/* ============================================================
   GlucoFitness.com — Design System
   Modern · Clean · Green · Vanguard
   ============================================================ */

/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ─── CSS Variables / Design Tokens ────────────────────────── */
:root {
  /* Primary Green Palette */
  --green-50:   #f0fdf4;
  --green-100:  #dcfce7;
  --green-200:  #bbf7d0;
  --green-300:  #86efac;
  --green-400:  #4ade80;
  --green-500:  #22c55e;
  --green-600:  #16a34a;
  --green-700:  #15803d;
  --green-800:  #166534;
  --green-900:  #14532d;

  /* Teal accent */
  --teal-400:   #2dd4bf;
  --teal-500:   #14b8a6;
  --teal-600:   #0d9488;

  /* Neutral */
  --white:      #ffffff;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-300:   #cbd5e1;
  --gray-400:   #94a3b8;
  --gray-500:   #64748b;
  --gray-600:   #475569;
  --gray-700:   #334155;
  --gray-800:   #1e293b;
  --gray-900:   #0f172a;

  /* Semantic Colors */
  --color-primary:      var(--green-500);
  --color-primary-dark: var(--green-700);
  --color-primary-light:var(--green-100);
  --color-accent:       var(--teal-500);
  --color-text:         var(--gray-800);
  --color-text-light:   var(--gray-500);
  --color-text-muted:   var(--gray-400);
  --color-bg:           var(--white);
  --color-bg-soft:      var(--gray-50);
  --color-bg-card:      var(--white);
  --color-border:       var(--gray-200);

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Font sizes */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* 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;

  /* Border Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-2xl:  2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.06);
  --shadow-green: 0 8px 30px rgba(34,197,94,.25);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;

  /* Container */
  --container-max:  1280px;
  --container-pad:  clamp(1rem, 4vw, 2rem);

  /* Nav height */
  --nav-height: 72px;
}

/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: clamp(1.875rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

p { margin-bottom: var(--space-4); }
ul, ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }
li { margin-bottom: var(--space-1); }

/* ─── Utility Classes ──────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--space-16); }
.section-sm { padding-block: var(--space-10); }
.section-lg { padding-block: var(--space-24); }

.text-center  { text-align: center; }
.text-green   { color: var(--color-primary); }
.text-muted   { color: var(--color-text-muted); }
.text-sm      { font-size: var(--text-sm); }
.text-lg      { font-size: var(--text-lg); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--green-100);
  color: var(--green-700);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after { background: rgba(255,255,255,0.12); }

.btn-primary {
  background: var(--color-primary);
  color: var(--white);
  box-shadow: var(--shadow-green);
}

.btn-primary:hover {
  background: var(--green-600);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(34,197,94,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(34,197,94,0.08);
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: var(--white);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-lg);
}

/* ─── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(34,197,94,0.12);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}

.nav.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.nav-logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--green-500), var(--teal-500));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  box-shadow: 0 4px 12px rgba(34,197,94,0.3);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.nav-logo:hover .nav-logo-mark {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 0 6px 20px rgba(34,197,94,0.4);
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  background: linear-gradient(135deg, var(--green-600), var(--teal-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
}

.nav-links a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: var(--green-50);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-lang-switcher {
  position: relative;
}

.nav-lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--white);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-lang-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.nav-lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  overflow: hidden;
  z-index: 100;
  animation: fadeInDown 0.15s ease;
}

.nav-lang-switcher:hover .nav-lang-dropdown,
.nav-lang-btn:focus + .nav-lang-dropdown { display: block; }

.nav-lang-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.nav-lang-dropdown a:hover { background: var(--green-50); color: var(--color-primary); }
.nav-lang-dropdown a.current { background: var(--green-50); color: var(--color-primary); font-weight: 600; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ─── Hero Section ─────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 30%, #ffffff 70%, #f0fdf4 100%);
  padding-top: var(--nav-height);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(34,197,94,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(20,184,166,0.06) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(34,197,94,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,197,94,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,197,94,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-20);
}

