/* AS System motion home — tokens + layout. Source of truth: design_handoff_assystem_website/README.md §2 */
:root{
    /* light cream theme (page default) */
    --ink:#F7F3EC; --ink-900:#FFFFFF; --ink-800:#EFE9DF; --ink-700:#D9D2C6;
    --paper:#141416; --muted:#5E5A53; --line:rgba(20,20,22,.14);
    --fg:#141416; --bg:#F7F3EC; --card:#FFFFFF;
    --orange:#FF7A1A; --orange-600:#E5631A; --orange-700:#C4500A; --orange-text:#B4410A; --amber:#FFC44A;
    --grad:linear-gradient(90deg,#FFC44A 0%,#FF7A1A 100%);
    --display:"Saira","IBM Plex Sans Thai",system-ui,sans-serif;
    --body:"IBM Plex Sans Thai","Saira",system-ui,sans-serif;
    --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
    --gutter:clamp(16px,4vw,48px); --max:1400px;
    color-scheme:light;
  }
  /* full-bleed photo sections keep the dark palette */
  .dark{--ink:#0A0A0A;--ink-900:#141416;--ink-800:#1F1F24;--ink-700:#2C2C33;--paper:#FAFAFA;--muted:#A8A6A1;--line:rgba(250,250,250,.12);--fg:#FAFAFA;--bg:#0A0A0A;--card:#141416;color:var(--paper);color-scheme:dark}
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;font-size:clamp(16px,1.05vw,19px)}
  body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--body);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
  img{max-width:100%;display:block}
  a{color:inherit}
  h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.14;letter-spacing:-.015em}
  .wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
  .eyebrow{font-family:var(--mono);font-size:.95rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange-text);display:inline-flex;align-items:center;gap:10px}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--orange-text)}
  .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .ital{font-weight:300;font-style:italic;letter-spacing:0}
  .lead{font-size:clamp(1.15rem,1.25vw,1.35rem);color:var(--muted);max-width:34em;margin:0}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;font-weight:600;text-decoration:none;font-size:.95rem;border:1px solid transparent;transition:transform .2s,background .2s,border-color .2s;cursor:pointer;font-family:var(--body)}
  .btn:hover{transform:translateY(-2px)}
  .btn:focus-visible,.copy:focus-visible,a:focus-visible,button:focus-visible,[role=tab]:focus-visible,summary:focus-visible{outline:3px solid #141416;outline-offset:3px}
  .btn-solid:focus-visible{outline-color:#141416}
  .btn-solid{background:var(--orange);color:#160A02}
  .btn-solid:hover{background:var(--amber)}
  .btn-ghost{border-color:var(--line);color:var(--fg);background:rgba(127,127,127,.06)}
  .btn-ghost:hover{border-color:var(--orange)}

  /* light interlude chapters (citizen / trust) */
  .light{--fg:#141416;--bg:#F7F3EC;--card:#FFFFFF;--muted:#5E5A53;--line:rgba(20,20,22,.14);--paper:#141416;--ink-900:#FFFFFF;background:var(--bg);color:var(--fg);color-scheme:light}
  .light .eyebrow{color:var(--orange-text)}
  .light .eyebrow::before{background:var(--orange-text)}

  /* nav */
  .nav{position:fixed;inset-inline:0;top:0;z-index:50;padding-top:env(safe-area-inset-top,0px);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(247,243,236,.78);border-bottom:1px solid transparent;transition:border-color .3s;color:#141416}
  .nav.on{border-bottom-color:rgba(20,20,22,.12)}
  .nav-in{display:flex;align-items:center;gap:24px;height:68px}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:800;letter-spacing:.02em}
  .brand img{height:30px;width:auto}
  .brand small{font-family:var(--mono);font-weight:400;font-size:.6rem;letter-spacing:.14em;color:var(--muted);display:block;line-height:1;text-transform:uppercase}
  .menu{display:flex;gap:2px;margin-left:auto;list-style:none;padding:0;margin-block:0}
  .menu a{text-decoration:none;font-size:.95rem;color:#5E5A53;padding:8px 11px;border-radius:8px}
  .menu a:hover{color:#141416;background:rgba(20,20,22,.06)}
  .nav .btn{padding:10px 18px;font-size:.85rem}
  @media (max-width:1180px){.menu{display:none}}

  /* progress rail */
  .rail{position:fixed;left:5px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:0;align-items:center}
  .rail span,.rail a{position:relative;width:24px;height:24px;border-radius:50%;background:transparent;cursor:pointer;display:block}
  .rail span::before,.rail a::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#C9C1B3;transition:background .3s,transform .3s}
  .rail span.on::before,.rail a.on::before{background:var(--orange-700);transform:scale(1.5);box-shadow:0 0 12px var(--orange)}
  .rail-line{position:fixed;left:16px;top:0;width:2px;height:100%;background:rgba(127,127,127,.25);z-index:39}
  .rail-line i{display:block;width:100%;height:100%;background:var(--grad);transform-origin:top;transform:scaleY(0)}
  @media (max-width:900px){.rail,.rail-line{display:none}}

  /* chapter label */
  .chap{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:.95rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
  .chap b{font-family:var(--display);font-weight:800;font-size:2.2rem;letter-spacing:-.02em;color:var(--orange-700);line-height:1}

