:root {
    --cream: #f4ede0;
    --cream-deep: #ebe0cc;
    --ink: #1f1a14;
    --ink-soft: #4a4036;
    --rust: #b34a2a;
    --rust-deep: #8a3820;
    --moss: #5a6b3f;
    --gold: #c79a3a;
    --line: #d8cab3;
    --accent-from: #e8d9b8;
    --accent-to: #c9a973;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Inter Tight', sans-serif;
    background: var(--cream);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
  }
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.4;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.10 0 0 0 0 0.08 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 2;
  }
  nav {
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 22px;
    letter-spacing: -0.01em;
    font-style: italic;
    text-decoration: none;
    color: var(--ink);
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }
  .nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    font-size: 14px;
  }
  .nav-links a {
    color: var(--ink-soft);
    text-decoration: none;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--rust); }

  .breadcrumb {
    padding: 28px 0 0;
    font-size: 13px;
    color: var(--ink-soft);
    letter-spacing: 0.05em;
  }
  .breadcrumb a {
    color: var(--ink-soft);
    text-decoration: none;
  }
  .breadcrumb a:hover { color: var(--rust); }

  .product-hero {
    padding: 60px 0 100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  /* Left — visual */
  .cover-stage {
    background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
    border-radius: 8px;
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    position: relative;
    overflow: hidden;
  }
  .cover-stage::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25), transparent 60%);
    pointer-events: none;
  }
  .book-large {
    width: 70%;
    aspect-ratio: 3/4;
    background: var(--cream);
    border-radius: 4px;
    box-shadow:
      -3px 0 0 rgba(0,0,0,0.1),
      0 40px 80px -20px rgba(31, 26, 20, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 36px 32px;
    transform: rotate(-3deg);
    position: relative;
    transition: transform 0.5s;
  }
  .book-large:hover { transform: rotate(0deg); }
  .book-large::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    background: rgba(0,0,0,0.08);
  }
  .book-num-l {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 18px;
    color: var(--ink-soft);
    letter-spacing: 0.1em;
  }
  .book-title-l {
    font-family: 'Fraunces', serif;
    font-size: 32px;
    line-height: 1.1;
    color: var(--ink);
  }
  .book-foot-l {
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }

  .thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 20px;
  }
  .thumb {
    aspect-ratio: 1;
    border-radius: 6px;
    background: var(--cream-deep);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fraunces', serif;
    font-style: italic;
    color: var(--ink-soft);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .thumb:hover {
    border-color: var(--rust);
    color: var(--rust);
  }
  .thumb.active {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
  }

  /* Right — info */
  .tag-row {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
  }
  .tag {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(179, 74, 42, 0.1);
    color: var(--rust);
  }
  .tag.alt {
    background: rgba(31, 26, 20, 0.06);
    color: var(--ink-soft);
  }
  h1.product-title {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: clamp(40px, 5vw, 64px);
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
  }
  h1.product-title em {
    font-style: italic;
    color: var(--rust);
  }
  .tagline {
    font-size: 19px;
    color: var(--ink-soft);
    line-height: 1.5;
    margin-bottom: 32px;
  }
  .rating {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
    font-size: 14px;
    color: var(--ink-soft);
  }
  .stars { color: var(--gold); letter-spacing: 2px; }

  .price-block {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    margin-bottom: 36px;
  }
  .price-new {
    font-family: 'Fraunces', serif;
    font-size: 48px;
    font-weight: 500;
    line-height: 1;
  }
  .price-was {
    font-size: 20px;
    color: var(--ink-soft);
    text-decoration: line-through;
  }
  .save-badge {
    margin-left: auto;
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--rust);
    background: rgba(179, 74, 42, 0.1);
    padding: 8px 14px;
    border-radius: 999px;
  }

  .buy-btn {
    width: 100%;
    background: var(--ink);
    color: var(--cream);
    border: none;
    padding: 24px;
    border-radius: 999px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 17px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .buy-btn:hover {
    background: var(--rust);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(179, 74, 42, 0.4);
  }
  .buy-btn::after {
    content: '→';
    transition: transform 0.3s;
  }
  .buy-btn:hover::after { transform: translateX(4px); }

  .secondary-btn {
    width: 100%;
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--ink);
    padding: 18px;
    border-radius: 999px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 0.05em;
    margin-bottom: 32px;
    transition: all 0.2s;
  }
  .secondary-btn:hover {
    background: var(--ink);
    color: var(--cream);
  }

