:root {
  --bg: #0d0f12;
  --bg-alt: #131619;
  --surface: #191c20;
  --border: #2a2e33;
  --text: #eef0f2;
  --text-muted: #9aa1a9;
  --accent: #ff6b35;
  --accent-dim: #cc5527;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(13, 15, 18, 0.9);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

/* Hero */

.hero {
  padding: 120px 0 100px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 107, 53, 0.12), transparent 60%);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.tagline {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
}

/* Sections */

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 1.75rem;
  margin-bottom: 36px;
  letter-spacing: -0.01em;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

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

.card-badge {
  display: inline-block;
  background: rgba(255, 107, 53, 0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.card-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.card-link:hover {
  text-decoration: underline;
  transform: translateX(4px);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-brand {
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
}