:root {
    --ink: #101214;
    --ink-soft: #2f3438;
    --night: #08090a;
    --night-2: #111417;
    --paper: #f5f4f0;
    --white: #ffffff;
    --muted: #697177;
    --line: #d8dbdd;
    --accent: #f1be23;
    --accent-dark: #c18f00;
    --success: #246b3e;
    --danger: #9c2f2f;
    --shadow: 0 24px 70px rgba(7, 8, 9, 0.14);
    --radius: 18px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 2000; left: 16px; top: -80px; padding: 12px 18px; background: var(--accent); color: var(--night); font-weight: 800; }
.skip-link:focus { top: 16px; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled { background: rgba(8, 9, 10, .95); border-color: rgba(255,255,255,.12); box-shadow: 0 12px 36px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.header-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; color: var(--white); flex: 0 0 auto; }
.brand img { width: 52px; height: 70px; object-fit: contain; }
.brand-copy { display: grid; line-height: 1; text-transform: uppercase; letter-spacing: .08em; }
.brand-copy strong { font-size: 1.02rem; }
.brand-copy span { margin-top: 7px; color: rgba(255,255,255,.68); font-size: .72rem; font-weight: 700; }
.primary-nav { display: flex; align-items: center; gap: 25px; }
.primary-nav > a { color: rgba(255,255,255,.86); text-decoration: none; font-size: .92rem; font-weight: 700; }
.primary-nav > a:hover, .primary-nav > a:focus-visible { color: var(--accent); }
.nav-toggle { display: none; width: 46px; height: 46px; padding: 11px; border: 1px solid rgba(255,255,255,.28); border-radius: 10px; background: rgba(0,0,0,.24); }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--white); }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 21px; border: 1px solid transparent; border-radius: 9px; text-decoration: none; font-weight: 850; letter-spacing: .015em; cursor: pointer; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid rgba(241,190,35,.52); outline-offset: 3px; }
.button-accent { background: var(--accent); color: var(--night); box-shadow: 0 10px 26px rgba(241,190,35,.2); }
.button-accent:hover { background: #ffd044; }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.42); background: rgba(0,0,0,.24); }
.button-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.button-small { min-height: 42px; padding: 9px 15px; font-size: .86rem; }

.hero { position: relative; min-height: 760px; display: grid; align-items: center; overflow: hidden; color: var(--white); background: var(--night); }
.hero-media, .hero-media img, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center; }
.hero-overlay { background: linear-gradient(90deg, rgba(5,6,7,.96) 0%, rgba(5,6,7,.82) 42%, rgba(5,6,7,.38) 74%, rgba(5,6,7,.35) 100%), linear-gradient(0deg, rgba(5,6,7,.64), transparent 48%); }
.hero-content { position: relative; z-index: 2; padding-block: 170px 130px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: .78rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.dark { color: #8a6500; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(3.1rem, 7vw, 6.6rem); line-height: .94; letter-spacing: -.055em; text-transform: uppercase; }
.hero-lead { max-width: 680px; margin: 28px 0 0; color: rgba(255,255,255,.82); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0; margin-top: 45px; }
.hero-facts > div { display: grid; min-width: 160px; padding: 0 28px; border-left: 1px solid rgba(255,255,255,.25); }
.hero-facts > div:first-child { padding-left: 0; border-left: 0; }
.hero-facts strong { font-size: 1.5rem; line-height: 1; }
.hero-facts span { margin-top: 7px; color: rgba(255,255,255,.64); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.service-area-ribbon { position: absolute; z-index: 3; inset: auto 0 0; background: var(--accent); color: var(--night); }
.service-area-ribbon .container { min-height: 52px; display: flex; justify-content: space-between; align-items: center; gap: 30px; font-size: .86rem; font-weight: 800; }

.notice { margin-top: 24px; padding: 14px 18px; border-radius: 10px; font-weight: 700; }
.notice-success { background: #dff2e5; border: 1px solid #8fc6a0; color: #1d5d34; }
.notice-error { background: #f7dddd; border: 1px solid #d89a9a; color: #7c2525; }

