@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Noto+Serif+SC:wght@400;600;700&display=swap');

:root {
  --bg-color: #ffffff;
  --bg-secondary: #fafafa;
  --text-main: #333333;
  --text-muted: #666666;
  --accent-primary: #4A5568; /* Moonlight Blue */
  --border-color: #f0f0f0;
  
  --font-serif: 'Noto Serif SC', 'Playfair Display', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  --transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-main);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Utilities */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-weight: 400;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  font-size: 1rem;
  letter-spacing: 0.05em;
  border-radius: 0; /* Sharp, clean edges */
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #333333;
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--text-main);
}

.btn-outline:hover {
  background: var(--bg-secondary);
}

.link-underline {
  position: relative;
  display: inline-block;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-bottom: 4px;
}

.link-underline::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--border-color);
  transition: var(--transition);
}

.link-underline:hover {
  color: var(--text-main);
}

.link-underline:hover::after {
  background-color: var(--text-main);
}

/* Header */
header {
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 40px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-main);
}

/* Hero Section (Asymmetrical) */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 5fr 7fr;
  align-items: center;
  padding-top: 100px; /* Offset for header */
}

.hero-content {
  padding-right: 80px;
  opacity: 0;
  animation: fadeIn 1.5s ease-out forwards 0.3s;
}

.hero h1 {
  font-size: 4.5rem;
  line-height: 1.2;
  margin-bottom: 30px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 450px;
  margin-bottom: 50px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-visual {
  height: 85vh;
  width: 100%;
  background-color: var(--bg-secondary);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeIn 2s ease-out forwards;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Features */
.section {
  padding: 160px 0;
}

.section-header {
  margin-bottom: 100px;
  max-width: 600px;
}

.section-title {
  font-size: 3rem;
  margin-bottom: 24px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 300;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
}

.feature-card {
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
}

.abstract-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 30px;
  color: var(--text-main);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 300;
}

/* AI & Streaming */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  align-items: center;
}

.split-content h3 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.split-content ul {
  list-style: none;
}

.split-content li {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.split-content li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-main);
  margin-top: 12px;
}

/* Pricing - Minimalist */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.pricing-card {
  padding: 60px 40px;
  background: var(--bg-secondary);
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.pricing-card:hover {
  background: #f0f0f0;
}

.pricing-card.premium {
  background: var(--text-main);
  color: #fff;
}

.pricing-card.premium .price,
.pricing-card.premium h3,
.pricing-card.premium .pricing-features {
  color: #fff;
}

.pricing-card.premium .pricing-features li { color: rgba(255,255,255,0.8); }
.pricing-card.premium .pricing-features li::before { background: #fff; }

.pricing-card h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 500;
}

.price {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  margin-bottom: 40px;
}

.price span {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
}

.pricing-features {
  list-style: none;
  text-align: left;
  flex-grow: 1;
  margin-bottom: 40px;
}

.pricing-features li {
  margin-bottom: 16px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background: var(--text-main);
}

/* Footer */
footer {
  padding: 100px 0 40px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-bottom {
  text-align: right;
  font-size: 0.85rem;
  color: #999;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .split-section { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 768px) {
  .hero { 
    grid-template-columns: 1fr; 
    padding-top: 120px; 
    text-align: center;
  }
  .hero-content { padding-right: 0; }
  .hero-actions { justify-content: center; }
  .hero-visual { height: 50vh; margin-top: 60px; }
  
  .hero h1 { font-size: 3rem; }
  .hero p { margin: 0 auto 40px; }
  
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .section { padding: 100px 0; }
  
  .footer-content { flex-direction: column; gap: 40px; text-align: center; }
  .footer-bottom { text-align: center; }
}