/* ============================================
   MemPlace.app — Modern Dark Theme
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f18;
  --bg-card: #141420;
  --bg-card-hover: #1a1a2e;
  --bg-elevated: #1e1e30;

  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a82;

  --accent-primary: #7c5cfc;
  --accent-secondary: #5c8afc;
  --accent-glow: rgba(124, 92, 252, 0.3);
  --accent-gradient: linear-gradient(135deg, #7c5cfc 0%, #5c8afc 50%, #4ce0d2 100%);

  --green: #4cde80;
  --green-bg: rgba(76, 222, 128, 0.1);
  --yellow: #f0c040;
  --yellow-bg: rgba(240, 192, 64, 0.1);
  --red: #f06060;
  --red-bg: rgba(240, 96, 96, 0.1);
  --blue: #5cacfc;
  --blue-bg: rgba(92, 172, 252, 0.1);
  --purple: #a07cfc;
  --purple-bg: rgba(160, 124, 252, 0.1);

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-primary); }

img { max-width: 100%; height: auto; }

code {
  font-family: var(--font-mono);
  background: rgba(124, 92, 252, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-icon { font-size: 1.4rem; }
.logo-dot { color: var(--text-muted); font-weight: 400; }

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 16px; }

.github-stars {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
}

.github-stars:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--yellow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-particles .particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0;
  animation: float-up 8s infinite;
}

@keyframes float-up {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-20px) scale(1); }
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }

/* Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.stat {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition);
}

.stat:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 4px;
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   Story Section
   ============================================ */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.story-content p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.story-content strong {
  color: var(--text-primary);
}

.story-quote {
  margin: 32px 0;
  padding: 28px 32px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

.story-quote p {
  color: var(--text-primary) !important;
  font-size: 1.1rem !important;
  line-height: 1.7;
  margin-bottom: 12px !important;
}

.story-quote cite {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: normal;
}

.info-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.info-card h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.info-card blockquote {
  padding: 16px;
  background: rgba(124, 92, 252, 0.05);
  border-left: 2px solid var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 12px 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.creator {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.creator:last-child { margin-bottom: 0; }

.creator-avatar {
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.creator p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
  line-height: 1.5;
}

/* ============================================
   Benchmark Section
   ============================================ */
.benchmark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.benchmark-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.benchmark-card.credible {
  background: var(--green-bg);
  border-color: rgba(76, 222, 128, 0.2);
}

.benchmark-card.questioned {
  background: var(--yellow-bg);
  border-color: rgba(240, 192, 64, 0.2);
}

.benchmark-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.credible .benchmark-icon { background: var(--green-bg); color: var(--green); border: 2px solid var(--green); }
.questioned .benchmark-icon { background: var(--yellow-bg); color: var(--yellow); border: 2px solid var(--yellow); }

.benchmark-card h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.benchmark-card ul {
  list-style: none;
  padding: 0;
}

.benchmark-card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.benchmark-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.credible li::before { background: var(--green); }
.questioned li::before { background: var(--yellow); }

.benchmark-verdict {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.benchmark-verdict h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--accent-primary);
}

.benchmark-verdict p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   Reactions
   ============================================ */
.reactions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.reaction-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.reaction-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.reaction-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.reaction-avatar {
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.reaction-header strong { font-size: 0.9rem; }
.reaction-handle { color: var(--text-muted); font-size: 0.8rem; display: block; }

.reaction-badge {
  margin-left: auto;
  padding: 3px 10px;
  background: var(--purple-bg);
  color: var(--purple);
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
}

.reaction-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   Architecture / How It Works
   ============================================ */
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.arch-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.arch-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.arch-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.arch-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.arch-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.arch-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Comparison Table */
.comparison-table-wrapper {
  margin-top: 20px;
}

.table-title {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.comparison-table tr:last-child td { border-bottom: none; }

.highlight-row {
  background: rgba(124, 92, 252, 0.05);
}

.highlight-row td { color: var(--text-primary); }

.score-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

.score-badge.high { background: var(--green-bg); color: var(--green); }
.score-badge.medium { background: var(--blue-bg); color: var(--blue); }
.score-badge.low { background: var(--yellow-bg); color: var(--yellow); }

.check { color: var(--green); font-weight: 700; }
.cross { color: var(--red); font-weight: 700; }

