@font-face{font-family:Montserrat;src:url("fonts/Montserrat-400.woff2") format("woff2");font-style:normal;font-weight:400;font-display:optional}
@font-face{font-family:Montserrat;src:url("fonts/Montserrat-700.woff2") format("woff2");font-style:normal;font-weight:700;font-display:optional}
@font-face{font-family:Montserrat;src:url("fonts/Montserrat-800.woff2") format("woff2");font-style:normal;font-weight:800;font-display:optional}
:root{--navy:#00395b;--navy-deep:#002a43;--blue:#007caf;--cyan:#0da6d6;--pale:#eaf4f8;--ink:#172933;--muted:#526874;--paper:#f6f7f5;--white:#fff;--line:#d1dfe5;--gold:#f0bc38;--content:1180px;--gutter:clamp(20px,5vw,76px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;color:var(--ink);background:var(--white);font-family:Montserrat,Arial,sans-serif;font-size:16px;line-height:1.65}
img{max-width:100%;height:auto}
a{color:var(--blue);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
button,input,select,textarea{font:inherit}
.skip-link{position:absolute;left:12px;top:8px;z-index:30;padding:10px 14px;background:var(--white);color:var(--navy);transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
.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}
.site-header{position:relative;z-index:10;background:var(--white);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--content);min-height:86px;margin:auto;padding:12px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:block;flex:0 0 156px;line-height:0}.brand img{display:block;width:156px;height:auto}
.primary-nav{display:flex;align-items:center;gap:clamp(14px,2.2vw,32px)}
.primary-nav a,.header-call{font-size:13px;font-weight:700;text-decoration:none;color:var(--navy);white-space:nowrap}
.primary-nav a[aria-current=page]{color:var(--blue);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
.header-call{border-left:1px solid var(--line);padding-left:24px}.header-call span{display:block;font-size:12px;color:var(--muted);font-weight:400}
.menu-button{display:none;border:1px solid var(--line);background:var(--white);color:var(--navy);border-radius:4px;width:46px;height:44px;padding:10px;cursor:pointer}
.menu-lines{display:flex;height:22px;flex-direction:column;justify-content:space-between}.menu-lines span{display:block;height:2px;background:currentColor;width:100%}
.section-wrap{max-width:var(--content);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.hero{background:var(--navy);color:var(--white);overflow:hidden}
.hero-inner{max-width:var(--content);min-height:580px;margin:auto;padding:62px var(--gutter) 68px;display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center}
.hero-copy{padding:8px 0;max-width:510px}.eyebrow,.section-kicker{margin:0 0 16px;color:var(--blue);font-size:11px;line-height:1.4;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.hero .eyebrow{color:#90d9f0}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5.1vw,64px);line-height:1.08;letter-spacing:-.045em;font-weight:800}
.hero h1{margin-bottom:24px;color:var(--white)}.hero h1 span{display:block;color:#8dd9f0}
.hero-lead{max-width:46ch;margin-bottom:28px;color:#e1edf2;font-size:17px;line-height:1.7}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.hero-base{margin:28px 0 0;color:#bcd8e3;font-size:13px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:3px;text-decoration:none;font-size:13px;font-weight:700;line-height:1.3}
.button-bright{background:var(--cyan);color:var(--navy-deep)}.button-bright:hover{background:#68d0ed;color:var(--navy-deep)}
.button-light{background:var(--white);color:var(--navy)}.button-light:hover{background:#d8f2fa;color:var(--navy)}
