/* Keepr — btngroup.eu/keepr
   Shares the app's own palette: near-black ground, warm paper, one blue accent. */

:root {
  --bg: #0a0a0e;
  --bg-lift: #14141a;
  --surface: #16161c;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);
  --fg: #ffffff;
  --fg2: #a5a5b2;
  --fg3: #7d7d89;
  --paper: #f7f4ed;
  --accent: #0a84ff;
  --pos: #6fe38b;
  --radius: 22px;
  --shell: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.shell { width: min(100% - 40px, var(--shell)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--paper); color: #000; padding: 12px 18px; border-radius: 0 0 12px 0; z-index: 50;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 10, 14, 0.78);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; display: block; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--fg2); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  color: var(--fg) !important; border: 1px solid var(--line-strong);
  padding: 8px 16px; border-radius: 999px;
}
.menu-button {
  display: none; margin-left: auto; background: transparent; color: var(--fg);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 16px; font: inherit; font-size: 15px; cursor: pointer;
}

/* Hero */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; padding: 84px 0 72px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px; font-weight: 620; color: var(--fg3); margin: 0 0 18px; }
h1 { font-size: clamp(40px, 6vw, 62px); line-height: 1.04; letter-spacing: -0.035em; margin: 0 0 20px; font-weight: 700; }
h1 span { color: var(--fg3); display: block; }
.hero p { color: var(--fg2); font-size: 18px; margin: 0 0 28px; max-width: 52ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.store-button {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--paper); color: #0c0c0d; border-radius: 14px; padding: 12px 22px; text-decoration: none;
}
.store-button small { display: block; font-size: 11px; opacity: 0.65; line-height: 1.2; }
.store-button strong { display: block; font-size: 17px; letter-spacing: -0.02em; }
.no-account { color: var(--fg3); font-size: 14px; }

/* The card mock */
.hero-card {
  background: linear-gradient(160deg, var(--bg-lift), var(--bg));
  border: 1px solid var(--line); border-radius: 28px; padding: 26px;
}
.card-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--fg3); margin-bottom: 20px; }
.member { display: flex; align-items: center; gap: 13px; margin-bottom: 20px; }
.avatar {
  width: 46px; height: 46px; border-radius: 999px; background: rgba(255,255,255,0.07);
  display: grid; place-items: center; font-size: 14px; font-weight: 620; color: var(--fg2);
}
.member b { display: block; font-size: 17px; letter-spacing: -0.02em; }
.member span { color: var(--fg3); font-size: 13px; }
.balance { font-size: 46px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.balance sup { font-size: 15px; font-weight: 500; color: var(--fg3); vertical-align: middle; margin-left: 8px; letter-spacing: 0; }
.progress { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.08); margin: 20px 0 10px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 78%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), #6f8cff); }
.progress-note { font-size: 13px; color: var(--fg3); }

/* Sections */
section { padding: 68px 0; }
h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.03em; line-height: 1.12; margin: 0 0 16px; font-weight: 700; }
.lede { color: var(--fg2); font-size: 18px; max-width: 62ch; margin: 0 0 36px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--fg2); font-size: 15.5px; }

/* Pricing */
.tiers { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.tier { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.tier.featured { border-color: var(--accent); }
.tier .badge {
  position: absolute; top: 18px; right: 20px; font-size: 11px; font-weight: 650;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--pos);
  background: rgba(111, 227, 139, 0.14); padding: 5px 10px; border-radius: 999px;
}
.tier .price { font-size: 38px; font-weight: 700; letter-spacing: -0.035em; margin: 12px 0 2px; }
.tier .cadence { color: var(--fg3); font-size: 14px; }
.tier p { color: var(--fg2); font-size: 15px; margin: 16px 0 0; }
.trial-note { margin-top: 22px; color: var(--fg3); font-size: 14.5px; }

/* Platforms */
.platforms { display: flex; flex-wrap: wrap; gap: 12px; }
.platform { border: 1px solid var(--line); border-radius: 999px; padding: 9px 18px; color: var(--fg2); font-size: 15px; }

/* Long-form legal */
.legal { padding: 56px 0 88px; }
.legal h1 { font-size: clamp(32px, 4.4vw, 44px); }
.legal h2 { font-size: 22px; margin: 40px 0 10px; }
.legal h3 { font-size: 17px; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--fg2); font-size: 16.5px; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--fg); font-weight: 600; }
.updated { color: var(--fg3); font-size: 14px; margin-bottom: 34px; }
.legal a { color: var(--accent); }

.callout {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 14px; padding: 18px 22px; margin: 26px 0;
}
.callout p { margin: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0 48px; color: var(--fg3); font-size: 14.5px; }
.footer-row { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.footer-row a { color: var(--fg2); text-decoration: none; }
.footer-row a:hover { color: var(--fg); }
.footer-row .spacer { margin-left: auto; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 48px; }
  .grid, .tiers { grid-template-columns: 1fr; }
  .menu-button { display: inline-block; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: var(--bg-lift); border-bottom: 1px solid var(--line); padding: 16px 20px 22px;
  }
  .nav-links.open { display: flex; }
  .nav { position: relative; }
}