:root{
    --navy-950:#050505;
    --navy-900:#c60018;
    --navy-800:#9c0013;
    --navy-700:#e53935;
    --navy-600:#ef5350;
    --white:#ffffff;
    --steel-050:#f7f8f9;
    --steel-100:#eef0f2;
    --steel-200:#dde1e5;
    --steel-400:#b7bec5;
    --steel-600:#828b94;
    --steel-800:#4c545d;
    --ink:#18181a;
    --body-c:#45484d;
    --muted:#6b6f76;
    --surface-dark:#0a0a0a;
    --surface-dark-2:#131313;
    --hairline-dark:rgba(255,255,255,0.1);
    --hairline-dark-strong:rgba(255,255,255,0.18);
    --text-dark-body:rgba(255,255,255,0.78);
    --text-dark-muted:rgba(255,255,255,0.55);
    --sp-xxs:4px; --sp-xs:8px; --sp-sm:12px; --sp-md:20px; --sp-lg:32px; --sp-xl:56px; --sp-xxl:96px; --sp-section:140px;
    --max-w:1360px;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  .reveal{opacity:0; transform:translateY(28px); transition:opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);}
  .reveal.revealed{opacity:1; transform:translateY(0);}
  .reveal-stagger > *{opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease;}
  .reveal-stagger.revealed > *{opacity:1; transform:translateY(0);}
  .reveal-stagger.revealed > *:nth-child(1){transition-delay:0s;}
  .reveal-stagger.revealed > *:nth-child(2){transition-delay:0.08s;}
  .reveal-stagger.revealed > *:nth-child(3){transition-delay:0.16s;}
  .reveal-stagger.revealed > *:nth-child(4){transition-delay:0.24s;}
  .reveal-stagger.revealed > *:nth-child(5){transition-delay:0.32s;}
  .reveal-stagger.revealed > *:nth-child(6){transition-delay:0.4s;}
  .reveal-stagger.revealed > *:nth-child(7){transition-delay:0.48s;}
  @media (prefers-reduced-motion: reduce){
    .reveal, .reveal-stagger > *{opacity:1 !important; transform:none !important; transition:none !important;}
  }
  html{scroll-behavior:smooth;}
  body{
    font-family:'Prompt',system-ui,-apple-system,sans-serif;
    font-weight:300;
    color:var(--body-c);
    background:var(--white);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit; text-decoration:none;}
  img{display:block; max-width:100%;}
  .wrap{max-width:var(--max-w); margin:0 auto; padding:0 var(--sp-lg);}
  section{position:relative;}
  .section-watermark{
    position:absolute; width:34%; max-width:400px; opacity:0.04; pointer-events:none; z-index:-1;
  }
  .section-watermark.pos-tr{top:-4%; right:-4%;}
  .section-watermark.pos-bl{bottom:-4%; left:-4%;}
  .section-watermark.pos-br{bottom:-4%; right:-4%;}
  .section-watermark.pos-tl{top:-4%; left:-4%;}


  ::selection{background:var(--navy-800); color:var(--white);}

  /* ---------------- utility type ---------------- */
  .eyebrow{
    font-size:12px; font-weight:600; letter-spacing:0.22em; text-transform:uppercase;
    color:var(--navy-700); margin-bottom:var(--sp-md);
    display:flex; align-items:center; gap:10px;
  }
  .eyebrow::before{content:''; width:28px; height:1px; background:var(--navy-700);}
  .eyebrow.on-dark{color:rgba(255,255,255,0.78);}
  .eyebrow.on-dark::before{background:rgba(255,255,255,0.78);}

  h1,h2,h3{
    font-weight:700; color:var(--ink); letter-spacing:-0.01em; line-height:1.12;
  }
  .h-xl{font-size:clamp(30px,3.6vw,50px); font-weight:800; text-transform:uppercase; letter-spacing:0;}
  .h-lg{font-size:clamp(28px,3.4vw,44px); font-weight:700;}
  .h-md{font-size:clamp(22px,2.4vw,30px); font-weight:700;}
  .lede{font-size:clamp(16px,1.6vw,19px); font-weight:300; color:var(--muted); max-width:560px;}

  /* ---------------- buttons ---------------- */
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    height:56px; padding:0 34px;
    font-size:14px; font-weight:600; letter-spacing:0.04em;
    border:1px solid transparent; cursor:pointer; white-space:nowrap;
    border-radius:6px; transition:all 0.3s ease;
    position:relative; overflow:hidden;
  }
  .btn-primary{background:var(--navy-900); color:var(--white);}
  .btn-primary:hover{background:var(--navy-800); box-shadow:0 0 0 1px var(--navy-700), 0 8px 24px rgba(198,0,24,0.45); transform:translateY(-1px);}
  .btn-ghost{background:transparent; color:var(--white); border-color:rgba(255,255,255,0.4);}
  .btn-ghost:hover{border-color:var(--navy-700); background:rgba(229,57,53,0.08); box-shadow:0 0 20px rgba(229,57,53,0.25);}
  .btn-ghost-dark{background:transparent; color:var(--ink); border-color:var(--steel-400);}
  .btn-ghost-dark:hover{border-color:var(--ink);}
  .btn-arrow{transition:transform .25s ease;}
  .btn:hover .btn-arrow{transform:translateX(4px);}

