/*
 * Header – Colada Plus
 * Sticky header + dropdown amb descripcions + drawer mòbil.
 * Carregat només al frontend pel tema fill.
 */

/* Skip link (accessibilitat) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  font-size: var(--font-size-sm);
}
.skip-link:focus { left: 0; outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Reset mínim per a llistes del menú dins del header */
.site-header ul { list-style: none; margin: 0; padding: 0; }
.site-header a { color: inherit; text-decoration: none; }
.site-header button { background: none; border: none; padding: 0; font: inherit; cursor: pointer; color: inherit; }

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-body);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding-block: 1rem;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: 44px;
  width: auto;
  display: block;
}
@media (min-width: 768px) {
  .header__logo img { height: 52px; }
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
}

.nav__link:hover,
.nav__link--active,
.current-menu-item > .nav__link,
.current-menu-ancestor > .nav__link {
  color: var(--color-primary);
  background-color: rgba(254,102,35,0.07);
}

/* Toggle del submenú */
.nav__link--toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.nav__link--toggle svg { transition: transform var(--transition-base); }
.nav__item--has-children[aria-expanded="true"] .nav__link--toggle svg,
.nav__item--has-children:hover .nav__link--toggle svg { transform: rotate(180deg); }

/* Submenú dropdown */
.nav__item--has-children { position: relative; }
.nav__submenu {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  min-width: 260px;
  padding: 0.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 50;
}
.nav__item--has-children:hover .nav__submenu,
.nav__item--has-children:focus-within .nav__submenu,
.nav__item--has-children[aria-expanded="true"] .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__sublink {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: background-color var(--transition-base), color var(--transition-base);
}
.nav__sublink:hover { background: rgba(254,102,35,0.08); color: var(--color-primary); }
.nav__sublink svg { color: var(--color-primary); flex-shrink: 0; }
.nav__sublink strong { display: block; font-weight: 700; color: var(--color-dark); }
.nav__sublink:hover strong { color: var(--color-primary); }
.nav__sublink-detail {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-mid);
  margin-top: 0.1rem;
}

/* CTA del header */
.header__cta {
  margin-left: var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  border: 2px solid var(--color-primary);
  transition: all var(--transition-smooth);
  white-space: nowrap;
}
.header__cta:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(254,102,35,0.35);
  color: var(--color-white);
}

/* Burger */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.header__burger span {
  display: block;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.header__overlay--visible { opacity: 1; }

/* =====================================================
   MOBILE (< 1024px)
   ===================================================== */
@media (max-width: 1023px) {
  .header__burger { display: flex; }
  .header__cta { display: none; }
  .header__overlay { display: block; pointer-events: none; }
  .header__overlay--visible { pointer-events: all; }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100dvh;
    width: min(320px, 85vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 5rem var(--spacing-md) var(--spacing-md);
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: right var(--transition-smooth);
    overflow-y: auto;
  }

  .header__nav--open { right: 0; }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav__list li { width: 100%; }

  .nav__link {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
  }

  .header__nav .nav__link--toggle {
    display: flex !important;
    width: 100% !important;
    justify-content: space-between !important;
    align-items: center !important;
    text-align: left !important;
    padding: 0.875rem 1rem !important;
  }

  /* Submenú dins drawer: estàtic, sempre visible quan obert */
  .nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-light);
    margin: 0.25rem 0 0.5rem 0.75rem;
    padding: 0.25rem;
    transition: max-height var(--transition-base);
    overflow: hidden;
  }
  .nav__item--has-children:not([aria-expanded="true"]) .nav__submenu {
    max-height: 0;
    padding-block: 0;
    margin-block: 0;
  }
  .nav__item--has-children[aria-expanded="true"] .nav__submenu { max-height: 400px; }

  .header__nav .header__cta {
    display: inline-flex;
    margin-top: var(--spacing-md);
    width: 100%;
    justify-content: center;
  }
}