/* =========================================================
   Stephen Quartarone — Engineering Portfolio
   Drafting-paper theme · shared by every page
   ========================================================= */

:root{
  /* surfaces */
  --bg:#f5f4ef;              /* original portfolio paper */
  --bg-2:#efeee8;
  --panel:#ffffff;
  --sheet:#ffffff;
  --dark:#17191a;

  /* ink */
  --ink:#121416;
  --ink-2:#464c52;
  --ink-3:#6b7177;

  /* linework */
  --line:#dddbd3;
  --line-strong:#c4c1b7;
  --grid-minor:rgba(45,62,80,.045);
  --grid-major:rgba(45,62,80,.08);

  /* signal colors */
  --accent:#a93229;          /* redline: results, CTAs */
  --accent-hi:#c03b30;
  --accent-ink:#ffffff;
  --steel:#3d5873;           /* drafting linework, numbering */
  --brass:#e2b85e;           /* readouts on dark panels */

  /* type */
  --sans:"Barlow",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --cond:"Barlow Condensed","Barlow",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --max:1120px;
  --gutter:clamp(20px,5vw,64px);
  --header-h:66px;
  --radius:3px;
  --shadow:0 18px 40px -22px rgba(18,20,22,.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* drafting grid, fixed behind everything */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(var(--grid-major) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),
    linear-gradient(var(--grid-minor) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-minor) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  background-position:-1px -1px;
}

a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:calc(var(--max) + var(--gutter) * 2);margin:0 auto;padding:0 var(--gutter)}

.skip-link{
  position:absolute;left:12px;top:-60px;z-index:100;
  padding:10px 14px;background:var(--accent);color:var(--accent-ink);font-weight:600
}
.skip-link:focus{top:12px}

/* ---------- shared atoms ---------- */
.label{
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin:0;
  font-family:var(--mono);font-size:12.5px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent)
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent);flex:none}

/* corner registration ticks — add .ticks to any box */
.ticks{position:relative}
.ticks::before{
  content:"";position:absolute;inset:-1px;pointer-events:none;z-index:2;
  --t:var(--tick-color,var(--steel));--s:var(--tick-size,12px);
  background:
    linear-gradient(var(--t),var(--t)) top left/var(--s) 1.5px no-repeat,
    linear-gradient(var(--t),var(--t)) top left/1.5px var(--s) no-repeat,
    linear-gradient(var(--t),var(--t)) top right/var(--s) 1.5px no-repeat,
    linear-gradient(var(--t),var(--t)) top right/1.5px var(--s) no-repeat,
    linear-gradient(var(--t),var(--t)) bottom left/var(--s) 1.5px no-repeat,
    linear-gradient(var(--t),var(--t)) bottom left/1.5px var(--s) no-repeat,
    linear-gradient(var(--t),var(--t)) bottom right/var(--s) 1.5px no-repeat,
    linear-gradient(var(--t),var(--t)) bottom right/1.5px var(--s) no-repeat;
  opacity:var(--tick-opacity,.9);
  transition:opacity .25s ease,inset .25s ease;
}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  min-height:44px;padding:0 18px;border:1px solid var(--line-strong);border-radius:var(--radius);
  font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);background:rgba(255,255,255,.8);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn--primary:hover{background:var(--accent-hi);border-color:var(--accent-hi);color:var(--accent-ink)}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

.chip{
  display:inline-flex;align-items:center;
  padding:5px 9px;border:1px solid var(--line);border-radius:2px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:var(--ink-2);
  background:var(--panel);white-space:nowrap
}

/* organization logos */
.org{display:flex;align-items:center;gap:10px;min-width:0}
.org-logo{height:24px;width:auto;flex:none;object-fit:contain}
.org .label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mark{
  display:inline-grid;place-items:center;flex:none;width:24px;height:24px;
  border:1px solid var(--ink);font-family:var(--cond);font-weight:700;font-size:11px;letter-spacing:.02em;color:var(--ink);background:var(--panel)
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;height:var(--header-h);
  background:rgba(245,244,239,.9);
  backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:calc(var(--max) + var(--gutter) * 2);height:100%;margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  --tick-size:6px;--tick-color:var(--accent);
  display:grid;place-items:center;width:36px;height:36px;flex:none;
  border:1px solid var(--line-strong);background:var(--panel);
  font-family:var(--cond);font-weight:700;font-size:16px;letter-spacing:.02em;color:var(--ink);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{font-family:var(--cond);font-weight:600;font-size:19px;letter-spacing:.02em;white-space:nowrap}
.brand-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}

