/* Color language: blue = the model / analysis, orange = what actually flew. */
:root{
  --paper:#F2F4F6;
  --panel:#FFFFFF;
  --ink:#0E1B2C;
  --ink-2:#4A5869;
  --rule:#CDD5DE;
  --model:#3F6FA3;
  --flight:#F04A00;
  --flight-ink:#B83800;
  --tint:#E3E9EF;
  --ok:#2F9E5B;
  --maxw:1180px;
  --gutter:clamp(16px,4vw,40px);
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#0C141E;
    --panel:#121D2A;
    --ink:#E7ECF2;
    --ink-2:#9AA8B8;
    --rule:#26364A;
    --model:#7FA6D3;
    --flight:#FF6A26;
    --flight-ink:#FF8A55;
    --tint:#172435;
    --ok:#5BC98A;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;font-size:17px;line-height:1.55;
  font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration-color:var(--flight);text-underline-offset:3px;text-decoration-thickness:2px}
a:hover{color:var(--flight-ink)}
:focus-visible{outline:3px solid var(--flight);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums}
svg text{font-family:"Archivo",system-ui,sans-serif}
[hidden]{display:none!important}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{font-weight:800;font-variation-settings:"wdth" 118;letter-spacing:-.01em;text-decoration:none;font-size:17px;white-space:nowrap}
.nav ul{display:flex;gap:clamp(12px,2.6vw,28px);list-style:none;margin:0;padding:0;align-items:center}
.nav ul a{text-decoration:none;font-weight:500;font-size:15px;color:var(--ink-2)}
.nav ul a:hover{color:var(--ink)}
.nav .resume-link{color:var(--ink);border:1.5px solid var(--ink);padding:6px 12px;border-radius:999px}
@media (max-width:560px){.nav .hide-sm{display:none}}

/* ---------- Hero ---------- */
.hero{padding:clamp(32px,6vw,80px) 0 clamp(28px,4vw,48px)}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(24px,4vw,64px);align-items:end}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero h1{margin:0;font-weight:850;font-variation-settings:"wdth" 125;font-size:clamp(38px,5.3vw,72px);line-height:.96;letter-spacing:-.025em}
.hero h1 span{display:block}
.hero h1 .last{color:var(--flight)}
.hero .lede{font-size:clamp(17px,1.5vw,19px);color:var(--ink-2);max-width:34em;margin:0 0 24px}
.hero .lede strong{color:var(--ink);font-weight:600}
.hero .lede a{color:var(--ink);font-weight:600}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:650;font-size:16px;padding:12px 20px;border-radius:999px;text-decoration:none;cursor:pointer;border:1.5px solid var(--ink);background:transparent;color:var(--ink)}
.btn.primary{background:var(--flight);border-color:var(--flight);color:#0E1B2C}
.btn.primary:hover{background:#FF5E1A;color:#0E1B2C}
.btn:hover{color:var(--ink)}
.status{margin-top:22px;font-size:15px;color:var(--ink-2);display:flex;gap:8px;align-items:center}
.status .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 22%,transparent)}


/* ---------- Work: tabs ---------- */
#work{scroll-margin-top:60px}
.work-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px;padding-top:clamp(24px,4vw,40px);border-top:1px solid var(--rule)}
.work-head h2{margin:0;font-weight:800;font-variation-settings:"wdth" 120;font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em;line-height:1.05}
.work-head p{margin:6px 0 0;color:var(--ink-2);max-width:34em}

.mode{display:grid;grid-template-columns:1fr 1fr;border:1.5px solid var(--ink);border-radius:14px;padding:4px;gap:4px;min-width:min(100%,420px)}
.mode button{font:inherit;text-align:left;border:0;background:transparent;color:var(--ink);padding:9px 12px;border-radius:10px;cursor:pointer;line-height:1.25}
.mode button b{display:block;font-size:15px;font-weight:700}
.mode button span{font-size:13px;color:var(--ink-2)}
.mode button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.mode button[aria-pressed="true"] span{color:color-mix(in srgb,var(--paper) 75%,transparent)}

