/* ============================================================
   MATTMCKELVY.COM v2 — one-screen app, slowly shifting color
   --hue drifts continuously; accent + tints derive from it.
   ============================================================ */

:root{
  --hue:18;
  --paper:hsl(var(--hue) 28% 97%);
  --paper-2:hsl(var(--hue) 22% 94%);
  --ink:hsl(var(--hue) 18% 9%);
  --ink-2:hsl(var(--hue) 8% 32%);
  --faint:hsl(var(--hue) 6% 52%);
  --hair:hsl(var(--hue) 14% 87%);
  --accent:hsl(var(--hue) 62% 42%);
  --accent-soft:hsl(var(--hue) 62% 42% / .12);
  --serif:"Newsreader",Georgia,serif;
  --sans:"IBM Plex Sans",-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --gutter:clamp(18px,4vw,56px);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:
    radial-gradient(120% 100% at 85% 10%, hsl(calc(var(--hue) + 40) 50% 94% / .8) 0%, transparent 55%),
    radial-gradient(100% 120% at 8% 95%, hsl(calc(var(--hue) - 30) 45% 93% / .7) 0%, transparent 50%),
    var(--paper);
  color:var(--ink);
  font:400 16px/1.65 var(--sans);
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
::selection{background:hsl(var(--hue) 70% 80%);color:var(--ink)}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:16px;top:-52px;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100;font:500 13px var(--sans);transition:top .15s}
.skip:focus{top:0}

/* custom cursor (fine pointers only) */
.cursor,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:200;display:none}
@media (pointer:fine){ .cursor,.cursor-ring{display:block} body{cursor:none} a,button{cursor:none} }
.cursor{width:7px;height:7px;border-radius:50%;background:var(--accent);transform:translate(-50%,-50%)}
.cursor-ring{
  width:34px;height:34px;border-radius:50%;border:1.5px solid var(--accent);
  opacity:.5;transform:translate(-50%,-50%) scale(.6);
  transition:transform .18s ease,opacity .18s;
}
.cursor-ring.hot{transform:translate(-50%,-50%) scale(1.15);opacity:.9}

/* ---------------- header ---------------- */
.top{
  display:flex;align-items:center;gap:14px;
  height:62px;padding:0 var(--gutter);
  border-bottom:1px solid var(--hair);
}
.wordmark{
  font:600 19px/1 var(--serif);letter-spacing:.02em;background:none;border:0;color:var(--ink);
  transition:transform .3s cubic-bezier(.3,1.6,.5,1);
}
.wordmark:hover{transform:rotate(-6deg) scale(1.12)}
.wordmark span{color:var(--accent)}
.tabs{display:flex;gap:2px;margin:0 auto;overflow-x:auto;scrollbar-width:none;max-width:100%}
.tabs::-webkit-scrollbar{display:none}
.tabs [role="tab"]{
  font:500 13px/1 var(--sans);letter-spacing:.03em;color:var(--ink-2);
  background:none;border:0;padding:10px 14px;border-radius:99px;white-space:nowrap;
  transition:color .18s,background .18s,transform .18s;
}
.tabs [role="tab"]:hover{color:var(--ink);transform:translateY(-1px)}
.tabs [role="tab"][aria-selected="true"]{color:var(--paper);background:var(--ink)}
.top-cta{
  display:inline-flex;align-items:center;gap:7px;text-decoration:none;white-space:nowrap;
  font:500 12.5px/1 var(--sans);color:var(--ink);
  border:1.5px solid var(--hair);border-radius:99px;padding:9px 14px;
  transition:border-color .18s,transform .18s;
}
.top-cta:hover{border-color:var(--accent);transform:translateY(-1px)}
.top-cta .pdf{font:500 9px/1 var(--mono);color:var(--accent);border:1px solid var(--accent-soft);border-radius:3px;padding:2px 4px;background:var(--accent-soft)}

/* ---------------- stage & panels ---------------- */
.stage{position:relative;height:calc(100svh - 62px);height:calc(100dvh - 62px);overflow:hidden}
.panel{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:clamp(16px,3vh,40px) var(--gutter);
  opacity:0;transform:translateX(40px) scale(.985);
  transition:opacity .45s ease,transform .45s cubic-bezier(.25,.9,.3,1);
  pointer-events:none;visibility:hidden;
}
.panel.active{opacity:1;transform:none;pointer-events:auto;visibility:visible}
.panel.exit-left{transform:translateX(-40px) scale(.985)}
.panel-inner{width:min(980px,100%);max-height:100%;overflow-y:auto;overscroll-behavior:contain;padding:6px 2px}
.panel-inner.center{text-align:center}
.panel-inner::-webkit-scrollbar{width:8px}
.panel-inner::-webkit-scrollbar-thumb{background:var(--hair);border-radius:4px}