.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;padding:8px 11px;
  font-family:var(--mono);font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);
  transition:color .2s ease
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:1.5px;background:var(--accent)
}
.nav-links .nav-cta{margin-left:10px;border:1px solid var(--accent);color:var(--accent);border-radius:var(--radius)}
.nav-links .nav-cta:hover{background:var(--accent);color:var(--accent-ink)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius);color:var(--ink);cursor:pointer
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:1.5px;background:currentColor;position:relative;transition:transform .2s ease
}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

.progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--p,0));
}

/* ---------- section heads ---------- */
.section{padding:80px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{margin-bottom:36px}
.section-rule{
  display:flex;align-items:center;gap:16px;margin-bottom:20px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)
}
.section-rule .num{color:var(--steel);font-weight:600}
.section-rule .rule{
  flex:1;height:9px;
  background:
    linear-gradient(var(--line-strong),var(--line-strong)) center/100% 1px no-repeat,
    repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 24px) center/100% 9px no-repeat;
}
.section-rule .live{display:inline-flex;align-items:center;gap:8px;color:var(--accent)}
.section-rule .live i{
  width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.8s ease-out infinite
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(169,50,41,.45)}80%,100%{box-shadow:0 0 0 9px rgba(169,50,41,0)}}
.section-head-row{display:flex;justify-content:space-between;align-items:end;gap:20px 40px;flex-wrap:wrap}
h2.title{
  margin:0;font-family:var(--cond);font-weight:600;
  font-size:clamp(36px,4.6vw,58px);line-height:1;letter-spacing:-.01em
}
.section-intro{max-width:420px;margin:0;color:var(--ink-2);font-size:16.5px}

/* ---------- home hero ---------- */
.hero{position:relative;padding:64px 0 56px;overflow:hidden}
.hero h1{
  margin:18px 0 20px;font-family:var(--cond);font-weight:700;text-transform:uppercase;
  font-size:clamp(50px,7.6vw,100px);line-height:.92;letter-spacing:-.005em
}
.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px 48px;flex-wrap:wrap}
.hero-lead{max-width:540px;margin:0;color:var(--ink-2);font-size:18.5px;line-height:1.6}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

.hero-drawing{
  position:absolute;right:-110px;top:-140px;width:600px;height:600px;z-index:-1;pointer-events:none;
  color:var(--steel);opacity:.22
}
.hero-drawing .draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.6s cubic-bezier(.6,.1,.2,1) forwards}
.hero-drawing .d2{animation-delay:.3s}
.hero-drawing .d3{animation-delay:.6s}
.hero-drawing .fade{opacity:0;animation:fadein 1s ease 1.6s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}

/* ---------- project grid ---------- */
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.card{
  --tick-opacity:0;--tick-color:var(--accent);
  display:flex;flex-direction:column;min-width:0;
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{--tick-opacity:1;border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.card:hover::before{inset:-6px}

.plate{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sheet);
  border-bottom:1px solid var(--line)
}
.plate img{width:100%;height:100%;object-fit:contain;padding:12px;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.plate.photo{background:var(--bg-2)}
.plate.photo img{object-fit:cover;padding:0}
.card:hover .plate img{transform:scale(1.03)}
.plate-id{
  position:absolute;left:0;top:0;z-index:1;padding:6px 10px;
  background:var(--dark);color:#fff;
  font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.08em
}
.plate-id b{color:#ff8a7e;font-weight:600}
.plate-open{
  position:absolute;right:10px;bottom:10px;z-index:1;padding:7px 11px;
  background:var(--accent);color:var(--accent-ink);
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease
}
.card:hover .plate-open,.card:focus-visible .plate-open{opacity:1;transform:none}

.card-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px}
.card-body .org{margin-bottom:14px}
.card h3{margin:0 0 8px;font-family:var(--cond);font-weight:600;font-size:25px;line-height:1.08}
.card-summary{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.55}
.metric{
  display:flex;align-items:baseline;gap:12px;margin-top:auto;padding-top:14px;
  border-top:1px dashed var(--line-strong)
}
.card-body .metric{margin-top:auto}
.card-body .card-summary{margin-bottom:16px}
.metric strong{font-family:var(--cond);font-weight:600;font-size:28px;line-height:1;color:var(--accent);white-space:nowrap}
.metric span{color:var(--ink-3);font-size:13.5px;line-height:1.35}

