/* ================================================================
   NIKO BONO - personal site
   Single source of truth for tokens = DESIGN-KIT.html.
   Black ground, white lines, Electric Cyan signal, 0px radius.
   Scoped radius exception per the V1 brief:
     - .nav-bubble / .dir-btn--round  -> circular (border-radius:50%)
   The Temperature widget (performative-ui port) keeps 0px radius.
   Everything else: radius 0.
   ================================================================ */
:root{
  /* color */
  --black:#050505; --surface:#0C0C0C; --white:#FFFFFF;
  --grey:#A3A3A3; --grey-dim:#7A7A7A; --accent:#22D3EE; --accent-bright:#67E8F9;
  --line:#FFFFFF;              /* frame lines, active borders */
  --line-soft:rgba(255,255,255,.16); /* hairlines, dividers */
  --line-faint:rgba(255,255,255,.07);/* texture, faint rules */

  /* type */
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --text-hero:clamp(2.75rem,7vw,6rem);
  --text-h1:clamp(2rem,4vw,3.5rem);
  --text-h2:clamp(1.5rem,2.5vw,2rem);
  --text-h3:1.25rem; --text-body:1rem; --text-small:.875rem; --text-label:.75rem;
  --tracking-label:.08em;

  /* space (4px base) */
  --s1:4px; --s2:8px; --s3:16px; --s4:24px; --s5:40px; --s6:64px; --s7:96px; --s8:160px;

  /* grid */
  --grid-max:1440px; --grid-gutter:24px; --grid-margin:48px;

  /* motion */
  --dur-fast:150ms; --dur-base:300ms; --dur-slow:700ms;
  --ease-out:cubic-bezier(.16,1,.3,1); --ease-inout:cubic-bezier(.65,0,.35,1);

  /* live state (driven by site.js) */
  --scroll-progress:0;
  --ascii-a:.09;
}

/* aura-boost: toggled on <html> at the max reasoning level.
   Raises the single accent and the ascii field alpha a notch. */
html.aura-boost{--accent:var(--accent-bright);--ascii-a:.16}

/* ================================================================
   BASE
   ================================================================ */
*{margin:0;padding:0;box-sizing:border-box;border-radius:0!important}
html{scroll-behavior:smooth}
body{
  background:var(--black);color:var(--white);font-family:var(--font-display);
  font-size:var(--text-body);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--black)}
a{color:inherit;text-decoration:none}
img,svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* the one place radius is allowed back: explicit overrides */
.nav-bubble,.dir-btn--round{border-radius:9999px!important}

/* engineering-drawing page frame. Sits above the top-left/top-right
   controls so its corner + markers can never be occluded (issue #1). */
.page-frame{position:fixed;inset:16px;border:1px solid var(--line-soft);pointer-events:none;z-index:65}
.page-frame .plus{position:absolute;font-family:var(--font-mono);font-size:14px;line-height:1;color:var(--white);background:var(--black);padding:2px}
.page-frame .tl{top:-9px;left:-7px}.page-frame .tr{top:-9px;right:-7px}
.page-frame .bl{bottom:-9px;left:-7px}.page-frame .br{bottom:-9px;right:-7px}

.wrap{max-width:var(--grid-max);margin:0 auto;padding:0 var(--grid-margin);position:relative}

/* section scaffolding (from DESIGN-KIT) */
section{border-top:1px solid var(--line-soft);padding:var(--s7) 0;position:relative}
.sec-label{font-family:var(--font-mono);font-size:var(--text-label);font-weight:500;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--grey-dim);display:flex;align-items:center;gap:var(--s3);margin-bottom:var(--s6)}
.sec-label::after{content:"";flex:1;height:1px;background:var(--line-faint)}
.sec-label b{color:var(--white);font-weight:500}
.sec-title{font-size:var(--text-h1);font-weight:700;line-height:1.05;letter-spacing:-.02em;margin-bottom:var(--s4);max-width:18ch}
.sec-intro{color:var(--grey);max-width:58ch;margin-bottom:var(--s6)}
.mono{font-family:var(--font-mono)}
.label{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--grey-dim)}
.accent{color:var(--accent)}