.tabbar{position:sticky;top:60px;z-index:10;background:var(--paper);margin-top:24px;border-bottom:1px solid var(--rule)}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tabs::-webkit-scrollbar{display:none}
.tabs button{font:inherit;flex:0 0 auto;text-align:left;border:0;background:transparent;color:var(--ink-2);padding:12px 14px 13px;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px;line-height:1.25}
.tabs button b{display:block;font-size:15px;font-weight:700;color:var(--ink)}
.tabs button span{font-size:13px}
.tabs button[aria-selected="true"]{border-bottom-color:var(--flight)}
.tabs button[aria-selected="true"] span{color:var(--flight-ink)}
.tabs button:hover b{color:var(--flight-ink)}

/* Panels */
.project{padding:clamp(28px,4vw,48px) 0 0;outline:none}
.p-head{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(20px,4vw,56px);align-items:start}
.p-head h3{margin:0 0 8px;font-weight:800;font-variation-settings:"wdth" 118;font-size:clamp(28px,3.8vw,46px);line-height:1.02;letter-spacing:-.02em}
.p-meta{color:var(--ink-2);font-size:15px;margin:0 0 16px}
.p-pitch{font-size:clamp(18px,1.7vw,21px);line-height:1.5;margin:0;max-width:36em}
.role{background:var(--panel);border:1px solid var(--rule);border-left:4px solid var(--flight);border-radius:10px;padding:16px 18px}
.role h4{margin:0 0 4px;font-size:14px;font-weight:600;color:var(--ink-2)}
.role p{margin:0;font-weight:600;font-size:17px;line-height:1.4}
.specs{display:grid;grid-template-columns:repeat(6,1fr);margin:28px 0 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.specs div{padding:14px 12px 14px 0}
.specs dt{font-size:13px;color:var(--ink-2)}
.specs dd{margin:2px 0 0;font-size:clamp(18px,1.8vw,22px);font-weight:700;font-variation-settings:"wdth" 108;font-variant-numeric:tabular-nums}
@media (max-width:860px){.p-head{grid-template-columns:1fr}.specs{grid-template-columns:repeat(3,1fr)}}

/* Summary view */
.sum{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(20px,4vw,48px);margin-top:28px;align-items:start}
.sum img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--tint);cursor:zoom-in}
.sum h4{margin:0 0 12px;font-size:16px;font-weight:700}
.takeaways{list-style:none;margin:0;padding:0}
.takeaways li{padding:12px 0 12px 22px;border-top:1px solid var(--rule);position:relative}
.takeaways li:first-child{border-top:0;padding-top:0}
.takeaways li::before{content:"";position:absolute;left:0;top:20px;width:9px;height:9px;border-radius:50%;background:var(--flight)}
.takeaways li:first-child::before{top:8px}
.takeaways b{font-weight:650}
.deeper{margin-top:20px}
@media (max-width:860px){.sum{grid-template-columns:1fr}}

/* Full view building blocks */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,36px);margin-top:32px}
.three h4{margin:0 0 8px;font-size:16px;font-weight:700}
.three ul{margin:0;padding-left:18px}
.three li{margin-bottom:6px}
.three p{margin:0}
@media (max-width:860px){.three{grid-template-columns:1fr}}
.quote{margin:32px 0 0;padding:18px 0 0;border-top:1px solid var(--rule);font-size:clamp(18px,1.8vw,22px);font-weight:500;max-width:40em}
.quote cite{display:block;font-style:normal;font-size:14px;color:var(--ink-2);margin-top:6px}

.instruments{display:grid;grid-template-columns:1.3fr 1fr;gap:16px;margin-top:32px}
.instruments.alt{grid-template-columns:1fr 1.3fr}
@media (max-width:900px){.instruments,.instruments.alt{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:clamp(16px,2.4vw,24px)}
.panel h4{margin:0 0 4px;font-size:17px;font-weight:700}
.panel .sub{margin:0 0 14px;color:var(--ink-2);font-size:15px}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-2);margin-top:10px}
.legend i{display:inline-block;width:18px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}