  /* ---------------- nav ---------------- */
  .nav{
    position:fixed; top:0; left:0; right:0; z-index:100;
    display:flex; align-items:center; justify-content:space-between;
    padding:0 0 0 var(--sp-lg);
    transition:all .3s ease;
    background:var(--navy-950);
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .nav.scrolled{
    box-shadow:0 2px 20px rgba(0,0,0,0.35);
  }
  .nav-inner{display:flex; align-items:center; gap:34px; padding:16px 0; flex:1;}
  .nav-logo{display:flex; flex-direction:row; align-items:center; gap:10px; color:var(--white);}
  .nav-mark{width:34px; height:34px; object-fit:contain; flex-shrink:0;}
  .nav-logo .l1{font-size:16px; font-weight:700; letter-spacing:0.04em;}
  .nav-logo .l2{font-size:9px; font-weight:500; letter-spacing:0.3em; color:rgba(255,255,255,0.55); margin-top:1px;}
  .nav-links{display:flex; align-items:center; gap:30px; margin-left:var(--sp-md);}
  .nav-links a{
    position:relative;
    font-size:13px; font-weight:400; letter-spacing:0.01em; color:rgba(255,255,255,0.75);
    padding-bottom:4px; transition:color 0.3s ease;
  }
  .nav-links a::after{
    content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
    background:var(--navy-700); transform:scaleX(0); transform-origin:left;
    transition:transform 0.3s ease;
  }
  .nav-links a:hover, .nav-links a.active{color:var(--white);}
  .nav-links a:hover::after, .nav-links a.active::after{transform:scaleX(1);}
  .nav-contact{
    display:flex; align-items:center; gap:12px; background:var(--navy-900);
    padding:16px var(--sp-lg); height:100%; flex-shrink:0; transition:background 0.3s ease;
  }
  .nav-contact:hover{background:var(--navy-800);}
  .nav-contact-icon{width:20px; height:20px; color:var(--white); flex-shrink:0;}
  .nav-contact-phone{font-size:15px; font-weight:700; color:var(--white); line-height:1.3;}
  .nav-contact-label{font-size:11px; font-weight:300; color:rgba(255,255,255,0.8); line-height:1.3;}
  .nav-cta{
    height:44px; padding:0 24px; font-size:12px; font-weight:600; letter-spacing:0.04em;
    background:var(--navy-900); color:var(--white); display:inline-flex; align-items:center;
    border-radius:6px; transition:all 0.3s ease;
  }
  .nav-cta:hover{background:var(--navy-800); box-shadow:0 0 20px rgba(198,0,24,0.4);}
  .nav-burger{
    display:none; width:44px; height:44px; border:none; background:transparent; cursor:pointer;
    align-items:center; justify-content:center; color:var(--white); margin-right:var(--sp-sm);
    position:relative; z-index:101;
  }
  .burger-lines{position:relative; width:22px; height:16px; display:block;}
  .burger-lines span{
    position:absolute; left:0; width:100%; height:2px; background:currentColor;
    border-radius:2px; transition:transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
  }
  .burger-lines span:nth-child(1){top:0;}
  .burger-lines span:nth-child(2){top:7px;}
  .burger-lines span:nth-child(3){top:14px;}
  .nav-burger.open .burger-lines span:nth-child(1){top:7px; transform:rotate(45deg);}
  .nav-burger.open .burger-lines span:nth-child(2){opacity:0;}
  .nav-burger.open .burger-lines span:nth-child(3){top:7px; transform:rotate(-45deg);}
  .mobile-menu{
    display:flex; position:fixed; inset:0; z-index:99; background:var(--navy-950);
    padding:100px var(--sp-lg) var(--sp-lg); flex-direction:column; gap:2px;
    transform:translateX(100%); opacity:0; visibility:hidden; pointer-events:none;
    transition:transform 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease, visibility 0s linear 0.35s;
  }
  .mobile-menu.open{
    transform:translateX(0); opacity:1; visibility:visible; pointer-events:auto;
    transition:transform 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease, visibility 0s;
  }
  .mobile-menu a{
    padding:18px 4px; font-size:17px; font-weight:500; color:var(--white); border-bottom:1px solid rgba(255,255,255,0.1);
    min-height:44px; display:flex; align-items:center; transition:color 0.2s ease, padding-left 0.2s ease;
  }
  .mobile-menu a:active{color:var(--navy-700); padding-left:8px;}
  .mobile-menu .nav-cta{margin-top:var(--sp-lg); justify-content:center; min-height:52px;}

  /* ---------------- hero ---------------- */
  .hero{
    position:relative;
    padding:150px 0 0;
    overflow:hidden;
    background:var(--navy-950);
  }
  .hero-photo-collage{
    position:absolute; top:0; right:0; bottom:0; width:58%;
    overflow:hidden; background:var(--navy-950);
    z-index:0;
  }
  .hero-photo-collage video{
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  }
  .hero-photo-collage::before{
    content:''; position:absolute; inset:0; z-index:1;
    background:linear-gradient(90deg, var(--navy-950) 0%, rgba(5,5,5,0.9) 20%, rgba(5,5,5,0.4) 46%, transparent 66%);
  }
  .hero-photo-collage::after{
    content:''; position:absolute; inset:0; z-index:1;
    background:linear-gradient(0deg, var(--navy-950) 0%, transparent 18%, transparent 80%, rgba(5,5,5,0.55) 100%);
  }
  .hero-mark-bg{
    position:absolute; right:-8%; top:-6%;
    width:40%; max-width:480px; opacity:0.06; pointer-events:none; z-index:1;
  }
  .hero-content{position:relative; z-index:2; max-width:660px;}
  .hero-headline{color:var(--white);}
  .hero-headline .accent{color:var(--navy-700);}
  .hero-sub{color:rgba(255,255,255,0.82); margin-top:var(--sp-md); font-size:17px; font-weight:300;}
  .hero-sub .accent{color:var(--navy-700); font-weight:600;}
  .hero-actions{display:flex; gap:16px; margin-top:var(--sp-xl); flex-wrap:wrap;}

  /* icon trust row — sits inside the dark hero */
  .trust-row{
    position:relative; z-index:2; margin-top:var(--sp-xxl);
    padding:var(--sp-lg) 0 var(--sp-xxl); border-top:1px solid rgba(255,255,255,0.14);
  }
  .trust-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:var(--sp-md);}
  .trust-item{
    display:flex; flex-direction:column; align-items:flex-start; text-align:left; gap:10px;
  }
  .trust-icon{width:28px; height:28px; color:var(--navy-700);}
  .trust-label{font-size:13px; font-weight:400; color:rgba(255,255,255,0.85); line-height:1.4;}

