:root{
  --paper:#fbfaf7;
  --ink:#14181c;
  --muted:#616a74;
  --line:#e5e1d8;
  --accent:#2f6bff;
  --panel:rgba(255,255,255,.66);
  --panel-line:rgba(20,24,28,.08);
  --shadow:0 1px 2px rgba(20,24,28,.04), 0 12px 30px -18px rgba(20,24,28,.18);
  --dino:#14181c;
  --night:#2b3446;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#0e1116; --ink:#e9ecf1; --muted:#98a2ad; --line:#222830;
    --accent:#7ba0ff; --panel:rgba(20,24,31,.66); --panel-line:rgba(233,236,241,.08);
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -24px rgba(0,0,0,.8);
    --dino:#5d6a7a;
    --night:#8ea2c6;
  }
}
/* explicit user choice wins over the system preference */
:root[data-theme="light"]{
  --paper:#fbfaf7; --ink:#14181c; --muted:#616a74; --line:#e5e1d8; --accent:#2f6bff;
  --panel:rgba(255,255,255,.66); --panel-line:rgba(20,24,28,.08);
  --shadow:0 1px 2px rgba(20,24,28,.04), 0 12px 30px -18px rgba(20,24,28,.18);
  --dino:#14181c; --night:#2b3446;
}
:root[data-theme="dark"]{
  --paper:#0e1116; --ink:#e9ecf1; --muted:#98a2ad; --line:#222830; --accent:#7ba0ff;
  --panel:rgba(20,24,31,.66); --panel-line:rgba(233,236,241,.08);
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -24px rgba(0,0,0,.8);
  --dino:#5d6a7a; --night:#8ea2c6;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;padding-bottom:230px;background:var(--paper);color:var(--ink);
  font:16.5px/1.68 ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Noto Sans Thai",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}

/* ---------- the runner, quietly behind everything ---------- */
#dino{
  position:fixed;inset:auto 0 0 0;width:100%;height:210px;
  z-index:0;border:0;pointer-events:none;
  opacity:.34;
}
@media (max-width:640px){ #dino{height:150px;opacity:.3} }
@media (prefers-color-scheme: dark){ #dino{opacity:.4} }
/* soft wash so text stays readable over the running dinos */
.hilite{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(to bottom, var(--paper) 0%, rgba(251,250,247,.55) 45%, rgba(251,250,247,.12) 78%, rgba(251,250,247,0) 100%);
}
@media (prefers-color-scheme: dark){
  .hilite{background:linear-gradient(to bottom, var(--paper) 0%, rgba(14,17,22,.45) 55%, rgba(14,17,22,0) 100%)}
}

/* ---------- layout ---------- */
.wrap{max-width:820px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

.nav{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 86%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:62px}
.brand{font-weight:650;font-size:15px;letter-spacing:-.01em;margin-right:auto}
.nav nav{display:flex;gap:18px}
.nav nav a{font-size:14px;color:var(--muted);transition:color .15s}
.nav nav a:hover{color:var(--ink)}
.hint{font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:3px 9px;white-space:nowrap}
.iconbtn{background:var(--panel);border:1px solid var(--line);border-radius:9px;width:30px;height:30px;
  display:grid;place-items:center;font-size:13px;line-height:1;color:var(--muted);cursor:pointer;padding:0;
  transition:.15s;font-family:inherit}
.iconbtn:hover{color:var(--ink);border-color:var(--accent)}
.iconbtn[aria-pressed="true"]{color:var(--accent);border-color:var(--accent)}

/* light / dark switch */
.toggle{background:none;border:none;padding:0;cursor:pointer;line-height:0}
.toggle-track{position:relative;display:inline-flex;align-items:center;justify-content:space-between;
  width:56px;height:28px;border-radius:999px;border:1px solid var(--line);background:var(--panel);
  padding:0 6px;transition:.2s;box-shadow:inset 0 1px 2px rgba(0,0,0,.04)}
.toggle-knob{position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;
  background:var(--accent);transition:transform .22s cubic-bezier(.4,0,.2,1);opacity:.92}
.toggle-ico{position:relative;font-size:11px;color:var(--muted);z-index:1;line-height:1}
.toggle .sun{opacity:1;color:var(--paper)}
.toggle .moon{opacity:.55;color:var(--muted)}
:root[data-theme="dark"] .toggle-knob{transform:translateX(26px)}
:root[data-theme="dark"] .toggle .sun{opacity:.55;color:var(--muted)}
:root[data-theme="dark"] .toggle .moon{opacity:1;color:var(--paper)}
.toggle:hover .toggle-track{border-color:var(--accent)}