.text-link{display:inline-block;color:var(--navy);font-size:13px;font-weight:700;text-decoration:underline;text-decoration-color:#74bfd8;text-decoration-thickness:2px;text-underline-offset:5px}
.text-link-light{color:var(--white);text-decoration-color:#75c9e4}
.hero-visual{position:relative;min-height:412px;background:#062d45}
.hero-visual:after{position:absolute;content:"";inset:0;background:linear-gradient(90deg,rgba(0,39,63,.22),rgba(0,39,63,.04) 55%,rgba(0,39,63,.36))}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:54% center}
.hero-caption{position:absolute;z-index:1;right:18px;bottom:18px;left:18px;display:flex;justify-content:space-between;gap:12px;color:var(--white);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.intro-section{padding-top:100px;padding-bottom:100px}.intro-grid{display:grid;grid-template-columns:.8fr 1fr;gap:clamp(40px,9vw,140px);align-items:start}.intro-grid h2,.scope-grid h2{max-width:10ch;margin:0;font-size:clamp(30px,3.8vw,46px);line-height:1.16;letter-spacing:-.04em;color:var(--navy)}.intro-grid p{max-width:64ch;color:var(--muted)}.intro-grid .text-link{margin-top:8px}
.benefits-section{padding-top:82px;padding-bottom:96px;background:var(--paper);max-width:none}.benefits-section>.section-heading,.benefit-list{max-width:calc(var(--content) - 2 * var(--gutter));margin-left:auto;margin-right:auto}
.section-heading{max-width:720px;margin:0 auto 48px;text-align:center}.section-heading h2,.work-band h2,.closing-cta h2{margin-bottom:14px;color:var(--navy);font-size:clamp(30px,4vw,44px);line-height:1.18;letter-spacing:-.04em}.section-heading>p:last-child{color:var(--muted)}
.benefit-list{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.benefit-list article{border-top:3px solid var(--blue);padding-top:20px}.benefit-list h3{margin-bottom:14px;color:var(--navy);font-size:22px}.benefit-list ul{margin:0;padding-left:20px;color:var(--muted)}.benefit-list li{margin:0 0 8px;padding-left:4px}
.work-band{position:relative;color:var(--white);background:var(--navy-deep);background-image:linear-gradient(90deg,rgba(0,42,67,.94),rgba(0,42,67,.68)),url("images/img-parallax-566a02e2.webp");background-position:center;background-size:cover}
.work-band-inner{max-width:var(--content);margin:auto;padding:82px var(--gutter) 88px}.work-band .section-kicker{color:#a2e3f5}.work-band h2{max-width:650px;color:var(--white)}.work-band p:not(.section-kicker){max-width:610px;color:#d8e8ed}.work-band .button{margin-top:12px}
.scope-section{padding-top:94px;padding-bottom:100px}.scope-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(36px,8vw,100px)}.scope-grid h2{max-width:12ch;margin-bottom:20px}.scope-grid>div>p{max-width:50ch;color:var(--muted)}.town-list{align-self:start;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}.town-list summary{color:var(--navy);font-weight:700;cursor:pointer}.town-list p{margin:16px 0 0;color:var(--muted);font-size:13px;line-height:1.8}
.projects-section{padding-top:86px;padding-bottom:100px;border-top:1px solid var(--line)}.projects-section>.section-heading{margin-bottom:42px}.teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:34px}.project-teaser{margin:0}.teaser-photo{display:block;overflow:hidden;background:#edf2f2}.teaser-photo img{display:block;width:100%;height:240px;object-fit:cover;transition:transform .25s ease}.teaser-photo:hover img{transform:scale(1.025)}.project-teaser h3{margin:16px 0 4px;font-size:17px;line-height:1.4}.project-teaser h3 a{color:var(--navy);text-decoration:none}.project-teaser p{margin:0;color:var(--muted);font-size:13px}
.closing-cta{max-width:var(--content);margin:0 auto;padding:64px var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:32px;background:var(--pale)}.closing-cta h2{max-width:620px;margin-bottom:12px}.closing-cta p:not(.section-kicker){max-width:62ch;margin-bottom:0;color:var(--muted)}.closing-cta .button{flex:0 0 auto}
