@font-face{
  font-family:"Manrope";
  src:url("/assets/manrope.ttf") format("truetype");
  font-weight:200 800;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/inter.ttf") format("truetype");
  font-weight:100 900;font-style:normal;font-display:swap;
}
/* ---------- TOKENS ---------- */
:root{
  --radius:8px;
  --font-display:"Manrope",system-ui,sans-serif;
  --font-ui:"Inter",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Consolas,monospace;
  --blue:#2f6bff;
  --blue-ink:#1f4fd6;
  --violet:#8b5cf6;
  --rail-w:3px;
  --maxw:1180px;
  --header-h:64px;
}
[data-theme="dark"]{
  --bg:#101114;
  --bg-raised:#16181d;
  --bg-sunken:#0b0c0f;
  --ink:#f2f4f8;
  --ink-dim:#a6adba;
  --ink-faint:#6b7280;
  --rule:#262932;
  --rule-strong:#3a3e4a;
  --accent:#3d7bff;
  --accent-ink:#0a0f24;
  --accent-soft:rgba(61,123,255,.14);
  --violet:#9d74ff;
  --violet-soft:rgba(157,116,255,.14);
  --ok:#3ecf8e;
  --warn:#f5b04c;
  --shadow:0 8px 30px rgba(0,0,0,.45);
  --photo-filter:grayscale(1) contrast(1.05);
  color-scheme:dark;
}
[data-theme="light"]{
  --bg:#f3ecdd;
  --bg-raised:#faf5ea;
  --bg-sunken:#e9e0cd;
  --ink:#1d1a14;
  --ink-dim:#4f4a3e;
  --ink-faint:#8a8371;
  --rule:#ddd2ba;
  --rule-strong:#c4b795;
  --accent:#1f4fd6;
  --accent-ink:#ffffff;
  --accent-soft:rgba(31,79,214,.10);
  --violet:#6d3fd4;
  --violet-soft:rgba(109,63,212,.10);
  --ok:#127a52;
  --warn:#9a6206;
  --shadow:0 8px 26px rgba(60,50,25,.14);
  --photo-filter:grayscale(1) contrast(1.02);
  color-scheme:light;
}
/* ---------- RESET / BASE ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--font-ui);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background-color .3s ease,color .3s ease;
}
img,video{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.15}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
::selection{background:var(--accent);color:var(--accent-ink)}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-ink);
  padding:10px 16px;z-index:200;font-weight:600;border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:0}
/* ---------- LAYOUT ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.view{display:none}
.view.active{display:block;animation:viewIn .35s ease}
@keyframes viewIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.view.active{animation:none}}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;height:100%;padding:0 24px;
  display:flex;align-items:center;gap:20px;
}
.brand{
  display:flex;align-items:center;gap:10px;font-family:var(--font-display);
  font-weight:800;font-size:15px;color:var(--ink);letter-spacing:.02em;
}
.brand:hover{text-decoration:none}
.brand-mark{
  width:22px;height:22px;border-radius:4px;background:var(--accent);
  position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:5px;border-radius:2px;background:var(--accent-ink);
  clip-path:polygon(0 40%,60% 40%,60% 0,100% 50%,60% 100%,60% 60%,0 60%);
}
.main-nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.main-nav a{
  color:var(--ink-dim);font-size:13.5px;font-weight:600;padding:7px 11px;
  border-radius:6px;white-space:nowrap;
}
.main-nav a:hover{color:var(--ink);background:var(--bg-raised);text-decoration:none}
.main-nav a[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
.header-tools{display:flex;align-items:center;gap:8px;margin-left:8px}
.tool-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bg-raised);border:1px solid var(--rule);color:var(--ink-dim);
  border-radius:6px;padding:6px 10px;font-size:12.5px;font-weight:700;
  transition:border-color .2s,color .2s;
}
.tool-btn:hover{border-color:var(--rule-strong);color:var(--ink)}
.tool-btn svg{width:15px;height:15px}
.nav-toggle{display:none}
@media (max-width:900px){
  .main-nav{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;background:var(--bg);
    border-bottom:1px solid var(--rule);padding:10px 16px;gap:4px;
  }
  .main-nav.open{display:flex}
  .nav-toggle{display:inline-flex}
}
/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:700;font-size:14.5px;
