.product-front img.product-img{
    width:100%;
    flex:1;
    min-height:0;      /* lets the image shrink so the name label stays visible below it */
    object-fit:cover;
    display:block;
  }
  /* ============================================
     DESIGN TOKENS — monochrome: white / black / off-white
     ============================================ */
  :root{
    --ink:        #FFFFFF;   /* background */
    --charcoal:   #ede0d4;   /* surface — section backgrounds */
    --card:       #e6ccb2;   /* card / placeholder tile background */
    --shark-grey: #ddb892;   /* border */
    --fin-grey:   #000000;   /* text-light — secondary text */
    --bone:       #000000;   /* text — primary */
    --acid:       #ddb892;   /* accent — used for tags & small highlights */
    --blood:      #000000;
  
    --primary:       #b08968; /* button background */
    --primary-hover: #96714f; /* button hover — deeper brown */
  
    --font-display: 'Anton', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  
    --marquee-duration: 30s;
  }
  
  *{ margin:0; padding:0; box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    background:var(--ink);
    color:var(--bone);
    font-family:var(--font-body);
    overflow-x:hidden;
    position:relative;
  }
  img,.ph{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  ::selection{ background:var(--primary); color:#000; }
  button{ font-family:inherit; }
  
  .wrap{ max-width:1240px; margin:0 auto; padding:0 32px; }
  
  /* subtle film-grain texture for depth — a small detail that reads as premium print */
  body::before{
    content:"";
    position:fixed; inset:0;
    z-index:1;
    pointer-events:none;
    opacity:0.035;
    mix-blend-mode:multiply;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  
  /* scroll progress bar */
  .progress-bar{
    position:fixed; top:0; left:0; height:3px;
    background:var(--bone);
    z-index:200;
    width:0%;
    transition:width 0.1s linear;
  }
  
  /* ============================================
     PLACEHOLDER ASSETS
     Elements with class "ph" stand in for real images.
     Swap by setting background-image inline, or replace
     the element with an <img>.
     ============================================ */
  .ph{
    background:
      linear-gradient(135deg, rgba(176,137,104,0.06) 25%, transparent 25%) -10px 0/20px 20px,
      linear-gradient(225deg, rgba(176,137,104,0.06) 25%, transparent 25%) -10px 0/20px 20px,
      linear-gradient(315deg, rgba(176,137,104,0.06) 25%, transparent 25%) 0px 0/20px 20px,
      linear-gradient(45deg,  rgba(176,137,104,0.06) 25%, transparent 25%) 0px 0/20px 20px,
      var(--card);
    position:relative;
    display:flex; align-items:center; justify-content:center;
  }
  .ph::after{
    content:attr(data-label);
    font-family:var(--font-mono);
    font-size:11px;
    letter-spacing:0.06em;
    color:var(--fin-grey);
    background:rgba(255,255,255,0.9);
    padding:5px 9px;
    border:1px dashed var(--shark-grey);
    text-transform:uppercase;
  }
  
  /* ============================================
     LOAD-IN SEQUENCE (plays once on page load)
     ============================================ */
  @keyframes fadeUp{
    from{ opacity:0; transform:translateY(24px); }
    to{ opacity:1; transform:translateY(0); }
  }
  .load-in{ opacity:0; animation:fadeUp 0.9s cubic-bezier(.2,.7,.2,1) forwards; }
  .load-in.d1{ animation-delay:0.05s; }
  .load-in.d2{ animation-delay:0.2s; }
  .load-in.d3{ animation-delay:0.4s; }
  .load-in.d4{ animation-delay:0.55s; }
  .load-in.d5{ animation-delay:0.7s; }
  
  /* ============================================
     HEADER
     ============================================ */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(255,255,255,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--shark-grey);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 32px;
    max-width:1240px; margin:0 auto;
  }
  .brand{ display:flex; align-items:center; gap:14px; }
  .logo{
    position:relative;
    font-family:var(--font-display);
    font-size:21px;
    text-transform:uppercase;
    display:inline-flex; align-items:center; gap:10px;
  }
  .logo-img{
    width:32px; height:32px;
    border-radius:8px;
    flex:0 0 auto;
    font-size:0;
  }
  .logo-img::after{ font-size:7px; padding:2px 4px; }
  img.logo-img{ object-fit:cover; background:none; }
  .logo .bite{ -webkit-text-stroke:1px var(--bone); color:transparent; }
  