/* corner-marked panel */
.marked{position:relative;border:1px solid var(--line-soft)}
.marked>.pm{position:absolute;font-family:var(--font-mono);font-size:12px;line-height:1;color:var(--white);background:var(--black);padding:1px 2px;z-index:2}
.marked>.pm.tl{top:-7px;left:-5px}.marked>.pm.tr{top:-7px;right:-5px}
.marked>.pm.bl{bottom:-7px;left:-5px}.marked>.pm.br{bottom:-7px;right:-5px}

/* ================================================================
   SCROLL PROGRESS (cyan top bar)
   ================================================================ */
.sp{position:fixed;inset-inline:0;top:0;z-index:70;height:2px}
.sp-fill{height:100%;width:100%;transform-origin:left center;transform:scaleX(var(--scroll-progress));background:linear-gradient(to right,rgba(34,211,238,.4),var(--accent),var(--accent-bright))}

/* ================================================================
   TEMPERATURE (performative-ui "effort" slider) - vanilla port
   Faithful port of vorpus/performativeUI Temperature.tsx + styles.
   Track line with a sliding ▲ marker, colored tier labels, poles,
   hover-preview + click-commit, and a violet canvas ripple flood at
   the top (ludicrous) tier. Drives the ASCII hero speed via site.js.
   ================================================================ */
.pui-temp{
  width:380px;max-width:100%;margin:0;padding:8px 14px;
  display:flex;flex-direction:column;justify-content:center;
  box-sizing:border-box;
  font-family:var(--font-mono);font-size:12px;line-height:1.35;
  color:var(--white);background:rgba(12,12,12,.55);border:1px solid var(--line-soft);
  user-select:none;cursor:pointer;
  --pui-temp-pos:.125;--pui-temp-divider:.75;--pui-temp-cols:4;
}
.pui-temp__ripple{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;display:none}
.pui-temp.is-ripple .pui-temp__ripple{display:block}
.pui-temp__poles,.pui-temp__track,.pui-temp__levels{position:relative;z-index:1}
.pui-temp__poles{display:flex;justify-content:space-between;color:var(--grey-dim);font-size:11px;letter-spacing:.02em}
.pui-temp__track{position:relative;flex:0 0 auto;min-height:1.6em;margin:1px 0}
.pui-temp__line{position:absolute;left:0;right:0;top:50%;border-top:1px solid rgba(255,255,255,.18)}
.pui-temp__divider,.pui-temp__marker{position:absolute;top:50%;transform:translate(-50%,-50%);line-height:1}
.pui-temp__divider{left:calc(var(--pui-temp-divider)*100%);color:var(--grey-dim)}
.pui-temp__marker{left:calc(var(--pui-temp-pos)*100%);color:var(--white);transition:left .18s var(--ease-out)}
.pui-temp__levels{display:grid;grid-template-columns:repeat(var(--pui-temp-cols,4),1fr)}
.pui-temp__level{appearance:none;background:none;border:0;padding:2px 0;margin:0;font-family:inherit;font-size:11px;text-align:center;cursor:pointer;color:var(--grey-dim);white-space:nowrap;transition:color var(--dur-base) var(--ease-out)}
.pui-temp__text{display:inline-block}
.pui-temp__level.is-active .pui-temp__text{font-weight:700}
/* ludicrous tier (auramaxxed): violet label, white + glow when active */
.pui-temp__level--ludicrous .pui-temp__text{color:#a78bfa}
.pui-temp__level--ludicrous.is-active .pui-temp__text{color:#fff;text-shadow:0 0 8px rgba(140,80,240,.95)}
@media(prefers-reduced-motion:reduce){
  .pui-temp__marker{transition:none}
}

