:root {
  --paper: #fbfaf7;
  --paper-deep: #f1ede5;
  --ink: #0b234b;
  --muted: #687181;
  --line: rgba(11, 35, 75, .16);
  --dark: #0b234b;
  --dark-muted: #c4cad4;
  --lime: #c28b3e;
  --terracotta: #d6a15e;
  --blue: #183b6b;
  --max: 1400px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'DM Sans', Arial, sans-serif; font-size: 16px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20; padding: 10px 14px; background: var(--lime); color: var(--ink); font-weight: 700; transition: top .2s ease; }
.skip-link:focus { top: 16px; }
.site-shell { overflow: hidden; }
.section-pad { padding-left: clamp(24px, 6vw, 96px); padding-right: clamp(24px, 6vw, 96px); }
.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; max-width: var(--max); margin: auto; padding: 27px clamp(24px, 6vw, 96px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 700; letter-spacing: -.04em; }
.brand-symbol { position: relative; display: inline-flex; width: 22px; height: 22px; gap: 3px; align-items: flex-end; transform: skew(-12deg); }
.brand-symbol i { display: block; width: 5px; background: var(--lime); }
.brand-symbol i:nth-child(1) { height: 12px; }
.brand-symbol i:nth-child(2) { height: 17px; }
.brand-symbol i:nth-child(3) { height: 22px; }
.main-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); font-size: 13px; font-weight: 600; }
.main-nav > a:not(.nav-contact) { color: #444a52; transition: color .2s ease; }
.main-nav > a:not(.nav-contact):hover { color: var(--ink); }
.nav-contact { display: inline-flex; align-items: center; gap: 13px; padding: 10px 14px; border: 1px solid var(--ink); }
.nav-contact span, .button span, .text-link span { font-size: 17px; line-height: 1; }
.menu-toggle { display: none; border: 0; background: transparent; align-items: center; gap: 5px; padding: 8px 0; color: var(--ink); }
.menu-toggle > span { width: 20px; height: 1px; background: currentColor; display: block; }
.menu-toggle b { display: none; font-size: 12px; margin-left: 6px; }
.hero { position: relative; min-height: 770px; max-width: var(--max); margin: auto; padding-top: 170px; padding-bottom: 38px; display: flex; flex-direction: column; justify-content: space-between; }
.hero-kicker { display: flex; align-items: center; gap: 12px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: #60645e; }
.eyebrow-line { width: 34px; height: 1px; background: currentColor; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 46px; align-items: center; }
.hero-copy { padding-top: 36px; text-align: center; }
.overline { margin: 0 0 23px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: #787c75; }
.hero h1 { max-width: 1180px; margin: 0 auto; font-family: 'Space Grotesk', sans-serif; font-size: clamp(50px, 5.5vw, 88px); font-weight: 500; line-height: .93; letter-spacing: -.085em; }
h1 em, h2 em { color: var(--muted); font-style: normal; }
.hero-intro { max-width: 620px; margin: 30px auto 0; font-size: 18px; line-height: 1.45; color: #565c5b; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 25px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; padding: 16px 18px; border: 0; font-size: 13px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: #263348; }
.text-link { display: inline-flex; align-items: center; gap: 9px; padding-bottom: 4px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 600; }
.hero-art { position: relative; max-width: 680px; margin: 0 auto; padding: 0 12px; width: 100%; }
.art-topline, .art-bottomline { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: #7b7e78; }
.art-frame { position: relative; height: 425px; margin: 15px 0 12px; overflow: hidden; background: #fff; border: 1px solid var(--line); }
.hero-footer { display: flex; align-items: center; justify-content: space-between; color: #858880; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.scroll-line { display: block; flex: 0 1 190px; height: 1px; background: var(--line); margin: 0 20px; }
