/* ============================================
   HOOOSH — Luxury Fashion House
   ============================================ */

:root {
  --color-black: #0d0d0d;
  --color-cream: #f7f4ef;
  --color-white: #ffffff;
  --color-gold: #bfa575;
  --color-gold-light: #d4c5a0;
  --color-taupe: #9b8c7a;
  --color-stone: #e8e4db;
  --color-text: #1a1a1a;
  --color-text-light: #6b6b6b;
  --font-serif: 'Cormorant Garamond', Georgia, 'Noto Serif SC', serif;
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
  --transition: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 48px;
  height: 80px;
  background: transparent;
  transition: background 0.4s var(--transition), height 0.4s var(--transition);
}

.nav.scrolled {
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  height: 64px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.nav-logo a {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width 0.3s var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.lang-toggle {
  background: none;
  border: 1px solid var(--color-taupe);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s var(--transition);
}

.lang-toggle:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.lang-zh.active-lang,
.lang-en.active-lang {
  color: var(--color-gold);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s var(--transition), opacity 0.3s var(--transition);
}

.nav-actions { display: flex; align-items: center; gap: 16px; min-width: 80px; justify-content: flex-end; }

/* ============================================
   MOBILE MENU OVERLAY
   ============================================ */

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(13, 13, 13, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--transition);
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.menu-overlay-inner {
  text-align: center;
}

.menu-close {
  position: absolute;
  top: 32px;
  right: 48px;
  background: none;
  border: none;
  color: var(--color-cream);
  font-size: 2rem;
  cursor: pointer;
  font-weight: 300;
}

.menu-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.menu-link {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--color-cream);
  letter-spacing: 0.08em;
  transition: color 0.3s var(--transition);
}

.menu-link:hover { color: var(--color-gold); }

.menu-footer {
  margin-top: 64px;
  color: var(--color-taupe);
}

.menu-footer p {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.menu-social {
  display: flex;
  gap: 24px;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-stone);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 8s var(--ease-out) forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,13,13,0.15) 0%,
    rgba(13,13,13,0.05) 40%,
    rgba(13,13,13,0.3) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
}

.hero-brand {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 300;
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  animation: fadeUp 1.2s 0.3s var(--ease-out) both;
}

.hero-tagline {
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 48px;
  animation: fadeUp 1.2s 0.6s var(--ease-out) both;
}

.hero-cta {
  display: inline-block;
  padding: 16px 56px;
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--color-white);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.4s var(--transition);
  animation: fadeUp 1.2s 0.9s var(--ease-out) both;
}

.hero-cta:hover {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.hero-scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-white);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50%      { opacity: 1;   transform: scaleY(1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: 120px 48px;
  max-width: 1440px;
  margin: 0 auto;
}

.section-dark {
  background: var(--color-black);
  color: var(--color-cream);
  max-width: 100%;
  padding: 120px 48px;
}

.section-cream {
  background: var(--color-white);
  max-width: 100%;
  padding: 120px 48px;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header.light { color: var(--color-cream); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 0.85rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
}

.section-header.light .section-sub { color: var(--color-taupe); }

/* ============================================
   PRODUCT GRID
   ============================================ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card { position: relative; }

.product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--color-stone);
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.04);
}

.product-quick {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-white);
  color: var(--color-black);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 32px;
  opacity: 0;
  transition: all 0.35s var(--ease-out);
  cursor: pointer;
}

.product-card:hover .product-quick {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.product-info {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.product-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.product-price {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* ============================================
   CATEGORY GRID
   ============================================ */

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.category-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
}

.category-img-wrap {
  width: 100%;
  height: 100%;
  position: relative;
}

.category-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.category-card:hover .category-img-wrap img {
  transform: scale(1.06);
}

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.6) 0%, rgba(13,13,13,0.1) 50%);
  transition: background 0.5s var(--transition);
}

.category-card:hover .category-overlay {
  background: linear-gradient(to top, rgba(13,13,13,0.4) 0%, rgba(13,13,13,0.05) 50%);
}

.category-text {
  position: absolute;
  bottom: 32px;
  left: 32px;
  right: 32px;
  color: var(--color-white);
  z-index: 2;
}

.category-zh {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.category-en {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ============================================
   LOOKBOOK
   ============================================ */

.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  grid-auto-flow: dense;
}

.lookbook-item {
  overflow: hidden;
  background: var(--color-stone);
}

.lookbook-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.lookbook-item:hover img { transform: scale(1.03); }

.lookbook-item.tall { grid-row: span 2; }
.lookbook-item.wide { grid-column: span 2; }

/* ============================================
   ABOUT
   ============================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about-image {
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-stone);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text .section-title {
  text-align: left;
  margin-bottom: 32px;
}

.about-body p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-stats {
  display: flex;
  gap: 56px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--color-stone);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--color-gold);
}

.stat-unit { font-size: 1.2rem; }

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

/* ============================================
   NEWSLETTER
   ============================================ */

.section-newsletter {
  text-align: center;
  background: var(--color-black);
  color: var(--color-cream);
  max-width: 100%;
  padding: 100px 48px;
}

.newsletter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.newsletter-sub {
  font-size: 0.85rem;
  color: var(--color-taupe);
  margin-bottom: 40px;
  letter-spacing: 0.06em;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-taupe);
  color: var(--color-cream);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s var(--transition);
}

.newsletter-input:focus { border-color: var(--color-gold); }

.newsletter-input::placeholder { color: var(--color-taupe); }

.newsletter-btn {
  padding: 14px 36px;
  background: var(--color-gold);
  border: none;
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s var(--transition);
}

.newsletter-btn:hover { background: var(--color-gold-light); }

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-black);
  color: var(--color-cream);
  padding: 80px 48px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 0.8rem;
  color: var(--color-taupe);
  letter-spacing: 0.06em;
}

.footer-col h4 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a {
  font-size: 0.85rem;
  color: var(--color-stone);
  transition: color 0.3s var(--transition);
}

.footer-col ul a:hover { color: var(--color-gold); }

.footer-bottom {
  max-width: 1200px;
  margin: 56px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-taupe);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .lookbook-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 32px; }
  .section-dark { padding: 80px 32px; }
  .section-cream { padding: 80px 32px; }
}

@media (max-width: 768px) {
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-logo a { position: static; transform: none; }

  .hero { min-height: 600px; }
  .hero-content { padding: 0 24px; }

  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-info { flex-direction: column; gap: 4px; }
  .product-name { font-size: 0.9rem; }

  .category-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .category-zh { font-size: 1.2rem; }
  .category-text { bottom: 20px; left: 20px; }

  .lookbook-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .lookbook-item.tall { grid-row: auto; }
  .lookbook-item.wide { grid-column: auto; }

  .about-stats { gap: 32px; flex-wrap: wrap; }
  .stat-number { font-size: 2rem; }

  .newsletter-form { flex-direction: column; }
  .newsletter-btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .section { padding: 64px 24px; }
  .section-dark { padding: 64px 24px; }
  .section-cream { padding: 64px 24px; }
  .section-newsletter { padding: 64px 24px; }
  .footer { padding: 56px 24px 24px; }

  .section-header { margin-bottom: 48px; }
}

@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .lookbook-grid { grid-template-columns: 1fr; }
}