/* back-to-home link (sub-pages, top-left) */
.back{position:fixed;top:30px;left:48px;z-index:60;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey-dim);display:inline-flex;align-items:center;gap:8px;transition:color var(--dur-base) var(--ease-out)}
.back:hover{color:var(--white)}
.back .arr{transition:transform var(--dur-base) var(--ease-out)}
.back:hover .arr{transform:translateX(-3px)}

/* ================================================================
   NAVBAR (top-right, circular bubbles + traveling marker)
   ================================================================ */
.nav{position:fixed;top:24px;right:48px;z-index:60;display:flex;align-items:center;gap:14px}
.nav-bubbles{position:relative;display:flex;gap:16px;align-items:center;padding-bottom:10px}
.nav-bubble{width:40px;height:40px;border:1px solid var(--line-soft);display:grid;place-items:center;color:var(--grey-dim);background:rgba(5,5,5,.5);transition:color var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
.nav-bubble svg{width:18px;height:18px}
.nav-bubble:hover,.nav-bubble:focus-visible{color:var(--white);border-color:var(--white);transform:translateY(-2px)}
/* the round contact CTA uses the directional fill (see .dir-btn) */
.nav-bubble.dir-btn{padding:0}
.nav-bubble.dir-btn .dir-label{font-size:0}        /* hide text, icon only */
.nav-bubble.dir-btn svg{position:relative;z-index:2;transition:color var(--dur-base) var(--ease-out)}
.nav-bubble.dir-btn .dir-fill{border-radius:9999px!important}
/* traveling marker: a 4px cyan square that slides along the bottom edge */
.nav-mark{position:absolute;left:0;bottom:0;width:40px;height:2px;background:var(--accent);opacity:0;transform:translateX(0);transition:transform var(--dur-base) var(--ease-out),opacity var(--dur-base) var(--ease-out);pointer-events:none;z-index:3}
.nav-bubbles:hover .nav-mark{opacity:1}

/* ================================================================
   HERO  (2/3 + 1/3)
   ================================================================ */
header.hero{position:relative;padding:80px 0 var(--s7);overflow:hidden;min-height:88vh;display:flex;align-items:center}
header.hero .wrap{width:100%}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--grid-gutter);align-items:center}
/* hero top row: kicker leads above the code (left), slider parked right.
   Slider lifted out from between kicker and code to rebalance hero weight. */
.hero-top{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;margin-bottom:var(--s5)}
.hero-kicker{display:flex;gap:var(--s4);flex-wrap:wrap}
.hero-kicker span{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--grey)}
.hero-kicker .dot::before{content:"■ ";color:var(--accent);font-size:9px;vertical-align:1px}
/* hover-list index: nudge 6px up, 3px right (per brief) */
.hero-grid > aside{position:relative;top:-6px;left:3px}

/* about split: framed statement left, Read More CTA right.
   center the CTA against the frame so its height matches the text block */
.about-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:48px;align-items:center}

/* ================================================================
   CODE REVEAL (hero left)
   ================================================================ */
.code{border:1px solid var(--line-soft);background:var(--surface);font-family:var(--font-mono);font-size:13px}
.code-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-faint)}
.code-file{color:var(--grey);font-size:12px}
.code-lang{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);border:1px solid var(--line-soft);padding:2px 6px}
.code-copy{margin-left:auto;background:none;border:1px solid var(--line-soft);color:var(--grey);font-family:inherit;font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;cursor:pointer;transition:border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}
.code-copy:hover{border-color:var(--white);color:var(--white)}
.code-copy.is-on{color:var(--accent);border-color:var(--accent)}
.code-body{display:grid;grid-template-columns:auto minmax(0,1fr);margin:0}
.code-gutter{margin:0;padding:16px 12px 16px 16px;text-align:right;color:var(--grey-dim);user-select:none;border-right:1px solid var(--line-faint);white-space:pre}
.code-pre{min-width:0;margin:0;padding:16px;overflow-x:auto}
.code-line{display:block;white-space:pre;color:var(--grey)}
.tok-c{color:var(--grey-dim);font-style:italic}
.tok-k{color:var(--white);font-weight:500}
.tok-s{color:var(--white)}

