@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --ink: #131617;
  --ink-soft: #313232;
  --paper: #f0ece5;
  --white: #f8f5ef;
  --stone: #676056;
  --stone-light: #ddd8d0;
  --stone-pale: #e8e3db;
  --copper: #8d6e4f;
  --copper-dark: #735437;
  --line: rgba(19, 22, 23, .15);
  --shadow: 0 18px 45px rgba(20, 20, 18, .08);
  --radius: 10px;
  --font-display: "Manrope", Arial, sans-serif;
  --font-body: "DM Sans", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font-body); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body.modal-open, body.lightbox-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.shell { width: min(1380px, calc(100% - 72px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 9999; padding: 12px 18px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 20px; }
.eyebrow { margin: 0 0 20px; color: var(--copper-dark); font-size: .75rem; font-weight: 600; letter-spacing: .21em; text-transform: uppercase; }
.eyebrow-light { color: #c7a17f; }
h1, h2, h3 { font-family: var(--font-display); }
h1, h2 { margin: 0; font-weight: 500; letter-spacing: -.055em; line-height: .98; }
h1 em, h2 em { color: var(--copper); font-style: normal; }
h2 { font-size: clamp(2.3rem, 4.5vw, 4.9rem); }
.section { padding-block: 120px; }
.section-heading { margin-bottom: 62px; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .75s ease, transform .75s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; height: 94px; border-bottom: 1px solid transparent; background: rgba(240, 236, 229, .95); backdrop-filter: blur(12px); transition: border-color .2s, box-shadow .2s; }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 5px 25px rgba(20,20,18,.035); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { width: 220px; flex: 0 0 auto; }
.brand img { width: 100%; height: 68px; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: center; gap: 36px; font-size: .89rem; font-weight: 500; }
.main-nav > a { position: relative; padding: 14px 0; }
.main-nav > a::after { content: ""; position: absolute; right: 0; bottom: 7px; left: 0; height: 1px; background: var(--copper); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.main-nav > a:hover::after, .main-nav > a.active::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 0; background: transparent; }
.menu-toggle span { display: block; width: 24px; height: 1px; margin: 6px auto; background: var(--ink); transition: transform .25s; }
.btn { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 25px; border: 1px solid transparent; border-radius: 6px; cursor: pointer; font-size: .76rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-copper { border-color: var(--copper); background: var(--copper); color: #fff; }
.btn-copper:hover { border-color: var(--copper-dark); background: var(--copper-dark); }
.btn-outline { border-color: rgba(17,19,19,.35); background: transparent; }
.btn-outline:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-soft); }
.btn-light { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-light:hover { background: #fff; color: var(--ink); }
.btn-nav { min-height: 44px; padding-inline: 20px; }

/* Home hero */
.hero { position: relative; min-height: calc(100svh - 94px); display: grid; grid-template-columns: .93fr 1.07fr; align-items: center; gap: clamp(42px, 6vw, 105px); padding-block: 54px 74px; }
.hero-copy { max-width: 650px; }
.hero-kicker { margin: 0 0 28px; color: var(--copper-dark); font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.hero-logo-title { max-width: 570px; margin: 0 0 30px; }
.hero-logo-title img { width: 100%; height: auto; object-fit: contain; object-position: left center; }
.hero-intro { position: relative; max-width: 600px; padding: 24px 0 0 22px; border-top: 1px solid var(--line); color: #5b5c58; font-size: 1.04rem; line-height: 1.65; }
.hero-intro::before { content: ""; position: absolute; top: 24px; bottom: 3px; left: 0; width: 3px; border-radius: 2px; background: var(--copper); }