  .perks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 24px;
    background: rgba(255,255,255,0.5);
    border: 1px solid var(--line);
    border-radius: 8px;
  }
  .perk {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--ink-soft);
    line-height: 1.4;
  }
  .perk-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--rust);
    color: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
  }

  /* Details section */
  .details {
    padding: 80px 0;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
  }
  .details-label {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rust);
  }
  .details h2 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: clamp(32px, 4vw, 44px);
    line-height: 1.05;
    letter-spacing: -0.015em;
    margin-top: 16px;
  }
  .details h2 em { font-style: italic; color: var(--rust); }
  .details-body p {
    font-size: 17px;
    color: var(--ink-soft);
    margin-bottom: 20px;
    line-height: 1.65;
  }
  .details-body p:first-letter {
    font-family: 'Fraunces', serif;
    font-size: 56px;
    float: left;
    line-height: 0.9;
    padding: 8px 12px 0 0;
    color: var(--rust);
  }

  /* What's inside */
  .inside {
    padding: 80px 0;
    border-top: 1px solid var(--line);
  }
  .inside h2 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: clamp(36px, 5vw, 52px);
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 60px;
    max-width: 600px;
  }
  .inside h2 em { font-style: italic; color: var(--rust); }
  .chapters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  .chapter {
    padding: 32px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    gap: 24px;
    align-items: start;
  }
  .chapter:nth-child(odd) { padding-right: 40px; border-right: 1px solid var(--line); }
  .chapter:nth-child(even) { padding-left: 40px; }
  .ch-num {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 28px;
    color: var(--rust);
    line-height: 1;
    min-width: 44px;
  }
  .chapter h4 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 21px;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
  }
  .chapter p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.5;
  }

  /* FAQ */
  .faq {
    padding: 80px 0;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
  }
  .faq h2 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: clamp(32px, 4vw, 44px);
    line-height: 1;
    letter-spacing: -0.02em;
  }
  .faq h2 em { font-style: italic; color: var(--rust); }
  .faq-list { display: flex; flex-direction: column; }
  details.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 24px 0;
  }
  details.faq-item:first-child { border-top: 1px solid var(--line); }
  details.faq-item summary {
    font-family: 'Fraunces', serif;
    font-size: 20px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: -0.01em;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary::after {
    content: '+';
    font-size: 24px;
    color: var(--rust);
    transition: transform 0.3s;
    font-family: 'Inter Tight', sans-serif;
  }
  details.faq-item[open] summary::after { transform: rotate(45deg); }
  details.faq-item p {
    margin-top: 16px;
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.6;
  }

  /* Sticky buy bar */
  .sticky-buy {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: var(--ink);
    color: var(--cream);
    padding: 14px 14px 14px 28px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 20px 60px -10px rgba(31, 26, 20, 0.5);
    z-index: 100;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .sticky-buy.visible {
    transform: translateX(-50%) translateY(0);
  }
  .sticky-title {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 16px;
  }
  .sticky-price {
    font-family: 'Fraunces', serif;
    font-size: 18px;
    font-weight: 500;
  }
  .sticky-btn {
    background: var(--cream);
    color: var(--ink);
    border: none;
    padding: 12px 24px;
    border-radius: 999px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
  }
  .sticky-btn:hover { background: var(--rust); color: var(--cream); }

  /* Toast */
  .toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-120%);
    background: var(--moss);
    color: var(--cream);
    padding: 16px 28px;
    border-radius: 999px;
    font-size: 14px;
    box-shadow: 0 20px 40px -10px rgba(31, 26, 20, 0.4);
    z-index: 200;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .toast.visible { transform: translateX(-50%) translateY(0); }

  footer {
    padding: 60px 0 40px;
    text-align: center;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 13px;
    letter-spacing: 0.05em;
  }
  footer a { color: var(--ink); text-decoration: none; }

  @media (max-width: 900px) {
    .product-hero { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 60px; }
    .details, .faq { grid-template-columns: 1fr; gap: 32px; padding: 60px 0; }
    .chapters { grid-template-columns: 1fr; }
    .chapter:nth-child(odd), .chapter:nth-child(even) {
      padding: 32px 0;
      border-right: none;
    }
    .nav-links { display: none; }
    .perks { grid-template-columns: 1fr; }
    .sticky-buy { left: 16px; right: 16px; transform: translateY(120%); width: auto; }
    .sticky-buy.visible { transform: translateY(0); }
    .sticky-title { display: none; }
  }
  .prod_img img {
    width: 100%;
    margin: 0px 0px 0px 2px;
    float: left;
	transition: transform .2s; /* Animation */
} .prod_img:hover img{
   transform: scale(1.1) ; /* Slight 10% zoom */
}