/* "play the dinosaur game" invitation */
.gamechip{display:flex;align-items:center;gap:10px;margin-top:18px;text-align:left;
  background:var(--panel);border:1px dashed var(--line);border-radius:12px;padding:10px 14px;
  font:inherit;font-size:13.2px;color:var(--muted);cursor:pointer;transition:.16s;max-width:640px}
.gamechip:hover{border-color:var(--accent);color:var(--ink)}
.gamechip strong{color:var(--ink);font-weight:600}
.gamechip .dino-dot{font-size:15px;line-height:1}
@media (max-width:520px){ .gamechip{font-size:12.4px} }
@media (max-width:720px){ .nav nav{display:none} }

/* ---------- hero ---------- */
.hero{padding:76px 0 44px}
.eyebrow{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.hero h1{font-size:clamp(34px,7vw,58px);line-height:1.04;margin:0 0 18px}
.lede{font-size:17.5px;color:var(--muted);max-width:64ch}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);
  border-radius:11px;padding:9px 15px;font-size:14.5px;transition:.16s;box-shadow:var(--shadow)}
.btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.06);color:#fff}

/* ---------- sections ---------- */
section{padding:38px 0;border-top:1px solid var(--line)}
section > h2{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  font-family:inherit;font-weight:600;margin:0 0 22px}
.panel{background:var(--panel);border:1px solid var(--panel-line);border-radius:16px;
  padding:20px 22px;box-shadow:var(--shadow);backdrop-filter:blur(7px)}

.entry{margin-bottom:30px}
.entry:last-child{margin-bottom:0}
.entry .head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.entry h3{font-size:20px;margin:0}
.entry .date{font-size:13px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.entry .role{font-size:14px;color:var(--muted);margin:3px 0 10px}
.entry ul{margin:0;padding-left:18px;color:var(--muted)}
.entry li{margin:6px 0}
.entry li strong{color:var(--ink);font-weight:600}

/* ---------- projects ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:660px){ .grid{grid-template-columns:1fr} }
.card{background:var(--panel);border:1px solid var(--panel-line);border-radius:14px;padding:18px;
  box-shadow:var(--shadow);backdrop-filter:blur(7px);transition:.18s;display:flex;flex-direction:column;gap:6px}
.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 40%,var(--panel-line))}
.card .kicker{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.card h3{font-size:18px;margin:2px 0 0}
.card p{font-size:14.4px;color:var(--muted)}
.card .stack{font-size:12px;color:var(--muted);opacity:.85;margin-top:auto;padding-top:6px}

/* ---------- awards ---------- */
ul.awards{list-style:none;margin:0;padding:0}
ul.awards li{display:flex;gap:16px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.6px;color:var(--muted)}
ul.awards li:last-child{border-bottom:none}
ul.awards li span{color:var(--ink);min-width:74px;font-variant-numeric:tabular-nums;font-size:13px}

footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:34px 0 70px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px}
.muted{color:var(--muted)}

/* game over toast */
#toast{
  position:fixed;left:50%;top:74px;transform:translate(-50%,-10px);
  background:var(--ink);color:var(--paper);border-radius:10px;padding:8px 13px;
  font-size:12.5px;font-variant-numeric:tabular-nums;z-index:6;opacity:0;
  white-space:nowrap;max-width:calc(100vw - 28px);
  transition:opacity .25s, transform .25s;pointer-events:none;box-shadow:var(--shadow)
}
#toast.show{opacity:.94;transform:translate(-50%,0)}

@media (max-width:640px){ body{padding-bottom:165px} }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .card:hover,.btn:hover{transform:none}
  #dino{display:none}
}

/* svg icons inside the toggle / chip */
.toggle-ico svg,.dino-dot svg{display:block}
.dino-dot{color:var(--accent)}

/* live score HUD (outside the dimmed canvas so it stays readable) */
#hudscore{
  position:fixed;right:16px;bottom:12px;z-index:2;pointer-events:none;
  font:600 13px/1 ui-monospace,SFMono-Regular,Menlo,ui-sans-serif,sans-serif;letter-spacing:.10em;
  color:var(--dino);opacity:.55;font-variant-numeric:tabular-nums;text-transform:lowercase;
  padding:0;border:0;background:none;box-shadow:none;backdrop-filter:none
}
@media (max-width:640px){ #hudscore{font-size:11.5px;right:10px;bottom:8px;opacity:.6} }
@media (max-width:640px){ #hudscore{font-size:13.5px;right:12px;bottom:12px;padding:6px 10px} }
@media (prefers-color-scheme: dark){ #hudscore{background:color-mix(in srgb,#0e1116 88%,transparent)} }
:root[data-theme="dark"] #hudscore{background:color-mix(in srgb,#0e1116 88%,transparent)}
@media (max-width:640px){ #hudscore{font-size:12px;right:12px;bottom:10px} }

