/* ============================================
   ÉLITE — Layout & Structural Styles
   ============================================ */

/* ---- HEADER ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(11, 11, 20, 0.6);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: var(--glass-bg-dense);
  box-shadow: var(--shadow-lg);
}

.header__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--ls-widest);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.header__logo:hover {
  opacity: 0.85;
}

.header__logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.header__logo-accent {
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header__logo-sub {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-normal);
  letter-spacing: var(--ls-ultra);
  color: var(--color-text-muted);
  text-transform: uppercase;
  -webkit-text-fill-color: var(--color-text-muted);
  margin-top: -2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

.header__nav a:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__search-btn,
.header__cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header__search-btn:hover,
.header__cart-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-accent);
}

.header__cart-btn svg,
.header__search-btn svg {
  width: 22px;
  height: 22px;
}

/* ---- Search Bar (Expandable) ---- */
.search-bar {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  padding: 0 var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
}

.search-bar.is-open {
  max-height: 80px;
  padding: var(--space-3) var(--container-padding) var(--space-4);
}

.search-bar__input {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.12);
}

/* ---- HERO SECTION ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: var(--space-32) var(--container-padding) var(--space-16);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(var(--color-accent-rgb), 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(var(--color-accent-rgb), 0.03) 0%, transparent 40%);
  pointer-events: none;
  animation: decorPulse 6s ease-in-out infinite;
}

/* Decorative lines */
.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  border: 1px solid rgba(var(--color-accent-rgb), 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.hero__decor-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 650px;
  height: 650px;
  border: 1px solid rgba(var(--color-accent-rgb), 0.03);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: var(--z-base);
  max-width: 800px;
}

.hero__collection {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: heroSubtitleReveal 0.8s var(--ease-out-expo) 0.3s forwards;
  padding: var(--space-2) var(--space-5);
  border: 1px solid rgba(var(--color-accent-rgb), 0.2);
  border-radius: var(--radius-full);
}

.hero__logo-wrapper {
  margin: var(--space-4) auto var(--space-8);
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 300px;
  width: 100%;
  opacity: 0;
  animation: scaleIn 1.2s var(--ease-out-expo) 0.6s forwards;
}

.hero__logo-img-large {
  max-width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 24px rgba(255, 255, 255, 0.12));
}

@media (max-width: 768px) {
  .hero__logo-wrapper {
    max-width: 240px;
    margin-bottom: var(--space-6);
  }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-7xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--ls-ultra);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-3);
  opacity: 0;
  animation: heroTextReveal 1.2s var(--ease-out-expo) 0.5s forwards;
  line-height: 1;
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: heroSubtitleReveal 0.8s var(--ease-out-expo) 0.9s forwards;
}

.hero__description {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: heroSubtitleReveal 0.8s var(--ease-out-expo) 1.1s forwards;
}

.hero__cta {
  opacity: 0;
  animation: heroSubtitleReveal 0.8s var(--ease-out-expo) 1.4s forwards;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  opacity: 0;
  animation: heroSubtitleReveal 0.8s var(--ease-out-expo) 1.8s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: float 2s ease-in-out infinite;
}

/* ---- CATEGORIES SECTION ---- */
.categories {
  padding: var(--space-20) var(--container-padding) var(--space-16);
  max-width: var(--container-max);
  margin: 0 auto;
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-4);
}

/* ---- CATALOG SECTION ---- */
.catalog {
  padding: var(--space-8) var(--container-padding) var(--space-20);
  max-width: var(--container-max);
  margin: 0 auto;
}

.catalog__header {
  margin-bottom: var(--space-10);
}

/* ---- PRODUCTS GRID ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: var(--grid-gap);
}

.products-empty {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  color: var(--color-text-muted);
}

.products-empty__icon {
  font-size: var(--fs-5xl);
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.products-empty__text {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}

.products-empty__sub {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) var(--container-padding) var(--space-8);
  margin-top: var(--space-16);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--ls-widest);
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.footer__brand-text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  max-width: 320px;
}

.footer__column h4 {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer__column a,
.footer__column p {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  max-width: var(--container-max);
  margin: var(--space-12) auto 0;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__bottom p {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.08);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
}

/* ---- RESPONSIVE LAYOUT ---- */

@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }

  .footer__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .hero__title {
    font-size: var(--fs-6xl);
  }
}

@media (max-width: 768px) {
  .header__container {
    height: 64px;
    padding: 0 var(--space-4);
  }

  .hero {
    min-height: 85vh;
    padding: var(--space-24) var(--space-4) var(--space-12);
  }

  .hero__title {
    font-size: var(--fs-5xl);
  }

  .hero__tagline {
    font-size: var(--fs-base);
  }

  .hero::after,
  .hero__decor-ring {
    display: none;
  }

  .categories {
    padding: var(--space-12) var(--space-4) var(--space-8);
  }

  .categories__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  .catalog {
    padding: var(--space-4) var(--space-4) var(--space-12);
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-4);
  }

  .footer {
    padding: var(--space-12) var(--space-4) var(--space-6);
  }

  .footer__container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--fs-4xl);
  }

  .categories__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}