  /* stats bar — dark full-width band with bold figures */
  .stats-bar{background:var(--navy-950); padding:var(--sp-xl) 0; position:relative; overflow:hidden;}
  .stats-bar::before{
    content:''; position:absolute; inset:0;
    background:radial-gradient(60% 80% at 15% 0%, rgba(198,0,24,0.22), transparent 55%);
  }
  .stats-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:var(--sp-md); position:relative; z-index:1;}
  .stat-item{display:flex; flex-direction:column; align-items:flex-start; gap:8px;}
  .stat-icon{width:26px; height:26px; color:var(--navy-700);}
  .stat-figure{font-size:28px; font-weight:700; color:var(--white); letter-spacing:-0.01em;}
  .stat-caption{font-size:12.5px; font-weight:300; color:rgba(255,255,255,0.65); line-height:1.4;}

  /* seam divider — signature element */
  .seam{
    height:2px; width:100%;
    background:linear-gradient(90deg, transparent 0%, var(--steel-400) 15%, var(--navy-900) 50%, var(--steel-400) 85%, transparent 100%);
    opacity:0.9;
  }
  .seam-dark{background:linear-gradient(90deg, transparent 0%, var(--navy-700) 15%, var(--steel-600) 50%, var(--navy-700) 85%, transparent 100%);}

  /* ---------------- prominent location/map section ---------------- */
  .location-quick{padding:var(--sp-section) 0; background:var(--surface-dark); overflow:hidden;}
  .location-grid{display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-xxl); align-items:center;}
  .location-address{font-style:normal; font-size:15px; color:var(--text-dark-body); margin-top:var(--sp-md); line-height:1.7;}
  .location-actions{display:flex; gap:14px; margin-top:var(--sp-xl); flex-wrap:wrap;}
  .location-map-frame{ aspect-ratio:4/3; }
  .location-map-frame iframe{width:100%; height:100%; display:block; filter:grayscale(0.25) contrast(1.08) brightness(0.9);}
  @media (max-width:1024px){
    .location-grid{grid-template-columns:1fr; gap:var(--sp-xl);}
    .location-map-frame{order:-1;}
  }
  @media (max-width:640px){
    .location-actions .btn{width:100%; justify-content:center;}
  }

  /* ---------------- about ---------------- */
  .about{padding:var(--sp-section) 0; background:var(--surface-dark); overflow:hidden;}
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-xxl); align-items:center; position:relative;}
  .about-bg-photo{
    position:absolute; left:-6%; top:-10%; width:56%; height:120%;
    background:url('assets/hero-collage.jpg') center 20%/cover no-repeat;
    opacity:0.1; z-index:0;
    mask-image:linear-gradient(90deg, black 0%, black 40%, transparent 85%);
    -webkit-mask-image:linear-gradient(90deg, black 0%, black 40%, transparent 85%);
  }
  .about-copy{position:relative; z-index:1;}
  .about .h-lg{color:var(--white);}
  .about-copy p{margin-top:var(--sp-md); font-size:16px; color:var(--text-dark-body); max-width:520px;}
  .about-stats{
    display:grid; grid-template-columns:repeat(3,1fr);
    border:1px solid var(--hairline-dark); margin-top:var(--sp-xl); background:var(--surface-dark-2);
  }
  .stat-cell{padding:var(--sp-lg) var(--sp-md); position:relative; display:flex; flex-direction:column; gap:10px;}
  .stat-cell:not(:last-child)::after{
    content:''; position:absolute; right:0; top:18%; bottom:18%; width:1px; background:var(--hairline-dark);
  }
  .stat-icon{width:26px; height:26px; color:var(--navy-700);}
  .stat-num{font-size:28px; font-weight:700; color:var(--white); letter-spacing:-0.02em;}
  .stat-label{font-size:12px; color:var(--text-dark-muted); margin-top:0; letter-spacing:0.02em;}
  .about-panel{
    aspect-ratio:4/5; position:relative; overflow:hidden; z-index:1;
    background:
      radial-gradient(60% 50% at 68% 38%, rgba(198,0,24,0.25), transparent 70%),
      radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
      linear-gradient(155deg, #0a0a0b 0%, #131110 100%);
    background-size:auto, 16px 16px, auto;
    display:flex; align-items:center; justify-content:center;
    clip-path:polygon(32px 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%, 0 32px);
    border:1px solid var(--navy-700);
  }
  .about-panel-video{
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
    mix-blend-mode:screen; z-index:1; opacity:0.95;
  }
  .about-panel::after{
    content:'GRADE 304'; position:absolute; bottom:var(--sp-lg); left:var(--sp-lg);
    font-size:13px; letter-spacing:0.18em; color:var(--white); font-weight:700;
    z-index:2; line-height:1.6;
  }
  .about-panel-caption-sub{
    position:absolute; bottom:calc(var(--sp-lg) - 22px); left:var(--sp-lg);
    font-size:10px; letter-spacing:0.22em; color:var(--text-dark-muted); font-weight:400; z-index:2;
  }
  .about-mark{display:none;}

  /* ---------------- premium framed media (shared motif) ---------------- */
  /* corner-cut border + bottom-left caption tag, reused across video/map/photo
     frames so the whole site shares one distinctive "industrial premium" signature */
  .premium-frame{
    position:relative; overflow:hidden;
    clip-path:polygon(28px 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%, 0 28px);
    border:1px solid var(--navy-700);
    box-shadow:0 24px 60px rgba(0,0,0,0.45);
    background:var(--navy-950);
  }
  .premium-frame-tag{
    position:absolute; z-index:3; left:var(--sp-lg); bottom:var(--sp-lg);
    font-size:12px; letter-spacing:0.16em; text-transform:uppercase; font-weight:700; color:var(--white);
    display:flex; align-items:center; gap:10px; pointer-events:none;
  }
  .premium-frame-tag::before{content:''; width:20px; height:1px; background:var(--navy-700); flex-shrink:0;}
  .premium-frame-tag-sub{
    position:absolute; z-index:3; left:var(--sp-lg); bottom:calc(var(--sp-lg) - 20px);
    font-size:10px; letter-spacing:0.2em; color:var(--text-dark-muted); font-weight:400; pointer-events:none;
  }
  .premium-frame-corner{
    position:absolute; top:0; right:0; width:44px; height:44px; z-index:3; pointer-events:none;
    border-top:2px solid var(--navy-700); border-right:2px solid var(--navy-700);
    opacity:0.85;
  }