/* ================================================================
   HOVER LIST (hero right nav)
   ================================================================ */
.nav-list{list-style:none;visibility:hidden}
.nav-list li{position:relative;padding:14px 0;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:500;color:var(--grey-dim);cursor:pointer;transition:color var(--dur-base) var(--ease-out),padding-left var(--dur-base) var(--ease-out);display:block}
.nav-list li .sep{position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--line-soft);display:block;transform-origin:left center}
.nav-list li::before{content:"●";font-size:10px;position:absolute;left:0;top:50%;transform:translateY(-50%);opacity:0;transition:opacity var(--dur-base) var(--ease-out);color:var(--white)}
.nav-list li:hover,.nav-list li:focus-visible{color:var(--white);padding-left:26px;outline:none}
.nav-list li:hover::before{opacity:1}
.nav-list .ch{display:inline-block}

/* ================================================================
   PLUS-MARKED FRAME
   ================================================================ */
.plus-frame{position:relative;padding:40px}
.pf-line{position:absolute;display:block;background:var(--line-soft)}
.pf-top{top:0;left:0;width:100%;height:1px;transform-origin:left center}
.pf-bottom{bottom:0;left:0;width:100%;height:1px;transform-origin:left center}
.pf-left{top:0;left:0;width:1px;height:100%;transform-origin:center top}
.pf-right{top:0;right:0;width:1px;height:100%;transform-origin:center top}
.pf-plus{position:absolute;font-family:var(--font-mono);font-size:12px;line-height:1;color:var(--white);background:var(--black);padding:1px 2px;z-index:2}
.pf-tl{top:-7px;left:-5px}.pf-tr{top:-7px;right:-5px}.pf-bl{bottom:-7px;left:-5px}.pf-br{bottom:-7px;right:-5px}
.pf-content .k{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);display:block;margin-bottom:16px}
.pf-content h2{font-size:var(--text-h2);font-weight:500;letter-spacing:-.01em;line-height:1.25}
.pf-content p{color:var(--grey);font-size:.9375rem;margin-top:16px;max-width:60ch}

/* wide variant for research page */
.plus-frame--wide{max-width:none;padding:48px 56px}
.research-action{display:flex;justify-content:flex-end;margin-top:32px}

/* ================================================================
   DIRECTIONAL FILL BUTTON
   ================================================================ */
.dir-btn{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;border:1px solid var(--line-soft);background:transparent;cursor:pointer;font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--white);transition:transform var(--dur-fast) var(--ease-out)}
.dir-btn:active{transform:translateY(1px)}
.dir-fill{position:absolute;inset:0;z-index:1;background:var(--white);pointer-events:none}
.dir-label-wrap{position:relative;z-index:2;display:inline-flex;align-items:center;gap:10px}
.dir-label{display:inline-block;white-space:nowrap}
.dir-label--on{position:absolute;inset:0;color:var(--black);opacity:0}
/* ghost = CSS-only secondary */
.dir-btn--ghost{border-color:var(--line-faint)}
.dir-btn--ghost .dir-label{color:var(--grey-dim);transition:color var(--dur-base) var(--ease-out)}
.dir-btn--ghost:hover{border-color:var(--white)}
.dir-btn--ghost:hover .dir-label{color:var(--white)}

/* ================================================================
   TIMELINE RAIL
   ================================================================ */
.tl{position:relative;list-style:none;visibility:hidden;--rail:1}
.tl::before{content:"";position:absolute;left:3px;top:4px;bottom:4px;width:1px;background:var(--line-soft);transform:scaleY(var(--rail));transform-origin:top center}
.tl-item{position:relative;padding:0 0 32px 40px}
.tl-item:last-child{padding-bottom:0}
.tl-node{position:absolute;left:0;top:6px;width:7px;height:7px;background:var(--white)}
.tl-date{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);display:block;margin-bottom:8px}
.tl-role{font-size:clamp(1.1rem,1.9vw,1.45rem);font-weight:500;letter-spacing:-.01em;line-height:1.2}
.tl-org{font-family:var(--font-mono);font-size:12px;color:var(--grey);margin-top:4px}
.tl-desc{color:var(--grey);font-size:.875rem;line-height:1.6;margin-top:12px;max-width:58ch}

