/* ============================================================
   Michael Kiernan portfolio
   Dark NOC / topology. Amber signal on near-black.
   ============================================================ */

@font-face{font-family:'Archivo';src:url('/assets/fonts/archivo-var.woff2') format('woff2-variations');
  font-weight:400 800;font-style:normal;font-display:swap}
@font-face{font-family:'Plex Mono';src:url('/assets/fonts/plexmono-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Plex Mono';src:url('/assets/fonts/plexmono-500.woff2') format('woff2');
  font-weight:500;font-style:normal;font-display:swap}

:root{
  --bg:#08090A;
  --bg-elev:#0F1113;
  --bg-alt:#0B0C0E;
  --hairline:rgba(255,255,255,.08);
  --hairline-2:rgba(255,255,255,.14);
  --text:#E8E6E3;
  --text-dim:#8A8F94;
  --text-faint:#5A6066;
  --amber:#FFB020;
  --amber-dim:#B87A12;
  --amber-wash:rgba(255,176,32,.10);
  --link-idle:#2A2F35;
  --down:#6B4A4A;

  --sans:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1280px;
  --gut:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:clamp(15px,.55vw + 13px,17px);
  line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3{margin:0;font-weight:600;line-height:1.05;letter-spacing:-.02em}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

::selection{background:var(--amber);color:#08090A}

:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}

.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}

.skip{position:fixed;top:-100px;left:16px;z-index:200;background:var(--amber);color:#08090A;
  padding:10px 16px;font:500 13px/1 var(--mono);border-radius:2px;transition:top .2s}
.skip:focus{top:16px}

/* ── scroll progress ─────────────────────────────────── */
.progress{position:fixed;inset:0 auto auto 0;height:2px;width:100%;z-index:120;
  background:var(--amber);transform:scaleX(0);transform-origin:0 50%;
  box-shadow:0 0 12px rgba(255,176,32,.6);will-change:transform}

/* ── nav ─────────────────────────────────────────────── */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(8,9,10,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:transform .4s var(--ease),border-color .3s,background .3s}
.nav.is-hidden{transform:translateY(-100%)}
.nav.is-stuck{border-bottom-color:var(--hairline)}
.nav__in{max-width:var(--wrap);margin-inline:auto;padding:14px var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__mark{display:inline-flex;align-items:center;gap:8px}
.nav__mono{font:500 14px/1 var(--mono);letter-spacing:.16em}
.nav__led{width:6px;height:6px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 8px var(--amber);animation:beat 2.6s ease-in-out infinite}
@keyframes beat{0%,100%{opacity:1}50%{opacity:.25}}

.nav__links{display:flex;gap:clamp(14px,2.4vw,30px)}
.nav__links a{position:relative;font:400 13px/1 var(--mono);color:var(--text-dim);
  letter-spacing:.04em;padding:6px 0;transition:color .25s}
.nav__links a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--amber);transform:scaleX(0);transform-origin:0 50%;transition:transform .35s var(--ease)}
.nav__links a:hover{color:var(--text)}
.nav__links a.is-active{color:var(--amber)}
.nav__links a.is-active::after{transform:scaleX(1)}

/* ── reveal primitives ───────────────────────────────────
   Everything below is scoped to html.js so the page is fully
   legible with no JavaScript. Content is never hidden unless
   we know something is running to reveal it again.          */
.mask{display:block;overflow:hidden}
.mask__i{display:block}
.rule{display:block;height:1px;background:var(--hairline-2);transform-origin:0 50%}

html.js [data-reveal]{opacity:0;transform:translateY(18px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
  transition-delay:var(--d,0ms)}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* the mask wrapper only carries the trigger and --d; the child animates */
html.js .mask[data-reveal]{opacity:1;transform:none;transition:none}
html.js .mask__i{transform:translateY(105%);opacity:0;
  transition:transform .95s var(--ease),opacity .5s linear;transition-delay:var(--d,0ms)}
html.js .mask__i.is-in{transform:none;opacity:1}

html.js .rule{transform:scaleX(0);transition:transform 1.1s var(--ease);
  transition-delay:var(--d,0ms)}
html.js .rule.is-in{transform:scaleX(1)}

/* ── hero ────────────────────────────────────────────── */
.hero{position:relative;min-height:100svh;display:grid;align-items:center;
  grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,64px);
  max-width:var(--wrap);margin-inline:auto;padding:110px var(--gut) 72px}

