/* ─────────────────────────────────────────────────────────────
   ACID / ART-LEBEDEV PORTFOLIO  —  styles
   ───────────────────────────────────────────────────────────── */
:root{
  --ink:#06060a;
  --paper:#f3f1e7;
  --acid:#c6ff00;
  --hot:#ff0059;
  --cyan:#00e5ff;
  --violet:#b14cff;
  --amber:#ffb000;
  --line:rgba(243,241,231,.18);
  --maxw:1280px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{background:var(--ink);color:var(--paper)}
body{
  font-family:"Space Grotesk","Noto Sans TC",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  cursor:none;
}
@media (pointer:coarse){ body{cursor:auto} }

a{color:inherit;text-decoration:none}
::selection{background:var(--acid);color:var(--ink)}

/* ── full-screen psychedelic shader ───────────────────────── */
#gl{
  position:fixed;inset:0;width:100vw;height:100vh;
  z-index:0;display:block;
}
/* readability scrim that breathes */
.scrim{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% -10%, transparent 40%, rgba(6,6,10,.55) 100%),
    linear-gradient(180deg, rgba(6,6,10,.30), rgba(6,6,10,.62));
  mix-blend-mode:multiply;
}
/* film grain */
.grain{
  position:fixed;inset:-50%;z-index:2;pointer-events:none;opacity:.10;
  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>");
  animation:grain 6s steps(8) infinite;mix-blend-mode:overlay;
}
@keyframes grain{
  0%{transform:translate(0,0)}10%{transform:translate(-4%,-2%)}20%{transform:translate(-8%,4%)}
  30%{transform:translate(4%,-6%)}40%{transform:translate(-2%,8%)}50%{transform:translate(-8%,2%)}
  60%{transform:translate(6%,4%)}70%{transform:translate(-4%,-8%)}80%{transform:translate(2%,6%)}
  90%{transform:translate(-6%,-2%)}100%{transform:translate(0,0)}
}

/* ── custom cursor ────────────────────────────────────────── */
.cur,.cur-dot{position:fixed;z-index:9999;pointer-events:none;top:0;left:0;will-change:transform}
.cur{width:42px;height:42px;margin:-21px 0 0 -21px;border:1.5px solid var(--acid);border-radius:50%;
  mix-blend-mode:difference;transition:width .2s,height .2s,margin .2s,background .2s,border-color .2s}
.cur-dot{width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--hot)}
.cur.is-hot{width:74px;height:74px;margin:-37px 0 0 -37px;background:var(--acid);border-color:var(--acid)}
@media (pointer:coarse){ .cur,.cur-dot{display:none} }

/* ── shell ────────────────────────────────────────────────── */
.wrap{position:relative;z-index:5;max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,48px)}
section{position:relative;z-index:5}
/* content melts/shears while scrolling fast (--sk driven by the shader loop) */
section,.marq,.foot{transform:skewY(var(--sk,0deg));transform-origin:50% 50%}
@media (prefers-reduced-motion:reduce){section,.marq,.foot{transform:none}}

/* ── top bar ──────────────────────────────────────────────── */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,48px);
  font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--paper);text-shadow:0 1px 14px rgba(0,0,0,.7),0 0 2px rgba(0,0,0,.5)}
.bar::before{content:"";position:absolute;left:0;right:0;top:0;height:190%;pointer-events:none;z-index:-1;
  background:linear-gradient(180deg,rgba(6,6,10,.92) 0%,rgba(6,6,10,.6) 45%,transparent 100%)}
.bar .brand{font-family:"Unbounded","Noto Sans TC";font-weight:900;letter-spacing:0;font-size:18px}
.bar nav{display:flex;gap:22px}
.bar nav a{position:relative;opacity:.95;transition:opacity .2s}
.bar nav a:hover{opacity:1}
.bar nav a::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--acid);transition:width .25s}
.bar nav a:hover::after{width:100%}
.bar-tools{display:flex;align-items:center;gap:12px}
.lang-btn{background:none;border:1px solid currentColor;color:inherit;border-radius:999px;padding:6px 12px;
  font:inherit;text-transform:uppercase;letter-spacing:.14em;cursor:none;
  transition:background .2s,color .2s,border-color .2s;line-height:1}
.lang-btn:hover{background:var(--acid);color:var(--ink);border-color:var(--acid)}
.menu-btn{display:none;background:none;border:1px solid currentColor;color:inherit;padding:6px 12px;font:inherit;text-transform:uppercase;letter-spacing:.18em;cursor:none}
@media (max-width:820px){
  .bar nav{position:fixed;inset:0;flex-direction:column;align-items:center;justify-content:center;gap:28px;
    background:var(--ink);mix-blend-mode:normal;font-size:20px;transform:translateY(-100%);transition:transform .45s cubic-bezier(.7,0,.2,1)}
  .bar nav.open{transform:translateY(0)}
  .menu-btn{display:block}
}

