/* Brief landing page — navy/white, mobile-first, fast, no external fonts/assets. */
:root {
  --navy: #1b2a4a;
  --navy-soft: #2e4472;
  --ink: #1a1a1a;
  --muted: #5b6472;
  --bg: #ffffff;
  --card: #f4f6fb;
  --line: #e3e8f2;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
h1, h2 { line-height: 1.15; letter-spacing: -0.01em; }
section, header, footer { padding: 32px 20px; max-width: 720px; margin: 0 auto; }

.hero { text-align: center; padding-top: 56px; }
.badge {
  display: inline-block; font-weight: 800; color: #fff; background: var(--navy);
  padding: 6px 14px; border-radius: 10px; letter-spacing: 0.02em; margin-bottom: 22px;
}
.hero h1 { font-size: 2.5rem; margin: 0 0 14px; color: var(--navy); }
.tagline { font-size: 1.15rem; color: var(--muted); max-width: 34ch; margin: 0 auto 26px; }

.cta { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.btn {
  display: inline-block; width: 100%; max-width: 320px; text-align: center;
  padding: 15px 22px; border-radius: 13px; font-weight: 700; text-decoration: none;
  border: 1.5px solid var(--navy); color: var(--navy); background: #fff;
  transition: transform .05s ease;
}
.btn.primary { background: var(--navy); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn[data-placeholder] { position: relative; }
.btn[data-placeholder]::after {
  content: "soon"; position: absolute; top: -8px; right: 10px; font-size: 10px;
  background: var(--navy-soft); color: #fff; padding: 1px 6px; border-radius: 8px; font-weight: 700;
}
.cta-note { font-size: 0.85rem; color: var(--muted); margin-top: 16px; }

.video-slot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  aspect-ratio: 16 / 9; background: var(--card); border: 2px dashed var(--line); border-radius: 16px;
  color: var(--navy); font-weight: 700;
}
.video-slot small { color: var(--muted); font-weight: 500; }

.how ol { padding-left: 0; list-style: none; counter-reset: step; }
.how li { counter-increment: step; position: relative; padding: 12px 0 12px 46px; border-top: 1px solid var(--line); }
.how li:first-child { border-top: none; }
.how li::before {
  content: counter(step); position: absolute; left: 0; top: 12px;
  width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 0.9rem;
}

.privacy { background: var(--card); max-width: none; }
.privacy > * { max-width: 720px; margin-left: auto; margin-right: auto; }
.privacy h2 { color: var(--navy); }
.privacy ul { padding-left: 20px; }
.privacy li { margin: 10px 0; color: var(--ink); }

footer { text-align: center; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--navy); }

@media (min-width: 620px) {
  .cta { flex-direction: row; justify-content: center; }
  .hero h1 { font-size: 3rem; }
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#0f1524; --ink:#eef2fb; --muted:#9aa6bd; --card:#161d30; --line:#26304a; --navy:#8fb0ff; --navy-soft:#42598f; }
  .badge { color:#0f1524; }
  .btn.primary { color:#0f1524; }
  .how li::before { color:#0f1524; }
}