:root {
  --bg: #ffffff;
  --bg-soft: #f3f8f7;
  --text: #0f1f1d;
  --muted: #4b5f5c;
  --line: #dbe7e5;
  --brand: #0f766e;
  --brand-dark: #0b5a54;
  --accent: #f59e0b;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 118, 110, 0.08);
  --max: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1514;
    --bg-soft: #10201e;
    --text: #e7f1ef;
    --muted: #9fb5b1;
    --line: #1f3532;
    --brand: #2dd4bf;
    --brand-dark: #5eead4;
    --card: #12221f;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(var(--max), 100% - 32px); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px; font-weight: 600;
  background: var(--brand); color: #fff; border: 1px solid var(--brand);
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-ghost:hover { background: var(--bg-soft); }
@media (prefers-color-scheme: dark) { .btn { color: #052e2b; } .btn-ghost { color: var(--brand); } }

/* Hero */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.12; margin: 0 0 18px; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; margin: 0 0 8px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); background: var(--card); }

/* Sections */
section { padding: 72px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { color: var(--muted); margin: 0; }
.alt { background: var(--bg-soft); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card p { color: var(--muted); margin: 0; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--brand) 12%, transparent); color: var(--brand); margin-bottom: 16px;
}
.icon svg { width: 22px; height: 22px; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { position: relative; padding-top: 44px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 0; left: 0; width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--accent);
}
.step p { color: var(--muted); margin: 0; }

.contact-box {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 40px; box-shadow: var(--shadow);
}
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.contact-list li { display: flex; gap: 10px; align-items: center; }

/* Legal pages */
.legal { padding: 56px 0 72px; }
.legal .container { max-width: 760px; }
.legal h2 { font-size: 1.3rem; margin-top: 36px; }
.legal p, .legal li { color: var(--muted); }
.updated { color: var(--muted); font-size: .9rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .92rem; }
.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-row nav { display: flex; gap: 20px; }

@media (max-width: 900px) {
  .hero-grid, .contact-box { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  section { padding: 56px 0; }
  .contact-box { padding: 26px; }
}