  /* hero */
  .hero{position:relative;min-height:88svh;display:grid;align-items:end;overflow:hidden;isolation:isolate}
  .hero-media{position:absolute;inset:-6% 0 0;z-index:-2}
  .hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;object-position:60% 40%;will-change:transform}
  .hero-media video{position:absolute;inset:0;z-index:1;opacity:0;transition:opacity 1.2s ease}
  .hero-media video.ready{opacity:1}
  .hero-media img{position:absolute;inset:0}
  .hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;pointer-events:none}
  .hero-slide.on{opacity:1}
  .hero-tabs{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:4px}
  .hero-tabs button{appearance:none;background:none;border:0;padding:8px 0;font-family:var(--body);font-size:.95rem;font-weight:500;color:#5E5A53;cursor:pointer;position:relative;display:grid;gap:8px;min-width:88px;text-align:left}
  .hero-tabs button i{display:block;height:3px;border-radius:3px;background:rgba(60,50,40,.18);overflow:hidden;position:relative}
  .hero-tabs button i::after{content:"";position:absolute;inset:0;background:var(--orange);transform:scaleX(0);transform-origin:left}
  .hero-tabs button[aria-selected="true"]{color:#1C1A17}
  .hero-tabs button[aria-selected="true"] i::after{transform:scaleX(1);transition:transform var(--hero-dur,7s) linear}
  .hero-tabs.paused button[aria-selected="true"] i::after{transition:none}
  .hero.static .hero-tabs button[aria-selected="true"] i::after{transition:none;transform:scaleX(1)}
  @media (prefers-reduced-motion:reduce){.hero-media video{display:none}}
  .hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(247,243,236,.6) 0%,rgba(247,243,236,.3) 30%,rgba(247,243,236,.72) 62%,rgba(247,243,236,.97) 100%)}
  .hero h1{text-shadow:0 1px 0 rgba(255,255,255,.6)}
  /* บรรทัดไล่เฉดบน hero: ใช้ส้มเข้มกว่าปกติให้ตัดกับภาพสว่าง + เงาขาวใต้ตัวอักษร */
  /* ไม่ใช้ gradient-clip + filter บน hero เพราะ Chrome เรนเดอร์ซีดจางบนภาพสว่าง ใช้สีทึบส้มเข้ม + เงาแทน */
  .hero h1 .grad{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:#C2410C;-webkit-text-fill-color:#C2410C;text-shadow:0 1px 0 rgba(255,255,255,.75),0 8px 24px rgba(255,255,255,.6),0 2px 10px rgba(80,30,0,.18)}
  .hero .lead{color:#3F3B35}
  .hero .eyebrow{color:#B4410A;font-weight:500;text-shadow:0 1px 0 rgba(255,255,255,.7)}
  .hero-in{padding-block:140px 72px;display:grid;gap:28px}
  .hero h1{font-size:clamp(2.3rem,6.4vw,5.4rem);font-weight:800;max-width:14ch;line-height:1.1}
  .hero h1 .line{display:block;overflow:hidden;padding:.08em 0 .22em;margin:-.08em 0 -.22em}   /* room for Thai below-vowels (อุ อู) and tone marks inside the clipped line box */
  .hero h1 .line>span{display:block;transform:translateY(110%)}
  .hero-foot{display:flex;flex-wrap:wrap;gap:24px;align-items:end;justify-content:space-between}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px}
  .hero-stats{display:flex;gap:28px;flex-wrap:wrap}
  .hero-stats div{font-family:var(--mono);font-size:.9rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
  .hero-stats b{display:block;font-family:var(--display);font-weight:700;font-size:1.6rem;color:var(--paper);letter-spacing:-.01em}
  .scroll-cue{position:absolute;right:var(--gutter);bottom:28px;font-family:var(--mono);font-size:.9rem;letter-spacing:.1em;color:var(--muted);display:flex;align-items:center;gap:10px}
  .scroll-cue i{width:1px;height:38px;background:var(--orange);display:block;animation:cue 1.8s ease-in-out infinite}
  @keyframes cue{0%,100%{transform:scaleY(.3);transform-origin:top;opacity:.4}50%{transform:scaleY(1);opacity:1}}
  @media (max-width:640px){.scroll-cue{display:none}}

  /* generic section */
  .sec{padding-block:clamp(72px,10vw,150px)}
  .sec-head{display:grid;gap:18px;max-width:52rem;margin-bottom:clamp(36px,5vw,72px)}
  .sec h2{font-size:clamp(1.8rem,4vw,3.4rem);font-weight:700}

  /* chapter 1: story (pinned, full-bleed image with copy overlay) */
  .story{position:relative;background:var(--ink-900)}
  .story-pin{position:relative;min-height:100svh;display:grid;align-items:center;overflow:hidden;padding-block:110px 72px;isolation:isolate}
  .story-bg{position:absolute;inset:0;z-index:-2;background:#EFE9DF}
  .story-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% 50%;transform:scale(1.12);will-change:transform}
  .story-bg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% 50%;transform:scale(1.12);will-change:transform;opacity:0;transition:opacity .6s ease}
  .story-bg video.ready{opacity:1}
  .story-bg #storyImg2{opacity:0;transform:scale(1.06)}
  .story-bg .paper{position:absolute;inset:0;background:repeating-linear-gradient(0deg,#ECE6D8 0 28px,#DCD5C5 28px 29px);display:grid;place-items:center;will-change:transform}
  .story-bg .paper b{position:relative;font-family:var(--mono);color:#6E6452;letter-spacing:.1em;font-size:.9rem;padding:10px 16px;border:1px solid rgba(110,100,82,.35);background:rgba(255,252,246,.7);border-radius:999px}
  .story-bg .sheet{position:absolute;width:min(34vw,420px);aspect-ratio:1/1.35;background:#FFFDF8;box-shadow:0 30px 60px -20px rgba(60,50,30,.45);border-radius:6px;background-image:repeating-linear-gradient(0deg,transparent 0 26px,#E2DACB 26px 27px);background-size:100% 100%;background-position:0 40px}
  .story-bg .sheet::before{content:"";position:absolute;left:8%;right:40%;top:6%;height:10px;background:#D9D0BE;border-radius:4px}
  .story-bg .s1{left:55%;top:14%;transform:rotate(-7deg)}
  .story-bg .s2{left:61%;top:22%;transform:rotate(4deg)}
  .story-bg .s3{left:50%;top:30%;transform:rotate(-2deg)}
  .story-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(247,243,236,.94) 0%,rgba(247,243,236,.82) 30%,rgba(247,243,236,.35) 52%,rgba(247,243,236,.05) 70%),linear-gradient(180deg,rgba(247,243,236,.55) 0%,rgba(247,243,236,0) 25%,rgba(247,243,236,0) 75%,rgba(247,243,236,.7) 100%)}
  .story-grid{display:grid;grid-template-columns:minmax(0,1fr);width:100%}
  .story-copy{display:grid;gap:18px;max-width:34rem}
  /* all steps share one grid cell so the box is as tall as the tallest step (no overlap with the progress row) */
  .steps{position:relative;display:grid}
  .step{grid-area:1/1;display:grid;gap:14px;align-content:start;opacity:0;transform:translateY(24px);pointer-events:none}
  .step:first-child{pointer-events:auto}
  .step:first-child{opacity:1;transform:none}
  .step h3{font-size:clamp(2rem,4.2vw,3.6rem);font-weight:800;text-shadow:0 1px 0 rgba(255,255,255,.6)}
  .step p{color:#3F3B35;max-width:30em;margin:0;font-size:1.05rem}
  .step-idx{font-family:var(--mono);font-size:.9rem;letter-spacing:.1em;color:var(--orange-text)}
  .story-progress{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
  .sp-nav{display:inline-flex;align-items:center;gap:6px}
  .sp-btn{font:inherit;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;transition:border-color .2s,background .2s,opacity .2s}
  .sp-btn:hover{border-color:var(--orange);background:#FFF1E6}
  .sp-btn:disabled{opacity:.35;cursor:default}
  .sp-skip{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--muted);text-decoration:none;padding:7px 6px;text-transform:uppercase}
  .sp-skip:hover{color:var(--orange)}
  .track-nav{display:inline-flex;align-items:center;gap:8px}
  .track-nav .sp-btn{padding:6px 12px;font-size:.9rem;line-height:1}
  .story-progress .sp-num b{color:var(--paper);font-size:1rem}
  .sp-bars{display:flex;gap:6px}
  .sp-bars i{width:34px;height:3px;border-radius:2px;background:rgba(20,20,22,.15);position:relative;overflow:hidden}
  .sp-bars i::after{content:"";position:absolute;inset:0;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .5s ease}
  .story[data-step="0"] .sp-bars i:nth-child(1)::after,
  .story[data-step="1"] .sp-bars i:nth-child(-n+2)::after,
  .story[data-step="2"] .sp-bars i::after{transform:scaleX(1)}
  .story-tag span{display:none}.story[data-step="0"] .story-tag .t0,.story[data-step="1"] .story-tag .t1,.story[data-step="2"] .story-tag .t2{display:inline}
  .story-tag{position:absolute;right:var(--gutter);bottom:24px;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(20,20,22,.12);backdrop-filter:blur(8px);color:#141416}
  /* doc status card */
  .doc-card{justify-self:start;width:min(100%,380px);margin-top:6px;background:rgba(255,255,255,.8);border:1px solid rgba(20,20,22,.1);border-radius:16px;padding:14px 16px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);display:grid;gap:14px;box-shadow:0 30px 60px -30px rgba(60,40,20,.35)}
  .doc-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
  .doc-k{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;color:var(--orange-text)}
  .doc-live{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
  .doc-live i{width:6px;height:6px;border-radius:50%;background:#C9C1B3;transition:background .3s}
  .story[data-step="2"] .doc-live i{background:#22C55E;box-shadow:0 0 10px rgba(34,197,94,.6)}
  .doc-title{font-weight:600;font-size:.95rem;line-height:1.4}
  .doc-steps{list-style:none;margin:0;padding:0;display:grid}
  .doc-steps li{display:grid;grid-template-columns:18px 1fr auto;gap:12px;align-items:center;padding:7px 0;border-top:1px solid rgba(20,20,22,.08);font-size:.88rem;color:var(--muted);transition:color .3s}
  .doc-steps em{font-style:normal;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:#6B6660}
  .doc-steps .dot{width:14px;height:14px;border-radius:50%;border:2px solid #C9C1B3;display:grid;place-items:center;transition:border-color .3s,background .3s}
  .doc-steps .dot::after{content:"";width:6px;height:3px;border-left:2px solid #160A02;border-bottom:2px solid #160A02;transform:rotate(-45deg) translate(1px,-1px);opacity:0}
  .doc-steps li.done{color:var(--paper)}
  .doc-steps li.done .dot{background:var(--orange);border-color:var(--orange)}
  .doc-steps li.done .dot::after{opacity:1}
  .doc-steps li.wait .dot{border-color:var(--amber);animation:pulse 1.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,196,74,.5)}50%{box-shadow:0 0 0 6px rgba(255,196,74,0)}}
  .story[data-step="0"] li[data-n="1"]{color:var(--paper)}
  .story[data-step="0"] li[data-n="2"] .dot{border-color:var(--amber);animation:pulse 1.4s ease-in-out infinite}
  .story[data-step="1"] li[data-n="1"],.story[data-step="1"] li[data-n="2"],.story[data-step="1"] li[data-n="3"]{color:var(--paper)}
  .story[data-step="1"] li[data-n="1"] .dot,.story[data-step="1"] li[data-n="2"] .dot,.story[data-step="1"] li[data-n="3"] .dot{background:var(--orange);border-color:var(--orange)}
  .story[data-step="1"] li[data-n="1"] .dot::after,.story[data-step="1"] li[data-n="2"] .dot::after,.story[data-step="1"] li[data-n="3"] .dot::after{opacity:1}
  .story[data-step="2"] li{color:var(--paper)}
  .story[data-step="2"] li .dot{background:var(--orange);border-color:var(--orange)}
  .story[data-step="2"] li .dot::after{opacity:1}
  .doc-foot{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid rgba(20,20,22,.08);padding-top:12px;font-size:.8rem;color:var(--muted)}
  .doc-foot b{font-family:var(--display);font-size:1.25rem;font-weight:700;position:relative}
  .doc-foot .now{display:none;color:var(--orange-600)}
  .story[data-step="2"] .doc-foot .was,.story[data-step="1"] .doc-foot .was{text-decoration:line-through;opacity:.5;margin-right:8px}
  .story[data-step="2"] .doc-foot .now,.story[data-step="1"] .doc-foot .now{display:inline}
  @media (max-width:900px){
    .story-pin{min-height:0;padding-block:0 56px;display:block}
    .story-bg{position:relative;inset:auto;aspect-ratio:16/10;z-index:0}
    .story-bg img{transform:none}
    .story-bg #storyImg2,.story-bg video{display:none}
    .story-bg .paper{display:none}
    .story-shade{display:none}
    .story-grid{grid-template-columns:1fr;align-items:start;margin-top:28px}
    .steps{display:block}.step{opacity:1;transform:none;margin-bottom:28px}
    .story-progress{display:none}
    .track-nav .sp-btn,.track-nav .sp-skip{display:none}
    .doc-card{width:100%;margin-top:12px}
    .story-tag{display:none}
  }

