/* ============================================================
   SafeBitGuide — Cyberpunk Elegant Premium Design System
   Navy + Electric Blue + Cyan — Maximum Intensity
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
  /* Core Colors — Intensified */
  --black:          #020818;
  --bg-0:           #030b18;
  --bg-1:           #050f20;
  --bg-2:           #071428;
  --bg-card:        #0a1930;
  --bg-card-2:      #0c1f38;
  --bg-glass:       rgba(5, 15, 32, 0.7);
  --bg-glass-2:     rgba(10, 25, 48, 0.6);

  /* Neon Palette */
  --blue-deep:      #0033aa;
  --blue-electric:  #0055ff;
  --blue-bright:    #0088ff;
  --blue-light:     #33aaff;
  --cyan-deep:      #00aacc;
  --cyan:           #00ddff;
  --cyan-bright:    #00ffff;
  --cyan-glow:      rgba(0, 221, 255, 0.6);
  --blue-glow:      rgba(0, 85, 255, 0.5);
  --purple:         #6622cc;
  --purple-light:   #9944ff;

  /* Text */
  --text-primary:   #e8f4ff;
  --text-secondary: #7aa8cc;
  --text-muted:     #3a6080;
  --text-heading:   #ffffff;
  --text-accent:    #00ddff;
  --text-glow:      #33ccff;

  /* Neon Borders */
  --border-0:       rgba(0, 170, 255, 0.06);
  --border-1:       rgba(0, 170, 255, 0.12);
  --border-2:       rgba(0, 170, 255, 0.25);
  --border-neon:    rgba(0, 221, 255, 0.5);
  --border-hot:     rgba(0, 255, 255, 0.8);

  /* Glows */
  --glow-blue:      0 0 20px rgba(0,85,255,0.4),
                    0 0 60px rgba(0,85,255,0.15);
  --glow-cyan:      0 0 20px rgba(0,221,255,0.5),
                    0 0 60px rgba(0,221,255,0.2);
  --glow-card:      0 0 40px rgba(0,85,255,0.12),
                    0 8px 32px rgba(0,0,0,0.6);
  --glow-hover:     0 0 30px rgba(0,221,255,0.3),
                    0 0 80px rgba(0,85,255,0.2),
                    0 16px 48px rgba(0,0,0,0.7);
  --glow-text:      0 0 10px rgba(0,221,255,0.8),
                    0 0 30px rgba(0,170,255,0.4);

  /* Gradients */
  --grad-hero:      radial-gradient(ellipse 120% 80% at 60% 20%,
                      rgba(0,85,255,0.15) 0%,
                      rgba(0,0,0,0) 60%),
                    radial-gradient(ellipse 80% 60% at 10% 80%,
                      rgba(0,221,255,0.08) 0%,
                      transparent 50%),
                    linear-gradient(180deg, #020818 0%, #030d20 100%);

  --grad-blue:      linear-gradient(135deg, #0055ff 0%, #00ddff 100%);
  --grad-blue-v:    linear-gradient(180deg, #0055ff 0%, #00aacc 100%);
  --grad-neon:      linear-gradient(135deg, #0033aa, #0088ff, #00ddff);
  --grad-card:      linear-gradient(135deg,
                      rgba(0,85,255,0.08) 0%,
                      rgba(0,221,255,0.03) 100%);
  --grad-glass:     linear-gradient(135deg,
                      rgba(255,255,255,0.06) 0%,
                      rgba(255,255,255,0.01) 100%);
  --grad-text:      linear-gradient(135deg, #0088ff, #00ddff, #00ffff);
  --grad-scan:      repeating-linear-gradient(
                      0deg,
                      transparent,
                      transparent 2px,
                      rgba(0,200,255,0.015) 2px,
                      rgba(0,200,255,0.015) 4px);

  /* Typography */
  --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Spacing */
  --space-1:  0.25rem;  --space-2: 0.5rem;   --space-3: 0.75rem;
  --space-4:  1rem;     --space-5: 1.25rem;  --space-6: 1.5rem;
  --space-8:  2rem;     --space-10:2.5rem;   --space-12:3rem;
  --space-16: 4rem;     --space-20:5rem;     --space-24:6rem;

  /* Layout */
  --container:      1280px;
  --header-h:       72px;
  --sidebar-w:      320px;
  --radius-sm:      6px;
  --radius:         14px;
  --radius-lg:      22px;
  --radius-xl:      32px;
  --radius-full:    9999px;

  /* Transitions */
  --t-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base:   280ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow:   450ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family:      var(--font-sans);
  background-color: var(--black);
  color:            var(--text-primary);
  line-height:      1.65;
  -webkit-font-smoothing:  antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x:       hidden;
  min-height:       100vh;
  /* Scanline overlay */
  background-image: var(--grad-scan);
}
img, svg, video { display: block; max-width: 100%; }
img    { height: auto; }
a      { color: var(--blue-light); text-decoration: none; transition: color var(--t-fast); }
a:hover{ color: var(--cyan-bright); }
button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; }
table  { border-collapse: collapse; width: 100%; }

/* Skip Link */
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--blue-electric); color: #fff;
  padding: 8px 16px; z-index: 99999;
  font-size: 0.875rem; font-weight: 600;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 0; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
p { line-height: 1.75; }

/* Glitch heading effect */
.glitch {
  position: relative;
}
.glitch::before,
.glitch::after {
  content:    attr(data-text);
  position:   absolute;
  inset:      0;
  background: transparent;
}
.glitch::before {
  color:     var(--cyan);
  animation: glitch-before 3s infinite;
  clip-path: polygon(0 30%, 100% 30%, 100% 50%, 0 50%);
}
.glitch::after {
  color:     var(--blue-electric);
  animation: glitch-after 3s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
}
@keyframes glitch-before {
  0%, 90%, 100% { transform: translate(0); opacity: 0; }
  91%            { transform: translate(-3px, 1px); opacity: 0.8; }
  93%            { transform: translate(3px, -1px); opacity: 0.6; }
  95%            { transform: translate(-2px, 2px); opacity: 0.8; }
}
@keyframes glitch-after {
  0%, 92%, 100% { transform: translate(0); opacity: 0; }
  93%            { transform: translate(3px, 1px); opacity: 0.7; }
  95%            { transform: translate(-3px, -1px); opacity: 0.5; }
  97%            { transform: translate(2px, 2px); opacity: 0.7; }
}

/* Gradient text */
.text-gradient {
  background:              var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip:         text;
}
.text-neon {
  color:       var(--cyan);
  text-shadow: var(--glow-text);
}
.text-mono {
  font-family: var(--font-mono);
  font-size:   0.9em;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width:     var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: 100px; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
  padding:         12px 28px;
  border-radius:   var(--radius-sm);
  font-size:       0.9rem;
  font-weight:     700;
  letter-spacing:  0.02em;
  text-transform:  uppercase;
  transition:      all var(--t-base);
  white-space:     nowrap;
  cursor:          pointer;
  position:        relative;
  overflow:        hidden;
  border:          1px solid transparent;
  text-decoration: none;
}

/* Shimmer effect on buttons */
.btn::before {
  content:    '';
  position:   absolute;
  top:        -50%;
  left:       -75%;
  width:      50%;
  height:     200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.15),
    transparent
  );
  transform:  skewX(-15deg);
  transition: left var(--t-slow);
}
.btn:hover::before { left: 125%; }

.btn--primary {
  background:   var(--grad-blue);
  color:        #fff;
  border-color: rgba(0,221,255,0.3);
  box-shadow:   var(--glow-blue), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn--primary:hover {
  transform:    translateY(-3px);
  box-shadow:   var(--glow-cyan), 0 20px 40px rgba(0,0,0,0.5);
  color:        #fff;
  border-color: var(--cyan);
}

.btn--outline {
  background:   transparent;
  color:        var(--cyan);
  border-color: var(--border-2);
}
.btn--outline:hover {
  background:   rgba(0,221,255,0.08);
  border-color: var(--border-neon);
  box-shadow:   var(--glow-cyan);
  color:        var(--cyan-bright);
  transform:    translateY(-2px);
}

.btn--ghost {
  color: var(--text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  color:      var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.btn--lg   { padding: 16px 36px; font-size: 1rem; border-radius: var(--radius); }
.btn--sm   { padding: 8px 16px; font-size: 0.78rem; }
.btn--full { width: 100%; }

.btn-icon {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  width:  38px; height: 38px;
  border-radius:   50%;
  color:           var(--text-secondary);
  transition:      all var(--t-fast);
  background:      transparent;
}
.btn-icon:hover {
  background: rgba(0,221,255,0.08);
  color:      var(--cyan);
  box-shadow: var(--glow-cyan);
}

/* ── Post Tags ──────────────────────────────────────────────── */
.post-tag {
  display:         inline-flex;
  align-items:     center;
  padding:         4px 14px;
  border-radius:   var(--radius-full);
  font-size:       0.7rem;
  font-weight:     700;
  letter-spacing:  0.1em;
  text-transform:  uppercase;
  transition:      all var(--t-fast);
  text-decoration: none;
}
.post-tag--category {
  background:   rgba(0,136,255,0.12);
  color:        var(--blue-light);
  border:       1px solid rgba(0,136,255,0.25);
}
.post-tag--category:hover {
  background:  rgba(0,221,255,0.15);
  color:       var(--cyan);
  border-color:var(--border-neon);
  box-shadow:  var(--glow-cyan);
}
.post-tag--outline {
  background:   transparent;
  color:        var(--text-muted);
  border:       1px solid rgba(0,170,255,0.15);
}
.post-tag--outline:hover {
  color:        var(--cyan);
  border-color: var(--border-2);
}
.post-tag--lg { padding: 6px 18px; font-size: 0.8rem; }
.post-tag--sm { padding: 2px 8px; font-size: 0.65rem; }

/* ── Post Meta ──────────────────────────────────────────────── */
.post-meta {
  display:     flex;
  align-items: center;
  flex-wrap:   wrap;
  gap:         8px;
  font-size:   0.82rem;
  color:       var(--text-muted);
  font-family: var(--font-mono);
}
.post-meta__sep   { opacity: 0.3; }
.post-meta--sm    { font-size: 0.75rem; }

/* ── Glass Card Base ─────────────────────────────────────────── */
.glass-card {
  background:  var(--bg-glass);
  border:      1px solid var(--border-1);
  border-radius: var(--radius);
  position:    relative;
  overflow:    hidden;
}
.glass-card::before {
  content:       '';
  position:      absolute;
  inset:         0;
  background:    var(--grad-glass);
  border-radius: inherit;
  pointer-events:none;
}

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position:         sticky;
  top:              0;
  z-index:          1000;
  height:           var(--header-h);
  background:       rgba(2, 8, 24, 0.8);
  backdrop-filter:  blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom:    1px solid var(--border-0);
  transition:       all var(--t-base);
}
.site-header.scrolled {
  background:    rgba(2, 8, 24, 0.96);
  border-bottom: 1px solid var(--border-1);
  box-shadow:    0 4px 32px rgba(0,0,0,0.6),
                 0 1px 0 rgba(0,221,255,0.06);
}

.site-header__inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  height:          100%;
  gap:             32px;
}

/* Logo */
.site-header__logo {
  display:     flex;
  align-items: center;
  gap:         10px;
  flex-shrink: 0;
}
.site-header__logo-text {
  display:     flex;
  align-items: center;
  gap:         8px;
  font-size:   1.3rem;
  font-weight: 900;
  color:       var(--text-heading);
  letter-spacing: -0.03em;
  transition:  all var(--t-fast);
}
.site-header__logo-text:hover {
  color:       var(--cyan);
  text-shadow: var(--glow-text);
}
.site-header__logo-img { height: 36px; width: auto; }
.logo-icon { font-size: 1.4em; filter: drop-shadow(0 0 8px var(--cyan-glow)); }

