@layer base, theme, components, utilities;

@layer theme {
  :root {
    --in-oklab: ;
    --in-oklch: ;

    /* Tier 1: Luxury Japandi Editorial Palette */
    --alabaster-50: #FAF7F2;
    --linen-100: #F2ECE4;
    --linen-200: #E5DDD2;
    --sand-300: #D2C5B4;
    --clay-400: #B5A18B;
    --walnut-500: #8A6548;
    --walnut-600: #6B4C33;
    --walnut-900: #3A2A1D;
    --sage-100: #E7EEE8;
    --sage-500: #5B6E5D;
    --sage-700: #3E4D40;
    --charcoal-950: #1C1A18;
    --charcoal-800: #33302C;
    --charcoal-600: #635D56;
    --charcoal-400: #918A81;
    --amber-glow: #F4C983;
    --white: #FFFFFF;

    /* Tier 2: Semantic Tokens */
    --bg-primary: var(--alabaster-50);
    --bg-elevated: var(--white);
    --bg-subtle: var(--linen-100);
    --text-primary: var(--charcoal-950);
    --text-secondary: var(--charcoal-600);
    --text-muted: var(--charcoal-400);
    --border-subtle: var(--linen-200);
    --border-strong: var(--sand-300);

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Layered realistic soft depth shadows (per visual-effects guide) */
    --shadow-ambient:
      0 1px 2px rgba(28, 26, 24, 0.04),
      0 6px 16px -4px rgba(28, 26, 24, 0.06),
      0 20px 40px -12px rgba(28, 26, 24, 0.08);
    --shadow-elevated:
      0 2px 4px rgba(28, 26, 24, 0.05),
      0 12px 28px -6px rgba(28, 26, 24, 0.1),
      0 32px 64px -16px rgba(28, 26, 24, 0.14);
    --max-width: 1240px;
  }

  @supports (background: linear-gradient(in oklab, white, black)) {
    :root {
      --in-oklab: in oklab;
      --in-oklch: in oklch;
    }
  }
}

@layer base {
  html {
    box-sizing: border-box;
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
    margin: 0;
  }

  ul, ol {
    padding: 0;
    list-style: none;
  }

  img, svg {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button, input, select {
    font: inherit;
    color: inherit;
  }

  button {
    cursor: pointer;
    border: none;
    background: transparent;
  }

  h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.015em;
  }
}

@layer components {
  /* Top Utility & Announcement Bar */
  .utility-bar {
    background-color: var(--charcoal-950);
    color: var(--alabaster-50);
    font-size: 0.8rem;
    border-block-end: 1px solid rgba(255, 255, 255, 0.08);
  }

  .utility-inner {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-block: 0.55rem;
    padding-inline: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .utility-promo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
  }

  .utility-link {
    color: var(--amber-glow);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
  }

  .utility-controls {
    display: flex;
    align-items: center;
    gap: 1.25rem;
  }

  .currency-select {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--alabaster-50);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xs);
    padding: 0.2rem 0.55rem;
    font-size: 0.76rem;
    font-weight: 600;
    cursor: pointer;
  }

  .currency-select option {
    background-color: var(--charcoal-950);
    color: var(--alabaster-50);
  }

  /* Main Sticky Editorial Header */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 30;
    background-color: color-mix(in oklab, var(--alabaster-50) 90%, transparent);
    backdrop-filter: blur(14px);
    border-block-end: 1px solid var(--border-subtle);
  }

  .header-inner {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-block: 1rem;
    padding-inline: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }

  .brand-seal {
    inline-size: 40px;
    block-size: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg var(--in-oklab), var(--charcoal-950), var(--walnut-900));
    color: var(--alabaster-50);
    display: grid;
    place-items: center;
    font-family: var(--font-serif);
    font-size: 1.35rem;
    box-shadow: 0 4px 12px rgba(28, 26, 24, 0.15);
  }

  .brand-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1;
  }

  .brand-tagline {
    display: block;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    margin-block-start: 0.2rem;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
  }

  .nav-links a {
    position: relative;
    padding-block: 0.25rem;
    transition: color 0.2s ease;
  }

  .nav-links a:hover {
    color: var(--text-primary);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .cart-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 1.05rem;
    border-radius: 999px;
    background-color: var(--charcoal-950);
    color: var(--white);
    font-size: 0.84rem;
    font-weight: 600;
    box-shadow: var(--shadow-ambient);
    transition: background-color 0.2s ease, transform 0.15s ease;
  }