  /* ---------------- portfolio ---------------- */
  .portfolio{padding:var(--sp-section) 0; background:var(--surface-dark);}
  .portfolio .h-lg{color:var(--white);}
  .section-head-row{display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:var(--sp-xl); gap:var(--sp-lg); flex-wrap:wrap;}
  .port-grid{
    display:grid; grid-template-columns:1.4fr 1fr; grid-template-rows:auto auto; gap:var(--sp-md);
  }
  .port-item{
    position:relative; overflow:hidden; background:var(--navy-900); color:var(--white);
    aspect-ratio:4/3;
  }
  .port-item.tall{aspect-ratio:auto; grid-row:span 2;}
  .port-item .plate{
    position:absolute; inset:0;
    background-size:cover; background-position:center;
    transition:transform .5s ease;
  }
  .port-item:hover .plate{transform:scale(1.04);}
  .port-item .plate::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(0deg, rgba(5,5,5,0.92) 0%, rgba(5,5,5,0.35) 45%, rgba(5,5,5,0.05) 75%);
  }
  .port-caption{
    position:absolute; left:var(--sp-md); bottom:var(--sp-md); right:var(--sp-md);
    display:flex; justify-content:space-between; align-items:flex-end; z-index:2;
  }
  .port-tag{font-size:11px; letter-spacing:0.15em; text-transform:uppercase; opacity:0.75; margin-bottom:6px;}
  .port-title{font-size:19px; font-weight:600; letter-spacing:-0.01em;}
  .port-desc{font-size:12.5px; font-weight:300; opacity:0.7; margin-top:4px;}
  .port-num{font-size:12px; opacity:0.6; font-weight:500;}

  /* ---------------- products ---------------- */
  /* ---------------- featured products (real photography) ---------------- */
  .featured-products{padding:var(--sp-section) 0; background:var(--surface-dark);}
  .featured-products .h-lg{color:var(--white);}
  .fp-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-md); margin-top:var(--sp-xl);}
  .fp-card{
    border:1px solid var(--hairline-dark); background:var(--surface-dark-2); display:flex; flex-direction:column;
    border-radius:10px; overflow:hidden; position:relative;
    transition:box-shadow 0.3s ease, transform 0.3s ease;
  }
  .fp-card::before{
    content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--navy-900);
    transform:scaleX(0); transform-origin:left; transition:transform 0.3s ease; z-index:3;
  }
  .fp-card:hover{transform:translateY(-4px); box-shadow:0 16px 40px rgba(0,0,0,0.45);}
  .fp-card:hover::before{transform:scaleX(1);}
  .fp-photo-wrap{aspect-ratio:4/5; overflow:hidden; background:var(--surface-dark-2); position:relative;}
  .fp-photo-wrap img{width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s ease;}
  .fp-card:hover .fp-photo-wrap img{transform:scale(1.045);}
  .fp-tag{
    position:absolute; top:var(--sp-md); left:var(--sp-md);
    background:var(--navy-900); color:var(--white);
    font-size:11px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase;
    padding:5px 11px; z-index:2;
  }
  .fp-info{padding:var(--sp-lg);}
  .fp-name{font-size:17px; font-weight:600; color:var(--white); margin-bottom:6px; letter-spacing:-0.005em;}
  .fp-desc{font-size:13px; color:var(--text-dark-muted); font-weight:300; line-height:1.6; margin-bottom:var(--sp-md);}
  .fp-link{font-size:12px; font-weight:600; letter-spacing:0.05em; text-transform:uppercase; color:var(--navy-700);}
  .fp-link:hover{color:var(--navy-600);}

  /* ---------------- product spotlight banner ---------------- */
  .spotlight{padding:0 0 var(--sp-section); background:var(--surface-dark);}
  .spotlight-frame{overflow:hidden;}
  .spotlight-frame img{width:100%; display:block;}
  .spotlight-caption{
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:var(--sp-md);
    padding:var(--sp-lg) 0 0;
  }
  .spotlight-caption h3{font-size:20px; font-weight:600; color:var(--white);}
  .spotlight-caption p{font-size:14px; color:var(--text-dark-muted); font-weight:300; margin-top:4px;}

  /* ---------------- product video ---------------- */
  .video-section{padding:0 0 var(--sp-section); background:var(--surface-dark);}
  .video-section .h-lg{color:var(--white);}
  .video-frame{
    position:relative; background:var(--navy-950); overflow:hidden;
    aspect-ratio:16/9;
  }
  .video-frame video{width:100%; height:100%; object-fit:cover; display:block; background:var(--navy-950);}
  .video-badge{
    position:absolute; top:var(--sp-md); left:var(--sp-md); z-index:2;
    background:rgba(5,5,5,0.75); color:var(--white); font-size:11px; font-weight:600;
    letter-spacing:0.1em; text-transform:uppercase; padding:6px 12px;
  }

  /* ---------------- brand video (customers using the product, autoplays on scroll) ---------------- */
  .brand-video{padding:0 0 var(--sp-section); background:var(--surface-dark);}
  .brand-video .h-lg{color:var(--white);}
  .brand-video-frame{
    position:relative; background:var(--navy-950); overflow:hidden;
    aspect-ratio:16/9; max-width:920px; margin:0 auto;
  }
  .brand-video-frame video{width:100%; height:100%; object-fit:cover; display:block; background:var(--navy-950);}
  .brand-video-sound{
    position:absolute; bottom:var(--sp-md); right:var(--sp-md); z-index:3;
    width:40px; height:40px; border-radius:50%; border:1px solid rgba(255,255,255,0.3);
    background:rgba(5,5,5,0.6); color:var(--white); display:flex; align-items:center; justify-content:center;
    cursor:pointer; transition:all .2s ease;
  }
  .brand-video-sound:hover{background:rgba(5,5,5,0.85); border-color:var(--navy-700);}
  .brand-video-sound svg{width:18px; height:18px;}
  .brand-video-sound .icon-on{display:none;}
  .brand-video-sound.unmuted .icon-off{display:none;}
  .brand-video-sound.unmuted .icon-on{display:block;}