/* Nav */
.site-nav { flex: 1; display: flex; justify-content: center; }
.site-nav__list {
  display:     flex;
  align-items: center;
  gap:         4px;
}
.site-nav__link {
  padding:       8px 14px;
  border-radius: var(--radius-sm);
  color:         var(--text-secondary);
  font-size:     0.875rem;
  font-weight:   500;
  letter-spacing: 0.02em;
  transition:    all var(--t-fast);
  background:    none;
  border:        none;
  cursor:        pointer;
  position:      relative;
}
.site-nav__link::after {
  content:    '';
  position:   absolute;
  bottom:     4px;
  left:       14px;
  right:      14px;
  height:     1px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform:  scaleX(0);
  transition: transform var(--t-fast);
}
.site-nav__link:hover {
  color: var(--cyan);
}
.site-nav__link:hover::after { transform: scaleX(1); }

/* Dropdown */
.site-nav__item--dropdown { position: relative; }
.site-nav__dropdown {
  position:       absolute;
  top:            calc(100% + 8px);
  left:           50%;
  transform:      translateX(-50%);
  min-width:      280px;
  background:     rgba(5, 15, 32, 0.95);
  border:         1px solid var(--border-2);
  border-radius:  var(--radius);
  box-shadow:     var(--glow-card), 0 0 0 1px rgba(0,221,255,0.05);
  padding:        8px;
  opacity:        0;
  visibility:     hidden;
  backdrop-filter: blur(20px);
  transition:     all var(--t-base);
}
.site-nav__item--dropdown:hover .site-nav__dropdown,
.site-nav__item--dropdown:focus-within .site-nav__dropdown {
  opacity: 1; visibility: visible;
}
.site-nav__dropdown-link {
  display:       block;
  padding:       10px 14px;
  border-radius: var(--radius-sm);
  color:         var(--text-secondary);
  font-size:     0.875rem;
  transition:    all var(--t-fast);
  border-left:   2px solid transparent;
}
.site-nav__dropdown-link:hover {
  background:   rgba(0,221,255,0.06);
  color:        var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 18px;
}
.site-nav__dropdown-divider { border-top: 1px solid var(--border-0); margin: 6px 0; padding-top: 6px; }
.site-nav__dropdown-link--all { color: var(--cyan); font-weight: 700; }

.site-header__actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Hamburger */
.hamburger { display: flex; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-secondary); border-radius: 2px;
  transition: all var(--t-base);
  box-shadow: 0 0 4px rgba(0,221,255,0.3);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); background: var(--cyan); }
.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); background: var(--cyan); }

/* Header Search */
.header-search {
  background:    rgba(2,8,24,0.97);
  border-bottom: 1px solid var(--border-1);
  overflow:      hidden;
  max-height:    0;
  transition:    max-height var(--t-base), padding var(--t-base);
}
.header-search.is-open { max-height: 80px; padding: 12px 0; }
.header-search__form {
  display:     flex;
  align-items: center;
  gap:         12px;
}
.header-search__input {
  flex:          1;
  background:    rgba(0,221,255,0.04);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color:         var(--text-primary);
  padding:       12px 16px;
  font-size:     1rem;
  outline:       none;
  font-family:   var(--font-mono);
  transition:    all var(--t-fast);
}
.header-search__input:focus {
  border-color: var(--cyan);
  box-shadow:   0 0 0 3px rgba(0,221,255,0.1), var(--glow-cyan);
}
.header-search__input::placeholder { color: var(--text-muted); }
.header-search__btn, .header-search__close {
  background:    rgba(0,221,255,0.08);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color:         var(--text-secondary);
  padding:       12px;
  cursor:        pointer;
  transition:    all var(--t-fast);
  display:       flex;
  align-items:   center;
}
.header-search__btn:hover, .header-search__close:hover {
  background:   rgba(0,221,255,0.15);
  color:        var(--cyan);
  border-color: var(--border-2);
}

/* Mobile Menu */
.mobile-menu { position: fixed; inset: 0; z-index: 999; pointer-events: none; visibility: hidden; }
.mobile-menu.is-open { pointer-events: all; visibility: visible; }
.mobile-menu__inner {
  position:   absolute;
  top: 0; right: 0;
  width:      min(340px, 90vw);
  height:     100%;
  background: rgba(3,11,24,0.97);
  border-left: 1px solid var(--border-2);
  padding:    24px;
  overflow-y: auto;
  transform:  translateX(100%);
  transition: transform var(--t-slow);
  z-index:    2;
  backdrop-filter: blur(20px);
  box-shadow: -20px 0 60px rgba(0,0,0,0.8);
}
.mobile-menu.is-open .mobile-menu__inner { transform: translateX(0); }
.mobile-menu__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  opacity: 0; transition: opacity var(--t-slow); z-index: 1;
}
.mobile-menu.is-open .mobile-menu__overlay { opacity: 1; }
.mobile-menu__close { position: absolute; top: 16px; right: 16px; font-size: 1.2rem; color: var(--text-muted); }
.mobile-menu__list { margin-top: 60px; }
.mobile-menu__link {
  display: block; padding: 12px;
  color: var(--text-secondary); font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
  border-left: 2px solid transparent;
}
.mobile-menu__link:hover {
  color: var(--cyan); background: rgba(0,221,255,0.06);
  border-left-color: var(--cyan);
  padding-left: 16px;
}
.mobile-menu__section-label {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-muted); padding: 16px 12px 8px;
  font-family: var(--font-mono);
}
.mobile-menu__divider { border-top: 1px solid var(--border-0); margin: 12px 0; }
.mobile-menu__link--topic { font-size: 0.875rem; }

/* ── HERO SECTION ────────────────────────────────────────────── */
.hero {
  position:    relative;
  min-height:  calc(100vh - var(--header-h));
  display:     flex;
  align-items: center;
  overflow:    hidden;
  background:  var(--grad-hero);
}

/* Matrix canvas */
.hero__matrix {
  position:   absolute;
  inset:      0;
  z-index:    0;
  opacity:    0.18;
}

/* Blob backgrounds */
.hero__blobs {
  position:       absolute;
  inset:          0;
  z-index:        1;
  pointer-events: none;
  overflow:       hidden;
}
.blob {
  position:   absolute;
  border-radius: 50%;
  filter:     blur(80px);
  animation:  blob-morph 8s ease-in-out infinite alternate;
}
.blob--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,85,255,0.18) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.blob--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,221,255,0.12) 0%, transparent 70%);
  bottom: -100px; left: 10%;
  animation-delay: -3s;
}
.blob--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(102,34,204,0.1) 0%, transparent 70%);
  top: 30%; left: 40%;
  animation-delay: -5s;
}
@keyframes blob-morph {
  0%   { transform: scale(1)    translate(0, 0)      rotate(0deg); border-radius: 50%; }
  33%  { transform: scale(1.1)  translate(30px,-20px) rotate(60deg); border-radius: 40% 60% 55% 45%; }
  66%  { transform: scale(0.95) translate(-20px,30px) rotate(120deg); border-radius: 55% 45% 40% 60%; }
  100% { transform: scale(1.05) translate(10px,-10px) rotate(180deg); border-radius: 45% 55% 60% 40%; }
}

/* Particle canvas */
.hero__particles {
  position:       absolute;
  inset:          0;
  z-index:        2;
  pointer-events: none;
}

/* Cyber grid */
.hero__grid {
  position:   absolute;
  inset:      0;
  z-index:    1;
  background-image:
    linear-gradient(rgba(0,136,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,136,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

/* Scan line moving */
.hero__scanline {
  position:   absolute;
  top:        0;
  left:       0;
  right:      0;
  height:     2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity:    0.4;
  z-index:    3;
  animation:  scanline 4s linear infinite;
}
@keyframes scanline {
  from { top: 0; opacity: 0; }
  10%  { opacity: 0.4; }
  90%  { opacity: 0.4; }
  to   { top: 100%; opacity: 0; }
}

.hero__inner {
  position:              relative;
  z-index:               4;
  display:               grid;
  grid-template-columns: 1fr auto;
  gap:                   60px;
  align-items:           center;
  padding-block:         80px;
}

/* Hero Content */
.hero__content { max-width: 640px; }

.hero__badge {
  display:        inline-flex;
  align-items:    center;
  gap:            8px;
  background:     rgba(0,221,255,0.06);
  border:         1px solid rgba(0,221,255,0.2);
  border-radius:  var(--radius-full);
  padding:        6px 16px;
  font-size:      0.72rem;
  font-weight:    700;
  color:          var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom:  24px;
  font-family:    var(--font-mono);
  box-shadow:     0 0 20px rgba(0,221,255,0.08);
}
.hero__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px var(--cyan-glow);
  animation: pulse-dot 1.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 6px var(--cyan); }
  50%       { transform: scale(1.4); box-shadow: 0 0 16px var(--cyan), 0 0 32px var(--cyan-glow); }
}

.hero__title {
  font-size:      clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight:    900;
  line-height:    1.05;
  letter-spacing: -0.04em;
  color:          var(--text-heading);
  margin-bottom:  24px;
}
.hero__title .line {
  display:           block;
  transform:         translateX(-40px);
  opacity:           0;
  animation:         slide-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.hero__title .line:nth-child(1) { animation-delay: 0.1s; }
.hero__title .line:nth-child(2) { animation-delay: 0.25s; }
.hero__title .line:nth-child(3) { animation-delay: 0.4s; }
@keyframes slide-in {
  to { transform: translateX(0); opacity: 1; }
}

.hero__title-accent {
  background:              var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip:         text;
  filter:                  drop-shadow(0 0 20px rgba(0,221,255,0.4));
}

.hero__subtitle {
  font-size:     1.15rem;
  color:         var(--text-secondary);
  line-height:   1.7;
  margin-bottom: 36px;
  max-width:     520px;
}

/* Typing cursor */
.hero__subtitle .cursor {
  display:           inline-block;
  width:             2px;
  height:            1.1em;
  background:        var(--cyan);
  margin-left:       2px;
  vertical-align:    text-bottom;
  box-shadow:        0 0 8px var(--cyan);
  animation:         blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Hero Search */
.hero__search { margin-bottom: 36px; }
.hero__search-wrapper {
  display:       flex;
  align-items:   center;
  background:    rgba(0,221,255,0.03);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-xl);
  padding:       6px 6px 6px 20px;
  gap:           12px;
  transition:    all var(--t-base);
  backdrop-filter: blur(10px);
}
.hero__search-wrapper:focus-within {
  border-color: var(--cyan);
  box-shadow:   0 0 0 3px rgba(0,221,255,0.08), var(--glow-cyan);
  background:   rgba(0,221,255,0.05);
}
.hero__search-icon { color: var(--text-muted); flex-shrink: 0; }
.hero__search-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text-primary); font-size: 1rem;
  font-family: var(--font-sans);
}
.hero__search-input::placeholder { color: var(--text-muted); }
.hero__search-btn {
  background:    var(--grad-blue);
  color:         #fff; border: none;
  border-radius: var(--radius-lg);
  padding:       12px 24px;
  font-size:     0.875rem;
  font-weight:   700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor:        pointer;
  transition:    all var(--t-base);
  box-shadow:    var(--glow-blue);
  white-space:   nowrap;
}
.hero__search-btn:hover {
  box-shadow: var(--glow-cyan);
  transform:  translateY(-2px);
}

/* Hero Stats */
.hero__stats {
  display:     flex;
  align-items: center;
  gap:         32px;
}
.hero__stat-number {
  display:     block;
  font-size:   1.75rem;
  font-weight: 900;
  color:       var(--text-heading);
  letter-spacing: -0.04em;
  font-family: var(--font-mono);
  background:  var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__stat-label { display: block; font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.05em; }
.hero__stat-divider { width: 1px; height: 44px; background: linear-gradient(to bottom, transparent, var(--border-2), transparent); }