/* wide feature cards: photo and description side by side; --flip mirrors them */
.card--feature{grid-column:1/-1;flex-direction:row}
.card--feature .plate{flex:0 0 55%;aspect-ratio:auto;min-height:360px;border-bottom:0;border-right:1px solid var(--line)}
.card--feature .plate img{position:absolute;inset:0}
.card--flip{flex-direction:row-reverse}
.card--flip .plate{border-right:0;border-left:1px solid var(--line)}
.card--feature .card-body{justify-content:center;padding:30px 34px}
.card--feature h3{font-size:clamp(30px,3vw,38px);margin-bottom:10px}
.card--feature .card-summary{font-size:17px;margin-bottom:22px}
.metric-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:16px;border-top:1px dashed var(--line-strong)}
.metric-pair div{display:flex;flex-direction:column;gap:6px}
.metric-pair strong{font-family:var(--cond);font-weight:600;font-size:34px;line-height:1;color:var(--accent);white-space:nowrap}
.metric-pair span{color:var(--ink-3);font-size:13.5px;line-height:1.35}

/* ---------- working on ---------- */
.wip{
  --tick-size:14px;
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  background:var(--panel);border:1px solid var(--line-strong)
}
.wip-media{margin:0;display:flex;flex-direction:column;border-right:1px solid var(--line-strong);min-width:0}
.stage{
  position:relative;flex:1;min-height:0;aspect-ratio:470/440;overflow:hidden;
  background:radial-gradient(120% 95% at 50% 16%,#3b4a51 0%,#2a353b 58%,#1f282c 100%)
}
.stage canvas{display:block;width:100%;height:100%}
.stage-tag{
  position:absolute;right:10px;top:10px;z-index:1;padding:5px 8px;
  background:rgba(14,19,22,.8);color:#cfd6d8;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase
}
.dro{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;padding:12px 16px;
  background:#11181b;color:#e9ecea;
  font:500 12.5px/1.2 var(--mono);font-variant-numeric:tabular-nums
}
.dro .ax i{font-style:normal;color:#8d989d;margin-right:7px}
.dro .ax b{font-weight:500;color:var(--brass)}
.dro .st{display:flex;align-items:center;gap:8px;margin-left:auto}
.dro .led{width:8px;height:8px;border-radius:50%;background:#3d9a63;box-shadow:0 0 0 3px rgba(61,154,99,.25)}
.dro .led.hot{background:#e0603a;box-shadow:0 0 0 3px rgba(224,96,58,.3)}