/* ── hero ─────────────────────────────────────────────────── */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:90px;padding-bottom:40px}
.kicker{font-family:"Space Mono","Noto Sans TC",monospace;font-size:clamp(11px,1.4vw,14px);letter-spacing:.35em;text-transform:uppercase;
  color:var(--acid);display:flex;gap:14px;align-items:center;margin-bottom:22px}
.kicker::before{content:"";width:clamp(40px,8vw,120px);height:2px;background:var(--acid);flex:none}
.giant{font-family:"Unbounded","Noto Sans TC";font-weight:900;line-height:.84;letter-spacing:-.03em;
  font-size:clamp(58px,15vw,230px);text-transform:uppercase}
.giant .l2{color:transparent;-webkit-text-stroke:2px var(--paper);text-stroke:2px var(--paper)}
@media(max-width:600px){.giant .l2{-webkit-text-stroke-width:1.2px}}
.giant em{font-style:normal;color:var(--hot)}

/* glitch */
.glitch{position:relative;display:inline-block}
.glitch::before,.glitch::after{content:attr(data-t);position:absolute;left:0;top:0;width:100%;
  clip-path:inset(0 0 0 0);opacity:.9;pointer-events:none}
.glitch::before{color:var(--cyan);transform:translate(-2px,0);animation:gl1 2.6s infinite steps(2)}
.glitch::after{color:var(--hot);transform:translate(2px,0);animation:gl2 3.1s infinite steps(2)}
@keyframes gl1{0%,92%,100%{clip-path:inset(0 0 100% 0)}93%{clip-path:inset(8% 0 78% 0)}96%{clip-path:inset(40% 0 38% 0)}}
@keyframes gl2{0%,90%,100%{clip-path:inset(100% 0 0 0)}91%{clip-path:inset(62% 0 18% 0)}97%{clip-path:inset(22% 0 56% 0)}}

.hero-foot{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-end;justify-content:space-between;margin-top:clamp(28px,5vw,56px)}
.lede{max-width:46ch;font-size:clamp(15px,1.7vw,20px);line-height:1.5;color:rgba(243,241,231,.86)}
.lede b{color:var(--acid);font-weight:700}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:"Space Mono","Noto Sans TC",monospace;text-transform:uppercase;
  letter-spacing:.12em;font-size:13px;padding:14px 22px;border:1.5px solid var(--paper);border-radius:999px;
  cursor:none;transition:transform .15s,background .2s,color .2s,border-color .2s;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-3px) rotate(-1deg)}
.btn.solid{background:var(--acid);color:var(--ink);border-color:var(--acid)}
.btn.solid:hover{background:var(--hot);border-color:var(--hot);color:var(--paper)}
.btn.ghost:hover{background:var(--paper);color:var(--ink)}

