/* ============================================================
   RUMBO · Base / Reset / Tipografía / Utilidades
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.25rem);
}

@media (hover: hover) and (pointer: fine) {
  html { scrollbar-gutter: stable; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3) var(--ease-out);
}

/* Bloqueo de scroll: menú móvil, modales y lightbox (sin saltos de layout) */
body.is-nav-open, body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }
img { font-style: italic; color: var(--ink-muted); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--track-mid);
  margin: 0 0 var(--space-4);
  text-wrap: balance;
}

h1 { font-size: var(--display-lg); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

p {
  margin: 0 0 var(--space-5);
  text-wrap: pretty;
}
p:last-child { margin-bottom: 0; }

a { color: inherit; }

/* Táctil: sin flash azul al tocar, sin retardo de doble-tap-zoom */
a, button, [role="button"], summary, label[for], select, input[type="checkbox"], input[type="radio"] {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

::placeholder { color: var(--ink-soft); opacity: 1; }

a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 72%, #000);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--signal); color: var(--signal-ink); }

input, textarea, select { caret-color: var(--accent); }

html { scrollbar-color: color-mix(in srgb, var(--ink-muted) 55%, transparent) transparent; }
*::-webkit-scrollbar { width: 11px; height: 11px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--ink-muted) 50%, transparent);
  border-radius: 999px;
  border: 3px solid var(--bg);
}
*::-webkit-scrollbar-thumb:hover { background: var(--accent); border-color: var(--bg); }

ul[class], nav ul { list-style: none; padding: 0; margin: 0; }

.serif {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0;
}

/* ── Tipografía utilitaria ─────────────────── */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--small);
  font-weight: 600;
  letter-spacing: var(--track-widest);
  text-transform: uppercase;
  color: var(--accent);
}
.kicker::before {
  content: "";
  width: 2.2rem;
  height: 2px;
  background: currentColor;
}
.kicker.kicker--signal { color: var(--signal); }
.kicker.kicker--hero { color: var(--hero-accent); }

.lead {
  font-size: var(--lead);
  line-height: 1.45;
  color: var(--ink-muted);
  max-width: 62ch;
  text-wrap: pretty;
}
.u-hero .lead { color: var(--hero-muted); }

.small { font-size: var(--small); }
.muted { color: var(--ink-muted); }
.track-wide { letter-spacing: var(--track-widest); }

/* ── Layout ────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--maxw-narrow); }

.section { padding-block: var(--space-9); }
.section--tight { padding-block: var(--space-7); }

.section-head {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  grid-template-columns: 1fr;
}
.section-head--split {
  align-items: end;
  grid-template-columns: 1fr auto;
}

/* ── Reveal (scroll) ───────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity var(--dur-5) var(--ease-out),
    transform var(--dur-5) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ── Skip link ─────────────────────────────── */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100%;
  z-index: 200;
  background: var(--signal);
  color: var(--signal-ink);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--r-s);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* ── Responsive helpers ────────────────────── */
@media (max-width: 768px) {
  .section { padding-block: var(--space-7); }
  .section--tight { padding-block: var(--space-6); }
  .section-head--split { grid-template-columns: 1fr; }
  .container { padding-inline: max(var(--space-4), var(--safe-l), var(--safe-r)); }
}

@media (max-width: 480px) {
  .section { padding-block: var(--space-6); }
  h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); }
  h2 { font-size: clamp(1.4rem, 4vw, 2rem); }
  h3 { font-size: clamp(1.1rem, 3vw, 1.4rem); }
}

/* Teléfono en horizontal: respira el padding vertical */
@media (orientation: landscape) and (max-height: 500px) {
  .section { padding-block: var(--space-6); }
}