/* ============================================
   APILOOM DESIGN SYSTEM — Blocksy 3D Style
   ============================================ */

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

/* --- @property for animated gradient borders --- */
@property --border-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@property --gradient-pos {
  syntax: '<percentage>';
  initial-value: 0%;
  inherits: false;
}

/* --- CSS Custom Properties (Dark default) --- */
:root {
  --bg-deep: #050510;
  --bg-surface: #0a0a1a;
  --bg-elevated: #0f0f2a;
  --accent-primary: #3b82f6;
  --accent-secondary: #0ea5e9;
  --accent-cyan: #06b6d4;
  --accent-teal: #14b8a6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.12);
  --glass-highlight: rgba(255,255,255,0.08);
  --text-primary: #f8fafc;
  --text-muted: rgba(248,250,252,0.6);
  --text-dim: rgba(248,250,252,0.35);
  --grid-color: rgba(59,130,246,0.08);
  --grid-highlight: rgba(59,130,246,0.15);
  --orb-opacity: 0.5;
  --shadow-glow: rgba(59,130,246,0.25);
  --code-bg: rgba(0,0,0,0.4);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s ease;
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Light Mode --- */
[data-theme="light"] {
  --bg-deep: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;
  --glass-bg: rgba(0,0,0,0.03);
  --glass-border: rgba(0,0,0,0.08);
  --glass-highlight: rgba(0,0,0,0.04);
  --text-primary: #0f172a;
  --text-muted: rgba(15,23,42,0.6);
  --text-dim: rgba(15,23,42,0.3);
  --grid-color: rgba(59,130,246,0.04);
  --grid-highlight: rgba(59,130,246,0.08);
  --orb-opacity: 0.2;
  --shadow-glow: rgba(59,130,246,0.12);
  --code-bg: rgba(0,0,0,0.06);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background var(--transition-med), color var(--transition-med);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 1.5vw, 1.35rem); }

p { color: var(--text-muted); max-width: 65ch; }

.text-gradient {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan), var(--accent-primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

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

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
}

.section-sm { padding: 80px 0; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }
.text-center { text-align: center; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* --- Perspective Grid Background --- */
.perspective-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.6;
  transition: opacity var(--transition-med);
}

[data-theme="light"] .perspective-grid { opacity: 0.3; }

.perspective-grid::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  transform: translate(-50%, -30%) rotateX(65deg);
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridScroll 20s linear infinite;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
}

.perspective-grid::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  transform: translate(-50%, -30%) rotateX(65deg);
  background-image:
    linear-gradient(var(--grid-highlight) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-highlight) 1px, transparent 1px);
  background-size: 300px 300px;
  animation: gridScroll 20s linear infinite;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
}

@keyframes gridScroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 60px; }
}

/* --- Floating Ambient Orbs --- */
.ambient-orbs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: var(--orb-opacity);
  transition: opacity var(--transition-med);
  will-change: transform;
}

.orb-blue {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-primary), transparent 70%);
  top: -10%;
  left: -5%;
  animation: orbFloat1 18s ease-in-out infinite;
}

.orb-cyan {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
  top: 30%;
  right: -10%;
  animation: orbFloat2 22s ease-in-out infinite;
}

.orb-pink {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-pink), transparent 70%);
  bottom: -5%;
  left: 30%;
  animation: orbFloat3 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.1); }
  66% { transform: translate(-30px, 80px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, -30px) scale(0.9); }
  66% { transform: translate(40px, -60px) scale(1.05); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -50px) scale(1.08); }
  66% { transform: translate(-60px, 30px) scale(0.92); }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: transparent;
  transition: background var(--transition-fast), backdrop-filter var(--transition-fast), border-color var(--transition-fast);
}

.nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
}

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

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-cyan));
  transition: width var(--transition-fast);
  border-radius: 1px;
}

.nav-links a:hover::after { width: 100%; }

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

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--glass-border);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  position: absolute;
}

.theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }

[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* Mobile Menu */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--text-primary);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: all var(--transition-fast);
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #0284c7);
  color: #fff !important;
  box-shadow: 0 0 30px rgba(37,99,235,0.4), 0 0 60px rgba(37,99,235,0.15);
  border: none;
}

/* Ensure button is visible in light mode */
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #1d4ed8, #0369a1);
  box-shadow: 0 4px 14px rgba(29,78,216,0.35);
}

.btn-primary:hover {
  box-shadow: 0 0 40px rgba(59,130,246,0.5), 0 0 80px rgba(59,130,246,0.2);
  transform: translateY(-2px);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan), var(--accent-primary));
  background-size: 200% 200%;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-fast);
  animation: gradientShift 3s ease-in-out infinite;
}