/* ── 3D SHIELD ───────────────────────────────────────────────── */
.hero__visual { display: flex; align-items: center; justify-content: center; }

.shield-3d {
  position:  relative;
  width:     380px;
  height:    380px;
  display:   flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

.shield-3d__scene {
  width:        220px;
  height:       220px;
  transform-style: preserve-3d;
  animation:    shield-rotate 6s ease-in-out infinite;
}
@keyframes shield-rotate {
  0%   { transform: rotateY(-15deg) rotateX(8deg); }
  25%  { transform: rotateY(10deg)  rotateX(-5deg) translateY(-10px); }
  50%  { transform: rotateY(15deg)  rotateX(8deg); }
  75%  { transform: rotateY(-10deg) rotateX(-5deg) translateY(8px); }
  100% { transform: rotateY(-15deg) rotateX(8deg); }
}

.shield-3d__outer {
  width:   100%;
  height:  100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Dynamic glow ring */
.shield-3d__glow-ring {
  position:      absolute;
  inset:         -30px;
  border-radius: 50%;
  background:    conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(0,221,255,0.4) 60deg,
    rgba(0,85,255,0.6) 120deg,
    transparent 180deg,
    rgba(0,221,255,0.3) 240deg,
    transparent 360deg
  );
  animation:    ring-spin 3s linear infinite;
  mask-image:   radial-gradient(circle, transparent 60%, black 65%, black 85%, transparent 90%);
}
@keyframes ring-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.shield-3d__holo {
  position:   absolute;
  inset:      -50px;
  background: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    rgba(0,221,255,0.12) 0%,
    rgba(0,85,255,0.06) 40%,
    transparent 70%
  );
  animation:  holo-pulse 2s ease-in-out infinite alternate;
}
@keyframes holo-pulse {
  from { transform: scale(0.9); opacity: 0.5; }
  to   { transform: scale(1.1); opacity: 1; }
}

.shield-3d__icon {
  width:   200px;
  height:  200px;
  position: relative;
  z-index:  1;
  filter:  drop-shadow(0 0 20px rgba(0,136,255,0.8))
           drop-shadow(0 0 60px rgba(0,221,255,0.4));
}

/* Orbit nodes */
.shield-3d__orbit {
  position:   absolute;
  inset:      0;
  animation:  orbit-spin 10s linear infinite;
}
@keyframes orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.shield-3d__node {
  position:        absolute;
  width:           48px;
  height:          48px;
  background:      rgba(5,15,32,0.9);
  border:          1px solid var(--border-neon);
  border-radius:   var(--radius-sm);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       1.3rem;
  box-shadow:      var(--glow-cyan), inset 0 0 20px rgba(0,221,255,0.05);
  animation:       node-counter 10s linear infinite;
  backdrop-filter: blur(10px);
}
@keyframes node-counter { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }
.shield-3d__node--1 { top: 0;   left: 50%; transform: translateX(-50%); }
.shield-3d__node--2 { right: 0; top:  50%; transform: translateY(-50%); }
.shield-3d__node--3 { bottom: 0;left: 50%; transform: translateX(-50%); }
.shield-3d__node--4 { left: 0;  top:  50%; transform: translateY(-50%); }

/* Floating data lines */
.shield-3d__data-lines {
  position:       absolute;
  inset:          -40px;
  pointer-events: none;
}
.data-line {
  position:   absolute;
  height:     1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity:    0;
  animation:  data-stream 3s ease-in-out infinite;
}
.data-line:nth-child(1) { width: 80px; top: 30%; left: -20px; animation-delay: 0s; }
.data-line:nth-child(2) { width: 60px; top: 50%; right: -10px; animation-delay: 1s; }
.data-line:nth-child(3) { width: 100px; top: 70%; left: -30px; animation-delay: 2s; }
@keyframes data-stream {
  0%   { opacity: 0; transform: translateX(-10px); }
  30%  { opacity: 0.8; }
  70%  { opacity: 0.8; }
  100% { opacity: 0; transform: translateX(10px); }
}

/* ── SECTION HEADERS ────────────────────────────────────────── */
.section-header {
  text-align:    center;
  margin-bottom: 60px;
}
.section-header--split {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  text-align:      left;
  flex-wrap:       wrap;
  gap:             16px;
}

.section-eyebrow {
  display:        inline-flex;
  align-items:    center;
  gap:            8px;
  font-size:      0.72rem;
  font-weight:    700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          var(--cyan);
  font-family:    var(--font-mono);
  margin-bottom:  16px;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content:    '';
  display:    block;
  width:      24px;
  height:     1px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.section-title {
  font-size:   clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size:   1.05rem;
  color:       var(--text-secondary);
  max-width:   560px;
  margin-inline: auto;
}

/* ── CATEGORY CARDS ──────────────────────────────────────────── */
.categories-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap:                   20px;
}

.category-card {
  display:        flex;
  flex-direction: column;
  align-items:    flex-start;
  gap:            14px;
  padding:        28px;
  background:     var(--bg-card);
  border:         1px solid var(--border-1);
  border-radius:  var(--radius);
  text-decoration:none;
  color:          var(--text-primary);
  transition:     border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
  position:       relative;
  overflow:       hidden;
  will-change:    transform;
}
/* Neon top line */
.category-card::before {
  content:    '';
  position:   absolute;
  top:        0; left: 0; right: 0;
  height:     2px;
  background: var(--grad-blue);
  opacity:    0;
  transition: opacity var(--t-base);
  box-shadow: var(--glow-cyan);
}
/* Corner accent */
.category-card::after {
  content:    '';
  position:   absolute;
  bottom:     0; right: 0;
  width:      40px; height: 40px;
  background: conic-gradient(from 180deg at 100% 100%, var(--cyan), transparent 90deg);
  opacity:    0;
  transition: opacity var(--t-base);
}
.category-card:hover {
  background:   rgba(0,136,255,0.08);
  border-color: var(--border-2);
  box-shadow:   var(--glow-hover);
  color:        var(--text-primary);
}
.category-card:hover::before { opacity: 1; }
.category-card:hover::after  { opacity: 0.4; }

.category-card__icon {
  font-size:    2.2rem;
  filter:       drop-shadow(0 0 8px rgba(0,221,255,0.4));
  transition:   transform var(--t-spring);
}
.category-card:hover .category-card__icon { transform: scale(1.2) rotate(-5deg); }
.category-card__name { font-size: 0.95rem; font-weight: 700; }
.category-card__count { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }
.category-card__arrow {
  margin-top: auto; color: var(--blue-light); font-size: 1.2rem;
  transition: all var(--t-spring);
}
.category-card:hover .category-card__arrow {
  transform: translateX(6px);
  color:     var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
}

/* ── POST CARDS ─────────────────────────────────────────────── */
.posts-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap:                   24px;
  margin-bottom:         32px;
}
.posts-grid--home    { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.posts-grid--compact { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

.post-card {
  background:     var(--bg-card);
  border:         1px solid var(--border-1);
  border-radius:  var(--radius);
  overflow:       hidden;
  transition:     border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
  display:        flex;
  flex-direction: column;
  position:       relative;
  will-change:    transform;
}
.post-card::after {
  content:    '';
  position:   absolute;
  inset:      0;
  background: linear-gradient(135deg, rgba(0,136,255,0.04), transparent 50%);
  opacity:    0;
  transition: opacity var(--t-base);
  pointer-events: none;
}
.post-card:hover {
  border-color: var(--border-2);
  box-shadow:   var(--glow-hover);
}
.post-card:hover::after { opacity: 1; }

.post-card__image-link { display: block; aspect-ratio: 16/9; overflow: hidden; }
.post-card__image {
  width: 100%; height: 100%; overflow: hidden; position: relative;
}
/* Holographic overlay on image */
.post-card__image::after {
  content:    '';
  position:   absolute;
  inset:      0;
  background: linear-gradient(
    135deg,
    rgba(0,85,255,0.15) 0%,
    transparent 50%,
    rgba(0,221,255,0.08) 100%
  );
  opacity:    0;
  transition: opacity var(--t-base);
}
.post-card:hover .post-card__image::after { opacity: 1; }
.post-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--t-slow);
}
.post-card:hover .post-card__image img { transform: scale(1.08); }

.post-card__body {
  padding:        24px;
  flex:           1;
  display:        flex;
  flex-direction: column;
  gap:            12px;
}
.post-card__title { font-size: 1.05rem; font-weight: 700; line-height: 1.35; }
.post-card__title a { color: var(--text-heading); transition: color var(--t-fast); }
.post-card__title a:hover { color: var(--cyan); text-shadow: 0 0 20px rgba(0,221,255,0.3); }
.post-card__excerpt { font-size: 0.875rem; color: var(--text-secondary); flex: 1; }
.post-card__meta { margin-top: auto; }

/* ── FEATURED POST ──────────────────────────────────────────── */
.featured-post {
  display:       grid;
  grid-template-columns: 1fr 1fr;
  gap:           0;
  background:    var(--bg-glass);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow:      hidden;
  margin-bottom: 32px;
  position:      relative;
}
.featured-post::before {
  content:    '';
  position:   absolute;
  top: 0; left: 0; right: 0;
  height:     2px;
  background: var(--grad-neon);
  z-index:    1;
  box-shadow: var(--glow-cyan);
}
.featured-post__image {
  position: relative;
  overflow: hidden;
}
.featured-post__image img {
  width: 100%; height: 100%; min-height: 320px;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.featured-post:hover .featured-post__image img { transform: scale(1.04); }
.featured-post__overlay {
  position:   absolute; inset: 0;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(5,15,32,0.5) 70%,
    rgba(5,15,32,0.9) 100%
  );
}
.featured-post__content {
  padding:        48px;
  display:        flex;
  flex-direction: column;
  justify-content: center;
  gap:            20px;
}
.featured-post__title {
  font-size:   1.75rem;
  font-weight: 900;
  line-height: 1.2;
}
.featured-post__title a { color: var(--text-heading); transition: color var(--t-fast); }
.featured-post__title a:hover { color: var(--cyan); }
.featured-post__excerpt { font-size: 1rem; color: var(--text-secondary); }
.featured-post--blog .featured-post__image { min-height: 280px; }

/* ── CHECKLIST SECTION ──────────────────────────────────────── */
.checklist-wrapper {
  display:   grid;
  grid-template-columns: 1fr auto;
  gap:       60px;
  align-items: center;
  background: var(--bg-glass);
  border:    1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding:   64px;
  position:  relative;
  overflow:  hidden;
}
.checklist-wrapper::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    2px;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.checklist-wrapper::after {
  content:   '';
  position:  absolute;
  top: -200px; right: -200px;
  width:     500px; height: 500px;
  background: radial-gradient(circle, rgba(0,85,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.checklist-badge {
  display:        inline-flex;
  align-items:    center;
  gap:            6px;
  background:     rgba(0,221,255,0.06);
  color:          var(--cyan);
  border:         1px solid rgba(0,221,255,0.2);
  border-radius:  var(--radius-full);
  padding:        4px 14px;
  font-size:      0.7rem;
  font-weight:    700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom:  16px;
  font-family:    var(--font-mono);
}

.checklist { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.checklist__item {
  display:     flex;
  align-items: flex-start;
  gap:         16px;
  font-size:   0.95rem;
  color:       var(--text-secondary);
}
.checklist__check {
  flex-shrink:    0;
  width:          26px;
  height:         26px;
  border-radius:  var(--radius-sm);
  background:     rgba(0,221,255,0.08);
  border:         1px solid rgba(0,221,255,0.25);
  color:          var(--cyan);
  display:        flex;
  align-items:    center;
  justify-content: center;
  font-size:      0.7rem;
  font-weight:    900;
  font-family:    var(--font-mono);
  box-shadow:     0 0 10px rgba(0,221,255,0.1);
}

