/* Hallmark · genre: editorial (industrial) · macrostructure: Narrative Workflow
 * theme: Concreto (custom industrial · light · industrial-condensed · accent brand-blue 263 + verde 123)
 * paleta derivada del logo oficial DMCA · nav: N9 edge-aligned · footer: Ft1 mast-headed · enrichment: none (placeholders marcados)
 * pre-emit critique: P5 H5 E4 S4 R5 V5
 */

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: clip; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-family: var(--font-display); line-height: 1.04; font-weight: 700; }
p { margin: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; }

::selection { background: var(--color-accent); color: var(--color-paper); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout container ---------- */
.nav,
.hero,
.sistema,
.proceso,
.ventajas,
.obras,
.video,
.contacto__inner,
.footer {
  padding-inline: clamp(1.25rem, 5vw, 5rem);
}

/* ---------- Botones / enlaces ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.7rem 1.2rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: transform var(--dur-micro) var(--ease-out),
              background-color var(--dur-micro) var(--ease-out);
}
.btn--accent {
  background: var(--color-accent);
  color: var(--color-paper);
}
.btn--accent:hover { background: var(--color-accent-deep); transform: translateY(-1px); }
.btn--accent:active { transform: translateY(0); }
.btn--lg { font-size: var(--text-md); padding: 0.95rem 1.8rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-ink);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  transition: gap var(--dur-short) var(--ease-out);
}
.link-arrow:hover { gap: 0.7rem; }

/* ---------- Kicker / labels ---------- */
.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--text-2xl);
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 1.02;
}
.section-title--light { color: var(--color-on-dark); }

.lead {
  font-size: var(--text-md);
  color: var(--color-ink-soft);
  max-width: 60ch;
  line-height: 1.5;
}
.muted-note { color: var(--color-neutral); font-size: var(--text-sm); font-weight: 400; }

/* ---------- NAV · N9 edge-aligned ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
  background: color-mix(in oklch, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: var(--rule-hair);
}
.wordmark { text-decoration: none; display: flex; align-items: center; line-height: 1; }
.wordmark__img {
  height: 60px;
  width: auto;
  display: block;
}
@media (max-width: 40rem) {
  .wordmark__img { height: 48px; }
}

/* ---------- HERO · H2 split diptych 7/5 ---------- */
.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-2xl);
  align-items: center;
  padding-block: clamp(var(--space-2xl), 8vw, var(--space-4xl));
  border-bottom: var(--rule-bold);
}
.hero__title {
  font-size: var(--text-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.002em;
  max-width: 16ch;
  overflow-wrap: anywhere;
  margin-bottom: var(--space-lg);
}
.hero__lede {
  font-size: var(--text-md);
  color: var(--color-ink-soft);
  max-width: 52ch;
  line-height: 1.55;
  margin-bottom: var(--space-xl);
}
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-lg); }

/* ---------- Placeholders (sin fotos reales todavía) ---------- */
.placeholder {
  position: relative;
  margin: 0;
  background-color: var(--color-paper-3);
  background-image:
    repeating-linear-gradient(45deg,
      transparent, transparent 11px,
      color-mix(in oklch, var(--color-rule) 60%, transparent) 11px,
      color-mix(in oklch, var(--color-rule) 60%, transparent) 12px);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  min-height: 200px;
  aspect-ratio: 4 / 3;
}
.placeholder--hero { aspect-ratio: 4 / 5; min-height: 320px; }
.placeholder__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  background: var(--color-paper);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
}

/* ---------- Foto real (reemplaza placeholder) ---------- */
.media {
  margin: 0;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-paper-3);
}
.media__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media--hero { aspect-ratio: 4 / 5; min-height: 320px; }

/* ---------- EL SISTEMA ---------- */
.sistema {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
}
.sistema__body { display: flex; flex-direction: column; gap: var(--space-lg); max-width: 60ch; }
.sistema__body strong { color: var(--color-accent-deep); }

/* ---------- PROCESO · Narrative Workflow / F4 ---------- */
.proceso { padding-block: var(--space-3xl); background: var(--color-paper-2); border-block: var(--rule-hair); }
.proceso__intro { margin-bottom: var(--space-2xl); display: flex; flex-direction: column; gap: var(--space-sm); }

.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.step {
  display: grid;
  grid-template-columns: auto 1fr minmax(0, 22rem);
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-2xl);
  border-top: var(--rule-bold);
  opacity: 0;
  transform: translateY(14px);
}
.step.is-in { animation: reveal var(--dur-long) var(--ease-out) forwards; }
.step:last-child { border-bottom: var(--rule-bold); }

.step__stage {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  align-self: start;
  line-height: 1;
}
.step__content { max-width: 48ch; }
.step__title {
  font-size: var(--text-xl);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-sm);
}
.step__media { aspect-ratio: 16 / 11; min-height: 160px; }

