:root{
    --bg:        oklch(0.970 0.004 240);
    --bg-2:      oklch(0.950 0.006 240);
    --ink:       oklch(0.22 0.018 255);
    --ink-soft:  oklch(0.42 0.015 250);
    --ink-mute:  oklch(0.62 0.012 250);
    --rule:      oklch(0.88 0.010 250);

    /* cool / engineered accent palette */
    --c-rust:  oklch(0.55 0.135 250);  /* primary blue */
    --c-olive: oklch(0.58 0.100 180);  /* teal */
    --c-blue:  oklch(0.55 0.125 285);  /* indigo */
    --c-gold:  oklch(0.68 0.120 65);   /* amber */
    --c-plum:  oklch(0.55 0.130 145);  /* emerald */

    --acc: var(--c-rust);

    --serif-en: "Instrument Serif", "Times New Roman", serif;
    --serif-th: "Trirong", "Instrument Serif", serif;
    --sans-en:  "Geist", ui-sans-serif, system-ui, sans-serif;
    --sans-th:  "IBM Plex Sans Thai", "Geist", system-ui, sans-serif;
    --mono:     "JetBrains Mono", ui-monospace, Menlo, monospace;

    --serif: var(--serif-en);
    --sans:  var(--sans-en);
  }
  html[lang="th"]{--serif: var(--serif-th); --sans: var(--sans-th)}

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  html,body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.55;-webkit-font-smoothing:antialiased}
  body{overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--acc);color:var(--bg)}

  /* Scroll progress */
  .progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;
    background:linear-gradient(90deg, var(--c-rust), var(--c-olive), var(--c-blue), var(--c-gold), var(--c-plum));
    background-size:200% 100%;animation:gradMove 12s linear infinite;
  }
  @keyframes gradMove{to{background-position:200% 0}}

  /* Aurora mesh background */
  .bg-aurora{
    position:fixed;inset:0;pointer-events:none;z-index:-3;overflow:hidden;
  }
  .bg-aurora .blob{
    position:absolute;border-radius:50%;filter:blur(120px);
    opacity:.22;mix-blend-mode:multiply;
    will-change:transform;
  }
  .bg-aurora .blob.b1{background:var(--c-rust);  width:640px;height:640px;top:-160px;left:-160px; animation:drift1 40s ease-in-out infinite alternate}
  .bg-aurora .blob.b2{background:var(--c-blue);  width:720px;height:720px;top:240px; right:-220px;animation:drift2 46s ease-in-out infinite alternate}
  .bg-aurora .blob.b3{background:var(--c-olive); width:560px;height:560px;top:62%;   left:18%;   animation:drift3 52s ease-in-out infinite alternate}
  .bg-aurora .blob.b4{background:var(--c-plum);  width:500px;height:500px;top:88%;   right:6%;   animation:drift4 44s ease-in-out infinite alternate}
  .bg-aurora .blob.b5{background:var(--c-gold);  width:460px;height:460px;top:130%;  left:46%;   animation:drift1 48s ease-in-out infinite alternate}
  @keyframes drift1{from{transform:translate(0,0) scale(1)} to{transform:translate(70px,-50px) scale(1.12)}}
  @keyframes drift2{from{transform:translate(0,0) scale(1)} to{transform:translate(-60px,70px) scale(1.08)}}
  @keyframes drift3{from{transform:translate(0,0) scale(.96)} to{transform:translate(90px,-30px) scale(1.14)}}
  @keyframes drift4{from{transform:translate(0,0) scale(1.04)} to{transform:translate(-40px,-60px) scale(.94)}}

  /* Soft topographic wash — image-like layer */
  .bg-topo{
    position:fixed;inset:0;pointer-events:none;z-index:-2;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1600 1000' preserveAspectRatio='xMidYMid slice'><defs><linearGradient id='g1' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%23a8c0e0' stop-opacity='0.18'/><stop offset='1' stop-color='%23c8d8e8' stop-opacity='0'/></linearGradient></defs><g fill='none' stroke='%237590b8' stroke-width='1' stroke-opacity='0.10'><path d='M-50,260 Q300,180 700,260 T1650,260'/><path d='M-50,320 Q300,240 700,320 T1650,320'/><path d='M-50,380 Q300,300 700,380 T1650,380'/><path d='M-50,460 Q300,380 700,460 T1650,460'/><path d='M-50,560 Q300,480 700,560 T1650,560'/><path d='M-50,680 Q300,600 700,680 T1650,680'/><path d='M-50,820 Q300,740 700,820 T1650,820'/></g><ellipse cx='1200' cy='200' rx='600' ry='280' fill='url(%23g1)'/><ellipse cx='200' cy='800' rx='500' ry='240' fill='url(%23g1)'/></svg>");
    background-size:cover;background-position:center top;background-repeat:no-repeat;
    opacity:.7;
  }

  /* Grid background */
  body::after{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
    background-image:
      linear-gradient(to right, color-mix(in oklab, var(--ink) 4%, transparent) 1px, transparent 1px),
      linear-gradient(to bottom, color-mix(in oklab, var(--ink) 4%, transparent) 1px, transparent 1px);
    background-size: 100px 100px;
    -webkit-mask-image: radial-gradient(ellipse 900px 600px at 75% 0%, black, transparent 75%);
            mask-image: radial-gradient(ellipse 900px 600px at 75% 0%, black, transparent 75%);
    opacity:.32;
  }