  .products{background:var(--surface-dark); padding:var(--sp-section) 0;}
  .products .h-lg{color:var(--white);}
  .prod-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--hairline-dark); border:1px solid var(--hairline-dark); margin-top:var(--sp-xl);}
  .prod-card{
    background:var(--surface-dark-2); transition:box-shadow 0.3s ease, transform 0.3s ease; overflow:hidden;
    position:relative;
  }
  a.prod-card{display:block; color:inherit;}
  .prod-card-link-hint{font-size:11px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase; color:var(--navy-700); margin-top:10px; display:block;}
  .prod-card::before{
    content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--navy-900);
    transform:scaleX(0); transform-origin:left; transition:transform 0.3s ease; z-index:3;
  }
  .prod-card:hover{box-shadow:0 16px 40px rgba(0,0,0,0.45); z-index:2;}
  .prod-card:hover::before{transform:scaleX(1);}
  .prod-photo{aspect-ratio:4/3; overflow:hidden; background:var(--surface-dark-2);}
  .prod-photo img{width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s ease;}
  .prod-card:hover .prod-photo img{transform:scale(1.06);}
  .prod-body{padding:var(--sp-lg);}
  .prod-name{font-size:18px; font-weight:600; color:var(--white); margin-bottom:8px; letter-spacing:-0.01em;}
  .prod-desc{font-size:14px; color:var(--text-dark-muted); font-weight:300;}

  /* ---------------- highlights ---------------- */
  .highlights{padding:var(--sp-section) 0; background:var(--navy-950); color:var(--white); position:relative; overflow:hidden;}
  .highlights::before{
    content:''; position:absolute; inset:0;
    background:radial-gradient(60% 60% at 85% 10%, rgba(198,0,24,0.28), transparent 60%);
  }
  .hl-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:var(--sp-lg); position:relative; z-index:1;}
  .hl-item{padding-top:var(--sp-lg); border-top:1px solid rgba(255,255,255,0.18);}
  .hl-num{font-size:12px; color:var(--steel-400); letter-spacing:0.1em; margin-bottom:var(--sp-md);}
  .hl-title{font-size:16px; font-weight:600; letter-spacing:-0.01em; margin-bottom:8px;}
  .hl-desc{font-size:13px; color:var(--steel-400); font-weight:300; line-height:1.55;}

  /* ---------------- process ---------------- */
  .process{padding:var(--sp-section) 0; background:var(--surface-dark);}
  .process .h-lg{color:var(--white);}
  .proc-track{position:relative; margin-top:var(--sp-xxl);}
  .proc-line{position:absolute; top:23px; left:0; right:0; height:1px; background:var(--hairline-dark);}
  .proc-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:var(--sp-md); position:relative;}
  .proc-step{display:flex; flex-direction:column; gap:var(--sp-md);}
  .proc-mark{
    width:46px; height:46px; border-radius:50%; background:var(--surface-dark); border:1px solid var(--navy-700);
    display:flex; align-items:center; justify-content:center; font-size:14px; font-weight:600; color:var(--white);
    position:relative; z-index:2;
  }
  .proc-title{font-size:16px; font-weight:600; color:var(--white);}
  .proc-desc{font-size:13px; color:var(--text-dark-muted); font-weight:300;}

  /* ---------------- testimonials ---------------- */
  .testi{padding:var(--sp-section) 0; background:var(--surface-dark);}
  .testi .h-lg{color:var(--white);}
  .testi-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-md); margin-top:var(--sp-xl);}
  .testi-card{background:var(--surface-dark-2); padding:var(--sp-xl) var(--sp-lg); border:1px solid var(--hairline-dark); display:flex; flex-direction:column; gap:var(--sp-lg);}
  .quote-mark{font-size:40px; color:var(--navy-700); font-weight:600; line-height:1;}
  .testi-text{font-size:15px; color:var(--text-dark-body); font-weight:300; line-height:1.7;}
  .testi-person{display:flex; align-items:center; gap:12px; margin-top:auto; padding-top:var(--sp-md); border-top:1px solid var(--hairline-dark);}
  .testi-avatar{width:38px; height:38px; background:var(--navy-900); color:var(--white); display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:600;}
  .testi-name{font-size:13px; font-weight:600; color:var(--white);}
  .testi-role{font-size:12px; color:var(--text-dark-muted);}

  /* real customer photo reviews */
  .review-stat-badge{
    background:var(--surface-dark-2); border:1px solid var(--hairline-dark); border-radius:10px;
    padding:var(--sp-md) var(--sp-lg); text-align:center; flex-shrink:0;
  }
  .review-stat-num{font-size:22px; font-weight:700; color:var(--navy-700);}
  .review-stat-label{font-size:11.5px; color:var(--text-dark-muted); margin-top:2px; max-width:140px;}
  .review-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-md); margin-top:var(--sp-xl);}
  .review-card{
    background:var(--surface-dark-2); border:1px solid var(--hairline-dark); border-radius:10px; overflow:hidden;
    display:flex; flex-direction:column; transition:transform .3s ease, box-shadow .3s ease;
  }
  .review-card:hover{transform:translateY(-4px); box-shadow:0 16px 36px rgba(0,0,0,0.4);}
  .review-photo{aspect-ratio:4/3; overflow:hidden; background:var(--navy-950);}
  .review-photo img{width:100%; height:100%; object-fit:cover; display:block;}
  .review-body{padding:var(--sp-md); display:flex; flex-direction:column; gap:8px;}
  .review-head{display:flex; justify-content:space-between; align-items:center;}
  .review-name{font-size:12.5px; font-weight:600; color:var(--white);}
  .review-stars{font-size:11px; color:#c98a0e; letter-spacing:1px;}
  .review-tags{display:flex; gap:6px; flex-wrap:wrap;}
  .review-tags span{font-size:10.5px; color:var(--text-dark-muted); background:rgba(255,255,255,0.05); padding:2px 8px; border-radius:100px;}
  .review-text{font-size:12.5px; color:var(--text-dark-body); font-weight:300; line-height:1.6;}