  .social-icons{ display:flex; align-items:center; gap:8px; }
  .social-icons a{
    width:28px; height:28px;
    display:flex; align-items:center; justify-content:center;
    border:1px solid var(--shark-grey);
    border-radius:50%;
    color:var(--fin-grey);
    transition:border-color 0.25s ease, color 0.25s ease, background 0.25s ease, transform 0.25s ease;
  }
  .social-icons svg{ width:13px; height:13px; }
  .social-icons a:hover{
    border-color:var(--primary-hover); color:#000;
    background:var(--primary-hover);
    transform:translateY(-2px);
  }
  
  nav.links{ display:flex; align-items:center; gap:30px; }
  .nav-link{
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:0.05em;
    text-transform:uppercase;
    color:var(--fin-grey);
    position:relative;
    padding:8px 0;
    display:inline-flex; align-items:center; gap:5px;
    transition:color 0.25s ease;
  }
  .nav-link::after{
    content:""; position:absolute; left:0; bottom:2px;
    width:0%; height:1.5px; background:var(--bone);
    transition:width 0.3s ease;
  }
  .nav-link:hover{ color:var(--bone); }
  .nav-link:hover::after{ width:100%; }
  .nav-link .chevron{ width:9px; height:6px; color:var(--fin-grey); transition:transform 0.25s ease, color 0.25s ease; }
  .nav-link:hover .chevron{ color:var(--bone); }
  .nav-item:hover .nav-link .chevron{ transform:rotate(180deg); }
  
  .nav-item{ position:relative; }
  .dropdown{
    position:absolute; top:100%; left:0;
    padding-top:16px; /* extends the hoverable hit-area up to the nav link, closing the gap */
    background:#FFFFFF;
    border:1px solid var(--shark-grey);
    border-radius:16px;
    box-shadow:0 28px 56px -18px rgba(176,137,104,0.2);
    padding-left:20px; padding-right:20px; padding-bottom:20px;
    display:flex;
    gap:24px;
    opacity:0;
    visibility:hidden;
    transition:opacity 0.2s ease, visibility 0.2s ease;
    pointer-events:none;
    z-index:60;
  }
  .nav-item:hover .dropdown,
  .nav-item.open .dropdown{
    opacity:1; visibility:visible; pointer-events:auto;
  }
  .dropdown-simple{ right:auto; }
  
  .dropdown-list{
    display:flex; flex-direction:column; gap:2px;
    min-width:190px;
  }
  .dropdown-list-2col{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:2px 20px;
    min-width:380px;
  }
  .dropdown-list a{
    font-family:var(--font-mono);
    font-size:12px;
    color:var(--fin-grey);
    padding:9px 10px;
    border-radius:8px;
    white-space:nowrap;
    transition:background 0.2s ease, color 0.2s ease;
  }
  .dropdown-list a:hover{ background:var(--charcoal); color:var(--bone); }
  
  .dropdown-preview{ flex:0 0 auto; width:180px; }
  .dropdown-preview-img{ width:180px; height:180px; border-radius:12px; }
  .dropdown-preview-img::after{ font-size:9.5px; text-align:center; }
  
  .nav-cta{
    font-family:var(--font-mono);
    font-size:12px; text-transform:uppercase; letter-spacing:0.05em;
    background:var(--primary); color:#000;
    padding:11px 20px;
    border:1px solid var(--primary);
    border-radius:100px;
    font-weight:600;
    display:inline-block;
    transition:background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  }
  .nav-cta:hover{ background:var(--primary-hover); border-color:var(--primary-hover); }
  
  .menu-toggle{
    display:none; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer;
  }
  .menu-toggle span{ width:22px; height:2px; background:var(--bone); }
  
  /* ============================================
     HERO — hover-to-fill headline
     ============================================ */
  .hero{
    position:relative;
    padding:180px 0 90px;
    overflow:hidden;
    border-bottom:1px solid var(--shark-grey);
  }
  .hero-watermark{
    position:absolute;
    top:-4%; left:50%;
    transform:translateX(-50%);
    font-family:var(--font-display);
    font-size:clamp(160px, 32vw, 460px);
    color:var(--charcoal);
    line-height:1;
    white-space:nowrap;
    z-index:0;
    user-select:none;
    pointer-events:none;
    will-change:transform;
  }
  .hero .wrap{ position:relative; z-index:2; }
  