/* ---------------- type ---------------- */
.eyebrow{font:500 11px/1.6 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.display{
  font:500 clamp(30px,4.6vw,58px)/1.06 var(--serif);letter-spacing:-.015em;
  margin:16px 0 18px;font-variation-settings:"opsz" 72;
}
.display.sm{font-size:clamp(28px,3.8vw,46px);margin-bottom:26px}
.display .worth{font-style:italic;color:var(--accent);transition:color .5s}
.h2{font:500 clamp(24px,3vw,34px)/1.15 var(--serif);margin-bottom:16px;font-variation-settings:"opsz" 44}
.h2-meta{font:400 12px/1 var(--mono);letter-spacing:.05em;color:var(--faint);margin-left:10px;white-space:nowrap}
.lede{font-size:clamp(15px,1.35vw,17.5px);line-height:1.7;color:var(--ink-2);max-width:54ch}
.prose{color:var(--ink-2);max-width:64ch;margin-bottom:20px}
.prose em{color:var(--ink);font-style:italic}

/* ---------------- hero ---------------- */
.hero-grid{
  width:min(1120px,100%);display:grid;grid-template-columns:minmax(0,11fr) minmax(0,9fr);
  gap:clamp(20px,4vw,56px);align-items:center;
}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 22px}
.chip{
  font:400 12.5px/1.5 var(--mono);color:var(--ink-2);
  border:1px solid var(--hair);border-radius:99px;padding:7px 13px;background:hsl(var(--hue) 30% 99% / .6);
  transition:transform .25s cubic-bezier(.3,1.6,.5,1),border-color .25s;
}
.chip:hover{transform:translateY(-2px) rotate(-1deg);border-color:var(--accent)}
.chip b{font-weight:500;color:var(--ink)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions.center{justify-content:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  font:500 13.5px/1 var(--sans);color:var(--ink);background:none;
  border:1.5px solid var(--hair);border-radius:99px;padding:13px 22px;min-height:44px;
  transition:transform .2s cubic-bezier(.3,1.6,.5,1),border-color .2s,background .2s,color .2s;
}
.btn:hover{transform:translateY(-2px);border-color:var(--accent)}
.btn:active{transform:translateY(0) scale(.97)}
.btn.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.solid:hover{background:var(--accent);border-color:var(--accent)}
.btn.quiet{border-color:transparent;color:var(--ink-2)}
.btn.quiet:hover{border-color:var(--hair)}

.hero-3d{display:flex;flex-direction:column;gap:8px;min-width:0}
#sys3d{
  width:100%;aspect-ratio:1/0.92;max-height:56vh;border-radius:18px;
  background:
    radial-gradient(80% 80% at 50% 40%, hsl(var(--hue) 40% 95% / .6), transparent 75%);
  touch-action:none;
}
#sys3d canvas{display:block;border-radius:18px}
.hero-3d figcaption{font:400 11.5px/1.7 var(--mono);color:var(--faint);text-align:center}
.hero-3d figcaption span{color:var(--accent)}

/* ---------------- story ---------------- */
.throughline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:8px}
.throughline li{
  border:1px solid var(--hair);border-radius:14px;padding:16px;background:hsl(var(--hue) 30% 99% / .55);
  transition:transform .3s cubic-bezier(.3,1.6,.5,1),border-color .3s,box-shadow .3s;
}
.throughline li:hover{transform:translateY(-4px) rotate(-.5deg);border-color:var(--accent);box-shadow:0 12px 28px hsl(var(--hue) 40% 40% / .12)}
.tl-when{font:500 10.5px/1 var(--mono);letter-spacing:.1em;color:var(--accent)}
.throughline h3{font:500 15.5px/1.3 var(--sans);margin:9px 0 7px}
.throughline p{font-size:12.5px;line-height:1.6;color:var(--ink-2)}

/* ---------------- experience ---------------- */
.role{border-top:1px solid var(--hair);padding:18px 0 6px;margin-top:14px}
.role:first-of-type{border-top:0;margin-top:6px}
.role-head{display:flex;justify-content:space-between;gap:14px;align-items:baseline;flex-wrap:wrap}
.role-head h3{font:500 17.5px/1.25 var(--sans)}
.role-org{font-size:13px;color:var(--ink-2);margin-top:2px}
.role-dates{font:500 12px/1.6 var(--mono);color:var(--faint);white-space:nowrap}
.mandate{margin:12px 0 8px;color:var(--ink);font-size:14.5px;max-width:70ch}
.mandate span{
  font:500 9px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  border:1px solid var(--accent-soft);background:var(--accent-soft);border-radius:3px;padding:3px 6px;margin-right:9px;vertical-align:2px;
}
.role-points{list-style:none;max-width:74ch}
.role-points li{
  padding:7px 0 7px 20px;position:relative;color:var(--ink-2);font-size:14px;line-height:1.6;
}
.role-points li::before{content:"";position:absolute;left:2px;top:.95em;width:8px;height:2px;background:var(--accent);border-radius:2px}