/* ================================================================
   ACCESS FORM (cyan, 0px, + message field)
   ================================================================ */
.af{max-width:560px}
/* contact block sits on the right for visual cohesion with the hero.
   width is definite so margin-left:auto actually pushes it right. */
#contact .af{width:560px;max-width:100%;margin-left:auto}
.af .kick{font-family:var(--font-mono);font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.32em;color:var(--accent)}
.af h2{margin-top:20px;font-family:var(--font-display);font-weight:700;font-size:var(--text-h1);line-height:1.05;letter-spacing:-.02em}
#contact .af .kick,#contact .af h2{text-align:right}
.af .lede{margin-top:20px;max-width:48ch;color:var(--grey);font-size:1rem;line-height:1.7}
.af form{margin-top:40px;display:flex;flex-direction:column;gap:20px}
.af .hp{position:absolute;left:-9999px;height:0;width:0;opacity:0}
.af .field label{display:block;margin-bottom:8px;font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--grey-dim)}
.af input,.af textarea{width:100%;border:1px solid var(--line-soft);background:var(--surface);padding:12px 16px;color:var(--white);font-family:var(--font-display);font-size:.9375rem;transition:border-color var(--dur-base) var(--ease-out)}
.af textarea{resize:vertical;min-height:120px;line-height:1.6}
.af input::placeholder,.af textarea::placeholder{color:var(--grey-dim)}
.af input:focus,.af textarea:focus{outline:none;border-color:var(--accent)}
.af input[aria-invalid="true"],.af textarea[aria-invalid="true"]{border-color:var(--white)}
.af .err{margin-top:8px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--white)}
.af .err::before{content:"× "}
.af .note{font-family:var(--font-mono);font-size:.78rem;color:var(--white)}
.af .submit{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line-soft);background:transparent;color:var(--white);padding:14px 28px;font-family:var(--font-mono);font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;align-self:flex-start;transition:background var(--dur-base) var(--ease-out),color var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out)}
.af .submit:hover{background:var(--white);color:var(--black);border-color:var(--white)}
.af .submit:disabled{cursor:not-allowed;opacity:.5}
.af .submit svg{transition:transform var(--dur-base) var(--ease-out)}
.af .submit:hover svg{transform:translateX(2px)}
.af .fine{margin-top:4px;font-family:var(--font-mono);font-size:.72rem;color:var(--grey-dim)}
/* success */
.af .ok{border:1px solid rgba(34,211,238,.35);background:var(--surface);padding:40px 32px}
.af .ok .badge{display:flex;align-items:center;justify-content:center;height:40px;width:40px;margin-bottom:16px;border:1px solid rgba(34,211,238,.5)}
.af .ok h3{font-family:var(--font-display);font-weight:700;font-size:1.5rem;letter-spacing:-.01em}
.af .ok p{margin-top:8px;font-size:.9rem;color:var(--grey)}

