:root {
    color-scheme: light;
    --paper: #f2f1eb;
    --paper-deep: #e8e7df;
    --ink: #1c2824;
    --muted: #55625b;
    --green: #285444;
    --green-dark: #183b30;
    --orange: #a8431c;
    --orange-bright: #df713d;
    --lime: #dce67b;
    --line: rgba(28, 40, 36, 0.2);
    --sans: 'DM Sans', system-ui, sans-serif;
    --display: 'Manrope', system-ui, sans-serif;
    --mono: 'DM Mono', ui-monospace, monospace;
    --gutter: clamp(22px, 6vw, 96px);
    --max: 1360px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { color: inherit; font: inherit; }
h1, h2, h3, h4, p, ul, ol, dl { margin-top: 0; }
::selection { color: var(--ink); background: var(--lime); }
:focus-visible { outline: 3px solid var(--orange-bright); outline-offset: 3px; }

.wrap { width: min(100%, var(--max)); margin: 0 auto; padding-inline: var(--gutter); }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 40; padding: 10px 14px; color: #fff; background: var(--green-dark); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(242, 241, 235, 0.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand-mark { font: 800 28px/1 var(--display); }
.brand-mark span { color: var(--orange-bright); }
.brand-name { display: flex; flex-direction: column; font: 700 14px/1.05 var(--display); }
.brand-name small { margin-top: 5px; color: var(--muted); font: 500 8px/1.2 var(--mono); letter-spacing: 0.08em; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 34px); font-size: 14px; font-weight: 600; }
.site-nav a:not(.nav-phone) { color: #3f4c45; transition: color 160ms; }
.site-nav a:not(.nav-phone):hover, .site-nav a[aria-current] { color: var(--orange); }
.nav-phone { min-height: 42px; padding: 0 15px; display: inline-flex; align-items: center; border: 1px solid var(--ink); font-weight: 700; white-space: nowrap; }
.menu-toggle { display: none; }
.site-nav a.nav-cta { min-height: 42px; padding: 0 16px; display: inline-flex; align-items: center; color: #fff; background: var(--green-dark); font-weight: 700; white-space: nowrap; transition: background 160ms, color 160ms; }
.site-nav a.nav-cta:hover { color: var(--ink); background: var(--lime); }

/* ---------- shared type ---------- */
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 10px; color: var(--green); font: 500 11px/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--orange-bright); }
.on-dark .eyebrow, .eyebrow.light { color: #c4d3c8; }
h1 { margin-bottom: 24px; font: 600 clamp(38px, 5vw, 70px)/1.07 var(--display); }
h2 { margin-bottom: 0; font: 600 clamp(32px, 4.2vw, 56px)/1.1 var(--display); }
h3 { font: 700 20px/1.3 var(--display); }
h1 em, h2 em { color: var(--green); font-style: normal; }
.on-dark h2 em { color: var(--lime); }
.lede { max-width: 600px; color: var(--muted); font-size: clamp(16px, 1.3vw, 18px); line-height: 1.75; }
.button { min-height: 54px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; color: #fff; background: var(--green-dark); font-size: 14px; font-weight: 700; transition: background 180ms, color 180ms, transform 180ms; }
.button:hover { color: var(--ink); background: var(--lime); transform: translateY(-2px); }
.button.on-lime { color: var(--ink); background: var(--lime); }
.button.on-lime:hover { background: #fff; }
.text-link { display: inline-flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); color: var(--green-dark); font-size: 14px; font-weight: 700; }
.text-link:hover { color: var(--orange); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.section { padding-block: clamp(70px, 9vw, 120px); }
.band-deep { background: var(--paper-deep); }
.on-dark { color: #f2f1eb; background: var(--green-dark); }
.on-dark .lede, .on-dark p { color: #c9d6cd; }

/* ---------- home hero ---------- */
.hero { min-height: min(760px, calc(100svh - 80px)); padding-block: 50px 80px; display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(36px, 6vw, 90px); }
.hero h1 { max-width: 700px; font-size: clamp(38px, 4.8vw, 68px); }
.hero-note { max-width: 420px; margin: 40px 0 0; padding-top: 15px; display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.5; }
.hero-note i { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--orange-bright); }
.hero-visual { position: relative; min-height: 440px; height: clamp(440px, 50vw, 640px); max-height: calc(100svh - 140px); background: #15332b; }
.hero-visual img { width: 100%; height: 100%; object-fit: contain; }
.hero-visual figcaption { position: absolute; right: 22px; bottom: 16px; left: 22px; color: #c4d3c8; font: 11px/1.4 var(--mono); letter-spacing: 0.04em; }

/* ---------- section intro ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr); align-items: end; gap: clamp(30px, 8vw, 110px); }
.split p { margin-bottom: 0; color: var(--muted); }