  /* Grain */
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.025;mix-blend-mode:multiply;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  }

  /* ---------- top bar ---------- */
  .topbar{
    position:fixed;top:0;left:0;right:0;z-index:50;
    display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
    padding:16px 32px;
    font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);
    backdrop-filter:saturate(120%) blur(8px);
    background:color-mix(in oklab, var(--bg) 75%, transparent);
    border-bottom:1px solid transparent;
    transition:border-color .4s ease;
  }
  .topbar.scrolled{border-bottom-color:var(--rule)}
  .topbar .left{display:flex;gap:14px;align-items:center}
  .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--c-olive);box-shadow:0 0 0 0 color-mix(in oklab, var(--c-olive) 60%, transparent);animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 0 color-mix(in oklab, var(--c-olive) 50%, transparent)}50%{box-shadow:0 0 0 9px color-mix(in oklab, var(--c-olive) 0%, transparent)}}
  .topbar nav{display:flex;gap:22px;justify-content:center}
  .topbar nav a{position:relative;padding:4px 2px;transition:color .25s}
  .topbar nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.6,.2,.1,1)}
  .topbar nav a:hover{color:var(--ink)}
  .topbar nav a:hover::after{transform:scaleX(1)}
  .topbar .right{justify-self:end;display:flex;gap:16px;align-items:center}
  .topbar .clock{font-variant-numeric:tabular-nums}

  /* lang toggle */
  .lang{
    display:inline-flex;border:1px solid var(--rule);border-radius:999px;overflow:hidden;
    font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
    background:var(--bg);
  }
  .lang button{
    appearance:none;border:0;background:transparent;color:var(--ink-mute);
    padding:6px 12px;cursor:pointer;font:inherit;letter-spacing:inherit;text-transform:uppercase;
    transition:color .25s, background .25s;
  }
  .lang button.on{background:var(--ink);color:var(--bg)}
  .lang button:not(.on):hover{color:var(--ink)}

  /* ---------- layout ---------- */
  main{max-width:1240px;margin:0 auto;padding:0 32px}
  section{padding:120px 0;border-top:1px solid var(--rule);position:relative}
  section:first-of-type{border-top:0}

  /* section accents */
  #about      {--acc: var(--c-rust)}
  #experience {--acc: var(--c-olive)}
  #skills     {--acc: var(--c-blue)}
  #education  {--acc: var(--c-gold)}
  #contact    {--acc: var(--c-plum)}

  .section-head{
    display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:baseline;margin-bottom:64px;
  }
  .section-num{
    font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--acc);
    background:color-mix(in oklab, var(--acc) 12%, transparent);
    padding:7px 14px;border-radius:999px;
    align-self:start;justify-self:start;
    display:inline-flex;align-items:center;gap:8px;
  }
  .section-num::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc)}
  .section-title{
    font-family:var(--serif);font-weight:400;font-size:clamp(34px,4vw,52px);line-height:1.1;letter-spacing:-.01em;
  }
  .section-title em{font-style:italic;color:var(--acc)}

  /* binary / code decoration in hero */
  .hero .code-deco{
    position:absolute;pointer-events:none;
    font-family:var(--mono);font-size:10.5px;line-height:1.8;letter-spacing:.18em;
    color:color-mix(in oklab, var(--c-blue) 16%, transparent);
    white-space:pre;user-select:none;
  }
  .hero .code-deco.right{top:62%;right:0;text-align:right;animation:fadeIn 2s ease-out forwards;opacity:0;animation-delay:.6s}
  .hero .code-deco.left{bottom:36px;left:-8px;text-align:left;color:color-mix(in oklab, var(--c-olive) 22%, transparent);animation:fadeIn 2s ease-out forwards;opacity:0;animation-delay:.9s}
  @keyframes fadeIn{to{opacity:1}}

  /* ---------- hero ---------- */
  .hero{padding:150px 0 130px;border-top:0;position:relative}
  .hero .meta-row{
    display:flex;justify-content:space-between;align-items:flex-end;
    font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);
    margin-bottom:70px;flex-wrap:wrap;gap:12px;
  }
  .hero .meta-row .l,.hero .meta-row .r{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
  .hero .pill{
    padding:6px 12px;border-radius:999px;
    background:color-mix(in oklab, var(--c-olive) 14%, transparent);
    color:var(--c-olive);
  }

