/* ============================================
   AEO Seed - Main Stylesheet
   AI Search Optimization Agency
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---- Variables ---- */
:root {
  /* Colors */
  --c-bg: #0A0E1A;
  --c-bg-alt: #111726;
  --c-surface: #1A2030;
  --c-surface-hover: #222B3D;
  --c-text: #F5F5F7;
  --c-text-secondary: #A0AAB8;
  --c-text-muted: #6B7280;
  --c-accent: #3B82F6;
  --c-accent-hover: #2563EB;
  --c-accent-light: #60A5FA;
  --c-gold: #D4AF37;
  --c-gold-light: #F0D080;
  --c-success: #10B981;
  --c-border: rgba(255, 255, 255, 0.08);
  --c-border-hover: rgba(255, 255, 255, 0.16);
  --c-glass: rgba(255, 255, 255, 0.03);
  --c-glass-hover: rgba(255, 255, 255, 0.06);
  --c-glow: rgba(59, 130, 246, 0.3);

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

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --t-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-default: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-cinema: 1000ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.2);

  /* Layout */
  --container: 1200px;
  --nav-height: 72px;
}

/* ---- Base ---- */
body {
  font-family: var(--font-sans);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--c-text);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { color: var(--c-text-secondary); line-height: 1.7; }
a { color: var(--c-accent-light); transition: color var(--t-fast); }
a:hover { color: var(--c-accent); }
strong { color: var(--c-text); font-weight: 600; }
code { font-family: var(--font-mono); font-size: 0.9em; background: var(--c-glass); padding: 0.15em 0.4em; border-radius: 4px; }

/* ---- Layout ---- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section-alt { background: var(--c-bg-alt); }
.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.text-accent { color: var(--c-accent-light); }
.text-gold { color: var(--c-gold); }
.text-gradient {
  background: linear-gradient(135deg, var(--c-accent-light), var(--c-accent), var(--c-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Section Header ---- */
.section-header { max-width: 760px; margin-bottom: var(--space-xl); }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-accent-light);
  padding: 0.35rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}
.section-title { margin-bottom: var(--space-sm); }
.section-subtitle { font-size: 1.1rem; color: var(--c-text-secondary); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  z-index: 1000;
  transition: background var(--t-default), border-color var(--t-default);
}
.nav.scrolled { background: rgba(10, 14, 26, 0.95); border-bottom-color: var(--c-border-hover); }
.nav-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo .logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-hover));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
  font-weight: 900;
}
.nav-logo .logo-text { background: linear-gradient(135deg, var(--c-text), var(--c-accent-light)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-link:hover { color: var(--c-text); background: var(--c-glass); }
.nav-cta { margin-left: var(--space-sm); }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--t-default), opacity var(--t-fast);
}
.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); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--t-default);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--c-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  background: var(--c-accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}
.btn-secondary {
  background: var(--c-glass);
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-secondary:hover {
  background: var(--c-glass-hover);
  border-color: var(--c-border-hover);
  transform: translateY(-2px);
  color: var(--c-text);
}
.btn-ghost {
  color: var(--c-text-secondary);
  padding: 0.5rem 1rem;
}
.btn-ghost:hover { color: var(--c-text); }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform var(--t-slow);
}
.btn:hover::after { transform: translateX(100%); }

/* ---- Cards ---- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: transform var(--t-default), border-color var(--t-default), background var(--t-default);
}
.card-glass {
  background: var(--c-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all var(--t-default);
}
.card-glass:hover, .card:hover {
  border-color: var(--c-border-hover);
  background: var(--c-surface-hover);
  transform: translateY(-4px);
}
.card-icon {
  width: 48px; height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}
.card h3 { margin-bottom: var(--space-xs); }
.card p { font-size: 0.95rem; }
.card-link {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-accent-light);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--t-fast);
}
.card-link:hover { gap: 0.65rem; color: var(--c-accent); }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(212, 175, 55, 0.04) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { max-width: 640px; }
.hero-title { margin-bottom: var(--space-md); }
.hero-subtitle { font-size: 1.15rem; margin-bottom: var(--space-lg); max-width: 540px; }
.hero-cta { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* Hero search demo animation */
.hero-visual { position: relative; }
.search-demo {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.search-demo::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold), var(--c-accent));
  background-size: 200% 100%;
  animation: gradientShift 3s linear infinite;
}
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  margin-bottom: var(--space-md);
}
.search-bar svg { width: 18px; height: 18px; color: var(--c-text-muted); flex-shrink: 0; }
.search-text { font-size: 0.9rem; color: var(--c-text); }
.search-cursor {
  display: inline-block;
  width: 2px; height: 18px;
  background: var(--c-accent);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
.search-stage { display: none; }
.search-stage.active { display: block; animation: fadeInUp 0.5s ease forwards; }
.search-stage .label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.search-stage .label-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}
.result-item {
  padding: 0.6rem 0.75rem;
  border-left: 2px solid transparent;
  margin-bottom: 0.35rem;
  border-radius: 0 4px 4px 0;
  transition: border-color var(--t-default), background var(--t-default);
}
.result-item.highlighted {
  border-left-color: var(--c-accent);
  background: rgba(59, 130, 246, 0.08);
}
.result-title { font-size: 0.85rem; font-weight: 600; color: var(--c-text); }
.result-url { font-size: 0.75rem; color: var(--c-text-muted); }
.ai-response-box {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
}
.ai-response-text { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.6; }
.ai-citation {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  padding: 0.4rem 0.6rem;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}
.ai-citation .citation-source { font-weight: 600; color: var(--c-accent-light); }
.brand-mention {
  background: rgba(59, 130, 246, 0.12);
  color: var(--c-accent-light);
  padding: 0.05em 0.3em;
  border-radius: 3px;
  font-weight: 600;
}