  padding:13px 22px;border-radius:var(--radius);border:1px solid transparent;
  transition:transform .15s ease,background .2s,border-color .2s,color .2s;
  text-decoration:none!important;
}
.btn:active{transform:translateY(1px)}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:color-mix(in srgb,var(--accent) 88%,#fff 12%)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule-strong)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:9px 15px;font-size:13px}
.icon-link{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius);
  border:1px solid var(--rule-strong);color:var(--ink-dim);
  transition:border-color .2s,color .2s,transform .15s;
}
.icon-link:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.icon-link svg{width:19px;height:19px}
/* ---------- SIGNAL RAIL ---------- */
.rail-section{position:relative;padding:56px 0 40px}
.rail-head{display:flex;align-items:baseline;gap:14px;margin-bottom:30px;flex-wrap:wrap}
.rail-head h2{font-size:22px}
.rail-hint{font-size:12.5px;color:var(--ink-faint);font-family:var(--mono)}
.signal-rail{position:relative;padding-left:34px}
.signal-rail::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:var(--rail-w);
  background:var(--rule-strong);border-radius:2px;
}
.signal-rail::after{
  content:"";position:absolute;left:8px;top:6px;width:5px;height:88px;border-radius:4px;
  background:linear-gradient(to bottom,transparent,var(--accent),var(--violet),transparent);
  filter:drop-shadow(0 0 7px var(--accent));animation:signalSweep 5.2s ease-in-out infinite;
}
@keyframes signalSweep{0%{top:-44px;opacity:0}12%{opacity:1}88%{opacity:1}100%{top:calc(100% - 44px);opacity:0}}
.rail-pulse{
  position:absolute;left:9px;width:var(--rail-w);height:56px;border-radius:2px;
  background:linear-gradient(to bottom,transparent,var(--accent) 30%,var(--violet) 70%,transparent);
  top:6px;transition:top .6s cubic-bezier(.6,0,.2,1);
}
.rail-pulse[data-step="0"]{top:6px}
.rail-pulse[data-step="1"]{top:calc(33.333% - 12px)}
.rail-pulse[data-step="2"]{top:calc(66.667% - 30px)}
.rail-pulse[data-step="3"]{top:calc(100% - 62px)}
@media (prefers-reduced-motion:reduce){.rail-pulse,.signal-rail::after{display:none}}
.rail-item{position:relative;padding:16px 0;border-bottom:1px solid var(--rule)}
.rail-item:last-child{border-bottom:none}
.rail-item::before{
  content:"";position:absolute;left:-31px;top:26px;width:13px;height:13px;
  border-radius:50%;background:var(--bg);border:3px solid var(--rule-strong);
  transition:border-color .4s,background .4s,box-shadow .4s;
}
.rail-item.active::before{
  border-color:var(--accent);background:var(--accent);
  box-shadow:0 0 0 5px var(--accent-soft);
}
.rail-link{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  color:var(--ink-dim);transition:color .3s;
}
.rail-link:hover{text-decoration:none;color:var(--ink)}
.rail-item.active .rail-link{color:var(--ink)}
.rail-index{font-family:var(--mono);font-size:12px;color:var(--ink-faint)}
.rail-item.active .rail-index{color:var(--accent)}
.rail-name{
  font-family:var(--font-display);font-weight:800;font-size:clamp(19px,2.4vw,26px);
  transition:color .3s;
}
.rail-item.active .rail-name{color:var(--ink)}
.rail-tag{
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  padding:3px 9px;border-radius:4px;background:var(--bg-raised);
  border:1px solid var(--rule);color:var(--ink-faint);
}
.rail-item.active .rail-tag{border-color:var(--accent);color:var(--accent)}
.rail-item[data-accent="violet"].active::before{border-color:var(--violet);background:var(--violet);box-shadow:0 0 0 5px var(--violet-soft)}
.rail-item[data-accent="violet"].active .rail-tag{border-color:var(--violet);color:var(--violet)}
.rail-item[data-accent="violet"].active .rail-index{color:var(--violet)}
.rail-desc{
  font-size:14px;color:var(--ink-dim);max-width:560px;margin-top:6px;
  max-height:0;overflow:hidden;opacity:0;transition:max-height .45s ease,opacity .4s ease;
}
.rail-item.active .rail-desc{max-height:90px;opacity:1}