.hero-intro p { margin: 0 0 11px; }
.hero-intro .hero-location { margin-bottom: 14px; color: var(--ink); font-weight: 600; }
.hero-intro p:last-child { margin-bottom: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-intro + .hero-actions { margin-top: 31px; }
.hero-media { position: relative; height: min(74vh, 800px); min-height: 590px; margin: 0; overflow: hidden; border-radius: 2px 2px 2px 54px; background: var(--stone-light); box-shadow: 0 28px 65px rgba(20,20,18,.1); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 38%, rgba(10,12,11,.18) 60%, rgba(10,12,11,.82) 100%); pointer-events: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 52% center; transition: transform 1.2s ease; }
.hero-media:hover img { transform: scale(1.018); }
.hero-media figcaption { position: absolute; z-index: 1; right: 34px; bottom: 32px; left: 34px; display: flex; align-items: end; justify-content: space-between; gap: 20px; color: #fff; text-shadow: 0 2px 14px rgba(0,0,0,.72); }
.hero-media figcaption span { font-size: .76rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.hero-media figcaption strong { font-family: var(--font-display); font-size: 1.28rem; font-weight: 600; line-height: 1.2; }
.mineral-rule { height: 6px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(80px, .18fr) minmax(52px, .1fr); gap: 7px; }
.mineral-rule span { border-radius: 2px; background: var(--ink); }
.mineral-rule span:nth-child(2) { background: var(--copper); }
.mineral-rule span:nth-child(3) { background: var(--stone); }

/* Services */
.services-section { position: relative; }
.services-section::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 1px; background: var(--line); }
.services-heading { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: clamp(45px, 8vw, 120px); }
.services-heading > p { max-width: 430px; margin: 0 0 6px; color: #686a66; font-size: 1.06rem; line-height: 1.7; }
.services-editorial { display: grid; grid-template-columns: 1.05fr .95fr; align-items: start; gap: clamp(55px, 8vw, 130px); }
.service-visual { position: relative; min-height: 680px; }
.service-img-main { width: 82%; height: 610px; object-fit: cover; object-position: 43% center; border-radius: 2px 2px 40px 2px; }
.service-img-small { position: absolute; right: 0; bottom: 0; width: 45%; height: 270px; object-fit: cover; object-position: center 58%; border: 14px solid var(--paper); }
.service-visual-label { position: absolute; z-index: 2; bottom: 21px; left: 25px; padding: 9px 13px; border-left: 2px solid #c7a17f; background: rgba(19,22,23,.9); color: #fff; font-size: .67rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.service-list { margin: 0; padding: 18px 0 0; border-top: 3px solid var(--ink); list-style: none; }
.service-list li { position: relative; display: grid; grid-template-columns: 55px 1fr 24px; align-items: center; gap: 12px; min-height: 94px; border-bottom: 1px solid var(--line); transition: padding .25s ease, color .25s ease; }
.service-list li::after { content: ""; width: 6px; height: 6px; justify-self: end; border-top: 1px solid var(--copper); border-right: 1px solid var(--copper); transform: rotate(45deg); opacity: .7; }
.service-list li:hover { padding-left: 12px; color: var(--copper-dark); }
.service-list span { color: var(--copper-dark); font-size: .7rem; font-weight: 600; letter-spacing: .08em; }
.service-list strong { font-family: var(--font-display); font-size: clamp(1.08rem, 1.65vw, 1.5rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.24; }

/* Why */
.why-section { background: var(--ink); color: #fff; }
.why-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: clamp(70px, 10vw, 160px); }
.why-lead { align-self: center; }
.big-ten { display: flex; align-items: center; gap: 24px; margin: 20px 0 38px; color: #fff; font-family: var(--font-display); font-size: clamp(7rem, 13vw, 12rem); font-weight: 500; letter-spacing: -.09em; line-height: .8; }
