/* Layout: London Underground palette — white ground, Piccadilly blue for actions, roundel red for labels and the phone, tube line colours as card markers. Left-aligned editorial columns, model numbers set in mono. */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #4b5565;
  --line: #d6dae2;
  --accent: #003688;
  --accent-ink: #ffffff;
  --accent-soft: #e1e8f6;
  --copper: #dc241f;
  --alu-1: #f9fafb;
  --alu-2: #e3e6ec;
  --band: #0a1f4d;
  --band-ink: #ffffff;
  --band-muted: #b9c4dc;
  --sky: #1d3a7a;
  --l-central: #e32017; --l-victoria: #0098d4; --l-district: #00782a; --l-bakerloo: #b36305;
  --l-circle: #ffd300; --l-metro: #9b0056; --l-elizabeth: #6950a1; --l-jubilee: #a0a5a9;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --radius: 10px;
  --wrap: 1160px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1220; --surface: #151c2e; --ink: #edf0f6; --muted: #a3adc2; --line: #273150;
    --accent: #7ea2ff; --accent-ink: #061232; --accent-soft: #1b2a52; --copper: #ff5a52;
    --alu-1: #1d2539; --alu-2: #141b2c; --band: #060b18; --band-ink: #edf0f6; --band-muted: #93a0bd; --sky: #16264a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1220; --surface: #151c2e; --ink: #edf0f6; --muted: #a3adc2; --line: #273150;
    --accent: #7ea2ff; --accent-ink: #061232; --accent-soft: #1b2a52; --copper: #ff5a52;
    --alu-1: #1d2539; --alu-2: #141b2c; --band: #060b18; --band-ink: #edf0f6; --band-muted: #93a0bd; --sky: #16264a;
    color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.2rem, 5.4vw, 3.9rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
.mono { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--copper); font-weight: 500; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 60ch; }
.prose { max-width: 68ch; display: grid; gap: 1rem; }
.prose ul { margin: 0; padding-left: 1.2rem; display: grid; gap: .35rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section + .section { border-top: 1px solid var(--line); }
.stack { display: grid; gap: 1.25rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: .5rem 1rem; z-index: 50; }

/* Header */
.topbar { background: var(--band); color: var(--band-muted); font-size: .85rem; }
.topbar .wrap { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; padding-block: .45rem; }
.topbar strong { color: var(--band-ink); font-weight: 600; }
header.site { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; gap: 1rem; padding-block: .8rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; white-space: nowrap; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand small { color: var(--muted); font-weight: 500; }
nav.main { margin-left: auto; display: flex; align-items: center; gap: .2rem; }
nav.main a { white-space: nowrap; color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; padding: .45rem .65rem; border-radius: 6px; }
nav.main a:hover, nav.main a[aria-current="page"] { background: var(--alu-2); }
.phone-btn { display: inline-flex; flex-direction: column; line-height: 1.1; text-decoration: none; background: var(--accent); color: var(--accent-ink); padding: .5rem .9rem; border-radius: 8px; font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.phone-btn span { font-size: .68rem; font-weight: 500; text-transform: uppercase; letter-spacing: .1em; opacity: .85; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: .5rem .7rem; font: inherit; font-weight: 600; cursor: pointer; }
@media (max-width: 1180px) {
  .menu-toggle { display: inline-block; }
  nav.main { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: .5rem max(16px, env(safe-area-inset-right, 0px)) 1rem max(16px, env(safe-area-inset-left, 0px)); }
  nav.main.open { display: flex; }
  nav.main a { padding: .75rem .5rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  header.site .phone-btn { order: 2; }
  .menu-toggle { order: 3; margin-left: 0; }
  header.site .wrap { position: relative; }
  header.site .brand { margin-right: auto; }
}
@media (max-width: 520px) { header.site .wrap { gap: .5rem; } .brand { font-size: 1.05rem; } .brand svg { width: 28px; height: 28px; } .menu-toggle { padding: .5rem .55rem; } .brand small { display: none; } .phone-btn span { display: none; } .phone-btn { padding: .55rem .7rem; font-size: .92rem; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .85rem 1.3rem; border-radius: 8px; font-weight: 650; text-decoration: none; border: 1px solid transparent; font-size: 1rem; cursor: pointer; font-family: inherit; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* Hero */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 em { font-style: normal; color: var(--accent); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }
.facts { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: .92rem; color: var(--muted); padding: 0; margin: 0; list-style: none; }
.facts li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* Model finder: styled as the underside of a laptop */
.underside { position: relative; background: linear-gradient(160deg, var(--alu-1), var(--alu-2)); border: 1px solid var(--line); border-radius: 18px; padding: 2rem 1.6rem 1.6rem; box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 20px 40px -24px rgba(21,25,30,.35); }
.underside .screw { position: absolute; width: 14px; height: 14px; color: var(--muted); opacity: .55; }
.underside .screw.tl { top: 12px; left: 12px; } .underside .screw.tr { top: 12px; right: 12px; }
.underside .screw.bl { bottom: 12px; left: 12px; } .underside .screw.br { bottom: 12px; right: 12px; }
.underside { display: grid; gap: .5rem; }
.underside h2 { font-size: 1.35rem; }
.underside p { color: var(--muted); font-size: .95rem; }
.finder { display: grid; gap: .6rem; margin-top: 1rem; }
.finder label { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.finder-row { display: flex; gap: .5rem; }
.finder input { flex: 1; min-width: 0; font-family: var(--font-mono); font-size: 1.15rem; padding: .7rem .8rem; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-transform: uppercase; }
.finder-result { min-height: 3.2rem; font-size: .95rem; background: var(--surface); border: 1px dashed var(--line); border-radius: 8px; padding: .7rem .8rem; }
.finder-result strong { font-family: var(--font-display); }
.finder-hint { font-size: .82rem !important; }