/* Security Score */
.security-score-card {
  background:    rgba(3,11,24,0.9);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding:       36px;
  text-align:    center;
  min-width:     240px;
  box-shadow:    var(--glow-card);
  position:      relative;
  overflow:      hidden;
}
.security-score-card::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    2px;
  background: var(--grad-blue);
}
.security-score-card__label {
  font-size:      0.7rem;
  font-weight:    700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          var(--text-muted);
  margin-bottom:  20px;
  font-family:    var(--font-mono);
}
.score-ring { width: 130px; height: 130px; transform: rotate(-90deg); }
.score-ring__bg { fill: none; stroke: rgba(0,136,255,0.1); stroke-width: 10; }
.score-ring__progress {
  fill:              none;
  stroke:            url(#ringGrad);
  stroke-width:      10;
  stroke-linecap:    round;
  stroke-dasharray:  314;
  stroke-dashoffset: 314;
  transition:        stroke-dashoffset 2s cubic-bezier(0.4,0,0.2,1);
  filter:            drop-shadow(0 0 6px rgba(0,221,255,0.8));
}
.security-score-card__ring {
  position:  relative;
  display:   inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.score-ring__number {
  position:    absolute;
  font-size:   1.6rem;
  font-weight: 900;
  color:       var(--text-heading);
  font-family: var(--font-mono);
  background:  var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.security-score-card__items { display: flex; flex-direction: column; gap: 8px; text-align: left; }
.score-item {
  display:       flex;
  align-items:   center;
  gap:           8px;
  font-size:     0.82rem;
  padding:       8px 12px;
  border-radius: var(--radius-sm);
  font-family:   var(--font-mono);
}
.score-item--done    { color: var(--cyan); background: rgba(0,221,255,0.06); border: 1px solid rgba(0,221,255,0.1); }
.score-item--pending { color: var(--text-muted); background: rgba(255,255,255,0.02); }

/* ── POPULAR POSTS ───────────────────────────────────────────── */
.popular-list { display: flex; flex-direction: column; gap: 2px; }
.popular-item {
  display:       grid;
  grid-template-columns: 56px 1fr auto;
  align-items:   center;
  gap:           20px;
  padding:       20px 24px;
  background:    var(--bg-glass);
  border:        1px solid var(--border-0);
  border-radius: var(--radius);
  transition:    all var(--t-base);
  backdrop-filter: blur(12px);
}
.popular-item:hover {
  border-color:  var(--border-2);
  background:    rgba(0,136,255,0.05);
  transform:     translateX(6px);
  box-shadow:    var(--glow-card);
}
.popular-item__number {
  font-size:      2.2rem;
  font-weight:    900;
  color:          rgba(0,136,255,0.15);
  letter-spacing: -0.05em;
  line-height:    1;
  font-family:    var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.popular-item:hover .popular-item__number { color: rgba(0,221,255,0.3); }
.popular-item__category {
  display:        block;
  font-size:      0.68rem;
  font-weight:    700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color:          var(--cyan);
  margin-bottom:  4px;
  font-family:    var(--font-mono);
}
.popular-item__title { font-size: 0.95rem; font-weight: 700; }
.popular-item__title a { color: var(--text-heading); transition: color var(--t-fast); }
.popular-item__title a:hover { color: var(--cyan); }
.popular-item__arrow {
  font-size: 1.3rem; color: var(--blue-light);
  transition: all var(--t-spring);
}
.popular-item:hover .popular-item__arrow {
  transform:   translateX(6px);
  color:       var(--cyan);
  text-shadow: 0 0 12px var(--cyan);
}

/* ── TRUST SECTION ──────────────────────────────────────────── */
.trust-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap:                   20px;
}
.trust-card {
  background:    var(--bg-glass);
  border:        1px solid var(--border-1);
  border-radius: var(--radius);
  padding:       36px;
  text-align:    center;
  transition:    all var(--t-base);
  backdrop-filter: blur(12px);
  position:      relative;
  overflow:      hidden;
}
.trust-card::before {
  content:    '';
  position:   absolute;
  bottom:     0; left: 20%; right: 20%;
  height:     1px;
  background: var(--grad-blue);
  opacity:    0;
  transition: opacity var(--t-base);
}
.trust-card:hover {
  border-color: var(--border-2);
  transform:    translateY(-6px);
  box-shadow:   var(--glow-hover);
}
.trust-card:hover::before { opacity: 1; }
.trust-card__icon { font-size: 2.8rem; margin-bottom: 16px; filter: drop-shadow(0 0 8px rgba(0,221,255,0.3)); }
.trust-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.trust-card__text  { font-size: 0.875rem; color: var(--text-secondary); }

/* ── NEWSLETTER ─────────────────────────────────────────────── */
.newsletter-box {
  background:    var(--bg-glass);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding:       80px;
  text-align:    center;
  position:      relative;
  overflow:      hidden;
  backdrop-filter: blur(20px);
}
.newsletter-box::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0,85,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.newsletter-box__icon  { font-size: 3.5rem; margin-bottom: 20px; }
.newsletter-box__title { font-size: 2rem; font-weight: 900; margin-bottom: 16px; }
.newsletter-box__subtitle { color: var(--text-secondary); margin-bottom: 36px; }
.newsletter-placeholder {
  background:    rgba(0,221,255,0.04);
  border:        1px solid var(--border-1);
  border-radius: var(--radius);
  padding:       36px;
  color:         var(--text-muted);
  font-family:   var(--font-mono);
  font-size:     0.875rem;
}

/* ── PAGE HEADERS ───────────────────────────────────────────── */
.page-header {
  background:    rgba(3,11,24,0.95);
  border-bottom: 1px solid var(--border-1);
  padding:       60px 0;
  position:      relative;
  overflow:      hidden;
}
.page-header::after {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    2px;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.page-header__title {
  font-size:   clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-top:  16px;
  margin-bottom: 12px;
}
.page-header__subtitle  { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; }
.page-header__meta      { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; font-family: var(--font-mono); }
.page-header__count     { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; font-family: var(--font-mono); }
.page-header__query     { color: var(--cyan); text-shadow: var(--glow-text); }

/* ── BLOG LAYOUT ────────────────────────────────────────────── */
.blog-layout {
  display:               grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap:                   48px;
  align-items:           start;
  padding-block:         60px;
}
.blog-main { min-width: 0; }
.blog-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }

/* Sidebar Widgets */
.sidebar-widget {
  background:    var(--bg-card);
  border:        1px solid var(--border-1);
  border-radius: var(--radius);
  padding:       24px;
  margin-bottom: 20px;
  /* backdrop-filter eliminado */
}
.sidebar-widget--tip {
  background: rgba(0,221,255,0.03);
  border-color: rgba(0,221,255,0.15);
}
.sidebar-widget__title {
  font-size:      0.7rem;
  font-weight:    700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          var(--text-muted);
  margin-bottom:  16px;
  font-family:    var(--font-mono);
}

.sidebar-search { display: flex; gap: 8px; }
.sidebar-search__input {
  flex:          1;
  background:    rgba(0,221,255,0.04);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color:         var(--text-primary);
  padding:       10px 14px;
  font-size:     0.875rem;
  outline:       none;
  transition:    all var(--t-fast);
  min-width:     0;
  font-family:   var(--font-mono);
}
.sidebar-search__input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,221,255,0.08); }
.sidebar-search__input::placeholder { color: var(--text-muted); }
.sidebar-search__btn {
  background:    rgba(0,221,255,0.08);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color:         var(--cyan);
  padding:       10px 12px;
  cursor:        pointer;
  display:       flex;
  align-items:   center;
  transition:    all var(--t-fast);
}
.sidebar-search__btn:hover { background: rgba(0,221,255,0.16); box-shadow: var(--glow-cyan); }

.sidebar-categories { display: flex; flex-direction: column; gap: 2px; }
.sidebar-categories__item { display: flex; justify-content: space-between; align-items: center; }
.sidebar-categories__link {
  flex: 1; padding: 8px 12px; border-radius: var(--radius-sm);
  font-size: 0.875rem; color: var(--text-secondary);
  transition: all var(--t-fast);
  border-left: 2px solid transparent;
}
.sidebar-categories__link:hover {
  color:             var(--cyan);
  background:        rgba(0,221,255,0.05);
  border-left-color: var(--cyan);
  padding-left:      16px;
}
.sidebar-categories__link--active { color: var(--cyan); font-weight: 600; border-left-color: var(--cyan); }
.sidebar-categories__count { font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-mono); }

.sidebar-tip__icon  { font-size: 1.5rem; margin-bottom: 10px; }
.sidebar-tip__title { font-size: 0.875rem; font-weight: 700; margin-bottom: 8px; color: var(--cyan); }
.sidebar-tip__text  { font-size: 0.82rem; color: var(--text-secondary); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

/* ── SINGLE POST LAYOUT ─────────────────────────────────────── */
.post-layout {
  display:               grid;
  grid-template-columns: 1fr 280px;
  gap:                   48px;
  align-items:           start;
  padding-block:         48px;
}
.post-article { min-width: 0; }
.post-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }

.post-header { margin-bottom: 40px; }
.post-header__title {
  font-size:   clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 16px 0;
}
.post-header__excerpt {
  font-size:   1.15rem;
  color:       var(--text-secondary);
  line-height: 1.7;
  margin-top:  16px;
  border-left: 3px solid var(--cyan);
  padding-left: 20px;
  box-shadow:  inset 3px 0 0 var(--cyan);
  filter:      drop-shadow(-3px 0 8px rgba(0,221,255,0.2));
}
.post-header__meta {
  display:     flex;
  align-items: center;
  flex-wrap:   wrap;
  gap:         24px;
  margin-top:  24px;
  padding-top: 24px;
  border-top:  1px solid var(--border-0);
}
.post-header__meta-details {
  display:     flex;
  align-items: center;
  flex-wrap:   wrap;
  gap:         8px;
  font-size:   0.82rem;
  color:       var(--text-muted);
  font-family: var(--font-mono);
}
.post-author-mini { display: flex; align-items: center; gap: 12px; }
.post-author-mini__avatar {
  width:           38px; height: 38px;
  border-radius:   var(--radius-sm);
  background:      var(--grad-blue);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-weight:     700;
  font-size:       0.875rem;
  color:           #fff;
  overflow:        hidden;
  border:          1px solid var(--border-2);
  box-shadow:      var(--glow-blue);
  flex-shrink:     0;
}
.post-author-mini__avatar img { width: 100%; height: 100%; object-fit: cover; }
.post-author-mini__name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }

.post-featured-image {
  border-radius: var(--radius-lg);
  overflow:      hidden;
  margin-bottom: 40px;
  aspect-ratio:  16/9;
  border:        1px solid var(--border-1);
  box-shadow:    var(--glow-card);
}
.post-featured-image__img { width: 100%; height: 100%; object-fit: cover; }