.big-ten small { color: #c7c3bc; font-size: .82rem; font-weight: 500; letter-spacing: .14em; line-height: 1.5; text-transform: uppercase; }
.why-story { position: relative; padding: clamp(45px, 7vw, 90px) 0 clamp(45px, 7vw, 90px) clamp(38px, 6vw, 90px); border-left: 1px solid rgba(255,255,255,.17); }
.why-rule { display: block; width: 74px; height: 3px; margin-bottom: 46px; border-radius: 2px; background: var(--copper); }
.why-story h2 { max-width: 790px; font-size: clamp(2.7rem, 5vw, 5.8rem); }
.why-story p { max-width: 650px; margin: 34px 0 0; color: #b4b1aa; font-size: clamp(1rem, 1.35vw, 1.2rem); line-height: 1.75; }

/* Projects */
.text-link { display: inline-flex; align-items: center; gap: 12px; border: 0; background: none; cursor: pointer; color: var(--ink); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.text-link span { color: var(--copper); font-size: 1rem; }
.featured-projects { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 340px 340px; gap: 20px; }
.featured-projects .project-card:first-child { grid-row: span 2; }
.project-card { position: relative; min-height: 320px; overflow: hidden; border: 0; border-radius: 2px; background: var(--stone-light); cursor: pointer; text-align: left; }
.project-card::after { content: ""; position: absolute; inset: 18% 0 0; background: linear-gradient(180deg, rgba(9,10,10,0) 0%, rgba(9,10,10,.22) 30%, rgba(9,10,10,.86) 78%, rgba(9,10,10,.95) 100%); pointer-events: none; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s cubic-bezier(.2,.8,.2,1); }
.project-card:hover img { transform: scale(1.035); }
.project-card-content { position: absolute; z-index: 1; right: 26px; bottom: 25px; left: 26px; color: #fff; text-shadow: 0 2px 16px rgba(0,0,0,.82); }
.project-card-meta { width: fit-content; min-height: 27px; display: flex; align-items: center; margin: 0 0 10px; padding: 5px 9px 5px 8px; border-left: 2px solid #c39a74; border-radius: 0 3px 3px 0; background: rgba(9,10,10,.82); font-size: .72rem; font-weight: 700; letter-spacing: .13em; line-height: 1.15; text-transform: uppercase; text-shadow: none; }
.project-card h3 { max-width: 94%; margin: 0; font-size: clamp(1.4rem, 2.15vw, 2rem); font-weight: 600; letter-spacing: -.025em; line-height: 1.14; text-wrap: balance; }
.project-card-arrow { position: absolute; z-index: 2; top: 22px; right: 22px; display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.9); font-size: 1.05rem; transition: transform .2s; }
.project-card:hover .project-card-arrow { transform: rotate(45deg); }
.mobile-project-link { display: none; }

/* CTA and footer */
.final-cta { margin-bottom: 120px; padding: 70px clamp(30px, 6vw, 90px); display: flex; align-items: center; justify-content: space-between; gap: 50px; border-radius: var(--radius); background: var(--ink); color: #fff; }
.final-cta h2 { font-size: clamp(2.2rem, 4vw, 4.2rem); }
.final-cta p:not(.eyebrow) { margin: 18px 0 0; color: #aaa9a5; }
.final-actions { display: flex; flex: 0 0 auto; gap: 12px; }
.site-footer { padding: 70px 0 20px; border-top: 1px solid var(--line); background: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 60px; padding-bottom: 60px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-grid img { width: 215px; margin-bottom: 15px; }
.footer-grid p { margin: 0; color: #6b6d69; }
.footer-label { margin-bottom: 12px !important; color: var(--copper-dark) !important; font-size: .69rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.footer-grid a, .footer-grid span, .footer-grid button { border: 0; background: none; font-size: .9rem; text-align: left; }
.footer-grid button { padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--line); color: #888985; font-size: .75rem; }
.mobile-bar { display: none; }

/* Inner pages */
.page-hero { min-height: 510px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 90px; padding-block: 95px 85px; border-bottom: 1px solid var(--line); }
