:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e5e7eb;
  --line-strong: #cbd5e1;
  --primary: #0f172a;
  --primary-hover: #1e293b;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --ok: #047857;
  --danger: #dc2626;
  --radius: 10px;
  --maxw: 760px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 12px 32px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.025em; line-height: 1.15; color: var(--ink); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary); color: #fff;
  border: 1px solid var(--primary); border-radius: 8px;
  padding: 13px 28px; font: inherit; font-weight: 600; font-size: 16px; cursor: pointer;
  transition: background .15s ease, box-shadow .15s ease, transform .05s ease;
}
.btn:hover { background: var(--primary-hover); border-color: var(--primary-hover); text-decoration: none; box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-block { width: 100%; padding: 14px 20px; }

/* ---------- hero ---------- */
.hero { padding: 92px 0 40px; border-bottom: 1px solid var(--line); }
.hero .wrap { text-align: center; }
.eyebrow {
  display: inline-block; margin: 0 0 22px; padding: 6px 13px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-soft); background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px;
}
.hero h1 { font-size: clamp(30px, 5.2vw, 46px); margin: 0 auto 20px; max-width: 18ch; }
.lede { font-size: clamp(16px, 2vw, 18.5px); color: var(--muted); max-width: 60ch; margin: 0 auto 30px; }
.hero-actions { margin-bottom: 56px; }

/* ---------- video ---------- */
.video { margin: 0; }
.video-frame {
  position: relative; aspect-ratio: 16 / 9; width: 100%;
  background: #0f172a; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #94a3b8; font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase;
  background:
    radial-gradient(120% 120% at 50% 0%, #1e293b 0%, #0f172a 60%);
}

/* ---------- contact ---------- */
.contact { padding: 64px 0; background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.contact .wrap { text-align: center; max-width: 620px; }
.contact h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 18px; }
.contact-about {
  margin: 0 auto 18px; max-width: 56ch; color: var(--ink-soft); font-size: 15.5px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px;
}
.contact-lede { color: var(--muted); margin: 0 auto 28px; max-width: 56ch; font-size: 16px; }
.contact-actions { margin-bottom: 18px; }
.contact-note { color: var(--muted); font-size: 13.5px; margin: 0; }

.btn-fb { background: #1877f2; border-color: #1877f2; gap: 10px; }
.btn-fb:hover { background: #1465d8; border-color: #1465d8; }
.btn-ic { width: 19px; height: 19px; fill: currentColor; }

/* ---------- faq ---------- */
.faq { padding: 64px 0; }
.faq h2 { font-size: clamp(22px, 3.2vw, 28px); text-align: center; margin: 0 0 28px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 36px 18px 2px; font-weight: 600; font-size: 16px; list-style: none; position: relative; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 20px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 2px 18px; color: var(--muted); font-size: 15.5px; }

/* ---------- connect (minimal) ---------- */
.connect { border-top: 1px solid var(--line); background: var(--bg); }
.connect-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 26px; padding-bottom: 26px; flex-wrap: wrap; }
.connect-label { color: var(--muted); font-size: 13.5px; }
.connect-links { display: flex; gap: 8px; }
.connect-links a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); transition: color .12s, border-color .12s, background .12s; }
.connect-links a:hover { color: var(--ink); border-color: var(--line-strong); background: var(--bg-alt); }
.connect-links svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .hero { padding: 60px 0 32px; }
  .contact, .faq { padding: 48px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}