@import url('https://fonts.googleapis.com/css2?family=Amaranth:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
  --bg-color: #fafafa;
  --bg-secondary: #f4f4f5;
  --primary-color: #000000;
  --primary-glow: rgba(0, 0, 0, 0.15);
  --secondary-color: #3f3f46;
  --text-primary: #09090b;
  --text-secondary: #52525b;
  
  /* Ultra-Premium Glassmorphism Tokens from App */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04), inset 0 1px 0 0 rgba(255, 255, 255, 0.85);
  
  --font-main: 'Amaranth', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  /* Add subtle ambient background gradients to make the glass pop */
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(200, 220, 255, 0.4), transparent 35%),
    radial-gradient(circle at 85% 30%, rgba(255, 210, 210, 0.4), transparent 35%);
  background-attachment: fixed;
  letter-spacing: 0.045em;
}

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

.gradient-text {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  text-decoration: none;
  color: var(--text-primary);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 999px; /* pill shape */
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  border: none;
  box-shadow: 0 8px 20px -6px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px -8px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.04), inset 0 1px 0 0 rgba(255, 255, 255, 0.9);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

/* Layout */
section {
  padding: 6rem 5%;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 8rem;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  margin-bottom: 1.5rem;
  max-width: 900px;
}

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

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* Cards / Ultra-Premium Glassmorphism */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 1.5rem;
  padding: 2.5rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.08), inset 0 1px 0 0 rgba(255, 255, 255, 1);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
}

/* Pricing Specific */
.pricing-card {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card.popular {
  border-color: rgba(0, 0, 0, 0.2);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.1), inset 0 1px 2px 0 rgba(255, 255, 255, 0.9);
}

.popular-badge {
  position: absolute;
  top: 1.5rem;
  right: -2.5rem;
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 3rem;
  transform: rotate(45deg);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.price {
  font-size: 3rem;
  font-weight: 800;
  margin: 1.5rem 0;
}

.price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.features-list {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.features-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.features-list li::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  background: rgba(0,0,0,0.05);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 5%;
  border-top: 1px solid rgba(0,0,0,0.05);
  margin-top: 4rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; 
  }
  .hero-buttons {
    flex-direction: column;
  }
}