.page-hero h1, .contact-card h1 { font-size: clamp(3.5rem, 7vw, 7.4rem); }
.page-hero-copy { max-width: 520px; padding-bottom: 9px; color: #5e605d; font-size: 1.08rem; }
.demo-note { margin-top: 30px; padding-left: 18px; border-left: 2px solid var(--copper); color: #858681; font-size: .78rem; }
.projects-section { padding-block: 42px 130px; }
.filters { position: sticky; top: 93px; z-index: 20; display: flex; gap: 9px; padding: 15px 0 17px; overflow-x: auto; background: rgba(240,236,229,.95); scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filters button { flex: 0 0 auto; min-height: 40px; padding: 0 18px; border: 1px solid var(--line); border-radius: 100px; background: transparent; cursor: pointer; font-size: .77rem; }
.filters button:hover, .filters button.active { border-color: var(--ink); background: var(--ink); color: #fff; }
.projects-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 52px; gap: 20px; margin-top: 30px; }
.projects-grid .project-card { grid-column: span 6; grid-row: span 9; min-height: 0; }
.projects-grid .project-card:nth-child(3n+1) { grid-column: span 7; grid-row: span 11; }
.projects-grid .project-card:nth-child(3n+2) { grid-column: span 5; grid-row: span 8; }
.projects-grid .project-card.hidden { display: none; }

/* Lightbox */
.lightbox { position: fixed; z-index: 500; inset: 0; display: grid; grid-template-columns: 86px minmax(0, 1fr) minmax(300px, 380px) 86px; align-items: center; padding: 34px 0; background: rgba(12,13,13,.98); color: #fff; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-close { position: absolute; z-index: 2; top: 20px; right: 24px; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: transparent; color: #fff; cursor: pointer; font-size: 1.8rem; line-height: 1; }
.lightbox-arrow { display: grid; width: 48px; height: 48px; margin: auto; place-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; background: transparent; color: #fff; cursor: pointer; font-size: 1.1rem; }
.lightbox-prev { grid-column: 1; grid-row: 1; }
.lightbox-stage { grid-column: 2; grid-row: 1; }
.lightbox-info { grid-column: 3; grid-row: 1; }
.lightbox-next { grid-column: 4; grid-row: 1; }
.lightbox-stage { position: relative; height: min(78vh, 860px); overflow: hidden; background: #1d1e1e; }
.lightbox-stage img { width: 100%; height: 100%; object-fit: contain; }
.lightbox-counter { position: absolute; right: 17px; bottom: 15px; padding: 7px 11px; background: rgba(0,0,0,.55); font-size: .72rem; letter-spacing: .12em; }
.lightbox-info { padding: 40px; }
.lightbox-meta { color: #d0a680; font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.lightbox-info h2 { margin: 16px 0 24px; font-size: clamp(2rem, 3.5vw, 3.9rem); font-weight: 600; line-height: 1.04; }
.lightbox-description { color: #d4d2cd; font-size: 1rem; line-height: 1.65; }
.lightbox-quote { margin-top: 34px; color: #fff; }

/* Contact */
.contact-hero { min-height: calc(100svh - 94px); display: grid; grid-template-columns: .92fr 1.08fr; gap: 80px; align-items: stretch; padding-block: 60px 90px; }
.contact-card { align-self: center; }
.contact-identity { display: flex; flex-direction: column; align-items: flex-start; margin: 35px 0; color: #646663; }
.contact-identity strong { margin-bottom: 6px; color: var(--ink); font-size: 1.15rem; }
.contact-identity a { margin-top: 12px; color: var(--copper-dark); font-family: var(--font-display); font-size: 1.45rem; font-weight: 600; }
.contact-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: 530px; }
.contact-image { position: relative; min-height: 680px; margin: 0; overflow: hidden; border-radius: 0 0 0 48px; }
.contact-image img { width: 100%; height: 100%; object-fit: cover; }
.contact-image::after { content: ""; position: absolute; inset: 32% 0 0; background: linear-gradient(transparent, rgba(10,10,9,.82)); }
