/* ScaffSmith — shared stylesheet
   Industrial spec-sheet look: near-black base, high-contrast type,
   one hi-vis accent, hairline rules, mono micro labels. */

/* ─── tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:      #0C0D0F;
  --surface: #16171B;
  --fg:      #F4F4F2;
  --muted:   #A2A4AB;
  --border:  #27282E;
  --accent:  #FF6A00;

  --accent-soft: color-mix(in oklch, var(--accent) 16%, transparent);
  --fg-soft:     color-mix(in oklch, var(--fg) 7%, transparent);
  --fg-softer:   color-mix(in oklch, var(--fg) 4%, transparent);

  --font-display: 'Barlow Condensed', 'Oswald', 'Helvetica Neue Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

  --fs-h1: clamp(46px, 7vw, 92px);
  --fs-h2: clamp(30px, 4.4vw, 54px);
  --fs-h3: 24px;
  --fs-lead: 18px;
  --fs-body: 16px;
  --fs-meta: 13px;

  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --gap-xl: 56px;
  --gap-2xl: 96px;
  --container: 1160px;
  --gutter: 24px;

  --radius: 2px;

  color-scheme: dark;
}

/* ─── reset & base ──────────────────────────────────────────────────── */
[id] { scroll-margin-top: 84px; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; color: inherit; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }

/* ─── layout primitives ─────────────────────────────────────────────── */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 9vw, 120px); }
.section + .section, .section--rule { border-top: 1px solid var(--border); }
.stack > * + * { margin-top: var(--gap-md); }
.row { display: flex; align-items: center; gap: var(--gap-md); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--gap-md); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--gap-xl); align-items: start; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: var(--gap-xl); align-items: start; }
@media (max-width: 920px) {
  .grid-2, .grid-3, .grid-4, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
}

/* ─── type ──────────────────────────────────────────────────────────── */
h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 0.96;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0;
}
h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0;
}
h3, .h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0;
}
.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--muted); max-width: 60ch; margin: 0; }
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--gap-md);
}
.kicker .idx { color: var(--fg); }
.meta { font-family: var(--font-mono); font-size: var(--fs-meta); color: var(--muted); letter-spacing: 0.02em; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--gap-lg); margin-bottom: var(--gap-xl); flex-wrap: wrap; }
.section-head .h2 { max-width: 20ch; }

/* ─── chrome: nav + footer ──────────────────────────────────────────── */
.topnav {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in oklch, var(--bg) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topnav-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--gap-md); padding-block: 12px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand .wordmark { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.brand .sub { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.topnav nav { display: flex; gap: var(--gap-lg); }
.topnav nav a {
  font-size: 13px; color: var(--muted); letter-spacing: 0.02em; font-weight: 500;
  padding: 8px 2px; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--font-body);
}
.topnav nav a:hover { color: var(--fg); }
.topnav .nav-cta { display: flex; align-items: center; gap: var(--gap-sm); }
.tel-link {
  font-family: var(--font-mono); font-weight: 600; font-size: 15px;
  color: var(--accent); white-space: nowrap; letter-spacing: 0.01em;
}
.tel-link:hover { color: color-mix(in oklch, var(--accent) 85%, white); }
.menu-btn { display: none; background: none; border: 1px solid var(--border); padding: 8px 12px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
@media (max-width: 920px) {
  .topnav nav { display: none; }
  .topnav nav.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 0;
  }
  .topnav nav.open a { padding: 14px var(--gutter); border-top: 1px solid var(--border); font-size: 15px; }
  .topnav nav.open a:first-child { border-top: 0; }
  .menu-btn { display: block; }
  .topnav .nav-cta .btn { display: none; }
  .topnav .tel-link { display: none; }
}

/* sticky mobile call bar — phone always visible */
.mobilebar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 10px var(--gutter); gap: 10px;
}
.mobilebar .btn { flex: 1; justify-content: center; }
@media (max-width: 920px) {
  .mobilebar { display: flex; }
  body { padding-bottom: 76px; }
}

.pagefoot { border-top: 1px solid var(--border); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gap-xl); padding-block: var(--gap-2xl); }
.foot-grid h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 var(--gap-md); font-weight: 500; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 10px; }
.foot-grid a { color: var(--muted); font-size: 14px; }
.foot-grid a:hover { color: var(--fg); }
.foot-grid .big { font-family: var(--font-display); font-size: 30px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; color: var(--fg); }
.foot-legal { display: flex; justify-content: space-between; gap: var(--gap-md); flex-wrap: wrap; padding-block: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
.foot-legal .credits { max-width: 70ch; line-height: 1.5; }
.foot-legal a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 920px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: var(--gap-lg); } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* ─── buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 22px; min-height: 48px;
  border-radius: var(--radius); border: 1px solid transparent;
  font-family: var(--font-display); font-size: 16px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; line-height: 1;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn-primary:hover { background: color-mix(in oklch, var(--accent) 90%, white); border-color: color-mix(in oklch, var(--accent) 90%, white); }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--fg); background: var(--fg-soft); }
.btn-ghost { background: transparent; color: var(--fg); border-color: transparent; padding-inline: 4px; }
.btn-ghost:hover { background: var(--fg-soft); color: var(--fg); }
.btn-arrow::after { content: '→'; transition: transform 0.15s ease; margin-left: 2px; }
.btn-arrow:hover::after { transform: translateX(3px); }
.btn-sm { padding: 10px 16px; min-height: 40px; font-size: 14px; }

