/* ==========================================================================
   RAYON LIBRE - Premium Design System
   Inspired by: Linear, Vercel, Stripe, Notion
   ========================================================================== */

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

/* ==========================================================================
   CSS VARIABLES - Design Tokens
   ========================================================================== */
:root {
  /* Primary Colors */
  --primary: #10B981;
  --primary-light: #34D399;
  --primary-dark: #059669;
  --primary-glow: rgba(16, 185, 129, 0.4);

  /* Secondary Colors */
  --secondary: #082D5D;
  --secondary-light: #0A4A8C;
  --accent: #F97316;
  --accent-light: #FB923C;
  --accent-glow: rgba(249, 115, 22, 0.4);

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F4F4F5;
  --gray-200: #E4E4E7;
  --gray-300: #D4D4D8;
  --gray-400: #A1A1AA;
  --gray-500: #71717A;
  --gray-600: #52525B;
  --gray-700: #3F3F46;
  --gray-800: #27272A;
  --gray-900: #18181B;
  --gray-950: #09090B;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #10B981 0%, #059669 50%, #047857 100%);
  --gradient-hero: linear-gradient(135deg, #082D5D 0%, #0A4A8C 50%, #0F5AA6 100%);
  --gradient-dark: linear-gradient(180deg, #09090B 0%, #18181B 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, var(--primary-glow) 0%, transparent 70%);
  --gradient-text: linear-gradient(135deg, #10B981 0%, #34D399 50%, #6EE7B7 100%);
  --gradient-mesh:
    radial-gradient(at 40% 20%, rgba(16, 185, 129, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(8, 45, 93, 0.15) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(249, 115, 22, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(16, 185, 129, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(8, 45, 93, 0.15) 0px, transparent 50%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Font Sizes - Using clamp for fluid typography */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: clamp(2.5rem, 5vw, 3rem);
  --text-6xl: clamp(3rem, 6vw, 3.75rem);
  --text-7xl: clamp(3.5rem, 8vw, 5rem);
  --text-8xl: clamp(4rem, 10vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow-primary: 0 0 40px rgba(16, 185, 129, 0.3), 0 0 80px rgba(16, 185, 129, 0.1);
  --shadow-glow-accent: 0 0 40px rgba(249, 115, 22, 0.3), 0 0 80px rgba(249, 115, 22, 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index layers */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--gray-600);
  background: var(--white);
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: var(--primary);
  color: var(--white);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-7xl); font-weight: 800; }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

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

.text-balance {
  text-wrap: balance;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 768px; }
.container-lg { max-width: 1536px; }

section {
  padding: var(--space-24) 0;
  position: relative;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--gray-900);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
  color: var(--gray-900);
}

.logo img {
  height: 36px;
  width: auto;
  border-radius: var(--radius-md);
}

.logo-text {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  color: var(--gray-600);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}

.nav-cta {
  background: var(--gray-900) !important;
  color: var(--white) !important;
  padding: var(--space-2) var(--space-5) !important;
  font-weight: 600 !important;
  border-radius: var(--radius-full) !important;
}

.nav-cta:hover {
  background: var(--gray-800) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* Burger Menu */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  z-index: var(--z-modal);
}

.burger span {
  width: 24px;
  height: 2px;
  background: var(--gray-900);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   HERO SECTION - Premium Design
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gray-950);
  overflow: hidden;
  padding-top: 80px;
}

/* Animated gradient background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 1;
  animation: meshFloat 20s ease-in-out infinite;
}

@keyframes meshFloat {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(2deg); }
}

/* Grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  margin: 0 auto;
}

/* Badge / Social Proof */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease-out;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--gray-400);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Partner logos in hero */
.hero-partners {
  margin-top: var(--space-16);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-partners-label {
  font-size: var(--text-sm);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.hero-partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.partner-logo {
  height: 28px;
  opacity: 0.5;
  filter: brightness(0) invert(1);
  transition: opacity var(--transition-base);
}

.partner-logo:hover {
  opacity: 0.8;
}

/* Floating glow orbs */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  opacity: 0.15;
  top: -200px;
  right: -200px;
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  opacity: 0.1;
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--white);
  color: var(--gray-900);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(255, 255, 255, 0.2);
  color: var(--gray-900);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-accent {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-glow-primary);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(16, 185, 129, 0.4), var(--shadow-xl);
  color: var(--white);
}