.contact-image figcaption { position: absolute; z-index: 1; right: 30px; bottom: 28px; left: 30px; color: #fff; font-family: var(--font-display); font-size: 1.22rem; font-weight: 600; line-height: 1.25; text-shadow: 0 2px 14px rgba(0,0,0,.78); }
.contact-details { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; border-top: 1px solid var(--line); }
.contact-details > div:first-child p:not(.eyebrow) { max-width: 620px; color: #656763; }
.area-list { display: grid; grid-template-columns: 1fr 1fr; align-content: center; }
.area-list span { padding: 18px 8px; border-bottom: 1px solid var(--line); font-family: var(--font-display); font-weight: 500; }
.social-section { padding-block: 110px; background: var(--ink); color: #fff; }
.social-links { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.social-links a { min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 28px; border-right: 1px solid rgba(255,255,255,.18); font-family: var(--font-display); font-size: 1.05rem; transition: background-color .25s ease; }
.social-links a:only-child { grid-column: 1 / -1; }
.social-links a:last-child { border-right: 0; }
.social-link-main { min-width: 0; display: flex; align-items: center; gap: 17px; }
.social-icon { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border: 1px solid rgba(169,131,98,.7); border-radius: 10px; color: #c39b77; background: rgba(169,131,98,.08); transition: color .25s ease, background-color .25s ease, transform .25s ease; }
.social-icon svg { width: 21px; height: 21px; fill: currentColor; }
.social-label { color: #fff; }
.social-link-arrow { color: #a98362; font-size: 1.1rem; transition: transform .25s ease; }
.social-links a:hover { background: rgba(255,255,255,.035); }
.social-links a:hover .social-icon { color: var(--ink); background: #a98362; transform: translateY(-2px); }
.social-links a:hover .social-link-arrow { transform: translate(3px,-3px); }
.social-links a:focus-visible { outline: 2px solid #b38b67; outline-offset: -4px; }
.social-links a.is-empty { color: #767774; cursor: default; }

/* Quote modal */
.quote-modal { position: fixed; z-index: 600; inset: 0; display: grid; place-items: center; padding: 26px; background: rgba(13,14,14,.76); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.quote-modal.open { opacity: 1; visibility: visible; }
.quote-panel { width: min(920px, 100%); max-height: calc(100svh - 52px); display: flex; flex-direction: column; overflow: hidden; border-radius: 12px; background: var(--white); box-shadow: var(--shadow); }
.quote-top { display: flex; align-items: center; justify-content: space-between; padding: 23px 30px; border-bottom: 1px solid var(--line); }
.quote-brand { display: flex; align-items: center; gap: 16px; }
.quote-brand img { width: 135px; }
.quote-brand span { padding-left: 16px; border-left: 1px solid var(--line); color: #777975; font-size: .73rem; }
.quote-close { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; font-size: 1.4rem; }
.quote-progress { height: 3px; background: var(--stone-light); }
.quote-progress span { display: block; width: 12.5%; height: 100%; background: var(--copper); transition: width .3s; }
.quote-body { min-height: 500px; padding: 38px 48px 20px; overflow-y: auto; }
.step-count { margin: 0 0 10px; color: var(--copper-dark); font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.quote-step h2 { margin-bottom: 8px; font-size: clamp(2rem, 4vw, 3.4rem); }
.step-help { margin: 0 0 28px; color: #777975; font-size: .92rem; }
.fields-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label, .field-title { color: #4b4d4a; font-size: .8rem; font-weight: 600; }
.field input, .field textarea { width: 100%; min-height: 52px; padding: 12px 14px; border: 1px solid #cdcbc5; border-radius: 5px; outline: none; background: #fff; transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--copper); box-shadow: 0 0 0 3px rgba(141,110,79,.12); }