.wip-body{display:flex;flex-direction:column;padding:28px 32px 30px;min-width:0}
.wip-body .org{margin-bottom:16px}
.wip-body h3{margin:0 0 12px;font-family:var(--cond);font-weight:700;font-size:clamp(36px,3.8vw,50px);line-height:1;text-transform:uppercase}
.wip-body .card-summary{font-size:16.5px}
.wip-list{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px dashed var(--line-strong);display:grid;gap:9px}
.wip-list li{position:relative;padding-left:22px;color:var(--ink-2);font-size:15.5px;line-height:1.55}
.wip-list li::before{content:"";position:absolute;left:2px;top:.6em;width:8px;height:8px;border:1.5px solid var(--accent);transform:rotate(45deg)}
.wip-list strong{color:var(--ink);font-weight:600}
.wip-specs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:18px}
.wip-specs .label{margin-right:6px}
.wip-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:24px}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:minmax(240px,300px) minmax(0,1fr);gap:56px;align-items:center}
.spec-card{--tick-size:14px;background:var(--panel);border:1px solid var(--line-strong)}
.spec-photo{position:relative;aspect-ratio:1/1;overflow:hidden;border-bottom:1px solid var(--line-strong);background:#c8ccd0}
.spec-photo img{width:100%;height:100%;object-fit:cover}
.spec-tag{
  position:absolute;left:10px;bottom:10px;padding:4px 8px;
  background:rgba(23,25,26,.8);font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#e7e9ea
}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px}
.spec-table th,.spec-table td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table th{
  width:34%;font-family:var(--mono);font-weight:500;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);
  border-right:1px solid var(--line)
}
.spec-table td{color:var(--ink);font-weight:500}
.about-main h2.title{margin-bottom:16px}
.about-copy{max-width:600px;margin:0 0 22px;color:var(--ink-2);font-size:18px;line-height:1.7}
.focus-list{display:flex;flex-wrap:wrap;gap:8px}
.focus-list .chip{font-size:12px;padding:7px 11px;color:var(--ink)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:64px;align-items:end}
.contact-copy{margin:20px 0 0;max-width:520px;color:var(--ink-2);font-size:18px;line-height:1.6}
.contact-list{border:1px solid var(--line-strong);background:var(--panel)}
.contact-row{
  display:grid;grid-template-columns:100px 1fr auto;align-items:center;gap:16px;
  min-height:66px;padding:0 20px;border-bottom:1px solid var(--line);transition:background .2s ease
}
.contact-row:last-child{border-bottom:0}
.contact-row:hover{background:var(--bg)}
.contact-row .label{color:var(--steel)}
.contact-row .val{font-weight:500;font-size:16px;overflow-wrap:anywhere}
.contact-row .go{font-family:var(--mono);color:var(--ink-3);transition:color .2s ease,transform .2s ease}
.contact-row:hover .go{color:var(--accent);transform:translate(2px,-2px)}
.copy-btn{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 9px;border:1px solid var(--line-strong);border-radius:2px;background:var(--panel);color:var(--ink-2);cursor:pointer
}
.copy-btn:hover{border-color:var(--ink);color:var(--ink)}
.copy-btn.done{border-color:var(--accent);color:var(--accent)}

/* ---------- footer (title block) ---------- */
.site-footer{margin-top:32px;padding:0 0 40px}
.title-block{
  display:grid;grid-template-columns:1.4fr 1.2fr 1.2fr .7fr .7fr;
  border:1px solid var(--line-strong);background:var(--panel)
}
.title-block > div{padding:13px 16px;border-right:1px solid var(--line);min-width:0}
.title-block > div:last-child{border-right:0}
.title-block .label{display:block;font-size:10px;margin-bottom:4px}
.title-block strong{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink);overflow-wrap:anywhere}
.footer-note{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.footer-note a:hover{color:var(--accent)}

/* ---------- case study ---------- */
.case-hero{padding:40px 0 32px}
.crumbs{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:32px}
.back{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)
}
.back:hover{color:var(--ink)}
.back .arrow{transition:transform .2s ease}
.back:hover .arrow{transform:translateX(-3px)}
.proj-no{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--ink-3)}
.proj-no b{color:var(--accent);font-weight:600}
.case-hero h1{
  margin:18px 0 16px;font-family:var(--cond);font-weight:700;text-transform:uppercase;
  font-size:clamp(42px,6.2vw,84px);line-height:.92;letter-spacing:-.005em;max-width:1000px
}
.case-subtitle{max-width:780px;margin:0;color:var(--ink-2);font-size:19px;line-height:1.55}

.tb{ /* title block meta */
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:30px;
  border:1px solid var(--line-strong);background:var(--panel)
}
.tb > div{padding:15px 18px 17px;border-right:1px solid var(--line)}
.tb > div:last-child{border-right:0}
.tb .label{display:block;margin-bottom:8px;font-size:10.5px}
.tb strong{font-weight:500;font-size:15.5px;line-height:1.4}
.tb-org{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.tb-org .org-logo{height:28px}

