:root {
  --ink: #0f141c;
  --asphalt: #171f2b;
  --steel: #232e3d;
  --line: #324053;
  --paper: #f4f6fa;
  --text: #e9eef6;
  --muted: #9fb0c3;
  --accent: #ff7a45;
  --accent-dark: #e05f2b;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--ink);
  color: var(--text);
  line-height: 1.6;
}

.wrap {
  width: min(1080px, 100% - 3rem);
  margin-inline: auto;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

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

/* buttons */
.btn {
  display: inline-block;
  padding: 0.65rem 1.3rem;
  border-radius: 8px;
  background: var(--accent);
  color: #1a1005;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--accent);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-ghost:hover { border-color: var(--muted); background: transparent; }

/* hero */
.hero {
  position: relative;
  padding-block: clamp(4rem, 10vh, 7rem) 4rem;
  background: linear-gradient(160deg, var(--asphalt) 0%, var(--ink) 60%);
  overflow: hidden;
}

.hero-copy { position: relative; z-index: 2; max-width: 34rem; }

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.hero .lead {
  margin: 0 0 1.8rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.hero-art {
  position: absolute;
  right: -4rem;
  bottom: 0;
  width: min(46rem, 60vw);
  opacity: 0.5;
  z-index: 1;
  pointer-events: none;
}

/* cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-block: 3rem;
}

.card {
  background: var(--steel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
}

.card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  color: var(--accent);
}

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

/* about */
.about {
  margin-block: 1rem 4rem;
  padding: 2rem;
  background: var(--asphalt);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.about h2 { margin: 0 0 0.8rem; font-size: 1.4rem; }

.about p { margin: 0; color: var(--muted); max-width: 46rem; }

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 1.4rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

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

/* narrow screens */
@media (max-width: 820px) {
  .cards { grid-template-columns: 1fr; }
  .hero-art { width: 70vw; opacity: 0.3; right: -8rem; }
}