/* ================================================================
   LAYOUT — Header, Footer, Navigation
   Style: Editorial Streetwear / Whenever.vn
   ================================================================ */

/* ───────────────────────────────────────
   ANNOUNCEMENT BAR (top ticker strip)
─────────────────────────────────────── */
.announcement-bar {
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
}

.announcement-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
}

.announcement-track span {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-right: 80px;
}

/* ───────────────────────────────────────
   HEADER
─────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-dk);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-mid) var(--ease);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-black);
  line-height: 1;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-img {
  width: 52px;
  height: 52px;
  border-radius: 5px;
  flex-shrink: 0;
  object-fit: cover;
  display: block;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-black);
}

.logo-text em {
  font-style: italic;
  color: var(--color-accent);
}

.logo em {
  font-style: italic;
  color: var(--color-text-sub);
}

/* Desktop nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-mid) var(--ease);
}

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-link:hover { color: var(--color-black); }

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Zalo header button */
.header-zalo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  transition: all var(--dur-fast) var(--ease);
}

.header-zalo:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* Cart icon */
.header-cart {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--color-text);
  transition: color var(--dur-fast);
}

.header-cart:hover { color: var(--color-accent); }

.cart-badge {
  position: absolute;
  top: -8px; right: -10px;
  width: 18px; height: 18px;
  background: var(--color-accent);
  color: var(--color-black);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}

/* Mobile hamburger */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-black);
  transition: all var(--dur-fast) var(--ease);
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 490;
  padding: calc(var(--header-h) + 32px) 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: translateX(-100%);
  transition: transform var(--dur-mid) var(--ease);
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  display: block;
  transition: color var(--dur-fast);
}

.mobile-nav a:hover { color: var(--color-accent); }

.mobile-nav .mobile-zalo {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ───────────────────────────────────────
   FOOTER
─────────────────────────────────────── */
.site-footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 80px 0 40px;
  margin-top: 120px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 64px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 40px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  max-width: 300px;
  margin-bottom: 28px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--dur-fast);
}

.footer-links a:hover { color: var(--color-accent); }

.footer-contact-item {
  display: flex;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 14px;
  align-items: flex-start;
}

.footer-contact-item strong {
  color: var(--color-white);
  font-weight: 600;
  flex-shrink: 0;
}

.footer-zalo-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 12px 24px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 16px;
  transition: opacity var(--dur-fast);
}

.footer-zalo-cta:hover { opacity: 0.85; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

/* Mobile responsive styles are in css/mobile.css */