  /* chapter 2: one platform + horizontal products */
  .products{background:var(--ink)}
  .track-stage{position:relative;overflow:hidden;min-height:100svh;display:grid;align-content:center;gap:22px;padding-block:96px 40px}
  .track-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
  .track-prog{width:min(320px,40vw);height:2px;background:var(--ink-700);border-radius:2px;overflow:hidden}
  .track-prog i{display:block;height:100%;width:100%;background:var(--grad);transform-origin:left;transform:scaleX(0)}
  @media (max-width:900px){.track-stage{min-height:0;padding-block:40px 72px}}
  .plat{display:grid;grid-template-columns:1fr .9fr;gap:clamp(28px,5vw,72px);align-items:center;margin-bottom:clamp(40px,6vw,88px);position:relative;isolation:isolate;min-height:clamp(440px,46vw,660px);padding-block:clamp(28px,4vw,56px);border-radius:28px;overflow:hidden}
  /* บทที่ 2: ภาพโน้ตบุ๊กคมชัดด้านขวาเป็นพื้นหลังทั้งกล่อง ด้านซ้ายไล่เป็นครีมให้ข้อความอ่านง่าย */
  .plat-bg{position:absolute;inset:0;z-index:-1;background:#F3EDE4}
  .plat-bg .plat-bg-img{width:100%;height:100%;object-fit:cover;object-position:80% 50%;transform:scale(1.06);will-change:transform}
  .plat-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,236,.98) 0%,rgba(247,243,236,.9) 30%,rgba(247,243,236,.35) 52%,rgba(247,243,236,0) 68%),linear-gradient(180deg,rgba(247,243,236,.35) 0%,rgba(247,243,236,0) 25%,rgba(247,243,236,0) 80%,rgba(247,243,236,.5) 100%)}
  .plat-spacer{min-height:1px}
  @media (max-width:900px){.plat{padding-block:0;min-height:0;overflow:visible;border-radius:0}.plat-bg{position:relative;inset:auto;aspect-ratio:16/10;border-radius:18px;overflow:hidden;order:-1;z-index:0}.plat-bg .plat-bg-img{transform:none;object-position:60% 50%}.plat-bg::after{display:none}.plat-spacer{display:none}}
  .plat .sec-head{margin-bottom:0}
  .poster{position:relative;border-radius:22px;overflow:hidden;aspect-ratio:1;max-width:100%;box-shadow:0 40px 90px -40px rgba(255,122,26,.5);background:var(--card)}
  .poster img{width:100%;height:100%;object-fit:cover}
  .poster .cap{position:absolute;left:16px;bottom:16px;font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;padding:7px 11px;border-radius:999px;background:rgba(10,10,10,.6);color:#fff;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px)}
  .track-wrap{position:relative}
  .track{display:flex;gap:20px;padding-inline:var(--gutter);width:max-content}
  .card{width:min(78vw,380px);flex:0 0 auto;background:var(--ink-900);border:1px solid var(--line);border-radius:20px;padding:26px;display:grid;gap:16px;min-height:380px;align-content:start;position:relative;overflow:hidden}
  .card.img{padding:0;display:block;min-height:380px;color:#FAFAFA}
  .card.img p{color:#D9D6CF}
  .card.img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
  .card.img .card-in{position:absolute;inset:0;padding:26px;background:linear-gradient(180deg,rgba(10,10,10,.05) 35%,rgba(10,10,10,.94) 100%);display:grid;align-content:end;gap:10px}
  .card .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;color:var(--orange-text)}
  .card h3{font-size:1.55rem;font-weight:700}
  .card p{margin:0;color:var(--muted);font-size:.95rem}
  .card ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
  .card li{font-size:.9rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
  .card .sym{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(255,122,26,.12);color:var(--orange)}
  .card.has-pic{padding-top:0}
  .card .pic{margin:0 -26px 6px;aspect-ratio:4/3;overflow:hidden;border-radius:19px 19px 0 0;background:var(--ink-800)}
  .card .pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
  .card:hover .pic img{transform:scale(1.04)}
  .card .sym svg{width:24px;height:24px}
  .track-hint{font-family:var(--mono);font-size:.95rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
  @media (max-width:900px){.plat{grid-template-columns:1fr}.track{flex-wrap:wrap;width:auto;gap:16px}.card{width:100%;min-height:0}.card.img{min-height:320px}}