.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.option-card { position: relative; }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-card label { min-height: 59px; display: flex; align-items: center; padding: 14px 17px 14px 50px; border: 1px solid #d1cfc9; border-radius: 6px; background: #fff; cursor: pointer; font-size: .91rem; }
.option-card label::before { content: ""; position: absolute; left: 17px; width: 18px; height: 18px; border: 1px solid #aaa9a5; border-radius: 50%; }
.option-card input[type="checkbox"] + label::before { border-radius: 3px; }
.option-card input:checked + label { border-color: var(--copper); background: #f4eee8; }
.option-card input:checked + label::before { border: 5px solid var(--copper); background: #fff; }
.option-card input[type="checkbox"]:checked + label::before { border: 0; background: var(--copper); box-shadow: inset 0 0 0 5px #f4eee8; }
.situation-block + .situation-block { margin-top: 28px; }
.upload-zone { position: relative; min-height: 180px; display: grid; place-items: center; padding: 30px; border: 1px dashed #aaa9a5; border-radius: 8px; background: var(--stone-pale); text-align: center; }
.upload-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-zone strong { display: block; margin-bottom: 6px; font-family: var(--font-display); font-size: 1.1rem; }
.upload-zone span { color: #747673; font-size: .8rem; }
.photo-previews { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.photo-preview { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 5px; background: var(--stone-light); }
.photo-preview img { width: 100%; height: 100%; object-fit: cover; }
.photo-preview button { position: absolute; top: 6px; right: 6px; width: 28px; height: 28px; border: 0; border-radius: 50%; background: rgba(17,19,19,.82); color: #fff; cursor: pointer; }
.summary { margin-top: 25px; padding: 22px; border: 1px solid var(--line); border-radius: 7px; background: var(--stone-pale); }
.summary h3 { margin: 0 0 15px; font-size: 1rem; }
.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 20px; font-size: .8rem; }
.summary-grid div { padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.summary-grid span { display: block; color: #81827e; font-size: .69rem; text-transform: uppercase; }
.quote-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 48px 28px; background: var(--white); }
.quote-footer .btn { min-width: 135px; }
.quote-back { visibility: hidden; }
.quote-error { min-height: 22px; margin: 0; color: #a43c32; font-size: .8rem; text-align: center; }
.quote-success { min-height: 470px; display: grid; place-items: center; padding: 70px 40px; text-align: center; }
.success-mark { display: grid; width: 74px; height: 74px; margin: 0 auto 25px; place-items: center; border: 1px solid var(--copper); border-radius: 50%; color: var(--copper); font-size: 2rem; }
.quote-success h2 { font-size: clamp(2.2rem, 5vw, 4.1rem); }
.quote-success p { max-width: 620px; margin: 22px auto 0; color: #666864; }
.quote-success .btn { margin-top: 28px; }
.quote-success .quote-success-close { margin-left: 8px; }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0 !important; }

@media (max-width: 1100px) {
  .shell { width: min(100% - 44px, 1380px); }
  .main-nav { gap: 23px; }
  .hero { grid-template-columns: 1fr 1fr; gap: 45px; }
  .hero-media { min-height: 520px; }
  .services-editorial { gap: 60px; }
  .why-grid { gap: 70px; }
  .lightbox { grid-template-columns: 68px 1fr 310px 68px; }
  .lightbox-info { padding: 26px; }
  .contact-hero { gap: 50px; }
}

@media (max-width: 820px) {
  body { padding-bottom: 58px; }
  .shell { width: calc(100% - 34px); }
  .section { padding-block: 78px; }
  .site-header { height: 76px; }
  .brand { width: 170px; }
  .brand img { height: 56px; }
  .menu-toggle { position: relative; z-index: 2; display: block; }
  .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); }