/* ---- Page Hero (non-homepage) ---- */
.page-hero {
  padding: calc(var(--nav-height) + 3rem) 0 3rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; max-width: 800px; }
.page-hero h1 { margin-bottom: var(--space-md); }
.page-hero .hero-subtitle { font-size: 1.1rem; max-width: 640px; }

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--c-text-muted);
  margin-bottom: var(--space-md);
}
.breadcrumbs a { color: var(--c-text-secondary); }
.breadcrumbs a:hover { color: var(--c-accent-light); }
.breadcrumb-sep { color: var(--c-text-muted); }

/* ---- Stats ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.stat { text-align: center; }
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-accent-light), var(--c-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--c-text-secondary); margin-top: 0.35rem; }

/* ---- Process Steps ---- */
.process { display: grid; gap: var(--space-lg); }
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: start;
}
.process-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-accent), transparent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  min-width: 60px;
}
.process-content h3 { margin-bottom: var(--space-xs); }
.process-line {
  width: 2px;
  background: linear-gradient(180deg, var(--c-border-hover), transparent);
  margin-left: 30px;
  margin-top: var(--space-sm);
  height: 60px;
}

/* ---- Flow Diagram ---- */
.flow-diagram { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); flex-wrap: wrap; }
.flow-node {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  min-width: 120px;
  transition: all var(--t-default);
}
.flow-node:hover { border-color: var(--c-accent); background: var(--c-surface-hover); transform: translateY(-2px); }
.flow-node .node-icon { font-size: 1.5rem; margin-bottom: 0.35rem; }
.flow-node .node-label { font-size: 0.85rem; font-weight: 600; }
.flow-arrow { color: var(--c-accent); font-size: 1.5rem; }

/* ---- Comparison ---- */
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.comparison-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
}
.comparison-panel.highlight { border-color: rgba(59, 130, 246, 0.3); background: rgba(59, 130, 246, 0.05); }
.comparison-panel h3 { margin-bottom: var(--space-sm); }
.comparison-panel ul { display: grid; gap: 0.6rem; }
.comparison-panel li { font-size: 0.9rem; color: var(--c-text-secondary); padding-left: 1.5rem; position: relative; }
.comparison-panel li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); }

/* ---- FAQ Accordion ---- */
.faq-item {
  border-bottom: 1px solid var(--c-border);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--t-fast);
}
.faq-question:hover { color: var(--c-accent-light); }
.faq-question .faq-icon {
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--c-accent);
  transition: transform var(--t-default);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow);
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer-inner { padding-bottom: var(--space-md); color: var(--c-text-secondary); }

/* ---- Forms ---- */
.form { display: grid; gap: var(--space-md); max-width: 600px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.85rem; font-weight: 500; color: var(--c-text-secondary); }
.form-input, .form-textarea, .form-select {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--c-text);
  font-size: 0.95rem;
  transition: border-color var(--t-default), box-shadow var(--t-default);
  width: 100%;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--c-text-muted); }

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--c-surface), var(--c-bg-alt));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold), var(--c-accent));
  background-size: 200% 100%;
  animation: gradientShift 4s linear infinite;
}
.cta-section h2 { margin-bottom: var(--space-sm); }
.cta-section p { max-width: 500px; margin: 0 auto var(--space-lg); font-size: 1.1rem; }
.cta-buttons { display: flex; gap: var(--space-sm); justify-content: center; flex-wrap: wrap; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-alt);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-brand .nav-logo { margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 0.9rem; max-width: 320px; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-text-muted); margin-bottom: var(--space-sm); }
.footer-col ul { display: grid; gap: 0.5rem; }
.footer-col a { font-size: 0.9rem; color: var(--c-text-secondary); transition: color var(--t-fast); }
.footer-col a:hover { color: var(--c-accent-light); }
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-bottom p { font-size: 0.85rem; color: var(--c-text-muted); }
.footer-social { display: flex; gap: 0.5rem; }
.footer-social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text-secondary);
  transition: all var(--t-default);
}
.footer-social a:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-2px); }