.hero-fig{margin:0 0 24px}

/* figures — auto-numbered */
main{counter-reset:fig sec}
.fig{margin:0;counter-increment:fig;border:1px solid var(--line-strong);background:var(--panel)}
.fig-plate{position:relative;background:var(--sheet);cursor:zoom-in;overflow:hidden}
/* never upscale past an image's real resolution; center it on the plate instead */
.fig-plate img{position:relative;z-index:1;width:auto;max-width:100%;height:auto;max-height:540px;object-fit:contain;padding:14px;margin:0 auto}
.fig.photo .fig-plate{background:var(--bg-2)}
.fig.photo .fig-plate img{padding:0;max-height:580px}
/* photos narrower than the frame sit on a soft blurred copy of themselves */
.fig.photo .fig-plate::before{
  content:"";position:absolute;inset:-30px;background:var(--img,none) center/cover no-repeat;
  filter:blur(26px) saturate(.9);opacity:.45;
}
/* .crop zooms into a render that has lots of empty canvas (the full image still opens in the lightbox) */
.fig.crop .fig-plate{aspect-ratio:16/9}
.fig.crop .fig-plate img{position:absolute;left:50%;top:50%;max-width:none;max-height:none;padding:0;width:var(--zoom,150%);transform:translate(var(--fx,-50%),var(--fy,-50%))}
.fig figcaption{
  display:flex;gap:14px;align-items:baseline;padding:11px 16px;border-top:1px solid var(--line);
  color:var(--ink-2);font-size:14px;line-height:1.5
}
.fig figcaption::before{
  content:"FIG. " counter(fig);flex:none;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--accent)
}
.fig-zoom{
  position:absolute;right:10px;top:10px;z-index:2;padding:5px 8px;background:rgba(23,25,26,.8);color:#fff;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  opacity:0;transition:opacity .2s ease
}
.fig-plate:hover .fig-zoom{opacity:1}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px;align-items:start}
.gallery .wide{grid-column:1/-1}
.gallery.single{grid-template-columns:1fr}
.gallery .tall{grid-row:span 2}

/* impact readouts */
.impact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 16px;border:1px solid var(--line-strong);background:var(--panel)}
.impact > div{padding:22px 24px 20px;border-right:1px solid var(--line)}
.impact > div:last-child{border-right:0}
.impact .label{display:block;margin-bottom:10px;color:var(--steel)}
.impact strong{display:block;font-family:var(--cond);font-weight:600;font-size:clamp(36px,3.8vw,50px);line-height:1;color:var(--accent);margin-bottom:8px}
.impact span:not(.label){color:var(--ink-2);font-size:15px;line-height:1.45}

/* story sections */
.story{
  counter-increment:sec;
  display:grid;grid-template-columns:minmax(0,.38fr) minmax(0,1fr);gap:56px;
  padding:56px 0;border-top:1px solid var(--line)
}
.story-head{position:sticky;top:calc(var(--header-h) + 28px);align-self:start}
.story-head .kicker{
  display:flex;align-items:center;gap:12px;margin:0 0 12px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)
}
.story-head .kicker::before{
  content:counter(sec) ".0";color:var(--steel);font-weight:600;
  padding:3px 7px;border:1px solid var(--line-strong);background:var(--panel)
}
.story-head h2{margin:0;font-family:var(--cond);font-weight:600;font-size:clamp(28px,2.8vw,36px);line-height:1.06}
.story-copy{max-width:70ch}
.story-copy p{margin:0 0 20px;color:var(--ink-2);font-size:17.5px;line-height:1.75}
.story-copy p:last-child{margin-bottom:0}
.story-copy strong{color:var(--ink);font-weight:600}

.callout{
  --tick-color:var(--accent);--tick-size:10px;
  margin:28px 0 0;padding:20px 22px;background:rgba(169,50,41,.04);border:1px solid rgba(169,50,41,.25);
  color:var(--ink);font-size:16.5px;line-height:1.7
}
.callout .label{display:block;margin-bottom:8px;color:var(--accent)}

.video-frame{margin-top:30px;border:1px solid var(--line-strong);background:#000}
.video-frame video{width:100%;max-height:720px;background:#000}
.story-copy .video-note{display:flex;gap:12px;align-items:center;margin-top:12px;font-family:var(--mono);font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.video-note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(169,50,41,.18)}

/* data table */
.data{margin-top:30px;border:1px solid var(--line-strong);background:var(--panel);overflow-x:auto}
.data table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.data caption{
  caption-side:top;text-align:left;padding:11px 16px;border-bottom:1px solid var(--line-strong);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)
}
.data th,.data td{padding:10px 16px;border-bottom:1px solid var(--line);text-align:left}
.data thead th{font-family:var(--mono);font-weight:500;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);background:var(--bg)}
.data td.n,.data th.n{text-align:right;font-variant-numeric:tabular-nums}
.data tbody td{color:var(--ink-2)}
.data tfoot td{color:var(--ink);font-weight:600;border-bottom:0;border-top:1px solid var(--line-strong)}
.data tfoot tr + tr td{font-weight:500;color:var(--ink-2);border-top:1px solid var(--line)}
.data .good{color:var(--accent)}
.data table + table{border-top:1px solid var(--line-strong)}
.data tr.sub td{color:var(--ink);font-weight:600;background:var(--bg);border-top:1px solid var(--line-strong)}
.data-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line-strong)}
.data-summary > div{padding:13px 16px;border-right:1px solid var(--line)}
.data-summary > div:last-child{border-right:0}
.data-summary .label{display:block;font-size:10px;margin-bottom:4px}
.data-summary strong{font-family:var(--cond);font-weight:600;font-size:26px;line-height:1.1}
.data-summary .hl{color:var(--accent)}