/* ── marquee ─────────────────────────────────────────────── */
.marq{position:relative;z-index:5;border-top:1.5px solid var(--line);border-bottom:1.5px solid var(--line);
  overflow:hidden;white-space:nowrap;background:rgba(6,6,10,.35);backdrop-filter:blur(2px)}
.marq .track{display:inline-flex;gap:42px;padding:16px 0;will-change:transform;animation:scroll 26s linear infinite}
.marq.rev .track{animation-direction:reverse}
.marq span{font-family:"Unbounded","Noto Sans TC";font-weight:900;text-transform:uppercase;font-size:clamp(22px,4vw,46px);letter-spacing:-.01em}
.marq .o{color:transparent;-webkit-text-stroke:1.5px var(--paper)}
.marq .star{color:var(--acid)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ── generic section head ────────────────────────────────── */
.head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin:clamp(70px,11vw,140px) 0 clamp(26px,4vw,46px)}
.head .no{font-family:"Space Mono","Noto Sans TC",monospace;color:var(--hot);font-size:clamp(13px,1.6vw,16px);letter-spacing:.2em}
.head h2{font-family:"Unbounded","Noto Sans TC";font-weight:900;text-transform:uppercase;letter-spacing:-.02em;
  font-size:clamp(34px,7vw,96px);line-height:.9}
.head .o{color:transparent;-webkit-text-stroke:1.6px var(--paper)}

.reveal{opacity:0;transform:translateY(38px) scale(.985);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ── summary blocks ──────────────────────────────────────── */
.prose{font-size:clamp(16px,1.9vw,22px);line-height:1.5;max-width:62ch;color:rgba(243,241,231,.9)}
.prose+.prose{margin-top:18px}
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(30px,5vw,54px);
  border:1.5px solid var(--line);border-radius:18px;overflow:hidden}
.tri .cell{padding:26px;border-right:1.5px solid var(--line);background:rgba(6,6,10,.34)}
.tri .cell:last-child{border-right:0}
.tri h4{font-family:"Unbounded","Noto Sans TC";font-weight:700;font-size:18px;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:10px}
.tri .cell:nth-child(1) h4{color:var(--acid)}
.tri .cell:nth-child(2) h4{color:var(--cyan)}
.tri .cell:nth-child(3) h4{color:var(--violet)}
.tri p{font-size:15px;line-height:1.5;color:rgba(243,241,231,.78)}
@media(max-width:780px){.tri{grid-template-columns:1fr}.tri .cell{border-right:0;border-bottom:1.5px solid var(--line)}.tri .cell:last-child{border-bottom:0}}

/* ── portrait / who is typing ────────────────────────────── */
.summary-grid{display:grid;grid-template-columns:minmax(250px,.82fr) 1.18fr;gap:clamp(26px,4.5vw,60px);align-items:center;margin-top:6px}
@media(max-width:820px){.summary-grid{grid-template-columns:1fr;gap:34px}}
.portrait{position:relative;transform-style:preserve-3d;will-change:transform}
.portrait .frame{position:relative;border-radius:22px;overflow:hidden;border:1.5px solid var(--acid);
  box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(177,76,255,.45),0 0 70px rgba(177,76,255,.28);
  transform:rotate(-2.2deg);transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s}
.portrait:hover .frame{transform:rotate(0) scale(1.015);box-shadow:0 36px 100px rgba(0,0,0,.6),0 0 0 1px var(--acid),0 0 95px rgba(198,255,0,.32)}
.portrait img{display:block;width:100%;height:auto;aspect-ratio:1090/1456;object-fit:cover}
.portrait .frame::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -10%,transparent 55%,rgba(6,6,10,.4));mix-blend-mode:multiply}
.portrait .badge{position:absolute;left:-12px;bottom:18px;z-index:3;font-family:"Unbounded","Noto Sans TC";font-weight:700;
  font-size:13px;letter-spacing:0;text-transform:uppercase;padding:11px 16px;background:var(--acid);color:var(--ink);
  border-radius:999px;transform:rotate(-3deg);box-shadow:0 12px 34px rgba(0,0,0,.45)}
.portrait .tagtop{position:absolute;right:-8px;top:-12px;z-index:3;font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;padding:8px 13px;background:var(--hot);color:var(--paper);
  border-radius:999px;transform:rotate(4deg);box-shadow:0 12px 30px rgba(0,0,0,.4)}
.summary-copy .prose:first-child{margin-top:0}