/* Cards / grids */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; display: grid; gap: .6rem; align-content: start; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card p { color: var(--muted); font-size: .97rem; }
.card .more { color: var(--accent); font-weight: 600; font-size: .92rem; margin-top: .2rem; }
.card .icon { width: 40px; height: 40px; color: var(--accent); }
.section-head { display: grid; gap: .6rem; margin-bottom: 2rem; max-width: 70ch; }

/* Two-column content */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* Fault list */
.faults { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.faults li { display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.faults li strong { font-family: var(--font-display); font-weight: 650; }
.faults li span { color: var(--muted); }
@media (max-width: 640px) { .faults li { grid-template-columns: 1fr; gap: .2rem; } }

/* Model table */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .7rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 500; background: var(--alu-1); }
tr:last-child td { border-bottom: 0; }
td.mono { white-space: nowrap; font-variant-numeric: tabular-nums; }

/* Steps (a real sequence) */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; display: grid; gap: .4rem; align-content: start; }
.steps li::before { content: "Step " counter(s); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--copper); }
.steps li p { color: var(--muted); font-size: .95rem; }

/* Locations */
.locations { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.loc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: grid; gap: .5rem; align-content: start; }
.tag { justify-self: start; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; padding: .25rem .55rem; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.tag.copper { background: color-mix(in srgb, var(--copper) 15%, transparent); color: var(--copper); }
address { font-style: normal; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 1rem 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-family: var(--font-display); font-weight: 650; font-size: 1.1rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin-top: .6rem; color: var(--muted); max-width: 68ch; }

/* Page header */
.page-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem); }
.page-head .wrap { display: grid; gap: 1rem; }
.crumbs { font-size: .85rem; color: var(--muted); }
.crumbs a { color: var(--muted); }

/* CTA band */
.cta-band { background: var(--band); color: var(--band-ink); }
.cta-band .wrap { padding-block: clamp(2.5rem, 6vw, 4rem); display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: center; justify-content: space-between; }
.cta-band p { color: var(--band-muted); max-width: 55ch; margin-top: .5rem; }
.cta-band .big-phone { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; color: var(--band-ink); text-decoration: none; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.cta-band .big-phone:hover { color: var(--accent); }

/* Form */
form.enquiry { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(1.25rem, 3vw, 2rem); display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field-row { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; padding: .7rem .8rem; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); width: 100%; }
.field textarea { min-height: 8rem; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.form-status { font-size: .95rem; padding: .7rem .9rem; border-radius: 8px; }
.form-status.ok { background: var(--accent-soft); color: var(--accent); }
.form-status.err { background: color-mix(in srgb, var(--copper) 14%, transparent); color: var(--copper); }

/* Footer */
footer.site { background: var(--band); color: var(--band-muted); font-size: .92rem; border-top: 1px solid var(--line); }
footer.site .wrap { padding-block: 3rem 2rem; display: grid; gap: 2rem; }
.foot-cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
footer.site h3 { color: var(--band-ink); font-size: 1rem; margin-bottom: .6rem; }
footer.site ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
footer.site a { color: var(--band-muted); text-decoration: none; }
footer.site a:hover { color: var(--band-ink); text-decoration: underline; }
.legal { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; font-size: .8rem; display: grid; gap: .4rem; }

