:root {
      --emerald: #10B981;
      --emerald-dark: #059669;
      --forest: #064E3B;
      --forest-light: #065f46;
      --mint: #6EE7B7;
      --sage: #A7F3D0;
      --pale: #ECFDF5;
      --pale-2: #f0fdf8;
      --white: #ffffff;
      --glass-border: rgba(255, 255, 255, 0.75);
      --text-dark: #0d3027;
      --text-mid: #2d6a57;
      --text-light: #5a9e8a;
      --font-display: 'Playfair Display', serif;
      --font-body: 'DM Sans', sans-serif;
      --radius-card: 20px;
      --radius-pill: 60px;
      --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: var(--font-body);
      background: var(--pale-2);
      color: var(--text-dark);
      overflow-x: hidden;
    }
    h1, h2, h3, h4, h5 { font-family: var(--font-display); }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }

    /* ── Home Button ── */
    .home-btn {
      position: fixed;
      top: 24px; left: 24px;
      z-index: 100;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,0.9);
      border: 1px solid rgba(16,185,129,0.25);
      color: var(--forest);
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 20px rgba(6,78,59,0.1);
      transition: all var(--transition);
    }
    .home-btn:hover {
      background: var(--forest);
      color: white;
      border-color: var(--forest);
      transform: translateX(-3px);
    }
    .home-btn i { font-size: 0.8rem; }


    .order-btn {
      position: fixed;
      top: 24px; right: 24px;
      z-index: 100;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--forest);
      border: 1px solid var(--forest-light);
      color: var(--pale-2);
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 20px rgba(6,78,59,0.1);
      transition: all var(--transition);
      overflow: hidden;
      isolation: isolate;
    }

    .order-btn i { font-size: 0.8rem; }

  .order-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 100%
  );
  transform: translateX(-175%);
  animation: tag-shimmer 2.8s ease-in-out infinite;
  animation-delay: 1s;
  pointer-events: none;
}

@keyframes tag-shimmer {
  0%   { transform: translateX(-175%); }
  40%  { transform: translateX(250%); }
  100% { transform: translateX(250%); }
}

@media (prefers-reduced-motion: reduce) {
  .order-btn::after {
    animation: none;
  }
}




    /* ── Hero Image ── */
    .product-hero {
      position: relative;
      width: 100%;
      height: 70vh;
      min-height: 420px;
      overflow: hidden;
      background: linear-gradient(160deg, #f0fff4 0%, #dcfce7 50%, #a7f3d0 100%);
    }

    .product-hero img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
    }

    .product-hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(6, 78, 59, 0.726) 0%, transparent 55%);
    }

    .product-hero-badge {
      position: absolute;
      top: 32px; right: 32px;
      background: var(--emerald);
      color: white;
      font-family: var(--font-body);
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 16px rgba(16,185,129,0.4);
    }

    .product-hero-title {
      position: absolute;
      bottom: 40px; left: 40px; right: 40px;
    }

    .product-hero-title h1 {
      font-size: clamp(2rem, 5vw, 3.8rem);
      font-weight: 900;
      color: white;
      line-height: 1.1;
      text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    }

    .product-hero-title p {
      font-size: 1rem;
      color: rgba(255,255,255,0.85);
      margin-top: 8px;
      font-style: italic;
      font-family: var(--font-display);
    }

    /* ── Main Content ── */
    .product-body {
      max-width: 860px;
      margin: 0 auto;
      padding: 60px 24px 100px;
    }

    /* ── Price Strip ── */
    .price-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      background: white;
      border: 1px solid rgba(16,185,129,0.15);
      border-radius: var(--radius-card);
      padding: 28px 36px;
      margin-bottom: 48px;
      box-shadow: 0 4px 30px rgba(6,78,59,0.07);
    }

    .price-amount {
      font-family: var(--font-body);
      font-size: 2.6rem;
      font-weight: 700;
      color: var(--forest);
      letter-spacing: -1px;
      line-height: 1;
    }

    .price-amount sup {
      font-size: 1.2rem;
      font-weight: 600;
      vertical-align: super;
    }

    .price-amount sub {
      font-size: 0.9rem;
      font-weight: 400;
      color: var(--text-light);
      letter-spacing: 0;
    }

    .price-meta {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .price-stock {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--emerald-dark);
    }

    .price-stock::before {
      content: '';
      width: 8px; height: 8px;
      background: var(--emerald);
      border-radius: 50%;
      display: inline-block;
    }

