:root {
  --bg-color: #050505;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --accent-gradient-1: linear-gradient(90deg, #2dd4bf, #3b82f6, #a855f7, #ec4899);
  --accent-gradient-2: linear-gradient(90deg, #ec4899, #a855f7, #f59e0b, #eab308);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animations */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ribbonFloat {
  0% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
  100% { transform: translateY(0) rotate(-2deg); }
}

.animate-reveal {
  animation: slideIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-container img {
  height: 40px;
  border-radius: 50%;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

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

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding-top: 100px;
}

.hero-ribbon {
  position: absolute;
  width: 140%;
  height: 60px;
  filter: blur(40px);
  opacity: 0.4;
  z-index: -1;
  animation: ribbonFloat 8s ease-in-out infinite;
}

.ribbon-top {
  top: 30%;
  background: var(--accent-gradient-1);
}

.ribbon-bottom {
  bottom: 30%;
  background: var(--accent-gradient-2);
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}

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

.cta-button {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  background: #ffffff;
  color: #000000;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Features */
.features {
  padding: 8rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 24px;
  transition: border-color 0.3s, background 0.3s;
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

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

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

/* Footer */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }
}
