/* ============================================================================
   Corazón de Manzana — site.css
   Consumes docs/brand tokens.css (semantic tokens only). Zero dependencies.
   Design language: cobalt accent on warm off-white, navy ink, hairline rules,
   Archivo / Instrument Sans / Spline Sans Mono. No gradients, no shadow soup,
   radius limited to the 2/4/8 tokens.
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0;
}
p { margin: 0; }
ul { margin: 0; padding: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* focus — 2px cobalt outline, offset 2px (per brand a11y spec) */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-xs); }

/* ---- Skip link ---------------------------------------------------------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--accent-on);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm);
  font-weight: var(--weight-med);
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); text-decoration: none; }

/* ---- Layout primitives -------------------------------------------------- */
.container { width: 100%; max-width: var(--max-content); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: 760px; }
.section { padding: var(--space-9) 0; border-bottom: 1px solid var(--border); }
.section--alt { background: var(--surface); }
.section--flush { border-bottom: 0; }

.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: var(--weight-med);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-subtle);
  margin: 0 0 var(--space-4);
}
.kicker--accent { color: var(--accent); }
.section-title { font-size: var(--text-h1); margin: 0 0 var(--space-4); }
.section-title--h2 { font-size: var(--text-h2); }
.lede {
  font-size: var(--text-h3);
  line-height: var(--leading-snug);
  color: var(--ink-muted);
  font-weight: var(--weight-reg);
  max-width: 62ch;
}
.prose p { color: var(--ink-muted); max-width: 66ch; margin-bottom: var(--space-5); }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: var(--weight-semi); }
.hairline { height: 1px; background: var(--border); border: 0; margin: var(--space-7) 0; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-ui); font-size: var(--text-body); font-weight: var(--weight-med);
  color: var(--accent-on); background: var(--accent); border: 1px solid var(--accent);
  border-radius: var(--radius-sm); padding: var(--space-3) var(--space-5); cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--ghost:hover { background: transparent; color: var(--accent-strong); border-color: var(--accent-strong); }
[data-theme="dark"] .btn--ghost { color: var(--accent); border-color: var(--accent); }
.btn--link { background: transparent; border: 0; padding: var(--space-2) 0; color: var(--accent); font-weight: var(--weight-med); }
.btn--link:hover { color: var(--accent-strong); text-decoration: underline; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); }

/* ---- Header ------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
/* subtle state once the page has scrolled */
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--canvas) 94%, transparent);
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5); min-height: 68px;
}
.brand-lockup { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand-lockup img { height: 34px; width: auto; }
.brand-lockup:hover { text-decoration: none; }
.brand-lockup__name {
  font-family: var(--font-display); font-weight: var(--weight-bold);
  font-size: 1.125rem; letter-spacing: var(--tracking-tight); color: var(--ink); line-height: 1;
}
.nav { display: flex; align-items: center; gap: var(--space-6); }
.nav__list { display: flex; align-items: center; gap: var(--space-5); list-style: none; }
.nav__link {
  font-size: var(--text-sm); font-weight: var(--weight-med); color: var(--ink-muted);
  padding: var(--space-2) 0; position: relative;
}
.nav__link:hover { color: var(--ink); text-decoration: none; }
.nav__link[aria-current="page"] { color: var(--ink); }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--accent);
}
.lang-switch {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em;
  border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden;
}
.lang-switch a {
  padding: var(--space-2) var(--space-3); color: var(--ink-subtle); text-transform: uppercase;
}
.lang-switch a:hover { color: var(--ink); text-decoration: none; background: var(--surface-sunken); }
.lang-switch a[aria-current="true"] { background: var(--accent); color: var(--accent-on); }
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); cursor: pointer;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--ink);
}

/* ---- Hero (photographic, parallax) -------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  min-height: min(78vh, 720px);
  padding: var(--space-9) 0;
  background: var(--brand-ink-900); color: var(--brand-canvas);
  border-bottom: 1px solid var(--brand-hairline-dk);
}
.hero__bg {
  position: absolute; inset: -8% 0; z-index: 0;
  background-size: cover; background-position: center 40%;
  will-change: transform;
}
/* Flat navy scrim for text legibility over the photo (solid rgba, not a gradient soup) */
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background: rgba(15, 22, 40, 0.66);
}
.hero__scrim--edge { background: rgba(15, 22, 40, 0.72); }
.hero .container { position: relative; z-index: 2; }
.hero__inner { max-width: 42ch; }
.hero__eyebrow {
  font-family: var(--font-mono); font-size: var(--text-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--brand-accent-lighter); margin-bottom: var(--space-5);
}
.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.5rem, 6vw, var(--text-display)); line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight); color: #fff;
  text-wrap: balance;
}
.hero__lede { font-size: var(--text-h3); line-height: var(--leading-snug); color: #D6DBE6; margin-top: var(--space-5); max-width: 48ch; }