.hero-content { animation: fadeInLeft 0.8s ease forwards; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--green-100), rgba(20,184,166,0.15));
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: var(--space-6);
}

.hero-tag-dot {
  width: 8px; height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--gray-900);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--green-500), var(--teal-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-10);
  max-width: 480px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Hero visual side */
.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.2s both;
}

.hero-video-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(34,197,94,0.12);
  transition: transform var(--transition-slow);
}

.hero-video-card:hover { transform: translateY(-8px) scale(1.01); }

.hero-video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--gray-100);
  overflow: hidden;
}

.hero-video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-video-card:hover .hero-video-thumb img { transform: scale(1.05); }

.hero-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.15);
  transition: background var(--transition-base);
}

.hero-play-btn:hover { background: rgba(0,0,0,0.25); }

.hero-play-circle {
  width: 64px; height: 64px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: transform var(--transition-base);
}

.hero-play-circle:hover { transform: scale(1.1); }

.hero-play-icon {
  width: 0; height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 20px solid var(--green-500);
  margin-left: 4px;
}

.hero-video-info {
  padding: var(--space-4) var(--space-5);
}

.hero-video-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-video-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Floating badges on hero visual */
.hero-float-badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
  animation: float 4s ease-in-out infinite;
}

.hero-float-badge:nth-child(2) { animation-delay: -2s; }

.hero-float-badge-icon { font-size: 1.5rem; }

.hero-float-1 { top: -20px; right: -16px; }
.hero-float-2 { bottom: 30px; left: -20px; animation-delay: -1s; }

/* ─── Section Headers ──────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ─── Video Cards ──────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.video-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.video-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--gray-100);
  overflow: hidden;
}

.video-card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card:hover .video-card-thumb img { transform: scale(1.05); }

.video-card-duration {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  background: rgba(0,0,0,0.8);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
}

.video-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-card:hover .video-card-overlay { opacity: 1; }

.video-card-play {
  width: 52px; height: 52px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transform: scale(0.8);
  transition: transform var(--transition-base);
}

.video-card:hover .video-card-play { transform: scale(1); }

.video-card-play-icon {
  width: 0; height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 15px solid var(--green-500);
  margin-left: 3px;
}

.video-card-body {
  padding: var(--space-4);
}

.video-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.video-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.video-card-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-card-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.video-card-actions a {
  flex: 1;
  text-align: center;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-watch {
  background: var(--green-50);
  color: var(--color-primary);
}

.btn-watch:hover {
  background: var(--color-primary);
  color: var(--white);
}

.btn-article {
  background: var(--gray-50);
  color: var(--gray-600);
}

.btn-article:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

/* ─── Article Cards ────────────────────────────────────────── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.article-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.article-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--gray-100);
  overflow: hidden;
}

.article-card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-card-thumb img { transform: scale(1.05); }

.article-card-video-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.article-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.article-card-category {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-excerpt {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.article-card-reading-time {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─── Category Cards ───────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.category-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.category-card:hover {
  border-color: var(--color-primary);
  background: var(--green-50);
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.category-card-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.category-card-count {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* ─── Newsletter Section ───────────────────────────────────── */
.newsletter-section {
  background: linear-gradient(135deg, var(--green-600), var(--teal-600));
  padding-block: var(--space-16);
  position: relative;
  overflow: hidden;
}

.newsletter-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 50%, rgba(255,255,255,0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 50%, rgba(255,255,255,0.04) 0%, transparent 40%);
}

.newsletter-inner {
  position: relative;
  text-align: center;
  color: white;
}

.newsletter-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.newsletter-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-3);
}

.newsletter-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-inline: auto;
}

.newsletter-form {
  display: flex;
  max-width: 480px;
  margin-inline: auto;
  gap: 0;
  background: white;
  border-radius: var(--radius-full);
  padding: 4px;
  box-shadow: var(--shadow-xl);
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.75rem 1.25rem;
  border: none;
  outline: none;
  font-size: var(--text-base);
  background: transparent;
  color: var(--gray-800);
}