/* ---------- VENTAJAS (banda oscura) ---------- */
.ventajas {
  background: var(--color-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-3xl);
}
.ventajas__head { margin-bottom: var(--space-2xl); }
.specs {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0;
}
.spec {
  padding: var(--space-xl) var(--space-lg) var(--space-xl) 0;
  border-top: 1px solid var(--color-dark-2);
}
.spec__term {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--color-on-dark);
  margin-bottom: var(--space-xs);
}
.spec__term::before {
  content: "";
  display: inline-block;
  width: 0.7rem; height: 0.7rem;
  margin-right: 0.6rem;
  background: var(--color-accent-2);
  vertical-align: middle;
}
.spec__desc { margin: 0; color: color-mix(in oklch, var(--color-on-dark) 78%, transparent); font-size: var(--text-sm); line-height: 1.55; max-width: 38ch; }

/* ---------- OBRAS · F6 product card grid ---------- */
.obras { padding-block: var(--space-3xl); }
.obras__head { margin-bottom: var(--space-2xl); display: flex; flex-direction: column; gap: var(--space-sm); }
.obra-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-xl);
}
.obra { opacity: 0; transform: translateY(14px); }
.obra.is-in { animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 70ms); }
.obra__media { aspect-ratio: 4 / 3; min-height: 180px; margin-bottom: var(--space-md); }
.obra__name {
  font-size: var(--text-lg);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-2xs);
}
.obra__detail { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral); letter-spacing: 0.02em; }

/* ---------- VIDEO · propiedad a estrenar ---------- */
.video { padding-block: var(--space-3xl); background: var(--color-paper-2); border-block: var(--rule-hair); }
.video__head { margin-bottom: var(--space-2xl); display: flex; flex-direction: column; gap: var(--space-sm); }
.video__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}
.video__embed { display: flex; justify-content: center; min-width: 0; }
.video__embed .instagram-media {
  margin: 0 auto !important;
  width: 100% !important;
  max-width: 400px !important;
  min-width: 0 !important;
}
.video__data { display: flex; flex-direction: column; gap: var(--space-lg); }
.ficha { margin: 0; display: flex; flex-direction: column; }
.ficha__row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: var(--rule-hair);
}
.ficha__row:first-child { border-top: var(--rule-hair); }
.ficha__term {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-deep);
  padding-top: 0.15em;
}
.ficha__desc { margin: 0; color: var(--color-ink-soft); line-height: 1.5; }
.video__data .btn { align-self: start; }
@media (max-width: 56rem) {
  .video__body { grid-template-columns: 1fr; gap: var(--space-xl); }
}
@media (max-width: 40rem) {
  .ficha__row { grid-template-columns: 1fr; gap: var(--space-2xs); }
}

/* ---------- CONTACTO ---------- */
.contacto { background: var(--color-accent); color: var(--color-paper); padding-block: var(--space-3xl); }
.contacto__inner { max-width: 50ch; }
.contacto__title {
  font-size: var(--text-3xl);
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 1.02;
  margin-bottom: var(--space-md);
}
.contacto__lede { font-size: var(--text-md); line-height: 1.5; color: color-mix(in oklch, var(--color-paper) 92%, transparent); margin-bottom: var(--space-xl); }
.contacto .btn--accent {
  background: var(--color-ink);
  color: var(--color-paper);
}
.contacto .btn--accent:hover { background: var(--color-dark); }
.contacto__note { margin-top: var(--space-md); font-size: var(--text-sm); color: color-mix(in oklch, var(--color-paper) 85%, transparent); }

/* ---------- FOOTER · Ft1 mast-headed ---------- */
.footer {
  background: var(--color-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-xl);
}
.footer__mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: var(--space-xs);
}
.footer__tag { color: color-mix(in oklch, var(--color-on-dark) 72%, transparent); font-size: var(--text-sm); max-width: 42ch; }
.footer__meta { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-xs); }
.footer__wa {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}
.footer__wa:hover { color: var(--color-accent); }
.footer__copy { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral); }

/* ---------- Reveal en carga ---------- */
.reveal { opacity: 0; transform: translateY(10px); animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 80ms); }
@keyframes reveal { to { opacity: 1; transform: none; } }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 56rem) {
  .hero { grid-template-columns: 1fr; gap: var(--space-xl); }
  .placeholder--hero,
  .media--hero { aspect-ratio: 16 / 10; min-height: 240px; order: -1; }
  .sistema { grid-template-columns: 1fr; gap: var(--space-lg); }
  .step { grid-template-columns: auto 1fr; }
  .step__media { grid-column: 1 / -1; }
}

@media (max-width: 40rem) {
  .wordmark__sub { display: none; }
  .nav__cta { font-size: var(--text-xs); padding: 0.6rem 0.9rem; }
  .step { grid-template-columns: 1fr; gap: var(--space-md); }
  .step__stage { font-size: var(--text-xl); }
  .footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .step, .obra { animation: none !important; opacity: 1 !important; transform: none !important; }
}