/* ==========================================================================
   HEADER — Spices of Kerala
   Minimal sticky header, 3-column grid: nav-left | logo-center | actions-right
   Selectors match index.html markup: .header__inner, .header__nav, etc.
   Scroll state: .site-header--scrolled (inline script) AND .header--scrolled
   (home.js) — both styled identically.
   Mobile drawer state: .mobile-menu.is-open (inline script).
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition),
              background-color var(--transition);
}

.site-header--scrolled,
.site-header.header--scrolled {
  box-shadow: 0 2px 16px rgba(77, 3, 50, 0.08);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-h);
  gap: var(--space-4);
  transition: height var(--transition);
}

.site-header--scrolled .header__inner,
.site-header.header--scrolled .header__inner {
  height: calc(var(--header-h) - 8px);
}

/* --------------------------------------------------------------------------
   LEFT: hamburger (mobile) + primary nav (desktop)
   -------------------------------------------------------------------------- */
.header__left {
  display: flex;
  align-items: center;
  justify-self: start;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-7);
}

.header__nav-link {
  position: relative;
  font-family: var(--font-display);
  font-size: var(--font-size-label);            /* 12px */
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-widest); /* 0.12em */
  text-transform: uppercase;
  color: var(--color-plum);
  padding: var(--space-2) 0;
  text-decoration: none;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-turmeric-400);        /* paprika underline */
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.header__nav-link:hover {
  color: var(--color-plum);
  text-decoration: none;
}

.header__nav-link:hover::after {
  transform: scaleX(1);
}

/* Hamburger — 3 plum lines (mobile only) */
.header__hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-plum);
  transition: transform var(--duration-fast) var(--ease-out);
}

.header__hamburger:hover span:nth-child(1) {
  transform: translateY(-1px);
}

.header__hamburger:hover span:nth-child(3) {
  transform: translateY(1px);
}

/* --------------------------------------------------------------------------
   CENTER: logo
   -------------------------------------------------------------------------- */
.header__logo {
  justify-self: center;
}

.header__logo a {
  display: inline-flex;
}

.header__logo-img {
  height: 54px;
  width: auto;
  transition: height var(--transition);
}

.site-header--scrolled .header__logo-img,
.site-header.header--scrolled .header__logo-img {
  height: 44px;
}

/* --------------------------------------------------------------------------
   RIGHT: cart
   -------------------------------------------------------------------------- */
.header__actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: var(--space-3);
}

.header__cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  color: var(--color-plum);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.header__cart-btn:hover {
  color: var(--color-accent-dark);
}

.header__cart-count {
  position: absolute;
  top: 2px;
  right: 0;
  min-width: 17px;
  height: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  background: var(--color-turmeric-400);        /* paprika disc */
  color: var(--color-plum);
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  line-height: 1;
}

/* --------------------------------------------------------------------------
   MOBILE MENU DRAWER — plum panel sliding from left
   State: .mobile-menu.is-open
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear var(--duration-slow);
}

.mobile-menu.is-open {
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

.mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 1, 17, 0.55);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__drawer {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(320px, 86vw);
  background: var(--color-plum);
  color: var(--color-cream);
  padding: var(--space-16) var(--space-8) var(--space-8);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__drawer {
  transform: translateX(0);
}

.mobile-menu__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-cream);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.mobile-menu__close svg {
  width: 22px;
  height: 22px;
}

.mobile-menu__close:hover {
  color: var(--color-coral);
  transform: rotate(90deg);
}

.mobile-menu__drawer nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);               /* 14px — mobile tap target */
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--color-cream);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(245, 243, 236, 0.12);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out),
              padding-left var(--duration-fast) var(--ease-out);
}

.mobile-menu__link:hover {
  color: var(--color-coral);
  padding-left: var(--space-2);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   RESPONSIVE — desktop nav from 768px
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }

  .header__hamburger {
    display: none;
  }
}