  .hero .name-row{
    display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end;
  }
  .hero h1{
    font-family:var(--serif);font-weight:400;
    font-size:clamp(58px, 12vw, 184px);line-height:.92;letter-spacing:-.02em;
    color:var(--ink);
  }
  /* portrait card */
  .portrait{
    width:clamp(170px, 20vw, 260px);
    display:flex;flex-direction:column;gap:12px;
    transform:translateY(8px);
    opacity:0;animation:portraitIn 1.2s .35s cubic-bezier(.2,.7,.1,1) forwards;
  }
  @keyframes portraitIn{to{opacity:1;transform:translateY(0)}}
  .portrait .avatar{
    width:100%;aspect-ratio:4 / 5;
    position:relative;overflow:hidden;border-radius:6px;
    background:
      radial-gradient(120% 80% at 20% 0%, color-mix(in oklab, var(--c-blue) 70%, var(--ink) 30%), transparent 60%),
      radial-gradient(120% 80% at 100% 100%, color-mix(in oklab, var(--c-rust) 80%, var(--ink) 20%), transparent 60%),
      linear-gradient(150deg, color-mix(in oklab, var(--c-rust) 65%, var(--ink) 35%), color-mix(in oklab, var(--c-blue) 65%, var(--ink) 35%));
    color: var(--bg);
    box-shadow: 0 1px 0 var(--rule), 0 24px 40px -28px color-mix(in oklab, var(--ink) 40%, transparent);
    transition: transform .5s cubic-bezier(.2,.7,.1,1);
    display:flex;
  }
  .portrait .avatar-bg{
    position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(to right, color-mix(in oklab, var(--bg) 18%, transparent) 1px, transparent 1px),
      linear-gradient(to bottom, color-mix(in oklab, var(--bg) 18%, transparent) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity:.7;
    -webkit-mask-image: linear-gradient(180deg, black, transparent 75%);
            mask-image: linear-gradient(180deg, black, transparent 75%);
  }
  .portrait .initials{
    position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    font-family:var(--serif);font-size:clamp(80px,12vw,150px);line-height:1;
    letter-spacing:-.04em;
    color: color-mix(in oklab, var(--bg) 96%, transparent);
    text-shadow: 0 2px 30px color-mix(in oklab, var(--ink) 40%, transparent);
  }
  html[lang="th"] .portrait .initials{font-family:var(--serif-th);font-size:clamp(70px,10vw,120px)}
  .portrait .avatar-label{
    position:absolute;left:14px;top:14px;right:14px;
    display:flex;justify-content:space-between;align-items:center;
    font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
    color: color-mix(in oklab, var(--bg) 80%, transparent);
    z-index:1;
  }
  html[lang="th"] .portrait .avatar-label{text-transform:none;letter-spacing:.04em;font-size:10px}
  .portrait .avatar-corner{position:absolute;width:14px;height:14px;border:1px solid color-mix(in oklab, var(--bg) 65%, transparent);pointer-events:none}
  .portrait .avatar-corner.tl{top:6px;left:6px;border-right:0;border-bottom:0}
  .portrait .avatar-corner.tr{top:6px;right:6px;border-left:0;border-bottom:0}
  .portrait .avatar-corner.bl{bottom:6px;left:6px;border-right:0;border-top:0}
  .portrait .avatar-corner.br{bottom:6px;right:6px;border-left:0;border-top:0}
  .portrait:hover .avatar{transform:translateY(-4px) rotate(-.6deg)}
  .portrait .pcap{
    display:flex;justify-content:space-between;align-items:center;gap:12px;
    font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);
  }
  .portrait .pcap .tag{padding:3px 8px;border-radius:999px;background:color-mix(in oklab, var(--c-rust) 12%, transparent);color:var(--c-rust)}
  html[lang="th"] .portrait .pcap{text-transform:none;letter-spacing:.06em;font-size:11px}

  /* dev prompt line */
  .prompt-line{
    margin-top:36px;display:inline-flex;align-items:center;gap:10px;
    font-family:var(--mono);font-size:13px;color:var(--ink-soft);
    padding:10px 16px;border:1px solid var(--rule);border-radius:8px;
    background:color-mix(in oklab, var(--ink) 3%, var(--bg));
  }
  .prompt-line .plabel{color:var(--c-rust)}
  .prompt-line .pcmd{color:var(--ink)}
  .prompt-line .parrow{color:var(--ink-mute)}
  .prompt-line .pres{color:var(--c-olive)}
  .prompt-line .pres::after{content:"▁";margin-left:4px;animation:blink 1s steps(2) infinite;color:var(--c-rust)}
  .hero h1 .line{display:block;overflow:hidden}
  .hero h1 .line span{display:inline-block;transform:translateY(110%);animation:rise 1.1s cubic-bezier(.2,.7,.1,1) forwards}
  .hero h1 .line:nth-child(2) span{animation-delay:.12s}
  .hero h1 em.c1{font-style:italic;color:var(--c-rust)}
  .hero h1 em.c2{font-style:italic;color:var(--c-blue)}
  html[lang="th"] .hero h1{font-size:clamp(44px, 8.5vw, 124px);line-height:1.02;letter-spacing:-.01em}
  html[lang="th"] .hero h1 .line span{white-space:nowrap}

  @keyframes rise{to{transform:translateY(0)}}

  .hero .role-row{
    display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;
    margin-top:56px;padding-top:28px;border-top:1px solid var(--rule);
  }
  .hero .role{font-family:var(--serif);font-style:italic;font-size:clamp(26px,3.2vw,42px);line-height:1.15;color:var(--ink-soft);max-width:720px}
  html[lang="th"] .hero .role{font-style:normal;font-family:var(--sans);font-weight:300}
  .hero .role .caret{display:inline-block;width:.5ch;height:1ch;background:var(--c-rust);transform:translateY(4px);margin-left:6px;animation:blink 1s steps(2) infinite}
  @keyframes blink{50%{opacity:0}}
  .hero .where{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);text-align:right;white-space:nowrap}
  .hero .where strong{display:block;color:var(--ink);font-weight:400;font-size:14px;letter-spacing:.04em;text-transform:none;font-family:var(--sans);margin-top:6px}