  /* chapter 3: citizen journey (light) */
  .citizen-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(28px,5vw,80px);align-items:center}
  .journey{position:relative;display:grid;gap:0;margin-top:8px}
  .journey::before{content:"";position:absolute;left:19px;top:16px;bottom:16px;width:2px;background:var(--line)}
  .journey i.fill{position:absolute;left:19px;top:16px;bottom:16px;width:2px;background:var(--grad);transform-origin:top;transform:scaleY(0)}
  .jstep{display:grid;grid-template-columns:40px 1fr;gap:18px;align-items:start;padding-block:16px}
  .jstep .dot{width:40px;height:40px;border-radius:50%;background:var(--card);border:2px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:.82rem;color:var(--muted);position:relative;z-index:1;transition:border-color .3s,color .3s}
  .jstep.on .dot{border-color:var(--orange);color:var(--orange-600)}
  .jstep h3{font-size:clamp(1.2rem,2.2vw,1.7rem);font-weight:700}
  .jstep p{margin:6px 0 0;color:var(--muted);font-size:.95rem}
  .who{display:flex;gap:10px;flex-wrap:wrap}
  .who span{font-size:.88rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--card)}
  .light .poster{box-shadow:0 40px 90px -40px rgba(229,99,26,.45)}
  @media (max-width:900px){.citizen-grid{grid-template-columns:1fr}}

  /* chapter 4: infra */
  .infra{background:var(--ink-900)}
  .infra-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,80px);align-items:center;position:relative;isolation:isolate;min-height:clamp(480px,48vw,720px);padding-block:clamp(28px,4vw,56px);border-radius:28px;overflow:hidden}
  /* บทที่ 4: ภาพวิศวกร/ตู้แร็คเป็นพื้นหลังทั้งกล่อง ด้านซ้ายไล่ครีมให้ข้อความอ่านง่าย (โครงเดียวกับ .plat) */
  .infra-bg{position:absolute;inset:0;z-index:-1;background:#F3EDE4}
  .infra-bg img{width:100%;height:100%;object-fit:cover;object-position:82% 50%;transform:scale(1.06);will-change:transform}
  .infra-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,236,.98) 0%,rgba(247,243,236,.92) 34%,rgba(247,243,236,.4) 56%,rgba(247,243,236,0) 72%),linear-gradient(180deg,rgba(247,243,236,.3) 0%,rgba(247,243,236,0) 25%,rgba(247,243,236,0) 80%,rgba(247,243,236,.45) 100%)}
  .infra-spacer{min-height:1px}
  .infra-list{display:grid;border-top:1px solid var(--line)}
  .infra-item{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line)}
  .infra-item .k{font-family:var(--mono);font-size:.9rem;color:var(--orange-text);letter-spacing:.08em}
  .infra-item h3{font-size:clamp(1.3rem,2.4vw,2rem);font-weight:700}
  .infra-item p{margin:6px 0 0;color:var(--muted);font-size:.95rem}
  .infra-item .arrow{color:var(--muted)}
  @media (max-width:900px){.infra-grid{grid-template-columns:1fr;padding-block:0;min-height:0;overflow:visible;border-radius:0}.infra-bg{position:relative;inset:auto;aspect-ratio:16/10;border-radius:18px;overflow:hidden;order:-1;z-index:0}.infra-bg img{transform:none;object-position:70% 50%}.infra-bg::after{display:none}.infra-spacer{display:none}}

  /* chapter 5: trust (light) */
  .trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,80px);align-items:center}
  .nums-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;border-top:1px solid var(--line)}
  .num{display:grid;gap:6px;padding:22px 0;border-bottom:1px solid var(--line)}
  .num b{font-family:var(--display);font-weight:800;font-size:clamp(1.9rem,3.4vw,3rem);line-height:1.05;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
  .num > span{font-size:1.05rem;color:var(--muted)}
  .num b .count{font-size:inherit;color:inherit}
  .pills{display:flex;flex-wrap:wrap;gap:10px}
  .pills span{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500;padding:10px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line)}
  .pills i{width:8px;height:8px;border-radius:50%;background:var(--orange)}
  @media (max-width:900px){.trust-grid{grid-template-columns:1fr}}

  /* marquee */
  .marquee{overflow:hidden;padding-block:20px;border-block:1px solid var(--line);background:var(--ink)}
  .marquee-in{display:flex;gap:48px;width:max-content;font-family:var(--display);font-weight:700;font-size:clamp(1.2rem,2.6vw,2rem);color:#8F8573;white-space:nowrap;animation:mq 38s linear infinite}
  .marquee-in span{display:inline-flex;align-items:center;gap:48px}
  .marquee-in em{font-style:normal;color:var(--orange-700);font-size:.6em}
  @keyframes mq{to{transform:translateX(-50%)}}


