/* ============================================
   Nemo Claw AI Guide — Design System
   Teal-accent dark theme, editorial style
   ============================================ */

:root {
  --green: #76b900;
  --green-light: #8fd400;
  --green-dark: #5a8f00;
  --green-glow: rgba(118, 185, 0, 0.15);
  --green-glow-strong: rgba(118, 185, 0, 0.3);

  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: rgba(20, 20, 20, 0.85);
  --bg-card-hover: rgba(28, 28, 28, 0.9);

  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-tertiary: #666666;

  --border: rgba(34, 34, 34, 0.8);
  --border-light: rgba(42, 42, 42, 0.9);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 50px var(--green-glow);

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

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: #000;
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  box-shadow: 0 0 24px var(--green-glow-strong);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  padding: 8px 16px;
  font-size: 13px;
}

.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-tertiary); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-block { display: flex; justify-content: center; width: 100%; }

/* ============================================
   Navigation — slimmer, glass-style
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.navbar.scrolled { border-bottom-color: var(--border); }

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
}

.logo-icon { color: var(--green); }

.nav-links { display: flex; gap: 24px; }

.nav-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links a:hover { color: var(--green); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   Hero — left-aligned editorial style
   ============================================ */
.hero {
  position: relative;
  padding: 150px 0 90px;
  text-align: center;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(118, 185, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(118, 185, 0, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 10%, transparent 65%);
}

.hero-glow {
  position: absolute;
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 185, 0, 0.08) 0%, rgba(118, 185, 0, 0.03) 40%, transparent 65%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid rgba(118, 185, 0, 0.2);
  border-radius: 100px;
  font-size: 12px;
  color: var(--green);
  margin-bottom: 28px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green-glow-strong); }
  50% { opacity: 0.4; box-shadow: none; }
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 50%, #a0e040 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

/* Terminal */
.hero-terminal {
  max-width: 580px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(17, 17, 17, 0.9);
  border: 1px solid var(--border-light);
  text-align: left;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(118, 185, 0, 0.06);
  backdrop-filter: blur(10px);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.terminal-dots { display: flex; gap: 7px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title { font-size: 11px; color: var(--text-tertiary); font-family: var(--font-mono); }
.terminal-body { padding: 18px 20px; font-family: var(--font-mono); font-size: 14px; min-height: 56px; }
.terminal-line { display: flex; align-items: center; gap: 8px; }
.terminal-prompt { color: var(--green); font-weight: 600; }
.terminal-cmd { color: var(--text-primary); }
.terminal-cursor { color: var(--green); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================
   Stats Bar — glass strip
   ============================================ */
.stats {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(10px);
}

.stats-grid { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 34px; font-weight: 800; color: var(--green); letter-spacing: -0.02em; }
.stat-suffix { font-size: 22px; font-weight: 700; color: var(--green); }
.stat-label { display: block; font-size: 11px; color: var(--text-tertiary); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* ============================================
   Sections
   ============================================ */
.section { padding: 96px 0; }
.section-dark { background: var(--bg-secondary); }

.section-header { text-align: center; margin-bottom: 56px; }

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(118, 185, 0, 0.1);
  color: var(--green);
  border: 1px solid rgba(118, 185, 0, 0.15);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.section-header h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   Overview Grid — glass cards
   ============================================ */
.overview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.overview-card {
  padding: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.overview-card:hover {
  border-color: rgba(118, 185, 0, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(118, 185, 0, 0.08);
}

.overview-main { grid-column: span 2; }

.overview-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid rgba(118, 185, 0, 0.15);
  border-radius: var(--radius-md);
  color: var(--green);
  margin-bottom: 18px;
}

.overview-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.overview-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ============================================
   Features Grid — 3-column on desktop
   ============================================ */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.feature-card {
  padding: 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.feature-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 32px var(--green-glow), inset 0 0 0 1px rgba(118, 185, 0, 0.1);
  transform: translateY(-4px);
}

