/* All-Terrain Scanning website preview
   Layout: white header bar, dark "Ground Line" hero, then light and dark bands that alternate.
   One deliberate look (no light/dark switch), so every colour is set here. */
:root {
  --sunrise: #F5A915;
  --coral: #ED5D3A;
  --magenta: #E81A4E;
  --plum: #6B2D87;
  --midnight: #1F1A4D;
  --ink: #120E2E;
  --cream: #FAF7F2;
  --white: #FFFFFF;
  --text: #1B1636;          /* body text on light bands */
  --muted: #5B5675;         /* secondary text on light bands */
  --line: #E4DFEC;          /* hairlines on light bands */
  --on-dark: #F4F1FA;       /* text on dark bands */
  --on-dark-muted: #B9B2D3; /* secondary text on dark bands */
  --line-dark: rgba(255,255,255,0.12);
  --gradient: linear-gradient(90deg, var(--sunrise) 0%, var(--coral) 35%, var(--magenta) 68%, var(--plum) 100%);

  --font-display: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-data: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.2rem;
  --step-2: 1.6rem;
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  --step-4: clamp(2.5rem, 1.6rem + 4vw, 4.4rem);

  --max: 1200px;
  --radius: 12px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
h1 { font-size: var(--step-4); font-weight: 800; }
h2 { font-size: var(--step-3); font-weight: 800; }
h3 { font-size: var(--step-1); font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--sunrise); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.band { padding-block: clamp(56px, 8vw, 104px); }
.band--white { background: var(--white); }
.band--cream { background: var(--cream); }
.band--dark { background: var(--midnight); color: var(--on-dark); }
.band--ink { background: var(--ink); color: var(--on-dark); }

.eyebrow {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--plum);
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::after { content: ""; height: 2px; width: 48px; background: var(--gradient); border-radius: 2px; }
.band--dark .eyebrow, .band--ink .eyebrow, .hero .eyebrow, .page-hero .eyebrow, .cta .eyebrow { color: var(--sunrise); }
.lede { font-size: var(--step-1); color: var(--muted); max-width: 60ch; }
.band--dark .lede, .band--ink .lede { color: var(--on-dark-muted); }
.section-head { display: grid; gap: 16px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 760px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  padding: 14px 22px; border-radius: 999px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--quote { background: var(--sunrise); color: var(--ink); box-shadow: 0 6px 24px rgba(245,169,21,.35); }
.btn--quote:hover { box-shadow: 0 8px 30px rgba(245,169,21,.5); }
.btn--ghost { border-color: rgba(255,255,255,.35); color: var(--on-dark); background: transparent; }
.btn--ghost:hover { border-color: var(--sunrise); }
.btn--dark { background: var(--midnight); color: var(--white); }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* Header: white bar */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--white); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 90px; }
.brand { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.brand img { height: 72px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  text-decoration: none; font-weight: 600; font-size: 0.95rem; color: var(--text);
  padding: 8px 12px; border-radius: 8px;
}
.nav a:hover { background: var(--cream); }
.nav a[aria-current="page"] { color: var(--plum); box-shadow: inset 0 -3px 0 var(--magenta); border-radius: 0; }
.nav .btn { margin-left: 10px; padding: 11px 18px; }
.nav-toggle { display: none; min-height: 44px; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font: inherit; font-weight: 600; color: var(--text); cursor: pointer; }
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); flex-direction: column; align-items: stretch; gap: 0;
         padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgba(18,14,46,.12); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { box-shadow: none; }
  .nav .btn { margin: 14px 0 0; justify-content: center; }
  .brand img { height: 52px; }
}

/* Hero: dark Ground Line */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 70% 10%, #2E2266 0%, var(--midnight) 45%, var(--ink) 100%);
  color: var(--on-dark);
}
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 24px; align-items: center; min-height: 600px; padding-block: 56px 150px; }
.hero-copy { display: grid; gap: 22px; max-width: 560px; }
.hero-copy p.sub { font-size: var(--step-1); color: var(--on-dark-muted); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.chip { background: rgba(18,14,46,.7); font-family: var(--font-data); font-size: 0.74rem; letter-spacing: .06em; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--line-dark); color: var(--on-dark-muted); }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; display: block; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(18,14,46,.88) 0%, rgba(18,14,46,.6) 32%, rgba(18,14,46,0) 52%); }
.hero-tag { position: absolute; z-index: 2; right: max(16px, env(safe-area-inset-right, 0px)); top: 24px; font-family: var(--font-data); font-size: .72rem; letter-spacing: .08em; color: var(--on-dark-muted); text-align: right; line-height: 1.5; }
.hero-tag b { color: var(--on-dark); font-weight: 600; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; min-height: 0; padding-block: 40px 400px; }
  #hero-canvas { top: auto; height: 400px; }
  .hero::before { background: linear-gradient(180deg, rgba(18,14,46,.4) 0%, rgba(18,14,46,0) 60%); }
  .hero-tag { top: auto; bottom: 360px; }
}