/* ================================================================
   PROJECT CARD
   ================================================================ */
.pc-stack{list-style:none;visibility:hidden}
.pc{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:start;padding:32px 0;border-top:1px solid var(--line-soft);position:relative;cursor:pointer}
.pc-stack .pc:last-child{border-bottom:1px solid var(--line-soft)}
.pc-idx{font-family:var(--font-mono);font-size:clamp(1.5rem,3vw,2.25rem);font-weight:500;color:var(--grey-dim);line-height:1;min-width:2ch;transition:color var(--dur-base) var(--ease-out)}
.pc-body{min-width:0}
.pc-title{position:relative;display:inline-block;font-size:clamp(1.25rem,2.2vw,1.75rem);font-weight:500;letter-spacing:-.01em;line-height:1.2;transition:color var(--dur-base) var(--ease-out)}
.pc-title::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform var(--dur-base) var(--ease-out)}
.pc-desc{color:var(--grey);font-size:.9375rem;line-height:1.6;margin-top:14px;max-width:60ch}
.pc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pc-tags span{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey);border:1px solid var(--line-soft);padding:4px 8px}
.pc-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:18px;opacity:0;transform:translateY(6px);transition:opacity var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
.pc-meta span{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey-dim)}
.pc-meta span b{color:var(--grey);font-weight:400}
.pc:hover .pc-idx{color:var(--white)}
.pc:hover .pc-title::after{transform:scaleX(1)}
.pc:hover .pc-meta{opacity:1;transform:translateY(0)}

/* ================================================================
   DISPLAY CARDS (category hub, Projects)
   Link tiles to category sub-pages. Same token system as .pc:
   one accent (the hover title rule), 0px radius, --line-soft border.
   ================================================================ */
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.dcard{display:flex;flex-direction:column;border:1px solid var(--line-soft);background:var(--surface);color:inherit;text-decoration:none;position:relative;transition:border-color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}
.dcard:hover{border-color:var(--white)}
.dcard:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.dcard:active{transform:translateY(1px)}
.dcard-stage{position:relative;height:180px;display:grid;place-items:center;background:var(--black);border-bottom:1px solid var(--line-faint)}
.dcard-glyph{font-family:var(--font-mono);font-weight:500;font-size:clamp(2rem,5vw,2.75rem);letter-spacing:.02em;color:var(--grey-dim);opacity:.55;transition:color var(--dur-base) var(--ease-out),opacity var(--dur-base) var(--ease-out)}
.dcard:hover .dcard-glyph,.dcard:focus-visible .dcard-glyph{color:var(--accent);opacity:1}
.compound-card .dcard-stage{background:#fff;overflow:hidden}
.compound-card .dcard-stage img{position:absolute;inset:0;display:block;width:100%;height:100%;padding:14px;object-fit:contain;filter:grayscale(1);transition:filter var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
.compound-card:hover .dcard-stage img,.compound-card:focus-visible .dcard-stage img{filter:grayscale(0);transform:scale(1.035)}
.dcard-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.dcard-cat{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}
.dcard-cat b{color:var(--white);font-weight:500}
.dcard-name{position:relative;align-self:flex-start;font-size:1.25rem;font-weight:500;letter-spacing:-.01em;line-height:1.2;margin-top:10px}
.dcard-name::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform var(--dur-base) var(--ease-out)}
.dcard:hover .dcard-name::after,.dcard:focus-visible .dcard-name::after{transform:scaleX(1)}
.dcard-desc{color:var(--grey);font-size:.875rem;line-height:1.55;margin-top:14px;flex:1}
.dcard-more{margin-top:20px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey-dim);transition:color var(--dur-base) var(--ease-out)}
.dcard:hover .dcard-more,.dcard:focus-visible .dcard-more{color:var(--white)}
@media(max-width:760px){.dgrid{grid-template-columns:1fr}}

/* ================================================================
   ABOUT PAGE - ability rows
   ================================================================ */
.ab-row{display:grid;grid-template-columns:240px 1fr;gap:var(--grid-gutter);padding:28px 0;border-top:1px solid var(--line-soft);align-items:start}
.ab-row:last-child{border-bottom:1px solid var(--line-soft)}
.ab-row .ab-k{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--grey);padding-top:4px}
.ab-row .ab-k b{display:block;color:var(--white);font-weight:500;margin-bottom:6px}
.ab-row .ab-d{color:var(--grey);font-size:.9375rem;line-height:1.65;max-width:62ch}
.ab-row .ab-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ab-row .ab-tags span{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey-dim);border:1px solid var(--line-soft);padding:4px 8px}

