/* ==========================================================================
   Michelle MacKinnon - Art Site Master Stylesheet
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-warm: #f5f0e6;
  --bg-warm-secondary: #ece5d6;
  --bg-dark: #1c1912;
  --bg-white: #ffffff;
  
  --text-dark: #1c1912;
  --text-muted: #544d40;
  --text-subtle: #6b6455;
  --text-faded: #8a8270;
  --text-light: #f5f0e6;
  --text-light-muted: #cfc8b8;
  
  --accent-gold: #a08b52;
  --accent-gold-bright: #c9a24b;
  --border-light: rgba(28, 25, 18, 0.1);
  --border-medium: rgba(28, 25, 18, 0.25);
  --border-dark: rgba(245, 240, 230, 0.2);
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(28, 25, 18, 0.06);
  --shadow-md: 0 14px 34px rgba(28, 25, 18, 0.12);
  --shadow-lg: 0 26px 60px rgba(28, 25, 18, 0.18);
  --shadow-xl: 0 34px 70px rgba(28, 25, 18, 0.24);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Elements */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100vh;
  background-color: var(--bg-warm);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--accent-gold);
  color: var(--bg-warm);
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
}

/* Layout Utilities */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-warm);
}

.main-content {
  flex: 1;
}

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 56px;
}

/* Typography Helpers */
.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }

.heading-xl {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 78px;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.heading-lg {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 56px;
  line-height: 1.05;
}

.heading-md {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 40px;
  line-height: 1.1;
}

.heading-sm {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.2;
}

.eyebrow {
  font-weight: 500;
  letter-spacing: 0.22em;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--accent-gold);
}

/* Header & Shared Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 230, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 24px 56px;
}

.nav-links-left {
  display: flex;
  gap: 30px;
  font-weight: 400;
  letter-spacing: 0.04em;
  font-size: 13px;
}

.nav-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.05em;
  text-align: center;
  white-space: nowrap;
}

.nav-links-right {
  display: flex;
  gap: 24px;
  font-size: 13px;
  justify-content: flex-end;
  align-items: center;
}

.cart-btn {
  border: 1px solid var(--border-medium);
  padding: 7px 15px;
  transition: all var(--transition-fast);
}

.cart-btn:hover {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--bg-dark);
  opacity: 1;
}

.nav-link.active {
  border-bottom: 1.5px solid var(--text-dark);
  padding-bottom: 2px;
}

/* Mobile Nav Toggle */
.mobile-menu-toggle {
  display: none;
  font-size: 20px;
  background: none;
  border: none;
  color: var(--text-dark);
}

/* Buttons & Links */
.btn-primary {
  display: inline-block;
  font-weight: 500;
  letter-spacing: 0.14em;
  font-size: 12px;
  text-transform: uppercase;
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 16px 30px;
  border: 1px solid var(--bg-dark);
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary:hover {
  background: #332f25;
  border-color: #332f25;
  color: #ffffff;
  opacity: 1;
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-block;
  font-weight: 500;
  letter-spacing: 0.14em;
  font-size: 12px;
  text-transform: uppercase;
  padding: 16px 30px;
  border: 1px solid var(--text-dark);
  color: var(--text-dark);
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-outline:hover {
  background: var(--text-dark);
  color: var(--text-light);
  opacity: 1;
  transform: translateY(-1px);
}

.btn-gold {
  display: inline-block;
  font-weight: 500;
  letter-spacing: 0.14em;
  font-size: 12px;
  text-transform: uppercase;
  background: var(--accent-gold-bright);
  color: var(--bg-dark);
  padding: 15px 26px;
  border: 1px solid var(--accent-gold-bright);
  transition: all var(--transition-normal);
}

.btn-gold:hover {
  background: #d4ae58;
  border-color: #d4ae58;
  opacity: 1;
  transform: translateY(-1px);
}

.link-underline {
  font-weight: 500;
  letter-spacing: 0.16em;
  font-size: 12px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--text-dark);
  padding-bottom: 5px;
  display: inline-block;
}

.link-underline:hover {
  opacity: 0.6;
}

/* Filter Pills */
.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 46px;
}

.filter-btn {
  font-weight: 500;
  letter-spacing: 0.1em;
  font-size: 12px;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid var(--border-medium);
  background: transparent;
  color: var(--text-dark);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--bg-dark);
}