  .hero-eyebrow{
    font-family:var(--font-mono);
    font-size:12px; letter-spacing:0.16em; text-transform:uppercase;
    color:var(--blood);
    display:flex; align-items:center; gap:10px;
    margin-bottom:22px;
    font-weight:500;
  }
  .hero-eyebrow::before{
    content:""; width:7px; height:7px; background:var(--acid);
    display:inline-block; animation:pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse{ 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.35;transform:scale(0.7);} }
  
  /* signature interaction: outlined words that fill with color on hover and stay lit for a while */
  .reveal-heading{
    font-family:var(--font-display);
    text-transform:uppercase;
    font-size:clamp(52px, 10vw, 128px);
    line-height:0.92;
    letter-spacing:0.005em;
  }
  .word{
    display:inline-block;
    color:transparent;
    -webkit-text-stroke:1.5px #b08968; /* kept as the original accent brown, excluded from the black text change */
    transition:color 0.6s ease;
    cursor:default;
  }
  .word.lit{
    color:#ddb892; /* kept as the original tan fill, excluded from the black text change */
  }
  
  .hero-sub{
    margin-top:26px; max-width:440px;
    font-size:15.5px; line-height:1.65; color:var(--fin-grey);
  }
  .hero-actions{ margin-top:40px; display:flex; gap:16px; flex-wrap:wrap; }
  .btn{
    font-family:var(--font-mono);
    font-size:12.5px; text-transform:uppercase; letter-spacing:0.05em;
    padding:15px 28px;
    border:1px solid var(--bone);
    border-radius:100px;
    transition:background 0.25s ease, color 0.25s ease, transform 0.12s ease-out;
    cursor:pointer; background:none; color:var(--bone);
    display:inline-block;
  }
  .btn-primary{ background:var(--primary); color:#000; border-color:var(--primary); }
  .btn-primary:hover{ background:var(--primary-hover); border-color:var(--primary-hover); }
  .btn-ghost{ color:var(--bone); border-color:var(--bone); }
  .btn-ghost:hover{ background:var(--primary-hover); color:#000; border-color:var(--primary-hover); }
  
  .scroll-cue{
    margin-top:80px;
    display:flex; align-items:center; gap:10px;
    font-family:var(--font-mono); font-size:11px;
    color:var(--fin-grey); text-transform:uppercase; letter-spacing:0.08em;
  }
  .scroll-cue svg{ width:14px; height:14px; animation:bob 1.6s ease-in-out infinite; }
  @keyframes bob{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(5px);} }
  
  /* ============================================
     SCROLL REVEAL (JS driven)
     ============================================ */
  .reveal{
    opacity:0; transform:translateY(32px);
    transition:opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1);
  }
  .reveal.is-visible{ opacity:1; transform:translateY(0); }
  .reveal-left{ opacity:0; transform:translateX(-40px); transition:opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.7,.2,1); }
  .reveal-left.is-visible{ opacity:1; transform:translateX(0); }
  .reveal-right{ opacity:0; transform:translateX(40px); transition:opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.7,.2,1); }
  .reveal-right.is-visible{ opacity:1; transform:translateX(0); }
  .reveal-stagger > *{ opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease; }
  .reveal-stagger.is-visible > *{ opacity:1; transform:translateY(0); }
  .reveal-stagger.is-visible > *:nth-child(1){ transition-delay:0.05s; }
  .reveal-stagger.is-visible > *:nth-child(2){ transition-delay:0.15s; }
  .reveal-stagger.is-visible > *:nth-child(3){ transition-delay:0.25s; }
  .reveal-stagger.is-visible > *:nth-child(4){ transition-delay:0.35s; }
  
  /* ============================================
     STATS STRIP — count-up on scroll
     ============================================ */
  .stats{
    padding:70px 0;
    border-bottom:1px solid var(--shark-grey);
    background:var(--charcoal);
  }
  .stats-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:24px;
  }
  .stat-num{
    font-family:var(--font-display);
    font-size:clamp(34px, 4.5vw, 52px);
    color:var(--bone);
    line-height:1;
  }
  .stat-label{
    margin-top:10px;
    font-family:var(--font-mono);
    font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--fin-grey);
  }
  