.feature-icon-wrap {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid rgba(118, 185, 0, 0.12);
  border-radius: var(--radius-sm);
  color: var(--green);
  margin-bottom: 14px;
}

.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* ============================================
   Steps / Quick Start
   ============================================ */
.steps-grid { display: flex; align-items: flex-start; gap: 14px; justify-content: center; }

.step-card {
  flex: 1;
  max-width: 340px;
  padding: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.step-card:hover { border-color: var(--green); box-shadow: var(--shadow-glow); }

.step-number {
  font-size: 44px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--green), rgba(118, 185, 0, 0.2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}

.step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }

.step-code {
  background: var(--bg-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  overflow-x: auto;
}

.step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  padding-top: 60px;
  flex-shrink: 0;
}

/* ============================================
   Install Section
   ============================================ */
.install-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }

.install-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; backdrop-filter: blur(8px); }
.install-tab-header { display: flex; border-bottom: 1px solid var(--border); }

.install-tab {
  flex: 1; padding: 13px; background: none; border: none;
  color: var(--text-tertiary); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  border-bottom: 2px solid transparent; font-family: var(--font-sans);
}

.install-tab:hover { color: var(--text-secondary); }
.install-tab.active { color: var(--green); border-bottom-color: var(--green); background: rgba(118, 185, 0, 0.04); }
.install-content { display: none; }
.install-content.active { display: block; }
.code-block { font-family: var(--font-mono); font-size: 13px; }
.code-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: var(--bg-tertiary); border-bottom: 1px solid var(--border); font-size: 11px; color: var(--text-tertiary); }

.copy-btn {
  display: flex; align-items: center; gap: 6px; background: none;
  border: 1px solid var(--border); color: var(--text-tertiary);
  padding: 4px 10px; border-radius: 100px; font-size: 11px;
  cursor: pointer; transition: all var(--transition); font-family: var(--font-sans);
}

.copy-btn:hover { color: var(--text-primary); border-color: var(--text-tertiary); }
.code-block pre { padding: 18px; overflow-x: auto; line-height: 2; }
.code-block code { color: var(--text-primary); }
.code-comment { color: var(--text-tertiary); }
.code-prompt { color: var(--green); font-weight: 600; }

.install-info { padding: 26px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); backdrop-filter: blur(8px); }
.install-info h3 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.install-info h3:not(:first-child) { margin-top: 22px; }
.requirements-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.requirements-list li { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); }

.hardware-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.hw-badge { padding: 4px 14px; background: rgba(118, 185, 0, 0.1); border: 1px solid rgba(118, 185, 0, 0.15); color: var(--green); border-radius: 100px; font-size: 11px; font-weight: 600; }

/* ============================================
   Use Cases — gradient border on hover
   ============================================ */
.usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.usecase-card {
  padding: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
  position: relative;
}

.usecase-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(118, 185, 0, 0.1);
}

.usecase-icon {
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid rgba(118, 185, 0, 0.12);
  border-radius: var(--radius-md);
  color: var(--green);
  margin-bottom: 18px;
}

.usecase-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.usecase-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* ============================================
   Ecosystem
   ============================================ */
.ecosystem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 44px; }

.eco-card {
  padding: 22px 14px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); text-align: center; transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.eco-card:hover { border-color: var(--green); background: var(--bg-card-hover); }
.eco-name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.eco-desc { font-size: 11px; color: var(--text-tertiary); }

.partners-section { text-align: center; }
.partners-section h3 { font-size: 13px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 22px; }
.partners-grid { display: flex; justify-content: center; gap: 36px; flex-wrap: wrap; }
.partner-name { font-size: 17px; font-weight: 600; color: var(--text-tertiary); transition: color var(--transition); }
.partner-name:hover { color: var(--green); }