.hero__canvas-wrap{position:relative;order:2;aspect-ratio:1/1;width:100%;
  max-height:min(72vh,680px);justify-self:end}
.hero__canvas{width:100%;height:100%}
.hero__scan{position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(255,255,255,.014) 3px 4px);
  mask-image:radial-gradient(closest-side,#000 55%,transparent 100%)}

.hero__body{order:1;position:relative;z-index:2;min-width:0}

.eyebrow{display:inline-flex;align-items:center;gap:9px;
  font:400 12px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:clamp(18px,3vh,28px)}
.eyebrow__led{width:5px;height:5px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 7px var(--amber);animation:beat 2.6s ease-in-out infinite}

.hero__name{font-size:clamp(46px,7.4vw,106px);font-weight:700;letter-spacing:-.045em;
  line-height:.94;margin-bottom:.2em}
.hero__role{font:500 clamp(15px,1.5vw,20px)/1.2 var(--mono);color:var(--amber);
  letter-spacing:-.01em;margin-bottom:clamp(18px,3vh,26px)}
.hero__lede{color:var(--text-dim);font-size:clamp(15px,.5vw + 13.5px,17.5px);
  line-height:1.7;margin-bottom:clamp(26px,4vh,38px);max-width:46ch;text-wrap:pretty}

.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:clamp(28px,4.5vh,44px)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:2px;
  font:500 13px/1 var(--mono);letter-spacing:.02em;
  transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--amber);color:#08090A;border:1px solid var(--amber)}
.btn--primary:hover{background:#FFC24D;border-color:#FFC24D}
.btn--primary:hover svg{transform:translate(2px,-2px)}
.btn--ghost{border:1px solid var(--hairline-2);color:var(--text)}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn--ghost:hover svg{transform:translateY(2px)}

.hero__tags{display:flex;flex-wrap:wrap;gap:7px 0;font:400 11.5px/1 var(--mono);
  color:var(--text-faint);letter-spacing:.06em;text-transform:uppercase}
.hero__tags li{padding-right:14px;margin-right:14px;border-right:1px solid var(--hairline)}
.hero__tags li:last-child{border-right:0;margin-right:0;padding-right:0}

/* ── metrics ─────────────────────────────────────────── */
.metrics{border-block:1px solid var(--hairline);background:var(--bg-alt)}
.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);
  padding-block:clamp(34px,6vw,58px)}
.metric{padding-inline:clamp(10px,2vw,28px);border-left:1px solid var(--hairline)}
.metric:first-child{border-left:0;padding-left:0}
.metric__n{display:block;font:500 clamp(34px,5.2vw,62px)/1 var(--mono);
  color:var(--amber);letter-spacing:-.045em;font-variant-numeric:tabular-nums;margin-bottom:12px}
.metric__l{display:block;font-size:clamp(12px,.9vw,13.5px);line-height:1.45;
  color:var(--text-dim);letter-spacing:.01em}

/* ── generic section ─────────────────────────────────── */
.sec{padding-block:clamp(72px,11vw,150px)}
.sec--alt{background:var(--bg-alt);border-block:1px solid var(--hairline)}
.sec__head{margin-bottom:clamp(40px,6vw,72px)}
.sec__label{display:flex;align-items:center;gap:11px;font:400 12px/1 var(--mono);
  letter-spacing:.15em;text-transform:uppercase;color:var(--text-dim);margin-bottom:22px}
.sec__idx{color:var(--amber)}
.sec__title{font-size:clamp(30px,4.6vw,56px);font-weight:600;letter-spacing:-.035em;
  line-height:1.06;margin-bottom:28px;text-wrap:balance}
.sec__note{color:var(--text-dim);max-width:56ch;margin-top:26px;text-wrap:pretty}