  /* ============================================
     SECTION HEADS (shared)
     ============================================ */
  .section{ padding:120px 0; border-bottom:1px solid var(--shark-grey); }
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:24px; margin-bottom:56px; flex-wrap:wrap;
  }
  .section-tag{
    font-family:var(--font-mono); font-size:12px; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--blood); margin-bottom:14px;
    display:flex; align-items:center; gap:8px; font-weight:600;
  }
  .section-tag::before{ content:""; width:7px; height:7px; background:var(--acid); display:inline-block; }
  .section-title{
    font-family:var(--font-display); text-transform:uppercase;
    font-size:clamp(30px, 4.2vw, 52px); line-height:1;
  }
  .section-note{
    font-family:var(--font-mono); font-size:13px; color:var(--fin-grey);
    max-width:300px; line-height:1.6;
  }
  
  /* ============================================
     GALLERY — single-row, seamless infinite marquee
     ============================================ */
  .marquee-section{ padding:110px 0; border-bottom:1px solid var(--shark-grey); }
  .marquee-section .wrap{ margin-bottom:48px; }
  .marquee-viewport{
    width:100%; overflow:hidden; position:relative;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  }
  .marquee-track{
    display:flex; width:max-content; gap:18px;
    animation: marquee-scroll var(--marquee-duration) linear infinite;
  }
  .marquee-viewport:hover .marquee-track{ animation-play-state:paused; }
  @keyframes marquee-scroll{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
  
  .marquee-card{
    flex:0 0 auto; width:230px; height:290px;
    border:1px solid var(--shark-grey);
    border-radius:14px;
    overflow:hidden;
    position:relative;
    transition:transform 0.35s ease;
  }
  .marquee-card:hover{ transform:translateY(-6px); }
  .marquee-card .ph{ width:100%; height:100%; }
  .marquee-card .tag{
    position:absolute; top:12px; left:12px;
    font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.05em; text-transform:uppercase;
    background:rgba(255,255,255,0.9);
    border:1px solid var(--acid); color:var(--fin-grey);
    padding:4px 8px; border-radius:100px;
  }
  
  /* ============================================
     COLLECTION — alternating feature rows + tilt
     ============================================ */
  .feature-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:center;
    padding:64px 0;
    border-bottom:1px solid var(--shark-grey);
  }
  .feature-row:last-child{ border-bottom:none; padding-bottom:0; }
  .feature-row:first-child{ padding-top:0; }
  .feature-row.flip .tilt-wrap{ order:2; }
  .feature-row.flip .feature-text{ order:1; }
  
  .tilt-wrap{ perspective:900px; }
  .tilt-card{
    aspect-ratio:4/3;
    border-radius:18px;
    overflow:hidden;
    border:1px solid var(--shark-grey);
    transition:transform 0.15s ease-out, box-shadow 0.3s ease;
    will-change:transform;
  }
  .tilt-card .ph{ width:100%; height:100%; }
  .tilt-card:hover{ box-shadow:0 30px 60px -20px rgba(176,137,104,0.16); }
  
  .feature-num{
    font-family:var(--font-mono); font-size:12px; color:var(--blood);
    letter-spacing:0.1em; margin-bottom:14px; display:block; font-weight:600;
  }
  .feature-text h3{
    font-family:var(--font-display); text-transform:uppercase;
    font-size:clamp(28px, 3.4vw, 40px);
    margin-bottom:14px; line-height:1.02;
  }
  .feature-text p{
    color:var(--fin-grey); font-size:14.5px; line-height:1.7; max-width:400px; margin-bottom:22px;
  }
  .feature-meta{
    display:flex; align-items:center; gap:18px;
    font-family:var(--font-mono); font-size:13px;
  }
  .feature-price{ color:var(--bone); font-weight:700; }
  .feature-spec{ color:var(--fin-grey); }
  
  /* ============================================
     PROCESS — vertical timeline, alternating sides
     ============================================ */
  .timeline{ position:relative; padding-top:20px; }
  .timeline::before{
    content:"";
    position:absolute; left:50%; top:0; bottom:0;
    width:1px; background:var(--shark-grey);
    transform:translateX(-50%);
  }
  .timeline-item{
    display:grid; grid-template-columns:1fr 60px 1fr;
    align-items:center; gap:0; margin-bottom:64px;
  }
  .timeline-item:last-child{ margin-bottom:0; }
  .timeline-dot{
    width:14px; height:14px; border-radius:50%;
    background:var(--ink); border:2px solid var(--bone);
    justify-self:center; position:relative; z-index:2;
  }
  .timeline-content{ padding:0 40px; }
  .timeline-item:nth-child(odd) .timeline-content:first-of-type{ text-align:right; }
  .timeline-num{
    font-family:var(--font-mono); font-size:12px; color:var(--blood);
    letter-spacing:0.1em; display:block; margin-bottom:8px; font-weight:600;
  }
  .timeline-content h3{
    font-family:var(--font-display); text-transform:uppercase; font-size:24px; margin-bottom:8px;
  }
  .timeline-content p{ color:var(--fin-grey); font-size:14px; line-height:1.6; }
  