/* ============================================
   Comparison Table — teal accent
   ============================================ */
.comparison-table-wrap { overflow-x: auto; margin-bottom: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--bg-card); }
.comparison-table th, .comparison-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.comparison-table thead th { background: var(--bg-tertiary); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
.comparison-table thead th.highlight { color: var(--green); background: rgba(118, 185, 0, 0.06); }
.comparison-table td.highlight { color: var(--green); font-weight: 600; background: rgba(118, 185, 0, 0.03); }
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover { background: var(--bg-card-hover); }
.comparison-note { font-size: 14px; color: var(--text-tertiary); line-height: 1.75; max-width: 800px; margin: 0 auto; text-align: center; }

/* ============================================
   Pricing — glass cards
   ============================================ */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }

.pricing-card {
  padding: 34px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  backdrop-filter: blur(8px);
}

.pricing-card.featured {
  border-color: var(--green);
  box-shadow: 0 0 48px var(--green-glow), inset 0 1px 0 rgba(118, 185, 0, 0.2);
  transform: scale(1.04);
}

.pricing-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  padding: 4px 18px; background: var(--green); color: #000;
  font-size: 11px; font-weight: 700; border-radius: 100px; white-space: nowrap;
}

.pricing-tier { font-size: 15px; font-weight: 600; color: var(--text-secondary); margin-bottom: 14px; }
.pricing-price { margin-bottom: 10px; }
.price-amount { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; }
.price-period { font-size: 14px; color: var(--text-tertiary); }
.pricing-desc { font-size: 13px; color: var(--text-tertiary); margin-bottom: 22px; line-height: 1.5; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; }
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); }

/* ============================================
   FAQ
   ============================================ */
.faq-list { max-width: 740px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
  backdrop-filter: blur(8px);
}

.faq-item.active { border-color: rgba(118, 185, 0, 0.25); }

.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 17px 22px; background: none; border: none;
  color: var(--text-primary); font-size: 14px; font-weight: 600;
  cursor: pointer; text-align: left; font-family: var(--font-sans);
  transition: color var(--transition);
}

.faq-question:hover { color: var(--green); }
.faq-chevron { flex-shrink: 0; transition: transform var(--transition); color: var(--text-tertiary); }
.faq-item.active .faq-chevron { transform: rotate(180deg); color: var(--green); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); }
.faq-answer p { padding: 0 22px 17px; font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ============================================
   CTA Section — gradient glow
   ============================================ */
.cta-section { text-align: center; background: var(--bg-primary); position: relative; overflow: hidden; }

.cta-section::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 185, 0, 0.06) 0%, rgba(118, 185, 0, 0.02) 40%, transparent 65%);
  pointer-events: none;
}

.cta-content { position: relative; }
.cta-content h2 { font-size: clamp(26px, 3.8vw, 38px); font-weight: 700; margin-bottom: 14px; }
.cta-content p { font-size: 16px; color: var(--text-secondary); margin-bottom: 30px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
.cta-links { display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; }
.cta-links a { color: var(--text-tertiary); font-size: 13px; transition: color var(--transition); }
.cta-links a:hover { color: var(--green); }
.cta-divider { color: var(--border-light); }

/* ============================================
   Footer
   ============================================ */
.footer { border-top: 1px solid var(--border); padding: 56px 0 28px; background: var(--bg-secondary); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 36px; }
.footer-brand p { margin-top: 12px; font-size: 13px; color: var(--text-tertiary); line-height: 1.65; max-width: 260px; }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); margin-bottom: 4px; }
.footer-links a { font-size: 13px; color: var(--text-tertiary); transition: color var(--transition); }
.footer-links a:hover { color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; border-top: 1px solid var(--border); }
.footer-bottom p { font-size: 12px; color: var(--text-tertiary); }
.footer-legal { display: flex; gap: 18px; }
.footer-legal a { font-size: 12px; color: var(--text-tertiary); transition: color var(--transition); }
.footer-legal a:hover { color: var(--text-secondary); }