@media (prefers-reduced-motion:reduce){.rail-desc{transition:none}}
/* ---------- HERO ---------- */
.hero{padding:64px 0 40px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);
  font-size:12px;color:var(--ink-faint);letter-spacing:.06em;text-transform:uppercase;
  margin-bottom:18px;
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.hero h1{
  font-size:clamp(44px,7vw,84px);font-weight:800;line-height:1.02;
  margin-bottom:14px;
}
.hero h1 .sig{color:var(--accent)}
.hero-role{
  font-family:var(--font-display);font-weight:700;font-size:clamp(17px,2.2vw,22px);
  color:var(--violet);margin-bottom:18px;
}
.hero-bio{max-width:560px;color:var(--ink-dim);font-size:16.5px;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.hero-icons{display:flex;gap:10px;margin-left:4px}
.hero-meta{
  margin-top:26px;font-family:var(--mono);font-size:12px;color:var(--ink-faint);
  display:flex;gap:18px;flex-wrap:wrap;
}
/* ---------- FEATURED MEDIA ---------- */
.featured{padding:8px 0 56px}
.featured-label{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:12px;display:flex;align-items:center;gap:10px;
}
.featured-label::after{content:"";flex:1;height:1px;background:var(--rule)}
.media-frame{
  position:relative;border:1px solid var(--rule-strong);border-radius:var(--radius);
  overflow:hidden;background:var(--bg-sunken);cursor:pointer;
}
.media-frame img,.media-frame video{width:100%;aspect-ratio:16/9;object-fit:cover}
.media-frame.is-playing img{display:none}
.media-frame.is-playing video{display:block}
.media-frame .media-badge{
  position:absolute;left:12px;bottom:12px;background:rgba(10,10,14,.78);color:#fff;
  font-family:var(--mono);font-size:11.5px;padding:5px 11px;border-radius:5px;
  display:flex;align-items:center;gap:7px;pointer-events:none;
}
.media-badge .rec{width:7px;height:7px;border-radius:50%;background:#ff5c5c}
.media-frame:hover{outline:2px solid var(--accent);outline-offset:-2px}
/* ---------- SECTION SHARED ---------- */
.section{padding:64px 0}
.section-rule{border-top:1px solid var(--rule)}
.section-title{font-size:clamp(26px,3.4vw,38px);margin-bottom:8px}
.section-sub{color:var(--ink-dim);max-width:620px;margin-bottom:36px}
.kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;display:block;
}
.kicker.violet{color:var(--violet)}
/* ---------- PROJECT ROWS (alternating) ---------- */
.proj-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:44px 0;border-top:1px solid var(--rule);
}
.proj-row:first-of-type{border-top:none}
.proj-row.flip .proj-media{order:2}
@media (max-width:820px){
  .proj-row{grid-template-columns:1fr;gap:24px}
  .proj-row.flip .proj-media{order:0}
}
.proj-media{border:1px solid var(--rule-strong);border-radius:var(--radius);overflow:hidden;background:var(--bg-sunken);position:relative}
.proj-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.proj-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s ease}
.proj-media.is-playing video{opacity:1}.proj-media.is-playing img{opacity:0}
.project-video-hint{position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:5px;background:rgba(8,9,13,.8);color:#fff;font-family:var(--mono);font-size:10px;pointer-events:none}.project-video-hint svg{width:13px;height:13px}.proj-media.is-playing .project-video-hint{opacity:0}
.proj-placeholder{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;color:var(--ink-faint);padding:20px;text-align:center;position:relative;isolation:isolate}
.proj-placeholder::before{content:"";position:absolute;inset:18%;z-index:-1;background:radial-gradient(circle at 28% 50%,var(--accent-soft),transparent 38%),radial-gradient(circle at 72% 50%,var(--violet-soft),transparent 38%);filter:blur(18px)}
a.proj-media:hover img{transform:scale(1.02)}
@media (prefers-reduced-motion:reduce){a.proj-media:hover img{transform:none}}
.proj-body h3{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.proj-body p{color:var(--ink-dim);margin-bottom:18px;max-width:480px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.tag{