  /* ============================================
     CTA / NEWSLETTER
     ============================================ */
  .cta-band{ padding:110px 0; text-align:center; border-bottom:1px solid var(--shark-grey); }
  .cta-band h2{
    font-family:var(--font-display); text-transform:uppercase;
    font-size:clamp(32px, 5.6vw, 62px); line-height:1; margin-bottom:30px;
  }
  .cta-band h2 .outline{ -webkit-text-stroke:2px var(--bone); color:transparent; }
  .cta-form{ display:flex; justify-content:center; gap:12px; max-width:440px; margin:0 auto; flex-wrap:wrap; }
  .cta-form input{
    flex:1; min-width:220px;
    background:var(--charcoal); border:1px solid var(--shark-grey); color:var(--bone);
    padding:15px 18px; border-radius:100px;
    font-family:var(--font-mono); font-size:13px;
  }
  .cta-form input:focus{ outline:none; border-color:var(--primary); }
  .cta-form input::placeholder{ color:var(--fin-grey); }
  
  /* ============================================
     FOOTER — minimal single row
     ============================================ */
  footer{ padding:36px 0; position:relative; z-index:2; }
  .footer-row{
    display:flex; align-items:center; justify-content:space-between;
    flex-wrap:wrap; gap:20px;
  }
  .footer-links{ display:flex; gap:28px; flex-wrap:wrap; }
  .footer-links a{
    font-family:var(--font-mono); font-size:12px; color:var(--fin-grey);
    text-transform:uppercase; letter-spacing:0.05em;
    transition:color 0.2s ease;
  }
  .footer-links a:hover{ color:var(--bone); }
  .footer-copy{
    font-family:var(--font-mono); font-size:11px; color:var(--fin-grey);
  }
  
  /* ============================================
     RESPONSIVE
     ============================================ */
  @media (max-width:960px){
    .stats-grid{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
    .feature-row{ grid-template-columns:1fr; gap:28px; }
    .feature-row.flip .tilt-wrap{ order:1; }
    .feature-row.flip .feature-text{ order:2; }
    .timeline-item{ grid-template-columns:40px 1fr; }
    .timeline::before{ left:20px; }
    .timeline-dot{ justify-self:start; }
    .timeline-content{ padding:0 0 0 20px; text-align:left !important; grid-column:2; }
    .timeline-content.spacer{ display:none; }
  }
  @media (max-width:720px){
    nav.links{ display:none; }
    .social-icons{ display:none; }
    .nav-cta{ display:none; } /* removed on mobile so the full brand name always has room */
    .menu-toggle{ display:flex; flex-shrink:0; }
    .brand{ min-width:0; }
    header .logo span{ white-space:nowrap; }
    .hero{ padding:150px 0 70px; }
    .section{ padding:80px 0; }
    .marquee-section{ padding:80px 0; }
    .stats{ padding:50px 0; }
    .footer-row{ flex-direction:column; align-items:flex-start; }
  
    /* dropdowns become tap-to-expand inline panels on mobile */
    nav.links .nav-item{ width:100%; }
    nav.links .nav-link{ width:100%; justify-content:space-between; }
    .dropdown{
      position:static;
      opacity:1; visibility:visible; pointer-events:auto; transform:none;
      border:none; box-shadow:none; border-radius:0;
      padding:4px 0 10px 14px;
      display:none;
      background:none;
    }
    .nav-item.open .dropdown{ display:flex; }
    .dropdown-list-2col{ grid-template-columns:1fr; min-width:0; }
    .dropdown-preview{ display:none; }
    .nav-item .chevron{ transition:transform 0.25s ease; }
    .nav-item.open .chevron{ transform:rotate(180deg); }
  }
  @media (max-width:400px){
    .nav{ padding:14px 18px; gap:8px; }
  }
  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
  }
  