/* Page hero for inner pages */
.page-hero { position: relative; overflow: hidden; background: radial-gradient(120% 120% at 80% 0%, #2E2266 0%, var(--midnight) 50%, var(--ink) 100%); color: var(--on-dark); }
.page-hero .wrap { position: relative; z-index: 2; padding-block: 64px 120px; display: grid; gap: 18px; max-width: var(--max); }
.page-hero h1 { font-size: clamp(2.2rem, 1.5rem + 3vw, 3.6rem); max-width: 18ch; }
.page-hero p:not(.eyebrow) { color: var(--on-dark-muted); font-size: var(--step-1); max-width: 58ch; }
.ground-svg { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 120px; z-index: 1; }

/* Light strip right under the hero */
.feature-strip { background: var(--cream); }
.feature-strip .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.feature-strip .intro { display: flex; gap: 20px; align-items: flex-start; }
.feature-strip .intro svg { flex-shrink: 0; }
.feature-strip .intro div { display: grid; gap: 10px; min-width: 0; }
.feature-list { display: grid; border-left: 1px solid var(--line); }
.feature-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 16px; align-items: center; padding: 18px 0 18px 28px; border-bottom: 1px solid var(--line); }
.feature-list li:last-child { border-bottom: 0; }
.feature-list b { font-family: var(--font-display); font-size: 1.05rem; display: block; }
.feature-list span { color: var(--muted); font-size: .95rem; }
ul.clean { list-style: none; margin: 0; padding: 0; }
@media (max-width: 860px) { .feature-strip .wrap { grid-template-columns: 1fr; } .feature-list { border-left: 0; } .feature-list li { padding-left: 0; } }

/* Audience doors */
.doors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.door { display: grid; gap: 12px; align-content: start; padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color .15s ease, transform .15s ease; }
.door:hover { border-color: var(--magenta); transform: translateY(-2px); }
.door .who { font-family: var(--font-data); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--magenta); }
.door p { color: var(--muted); }
.door .go { font-weight: 700; color: var(--plum); margin-top: 6px; }
@media (max-width: 860px) { .doors { grid-template-columns: 1fr; } }

/* Services on dark */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.service { background: var(--midnight); padding: 28px; display: grid; gap: 12px; align-content: start; }
.service canvas.bscan { width: 100%; height: 96px; border-radius: 8px; background: var(--ink); display: block; }
.service p { color: var(--on-dark-muted); font-size: .95rem; }
.service a { color: var(--sunrise); font-weight: 700; text-decoration: none; font-size: .95rem; }
.service a:hover { text-decoration: underline; }
@media (max-width: 960px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .services { grid-template-columns: 1fr; } }

/* Photo + proof */
.field { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.field figure { margin: 0; position: relative; }
.field figure img { border-radius: var(--radius); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.field figcaption { font-family: var(--font-data); font-size: .75rem; color: var(--muted); margin-top: 10px; letter-spacing: .03em; }
.proof { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; margin-top: 28px; }
.proof div { border-top: 2px solid var(--line); padding-top: 14px; }
.proof strong { display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; line-height: 1; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.proof span { color: var(--muted); font-size: .92rem; }
@media (max-width: 860px) { .field { grid-template-columns: 1fr; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
.step::before { counter-increment: step; content: counter(step); font-family: var(--font-display); font-weight: 800; font-size: 1rem; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--white); background: var(--gradient); }
.step p { color: var(--muted); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Slab depth plan (example project) */
.showcase { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.plan-card { background: var(--ink); border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 18px; }
.plan-card svg { width: 100%; height: auto; display: block; }
.plan-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-family: var(--font-data); font-size: .72rem; letter-spacing: .08em; color: var(--on-dark-muted); margin-bottom: 10px; }
.readout { font-family: var(--font-data); font-size: .85rem; color: var(--on-dark); min-height: 3.2em; border-top: 1px solid var(--line-dark); padding-top: 12px; margin-top: 10px; }
.readout b { color: var(--sunrise); font-weight: 600; }
.scale { display: flex; align-items: center; gap: 10px; font-family: var(--font-data); font-size: .72rem; color: var(--on-dark-muted); margin-top: 10px; }
.scale i { flex: 1; height: 8px; border-radius: 4px; background: linear-gradient(90deg, #F5A915, #ED5D3A, #E81A4E, #6B2D87); }
.legend { display: grid; gap: 14px; margin-top: 24px; }
.legend div { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: center; }
.legend p { color: var(--on-dark-muted); font-size: .92rem; }
.legend b { color: var(--on-dark); display: block; font-family: var(--font-display); }
.sw { width: 40px; height: 26px; border-radius: 5px; }
.sw--measured { background: linear-gradient(90deg, #F5A915, #E81A4E); }
.sw--modelled { background: rgba(245,169,21,.25); border: 1px solid rgba(245,169,21,.6); }
.sw--fog { background: repeating-linear-gradient(45deg, rgba(255,255,255,.18) 0 4px, transparent 4px 8px); border: 1px dashed rgba(255,255,255,.4); }
@media (max-width: 860px) { .showcase { grid-template-columns: 1fr; } }