/* TOC */
.toc {
  background:    rgba(0,221,255,0.03);
  border:        1px solid rgba(0,221,255,0.15);
  border-left:   3px solid var(--cyan);
  border-radius: var(--radius);
  padding:       20px;
  margin:        36px 0;
  box-shadow:    inset 3px 0 0 var(--cyan), -3px 0 16px rgba(0,221,255,0.1);
}
.toc__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.toc__title  {
  font-size:      0.7rem;
  font-weight:    700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          var(--cyan);
  font-family:    var(--font-mono);
}
.toc__toggle { color: var(--text-muted); }
.toc__list   { display: flex; flex-direction: column; gap: 4px; }
.toc__item--h3 { padding-left: 20px; }
.toc__link {
  display:       flex;
  align-items:   baseline;
  gap:           8px;
  padding:       6px 10px;
  border-radius: var(--radius-sm);
  font-size:     0.875rem;
  color:         var(--text-secondary);
  transition:    all var(--t-fast);
  font-family:   var(--font-mono);
}
.toc__link:hover { color: var(--cyan); background: rgba(0,221,255,0.06); }
.toc__link.is-active { color: var(--cyan); font-weight: 600; background: rgba(0,221,255,0.06); }
.toc__num          { color: var(--text-muted); font-size: 0.72rem; min-width: 20px; }
.toc__sub-indicator{ color: var(--text-muted); font-size: 0.72rem; }

.sidebar-toc__list { display: flex; flex-direction: column; gap: 2px; }
.sidebar-toc__link {
  display:       block;
  padding:       8px 12px;
  border-radius: var(--radius-sm);
  font-size:     0.82rem;
  color:         var(--text-secondary);
  transition:    all var(--t-fast);
  border-left:   2px solid transparent;
  font-family:   var(--font-mono);
}
.sidebar-toc__link:hover { color: var(--cyan); border-left-color: var(--cyan); background: rgba(0,221,255,0.05); }
.sidebar-toc__link.is-active { color: var(--cyan); font-weight: 600; border-left-color: var(--cyan); background: rgba(0,221,255,0.06); }

/* Post Content */
.post-content { font-size: 1.08rem; line-height: 1.8; color: var(--text-secondary); }
.post-content h2 {
  font-size:   1.7rem; font-weight: 800;
  color:       var(--text-heading);
  margin:      48px 0 20px;
  padding-top: 40px;
  border-top:  1px solid var(--border-0);
  background:  var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.post-content h2:first-child { border-top: none; padding-top: 0; margin-top: 16px; }
.post-content h3 {
  font-size:   1.3rem; font-weight: 700;
  color:       var(--text-heading);
  margin:      36px 0 14px;
}
.post-content p          { margin-bottom: 20px; }
.post-content ul,
.post-content ol         { margin: 16px 0 24px; padding-left: 24px; }
.post-content ul         { list-style: none; padding-left: 0; }
.post-content ul li      { padding-left: 24px; position: relative; margin-bottom: 8px; }
.post-content ul li::before {
  content:    '›';
  position:   absolute;
  left:       0;
  color:      var(--cyan);
  font-weight:900;
  text-shadow: 0 0 8px var(--cyan);
}
.post-content ol         { list-style: decimal; }
.post-content ol li      { margin-bottom: 8px; }
.post-content li::marker { color: var(--cyan); }
.post-content strong     { color: var(--text-primary); font-weight: 700; }
.post-content a          { color: var(--blue-light); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover    { color: var(--cyan); text-shadow: 0 0 12px rgba(0,221,255,0.4); }

.post-content table {
  width:         100%;
  border-collapse: collapse;
  margin:        24px 0;
  font-size:     0.875rem;
  border-radius: var(--radius);
  overflow:      hidden;
  border:        1px solid var(--border-1);
}
.post-content th {
  background:  rgba(0,136,255,0.1);
  color:       var(--cyan);
  font-weight: 700;
  padding:     12px 16px;
  text-align:  left;
  font-family: var(--font-mono);
  font-size:   0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-1);
}
.post-content td {
  padding:      12px 16px;
  border-bottom: 1px solid var(--border-0);
  color:        var(--text-secondary);
}
.post-content tr:last-child td { border-bottom: none; }
.post-content tr:nth-child(even) td { background: rgba(0,136,255,0.03); }

/* Post Tags */
.post-tags {
  display:     flex;
  align-items: center;
  flex-wrap:   wrap;
  gap:         8px;
  margin:      36px 0;
  padding:     20px 0;
  border-top:  1px solid var(--border-0);
  border-bottom: 1px solid var(--border-0);
}
.post-tags__label { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); font-family: var(--font-mono); }

/* Social Share */
.post-share { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 36px 0; }
.post-share__label { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.post-share__buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.share-btn {
  display:       inline-flex;
  align-items:   center;
  gap:           8px;
  padding:       8px 16px;
  border-radius: var(--radius-sm);
  font-size:     0.8rem;
  font-weight:   600;
  cursor:        pointer;
  transition:    all var(--t-fast);
  text-decoration: none;
  border:        1px solid transparent;
  font-family:   var(--font-mono);
}
.share-btn--twitter  { background: rgba(29,161,242,0.08);  color: #1da1f2; border-color: rgba(29,161,242,0.2); }
.share-btn--facebook { background: rgba(66,103,178,0.08);  color: #4267b2; border-color: rgba(66,103,178,0.2); }
.share-btn--linkedin { background: rgba(0,119,181,0.08);   color: #0077b5; border-color: rgba(0,119,181,0.2); }
.share-btn--copy     { background: rgba(0,221,255,0.06);   color: var(--cyan); border-color: rgba(0,221,255,0.2); }
.share-btn:hover     { transform: translateY(-3px); box-shadow: 0 4px 16px rgba(0,0,0,0.3); }

/* Author Box */
.author-box {
  display:       flex;
  gap:           24px;
  background:    var(--bg-glass);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding:       36px;
  margin-top:    48px;
  position:      relative;
  overflow:      hidden;
  backdrop-filter: blur(12px);
}
.author-box::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    2px;
  background: var(--grad-blue);
}
.author-box__avatar { flex-shrink: 0; }
.author-box__avatar-placeholder {
  width:           80px; height: 80px;
  border-radius:   var(--radius);
  background:      var(--grad-blue);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       2rem;
  font-weight:     700;
  color:           #fff;
  box-shadow:      var(--glow-blue);
  border:          1px solid var(--border-2);
}
.author-box__avatar img { width: 80px; height: 80px; border-radius: var(--radius); object-fit: cover; }
.author-box__label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-muted); font-weight: 700; font-family: var(--font-mono); margin-bottom: 4px; }
.author-box__name  { font-size: 1.2rem; font-weight: 800; margin-bottom: 12px; }
.author-box__bio   { font-size: 0.875rem; color: var(--text-secondary); }

/* Related Posts */
.section--related { background: rgba(3,11,24,0.6); padding-block: 80px; }
.related-posts__title { font-size: 1.5rem; font-weight: 900; margin-bottom: 36px; }
.related-posts__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.related-post-card {
  background:    var(--bg-glass);
  border:        1px solid var(--border-1);
  border-radius: var(--radius);
  overflow:      hidden;
  transition:    all var(--t-base);
  backdrop-filter: blur(12px);
}
.related-post-card:hover { transform: translateY(-6px); box-shadow: var(--glow-hover); border-color: var(--border-2); }
.related-post-card__image { aspect-ratio: 16/9; overflow: hidden; }
.related-post-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.related-post-card:hover .related-post-card__image img { transform: scale(1.06); }
.related-post-card__body { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.related-post-card__title { font-size: 0.95rem; font-weight: 700; }
.related-post-card__title a { color: var(--text-heading); }
.related-post-card__title a:hover { color: var(--cyan); }

/* ── BREADCRUMBS ────────────────────────────────────────────── */
.breadcrumbs { margin-bottom: 16px; }
.breadcrumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 0.8rem; font-family: var(--font-mono); }
.breadcrumbs__link { color: var(--text-muted); transition: color var(--t-fast); }
.breadcrumbs__link:hover { color: var(--cyan); }
.breadcrumbs__current { color: var(--text-secondary); }
.breadcrumbs__sep { color: var(--text-muted); opacity: 0.3; }

/* ── PAGINATION ─────────────────────────────────────────────── */
.pagination { margin-top: 40px; }
.pagination__list { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; }
.pagination__link {
  display:         flex;
  align-items:     center;
  justify-content: center;
  min-width:       42px; height: 42px;
  padding:         0 14px;
  border-radius:   var(--radius-sm);
  font-size:       0.875rem;
  font-weight:     700;
  color:           var(--text-secondary);
  background:      var(--bg-glass);
  border:          1px solid var(--border-1);
  transition:      all var(--t-fast);
  text-decoration: none;
  font-family:     var(--font-mono);
  backdrop-filter: blur(12px);
}
.pagination__link:hover {
  color:        var(--cyan);
  border-color: var(--border-2);
  background:   rgba(0,221,255,0.06);
  box-shadow:   0 0 12px rgba(0,221,255,0.15);
}
.pagination__link--active {
  background:  var(--grad-blue);
  color:       #fff;
  border-color:transparent;
  box-shadow:  var(--glow-blue);
}
.pagination__link--active:hover { color: #fff; opacity: 0.9; }
.pagination__ellipsis { color: var(--text-muted); padding: 0 8px; font-family: var(--font-mono); }

/* ── AD SLOTS ───────────────────────────────────────────────── */
.ad-slot { margin: 36px 0; min-height: 90px; display: flex; align-items: center; justify-content: center; }
.ad-slot__placeholder {
  width:         100%;
  min-height:    90px;
  background:    rgba(0,221,255,0.02);
  border:        1px dashed rgba(0,221,255,0.08);
  border-radius: var(--radius);
  display:       flex;
  flex-direction:column;
  align-items:   center;
  justify-content: center;
  gap:           8px;
}
.ad-slot__label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(0,221,255,0.12); font-family: var(--font-mono); }

/* ── STATIC PAGES ───────────────────────────────────────────── */
.static-page-layout { max-width: 860px; margin-inline: auto; }
.static-content      { font-size: 1rem; line-height: 1.75; }
.static-content h2   { font-size: 1.5rem; font-weight: 800; margin: 48px 0 20px; color: var(--text-heading); }
.static-content h3   { font-size: 1.2rem; font-weight: 700; margin: 32px 0 14px; color: var(--text-heading); }
.static-content p    { margin-bottom: 16px; color: var(--text-secondary); }
.static-content ul,
.static-content ol   { margin: 16px 0; padding-left: 24px; color: var(--text-secondary); }
.static-content ul   { list-style: disc; }
.static-content ol   { list-style: decimal; }
.static-content li   { margin-bottom: 8px; }
.static-content li::marker { color: var(--cyan); }
.legal-content {
  background:    var(--bg-glass);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding:       48px;
  backdrop-filter: blur(12px);
}

/* ── ABOUT PAGE ─────────────────────────────────────────────── */
.about-hero-block {
  text-align:    center;
  padding:       48px;
  background:    var(--bg-glass);
  border:        1px solid var(--border-2);
  border-radius: var(--radius-lg);
  margin-bottom: 48px;
  position:      relative;
  overflow:      hidden;
  backdrop-filter: blur(12px);
}
.about-hero-block::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    2px;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.about-hero-block__icon { font-size: 4rem; margin-bottom: 20px; filter: drop-shadow(0 0 20px rgba(0,221,255,0.5)); }
.about-lead { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin-inline: auto; }
.about-topics-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(180px,1fr));
  gap:                   12px;
  margin:                24px 0;
}
.about-topic {
  background:    var(--bg-glass);
  border:        1px solid var(--border-1);
  border-radius: var(--radius);
  padding:       16px;
  font-size:     0.875rem;
  font-weight:   600;
  backdrop-filter: blur(12px);
  transition:    all var(--t-fast);
}
.about-topic:hover { border-color: var(--border-2); color: var(--cyan); }
.about-disclaimer-box {
  background:    rgba(239,68,68,0.04);
  border:        1px solid rgba(239,68,68,0.15);
  border-radius: var(--radius);
  padding:       24px;
  margin:        24px 0;
}

