/* ═══════════════════════════════════════════
   CASA MARTELO — Componentes compartidos
   Nav · Footer · Overlay · Botones
   ═══════════════════════════════════════════ */

/* ══ NAV ════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--pad-page);
  transition: padding 0.5s var(--ease-in-out),
              background 0.5s var(--ease-in-out),
              border-bottom 0.5s var(--ease-in-out);
}

.nav.scrolled {
  padding: 16px var(--pad-page);
  background: rgba(12, 8, 7, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-subtle);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__brand-icon {
  width: 28px;
  height: 28px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  transition: background 0.3s;
}

.nav__brand:hover .nav__brand-icon {
  background: var(--gold-dim);
}

.nav__brand-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 38px;
}

.nav__link {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cream-60);
  transition: color 0.3s;
}

.nav__link:hover,
.nav__link.active {
  color: var(--gold);
}

.nav__cta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--gold);
  padding: 12px 24px;
  transition: background var(--duration-fast),
              transform var(--duration-fast);
}

.nav__cta:hover {
  background: var(--gold-lt);
  transform: translateY(-1px);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
  background: none;
  border: none;
}

.nav__burger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--cream);
  transition: transform 0.3s, opacity 0.3s;
}

.nav__lang {
  display: flex;
  gap: 8px;
  margin-left: 4px;
  padding-left: 16px;
  border-left: 1px solid rgba(244, 238, 227, 0.15);
}

.nav__lang-link {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-40);
  transition: color 0.3s;
}

.nav__lang-link:hover,
.nav__lang-link.active {
  color: var(--gold);
}

/* ══ OVERLAY MENÚ MÓVIL ══════════════════════ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 1900;
  background: var(--ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--pad-page);
}

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

.overlay__radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 75% 35%,
    rgba(124, 22, 38, 0.35) 0%, transparent 60%);
  pointer-events: none;
}

.overlay__close {
  position: absolute;
  top: 34px; right: 52px;
  background: none;
  border: none;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cream-60);
  transition: color 0.3s;
}

.overlay__close:hover { color: var(--gold); }

.overlay__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  z-index: 2;
}

.overlay__nav-link {
  font-family: var(--font-serif);
  font-size: clamp(48px, 9vw, 104px);
  font-weight: 500;
  color: var(--cream);
  line-height: 1.04;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.6s var(--ease-out), color 0.3s;
  display: block;
  width: max-content;
}

.overlay__nav-link:hover { color: var(--gold-lt); }

.overlay.open .overlay__nav-link:nth-child(1) { opacity:1; transform:none; transition-delay:0.14s; }
.overlay.open .overlay__nav-link:nth-child(2) { opacity:1; transform:none; transition-delay:0.20s; }
.overlay.open .overlay__nav-link:nth-child(3) { opacity:1; transform:none; transition-delay:0.26s; }
.overlay.open .overlay__nav-link:nth-child(4) { opacity:1; transform:none; transition-delay:0.32s; }
.overlay.open .overlay__nav-link:nth-child(5) { opacity:1; transform:none; transition-delay:0.38s; }

.overlay__lang {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.6s var(--ease-out);
}

.overlay.open .overlay__lang {
  opacity: 1;
  transform: none;
  transition-delay: 0.44s;
}

.overlay__lang-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-40);
  padding: 14px 22px;
  border: 1px solid rgba(244, 238, 227, 0.15);
  min-width: 56px;
  text-align: center;
  transition: color 0.3s, border-color 0.3s;
}

.overlay__lang-link:hover,
.overlay__lang-link.active {
  color: var(--gold);
  border-color: rgba(203, 168, 104, 0.55);
}

.overlay__footer {
  position: absolute;
  bottom: 48px; left: var(--pad-page);
  opacity: 0;
  transition: opacity 0.5s ease 0.4s;
  z-index: 2;
}

.overlay.open .overlay__footer { opacity: 1; }

.overlay__footer p {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 2;
}

/* ══ FOOTER ══════════════════════════════════ */
.footer {
  background: var(--ink-deep);
  padding: 72px var(--pad-page) 36px;
  border-top: var(--border-subtle);
}

.footer__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 14px;
}

.footer__rule {
  height: 1px;
  width: 36px;
  background: var(--gold);
  margin-bottom: 18px;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--cream-40);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__link {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-40);
  border-bottom: 1px solid rgba(244,238,227,0.1);
  padding-bottom: 3px;
  transition: color 0.3s, border-color 0.3s;
}

.footer__link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.footer__col-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}

.footer__col-text {
  font-size: var(--text-sm);
  font-weight: 300;
  color: rgba(244,238,227,0.55);
  line-height: 1.95;
}

.footer__bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid rgba(244,238,227,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__bottom p {
  font-size: var(--text-label);
  font-weight: 300;
  color: rgba(244,238,227,0.22);
}

/* ══ RESPONSIVE ══════════════════════════════ */
@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ══ PRINT ══════════════════════════════════ */
@media print {
  .nav, .overlay, .nav__burger { display: none; }
  .footer { background: #fff; color: #333; border-top: 1px solid #ddd; }
}