/* prev / next */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:48px 0 28px}
.pager a{
  --tick-opacity:0;--tick-color:var(--accent);
  display:grid;grid-template-columns:88px 1fr;gap:16px;align-items:center;
  padding:14px;border:1px solid var(--line-strong);background:var(--panel);
  transition:border-color .2s ease,box-shadow .2s ease
}
.pager a:hover{--tick-opacity:1;box-shadow:var(--shadow)}
.pager .thumb{aspect-ratio:4/3;background:var(--sheet);overflow:hidden;border:1px solid var(--line)}
.pager .thumb img{width:100%;height:100%;object-fit:contain;padding:4px}
.pager .thumb.photo img{object-fit:cover;padding:0}
.pager .dir{display:block;margin-bottom:6px;color:var(--steel)}
.pager strong{font-family:var(--cond);font-weight:600;font-size:22px;line-height:1.1}
.pager .next{grid-template-columns:1fr 88px;text-align:right}
.pager .next .thumb{order:2}

/* ---------- TLDR ---------- */
.bom{border:1px solid var(--line-strong);background:var(--panel)}
.bom-head,.bom-row{display:grid;grid-template-columns:80px minmax(0,1fr) 190px 130px}
.bom-head{border-bottom:1px solid var(--line-strong);background:var(--bg)}
.bom-head > div{padding:11px 18px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);border-right:1px solid var(--line)}
.bom-head > div:last-child{border-right:0}
.bom-row{border-bottom:1px solid var(--line);transition:background .2s ease}
.bom-row:last-child{border-bottom:0}
.bom-row:hover{background:#fbfbf8}
.bom-row > div{padding:22px 18px;border-right:1px solid var(--line);min-width:0}
.bom-row > div:last-child{border-right:0}
.bom-item{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--accent)}
.bom-row h2{margin:0 0 8px;font-family:var(--cond);font-weight:600;font-size:26px;line-height:1.1}
.bom-row h2 a:hover{color:var(--accent)}
.bom-row .org{margin-bottom:12px}
.bom-row > div > .label{display:block;margin-bottom:12px}
.bom-row p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.65;max-width:70ch}
.bom-result strong{display:block;font-family:var(--cond);font-weight:600;font-size:32px;line-height:1;color:var(--accent);margin-bottom:6px}
.bom-result span{color:var(--ink-2);font-size:14px;line-height:1.4}
.bom-link{display:flex;align-items:center}
.bom-link a{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
  border-bottom:1px solid var(--accent);padding-bottom:3px
}
.bom-link a:hover{color:var(--accent)}
.bom-row--wip{background:rgba(169,50,41,.03)}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:56px 24px 24px;
  background:rgba(18,20,22,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)
}
.lightbox.open{display:grid}
.lightbox figure{margin:0;max-width:min(1400px,100%);max-height:100%;display:flex;flex-direction:column}
.lightbox img{max-width:100%;max-height:calc(100vh - 160px);object-fit:contain;background:var(--sheet);margin:0 auto}
.lightbox figcaption{padding:12px 4px;color:#d9dcde;font-size:14.5px;text-align:center}
.lightbox-close{
  position:absolute;top:14px;right:16px;height:40px;padding:0 14px;
  border:1px solid #555;background:var(--dark);color:#fff;border-radius:var(--radius);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer
}
.lightbox-close:hover{border-color:var(--accent)}

/* ---------- cursor coordinate readout ---------- */
.coords{
  position:fixed;left:16px;bottom:14px;z-index:40;display:none;gap:12px;
  padding:6px 10px;border:1px solid var(--line);background:rgba(255,255,255,.88);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-3);pointer-events:none;
  font-variant-numeric:tabular-nums
}
.coords b{color:var(--steel);font-weight:500}
@media (pointer:fine) and (min-width:1460px){.coords{display:flex}}