/* Underground touches */
.phone-btn { background: var(--copper); color: #fff; }
.hero h1 em { color: var(--copper); }
.facts li::before { color: var(--copper); }
a.card { border-top: 6px solid var(--line-c, var(--accent)); }
.grid > a.card:nth-child(1) { --line-c: var(--l-central); }
.grid > a.card:nth-child(2) { --line-c: var(--l-victoria); }
.grid > a.card:nth-child(3) { --line-c: var(--l-district); }
.grid > a.card:nth-child(4) { --line-c: var(--l-bakerloo); }
.grid > a.card:nth-child(5) { --line-c: var(--l-circle); }
.grid > a.card:nth-child(6) { --line-c: var(--l-metro); }
.grid > a.card:nth-child(7) { --line-c: var(--l-elizabeth); }
a.card .icon { color: var(--ink); }
a.card:hover { border-color: var(--line); border-top-color: var(--line-c); }
.steps { row-gap: 2rem; }
.steps li { position: relative; border-top: 6px solid var(--accent); }
.steps li::after { content: ""; position: absolute; top: -14px; left: 1.3rem; width: 22px; height: 22px; border-radius: 50%; background: var(--surface); border: 5px solid var(--accent); box-sizing: border-box; }
.steps li::before { margin-top: .4rem; }
.cta-band .big-phone:hover { color: var(--l-circle); }
.tag { background: var(--accent-soft); color: var(--accent); }

/* Data storage chips & states */
.data-chip { display: inline-flex; align-items: center; gap: .45rem; font-size: .88rem; white-space: nowrap; }
.data-chip i { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.states { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.states-col { grid-template-columns: 1fr; }
.state { background: var(--surface); border: 1px solid var(--line); border-left: 8px solid var(--line-c); border-radius: var(--radius); padding: 1.2rem 1.3rem; display: grid; gap: .4rem; align-content: start; }
.state p { color: var(--muted); font-size: .95rem; }
.count { font-family: var(--font-mono); font-size: .8rem; font-weight: 400; color: var(--muted); letter-spacing: 0; vertical-align: middle; margin-left: .4rem; }
table.models td:first-child { min-width: 16rem; }
table.models td.num { font-variant-numeric: tabular-nums; }
table.models tbody tr:hover { background: var(--alu-1); }
.model-search { display: grid; gap: .4rem; max-width: 36rem; }
.model-search label { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.model-search input { font: inherit; font-size: 1.1rem; padding: .8rem 1rem; border-radius: 8px; border: 2px solid var(--accent); background: var(--surface); color: var(--ink); width: 100%; }
.search-count { font-size: .9rem; color: var(--muted); }
.jump { display: flex; flex-wrap: wrap; gap: .3rem .9rem; font-weight: 600; }
.spec { margin: 0; display: grid; border-top: 1px solid var(--line); }
.spec div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 1rem; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.spec dt { color: var(--muted); font-size: .92rem; }
.spec dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.same-a { font-size: .92rem; color: var(--muted); }
.nbs { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); margin-top: 2rem; }
.nb { display: grid; gap: .2rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); text-decoration: none; color: var(--ink); font-weight: 600; }
.nb span { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--copper); font-weight: 500; }
.nb:hover { border-color: var(--accent); }
.finder-model { display: block; font-family: var(--font-display); font-weight: 650; color: var(--ink); }
.finder-msg { margin-top: .5rem !important; font-size: .92rem !important; color: var(--ink) !important; padding-left: .7rem; border-left: 4px solid var(--l-district); }
.finder-blade { border-left-color: var(--l-victoria); }
.finder-soldered { border-left-color: var(--l-bakerloo); }
.finder-t2, .finder-silicon { border-left-color: var(--l-central); }

