:root {
  --bg: #f5f5f8; --card: #fff; --soft: #efeff3; --line: #e5e5eb; --fg: #111114; --muted: #74747e;
  --ink: #111114; --on-ink: #fff; --good: #3fa36b; --warn: #d99a2b; --bad: #d9574f;
  --r: 24px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d0d10; --card: #1a1a1f; --soft: #24242b; --line: #2c2c34; --fg: #f3f3f6; --muted: #8f8f9a; --ink: #f3f3f6; --on-ink: #111114; }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--fg); font: 16px/1.5 Inter, -apple-system, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.mark { font-weight: 900; letter-spacing: 2px; font-size: 20px; text-decoration: none; }
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.nav-r { display: flex; align-items: center; gap: 10px; }
.lang { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 6px 10px; font: 600 12px Inter, sans-serif; cursor: pointer; }
.btn { display: inline-flex; align-items: center; justify-content: center; background: var(--ink); color: var(--on-ink); border: 0; border-radius: 999px; padding: 14px 22px; font: 700 15px Inter, sans-serif; text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn-sm { padding: 9px 14px; font-size: 13px; }
.btn:disabled { opacity: .6; }
.eyebrow { text-transform: uppercase; letter-spacing: 1.4px; font-size: 12px; font-weight: 700; color: var(--muted); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; padding-top: 28px; padding-bottom: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 9vw, 64px); line-height: 1.02; letter-spacing: -1.6px; font-weight: 900; margin: 12px 0 16px; }
.lead { font-size: 18px; color: var(--muted); max-width: 520px; }
.wl { display: flex; gap: 8px; margin-top: 26px; max-width: 460px; }
.wl input[type=email] { flex: 1; min-width: 0; background: var(--card); border: 1.5px solid var(--line); color: var(--fg); border-radius: 999px; padding: 14px 18px; font: 500 16px Inter, sans-serif; }
.wl input[type=email]:focus { outline: none; border-color: var(--fg); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.wl-msg { min-height: 22px; margin-top: 10px; font-weight: 600; font-size: 14px; }
.wl-msg.ok { color: var(--good); } .wl-msg.err { color: var(--bad); }
.fine { font-size: 13px; color: var(--muted); }

/* Teléfono hecho con CSS: así se ve la app sin capturas con datos reales. */
.phone { justify-self: center; width: 300px; max-width: 100%; aspect-ratio: 9 / 18.5; background: #000; border-radius: 48px; padding: 12px; box-shadow: 0 30px 80px rgba(20, 20, 40, .22); }
.screen { height: 100%; background: var(--bg); border-radius: 38px; padding: 34px 14px 14px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; font-size: 12px; }
.p-top { display: flex; justify-content: space-between; align-items: center; } .p-top b { letter-spacing: 1.5px; font-weight: 900; font-size: 15px; }
.streak { background: var(--card); border-radius: 999px; padding: 3px 9px; font-weight: 700; }
.p-week { display: flex; justify-content: space-between; }
.d { font-style: normal; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; border: 2.5px solid var(--soft); font-weight: 600; font-size: 11px; }
.d.good { border-color: var(--good); } .d.low { border-color: var(--warn); } .d.over { border-color: var(--bad); } .d.live { border-color: var(--fg); border-right-color: var(--soft); }
.p-card { background: var(--card); border-radius: 16px; padding: 10px 12px; }
.p-cal { display: flex; justify-content: space-between; align-items: center; padding: 14px; }
.p-big { font-size: 28px; font-weight: 800; letter-spacing: -.6px; line-height: 1; } .p-big small { font-size: 12px; color: var(--muted); font-weight: 600; }
.p-mut { color: var(--muted); margin-top: 4px; }
.ring { --p: 70; width: 62px; height: 62px; border-radius: 50%; background: conic-gradient(var(--fg) calc(var(--p) * 1%), var(--soft) 0); -webkit-mask: radial-gradient(farthest-side, transparent 72%, #000 73%); mask: radial-gradient(farthest-side, transparent 72%, #000 73%); }
.p-macros { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.p-macros b { display: block; font-size: 15px; } .p-macros span { color: var(--muted); font-size: 11px; }
.bar { height: 5px; background: var(--soft); border-radius: 3px; margin-top: 6px; } .bar i { display: block; height: 100%; border-radius: 3px; }
.p-tip { font-size: 11.5px; line-height: 1.4; }
.p-chips { display: flex; gap: 6px; overflow: hidden; } .p-chips span { background: var(--card); border-radius: 999px; padding: 6px 9px; white-space: nowrap; font-weight: 600; font-size: 11px; }
.p-gym b { display: block; font-size: 13px; } .p-gym span { color: var(--good); font-weight: 600; font-size: 11.5px; }
.p-run { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; } .p-run b { font-size: 16px; } .p-run span { color: var(--muted); }
.p-run em { font-style: normal; background: var(--good); color: #fff; border-radius: 999px; padding: 2px 8px; font-size: 10px; font-weight: 700; }

.features { padding-top: 32px; padding-bottom: 56px; }
.features h2, .coach h2 { font-size: clamp(28px, 6vw, 40px); line-height: 1.1; letter-spacing: -.8px; font-weight: 800; max-width: 680px; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 28px; }
.grid article { background: var(--card); border-radius: var(--r); padding: 22px; }
.grid .ic { font-size: 26px; }
.grid h3 { font-size: 18px; margin: 10px 0 6px; letter-spacing: -.2px; }
.grid p { color: var(--muted); font-size: 15px; }

.coach { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 32px; padding-bottom: 64px; align-items: center; }
.coach h2 { margin: 10px 0 12px; }
.coach > div > p { color: var(--muted); max-width: 520px; }
.report { background: var(--card); border-radius: var(--r); padding: 22px; font: 500 14px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; color: var(--fg); overflow-x: auto; }

.foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 24px; padding-bottom: 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 18px; } .foot a { text-decoration: none; }

/* Páginas de texto: privacidad y soporte */
.doc { max-width: 720px; padding-top: 24px; padding-bottom: 64px; }
.doc h1 { font-size: clamp(32px, 7vw, 44px); letter-spacing: -1px; line-height: 1.1; margin: 8px 0 8px; }
.doc .upd { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.doc h2 { font-size: 20px; margin: 30px 0 8px; letter-spacing: -.2px; }
.doc p, .doc li { color: var(--fg); opacity: .88; }
.doc ul { padding-left: 20px; display: grid; gap: 6px; margin: 8px 0; }
.doc details { background: var(--card); border-radius: 18px; padding: 16px 18px; margin-top: 10px; }
.doc summary { font-weight: 700; cursor: pointer; }
.doc details p { margin-top: 8px; }
.doc .box { background: var(--card); border-radius: 18px; padding: 18px; margin-top: 12px; }

@media (min-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); padding-top: 56px; padding-bottom: 88px; }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .coach { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .wl { flex-direction: column; } .wl .btn { width: 100%; }
}