  .main-nav { position: fixed; inset: 76px 0 auto; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 20px 17px 28px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: all .25s; }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav > a { padding: 15px 8px; border-bottom: 1px solid var(--line); font-family: var(--font-display); font-size: 1.05rem; }
  .main-nav > a::after { display: none; }
  .btn-nav { margin-top: 20px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 42px; padding-block: 54px 65px; }
  .hero-kicker { display: block; }
  .hero-logo-title { max-width: 610px; margin-bottom: 32px; }
  .hero-intro { max-width: 680px; }
  .hero-media { height: 68svh; min-height: 500px; border-radius: 0 0 0 30px; }
  .hero-copy { max-width: none; }
  .hero-actions .btn { flex: 1 1 220px; }
  .section-heading { margin-bottom: 42px; }
  .services-heading { grid-template-columns: 1fr; gap: 24px; }
  .services-heading > p { max-width: 620px; }
  .services-editorial { grid-template-columns: 1fr; }
  .service-visual { min-height: 510px; }
  .service-img-main { width: 88%; height: 455px; }
  .service-img-small { width: 45%; height: 200px; }
  .why-grid { grid-template-columns: 1fr; gap: 60px; }
  .big-ten { font-size: 9rem; }
  .why-story { padding: 50px 0 0; border-top: 1px solid rgba(255,255,255,.17); border-left: 0; }
  .section-heading-row { align-items: start; }
  .featured-projects { grid-template-columns: 1fr; grid-template-rows: none; }
  .featured-projects .project-card, .featured-projects .project-card:first-child { grid-row: auto; min-height: 460px; }
  .desktop-link { display: none; }
  .mobile-project-link { display: flex; margin-top: 20px; }
  .final-cta { margin-bottom: 80px; flex-direction: column; align-items: stretch; padding: 50px 30px; }
  .final-actions { flex-wrap: wrap; }
  .final-actions .btn { flex: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .mobile-bar { position: fixed; z-index: 95; right: 10px; bottom: 8px; left: 10px; display: grid; grid-template-columns: 1fr 1fr; min-height: 50px; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 7px; background: rgba(17,19,19,.96); box-shadow: 0 8px 28px rgba(0,0,0,.24); }
  .mobile-bar a, .mobile-bar button { display: grid; place-items: center; border: 0; background: transparent; color: #fff; font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
  .mobile-bar button { border-left: 1px solid rgba(255,255,255,.19); color: #d7b291; }
  .page-hero { min-height: 480px; grid-template-columns: 1fr; align-content: end; gap: 38px; padding-block: 70px 60px; }
  .page-hero h1 { font-size: clamp(3.2rem, 13vw, 6rem); }
  .filters { top: 75px; }
  .projects-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
  .projects-grid .project-card, .projects-grid .project-card:nth-child(3n+1), .projects-grid .project-card:nth-child(3n+2) { grid-column: auto; grid-row: auto; min-height: 470px; }
  .lightbox { display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr auto; padding: 0; }
  .lightbox-stage { height: 65svh; }
  .lightbox-stage { grid-column: 1; grid-row: 1; }
  .lightbox-info { grid-column: 1; grid-row: 2; max-height: 35svh; padding: 20px 24px 25px; overflow-y: auto; }
  .lightbox-info h2 { margin: 8px 0 10px; font-size: 1.8rem; }
  .lightbox-description { margin: 0; font-size: .85rem; }
  .lightbox-arrow { position: absolute; z-index: 3; top: 31svh; }
  .lightbox-prev { left: 12px; grid-column: 1; }
  .lightbox-next { right: 12px; grid-column: 1; }
  .lightbox-close { top: 12px; right: 12px; background: rgba(0,0,0,.5); }
  .lightbox-quote { margin-top: 14px; }
  .contact-hero { min-height: auto; grid-template-columns: 1fr; padding-block: 60px 75px; }
  .contact-card h1 { font-size: clamp(3.5rem, 15vw, 6rem); }
  .contact-image { min-height: 600px; }
  .contact-details { grid-template-columns: 1fr; gap: 50px; }
  .social-links { grid-template-columns: 1fr 1fr; }
  .social-links a:nth-child(2) { border-right: 0; }