/* Card Grids & Artwork Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}

.artwork-card {
  display: block;
  transition: transform var(--transition-normal);
}

.artwork-card:hover {
  transform: translateY(-4px);
  opacity: 1;
}

.artwork-frame {
  background: #ffffff;
  padding: 15px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.artwork-card:hover .artwork-frame {
  box-shadow: var(--shadow-lg);
}

.artwork-tag {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 5;
  background: rgba(28, 25, 18, 0.86);
  color: var(--text-light);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 9px;
  backdrop-filter: blur(4px);
}

.aspect-1-1 { aspect-ratio: 1/1; }
.aspect-4-5 { aspect-ratio: 4/5; }
.aspect-5-4 { aspect-ratio: 5/4; }

.artwork-meta {
  text-align: center;
  margin-top: 18px;
}

.artwork-title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--text-dark);
}

.artwork-sub {
  font-size: 12px;
  color: var(--text-faded);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.artwork-price {
  font-size: 14px;
  color: var(--accent-gold);
}

/* Drop Strip */
.drop-strip {
  background: var(--bg-dark);
  color: var(--text-light);
}

.drop-inner {
  padding: 34px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}

.timer-grid {
  display: flex;
  gap: 22px;
  text-align: center;
}

.timer-num {
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1;
}

.timer-lbl {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #a49c8c;
  margin-top: 4px;
}

/* Product Detail Page */
.product-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: start;
}

.product-gallery-main {
  background: #fff;
  padding: 22px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 16px;
}

.product-thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.thumb-item {
  background: #fff;
  padding: 8px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.thumb-item.active, .thumb-item:hover {
  border-color: var(--text-dark);
  transform: translateY(-2px);
}

.sticky-detail {
  position: sticky;
  top: 110px;
}

.size-pill {
  font-size: 13px;
  padding: 11px 18px;
  border: 1px solid var(--border-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.size-pill.active, .size-pill:hover {
  border-color: var(--text-dark);
  background: var(--text-dark);
  color: var(--text-light);
}

/* Footer */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-light-muted);
  margin-top: auto;
}

.footer-main {
  padding: 56px 56px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-col-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8f8776;
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 20px 56px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #8f8776;
}

.newsletter-form {
  display: flex;
  border: 1px solid rgba(245, 240, 230, 0.3);
}

.newsletter-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-light);
  padding: 11px 12px;
  font-size: 13px;
  outline: none;
}

.newsletter-btn {
  background: var(--accent-gold-bright);
  color: var(--bg-dark);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 16px;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}

.newsletter-btn:hover {
  opacity: 0.85;
}

/* Slide-over Cart Drawer */
.cart-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 18, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.cart-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 440px;
  max-width: 100%;
  background: var(--bg-warm);
  z-index: 1001;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.cart-drawer-backdrop.open .cart-drawer {
  transform: translateX(0);
}

.cart-header {
  padding: 24px 30px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 500;
}

.cart-close-btn {
  font-size: 22px;
  color: var(--text-muted);
  line-height: 1;
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 30px;
}

.cart-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-subtle);
}

.cart-item {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 16px;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.cart-item-img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border: 1px solid var(--border-light);
}

.cart-item-title {
  font-family: var(--font-serif);
  font-size: 18px;
  margin-bottom: 4px;
}

.cart-item-meta {
  font-size: 12px;
  color: var(--text-subtle);
}

.cart-item-price {
  font-weight: 500;
  font-size: 14px;
  margin-top: 4px;
}

.cart-footer {
  padding: 24px 30px;
  border-top: 1px solid var(--border-light);
  background: rgba(236, 229, 214, 0.4);
}

.cart-subtotal-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  font-size: 16px;
}

.cart-subtotal-amount {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
}

/* Modal Overlay (Search & Enquire) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 18, 0.6);
  backdrop-filter: blur(6px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-warm);
  width: 600px;
  max-width: 100%;
  padding: 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-dark);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--text-dark);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 14px 24px;
  font-size: 13px;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  animation: toastSlideIn 0.3s ease forwards;
}

@keyframes toastSlideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .container, .nav-grid, .drop-inner, .footer-main, .footer-bottom {
    padding-left: 24px;
    padding-right: 24px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .sticky-detail {
    position: static;
  }
  .heading-xl { font-size: 54px; }
  .heading-lg { font-size: 42px; }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-grid {
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    padding: 16px 20px;
  }
  .nav-links-left {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .drop-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}