/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #667eea;
  --primary-dark: #5a6fd8;
  --secondary: #764ba2;
  --accent: #f093fb;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --bg-light: #f7fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p { margin-bottom: 1rem; }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

/* Logo images */
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

.hero-logo {
  width: 86px;
  height: 86px;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  margin: 0 auto 1rem;
  display: block;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .brand-logo { width: 24px; height: 24px; }
  .hero-logo { width: 72px; height: 72px; }
  .footer-logo { width: 28px; height: 28px; }
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.4s both;
}

/* Buttons */
.cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--gradient-accent);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.cta:hover::before {
  left: 100%;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.cta.secondary {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.cta.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

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

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Features */
.features {
  background: var(--bg-white);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.feature-content h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.feature-content p {
  color: var(--text-secondary);
  margin: 0;
}

/* Stats */
.stats {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item h3 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  color: white;
}

.stat-item p {
  opacity: 0.9;
  margin: 0;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 0 2rem;
  text-align: center;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section p, .footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Legal Documents */
.legal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.legal-card {
  background: var(--bg-white);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.legal-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.legal-card .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.legal-card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.legal-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  
  .hero h1 { font-size: 2.5rem; }
  
  .nav { flex-direction: column; gap: 1rem; }
  
  .nav a { margin: 0 1rem; }
  
  .hero-buttons { flex-direction: column; align-items: center; }
  
  .grid { grid-template-columns: 1fr; }
  
  .section { padding: 3rem 0; }
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Language selector */
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 1.8rem 0.4rem 0.6rem;
  margin-left: 1rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .lang-select { margin: 0.5rem 0 0; }
}