.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  background: rgba(59,130,246,0.08);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 10px;
}

/* --- Glass Cards --- */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

/* Shine overlay for tilt */
.glass-card .shine {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 1;
}

.glass-card:hover .shine { opacity: 1; }

.glass-card:hover {
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 8px 40px rgba(0,0,0,0.2), 0 0 40px rgba(59,130,246,0.05);
}

/* --- Animated Gradient Border --- */
.gradient-border {
  position: relative;
  background: var(--glass-bg);
  border: none;
}

.gradient-border::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--border-angle), var(--accent-primary), var(--accent-cyan), var(--accent-blue), var(--accent-primary));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderRotate 4s linear infinite;
  pointer-events: none;
}

@keyframes borderRotate {
  to { --border-angle: 360deg; }
}

/* Gradient border color variations */
.gradient-border-purple::after {
  background: conic-gradient(from var(--border-angle), var(--accent-primary), var(--accent-pink), var(--accent-primary));
}

.gradient-border-blue::after {
  background: conic-gradient(from var(--border-angle), var(--accent-blue), var(--accent-cyan), var(--accent-blue));
}

.gradient-border-cyan::after {
  background: conic-gradient(from var(--border-angle), var(--accent-cyan), var(--accent-green), var(--accent-cyan));
}

/* --- Floating Animation --- */
.floating {
  animation: float 6s ease-in-out infinite;
}

.floating-delay-1 { animation-delay: -1s; }
.floating-delay-2 { animation-delay: -2s; }
.floating-delay-3 { animation-delay: -3s; }
.floating-delay-4 { animation-delay: -4s; }
.floating-delay-5 { animation-delay: -5s; }

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

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Fallback: show content if JS fails */
.no-js .reveal {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Icon Container --- */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-box svg {
  width: 24px;
  height: 24px;
}

.icon-box-purple { background: rgba(59,130,246,0.15); color: var(--accent-primary); }
.icon-box-blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.icon-box-cyan { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }
.icon-box-green { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.icon-box-pink { background: rgba(236,72,153,0.15); color: var(--accent-pink); }
.icon-box-orange { background: rgba(245,158,11,0.15); color: var(--accent-orange); }

/* --- Eyebrow Tag --- */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-cyan);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-purple {
  background: rgba(59,130,246,0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(59,130,246,0.3);
}

.badge-cyan {
  background: rgba(6,182,212,0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6,182,212,0.3);
}

.badge-green {
  background: rgba(16,185,129,0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16,185,129,0.3);
}

/* --- Code Block --- */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  color: var(--accent-cyan);
  position: relative;
  overflow-x: auto;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.code-block .copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 820px;
}

.hero h1 {
  margin: 20px 0 24px;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin: 0 auto 40px;
  max-width: 640px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-subtext {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* --- Metrics Bar --- */
.metrics-bar {
  position: relative;
  z-index: 1;
}

.metric-card {
  text-align: center;
  padding: 28px 20px;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Problem Section --- */
.problem-section {
  background: var(--bg-surface);
  position: relative;
  z-index: 1;
}

.problem-stat {
  padding: 48px 40px;
  border-left: 3px solid var(--accent-primary);
  position: relative;
}

.problem-stat .stat-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.problem-stat .stat-number.purple { color: var(--accent-primary); }
.problem-stat .stat-number.blue { color: var(--accent-blue); }
.problem-stat .stat-number.light { color: var(--accent-pink); }

.problem-stat p {
  font-size: 1.05rem;
  max-width: 40ch;
}

/* --- Ecosystems --- */
.ecosystem-card {
  padding: 40px;
}

.ecosystem-card h3 {
  margin: 20px 0 12px;
}

.ecosystem-card .tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

/* --- Bento Grid --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.bento-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bento-card h4 { margin-top: 4px; }

.bento-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- CE vs Enterprise --- */
.editions {
  position: relative;
  z-index: 1;
}

.edition-card {
  padding: 48px;
}

.edition-card h3 { margin: 16px 0; }

.edition-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 32px;
}

.edition-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.edition-card li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-green);
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step-card {
  padding: 40px 32px;
  counter-increment: step;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-blue));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.step-card h4 { margin-bottom: 12px; }

.step-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Comparison Table --- */
.comparison-table-wrapper {
  overflow-x: auto;
  position: relative;
  z-index: 1;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.9rem;
}

.comparison-table thead th {
  background: rgba(59,130,246,0.08);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.comparison-table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
.comparison-table thead th:last-child { border-radius: 0 var(--radius-lg) 0 0; }