/* sound button: swap icons via aria-pressed */
.spk-on{display:none}
.iconbtn[aria-pressed="true"] .spk-on{display:block}
.iconbtn[aria-pressed="true"] .spk-off{display:none}

/* play chip: two-line layout, controls smaller */
.gamechip{align-items:flex-start}
.chip-text{display:flex;flex-direction:column;gap:2px;line-height:1.45}
.chip-text em{font-style:normal;font-size:11.8px;opacity:.85}
@media (max-width:520px){
  .chip-text em{font-size:11px}
  .gamechip{padding:10px 12px;gap:8px}
}

@media (max-width:640px){ #toast{top:66px;font-size:11.4px;padding:6px 10px;max-width:calc(100vw - 28px)} }

/* slightly larger hit areas for the nav controls */
.iconbtn{width:34px;height:34px}
@media (max-width:520px){ .iconbtn{width:38px;height:38px} }

/* mobile typography */
@media (max-width:520px){
  .lede{font-size:16px}
  .hero h1{font-size:clamp(30px,8vw,42px)}
  .hero{padding:56px 0 34px}
}

/* ---------- multi-page structure ---------- */
.crumbs{font-size:12.5px;color:var(--muted);padding-top:18px;display:flex;gap:7px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.nav nav a.active{color:var(--ink);font-weight:600}
.nav .controls{display:flex;align-items:center;gap:8px;margin-left:4px}
.page-head{padding:34px 0 26px;border-top:none}
.page-head h1{font-size:clamp(26px,4.6vw,38px);line-height:1.15;margin:8px 0 14px;max-width:30ch}

.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:760px){ .cards3{grid-template-columns:1fr} }
.navcard{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--panel-line);
  border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:.18s;backdrop-filter:blur(7px)}
.navcard:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 45%,var(--panel-line))}
.navcard h3{font-size:19px;margin:2px 0 4px}
.navcard p{font-size:14px;color:var(--muted);margin:0}
.navcard .kick{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.navcard .go{margin-top:auto;padding-top:10px;font-size:13px;color:var(--accent)}

.contact-row{display:flex;align-items:center;gap:16px;padding:10px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.contact-row:last-of-type{border-bottom:none}
.contact-row .label{min-width:76px;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--accent)}
.sep{color:var(--line);margin:0 6px}
footer{border-top:1px solid var(--line);padding:26px 0 84px;font-size:13.5px;color:var(--muted)}

/* toolkit chips */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;background:color-mix(in srgb,var(--ink) 6%,transparent);
  border:1px solid var(--panel-line);color:var(--muted);border-radius:999px;padding:5px 11px;
  font-size:12.5px;line-height:1.2}
:root[data-theme="dark"] .tag{background:color-mix(in srgb,#fff 7%,transparent)}

/* featured card (Hermes Journey) */
.feature{display:grid;grid-template-columns:1.15fr 1fr;gap:0;align-items:stretch;
  background:var(--panel);border:1px solid var(--panel-line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);transition:.18s;backdrop-filter:blur(7px)}
.feature:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 45%,var(--panel-line))}
.feature img{width:100%;height:100%;object-fit:cover;display:block;background:#0b0d1a}
.feature-text{padding:22px 24px;display:flex;flex-direction:column;gap:7px;justify-content:center}
.feature-text .kicker{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--accent)}
.feature-text h3{font-size:20px;margin:0}
.feature-text p{font-size:14.2px;color:var(--muted);margin:0}
.feature-text .go{margin-top:6px;font-size:13px;color:var(--accent)}
@media (max-width:700px){
  .feature{grid-template-columns:1fr}
  .feature img{aspect-ratio:12/7;height:auto}
}

/* embedded figure on the Hermes page */
.embed{margin:0 0 18px}
.embed img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid var(--panel-line);
  box-shadow:var(--shadow);background:#0b0d1a}
.embed figcaption{margin-top:8px;font-size:12.5px;color:var(--muted);text-align:center}
.embed figcaption a{color:var(--accent)}

/* live embed of the Hermes map */
.embed-link{position:relative;display:block;border:1px solid var(--panel-line);border-radius:16px;
  overflow:hidden;box-shadow:var(--shadow);background:#0b0d1a;transition:.18s}
.embed-link:hover{border-color:var(--accent);transform:translateY(-1px)}
.embed-link img{width:100%;height:auto;display:block}
.embed-cta{position:absolute;right:14px;bottom:14px;background:rgba(10,8,25,.78);color:#fff;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 14px;font-size:13px;
  backdrop-filter:blur(6px)}
.foot-links .dot{color:var(--line);font-size:12px}
a.link{color:var(--accent);border-bottom:1px solid transparent}
a.link:hover{border-bottom-color:currentColor}

/* footer rhythm */
.foot-links{gap:8px}
.foot-links .muted{margin-left:6px}