  /* ============================================
     CUSTOM PRODUCTS PAGE — additional styles
     ============================================ */
  
  /* ---- intro strip (reused pattern) ---- */
  .intro-strip{ padding:70px 0; border-bottom:1px solid var(--border, var(--shark-grey)); }
  .intro-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:32px; }
  .intro-card{
    padding:28px; background:var(--card); border:1px solid var(--shark-grey); border-radius:16px;
    transition:transform 0.3s ease, box-shadow 0.3s ease;
  }
  .intro-card:hover{ transform:translateY(-6px); box-shadow:0 24px 48px -20px rgba(176,137,104,0.25); }
  .intro-icon{ width:38px; height:38px; margin-bottom:18px; color:var(--bone); }
  .intro-card h4{ font-family:var(--font-display); text-transform:uppercase; font-size:18px; margin-bottom:8px; }
  .intro-card p{ font-size:13.5px; color:var(--fin-grey); line-height:1.6; }
  
  /* ---- category tab filter ---- */
  .tab-group{
    display:flex; gap:10px; flex-wrap:wrap;
    margin-bottom:44px;
  }
  .tab-btn{
    padding:11px 22px; border:1px solid var(--shark-grey); border-radius:100px;
    font-family:var(--font-mono); font-size:12.5px; text-transform:uppercase; letter-spacing:0.04em;
    cursor:pointer; background:var(--card); color:var(--bone);
    transition:background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  }
  .tab-btn:hover{ border-color:var(--bone); transform:translateY(-1px); }
  .tab-btn.active{ background:var(--primary); border-color:var(--primary); color:#000; }
  
  /* ---- product flip cards ---- */
  .products-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:24px;
  }
  .product-card{ perspective:1400px; height:300px; transition:opacity 0.35s ease, transform 0.35s ease; }
  .product-card.is-hidden{ display:none; }
  .product-card-inner{
    position:relative; width:100%; height:100%;
    transition:transform 0.65s cubic-bezier(.4,.2,.2,1);
    transform-style:preserve-3d;
  }
  .product-card:hover .product-card-inner{ transform:rotateY(180deg); }
  .product-front, .product-back{
    position:absolute; inset:0;
    backface-visibility:hidden;
    border-radius:16px;
    border:1px solid var(--shark-grey);
    overflow:hidden;
  }
  .product-front{ display:flex; flex-direction:column; background:var(--card); }
  .product-front .ph{ flex:1; }
  .product-front .product-name{
    padding:14px 16px;
    display:flex; flex-direction:column; gap:2px;
  }
  .product-front .product-name strong{ font-family:var(--font-display); text-transform:uppercase; font-size:15px; }
  .product-front .product-name span{ font-family:var(--font-mono); font-size:10.5px; color:var(--fin-grey); text-transform:uppercase; letter-spacing:0.04em; }
  .product-back{
    transform:rotateY(180deg);
    background:var(--primary);
    color:#000;
    padding:24px;
    display:flex; flex-direction:column; justify-content:center;
  }
  .product-back h4{ font-family:var(--font-display); text-transform:uppercase; font-size:18px; margin-bottom:8px; }
  .product-back p{ font-size:12.5px; line-height:1.6; opacity:0.85; margin-bottom:14px; }
  .product-back .product-price{ font-family:var(--font-mono); font-size:13px; font-weight:700; }
  .product-back .product-tag{ font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; opacity:0.7; margin-top:4px; letter-spacing:0.04em; }
  