/* ─── hero ──────────────────────────────────────────────────────────── */
.hero { padding-block: clamp(48px, 8vw, 120px); border-bottom: 1px solid var(--border); }
.hero-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--gap-2xl); align-items: center; }
.hero h1 { margin-bottom: 24px; }
.hero .lead { margin-bottom: 36px; }
.hero-cta { display: flex; gap: var(--gap-sm); flex-wrap: wrap; align-items: center; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 0; margin-top: 40px; border-top: 1px solid var(--border); }
.hero-meta .cell { padding: 14px 20px 0 0; margin-right: 20px; border-right: 1px solid var(--border); }
.hero-meta .cell:last-child { border-right: 0; }
.hero-meta .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.hero-meta .v { font-family: var(--font-mono); font-size: 13px; color: var(--fg); margin-top: 4px; letter-spacing: 0.02em; }
.status { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg); }
.status .dot { width: 7px; height: 7px; background: var(--fg); border-radius: 50%; }
.fig { border: 1px solid var(--border); }
.fig img { width: 100%; height: auto; }
.fig-cap { display: flex; justify-content: space-between; gap: var(--gap-md); padding: 10px 14px; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 920px) { .hero-split { grid-template-columns: 1fr; } .hero-meta .cell { border-right: 0; } }

/* ─── fleet cards ───────────────────────────────────────────────────── */
.fleet-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.fleet-card { background: var(--bg); display: flex; flex-direction: column; }
.fleet-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.fleet-card .thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(18%) contrast(1.02); transition: transform 0.4s ease, filter 0.4s ease; }
.fleet-card:hover .thumb img { transform: scale(1.04); filter: grayscale(0%); }
.fleet-card .body { padding: 16px 16px 18px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; flex: 1; }
.fleet-card .cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.fleet-card h3 { font-size: 20px; }
.fleet-card .use { color: var(--muted); font-size: 14px; line-height: 1.45; flex: 1; }
.fleet-card .link { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg); }
.fleet-card .link:hover { color: var(--fg); }
@media (max-width: 920px) { .fleet-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .fleet-grid { grid-template-columns: 1fr; } }

/* ─── spec list / table ─────────────────────────────────────────────── */
.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.spec-table th, .spec-table td { padding: 14px 4px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table th { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.spec-table td.lab { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); width: 34%; }
.spec-table td.val { color: var(--fg); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

.spec-list { border-top: 1px solid var(--border); }
.spec-list .row { display: grid; grid-template-columns: 1fr 2fr auto; gap: var(--gap-lg); padding: 16px 4px; border-bottom: 1px solid var(--border); align-items: baseline; }
.spec-list .row .lab { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.spec-list .row .val { font-family: var(--font-display); font-size: 20px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
.spec-list .row .sub { color: var(--muted); font-size: 13px; }

/* ─── steps ─────────────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.step { background: var(--bg); padding: 28px 24px; }
.step .n { font-family: var(--font-mono); font-size: 12px; color: var(--fg); letter-spacing: 0.1em; }
.step h3 { margin: 14px 0 10px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; line-height: 1.5; }
@media (max-width: 920px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* ─── segments ──────────────────────────────────────────────────────── */
.seg { border-top: 1px solid var(--border); padding-top: 24px; }
.seg .tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.seg h3 { margin: 12px 0 10px; }
.seg p { color: var(--muted); font-size: 15px; margin: 0; }
.seg ul { list-style: none; margin: 16px 0 0; padding: 0; }
.seg ul li { font-size: 14px; color: var(--fg); padding: 6px 0; border-bottom: 1px solid var(--border); font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ─── safety strip ──────────────────────────────────────────────────── */
.safety { border: 1px solid var(--border); }
.safety .item { padding: 22px 24px; border-bottom: 1px solid var(--border); display: flex; gap: 16px; align-items: baseline; }
.safety .item:last-child { border-bottom: 0; }
.safety .item .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); min-width: 180px; }
.safety .item .t { font-family: var(--font-display); font-size: 19px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; flex: 1; }
.safety .item .d { color: var(--muted); font-size: 14px; max-width: 44ch; }
@media (max-width: 720px) { .safety .item { flex-direction: column; gap: 6px; } .safety .item .k { min-width: 0; } }

/* ─── service area ──────────────────────────────────────────────────── */
.area-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; padding: 7px 12px; border: 1px solid var(--border); color: var(--muted); }
.chip--hi { color: var(--fg); border-color: var(--border); background: var(--fg-soft); }
.depot { border: 1px solid var(--border); padding: 28px; }
.depot .d-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.depot .d-row:last-child { border-bottom: 0; }
.depot .d-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.depot .d-v { font-size: 15px; color: var(--fg); text-align: right; }
.depot .d-v.mono { font-family: var(--font-mono); }

/* ─── forms ─────────────────────────────────────────────────────────── */
.form-card { border: 1px solid var(--border); padding: clamp(24px, 4vw, 44px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.field .req { color: var(--fg); }
.input, .textarea, .select {
  width: 100%; padding: 13px 14px; min-height: 48px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--fg); font: inherit; font-size: 15px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.input::placeholder, .textarea::placeholder { color: color-mix(in oklch, var(--muted) 70%, transparent); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--fg); background: var(--bg); }
.textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A2A4AB' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.field .hint { font-size: 12px; color: var(--muted); }
.form-note { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.02em; }
.form-success { border: 1px solid var(--accent); padding: 28px; text-align: center; }
.form-success .big { font-family: var(--font-display); font-size: 30px; font-weight: 700; text-transform: uppercase; }
.form-success p { color: var(--muted); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ─── misc ──────────────────────────────────────────────────────────── */
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }
.breadcrumb { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: var(--gap-lg); }
.breadcrumb a:hover { color: var(--fg); }
.breadcrumb .sep { margin: 0 8px; color: var(--border); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.related-grid .fleet-card .thumb { aspect-ratio: 4/3; }
@media (max-width: 920px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } }
.tagline-bar { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 24px; }