/* ============================================================
   SIMBIOTIC · main.css
   Punto único de entrada. Importa el sistema completo
   en orden cascada-friendly.
   ============================================================ */

@import url("./tokens.css");
@import url("./base.css");
@import url("./components.css");

/* ---------- Page-specific layout helpers que usan
   componentes pero no son componentes en sí. ----------- */

/* Hero */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100dvh - var(--nav-h));
  padding-block: var(--space-9) var(--space-8);
  overflow: hidden;
}
.hero-quote {
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tighter);
  color: var(--text);
  max-width: 18ch;
}
.hero-quote .accent { color: var(--accent); }
.hero-sub {
  margin-top: var(--space-5);
  font-size: var(--fs-lg);
  color: var(--text-muted);
  max-width: 60ch;
  line-height: var(--lh-relaxed);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
}

/* KPI strip horizontal con dividers */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-block: 1px solid var(--border-subtle);
}
.kpi-row .kpi {
  padding: var(--space-6);
  border-right: 1px solid var(--border-subtle);
}
.kpi-row .kpi:last-child { border-right: none; }
@media (max-width: 768px) {
  .kpi-row { grid-template-columns: 1fr; }
  .kpi-row .kpi {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .kpi-row .kpi:last-child { border-bottom: none; }
}

/* Grids genéricas */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Section header (numeración + título) */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  max-width: 720px;
}
.section-head h2 {
  font-size: var(--fs-4xl);
  letter-spacing: var(--tracking-tight);
}
.section-head .section-tag { margin-bottom: 0; }

/* Body offset to nav (fixed nav) */
body { padding-top: var(--nav-h); }

/* ============================================================
   PÁGINA DE CASO (/casos/*.html)
   ============================================================ */

/* Back link */
.case-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  transition: color var(--d-fast) var(--ease-out);
}
.case-back:hover { color: var(--accent); }

/* Hero del caso */
.case-page-hero {
  padding-block: var(--space-8) var(--space-6);
}
.case-page-hero h1 {
  font-size: var(--fs-5xl);
  letter-spacing: var(--tracking-tighter);
  max-width: 18ch;
  margin-block: var(--space-4);
}
.case-page-hero .case-lead {
  font-size: var(--fs-xl);
  color: var(--text-muted);
  max-width: 60ch;
  line-height: var(--lh-relaxed);
}
.case-page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

/* Imagen / placeholder grande del caso */
.case-page-media {
  margin-block: var(--space-7) var(--space-8);
  aspect-ratio: 21 / 9;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 50%),
    radial-gradient(ellipse at 70% 30%, var(--accent-glow), transparent 60%),
    var(--surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.case-page-media::after {
  content: attr(data-label);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-subtle);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
/* Si hay imagen real, ocultar el label overlay */
.case-page-media:has(img)::after { content: none; }
.case-page-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Body: 2 columnas (texto principal | resultados sticky aside) */
.case-page-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (max-width: 960px) {
  .case-page-body { grid-template-columns: 1fr; gap: var(--space-7); }
}

.case-section + .case-section { margin-top: var(--space-7); }
.case-section h2 {
  font-size: var(--fs-2xl);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}
.case-section p {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--text);
}
.case-section p + p { margin-top: var(--space-4); }

.case-results-aside {
  position: sticky;
  top: calc(var(--nav-h) + var(--space-5));
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
@media (max-width: 960px) {
  .case-results-aside { position: static; }
}
.case-results-aside h2 {
  font-size: var(--fs-lg);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}
.case-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-4);
}
.result {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}
.result:nth-child(-n+2) { border-top: none; padding-top: 0; }
.result-num {
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  font-feature-settings: "tnum";
}
.result-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: var(--lh-base);
}

/* CTA final */
.case-cta {
  text-align: center;
  padding-block: var(--space-9);
  margin-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}
.case-cta h2 {
  font-size: var(--fs-4xl);
  letter-spacing: var(--tracking-tight);
  margin-block: var(--space-4) var(--space-5);
}
.case-cta p { max-width: 50ch; margin-inline: auto; }
.case-cta .hero-actions { justify-content: center; }

/* ---------- Scroll-driven animations (CSS native) ---------- */
@supports (animation-timeline: view()) {
  .reveal {
    animation: reveal-in linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
  @keyframes reveal-in {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* Fallback (sin scroll-timeline support): solo aparecen sin animación */
@supports not (animation-timeline: view()) {
  .reveal { opacity: 1; }
}