/* ============================================
   SANTO GLAM — DESIGN SYSTEM
   Boutique editorial storefront
   ============================================ */

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

:root {
  --ivory:        #F8F6F2;
  --ivory-mid:    #F1EDE7;
  --ivory-dark:   #E8E2DA;
  --charcoal:     #1A1917;
  --charcoal-60:  #6B6762;
  --charcoal-40:  #9A9590;
  --border:       #DDD9D3;
  --border-light: #EAE6E0;
  --amber:        #C8B89A;
  --amber-soft:   #E4D9CC;

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  'Jost', 'Helvetica Neue', Arial, sans-serif;

  --max: 1200px;
  --gutter-lg: 48px;
  --gutter-md: 32px;
  --gutter-sm: 20px;

  --transition-base: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  background: var(--ivory);
  color: var(--charcoal);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  transition: background var(--transition-base), border-bottom var(--transition-base);
}

#nav.is-scrolled {
  background: rgba(248, 246, 242, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter-lg);
  height: 68px;
}

.nav-wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--charcoal);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.nav-wordmark:hover { opacity: 0.6; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.8rem;
  list-style: none;
}

.nav-list a {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--charcoal-60);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-list a:hover { color: var(--charcoal); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
}

.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--charcoal);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

#nav.is-open .nav-toggle .bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
#nav.is-open .nav-toggle .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#nav.is-open .nav-toggle .bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav drawer */
#nav .nav-drawer {
  display: none;
  position: absolute;
  top: 68px; left: 0; right: 0;
  background: var(--ivory);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem var(--gutter-sm) 2rem;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

#nav.is-open .nav-drawer {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-drawer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.nav-drawer-list li {
  border-bottom: 1px solid var(--border-light);
}

.nav-drawer-list a {
  display: block;
  padding: 0.95rem 0;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--charcoal);
  text-decoration: none;
}

@media (max-width: 860px) {
  .nav-inner { padding: 0 var(--gutter-sm); }
  .nav-list { display: none; }
  .nav-toggle { display: flex; }
  #nav .nav-drawer { display: block; }
}

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

.hero {
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px var(--gutter-lg) 80px;
  text-align: center;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--charcoal-40);
  margin-bottom: 2rem;
  animation: heroFade 1.2s ease 0.3s both;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(5.5rem, 20vw, 14rem);
  font-weight: 300;
  line-height: 0.86;
  letter-spacing: -0.015em;
  color: var(--charcoal);
  animation: heroFade 1.4s ease 0.5s both;
}

.hero-tagline {
  font-family: var(--serif);
  font-size: clamp(1rem, 2.8vw, 1.25rem);
  font-weight: 300;
  font-style: italic;
  color: var(--charcoal-60);
  line-height: 2;
  margin-top: 2.5rem;
  animation: heroFade 1.2s ease 0.9s both;
}

.hero-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin-top: 4.5rem;
  text-decoration: none;
  animation: heroFade 1s ease 1.3s both;
}

.hero-cta-label {
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  color: var(--charcoal-40);
  transition: color var(--transition-base);
}

.hero-cta:hover .hero-cta-label { color: var(--charcoal); }

.hero-cta-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--charcoal-40), transparent);
  transition: opacity var(--transition-base);
}

.hero-cta:hover .hero-cta-line { opacity: 0.4; }

@keyframes heroFade {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .hero { padding: 90px var(--gutter-sm) 60px; }
}

/* ============================================
   DIVIDER
   ============================================ */

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ============================================
   COLLECTION SECTION
   ============================================ */

.collection {
  padding: 9rem var(--gutter-lg) 7rem;
  max-width: var(--max);
  margin: 0 auto;
}

.collection-head {
  margin-bottom: 5rem;
}

.collection-meta {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  margin-bottom: 1rem;
}

.collection-index {
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--charcoal-40);
}

.collection-label {
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.collection-name {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 7.5vw, 5.5rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  margin-bottom: 1.4rem;
}

.collection-tagline {
  font-family: var(--serif);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  font-weight: 300;
  font-style: italic;
  color: var(--charcoal-60);
  line-height: 2;
  max-width: 480px;
}