/* ---------- service rows ---------- */
.service-list { margin-top: 48px; border-top: 1px solid var(--line); }
.service-row { padding: 22px 6px; display: grid; grid-template-columns: 56px 56px minmax(0, 1fr) 28px; align-items: center; gap: 22px; border-bottom: 1px solid var(--line); transition: background 200ms, padding 200ms; }
.service-row:hover { padding-inline: 16px; background: rgba(255, 255, 255, 0.4); }
.service-row .num { color: var(--orange); font: 12px var(--mono); }
.service-row img { width: 48px; height: 48px; }
.service-row h3 { margin-bottom: 4px; font-size: clamp(17px, 2vw, 22px); }
.service-row p { max-width: 760px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.service-row .go { color: var(--green); font-size: 22px; transition: transform 180ms; }
.service-row:hover .go { color: var(--orange); transform: translate(3px, -3px); }

/* ---------- when / checklist ---------- */
.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 6vw, 90px); }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(22px, 3vw, 44px); }
.cols-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.head { max-width: 760px; margin-bottom: 44px; }
.head p { margin: 20px 0 0; color: var(--muted); }
.on-dark .head p { color: #c9d6cd; }
.check { padding: 0; margin: 0; list-style: none; }
.check li { position: relative; padding: 13px 0 13px 30px; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.6; }
.check li::before { content: ''; position: absolute; top: 22px; left: 2px; width: 12px; height: 7px; border-left: 2px solid var(--orange-bright); border-bottom: 2px solid var(--orange-bright); transform: rotate(-45deg); }
.check b { font-weight: 700; }
.measure-block h3 { margin-bottom: 8px; font-size: 18px; }
.measure-block p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.measure-block { padding: 22px 0; border-top: 1px solid var(--line); }
.measure-block .k { display: block; margin-bottom: 8px; color: var(--orange); font: 11px var(--mono); }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.steps li { counter-increment: s; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.35); }
.steps li::before { content: '0' counter(s); display: block; margin-bottom: 30px; color: var(--lime); font: 11px var(--mono); }
.steps h3 { margin-bottom: 6px; font-size: 18px; }
.steps p { margin: 0; font-size: 13px; line-height: 1.65; }
.note { margin: 28px 0 0; padding: 18px 22px; border-left: 3px solid var(--orange-bright); background: rgba(255, 255, 255, 0.55); font-size: 14px; line-height: 1.7; color: var(--muted); }
.note strong { color: var(--ink); }
.band-deep .note { background: rgba(255, 255, 255, 0.5); }

/* ---------- standards table ---------- */
.table-wrap { overflow-x: auto; }
.spec { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec th, .spec td { padding: 15px 18px 15px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec thead th { color: var(--muted); font: 500 11px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.spec td:first-child { width: 28%; font: 500 13px/1.5 var(--mono); color: var(--green-dark); white-space: nowrap; }

/* ---------- area ---------- */
.area { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(30px, 7vw, 100px); align-items: start; }
.area p { color: var(--muted); }
.towns h3 { margin-bottom: 10px; font: 500 11px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--green); }
.towns ul { margin: 0 0 30px; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.towns li { padding: 6px 13px; border: 1px solid var(--line); font-size: 14px; background: rgba(255, 255, 255, 0.45); }

/* ---------- IT ---------- */
.it-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.it-grid article { padding: 22px 22px 26px 0; }
.it-grid article + article { padding-left: 22px; border-left: 1px solid var(--line); }
.it-grid span, .product span.tag { color: var(--orange); font: 11px var(--mono); }
.it-grid h3 { margin: 32px 0 8px; font-size: 18px; }
.it-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.products { margin-top: 44px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product { padding: 22px 22px 26px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.4); }
.product h3 { margin: 22px 0 8px; font-size: 21px; }
.product p { margin: 0 0 14px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.badge { display: inline-block; padding: 3px 10px; border: 1px solid var(--line); font: 11px var(--mono); }

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: clamp(28px, 7vw, 100px); }
.faq h2 { font-size: clamp(30px, 3.6vw, 48px); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; list-style: none; font: 600 15px/1.5 var(--display); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; color: var(--orange); font: 400 24px var(--sans); transition: transform 180ms; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { max-width: 680px; margin: -2px 34px 20px 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 0.85fr; gap: clamp(30px, 7vw, 100px); align-items: end; }
.contact h2 { font-size: clamp(38px, 5vw, 64px); }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; }
.contact-phone { font: 700 clamp(24px, 3vw, 36px)/1.2 var(--display); }
.contact-email { color: var(--lime); font-size: 15px; word-break: break-word; }
.contact-small { color: #c9d6cd; font: 12px/1.6 var(--mono); }
.prep { margin: 22px 0 0; padding: 0; list-style: none; font-size: 14px; }
.prep li { padding: 6px 0 6px 18px; position: relative; color: #c9d6cd; }
.prep li::before { content: ''; position: absolute; top: 16px; left: 0; width: 8px; height: 1px; background: var(--orange-bright); }

