/* ===================== THEME TOKENS ===================== */
    :root,
    html[data-theme="emerald"] {
      --color-primary: #0F4C3A;       /* emerald */
      --color-primary-light: #1B6B50;
      --color-primary-dark: #08291f;
      --primary-rgb: 15, 76, 58;
      --color-accent: #C9A54D;        /* gold */
      --accent-rgb: 201, 165, 77;
      --color-text-main: #16241E;
      --color-text-muted: #555555;
      --color-bg: #ffffff;
      --color-bg-alt: #f8f9fa;
      --warm-bg-1: #F5F1E9;
      --warm-bg-2: #ebe5d9;
      --warm-bg-3: #f0ece4;
      --weave-1: rgba(200, 185, 160, 0.15);
      --weave-2: rgba(190, 175, 150, 0.12);
      --weave-3: rgba(215, 200, 175, 0.08);
    }

    html[data-theme="plum"] {
      --color-primary: #431456;       /* Nazara brand purple (sampled from logo) */
      --color-primary-light: #5E2380;
      --color-primary-dark: #260C32;
      --primary-rgb: 67, 20, 86;
      --color-accent: #C98A6B;        /* rose-gold */
      --accent-rgb: 201, 138, 107;
      --color-text-main: #1E0E28;
      --color-text-muted: #5d5560;
      --color-bg: #ffffff;
      --color-bg-alt: #faf7fb;
      --warm-bg-1: #F4EEF7;
      --warm-bg-2: #E7DBEC;
      --warm-bg-3: #F0E8F4;
      --weave-1: rgba(150, 110, 170, 0.15);
      --weave-2: rgba(135, 100, 160, 0.12);
      --weave-3: rgba(165, 130, 185, 0.08);
    }

    :root {
      --font-heading: 'Fraunces', Georgia, serif;
      --font-body: 'Inter', sans-serif;
      --container-padding: 2rem;
      --max-width: 1400px;
    }

    /* Font pairings (switchable) — all SIL OFL */
    html[data-font="editorial"] { --font-heading: 'Fraunces', Georgia, serif; --font-body: 'Inter', sans-serif; }
    html[data-font="elegant"]   { --font-heading: 'Cormorant Garamond', Georgia, serif; --font-body: 'Montserrat', sans-serif; }
    html[data-font="modern"]    { --font-heading: 'Space Grotesk', sans-serif; --font-body: 'Inter', sans-serif; }

    h1, h2, h3, h4, h5, h6 { font-optical-sizing: auto; }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    html { overflow-x: hidden; }
    body {
      font-family: var(--font-body);
      background: var(--color-bg);
      color: var(--color-text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      max-width: 100%;
      transition: background 0.4s ease, color 0.4s ease;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-heading);
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 0.5em;
      transition: color 0.4s ease;
    }
    h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
    h2 { font-size: 2.5rem; }
    a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }

    .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--container-padding); }
    section { padding: 7rem 0; }

    .section-label {
      color: var(--color-accent);
      text-transform: uppercase;
      letter-spacing: 0.25em;
      font-size: 0.85rem;
      margin-bottom: 1rem;
      display: block;
    }

    /* [CONFIRM] placeholder tag */
    .confirm {
      display: inline-block;
      font-family: var(--font-body);
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #b4453b;
      background: rgba(180, 69, 59, 0.1);
      border: 1px dashed rgba(180, 69, 59, 0.45);
      border-radius: 3px;
      padding: 1px 6px;
      vertical-align: middle;
      margin-left: 0.4rem;
    }

    /* ===================== BUTTONS ===================== */
    .btn {
      display: inline-block;
      padding: 1rem 2.5rem;
      border: 1px solid var(--color-secondary, #6b6b6b);
      background: transparent;
      color: var(--color-text-main);
      font-family: var(--font-heading);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-primary {
      background: var(--color-accent);
      color: #fff;
      border: 1px solid var(--color-accent);
      font-weight: 600;
    }
    .btn-primary:hover { background: transparent; color: var(--color-accent); }
    .btn-outline-light { border-color: rgba(255,255,255,0.4); color: #fff; }
    .btn-outline-light:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