.sm-svg{width:100%;height:auto;overflow:visible}
.sm-read{display:flex;flex-wrap:wrap;gap:6px 22px;align-items:baseline;margin:6px 0 8px}
.sm-read .big{font-size:40px;font-weight:800;font-variation-settings:"wdth" 112;line-height:1}
.sm-read .zone{font-weight:600}
.sm-note{font-size:15px;color:var(--ink-2);min-height:3em;margin:0 0 12px}
input[type=range]{width:100%;accent-color:var(--flight);height:28px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.linkbtn{font:inherit;font-size:15px;font-weight:650;background:none;border:0;color:var(--ink);text-decoration:underline;text-decoration-color:var(--flight);text-underline-offset:4px;text-decoration-thickness:2px;cursor:pointer;padding:4px 0}
.linkbtn:hover{color:var(--flight-ink)}

.gauge{margin:14px 0 18px}
.gauge .lbl{display:flex;justify-content:space-between;font-size:15px;margin-bottom:6px}
.gauge .lbl b{font-variant-numeric:tabular-nums}
.track{position:relative;height:12px;border-radius:6px;background:var(--tint)}
.band{position:absolute;top:0;bottom:0;background:color-mix(in srgb,var(--model) 30%,transparent);border-radius:6px}
.mark{position:absolute;top:-5px;width:4px;height:22px;background:var(--flight);border-radius:2px;transform:translateX(-2px)}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-2);margin-top:4px;font-variant-numeric:tabular-nums}

.log{list-style:none;margin:0;padding:0}
.log li{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--rule)}
.log li:first-child{border-top:0;padding-top:0}
.log .n{font-weight:800;font-variation-settings:"wdth" 112;font-size:15px;white-space:nowrap}
.log .n small{display:block;font-weight:600;font-size:12px;color:var(--ok)}
.log .n small.warn{color:var(--flight-ink)}
.log p{margin:0;font-size:15px}

.glide-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(18px,3vw,36px);align-items:center}
@media (max-width:900px){.glide-grid{grid-template-columns:1fr}}
.glide svg{width:100%;height:auto}
.gap-stat{font-size:clamp(44px,6vw,72px);font-weight:850;font-variation-settings:"wdth" 120;line-height:.95;letter-spacing:-.02em;color:var(--flight)}
.gap-stat + p{margin:6px 0 16px;color:var(--ink-2)}
.why{margin:0;padding-left:18px}
.why li{margin-bottom:6px}

.media{display:grid;grid-template-columns:repeat(12,1fr);gap:12px;margin-top:28px}
.media figure{margin:0}
.media img{width:100%;height:100%;object-fit:cover;border-radius:12px;background:var(--tint);cursor:zoom-in}
.media .fit img{object-fit:contain;background:var(--tint)}
.media video{width:100%;border-radius:12px;background:#000;aspect-ratio:16/9;object-fit:contain}
.media .frame{aspect-ratio:4/3;overflow:hidden;border-radius:12px}
.media figcaption{font-size:13px;color:var(--ink-2);margin-top:6px}
.s4{grid-column:span 4}.s6{grid-column:span 6}.s12{grid-column:span 12}
.s8{grid-column:span 8}
@media (max-width:760px){.s4,.s6{grid-column:span 12}}

.writeup{margin-top:32px;border-top:1px solid var(--rule);padding-top:24px}
.writeup > h4{margin:0 0 16px;font-size:18px;font-weight:700}
.writeup .cols{columns:2 340px;column-gap:40px}
.writeup .cols > div{break-inside:avoid;margin-bottom:18px}
.writeup h5{margin:0 0 4px;font-size:15px;font-weight:700}
.writeup p{margin:0;font-size:16px;color:var(--ink-2)}
.writeup p strong{color:var(--ink);font-weight:600}

