:root {
  --primary: #0f172a;
  --primary-accent: #1d4ed8;
  --accent: #fbbf24;
  --bg: #0b1120;
  --card-bg: #020617;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1e293b 0, #020617 45%, #000 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & nav */

header {
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

header .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

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

nav a {
  color: var(--muted);
  margin-left: 18px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* Layout */

main {
  max-width: 1100px;
  margin: 24px auto 40px;
  padding: 0 20px 40px;
  flex: 1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr);
  gap: 28px;
  align-items: center;
  margin-top: 30px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

.card {
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 55%),
              radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.16), transparent 55%),
              var(--card-bg);
  border-radius: 18px;
  padding: 24px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.7);
}

/* Hero text */

.hero-kicker {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: 2.1rem;
  margin: 0 0 0.3rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.1rem;
}

.badge {
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.75rem;
  color: var(--muted);
}

/* Buttons */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.12s ease, border-color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-accent), #22c55e);
  color: #0b1120;
  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.55);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: rgba(148, 163, 184, 0.5);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Right hero panel */

.hero-panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.stack-list {
  list-style: none;
  padding-left: 0;
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.stack-list li {
  margin-bottom: 0.4rem;
}

/* Lower grid */

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.section-text {
  font-size: 0.95rem;
  color: var(--muted);
}

/* Links */

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

/* Footer */

footer {
  border-top: 1px solid var(--border-subtle);
  padding: 14px 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  background: #020617;
}

footer a {
  color: var(--muted);
}