/* ============================================================================
   base.css — Componentes globales: botón pill, nav, marquee, footer
   Regla de oro: nunca usar primitives (--c-*, --a-*) salvo excepción justificada.
   ============================================================================ */


/* ── BOTÓN PILL — componente global reutilizable ─────────────────────────── */

.btn {
  font-family: var(--font-mono);
  font-size: var(--t-11);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  padding: var(--btn-py) var(--btn-px);
  gap: var(--btn-gap);
  border: 1px solid var(--interactive-border);
  border-radius: var(--r-pill);
  display: inline-flex;
  align-items: center;
  background: var(--interactive-bg);
  color: var(--interactive-fg);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-base) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

/* Fill que sube desde abajo en hover */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--interactive-bg-hover);
  transform: translateY(101%);
  transition: transform var(--dur-base) var(--ease-out);
  z-index: -1;
}

.btn:hover { color: var(--interactive-fg-hover); }
.btn:hover::before { transform: translateY(0); }


/* ── NAV ─────────────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: var(--border-hairline);
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
  padding-inline: var(--gutter);
  max-width: var(--w-max);
  margin-inline: auto;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: var(--t-18);
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  line-height: 1;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.28em;
}

.nav__brand-refreshing { font-style: normal; }
.nav__brand-love       { font-style: italic; }

/* Logo — visible por defecto; fallback oculto por defecto.
   Si la imagen falla, JS añade .has-error al wrapper y el fallback aparece.
   Logo es 1920x1080 (16:9). Se controla por ancho, altura auto. */
.nav__logo {
  display: block;
  width: clamp(8.75rem, 14vw, 13.75rem);
  height: auto;
  max-height: 3rem;
  object-fit: contain;
}

/* Fallback oculto cuando la imagen carga bien */
.nav__brand-fallback {
  display: none;
  font-family: var(--font-display);
  font-size: var(--t-18);
  font-weight: 300;
  font-style: italic;
  font-variation-settings: 'opsz' 144;
}

/* Si la imagen falla, JS añade .has-error al wrapper */
.nav__brand.has-error .nav__logo { display: none; }
.nav__brand.has-error .nav__brand-fallback { display: inline; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-7);
  justify-content: center;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: var(--t-11);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
}

/* Underline que crece desde el lado opuesto */
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur-fast) var(--ease-out);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--s-5);
}

.nav__cart {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: var(--t-11);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
}

.nav__cart-dot {
  display: inline-block;
  width: var(--s-2);
  height: var(--s-2);
  border-radius: var(--r-circle);
  background: var(--accent-primary);
  flex-shrink: 0;
}

/* Hamburguesa — solo visible en móvil */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: var(--hamburger-gap);
  padding: var(--s-2);
  width: var(--touch-target);
  height: var(--touch-target);
  cursor: pointer;
}

.nav__hamburger-bar {
  display: block;
  width: var(--s-5);   /* 24px — exacto en la escala de spacing */
  height: 1px;
  background: var(--text-primary);
  transition: transform var(--dur-base) var(--ease-out);
  transform-origin: center;
}

.nav__hamburger[aria-expanded="true"] .nav__hamburger-bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__hamburger[aria-expanded="true"] .nav__hamburger-bar:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav__inner {
    grid-template-columns: 1fr auto;
  }

  .nav__links { display: none; }
  .nav__cart  { display: none; }
  .nav__hamburger { display: flex; }
}


/* ── NAV OVERLAY — menú móvil fullscreen ─────────────────────────────────── */

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--surface-inverse);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--s-9) var(--gutter);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay__close {
  position: absolute;
  top: var(--s-5);
  right: var(--gutter);
  font-family: var(--font-mono);
  font-size: var(--t-14);
  color: var(--text-on-inverse);
  padding: var(--s-3);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.nav-overlay__close:hover { opacity: 1; }

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.nav-overlay__link {
  font-family: var(--font-display);
  font-size: var(--t-fluid-h1);
  font-weight: 300;
  font-style: italic;
  font-variation-settings: 'opsz' 144;
  line-height: var(--lh-tight);
  color: var(--text-on-inverse);
  text-decoration: none;
  opacity: 0;
  transform: translateY(14px);
  transition:
    color var(--dur-fast) var(--ease-out),
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.nav-overlay__link:hover { color: var(--accent-primary); }

/* Stagger de entrada */
.nav-overlay.is-open .nav-overlay__link:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: var(--stagger-1); }
.nav-overlay.is-open .nav-overlay__link:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: var(--stagger-2); }
.nav-overlay.is-open .nav-overlay__link:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: var(--stagger-3); }
.nav-overlay.is-open .nav-overlay__link:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: var(--stagger-4); }
.nav-overlay.is-open .nav-overlay__link:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: var(--stagger-5); }


/* ── MARQUEE — ticker editorial ──────────────────────────────────────────── */

.marquee {
  overflow: hidden;
  border-top: var(--border-hairline);
  border-bottom: var(--border-hairline);
  padding-block: var(--s-5);
  user-select: none;
}

.marquee__track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: marquee var(--dur-marquee) linear infinite;
}

.marquee__content {
  font-family: var(--font-mono);
  font-size: var(--t-11);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--text-secondary);
  padding-right: var(--s-6);
  flex-shrink: 0;
}

.marquee__sep {
  color: var(--accent-primary);
  font-style: normal;
  margin-inline: var(--s-4);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}


/* ── FOOTER — cierre del sitio, theme-dark ───────────────────────────────── */

.footer {
  padding: var(--section-y) var(--gutter) var(--s-7);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-9);
}

/* Marca superior — centrada, gran titular */
.footer__brand {
  text-align: center;
  padding-bottom: var(--s-8);
  border-bottom: var(--border-hairline);
}

.footer__mark {
  font-size: var(--t-fluid-h2);
  line-height: 1;
}

/* Logo footer — mismo patrón que nav: oculto hasta onload */
.footer__logo {
  display: block;
  width: clamp(12.5rem, 22vw, 20rem);
  height: auto;
  margin-inline: auto;
}

/* Fallback tipográfico oculto si imagen carga */
.footer__mark-fallback {
  display: none;
  font-size: var(--t-fluid-h2);
  line-height: 1;
}

.footer__mark-fallback em {
  font-style: italic;
  color: var(--accent-primary);
}

/* Si la imagen falla, JS añade .has-error al wrapper */
.footer__mark.has-error .footer__logo { display: none; }
.footer__mark.has-error .footer__mark-fallback { display: block; }

.footer__mark-attribution {
  color: var(--text-tertiary);
  margin-top: var(--s-3);
  margin-bottom: var(--s-5);
  text-align: center;
  letter-spacing: var(--ls-mono-wide);
}

.footer__tagline {
  color: var(--text-secondary);
  max-width: 30ch;
  margin-inline: auto;
}

/* Grid de columnas */
.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-7);
}

.footer__col-title {
  color: var(--text-tertiary);
  margin-bottom: var(--s-5);
  padding-bottom: var(--s-3);
  border-bottom: var(--border-hairline);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.footer__col a {
  color: var(--text-primary);
  font-size: var(--t-14);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__col a:hover { color: var(--accent-primary); }

.footer__col span {
  color: var(--text-secondary);
  font-size: var(--t-14);
}

/* Bar inferior */
.footer__bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--s-5);
  padding-top: var(--s-6);
  border-top: var(--border-hairline);
  color: var(--text-tertiary);
}

.footer__copy    { text-align: left; }
.footer__credit  { text-align: center; }
.footer__warning { text-align: right; }