:root {
  --bg: #0f1115;
  --panel: rgba(21, 25, 35, 0.92);
  --text: #e6e6e6;
  --muted: #9ba1b4;
  --accent: #5ac8fa;
  --accent2: #4caf50;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% 80%, rgba(90,200,250,0.14), transparent),
    radial-gradient(1200px 600px at 20% 10%, rgba(76,175,80,0.12), transparent),
    var(--bg);
}

.hero {
  min-height: 70vh;
  padding: 32px 7vw 64px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

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

.brand {
  font-weight: 700;
  font-size: 20px;
}

.main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  align-items: center;
}

.pitch h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin: 0 0 14px;
}

.pitch p {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 520px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #0b0d12;
}

.btn.outline {
  border-color: rgba(90, 200, 250, 0.6);
  background: transparent;
}

.btn.ghost {
  border-color: transparent;
  background: rgba(255, 255, 255, 0.06);
  padding: 9px 18px;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(12px);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

.card img {
  width: 100%;
  display: block;
  border-radius: 14px;
  object-fit: cover;
}

.section {
  padding: 56px 7vw;
  background: rgba(15, 17, 21, 0.65);
  backdrop-filter: blur(14px);
}

.section h2 {
  margin-top: 0;
  font-size: 28px;
}

.section ol {
  color: var(--muted);
  max-width: 680px;
  line-height: 1.6;
}

.section pre {
  background: rgba(21, 25, 35, 0.9);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
  color: var(--accent);
}

.footer {
  padding: 24px 7vw;
  background: #0d0f14;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 720px) {
  .hero {
    padding: 24px 5vw 48px;
  }

  .nav {
    flex-direction: column;
    gap: 16px;
  }

  .actions {
    width: 100%;
  }

  .btn {
    flex: 1;
    justify-content: center;
  }
}