.figrow{display:flex;flex-wrap:wrap;gap:22px;margin-top:4px}
.figrow div{min-width:96px;max-width:170px}
.figrow b{display:block;font-size:26px;font-weight:800;font-variation-settings:"wdth" 110;font-variant-numeric:tabular-nums;line-height:1.1}
.figrow span{font-size:13px;color:var(--ink-2)}
.wip-card{background:var(--ink);color:var(--paper);border-radius:14px;padding:clamp(20px,3vw,32px);margin-top:28px}
.wip-card p{margin:0;max-width:44em}
@media (prefers-color-scheme: dark){.wip-card{background:var(--panel);color:var(--ink);border:1px solid var(--rule)}}
.next{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:18px;border-top:1px solid var(--rule)}


/* ---------- Skills ---------- */
.band-sec{padding:clamp(56px,8vw,104px) 0 0}
.sec-title{margin:0 0 8px;font-weight:800;font-variation-settings:"wdth" 120;font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em;line-height:1.05}
.sec-sub{margin:0 0 24px;color:var(--ink-2)}
.skills{width:100%;border-collapse:collapse}
.skills th,.skills td{text-align:left;vertical-align:top;padding:16px 16px 16px 0;border-top:1px solid var(--rule)}
.skills thead th{font-size:13px;font-weight:600;color:var(--ink-2);border-top:0;padding-top:0;padding-bottom:10px}
.skills tbody th{font-size:17px;font-weight:700;width:22%}
.skills td.items{width:54%}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:14px;background:var(--panel);border:1px solid var(--rule);padding:4px 10px;border-radius:7px;line-height:1.4}
.proof{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:15px}
.proof a{font-weight:600}
@media (max-width:760px){
  .skills thead{display:none}
  .skills tr{display:block;border-top:1px solid var(--rule);padding:16px 0}
  .skills th,.skills td{display:block;border:0;padding:0;width:auto!important}
  .skills tbody th{margin-bottom:10px}
  .skills td.used{margin-top:12px}
  .skills td.used::before{content:"Used in";display:block;font-size:13px;color:var(--ink-2);margin-bottom:4px}
}

/* ---------- About & contact ---------- */
.about{display:grid;grid-template-columns:.8fr 1.4fr;gap:clamp(20px,4vw,48px);align-items:center}
.about img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:14px;background:var(--tint);cursor:zoom-in}
.about p{margin:0 0 14px;font-size:18px;max-width:38em}
.about p:last-child{margin-bottom:0}
@media (max-width:760px){.about{grid-template-columns:1fr}.about img{aspect-ratio:16/10;max-height:340px}}
.contact{margin-top:clamp(56px,8vw,104px);padding:clamp(40px,6vw,72px) 0;border-top:1px solid var(--rule)}
.contact h2{margin:0 0 14px;font-weight:850;font-variation-settings:"wdth" 125;font-size:clamp(34px,5.4vw,68px);letter-spacing:-.025em;line-height:1}
.contact p{color:var(--ink-2);margin:0 0 24px;font-size:18px}
footer{padding:20px 0 40px;color:var(--ink-2);font-size:14px}

/* ---------- Wind tunnel ---------- */
/* Explorer swatches use the same colors as John's MATLAB lift plot: blue = in tunnel, orange = free air. */
:root{--c-tunnel:#0072BD;--c-free:#D95319} /* matches the MATLAB figure colors */
@media (max-width:760px){.s8{grid-column:span 12}}
.sec-h{margin:48px 0 0;padding-top:22px;border-top:1px solid var(--rule);font-size:clamp(20px,2.3vw,26px);font-weight:800;font-variation-settings:"wdth" 115;letter-spacing:-.01em;line-height:1.15}
.sec-h + .instruments,.sec-h + .panel{margin-top:16px}

.seg{display:inline-grid;grid-auto-flow:column;border:1.5px solid var(--ink);border-radius:999px;padding:3px;gap:2px;flex:0 0 auto}
.seg button{font:inherit;font-size:14px;font-weight:650;border:0;background:transparent;color:var(--ink);padding:6px 14px;border-radius:999px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}