  /* color band — decorative shapes */
  .hero .shapes{position:absolute;top:96px;left:32px;display:flex;gap:8px;pointer-events:none;opacity:.85}
  .hero .shapes i{display:block;width:14px;height:14px;animation:float 6s ease-in-out infinite}
  .hero .shapes i:nth-child(1){background:var(--c-rust);border-radius:50%;animation-delay:0s}
  .hero .shapes i:nth-child(2){background:var(--c-olive);animation-delay:.4s}
  .hero .shapes i:nth-child(3){background:var(--c-blue);border-radius:50%;animation-delay:.8s}
  .hero .shapes i:nth-child(4){background:var(--c-gold);transform:rotate(45deg);animation-delay:1.2s}
  .hero .shapes i:nth-child(5){background:var(--c-plum);border-radius:50%;animation-delay:1.6s}
  @keyframes float{0%,100%{transform:translateY(0) rotate(var(--r,0deg))}50%{transform:translateY(-10px) rotate(var(--r,0deg))}}
  .hero .shapes i:nth-child(4){--r:45deg}

  /* marquee */
  .marquee{
    margin-top:90px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
    overflow:hidden;padding:18px 0;
    font-family:var(--serif);font-style:italic;font-size:34px;color:var(--ink-soft);
    -webkit-mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
            mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  }
  html[lang="th"] .marquee{font-style:normal;font-family:var(--sans-th);font-size:28px;font-weight:300}
  .marquee-track{display:flex;gap:48px;white-space:nowrap;animation:scroll 38s linear infinite;width:max-content}
  .marquee span.row{display:inline-flex;align-items:center;gap:48px}
  .marquee .star{font-family:var(--sans);font-style:normal;font-size:22px}
  .marquee .star.s1{color:var(--c-rust)}
  .marquee .star.s2{color:var(--c-olive)}
  .marquee .star.s3{color:var(--c-blue)}
  .marquee .star.s4{color:var(--c-gold)}
  @keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

  /* ---------- about ---------- */
  .about-grid{display:grid;grid-template-columns:200px 1fr 1fr;gap:48px}
  .about p{font-family:var(--serif);font-size:28px;line-height:1.4;color:var(--ink);font-weight:400;max-width:38ch}
  html[lang="th"] .about p{font-family:var(--sans-th);font-weight:300;font-size:22px;line-height:1.65}
  .about p em{font-style:italic;color:var(--c-rust)}
  html[lang="th"] .about p em{font-style:normal;font-weight:500;color:var(--c-rust)}
  .about .facts{display:grid;gap:0;align-content:start}
  .fact{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--rule);font-size:14px}
  .fact:last-child{border-bottom:1px solid var(--rule)}
  .fact dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);padding-top:3px}
  .fact dd{color:var(--ink)}

  /* ---------- experience tabs ---------- */
  .xp-tabs{
    display:grid;grid-template-columns:minmax(280px, 340px) 1fr;gap:64px;align-items:start;
  }
  .xp-tablist{
    display:flex;flex-direction:column;
    border-left:1px solid var(--rule);
  }
  .xp-tab{
    appearance:none;background:transparent;border:0;
    border-left:2px solid transparent;margin-left:-1px;
    font:inherit;text-align:left;cursor:pointer;
    display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:14px;
    padding:18px 20px;color:var(--ink-mute);
    transition:all .35s cubic-bezier(.2,.7,.1,1);
    position:relative;
  }
  .xp-tab:hover{color:var(--ink);background:color-mix(in oklab, var(--c-rust) 5%, transparent)}
  .xp-tab.active{
    color:var(--ink);
    border-left-color:var(--c-rust);
    background:color-mix(in oklab, var(--c-rust) 8%, transparent);
  }
  .xp-tab:focus-visible{outline:none;background:color-mix(in oklab, var(--c-rust) 10%, transparent)}
  .xp-tab .t-idx{
    font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--ink-mute);
  }
  .xp-tab.active .t-idx{color:var(--c-rust)}
  .xp-tab .t-main{display:flex;flex-direction:column;gap:4px;min-width:0}
  .xp-tab .t-org{
    font-family:var(--serif);font-size:20px;line-height:1.15;letter-spacing:-.01em;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  html[lang="th"] .xp-tab .t-org{font-family:var(--sans-th);font-size:16px;font-weight:500}
  .xp-tab .t-years{
    font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--ink-mute);
  }
  .xp-tab .t-dot{width:7px;height:7px;border-radius:50%;background:var(--rule)}
  .xp-tab .t-dot.now{
    background:var(--c-olive);
    box-shadow:0 0 0 0 color-mix(in oklab, var(--c-olive) 60%, transparent);
    animation:pulse 2.4s ease-in-out infinite;
  }

  /* Panels */
  .xp-panels{position:relative;min-height:380px}
  .xp-panel{display:none}
  .xp-panel.active{display:block;animation:panelIn .55s cubic-bezier(.2,.7,.1,1)}
  @keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

  .panel-head{margin-bottom:32px}
  .panel-title{display:flex;align-items:center;gap:18px;margin-bottom:10px;flex-wrap:wrap}