/* Cards: projects */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.card img, .card canvas { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; background: var(--ink); }
.card .body { padding: 22px; display: grid; gap: 8px; align-content: start; }
.card .tag { font-family: var(--font-data); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--magenta); }
.card p { color: var(--muted); font-size: .95rem; }
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* CTA band */
.cta { position: relative; overflow: hidden; background: var(--ink); color: var(--on-dark); }
.cta .wrap { position: relative; z-index: 2; padding-block: 80px 130px; display: grid; gap: 18px; justify-items: start; }
.cta h2 { font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem); }
.cta .contact-line { display: flex; flex-wrap: wrap; gap: 10px 28px; font-family: var(--font-data); font-size: .95rem; color: var(--on-dark-muted); }
.cta .contact-line b { color: var(--on-dark); font-weight: 600; user-select: all; }

/* Inner page content */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.svc-block { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(20px, 4vw, 48px); padding-block: 40px; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.svc-block:first-of-type { border-top: 0; }
.svc-block .h { display: grid; gap: 10px; align-content: start; }
.svc-block .h .kicker { font-family: var(--font-data); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--magenta); }
.svc-block .h p { color: var(--muted); font-size: 1.05rem; }
.svc-block ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; }
.svc-block ul li::marker { color: var(--coral); }
.svc-block .btn { margin-top: 14px; justify-self: start; }
.svc-block .body { display: grid; gap: 10px; align-content: start; min-width: 0; }
@media (max-width: 860px) { .svc-block { grid-template-columns: 1fr; } }
.subnav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.subnav a { font-size: .9rem; font-weight: 600; text-decoration: none; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line-dark); color: var(--on-dark); }
.subnav a:hover { border-color: var(--sunrise); }
.note { font-size: .9rem; color: var(--muted); border-left: 3px solid var(--sunrise); padding: 10px 14px; background: var(--white); border-radius: 0 8px 8px 0; }

.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.tier { border-radius: var(--radius); padding: 28px; background: var(--midnight); color: var(--on-dark); display: grid; gap: 12px; align-content: start; border: 1px solid var(--line-dark); }
.tier .lvl { font-family: var(--font-data); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sunrise); }
.tier p, .tier li { color: var(--on-dark-muted); font-size: .95rem; }
.tier ul { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; }
@media (max-width: 960px) { .tiers { grid-template-columns: 1fr; } }
.formats { display: flex; flex-wrap: wrap; gap: 8px; }
.formats span { font-family: var(--font-data); font-size: .8rem; padding: 6px 12px; border-radius: 6px; background: var(--white); border: 1px solid var(--line); }

.form { display: grid; gap: 16px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 36px); }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
.form input, .form select, .form textarea { font: inherit; padding: 12px 14px; border-radius: 8px; border: 1px solid #CFC8DD; background: var(--cream); color: var(--text); width: 100%; }
.form textarea { min-height: 130px; resize: vertical; }
.form .status { font-size: .92rem; color: var(--plum); min-height: 1.4em; }
.contact-list { display: grid; gap: 18px; }
.contact-list div { display: grid; gap: 2px; }
.contact-list span { font-family: var(--font-data); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--magenta); }
.contact-list b { font-size: 1.1rem; user-select: all; }
.faq { display: grid; gap: 10px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; }
.faq summary { font-family: var(--font-display); font-weight: 700; cursor: pointer; }
.faq details p { color: var(--muted); margin-top: 10px; }

/* Footer */
.site-footer { background: var(--ink); color: var(--on-dark-muted); border-top: 1px solid var(--line-dark); }
.site-footer .wrap { padding-block: 56px 40px; display: grid; grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.site-footer img { height: 92px; width: auto; }
.site-footer h4 { font-family: var(--font-data); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sunrise); margin: 0 0 12px; font-weight: 500; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .95rem; }
.site-footer a { text-decoration: none; color: var(--on-dark); }
.site-footer a:hover { color: var(--sunrise); }
.legal { border-top: 1px solid var(--line-dark); }
.legal .wrap { padding-block: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: .8rem; grid-template-columns: none; }
@media (max-width: 860px) { .site-footer .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .site-footer .wrap { grid-template-columns: 1fr; } }

.preview-ribbon { background: var(--gradient); color: var(--ink); font-size: .82rem; font-weight: 600; text-align: center; padding: 6px 16px; }

canvas.ground { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 130px; z-index: 1; display: block; }
.hero-bottom-fade { position: absolute; left: 0; right: 0; bottom: 0; height: 40px; z-index: 1; background: linear-gradient(transparent, rgba(18,14,46,.6)); pointer-events: none; }