.ex-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(16px,2.6vw,28px);margin-top:10px;align-items:start}
@media (max-width:900px){.ex-grid{grid-template-columns:1fr}}
.ex-frames{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ex-frames figure{margin:0;min-width:0}
.ex-frames figcaption{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:650;margin:0 0 6px}
.ex-frames img{width:100%;aspect-ratio:855/721;object-fit:cover;border-radius:8px;background:var(--tint);cursor:zoom-in;transition:opacity .15s}
.ex-scale{grid-column:1/-1;margin:2px 0 0;font-size:13px;color:var(--ink-2)}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;flex:0 0 auto}
.sw-t{background:var(--c-tunnel)}.sw-f{background:var(--c-free)}
.ex-chart svg{width:100%;height:auto;display:block;touch-action:pan-y}
.legend i.dash{background:none;height:0;border-top:2px dashed var(--ink-2);border-radius:0}
.ex-controls{margin-top:16px;max-width:620px}
.ex-controls .ticks{padding:0 2px}
.ex-read{display:grid;grid-template-columns:auto auto auto 1fr;gap:8px clamp(18px,3vw,36px);align-items:end;margin-top:16px;padding-top:16px;border-top:1px solid var(--rule)}
.ex-read span{display:block;font-size:13px;color:var(--ink-2)}
.ex-read b{font-size:clamp(26px,3vw,34px);font-weight:800;font-variation-settings:"wdth" 112;line-height:1.05}
.ex-read small{margin-left:6px;font-size:15px;font-weight:650;color:var(--ink-2)}
.ex-read p{margin:0;font-size:15px;color:var(--ink-2);align-self:center;max-width:36em}
.ex-read p strong{color:var(--ink);font-weight:650}
@media (max-width:760px){.ex-read{grid-template-columns:repeat(3,1fr)}.ex-read p{grid-column:1/-1;min-height:4.5em}}

.data-table{margin-top:16px}
.data-table summary{cursor:pointer;font-weight:650;font-size:15px;text-decoration:underline;text-decoration-color:var(--flight);text-underline-offset:4px;text-decoration-thickness:2px;width:max-content}
.tbl-wrap{overflow-x:auto;margin-top:10px}
.data-table table,.dims{border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:14px;width:100%}
.data-table th,.data-table td{text-align:right;padding:8px 0 8px 14px;border-top:1px solid var(--rule);white-space:nowrap}
.data-table th:first-child,.data-table td:first-child{text-align:left;padding-left:0}
.data-table thead th{border-top:0;color:var(--ink-2);font-weight:600;font-size:13px}
.dims th,.dims td{text-align:left;vertical-align:top;padding:9px 12px 9px 0;border-top:1px solid var(--rule);font-size:15px}
.dims thead th{border-top:0;font-size:13px;font-weight:600;color:var(--ink-2);padding-top:0}
.dims tbody th{font-weight:650;white-space:nowrap}
.dims tbody td{color:var(--ink-2)}
.dims tr.tot th,.dims tr.tot td{color:var(--ink);font-weight:700}

.decisions{display:grid;gap:14px;margin-top:10px}
.decisions h5{margin:0 0 3px;font-size:15px;font-weight:700}
.decisions p{margin:0;font-size:15px;color:var(--ink-2)}