.table-footnote {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 16px;
}

/* ============================================
   Quiz Section
   ============================================ */
.quiz-label {
  display: inline-block;
  padding: 4px 14px;
  background: var(--purple-bg);
  color: var(--purple);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.quiz-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.quiz-progress {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  margin-bottom: 24px;
  overflow: hidden;
}

.quiz-progress-bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 2px;
  width: 0%;
  transition: width 0.5s ease;
}

.quiz-counter {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.quiz-question {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.5;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  padding: 16px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: left;
  font-family: var(--font-sans);
}

.quiz-option:hover {
  border-color: var(--accent-primary);
  background: rgba(124, 92, 252, 0.08);
  color: var(--text-primary);
}

.quiz-option.selected {
  border-color: var(--accent-primary);
  background: rgba(124, 92, 252, 0.15);
  color: var(--text-primary);
}

.quiz-result {
  max-width: 640px;
  margin: 0 auto;
}

.result-card {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.result-card h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-card > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.result-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.result-feature {
  padding: 6px 14px;
  background: var(--bg-elevated);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   GitHub Pulse
   ============================================ */
.pulse-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.pulse-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

.pulse-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
}

.pulse-icon { font-size: 1.6rem; margin-bottom: 8px; }

.pulse-value {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pulse-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

.pulse-trend {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 4px;
}

.issues-list {
  max-width: 700px;
  margin: 0 auto;
}

.issues-list h3 {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.issue-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  transition: all var(--transition);
}

.issue-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.issue-number {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.issue-title {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.issue-tag {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  flex-shrink: 0;
}

.tag-feature { background: var(--blue-bg); color: var(--blue); }
.tag-bug { background: var(--red-bg); color: var(--red); }
.tag-community { background: var(--green-bg); color: var(--green); }
.tag-discussion { background: var(--purple-bg); color: var(--purple); }

/* ============================================
   Setup Section
   ============================================ */
.setup-steps {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.setup-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.step-content { flex: 1; }

.step-content h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.step-content > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

.code-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.code-block code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green);
  background: none;
  padding: 0;
}

.copy-btn {
  padding: 4px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.copy-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.copy-btn.copied {
  color: var(--green);
  border-color: var(--green);
}

/* ============================================
   Explore Cards
   ============================================ */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.explore-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  text-decoration: none;
}

.explore-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.explore-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}

.explore-card h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.explore-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  transition: background var(--transition);
}

.faq-question:hover { background: var(--bg-card-hover); }

.faq-toggle {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: var(--bg-card);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter-box {
  text-align: center;
  padding: 60px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.newsletter-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--blue-bg);
  color: var(--blue);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.newsletter-box h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.newsletter-box > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 450px;
  margin: 0 auto 16px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--accent-primary);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

.small { font-size: 0.8rem; }
.text-muted { color: var(--text-muted); }

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

/* ============================================
   Responsive — Tablet (768px – 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  .nav-container { padding: 0 32px; }

  /* Hero */
  .hero { padding: 110px 0 70px; min-height: auto; }
  .hero-title { font-size: clamp(2rem, 4.5vw, 3rem); }
  .hero-subtitle { font-size: 1.05rem; max-width: 600px; }
  .hero-glow { width: 600px; height: 600px; }
  .hero-stats { gap: 16px; max-width: 700px; }
  .stat { padding: 20px 16px; }
  .stat-value { font-size: 1.7rem; }

  /* Story */
  .story-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .story-sidebar {
    order: -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .info-card { margin-bottom: 0; }

  /* Sections general */
  .section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }
  .section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); }
  .section-desc { font-size: 1rem; }

  /* Benchmarks */
  .benchmark-card { padding: 28px; }
  .benchmark-card h3 { font-size: 1.05rem; }

  /* Reactions */
  .reactions-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .reaction-card { padding: 20px; }

  /* Architecture */
  .architecture-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .arch-card { padding: 24px; }

  /* Comparison table */
  .comparison-table th,
  .comparison-table td { padding: 14px 18px; font-size: 0.9rem; }

  /* Quiz */
  .quiz-container { max-width: 580px; padding: 32px; }
  .quiz-question { font-size: 1.1rem; }