/* Tube-map illustrations */
.spec .data-chip { white-space: normal; }
.map-fig { margin: 0; min-width: 0; }
.tm { width: 100%; height: auto; display: block; }
.tm-board { fill: var(--surface); stroke: var(--line); stroke-width: 2; }
.tm-hole { fill: var(--bg); stroke: var(--l-jubilee); stroke-width: 2; }
.tm-headbox { fill: var(--accent); }
.tm-headtxt { fill: var(--accent-ink); font: 700 20px var(--font-display); letter-spacing: 2px; }
.tm-line { fill: none; stroke-width: 14; stroke-linecap: round; stroke-linejoin: round; }
.tm-tick { stroke-width: 6; }
.tm-central { stroke: var(--l-central); } .tm-victoria { stroke: var(--l-victoria); } .tm-district { stroke: var(--l-district); }
.tm-bakerloo { stroke: var(--l-bakerloo); } .tm-circle { stroke: var(--l-circle); } .tm-jubilee { stroke: var(--l-jubilee); }
.tm-ix { fill: var(--surface); stroke: var(--ink); stroke-width: 5; }
.tm-lbl { fill: var(--ink); font: 600 15px var(--font-display); }
.tm-strong { font-weight: 800; } .tm-small { font-size: 12px; font-weight: 500; fill: var(--muted); }
.tm-red { fill: var(--copper); } .tm-leg { fill: var(--muted); font: 500 13px var(--font-body); }
.tm-fault circle { fill: none; stroke: var(--copper); stroke-width: 4; }
.tm-fault path { fill: none; stroke: var(--copper); stroke-width: 3; } .tm-fault rect { fill: var(--copper); }
.tm-faulttxt { fill: #fff; font: 700 12px var(--font-body); letter-spacing: 1px; }
@media (prefers-reduced-motion: no-preference) {
  .tm-fault circle { animation: pulse 2.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
}

/* London skyline + tube stripes */
.cta-band { position: relative; overflow: hidden; }
.skyline-wrap { height: clamp(90px, 14vw, 160px); }
.skyline { width: 100%; height: 100%; display: block; }
.skyline * { fill: var(--sky); }
.skyline .sky-ring, .skyline .sky-spoke, .skyline .sky-cable { fill: none; stroke: var(--sky); stroke-width: 4; }
.skyline .sky-spoke { stroke-width: 2; }
.skyline .sky-cut { fill: var(--band); }
.tube-stripes { display: flex; height: 8px; }
.tube-stripes i { flex: 1; }

/* Hero enquiry form */
.hero .wrap { align-items: start; }
form.enquiry { gap: .85rem; }
.hero-form { box-shadow: 0 24px 48px -28px rgba(10,31,77,.45); border-top: 6px solid var(--accent); }
.form-head { display: grid; gap: .3rem; }
.form-head h2 { font-size: 1.45rem; }
.form-head p { color: var(--muted); font-size: .92rem; }
.field label .opt { font-weight: 400; color: var(--muted); font-size: .82rem; }
.field select { appearance: auto; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.fault-link { font-size: .9rem; font-weight: 600; margin-top: .2rem; }
.btn-wide { justify-content: center; width: 100%; font-size: 1.05rem; }
.form-note { font-size: .8rem; color: var(--muted); }
.form-note strong { color: var(--ink); white-space: nowrap; }
.fault-hero .crumbs { margin-bottom: -.25rem; }

/* Faults dropdown */
.dd { position: relative; }
.dd-btn { font: inherit; font-size: .95rem; font-weight: 600; color: var(--ink); background: none; border: 0; padding: .45rem .65rem; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.dd-btn::after { content: " ▾"; color: var(--copper); }
.dd-btn:hover, .dd.open .dd-btn { background: var(--alu-2); }
.dd-panel { display: none; position: absolute; top: calc(100% + 6px); left: 0; z-index: 30; min-width: 300px; background: var(--surface); border: 1px solid var(--line); border-top: 5px solid var(--copper); border-radius: 0 0 10px 10px; box-shadow: 0 18px 40px -20px rgba(10,31,77,.45); padding: .4rem; }
.dd.open .dd-panel { display: grid; }
.dd-panel a { padding: .55rem .7rem !important; border-radius: 6px; font-weight: 500; }
.dd-panel a:hover { background: var(--alu-2); }
.dd-panel .dd-all { border-top: 1px solid var(--line) !important; margin-top: .3rem; color: var(--accent) !important; font-weight: 600; }
@media (max-width: 1180px) {
  .dd-btn { width: 100%; text-align: left; padding: .75rem .5rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .dd-panel { position: static; box-shadow: none; border: 0; border-left: 4px solid var(--copper); border-radius: 0; min-width: 0; margin: .3rem 0 .3rem .5rem; padding: 0; }
  .dd-panel a { border-bottom: 0 !important; }
}