/* Tactical Biscuit Training · estilos compartidos */
@font-face { font-family: "Big Shoulders Display"; font-weight: 800; font-display: swap; src: url(../fonts/big-shoulders-display-latin-800-normal.woff2) format("woff2"); }
@font-face { font-family: "Big Shoulders Display"; font-weight: 900; font-display: swap; src: url(../fonts/big-shoulders-display-latin-900-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-display: swap; src: url(../fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-display: swap; src: url(../fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --bg: #F3F7F6; --surface: #FFFFFF; --fg: #0D1A19; --muted: #4A5E5C; --line: #D6E2E0;
  --teal: #0E9188; --teal-ink: #0A6F68; --teal-soft: #E3F2F0;
  --coral: #E8622F; --on-accent: #0B1211;
  --band: #0B1211; --band-2: #121C1B; --band-fg: #EAF2F0; --band-muted: #9DB2AF; --band-line: #22302E;
  --font-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1211; --surface: #121C1B; --fg: #EAF2F0; --muted: #9DB2AF; --line: #22302E;
    --teal: #27B5AB; --teal-ink: #4FD0C6; --teal-soft: #12302D; --coral: #F07A4A;
    --band: #060B0A; --band-2: #0F1716; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1211; --surface: #121C1B; --fg: #EAF2F0; --muted: #9DB2AF; --line: #22302E;
  --teal: #27B5AB; --teal-ink: #4FD0C6; --teal-soft: #12302D; --coral: #F07A4A;
  --band: #060B0A; --band-2: #0F1716; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 16px; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 20px; }
h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; line-height: 0.98; margin: 0; letter-spacing: 0.01em; text-wrap: balance; }
p { margin: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--teal-ink); }

/* Cabecera */
.site-head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--band) 92%, transparent); backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--band-line); color: var(--band-fg); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand img { width: 40px; height: 40px; border-radius: 50%; }
.brand b { font-family: var(--font-display); font-weight: 900; font-size: 19px; text-transform: uppercase; letter-spacing: 0.05em; line-height: 0.95; }
.site-nav { display: flex; gap: 26px; font-size: 14px; }
.site-nav a { text-decoration: none; color: var(--band-muted); padding-block: 6px; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.site-nav a:hover { color: var(--band-fg); border-bottom-color: var(--coral); }
.btn-client { font-size: 13px; font-weight: 600; text-decoration: none; color: var(--band-fg); border: 1.5px solid var(--teal); border-radius: 999px; padding: 8px 16px; white-space: nowrap; transition: background .2s, color .2s; }
.btn-client:hover { background: var(--teal); color: var(--on-accent); }
@media (max-width: 860px) { .site-nav { display: none; } }

/* Pie */
.site-foot { background: var(--band); color: var(--band-muted); font-size: 13px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; padding-block: 28px; border-top: 1px solid var(--band-line); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-foot a { text-decoration: none; color: var(--band-muted); }
.site-foot a:hover { color: var(--band-fg); text-decoration: underline; }

/* Páginas legales */
.legal { padding-block: 56px 80px; max-width: 760px; }
.legal h1 { font-size: clamp(36px, 6vw, 56px); font-weight: 900; margin: 10px 0 8px; }
.legal .upd { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.legal h2 { font-size: 26px; font-weight: 800; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--fg); max-width: 68ch; }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 20px; margin: 10px 0; }
.legal li + li { margin-top: 6px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 12px; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--teal-ink); font-weight: 500; }
.legal .back { display: inline-block; margin-top: 40px; font-weight: 600; color: var(--teal-ink); }