:root {
  --bg: #0f1a14;
  --bg-alt: #14241b;
  --surface: #1b2f24;
  --text: #eaf2ec;
  --muted: #9db6a7;
  --accent: #2fbf71;
  --accent-2: #7fe0a6;
  --border: #26402f;
  --radius: 14px;
  --max: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 20px 24px;
}
.brand { font-weight: 700; font-size: 1.25rem; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 22px; font-size: .95rem; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; cursor: pointer; transition: .15s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #06130c; }
.btn-primary:hover { background: var(--accent-2); }
.btn-outline { border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); }
.btn-ghost { color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }

.hero {
  padding: 130px 24px 120px;
  background:
    linear-gradient(90deg, rgba(9,17,12,0.92) 0%, rgba(9,17,12,0.72) 42%, rgba(9,17,12,0.40) 100%),
    linear-gradient(rgba(9,17,12,0) 65%, var(--bg) 100%),
    url("hero.jpg") center 40% / cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: var(--max); margin: 0 auto; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 20px; max-width: 16ch; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 60ch; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.section { max-width: var(--max); margin: 0 auto; padding: 64px 24px; }
.section-alt { background: var(--bg-alt); max-width: none; }
.section-alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section h2 { font-size: 2rem; letter-spacing: -.02em; margin: 0 0 8px; }
.section-lede { color: var(--muted); margin: 0 0 32px; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--muted); }
.project h3 { color: var(--accent-2); }

.approach-lede { font-size: 1.2rem; color: var(--text); max-width: 68ch; margin: 8px 0 0; }

.contact { text-align: center; }
.contact p { color: var(--muted); margin: 0 0 24px; }

.site-footer { border-top: 1px solid var(--border); text-align: center; padding: 28px 24px; color: var(--muted); font-size: .9rem; }

@media (max-width: 640px) {
  .nav a:not(.btn) { display: none; }
}