/* ---------- Fonts (self-hosted) ---------- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/inter-400-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/inter-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/inter-600-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/inter-700-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ---------- Tokens ---------- */
:root{
  --ink:#1c1f22;          /* charcoal */
  --ink-2:#2b3036;
  --steel:#4a525a;
  --concrete:#8b9299;
  --line:#d3d7db;
  --paper:#f3f2ee;        /* warm off-white, drawing sheet */
  --paper-2:#e9e7e1;
  --white:#ffffff;
  --accent:#e8842c;       /* safety orange */
  --accent-ink:#b8621a;
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:'Inter',system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.lead{font-size:1.2rem;color:var(--steel);max-width:62ch}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--ink);padding:8px 12px}
.skip-link:focus{left:8px;top:8px;z-index:100}

/* mono labels, drawing-sheet style */
.titleblock-label,.eyebrow,.spec-key,.caption,.stat-label,.sheet-no{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--concrete)
}
.eyebrow{display:block;margin-bottom:12px;color:var(--accent-ink)}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--accent);vertical-align:middle;margin-right:10px}

/* ---------- Header ---------- */
.site-header{background:var(--ink);color:var(--white);border-bottom:3px solid var(--accent);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--white)}
.brand:hover{text-decoration:none}
.brand-mark{width:14px;height:14px;background:var(--accent);clip-path:polygon(50% 0,100% 100%,0 100%)}
.brand-text{display:flex;flex-direction:column;line-height:1.1;white-space:nowrap}
.brand-text strong{font-weight:600;letter-spacing:.02em}
.brand-sub{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--concrete)}
.site-nav{display:flex;gap:6px}
.site-nav a{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:#cfd4d9;padding:10px 12px;border-bottom:2px solid transparent;white-space:nowrap}
.site-nav a:hover{color:var(--white);text-decoration:none}
.site-nav a.active{color:var(--white);border-bottom-color:var(--accent)}
.nav-toggle{display:none}
.nav-burger{display:none;width:28px;height:22px;flex-direction:column;justify-content:space-between;cursor:pointer}
.nav-burger span{height:2px;background:var(--white);display:block}
@media(max-width:960px){
  .nav-burger{display:flex}
  .site-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ink-2);flex-direction:column;padding:8px 0 12px;border-bottom:3px solid var(--accent)}
  .site-nav a{padding:12px 24px}
  .nav-toggle:checked ~ .site-nav{display:flex}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden;min-height:min(78vh,760px);display:flex;align-items:flex-end}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 70%;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,31,34,.15) 0%,rgba(28,31,34,.55) 55%,rgba(28,31,34,.95) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:80px 80px;pointer-events:none}
.hero-content{position:relative;z-index:2;padding:96px 24px 56px;width:100%}
.hero .eyebrow{color:var(--accent);text-shadow:0 1px 3px rgba(0,0,0,.6)}
.hero h1{max-width:16ch;margin-bottom:18px}
.hero h1 span{color:var(--accent)}
.hero .lead{color:#d9dde1;max-width:56ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
.hero-meta div{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete)}
.hero-meta strong{display:block;color:var(--white);font-size:.95rem;font-family:var(--sans);letter-spacing:0;text-transform:none;margin-top:4px}
.btn{display:inline-block;font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;padding:14px 22px;border:2px solid var(--accent);color:var(--ink);background:var(--accent);margin:22px 12px 0 0}
.btn:hover{background:transparent;color:var(--accent);text-decoration:none}
.btn.ghost{background:transparent;color:var(--white)}
.btn.ghost:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.hero .btn.ghost{border-color:rgba(255,255,255,.5)}
main .btn.ghost{color:var(--ink);border-color:var(--ink)}
main .hero .btn.ghost{color:var(--white);border-color:rgba(255,255,255,.5)}
main .hero .btn.ghost:hover{background:var(--white);color:var(--ink)}
main .btn.ghost:hover{background:var(--ink);color:var(--white)}

/* ---------- Sections ---------- */
section{padding:72px 0}
section.tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;border-bottom:1px solid var(--line);padding-bottom:14px}
.section-head .sheet-no{white-space:nowrap}
.dark{background:var(--ink);color:var(--white)}
.dark .lead{color:#c9ced3}
.dark .section-head{border-color:rgba(255,255,255,.18)}
.dark a{color:var(--accent)}
.band{background:var(--paper-2)}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2px;background:var(--line);border:1px solid var(--line)}
.stat{background:var(--paper);padding:22px 20px}
.stat strong{display:block;font-size:2rem;font-weight:600;letter-spacing:-.02em;line-height:1;margin-bottom:8px}
.stat strong small{font-size:1rem;color:var(--steel);margin-left:4px}

