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

:root {
  --bg-color: #0d0f12;
  --text-color: #f1f5f9;
  --text-muted: #94a3b8;
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(13, 15, 18, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background Gradients */
.bg-gradients {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.gradient-blob {
  position: absolute;
  filter: blur(80px);
  opacity: 0.5;
  border-radius: 50%;
  animation: float 15s infinite ease-in-out alternate;
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, rgba(13,15,18,0) 70%);
}

.blob-2 {
  bottom: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, rgba(13,15,18,0) 70%);
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 50px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.5rem 0;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 400;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-left: 1px solid var(--glass-border);
  padding-left: 1rem;
}

.lang-switch a {
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.lang-switch a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* Main Content */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem auto;
  animation: fadeUp 0.8s ease 0.2s forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Glass Cards */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeUp 0.8s ease 0.4s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.5rem;
  text-align: left;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.glass-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.glass-card h3 svg {
  color: var(--primary-color);
}

.glass-card p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
}

.glass-card p strong {
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.glass-card a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

.glass-card a:hover {
  color: #60a5fa;
}

/* Document Pages (Privacy, Terms, Support) */
.document-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
  padding: 4rem 2rem;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  animation: fadeUp 0.6s ease forwards;
}

.document-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #fff;
}

.document-content .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 3rem;
  display: block;
}

.document-content h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 2.5rem 0 1rem 0;
}

.document-content p, .document-content li {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.document-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.document-content a {
  color: var(--primary-color);
  text-decoration: none;
}

.document-content a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 3rem; }
  .nav-links { display: none; } /* Could add a hamburger, but simple for now */
  .info-grid { grid-template-columns: 1fr; }
}