/* ── skills cloud ────────────────────────────────────────── */
.skills{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{font-family:"Space Mono","Noto Sans TC",monospace;font-size:14px;text-transform:uppercase;letter-spacing:.06em;
  padding:10px 16px;border:1.5px solid var(--line);border-radius:999px;cursor:none;
  transition:transform .15s,background .2s,color .2s,border-color .2s;background:rgba(6,6,10,.3)}
.chip:hover{transform:translateY(-4px) rotate(-2deg);background:var(--acid);color:var(--ink);border-color:var(--acid)}
.chip:nth-child(3n):hover{background:var(--hot);border-color:var(--hot);color:var(--paper)}
.chip:nth-child(3n+1):hover{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}

/* ── project grid ────────────────────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:780px){.grid{grid-template-columns:1fr}}
.card{position:relative;border:1.5px solid var(--line);border-radius:20px;padding:30px;
  background:rgba(6,6,10,.42);backdrop-filter:blur(3px);overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),border-color .25s,box-shadow .25s;
  transform-style:preserve-3d}
.card::before{content:"";position:absolute;inset:0;background:
  radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(198,255,0,.16), transparent 60%);
  opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover{border-color:var(--acid);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(198,255,0,.4)}
.card:hover::before{opacity:1}
.card .topline{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px}
.card h3{font-family:"Unbounded","Noto Sans TC";font-weight:700;font-size:clamp(19px,2.3vw,26px);line-height:1.04;text-transform:uppercase;letter-spacing:-.01em}
.card .status{flex-shrink:0;font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 11px;border-radius:999px;border:1px solid var(--line)}
.card .status.priv{color:var(--hot);border-color:var(--hot)}
.card .status.pub{color:var(--acid);border-color:var(--acid)}
.card .status.cw{color:var(--cyan);border-color:var(--cyan)}
.card p{font-size:15px;line-height:1.55;color:rgba(243,241,231,.82);margin-bottom:18px}
.card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.card .tags span{font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;letter-spacing:.05em;padding:5px 10px;
  border-radius:7px;background:rgba(243,241,231,.07);color:rgba(243,241,231,.8)}
.card .go{font-family:"Space Mono","Noto Sans TC",monospace;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:8px;color:var(--acid)}
.card .go .arr{transition:transform .2s}
.card:hover .go .arr{transform:translateX(6px)}
.card .muted{color:rgba(243,241,231,.55);font-style:italic}
.card .idx{position:absolute;right:18px;bottom:8px;font-family:"Unbounded","Noto Sans TC";font-weight:900;font-size:84px;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(243,241,231,.10);pointer-events:none;user-select:none}
/* flagship / featured project spans the full row */
.card.feature{grid-column:1/-1;border-color:rgba(198,255,0,.45);box-shadow:0 0 0 1px rgba(198,255,0,.25),0 24px 60px rgba(0,0,0,.45)}
.card.feature h3{font-size:clamp(24px,3.6vw,42px)}
.card.feature .status.pub{color:var(--ink);background:var(--acid);border-color:var(--acid)}
.feat-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(20px,3.2vw,44px);align-items:start;margin-top:4px}
@media(max-width:780px){.feat-grid{grid-template-columns:1fr;gap:18px}}
.feat-list{list-style:none;display:grid;gap:9px;margin:14px 0 0}
.feat-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.45;color:rgba(243,241,231,.85)}
.feat-list li::before{content:"▸";position:absolute;left:0;color:var(--acid)}

/* ── timeline (delivery + education) ──────────────────────── */
.time{border-left:2px solid var(--line);padding-left:0}
.tnode{position:relative;padding:0 0 34px 34px}
.tnode::before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--ink);border:2px solid var(--acid)}
.tnode:nth-child(2)::before{border-color:var(--cyan)}
.tnode:nth-child(3)::before{border-color:var(--violet)}
.tnode:nth-child(4)::before{border-color:var(--hot)}
.tnode:nth-child(5)::before{border-color:var(--amber)}
.tnode:nth-child(6)::before{border-color:var(--violet)}
.tnode:last-child{padding-bottom:0}
.tnode h4{font-family:"Unbounded","Noto Sans TC";font-weight:700;font-size:clamp(17px,2.1vw,23px);text-transform:uppercase;letter-spacing:-.01em;margin-bottom:8px}
.tnode .meta{font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--acid);margin-bottom:6px}
.tnode p{font-size:15px;line-height:1.55;color:rgba(243,241,231,.8);max-width:64ch}