    /* ===================== NAVBAR ===================== */
    .navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 1.25rem 0;
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0,0,0,0.08);
    }
    .navbar-inner { display: flex; justify-content: space-between; align-items: center; }
    .logo { display: flex; align-items: center; }
    .logo-img { height: clamp(52px, 7.15vw, 66px); width: auto; display: block; }
    .footer-logo-img { height: clamp(44px, 7vw, 58px); width: auto; display: block; margin: 0 auto 0.2rem; }
    .logo .logo-text { font-size: 1.75rem; font-weight: 900; color: var(--color-primary); letter-spacing: 0.01em; }
    .logo .logo-accent { color: var(--color-accent); font-weight: 400; font-style: italic; font-size: 0.95rem; margin-left: 0.5rem; letter-spacing: 0.08em; }
    .nav-links { display: flex; gap: 3rem; }
    .nav-links a { color: var(--color-primary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.15em; opacity: 0.82; position: relative; }
    .nav-links a:hover { opacity: 1; }
    .nav-links a::after { content: ''; position: absolute; bottom: -6px; left: 50%; transform: translateX(-50%); width: 0; height: 1px; background: var(--color-accent); transition: width 0.3s ease; }
    .nav-links a:hover::after { width: 20px; }
    .nav-cta { padding: 0.6rem 1.4rem; font-size: 0.72rem; }

    /* Hamburger + mobile slide-in menu */
    .hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1300; }
    .hamburger span { width: 26px; height: 2px; background: var(--color-primary); display: block; transition: all 0.3s ease; }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
    .mobile-menu-wrap { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 1250; }
    .mobile-menu { position: absolute; top: 0; right: 0; bottom: 0; width: min(80vw, 320px); background: var(--color-primary); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease; display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; padding: 2rem 2.4rem; box-shadow: -10px 0 40px rgba(0,0,0,0.3); pointer-events: auto; }
    .mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
    .mobile-menu a { color: #fff; font-family: var(--font-heading); font-size: 1.5rem; letter-spacing: 0.02em; }
    .mobile-menu a.btn { font-size: 0.95rem; text-align: center; margin-top: 1rem; color: #fff; }
    .mobile-menu-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.45); opacity: 0; visibility: hidden; transition: opacity 0.3s ease; z-index: 1240; }
    .mobile-menu-backdrop.open { opacity: 1; visibility: visible; }

    /* ===================== HERO ===================== */
    .hero {
      min-height: 100vh; display: flex; align-items: center; justify-content: center;
      position: relative; text-align: center; overflow: hidden;
      background: var(--color-primary);
    }
    .hero-bg {
      position: absolute; inset: 0; z-index: 0;
      background-image: url('/assets/hero-embroidery.jpg');
      background-size: cover; background-position: center;
      transform: translateZ(0); will-change: transform; -webkit-backface-visibility: hidden;
    }
    .hero-overlay {
      position: absolute; inset: 0; z-index: 1;
      background:
        linear-gradient(to bottom, rgba(var(--primary-rgb), 0.55), rgba(var(--primary-rgb), 0.78)),
        radial-gradient(circle at center, rgba(8, 12, 16, 0.25) 0%, rgba(8, 12, 16, 0.6) 100%);
      transition: background 0.4s ease;
    }
    .hero-content { position: relative; z-index: 2; max-width: 900px; padding: 0 1.5rem; }
    .hero-subtitle { color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.3em; font-size: 1.08rem; margin-bottom: 1.8rem; font-weight: 700; text-shadow: 0 2px 14px rgba(0,0,0,0.55); }
    .hero-title { color: #fff; font-size: 5rem; line-height: 1.05; margin-bottom: 1.6rem; font-weight: 900; text-shadow: 0 4px 30px rgba(0,0,0,0.5); }
    .hero-title span { display: block; font-size: 2rem; font-weight: 400; font-style: italic; color: rgba(255,255,255,0.92); margin-top: 0.6rem; }
    .hero-description { color: rgba(255,255,255,0.88); font-size: 1.2rem; font-weight: 300; max-width: 660px; margin: 0 auto 2.6rem; line-height: 1.8; }
    .hero-buttons { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }

    /* ===================== FEATURES ===================== */
    .features-section {
      background-color: var(--warm-bg-1);
      background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, var(--weave-1) 2px, var(--weave-1) 3px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, var(--weave-2) 2px, var(--weave-2) 3px),
        repeating-linear-gradient(45deg, transparent, transparent 10px, var(--weave-3) 10px, var(--weave-3) 11px),
        linear-gradient(135deg, var(--warm-bg-1) 0%, var(--warm-bg-2) 50%, var(--warm-bg-3) 100%);
      padding: 5rem 0; text-align: center;
    }
    .features-section h2 { font-size: 2.6rem; margin-bottom: 3rem; }
    .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; max-width: 1200px; margin: 0 auto; }
    .feature-card { padding: 1.5rem; transition: transform 0.3s ease; }
    .feature-card:hover { transform: translateY(-10px); }
    .feature-icon {
      width: 72px; height: 72px; background: #fff; border-radius: 50%;
      display: flex; align-items: center; justify-content: center; margin: 0 auto 1.4rem;
      box-shadow: 0 4px 12px rgba(0,0,0,0.06); border: 1px solid rgba(var(--primary-rgb), 0.1);
      transition: all 0.3s ease;
    }
    .feature-icon svg { width: 32px; height: 32px; color: var(--color-primary); transition: color 0.3s ease; }
    .feature-card:hover .feature-icon svg { color: var(--color-accent); }
    .feature-card h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.8rem; }
    .feature-card p { color: var(--color-text-muted); font-size: 0.95rem; font-weight: 300; }

    /* ===================== ABOUT ===================== */
    .about-intro { background: var(--color-bg); padding: 5rem 0 1rem; text-align: center; }
    .about-introduction { font-size: 1.65rem; font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); line-height: 1.6; max-width: 920px; margin: 0 auto; }
    .about-section { padding: 5rem 0 6rem; background: var(--warm-bg-1); }
    .about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: center; }
    .about-image img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 3px; box-shadow: 0 20px 40px rgba(0,0,0,0.15); border: 1px solid rgba(0,0,0,0.08); filter: brightness(0.97) contrast(1.04); }
    .about-content h2 { font-size: 2.8rem; margin-bottom: 1.6rem; }
    .about-content p { margin-bottom: 1.3rem; color: var(--color-text-muted); font-size: 1.08rem; font-weight: 300; }
    .about-stats { display: flex; gap: 3rem; margin-top: 2.4rem; padding-top: 2.4rem; border-top: 1px solid rgba(0,0,0,0.1); flex-wrap: wrap; }
    .stat-number { font-family: var(--font-heading); font-size: 2.6rem; color: var(--color-primary); display: block; line-height: 1; margin-bottom: 0.4rem; }
    .stat-label { font-size: 0.72rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

    /* ===================== VISION BAND ===================== */
    .vision-section { position: relative; background: var(--color-primary-dark); padding: 6.5rem 0; text-align: center; overflow: hidden; transition: background 0.4s ease; }
    .vision-bg { position: absolute; inset: 0; z-index: 0; background: url('/assets/schiffli-detail-2.jpg') center/cover; opacity: 0.16; transform: translateZ(0); }
    .vision-tint { position: absolute; inset: 0; z-index: 1; background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.93) 0%, rgba(var(--primary-rgb), 0.8) 100%); transition: background 0.4s ease; }
    .vision-inner { position: relative; z-index: 2; }
    .vision-rule { width: 56px; height: 2px; background: var(--color-accent); margin: 0 auto 1.6rem; border-radius: 2px; }
    .vision-title { color: var(--color-accent); font-size: 2.2rem; font-weight: 900; margin-bottom: 1.4rem; letter-spacing: 0.12em; }
    .vision-statement { color: #fff; font-size: 1.4rem; font-weight: 300; line-height: 1.8; max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }

    /* ===================== PRODUCTS GRID ===================== */
    .products-section { background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-dark)); text-align: center; transition: background 0.4s ease; }
    .products-section .section-label { color: var(--color-accent); }
    .products-section h2 { color: #fff; margin-bottom: 3.5rem; font-size: 2.8rem; }
    .products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.06); }
    .product-card { background: var(--color-primary); padding-bottom: 2.5rem; display: flex; flex-direction: column; align-items: center; position: relative; overflow: hidden; transition: all 0.4s ease; }
    .product-image-container { width: 100%; height: 230px; position: relative; overflow: hidden; margin-bottom: 2.2rem; }
    .product-image-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .product-card:hover .product-image-container img { transform: scale(1.1); }
    .product-icon-overlay { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); background: var(--color-primary); width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-accent); font-size: 1.4rem; border: 2px solid var(--color-accent); z-index: 2; }
    .product-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 0.8rem; padding: 0 1rem; }
    .product-card p { color: rgba(255,255,255,0.72); font-size: 0.92rem; line-height: 1.7; font-weight: 300; padding: 0 1.5rem; }

    /* ===================== PRODUCT FEATURE (alternating) ===================== */
    .product-feature-section { padding: 5rem 0; background: var(--color-bg); overflow: hidden; }
    .product-feature-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 5rem; align-items: center; }
    .product-feature-grid.reverse { grid-template-columns: 1fr 1.15fr; }
    .product-feature-grid.reverse .pf-image { order: 2; }
    .pf-image { position: relative; padding: 1rem; }
    .pf-image::before { content: ''; position: absolute; top: 0; left: 0; width: 80%; height: 90%; background: var(--warm-bg-2); z-index: 0; transform: translate(-18px, -18px); }
    .product-feature-grid.reverse .pf-image::before { left: auto; right: 0; transform: translate(18px, -18px); }
    .pf-image img { position: relative; z-index: 1; width: 100%; height: 460px; object-fit: cover; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
    .pf-content h2 { font-size: 2.6rem; margin-bottom: 1.4rem; }
    .pf-content p { font-size: 1.1rem; line-height: 1.85; color: var(--color-text-muted); font-weight: 300; }
    .product-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
    .gallery-item { height: 240px; overflow: hidden; }
    .gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
    .gallery-item:hover img { transform: scale(1.06); }

    /* ===================== CERTIFICATIONS ===================== */
    .certifications-section { display: none; /* hidden for now per request — re-enable by removing display:none */ background: var(--color-bg); text-align: center; padding: 4.5rem 0; }
    .cert-banner { max-width: 760px; margin: 0 auto 2.2rem; font-size: 0.85rem; color: #b4453b; background: rgba(180,69,59,0.08); border: 1px dashed rgba(180,69,59,0.4); border-radius: 6px; padding: 0.7rem 1rem; }
    .certifications-grid { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
    .cert-badge { background: #fff; padding: 1.8rem 2.6rem; border-radius: 6px; box-shadow: 0 4px 20px rgba(0,0,0,0.07); border: 1px solid rgba(0,0,0,0.05); min-width: 170px; transition: transform 0.3s ease; }
    .cert-badge:hover { transform: translateY(-5px); }
    .cert-name { font-family: var(--font-heading); font-size: 1.2rem; color: var(--color-primary); font-weight: 700; margin-bottom: 0.4rem; }
    .cert-desc { font-size: 0.82rem; color: var(--color-text-muted); }

