:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --fg: #0b1220;
  --muted: #55607a;
  --line: #e2e6ee;
  --accent: #1f6feb;
  --accent-fg: #ffffff;
  --radius: 12px;
  --wrap: 1100px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #111a2e;
    --fg: #e8ecf4;
    --muted: #9aa5bd;
    --line: #22304d;
    --accent: #4c8dff;
    --accent-fg: #0b1220;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw + 1rem, 4rem); max-width: 16ch; }
h2 { font-size: clamp(1.6rem, 2vw + 1rem, 2.4rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; text-decoration: none; color: var(--accent); }
.brand span { color: var(--fg); }
nav { display: flex; align-items: center; gap: 1.25rem; }
nav a { text-decoration: none; color: var(--muted); font-size: .95rem; }
nav a:hover { color: var(--fg); }

/* Buttons */
.btn {
  display: inline-block;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg) !important;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--fg) !important; border-color: var(--line); }
.btn-sm { padding: .45rem .9rem; font-size: .9rem; }

/* Sections */
.hero { padding: clamp(4rem, 10vw, 8rem) 0; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 60ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-lede { color: var(--muted); max-width: 60ch; margin-bottom: 2.5rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem 3rem; margin-top: 2rem; }

.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; background: var(--bg); }
.card p, .point p { color: var(--muted); margin: 0; }

.num { color: var(--accent); font-variant-numeric: tabular-nums; margin-right: .4rem; }

.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem 4rem; align-items: start; }
.contact-detail { margin: 0 0 .4rem; color: var(--muted); }
.contact-detail a { color: var(--fg); }

/* Form */
.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: .35rem; font-weight: 600; font-size: .95rem; }
.form .opt { font-weight: 400; color: var(--muted); }
.form input, .form textarea {
  font: inherit; font-weight: 400;
  padding: .7rem .85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.form textarea { resize: vertical; }
.form button { justify-self: start; cursor: pointer; font: inherit; font-weight: 600; }
.form-note { margin: 0; color: var(--muted); font-size: .85rem; }
.hp { position: absolute; left: -9999px; }

/* Long-form text (policies, articles) */
.prose { max-width: 70ch; }
.prose h1 { max-width: none; font-size: clamp(2rem, 3vw + 1rem, 3rem); }
.prose h2 { font-size: 1.3rem; margin-top: 2.5rem; }
.prose ul { padding-left: 1.25rem; margin: 0 0 1em; }
.prose li { margin-bottom: .4em; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: 0; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.footer nav { gap: 1.25rem; }

@media (max-width: 560px) {
  .nav { flex-wrap: wrap; height: auto; padding-top: .75rem; padding-bottom: .75rem; gap: .5rem; }
  .nav nav { width: 100%; justify-content: space-between; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}