/* ---------------- work ---------------- */
.workgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.wcard{
  text-align:left;background:hsl(var(--hue) 30% 99% / .6);border:1px solid var(--hair);border-radius:16px;
  padding:20px 20px 18px;font-family:var(--sans);color:var(--ink);
  transition:transform .3s cubic-bezier(.3,1.6,.5,1),border-color .3s,box-shadow .3s;
}
.wcard:hover{transform:translateY(-4px) rotate(.4deg);border-color:var(--accent);box-shadow:0 14px 32px hsl(var(--hue) 40% 40% / .14)}
.wcard:nth-child(even):hover{transform:translateY(-4px) rotate(-.4deg)}
.wk{font:400 14px/1 var(--serif);color:var(--accent)}
.wcard h3{font:500 16.5px/1.3 var(--sans);margin:8px 0 6px}
.wcard p{font:400 12.5px/1.6 var(--mono);color:var(--faint)}

.casewrap{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;background:hsl(var(--hue) 20% 10% / .35);backdrop-filter:blur(6px);padding:20px}
.casewrap[hidden]{display:none}
.caseview{
  position:relative;width:min(620px,94vw);max-height:84svh;overflow-y:auto;
  background:var(--paper);border:1px solid var(--hair);border-radius:18px;
  padding:clamp(22px,4vw,36px);box-shadow:0 30px 80px hsl(var(--hue) 30% 20% / .25);
}
.caseview h3{font:500 clamp(20px,2.6vw,26px)/1.2 var(--serif);margin-bottom:14px;padding-right:40px}
.caseview p{color:var(--ink-2);font-size:14.5px;line-height:1.7;margin-bottom:11px}
.caseview b{color:var(--ink);font-weight:600}
.case-signal{border-left:2.5px solid var(--accent);padding-left:13px;color:var(--ink)!important;font-weight:500}
.caseclose{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--hair);background:var(--paper);color:var(--ink-2);font-size:14px;
  transition:transform .25s cubic-bezier(.3,1.6,.5,1),border-color .2s;
}
.caseclose:hover{transform:rotate(90deg);border-color:var(--accent)}

/* ---------------- skills ---------------- */
.skilldeck{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.skill{
  font:500 14px/1 var(--sans);color:var(--ink);
  border:1.5px solid var(--hair);border-radius:99px;padding:12px 18px;
  background:hsl(var(--hue) 30% 99% / .6);
  transition:transform .25s cubic-bezier(.3,1.8,.5,1),border-color .25s,background .25s,color .25s;
}
.skill.big{
  font-size:15.5px;padding:14px 22px;border-color:var(--accent);
  background:var(--accent-soft);
}
.skill:hover{transform:translateY(-3px) rotate(-1deg);border-color:var(--accent)}
.skill.big:hover{background:var(--accent);color:var(--paper)}
.skilldeck.small .skill{font-size:12.5px;padding:9px 14px;color:var(--ink-2)}
.kit-label{font:500 10.5px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin:4px 0 12px}
.ai-note{max-width:64ch;color:var(--ink-2);font-size:14px;line-height:1.7;border-top:1px solid var(--hair);padding-top:16px;margin-top:6px}
.ai-note b{color:var(--ink)}

/* ---------------- contact ---------------- */
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 34px;max-width:640px;margin:34px auto 0;text-align:left}
.facts dt{font:500 10px/1.5 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:3px}
.facts dd{font-size:14.5px;color:var(--ink)}
.foot-note{margin-top:30px;font:400 11.5px/1.6 var(--mono);color:var(--faint)}

/* ---------------- responsive ---------------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:14px;align-content:start}
  .hero-3d{order:-1}
  #sys3d{aspect-ratio:auto;height:min(34svh,300px)}
  .panel{align-items:flex-start}
  .panel-inner{max-height:100%}
}
@media (max-width:760px){
  .top{height:auto;flex-wrap:wrap;padding-top:10px;padding-bottom:8px;gap:8px}
  .wordmark{order:1}.top-cta{order:2;margin-left:auto}
  .tabs{order:3;width:100%;justify-content:flex-start}
  .stage{height:calc(100svh - 108px);height:calc(100dvh - 108px)}
  .throughline{grid-template-columns:repeat(2,1fr)}
  .workgrid{grid-template-columns:1fr}
  .display{font-size:clamp(26px,7vw,36px)}
  .facts{grid-template-columns:1fr}
}
@media (max-width:420px){
  .throughline{grid-template-columns:1fr}
  .actions .btn{flex:1;justify-content:center}
  .chips{gap:6px}
  .chip{font-size:11px;padding:6px 10px}
  .tabs{gap:0;justify-content:space-between}
  .tabs [role="tab"]{font-size:11.5px;letter-spacing:.01em;padding:9px 8px}
}

/* ---------------- reduced motion ---------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation:none!important}
  .panel{transition:opacity .15s ease}
  body{cursor:auto}
  a,button{cursor:pointer}
  .cursor,.cursor-ring{display:none!important}
}

/* ---------------- print ---------------- */
@media print{
  body{overflow:visible;background:#fff}
  .top,.cursor,.cursor-ring,.hero-3d,.actions{display:none!important}
  .stage{height:auto;overflow:visible}
  .panel{position:static;opacity:1;transform:none;visibility:visible;display:block;padding:16px 0}
  .panel[hidden]{display:block}
  .panel-inner{max-height:none;overflow:visible}
}