/* ── spoken languages ────────────────────────────────────── */
.langs{margin-top:clamp(40px,6vw,72px)}
.langs .sublabel{font-family:"Space Mono","Noto Sans TC",monospace;font-size:13px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--hot);margin-bottom:22px}
.langbars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,42px)}
@media(max-width:780px){.langbars{grid-template-columns:1fr;gap:22px}}
.langbar .lt{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:11px}
.langbar .ln{font-family:"Unbounded","Noto Sans TC";font-weight:700;font-size:clamp(16px,2vw,22px);text-transform:uppercase;letter-spacing:-.01em}
.langbar .lv{font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--acid);white-space:nowrap}
.langbar .lmeter{height:6px;border-radius:999px;background:rgba(243,241,231,.14);overflow:hidden}
.langbar .lmeter i{display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--acid),var(--hot));transition:width 1.1s cubic-bezier(.2,.7,.2,1) .15s}
.langs.in .langbar .lmeter i{width:var(--p,80%)}

/* ── contact ─────────────────────────────────────────────── */
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1.5px solid var(--line);border-radius:18px;overflow:hidden}
@media(max-width:780px){.contact{grid-template-columns:1fr}}
.contact a{padding:34px 28px;border-right:1.5px solid var(--line);background:rgba(6,6,10,.34);
  display:flex;flex-direction:column;gap:8px;transition:background .25s,color .25s;cursor:none}
.contact a:last-child{border-right:0}
@media(max-width:780px){.contact a{border-right:0;border-bottom:1.5px solid var(--line)}.contact a:last-child{border-bottom:0}}
.contact .k{font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:rgba(243,241,231,.55)}
.contact .v{font-family:"Unbounded","Noto Sans TC";font-weight:700;font-size:clamp(16px,2vw,22px);word-break:break-word}
.contact a:hover{background:var(--acid);color:var(--ink)}
.contact a:nth-child(2):hover{background:var(--cyan)}
.contact a:nth-child(3):hover{background:var(--hot);color:var(--paper)}
.contact a:hover .k{color:inherit;opacity:.7}

/* ── footer ──────────────────────────────────────────────── */
.foot{padding:clamp(60px,9vw,120px) 0 50px;text-align:center}
.foot .big{font-family:"Unbounded","Noto Sans TC";font-weight:900;text-transform:uppercase;letter-spacing:-.02em;
  font-size:clamp(40px,12vw,160px);line-height:.86;color:transparent;-webkit-text-stroke:1.6px var(--paper)}
.foot .meta{margin-top:26px;font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(243,241,231,.6)}
.foot .meta a{color:var(--acid)}
.foot .mushroom{display:block;margin:0 auto clamp(22px,4vw,42px);width:clamp(150px,22vw,230px);height:auto;
  aspect-ratio:1/1;object-fit:cover;border-radius:50%;
  box-shadow:0 0 0 1.5px rgba(177,76,255,.5),0 0 70px rgba(177,76,255,.4),0 24px 60px rgba(0,0,0,.5);cursor:none}