    .price-weight {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    .btn-order {
      background: linear-gradient(135deg, var(--emerald), var(--forest-light));
      color: white;
      border: none;
      border-radius: var(--radius-pill);
      padding: 14px 36px;
      font-family: var(--font-body);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: transform var(--transition), box-shadow var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-order:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 35px rgba(16,185,129,0.4);
      color: white;
    }

    /* ── Section Blocks ── */
    .pd-section {
      margin-bottom: 48px;
    }

    .pd-section-label {
      font-family: var(--font-body);
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--emerald);
      margin-bottom: 10px;
      display: block;
    }

    .pd-section h2 {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--forest);
      margin-bottom: 16px;
      line-height: 1.2;
    }

    .pd-section p {
      font-size: 1rem;
      color: var(--text-mid);
      line-height: 1.85;
    }

    .pd-divider {
      height: 1px;
      background: rgba(16,185,129,0.12);
      margin: 48px 0;
    }

    /* ── Benefits Grid ── */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .benefit-card {
      background: white;
      border: 1px solid rgba(16,185,129,0.12);
      border-radius: 16px;
      padding: 24px 20px;
      transition: transform var(--transition), box-shadow var(--transition);
      align-items: center;
      text-align: center;
    }

    .benefit-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(6,78,59,0.09);
    }

    .benefit-icon {
      font-size: 1.6rem;
      margin-bottom: 12px;
      color: var(--mint);
    }

    .benefit-card h5 {
      font-family: var(--font-body);
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--forest);
      margin-bottom: 6px;
    }

    .benefit-card p {
      font-size: 0.82rem;
      color: var(--text-light);
      line-height: 1.6;
      margin: 0;
    }

    /* ── Usage Steps ── */
    .usage-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 20px;
    }

    .usage-step {
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }

    .step-num {
      width: 40px; height: 40px;
      min-width: 40px;
      background: linear-gradient(135deg, var(--emerald), var(--forest-light));
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      color: white;
    }

    .step-text h5 {
      font-family: var(--font-body);
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--forest);
      margin-bottom: 4px;
    }

    .step-text p {
      font-size: 0.87rem;
      color: var(--text-light);
      line-height: 1.65;
      margin: 0;
    }

    /* ── Ingredients List ── */
    .ingredient-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .ing-chip {
      background: var(--pale);
      border: 1px solid rgba(16,185,129,0.2);
      color: var(--forest-light);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .ing-chip i {
      color: var(--emerald);
      font-size: 0.7rem;
    }

    /* ── Skin Types ── */
    .skin-types {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .skin-chip {
      background: var(--forest);
      color: var(--mint);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
    }

    /* ── Caution Block ── */
    .caution-block {
      background: #fffbeb;
      border: 1px solid #fde68a;
      border-radius: 14px;
      padding: 20px 24px;
      margin-top: 20px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .caution-block i {
      color: #d97706;
      font-size: 1.1rem;
      margin-top: 2px;
    }

    .caution-block p {
      font-size: 0.87rem;
      color: #92400e;
      line-height: 1.65;
      margin: 0;
    }

    /* ── Bottom CTA ── */
    .bottom-cta {
      background: linear-gradient(135deg, var(--forest), var(--forest-light));
      border-radius: 24px;
      padding: 48px 40px;
      text-align: center;
      margin-top: 60px;
    }

    .bottom-cta h3 {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--sage);
      margin-bottom: 10px;
    }

    .bottom-cta p {
      color: rgba(167,243,208,0.75);
      font-size: 0.95rem;
      margin-bottom: 28px;
    }

    .btn-whatsapp {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #25D366, #128C7E);
      color: white;
      border: none;
      border-radius: var(--radius-pill);
      padding: 14px 36px;
      font-family: var(--font-body);
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      transition: all var(--transition);
      box-shadow: 0 8px 30px rgba(37,211,102,0.35);
    }

    .btn-whatsapp:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 40px rgba(37,211,102,0.5);
      color: white;
    }

    /* ── Fade-in ── */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 600px) {
      .product-hero { height: 55vh; }
      .product-hero-title { left: 20px; right: 20px; bottom: 24px; }
      .product-hero-badge { top: 80px; right: 20px; }
      .price-strip { flex-direction: column; align-items: flex-start; padding: 24px; }
      .btn-order { width: 100%; justify-content: center; }
      .product-body { padding: 40px 16px 80px; }
      .bottom-cta { padding: 36px 24px; }
    }