  .review-chips{display:flex; flex-wrap:wrap; gap:10px; margin-top:var(--sp-xl);}
  .review-chips span{
    font-size:12px; color:var(--text-dark-body); background:var(--surface-dark-2);
    border:1px solid var(--hairline-dark); padding:8px 14px; border-radius:100px;
  }

  .review-why{
    margin-top:var(--sp-xxl); padding:var(--sp-xl); background:var(--surface-dark-2);
    border:1px solid var(--hairline-dark); border-radius:10px;
  }
  .review-why h3{color:var(--white); font-size:18px; margin-bottom:var(--sp-md);}
  .review-why-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px;}
  .review-why-grid div{font-size:13.5px; color:var(--text-dark-body);}

  @media (max-width:1024px){
    .review-grid{grid-template-columns:repeat(2,1fr);}
    .review-why-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:640px){
    .review-grid{grid-template-columns:1fr;}
    .review-why-grid{grid-template-columns:1fr;}
  }

  /* ---------------- CTA band ---------------- */
  .cta-band{
    padding:var(--sp-section) 0; color:var(--white); text-align:center;
    position:relative; overflow:hidden;
    background:var(--navy-900);
  }
  .cta-band::before{
    content:''; position:absolute; inset:0;
    background:radial-gradient(60% 90% at 50% 0%, rgba(255,255,255,0.12), transparent 65%);
  }
  .cta-band .wrap{position:relative; z-index:1; display:flex; flex-direction:column; align-items:center;}
  .cta-band .h-lg{color:var(--white); max-width:640px;}
  .cta-band .btn-primary{background:var(--white); color:var(--navy-900); margin-top:var(--sp-xl);}
  .cta-band .btn-primary:hover{background:var(--steel-200);}

  /* ---------------- footer ---------------- */
  /* ---------------- music player ---------------- */
  .music-toggle{
    position:fixed; right:var(--sp-lg); bottom:var(--sp-lg); z-index:90;
    width:50px; height:50px; border-radius:50%; border:none; cursor:pointer;
    background:var(--navy-900); color:var(--white);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 18px rgba(0,0,0,0.35);
    transition:background .2s ease, transform .2s ease;
  }
  .music-toggle:hover{background:var(--navy-800); transform:scale(1.05);}
  .music-toggle svg{width:22px; height:22px;}
  .music-toggle .icon-playing{display:none;}
  .music-toggle.playing .icon-muted{display:none;}
  .music-toggle.playing .icon-playing{display:block;}
  .music-bars{display:flex; align-items:flex-end; gap:2px; height:16px;}
  .music-bars span{width:3px; background:var(--white); border-radius:1px; animation:musicBar 0.9s ease-in-out infinite;}
  .music-bars span:nth-child(1){height:40%; animation-delay:0s;}
  .music-bars span:nth-child(2){height:100%; animation-delay:.15s;}
  .music-bars span:nth-child(3){height:65%; animation-delay:.3s;}
  .music-bars span:nth-child(4){height:85%; animation-delay:.45s;}
  @keyframes musicBar{
    0%,100%{transform:scaleY(0.4);}
    50%{transform:scaleY(1);}
  }

  footer{background:var(--navy-950); color:var(--steel-400); padding:var(--sp-xxl) 0 var(--sp-lg);}
  .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:var(--sp-xl); padding-bottom:var(--sp-xl);}
  .foot-logo-img{width:120px; height:120px; object-fit:contain; margin-left:-10px; margin-bottom:-6px;}
  .foot-desc{font-size:13px; margin-top:var(--sp-md); max-width:280px; line-height:1.7;}
  .foot-col h4{font-size:12px; letter-spacing:0.12em; text-transform:uppercase; color:var(--white); margin-bottom:var(--sp-md); font-weight:600;}
  .foot-col a, .foot-col p{display:block; font-size:13px; margin-bottom:10px; color:var(--steel-400);}
  .foot-col a:hover{color:var(--white);}
  .foot-social{display:flex; gap:12px; margin-top:var(--sp-sm);}
  .foot-social a{
    width:34px; height:34px; border:1px solid rgba(255,255,255,0.2);
    display:flex; align-items:center; justify-content:center;
  }
  .foot-social a:hover{border-color:var(--white); background:rgba(255,255,255,0.06);}
  .foot-map{
    height:150px; border:1px solid rgba(255,255,255,0.15); overflow:hidden;
    margin-top:var(--sp-sm); background:rgba(255,255,255,0.02); filter:grayscale(0.3) contrast(1.05);
  }
  .foot-map iframe{display:block;}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,0.12); padding-top:var(--sp-lg);
    display:flex; justify-content:space-between; font-size:12px; color:var(--steel-600); flex-wrap:wrap; gap:8px;
  }