.section-dark { background: var(--dark); color: white; }
.expertise { max-width: var(--max); margin: auto; padding-top: 130px; padding-bottom: 130px; }
.section-heading h2 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(46px, 6vw, 84px); font-weight: 500; letter-spacing: -.08em; line-height: .95; }
.section-dark .overline { color: #93988d; }
.expertise-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; margin-top: 98px; }
.section-lead { max-width: 440px; margin: 0; color: #d0d1ca; font-size: 21px; line-height: 1.35; }
.stat-list { border-top: 1px solid rgba(255,255,255,.25); }
.stat { display: flex; gap: 40px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.stat strong { color: var(--lime); font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 500; }
.stat span { color: #e2e2dc; font-size: 16px; line-height: 1.35; }
.services { max-width: var(--max); margin: auto; padding-top: 140px; padding-bottom: 140px; }
.services-heading { margin-bottom: 78px; }
.service-list { border-top: 1px solid var(--line); }
.service-card { display: grid; grid-template-columns: 70px minmax(0, 1fr) 240px 56px; gap: 30px; align-items: start; padding: 30px 0 35px; border-bottom: 1px solid var(--line); transition: padding .25s ease, background .25s ease; }
.service-card:hover { padding-left: 18px; padding-right: 18px; background: var(--paper-deep); }
.service-number { color: #858880; font-size: 12px; }
.service-card h3 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(31px, 4vw, 52px); font-weight: 500; letter-spacing: -.06em; line-height: 1; }
.service-card p { max-width: 480px; margin: 14px 0 19px; color: #686d68; font-size: 15px; }
.service-card a { display: inline-flex; gap: 8px; border-bottom: 1px solid var(--ink); padding-bottom: 3px; font-size: 12px; font-weight: 700; }
.service-arrow { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: 19px; transition: background .2s ease, color .2s ease; }
.service-card:hover .service-arrow { background: var(--ink); color: white; }
.service-image { width: 100%; height: 150px; object-fit: cover; border: 1px solid var(--line); filter: saturate(.82); }
.projects { max-width: var(--max); margin: auto; padding-top: 60px; padding-bottom: 140px; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 76px; }
.split-heading > p { max-width: 260px; margin: 0 0 5px; color: #6b706a; font-size: 14px; line-height: 1.45; }
.project-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: 66px 36px; align-items: start; }
.project-card:nth-child(3) { grid-column: 2; }
.project-large { grid-row: span 2; }
.project-visual { position: relative; height: 380px; overflow: hidden; }
.project-large .project-visual { height: 590px; }
.visual-terracotta { background: var(--terracotta); }
.visual-blue { background: var(--blue); }
.visual-lime { background: var(--lime); }
.visual-caption { position: absolute; top: 20px; left: 22px; z-index: 2; color: rgba(255,255,255,.75); font-size: 10px; letter-spacing: .13em; line-height: 1.4; }
.visual-lime .visual-caption { color: rgba(17,24,39,.7); }
.visual-index { position: absolute; bottom: 18px; right: 21px; z-index: 2; color: rgba(255,255,255,.75); font-family: 'Space Grotesk', sans-serif; font-size: 14px; }
.visual-lime .visual-index { color: rgba(17,24,39,.7); }
.visual-shape { position: absolute; }
.shape-arch { right: -4%; bottom: -10%; width: 72%; height: 82%; border: 27px solid rgba(255,235,213,.78); border-bottom: 0; border-radius: 300px 300px 0 0; }
.shape-stair { left: 12%; bottom: 16%; width: 48%; height: 1px; background: rgba(17,24,39,.55); transform: rotate(-28deg); box-shadow: 0 18px rgba(17,24,39,.55), 0 36px rgba(17,24,39,.55), 0 54px rgba(17,24,39,.55), 0 72px rgba(17,24,39,.55); }