/* ---- Pricing ---- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.pricing-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--t-default);
}
.pricing-card:hover { border-color: var(--c-border-hover); transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--c-accent);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: var(--shadow-glow);
}
.pricing-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--c-accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-plan { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.pricing-price { font-size: 2.5rem; font-weight: 800; margin-bottom: var(--space-sm); }
.pricing-price small { font-size: 1rem; font-weight: 400; color: var(--c-text-secondary); }
.pricing-desc { font-size: 0.9rem; color: var(--c-text-secondary); margin-bottom: var(--space-md); padding-bottom: var(--space-md); border-bottom: 1px solid var(--c-border); }
.pricing-features { display: grid; gap: 0.6rem; margin-bottom: var(--space-lg); }
.pricing-features li { font-size: 0.9rem; color: var(--c-text-secondary); padding-left: 1.5rem; position: relative; }
.pricing-features li::before {
  content: '';
  position: absolute; left: 0; top: 0.55em;
  width: 14px; height: 8px;
  border-left: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg);
}

/* ---- Industry Cards ---- */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.industry-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all var(--t-default);
  text-align: center;
}
.industry-card:hover { border-color: var(--c-accent); background: var(--c-surface-hover); transform: translateY(-4px); }
.industry-card .card-icon { margin: 0 auto var(--space-sm); }
.industry-card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.industry-card p { font-size: 0.85rem; }

/* ---- Blog Cards ---- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.blog-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--t-default);
}
.blog-card:hover { border-color: var(--c-border-hover); transform: translateY(-4px); }
.blog-card-img {
  width: 100%; height: 180px;
  background: linear-gradient(135deg, var(--c-surface), var(--c-bg-alt));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
}
.blog-card-body { padding: var(--space-md); }
.blog-meta { font-size: 0.75rem; color: var(--c-text-muted); margin-bottom: 0.5rem; display: flex; gap: 0.5rem; }
.blog-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.blog-card p { font-size: 0.85rem; }

/* ---- Score Meter ---- */
.score-meter { display: grid; gap: var(--space-md); }
.score-item { display: grid; grid-template-columns: 180px 1fr 60px; gap: var(--space-md); align-items: center; }
.score-label { font-size: 0.9rem; font-weight: 500; }
.score-bar-bg { height: 8px; background: var(--c-bg); border-radius: 4px; overflow: hidden; border: 1px solid var(--c-border); }
.score-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-light));
  border-radius: 4px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.score-value { font-size: 1.1rem; font-weight: 700; color: var(--c-accent-light); text-align: right; }

/* ---- Animation Utilities ---- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity var(--t-slow), transform var(--t-slow); }
.reveal.reveal-left { transform: translateX(-40px); }
.reveal.reveal-right { transform: translateX(40px); }
.reveal.reveal-scale { transform: scale(0.92); }
.reveal.reveal-blur { filter: blur(10px); }
.reveal.is-visible { opacity: 1; transform: translate(0, 0) scale(1); filter: blur(0); }

.stagger > * { opacity: 0; transform: translateY(20px); transition: opacity var(--t-default), transform var(--t-default); }
.stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }
.stagger.is-visible > *:nth-child(7) { transition-delay: 480ms; }
.stagger.is-visible > *:nth-child(8) { transition-delay: 560ms; }

.parallax { will-change: transform; }

/* ---- Keyframes ---- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes blurIn { from { opacity: 0; filter: blur(15px); } to { opacity: 1; filter: blur(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes pulseGlow { 0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.2); } 50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.4); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
@keyframes drawLine { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse { animation: pulseGlow 3s ease-in-out infinite; }
.animate-spin-slow { animation: spin 20s linear infinite; }

/* ---- SVG Diagram ---- */
.diagram-svg { width: 100%; max-width: 600px; margin: 0 auto; }
.diagram-svg .node { fill: var(--c-surface); stroke: var(--c-border); stroke-width: 1.5; transition: fill var(--t-default), stroke var(--t-default); }
.diagram-svg .node:hover { fill: var(--c-surface-hover); stroke: var(--c-accent); }
.diagram-svg .node-text { fill: var(--c-text); font-size: 13px; font-weight: 600; font-family: var(--font-sans); text-anchor: middle; }
.diagram-svg .arrow { stroke: var(--c-accent); stroke-width: 2; fill: none; }
.diagram-svg .arrow-dashed { stroke-dasharray: 6 4; animation: drawLine 2s ease forwards; }

