/* 605 Radon — site styles */
:root {
  --ink: #13243A;
  --ink-2: #24395A;
  --paper: #FFFFFF;
  --mist: #EAF0F5;
  --mist-2: #DCE5EE;
  --granite: #56637A;
  --line: #D3DCE6;
  --signal: #F2A900;
  --signal-ink: #3A2A00;
  --safe: #2F8F6B;
  --watch: #C99A00;
  --high: #C9442F;
  --radius-s: 6px;
  --radius-m: 12px;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  --font: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink-2); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; border-radius: 2px; }

h1, h2, h3 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.25rem, 5.2vw, 4.1rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.02; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.125rem, 1.6vw, 1.3rem); color: var(--granite); max-width: 36em; }
.muted { color: var(--granite); }
.small { font-size: .9rem; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.prose { max-width: 42rem; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.25em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .4em; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.brand svg { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-weight: 550; font-size: .98rem; }
.nav a:hover { text-decoration: underline; }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; }
.header-call { display: flex; align-items: center; gap: 12px; }
.phone-link { font-weight: 700; text-decoration: none; font-variant-numeric: tabular-nums; white-space: nowrap; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 8px 10px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: var(--radius-s); font: inherit; font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer; border: 2px solid transparent; transition: background-color .15s ease, border-color .15s ease; }
.btn-primary { background: var(--signal); color: var(--signal-ink); }
.btn-primary:hover { background: #FFB916; color: var(--signal-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* Hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-note { margin-top: 20px; font-size: .95rem; color: var(--granite); }

/* Radon reading (signature element) */
.reading { background: var(--mist); border-radius: var(--radius-m); padding: clamp(20px, 3vw, 32px); }
.reading h2 { font-size: 1.3rem; margin-bottom: 4px; }
.reading-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 18px 0 6px; }
.reading-value { display: flex; align-items: baseline; gap: 10px; }
.reading-value input { width: 3.6ch; font: inherit; font-size: clamp(3.2rem, 7vw, 4.6rem); font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; color: var(--ink); background: transparent; border: none; border-bottom: 3px solid var(--ink); padding: 0; line-height: 1; -moz-appearance: textfield; }
.reading-value input::-webkit-outer-spin-button, .reading-value input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.reading-unit { font-weight: 700; color: var(--granite); }
.reading-status { font-weight: 700; padding: 6px 12px; border-radius: 999px; background: var(--paper); white-space: nowrap; font-size: .95rem; }
.reading-status[data-level="low"] { color: var(--safe); }
.reading-status[data-level="watch"] { color: #8A6A00; }
.reading-status[data-level="high"] { color: var(--high); }

.scale { position: relative; margin: 26px 0 8px; padding-bottom: 64px; }
.scale-bar { height: 14px; border-radius: 999px; background: linear-gradient(90deg, var(--safe) 0%, var(--safe) 15%, var(--watch) 25%, var(--signal) 33%, var(--high) 55%, #8E2A1C 100%); }
.scale input[type=range] { position: absolute; top: -9px; left: 0; width: 100%; height: 32px; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; }
.scale input[type=range]::-webkit-slider-runnable-track { background: transparent; height: 32px; }
.scale input[type=range]::-moz-range-track { background: transparent; height: 32px; }
.scale input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 30px; height: 30px; border-radius: 50%; background: var(--paper); border: 4px solid var(--ink); box-shadow: 0 2px 6px rgba(19,36,58,.25); margin-top: 1px; }
.scale input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--paper); border: 4px solid var(--ink); }
.marker { position: absolute; top: 20px; transform: translateX(-50%); text-align: center; font-size: .78rem; line-height: 1.25; color: var(--granite); width: 84px; }
.marker::before { content: ""; display: block; width: 2px; height: 10px; background: var(--ink); margin: 0 auto 4px; opacity: .45; }
.marker b { display: block; color: var(--ink); font-variant-numeric: tabular-nums; font-size: .86rem; }
.marker.action b { background: var(--signal); color: var(--signal-ink); border-radius: 4px; padding: 0 5px; display: table; margin: 0 auto; }
.marker.action::before { opacity: 1; height: 14px; width: 3px; }
.marker.low-row { top: 20px; }
.marker.alt { top: 20px; }
.scale-max { position: absolute; right: 0; top: -22px; font-size: .78rem; color: var(--granite); }
.reading-verdict { margin: 4px 0 16px; min-height: 3.2em; }
.reading-verdict strong { display: block; }
.reading .btn { width: 100%; }
.reading-source { margin: 12px 0 0; font-size: .8rem; color: var(--granite); }