    /* ===================== PROCESS ===================== */
    .process-section { text-align: center; background: var(--color-bg); }
    .process-section h2 { font-size: 2.8rem; }
    .process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3.5rem; margin-top: 4rem; }
    .process-step { position: relative; text-align: left; padding-top: 2rem; border-top: 1px solid rgba(0,0,0,0.12); }
    .step-number { font-family: var(--font-heading); font-size: 3.6rem; color: transparent; -webkit-text-stroke: 1px rgba(var(--primary-rgb), 0.25); position: absolute; top: -2.4rem; right: 0; }
    .process-step h3 { font-size: 1.35rem; margin-bottom: 0.8rem; }
    .process-step p { color: var(--color-text-muted); font-size: 0.98rem; font-weight: 300; }

    /* ===================== FAQ ===================== */
    .faq-section { background: var(--color-bg); padding: 6rem 0; }
    .faq-head { text-align: center; margin-bottom: 3rem; }
    .faq-container { max-width: 880px; margin: 0 auto; }
    .faq-item { background: #fff; border: 1px solid rgba(0,0,0,0.1); margin-bottom: 1rem; border-radius: 3px; overflow: hidden; transition: all 0.3s ease; }
    .faq-item:hover { border-color: var(--color-accent); }
    .faq-item.active { border-color: var(--color-primary); box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.1); }
    .faq-question { width: 100%; padding: 1.5rem 1.8rem; background: transparent; border: none; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; font-family: var(--font-heading); font-size: 1.08rem; font-weight: 600; color: var(--color-primary); }
    .faq-question:hover { background: rgba(var(--primary-rgb), 0.02); }
    .faq-item.active .faq-question { background: rgba(var(--primary-rgb), 0.05); }
    .faq-icon { font-size: 1.4rem; font-weight: 300; color: var(--color-accent); flex-shrink: 0; transition: transform 0.3s ease; }
    .faq-item.active .faq-icon { transform: rotate(45deg); }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
    .faq-answer.open { max-height: 400px; padding: 0 1.8rem 1.6rem; }
    .faq-answer p { color: var(--color-text-muted); font-size: 0.98rem; line-height: 1.8; font-weight: 300; }

    /* ===================== CONTACT CTA + CONTACT ===================== */
    .contact-cta-section { position: relative; min-height: 360px; display: flex; align-items: center; justify-content: center; background-color: var(--color-primary); background-image: url('/assets/home-cta-new.jpg'); background-size: cover; background-position: center; overflow: hidden; transform: translateZ(0); }
    .contact-cta-overlay { position: absolute; inset: 0; background: rgba(var(--primary-rgb), 0.7); z-index: 1; transition: background 0.4s ease; }
    .contact-cta-content { position: relative; z-index: 2; display: flex; align-items: center; padding: 3rem 8%; width: 100%; }
    .contact-cta-heading { color: #fff; font-size: 2.1rem; font-weight: 700; margin: 0; text-align: left; }
    .contact-cta-button { margin-left: auto; }

    .contact-section { background: var(--color-bg-alt); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
    .contact-info h2 { font-size: 3rem; line-height: 1.1; }
    .contact-info p { margin-bottom: 1rem; color: var(--color-text-muted); font-weight: 300; font-size: 1.08rem; }
    .contact-details { margin-top: 2.4rem; padding-top: 2.4rem; border-top: 1px solid rgba(0,0,0,0.1); }
    .contact-details p { margin-bottom: 0.7rem; font-size: 1rem; color: var(--color-text-main); }
    .contact-details strong { color: var(--color-primary); font-weight: 700; margin-right: 0.5rem; }
    .contact-form { display: flex; flex-direction: column; gap: 1.2rem; background: #fff; padding: 2.6rem; border: 1px solid rgba(0,0,0,0.1); box-shadow: 0 4px 20px rgba(0,0,0,0.05); }
    .contact-form input, .contact-form textarea { padding: 1.1rem; border: 1px solid rgba(0,0,0,0.15); font-family: var(--font-body); font-size: 1rem; background: var(--color-bg); color: var(--color-text-main); }
    .contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--color-primary); }

