/* ============================================================
   DocsKing Marketing Site - Styles
   Modern, professional, dark-themed SaaS landing page
   ============================================================ */

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

:root {
  --color-bg: #0B0F1A;
  --color-bg-alt: #111827;
  --color-bg-card: #151C2C;
  --color-bg-card-hover: #1A2337;
  --color-border: #1E293B;
  --color-border-light: #334155;
  --color-text: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-text-dim: #64748B;
  --color-primary: #3B82F6;
  --color-primary-hover: #2563EB;
  --color-primary-light: rgba(59, 130, 246, 0.1);
  --color-accent: #FBBF24;
  --color-accent-hover: #F59E0B;
  --color-green: #22C55E;
  --color-red: #EF4444;
  --color-purple: #A855F7;
  --color-teal: #14B8A6;
  --color-pink: #EC4899;
  --color-indigo: #6366F1;
  --color-amber: #F59E0B;
  --color-orange: #F97316;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --transition: 0.2s ease;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}
.btn-outline:hover {
  background: var(--color-bg-card);
  color: #fff;
  border-color: var(--color-text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding: 10px 16px;
}
.btn-ghost:hover { color: #fff; background: rgba(255,255,255,0.05); }

.btn-white {
  background: #fff;
  color: var(--color-bg);
  border-color: #fff;
}
.btn-white:hover {
  background: #f1f5f9;
  color: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255,255,255,0.2);
}

.btn-lg { padding: 14px 32px; font-size: 1.0625rem; border-radius: var(--radius-md); }
.btn-block { width: 100%; }

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo svg { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.05); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 49;
  padding: 100px 24px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { border-bottom: 1px solid var(--color-border); }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
}
.mobile-menu-actions { display: flex; flex-direction: column; gap: 12px; padding-top: 24px; border-bottom: none !important; }

/* === Hero === */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-gradient {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.12) 0%, rgba(99, 102, 241, 0.06) 40%, transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 41, 59, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 59, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center top, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center top, black 30%, transparent 70%);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-note {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

/* Hero Visual / App Mockup */
.hero-visual {
  position: relative;
}

.hero-window {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.hero-window:hover { transform: perspective(1200px) rotateY(-1deg) rotateX(1deg); }

.window-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #EF4444; }
.dot.yellow { background: #FBBF24; }
.dot.green { background: #22C55E; }

.window-content {
  display: flex;
  min-height: 320px;
}

.mock-sidebar {
  width: 180px;
  padding: 16px 12px;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mock-sidebar-item {
  height: 28px;
  background: var(--color-border);
  border-radius: 6px;
  opacity: 0.5;
}
.mock-sidebar-item.active { background: var(--color-primary); opacity: 0.8; }
.mock-sidebar-item.short { width: 70%; }
.mock-sidebar-divider { height: 1px; background: var(--color-border); margin: 8px 0; }

.mock-main { flex: 1; padding: 16px; }
.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.mock-title { width: 120px; height: 20px; background: var(--color-border); border-radius: 4px; }
.mock-actions { display: flex; gap: 8px; }
.mock-btn { width: 60px; height: 28px; background: var(--color-border); border-radius: 6px; }
.mock-btn.accent { background: var(--color-primary); opacity: 0.7; }

.mock-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.mock-card {
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.mock-card-icon { width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0; }
.mock-card-icon.blue { background: rgba(59,130,246,0.2); }
.mock-card-icon.green { background: rgba(34,197,94,0.2); }
.mock-card-icon.purple { background: rgba(168,85,247,0.2); }
.mock-card-icon.amber { background: rgba(245,158,11,0.2); }
.mock-card-lines { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.mock-card-lines div { height: 8px; background: var(--color-border); border-radius: 3px; }
.mock-card-lines .short { width: 60%; }

.mock-table { display: flex; flex-direction: column; gap: 4px; }
.mock-table-row {
  height: 28px;
  background: var(--color-bg-alt);
  border-radius: 4px;
}
.mock-table-row.header {
  background: var(--color-border);
  opacity: 0.7;
}

/* === Social Proof === */
.social-proof {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.social-proof-text {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 24px;
}
.social-proof-text strong { color: var(--color-text); }

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}
.trust-badge svg { stroke: var(--color-primary); }