  font-family:var(--mono);font-size:11.5px;padding:4px 10px;border-radius:4px;
  background:var(--bg-raised);border:1px solid var(--rule);color:var(--ink-dim);
}
/* ---------- PROJECT DETAIL ---------- */
.crumb{font-family:var(--mono);font-size:12.5px;color:var(--ink-faint);margin:28px 0 20px;display:flex;gap:8px;align-items:center}
.crumb a{color:var(--ink-dim)}
.detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.detail-head h1{font-size:clamp(30px,4.5vw,48px)}
.detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;margin-bottom:44px}
@media (max-width:820px){.detail-grid{grid-template-columns:1fr}}
.fact-block{border-top:2px solid var(--ink);padding-top:14px;margin-bottom:26px}
.fact-block h3{font-size:13px;text-transform:uppercase;letter-spacing:.1em;font-family:var(--mono);color:var(--ink-faint);margin-bottom:10px;font-weight:600}
.fact-block p,.fact-block li{color:var(--ink-dim);font-size:15px}
.fact-block ul{list-style:none}
.fact-block li{padding:7px 0 7px 20px;position:relative;border-bottom:1px dashed var(--rule)}
.fact-block li:last-child{border-bottom:none}
.fact-block li::before{content:"▸";position:absolute;left:0;color:var(--accent)}
.limit-note{
  border-left:3px solid var(--warn);background:color-mix(in srgb,var(--warn) 8%,transparent);
  padding:14px 18px;border-radius:0 var(--radius) var(--radius) 0;font-size:14px;
  color:var(--ink-dim);margin:24px 0;
}
/* flow diagram */
.flow-diagram{
  display:flex;align-items:stretch;gap:0;margin:28px 0;flex-wrap:wrap;
}
.flow-node{
  flex:1;min-width:140px;border:1.5px solid var(--rule-strong);border-radius:var(--radius);
  padding:18px 16px;background:var(--bg-raised);text-align:center;
  font-family:var(--font-display);font-weight:700;font-size:14px;
  display:flex;flex-direction:column;justify-content:center;gap:4px;
}
.flow-node small{font-family:var(--mono);font-weight:400;font-size:11px;color:var(--ink-faint)}
.flow-node.accent{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent-soft)}
.flow-node.violet{border-color:var(--violet);box-shadow:inset 0 0 0 1px var(--violet-soft);color:var(--violet)}
.flow-arrow{
  align-self:center;padding:0 10px;color:var(--ink-faint);font-family:var(--mono);
  font-size:18px;flex:none;
}
/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}
@media (max-width:720px){.gallery{grid-template-columns:1fr}}
.gallery figure{
  border:1px solid var(--rule-strong);border-radius:var(--radius);overflow:hidden;
  background:var(--bg-sunken);
}
.gallery button{border:none;background:none;padding:0;display:block;width:100%}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover}
.gallery figcaption{
  font-family:var(--mono);font-size:12px;color:var(--ink-dim);padding:10px 14px;
  border-top:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center;
}
.lightbox{
  position:fixed;inset:0;z-index:300;background:rgba(8,8,12,.9);
  display:none;align-items:center;justify-content:center;padding:32px;flex-direction:column;gap:14px;
}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,94vw);max-height:80vh;border-radius:var(--radius);border:1px solid var(--rule-strong)}
.lightbox-bar{display:flex;gap:10px;align-items:center}
.lightbox-bar button{background:var(--bg-raised);border:1px solid var(--rule-strong);color:#fff;border-radius:6px;padding:8px 14px;font-weight:600}
.lightbox-cap{color:#cfd3dc;font-family:var(--mono);font-size:13px}
/* terminal block (publisher) */
.term-block{
  background:var(--bg-sunken);border:1px solid var(--rule-strong);border-radius:var(--radius);
  overflow:hidden;margin:24px 0;font-family:var(--mono);font-size:13px;
}
.term-bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  border-bottom:1px solid var(--rule);color:var(--ink-faint);font-size:11.5px;
}
.term-bar .tdot{width:9px;height:9px;border-radius:50%;background:var(--rule-strong)}
.term-body{padding:16px 18px;line-height:1.75;color:var(--ink-dim);overflow-x:auto}
.term-body .c-ok{color:var(--ok)}