.mplot-fig{margin:0;min-width:0}
.mplot-fig figcaption{font-size:14px;font-weight:650;margin:0 0 6px}
.mplot{position:relative;border-radius:8px;background:#fff;cursor:crosshair;touch-action:pan-y}
.mplot img{width:100%;height:auto;display:block;border-radius:8px}
.m-cur{position:absolute;width:0;border-left:2px dashed rgba(14,27,44,.6);transform:translateX(-1px);pointer-events:none;transition:left .2s}
.m-ring{position:absolute;width:clamp(18px,4.6%,30px);aspect-ratio:1;border-radius:50%;border:3px solid #0E1B2C;box-shadow:0 0 0 2px #fff,inset 0 0 0 2px #fff;transform:translate(-50%,-50%);pointer-events:none;transition:left .2s,top .2s}
@media (prefers-reduced-motion: reduce){.m-cur,.m-ring{transition:none}}
.smoke-main,.smoke-thumbs{max-width:860px;margin-left:auto;margin-right:auto}
.smoke-main img{width:100%;aspect-ratio:910/628;object-fit:cover;border-radius:10px;background:#000;cursor:zoom-in;display:block}
.smoke-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px}
.smoke-thumbs button{font:inherit;border:2px solid transparent;background:none;padding:0;border-radius:9px;cursor:pointer;color:var(--ink);text-align:center}
.smoke-thumbs button img{width:100%;aspect-ratio:910/628;object-fit:cover;border-radius:7px;display:block;opacity:.7;transition:opacity .15s}
.smoke-thumbs button span{display:block;font-size:13px;font-weight:650;padding:4px 0 2px}
.smoke-thumbs button[aria-pressed="true"]{border-color:var(--flight)}
.smoke-thumbs button[aria-pressed="true"] img,.smoke-thumbs button:hover img{opacity:1}
.ex-top .ex-frames{margin-top:10px}
.ex-bottom{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(18px,3vw,36px);align-items:start;margin-top:22px;padding-top:20px;border-top:1px solid var(--rule)}
@media (max-width:900px){.ex-bottom{grid-template-columns:1fr}}
.ex-read.side{grid-template-columns:repeat(3,auto);justify-content:start;margin-top:26px;padding-top:0;border-top:0;gap:14px 26px}
.ex-read.side p{grid-column:1/-1;min-height:7.5em;align-self:start;font-size:16px}
@media (max-width:900px){.ex-read.side{margin-top:4px}.ex-read.side p{min-height:4.5em}}
.ex-controls{max-width:none}
.ex-read.side{display:block;margin-top:26px}
.ex-read.side > div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-top:1px solid var(--rule)}
.ex-read.side > div:first-child{border-top:0;padding-top:0}
.ex-read.side > div span{font-size:15px;margin:0}
.ex-read.side b{font-size:clamp(24px,2.4vw,30px)}
.ex-read.side p{margin-top:14px;min-height:7.5em}
@media (max-width:900px){.ex-read.side{margin-top:6px}.ex-read.side p{min-height:4.5em}}
.instr{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;align-items:start}
@media (max-width:900px){.instr{grid-template-columns:1fr}}
.instr > *{min-width:0}
.instr-photo{margin:0}
.instr-photo .frame{aspect-ratio:1800/988;overflow:hidden;border-radius:12px}
.instr-photo img{width:100%;height:100%;object-fit:cover;cursor:zoom-in}
.instr-photo figcaption{font-size:13px;color:var(--ink-2);margin-top:6px}
.instruments > *,.calib-grid > *,.ex-grid > *,.ex-bottom > *,.media > *{min-width:0}
.code{margin:0 0 14px;background:#0E1B2C;color:#E7ECF2;border-radius:10px;padding:14px 16px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;tab-size:4}
.code .k{color:#FF8A55}.code .f{color:#9CC3F0}.code .c{color:#93A3B5}.code .n{color:#F2C46D}
@media (prefers-color-scheme: dark){.code{background:#08111B;border:1px solid var(--rule)}}
.panel code{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--tint);padding:1px 5px;border-radius:4px}
.code code{background:none;padding:0;font:inherit}
.feat{list-style:none;margin:0;padding:0}
.feat li{font-size:15px;padding:7px 0;border-top:1px solid var(--rule);color:var(--ink-2)}
.feat li b{color:var(--ink);font-weight:650}
.dl{margin:14px 0 0;font-size:15px;font-weight:650}