.shape-window { right: 12%; top: 14%; width: 61%; height: 90%; border: 17px solid rgba(218,232,255,.72); transform: rotate(24deg); }
.shape-circle { left: 13%; bottom: 12%; width: 130px; height: 130px; border-radius: 50%; background: #b7cdf5; mix-blend-mode: screen; }
.shape-stack { left: 17%; bottom: 13%; width: 55%; height: 58%; background: var(--ink); transform: rotate(-18deg) skewY(8deg); box-shadow: 28px -22px 0 #547011, 53px -43px 0 rgba(17,24,39,.45); }
.shape-line { right: 15%; top: 25%; width: 1px; height: 115%; background: rgba(17,24,39,.56); transform: rotate(35deg); }
.project-meta { display: flex; justify-content: space-between; gap: 20px; margin-top: 18px; }
.project-meta span { color: #777b75; font-size: 11px; }
.project-meta h3 { max-width: 320px; margin: 6px 0 0; font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 500; letter-spacing: -.05em; line-height: 1; }
.project-year { padding-top: 23px; white-space: nowrap; }
.quote-section { max-width: var(--max); margin: auto; padding-top: 125px; padding-bottom: 125px; }
.quote-mark { margin: 0; color: var(--lime); font-family: Georgia, serif; font-size: 100px; line-height: .5; }
blockquote { max-width: 900px; margin: 65px 0 52px 10%; font-family: 'Space Grotesk', sans-serif; font-size: clamp(36px, 5vw, 70px); font-weight: 400; letter-spacing: -.065em; line-height: .98; }
.quote-author { display: flex; align-items: center; gap: 14px; margin-left: 10%; color: var(--dark-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.quote-line { width: 40px; height: 1px; background: var(--lime); }
.contact { max-width: var(--max); margin: auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 14%; padding-top: 140px; padding-bottom: 140px; }
.contact-intro h2 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(62px, 8vw, 112px); font-weight: 500; letter-spacing: -.1em; line-height: .83; }
.contact-intro > p:not(.overline) { max-width: 320px; margin: 38px 0 0; color: #676d67; font-size: 16px; }
.contact-details { display: flex; flex-direction: column; gap: 7px; margin-top: 55px; color: #676d67; font-size: 13px; }
.contact-details a { color: var(--ink); border-bottom: 1px solid var(--ink); width: fit-content; font-weight: 700; }
.contact-form { border-top: 1px solid var(--ink); padding-top: 25px; }
.contact-form label { display: block; margin-bottom: 25px; }
.contact-form label > span { display: block; margin-bottom: 8px; color: #777b75; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 7px 0 13px; outline: none; background: transparent; color: var(--ink); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-bottom-color: var(--ink); }
.contact-form textarea { resize: vertical; min-height: 82px; }
.contact-form select { appearance: none; background: linear-gradient(45deg, transparent 50%, var(--ink) 50%) calc(100% - 8px) 50% / 6px 6px no-repeat, linear-gradient(135deg, var(--ink) 50%, transparent 50%) 100% 50% / 6px 6px no-repeat; }
.form-button { margin-top: 5px; min-width: 220px; }
.form-note, .form-success { color: #7e827c; font-size: 11px; }
.form-success { padding: 12px 14px; background: var(--lime); color: var(--ink); font-weight: 600; }
.site-footer { max-width: var(--max); margin: auto; padding-top: 28px; padding-bottom: 34px; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.footer-top p { margin: 0; color: #6d726c; font-size: 13px; line-height: 1.35; }
.footer-tagline { display: block; width: 100%; margin: 42px auto 0; color: var(--lime); font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px, 3.6vw, 52px); font-weight: 500; letter-spacing: -.06em; line-height: .98; text-align: center; }
.back-top { font-size: 12px; font-weight: 700; }
.back-top span { margin-left: 12px; font-size: 18px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 95px; color: #858981; font-size: 10px; letter-spacing: .05em; }