.term-body .c-warn{color:var(--warn)}
.term-body .c-acc{color:var(--accent)}
.term-body .c-dim{color:var(--ink-faint)}
/* ---------- GITHUB ACTIVITY ---------- */
.gh-status{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;
  padding:4px 11px;border-radius:4px;border:1px solid var(--rule);color:var(--ink-faint);
  margin-left:12px;vertical-align:middle;
}
.gh-status .dot{width:7px;height:7px;border-radius:50%}
.gh-status.live .dot{background:var(--ok)}
.gh-status.cache .dot{background:var(--warn)}
.gh-status.snap .dot{background:var(--violet)}
.gh-cal-wrap{overflow-x:auto;padding:18px;border:1px solid var(--rule);border-radius:var(--radius);background:var(--bg-raised)}
.gh-cal{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,11px);gap:3px;width:max-content}
.gh-cell{width:11px;height:11px;border-radius:2px;background:var(--bg-sunken)}
.gh-cell.l1{background:color-mix(in srgb,var(--accent) 30%,var(--bg-sunken))}
.gh-cell.l2{background:color-mix(in srgb,var(--accent) 55%,var(--bg-sunken))}
.gh-cell.l3{background:color-mix(in srgb,var(--accent) 80%,var(--bg-sunken))}
.gh-cell.l4{background:var(--accent)}
.gh-legend{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-faint);margin-top:12px;font-family:var(--mono)}
.gh-total{font-family:var(--mono);font-size:13px;color:var(--ink-dim);margin-top:14px}
/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}}
.photo-frame{
  border:1px solid var(--rule-strong);border-radius:var(--radius);overflow:hidden;
  position:relative;
}
.photo-frame img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  filter:var(--photo-filter);transition:filter .6s ease;
}
.photo-frame:hover img,.photo-frame:focus-within img{filter:none}
.photo-cap{
  position:absolute;left:0;right:0;bottom:0;padding:12px 16px;
  background:linear-gradient(transparent,rgba(8,8,12,.82));color:#fff;
  font-family:var(--mono);font-size:11.5px;
}
.honesty-box{
  border:1.5px solid var(--violet);border-radius:var(--radius);
  background:var(--violet-soft);padding:18px 20px;margin:26px 0;font-size:14.5px;
}
.honesty-box strong{color:var(--violet)}
.timeline{position:relative;border-left:2px solid var(--rule-strong);margin-top:24px}
.timeline::after{content:"";position:absolute;left:-3px;top:0;width:4px;height:74px;border-radius:4px;background:linear-gradient(to bottom,transparent,var(--accent),var(--violet),transparent);filter:drop-shadow(0 0 7px var(--violet));animation:timelineSweep 4.6s ease-in-out infinite;pointer-events:none}
@keyframes timelineSweep{0%{top:-37px;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:calc(100% - 37px);opacity:0}}
.tl-item{position:relative;padding:0 0 8px 28px}
.tl-item::before{
  content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:3px solid var(--accent);
}
.tl-item:nth-child(4)::before{border-color:var(--violet)}
.tl-toggle{
  background:none;border:none;color:var(--ink);font-family:var(--font-display);
  font-weight:700;font-size:17px;text-align:left;padding:6px 0;display:flex;gap:10px;align-items:baseline;width:100%;
}
.tl-toggle .tl-when{font-family:var(--mono);font-size:12px;color:var(--ink-faint);font-weight:400}
.tl-toggle .chev{margin-left:auto;transition:transform .3s;color:var(--ink-faint);flex:none}
.tl-item.open .chev{transform:rotate(180deg)}
.tl-body{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--ink-dim);font-size:14.5px}
.tl-item.open .tl-body{max-height:220px}
.tl-body p{padding:4px 0 16px}
/* ---------- EDUCATION / LIBRARY ---------- */
.edu-group{margin-bottom:44px}
.edu-group-head{
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
  font-family:var(--font-display);font-weight:800;font-size:19px;
}
.edu-count{
  font-family:var(--mono);font-size:11.5px;background:var(--bg-raised);
  border:1px solid var(--rule);border-radius:20px;padding:2px 10px;color:var(--ink-faint);
}
.edu-group-head .bar{position:relative;flex:1;height:2px;overflow:hidden;background:var(--rule)}