/* ── CONTACT ────────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; }
.form-errors {
  background:    rgba(239,68,68,0.06);
  border:        1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding:       16px 20px;
  margin-bottom: 20px;
  font-size:     0.875rem;
  color:         #fca5a5;
}
.form-errors ul { padding-left: 16px; list-style: disc; margin-top: 8px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.required    { color: var(--cyan); margin-left: 3px; }
.form-input {
  width:         100%;
  background:    rgba(0,221,255,0.03);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color:         var(--text-primary);
  padding:       12px 16px;
  font-size:     0.95rem;
  outline:       none;
  transition:    all var(--t-fast);
  font-family:   var(--font-sans);
}
.form-input:focus {
  border-color: var(--cyan);
  box-shadow:   0 0 0 3px rgba(0,221,255,0.08), var(--glow-cyan);
  background:   rgba(0,221,255,0.05);
}
.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-select   { appearance: none; cursor: pointer; }
.form-row--two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-honeypot { position: absolute; opacity: 0; pointer-events: none; height: 0; overflow: hidden; }

.contact-success { text-align: center; padding: 80px; }
.contact-success__icon  { font-size: 4rem; margin-bottom: 20px; filter: drop-shadow(0 0 20px rgba(0,221,255,0.5)); }
.contact-success__title { font-size: 1.8rem; font-weight: 900; margin-bottom: 16px; }
.contact-info-card { background: var(--bg-glass); border: 1px solid var(--border-1); border-radius: var(--radius-lg); padding: 36px; backdrop-filter: blur(12px); }
.contact-info-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 24px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px; font-size: 0.875rem; color: var(--text-secondary); }
.contact-info-item__icon { font-size: 1.4rem; flex-shrink: 0; }
.contact-info-divider { border: none; border-top: 1px solid var(--border-0); margin: 16px 0; }
.contact-note { font-size: 0.82rem; color: var(--text-muted); }
.contact-note p { margin-top: 8px; }

/* ── SEARCH PAGE ────────────────────────────────────────────── */
.search-page-form { margin-top: 24px; }
.search-page-form__inner { display: flex; gap: 12px; max-width: 640px; }
.search-page-form__input {
  flex:          1;
  background:    rgba(0,221,255,0.04);
  border:        1px solid var(--border-1);
  border-radius: var(--radius-sm);
  color:         var(--text-primary);
  padding:       14px 18px;
  font-size:     1.1rem;
  outline:       none;
  transition:    all var(--t-fast);
  font-family:   var(--font-mono);
}
.search-page-form__input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,221,255,0.08); }

/* ── 404 PAGE ───────────────────────────────────────────────── */
.error-page { text-align: center; padding-block: 80px; max-width: 640px; margin-inline: auto; }
.error-code {
  display: flex; align-items: center; justify-content: center;
  font-size: clamp(5rem,15vw,10rem);
  font-weight: 900; line-height: 1;
  color: rgba(0,136,255,0.15);
  letter-spacing: -0.05em;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  filter: drop-shadow(0 0 30px rgba(0,136,255,0.2));
}
.error-code__shield { font-size: 0.55em; }
.error-page__title  { font-size: 2rem; font-weight: 900; margin-bottom: 16px; }
.error-page__text   { color: var(--text-secondary); margin-bottom: 36px; }
.error-page__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
.error-page__search  { margin-bottom: 60px; }
.error-page__recent-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 24px; }
.error-page__recent { text-align: left; }

/* ── EMPTY STATE ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 80px 32px; }
.empty-state__icon  { font-size: 4rem; margin-bottom: 16px; }
.empty-state__title { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.empty-state__text  { color: var(--text-secondary); }
.empty-state__suggestions { margin-top: 32px; }

/* ── FLASH ──────────────────────────────────────────────────── */
.flash { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.875rem; font-weight: 500; font-family: var(--font-mono); }
.flash--success { background: rgba(0,221,255,0.06); border: 1px solid rgba(0,221,255,0.2); color: var(--cyan); }
.flash--error   { background: rgba(239,68,68,0.06); border: 1px solid rgba(239,68,68,0.2);  color: #fca5a5; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background:   rgba(2,8,24,0.95);
  border-top:   1px solid var(--border-1);
  margin-top:   80px;
  position:     relative;
}
.site-footer::before {
  content:   '';
  position:  absolute;
  top: 0; left: 0; right: 0;
  height:    1px;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.site-footer__grid {
  display:               grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap:                   60px;
  padding:               80px 0 48px;
}
.site-footer__logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.site-footer__logo-text { font-size: 1.2rem; font-weight: 900; color: var(--text-heading); }
.site-footer__tagline    { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
.site-footer__description{ font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }

.site-footer__social { display: flex; gap: 10px; }
.social-link {
  display:         flex;
  align-items:     center;
  justify-content: center;
  width:           36px; height: 36px;
  border-radius:   var(--radius-sm);
  background:      rgba(0,221,255,0.04);
  border:          1px solid var(--border-1);
  color:           var(--text-muted);
  transition:      all var(--t-fast);
}
.social-link:hover {
  background:   rgba(0,221,255,0.12);
  color:        var(--cyan);
  border-color: var(--border-2);
  box-shadow:   var(--glow-cyan);
}
.site-footer__heading {
  font-size:      0.68rem;
  font-weight:    700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          var(--text-muted);
  margin-bottom:  20px;
  font-family:    var(--font-mono);
}
.site-footer__links { display: flex; flex-direction: column; gap: 10px; }
.site-footer__link  { font-size: 0.875rem; color: var(--text-secondary); transition: color var(--t-fast); }
.site-footer__link:hover { color: var(--cyan); text-shadow: 0 0 12px rgba(0,221,255,0.3); }

.site-footer__trust {
  display:         flex;
  flex-wrap:       wrap;
  gap:             24px;
  justify-content: center;
  padding:         24px 0;
  border-top:      1px solid var(--border-0);
  border-bottom:   1px solid var(--border-0);
}
.trust-badge {
  display:     flex;
  align-items: center;
  gap:         8px;
  font-size:   0.78rem;
  color:       var(--text-muted);
  font-family: var(--font-mono);
}
.trust-badge__icon { font-size: 0.9rem; }
.site-footer__bottom    { padding: 24px 0; text-align: center; }
.site-footer__copyright { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; font-family: var(--font-mono); }
.site-footer__disclaimer-note { font-size: 0.72rem; color: rgba(0,136,255,0.2); font-family: var(--font-mono); }

/* ── BACK TO TOP ────────────────────────────────────────────── */
.back-to-top {
  position:        fixed;
  bottom:          24px; right: 24px;
  z-index:         100;
  width:           46px; height: 46px;
  border-radius:   var(--radius-sm);
  background:      var(--bg-glass);
  border:          1px solid var(--border-2);
  color:           var(--cyan);
  display:         flex;
  align-items:     center;
  justify-content: center;
  box-shadow:      var(--glow-cyan);
  opacity:         0;
  transform:       translateY(20px);
  transition:      all var(--t-base);
  pointer-events:  none;
  cursor:          pointer;
  backdrop-filter: blur(12px);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { background: rgba(0,221,255,0.12); transform: translateY(-4px); box-shadow: var(--glow-hover); }

/* ── CURSOR GLOW ────────────────────────────────────────────── */
.cursor-glow {
  position:       fixed;
  width:          280px;
  height:         280px;
  border-radius:  50%;
  background:     radial-gradient(
    circle,
    rgba(0,100,255,0.05) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index:        9998;
  transform:      translate(-50%, -50%);
  mix-blend-mode: screen;
  /* Sin transition — el JS lo mueve directamente cada 32ms */
}

/* ── REVEAL ON SCROLL ───────────────────────────────────────── */
.reveal-on-scroll {
  opacity:    0;
  transform:  translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34,1.56,0.64,1);
}
.reveal-on-scroll.is-revealed { opacity: 1; transform: translateY(0); }

/* ── SECTION CTA ────────────────────────────────────────────── */
.section-cta { text-align: center; margin-top: 48px; }

/* ── LINK ───────────────────────────────────────────────────── */
.link { color: var(--blue-light); text-decoration: underline; text-underline-offset: 3px; }
.link:hover { color: var(--cyan); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .blog-layout    { grid-template-columns: 1fr; }
  .blog-sidebar   { position: static; }
  .post-layout    { grid-template-columns: 1fr; }
  .post-sidebar   { display: none; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .checklist-wrapper { grid-template-columns: 1fr; }
  .checklist-visual  { display: none; }
  .related-posts__grid { grid-template-columns: repeat(2,1fr); }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .site-nav { display: none; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; padding-block: 60px; }
  .hero__content { max-width: 100%; }
  .hero__visual  { display: none; }
  .hero__stats   { justify-content: center; }
  .hero__subtitle{ margin-inline: auto; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post__image { min-height: 220px; }
  .posts-grid    { grid-template-columns: 1fr; }
  .related-posts__grid { grid-template-columns: 1fr; }
  .site-footer__grid   { grid-template-columns: 1fr; gap: 24px; }
  .form-row--two { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2,1fr); }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .section       { padding-block: 60px; }
  .section-title { font-size: 1.6rem; }
  .checklist-wrapper { padding: 36px; }
  .newsletter-box    { padding: 40px; }
  .legal-content     { padding: 28px; }
  .hero__search-wrapper { flex-direction: column; border-radius: var(--radius); padding: 12px; }
  .hero__search-btn  { width: 100%; }
  .post-header__title { font-size: 1.75rem; }
  .author-box    { flex-direction: column; }
  .search-page-form__inner { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding-inline: 16px; }
  .categories-grid { grid-template-columns: 1fr; }
  .popular-item { grid-template-columns: 44px 1fr auto; gap: 12px; }
  .hero__stats  { flex-direction: column; gap: 16px; }
  .hero__stat-divider { display: none; }
}

@media (min-width: 769px) { .mobile-menu-toggle { display: none; } }

/* ============================================================
   SafeBitGuide — Mobile Fixes
   Pegar al FINAL de style.css
   Corrige todos los problemas de overflow y márgenes en móvil
   ============================================================ */

/* ── Fix global: prevenir scroll horizontal ─────────────────── */
html, body {
  overflow-x: hidden;
  max-width:  100%;
}

* {
  max-width: 100%;
}

/* ── Fix: Blobs que salen del hero ──────────────────────────── */
.hero {
  overflow: hidden; /* contiene blobs dentro del hero */
}

.hero__blobs {
  overflow: hidden;
  pointer-events: none;
}

/* Reducir tamaño de blobs en móvil */
@media (max-width: 768px) {
  .blob--1 {
    width:  280px;
    height: 280px;
    top:    -80px;
    right:  -60px;
  }
  .blob--2 {
    width:  200px;
    height: 200px;
    bottom: -60px;
    left:   0;
  }
  .blob--3 {
    width:  160px;
    height: 160px;
    top:    40%;
    left:   30%;
  }
}

/* ── Fix: Tablas en artículos ───────────────────────────────── */
.post-content table {
  display:   block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

/* ── Fix: Bloques de código ─────────────────────────────────── */
.post-content pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  word-break: break-word;
}

.post-content code {
  word-break:   break-word;
  overflow-wrap: break-word;
  white-space:   pre-wrap;
}

/* ── Fix: Imágenes y embeds ─────────────────────────────────── */
.post-content img,
.post-content iframe,
.post-content video {
  max-width: 100%;
  height:    auto;
}

/* ════════════════════════════════════════════════════════════
   BREAKPOINT: Tablets (max 1024px)
════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {

  .blog-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .blog-sidebar {
    position: static;
    display:  none; /* ocultar sidebar en tablet/móvil */
  }

  .post-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .post-sidebar {
    display: none;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .checklist-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px;
  }

  .checklist-visual {
    display: none;
  }

  .related-posts__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-sidebar {
    order: -1;
  }

