/* Cover site for the Reality tunnel: generic "video archive service", no real backend. */
:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #61707f;
  --brand: #1f4e79;
  --brand-2: #2f6fb0;
  --line: #e3e8ee;
  --ok: #2e7d5b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.bar {
  max-width: 1040px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo { font-weight: 700; color: var(--brand); font-size: 19px; white-space: nowrap; }
.logo span { color: var(--brand-2); }
nav.main { display: flex; gap: 18px; flex-wrap: wrap; }
nav.main a { color: var(--ink); font-size: 15px; }
.bar .spacer { flex: 1; }
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 15px;
  border: 0;
  cursor: pointer;
}
.btn:hover { background: var(--brand-2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }

.hero {
  background: linear-gradient(135deg, #1f4e79 0%, #2f6fb0 100%);
  color: #fff;
}
.hero .wrap { max-width: 1040px; margin: 0 auto; padding: 64px 20px; }
.hero h1 { font-size: 34px; margin: 0 0 14px; }
.hero p { font-size: 18px; max-width: 640px; opacity: .95; }
.hero .btn { margin-top: 22px; background: #fff; color: var(--brand); }

main { max-width: 1040px; margin: 0 auto; padding: 40px 20px; }
h2 { font-size: 26px; margin: 0 0 18px; }
h3 { margin: 0 0 8px; font-size: 18px; }
.lead { color: var(--muted); font-size: 17px; max-width: 720px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin: 28px 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
}
.card .ico { font-size: 26px; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }

table.specs { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
table.specs th, table.specs td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 15px; }
table.specs th { background: #eef2f7; color: var(--brand); width: 40%; }
table.specs tr:last-child td { border-bottom: 0; }

ul.checks { list-style: none; padding: 0; }
ul.checks li { padding: 6px 0 6px 26px; position: relative; }
ul.checks li::before { content: "✓"; color: var(--ok); position: absolute; left: 0; font-weight: 700; }

footer.site { border-top: 1px solid var(--line); background: var(--card); color: var(--muted); }
footer.site .wrap { max-width: 1040px; margin: 0 auto; padding: 28px 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 14px; }

/* Login page */
.auth-wrap { min-height: calc(100vh - 62px); display: flex; align-items: center; justify-content: center; padding: 32px 20px; }
.auth-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 32px; width: 100%; max-width: 380px; box-shadow: 0 8px 30px rgba(31,78,121,.08); }
.auth-card h2 { font-size: 22px; margin-bottom: 6px; }
.auth-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--ink); }
.field input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; }
.field input:focus { outline: none; border-color: var(--brand-2); }
.auth-card .btn { width: 100%; }
.auth-note { color: var(--muted); font-size: 13px; margin-top: 16px; text-align: center; }
.auth-msg { display: none; background: #fdecec; color: #a12b2b; border: 1px solid #f3c6c6; padding: 10px 12px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; margin-bottom: 18px; }
.row label { color: var(--muted); }

@media (max-width: 640px) {
  .bar { gap: 12px; }
  nav.main { display: none; }
  .hero h1 { font-size: 27px; }
}