:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fb;
  --text: #1a2233;
  --muted: #5a6478;
  --primary: #2f5bea;
  --primary-dark: #1f3fb0;
  --accent: #12b5a5;
  --border: #e3e7f0;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 35, 80, 0.08);
  --max: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --bg-alt: #161d2d;
    --text: #e8ecf5;
    --muted: #a3adc2;
    --primary: #6d8cff;
    --primary-dark: #4f6fe6;
    --accent: #3fd8c7;
    --border: #263049;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

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

img { max-width: 100%; }

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

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* 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(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-size: 1.15rem; }
.logo strong { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a:not(.btn) { color: var(--text); text-decoration: none; font-weight: 500; }
.nav-menu a:not(.btn):hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--text); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  background: var(--primary); color: #fff; text-decoration: none; font-weight: 600;
  border: 2px solid var(--primary); transition: background .2s, transform .2s;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; }
.btn-small { padding: 8px 18px; }

/* Hero */
.hero {
  padding: 110px 0 100px;
  background:
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 45%),
    radial-gradient(circle at 10% 90%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 50%);
}
.hero-inner { max-width: 820px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--accent); margin: 0 0 12px; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.12; margin: 0 0 20px; }
.accent { background: linear-gradient(90deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.2rem; color: var(--muted); margin: 0 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 12px; }
.section-lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 40px; max-width: 680px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card-icon { font-size: 2rem; margin-bottom: 8px; }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }

.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.steps li { background: var(--bg); border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); }
.step-num { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; }
.steps h3 { margin: 14px 0 6px; }
.steps p { margin: 0; color: var(--muted); }

.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.about p { color: var(--muted); font-size: 1.05rem; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.facts li { display: flex; flex-direction: column; padding: 18px 22px; border-left: 4px solid var(--accent); background: var(--bg-alt); border-radius: 8px; }
.facts span { color: var(--muted); }

.contact { text-align: center; }
.contact .section-lead { margin-left: auto; margin-right: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: .95rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; gap: 20px; }
.footer-inner a { color: var(--muted); }

/* Legal pages */
.legal { padding: 64px 0 88px; max-width: 760px; }
.legal h1 { font-size: 2.2rem; }
.legal h2 { font-size: 1.3rem; margin-top: 32px; }

/* Mobile */
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 18px; padding: 24px 20px;
    background: var(--bg); border-bottom: 1px solid var(--border);
  }
  .nav-menu.open { display: flex; }
  .about { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 64px 0; }
}