/* ── case studies ────────────────────────────────────── */
.cases{border-top:1px solid var(--hairline)}
.case{border-bottom:1px solid var(--hairline)}
.case__hd{display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(14px,3vw,32px);width:100%;text-align:left;
  padding:clamp(22px,3vw,34px) 0;transition:padding-inline .35s var(--ease)}
.case__hd:hover{padding-inline:10px}
.case__idx{font:400 12px/1 var(--mono);color:var(--text-faint);letter-spacing:.1em;
  transition:color .3s}
.case__hd:hover .case__idx,.case.is-open .case__idx{color:var(--amber)}
.case__main{display:block;min-width:0}
.case__title{display:block;font-size:clamp(19px,2.3vw,30px);font-weight:600;
  letter-spacing:-.025em;line-height:1.2;transition:color .3s;text-wrap:balance}
.case__hd:hover .case__title{color:var(--amber)}
.case__meta{display:block;font:400 12px/1 var(--mono);color:var(--text-faint);
  letter-spacing:.04em;margin-top:11px}
.case__toggle{position:relative;width:34px;height:34px;border:1px solid var(--hairline-2);
  border-radius:50%;flex:none;transition:border-color .3s,background .3s,transform .4s var(--ease)}
.case__toggle::before,.case__toggle::after{content:'';position:absolute;inset:50% auto auto 50%;
  background:currentColor;transform:translate(-50%,-50%);transition:opacity .3s,transform .4s var(--ease)}
.case__toggle::before{width:11px;height:1px}
.case__toggle::after{width:1px;height:11px}
.case__hd:hover .case__toggle{border-color:var(--amber);color:var(--amber)}
.case.is-open .case__toggle{background:var(--amber);border-color:var(--amber);color:#08090A;transform:rotate(180deg)}
.case.is-open .case__toggle::after{opacity:0}

.case__panel{display:grid;grid-template-rows:0fr;opacity:0;
  transition:grid-template-rows .55s var(--ease),opacity .4s ease}
.case.is-open .case__panel{grid-template-rows:1fr;opacity:1}
.case__wrap{overflow:hidden;min-height:0}
.case__inner{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,44px);
  padding-bottom:26px}
.case__col h3{font:400 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);margin-bottom:13px}
.case__col p{color:var(--text-dim);font-size:15px;line-height:1.72;text-wrap:pretty}

/* ── chips ───────────────────────────────────────────── */
.chips{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:34px}
.chips li{font:400 11.5px/1 var(--mono);letter-spacing:.04em;color:var(--text-dim);
  padding:7px 12px;border:1px solid var(--hairline);border-radius:2px;
  transition:border-color .25s,color .25s,background .25s}
.chips li:hover{border-color:var(--amber);color:var(--amber);background:var(--amber-wash)}

.chips--lit{padding-bottom:0}
.chips--lit li{display:inline-flex;align-items:center;gap:8px}
.chips--lit li::before{content:'';width:5px;height:5px;border-radius:50%;
  background:var(--link-idle);flex:none;transition:background .25s,box-shadow .25s}
.chips--lit li:hover::before{background:var(--amber);box-shadow:0 0 7px var(--amber)}

/* ── capability matrix ───────────────────────────────── */
.matrix{border-top:1px solid var(--hairline)}
.mrow{display:grid;grid-template-columns:minmax(150px,232px) 1fr;gap:clamp(16px,3vw,44px);
  padding:clamp(22px,3vw,32px) 0;border-bottom:1px solid var(--hairline)}
.mrow__h{font:400 11.5px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-dim);padding-top:7px}

/* ── credentials ─────────────────────────────────────── */
/* 3 columns for 6 cards. An auto-fit track count that doesn't divide the
   card count leaves empty cells showing the hairline gap background. */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--hairline);border:1px solid var(--hairline)}
@media (max-width:900px){.certs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.certs{grid-template-columns:1fr}}
.cert{position:relative;display:grid;gap:7px;background:var(--bg);
  padding:clamp(20px,2.6vw,28px);transition:background .3s}
.cert:hover{background:var(--bg-elev)}
.cert__st{position:absolute;top:22px;right:22px;width:6px;height:6px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 8px var(--amber)}
.cert--wip .cert__st{background:transparent;border:1px dashed var(--amber-dim);box-shadow:none;
  width:8px;height:8px;animation:beat 3.4s ease-in-out infinite}
.cert__n{font-size:16.5px;font-weight:600;letter-spacing:-.015em;line-height:1.3;padding-right:22px}
.cert__s{font:400 11.5px/1.4 var(--mono);letter-spacing:.05em;color:var(--text-faint)}
.cert--wip .cert__s{color:var(--amber-dim)}