  /* portfolio + reviews marquees */
  .pf-rows{display:grid;gap:18px;margin-top:4px}
  .pf-row{overflow:hidden;padding-block:14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
  .pf-track{display:flex;gap:18px;width:max-content;animation:pfmove 75s linear infinite;will-change:transform}
  .pf-row.rev .pf-track{animation-direction:reverse;animation-duration:85s}
  .pf-row:hover .pf-track,.pf-row:focus-within .pf-track{animation-play-state:paused}
  @keyframes pfmove{to{transform:translateX(-50%)}}
  .pf-card{width:clamp(240px,26vw,340px);flex:none;display:grid;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 18px 40px -26px rgba(60,40,20,.35);transition:transform .3s,box-shadow .3s}
  .pf-card:hover{transform:translateY(-6px);box-shadow:0 28px 50px -24px rgba(255,122,26,.5)}
  .pf-bar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#F3EDE4;border-bottom:1px solid var(--line)}
  .pf-bar i{width:8px;height:8px;border-radius:50%;background:#D9D2C6}
  .pf-bar i:nth-child(1){background:#FF8A65}.pf-bar i:nth-child(2){background:#FFC44A}.pf-bar i:nth-child(3){background:#9CCC65}
  .pf-bar b{margin-left:auto;font-family:var(--mono);font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:.04em;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .pf-card img{width:100%;height:auto;aspect-ratio:440/280;object-fit:cover;object-position:top;display:block}
  .pf-name{padding:12px 14px 14px;font-weight:600;font-size:.92rem;line-height:1.35;color:var(--fg)}
  .pf-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:28px}
  .pf-hint{font-family:var(--mono);font-size:.82rem;letter-spacing:.06em;color:var(--muted)}
  .rv-card{width:clamp(220px,24vw,320px);flex:none;appearance:none;border:1px solid var(--line);background:var(--card);border-radius:18px;padding:10px;box-shadow:0 18px 40px -26px rgba(60,40,20,.4);cursor:zoom-in;transition:transform .3s,box-shadow .3s}
  .rv-card:nth-child(odd){transform:rotate(-1.2deg)}.rv-card:nth-child(even){transform:rotate(1.2deg)}
  .rv-card:hover{transform:rotate(0) scale(1.05);box-shadow:0 28px 50px -24px rgba(255,122,26,.5);z-index:1;position:relative}
  .rv-card img{width:100%;height:auto;aspect-ratio:440/280;object-fit:cover;border-radius:10px;display:block}
  .lb{position:fixed;inset:0;z-index:80;background:rgba(20,16,12,.82);display:grid;place-items:center;padding:24px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
  .lb[hidden]{display:none}
  .lb img{max-width:min(92vw,960px);max-height:88vh;width:auto;height:auto;border-radius:14px;box-shadow:0 40px 90px rgba(0,0,0,.5);background:#fff}
  .lb-x{position:absolute;top:18px;right:18px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;color:#141416;font-size:26px;line-height:1;cursor:pointer}
  @media (max-width:760px){.pf-card{width:230px}.rv-card{width:210px}}

  /* news */
  .nw-head{display:grid;grid-template-columns:1fr auto;gap:18px 40px;align-items:end;max-width:none}
  .nw-head .lead{max-width:26em;text-align:right}
  .nw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .nw-card{display:grid;grid-template-rows:auto 1fr;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 18px 40px -26px rgba(60,40,20,.35);transition:transform .3s,box-shadow .3s}
  .nw-card:hover{transform:translateY(-6px);box-shadow:0 28px 50px -24px rgba(255,122,26,.5)}
  .nw-pic{display:block;aspect-ratio:16/9;overflow:hidden;background:#F3EDE4}
  .nw-pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
  .nw-card:hover .nw-pic img{transform:scale(1.04)}
  .nw-body{display:grid;gap:10px;padding:18px 20px 20px;align-content:start}
  .nw-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;color:var(--muted)}
  .nw-meta b{color:var(--orange-text);font-weight:500}.nw-meta em{font-style:normal}
  .nw-title{font-weight:700;font-size:1.08rem;line-height:1.4;color:var(--fg);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .nw-desc{color:var(--muted);font-size:.92rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .nw-more{font-weight:600;color:var(--orange-600,#E5631A);font-size:.92rem}
  ul.nw-more{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
  ul.nw-more li a{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:baseline;padding:14px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;font-weight:500}
  ul.nw-more li a:hover span{color:var(--orange-600,#E5631A)}
  ul.nw-more li a em{font-style:normal;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
  @media (max-width:900px){.nw-grid{grid-template-columns:1fr}.nw-head{grid-template-columns:1fr}.nw-head .lead{text-align:left}}