    /* ===================== FOOTER ===================== */
    .footer { padding: 4rem 0 5rem; text-align: center; background: var(--color-primary); transition: background 0.4s ease; }
    .footer-content { display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
    .footer-brand .logo-text { font-size: 1.9rem; font-weight: 900; color: #fff; letter-spacing: 0.04em; font-family: var(--font-heading); }
    .footer-brand .logo-accent { font-size: 0.9rem; color: var(--color-accent); font-style: italic; font-family: var(--font-heading); margin-left: 0.4rem; }
    .footer-tagline { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-top: 0.4rem; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 1.8rem; justify-content: center; }
    .footer-links a { color: rgba(255,255,255,0.9); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 500; }
    .footer-links a:hover { color: var(--color-accent); }
    .footer-copyright { color: rgba(255,255,255,0.5); font-size: 0.78rem; letter-spacing: 0.05em; margin-top: 0.8rem; }

    /* ===================== RESPONSIVE ===================== */
    @media (max-width: 1024px) {
      .hero-title { font-size: 3.6rem; }
      .features-grid, .products-grid, .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    }
    @media (max-width: 768px) {
      h1 { font-size: 2.4rem; } h2 { font-size: 1.9rem; }
      section { padding: 4.5rem 0; }
      .nav-links { display: none; }
      .hero-content { max-width: 100%; }
      .hero-title { font-size: clamp(1.8rem, 7vw, 2.6rem); } .hero-title span { font-size: 1.2rem; }
      .hero-description { font-size: 1.02rem; }
      .features-grid, .products-grid, .process-timeline { grid-template-columns: 1fr; }
      .product-feature-grid, .product-feature-grid.reverse, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
      .product-feature-grid.reverse .pf-image { order: 0; }
      .product-gallery { grid-template-columns: 1fr; }
      .pf-image img { height: 320px; }
      .contact-cta-content { flex-direction: column; gap: 1.5rem; text-align: center; }
      .contact-cta-heading { text-align: center; }
      .contact-cta-button { margin-left: 0; }
      .contact-form input { font-size: 16px; }
      .navbar { padding: 0.9rem 0; }
      .hamburger { display: flex; }
      .nav-cta { display: none; }
      .hero-subtitle { letter-spacing: 0.16em; font-size: 0.9rem; }
    }

    .footer-address { color: rgba(255,255,255,0.6); font-size: 0.82rem; max-width: 520px; margin: 0.2rem auto 0; line-height: 1.5; }

    /* ===================== INNER PAGE HEADER ===================== */
    .page-header { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; text-align: center; padding: 9rem 0 4rem; position: relative; }
    .page-header .section-label { color: var(--color-accent); }
    .page-header h1 { color: #fff; font-size: clamp(2.1rem, 6vw, 3.6rem); margin-bottom: 1rem; line-height: 1.1; }
    .page-header p { color: rgba(255,255,255,0.88); max-width: 720px; margin: 0 auto; font-size: 1.12rem; font-weight: 300; }
    /* related-technique links */
    .related-section { background: var(--color-bg-alt); text-align: center; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1000px; margin: 2.5rem auto 0; }
    .related-card { display: block; background: #fff; border: 1px solid rgba(0,0,0,0.08); border-radius: 8px; padding: 1.6rem 1.4rem; transition: transform 0.3s ease, box-shadow 0.3s ease; }
    .related-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
    .related-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
    .related-card p { color: var(--color-text-muted); font-size: 0.92rem; font-weight: 300; }
    @media (max-width: 768px) { .page-header { padding: 7rem 0 3rem; } .related-grid { grid-template-columns: 1fr; } }