.site-footer{background:var(--navy-deep);color:#e4eef1}.footer-main{max-width:var(--content);margin:auto;padding:58px var(--gutter) 46px;display:grid;grid-template-columns:160px 1fr auto;gap:clamp(30px,6vw,80px);align-items:start}.footer-brand img{display:block;width:150px;height:auto}.footer-main h2{margin:0 0 10px;color:var(--white);font-size:19px}.footer-main p{margin:0 0 12px;color:#c2d8e1;font-size:13px}.footer-contacts{display:flex;gap:20px;flex-wrap:wrap}.footer-contacts a,.footer-nav a{color:var(--white);font-size:13px}.footer-nav{display:grid;gap:8px}.footer-bottom{max-width:var(--content);margin:auto;border-top:1px solid rgba(255,255,255,.17);padding:15px var(--gutter);display:flex;justify-content:space-between;gap:20px}.footer-bottom p{margin:0;color:#b8ced7;font-size:11px}
.page-main{min-height:55vh}.page-intro{background:var(--navy);color:var(--white)}.page-intro-split{padding:76px max(var(--gutter),calc((100vw - var(--content) + 2 * var(--gutter))/2)) 78px;display:grid;grid-template-columns:1.1fr .7fr;gap:clamp(40px,9vw,140px);align-items:center}.page-intro h1{max-width:760px;margin-bottom:18px}.page-intro .section-kicker{color:#94d9ee}.page-lead{max-width:58ch;margin:0 0 28px;color:#e1edf2;font-size:17px}.page-intro .button{margin-top:4px}.technical-note{padding:28px 30px;border-left:3px solid var(--cyan);background:rgba(255,255,255,.08)}.technical-note>span{display:block;color:#c4dce4;font-size:11px;line-height:1.45;text-transform:uppercase;letter-spacing:.1em}.technical-note strong{display:block;margin:10px 0 4px;color:var(--white);font-size:clamp(40px,6vw,66px);line-height:1.05;font-weight:800}.technical-note strong small{font-size:.45em}.technical-note p{margin:10px 0 0;color:#d7e8ee;font-size:14px}
.method-section{padding-top:92px;padding-bottom:100px;display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.method-copy h2{margin-bottom:22px;color:var(--navy);font-size:clamp(30px,3.5vw,42px);line-height:1.2;letter-spacing:-.035em}.method-copy p:not(.section-kicker){color:var(--muted)}.method-photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.photo-figure{margin:0;background:#f0f3f3}.photo-figure>a{display:block;overflow:hidden}.photo-figure img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#eef1f1}.photo-figure a:focus-visible{outline-offset:-5px}.photo-figure figcaption{padding:10px 12px 12px;color:var(--navy);font-size:11px;line-height:1.45;font-weight:700}
.steps-section{padding:86px 0 96px;background:var(--paper)}.steps-list{list-style:none;max-width:800px;margin:0 auto 52px;padding:0;counter-reset:steps;border-top:1px solid var(--line)}.steps-list li{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:baseline;padding:16px 10px;border-bottom:1px solid var(--line);color:var(--ink)}.step-number{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.08em}.process-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps-section .section-heading{margin-bottom:38px}
.page-intro-gallery{padding:76px max(var(--gutter),calc((100vw - var(--content) + 2 * var(--gutter))/2));display:flex;align-items:end;justify-content:space-between;gap:40px}.page-intro-gallery>div:first-child{max-width:740px}.page-intro-gallery .page-lead{margin-bottom:0}.gallery-count{display:grid;grid-template-columns:auto auto;gap:2px 14px;align-items:baseline;min-width:180px}.gallery-count strong{color:#8dd9f0;font-size:30px}.gallery-count span{color:#d8e8ee;font-size:11px}.gallery-intro{padding-top:35px;padding-bottom:26px}.gallery-intro p{max-width:780px;margin:0 