  /* ---- IA v2 (18 Oct) ---- */
  .proof{padding-block:clamp(40px,5vw,64px) 0}
  .proof-in{display:grid;gap:22px}
  .proof-head{display:grid;gap:10px}
  .proof-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem)}
  .proof-nums{grid-template-columns:repeat(4,1fr);border-top:0;gap:0 24px}
  .proof-nums .num{padding:14px 0 22px;border-bottom:0;border-top:1px solid var(--line)}
  .proof-nums .num b{font-size:clamp(1.7rem,2.8vw,2.5rem)}
  @media (max-width:900px){.proof-nums{grid-template-columns:1fr 1fr}}
  .grid-wrap{padding-top:8px}
  .grid-head{margin-bottom:18px}
  .grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
  .grid-cards .card{width:auto;min-height:0;text-decoration:none;color:inherit;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative}
  .grid-cards .card:hover{transform:translateY(-6px);box-shadow:0 28px 50px -26px rgba(255,122,26,.45);border-color:rgba(255,122,26,.4)}
  .grid-cards .card.lite{padding-top:26px;background:#FBF8F2}
  .card-more{margin-top:auto;font-weight:600;color:var(--orange-text);font-size:.92rem}
  .auto-wrap{margin-top:clamp(40px,6vw,72px)}
  .auto-head{display:grid;gap:10px;margin-bottom:20px}
  .auto-head h3{font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:700}
  .auto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .auto-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:grid;gap:8px;border-top:3px solid var(--orange)}
  .auto-card b{font-size:1.02rem}.auto-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}
  @media (max-width:900px){.auto-grid{grid-template-columns:1fr 1fr}}
  @media (max-width:560px){.auto-grid{grid-template-columns:1fr}}
  .cases{margin-top:clamp(40px,6vw,72px)}
  .cases-head{display:grid;gap:10px;margin-bottom:20px}
  .cases-head h3{font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:700}
  .case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .case{display:grid;grid-template-rows:auto 1fr;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 18px 40px -26px rgba(60,40,20,.35);transition:transform .3s,box-shadow .3s}
  .case:hover{transform:translateY(-6px);box-shadow:0 28px 50px -24px rgba(255,122,26,.5)}
  .case img{width:100%;aspect-ratio:440/280;object-fit:cover;display:block}
  .case-body{display:grid;gap:6px;padding:16px 18px 18px;align-content:start}
  .case-body em{font-style:normal;font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;color:var(--orange-text)}
  .case-body b{font-size:1.05rem}.case-body p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}
  .case-body .metric{margin-top:6px;display:inline-block;font-weight:600;font-size:.86rem;color:#B4410A;background:#FFF1E6;border-radius:999px;padding:4px 10px;justify-self:start}
  @media (max-width:900px){.case-grid{grid-template-columns:1fr 1fr}}
  @media (max-width:560px){.case-grid{grid-template-columns:1fr}}
  .work-rows{margin-top:22px}
  .work-pic{margin:0;flex:none;width:clamp(220px,22vw,300px);background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 14px 30px -24px rgba(60,40,20,.4)}
  .work-pic img{width:100%;aspect-ratio:440/280;object-fit:cover;display:block}
  .work-pic figcaption{font-size:.8rem;color:var(--muted);padding:8px 12px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .steps4{list-style:none;margin:0 0 6px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
  .steps4 li{display:grid;gap:4px;padding:14px 14px 16px;background:var(--card);border:1px solid var(--line);border-radius:14px}
  .steps4 b{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;color:var(--orange-text)}
  .steps4 span{font-weight:700}.steps4 p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.5}
  @media (max-width:900px){.steps4{grid-template-columns:1fr 1fr}}
  .rfq-fields{display:grid;gap:12px}
  .rfq textarea{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--fg);resize:vertical;min-height:84px}
  .consent{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;font-size:.86rem;color:var(--muted);line-height:1.5}
  .consent input[type=checkbox],.rfq .consent input[type=checkbox],.erp-lead .consent input[type=checkbox]{margin-top:0;width:24px;min-width:24px;height:24px;accent-color:var(--orange-600);flex:0 0 auto;padding:0}
  .rfq-err{margin:0;color:#B3261E;font-size:.9rem;font-weight:500}
  .rfq .hint,.erp-lead .hint{display:block;font-size:.78rem;line-height:1.45;font-weight:400;color:#5E5A53;margin:-1px 0 0}
  .consent .hint{grid-column:1/-1;margin:2px 0 0}
  .rfq input[aria-invalid="true"]+.hint,.erp-lead input[aria-invalid="true"]+.hint{color:#B3261E}
  .rfq input[aria-invalid="true"],.rfq select[aria-invalid="true"]{border-color:#B3261E;box-shadow:0 0 0 3px rgba(179,38,30,.12)}
  .contact a{color:inherit;text-decoration:none}.contact a:hover{color:var(--orange-600,#E5631A)}
  /* nav burger */
  .burger{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);cursor:pointer;place-items:center;gap:5px;padding:0}
  .burger i{display:block;width:20px;height:2px;background:#141416;border-radius:2px;transition:transform .25s,opacity .25s}
  .burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger[aria-expanded="true"] i:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  @media (max-width:1180px){
    .burger{display:grid}
    .menu{display:none;position:absolute;left:var(--gutter);right:var(--gutter);top:calc(100% + 8px);flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
    .menu.open{display:flex}
    .menu a{display:block;padding:12px 14px;font-size:1.02rem}
    .nav .btn{display:none}
  }
    .rail a:focus-visible{outline:3px solid #141416;outline-offset:2px}
  .mq-toggle{font:inherit;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer}
  .mq-toggle:hover{border-color:var(--orange);color:#141416}
  .pf-rows.paused .pf-track{animation-play-state:paused}
  .mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom,0px));background:rgba(247,243,236,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);grid-template-columns:1fr 1fr 1.6fr;gap:8px}
  .mbar a{display:grid;place-items:center;padding:12px 8px;border-radius:12px;border:1px solid var(--line);background:var(--card);text-decoration:none;color:#141416;font-weight:600;font-size:.92rem}
  .mbar a.solid{background:var(--orange);border-color:var(--orange);color:#141416}
  @media (max-width:760px){.mbar{display:grid}body{padding-bottom:72px}}
  /* media deck (stacked posters) */
  .deck{background:var(--ink)}
  .deck-stack{display:grid;gap:24px;max-width:960px;margin-inline:auto}
  .deck-card{position:sticky;top:calc(88px + env(safe-area-inset-top,0px));display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;transform-origin:top center;will-change:transform;box-shadow:0 24px 60px -28px rgba(60,40,20,.35)}
  .deck-card .txt{background:var(--card)}
  .deck-card .pic{aspect-ratio:1;background:var(--ink-800)}
  .deck-card .pic img{width:100%;height:100%;object-fit:cover}
  .deck-card .txt{padding:clamp(22px,3vw,40px);display:grid;gap:14px;align-content:center}
  .deck-card .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;color:var(--orange-text)}
  .deck-card h3{font-size:clamp(1.4rem,2.6vw,2.2rem);font-weight:700}
  .deck-card p{margin:0;color:var(--muted);font-size:.95rem}
  .deck-card .use{display:flex;flex-wrap:wrap;gap:6px}
  .deck-card .use span{font-size:.88rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
  .deck-card:nth-child(2){top:calc(104px + env(safe-area-inset-top,0px))}
  .deck-card:nth-child(3){top:calc(120px + env(safe-area-inset-top,0px))}
  .deck-card:nth-child(4){top:calc(136px + env(safe-area-inset-top,0px))}
  .deck-card:nth-child(5){top:calc(152px + env(safe-area-inset-top,0px))}
  @media (max-width:760px){.deck-card{grid-template-columns:1fr;position:relative;top:auto!important}.deck-card .pic{aspect-ratio:1}}

  /* campaign / contact */
  .camp{background:var(--ink-900);position:relative;overflow:hidden}
  .camp-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,80px);align-items:center}
  .camp-media{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:3/4;max-width:100%;max-height:80vh;box-shadow:0 40px 80px -30px rgba(255,122,26,.45)}
  .camp-media img{width:100%;height:100%;object-fit:cover}
  .camp-media .badge{position:absolute;top:18px;left:18px;font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;padding:8px 12px;border-radius:999px;background:rgba(10,10,10,.55);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px)}
  .camp-copy{display:grid;gap:24px}
  .contact{display:grid;gap:12px}
  .contact-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(20,20,22,.03)}
  .contact-row .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;min-width:64px}
  .contact-row b{font-family:var(--display);font-size:1.35rem;font-weight:700;letter-spacing:.02em;user-select:all}
  .copy{margin-left:auto;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--paper);cursor:pointer}
  .copy:hover{border-color:var(--orange)}
  .rfq{display:grid;gap:12px;padding:22px;border-radius:18px;background:var(--ink);border:1px solid var(--line)}
  .rfq label{font-size:.8rem;color:var(--muted);display:grid;gap:6px}
  .rfq input,.rfq select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--ink-900);color:var(--paper);font-family:var(--body);font-size:.95rem}
  .rfq input:focus,.rfq select:focus,.rfq textarea:focus{outline:2px solid var(--orange-text);outline-offset:1px}
  .rfq-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .rfq-done{display:none;padding:14px 16px;border-radius:12px;background:rgba(255,196,74,.18);border:1px solid rgba(229,99,26,.4);color:#9A4A0C;font-size:.9rem}
  .rfq.sent .rfq-done{display:block}
  .rfq.sent .rfq-fields{display:none}
  @media (max-width:900px){.camp-grid{grid-template-columns:1fr}.camp-media{order:-1;aspect-ratio:4/5;max-height:none}.rfq-row{grid-template-columns:1fr}}

  /* footer */
  footer{background:var(--ink-800);border-top:1px solid var(--line)}
  .foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:56px 32px}
  .foot h4,.foot h3.ft-h{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange-text);margin:0 0 14px;font-weight:600;line-height:1.4}
  .foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:.92rem;color:var(--muted)}
  .foot a{text-decoration:none}
  .foot a:hover{color:var(--paper)}
  .foot-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;padding-block:18px 32px;border-top:1px solid var(--line);font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;color:var(--muted)}
  @media (max-width:900px){.foot{grid-template-columns:1fr 1fr}}
  @media (max-width:520px){.foot{grid-template-columns:1fr}}