/* ============================================
   Video Carousel
   ============================================ */
.video-carousel-wrap { position: relative; display: flex; align-items: center; gap: 14px; }
.video-carousel { overflow: hidden; border-radius: var(--radius-lg); flex: 1; }
.video-track { display: flex; transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); will-change: transform; }
.video-slide { min-width: 100%; padding: 0 4px; box-sizing: border-box; }
.video-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg-card); transition: border-color var(--transition); }
.video-card:hover { border-color: rgba(118, 185, 0, 0.25); }
.video-player { position: relative; width: 100%; padding-bottom: 56.25%; background: #000; cursor: pointer; overflow: hidden; }
.video-player iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.video-thumb { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease, opacity 0.3s ease; }
.video-player:hover .video-thumb { transform: scale(1.04); }

.video-play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: none; border: none; cursor: pointer; z-index: 2;
  opacity: 0.85; transition: opacity var(--transition), transform var(--transition);
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.6));
}

.video-player:hover .video-play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
.video-player.playing .video-thumb, .video-player.playing .video-play-btn { opacity: 0; pointer-events: none; }

.carousel-arrow {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); z-index: 2;
}

.carousel-arrow:hover { background: var(--bg-card-hover); border-color: var(--green); color: var(--green); box-shadow: 0 0 24px var(--green-glow); }
.carousel-arrow:disabled { opacity: 0.3; cursor: not-allowed; box-shadow: none; border-color: var(--border); color: var(--text-tertiary); }

.carousel-dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-light); border: none; cursor: pointer; transition: all var(--transition); padding: 0; }
.carousel-dot:hover { background: var(--text-tertiary); }
.carousel-dot.active { background: var(--green); box-shadow: 0 0 8px var(--green-glow-strong); width: 24px; border-radius: 100px; }

/* ============================================
   Animations
   ============================================ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   Mobile Navigation Overlay
   ============================================ */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  padding: 24px 28px 40px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu-overlay.open { display: flex; }

.mobile-menu-overlay .mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 28px;
}

.mobile-menu-overlay .mobile-nav-links a {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-menu-overlay .mobile-nav-links a:hover,
.mobile-menu-overlay .mobile-nav-links a:active {
  color: var(--green);
}

.mobile-menu-overlay .mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu-overlay .mobile-nav-actions .btn {
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
}

/* ============================================
   Responsive — Tablet (1024px)
   ============================================ */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }

  .nav-links { gap: 16px; }
  .nav-links a { font-size: 12px; }

  .hero { padding: 140px 0 80px; }
  .hero-title { font-size: clamp(32px, 5vw, 56px); }
  .hero-desc { font-size: 16px; }

  .section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(3, 1fr); }
  .install-grid { grid-template-columns: 1fr; }

  .pricing-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .pricing-card { padding: 28px; }
  .pricing-card.featured { transform: scale(1.02); }
  .price-amount { font-size: 34px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: span 2; }

  .comparison-table { font-size: 12px; }
  .comparison-table th, .comparison-table td { padding: 11px 14px; }
}

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

  /* Nav: hide desktop links, show hamburger */
  .nav-links, .nav-actions { display: none; }
  .nav-toggle { display: flex; }

  /* Hero */
  .hero { padding: 110px 0 56px; min-height: auto; }
  .hero-title { font-size: 30px; letter-spacing: -0.02em; }
  .hero-desc { font-size: 15px; max-width: 100%; }
  .hero-actions { margin-bottom: 36px; gap: 12px; }
  .hero-terminal { max-width: 100%; }
  .terminal-body { font-size: 13px; padding: 14px 16px; }

  /* Sections */
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: clamp(22px, 5vw, 32px); }
  .section-header p { font-size: 15px; }

  /* Grids → single column */
  .overview-grid { grid-template-columns: 1fr; gap: 14px; }
  .overview-main { grid-column: span 1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .usecases-grid { grid-template-columns: 1fr; gap: 14px; }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pricing-grid { grid-template-columns: 1fr; gap: 14px; }
  .pricing-card.featured { transform: none; }

  /* Steps */
  .steps-grid { flex-direction: column; align-items: stretch; gap: 12px; }
  .step-connector { padding-top: 0; transform: rotate(90deg); }
  .step-card { max-width: 100%; width: 100%; }