.section { padding: 110px 0; }
.section-heading { margin-bottom: 50px; }
.section-heading h2 { max-width: 780px; margin: 0; font-size: clamp(2.3rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.045em; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); align-items: end; gap: 70px; }
.split-heading > p { margin: 0 0 6px; color: var(--muted); font-size: 1.04rem; }
.split-heading.light > p { color: rgba(255,255,255,.66); }
.centered-heading { max-width: 780px; margin-inline: auto; text-align: center; }
.centered-heading h2 { margin-inline: auto; }
.centered-heading > p:last-child { color: var(--muted); font-size: 1.06rem; }

.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.service-card { min-height: 420px; padding: 28px 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 14px 35px rgba(20,24,28,.05); }
.service-card-dark { background: var(--night-2); border-color: var(--night-2); color: var(--white); }
.service-number { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--accent); color: var(--night); font-weight: 900; }
.service-card h3 { margin: 50px 0 20px; font-size: 1.35rem; line-height: 1.1; }
.service-card ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; color: var(--muted); }
.service-card-dark ul { color: rgba(255,255,255,.68); }
.service-card li { position: relative; padding-left: 17px; }
.service-card li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.qualification-note { margin: 24px 0 0; color: var(--muted); font-size: .86rem; }

.section-dark { background: var(--night); color: var(--white); }
.project-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 245px; gap: 14px; }
.project-card { position: relative; grid-column: span 5; margin: 0; padding: 0; overflow: hidden; border: 0; border-radius: 14px; background: #1d2023; cursor: zoom-in; text-align: left; }
.project-card-wide { grid-column: span 7; }
.project-card-tall { grid-column: span 7; }
.project-card picture, .project-card img { width: 100%; height: 100%; }
.project-card img { object-fit: cover; transition: transform .35s ease, filter .35s ease; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,6,7,.9), transparent 62%); }
.project-card > span { position: absolute; z-index: 2; inset: auto 22px 19px; display: grid; color: var(--white); }
.project-card strong { font-size: 1.08rem; }
.project-card small { margin-top: 4px; color: rgba(255,255,255,.68); }
.project-card:hover img { transform: scale(1.045); filter: saturate(1.08); }

.process-section { background: #ebeae5; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 50px 0 0; padding: 0; list-style: none; }
.process-grid li { position: relative; padding: 28px 24px 30px; border-top: 4px solid var(--ink); background: rgba(255,255,255,.58); }
.process-grid li > span { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); font-weight: 900; }
.process-grid h3 { margin: 34px 0 10px; font-size: 1.2rem; }
.process-grid p { margin: 0; color: var(--muted); }

.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.about-visual { position: relative; min-height: 520px; display: grid; place-items: center; overflow: hidden; border-radius: 24px; background: var(--accent); }
.about-visual > img { width: 56%; opacity: .97; }
.experience-seal { position: absolute; right: 0; bottom: 0; width: 210px; min-height: 185px; display: grid; align-content: center; padding: 26px; background: var(--night); color: var(--white); }
.experience-seal strong { font-size: 3.5rem; line-height: .9; }
.experience-seal span { margin-top: 12px; color: rgba(255,255,255,.67); font-size: .85rem; text-transform: uppercase; letter-spacing: .09em; }
.about-copy h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.05em; }
.about-copy .lead { margin: 28px 0 18px; font-size: 1.16rem; color: var(--ink-soft); }
.about-copy > p:not(.eyebrow):not(.lead) { color: var(--muted); }
.value-list { display: grid; gap: 20px; margin-top: 35px; }
.value-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding-top: 19px; border-top: 1px solid var(--line); }
.value-list span { color: var(--muted); }

.area-section { background: var(--night-2); color: var(--white); }
.area-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.area-grid h2 { margin: 0; font-size: clamp(2.8rem, 5vw, 5rem); line-height: .95; }
.area-grid p:last-child { max-width: 590px; color: rgba(255,255,255,.68); }
.area-list { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(255,255,255,.15); border-radius: 16px; overflow: hidden; }
.area-list span { padding: 23px; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); font-weight: 750; }
.area-list span:nth-child(2n) { border-right: 0; }
.area-list span:nth-last-child(-n+2) { border-bottom: 0; }

