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

  :root {
    --bg: #f1f4ff;
    --white: #ffffff;
    --text-dark: #1e1e1e;
    --text-mid: #4a4a4a;
    --text-light: #7a7a8c;
    --accent: #c8a96e;
    --border: #dde1f0;
    --radius: 14px;
    --font-serif: 'Playfair Display', 'Georgia', serif;
    --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 4px 16px rgba(60,70,120,.08);
    --shadow-md: 0 8px 32px rgba(60,70,120,.13);
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text-dark);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  @import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500&display=swap');

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

  /* ── Layout ── */
  .container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
  }

  section { padding: 64px 0; }

  /* ── Hero Banner ── */
  .hero {
    padding: 0;
    background: var(--bg);
  }
  .hero img {
    width: 100%;
    height: auto;
    display: block;
  }

  /* ── Product Gallery (7 square images) ── */
  .gallery-section {
    background: var(--bg);
    padding: 56px 0 48px;
  }

  .section-label {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 10px;
  }

  .section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 36px;
  }

  /* Main image + 3 side thumbnails */
  .gallery-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 14px;
  }

  .gallery-main {
    grid-row: 1 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }
  .gallery-main img { height: 100%; object-fit: cover; }

  .gallery-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    grid-row: 1;
    grid-column: 2;
  }

  .gallery-side-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
    grid-column: 1 / -1;
  }

  .thumb {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--white);
    aspect-ratio: 1 / 1;
  }
  .thumb img { width: 100%; height: 100%; object-fit: cover; }

  /* ── Feature Strips (lifestyle 16:9 images) ── */
  .feature-strip {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 14px;
  }
  .feature-strip img { border-radius: var(--radius); }

  /* ── Detail Section ── */
  .detail-section { background: var(--bg); }

  .detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .detail-card {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--white);
  }
  .detail-card img { width: 100%; height: auto; display: block; }

  /* ── Spec Highlights ── */
  .specs-section { background: var(--white); }

  .specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 40px;
  }

  .spec-item {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border);
  }

  .spec-icon {
    font-size: 32px;
    margin-bottom: 14px;
    display: block;
  }

  .spec-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
  }

  .spec-desc {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.6;
  }

  /* ── Style Range (Discover Your Style images) ── */
  .style-section { background: var(--bg); }

  .style-two-up {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 8px;
  }

  .style-card {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--white);
  }
  .style-card img { width: 100%; height: auto; display: block; }

  /* ── Process / Studio Section ── */
  .process-section { background: var(--white); }

  .process-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .process-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }
  .process-img img { width: 100%; height: auto; display: block; }

  .process-text {}
  .process-text .section-title { margin-bottom: 20px; }

  .process-list {
    list-style: none;
    padding: 0;
    margin-top: 24px;
  }

  .process-list li {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    align-items: flex-start;
  }

  .process-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
  }

  .process-li-text strong {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 2px;
  }

  .process-li-text span { font-size: 14px; color: var(--text-mid); }

  /* ── Closing Banner ── */
  .closing-section {
    padding: 0;
    background: var(--bg);
  }
  .closing-section img { width: 100%; display: block; }

  /* ── FAQ ── */
  .faq-section { background: var(--white); }

  .faq-list { margin-top: 40px; }

  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
  }

  .faq-item:first-child { border-top: 1px solid var(--border); }

  .faq-q {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    user-select: none;
  }

  .faq-q::after {
    content: '+';
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 300;
    color: var(--text-light);
    flex-shrink: 0;
    line-height: 1.3;
    transition: transform .25s ease;
  }

  .faq-item.open .faq-q::after { transform: rotate(45deg); }

  .faq-a {
    font-size: 15px;
    color: var(--text-mid);
    line-height: 1.75;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding-top .25s ease;
  }

  .faq-item.open .faq-a {
    max-height: 400px;
    padding-top: 16px;
  }

  /* ── Footer Strip ── */
  .footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
  }

  .footer-tagline {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 10px;
  }

  .footer-note {
    font-size: 13px;
    color: var(--text-light);
    letter-spacing: .04em;
  }

  /* ── Divider ── */
  .divider {
    width: 48px;
    height: 2px;
    background: var(--accent);
    margin: 0 auto 40px;
    border-radius: 2px;
  }

  /* ── Responsive ── */
  @media (max-width: 900px) {
    section { padding: 48px 0; }

    .gallery-layout {
      grid-template-columns: 1fr;
    }
    .gallery-main { grid-row: 1; }
    .gallery-side { grid-column: 1; grid-row: 2; }
    .gallery-side-bottom { grid-column: 1; }

    .detail-grid { grid-template-columns: 1fr; }

    .specs-grid { grid-template-columns: 1fr 1fr; }

    .style-two-up { grid-template-columns: 1fr; }

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

  @media (max-width: 600px) {
    .container { padding: 0 16px; }
    section { padding: 40px 0; }

    .specs-grid { grid-template-columns: 1fr; gap: 16px; }

    .gallery-side { grid-template-columns: 1fr 1fr; }
    .gallery-side-bottom { grid-template-columns: 1fr 1fr; }

    .faq-q { font-size: 16px; }
  }