.btn-dark {
  background: var(--gray-900);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--gray-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--gray-900);
  border: 2px solid var(--gray-200);
}

.btn-outline:hover {
  border-color: var(--gray-900);
  background: var(--gray-50);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   SECTION STYLES
   ========================================================================== */
.section-title {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title h2 {
  margin-bottom: var(--space-4);
}

.section-title p {
  font-size: var(--text-lg);
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

/* Section backgrounds */
.section-gray {
  background: var(--gray-50);
}

.section-dark {
  background: var(--gray-950);
  color: var(--gray-300);
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--white);
}

.section-dark p {
  color: var(--gray-400);
}

.section-green {
  background: var(--gradient-primary);
  color: var(--white);
}

.section-green h2, .section-green h3, .section-green h4 {
  color: var(--white);
}

.section-green p {
  color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   CARDS - Glassmorphism & Modern Design
   ========================================================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-dark {
  background: var(--gray-900);
  border-color: var(--gray-800);
  color: var(--gray-300);
}

.card-dark:hover {
  border-color: var(--gray-700);
}

.card-dark h3 {
  color: var(--white);
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}

.card-icon-green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
}

.card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card p {
  color: var(--gray-500);
  margin-bottom: 0;
}

/* Featured card with glow */
.card-featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow-primary);
}

.card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

/* ==========================================================================
   GRIDS - Bento & Responsive
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

/* Auto-fit responsive grids */
.grid-auto-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-auto-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

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

.bento-span-3 {
  grid-column: span 3;
}

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

/* ==========================================================================
   STATS
   ========================================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-8);
  text-align: center;
}

.stat {
  padding: var(--space-6);
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--gray-500);
  font-weight: 500;
}

.section-dark .stat-number {
  color: var(--primary-light);
}

.section-dark .stat-label {
  color: var(--gray-400);
}

.section-green .stat-number,
.section-green .stat-label {
  color: var(--white);
}

/* ==========================================================================
   TIMELINE
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: var(--space-12);
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-5);
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
  padding-left: var(--space-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 8px);
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--white);
  border: 3px solid var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.timeline-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-glow-primary);
}

/* ==========================================================================
   COMPARISON TABLE
   ========================================================================== */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-5) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
}

.comparison-table th {
  background: var(--gray-900);
  color: var(--white);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table th:last-child {
  background: var(--primary);
}

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

.comparison-table tr:hover td {
  background: var(--gray-50);
}

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

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--gray-900);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

/* Checkbox */
.checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
}

.checkbox-label input[type="checkbox"] {
  width: 20px !important;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
  background: var(--gray-950);
  color: var(--gray-400);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-section h3 {
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.footer-section:first-child h3 {
  font-size: var(--text-xl);
  text-transform: none;
  letter-spacing: -0.02em;
}

.footer-section p {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--gray-500);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  text-align: center;
  color: var(--gray-600);
  font-size: var(--text-sm);
}

.footer-bottom a {
  color: var(--gray-500);
}

.footer-bottom a:hover {
  color: var(--white);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray-500); }
.text-dark { color: var(--gray-900); }

.bg-primary { background: var(--primary); }
.bg-dark { background: var(--gray-950); }
.bg-gray { background: var(--gray-50); }
.bg-white { background: var(--white); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-span-3 {
    grid-column: span 2;
  }

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

@media (max-width: 768px) {
  section {
    padding: var(--space-16) 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 80%;
    max-width: 320px;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-24) var(--space-6);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-slow);
    z-index: var(--z-fixed);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-2);
    width: 100%;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    margin-top: var(--space-4);
  }

  .burger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: var(--space-32) 0 var(--space-20);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 280px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .bento-span-2, .bento-span-3 {
    grid-column: span 1;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .comparison-table {
    font-size: var(--text-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

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

  .stat-number {
    font-size: var(--text-4xl);
  }
}

/* Cards in colored sections */
.section-green .card,
.section-dark .card {
  background: var(--white);
  color: var(--gray-600);
}

.section-green .card h3,
.section-green .card h4,
.section-dark .card h3,
.section-dark .card h4 {
  color: var(--gray-900);
}

.section-green .card p,
.section-dark .card p {
  color: var(--gray-500);
}

/* Timeline number in green section */
.section-green .timeline-number {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-lg);
}

/* Buttons in green section */
.section-green .btn-secondary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.section-green .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
}