/* ---- Page intro (interior pages) --------------------------------------- */
.page-intro { padding: var(--space-8) 0 var(--space-7); border-bottom: 1px solid var(--border); }
.page-intro__title { font-size: var(--text-display); font-size: clamp(2.25rem, 5vw, 3.25rem); margin-bottom: var(--space-4); }

/* ---- Feature / two-col ------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.split--intro { grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: start; }
.split--reverse > *:first-child { order: 2; }
/* feature list — hairline rows, accent arrow marker (not a left-bar callout) */
.feature-list { list-style: none; margin-top: var(--space-5); }
.feature-list li { position: relative; padding: var(--space-3) 0 var(--space-3) var(--space-5); border-top: 1px solid var(--border); font-size: var(--text-sm); color: var(--ink-muted); }
.feature-list li:last-child { border-bottom: 1px solid var(--border); }
.feature-list li::before { content: "\2192"; position: absolute; left: 0; color: var(--accent); font-weight: var(--weight-semi); }
.media-frame {
  position: relative;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--surface-sunken); aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.media-frame span {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--ink-subtle);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
/* parallax media: img is taller than the frame so it can drift while staying covered */
.media-frame[data-parallax] img {
  position: absolute; left: 0; top: -16%; width: 100%; height: 132%;
  will-change: transform;
}

/* ---- Card grids --------------------------------------------------------- */
.grid { display: grid; gap: var(--space-6); margin-top: var(--space-7); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--surface-raised); overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-hairline); box-shadow: var(--shadow-md); }
.card:hover .card__media img { transform: scale(1.04); }
.card__media { background: var(--surface-sunken); aspect-ratio: 16 / 10; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.card__media span { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ink-subtle); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.card__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.card__kicker { font-family: var(--font-mono); font-size: var(--text-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--accent); }
.card__title { font-family: var(--font-display); font-size: var(--text-h3); font-weight: var(--weight-semi); letter-spacing: var(--tracking-tight); color: var(--ink); }
.card__text { font-size: var(--text-sm); color: var(--ink-muted); line-height: var(--leading-snug); }
.card__foot { margin-top: auto; padding-top: var(--space-2); }

/* value / plain list cards (no media) */
.tile { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-raised); padding: var(--space-6);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.tile:hover { transform: translateY(-3px); border-color: var(--accent-hairline); }
.tile__num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--accent); font-weight: var(--weight-med); }
.tile__title { font-family: var(--font-display); font-size: var(--text-h3); font-weight: var(--weight-semi); letter-spacing: var(--tracking-tight); color: var(--ink); margin: var(--space-3) 0 var(--space-2); }
.tile__text { font-size: var(--text-sm); color: var(--ink-muted); line-height: var(--leading-snug); }

/* ---- Stat band (dark) --------------------------------------------------- */
.statband { background: var(--brand-ink-900); color: var(--brand-canvas); padding: var(--space-8) 0; border-top: 1px solid var(--brand-hairline-dk); border-bottom: 1px solid var(--brand-hairline-dk); }
.statband__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-metric); line-height: 1; letter-spacing: var(--tracking-tight); color: var(--brand-accent-light); }
.stat__label { font-family: var(--font-mono); font-size: var(--text-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: #B8BDC9; margin-top: var(--space-3); }

/* ---- CTA band ----------------------------------------------------------- */
.cta { background: var(--brand-accent-deep); color: var(--brand-canvas); padding: var(--space-8) 0; text-align: center; }
.cta__title { font-family: var(--font-display); font-weight: 800; font-size: var(--text-h1); letter-spacing: var(--tracking-tight); color: var(--brand-canvas); }
.cta__text { color: #D6DEF4; margin: var(--space-4) auto 0; max-width: 52ch; }
.cta .btn { background: var(--brand-canvas); color: var(--brand-accent-deep); border-color: var(--brand-canvas); margin-top: var(--space-6); }
.cta .btn:hover { background: #fff; border-color: #fff; color: var(--brand-accent-ink); }