.calib{margin-top:16px}
.calib-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(18px,3vw,40px);align-items:start}
@media (max-width:900px){.calib-grid{grid-template-columns:1fr}}
.eq > div{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 16px;padding:12px 0;border-top:1px solid var(--rule);font-variant-numeric:tabular-nums}
.eq span{font-size:15px;color:var(--ink-2)}
.eq b{font-size:clamp(22px,2.4vw,28px);font-weight:800;font-variation-settings:"wdth" 110}
.files{line-height:1.9}
.files a{font-weight:650;color:var(--ink)}

dialog.lb{border:0;padding:0;background:transparent;max-width:min(1200px,94vw);max-height:92vh}
dialog.lb::backdrop{background:rgba(6,12,20,.86)}
dialog.lb img{max-height:84vh;width:auto;border-radius:10px;margin:0 auto}
dialog.lb p{color:#E7ECF2;text-align:center;font-size:14px;margin:10px 0 0}
dialog.lb button{position:fixed;top:16px;right:16px;font:inherit;font-weight:600;background:#fff;color:#0E1B2C;border:0;border-radius:999px;padding:8px 14px;cursor:pointer}


/* =====================================================================
   Multi-page layout (v9): welcome page, project cards, project pages
   ===================================================================== */
body.page,body.home{background:var(--paper)}
.brand .short-name{display:none}
.nav ul a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--flight);text-underline-offset:6px;text-decoration-thickness:2px}
@media (max-width:560px){
  .brand .full-name{display:none}.brand .short-name{display:inline}
  .nav ul{gap:12px}.nav ul a{font-size:14px}
  .nav .resume-link{padding:5px 10px}
}

/* ---------- Welcome ---------- */
.welcome{min-height:calc(100vh - 60px);min-height:calc(100svh - 60px);display:flex;align-items:center;padding:clamp(32px,6vw,72px) 0}
.welcome .wrap{width:100%}
.welcome-grid{display:grid;grid-template-columns:1.25fr .8fr;gap:clamp(28px,5vw,72px);align-items:center}
@media (max-width:860px){.welcome-grid{grid-template-columns:1fr}.welcome{min-height:0}}
.hello{margin:0 0 10px;font-size:15px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--flight-ink)}
.welcome h1{margin:0 0 22px;font-weight:850;font-variation-settings:"wdth" 125;font-size:clamp(46px,7.4vw,104px);line-height:.95;letter-spacing:-.03em}
.welcome h1 span{color:var(--flight)}
.intro{font-size:clamp(18px,1.7vw,22px);line-height:1.55;color:var(--ink-2);max-width:32em;margin:0 0 28px}
.welcome-photo{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 40%;border-radius:18px;background:var(--tint)}
@media (max-width:860px){.welcome-photo{aspect-ratio:4/3;max-height:420px}}

/* ---------- Project cards ---------- */
.projects-sec{padding:clamp(40px,6vw,80px) 0 clamp(16px,3vw,32px);border-top:1px solid var(--rule);scroll-margin-top:60px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(14px,2vw,22px)}
@media (max-width:760px){.cards{grid-template-columns:1fr}}
.card{position:relative;display:block;aspect-ratio:16/10;border-radius:16px;overflow:hidden;text-decoration:none;color:#fff;background:#0E1B2C;isolation:isolate}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease;z-index:-2}
.card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,14,22,0) 35%,rgba(8,14,22,.55) 62%,rgba(8,14,22,.9) 100%)}
.card:hover img{transform:scale(1.04)}
.card:hover{color:#fff}
.card-text{position:absolute;left:0;right:0;bottom:0;padding:clamp(16px,2.4vw,26px)}
.card-meta{display:block;font-size:14px;font-weight:600;opacity:.85;margin-bottom:4px}
.card-title{display:block;font-weight:800;font-variation-settings:"wdth" 115;font-size:clamp(22px,2.6vw,32px);line-height:1.08;letter-spacing:-.01em;max-width:18em}
.card-go{display:inline-block;margin-top:10px;font-size:14px;font-weight:650;border-bottom:2px solid var(--flight);padding-bottom:1px;opacity:.9}
.card:hover .card-go{opacity:1}
.card:focus-visible{outline:3px solid var(--flight);outline-offset:3px}
.card.no-img{background:#0E1B2C}
.card-pattern{position:absolute;inset:0;z-index:-2;background:
  radial-gradient(circle at 78% 34%,rgba(240,74,0,.55) 0 46px,transparent 47px),
  radial-gradient(circle at 78% 34%,transparent 0 70px,rgba(240,74,0,.35) 71px 73px,transparent 74px),
  radial-gradient(rgba(255,255,255,.09) 1.2px,transparent 1.6px) 0 0/18px 18px,#0E1B2C}
@media (prefers-reduced-motion: reduce){.card img{transition:none}.card:hover img{transform:none}}