@media (max-width: 860px) {
  .collection {
    padding: 6rem var(--gutter-md) 5rem;
  }
  .collection-head { margin-bottom: 3.5rem; }
}

@media (max-width: 600px) {
  .collection { padding: 5rem var(--gutter-sm) 4rem; }
  .collection-head { margin-bottom: 2.5rem; }
}

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

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

@media (max-width: 860px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
  }
}

/* ============================================
   PRODUCT CARD
   ============================================ */

.product-card {
  background: var(--ivory);
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.product-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card-image {
  aspect-ratio: 4 / 5;
  background: var(--ivory-mid);
  overflow: hidden;
  position: relative;
}

/* Category-specific placeholder tints */
.product-card[data-cat="hotel"] .product-card-image    { background: linear-gradient(145deg, #F0EBE3 0%, #E8E0D5 100%); }
.product-card[data-cat="vanity"] .product-card-image   { background: linear-gradient(145deg, #EEEBE6 0%, #E5E0D8 100%); }
.product-card[data-cat="ritual"] .product-card-image   { background: linear-gradient(145deg, #EDE8E0 0%, #E3DBD0 100%); }
.product-card[data-cat="journey"] .product-card-image  { background: linear-gradient(145deg, #ECEBE8 0%, #E3E0DA 100%); }
.product-card[data-cat="details"] .product-card-image  { background: linear-gradient(145deg, #EDE9E4 0%, #E5DFD7 100%); }

/* Placeholder pip */
.product-card-image::after {
  content: '';
  z-index: 0;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23C8B89A' stroke-width='0.75' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.6;
}

/* When real image is loaded, hide the pip */
.product-card-image img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8%;
  transition: transform var(--transition-slow);
  display: block;
}

.product-card-image img.loaded ~ .product-card-image::after {
  display: none;
}

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

.product-card-body {
  padding: 1.1rem 0.2rem 2.2rem;
}

.product-brand {
  display: block;
  font-family: var(--sans);
  font-size: 0.52rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--charcoal-40);
  margin-bottom: 0.45rem;
}

.product-name {
  font-family: var(--serif);
  font-size: clamp(0.9rem, 2.2vw, 1.1rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--charcoal);
  margin-bottom: 0.35rem;
}

.product-note {
  display: block;
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--charcoal-40);
  margin-bottom: 1.1rem;
}

.product-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: lowercase;
  color: var(--charcoal);
  text-decoration: none;
  border-bottom: 1px solid var(--charcoal);
  padding-bottom: 1px;
  transition:
    color var(--transition-base),
    border-color var(--transition-base);
}

.product-btn::after {
  content: '→';
  font-size: 0.65rem;
  transition: transform var(--transition-base);
}

.product-btn:hover {
  color: var(--charcoal-60);
  border-color: var(--charcoal-60);
}

.product-btn:hover::after {
  transform: translateX(3px);
}

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

.footer-rule {
  width: 100%;
  height: 1px;
  background: var(--border);
}

.site-footer {
  padding: 5.5rem var(--gutter-lg);
  text-align: center;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.footer-wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--charcoal);
}

.footer-ig {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: var(--charcoal-60);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-ig:hover { color: var(--charcoal); }

.footer-sep {
  width: 32px;
  height: 1px;
  background: var(--border);
  margin: 0.8rem 0;
}

.footer-disclosure {
  font-family: var(--sans);
  font-size: 0.56rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--charcoal-40);
  line-height: 1.9;
  max-width: 380px;
}

@media (max-width: 600px) {
  .site-footer { padding: 4rem var(--gutter-sm); }
}

/* ============================================
   SCROLL REVEAL UTILITY
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.9s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

/* ============================================
   IMAGE PLACEHOLDER NOTE
   ============================================
   To add real product images:
   In script.js, set the `image` field on each
   product to a URL string.
   
   Example: image: "https://example.com/product.jpg"
   
   Amazon product images:
   https://images-na.ssl-images-amazon.com/images/I/[IMAGE-ID].jpg
   (These may have CORS restrictions — host images
   via your own CDN for production.)
   ============================================ */