/* =============================================
   EduApp.Cloud — Communication Wallet Platform
   Design System & Styles
   ============================================= */

/* ---------- Google Fonts ---------- */
@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');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core palette */
  --bg-primary: #06090f;
  --bg-secondary: #0c1220;
  --bg-tertiary: #111827;
  --bg-card: rgba(17, 24, 39, 0.6);
  --bg-card-hover: rgba(23, 33, 54, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* Accent gradients */
  --gradient-primary: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-secondary: linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-green: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-hero: linear-gradient(160deg, #06090f 0%, #0c1220 40%, #111827 100%);
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
  --gradient-cta: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #ec4899 100%);

  /* Accent colors */
  --cyan: #06b6d4;
  --cyan-light: #22d3ee;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --purple: #8b5cf6;
  --purple-light: #a78bfa;
  --purple-glow: rgba(139, 92, 246, 0.25);
  --blue: #3b82f6;
  --green: #10b981;
  --green-whatsapp: #25D366;
  --amber: #f59e0b;
  --rose: #f43f5e;

  /* Text colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-accent: #06b6d4;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(6, 182, 212, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 30px rgba(6, 182, 212, 0.15);
  --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.15);

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* ---------- 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-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

ul { list-style: none; }

/* ---------- Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  padding: 6px 16px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-full);
}

.section-label svg {
  width: 14px;
  height: 14px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

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

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.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; }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(6, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: 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: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-ghost {
  color: var(--text-secondary);
  background: transparent;
}

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

.btn-primary {
  color: #fff;
  background: var(--gradient-primary);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45);
  transform: translateY(-2px);
}

.btn-outline {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--cyan);
  background: rgba(6, 182, 212, 0.05);
  box-shadow: var(--shadow-glow-cyan);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.82rem;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-radial);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero-badge-tag {
  padding: 3px 10px;
  background: rgba(6, 182, 212, 0.12);
  border-radius: var(--radius-full);
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.75rem;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.15s forwards;
  opacity: 0;
}

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

.hero-description {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.45s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: 40px;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.hero-stat {
  position: relative;
}

.hero-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 4px;
  height: 36px;
  width: 1px;
  background: var(--border-subtle);
}

.hero-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Hero Visual (Right side) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease 0.3s forwards;
  opacity: 0;
}

.hero-mockup {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero-mockup-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Floating cards around hero */
.hero-float-card {
  position: absolute;
  padding: 12px 16px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
  z-index: 3;
}

.hero-float-card .icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.float-sms {
  top: 15%;
  right: -10%;
  animation-delay: 0s;
}

.float-sms .icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue);
}

.float-whatsapp {
  bottom: 25%;
  left: -8%;
  animation-delay: 2s;
}

.float-whatsapp .icon {
  background: rgba(37, 211, 102, 0.15);
  color: var(--green-whatsapp);
}

.float-wallet {
  bottom: 5%;
  right: 5%;
  animation-delay: 4s;
}

.float-wallet .icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------- Trusted By / Logos Strip ---------- */
.trusted-section {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.trusted-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.trusted-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.4;
  transition: opacity var(--transition-slow);
}

.trusted-logos:hover {
  opacity: 0.65;
}

.trusted-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.trusted-logo svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

/* ---------- How It Works ---------- */
.how-it-works {
  padding: var(--section-padding);
  position: relative;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
  position: relative;
}

/* Connecting line between steps */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 56px;
  left: 16.6%;
  right: 16.6%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--green));
  opacity: 0.2;
}

.step-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  position: relative;
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-cyan);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
}

.step-card:nth-child(1) .step-number {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
  color: var(--cyan);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.step-card:nth-child(2) .step-number {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(139, 92, 246, 0.05));
  color: var(--purple);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.step-card:nth-child(3) .step-number {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Features Bento Grid ---------- */
.features-section {
  padding: var(--section-padding);
  position: relative;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
  margin-top: 60px;
}

.bento-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  overflow: hidden;
  position: relative;
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.bento-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan);
}

.bento-card:hover::before {
  opacity: 1;
}

/* Span variations */
.bento-card.span-2 {
  grid-column: span 2;
}

.bento-card.span-row {
  grid-row: span 2;
}

.bento-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.bento-card-icon.cyan {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.15);
  color: var(--cyan);
}

.bento-card-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: var(--purple);
}

.bento-card-icon.green {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.15);
  color: var(--green);
}

.bento-card-icon.amber {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.15);
  color: var(--amber);
}

.bento-card-icon.blue {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--blue);
}