  .featured-post {
    grid-template-columns: 1fr;
  }

  .featured-post__image {
    min-height: 260px;
  }

  .featured-post__content {
    padding: 28px;
    gap: 14px;
  }

  .admin-dashboard-grid {
    grid-template-columns: 1fr;
  }

  .admin-two-col {
    grid-template-columns: 1fr;
  }
}

/* ════════════════════════════════════════════════════════════
   BREAKPOINT: Móvil (max 768px)
════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Variables móvil ─────────────────────────────── */
  :root {
    --header-h: 64px;
    --space-20: 3rem;
    --space-24: 4rem;
  }

  /* ── Container ───────────────────────────────────── */
  .container {
    padding-inline: 18px;
  }

  /* ── Secciones ───────────────────────────────────── */
  .section {
    padding-block: 56px;
  }

  /* ── Nav desktop ─────────────────────────────────── */
  .site-nav {
    display: none;
  }

  #nav-cta {
    display: none !important;
  }

  /* ── Hero ────────────────────────────────────────── */
  .hero__inner {
    grid-template-columns: 1fr;
    gap:          0;
    text-align:   center;
    padding-block: 52px;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__visual {
    display: none;
  }

  .hero__badge {
    font-size:    0.65rem;
    padding:      5px 12px;
    display:      inline-flex;
    white-space:  nowrap;
    overflow:     hidden;
    text-overflow:ellipsis;
    max-width:    100%;
  }

  .hero__title {
    font-size: clamp(1.9rem, 8vw, 2.8rem);
    margin-bottom: 16px;
  }

  .hero__subtitle {
    font-size:    1rem;
    margin-inline: auto;
    max-width:    100%;
    margin-bottom: 24px;
  }

  .hero__search {
    margin-bottom: 24px;
  }

  .hero__search-wrapper {
    flex-direction: row;    /* mantener en fila */
    padding:        8px 8px 8px 16px;
    border-radius:  var(--radius-lg);
    gap:            8px;
  }

  .hero__search-input {
    font-size: 0.9rem;
    min-width: 0;
  }

  .hero__search-btn {
    padding:   10px 16px;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .hero__stats {
    justify-content: center;
    gap:             20px;
    flex-wrap:       wrap;
  }

  .hero__stat-number {
    font-size: 1.4rem;
  }

  .hero__stat-divider {
    display: none;
  }

  /* ── Section headers ─────────────────────────────── */
  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size:     0.95rem;
    margin-inline: 0;
  }

  .section-header--split {
    flex-direction: column;
    align-items:    flex-start;
    gap:            12px;
    text-align:     left;
    margin-bottom:  32px;
  }

  .section-header--split .btn {
    align-self: flex-start;
  }

  /* ── Category cards ──────────────────────────────── */
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-card {
    padding: 18px;
    gap:     10px;
  }

  .category-card__icon {
    font-size: 1.6rem;
  }

  .category-card__name {
    font-size: 0.82rem;
  }

  .category-card__count {
    font-size: 0.7rem;
  }

  /* ── Post cards ──────────────────────────────────── */
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .posts-grid--home {
    grid-template-columns: 1fr;
  }

  .post-card__body {
    padding: 16px;
    gap:     10px;
  }

  .post-card__title {
    font-size: 1rem;
  }

  /* ── Featured post ───────────────────────────────── */
  .featured-post {
    grid-template-columns: 1fr;
    border-radius: var(--radius);
  }

  .featured-post__image {
    min-height: 200px;
    max-height: 220px;
  }

  .featured-post__content {
    padding: 20px;
    gap:     12px;
  }

  .featured-post__title {
    font-size: 1.2rem;
  }

  .featured-post__excerpt {
    font-size:   0.875rem;
    display:     -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow:    hidden;
  }

  /* ── Checklist wrapper ───────────────────────────── */
  .checklist-wrapper {
    grid-template-columns: 1fr;
    padding:       24px;
    border-radius: var(--radius);
    gap:           20px;
  }

  .checklist-visual {
    display: none;
  }

  .checklist {
    gap: 12px;
    margin: 16px 0;
  }

  .checklist__item {
    font-size: 0.9rem;
    gap:       12px;
  }

  /* ── Popular items ───────────────────────────────── */
  .popular-list {
    gap: 2px;
  }

  .popular-item {
    grid-template-columns: 44px 1fr 28px;
    gap:     12px;
    padding: 14px 16px;
  }

  .popular-item__number {
    font-size: 1.6rem;
  }

  .popular-item__title {
    font-size: 0.875rem;
  }

  .popular-item__category {
    font-size: 0.62rem;
  }

  .popular-item__arrow {
    font-size: 1rem;
  }

  /* ── Trust cards ─────────────────────────────────── */
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .trust-card {
    padding: 24px;
  }

  /* ── Newsletter ──────────────────────────────────── */
  .newsletter-box {
    padding:       28px 20px;
    border-radius: var(--radius);
  }

  .newsletter-box__title {
    font-size: 1.3rem;
  }

  .newsletter-box__subtitle {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }

  /* ── Page headers ────────────────────────────────── */
  .page-header {
    padding: 36px 0;
  }

  .page-header__title {
    font-size: 1.8rem;
    margin-top: 10px;
  }

  .page-header__subtitle {
    font-size: 0.95rem;
  }

  /* ── Post page ───────────────────────────────────── */
  .post-layout {
    grid-template-columns: 1fr;
    padding-block: 24px;
    gap: 0;
  }

  .post-sidebar {
    display: none;
  }

  .post-header__title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .post-header__excerpt {
    font-size:    0.95rem;
    padding-left: 14px;
    margin-top:   12px;
  }

  .post-header__meta {
    flex-direction: column;
    align-items:    flex-start;
    gap:            12px;
    padding-top:    16px;
    margin-top:     16px;
  }

  .post-header__meta-details {
    flex-wrap: wrap;
    gap:       6px;
    font-size: 0.78rem;
  }

  .post-featured-image {
    border-radius: var(--radius);
    margin-bottom: 24px;
  }

  /* ── TOC ─────────────────────────────────────────── */
  .toc {
    padding:       14px;
    margin:        24px 0;
    border-radius: var(--radius-sm);
  }

  .toc__link {
    font-size: 0.82rem;
    padding:   5px 8px;
  }

  /* ── Post content ────────────────────────────────── */
  .post-content {
    font-size:   1rem;
    line-height: 1.75;
  }

  .post-content h2 {
    font-size:  1.3rem;
    margin:     36px 0 14px;
    padding-top:28px;
  }

  .post-content h3 {
    font-size: 1.1rem;
    margin:    24px 0 10px;
  }

  .post-content p {
    margin-bottom: 16px;
  }

  .post-content ul,
  .post-content ol {
    margin: 12px 0 18px;
  }

  /* Tablas: scroll horizontal en móvil */
  .post-content table {
    display:    block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size:  0.8rem;
    white-space: nowrap;
  }

  .post-content th,
  .post-content td {
    padding: 8px 12px;
  }

  /* Código: wrap en móvil */
  .post-content pre {
    overflow-x:  auto;
    padding:     16px;
    font-size:   0.78rem;
    border-radius: var(--radius-sm);
    -webkit-overflow-scrolling: touch;
  }

  .post-content code {
    font-size:    0.82em;
    word-break:   break-word;
    white-space:  pre-wrap;
  }

  /* ── Post tags ───────────────────────────────────── */
  .post-tags {
    padding:   14px 0;
    margin:    24px 0;
    gap:       8px;
    flex-wrap: wrap;
  }

  /* ── Social share ────────────────────────────────── */
  .post-share {
    flex-direction: column;
    align-items:    flex-start;
    gap:            10px;
    margin:         24px 0;
  }

  .post-share__buttons {
    display:  flex;
    flex-wrap: wrap;
    gap:      8px;
    width:    100%;
  }

  .share-btn {
    flex:      1;
    min-width: calc(50% - 4px);
    justify-content: center;
    padding:   8px 12px;
    font-size: 0.78rem;
  }

  /* ── Author box ──────────────────────────────────── */
  .author-box {
    flex-direction: column;
    padding:        20px;
    gap:            16px;
    margin-top:     32px;
    border-radius:  var(--radius);
  }

  .author-box__avatar-placeholder {
    width:  64px;
    height: 64px;
    font-size: 1.5rem;
  }

  .author-box__name {
    font-size: 1rem;
    margin-bottom: 8px;
  }

  .author-box__bio {
    font-size: 0.85rem;
  }

  /* ── Related posts ───────────────────────────────── */
  .section--related {
    padding-block: 48px;
  }

  .related-posts__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .related-posts__title {
    font-size: 1.2rem;
    margin-bottom: 20px;
  }

  /* ── Breadcrumbs ─────────────────────────────────── */
  .breadcrumbs__list {
    font-size:  0.75rem;
    gap:        4px;
    flex-wrap:  wrap;
    row-gap:    4px;
  }

  /* ── Blog layout ─────────────────────────────────── */
  .blog-layout {
    grid-template-columns: 1fr;
    padding-block: 32px;
    gap: 0;
  }

  .blog-sidebar {
    display: none;
  }

  /* ── About page ──────────────────────────────────── */
  .about-hero-block {
    padding:       24px 20px;
    margin-bottom: 28px;
    border-radius: var(--radius);
  }

  .about-hero-block__icon {
    font-size: 2.5rem;
  }

  .about-lead {
    font-size: 0.95rem;
  }

  .about-topics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .about-topic {
    font-size: 0.8rem;
    padding:   12px;
  }

  /* ── Contact page ────────────────────────────────── */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-info-card {
    padding: 20px;
  }

  .form-row--two {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-input {
    font-size: 16px; /* evita zoom en iOS al hacer focus */
  }

  .form-textarea {
    min-height: 110px;
  }

  /* ── Legal pages ─────────────────────────────────── */
  .legal-content {
    padding:       20px;
    border-radius: var(--radius);
  }

  .static-content h2 {
    font-size:  1.2rem;
    margin-top: 32px;
  }

  .static-content h3 {
    font-size: 1.05rem;
  }

  /* ── Search page ─────────────────────────────────── */
  .search-page-form__inner {
    flex-direction: column;
    gap:            12px;
  }

  .search-page-form__input {
    font-size: 1rem;
    width:     100%;
  }

  /* ── 404 page ────────────────────────────────────── */
  .error-page {
    padding-block: 48px;
  }

  .error-code {
    font-size: clamp(4rem, 20vw, 7rem);
    margin-bottom: 16px;
  }

  .error-page__title {
    font-size: 1.5rem;
  }

  .error-page__actions {
    flex-direction: column;
    gap:            12px;
  }

  .error-page__actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* ── Footer ──────────────────────────────────────── */
  .site-footer {
    margin-top: 48px;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap:          24px;
    padding-top:  48px;
    padding-bottom: 32px;
  }

  .site-footer__logo-text {
    font-size: 1rem;
  }

  .site-footer__description {
    font-size: 0.82rem;
  }

  .site-footer__trust {
    gap:            12px;
    flex-direction: column;
    align-items:    center;
    text-align:     center;
  }

  .site-footer__copyright {
    font-size: 0.78rem;
  }

  .site-footer__disclaimer-note {
    font-size: 0.68rem;
  }

  /* ── Pagination ──────────────────────────────────── */
  .pagination__link {
    min-width: 38px;
    height:    38px;
    font-size: 0.82rem;
    padding:   0 10px;
  }

  /* ── Ad slots ────────────────────────────────────── */
  .ad-slot {
    margin: 20px 0;
  }

  /* ── Buttons ─────────────────────────────────────── */
  .btn--lg {
    padding:   14px 24px;
    font-size: 0.9rem;
  }

  /* ── Security score card ─────────────────────────── */
  .security-score-card {
    padding: 24px 20px;
  }

