:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --ink: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-green: #3fb950;
  --bg-tertiary: #21262d;
  --border: rgba(48, 54, 61, 0.6);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  --radius: 14px;
  --max-width: 1040px;
  --font-display: "JetBrains Mono", "Fira Code", monospace;
  --font-body: "IBM Plex Sans", "SF Mono", "Fira Code", monospace;
  --glow: radial-gradient(circle at 30% 20%, rgba(88, 166, 255, 0.08), transparent 60%),
    radial-gradient(circle at 80% 10%, rgba(163, 113, 247, 0.05), transparent 55%),
    radial-gradient(circle at 50% 80%, rgba(63, 185, 80, 0.04), transparent 60%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.ambient-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  z-index: 1;
}

.hero {
  position: relative;
  padding: 96px 20px 110px;
  background: var(--glow);
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -20% -10% 0;
  background: linear-gradient(145deg, rgba(13, 17, 23, 0.35), rgba(13, 17, 23, 0.95));
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  gap: 32px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.logo::before {
  content: "</";
  color: var(--accent-green);
}

.logo::after {
  content: "/>";
  color: var(--accent-green);
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0;
}

.hero-card {
  background: rgba(22, 27, 34, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 720px;
  display: grid;
  gap: 16px;
}

.hero-card h2 {
  margin: 0;
  font-size: 1.35rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.btn.primary {
  background: linear-gradient(120deg, #238636, #1a7f2e);
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(63, 185, 80, 0.2);
}

.btn.ghost {
  border-color: rgba(48, 54, 61, 0.8);
  color: var(--ink);
  background: var(--bg-tertiary);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(63, 185, 80, 0.25);
}

.meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta span::before {
  content: "•";
  color: var(--accent-green);
}

@media (max-width: 720px) {
  .hero {
    padding: 84px 18px 90px;
  }

  .hero-card {
    padding: 20px;
  }

  .hero-inner {
    gap: 24px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-card {
    max-width: 100%;
  }

  .cta-row {
    gap: 12px;
  }

  .btn {
    flex: 1 1 220px;
    width: 100%;
  }

  .meta {
    gap: 12px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 72px 16px 80px;
  }

  .logo {
    font-size: 1.1rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 9vw, 2.5rem);
  }

  .hero-card h2 {
    font-size: 1.2rem;
  }

  .meta {
    flex-direction: column;
  }
}