.edu-group-head .bar::after{content:"";position:absolute;top:0;bottom:0;width:22%;background:linear-gradient(90deg,transparent,currentColor,transparent);animation:barSweep 4s ease-in-out infinite}
@keyframes barSweep{from{left:-25%;opacity:.25}50%{opacity:1}to{left:105%;opacity:.25}}
.edu-group[data-status="done"] .edu-group-head{color:var(--ok)}
.edu-group[data-status="doing"] .edu-group-head{color:var(--accent)}
.edu-group[data-status="planned"] .edu-group-head{color:var(--violet)}
.course-list{list-style:none;display:grid;gap:10px}
.course-item{
  display:block;padding:0;
  border:1px solid var(--rule);border-radius:var(--radius);background:var(--bg-raised);
  overflow:hidden;
}
.course-details>summary{display:flex;align-items:center;gap:16px;padding:16px 20px;cursor:pointer;list-style:none}
.course-details>summary::-webkit-details-marker{display:none}
.course-details .ci-main{display:flex;flex-direction:column}
.course-expand{display:inline-flex;align-items:center;gap:7px;margin-left:auto;color:var(--accent);font-family:var(--mono);font-size:11.5px;white-space:nowrap}
.course-expand svg{width:15px;height:15px;transition:transform .25s ease}
.course-details[open] .course-expand svg{transform:rotate(180deg)}
.course-panel{padding:4px 20px 20px;border-top:1px solid var(--rule);background:var(--bg-sunken)}
.course-panel>p{padding:18px 0;color:var(--ink-faint);font-size:13px}
.course-modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;padding:14px 0 18px;list-style:none}
.course-modules li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:9px;padding:10px 0;border-bottom:1px solid var(--rule);color:var(--ink-dim);font-size:13px}
.course-modules li>span{color:var(--violet);font-family:var(--mono);font-size:10px;padding-top:3px}
.course-item .ci-main{flex:1;min-width:200px}
.course-item .ci-title{font-weight:700;font-family:var(--font-display);font-size:15.5px}
.course-item .ci-issuer{font-size:13px;color:var(--ink-faint);font-family:var(--mono)}
.cred-link{
  font-size:12.5px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:5px;
  border:1px solid var(--rule-strong);padding:6px 12px;border-radius:6px;white-space:nowrap;
}
.cred-link:hover{border-color:var(--accent);text-decoration:none}
.cred-link svg{width:13px;height:13px}
.carousel-controls{display:flex;gap:7px}.carousel-controls button{display:grid;width:32px;height:32px;place-items:center;border:1px solid var(--rule-strong);border-radius:6px;background:var(--bg-raised);color:var(--ink-dim)}.carousel-controls button:hover{border-color:currentColor;color:inherit}.carousel-controls svg{width:16px;height:16px}
.book-carousel{overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--rule-strong) transparent;cursor:grab;padding:2px 2px 18px}.book-carousel.dragging{cursor:grabbing;scroll-snap-type:none;user-select:none}.book-grid{display:flex;width:max-content;gap:18px}.book-carousel .book{width:158px;flex:0 0 158px;scroll-snap-align:start}
.book{
  border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;background:var(--bg-raised);
  display:flex;flex-direction:column;
}
.book-cover{
  aspect-ratio:2/3;background:var(--bg-sunken);display:flex;align-items:center;justify-content:center;
  padding:14px;text-align:center;border-bottom:1px solid var(--rule);overflow:hidden;
}
.book-cover img{width:100%;height:100%;object-fit:cover}
.book-cover .spine-title{font-family:var(--font-display);font-weight:800;font-size:13px;color:var(--ink-dim)}
.book[data-tone="1"] .book-cover{background:color-mix(in srgb,var(--accent) 12%,var(--bg-sunken))}.book[data-tone="2"] .book-cover{background:color-mix(in srgb,var(--violet) 14%,var(--bg-sunken))}.book[data-tone="3"] .book-cover{background:color-mix(in srgb,var(--ok) 11%,var(--bg-sunken))}.book[data-tone="4"] .book-cover{background:color-mix(in srgb,var(--warn) 10%,var(--bg-sunken))}.book[data-tone="5"] .book-cover{background:color-mix(in srgb,var(--ink-dim) 9%,var(--bg-sunken))}
.book-info{padding:12px 14px}