.roles{margin-top:clamp(44px,6vw,68px);padding-top:clamp(30px,4vw,40px);
  border-top:1px solid var(--hairline)}
.roles__h{font:400 11.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:24px}
.roles__l{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:clamp(20px,3vw,40px)}
.roles__l dt{font-size:17px;font-weight:600;letter-spacing:-.015em;margin-bottom:6px}
.roles__l dd{color:var(--text-dim);font-size:14.5px}
.roles__d{font:400 12px/1.5 var(--mono);color:var(--text-faint);letter-spacing:.04em;margin-top:3px}

/* ── contact ─────────────────────────────────────────── */
.sec--contact{border-top:1px solid var(--hairline);background:var(--bg-alt)}
.contact__grid{display:grid;grid-template-columns:auto 1fr;
  gap:clamp(28px,5vw,72px);align-items:center}

.portrait{margin:0}
.portrait__frame{position:relative;display:block;width:clamp(140px,17vw,208px);
  aspect-ratio:1/1;border:1px solid var(--hairline-2);border-radius:50%;overflow:hidden;
  color:var(--amber);background:var(--bg)}
.portrait__mono{position:absolute;inset:0;width:100%;height:100%}
.portrait__mono text{font:500 26px/1 var(--mono);letter-spacing:.12em;
  fill:currentColor;opacity:.85}
.portrait__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.06);transition:filter .5s}
.portrait__frame:hover .portrait__img{filter:grayscale(0) contrast(1)}
/* touch devices can never hover, so don't strand them on the grey state */
@media (hover:none){.portrait__img{filter:none}}
.portrait__tick{position:absolute;width:9px;height:9px;border-color:var(--amber);
  border-style:solid;border-width:0;z-index:2}
.portrait__tick--tl{top:12px;left:12px;border-top-width:1px;border-left-width:1px}
.portrait__tick--br{bottom:12px;right:12px;border-bottom-width:1px;border-right-width:1px}

.contact__t{font-size:clamp(30px,5vw,62px);font-weight:600;letter-spacing:-.04em;
  line-height:1.04;margin-bottom:22px;text-wrap:balance}
.contact__s{color:var(--text-dim);max-width:50ch;margin-bottom:clamp(30px,4vw,44px);text-wrap:pretty}

.contact__links{display:grid;grid-template-columns:repeat(auto-fit,minmax(212px,1fr));
  gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
.clink{display:grid;gap:9px;background:var(--bg-alt);padding:22px 24px;
  transition:background .3s,color .3s}
.clink:hover{background:var(--amber);color:#08090A}
.clink__k{font:400 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-faint);transition:color .3s}
.clink:hover .clink__k{color:rgba(8,9,10,.65)}
.clink__v{font-size:15.5px;font-weight:500;letter-spacing:-.01em;word-break:break-word}

/* ── footer ──────────────────────────────────────────── */
.foot{border-top:1px solid var(--hairline);padding-block:30px}
.foot__in{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font:400 12px/1.5 var(--mono);letter-spacing:.05em;color:var(--text-faint)}
.foot__st{display:inline-flex;align-items:center;gap:8px}
.foot__led{width:5px;height:5px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 7px var(--amber);animation:beat 2.6s ease-in-out infinite}

/* ── responsive ──────────────────────────────────────── */
@media (max-width:1040px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:130px;gap:clamp(30px,5vw,48px)}
  .hero__canvas-wrap{order:1;justify-self:center;max-width:520px;max-height:none}
  .hero__body{order:2;max-width:none}
  .case__inner{grid-template-columns:1fr;gap:24px}
  .contact__grid{grid-template-columns:1fr;justify-items:start}
}
@media (max-width:760px){
  .metrics__grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .metric{padding-inline:0}
  .metric:nth-child(odd){border-left:0}
  .metric:nth-child(even){padding-left:clamp(16px,4vw,28px)}
  .mrow{grid-template-columns:1fr;gap:16px}
  .mrow__h{padding-top:0}
  .case__hd{grid-template-columns:1fr auto;gap:16px}
  .case__idx{display:none}
  .nav__links a{font-size:12px}
}
@media (max-width:420px){
  .hero__tags li{border-right:0;padding-right:0;margin-right:12px}
}

/* ── reduced motion ──────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  html.js [data-reveal],html.js .mask__i{opacity:1 !important;transform:none !important}
  html.js .rule{transform:scaleX(1) !important}
  .progress{display:none}
  .nav.is-hidden{transform:none}
}

html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}