/* ---- Process Timeline (How It Works) ---- */
.process-timeline { display: flex; flex-direction: column; align-items: stretch; max-width: 900px; margin: 0 auto; }
.process-step { display: flex; gap: var(--space-lg); align-items: flex-start; padding: var(--space-lg) 0; }
.step-number { flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; background: var(--c-surface); border: 2px solid var(--c-accent); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 800; font-family: var(--font-mono); color: var(--c-accent-light); transition: border-color var(--t-default), box-shadow var(--t-default); }
.process-step:hover .step-number { box-shadow: 0 0 30px var(--c-glow); border-color: var(--c-accent-light); }
.step-content { flex: 1; }
.step-subtitle { font-size: 1.05rem; color: var(--c-text-secondary); margin-bottom: var(--space-md); }
.step-details { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); margin-bottom: var(--space-sm); }
.step-detail-card { padding: var(--space-md); border-radius: var(--radius); background: var(--c-surface); border: 1px solid var(--c-border); }
.step-detail-card h4 { font-size: 0.95rem; margin-bottom: var(--space-xs); color: var(--c-text); }
.step-detail-card ul { padding-left: 1rem; list-style: disc; }
.step-detail-card li { font-size: 0.85rem; color: var(--c-text-secondary); margin-bottom: 0.4rem; line-height: 1.5; }
.step-timing { font-size: 0.85rem; color: var(--c-text-secondary); margin-top: var(--space-sm); }
.process-connector { display: flex; justify-content: center; margin-left: 27px; height: 40px; }

/* ---- Pricing Additional ---- */
.pricing-card.pricing-featured { border-color: var(--c-accent); position: relative; }
.pricing-card.pricing-featured::before { content: ''; position: absolute; inset: 0; border-radius: var(--radius); background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent); pointer-events: none; }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--c-accent); color: var(--c-text); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.3rem 1rem; border-radius: 20px; white-space: nowrap; }
.pricing-header { margin-bottom: var(--space-md); }
.pricing-price { display: flex; align-items: baseline; gap: 0.35rem; margin-bottom: var(--space-md); }
.price-amount { font-size: 2.5rem; font-weight: 800; color: var(--c-text); }
.price-period { font-size: 0.9rem; color: var(--c-text-secondary); }
.pricing-cta { margin-bottom: var(--space-sm); }
.pricing-note { padding-top: var(--space-sm); border-top: 1px solid var(--c-border); }
.pricing-note p { font-size: 0.8rem; color: var(--c-text-secondary); }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

/* ---- Blog Filter ---- */
.blog-filter { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-lg); justify-content: center; }
.blog-filter-btn { padding: 0.4rem 1rem; border-radius: 20px; font-size: 0.85rem; font-weight: 500; color: var(--c-text-secondary); background: var(--c-surface); border: 1px solid var(--c-border); transition: all var(--t-default); }
.blog-filter-btn:hover { color: var(--c-text); border-color: var(--c-border-hover); }
.blog-filter-btn.active { background: var(--c-accent); color: var(--c-text); border-color: var(--c-accent); }
.blog-tag { display: inline-block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-accent-light); margin-bottom: 0.5rem; }
.blog-sep { color: var(--c-text-muted); }
.blog-card-image { height: 140px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }

/* ---- Contact Layout ---- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--space-xl); align-items: start; }
.form-required { color: var(--c-accent); }
.form-error { display: block; font-size: 0.8rem; color: #EF4444; margin-top: 0.25rem; min-height: 1rem; }
.form-disclaimer { font-size: 0.75rem; color: var(--c-text-muted); margin-top: var(--space-sm); line-height: 1.5; }
.form-success { padding: var(--space-lg); border-radius: var(--radius); background: var(--c-surface); border: 1px solid var(--c-success); text-align: center; }
.form-success h3 { color: var(--c-success); margin-bottom: var(--space-xs); }
.form-success p { color: var(--c-text-secondary); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: var(--space-lg); }
  .step-details { grid-template-columns: 1fr; }
  .industries-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-md);
    gap: 0.25rem;
  }
  .nav-links.mobile-open .nav-link { width: 100%; padding: 0.75rem 1rem; }
  .nav-links.mobile-open .nav-cta { margin: var(--space-sm) 0 0 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .comparison { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .industries-grid, .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-step { flex-direction: column; gap: var(--space-sm); }
  .process-connector { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .flow-diagram { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .score-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .score-value { text-align: left; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Accessibility ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .stagger > * { opacity: 1 !important; transform: none !important; filter: none !important; }
}
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}