  /* ---------------- responsive ---------------- */
  @media (max-width:1024px){
    .about-grid{grid-template-columns:1fr;}
    .about-panel{order:-1;}
    .prod-grid{grid-template-columns:repeat(2,1fr);}
    .hl-grid{grid-template-columns:repeat(3,1fr); row-gap:var(--sp-xl);}
    .proc-grid{grid-template-columns:repeat(3,1fr); row-gap:var(--sp-xl);}
    .proc-line{display:none;}
    .port-grid{grid-template-columns:1fr 1fr;}
    .fp-grid{grid-template-columns:1fr 1fr;}
    .foot-grid{grid-template-columns:1fr 1fr;}
    .nav-links{display:none;}
    .nav-contact{display:none;}
    .nav-burger{display:flex;}
    .trust-grid{grid-template-columns:repeat(3,1fr); row-gap:var(--sp-lg);}
    .stats-grid{grid-template-columns:repeat(3,1fr); row-gap:var(--sp-lg);}
  }
  @media (max-width:768px){
    :root{--sp-section:72px;}
    .hero{padding:96px 0 0;}
    .hero-photo-collage{
      position:absolute; inset:0; width:100%; top:0; bottom:0; right:0;
    }
    .hero-photo-collage::before{
      background:linear-gradient(180deg, rgba(5,5,5,0.75) 0%, rgba(5,5,5,0.55) 40%, rgba(5,5,5,0.92) 100%);
    }
    .hero-content{max-width:100%; position:relative; z-index:2;}
    .h-xl{font-size:clamp(28px,7.2vw,38px);}
    .hero-actions{flex-direction:column; align-items:stretch;}
    .hero-actions .btn{width:100%; justify-content:center;}
    .trust-row{margin-top:var(--sp-xl);}
    .trust-grid{grid-template-columns:1fr 1fr; row-gap:var(--sp-lg); gap:var(--sp-sm);}
    .trust-item{align-items:center; text-align:center;}
    .stats-grid{grid-template-columns:1fr 1fr;}
    .stat-item{align-items:center; text-align:center;}
    .h-lg{font-size:clamp(24px,6vw,32px);}
    .section-head-row{align-items:flex-start; gap:var(--sp-md);}
    .cta-band .btn{width:100%; justify-content:center;}
  }
  @media (max-width:640px){
    .wrap{padding:0 20px;}
    .prod-grid{grid-template-columns:1fr;}
    .hl-grid{grid-template-columns:1fr 1fr;}
    .proc-grid{grid-template-columns:1fr 1fr;}
    .port-grid{grid-template-columns:1fr;}
    .fp-grid{grid-template-columns:1fr;}
    .testi-grid{grid-template-columns:1fr;}
    .about-stats{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .hero-actions{flex-direction:column; align-items:stretch;}
    .trust-grid{grid-template-columns:1fr 1fr;}
    .stats-grid{grid-template-columns:1fr 1fr;}
    .music-toggle{width:44px; height:44px; right:16px; bottom:16px;}
  }

  /* ---------------- LINE floating button ---------------- */
  .line-toggle{
    position:fixed; left:var(--sp-lg); bottom:var(--sp-lg); z-index:90;
    width:56px; height:56px; border-radius:50%; border:none; cursor:pointer;
    background:#06C755; color:var(--white);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 18px rgba(6,199,85,0.45);
    transition:background .2s ease, transform .2s ease;
  }
  .line-toggle:hover{background:#05a848; transform:scale(1.06);}
  .line-toggle svg{width:28px; height:28px;}
  @media (max-width:640px){
    .line-toggle{width:48px; height:48px; left:16px; bottom:16px;}
  }

  /* ---------------- category page: breadcrumb + hero ---------------- */
  .cat-hero{padding:150px 0 var(--sp-xl); background:var(--navy-950);}
  .cat-hero .wrap{position:relative; z-index:1;}
  .breadcrumb{font-size:12.5px; color:var(--text-dark-muted); margin-bottom:var(--sp-md); display:flex; align-items:center; gap:8px; flex-wrap:wrap;}
  .breadcrumb a{color:var(--text-dark-muted); transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--white);}
  .breadcrumb .sep{opacity:0.5;}
  .breadcrumb .current{color:rgba(255,255,255,0.85);}
  .cat-hero .h-xl{color:var(--white); font-size:clamp(26px,3.2vw,42px);}
  .cat-hero .lede{color:var(--text-dark-body); margin-top:var(--sp-sm);}

  /* category quick-nav pills, shown on every category page */
  .cat-nav{background:var(--surface-dark-2); border-top:1px solid var(--hairline-dark); border-bottom:1px solid var(--hairline-dark); padding:var(--sp-md) 0; position:sticky; top:65px; z-index:40;}
  .cat-nav-scroll{display:flex; gap:10px; overflow-x:auto; scrollbar-width:none;}
  .cat-nav-scroll::-webkit-scrollbar{display:none;}
  .cat-pill{
    flex-shrink:0; font-size:12.5px; font-weight:500; color:rgba(255,255,255,0.65);
    padding:9px 16px; border:1px solid var(--hairline-dark-strong); border-radius:100px;
    transition:all .2s ease; white-space:nowrap;
  }
  .cat-pill:hover{color:var(--white); border-color:var(--navy-700);}
  .cat-pill.active{background:var(--navy-900); border-color:var(--navy-900); color:var(--white);}

  /* ---------------- catalog grid ---------------- */
  .catalog{padding:var(--sp-xxl) 0 var(--sp-section); background:var(--surface-dark);}
  .catalog-meta{display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:var(--sp-sm); margin-bottom:var(--sp-lg);}
  .catalog-count{font-size:13px; color:var(--text-dark-muted);}
  .cat-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-md);}
  .cat-card{
    background:var(--surface-dark-2); border:1px solid var(--hairline-dark); border-radius:10px; overflow:hidden;
    display:flex; flex-direction:column; position:relative; transition:transform .3s ease, box-shadow .3s ease;
  }
  .cat-card:hover{transform:translateY(-4px); box-shadow:0 16px 36px rgba(0,0,0,0.4);}
  .cat-card-badge{
    position:absolute; top:12px; left:12px; z-index:2; font-size:10.5px; font-weight:600;
    letter-spacing:0.06em; text-transform:uppercase; padding:4px 10px; border-radius:100px; color:var(--white);
  }
  .cat-card-badge.badge-featured{background:var(--navy-900);}
  .cat-card-badge.badge-new{background:#1d6fd6;}
  .cat-card-badge.badge-bestseller{background:#c98a0e;}

  /* discount ribbon — only shown on bestseller items with a real price,
     percentage always matches the crossed-out "was" price below.
     gentle pulse, not a hard blink, per "ไม่เวอร์" */
  .cat-card-discount{
    position:absolute; top:12px; right:12px; z-index:2;
    background:var(--navy-900); color:var(--white); font-size:11px; font-weight:700;
    letter-spacing:0.02em; padding:4px 9px; border-radius:6px;
    animation:discountPulse 2.6s ease-in-out infinite;
  }
  @keyframes discountPulse{
    0%, 100%{ box-shadow:0 0 0 0 rgba(198,0,24,0.55); }
    50%{ box-shadow:0 0 0 6px rgba(198,0,24,0); }
  }
  @media (prefers-reduced-motion: reduce){
    .cat-card-discount{ animation:none; }
  }