  /* Pulse */
  .pulse-grid { gap: 16px; }
  .pulse-card { padding: 20px; }
  .pulse-value { font-size: 1.5rem; }

  /* Setup */
  .setup-steps { max-width: 540px; }

  /* Explore */
  .explore-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .explore-card { padding: 24px; }

  /* FAQ */
  .faq-list { max-width: 700px; }
  .faq-question { padding: 18px 20px; font-size: 0.95rem; }
  .faq-item.open .faq-answer { padding: 0 20px 18px; }

  /* Newsletter */
  .newsletter-box { padding: 48px 32px; }
  .newsletter-box h2 { font-size: 1.5rem; }

  /* Footer */
  .footer-grid { gap: 32px; }
}

/* ============================================
   Responsive — Mobile (< 768px)
   ============================================ */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-container { padding: 0 20px; }

  /* ---- Navigation ---- */
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.active { display: flex; }

  .nav-links a {
    padding: 14px 24px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:last-child { border-bottom: none; }
  .nav-links a::after { display: none; }

  .nav-toggle { display: flex; }

  .github-stars { padding: 5px 10px; font-size: 0.8rem; }
  .github-stars svg { width: 14px; height: 14px; }

  /* ---- Hero ---- */
  .hero {
    padding: 90px 0 48px;
    min-height: auto;
  }

  .hero-glow {
    width: 400px;
    height: 400px;
    top: -100px;
    opacity: 0.4;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 5px 16px;
    margin-bottom: 24px;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    line-height: 1.25;
    margin-bottom: 20px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 32px;
  }

  .hero-actions {
    gap: 12px;
    margin-bottom: 40px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    max-width: 100%;
  }

  .stat {
    padding: 16px 12px;
    border-radius: var(--radius-sm);
  }

  .stat-value { font-size: 1.4rem; }
  .stat-suffix { font-size: 1.1rem; }
  .stat-label { font-size: 0.72rem; }

  /* ---- Sections ---- */
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }
  .section-title {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
    line-height: 1.3;
  }
  .section-desc {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  /* ---- Story ---- */
  .story-grid { gap: 28px; }

  .story-sidebar {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .story-content p {
    font-size: 0.95rem;
    margin-bottom: 16px;
  }

  .story-quote {
    padding: 20px 20px;
    margin: 24px 0;
  }

  .story-quote p {
    font-size: 1rem !important;
  }

  .info-card {
    padding: 22px;
    border-radius: var(--radius-md);
  }

  .info-card h3 { font-size: 1rem; margin-bottom: 16px; }

  .creator { gap: 12px; }
  .creator-avatar { width: 40px; height: 40px; font-size: 0.8rem; }

  /* ---- Benchmarks ---- */
  .benchmark-grid { grid-template-columns: 1fr; gap: 16px; }

  .benchmark-card {
    padding: 24px;
    border-radius: var(--radius-md);
  }

  .benchmark-card h3 { font-size: 1rem; }

  .benchmark-card li {
    font-size: 0.88rem;
    padding-left: 16px;
    margin-bottom: 10px;
  }

  .benchmark-icon { width: 40px; height: 40px; font-size: 1.2rem; }

  .benchmark-verdict {
    padding: 24px;
    border-radius: var(--radius-md);
  }

  .benchmark-verdict h3 { font-size: 1rem; }
  .benchmark-verdict p { font-size: 0.9rem; }

  /* ---- Reactions ---- */
  .reactions-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .reaction-card { padding: 20px; border-radius: var(--radius-md); }

  .reaction-header { gap: 10px; margin-bottom: 12px; }
  .reaction-avatar { width: 36px; height: 36px; font-size: 0.72rem; }
  .reaction-header strong { font-size: 0.85rem; }
  .reaction-handle { font-size: 0.75rem; }
  .reaction-badge { font-size: 0.68rem; padding: 2px 8px; }
  .reaction-card p { font-size: 0.9rem; }

  /* ---- Architecture ---- */
  .architecture-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 40px;
  }

  .arch-card {
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }

  .arch-icon { font-size: 2rem; margin-bottom: 10px; }
  .arch-card h3 { font-size: 0.95rem; margin-bottom: 6px; }
  .arch-card p { font-size: 0.82rem; }