  .cart-trigger:hover:not(:disabled) {
    background-color: var(--walnut-500);
    transform: translateY(-1px);
  }

  .cart-count {
    background-color: var(--amber-glow);
    color: var(--charcoal-950);
    font-size: 0.74rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
  }

  .btn:hover:not(:disabled) {
    transform: translateY(-1px);
  }

  .btn-primary {
    background-color: var(--charcoal-950);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(28, 26, 24, 0.16);
  }

  .btn-primary:hover:not(:disabled) {
    background-color: var(--walnut-500);
  }

  .btn-warm {
    background-color: var(--walnut-500);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(138, 101, 72, 0.25);
  }

  .btn-warm:hover:not(:disabled) {
    background-color: var(--walnut-600);
  }

  .btn-secondary {
    background-color: var(--white);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
  }

  .btn-secondary:hover:not(:disabled) {
    background-color: var(--linen-100);
    border-color: var(--charcoal-950);
  }

  /* Hero Section: Split Architectural Showcase */
  .hero-section {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-block: 3rem 4.5rem;
    padding-inline: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1.08fr;
    gap: 3.5rem;
    align-items: center;
  }

  .pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background-color: var(--sage-100);
    color: var(--sage-700);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-block-end: 1.25rem;
  }

  .hero-title {
    font-size: clamp(2.6rem, 4.4vw, 3.85rem);
    margin-block-end: 1.2rem;
    color: var(--charcoal-950);
  }

  .hero-title em {
    font-style: italic;
    font-weight: 500;
    color: var(--walnut-500);
  }

  .hero-lead {
    font-size: 1.06rem;
    color: var(--text-secondary);
    margin-block-end: 2rem;
    max-inline-size: 52ch;
  }

  .hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-block-end: 2.25rem;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--border-subtle);
  }

  .metric-value {
    font-family: var(--font-serif);
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--charcoal-950);
    line-height: 1.1;
  }

  .metric-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-block-start: 0.2rem;
  }

  /* Hero Studio Scene Illustration Container */
  .hero-stage {
    position: relative;
    border-radius: var(--radius-lg);
    background: linear-gradient(155deg var(--in-oklab), #EDE5DA 0%, #DFD3C3 55%, #D2C2AE 100%);
    padding: 2rem;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-strong);
    isolation: isolate;
  }

  .stage-mode-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-block-end: 1.1rem;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .stage-caption {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--walnut-900);
  }

  .before-after-toggle {
    display: inline-flex;
    background-color: rgba(255, 255, 255, 0.65);
    padding: 0.22rem;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
  }

  .ba-btn {
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.2s ease;
  }

  .ba-btn[aria-pressed="true"] {
    background-color: var(--charcoal-950);
    color: var(--white);
  }

  .hero-floating-card {
    margin-block-start: 1.25rem;
    background-color: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    border: 1px solid var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow-ambient);
  }

  /* Trust & Press Strip */
  .trust-strip {
    background-color: var(--linen-100);
    border-block: 1px solid var(--border-subtle);
    padding-block: 1.35rem;
  }

  .trust-inner {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.84rem;
    color: var(--text-secondary);
  }

  .trust-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
  }

  /* Section Containers */
  .section {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-block: 4.5rem;
    padding-inline: 1.5rem;
  }

  .section-tinted {
    background-color: var(--linen-100);
    border-block: 1px solid var(--border-subtle);
  }

  .section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
    margin-block-end: 2.5rem;
    flex-wrap: wrap;
  }

  .section-title {
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    margin-block-end: 0.45rem;
  }

  .section-subtitle {
    color: var(--text-secondary);
    max-inline-size: 58ch;
    font-size: 0.98rem;
  }

  /* Filter & Search Bar */
  .catalog-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-block-end: 2.25rem;
    flex-wrap: wrap;
    background-color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-ambient);
  }

  .category-tabs {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
  }

  .cat-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.2s ease;
  }

  .cat-tab[aria-pressed="true"] {
    background-color: var(--charcoal-950);
    color: var(--white);
  }

  .search-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--alabaster-50);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.9rem;
  }

  .search-input-wrap input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.86rem;
    inline-size: 210px;
  }

  /* Digital Product Cards with Rich Device Mockups */
  .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
  }

  .product-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-ambient);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
  }

  .product-art-stage {
    aspect-ratio: 16 / 11;
    position: relative;
    overflow: hidden;
    border-block-end: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
  }