  /* ---- materials comparison table ---- */
  .table-wrap{ overflow-x:auto; border:1px solid var(--shark-grey); border-radius:16px; }
  .compare-table{ width:100%; border-collapse:collapse; font-family:var(--font-mono); font-size:13px; min-width:640px; }
  .compare-table th, .compare-table td{ padding:16px 20px; border-bottom:1px solid var(--shark-grey); text-align:left; }
  .compare-table thead th{
    text-transform:uppercase; font-size:11px; letter-spacing:0.05em; color:var(--fin-grey);
    font-weight:600; background:var(--charcoal);
  }
  .compare-table tbody tr{ transition:background 0.2s ease; }
  .compare-table tbody tr:last-child td{ border-bottom:none; }
  .compare-table tbody tr:hover{ background:var(--charcoal); }
  .compare-table td.type-cell{ font-family:var(--font-display); text-transform:uppercase; font-size:13.5px; letter-spacing:0.02em; }
  .star-rating{ display:inline-flex; gap:3px; }
  .star-rating span{
    width:14px; height:14px; display:inline-block;
    background-color:var(--shark-grey);
    -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.5l2.95 6.53 7.05.8-5.3 4.83L18.1 21.5 12 17.9l-6.1 3.6 1.4-6.84-5.3-4.83 7.05-.8L12 2.5z'/%3E%3C/svg%3E");
    mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.5l2.95 6.53 7.05.8-5.3 4.83L18.1 21.5 12 17.9l-6.1 3.6 1.4-6.84-5.3-4.83 7.05-.8L12 2.5z'/%3E%3C/svg%3E");
    -webkit-mask-size:contain; mask-size:contain;
    -webkit-mask-repeat:no-repeat; mask-repeat:no-repeat;
  }
  .star-rating span.filled{ background-color:var(--bone); }
  
  /* ---- testimonial carousel (reused pattern) ---- */
  .testimonial-carousel{ position:relative; max-width:760px; margin:0 auto; text-align:center; }
  .testimonial-track{ position:relative; min-height:170px; }
  .testimonial-slide{
    position:absolute; inset:0;
    opacity:0; transform:translateX(24px);
    transition:opacity 0.5s ease, transform 0.5s ease;
    pointer-events:none;
  }
  .testimonial-slide.active{ opacity:1; transform:translateX(0); pointer-events:auto; }
  .testimonial-quote{
    font-family:var(--font-display); text-transform:none;
    font-size:clamp(19px, 2.6vw, 27px); line-height:1.4; margin-bottom:22px;
  }
  .testimonial-author{
    font-family:var(--font-mono); font-size:12px; color:var(--fin-grey);
    text-transform:uppercase; letter-spacing:0.06em;
  }
  .carousel-nav{ display:flex; justify-content:center; align-items:center; gap:22px; margin-top:38px; }
  .carousel-arrow{
    width:38px; height:38px; border-radius:50%; border:1px solid var(--shark-grey);
    display:flex; align-items:center; justify-content:center; cursor:pointer;
    transition:all 0.2s ease; background:none; color:var(--bone);
  }
  .carousel-arrow svg{ width:14px; height:14px; }
  .carousel-arrow:hover{ border-color:var(--primary); background:var(--primary); color:#000; }
  .carousel-dots{ display:flex; gap:8px; }
  .carousel-dot{ width:7px; height:7px; border-radius:50%; background:var(--shark-grey); cursor:pointer; transition:all 0.25s ease; border:none; padding:0; }
  .carousel-dot.active{ width:22px; border-radius:100px; background:var(--primary); }
  
  /* ---- FAQ accordion (reused pattern) ---- */
  .faq-list{ max-width:760px; }
  .faq-item{ border-bottom:1px solid var(--shark-grey); }
  .faq-question{
    display:flex; justify-content:space-between; align-items:center; gap:20px;
    padding:24px 4px; cursor:pointer;
    font-family:var(--font-display); text-transform:uppercase; font-size:16px;
  }
  .faq-plus{ width:16px; height:16px; position:relative; flex:0 0 auto; }
  .faq-plus::before, .faq-plus::after{
    content:""; position:absolute; background:var(--bone); transition:transform 0.3s ease, opacity 0.3s ease;
  }
  .faq-plus::before{ width:100%; height:2px; top:50%; left:0; transform:translateY(-50%); }
  .faq-plus::after{ width:2px; height:100%; left:50%; top:0; transform:translateX(-50%); }
  .faq-item.open .faq-plus::after{ transform:translateX(-50%) rotate(90deg); opacity:0; }
  .faq-answer{ max-height:0; overflow:hidden; transition:max-height 0.35s ease; }
  .faq-answer p{ padding:0 4px 24px; color:var(--fin-grey); font-size:14px; line-height:1.75; max-width:640px; }
  
  /* ---- responsive ---- */
  @media (max-width:960px){
    .intro-grid{ grid-template-columns:1fr; }
    .products-grid{ grid-template-columns:repeat(2,1fr); }
  }
  @media (max-width:600px){
    .products-grid{ grid-template-columns:1fr; }
    .tab-group{ gap:8px; }
    .tab-btn{ padding:9px 16px; font-size:11.5px; }
  }