  /* Footer */
  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: span 2; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* Carousel */
  .video-carousel-wrap { gap: 8px; }
  .carousel-arrow { width: 36px; height: 36px; }
  .carousel-arrow svg { width: 18px; height: 18px; }
  .carousel-dots { margin-top: 16px; gap: 8px; }

  /* Comparison table: smooth iOS scroll */
  .comparison-table-wrap { -webkit-overflow-scrolling: touch; }
  .comparison-table { font-size: 12px; min-width: 580px; }
  .comparison-table th, .comparison-table td { padding: 10px 12px; white-space: nowrap; }

  /* CTA */
  .cta-content h2 { font-size: clamp(22px, 5vw, 32px); }
  .cta-content p { font-size: 15px; }

  /* FAQ */
  .faq-question { padding: 15px 18px; font-size: 14px; }
  .faq-answer p { padding: 0 18px 15px; }
}

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

  /* Hero */
  .hero { padding: 100px 0 40px; }
  .hero-title { font-size: 24px; line-height: 1.15; }
  .hero-badge { font-size: 10px; padding: 6px 12px; gap: 6px; }
  .hero-desc { font-size: 14px; margin-bottom: 24px; line-height: 1.7; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn-lg { width: 100%; justify-content: center; padding: 13px 24px; }
  .hero-terminal { border-radius: var(--radius-md); }
  .terminal-body { font-size: 12px; padding: 12px 14px; min-height: 44px; }
  .terminal-header { padding: 8px 12px; }

  /* Sections */
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 28px; }
  .section-header h2 { font-size: 20px; }
  .section-header p { font-size: 13px; }
  .section-tag { font-size: 10px; padding: 4px 12px; }

  /* Cards — compact padding */
  .overview-card { padding: 20px; }
  .overview-card h3 { font-size: 16px; }
  .overview-card p { font-size: 13px; }
  .overview-icon { width: 44px; height: 44px; margin-bottom: 14px; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 18px; }
  .feature-card h3 { font-size: 14px; }
  .feature-card p { font-size: 12px; }
  .feature-icon-wrap { width: 36px; height: 36px; margin-bottom: 10px; }

  .usecase-card { padding: 20px; }
  .usecase-card h3 { font-size: 15px; }
  .usecase-icon { width: 42px; height: 42px; margin-bottom: 14px; }

  .step-card { padding: 20px; }
  .step-number { font-size: 36px; }
  .step-card h3 { font-size: 15px; }
  .step-code { font-size: 11px; padding: 8px 10px; }

  /* Pricing */
  .pricing-card { padding: 22px; }
  .price-amount { font-size: 32px; }
  .pricing-features li { font-size: 12px; }

  /* FAQ */
  .faq-question { padding: 13px 14px; font-size: 13px; }
  .faq-answer p { padding: 0 14px 13px; font-size: 12px; }

  /* Carousel — arrows overlaid */
  .video-carousel-wrap { position: relative; gap: 0; }
  .carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: rgba(10, 10, 10, 0.7);
    border: none;
    z-index: 3;
  }
  .carousel-arrow svg { width: 16px; height: 16px; }
  .carousel-arrow.carousel-prev { left: 8px; }
  .carousel-arrow.carousel-next { right: 8px; }

  /* Comparison */
  .comparison-table { min-width: 520px; }
  .comparison-note { font-size: 12px; padding: 0 4px; }

  /* CTA */
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-links { gap: 8px; }
  .cta-links a { font-size: 12px; }

  /* Footer */
  .footer { padding: 32px 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-brand { grid-column: span 1; }
  .footer-brand p { font-size: 12px; }
  .footer-links h4 { font-size: 11px; }
  .footer-links a { font-size: 12px; }
  .footer-bottom p { font-size: 11px; }
  .footer-legal a { font-size: 11px; }

  .partners-grid { gap: 14px; }
  .partner-name { font-size: 13px; }
  .eco-card { padding: 16px 10px; }
  .eco-name { font-size: 13px; }
}