:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --secondary: #6366f1;
  --dark: #0f172a;
  --darker: #020617;
  --light: #f8fafc;
  --gray: #94a3b8;
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--darker);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
.logo {
  font-family: "Outfit", sans-serif;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background: transparent;
}

.navbar-scrolled {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--primary);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

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

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

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background-image: url("/static/hero-bg.png");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(2, 6, 23, 0.4) 0%,
    rgba(2, 6, 23, 0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--gray);
  margin-bottom: 2.5rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(14, 165, 233, 0.2);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  backdrop-filter: blur(5px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
  color: var(--primary);
}

/* Section Common */
section {
  padding: 8rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Stats */
.stats {
  background: rgba(15, 23, 42, 0.5);
  padding: 4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--gray);
}

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

.feature-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(30, 41, 59, 0.6);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.feature-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* Stack */
.stack-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.stack-item img {
  height: 48px;
  object-fit: contain;
}

.stack-item i {
  font-size: 3rem;
}

.stack-item span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray);
}

/* Infra */
.infra-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.infra-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.infra-list {
  list-style: none;
  margin-top: 2rem;
}

.infra-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--gray);
}

.infra-list i {
  color: var(--primary);
}

.viz-box {
  background: rgba(30, 41, 59, 0.5);
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.viz-node {
  padding: 1rem 2rem;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid var(--primary);
  border-radius: 8px;
  font-weight: 700;
  font-family: "Outfit", sans-serif;
  color: var(--primary);
  min-width: 150px;
  text-align: center;
}

.viz-node.active {
  background: var(--primary);
  color: white;
}

.viz-node.sub {
  font-size: 0.75rem;
  min-width: 100px;
}

.viz-row {
  display: flex;
  gap: 1rem;
}

.viz-arrow {
  color: var(--gray);
  font-size: 1.5rem;
}

/* Footer */
.footer {
  background: var(--darker);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.footer-info h3 {
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.footer-info p {
  color: var(--gray);
}

.footer-social {
  display: flex;
  gap: 1.5rem;
}

.footer-social a {
  color: var(--gray);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.footer-social a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  color: var(--gray);
  font-size: 0.8rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
.glitch {
  position: relative;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }
  .infra-content {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}