  /* monogram logo */
  .org-logo{
    --lg-c: var(--c-olive);
    flex-shrink:0;width:54px;height:54px;border-radius:12px;
    background:color-mix(in oklab, var(--lg-c) 11%, var(--bg));
    border:1px solid color-mix(in oklab, var(--lg-c) 28%, var(--rule));
    display:inline-flex;align-items:center;justify-content:center;
    font-family:var(--mono);font-size:13px;font-weight:500;
    letter-spacing:.08em;color:var(--lg-c);
    position:relative;overflow:hidden;
  }
  .org-logo.sm{width:32px;height:32px;border-radius:8px;font-size:10px}
  .org-logo .lg-i{position:relative;z-index:1}
  .org-logo .lg-img{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:7px;z-index:1}
  .org-logo .lg-img img{width:100%;height:100%;object-fit:contain;display:block}
  .org-logo .lg-corner{position:absolute;width:8px;height:8px;border:1px solid color-mix(in oklab, var(--lg-c) 35%, transparent);pointer-events:none}
  .org-logo .lg-corner.tl{top:4px;left:4px;border-right:0;border-bottom:0}
  .org-logo .lg-corner.br{bottom:4px;right:4px;border-left:0;border-top:0}

  /* subsection label */
  .subsection-label{
    margin-top:32px;margin-bottom:14px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--ink-mute);
  }
  html[lang="th"] .subsection-label{text-transform:none;letter-spacing:.04em;font-family:var(--sans-th);font-size:12px}
  .subsection-label .count{
    padding:3px 9px;border-radius:999px;
    background:color-mix(in oklab, var(--c-olive) 12%, transparent);
    color:var(--c-olive);
  }

  /* Web (managed websites) cards */
  .web-list{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:8px}
  .web-card{
    display:flex;align-items:center;gap:12px;padding:10px 14px;
    border:1px solid var(--rule);border-radius:8px;
    transition:all .3s ease;background:var(--bg);
    min-width:0;
  }
  .web-card:hover{
    border-color:color-mix(in oklab, var(--c-olive) 45%, var(--rule));
    background:color-mix(in oklab, var(--c-olive) 6%, transparent);
    transform:translateX(2px);
  }
  .web-fav{
    width:26px;height:26px;border-radius:6px;flex-shrink:0;
    background:var(--bg-2);
    display:inline-flex;align-items:center;justify-content:center;
    overflow:hidden;border:1px solid var(--rule);
  }
  .web-fav img{width:18px;height:18px;object-fit:contain}
  .web-name{
    flex:1;min-width:0;font-family:var(--mono);font-size:12px;color:var(--ink);
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  .web-arrow{font-family:var(--sans);color:var(--ink-mute);transition:transform .3s ease;flex-shrink:0}
  .web-card:hover .web-arrow{transform:translate(2px,-2px);color:var(--c-olive)}

  /* Client chips */
  .client-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px}
  .client-chip{
    display:flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;
    border:1px solid var(--rule);border-radius:999px;
    background:color-mix(in oklab, var(--c-olive) 4%, transparent);
    font-size:13px;color:var(--ink);
  }
  html[lang="th"] .client-chip{font-family:var(--sans-th)}
  .client-chip .org-logo{margin:0}

  @media (max-width: 680px){
    .web-list{grid-template-columns:1fr}
    .org-logo{width:46px;height:46px;font-size:12px;border-radius:10px}
    .panel-title{gap:14px}
  }
  .panel-years{
    display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap;
  }
  .years-big-p{
    font-family:var(--serif);font-size:44px;line-height:1;letter-spacing:-.02em;color:var(--ink);
    font-feature-settings:"tnum" 1;
  }
  html[lang="th"] .years-big-p{font-family:var(--sans-th);font-weight:400;font-size:36px}
  .years-big-p .dash{color:var(--ink-mute);margin:0 .15em}
  .years-big-p .end{color:var(--ink-soft)}

  .status{
    display:inline-flex;align-items:center;gap:7px;
    font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
    padding:5px 10px;border-radius:999px;
    border:1px solid var(--rule);color:var(--ink-mute);
  }
  .status.now{
    background:color-mix(in oklab, var(--c-olive) 14%, transparent);
    color:var(--c-olive);border-color:transparent;
  }
  .status .sdot{width:6px;height:6px;border-radius:50%;background:currentColor}
  .status.now .sdot{animation:pulse 2.4s ease-in-out infinite}

  .panel-org{
    font-family:var(--serif);font-weight:400;
    font-size:clamp(38px, 5vw, 60px);line-height:1.05;letter-spacing:-.02em;
    color:var(--ink);margin-bottom:10px;
  }
  html[lang="th"] .panel-org{font-family:var(--sans-th);font-size:clamp(28px,4vw,44px);font-weight:500;letter-spacing:0}
  .panel-role{
    font-family:var(--serif);font-style:italic;font-size:22px;line-height:1.3;color:var(--c-olive);
    margin-bottom:14px;
  }
  html[lang="th"] .panel-role{font-family:var(--sans-th);font-style:normal;font-weight:400;font-size:18px}
  .panel-place{
    font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--ink-mute);
  }
  .panel-desc{display:grid;gap:14px;color:var(--ink-soft);font-size:15.5px;line-height:1.7}
  html[lang="th"] .panel-desc{font-size:15px;line-height:1.85}
  .panel-desc p{position:relative;padding-left:22px}
  .panel-desc p::before{content:"";position:absolute;left:0;top:.7em;width:12px;height:1px;background:var(--c-olive)}