.newsletter-form button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.newsletter-form button:hover { background: var(--green-700); }

/* ─── Article Single Page ──────────────────────────────────── */
.article-single-header {
  background: var(--gray-50);
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.article-breadcrumb a { color: var(--color-primary); }
.article-breadcrumb-sep { color: var(--gray-300); }

.article-single-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-6);
  color: var(--gray-900);
}

.article-single-meta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-single-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-12);
  padding-block: var(--space-12);
  align-items: start;
}

/* Article Content Styles */
.article-content {
  max-width: none;
  line-height: 1.8;
  font-size: 1.0625rem;
}

.article-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--green-100);
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.article-content p {
  margin-bottom: var(--space-5);
  color: var(--gray-700);
}

.article-content ul, .article-content ol {
  margin-bottom: var(--space-5);
  color: var(--gray-700);
}

.article-content li { margin-bottom: var(--space-2); }

.article-content strong {
  color: var(--gray-900);
  font-weight: 700;
}

.article-content blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-5) var(--space-6);
  background: var(--green-50);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--gray-700);
  font-style: italic;
}

.article-content .key-point {
  background: linear-gradient(135deg, var(--green-50), rgba(20,184,166,0.05));
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
}

.article-content .key-point-title {
  font-weight: 700;
  color: var(--green-700);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Table of Contents */
.toc-box {
  background: var(--gray-50);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
}

.toc-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--gray-800);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li { margin-bottom: var(--space-2); }

.toc-list a {
  display: block;
  font-size: var(--text-sm);
  color: var(--gray-600);
  padding: 4px 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  transition: all var(--transition-fast);
}

.toc-list a:hover, .toc-list a.active {
  border-left-color: var(--color-primary);
  color: var(--color-primary);
  padding-left: var(--space-4);
}

.toc-list .toc-h3 { padding-left: calc(var(--space-3) + 1rem); }
.toc-list .toc-h3.active, .toc-list .toc-h3:hover { padding-left: calc(var(--space-4) + 1rem); }

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.sidebar-widget {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.sidebar-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--gray-800);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* Video embed */
.video-embed-wrapper {
  aspect-ratio: 16/9;
  background: var(--gray-900);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.video-embed-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Share buttons */
.share-buttons {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.share-twitter { background: #1da1f2; color: white; }
.share-facebook { background: #1877f2; color: white; }
.share-whatsapp { background: #25d366; color: white; }
.share-copy { background: var(--gray-100); color: var(--gray-700); }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); color: white; }

/* ─── AdSense Slots ─────────────────────────────────────────── */
.ad-slot {
  text-align: center;
  margin-block: var(--space-6);
  position: relative;
}

.ad-slot-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
  display: block;
}

.ad-slot-leaderboard { min-height: 90px; }
.ad-slot-rect       { min-height: 250px; }
.ad-slot-mobile     { min-height: 50px; display: none; }

/* ─── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px; height: 42px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--white);
  color: var(--gray-600);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--green-50);
}

.pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pagination-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  text-decoration: none;
}

.footer-brand-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--green-500), var(--teal-500));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: white;
}

.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  color: var(--gray-400);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-btn {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255,255,255,0.08);
}

.footer-social-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--color-primary); }

.footer-lang-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-lang-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--gray-300);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition-fast);
}

.footer-lang-badge:hover {
  background: rgba(34,197,94,0.15);
  border-color: var(--color-primary);
  color: var(--green-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--gray-600);
  text-align: right;
  max-width: 500px;
}

/* ─── Page Headers ──────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--green-50), var(--gray-50));
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.page-header-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}

.page-header-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-500);
  margin-top: var(--space-3);
}

/* ─── Filter Bar ────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ─── Search Bar ─────────────────────────────────────────────── */
.search-bar {
  display: flex;
  max-width: 640px;
  gap: 0;
  background: var(--white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: border-color var(--transition-fast);
  overflow: hidden;
}