/* ---------- sub pages ---------- */
.crumbs { padding-block: 22px 0; font: 12px var(--mono); color: var(--muted); }
.crumbs a { color: var(--green); border-bottom: 1px solid var(--line); }
.crumbs span { margin: 0 6px; }
.page-hero { padding-block: 34px 70px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; gap: clamp(30px, 6vw, 90px); }
.page-hero h1 { font-size: clamp(34px, 4.4vw, 60px); }
.page-art { position: relative; aspect-ratio: 5 / 4; display: grid; place-items: center; border: 1px solid var(--line); background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 40px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 40px 100%, var(--paper-deep); background-blend-mode: soft-light; }
.page-art::before { content: ''; position: absolute; inset: 14px; border: 1px solid var(--line); }
.page-art img { width: 42%; max-width: 190px; position: relative; }
.page-art figcaption { position: absolute; bottom: 24px; left: 28px; color: var(--green); font: 11px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.page-art b { position: absolute; top: 24px; right: 28px; color: var(--orange); font: 500 12px var(--mono); }
.article h2 { margin-bottom: 20px; font-size: clamp(28px, 3.4vw, 42px); }
.article p { color: var(--muted); }
.article p.lead-in { color: var(--ink); font-size: 17px; }
.related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.related a { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--line); font: 700 15px/1.35 var(--display); background: rgba(255, 255, 255, 0.4); transition: background 180ms, transform 180ms; }
.related a:hover { background: var(--lime); transform: translateY(-2px); }

/* ---------- legal page ---------- */
.legal { max-width: 800px; padding-block: 40px 90px; }
.legal h1 { font-size: clamp(32px, 4vw, 48px); }
.legal h2 { margin: 42px 0 12px; font-size: 24px; }
.legal p, .legal li { color: #3f4c45; font-size: 15px; }
.legal ul { padding-left: 20px; }

/* ---------- footer ---------- */
.site-footer { padding-block: 60px 28px; border-top: 1px solid var(--line); background: var(--paper-deep); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(24px, 4vw, 56px); }
.site-footer h4 { margin-bottom: 14px; font: 500 11px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--green); }
.site-footer ul { margin: 0; padding: 0; list-style: none; font-size: 14px; }
.site-footer li { margin-bottom: 8px; }
.site-footer li a:hover { color: var(--orange); }
.footer-brand p { margin: 16px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.footer-legal { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.7; }
.footer-legal p { margin: 0 0 8px; max-width: 980px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
    .hero { grid-template-columns: 1fr; min-height: 0; gap: 34px; }
    .hero-visual { height: 62vw; max-height: 520px; }
    .page-hero { grid-template-columns: 1fr; }
    .page-art { max-width: 520px; }
    .cols-3, .related { grid-template-columns: 1fr 1fr; }
    .cols-4, .steps, .it-grid { grid-template-columns: 1fr 1fr; }
    .it-grid article:nth-child(3) { padding-left: 0; border-left: 0; }
    .it-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
    .products { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
    html { scroll-padding-top: 76px; }
    .header-inner { min-height: 70px; }
    .menu-toggle { width: 44px; height: 44px; padding: 12px 9px; display: flex; flex-direction: column; justify-content: center; gap: 6px; border: 1px solid var(--line); background: none; cursor: pointer; }
    .menu-toggle span { display: block; height: 1px; background: var(--ink); transition: transform 180ms; }
    .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
    .site-nav { position: absolute; top: 69px; right: 0; left: 0; padding: 14px var(--gutter) 24px; display: none; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); background: var(--paper); }
    .site-nav.is-open { display: flex; }
    .site-nav a:not(.nav-phone) { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .nav-phone { justify-content: center; margin-top: 16px; }
    .site-nav a.nav-cta { justify-content: center; margin-top: 14px; padding: 0 16px; border-bottom: 0; }
    .split, .cols-2, .area, .faq, .contact { grid-template-columns: 1fr; gap: 28px; }
    .service-row { grid-template-columns: 40px minmax(0, 1fr) 20px; gap: 14px; }
    .service-row .num { display: none; }
    .service-row img { width: 36px; height: 36px; }
    .service-row:hover { padding-inline: 6px; background: none; }
    .cols-3, .cols-4, .related, .steps, .it-grid { grid-template-columns: 1fr; }
    .it-grid article, .it-grid article + article { padding: 18px 0 22px; border-left: 0; border-top: 1px solid var(--line); }
    .it-grid article:first-child { border-top: 0; }
    .it-grid h3 { margin-top: 14px; }
    .steps li::before { margin-bottom: 14px; }
    .spec thead { display: none; }
    .spec, .spec tbody, .spec tr, .spec td { display: block; width: 100%; }
    .spec tr { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .spec td { padding: 2px 0; border: 0; }
    .spec td:first-child { width: auto; white-space: normal; }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}
