/* ==========================================
   Batik Nusantara — Zara-Inspired
   ========================================== */

:root {
  --batik-dark: #3E2723;
  --batik-brown: #5D4037;
  --batik-cream: #F5F0E8;
  --batik-warm: #FAF8F5;
  --batik-gold: #C9A96E;
  --batik-beige: #E8DCC8;
  --batik-text: #2C1810;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  color: var(--batik-text);
  background: var(--batik-warm);
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--batik-cream); }
::-webkit-scrollbar-thumb { background: var(--batik-dark); }
::selection { background: var(--batik-gold); color: #fff; }

/* ----- Navbar ----- */
.navbar {
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.navbar.scrolled {
  background: rgba(250, 248, 245, 0.98);
  backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(62, 39, 35, 0.06);
}
.navbar.scrolled .nav-link { color: var(--batik-dark); }
.navbar.scrolled .logo-text { color: var(--batik-dark); }
.navbar.scrolled #menuToggle { color: var(--batik-dark); }

/* ----- Hamburger ----- */
.hamburger-icon span {
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
#menuToggle.active .hamburger-icon span:nth-child(1) {
  top: 50%; transform: translateY(-50%) rotate(45deg);
}
#menuToggle.active .hamburger-icon span:nth-child(2) { opacity: 0; }
#menuToggle.active .hamburger-icon span:nth-child(3) {
  bottom: 50%; transform: translateY(50%) rotate(-45deg);
}

/* ----- Mobile Menu ----- */
.mobile-menu {
  position: fixed; top: 0; right: 0;
  width: 320px; height: 100vh;
  background: var(--batik-warm);
  z-index: 998;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  padding: 100px 40px 40px;
}
.mobile-menu.open { transform: translateX(0); }

/* ----- Hero ----- */
.hero-section {
  min-height: 100dvh;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  transition: transform 0.1s ease-out;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

@media (max-width: 767px) {
  .hero-section {
    min-height: 85dvh;
  }
  .hero-bg img {
    object-position: 55% 25%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-section {
    min-height: 90dvh;
  }
  .hero-bg img {
    object-position: 60% center;
  }
}

/* ----- Grain Texture Overlay ----- */
.grain-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.15;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ----- CLS prevention ----- */
img { max-width: 100%; display: block; }
.product-item img { aspect-ratio: auto; width: 100%; height: 100%; }
.img-zoom img { width: 100%; height: 100%; }

/* ----- Content visibility ----- */
#koleksi, section:not(.hero-section) {
  content-visibility: auto;
  contain-intrinsic-size: 500px;
}

/* ----- GPU acceleration ----- */
.reveal, .reveal-left, .reveal-right,
.product-item, .img-zoom, .hero-bg {
  will-change: transform, opacity;
}

/* ----- Batik Pattern ----- */
.batik-overlay {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23FAF8F5' stroke-width='0.3' opacity='0.06'%3E%3Ccircle cx='30' cy='30' r='12'/%3E%3Ccircle cx='30' cy='30' r='7'/%3E%3Ccircle cx='90' cy='30' r='12'/%3E%3Ccircle cx='90' cy='30' r='7'/%3E%3Ccircle cx='30' cy='90' r='12'/%3E%3Ccircle cx='30' cy='90' r='7'/%3E%3Ccircle cx='90' cy='90' r='12'/%3E%3Ccircle cx='90' cy='90' r='7'/%3E%3Cpolygon points='60,48 72,60 60,72 48,60'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ----- Gold Divider ----- */
.gold-divider {
  width: 40px; height: 1px;
  background: var(--batik-gold);
}

/* ----- Animations ----- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }

/* ----- Stagger Grid ----- */
.stagger-grid > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.stagger-grid.revealed > * { opacity: 1; transform: translateY(0); }
.stagger-grid.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-grid.revealed > *:nth-child(2) { transition-delay: 0.12s; }
.stagger-grid.revealed > *:nth-child(3) { transition-delay: 0.19s; }
.stagger-grid.revealed > *:nth-child(4) { transition-delay: 0.26s; }
.stagger-grid.revealed > *:nth-child(5) { transition-delay: 0.33s; }

/* ----- Image Zoom ----- */
.img-zoom { overflow: hidden; }
.img-zoom img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.img-zoom:hover img { transform: scale(1.05); }

/* ----- Product Hover ----- */
.product-item { position: relative; overflow: hidden; cursor: pointer; }
.product-item img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-item:hover img { transform: scale(1.04); }

/* ----- Typography ----- */
.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--batik-brown);
}
.heading-xl {
  font-family: 'Libre Baskerville', serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.92;
}
.section-title {
  font-family: 'Libre Baskerville', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ----- Animated Underline ----- */
.underline-link {
  position: relative;
  display: inline-block;
}
.underline-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.underline-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ----- Floating CTA ----- */
.float-cta {
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ----- Counter Number ----- */
.stat-number {
  display: inline-block;
}

/* ----- Editorial Parallax Image ----- */
.editorial-bg {
  transition: transform 0.1s linear;
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right,
  .stagger-grid > * {
    opacity: 1; transform: none; transition: none;
  }
  .product-item img, .img-zoom img, .hero-bg,
  .editorial-bg { transition: none; }
  .product-item:hover img, .img-zoom:hover img { transform: none; }
  .navbar, .float-cta { animation: none; transition: none; }
  .underline-link::after { transform: scaleX(1); }
  html { scroll-behavior: auto; }
}