.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:rgba(243,241,231,.6);
  display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint .ln{width:1px;height:34px;background:linear-gradient(var(--acid),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ── blog page ───────────────────────────────────────────── */
.blog-wrap{padding-top:clamp(120px,16vh,180px);padding-bottom:80px}
.post{max-width:1040px;border:1.5px solid var(--line);border-radius:22px;padding:clamp(26px,4vw,56px);
  background:rgba(6,6,10,.5);backdrop-filter:blur(4px);position:relative;overflow:hidden}
.post + .post{margin-top:26px}
.post-meta{font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--acid);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.post-meta .dot{color:var(--hot)}
.post-title{font-family:"Unbounded","Noto Sans TC";font-weight:900;text-transform:uppercase;letter-spacing:-.02em;
  font-size:clamp(28px,5vw,56px);line-height:.96;margin-bottom:24px}
.post-body p{font-size:clamp(16px,1.8vw,20px);line-height:1.62;color:rgba(243,241,231,.88);max-width:66ch}
.post-body p + p{margin-top:18px}
.post-body b{color:var(--acid);font-weight:700}
.post-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:24px}
.post-tags span{font-family:"Space Mono","Noto Sans TC",monospace;font-size:11px;letter-spacing:.05em;
  padding:5px 10px;border-radius:7px;background:rgba(243,241,231,.08);color:rgba(243,241,231,.8)}
.backlink{display:inline-flex;align-items:center;gap:8px;margin-top:42px;font-family:"Space Mono","Noto Sans TC",monospace;
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--acid);cursor:none}
.backlink .arr{transition:transform .2s}
.backlink:hover .arr{transform:translateX(-6px)}
/* blog post media */
.post-hero{margin:0 0 6px;border-radius:18px;overflow:hidden;border:1.5px solid var(--line)}
.post-hero img{display:block;width:100%;height:clamp(240px,46vh,520px);object-fit:cover;object-position:50% 66%}
.post-section{margin-top:40px}
.post-section h3{font-family:"Unbounded","Noto Sans TC";font-weight:700;text-transform:uppercase;letter-spacing:-.01em;
  font-size:clamp(20px,3vw,30px);margin-bottom:14px;color:var(--paper)}
.post-fig{margin:24px 0 6px}
.post-fig img{display:block;width:100%;height:auto;border-radius:16px;border:1.5px solid var(--line)}
.post-fig.tall{max-width:560px;margin-left:auto;margin-right:auto}
figure{margin:0}
figcaption{font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;line-height:1.4;letter-spacing:.02em;
  color:rgba(243,241,231,.62);margin-top:10px}
.post-gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0 6px}
.post-gallery img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px;border:1.5px solid var(--line)}
@media(max-width:680px){.post-gallery{grid-template-columns:1fr}.post-gallery img{aspect-ratio:auto}}

/* course reflection post */
.post-course{border-color:rgba(198,255,0,.35);box-shadow:0 0 0 1px rgba(198,255,0,.12),0 26px 80px rgba(0,0,0,.32)}
.course-callout{margin:26px 0 0;padding:22px;border:1.5px solid rgba(198,255,0,.45);border-radius:18px;
  background:linear-gradient(135deg,rgba(198,255,0,.18),rgba(6,6,10,.26))}
.course-callout strong{display:block;font-family:"Space Mono","Noto Sans TC",monospace;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--acid);margin-bottom:8px}
.course-callout p{max-width:72ch}
.learning-grid,.course-projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.learn-card,.course-project{border:1.5px solid var(--line);border-radius:16px;padding:20px;background:rgba(6,6,10,.34)}
.learn-card span,.course-project span{display:inline-flex;margin-bottom:13px;font-family:"Space Mono","Noto Sans TC",monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--acid)}
.learn-card h4{font-family:"Unbounded","Noto Sans TC";font-weight:700;text-transform:uppercase;font-size:18px;line-height:1.1;margin-bottom:9px}
.learn-card p,.course-project p{font-size:15px;line-height:1.55;color:rgba(243,241,231,.78)}
.course-project{display:block;transition:transform .2s,border-color .2s,background .2s}
.course-project:hover{transform:translateY(-4px);border-color:var(--acid);background:rgba(198,255,0,.08)}
.course-project strong{display:block;font-family:"Unbounded","Noto Sans TC";font-weight:700;text-transform:uppercase;
  font-size:20px;line-height:1.1;margin-bottom:10px;color:var(--paper)}
.course-list{display:grid;gap:12px;margin:0;padding-left:22px;max-width:76ch}
.course-list li{font-size:clamp(16px,1.8vw,20px);line-height:1.55;color:rgba(243,241,231,.88)}
.course-list li::marker{color:var(--hot)}
@media(max-width:760px){.learning-grid,.course-projects{grid-template-columns:1fr}}