/* Sitio público de GymTracking: misma paleta y tipografías que la app */
:root {
  --bg: #10151c; --panel: #161d26; --card: #1b232e; --ink: #f1ede4; --dim: #9aa4ac;
  --accent: #e8395f; --accent-ink: #fff; --accent-soft: rgba(232, 57, 95, 0.16);
  --sage: #8fb3a0; --line: #2a3340;
  --display: 'Bebas Neue', 'Impact', 'Arial Narrow', sans-serif;
  --body: 'Barlow', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f2f5f3; --panel: #e8eeeb; --card: #fff; --ink: #16202a; --dim: #56636d;
    --accent: #c42347; --accent-soft: rgba(196, 35, 71, 0.10); --sage: #2f7058; --line: #d2dad6;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 17px/1.65 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; }
img, iframe { max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 780px; margin: 0 auto; padding: 0 16px; }

/* Cabecera y pie */
.site-head { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.site-head .wrap { display: flex; align-items: center; gap: 14px; min-height: 60px; flex-wrap: wrap; padding-block: 8px; }
.logo { font-family: var(--display); font-size: 28px; letter-spacing: 0.04em; color: var(--ink); text-decoration: none; line-height: 1; }
.logo span { color: var(--accent); }
.site-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-right: auto; font-size: 15px; }
.site-nav a { color: var(--dim); text-decoration: none; font-weight: 600; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--ink); }
.lang-link { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--dim); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; text-decoration: none; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px; padding: 10px 18px; font-weight: 700; text-decoration: none; font-size: 16px; cursor: pointer; }
.btn-sm { padding: 7px 14px; font-size: 14.5px; }
.btn-ghost { background: none; color: var(--ink); border: 1px solid var(--line); }
.site-foot { border-top: 1px solid var(--line); margin-top: 64px; padding: 28px 0 40px; font-size: 14px; color: var(--dim); }
.site-foot nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.site-foot a { color: var(--dim); }

/* Contenido */
main { padding: 28px 0 0; }
h1, h2, h3 { line-height: 1.15; text-wrap: balance; }
h1 { font-family: var(--display); font-weight: 400; font-size: clamp(40px, 8vw, 60px); letter-spacing: 0.02em; margin: 0 0 12px; line-height: 0.98; }
h2 { font-size: 24px; margin: 36px 0 10px; }
h3 { font-size: 19px; margin: 24px 0 8px; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 6px; }
.lead { font-size: 19px; color: var(--dim); }
.crumbs { font-size: 13.5px; color: var(--dim); margin-bottom: 14px; }
.crumbs a { color: var(--dim); }
.kicker { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.grid .card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 0; padding: 0; list-style: none; }
.tag { font-family: var(--mono); font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: var(--panel); border: 1px solid var(--line); color: var(--dim); }
.tag.warn { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.tag.ok { color: var(--sage); }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--dim); background: var(--panel); }
.tbl { border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; background: var(--card); margin-bottom: 16px; }
.tbl tr:last-child td { border-bottom: 0; }
.facts td:first-child { color: var(--dim); width: 40%; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); margin: 8px 0 20px; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.cta { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin: 32px 0; background: var(--accent-soft); border-color: var(--accent); }
.cta p { margin: 0; font-weight: 600; }
.note { font-size: 14px; color: var(--dim); border-left: 3px solid var(--line); padding-left: 12px; margin-top: 28px; }
.list-links { columns: 2 220px; padding-left: 18px; }
.list-links li { break-inside: avoid; }
.muted { color: var(--dim); }
.group-h { font-size: 16px; margin: 22px 0 8px; }
.group-h span { font-family: var(--mono); font-size: 12px; color: var(--accent); text-transform: uppercase; }

/* Landing */
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 28px; align-items: center; padding: 16px 0 24px; }
.hero h1 { font-size: clamp(44px, 9vw, 70px); }
.mini { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.mini span { aspect-ratio: 1; border-radius: 6px; background: var(--panel); }
.mini .l1 { background: rgba(232, 57, 95, 0.35); } .mini .l2 { background: rgba(232, 57, 95, 0.65); } .mini .l3 { background: var(--accent); }
@media (max-width: 620px) { .hero { grid-template-columns: 1fr; } .mini { max-width: 260px; } }

/* Calculadoras */
.calc { display: grid; gap: 12px; margin: 8px 0 20px; }
.calc .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: 10px; }
.calc label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--dim); }
.calc input, .calc select { font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; }
.calc .result { font-size: 18px; min-height: 1.6em; }
.calc .result b { font-family: var(--display); font-weight: 400; font-size: 40px; color: var(--accent); letter-spacing: 0.02em; }

/* Publicidad (oculta hasta que ads.js la active) */
.ad-slot { display: none; margin: 28px 0; min-height: 120px; }
.ad-slot.on { display: block; }
.ad-slot::before { content: attr(data-label); display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
@media (max-width: 620px) {
  .site-head { position: static; }
  .site-head .wrap { gap: 10px; }
  .logo { margin-right: auto; }
  .site-nav { order: 3; width: 100%; margin-right: 0; gap: 18px; }
}