:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --secondary: #10b981;
  --bg-color: #0f172a;
  --surface: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* Glassmorphism Navigation */
nav {
  position: fixed;
  width: 100%;
  top: 0;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 5%;
  background: radial-gradient(circle at center, rgba(14, 165, 233, 0.15) 0%, rgba(15, 23, 42, 1) 70%);
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.btn-primary {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.6);
}

/* Sections */
.section {
  padding: 6rem 5%;
  max-width: 1000px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, #fff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Support Card */
.support-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem;
  text-align: center;
  backdrop-filter: blur(10px);
  max-width: 600px;
  margin: 0 auto;
  transition: transform 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.support-card:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 233, 0.3);
}

.contact-info {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 12px;
}

.contact-item i {
  color: var(--primary);
  font-size: 1.5rem;
}

/* Privacy Content */
.privacy-content {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3.5rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.privacy-content h2 {
  color: var(--primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.privacy-content p, .privacy-content ul {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}

.privacy-content ul {
  padding-left: 1.5rem;
}

.privacy-content li {
  margin-bottom: 0.5rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 30px;
  padding: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
  backdrop-filter: blur(15px);
  cursor: default;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.03);
  border-color: rgba(14, 165, 233, 0.4);
  background: rgba(30, 41, 59, 0.6);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 3.5rem;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.feature-title {
  font-size: 1.15rem;
  margin-bottom: 0;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.feature-desc {
  display: none;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.9);
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .hero p { font-size: 1rem; }
  .nav-links { display: none; }
  .privacy-content { padding: 2rem; }

  .section { padding: 4rem 4%; }
  .section-title { font-size: 1.8rem; margin-bottom: 1.5rem; }

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

  .feature-card {
    border-radius: 22px;
    padding: 1rem;
  }

  .feature-icon { font-size: 2.2rem; margin-bottom: 0.8rem; }
  .feature-title { font-size: 0.85rem; }

  .support-card { padding: 2rem 1.5rem; }
  .contact-item { font-size: 0.95rem; padding: 0.8rem; }
}