/* project cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(28,31,34,.12);text-decoration:none}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%;filter:saturate(.9)}
.card-body{padding:18px 20px 22px;color:var(--ink)}
.card-body .sheet-no{margin-bottom:8px;display:block}
.card-body h3{margin-bottom:6px}
.card-body p{color:var(--steel);font-size:.95rem;margin:0}
.card-body .more{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}

/* two column */
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.two-col.rev{grid-template-columns:.9fr 1.1fr}
@media(max-width:820px){.two-col,.two-col.rev{grid-template-columns:1fr}}

/* figure */
figure{margin:0 0 28px}
figure img{width:100%;border:1px solid var(--line);background:var(--white)}
figcaption{padding:10px 0 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
figcaption .caption{color:var(--steel);letter-spacing:.06em;text-transform:none;font-size:.78rem}
figcaption .credit{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;color:var(--concrete);text-transform:uppercase}
.figure-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.figure-grid figure{margin:0}
.figure-grid img{aspect-ratio:16/9;object-fit:cover}
.figure-grid.fit img{object-fit:contain;background:var(--white)}
.figure-grid.fit figure[style*='grid-column'] img{aspect-ratio:auto}

/* spec table (drawing schedule style) */
.spec{width:100%;border-collapse:collapse;border:1px solid var(--line);background:var(--white);margin-bottom:24px;font-size:.95rem}
.spec th,.spec td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.spec th{width:34%;font-family:var(--mono);font-weight:500;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete);background:var(--paper-2)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* tags */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px;padding:0;list-style:none}
.tags li{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border:1px solid var(--line);background:var(--white);color:var(--steel)}
.dark .tags li{background:transparent;border-color:rgba(255,255,255,.25);color:#cfd4d9}

/* lists */
.checklist{list-style:none;padding:0;margin:0 0 24px}
.checklist li{position:relative;padding-left:26px;margin-bottom:10px}
.checklist li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:2px;background:var(--accent)}
.numbered{counter-reset:step;list-style:none;padding:0;margin:0}
.numbered li{counter-increment:step;display:grid;grid-template-columns:56px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.numbered li::before{content:counter(step,decimal-leading-zero);font-family:var(--mono);font-size:1.4rem;color:var(--accent);line-height:1}
.numbered li:last-child{border-bottom:1px solid var(--line)}
.numbered h3{margin-bottom:4px}
.numbered p{margin:0;color:var(--steel)}

/* page intro */
.page-intro{padding:64px 24px 24px}
.page-intro h1{max-width:20ch}
.breadcrumb{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete);margin-bottom:22px}
.breadcrumb a{color:var(--concrete)}
.breadcrumb span{margin:0 8px;color:var(--line)}

/* project header banner */
.project-banner{position:relative;background:var(--ink);color:var(--white);min-height:min(46vh,420px);display:flex;align-items:flex-end;overflow:hidden}
.project-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.project-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,31,34,.1),rgba(28,31,34,.92))}
.project-banner .wrap{position:relative;z-index:2;padding-top:80px;padding-bottom:40px;width:100%}
.project-banner .breadcrumb a{color:#cfd4d9}
.project-banner .lead{color:#d9dde1}

/* skills grid */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.skill{border-top:3px solid var(--accent);padding-top:14px}
.skill h3{font-size:1rem;margin-bottom:8px}
.skill p{color:var(--steel);font-size:.95rem;margin:0}

/* timeline */
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 26px 28px}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45em;width:12px;height:12px;background:var(--paper);border:2px solid var(--accent);border-radius:50%}
.timeline .when{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete);display:block;margin-bottom:4px}
.timeline strong{display:block}
.timeline p{margin:2px 0 0;color:var(--steel);font-size:.95rem}

/* callout */
.note{border-left:3px solid var(--accent);background:var(--white);padding:16px 20px;margin:24px 0;font-size:.95rem;color:var(--steel)}
.dark .note{background:rgba(255,255,255,.06);color:#cfd4d9}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.contact-cell{background:var(--white);padding:26px 24px}
.contact-cell .titleblock-label{margin-bottom:10px}
.contact-cell a,.contact-cell strong{font-size:1.1rem;font-weight:500}

/* footer */
.site-footer{background:var(--ink);color:#c9ced3;padding:56px 0 28px;border-top:3px solid var(--accent);margin-top:48px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px}
.site-footer p{font-size:.92rem;margin:0}
.site-footer a{color:var(--white)}
.site-footer .titleblock-label{margin-bottom:10px;color:var(--accent)}
.footer-note{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-note p{font-size:.78rem;color:var(--concrete);max-width:70ch}

/* small screens */
@media(max-width:600px){
  body{font-size:16px}
  section{padding:52px 0}
  .hero{min-height:64vh}
  .hero-content{padding-top:64px}
  .stat strong{font-size:1.6rem}
}