:root {
  --ink: #0f1b2d;
  --muted: #5b6676;
  --line: #e3e8ef;
  --bg: #ffffff;
  --panel: #f5f8fc;
  --navy: #0f2a4a;
  --accent: #1f7ae0;
  --accent-ink: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eef6;
    --muted: #9aa7b8;
    --line: #253246;
    --bg: #0b1220;
    --panel: #111b2d;
    --navy: #e8eef6;
    --accent: #4d9cf0;
    --accent-ink: #06101f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 40px 20px 56px; }

.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 40px; }
.name { font-weight: 700; font-size: 20px; letter-spacing: -0.01em; color: var(--navy); }
.mark { display: inline-flex; align-items: flex-end; gap: 3px; height: 22px; }
.mark i { display: block; width: 5px; border-radius: 1px; background: var(--navy); }
.mark i:nth-child(1) { height: 9px; }
.mark i:nth-child(2) { height: 15px; }
.mark i:nth-child(3) { height: 22px; background: var(--accent); }

h1 { font-size: clamp(30px, 7vw, 44px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 16px; }
.lede { color: var(--muted); font-size: 18px; margin: 0 0 28px; }

.signup { display: flex; gap: 10px; flex-wrap: wrap; }
.signup input[type="email"] {
  flex: 1 1 240px; min-width: 0;
  font: inherit; padding: 13px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink);
}
.signup input[type="email"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.signup button {
  flex: 0 0 auto;
  font: inherit; font-weight: 600; padding: 13px 20px;
  border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
}
.signup button:hover { filter: brightness(1.06); }
@media (max-width: 420px) { .signup button { flex: 1 1 100%; } }

.fine { color: var(--muted); font-size: 14px; margin: 10px 0 44px; }

.points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .points { grid-template-columns: 1fr; } }
.points div { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.points h2 { font-size: 16px; margin: 0 0 4px; }
.points p { margin: 0; color: var(--muted); font-size: 15px; }

footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer p { margin: 0 0 8px; }
.disclaimer { font-size: 13px; }
a { color: var(--accent); }
.back { text-decoration: none; }

.sr, .hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }