:root {
  --bg: #0e1114;
  --bg-2: #151a1f;
  --panel: #1a2027;
  --line: #2a323b;
  --text: #e7ebef;
  --muted: #9aa6b2;
  --accent: #ef3b2d;
  --accent-2: #ff6b5e;
  --ok: #3ddc84;
  --radius: 2px;
  --chamfer: 18px;
  --chamfer-sm: 10px;
  --chamfer-xs: 5px;
  --wrap: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
img, svg { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
h1, h2, h3 { font-family: "Barlow Condensed", Inter, sans-serif; letter-spacing: .01em; line-height: 1.05; margin: 0 0 .4em; }
h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4.5vw, 2.8rem); text-transform: uppercase; }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }
.eyebrow {
  font-family: "JetBrains Mono", monospace; font-size: .8rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: .14em; margin-bottom: .8rem; display: inline-block;
}

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14,17,20,.88); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 32px; height: 32px; }
.brand span { font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 1.5rem; text-transform: uppercase; letter-spacing: .04em; }
.brand b { color: var(--accent); font-weight: 700; }
nav ul { list-style: none; display: flex; align-items: center; gap: 26px; margin: 0; padding: 0; }
nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

/* About drop-down */
.dropdown { position: relative; --dd-gap: 14px; --dd-w: 200px; }
.dd-toggle {
  display: flex; align-items: center; gap: 6px; background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--muted); font: 500 .95rem Inter, sans-serif;
}
.dd-toggle:hover, .dd-toggle[aria-expanded="true"], .dropdown.current .dd-toggle { color: var(--text); }
.dd-toggle svg { width: 12px; height: 12px; transition: transform .15s; }
.dd-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.dd-menu {
  position: absolute; top: calc(100% + var(--dd-gap)); right: 0; min-width: var(--dd-w);
  display: none; flex-direction: column; gap: 0; padding: 6px;
  background: var(--panel); border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer-sm)), calc(100% - var(--chamfer-sm)) 100%, 0 100%);
  box-shadow: 0 12px 32px rgba(0,0,0,.45);
}
.dd-menu.open { display: flex; }
@media (hover: hover) and (pointer: fine) {
  .dropdown:hover .dd-menu { display: flex; }
  /* Invisible hit-area over the gap so moving the pointer from the toggle to
     the menu doesn't drop :hover partway (clip-path on .dd-menu clips any
     pseudo-element placed inside it, so this lives on .dropdown instead). */
  .dropdown::after {
    content: ""; position: absolute; top: 100%; right: 0; width: var(--dd-w); height: var(--dd-gap);
  }
}
.dd-menu a { display: block; padding: 10px 12px; }
.dd-menu a:hover, .dd-menu a:focus-visible { background: var(--bg-2); color: var(--text); outline: none; }
.dd-menu a[aria-current="page"] { color: var(--accent); }
.btn {
  display: inline-block; background: var(--accent); color: #111; font-weight: 600;
  padding: 12px 22px; text-decoration: none; border: 0; cursor: pointer; border-radius: 0;
  font: 600 1rem Inter, sans-serif; transition: background .15s;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}
.btn:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); }
.nav .btn { padding: 8px 16px; font-size: .9rem; }
@media (max-width: 760px) {
  nav > ul > li:not(.dropdown) { display: none; }
  .nav { gap: 12px; }
  .nav .btn { padding: 7px 12px; font-size: .85rem; }
  .brand span { font-size: 1.3rem; }
}
@media (max-width: 380px) { .brand span { display: none; } }

/* Hero */
.hero {
  position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background:
    linear-gradient(var(--bg) 0, transparent 30%, transparent 70%, var(--bg) 100%),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px);
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding-top: 88px; padding-bottom: 88px; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.schematic { width: 100%; height: auto; }
.schematic .wire { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.schematic .flow { stroke-dasharray: 6 10; animation: flow 1.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -32; } }
@media (prefers-reduced-motion: reduce) { .schematic .flow { animation: none; } html { scroll-behavior: auto; } }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 56px; }
  .hero .art { max-width: 460px; }
}

/* Sections */
section { padding: 88px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head p { color: var(--muted); }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--line);
  clip-path: polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer));
  padding: 28px 24px; position: relative; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .icon { width: 44px; height: 44px; margin-bottom: 18px; color: var(--accent); }
.card p { color: var(--muted); margin: 0; }
.card .tag { position: absolute; top: 16px; right: 18px; font-size: .72rem; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 14px 0 14px 34px; border-bottom: 1px solid var(--line); position: relative; }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: ""; position: absolute; left: 7px; top: 24px; width: 10px; height: 10px;
  border: 2px solid var(--accent); transform: rotate(45deg);
}
.checklist strong { display: block; }
.checklist span { color: var(--muted); font-size: .95rem; }

.steps { counter-reset: step; display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.step { border-top: 2px solid var(--accent); padding-top: 18px; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: "JetBrains Mono", monospace; color: var(--accent); font-size: .9rem; }
.step h3 { margin-top: 6px; }
.step p { color: var(--muted); margin: 0; }

/* Contact */
form { display: grid; gap: 16px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-size: .9rem; color: var(--muted); }
input, select, textarea {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(239,59,45,.2); }
textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); margin: 0; }
.form-status { font-size: .95rem; margin: 0; min-height: 1.4em; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: #ff6b6b; }
.hp { position: absolute; left: -9999px; }

footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Inner pages */
.page-hero {
  border-bottom: 1px solid var(--line); padding: 72px 0 56px;
  background:
    linear-gradient(var(--bg) 0, transparent 40%, var(--bg) 100%),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px);
}
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 40em; margin: 0; }
.prose { max-width: 720px; }
.prose p { color: var(--muted); }
.prose h2 { margin-top: 1.4em; }

.project { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project .photo {
  aspect-ratio: 4 / 3; background: var(--bg-2); border-bottom: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted); font-size: .85rem;
}
.project .photo img { width: 100%; height: 100%; object-fit: cover; }
.project .body { padding: 22px 22px 24px; }
.project .vehicle { font-family: "JetBrains Mono", monospace; font-size: .8rem; color: var(--accent); margin-bottom: 6px; display: block; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.chips span {
  font-size: .75rem; color: var(--muted); border: 1px solid var(--line); padding: 2px 10px 2px 8px;
  clip-path: polygon(6px 0, 100% 0, 100% 100%, 0 100%, 0 6px);
}

.quote { margin: 0; }
.quote blockquote { margin: 0 0 18px; font-size: 1.05rem; color: var(--text); }
.quote blockquote::before { content: "\201C"; display: block; font: 700 3rem/0.6 "Barlow Condensed", sans-serif; color: var(--accent); margin-bottom: 10px; }
.quote figcaption { color: var(--muted); font-size: .9rem; }
.quote figcaption strong { color: var(--text); display: block; }

.info-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 56px; }
.info-grid .card p + p { margin-top: .6em; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: "JetBrains Mono", monospace; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }
.cta-band { text-align: center; }
.cta-band p { color: var(--muted); }