/* ---------- Project pages ---------- */
.back{display:inline-block;margin-top:clamp(20px,3vw,32px);font-size:15px;font-weight:650;text-decoration:none;color:var(--ink-2)}
.back:hover{color:var(--flight-ink)}
.page-project{padding-top:clamp(12px,2vw,20px)}
.p-head h1{margin:0 0 8px;font-weight:800;font-variation-settings:"wdth" 118;font-size:clamp(30px,4.2vw,52px);line-height:1.02;letter-spacing:-.02em}
.dive-h{margin:clamp(48px,6vw,72px) 0 0;padding-top:22px;border-top:2px solid var(--ink);font-weight:800;font-variation-settings:"wdth" 120;font-size:clamp(24px,3vw,34px);letter-spacing:-.02em;line-height:1.1}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:clamp(48px,6vw,72px);padding-top:20px;border-top:1px solid var(--rule)}
.pn a{text-decoration:none;display:block;padding:14px 16px;border:1px solid var(--rule);border-radius:12px;background:var(--panel)}
.pn a:hover{border-color:var(--flight)}
.pn span{display:block;font-size:13px;color:var(--ink-2)}
.pn b{display:block;font-size:17px;font-weight:700;margin-top:2px}
.pn .pn-next{text-align:right;grid-column:2}
@media (max-width:560px){.pn{grid-template-columns:1fr}.pn .pn-next{grid-column:1;text-align:left}}

/* ---------- About page ---------- */
.about-page{padding:clamp(28px,5vw,64px) 0 0}
.page-title{margin:0 0 16px;font-weight:850;font-variation-settings:"wdth" 125;font-size:clamp(38px,5.4vw,68px);letter-spacing:-.025em;line-height:1}
.about-lede{font-size:clamp(19px,1.8vw,23px)!important;color:var(--ink);font-weight:500}
.about img{aspect-ratio:4/5}
.legacy{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(20px,4vw,48px);align-items:center;margin-top:clamp(48px,7vw,88px)}
@media (max-width:860px){.legacy{grid-template-columns:1fr}}
.legacy p{font-size:18px;margin:0;max-width:36em}
.legacy-photos{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.legacy-photos figure{margin:0}
.legacy-photos img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px;background:var(--tint);cursor:zoom-in}
.legacy-photos figcaption{font-size:13px;color:var(--ink-2);margin-top:6px}
.nav ul a{white-space:nowrap}
@media (max-width:420px){.nav ul{gap:10px}.nav ul a{font-size:13px}.nav .resume-link{padding:4px 9px}.brand{font-size:15px}}
@media (max-width:760px){.card{aspect-ratio:4/3}}

/* v9.1: text-only welcome, photo-free about intro */
.welcome-grid{grid-template-columns:1fr}
.welcome-grid > div{max-width:980px}
.welcome{min-height:calc(82vh - 60px);min-height:calc(82svh - 60px)}
.welcome h1{font-size:clamp(44px,7vw,100px)}
.welcome .intro{max-width:38em}
.about-solo{grid-template-columns:1fr}
.about-solo > div{max-width:48em}
.legacy p + p{margin-top:14px}

/* v9.2: About intro with CU Engineering logo beside the IDE paragraph */
.about-intro{max-width:var(--maxw)}
.about-intro .about-lede{max-width:40em;margin:0 0 28px}
.ide-row{display:grid;grid-template-columns:minmax(0,1fr) clamp(180px,22vw,260px);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(20px,3vw,28px);background:var(--panel);border:1px solid var(--rule);border-radius:16px;max-width:980px}
.ide-row p{margin:0;font-size:18px;line-height:1.6}
.cu-logo{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;display:block;background:#000}
@media (max-width:700px){.ide-row{grid-template-columns:1fr}.cu-logo{width:160px;order:-1}}