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

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-table .check { color: var(--accent-green); }
.comparison-table .cross { color: var(--text-dim); }
.comparison-table .partial { color: var(--accent-orange); }
.comparison-table .highlight-col {
  background: rgba(59,130,246,0.04);
}

/* --- Pricing Cards --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.pricing-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
}

.pricing-card .plan-name {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-card .plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.pricing-card .plan-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card .plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--glass-border);
}

.pricing-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-card li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.pricing-card li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-green);
}

.pricing-recommended {
  position: relative;
  overflow: visible !important;
  border: 2px solid var(--accent-primary);
  box-shadow: 0 0 30px rgba(59,130,246,0.2);
}

.pricing-recommended .recommended-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #fff;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  z-index: 1;
}

.cta-panel {
  padding: 80px 60px;
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.08), transparent 60%);
  pointer-events: none;
}

.cta-panel h2 { margin-bottom: 16px; }
.cta-panel p { margin: 0 auto 40px; }

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 640px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-form input {
  flex: 1;
  min-width: 180px;
  padding: 14px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.cta-form input::placeholder { color: var(--text-dim); }
.cta-form input:focus { border-color: var(--accent-primary); }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='7' viewBox='0 0 12 7' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success.show { display: block; }
.form-success svg { color: var(--accent-green); margin-bottom: 16px; }
.form-success h3 { margin-bottom: 8px; }

/* --- Footer --- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 40px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.85rem;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.footer-bottom-links a {
  color: var(--text-dim);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: var(--text-muted); }

/* --- Page Header (for inner pages) --- */
.page-header {
  padding: 180px 0 80px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-header .eyebrow { margin-bottom: 16px; }
.page-header h1 { margin-bottom: 16px; }
.page-header p { margin: 0 auto; font-size: 1.1rem; }

/* --- Feature Detailed Cards --- */
.feature-detail-card {
  padding: 48px;
}

.feature-detail-card h3 { margin: 16px 0 12px; }

.feature-detail-card .feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.feature-detail-card .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.feature-detail-card .feature-list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-green);
}

/* --- Pricing Feature Matrix --- */
.feature-matrix {
  overflow-x: auto;
  position: relative;
  z-index: 1;
}

.feature-matrix table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.feature-matrix th,
.feature-matrix td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.875rem;
}

.feature-matrix th:first-child,
.feature-matrix td:first-child {
  text-align: left;
  font-weight: 500;
}

.feature-matrix thead th {
  background: rgba(59,130,246,0.08);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.feature-matrix tbody tr:last-child td { border-bottom: none; }

.feature-matrix .category-row td {
  background: rgba(59,130,246,0.03);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  padding: 10px 20px;
}

/* --- FAQ --- */
.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  transition: border-color var(--transition-fast);
}

.faq-item:hover { border-color: rgba(59,130,246,0.2); }

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

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- 404 --- */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 16px;
}

/* --- Contact Grid --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.contact-info { display: flex; flex-direction: column; gap: 32px; }

.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-method h4 { margin-bottom: 4px; }
.contact-method p { font-size: 0.9rem; }

/* --- Docs Links Grid --- */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.docs-card {
  padding: 36px;
  transition: transform var(--transition-fast);
}

.docs-card:hover { transform: translateY(-4px); }

.docs-card h4 { margin: 16px 0 8px; }
.docs-card p { font-size: 0.875rem; }

.docs-card .docs-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: gap var(--transition-fast);
}

.docs-card:hover .docs-link { gap: 10px; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid .footer-col:nth-child(4),
  .footer-grid .footer-col:nth-child(5) { display: none; }
  .docs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 24px;
    gap: 16px;
  }

  .grid-2, .grid-3, .grid-4,
  .pricing-grid, .bento-grid,
  .steps-grid, .contact-grid,
  .docs-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .hero { padding: 120px 24px 60px; min-height: auto; }
  .hero h1 { font-size: 2.2rem; }

  .cta-panel { padding: 48px 24px; }
  .cta-form { flex-direction: column; }
  .cta-form input { min-width: auto; }

  .comparison-table th,
  .comparison-table td { padding: 12px 16px; font-size: 0.8rem; }

  .form-grid-2 { grid-template-columns: 1fr; }

  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }

  .metric-value { font-size: 2rem; }

  .problem-stat { padding: 32px 24px; }
  .problem-stat .stat-number { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn-lg { padding: 16px 24px; }
  .pricing-card { padding: 32px 24px; }
  .edition-card { padding: 32px 24px; }
}