  /* reveal-on-view: driven by IntersectionObserver (independent of scroll math / pin spacing) */
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
  .reveal.in,.no-io .reveal{opacity:1;transform:none}
  .journey i.fill{transition:transform .6s ease}
  .jstep .dot{transition:border-color .3s,color .3s}
  @media (prefers-reduced-motion:reduce){
    .reveal,.step,.hero h1 .line>span{opacity:1;transform:none;transition:none}
    .hero-slide{transition:none}.hero-tabs button i::after{transition:none}
    .steps{display:block}.step{margin-bottom:28px}
    .story-bg .paper,.story-bg video{display:none}.story-bg img{transform:none}
    .marquee-in,.scroll-cue i,.pf-track{animation:none}
    .pf-track{flex-wrap:wrap;width:auto}.pf-track>:nth-child(n+7){display:none}.rv-card{transform:none}
    .journey i.fill{transform:none}
    html{scroll-behavior:auto}
  }

  /* short desktop screens: keep chapter 1 copy + status card inside one viewport */
  @media (min-width:901px) and (max-height:820px){
    .story-pin{padding-block:88px 56px}
    .step h3{font-size:clamp(1.8rem,3.6vw,3rem)}
    .step p{font-size:.95rem}
    .doc-card{gap:10px}
    .doc-foot{display:none}
    .doc-title{font-size:.88rem}
  }