.estimate-section { background: var(--white); }
.estimate-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 65px; align-items: start; }
.estimate-intro { position: sticky; top: 125px; }
.estimate-intro h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.2rem); line-height: .98; letter-spacing: -.05em; }
.estimate-intro > p:not(.eyebrow) { color: var(--muted); font-size: 1.03rem; }
.contact-stack { display: grid; margin-top: 36px; border-top: 1px solid var(--line); }
.contact-stack a { display: grid; padding: 17px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact-stack a:hover strong { color: #8a6500; }
.contact-stack span { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.contact-stack strong { margin-top: 4px; font-size: 1rem; overflow-wrap: anywhere; }
.estimate-form { display: grid; gap: 27px; padding: 35px; border: 1px solid var(--line); border-radius: 20px; background: #fafaf8; box-shadow: var(--shadow); }
.form-grid { display: grid; gap: 18px; }
.two-columns { grid-template-columns: 1fr 1fr; }
.three-columns { grid-template-columns: repeat(3, 1fr); }
.estimate-form label, .estimate-form fieldset { margin: 0; }
.estimate-form label > span, .estimate-form legend { display: block; margin-bottom: 7px; font-size: .82rem; font-weight: 850; color: var(--ink-soft); }
.estimate-form em { color: var(--danger); font-style: normal; }
.estimate-form input:not([type="checkbox"]):not([type="file"]), .estimate-form select, .estimate-form textarea {
    width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #c9cdd0; border-radius: 8px; background: var(--white); color: var(--ink);
}
.estimate-form textarea { resize: vertical; }
.estimate-form fieldset { padding: 0; border: 0; }
.checkbox-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.checkbox-grid label { display: flex; align-items: center; min-height: 42px; gap: 9px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--white); cursor: pointer; }
.checkbox-grid label:has(input:checked) { border-color: var(--accent-dark); background: #fff9dd; }
.checkbox-grid input { width: 17px; height: 17px; accent-color: var(--accent-dark); flex: 0 0 auto; }
.checkbox-grid label > span { margin: 0; font-size: .78rem; font-weight: 700; }
.file-field { display: block; padding: 18px; border: 1px dashed #aeb4b8; border-radius: 10px; background: var(--white); }
.file-field input { display: block; width: 100%; margin-top: 9px; }
.file-field small, .file-field output { display: block; margin-top: 7px; color: var(--muted); font-size: .76rem; }
.file-field output { color: var(--ink-soft); overflow-wrap: anywhere; }
.consent-field { display: flex; align-items: flex-start; gap: 11px; }
.consent-field input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent-dark); flex: 0 0 auto; }
.consent-field > span { margin: 0 !important; color: var(--muted) !important; font-weight: 600 !important; }
.form-submit-row { display: flex; align-items: center; gap: 18px; }
.form-status { margin: 0; font-size: .86rem; font-weight: 750; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.site-footer { padding: 75px 0 28px; background: var(--night); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .6fr; gap: 60px; }
.footer-grid > div { display: grid; align-content: start; justify-items: start; }
.footer-grid img { width: 72px; }
.footer-grid p { max-width: 330px; color: rgba(255,255,255,.62); }
.footer-grid h2 { margin: 0 0 15px; font-size: .78rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; }
.footer-grid a, .footer-grid span { margin: 4px 0; color: rgba(255,255,255,.72); text-decoration: none; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.45); font-size: .78rem; }
.mobile-call { display: none; }

.lightbox { width: min(94vw, 1120px); max-height: 92vh; padding: 0; border: 0; border-radius: 14px; background: var(--night); box-shadow: 0 25px 100px rgba(0,0,0,.7); }
.lightbox::backdrop { background: rgba(0,0,0,.84); backdrop-filter: blur(4px); }
.lightbox img { width: 100%; max-height: 90vh; object-fit: contain; }
.lightbox-close { position: absolute; z-index: 2; top: 12px; right: 12px; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: rgba(0,0,0,.7); color: var(--white); font-size: 1.7rem; line-height: 1; cursor: pointer; }