/* ---------- reveal on scroll ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .project-grid{gap:24px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .wip{grid-template-columns:1fr}
  .wip-media{border-right:0;border-bottom:1px solid var(--line-strong)}
  .stage{aspect-ratio:16/11}
  .bom-head,.bom-row{grid-template-columns:70px minmax(0,1fr) 170px}
  .bom-head > div:nth-child(4),.bom-row > .bom-link{display:none}
  .bom-row h2 a::after{content:" →";color:var(--accent)}
  .title-block{grid-template-columns:repeat(3,minmax(0,1fr))}
  .title-block > div:nth-child(3){border-right:0}
  .title-block > div:nth-child(-n+3){border-bottom:1px solid var(--line)}
}
@media (max-width:860px){
  :root{--header-h:62px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;z-index:49;
    flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 20px;
    background:rgba(245,244,239,.98);border-bottom:1px solid var(--line-strong);
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s
  }
  .nav-open .nav-links{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:16px 4px;border-bottom:1px solid var(--line);font-size:13.5px}
  .nav-links a[aria-current="page"]::after{display:none}
  .nav-links .nav-cta{margin:16px 0 0;text-align:center;border-bottom:1px solid var(--accent)}

  .section{padding:60px 0}
  .hero{padding:40px 0 44px}
  .hero-lead{font-size:17.5px}
  .hero-drawing{width:440px;height:440px;right:-210px;top:-120px;opacity:.16}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .spec-card{display:grid;grid-template-columns:150px minmax(0,1fr);max-width:560px}
  .spec-photo{aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line-strong)}
  .spec-tag{display:none}
  .wip-body{padding:22px 22px 24px}
  .stage{aspect-ratio:470/440}
  .dro{gap:6px 14px;font-size:11.5px}
  .dro .st{margin-left:0;width:100%}
  .contact-row{grid-template-columns:1fr auto;padding:14px 18px;gap:6px 14px}
  .contact-row .label{grid-column:1/-1}

  .tb{grid-template-columns:1fr 1fr}
  .tb > div:nth-child(2){border-right:0}
  .tb > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .impact{grid-template-columns:1fr}
  .impact > div{border-right:0;border-bottom:1px solid var(--line)}
  .impact > div:last-child{border-bottom:0}
  .story{grid-template-columns:1fr;gap:18px;padding:44px 0}
  .story-head{position:static}
  .story-copy p{font-size:16.5px}
  .gallery{grid-template-columns:1fr}
  .data-summary{grid-template-columns:1fr 1fr}
  .data-summary > div:nth-child(2){border-right:0}
  .data-summary > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .pager{grid-template-columns:1fr}
  .pager a,.pager .next{grid-template-columns:72px 1fr;text-align:left}
  .pager .next .thumb{order:0}

  .bom-head{display:none}
  .bom-row{grid-template-columns:1fr}
  .bom-row > div{border-right:0;padding:16px 18px}
  .bom-row > .bom-item{padding-bottom:0}
  .bom-row > .bom-result{padding-top:0}

  .title-block{grid-template-columns:1fr 1fr}
  .title-block > div{border-bottom:1px solid var(--line)}
  .title-block > div:nth-child(3){border-right:1px solid var(--line)}
  .title-block > div:nth-child(2n){border-right:0}
  .title-block > div:last-child{grid-column:1/-1;border-bottom:0}
}
@media (max-width:640px){
  .project-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .card--feature,.card--flip{flex-direction:column}
  .card--feature .plate{flex:none;aspect-ratio:16/10;min-height:0;border-right:0;border-left:0;border-bottom:1px solid var(--line)}
  .card--feature .card-body{padding:20px 20px 22px}
  .metric-pair strong{font-size:28px}
}
@media (max-width:480px){
  .brand-sub{display:none}
  .spec-card{grid-template-columns:112px minmax(0,1fr)}
  .tb{grid-template-columns:1fr}
  .tb > div{border-right:0;border-bottom:1px solid var(--line)}
  .tb > div:last-child{border-bottom:0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .hero-drawing .draw{stroke-dashoffset:0}
  .hero-drawing .fade{opacity:1}
  .js .reveal{opacity:1;transform:none}
}

@media print{
  body::before,.site-header,.coords,.hero-drawing{display:none}
  body{background:#fff}
}