  /* ---- Comparison Table ---- */
  .comparison-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .comparison-table {
    min-width: 480px;
    border-radius: var(--radius-md);
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 14px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .table-title { font-size: 1.1rem; margin-bottom: 16px; }
  .table-footnote { font-size: 0.78rem; }

  /* ---- Quiz ---- */
  .quiz-container {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    max-width: 100%;
  }

  .quiz-question { font-size: 1.05rem; margin-bottom: 20px; }
  .quiz-counter { font-size: 0.8rem; }

  .quiz-option {
    padding: 14px 16px;
    font-size: 0.9rem;
    min-height: 48px;
  }

  .quiz-options { gap: 10px; }

  .quiz-result { max-width: 100%; }

  .result-card {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .result-card h3 { font-size: 1.3rem; }
  .result-feature { font-size: 0.8rem; padding: 5px 12px; }

  /* ---- Pulse ---- */
  .pulse-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 36px;
  }

  .pulse-card {
    padding: 18px 14px;
    border-radius: var(--radius-md);
  }

  .pulse-icon { font-size: 1.3rem; margin-bottom: 6px; }
  .pulse-value { font-size: 1.4rem; }
  .pulse-label { font-size: 0.82rem; }
  .pulse-trend { font-size: 0.72rem; }

  .issues-list h3 { font-size: 1.05rem; margin-bottom: 16px; }

  .issue-item {
    padding: 12px 14px;
    gap: 10px;
    flex-wrap: wrap;
  }

  .issue-number { font-size: 0.78rem; }
  .issue-title { font-size: 0.82rem; min-width: 0; }
  .issue-tag { font-size: 0.68rem; }

  /* ---- Setup ---- */
  .setup-steps { max-width: 100%; gap: 20px; }
  .setup-step { gap: 16px; }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .step-content h3 { font-size: 1rem; margin-bottom: 10px; }
  .step-content > p { font-size: 0.85rem; }

  .code-block {
    padding: 12px 14px;
    gap: 8px;
    border-radius: var(--radius-sm);
  }

  .code-block code { font-size: 0.85rem; }
  .copy-btn { padding: 4px 10px; font-size: 0.75rem; }

  /* ---- Explore ---- */
  .explore-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .explore-card {
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .explore-icon { font-size: 1.6rem; margin-bottom: 8px; }
  .explore-card h3 { font-size: 0.9rem; margin-bottom: 4px; }
  .explore-card p { font-size: 0.8rem; }

  /* ---- FAQ ---- */
  .faq-list { max-width: 100%; }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.9rem;
    gap: 12px;
    min-height: 48px;
  }

  .faq-toggle { font-size: 1.2rem; margin-left: 12px; }

  .faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 18px 16px;
  }

  .faq-answer p { font-size: 0.88rem; line-height: 1.65; }

  /* ---- Newsletter ---- */
  .newsletter-box {
    padding: 36px 20px;
    border-radius: var(--radius-lg);
  }

  .newsletter-box h2 { font-size: 1.3rem; }
  .newsletter-box > p { font-size: 0.9rem; }

  .newsletter-form {
    flex-direction: column;
    max-width: 100%;
  }

  .newsletter-form input {
    padding: 14px 16px;
    font-size: 0.9rem;
  }

  .newsletter-form .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }

  /* ---- Footer ---- */
  .footer { padding: 48px 0 32px; }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
    margin-bottom: 36px;
  }

  .footer-col h4 { font-size: 0.8rem; margin-bottom: 12px; }
  .footer-col a { font-size: 0.85rem; }
  .footer-col li { margin-bottom: 8px; }

  .footer-bottom p { font-size: 0.8rem; }

  /* ---- Buttons general ---- */
  .btn { font-size: 0.9rem; padding: 12px 24px; min-height: 44px; }
  .btn-sm { padding: 10px 18px; font-size: 0.82rem; min-height: 40px; }
}

/* ============================================
   Responsive — Small Mobile (< 480px)
   ============================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-container { padding: 0 16px; }

  /* Hero */
  .hero { padding: 80px 0 40px; }

  .hero-glow { width: 300px; height: 300px; opacity: 0.3; }

  .hero-title {
    font-size: 1.35rem;
    line-height: 1.3;
  }

  .hero-subtitle { font-size: 0.88rem; }
  .hero-badge { font-size: 0.72rem; padding: 4px 12px; }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat { padding: 14px 10px; }
  .stat-value { font-size: 1.2rem; }
  .stat-suffix { font-size: 0.9rem; }
  .stat-label { font-size: 0.68rem; }