.legal-page, .error-page { min-height: 100vh; }
.legal-header { background: var(--night); }
.legal-header .container { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.legal-header .brand img { width: 42px; height: 58px; }
.legal-content { max-width: 840px; padding-block: 90px; }
.legal-content h1 { margin: 0 0 30px; font-size: clamp(2.4rem, 6vw, 4.8rem); line-height: .98; }
.legal-content h2 { margin-top: 38px; }
.legal-content p { color: var(--ink-soft); }
.legal-content a { font-weight: 750; }
.error-page { display: grid; place-items: center; background: var(--night); color: var(--white); text-align: center; }
.error-page main { display: grid; justify-items: center; padding: 40px; }
.error-page h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }

@media (max-width: 1020px) {
    .nav-toggle { display: block; }
    .primary-nav { position: fixed; inset: 92px 0 auto; display: none; align-items: stretch; padding: 22px 20px 30px; background: rgba(8,9,10,.98); border-top: 1px solid rgba(255,255,255,.12); }
    .primary-nav.is-open { display: grid; }
    .primary-nav > a { padding: 10px 4px; font-size: 1rem; }
    .primary-nav .button { margin-top: 8px; }
    .service-grid { grid-template-columns: 1fr 1fr; }
    .service-card { min-height: 360px; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { gap: 55px; }
    .estimate-layout { grid-template-columns: 1fr; }
    .estimate-intro { position: static; }
}

@media (max-width: 760px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 76px; }
    .brand img { width: 42px; height: 55px; }
    .brand-copy strong { font-size: .9rem; }
    .brand-copy span { font-size: .64rem; }
    .primary-nav { inset: 76px 0 auto; }
    .hero { min-height: 720px; }
    .hero-content { padding-block: 140px 125px; }
    .hero h1 { font-size: clamp(2.75rem, 14vw, 4.5rem); }
    .hero-overlay { background: linear-gradient(90deg, rgba(5,6,7,.94), rgba(5,6,7,.6)), linear-gradient(0deg, rgba(5,6,7,.75), transparent 55%); }
    .hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); }
    .hero-facts > div { min-width: 0; padding: 0 10px; }
    .hero-facts span { font-size: .64rem; }
    .service-area-ribbon .container { min-height: 68px; display: grid; gap: 1px; justify-content: start; align-content: center; font-size: .72rem; }
    .section { padding: 78px 0; }
    .split-heading { grid-template-columns: 1fr; gap: 20px; }
    .service-grid { grid-template-columns: 1fr; }
    .service-card { min-height: auto; }
    .service-card h3 { margin-top: 32px; }
    .project-grid { grid-template-columns: 1fr; grid-auto-rows: 270px; }
    .project-card, .project-card-wide, .project-card-tall { grid-column: auto; }
    .process-grid { grid-template-columns: 1fr; }
    .about-grid, .area-grid { grid-template-columns: 1fr; gap: 42px; }
    .about-visual { min-height: 390px; }
    .experience-seal { width: 170px; min-height: 150px; padding: 20px; }
    .experience-seal strong { font-size: 2.8rem; }
    .value-list > div { grid-template-columns: 1fr; gap: 4px; }
    .area-list { grid-template-columns: 1fr; }
    .area-list span { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.15) !important; }
    .area-list span:last-child { border-bottom: 0 !important; }
    .estimate-form { padding: 24px 18px; }
    .two-columns, .three-columns, .checkbox-grid { grid-template-columns: 1fr; }
    .checkbox-grid { grid-template-columns: 1fr 1fr; }
    .form-submit-row { align-items: stretch; flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; gap: 35px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
    .mobile-call { position: fixed; z-index: 900; right: 14px; bottom: 14px; display: inline-flex; min-height: 48px; align-items: center; padding: 10px 18px; border-radius: 999px; background: var(--accent); color: var(--night); box-shadow: 0 10px 35px rgba(0,0,0,.32); text-decoration: none; font-weight: 900; }
}

@media (max-width: 430px) {
    .hero-actions .button { width: 100%; }
    .hero-facts span { letter-spacing: .03em; }
    .checkbox-grid { grid-template-columns: 1fr; }
    .legal-header .brand-copy { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}