.footer-bottom a { color: var(--ink); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }
@media (max-width: 850px) {
  .site-header { padding-top: 20px; }
  .menu-toggle { display: flex; flex-wrap: wrap; width: 76px; }
  .menu-toggle b { display: block; }
  .main-nav { position: absolute; top: 70px; left: 24px; right: 24px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(17,24,39,.08); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 11px 6px; }
  .nav-contact { justify-content: space-between; margin-top: 7px; }
  .hero { min-height: auto; padding-top: 130px; }
  .hero-grid, .expertise-layout, .contact { grid-template-columns: 1fr; }
  .hero-grid { gap: 60px; }
  .hero-copy { padding-top: 0; }
  .hero-art { max-width: none; }
  .expertise-layout { gap: 50px; margin-top: 60px; }
  .services, .projects, .contact { padding-top: 95px; padding-bottom: 95px; }
  .split-heading { display: block; }
  .split-heading > p { margin-top: 26px; }
  .project-grid { grid-template-columns: 1fr; gap: 54px; }
  .project-card:nth-child(3) { grid-column: auto; }
  .project-large { grid-row: auto; }
  .project-visual, .project-large .project-visual { height: min(78vw, 520px); }
  .contact { gap: 65px; }
  .footer-bottom { margin-top: 65px; flex-wrap: wrap; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: clamp(48px, 15vw, 74px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-footer { gap: 13px; font-size: 9px; }
  .hero-footer > span:last-child { display: none; }
  .scroll-line { margin: 0; }
  .art-frame { height: 330px; }
  .service-card { grid-template-columns: 34px 1fr; gap: 15px; }
  .service-image { grid-column: 2; width: 100%; height: 180px; margin-top: 6px; }
  .service-arrow { grid-column: 2; }
  .service-card:hover { padding-left: 8px; padding-right: 8px; }
  .stat { gap: 20px; }
  .stat span { font-size: 14px; }
  .project-meta h3 { font-size: 19px; }
  blockquote, .quote-author { margin-left: 0; }
  .quote-section { padding-top: 90px; padding-bottom: 90px; }
  .contact-intro h2 { font-size: 70px; }
  .footer-top { flex-wrap: wrap; }
  .footer-tagline { margin-top: 28px; font-size: 31px; text-align: center; }
}

/* Présentation de Manuela et contenus à personnaliser */
.brand-name small { display: inline-block; margin-left: 4px; color: #777b75; font-family: 'DM Sans', Arial, sans-serif; font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.about { max-width: var(--max); margin: auto; display: grid; grid-template-columns: minmax(280px, .85fr) minmax(0, 1fr); gap: clamp(55px, 10vw, 150px); align-items: center; padding-top: 135px; padding-bottom: 135px; }
.about-visual { max-width: 420px; }
.portrait-placeholder { position: relative; display: flex; min-height: 460px; align-items: flex-end; justify-content: space-between; overflow: hidden; padding: 25px; background: var(--paper-deep); border: 1px solid var(--line); }
.portrait-placeholder::before { content: ''; position: absolute; inset: 12% 14%; border: 1px solid rgba(17,24,39,.24); border-radius: 50% 50% 0 0; }
.portrait-placeholder::after { content: ''; position: absolute; left: 18%; right: 18%; bottom: 13%; height: 1px; background: var(--ink); transform: rotate(-8deg); box-shadow: 0 -26px 0 rgba(17,24,39,.2), 0 -52px 0 rgba(17,24,39,.12); }
.portrait-placeholder span { position: relative; z-index: 1; color: #777b75; font-size: 12px; line-height: 1.35; }
.portrait-placeholder strong { position: relative; z-index: 1; color: var(--ink); font-family: 'Space Grotesk', sans-serif; font-size: 12px; letter-spacing: .12em; }
.visual-note { margin: 12px 0 0; color: #7b8079; font-size: 11px; line-height: 1.4; }
.about-copy h2 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(47px, 6vw, 82px); font-weight: 500; letter-spacing: -.08em; line-height: .95; }