.bento-card-icon.rose {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.15);
  color: var(--rose);
}

.bento-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.bento-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.bento-card .feature-visual {
  margin-top: 20px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

/* Mini message preview inside bento */
.mini-chat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mini-chat-bubble {
  padding: 8px 14px;
  border-radius: 12px 12px 12px 4px;
  font-size: 0.78rem;
  max-width: 80%;
}

.mini-chat-bubble.sent {
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.15);
  align-self: flex-end;
  border-radius: 12px 12px 4px 12px;
  color: var(--cyan-light);
}

.mini-chat-bubble.received {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* ---------- Pricing Section ---------- */
.pricing-section {
  padding: var(--section-padding);
  position: relative;
}

.pricing-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.pricing-card {
  padding: 36px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  position: relative;
}

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

.pricing-card.featured {
  border-color: rgba(6, 182, 212, 0.3);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.06) 0%, var(--bg-card) 40%);
  box-shadow: var(--shadow-glow-cyan);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
}

.pricing-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-card .pricing-desc {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-value {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-unit {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.pricing-detail {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.pricing-feature svg {
  width: 18px;
  height: 18px;
  color: var(--green);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- API Section ---------- */
.api-section {
  padding: var(--section-padding);
  position: relative;
}

.api-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 60px;
}

.api-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.api-info p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.75;
}

.api-features-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.api-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}

.api-feature-item .check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.api-feature-item .check-icon svg {
  width: 12px;
  height: 12px;
  color: var(--green);
}

/* Code block */
.api-code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.code-tab {
  padding: 12px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  position: relative;
  font-family: var(--font-body);
}

.code-tab:hover {
  color: var(--text-secondary);
}

.code-tab.active {
  color: var(--cyan);
}

.code-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
}

.code-content {
  display: none;
  padding: 24px;
  overflow-x: auto;
}

.code-content.active {
  display: block;
}

.code-content pre {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre;
  margin: 0;
}

.code-content .keyword { color: var(--purple-light); }
.code-content .string { color: var(--green); }
.code-content .function { color: var(--cyan-light); }
.code-content .comment { color: var(--text-tertiary); }
.code-content .property { color: var(--amber); }
.code-content .method { color: var(--blue); }

/* ---------- Testimonials ---------- */
.testimonials-section {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.testimonial-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
}

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

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: var(--amber);
  fill: var(--amber);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: var(--section-padding);
  position: relative;
}

.cta-container {
  position: relative;
  padding: 80px 60px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
}

.cta-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
  animation: cta-glow 8s ease-in-out infinite alternate;
}

@keyframes cta-glow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-3%, -3%) rotate(3deg); }
}

.cta-container h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-container p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 36px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  position: relative;
  z-index: 1;
}

/* ---------- Footer ---------- */
.footer {
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-subtle);
}

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}

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

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

.footer-social a:hover {
  color: var(--cyan);
  border-color: var(--border-accent);
  background: rgba(6, 182, 212, 0.08);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-tertiary);
  padding: 5px 0;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

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

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    max-width: 460px;
    margin: 0 auto;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-card.span-2 {
    grid-column: span 2;
  }

  .api-content {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    justify-self: center;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 9, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border-subtle);
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-float-card {
    display: none;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .steps-grid::before {
    display: none;
  }

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

  .bento-card.span-2 {
    grid-column: span 1;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-card:last-child {
    grid-column: span 1;
    max-width: 100%;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-container {
    padding: 50px 28px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-title {
    font-size: 1.7rem;
  }
}

/* ---------- Glow orbs ---------- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb.cyan {
  background: rgba(6, 182, 212, 0.08);
}

.glow-orb.purple {
  background: rgba(139, 92, 246, 0.08);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ---------- Integration Choices Section ---------- */
.integration-section {
  padding: var(--section-padding);
  position: relative;
  background: radial-gradient(circle at 50% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
}

.integration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.integration-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.integration-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.integration-card.featured-card {
  border-color: rgba(6, 182, 212, 0.25);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%), var(--bg-card);
}

.integration-card.featured-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.integration-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 4px 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.integration-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
}

.integration-card.featured-card .integration-icon {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
  color: var(--cyan);
}

.integration-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.integration-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
  line-height: 1.6;
}

.integration-features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
  flex-grow: 1;
}

.integration-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.integration-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.integration-card.featured-card .integration-feature-item svg {
  color: var(--cyan);
}

.integration-action {
  margin-top: auto;
}

@media (max-width: 768px) {
  .integration-grid {
    grid-template-columns: 1fr;
  }
  .integration-card {
    padding: 32px;
  }
}