:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #ec4899;
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-darker);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Dynamic Background setup */
.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
              radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15), transparent 25%);
}

.blob {
  position: absolute;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
  animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}
.blob-1 {
  background: var(--primary);
  width: 400px;
  height: 400px;
  top: -100px;
  left: -100px;
  border-radius: 50%;
}
.blob-2 {
  background: var(--secondary);
  width: 300px;
  height: 300px;
  bottom: -150px;
  right: -50px;
  animation-delay: -5s;
  border-radius: 50%;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(100px, 100px) scale(1.1); }
}

/* Typography & Links */
h1, h2, h3 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: 4rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
p { font-size: 1.125rem; color: var(--text-muted); margin-bottom: 2rem; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 3rem;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: none;
  outline: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 35px -5px rgba(236, 72, 153, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-3px);
}

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

/* Header/Nav */
nav {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
nav.scrolled {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  padding: 1rem 0;
}
.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.nav-links { display: flex; gap: 2.5rem; align-items: center;}
.nav-links a { color: var(--text-main); font-weight: 500;}
.nav-links a:hover { color: var(--primary); }

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 4rem;
}
.hero-content {
  max-width: 800px;
  animation: slideUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero h1 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.button-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 3rem;
}

@keyframes slideUp {
  0% { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Features Grid */
.features {
  padding: 8rem 0;
}
.section-title {
  text-align: center;
  margin-bottom: 4rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  cursor: default;
}
.card:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}
.card-icon {
  width: 60px;
  height: 60px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}
.card h3 { margin-bottom: 1rem; font-size: 1.5rem; }

/* Privacy Policy Layout */
.privacy-page {
  padding: 6rem 0;
  max-width: 800px;
  margin: auto;
}
.privacy-page h1 { font-size: 3rem; }
.privacy-page h2 { font-size: 2rem; margin-top: 3rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.5rem;}
.privacy-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(12px);
}
.privacy-box ul {
  padding-left: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-muted);
}
.privacy-box li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0;
  margin-top: 5rem;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-links a {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  h1 { font-size: 3rem; }
  .button-group { flex-direction: column; }
  .nav-links { display: none; }
}