  .report-link{
    margin-top:14px;display:inline-flex;align-items:center;gap:10px;justify-self:start;
    padding:9px 14px;border-radius:8px;
    border:1px solid color-mix(in oklab, var(--c-olive) 35%, var(--rule));
    background:color-mix(in oklab, var(--c-olive) 8%, transparent);
    font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;
    color:var(--c-olive);
    transition:all .3s ease;
  }
  html[lang="th"] .report-link{text-transform:none;letter-spacing:.02em;font-family:var(--sans-th);font-size:13px}
  .report-link:hover{background:var(--c-olive);color:var(--bg);border-color:var(--c-olive)}
  .report-link .r-ic{font-size:14px;line-height:1}
  .report-link .r-arrow{font-family:var(--sans);transition:transform .3s ease}
  .report-link:hover .r-arrow{transform:translate(2px,-2px)}

  /* ---------- skills ---------- */
  .skills-grid{display:grid;grid-template-columns:200px 1fr;gap:48px}
  .skills-groups{display:grid;gap:48px}
  .skill-group h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:22px;display:flex;align-items:center;gap:10px}
  .skill-group h4::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gc, var(--c-blue))}
  .chips{display:flex;flex-wrap:wrap;gap:8px}
  .chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border:1px solid var(--rule);border-radius:999px;
    font-family:var(--mono);font-size:12px;color:var(--ink);
    background:var(--bg);transition:all .3s ease;cursor:default;
    opacity:0;transform:translateY(10px);
  }
  .chip.in{opacity:1;transform:translateY(0)}
  .chip:hover{background:var(--gc, var(--c-blue));color:var(--bg);border-color:var(--gc, var(--c-blue));transform:translateY(-2px)}
  .chip .bullet{width:5px;height:5px;border-radius:50%;background:var(--gc, var(--c-blue));opacity:.85;transition:background .3s}
  .chip:hover .bullet{background:var(--bg)}

  /* per-group color */
  .skill-group.g1{--gc: var(--c-rust)}
  .skill-group.g2{--gc: var(--c-blue)}
  .skill-group.g3{--gc: var(--c-gold)}

  /* ---------- education ---------- */
  .edu-list{display:grid;gap:0}
  .edu{display:grid;grid-template-columns:200px 1fr 1fr;gap:48px;padding:28px 0;border-top:1px solid var(--rule);transition:padding .35s ease, background .35s ease}
  .edu:last-child{border-bottom:1px solid var(--rule)}
  .edu:hover{padding-left:24px;background:color-mix(in oklab, var(--c-gold) 6%, transparent)}
  .edu .years{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);padding-top:6px}
  .edu .name{font-family:var(--serif);font-size:26px;line-height:1.2}
  html[lang="th"] .edu .name{font-family:var(--sans-th);font-size:22px;font-weight:500}
  .edu .detail{color:var(--ink-soft);font-size:14px;line-height:1.65}
  .edu .detail em{font-style:italic;color:var(--ink)}
  html[lang="th"] .edu .detail em{font-style:normal;font-weight:500}
  .edu .gpa{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--c-gold);margin-top:8px;display:inline-block;padding:4px 10px;border:1px solid color-mix(in oklab, var(--c-gold) 50%, transparent);border-radius:999px;background:color-mix(in oklab, var(--c-gold) 10%, transparent)}

  /* ---------- contact ---------- */
  .contact{padding:140px 0 80px}
  .contact h2{
    font-family:var(--serif);font-weight:400;font-size:clamp(56px,10vw,140px);line-height:.95;letter-spacing:-.02em;
  }
  html[lang="th"] .contact h2{font-size:clamp(44px,8vw,108px);line-height:1.1}
  .contact h2 em{font-style:italic;color:var(--c-plum)}
  html[lang="th"] .contact h2 em{font-style:normal;color:var(--c-plum)}
  .contact .links{
    margin-top:64px;display:grid;grid-template-columns:repeat(2,1fr);gap:0;
    border-top:1px solid var(--rule);
  }
  .clink{
    display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
    padding:28px 4px;border-bottom:1px solid var(--rule);
    transition:padding .35s ease, background .35s ease;position:relative;overflow:hidden;
  }
  .clink + .clink{border-left:1px solid var(--rule);padding-left:32px}
  .clink:hover{padding-left:24px;background:color-mix(in oklab, var(--c-plum) 6%, transparent)}
  .clink + .clink:hover{padding-left:48px}
  .clink .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute)}
  .clink .val{font-family:var(--serif);font-size:26px}
  html[lang="th"] .clink .val{font-family:var(--sans-th);font-size:22px;font-weight:400}
  .clink .arrow{font-family:var(--serif);font-size:26px;color:var(--ink-mute);transition:transform .35s ease, color .35s ease}
  .clink:hover .arrow{transform:translate(4px,-4px);color:var(--c-plum)}

  footer{
    margin-top:80px;padding:36px 0;border-top:1px solid var(--rule);
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);
  }

  /* ---------- reveal animations ---------- */
  .reveal{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.2,.7,.1,1), transform 1s cubic-bezier(.2,.7,.1,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

  /* ---------- responsive ---------- */

  /* Large desktop & up — keep defaults */

  /* Small laptop / large tablet landscape */
  @media (max-width: 1200px){
    main{padding:0 28px}
    section{padding:104px 0}
    .section-head{grid-template-columns:160px 1fr;gap:36px;margin-bottom:52px}
    .about-grid{grid-template-columns:160px 1fr 1fr;gap:36px}
    .xp{grid-template-columns:160px 1fr 1.05fr;gap:36px;padding:34px 0}
    .edu{grid-template-columns:160px 1fr 1fr;gap:36px}
    .skills-grid{grid-template-columns:160px 1fr;gap:36px}
    .hero{padding:140px 0 110px}
    .hero h1{font-size:clamp(56px,11.5vw,168px)}
    .panel-org{font-size:clamp(36px,4.5vw,52px)}
    .years-big-p{font-size:38px}
  }