  /* ---- type scale v2 (18 Oct): one scale for the whole page — xs .82 / sm .9 / base 1 / md 1.125 / lg 1.35 / xl clamp / display ----
     rules below intentionally come last so they win over the per-section sizes above */
  .card .k,.deck-card .k,.contact-row .k,footer h4,footer .ft-h,.sp-num,.pf-bar b,.nw-meta,.case-body em,.steps4 b,.infra-item .k,.hero-stats div,.story-progress .sp-num{font-size:.82rem;letter-spacing:.08em}
  footer h4,footer .ft-h{font-weight:600}
  .chap{font-size:.95rem;letter-spacing:.08em;gap:12px}
  .chap b{font-size:1.5rem;font-weight:700;letter-spacing:0;line-height:1}
  .eyebrow,.track-hint,.pf-hint{font-size:.9rem;letter-spacing:.08em}
  .hero .eyebrow{font-size:.95rem}
  h2{font-weight:700}
  .sec h2,.plat h2,.camp h2{font-size:clamp(1.9rem,3.8vw,3.3rem)}
  .step h3{font-size:clamp(1.7rem,3.2vw,2.8rem);font-weight:700}
  .proof h2{font-size:clamp(1.6rem,2.4vw,2.1rem)}
  .auto-head h3,.cases-head h3{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700}
  .grid-cards .card h3,.infra-item h3,.jstep h3{font-size:clamp(1.25rem,1.6vw,1.5rem);font-weight:700}
  .deck-card h3{font-size:clamp(1.35rem,2vw,1.8rem)}
  .nw-title,.case-body b,.auto-card b{font-size:1.08rem;font-weight:700;line-height:1.4}
  .pf-name{font-size:.95rem;font-weight:600}
  .steps4 span{font-size:1rem;font-weight:700}
  .lead{font-size:clamp(1.05rem,1.2vw,1.2rem);line-height:1.65}
  .card p,.infra-item p,.jstep p,.deck-card p,.step p{font-size:.95rem;line-height:1.6}
  .auto-card p,.case-body p,.nw-desc,footer p,footer li,.card li,.deck-card .use span{font-size:.9rem;line-height:1.55}
  .steps4 p{font-size:.88rem}
  .card-more{font-size:.9rem}
  /* numbers: never uppercase, tabular, bold only where they are the hero of the block */
  .hero-stats b{text-transform:none;font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:0}
  .proof-nums .num b{font-weight:700;font-size:clamp(1.8rem,2.6vw,2.4rem);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
  .contact-row b{font-size:1.35rem;letter-spacing:0;font-variant-numeric:tabular-nums}
  .nw-meta em,.jstep .dot,.sp-num b{font-variant-numeric:tabular-nums}
  /* controls */
  .btn{font-size:.95rem}
  .nav .btn{font-size:.9rem}
  .rfq label{font-size:.88rem;font-weight:500;color:#3F3B35}
  .rfq input,.rfq select,.rfq textarea{font-size:1rem}
  .consent{font-weight:400}
  #menu a{font-size:.95rem;font-weight:500}
  @media (max-width:760px){
    .chap b{font-size:1.3rem}
    .proof-nums .num b{font-size:1.7rem}
    .hero-stats b{font-size:1.3rem}
  }
  /* type scale v2b: nothing customer-facing below .78rem (12.5px) */
  .sp-skip,.sp-btn,.contact-row .copy,.mq-toggle{font-size:.8rem;letter-spacing:.06em}
  .foot h4,footer h4,.foot .ft-h,footer .ft-h{font-size:.82rem;letter-spacing:.08em}
  .foot-bottom span{font-size:.8rem}
  .brand small{font-size:.75rem;letter-spacing:.12em}
  .camp-media .badge,.poster .cap,.doc-head .doc-k,.story-tag span{font-size:.78rem;letter-spacing:.08em}
  .doc-steps li em{font-size:.78rem}
  /* ---- contact scene: layered, each object floats on its own + mouse parallax (18 Oct) ---- */
  .scene{container-type:inline-size;perspective:1200px;--px:0px;--py:0px}
  .scene .scene-base{width:100%;height:100%;object-fit:cover;display:block;translate:calc(var(--px) * .25) calc(var(--py) * .25);transition:translate .5s ease-out}
  .scene-tile,.scene-tag{position:absolute;left:var(--x);top:var(--y);translate:calc(var(--px) * var(--d,1)) calc(var(--py) * var(--d,1));transition:translate .5s ease-out;will-change:transform}
  .scene .scene-tile{width:var(--w);height:auto;object-fit:contain;pointer-events:none;filter:drop-shadow(0 14px 18px rgba(90,50,20,.22))}
  .scene-tag{font-family:var(--body);font-weight:600;font-size:max(.75rem, calc(3.1cqw * var(--s,1)));line-height:1;white-space:nowrap;color:#C4480C;background:rgba(255,252,247,.92);border:1px solid rgba(255,255,255,.9);border-radius:999px;padding:.55em .9em .55em .75em;box-shadow:0 10px 24px -10px rgba(90,50,20,.35);display:inline-flex;align-items:center;gap:.45em;cursor:default}
  .scene-tag::before{content:"";width:.42em;height:.42em;border-radius:50%;background:var(--orange);flex:none}
  .scene-tag:hover{background:#fff;color:#A8380A}
  @media (prefers-reduced-motion:reduce){.scene-base,.scene-tile,.scene-tag{translate:none;transition:none}}
  /* scene inside a cover-fitted background: tiles are positioned by JS (layoutScene) in image space */
  .plat-bg.scene{perspective:none}
  .plat-bg.scene .scene-tile{z-index:1;filter:drop-shadow(0 10px 14px rgba(90,50,20,.18))}
  .plat-bg.scene .scene-base{translate:calc(var(--px) * .15) calc(var(--py) * .15)}
  /* ---- NEW: AS Cloud ERP explainer: full-bleed 3D office + glass copy panel ---- */
  .erp{position:relative;padding:0;min-height:clamp(680px,96vh,960px);overflow:hidden;background:radial-gradient(ellipse at 62% 55%,#FFE7D1 0%,#F7F1E7 50%,#F7F3EC 100%)}
  .erp-stage{position:absolute;inset:0;z-index:0}
  .erp-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity 1.2s ease}
  .erp-stage.live canvas{opacity:1}
  .erp-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%;display:block;transition:opacity 1.2s ease}
  .erp-stage.live .erp-poster{opacity:0}
  .erp-tag{position:absolute;right:18px;bottom:18px;z-index:2;font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;padding:6px 10px;border-radius:999px;background:rgba(20,20,22,.55);color:#fff;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
  .erp-prog{position:absolute;left:0;right:0;top:0;height:3px;background:rgba(20,20,22,.08);overflow:hidden;opacity:0;transition:opacity .3s;z-index:2}
  .erp-stage.playing .erp-prog{opacity:1}
  .erp-prog i{display:block;height:100%;width:100%;background:var(--orange);transform:scaleX(0);transform-origin:left}
  .erp-box{position:relative;z-index:1;display:flex;align-items:center;min-height:inherit;padding-block:clamp(28px,4vw,56px);pointer-events:none}
  .erp-copy{pointer-events:auto;width:min(100%,460px);display:grid;gap:10px;align-content:start;padding:clamp(18px,2vw,26px);border-radius:24px;background:rgba(255,252,247,.68);border:1px solid rgba(255,255,255,.75);box-shadow:0 30px 80px -40px rgba(60,40,20,.35),inset 0 1px 0 rgba(255,255,255,.8);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2)}
  .erp-copy .lead{margin:0;font-size:.92rem;line-height:1.55}
  .erp-copy h2{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.15}
  .erp-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
  .pill-soon{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:#B4410A;border:1px solid #FF9A4A;border-radius:999px;padding:4px 10px;background:#FFF1E6}
  .erp-tabs{display:grid;gap:5px;margin-top:2px}
  .erp-tabs button{appearance:none;text-align:left;font:inherit;background:rgba(255,255,255,.5);border:1px solid rgba(0,0,0,.06);border-radius:12px;padding:7px 12px;display:grid;grid-template-columns:auto 1fr;gap:1px 10px;align-items:center;cursor:pointer;position:relative;overflow:hidden;transition:background .3s,border-color .3s;color:var(--fg)}
  .erp-tabs button b{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;color:var(--muted);font-weight:500}
  .erp-tabs button span{font-weight:700;font-size:.92rem}
  .erp-tabs button p{grid-column:2;margin:0;color:var(--muted);font-size:.84rem;line-height:1.5;max-height:0;opacity:0;overflow:hidden;transition:max-height .45s ease,opacity .35s}
  .erp-tabs button i{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--orange);transform:scaleX(0);transform-origin:left}
  .erp-tabs button[aria-selected="true"]{background:#fff;border-color:rgba(255,122,26,.5);box-shadow:0 14px 30px -24px rgba(255,122,26,.6)}
  .erp-tabs button[aria-selected="true"] b{color:var(--orange-text)}
  .erp-tabs button[aria-selected="true"] p{max-height:6em;opacity:1}
  .erp-tabs.playing button[aria-selected="true"] i{transform:scaleX(1);transition:transform var(--erp-dur,7s) linear}
  .erp-nav{display:flex;flex-wrap:wrap;gap:6px}
  .erp-cta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}
  .erp-lead{display:grid;gap:10px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
  .erp-lead[hidden]{display:none}
  .erp-lead label{display:grid;gap:6px;font-size:.86rem;font-weight:500;color:#3F3B35;line-height:1.35}
  .erp-lead input,.erp-lead select{width:100%;box-sizing:border-box;font-family:var(--body);font-size:.95rem;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#FFFDF9;color:var(--fg);appearance:auto}
  .erp-lead input::placeholder{color:#A39E95}
  .erp-lead input:focus,.erp-lead select:focus{outline:2px solid var(--orange-text);outline-offset:1px}
  .erp-lead .rfq-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .erp-lead label.consent{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:4px 10px;font-weight:400;color:var(--muted);font-size:.84rem;line-height:1.5}
  .erp-lead label.consent input{width:24px;height:24px;margin-top:0;padding:0;flex:0 0 auto;accent-color:var(--orange-600)}
  .erp-lead .btn{justify-self:start;padding:12px 22px;font-size:.95rem}
  .erp-cta .pf-hint{font-size:.8rem;line-height:1.4}
  @media (max-width:520px){.erp-lead .rfq-row{grid-template-columns:1fr}}
  .erp-scope{margin:18px 0 4px;padding:14px 16px;border:1px solid rgba(20,20,22,.14);border-left:3px solid var(--orange-700);border-radius:12px;background:rgba(255,255,255,.72)}
  .erp-scope b{display:block;font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-text);margin-bottom:8px}
  .erp-scope p{margin:0 0 6px;font-size:.88rem;line-height:1.6;color:#3F3B35}
  .erp-scope p:last-child{margin-bottom:0}
  .erp-scope em{font-style:normal;font-weight:600;color:#141416}
  @media (max-width:760px){.erp-scope p{font-size:.92rem}.erp-scope b{font-size:.8rem}}
  .erp-lead.sent .rfq-done{display:block}.erp-lead .rfq-done{display:none;color:#1A7F37;font-weight:600}
  .rail a.new::before{background:transparent;border:2px solid var(--orange-700);box-sizing:border-box}
  .rail a.new.on::before{background:var(--orange-700)}
  @media (max-width:900px){.erp{min-height:0}.erp-box{display:grid;padding-block:0 32px}.erp-stage{position:relative;inset:auto;aspect-ratio:4/3;margin:0 -16px 18px;border-radius:0}.erp-copy{width:100%;background:rgba(255,252,247,.92)}.erp-copy h2{font-size:clamp(1.5rem,6vw,2rem)}}
  /* hero slide without a clip yet: slow Ken Burns on the still while it is on */
  @keyframes heroKb{from{transform:scale(1.04) translate(0,0)}to{transform:scale(1.14) translate(-2.5%,-1.5%)}}
  .hero-slide.kb img{transform:scale(1.04)}
  .hero-slide.kb.on img{animation:heroKb 9s ease-out forwards}
  @media (prefers-reduced-motion:reduce){.hero-slide.kb.on img{animation:none}}
  /* mobile audit 19 ต.ค.: no text under 12px on phones */
  @media (max-width:760px){
    .brand small,.doc-live,.doc-head .doc-k,.doc-k,.doc-steps em{font-size:.76rem}
    .hero .eyebrow,.sp-btn,.sp-skip,.story-progress,.pf-bar b,.deck-card .k{font-size:.78rem}
    .pill-soon{font-size:.78rem}
    .eyebrow,.track-hint,.pf-hint,.sp-num,.card .k,.infra-item .k,.steps4 b,.case-body em,.nw-meta,.hero-stats div{font-size:.8rem}
    .story-tag span,.camp-media .badge,.poster .cap{font-size:.8rem}
  }