.book-info .b-title{font-weight:700;font-size:13.5px;font-family:var(--font-display);line-height:1.3}
.book-info .b-author{font-size:12px;color:var(--ink-faint);margin-top:3px}
.book-info a{font-size:11.5px;font-family:var(--mono)}
/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-group h3{
  font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--ink-faint);margin-bottom:16px;font-weight:600;
}
.link-list{list-style:none;display:grid;gap:10px}
.link-row{
  display:flex;align-items:center;gap:14px;padding:14px 18px;
  border:1px solid var(--rule);border-radius:var(--radius);background:var(--bg-raised);
  min-width:0;color:var(--ink);transition:border-color .2s,transform .15s;
}
.link-row:hover{border-color:var(--accent);text-decoration:none;transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.link-row:hover{transform:none}}
.link-row svg{width:18px;height:18px;color:var(--accent);flex:none}
.link-row .lr-label{min-width:0;overflow-wrap:anywhere;font-weight:700;font-family:var(--font-display);font-size:14.5px}
.link-row .lr-sub{font-size:12px;color:var(--ink-faint);font-family:var(--mono);margin-left:auto;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:45%}
.contact-group.secondary .link-row svg{color:var(--violet)}
.contact-group.secondary .link-row:hover{border-color:var(--violet)}
/* ---------- TERMINAL VIEW ---------- */
.term-shell{
  max-width:820px;margin:40px auto;border:1px solid var(--rule-strong);
  border-radius:var(--radius);background:var(--bg-sunken);overflow:hidden;
}
.term-screen{
  padding:22px 24px;font-family:var(--mono);font-size:13.5px;line-height:1.8;
  min-height:380px;max-height:60vh;overflow-y:auto;color:var(--ink-dim);
}
.term-screen .t-out{white-space:pre-wrap;word-break:break-word}
.term-screen .t-cmd{color:var(--ink)}
.term-screen .t-cmd::before{content:"everton@signal:~$ ";color:var(--ok)}
.term-input-row{display:flex;align-items:center;gap:10px;padding:14px 24px;border-top:1px solid var(--rule)}
.term-input-row .prompt{font-family:var(--mono);font-size:13.5px;color:var(--ok);white-space:nowrap}
.term-input-row input{
  flex:1;background:none;border:none;color:var(--ink);font-family:var(--mono);
  font-size:13.5px;outline:none;
}
/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid var(--rule);margin-top:40px;padding:36px 0 44px;
}
.footer-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;
  font-size:13px;color:var(--ink-faint);
}
.footer-inner .f-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-inner a{color:var(--ink-dim)}
.f-sig{font-family:var(--mono);font-size:11.5px}
/* utility */
.mt-2{margin-top:16px}.mt-4{margin-top:32px}
.is-hidden{display:none}
.activity-title{font-size:24px}
.about-intro{color:var(--ink-dim);font-size:16.5px;max-width:600px}
.timeline-title{font-size:20px;margin-top:32px}
.term-label{margin-left:8px}
.row-actions{display:flex;gap:10px;flex-wrap:wrap}
.detail-note{font-size:13px;color:var(--ink-faint);font-family:var(--mono)}
.detail-summary{color:var(--ink-dim);margin-top:10px;max-width:560px}
.text-ink{color:var(--ink)}
.chev{width:16px;height:16px}
.tag-row.flush{margin:0}
.video-detail{width:100%;border-radius:var(--radius);border:1px solid var(--rule-strong);background:#000}
@media (max-width:480px){
  .hero{padding-top:40px}
  .wrap{padding:0 18px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-icons{margin-left:0;width:100%}
  .course-details>summary{align-items:flex-start;flex-wrap:wrap}.course-details .tag-row{order:3;width:100%}.course-expand{margin-left:0}.course-modules{grid-template-columns:1fr}.book-carousel .book{width:132px;flex-basis:132px}
}
@media (prefers-reduced-motion:reduce){.timeline::after,.edu-group-head .bar::after{display:none}}
@media (max-width:340px){
  .header-inner{padding-left:14px;padding-right:14px;gap:8px}
  .brand{font-size:0;gap:0}
  .link-row{display:grid;grid-template-columns:18px minmax(0,1fr);gap:5px 12px}.link-row svg{grid-row:1 / span 2}.link-row .lr-sub{grid-column:2;max-width:100%;margin-left:0;text-align:left}
}