  /* Tablet portrait */
  @media (max-width: 960px){
    main{padding:0 26px}
    section{padding:90px 0}
    .topbar{padding:14px 22px;gap:16px}
    .topbar nav{gap:16px}
    .topbar nav a{font-size:10px}
    .topbar .right{gap:12px}

    .section-head{grid-template-columns:1fr;gap:14px;margin-bottom:40px}
    .section-num{align-self:flex-start}
    .about-grid{grid-template-columns:1fr 1fr;gap:32px}
    .about-grid > div:first-child{display:none}
    .skills-grid{grid-template-columns:1fr;gap:24px}
    .skills-grid > div:first-child{display:none}

    /* xp tabs: horizontal scroll bar above panel */
    .xp-tabs{grid-template-columns:1fr;gap:28px}
    .xp-tablist{
      flex-direction:row;border-left:0;border-bottom:1px solid var(--rule);
      overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
      margin:0 -26px;padding:0 26px;
    }
    .xp-tablist::-webkit-scrollbar{display:none}
    .xp-tab{
      flex:0 0 auto;
      border-left:0;border-bottom:2px solid transparent;
      margin-left:0;margin-bottom:-1px;
      grid-template-columns:auto;gap:6px;
      padding:14px 18px;text-align:center;
      background:transparent;
      position:relative;
    }
    .xp-tab.active, .xp-tab:hover{
      background:transparent;
    }
    .xp-tab.active{border-bottom-color:var(--c-rust)}
    .xp-tab .t-main{align-items:center}
    .xp-tab .t-dot{position:absolute;top:10px;right:10px}

    .edu{grid-template-columns:140px 1fr;gap:14px 28px}
    .edu .detail{grid-column:1 / -1;padding-top:6px}

    .hero{padding:130px 0 90px}
    .hero h1{font-size:clamp(52px,11vw,128px)}
    .hero .role{font-size:clamp(22px,3.5vw,32px)}
    .marquee{font-size:28px}
    html[lang="th"] .marquee{font-size:22px}
    .contact h2{font-size:clamp(50px,9vw,108px)}
    .hero .code-deco.right{display:none}
  }

  /* Mobile */
  @media (max-width: 680px){
    main{padding:0 20px}
    section{padding:72px 0}
    .topbar{padding:12px 16px;grid-template-columns:auto 1fr auto;gap:10px}
    .topbar nav{display:none}
    .topbar .left span:nth-child(2){display:none}
    .topbar .right > span:first-child{display:none}
    .topbar .right{gap:10px}

    .section-head{margin-bottom:32px}
    .section-title{font-size:clamp(30px,8vw,40px)}
    .about-grid{grid-template-columns:1fr;gap:28px}
    .edu{grid-template-columns:1fr;grid-template-areas:none;gap:14px;padding:28px 0}
    .edu > *{grid-area:auto}
    .edu:hover{padding-left:0;padding-right:0;background:transparent}

    .xp-tab .t-org{font-size:15px;max-width:140px}
    .xp-tab{padding:12px 14px}
    .panel-org{font-size:clamp(28px,7vw,40px)}
    html[lang="th"] .panel-org{font-size:clamp(24px,6vw,32px)}

    /* Mobile: hide tab list, show all panels as a list */
    .xp-tablist{display:none}
    .xp-panels{min-height:0;display:grid;gap:0}
    .xp-panel{display:block;padding:36px 0;border-top:1px solid var(--rule);animation:none}
    .xp-panel:first-child{border-top:0;padding-top:8px}
    .xp-panel.active{animation:none}
    .panel-head{margin-bottom:22px}
    .panel-years{margin-bottom:16px;gap:12px}
    .years-big-p{font-size:30px}
    html[lang="th"] .years-big-p{font-size:24px}
    .years-big-p{font-size:32px}
    html[lang="th"] .years-big-p{font-size:26px}
    .panel-role{font-size:18px}
    .panel-desc{font-size:14.5px}

    .edu .name{font-size:22px}

    .hero{padding:108px 0 60px}
    .hero .meta-row{flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:36px;font-size:10px}
    .hero .meta-row .l,.hero .meta-row .r{flex-wrap:wrap}
    .hero h1{font-size:clamp(46px,15vw,84px)}
    .hero .name-row{grid-template-columns:1fr;gap:18px}
    .hero .role-row{grid-template-columns:1fr;margin-top:32px;padding-top:20px;gap:18px}
    .hero .role{font-size:clamp(19px,5vw,26px)}
    .hero .where{text-align:left}
    .hero .shapes{top:74px;left:20px}
    .hero .code-deco{display:none}
    .portrait{width:55%;max-width:220px;align-self:flex-end;margin-top:-14px}
    .prompt-line{font-size:11px;padding:8px 12px;flex-wrap:wrap;gap:8px}

    .marquee{font-size:22px;padding:14px 0}
    html[lang="th"] .marquee{font-size:18px}