/* Sections */
.section { padding: clamp(48px, 7vw, 88px) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-tint { background: var(--mist); border-top: none !important; }
.section-head { max-width: 40rem; margin-bottom: 32px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); counter-reset: step; }
.steps li { counter-increment: step; padding-top: 16px; border-top: 3px solid var(--ink); }
.steps li::before { content: counter(step); display: block; font-size: 2.4rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.steps p { color: var(--granite); margin: 0; }

.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) auto; gap: 24px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.row h3 { margin: 0; }
.row p { margin: 0; color: var(--granite); }
.row .go { font-weight: 700; white-space: nowrap; text-decoration: underline; text-underline-offset: 3px; }
a.row:hover h3 { text-decoration: underline; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.facts { list-style: none; padding: 0; margin: 0; }
.facts li { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--mist-2); }
.facts li:first-child { border-top: 1px solid var(--mist-2); }
.facts b { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.facts span { color: var(--ink); }
.cite { font-size: .82rem; color: var(--granite); margin-top: 14px; }

.areas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); }
.areas h3 { padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.town-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; }
.town-list a { display: block; padding: 8px 0; font-weight: 600; }
.town-list .plain { display: block; padding: 8px 0; color: var(--granite); }

.cost { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; margin: 24px 0; }
.cost div { padding: 20px; }
.cost div + div { border-left: 1px solid var(--line); }
.cost b { display: block; font-size: 1.9rem; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.cost span { color: var(--granite); font-size: .95rem; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 700; font-size: 1.08rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.6rem; font-weight: 400; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 18px; color: var(--ink); max-width: 42rem; }

/* Page header (inner pages) */
.page-head { padding: clamp(36px, 6vw, 72px) 0 clamp(28px, 4vw, 48px); border-bottom: 1px solid var(--line); }
.crumbs { font-size: .9rem; color: var(--granite); margin-bottom: 18px; }
.crumbs a { color: var(--granite); }
.page-body { padding: clamp(36px, 5vw, 64px) 0; }
.page-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(32px, 5vw, 72px); align-items: start; }
.aside { position: sticky; top: 96px; background: var(--mist); border-radius: var(--radius-m); padding: 24px; }
.aside h2 { font-size: 1.2rem; }
.aside .btn { width: 100%; margin-top: 10px; }
.aside .phone-big { display: block; font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; font-variant-numeric: tabular-nums; margin: 6px 0 2px; }
.callout { border-left: 4px solid var(--signal); background: #FFF8E5; padding: 16px 20px; border-radius: 0 var(--radius-s) var(--radius-s) 0; margin: 24px 0; }
.callout p:last-child { margin-bottom: 0; }

table.simple { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: .98rem; }
table.simple th, table.simple td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.simple th { font-weight: 700; background: var(--mist); }

/* Form */
.quote { background: var(--mist); border-radius: var(--radius-m); padding: clamp(22px, 4vw, 40px); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 650; font-size: .95rem; }
.field .hint { font-weight: 400; color: var(--granite); }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; color: var(--ink); background: var(--paper); border: 1px solid #B9C6D4; border-radius: var(--radius-s); padding: 12px 12px; min-height: 48px; width: 100%; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--signal); outline-offset: 0; border-color: var(--ink); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--granite); }
.consent input { margin-top: 4px; width: 18px; height: 18px; flex: none; accent-color: var(--ink); }
.hp { position: absolute; left: -9999px; }
.form-error { color: var(--high); font-weight: 600; min-height: 1.4em; }

/* Footer */
.site-footer { background: var(--ink); color: #D7E0EA; padding: 56px 0 96px; margin-top: 0; }
.site-footer a { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-size: 1rem; color: #fff; margin-bottom: 10px; letter-spacing: 0; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }
.site-footer .brand { color: #fff; margin-bottom: 12px; }
.disclosure { margin-top: 40px; padding-top: 20px; border-top: 1px solid #2E4566; font-size: .88rem; color: #AFC0D3; max-width: 60rem; }

/* Mobile call bar */
.callbar { display: none; }

@media (max-width: 960px) {
  .hero .wrap, .split, .page-grid { grid-template-columns: 1fr; }
  .aside { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--mist-2); }
  .header-call .phone-link, .header-call .btn { display: none; }
  .brand { white-space: nowrap; }
  .callbar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom)); background: var(--paper); border-top: 1px solid var(--line); }
  .callbar .btn { min-height: 46px; padding: 0 12px; }
}
@media (max-width: 640px) {
  .steps, .areas, .form-grid, .cost { grid-template-columns: 1fr; }
  .cost div + div { border-left: none; border-top: 1px solid var(--line); }
  .town-list { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .facts li { grid-template-columns: 5.5rem minmax(0,1fr); }
  .marker { width: 64px; font-size: .7rem; }
  .marker span { display: none; }
  .reading-top { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}