/* === Section Shared === */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}
.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* === Features === */
.features {
  padding: 120px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: var(--color-border-light);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon.blue { background: rgba(59,130,246,0.12); color: var(--color-primary); }
.feature-icon.green { background: rgba(34,197,94,0.12); color: var(--color-green); }
.feature-icon.purple { background: rgba(168,85,247,0.12); color: var(--color-purple); }
.feature-icon.amber { background: rgba(245,158,11,0.12); color: var(--color-amber); }
.feature-icon.red { background: rgba(239,68,68,0.12); color: var(--color-red); }
.feature-icon.teal { background: rgba(20,184,166,0.12); color: var(--color-teal); }
.feature-icon.pink { background: rgba(236,72,153,0.12); color: var(--color-pink); }
.feature-icon.indigo { background: rgba(99,102,241,0.12); color: var(--color-indigo); }
.feature-icon.orange { background: rgba(249,115,22,0.12); color: var(--color-orange); }
.feature-icon svg { stroke: currentColor; }

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* === How It Works === */
.how-it-works {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.step {
  text-align: center;
  max-width: 300px;
  padding: 0 24px;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-indigo));
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(59,130,246,0.2);
}
.step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.step-connector {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-border));
  margin-top: 28px;
  flex-shrink: 0;
}

/* === Comparison === */
.comparison {
  padding: 120px 0;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 640px;
}
.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.comparison-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.comparison-table td:first-child,
.comparison-table th:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--color-text);
}
.comparison-table th.highlight {
  color: var(--color-primary);
  background: rgba(59,130,246,0.05);
}
.comparison-table td.highlight {
  background: rgba(59,130,246,0.03);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr { background: var(--color-bg-card); }
.comparison-table tbody tr:hover { background: var(--color-bg-card-hover); }

.check { color: var(--color-green); font-size: 1.25rem; font-weight: 700; }
.cross { color: var(--color-red); font-size: 1.25rem; opacity: 0.6; }
.partial { color: var(--color-amber); font-size: 1.125rem; }
.check-label { color: var(--color-green); font-size: 0.8125rem; font-weight: 600; }
.cross-label { color: var(--color-text-dim); font-size: 0.8125rem; }

/* === Pricing === */
.pricing {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}
.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card-header { margin-bottom: 28px; }
.pricing-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.price {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}
.period { color: var(--color-text-muted); font-size: 1rem; }

.pricing-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 28px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}
.pricing-features li:last-child { border-bottom: none; }
.check-icon { color: var(--color-green); font-weight: 700; flex-shrink: 0; }

.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

/* === FAQ === */
.faq {
  padding: 120px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; }

.faq-item summary h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  margin: 0;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  position: relative;
  flex-shrink: 0;
  margin-left: 16px;
  transition: all var(--transition);
}
.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 1px;
  transition: all 0.3s ease;
}
.faq-toggle::before { transform: translate(-50%, -50%); }
.faq-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-toggle::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-item[open] .faq-toggle { background: var(--color-primary-light); border-color: var(--color-primary); }

.faq-item p {
  padding: 0 0 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* === CTA === */
.cta {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-indigo) 100%);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-actions { display: flex; justify-content: center; gap: 16px; }

/* === Footer === */
.site-footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 16px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

/* === Animations === */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger feature cards */
.feature-card.animate-in:nth-child(2) { transition-delay: 0.1s; }
.feature-card.animate-in:nth-child(3) { transition-delay: 0.2s; }
.feature-card.animate-in:nth-child(4) { transition-delay: 0.05s; }
.feature-card.animate-in:nth-child(5) { transition-delay: 0.15s; }
.feature-card.animate-in:nth-child(6) { transition-delay: 0.25s; }
.feature-card.animate-in:nth-child(7) { transition-delay: 0.1s; }
.feature-card.animate-in:nth-child(8) { transition-delay: 0.2s; }
.feature-card.animate-in:nth-child(9) { transition-delay: 0.3s; }

.pricing-card.animate-in:nth-child(2) { transition-delay: 0.1s; }
.pricing-card.animate-in:nth-child(3) { transition-delay: 0.2s; }

/* === Responsive === */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero h1 { font-size: 2.75rem; }
  .hero-content { max-width: 600px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-cards { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .hero { padding: 120px 0 80px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1.0625rem; }
  .section-header h2 { font-size: 2rem; }
  .nav-links, .nav-actions { display: none; }
  .mobile-menu-btn { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .step-connector { width: 2px; height: 40px; background: linear-gradient(180deg, var(--color-primary), var(--color-border)); margin: 0; }
  .pricing-cards { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .comparison-table { min-width: 580px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-content h2 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.875rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .section-header h2 { font-size: 1.75rem; }
  .trust-badges { flex-direction: column; align-items: center; gap: 16px; }
}

/* === Print === */
@media print {
  .site-header, .mobile-menu, .hero-bg, .cta, .btn { display: none; }
  body { background: #fff; color: #000; }
  .hero { padding: 40px 0; }
  .feature-card, .pricing-card { break-inside: avoid; }
}