:root {
  --bg-dark: #0B101E;
  --bg-card: #151D30;
  --bg-card-hover: #1A243D;
  --primary: #00E5FF;
  --primary-glow: rgba(0, 229, 255, 0.25);
  --primary-dim: rgba(0, 229, 255, 0.1);
  --accent-purple: #A855F7;
  --accent-rose: #FF2A6D;
  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 229, 255, 0.2);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max: 1100px;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Subtle Grid Effect */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 50% 15%, rgba(0, 229, 255, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 85% 85%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: #5cf1ff;
  text-shadow: 0 0 8px var(--primary-glow);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation Header */
header {
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 16, 30, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-link:hover {
  color: var(--text-main);
  text-shadow: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 12px var(--primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

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

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-dim);
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 50px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #070B14;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background: #38e9fc;
  color: #070B14;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 229, 255, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  color: var(--text-main);
  transform: translateY(-2px);
}

.hero-preview {
  position: relative;
  max-width: 840px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 229, 255, 0.15);
  background: var(--bg-card);
}

.hero-preview img {
  width: 100%;
  height: auto;
  display: block;
}

/* Feature Grid */
.features {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px 28px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-dim);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Showcase Grid */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.showcase-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
}

.showcase-item img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.showcase-item .caption {
  padding: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Privacy Content Layout */
.policy-page {
  padding: 50px 0 100px;
}

.policy-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 28px;
}

.policy-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.policy-meta {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.policy-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
}

.policy-content section {
  margin-bottom: 36px;
}

.policy-content section:last-child {
  margin-bottom: 0;
}

.policy-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.policy-content p {
  color: #CBD5E1;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.policy-content ul {
  list-style: none;
  margin-bottom: 14px;
  padding-left: 4px;
}

.policy-content li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: #CBD5E1;
  line-height: 1.6;
}

.policy-content li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.policy-box {
  background: rgba(0, 229, 255, 0.05);
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  margin: 18px 0;
}

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: rgba(11, 16, 30, 0.9);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

@media (max-width: 768px) {
  .nav-links {
    gap: 16px;
  }
  .policy-content {
    padding: 24px 20px;
  }
  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}