/* ---- Contact / definition rows ----------------------------------------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-6); margin-top: var(--space-7); }
.contact-item__label { font-family: var(--font-mono); font-size: var(--text-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ink-subtle); margin-bottom: var(--space-2); }
.contact-item__value { font-size: var(--text-body); color: var(--ink); }
.contact-item__value a { color: var(--accent); }

/* news list */
.news-list { list-style: none; margin-top: var(--space-7); border-top: 1px solid var(--border); }
.news-item { display: grid; grid-template-columns: 160px 1fr; gap: var(--space-6); padding: var(--space-6) 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.news-item__date { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-subtle); }
.news-item__title { font-family: var(--font-display); font-size: var(--text-h3); font-weight: var(--weight-semi); letter-spacing: var(--tracking-tight); color: var(--ink); margin-bottom: var(--space-2); }
.news-item__text { font-size: var(--text-sm); color: var(--ink-muted); line-height: var(--leading-snug); }

/* ---- Footer ------------------------------------------------------------- */
.site-footer { background: var(--brand-ink-900); color: var(--brand-canvas); padding: var(--space-8) 0 var(--space-6); }
.site-footer a { color: #C6CBD6; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-7); }
.footer-brand img { height: 30px; width: auto; margin-bottom: var(--space-4); }
.footer-brand p { color: #9AA1B0; font-size: var(--text-sm); line-height: var(--leading-snug); max-width: 34ch; }
.footer-col h3 { font-family: var(--font-mono); font-size: var(--text-label); font-weight: var(--weight-med); letter-spacing: var(--tracking-label); text-transform: uppercase; color: #8A91A1; margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--text-sm); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid var(--brand-hairline-dk); }
.footer-bottom p { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; color: #8A91A1; }

/* ---- Motion: scroll-reveal --------------------------------------------- */
/* Hidden state only applies when JS is present (progressive enhancement):
   without JS, nothing is hidden. */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* Hero content eases in on load */
.has-js .hero__inner > * { opacity: 0; transform: translateY(16px); animation: heroIn 800ms var(--ease) forwards; }
.has-js .hero__inner > *:nth-child(1) { animation-delay: 120ms; }
.has-js .hero__inner > *:nth-child(2) { animation-delay: 220ms; }
.has-js .hero__inner > *:nth-child(3) { animation-delay: 320ms; }
.has-js .hero__inner > *:nth-child(4) { animation-delay: 420ms; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

/* ---- Reduced motion: strip every enhancement ---------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .has-js [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .has-js .hero__inner > * { opacity: 1 !important; transform: none !important; animation: none !important; }
  .hero__bg, .media-frame[data-parallax] img { transform: none !important; }
  .card:hover, .tile:hover { transform: none; }
  .card:hover .card__media img { transform: none; }
  * { transition-duration: .001ms !important; }
}

/* ---- Print: never hide revealable content ------------------------------- */
@media print {
  .has-js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .has-js .hero__inner > * { opacity: 1 !important; transform: none !important; animation: none !important; }
  .site-header { position: static; }
  .hero__scrim { background: rgba(15,22,40,0.55); }
}

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 860px) {
  .nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--canvas); border-bottom: 1px solid var(--border); padding: var(--space-4) var(--gutter) var(--space-6);
    transform: translateY(-120%); transition: transform var(--dur) var(--ease); visibility: hidden; }
  .nav[data-open="true"] { transform: translateY(0); visibility: visible; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .nav__link { padding: var(--space-4) 0; border-bottom: 1px solid var(--border); font-size: var(--text-body); }
  .nav__link[aria-current="page"]::after { display: none; }
  .nav .lang-switch { margin-top: var(--space-4); align-self: flex-start; }
  .nav-toggle { display: inline-flex; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .split, .split--intro, .hero--split .hero__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .statband__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-7) var(--space-5); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-brand { grid-column: 1 / -1; }
  .news-item { grid-template-columns: 1fr; gap: var(--space-2); }
}
@media (max-width: 480px) {
  .statband__grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand-lockup__name { display: none; }
}

/* ---- Reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition-duration: .001ms !important; }
}