.about-copy > p:not(.overline) { max-width: 510px; color: #686d68; font-size: 17px; line-height: 1.45; }
.about-copy > p:nth-of-type(2) { margin-top: 22px; }
.about-copy .text-link { margin-top: 24px; }
.detail-placeholder { color: #8a8d87; font-style: italic; }
@media (max-width: 850px) {
  .about { grid-template-columns: 1fr; padding-top: 95px; padding-bottom: 95px; }
  .about-visual { max-width: none; }
  .portrait-placeholder { min-height: min(115vw, 500px); }
}

/* Logo officiel Structura by Manuela */
.brand { gap: 0; }
.brand-logo { display: block; width: 68px; height: 68px; object-fit: contain; object-position: center; }
.footer-top .brand-logo { width: 92px; height: 92px; }
@media (max-width: 520px) {
  .brand-logo { width: 58px; height: 58px; }
  .footer-top .brand-logo { width: 78px; height: 78px; }
}

/* Photo professionnelle de Manuela */
.portrait-photo-wrap { position: relative; overflow: hidden; min-height: 460px; background: var(--paper-deep); border: 1px solid var(--line); }
.portrait-photo { display: block; width: 100%; height: 460px; object-fit: cover; object-position: 50% 28%; filter: saturate(.92); }
.portrait-tag { position: absolute; right: 18px; bottom: 18px; padding: 8px 10px; background: var(--paper); color: var(--ink); font-size: 9px; letter-spacing: .12em; line-height: 1.35; text-align: right; }
.portrait-tag strong { color: var(--lime); font-size: 12px; }
@media (max-width: 850px) {
  .portrait-photo-wrap { min-height: min(115vw, 500px); }
  .portrait-photo { height: min(115vw, 500px); }
}

/* Logo officiel agrandi dans le hero */
.logo-hero-frame { position: relative; display: flex; align-items: center; justify-content: center; padding: 0; background: #fff; }
.hero-atmosphere { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; filter: saturate(.82) contrast(.94); opacity: .94; }
.hero-logo-card { position: relative; z-index: 1; width: min(84%, 460px); padding: clamp(20px, 3.5vw, 34px); background: rgba(255,255,255,.96); box-shadow: 0 20px 50px rgba(11,35,75,.18); }
.hero-logo-image { display: block; width: 100%; height: auto; object-fit: contain; object-position: center; }

/* Améliorations conversion et parcours */
.process { max-width: var(--max); margin: auto; display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(50px, 10vw, 150px); align-items: start; padding-top: 135px; padding-bottom: 135px; border-top: 1px solid var(--line); }
.process-intro h2 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(46px, 5vw, 72px); font-weight: 500; letter-spacing: -.08em; line-height: .95; }
.process-intro > p:not(.overline) { max-width: 360px; margin: 31px 0 0; color: #676d67; font-size: 16px; }
.process-steps { border-top: 1px solid var(--line); }
.process-step { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 20px; padding: 22px 0 25px; border-bottom: 1px solid var(--line); }
.process-step > span { color: var(--lime); font-family: 'Space Grotesk', sans-serif; font-size: 13px; }
.process-step h3 { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: 25px; font-weight: 500; letter-spacing: -.05em; }
.process-step p { grid-column: 2; max-width: 440px; margin: 7px 0 0; color: #6c726c; font-size: 14px; line-height: 1.45; }
.mobile-call { display: none; }
@media (max-width: 850px) {
  .process { grid-template-columns: 1fr; gap: 56px; padding-top: 95px; padding-bottom: 95px; }
}
@media (max-width: 520px) {
  body { padding-bottom: 64px; }
  .mobile-call { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 15; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; background: var(--ink); color: white; box-shadow: 0 8px 24px rgba(11,35,75,.2); font-size: 12px; }
  .mobile-call strong { color: var(--lime); font-size: 12px; white-space: nowrap; }
}