  .cat-card-photo{aspect-ratio:1/1; background:var(--surface-dark); overflow:hidden; display:flex; align-items:center; justify-content:center;}
  .cat-card-photo img,.cat-card-photo svg{width:100%; height:100%; object-fit:cover;}
  .cat-card-body{padding:var(--sp-md) var(--sp-md) var(--sp-lg); display:flex; flex-direction:column; gap:6px; flex:1;}
  .cat-card-name{font-size:14.5px; font-weight:500; color:var(--white); line-height:1.45; min-height:42px;}
  .cat-card-size{font-size:12px; color:var(--text-dark-muted);}
  .cat-card-sold{font-size:12px; color:#c98a0e; font-weight:500;}
  .cat-card-price{font-size:17px; font-weight:700; color:var(--navy-700); margin-top:4px;}
  .cat-card-price-row{display:flex; align-items:baseline; gap:8px; margin-top:4px; flex-wrap:wrap;}
  .cat-card-price-row .cat-card-price{margin-top:0;}
  .cat-card-price-was{font-size:12.5px; color:var(--text-dark-muted); text-decoration:line-through;}
  .cat-card-cta{margin-top:auto; padding-top:var(--sp-sm); font-size:12px; font-weight:600; letter-spacing:0.04em; text-transform:uppercase; color:var(--text-dark-muted); border-top:1px solid var(--hairline-dark);}
  .cat-card:hover .cat-card-cta{color:var(--white);}
  .catalog-empty{padding:var(--sp-xxl) 0; text-align:center; color:var(--text-dark-muted);}
  .catalog-empty a{color:var(--navy-700); font-weight:600;}

  /* pagination */
  .pagination{display:flex; justify-content:center; align-items:center; gap:8px; margin-top:var(--sp-xxl); flex-wrap:wrap;}
  .page-btn{
    min-width:40px; height:40px; padding:0 10px; border-radius:6px; border:1px solid var(--hairline-dark-strong);
    background:transparent; color:rgba(255,255,255,0.7); font-size:13px; font-weight:500; cursor:pointer;
    display:flex; align-items:center; justify-content:center; transition:all .2s ease;
  }
  .page-btn:hover:not(:disabled){border-color:var(--navy-700); color:var(--white);}
  .page-btn.active{background:var(--navy-900); border-color:var(--navy-900); color:var(--white);}
  .page-btn:disabled{opacity:0.35; cursor:not-allowed;}

  @media (max-width:1024px){
    .cat-grid{grid-template-columns:repeat(3,1fr);}
  }
  @media (max-width:768px){
    .cat-hero{padding:110px 0 var(--sp-lg);}
    .cat-nav{top:0;}
  }
  @media (max-width:640px){
    .cat-grid{grid-template-columns:repeat(2,1fr);}
    .cat-card-name{min-height:auto;}
  }

  /* ---------------- cursor-follow interactions ---------------- */
  /* normal system arrow stays visible — a red ember trail traces the recent
     cursor path behind it, like a small shooting star. additive blend keeps
     it looking like glowing light rather than flat dots. */
  .cursor-spark{
    position:fixed; top:0; left:0; width:6px; height:6px; margin:-3px;
    border-radius:50%; pointer-events:none; z-index:9998;
    background:radial-gradient(circle, rgba(255,151,120,0.95) 0%, rgba(229,57,53,0.65) 42%, rgba(229,57,53,0) 72%);
    mix-blend-mode:screen; will-change:transform, opacity, width, height, margin;
    transform:translate(-200px,-200px); opacity:0;
  }
  .cursor-spark--head{
    background:radial-gradient(circle, rgba(255,214,200,1) 0%, rgba(255,120,100,0.9) 35%, rgba(229,57,53,0) 70%);
  }
  @media (max-width:1024px), (hover:none), (pointer:coarse){
    .cursor-spark{display:none !important;}
  }

  /* magnetic buttons + tilt cards get a snappy default transform transition
     that JS overrides to something faster while the mouse is actively moving */
  .btn, .nav-cta, .line-toggle, .music-toggle{
    transition:transform .35s cubic-bezier(0.16,1,0.3,1), background .3s ease, box-shadow .3s ease, border-color .3s ease;
    will-change:transform;
  }
  .prod-card, .fp-card, .cat-card, .testi-card{
    will-change:transform;
    transition:transform .35s cubic-bezier(0.16,1,0.3,1), box-shadow .3s ease;
  }

  [data-parallax]{ will-change:transform; }

  /* ---------------- trust badges (light section for visual rhythm) ---------------- */
  .trust-badges{padding:var(--sp-section) 0; background:var(--steel-050);}
  .trust-badges .eyebrow{color:var(--navy-700);}
  .trust-badges .eyebrow::before{background:var(--navy-700);}
  .trust-badges .h-lg{color:var(--ink);}
  .tb-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-md); margin-top:var(--sp-xl);}
  .tb-item{
    background:var(--white); border:1px solid var(--steel-200); border-radius:10px;
    padding:var(--sp-lg); display:flex; flex-direction:column; gap:12px;
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .tb-item:hover{transform:translateY(-4px); box-shadow:0 16px 32px rgba(24,24,26,0.08); border-color:var(--steel-400);}
  .tb-icon{width:34px; height:34px; color:var(--navy-700);}
  .tb-title{font-size:15px; font-weight:700; color:var(--ink); letter-spacing:-0.005em;}
  .tb-desc{font-size:13px; color:var(--muted); font-weight:300; line-height:1.55;}
  @media (max-width:1024px){
    .tb-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:640px){
    .tb-grid{grid-template-columns:1fr;}
  }

  @media (prefers-reduced-motion: reduce){
    .cursor-spark{display:none !important;}
  }