    .about p{font-size:22px}
    html[lang="th"] .about p{font-size:18px}
    .fact{grid-template-columns:110px 1fr}

    .edu .name{font-size:22px}

    .contact{padding:96px 0 56px}
    .contact h2{font-size:clamp(40px,12vw,72px)}
    .contact .links{grid-template-columns:1fr;margin-top:44px}
    .clink{padding:22px 4px;grid-template-columns:auto 1fr auto;gap:14px}
    .clink + .clink{border-left:0;padding-left:4px}
    .clink:hover, .clink + .clink:hover{padding-left:18px}
    .clink .val{font-size:18px;word-break:break-all}
    html[lang="th"] .clink .val{font-size:18px}

    footer{flex-direction:column;align-items:flex-start;gap:12px;padding:28px 0}
  }

  /* Small mobile */
  @media (max-width: 400px){
    main{padding:0 16px}
    .topbar{padding:10px 14px}
    .lang button{padding:5px 9px;font-size:9.5px}
    .clock{font-size:9.5px}
    .hero{padding:96px 0 48px}
    .hero h1{font-size:clamp(42px,15vw,72px)}
    .hero .meta-row{font-size:9.5px}
    .marquee{font-size:20px}
    html[lang="th"] .marquee{font-size:16px}
    .portrait{width:60%;max-width:190px}
    .portrait .initials{font-size:64px}
    .panel-org{font-size:26px}
    .years-big-p{font-size:26px}
    .about p{font-size:19px}
  }

  /* Touch devices: disable hover states that get stuck */
  @media (hover: none){
    .xp:hover{padding-left:0;padding-right:0}
    .xp:hover::before{height:0}
    .xp:hover::after{width:0}
    .edu:hover{padding-left:0;background:transparent}
    .clink:hover{padding-left:4px;background:transparent}
    .clink + .clink:hover{padding-left:32px}
    .clink:hover .arrow{transform:none;color:var(--ink-mute)}
    .chip:hover{transform:none;background:var(--bg);color:var(--ink);border-color:var(--rule)}
    .chip:hover .bullet{background:var(--gc, var(--c-blue))}
    .portrait:hover .avatar{transform:none}
    .report-link:hover{background:color-mix(in oklab, var(--c-olive) 8%, transparent);color:var(--c-olive)}
  }

  /* Prefers reduced motion */
  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
    .reveal{opacity:1;transform:none}
  }

/* ── Back to top ─────────────────────────────────── */
.back-to-top{
  position:fixed;
  bottom:28px;right:28px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--ink);
  color:var(--bg);
  border:none;
  font-size:20px;
  line-height:1;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px oklch(0% 0 0 /.2);
  transition:opacity .25s,transform .25s,background .15s;
  z-index:900;
}
.back-to-top[hidden]{display:none}
@media(hover:hover){
  .back-to-top:hover{background:var(--acc);transform:translateY(-3px)}
}

/* ── Certificates ────────────────────────────────── */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin-top:40px;
}
.cert-card{
  background:var(--bg-2);
  border:1px solid var(--rule);
  border-radius:10px;
  cursor:pointer;
  overflow:hidden;
  padding:0;
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.cert-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .35s ease;
}
@media (hover:hover){
  .cert-card:hover{
    transform:translateY(-4px);
    box-shadow:0 12px 40px oklch(0% 0 0 /.12);
    border-color:var(--acc);
  }
  .cert-card:hover img{transform:scale(1.04)}
}

/* ── Lightbox ────────────────────────────────────── */
.lightbox{
  position:fixed;
  inset:0;
  background:oklch(0% 0 0 /.82);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:1000;
  padding:24px;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  animation:lb-in .2s ease both;
}
.lightbox[hidden]{display:none}
@keyframes lb-in{from{opacity:0}to{opacity:1}}
.lb-img{
  max-width:min(90vw,1200px);
  max-height:88vh;
  object-fit:contain;
  border-radius:6px;
  box-shadow:0 24px 80px oklch(0% 0 0 /.55);
  animation:lb-scale .25s ease both;
}
@keyframes lb-scale{from{transform:scale(.93)}to{transform:scale(1)}}
.lb-close{
  position:fixed;
  top:18px;
  right:22px;
  background:oklch(100% 0 0 /.12);
  border:1px solid oklch(100% 0 0 /.22);
  border-radius:50%;
  color:oklch(95% 0 0);
  cursor:pointer;
  font-size:22px;
  line-height:1;
  width:44px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .15s,transform .15s;
  z-index:1001;
}
.lb-close:hover{background:oklch(100% 0 0 /.25);transform:scale(1.1)}

@media(max-width:680px){
  .cert-grid{grid-template-columns:1fr}
}

/* ── Profile photo ───────────────────────────────── */
.avatar-photo{
  position:absolute;inset:0;
  width:100%;height:100%;
  z-index:0;
}
.avatar-photo img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center top;
  display:block;
}
.avatar:has(.avatar-photo) .avatar-bg{opacity:.15;z-index:1}
.avatar:has(.avatar-photo)::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,oklch(0% 0 0/.4) 0%,transparent 48%);
  z-index:2;
  pointer-events:none;
}
.avatar:has(.avatar-photo) .initials{display:none}
.avatar:has(.avatar-photo) .avatar-label{z-index:3;color:oklch(97% 0 0)}
.avatar:has(.avatar-photo) .avatar-corner{z-index:4}