  /* ── Tag cloud ───────────────────────────────────── */
  .tag-cloud {
    gap: 6px;
  }

  /* ── Post meta ───────────────────────────────────── */
  .post-meta {
    font-size: 0.78rem;
    gap:       6px;
  }

  /* ── Back to top ─────────────────────────────────── */
  .back-to-top {
    bottom: 16px;
    right:  16px;
    width:  40px;
    height: 40px;
  }
}

/* ════════════════════════════════════════════════════════════
   BREAKPOINT: Móvil pequeño (max 480px)
════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {

  /* ── Container más estrecho ──────────────────────── */
  .container {
    padding-inline: 14px;
  }

  /* ── Secciones más compactas ─────────────────────── */
  .section {
    padding-block: 44px;
  }

  /* ── Títulos ─────────────────────────────────────── */
  .section-title {
    font-size: 1.4rem;
  }

  .hero__title {
    font-size: clamp(1.7rem, 9vw, 2.2rem);
  }

  /* ── Hero badge ──────────────────────────────────── */
  .hero__badge {
    font-size: 0.6rem;
    padding:   4px 10px;
  }

  /* ── Hero search ─────────────────────────────────── */
  .hero__search-btn {
    padding:   9px 12px;
    font-size: 0.75rem;
  }

  /* ── Categorías: 1 columna en pantallas muy pequeñas */
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .category-card {
    flex-direction: row;
    align-items:    center;
    padding:        14px 16px;
    gap:            12px;
  }

  .category-card__icon {
    font-size:  1.4rem;
    flex-shrink: 0;
  }

  .category-card__name {
    font-size: 0.85rem;
    flex:      1;
  }

  .category-card__count {
    display: none; /* ocultar en pantallas muy pequeñas */
  }

  /* ── Share buttons: 2x2 grid ─────────────────────── */
  .share-btn {
    min-width: calc(50% - 4px);
    font-size: 0.75rem;
    padding:   7px 10px;
  }

  /* ── Popular items ───────────────────────────────── */
  .popular-item {
    grid-template-columns: 36px 1fr 24px;
    gap:     10px;
    padding: 12px 14px;
  }

  .popular-item__number {
    font-size: 1.3rem;
  }

  .popular-item__title {
    font-size: 0.82rem;
  }

  /* ── Footer ──────────────────────────────────────── */
  .site-footer__heading {
    margin-bottom: 12px;
  }

  /* ── About topics ────────────────────────────────── */
  .about-topics-grid {
    grid-template-columns: 1fr;
  }

  /* ── Checklist ───────────────────────────────────── */
  .checklist-wrapper {
    padding: 18px 16px;
  }

  /* ── Newsletter ──────────────────────────────────── */
  .newsletter-box {
    padding: 24px 16px;
  }

  /* ── Post header ─────────────────────────────────── */
  .post-header__title {
    font-size: 1.4rem;
  }

  /* ── Legal ───────────────────────────────────────── */
  .legal-content {
    padding: 16px;
  }

  /* ── Breadcrumbs ─────────────────────────────────── */
  .breadcrumbs {
    margin-bottom: 10px;
  }

  .breadcrumbs__list {
    font-size: 0.7rem;
  }

  /* Truncar breadcrumbs muy largos */
  .breadcrumbs__current {
    white-space:   nowrap;
    overflow:      hidden;
    text-overflow: ellipsis;
    max-width:     160px;
    display:       inline-block;
    vertical-align:middle;
  }
}

/* ════════════════════════════════════════════════════════════
   FIX iOS: Evitar zoom al hacer focus en inputs
════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="search"],
  input[type="password"],
  input[type="url"],
  input[type="tel"],
  input[type="number"],
  textarea,
  select {
    font-size: 16px !important; /* iOS no hace zoom con 16px+ */
  }
}

/* ════════════════════════════════════════════════════════════
   FIX: Elementos que siempre deben ser 100% del contenedor
════════════════════════════════════════════════════════════ */
.post-content *,
.static-content *,
.legal-content * {
  max-width: 100%;
}

.post-content img {
  height:        auto;
  border-radius: var(--radius-sm);
}

/* ════════════════════════════════════════════════════════════
   FIX: Hero grid no desborda
════════════════════════════════════════════════════════════ */
.hero__grid {
  overflow: hidden;
}

/* ════════════════════════════════════════════════════════════
   FIX: Scanline no desborda
════════════════════════════════════════════════════════════ */
.hero__scanline {
  max-width: 100%;
  overflow:  hidden;
}

/* ── FIX: Hero search centrado en móvil ──────────────────────── */
@media (max-width: 768px) {

    .hero__search {
        width:     100%;
        max-width: 100%;
        margin-left:  auto;
        margin-right: auto;
    }

    .hero__search-wrapper {
        width:          100%;
        max-width:      100%;
        flex-direction: row;
        flex-wrap:      nowrap;
        padding:        8px 8px 8px 16px;
        border-radius:  50px;
        box-sizing:     border-box;
        align-items:    center;
        gap:            8px;
    }

    .hero__search-icon {
        flex-shrink: 0;
        width:       18px;
        height:      18px;
    }

    .hero__search-input {
        flex:      1;
        min-width: 0;
        width:     0; /* fuerza a flex a calcularlo */
        font-size: 16px; /* evita zoom en iOS */
        padding:   0;
        background:transparent;
        border:    none;
        outline:   none;
    }

    .hero__search-btn {
        flex-shrink:   0;
        padding:       10px 18px;
        font-size:     0.8rem;
        border-radius: 50px;
        white-space:   nowrap;
    }
}

/* ── FIX: Mobile menu close button z-index ──────────────────── */
.mobile-menu__inner {
    z-index: 10; /* sobre el overlay */
}

.mobile-menu__overlay {
    z-index: 5;  /* debajo del inner */
}

/* El botón close debe tener z-index alto */
.mobile-menu__close {
    position:    relative;
    z-index:     20;
    cursor:      pointer;
    width:       36px;
    height:      36px;
    display:     flex;
    align-items: center;
    justify-content: center;
    /* Área de toque grande para móvil */
    padding:     8px;
    margin:      -8px;
    touch-action: manipulation;
}

/* Aumentar área de toque del botón */
.mobile-menu__close::before {
    content:  '';
    position: absolute;
    inset:    -12px;
}
/* ═══════════════════════════════════════════════════════════
   FIX: Mobile menu — botón X y estructura
═══════════════════════════════════════════════════════════ */

/* Header del menú móvil */
.mobile-menu__header {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    margin-bottom:   28px;
    padding-bottom:  16px;
    border-bottom:   1px solid var(--border-0);
}

.mobile-menu__brand {
    font-size:   1.05rem;
    font-weight: 900;
    color:       var(--text-heading);
    display:     flex;
    align-items: center;
    gap:         8px;
    letter-spacing: -0.02em;
}

/* Botón X — grande y fácil de tocar */
.mobile-menu__close {
    display:          flex;
    align-items:      center;
    justify-content:  center;
    width:            44px;
    height:           44px;
    min-width:        44px;
    border-radius:    var(--radius-sm);
    background:       rgba(0, 221, 255, 0.06);
    border:           1px solid var(--border-1);
    color:            var(--text-secondary);
    cursor:           pointer;
    /* Área de toque ampliada para móvil */
    touch-action:     manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select:      none;
    -webkit-user-select: none;
    position:         relative;
    z-index:          100;
    flex-shrink:      0;
}

.mobile-menu__close:hover,
.mobile-menu__close:active {
    background:   rgba(0, 221, 255, 0.15);
    border-color: var(--border-2);
    color:        var(--cyan);
}

/* Search dentro del menú móvil */
.mobile-menu__search {
    display:       flex;
    align-items:   center;
    gap:           10px;
    background:    rgba(0, 221, 255, 0.04);
    border:        1px solid var(--border-1);
    border-radius: var(--radius-sm);
    padding:       10px 14px;
    margin-bottom: 20px;
}

.mobile-menu__search input {
    flex:        1;
    background:  transparent;
    border:      none;
    outline:     none;
    color:       var(--text-primary);
    font-size:   16px; /* evita zoom iOS */
    font-family: var(--font-mono);
    min-width:   0;
}

.mobile-menu__search input::placeholder {
    color: var(--text-muted);
}

/* Contador en el menú móvil */
.mobile-menu__count {
    margin-left:   auto;
    font-size:     0.65rem;
    color:         var(--text-muted);
    font-family:   var(--font-mono);
    background:    rgba(0, 221, 255, 0.06);
    border:        1px solid var(--border-0);
    border-radius: 99px;
    padding:       1px 8px;
    flex-shrink:   0;
}

.mobile-menu__link {
    display:     flex;
    align-items: center;
    gap:         10px;
}

/* CTA al final del menú */
.mobile-menu__cta {
    margin-top: 24px;
}

/* Footer del menú */
.mobile-menu__footer {
    margin-top:  20px;
    padding-top: 16px;
    border-top:  1px solid var(--border-0);
    font-size:   0.7rem;
    color:       var(--text-muted);
    font-family: var(--font-mono);
    text-align:  center;
}

/* ═══════════════════════════════════════════════════════════
   FIX: Dropdown count en desktop nav
═══════════════════════════════════════════════════════════ */
.site-nav__dropdown-count {
    margin-left:   auto;
    font-size:     0.65rem;
    color:         var(--text-muted);
    font-family:   var(--font-mono);
    background:    rgba(0, 221, 255, 0.06);
    border:        1px solid var(--border-0);
    border-radius: 99px;
    padding:       1px 8px;
}

/* ═══════════════════════════════════════════════════════════
   FIX: Hero search — NO se sale en ninguna pantalla
═══════════════════════════════════════════════════════════ */
.hero__search {
    width:     100%;
    max-width: 560px;
}

@media (max-width: 768px) {
    .hero__search {
        max-width: 100%;
        width:     100%;
    }

    .hero__search-wrapper {
        display:        flex;
        flex-direction: row;
        align-items:    center;
        flex-wrap:      nowrap;
        width:          100%;
        padding:        6px 6px 6px 14px;
        gap:            6px;
        box-sizing:     border-box;
        overflow:       hidden;
    }

    .hero__search-icon {
        flex-shrink: 0;
        width:       16px;
        height:      16px;
    }

    .hero__search-input {
        flex:        1;
        min-width:   0;
        width:       0;
        font-size:   16px;
        padding:     0;
        background:  transparent;
        border:      none;
        outline:     none;
        overflow:    hidden;
        text-overflow: ellipsis;
    }

    .hero__search-btn {
        flex-shrink:    0;
        padding:        8px 14px;
        font-size:      0.78rem;
        letter-spacing: 0.02em;
        white-space:    nowrap;
        border-radius:  50px;
        min-width:      auto;
        width:          auto;
        max-width:      80px;
    }
}

@media (max-width: 380px) {
    .hero__search-btn {
        padding:  8px 10px;
        font-size:0.72rem;
        max-width:66px;
    }
}

/* ═══════════════════════════════════════════════════════════
   FIX: Header search — lupa toggle sin X separada
═══════════════════════════════════════════════════════════ */
.header-search {
    overflow:   hidden;
    max-height: 0;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding:    0;
}

.header-search.is-open {
    max-height: 72px;
    padding:    10px 0;
}

/* El botón de la lupa cambia ícono según estado */
#search-toggle-btn[aria-expanded="true"] {
    color:      var(--cyan);
    background: rgba(0, 221, 255, 0.08);
}

/* ═══════════════════════════════════════════════════════════
   FIX: tap-highlight en todos los botones interactivos
═══════════════════════════════════════════════════════════ */
button,
.btn,
.mobile-menu__link,
.category-card,
.post-card,
a {
    -webkit-tap-highlight-color: transparent;
}