  .social-links a:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
  .quote-modal { padding: 0; }
  .quote-panel { height: 100svh; max-height: none; border-radius: 0; }
  .quote-body { min-height: 0; padding: 28px 26px 15px; }
  .quote-footer { padding: 15px 26px 22px; }
}

@media (max-width: 560px) {
  h2 { font-size: clamp(2.25rem, 11vw, 3.35rem); }
  .eyebrow { margin-bottom: 15px; }
  .hero { padding-top: 40px; }
  .hero-kicker { display: none; }
  .hero-logo-title { margin-bottom: 22px; }
  .hero-intro { padding: 20px 0 0 16px; font-size: .97rem; line-height: 1.58; }
  .hero-intro::before { top: 20px; }
  .hero-intro .hero-location { margin-bottom: 15px; }
  .hero-intro + .hero-actions { margin-top: 25px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-media { height: 64svh; min-height: 450px; margin-inline: -17px; border-radius: 0; }
  .hero-media figcaption { right: 20px; bottom: 20px; left: 20px; flex-direction: column; align-items: flex-start; gap: 4px; }
  .hero-media figcaption span { font-size: .7rem; }
  .hero-media figcaption strong { display: block; font-size: 1.08rem; }
  .service-visual { min-height: 420px; }
  .service-img-main { height: 385px; }
  .service-img-small { height: 155px; border-width: 8px; }
  .service-visual-label { bottom: 15px; left: 15px; }
  .services-heading { margin-bottom: 34px; gap: 16px; }
  .services-heading h2 { font-size: clamp(2.05rem, 9.5vw, 2.85rem); line-height: 1.01; }
  .service-list { padding-top: 8px; }
  .service-list li { grid-template-columns: 38px 1fr 16px; min-height: 78px; gap: 8px; }
  .service-list strong { font-size: 1.06rem; }
  .services-heading > p { font-size: 1rem; line-height: 1.6; }
  .big-ten { font-size: 7.5rem; }
  .why-story { padding-top: 38px; }
  .why-rule { margin-bottom: 30px; }
  .why-story h2 { font-size: clamp(2.45rem, 12vw, 3.5rem); }
  .why-story p { margin-top: 24px; font-size: .96rem; }
  .featured-projects .project-card, .featured-projects .project-card:first-child { min-height: 380px; }
  .project-card-content { right: 20px; bottom: 20px; left: 20px; }
  .project-card-meta { font-size: .69rem; }
  .project-card h3 { font-size: 1.48rem; }
  .final-actions { display: grid; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 5px; }
  .projects-section { padding-top: 22px; }
  .projects-grid { grid-template-columns: 1fr; gap: 14px; }
  .projects-grid .project-card, .projects-grid .project-card:nth-child(3n+1), .projects-grid .project-card:nth-child(3n+2) { min-height: 420px; }
  .contact-actions { grid-template-columns: 1fr; }
  .contact-image { min-height: 480px; margin-inline: -17px; border-radius: 0; }
  .area-list { grid-template-columns: 1fr; }
  .social-links { grid-template-columns: 1fr; }
  .social-links a { min-height: 96px; padding: 18px 20px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .social-icon { width: 44px; height: 44px; flex-basis: 44px; }
  .social-icon svg { width: 19px; height: 19px; }
  .social-links a:last-child { border-bottom: 0; }
  .quote-top { padding: 16px 18px; }
  .quote-brand img { width: 115px; }
  .quote-brand span { display: none; }
  .quote-body { padding: 24px 18px 12px; }
  .quote-step h2 { font-size: 2.15rem; }
  .fields-grid, .option-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .option-card label { min-height: 53px; }
  .photo-previews { grid-template-columns: repeat(3, 1fr); }
  .summary-grid { grid-template-columns: 1fr; }
  .quote-success { padding: 45px 20px; }
  .quote-success .btn { width: 100%; margin-top: 12px; }
  .quote-success .quote-success-close { margin-left: 0; }
  .quote-footer { padding: 12px 18px 17px; }
  .quote-footer .btn { min-width: 105px; padding-inline: 14px; }
  .quote-error { font-size: .72rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Garde tous les états inactifs réellement invisibles, même si leur composant définit display. */
[hidden] { display: none !important; }