/* ================================================================
   PAGE HEADER (sub-pages) + back link
   ================================================================ */
.page-head{padding:140px 0 var(--s6)}
.page-head .crumbs{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--grey-dim);display:flex;align-items:center;gap:10px;margin-bottom:var(--s5)}
.page-head .crumbs a{color:var(--grey);transition:color var(--dur-base) var(--ease-out)}
.page-head .crumbs a:hover{color:var(--white)}
.page-head h1{font-size:var(--text-hero);font-weight:700;line-height:1.05;letter-spacing:-.03em;max-width:16ch}
.page-head h1 em{font-style:normal;color:var(--grey-dim)}
.page-head .lede{margin-top:24px;color:var(--grey);max-width:56ch;font-size:1.0625rem;line-height:1.6}

/* Compact work pages keep the first project row in the opening viewport. */
.work-page .page-head{padding:96px 0 32px}
.work-page .page-head .crumbs{margin-bottom:16px}
.work-page .page-head .lede{margin-top:12px}
.work-page section{padding:32px 0}
.work-page .sec-label{margin-bottom:24px}
.work-page footer{padding:32px 0}
.projects-index .dgrid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.projects-index .dcard-stage{height:112px}
.projects-index .dcard-body{padding:16px 16px 18px}
.projects-index .dcard-name{font-size:1.05rem;margin-top:8px}
.projects-index .dcard-desc{font-size:.75rem;line-height:1.45;margin-top:10px}
.projects-index .dcard-more{margin-top:12px}
.category-page .dgrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.category-page .dcard{min-height:280px}
.category-page .dcard-stage{height:128px}

@media(max-width:1100px){
  .projects-index .dgrid,.category-page .dgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ================================================================
   FOOTER
   ================================================================ */
footer{border-top:1px solid var(--line-soft);padding:var(--s6) 0 var(--s7)}
.foot-row{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--s4);flex-wrap:wrap}
.foot-meta{font-family:var(--font-mono);font-size:var(--text-label);color:var(--grey-dim);letter-spacing:.06em;line-height:1.8}
.foot-meta a{color:var(--grey);text-decoration:underline;text-underline-offset:3px;transition:color var(--dur-base) var(--ease-out)}
.foot-meta a:hover{color:var(--white)}

/* reveal helper (IO-driven, opacity/transform only) */
.reveal{opacity:0;transform:translateY(14px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}
.reveal.is-in{opacity:1;transform:translateY(0)}
/* fallbacks: never hide content if GSAP or JS is unavailable */
html.no-gsap .nav-list,html.no-gsap .tl,html.no-gsap .pc-stack{visibility:visible}

/* ================================================================
   ASCII HERO BACKGROUND (fixed, behind everything)
   ================================================================ */
#ascii{position:fixed;inset:0;z-index:0;overflow:hidden;font-family:var(--font-mono);font-size:12px;line-height:1.35;color:rgba(34,211,238,var(--ascii-a));white-space:pre;pointer-events:none;user-select:none;transition:color var(--dur-slow) var(--ease-out)}
main{position:relative;z-index:1}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:var(--s6)}
  .ab-row{grid-template-columns:1fr;gap:8px}
}
@media(max-width:760px){
  :root{--grid-margin:20px}
  .page-frame{inset:8px}
  .back{top:18px;left:20px}
  .nav{top:16px;right:20px}
  header.hero{padding-top:88px;min-height:0}
  section{padding:var(--s6) 0}
  .page-head{padding:120px 0 var(--s5)}
  .pc{grid-template-columns:1fr;gap:12px}
  .nav-bubbles{gap:10px}
  .nav-bubble{width:36px;height:36px}
  .projects-index .dgrid,.category-page .dgrid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:24px}
  .code-body{display:block}
  .code-gutter{display:none}
  .code-pre{font-size:11px;overflow-x:visible}
  .code-line{white-space:pre-wrap;overflow-wrap:anywhere}
  .plus-frame--wide{padding:32px 24px}
  .research-action{margin-top:24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
