/* TacticoTextil — Header, navegación y footer */

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  transition: background-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.site-header[data-scrolled] {
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding-block: 0.65rem;
}
.site-header__logo { grid-column: 2; justify-self: center; }
.site-header__nav { grid-column: 2; justify-self: start; }
.site-header__actions { grid-column: 3; }

@media (min-width: 1024px) {
  .site-header__inner { display: flex; justify-content: space-between; }
  .site-header__logo { justify-self: auto; }
}

.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-300);
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.site-header[data-transparent]:not([data-scrolled]) .site-header__logo,
.site-header[data-transparent]:not([data-scrolled]) .site-header__nav a,
.site-header[data-transparent]:not([data-scrolled]) .site-header__icon {
  color: var(--c-white);
}
.site-header__logo span { color: var(--color-accent); }

.site-header__nav {
  display: none;
  align-items: center;
  gap: var(--space-5);
  font-family: var(--font-display);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.site-header__nav a {
  position: relative;
  padding-block: var(--space-1);
}
.site-header__nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.site-header__nav a:hover::after { transform: scaleX(1); }
.site-header__nav a.is-active { color: var(--color-accent); }
.site-header__nav a.is-active::after { transform: scaleX(1); }
.site-header[data-transparent]:not([data-scrolled]) .site-header__nav a.is-active { color: var(--color-accent); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.site-header__icon {
  position: relative;
  display: inline-flex;
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.site-header__icon:hover { transform: translateY(-1px); }

.site-header__cart-count {
  position: absolute;
  top: -6px; right: -8px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--c-white);
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header__menu-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
}
.site-header__menu-toggle span {
  width: 22px;
  height: 2px;
  background: currentColor;
  color: var(--color-text);
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out);
}
.site-header[data-transparent]:not([data-scrolled]) .site-header__menu-toggle span { background: var(--c-white); }

.site-header__icon--account { display: none; }

/* --- Menu lateral movil (drawer) --- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 17, 19, 0.5);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}
.drawer-backdrop.is-open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 200;
  width: min(85vw, 340px);
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  box-shadow: 12px 0 32px rgba(16, 17, 19, 0.2);
  transform: translateX(-100%);
  transition: transform var(--duration-base) var(--ease-out);
  padding: var(--space-5);
  padding-top: calc(var(--space-5) + env(safe-area-inset-top, 0px));
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }

.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.drawer__logo { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-300); }
.drawer__logo span { color: var(--color-accent); }
.drawer__close { color: var(--color-text-muted); padding: var(--space-2); }
.drawer__close:hover { color: var(--color-text); }

.drawer__search {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.drawer__search input { flex: 1; border: 0; background: transparent; font-size: var(--fs-200); color: var(--color-text); }
.drawer__search input:focus { outline: none; }

.drawer__nav { display: flex; flex-direction: column; }
.drawer__nav a {
  padding: var(--space-4) var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-400);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.drawer__nav a:last-child { border-bottom: none; }
.drawer__nav a.is-active { color: var(--color-accent); }

.drawer__divider { height: 1px; background: var(--color-border); margin: var(--space-4) 0; }

.drawer__footer-links { display: flex; flex-direction: column; gap: var(--space-1); margin-top: auto; padding-top: var(--space-4); }
.drawer__footer-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-200);
  color: var(--color-text-muted);
}
.drawer__footer-link:hover { color: var(--color-text); }
.drawer__footer-link svg { flex-shrink: 0; }
.drawer__cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--c-white);
  font-size: 0.6875rem;
  font-weight: 700;
}

/* --- Hoja inferior generica (filtros y orden del catalogo) --- */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 17, 19, 0.45);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}
.sheet-backdrop.is-open { opacity: 1; pointer-events: auto; }

.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--c-white);
  border-radius: 20px 20px 0 0;
  padding: var(--space-3) var(--space-5) calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -12px 32px rgba(16, 17, 19, 0.18);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-out);
  max-height: 82vh;
  overflow-y: auto;
}
.sheet.is-open { transform: translateY(0); }

.sheet__handle {
  width: 40px; height: 4px;
  background: var(--c-gray-200);
  border-radius: var(--radius-full);
  margin: var(--space-2) auto var(--space-3);
}
.sheet__title {
  font-family: var(--font-display);
  font-size: var(--fs-100);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.sheet__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.sheet__close { color: var(--color-text-muted); padding: var(--space-2); }

@media (min-width: 768px) {
  .site-header__inner { padding-block: 1.1rem; }
  .site-header__logo { font-size: var(--fs-400); }
}

@media (min-width: 1024px) {
  .site-header__nav { display: flex; }
  .site-header__menu-toggle { display: none; }
  .site-header__icon--account { display: inline-flex; }
  .drawer, .drawer-backdrop { display: none !important; }
}

/* --- Boton flotante de WhatsApp --- */
.whatsapp-fab {
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
  z-index: 140;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25D366;
  color: var(--c-white);
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-fast) var(--ease-out);
}
.whatsapp-fab:hover { transform: scale(1.06); }

/* Paginas con una barra fija/pegajosa abajo (ficha de producto en movil,
   asistente Personaliza) suben el boton para que no quede tapado ni tapando
   el CTA principal de esa barra. */
body.has-bottom-bar .whatsapp-fab {
  bottom: calc(78px + var(--space-4) + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 1024px) {
  body.has-bottom-bar .whatsapp-fab { bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px)); }
}

/* --- Buscador --- */
.search-overlay {
  border-top: 1px solid var(--color-border);
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
}
.search-overlay__form {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-4);
  color: var(--color-text-muted);
}
.search-overlay__form input {
  flex: 1;
  border: 0;
  font-family: var(--font-body);
  font-size: var(--fs-400);
  color: var(--color-text);
  background: transparent;
}
.search-overlay__form input:focus { outline: none; }
.search-overlay__close { color: var(--color-text-muted); padding: var(--space-2); }
.search-overlay__close:hover { color: var(--color-text); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-surface-dark);
  color: rgba(255, 255, 255, 0.72);
}
.site-footer__top {
  display: grid;
  gap: var(--space-7);
  padding-block: var(--space-9) var(--space-7);
  grid-template-columns: 1fr;
}
.site-footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-500);
  color: var(--c-white);
  margin: 0 0 var(--space-3);
}
.site-footer__logo span { color: var(--color-accent); }
.site-footer__tag { max-width: 34ch; }

.site-footer__col { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-block: var(--space-4); }
.site-footer__col summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--c-white);
  font-family: var(--font-display);
  font-size: var(--fs-200);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}
.site-footer__col summary::-webkit-details-marker { display: none; }
.site-footer__col summary::after {
  content: '+';
  font-size: 1.1rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  transition: transform var(--duration-fast) var(--ease-out);
}
.site-footer__col[open] summary::after { content: '−'; }
.site-footer__col ul { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-4); }
.site-footer__col a:hover { color: var(--c-white); }

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--fs-100);
}
.site-footer__legal { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.site-footer__legal a:hover { color: var(--c-white); }

@media (min-width: 640px) {
  .site-footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (min-width: 768px) {
  .site-footer__top { grid-template-columns: 1.4fr 1fr 1fr 1fr; align-items: start; }
  .site-footer__col { border-top: none; padding-block: 0; }
  .site-footer__col summary { cursor: default; pointer-events: none; }
  .site-footer__col summary::after { display: none; }
}