  .card-badge-top {
    position: absolute;
    inset-block-start: 0.9rem;
    inset-inline-start: 0.9rem;
    z-index: 2;
    background-color: rgba(28, 26, 24, 0.86);
    color: var(--white);
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
  }

  .card-format-pill {
    position: absolute;
    inset-block-end: 0.75rem;
    inset-inline-end: 0.85rem;
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--charcoal-800);
    padding: 0.22rem 0.6rem;
    border-radius: var(--radius-xs);
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid var(--border-subtle);
  }

  .product-content {
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.65rem;
  }

  .product-rating-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
  }

  .stars {
    color: #C98A3E;
    font-weight: 700;
  }

  .product-title {
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
  }

  .product-title:hover {
    color: var(--walnut-500);
  }

  .product-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    flex: 1;
  }

  .spec-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-block: 0.25rem;
  }

  .spec-tag {
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    background-color: var(--linen-100);
    color: var(--charcoal-800);
  }

  .product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding-block-start: 0.95rem;
    margin-block-start: 0.35rem;
    border-block-start: 1px solid var(--border-subtle);
  }

  .price-block {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
  }

  .price-main {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
  }

  .price-strike {
    font-size: 0.84rem;
    color: var(--text-muted);
    text-decoration: line-through;
  }

  .btn-group-card {
    display: flex;
    gap: 0.45rem;
  }

  /* Interactive "Shop The Japandi Desk" Lookbook (Hotspot Map + Affiliate Cards) */
  .lookbook-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: start;
  }

  .lookbook-canvas {
    background: linear-gradient(160deg var(--in-oklab), #E9E0D4 0%, #D8C9B6 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    padding: 1.5rem;
    box-shadow: var(--shadow-ambient);
    position: relative;
  }

  .hotspot-pin {
    cursor: pointer;
    transition: transform 0.2s ease;
  }

  .hotspot-pin:hover {
    transform: scale(1.15);
  }

  .affiliate-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .aff-item-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    padding: 1rem 1.15rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.9rem;
    align-items: center;
    box-shadow: var(--shadow-ambient);
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  }

  .aff-item-card[data-highlighted="true"] {
    border-color: var(--walnut-500);
    background-color: #FFFDF9;
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(138, 101, 72, 0.16);
  }

  .aff-badge-num {
    inline-size: 34px;
    block-size: 34px;
    border-radius: 50%;
    background-color: var(--charcoal-950);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    display: grid;
    place-items: center;
  }

  .aff-item-card[data-highlighted="true"] .aff-badge-num {
    background-color: var(--walnut-500);
  }

  /* Journal Editorial Grid */
  .journal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.85rem;
  }

  .journal-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-ambient);
  }

  .journal-cover {
    aspect-ratio: 16 / 9;
    border-block-end: 1px solid var(--border-subtle);
    padding: 1.25rem;
    display: flex;
    align-items: flex-end;
    position: relative;
  }

  .journal-body {
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.7rem;
  }

  /* Customer Reviews Grid */
  .reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
  }

  .review-card {
    background-color: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    box-shadow: var(--shadow-ambient);
  }

  /* FAQ Accordion */
  .faq-container {
    max-inline-size: 820px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }

  .faq-item {
    background-color: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 1.15rem 1.4rem;
  }

  .faq-item summary {
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
  }

  .faq-item p {
    margin-block-start: 0.75rem;
    font-size: 0.92rem;
    color: var(--text-secondary);
  }

  /* Footer */
  .site-footer {
    background-color: var(--charcoal-950);
    color: var(--linen-200);
    padding-block: 4rem 2.5rem;
    padding-inline: 1.5rem;
  }

  .footer-grid {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-block-end: 2.5rem;
    border-block-end: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Native Modal Dialogs */
  dialog {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0;
    max-inline-size: 760px;
    inline-size: calc(100% - 2rem);
    box-shadow: var(--shadow-elevated);
  }

  dialog[open] {
    display: flex;
    flex-direction: column;
  }

  dialog:modal {
    overscroll-behavior: contain;
  }

  dialog::backdrop {
    background-color: rgba(28, 26, 24, 0.6);
    backdrop-filter: blur(4px);
    overflow: hidden;
    overscroll-behavior: contain;
  }

  .dialog-body {
    padding: 2rem;
  }

  @media (max-width: 960px) {
    .hero-section,
    .lookbook-layout {
      grid-template-columns: 1fr;
    }
    .nav-links {
      display: none;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
}