@import url('fonts.css');

/* ============================================================
   ENGINEERING BAY — design system
   Industrial engineering. Charcoal ground, amber inspection accent,
   off-white "document" surfaces for report-style content.
   ============================================================ */

:root{
  /* ground & surfaces */
  --ground:#12161A;
  --ground-2:#0D1114;
  --surface:#1A2026;
  --surface-2:#212930;
  --raised:#28313A;

  /* document (light) surfaces — reports read as paper */
  --paper:#EDEFF0;
  --paper-line:#C9CFD4;
  --paper-ink:#161B20;
  --paper-muted:#5A656F;

  /* ink */
  --ink:#E7EBEE;
  --ink-dim:#AEB8C2;
  --muted:#8A95A0;
  --faint:#66707A;

  /* structure */
  --line:#28313A;
  --line-soft:#1F272E;
  --line-strong:#3A4652;

  /* accent — safety amber */
  --amber:#F5A623;
  --amber-deep:#C57F14;
  --amber-soft:#2A2214;
  --amber-line:#5C4718;

  /* status */
  --pass:#4FB380;      --pass-soft:#152A20;
  --warn:#E8A33D;      --warn-soft:#2C2314;
  --fail:#E05B4C;      --fail-soft:#2E1917;
  --none:#6C7885;      --none-soft:#1C232A;

  /* type */
  --display:'Barlow Condensed','Arial Narrow',system-ui,sans-serif;
  --body:'Barlow',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;

  /* metrics */
  --wrap:1180px;
  --gut:clamp(20px,5vw,56px);
  --radius:3px;                 /* industrial: nearly square */
}

*,*::before,*::after{ box-sizing:border-box; }

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

body{
  margin:0;
  background:var(--ground);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }
button{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--amber); outline-offset:3px; }

/* ---------- blueprint grid background ---------- */
.grid-bg{ position:relative; }
.grid-bg::before{
  content:''; position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 35%,transparent 78%);
  opacity:.55;
}
.grid-bg > *{ position:relative; z-index:1; }

/* ---------- layout ---------- */
.wrap{ max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gut); }
.section{ padding-block:clamp(56px,8vw,104px); }
.section--tight{ padding-block:clamp(40px,5vw,64px); }
.section--paper{ background:var(--paper); color:var(--paper-ink); }
.section--sunk{ background:var(--ground-2); }
.section + .section{ border-top:1px solid var(--line); }
.section--paper + .section, .section--paper{ border-top-color:var(--paper-line); }

.cols{ display:grid; gap:clamp(24px,4vw,48px); }
.cols-2{ grid-template-columns:repeat(2,1fr); }
.cols-3{ grid-template-columns:repeat(3,1fr); }
.cols-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:920px){ .cols-3,.cols-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:680px){ .cols-2,.cols-3,.cols-4{ grid-template-columns:1fr; } }

.split{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,6vw,72px); align-items:center; }
@media (max-width:900px){ .split{ grid-template-columns:1fr; } }

/* ---------- typography ---------- */
h1,h2,h3,h4{ font-family:var(--display); font-weight:700; line-height:1.02; margin:0; text-wrap:balance; letter-spacing:-.005em; }
h1{ font-size:clamp(42px,7.4vw,86px); text-transform:uppercase; }
h2{ font-size:clamp(30px,4.4vw,50px); text-transform:uppercase; }
h3{ font-size:clamp(21px,2.4vw,27px); text-transform:uppercase; letter-spacing:.005em; }
h4{ font-size:18px; text-transform:uppercase; letter-spacing:.03em; font-weight:600; }
p{ margin:0 0 1.05em; }
p:last-child{ margin-bottom:0; }
.lede{ font-size:clamp(18px,2.1vw,21px); line-height:1.55; color:var(--ink-dim); max-width:60ch; }
.section--paper .lede{ color:var(--paper-muted); }
.measure{ max-width:64ch; }
.muted{ color:var(--muted); }
.section--paper .muted{ color:var(--paper-muted); }

.eyebrow{
  font-family:var(--mono); font-size:11.5px; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase; color:var(--amber);
  display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{ content:''; width:26px; height:1px; background:var(--amber); flex:none; }
.section--paper .eyebrow{ color:var(--amber-deep); }
.section--paper .eyebrow::before{ background:var(--amber-deep); }

.mono{ font-family:var(--mono); }
.serial{ font-family:var(--mono); font-size:12px; letter-spacing:.1em; color:var(--faint); text-transform:uppercase; }
.section--paper .serial{ color:var(--paper-muted); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--display); font-weight:600; font-size:17px;
  text-transform:uppercase; letter-spacing:.06em; text-decoration:none;
  padding:14px 26px; border-radius:var(--radius); border:1px solid transparent;
  cursor:pointer; transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{ background:var(--amber); color:#14181B; border-color:var(--amber); }
.btn--primary:hover{ background:#FFB53E; border-color:#FFB53E; }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn--ghost:hover{ border-color:var(--amber); color:var(--amber); }
.section--paper .btn--ghost{ color:var(--paper-ink); border-color:var(--paper-line); }
.section--paper .btn--ghost:hover{ color:var(--amber-deep); border-color:var(--amber-deep); }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }

/* ---------- panels ---------- */
.panel{
  position:relative; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:26px 26px 28px;
}
.panel--raised{ background:var(--surface-2); }
.section--paper .panel{ background:#fff; border-color:var(--paper-line); }
/* corner registration ticks — engineering drawing detail */
.panel--ticks::before,.panel--ticks::after{
  content:''; position:absolute; width:9px; height:9px; border:1px solid var(--amber); opacity:.75;
}
.panel--ticks::before{ top:-1px; left:-1px; border-right:0; border-bottom:0; }
.panel--ticks::after{ bottom:-1px; right:-1px; border-left:0; border-top:0; }

.panel h3{ margin-bottom:10px; }
.panel p{ color:var(--ink-dim); font-size:16px; }
.section--paper .panel p{ color:var(--paper-muted); }

/* ---------- status chips ---------- */
.chip{
  display:inline-flex; align-items:center; gap:7px; font-family:var(--mono);
  font-size:11px; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  padding:4px 10px; border-radius:2px; white-space:nowrap;
  color:var(--c); background:var(--cs); border:1px solid color-mix(in srgb,var(--c) 34%,transparent);
}
.chip::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--c); flex:none; }
.is-pass{ --c:var(--pass); --cs:var(--pass-soft); }
.is-warn{ --c:var(--warn); --cs:var(--warn-soft); }
.is-fail{ --c:var(--fail); --cs:var(--fail-soft); }
.is-none{ --c:var(--none); --cs:var(--none-soft); }
.section--paper .is-pass{ --cs:#E4F2EA; }
.section--paper .is-warn{ --cs:#F8EEDA; }
.section--paper .is-fail{ --cs:#F9E5E2; }
.section--paper .is-none{ --cs:#E8EBED; }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:60; background:rgba(18,22,26,.9);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
}
.site-header .bar{ display:flex; align-items:center; gap:22px; height:66px; }
.logo{ display:flex; align-items:center; gap:11px; text-decoration:none; flex:none; }
.logo svg{ width:30px; height:30px; }
.logo .wm{ font-family:var(--display); font-weight:700; font-size:19px; letter-spacing:.09em; text-transform:uppercase; line-height:1; }
.logo .wm small{ display:block; font-family:var(--mono); font-size:8.5px; letter-spacing:.26em; color:var(--faint); font-weight:400; margin-top:3px; }

.nav{ display:flex; align-items:center; gap:4px; margin-left:auto; }
.nav a:not(.btn){
  font-family:var(--mono); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-dim); text-decoration:none; padding:9px 13px; border-radius:2px;
}
.nav a:not(.btn):hover{ color:var(--ink); background:var(--surface); }
.nav a:not(.btn)[aria-current="page"]{ color:var(--amber); }
.nav .btn{ margin-left:10px; padding:10px 18px; font-size:14px; }

.burger{ display:none; margin-left:auto; background:none; border:1px solid var(--line-strong); border-radius:2px; width:42px; height:38px; cursor:pointer; }
.burger span{ display:block; width:18px; height:1.5px; background:var(--ink); margin:3.5px auto; transition:.2s; }
@media (max-width:900px){
  .nav{
    position:fixed; inset:66px 0 auto 0; flex-direction:column; align-items:stretch; gap:0;
    background:var(--ground-2); border-bottom:1px solid var(--line); padding:10px var(--gut) 20px;
    transform:translateY(-120%); transition:transform .26s ease; margin-left:0;
  }
  .nav.open{ transform:none; }
  .nav a:not(.btn){ padding:14px 4px; border-bottom:1px solid var(--line-soft); font-size:14px; }
  .nav .btn{ margin:16px 0 0; }
  .burger{ display:block; }
}

/* ---------- hero ---------- */
.hero{ padding-block:clamp(56px,10vw,120px) clamp(48px,7vw,90px); position:relative; overflow:hidden; }
.hero h1 span{ display:block; }
.hero h1 .l1{ color:var(--muted); font-weight:500; }
.hero h1 .l2{ color:var(--ink); }
.hero .lede{ margin-top:26px; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:10px 26px; margin-top:38px; padding-top:22px; border-top:1px solid var(--line); }
.hero-meta div{ font-family:var(--mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); }
.hero-meta b{ color:var(--ink-dim); font-weight:500; display:block; margin-top:3px; font-size:12.5px; }

/* ---------- process flow ---------- */
.flow{ display:grid; grid-template-columns:repeat(5,1fr); gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
@media (max-width:980px){ .flow{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .flow{ grid-template-columns:1fr; } }
.flow-step{ padding:24px 22px 26px; border-right:1px solid var(--line); background:var(--surface); position:relative; }
.flow-step:last-child{ border-right:0; }
@media (max-width:980px){ .flow-step{ border-bottom:1px solid var(--line); } }
.flow-step .n{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; color:var(--amber); }
.flow-step h3,.flow-step h4{ margin:12px 0 8px; font-size:20px; letter-spacing:.05em; }
.flow-step p{ font-size:14.5px; color:var(--muted); margin:0; line-height:1.5; }
.flow-step::after{
  content:''; position:absolute; right:-1px; top:50%; width:9px; height:9px;
  border-top:1px solid var(--amber); border-right:1px solid var(--amber);
  transform:translate(50%,-50%) rotate(45deg); background:var(--ground); display:none;
}
@media (min-width:981px){ .flow-step:not(:last-child)::after{ display:block; } }

/* ---------- readiness gauge ---------- */
.gauge{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.gauge svg{ width:132px; height:132px; flex:none; }
.gauge .ring-track{ stroke:var(--line); }
.gauge .ring-fill{ stroke:var(--amber); stroke-linecap:butt; transition:stroke-dashoffset 1.1s cubic-bezier(.2,.7,.2,1); }
.gauge .pct{ font-family:var(--display); font-size:34px; font-weight:700; fill:var(--ink); }
.gauge .lbl{ font-family:var(--mono); font-size:7px; letter-spacing:.18em; fill:var(--muted); }
.section--paper .gauge .pct{ fill:var(--paper-ink); }
.section--paper .gauge .ring-track{ stroke:var(--paper-line); }
.section--paper .gauge .lbl{ fill:var(--paper-muted); }

/* ---------- inspection report table ---------- */
.report{ font-family:var(--mono); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--surface); }
.section--paper .report{ background:#fff; border-color:var(--paper-line); }
.report-head{ display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; padding:16px 20px; border-bottom:1px solid var(--line); background:var(--surface-2); }
.section--paper .report-head{ background:#F6F7F8; border-color:var(--paper-line); }
.report-head .t{ font-family:var(--display); font-size:17px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; }
.report-head .s{ font-size:11.5px; letter-spacing:.12em; color:var(--faint); text-transform:uppercase; }
.section--paper .report-head .s{ color:var(--paper-muted); }
.report-row{ display:grid; grid-template-columns:1fr auto; gap:14px; align-items:center; padding:12px 20px; border-top:1px solid var(--line-soft); font-size:13.5px; }
.section--paper .report-row{ border-color:#E6E9EB; }
.report-row:first-of-type{ border-top:0; }
.report-row .k{ letter-spacing:.09em; text-transform:uppercase; color:var(--ink-dim); }
.section--paper .report-row .k{ color:var(--paper-ink); }
.report-foot{ padding:18px 20px; border-top:1px solid var(--line); background:var(--surface-2); display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.section--paper .report-foot{ background:#F6F7F8; border-color:var(--paper-line); }
.report-foot .verdict{ font-family:var(--display); font-size:20px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--fail); }

/* ---------- stamp ---------- */
.stamp{
  display:inline-flex; flex-direction:column; align-items:center; justify-content:center; text-align:center;
  border:2px solid var(--c,var(--fail)); color:var(--c,var(--fail)); border-radius:4px;
  padding:10px 18px; transform:rotate(-6deg); font-family:var(--display); text-transform:uppercase;
  letter-spacing:.08em; line-height:1.05; opacity:.92;
}
.stamp b{ font-size:19px; font-weight:700; }
.stamp small{ font-family:var(--mono); font-size:9px; letter-spacing:.18em; margin-top:4px; opacity:.85; }

/* ---------- findings list ---------- */
.findings{ display:flex; flex-direction:column; }
.finding{ display:grid; grid-template-columns:auto 1fr auto; gap:16px; align-items:start; padding:16px 0; border-top:1px solid var(--line); }
.finding:first-child{ border-top:0; }
.section--paper .finding{ border-color:#E1E5E8; }
.finding .id{ font-family:var(--mono); font-size:11.5px; color:var(--faint); letter-spacing:.08em; padding-top:3px; }
.finding h3,.finding h4{ margin:0 0 5px; font-size:16.5px; letter-spacing:.02em; text-transform:none; font-family:var(--body); font-weight:600; }
.finding p{ margin:0; font-size:14.5px; color:var(--muted); line-height:1.5; }
.section--paper .finding p{ color:var(--paper-muted); }

/* ---------- checklist ---------- */
.checks{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px 26px; list-style:none; padding:0; margin:0; }
@media (max-width:820px){ .checks{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .checks{ grid-template-columns:1fr; } }
.checks li{ font-family:var(--mono); font-size:13px; letter-spacing:.03em; color:var(--ink-dim); padding:7px 0 7px 22px; position:relative; border-bottom:1px solid var(--line-soft); }
.section--paper .checks li{ color:var(--paper-muted); border-color:#E4E7EA; }
.checks li::before{ content:''; position:absolute; left:2px; top:14px; width:7px; height:7px; border:1px solid var(--amber); }

/* ---------- forms ---------- */
.field{ display:flex; flex-direction:column; gap:7px; margin-bottom:18px; }
.field label{ font-family:var(--mono); font-size:11.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--muted); }
.field input,.field textarea,.field select{
  font-family:var(--body); font-size:16px; color:var(--ink);
  background:var(--ground-2); border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:12px 14px; width:100%;
}
.field textarea{ min-height:130px; resize:vertical; }
.field input:focus,.field textarea:focus,.field select:focus{ outline:none; border-color:var(--amber); }
.field .hint{ font-size:13px; color:var(--faint); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ground-2); border-top:1px solid var(--line); padding-block:52px 30px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
@media (max-width:760px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .foot-grid{ grid-template-columns:1fr; } }
.foot-grid h5{ font-family:var(--mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--faint); margin:0 0 14px; font-weight:500; }
.foot-links{ display:flex; flex-direction:column; gap:9px; }
.foot-links a{ color:var(--ink-dim); text-decoration:none; font-size:15px; }
.foot-links a:hover{ color:var(--amber); }
.foot-bottom{ display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap; margin-top:42px; padding-top:22px; border-top:1px solid var(--line); }
.foot-bottom p{ margin:0; font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; color:var(--faint); text-transform:uppercase; }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease,transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------- misc ---------- */
.hr{ height:1px; background:var(--line); border:0; margin-block:clamp(36px,5vw,56px); }
.section--paper .hr{ background:var(--paper-line); }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{ font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-dim); border:1px solid var(--line); border-radius:2px; padding:5px 10px; }
.section--paper .tag{ color:var(--paper-muted); border-color:var(--paper-line); }
.skip{ position:absolute; left:-9999px; }
.skip:focus{ left:12px; top:12px; z-index:200; background:var(--amber); color:#14181B; padding:10px 16px; border-radius:2px; }