  /* Sections */
  .section { padding: 44px 0; }
  .section-header { margin-bottom: 28px; }
  .section-title { font-size: 1.2rem; line-height: 1.35; }
  .section-desc { font-size: 0.85rem; }

  /* Architecture — single column on small phones */
  .architecture-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .arch-card {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 16px 18px;
  }

  .arch-icon { font-size: 1.8rem; margin-bottom: 0; flex-shrink: 0; }

  .arch-card h3 { font-size: 0.9rem; margin-bottom: 2px; }
  .arch-card p { font-size: 0.8rem; }

  /* Pulse — 2x2 stays fine */
  .pulse-card { padding: 14px 10px; }
  .pulse-value { font-size: 1.2rem; }
  .pulse-label { font-size: 0.75rem; }
  .pulse-trend { font-size: 0.68rem; }

  /* Explore — single column */
  .explore-grid { grid-template-columns: 1fr; gap: 10px; }

  .explore-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
  }

  .explore-icon { font-size: 1.5rem; margin-bottom: 0; flex-shrink: 0; }
  .explore-card h3 { font-size: 0.88rem; margin-bottom: 2px; }
  .explore-card p { font-size: 0.78rem; }

  /* Footer — single column */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* Reactions — tighter */
  .reaction-card { padding: 16px; }
  .reaction-card p { font-size: 0.85rem; }

  /* Setup */
  .setup-step { gap: 12px; }
  .step-number { width: 36px; height: 36px; font-size: 0.9rem; }

  .code-block { padding: 10px 12px; }
  .code-block code { font-size: 0.8rem; }

  /* FAQ */
  .faq-question { padding: 14px 16px; font-size: 0.85rem; }
  .faq-answer p { font-size: 0.82rem; }

  /* Newsletter */
  .newsletter-box { padding: 28px 16px; }
  .newsletter-box h2 { font-size: 1.15rem; }

  /* Story */
  .story-quote { padding: 16px; }
  .story-quote p { font-size: 0.92rem !important; }
  .story-quote cite { font-size: 0.8rem; }
  .story-content p { font-size: 0.88rem; }

  /* Benchmark */
  .benchmark-card { padding: 20px; }
  .benchmark-card h3 { font-size: 0.92rem; }
  .benchmark-card li { font-size: 0.82rem; }
  .benchmark-verdict { padding: 20px; }
  .benchmark-verdict p { font-size: 0.85rem; }
}

/* ============================================
   Responsive — Landscape phones
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: 600px;
  }

  .stat { padding: 12px 8px; }
  .stat-value { font-size: 1.2rem; }
  .stat-label { font-size: 0.65rem; }
}

/* ============================================
   Touch-friendly tap targets
   ============================================ */
@media (pointer: coarse) {
  .btn { min-height: 48px; }
  .btn-sm { min-height: 44px; }
  .faq-question { min-height: 52px; }
  .quiz-option { min-height: 52px; }
  .nav-links a { min-height: 48px; display: flex; align-items: center; }
  .copy-btn { min-height: 36px; padding: 6px 14px; }
  .issue-item { min-height: 48px; }
  .nav-toggle { padding: 8px; }
  .nav-toggle span { width: 26px; height: 2.5px; }
}

/* ============================================
   iPad-specific (landscape + portrait)
   ============================================ */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .reactions-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) and (max-width: 1180px) and (orientation: landscape) {
  .story-grid { grid-template-columns: 1fr 320px; gap: 32px; }
  .story-sidebar {
    display: flex;
    flex-direction: column;
  }
}

/* ============================================
   Safe area (notch phones)
   ============================================ */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer { padding-bottom: calc(32px + env(safe-area-inset-bottom)); }
  .navbar { padding-top: env(safe-area-inset-top); }
  .nav-container { height: calc(64px + env(safe-area-inset-top)); }
  .hero { padding-top: calc(100px + env(safe-area-inset-top)); }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Selection */
::selection {
  background: rgba(124, 92, 252, 0.3);
  color: var(--text-primary);
}