.search-bar:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.12);
}

.search-bar input {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  border: none;
  outline: none;
  font-size: var(--text-base);
  background: transparent;
  color: var(--gray-800);
}

.search-bar button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-bar button:hover { background: var(--green-700); }

/* ─── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--green-600), var(--teal-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  color: var(--color-text-muted);
}

.empty-state-icon { font-size: 4rem; margin-bottom: var(--space-4); display: block; }
.empty-state-title { font-size: var(--text-xl); font-weight: 700; color: var(--gray-700); margin-bottom: var(--space-3); }

/* ─── Loading skeleton ──────────────────────────────────────── */
@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ─── Animations ────────────────────────────────────────────── */
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Tools Page ────────────────────────────────────────────── */
.tool-card {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.tool-input-group {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.tool-input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--gray-800);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition-fast);
}

.tool-input:focus { border-color: var(--color-primary); }

.tool-result {
  background: linear-gradient(135deg, var(--green-50), rgba(20,184,166,0.05));
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-4);
  display: none;
}

.tool-result.show { display: block; animation: fadeInUp 0.3s ease; }

.tool-result-value {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--green-700);
}

/* ─── Admin Panel ───────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--gray-900);
  position: fixed;
  top: 0; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-header {
  padding: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.admin-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.admin-logo span {
  background: linear-gradient(135deg, var(--green-500), var(--teal-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-nav {
  padding: var(--space-4) 0;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: var(--gray-400);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.admin-nav-item:hover, .admin-nav-item.active {
  color: white;
  background: rgba(255,255,255,0.05);
  border-left-color: var(--green-500);
}

.admin-nav-item.active { color: var(--green-400); }

.admin-nav-icon { font-size: 1.1rem; width: 20px; text-align: center; }

.admin-main {
  margin-left: 260px;
  flex: 1;
  background: var(--gray-50);
  min-height: 100vh;
}

.admin-topbar {
  background: var(--white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-topbar-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--gray-900);
}

.admin-content {
  padding: var(--space-6);
}

/* Admin Cards */
.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.admin-stat-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.admin-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.admin-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--gray-900);
}

.admin-stat-icon {
  font-size: 2rem;
  margin-bottom: var(--space-2);
}

/* Admin Table */
.admin-table-wrapper {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: var(--gray-50);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-50);
  vertical-align: middle;
}

.admin-table tr:hover td { background: var(--gray-50); }

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}

.status-success { background: var(--green-100); color: var(--green-700); }
.status-error   { background: #fee2e2; color: #b91c1c; }
.status-running { background: #fef3c7; color: #92400e; }
.status-draft   { background: var(--gray-100); color: var(--gray-600); }

/* Utilities */
.mobile-only { display: none; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle, .hero-actions { margin-inline: auto; justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 540px; margin-inline: auto; }
}

@media (max-width: 768px) {
  .mobile-only { display: block; }
  .nav-actions .btn { display: none !important; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    width: 100%;
    background-color: #ffffff !important;
    padding: var(--space-8) var(--space-6);
    gap: var(--space-4);
    z-index: 1000;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border-top: 1px solid var(--color-border);
  }
  .nav-links.open a { font-size: var(--text-lg); padding: var(--space-3); }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-disclaimer { text-align: center; }

  .admin-sidebar { transform: translateX(-100%); transition: transform var(--transition-base); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }

  .newsletter-form { flex-direction: column; border-radius: var(--radius-xl); }
  .newsletter-form input { border-radius: var(--radius-lg); }
  .newsletter-form button { border-radius: var(--radius-lg); }

  .hero-stats { gap: var(--space-5); }

  .ad-slot-mobile { display: block; }
  .ad-slot-leaderboard { display: none; }
}

@media (max-width: 480px) {
  .video-grid, .article-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-lg { width: 100%; justify-content: center; }
}

/* ─── Print styles ──────────────────────────────────────────── */
@media print {
  .nav, .footer, .ad-slot, .newsletter-section, .share-buttons { display: none !important; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}