auto;color:var(--muted);font-size:14px;text-align:center}.project-list{padding-bottom:84px}.project-block{padding:38px 0 48px;border-bottom:1px solid var(--line);scroll-margin-top:28px}.project-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:24px}.project-heading .section-kicker{margin-bottom:8px}.project-heading h2{margin:0 0 5px;color:var(--navy);font-size:clamp(23px,3vw,32px);line-height:1.2}.project-heading p:not(.section-kicker){margin:0;color:var(--muted);font-size:13px}.project-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.project-gallery .photo-figure img{aspect-ratio:4/3;object-fit:cover}.project-gallery .photo-figure a:hover img{filter:brightness(.96)}
.contact-methods{display:flex;gap:14px;flex-wrap:wrap}.contact-method{min-width:200px;padding:15px 18px;border-left:2px solid var(--cyan);background:rgba(255,255,255,.08);color:var(--white);text-decoration:none}.contact-method span,.contact-method strong{display:block}.contact-method span{color:#c4dce4;font-size:11px;letter-spacing:.1em;text-transform:uppercase}.contact-method strong{margin-top:3px;font-size:15px}.direct-contact{display:flex;flex-wrap:wrap;gap:22px}.direct-contact a{color:var(--white);font-size:14px;font-weight:700}.contact-location{padding:28px 30px;border-left:3px solid var(--cyan);background:rgba(255,255,255,.08)}.contact-location h2{margin:0 0 12px;color:var(--white);font-size:23px}.contact-location p:last-child{margin:0;color:#d7e8ee;font-size:14px}
.form-section{padding-top:72px;padding-bottom:86px}.form-intro{display:grid;grid-template-columns:.8fr 1fr;gap:50px;align-items:end;margin-bottom:32px}.form-intro h2{margin:0;color:var(--navy);font-size:clamp(26px,3.2vw,36px);line-height:1.2}.form-intro>p{margin:0;color:var(--muted);font-size:14px}.form-preview{max-width:920px;margin:auto;padding:28px;border:1px solid var(--line);background:#fbfcfc}.disabled-note{margin:0 0 24px;padding:12px 14px;background:var(--pale);color:var(--navy);font-size:13px;font-weight:700}.form-preview fieldset{margin:0 0 22px;padding:22px 0 0;border:0;border-top:1px solid var(--line);min-width:0}.form-preview legend{padding:0 10px 0 0;color:var(--navy);font-size:19px;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.form-grid label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:700}.form-grid input,.form-grid select,.form-grid textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #bdcbd1;border-radius:2px;background:var(--white);color:var(--ink)}.form-grid textarea{resize:vertical}.form-grid input::placeholder{color:#71848c}.form-grid input:disabled,.form-grid select:disabled,.form-grid textarea:disabled{background:#f0f3f3;color:#62757d;opacity:1}.form-wide{grid-column:1/-1}.file-label input{padding:8px}.button-disabled{background:#bcc8cc;color:#344950;cursor:not-allowed}.contact-strip{max-width:920px;margin:22px auto 0;padding:20px 0;border-top:1px solid var(--line);display:flex;gap:20px;align-items:center;flex-wrap:wrap}.contact-strip p{margin:0 auto 0 0;color:var(--navy);font-weight:700}.contact-strip a{font-size:13px;font-weight:700}
.page-intro-compact{padding:72px max(var(--gutter),calc((100vw - var(--content) + 2 * var(--gutter))/2)) 68px}.page-intro-compact h1{margin-bottom:16px}.page-intro-compact .page-lead{margin:0}.legal-content{padding-top:62px;padding-bottom:86px}.legal-data{max-width:840px;margin:0 auto 42px}.legal-data>div{display:grid;grid-template-columns:.55fr 1fr;gap:30px;padding:18px 0;border-bottom:1px solid var(--line)}.legal-data dt{color:var(--navy);font-size:13px;font-weight:700}.legal-data dd{margin:0;color:var(--muted);font-size:14px}.legal-note{max-width:840px;margin:auto;padding:24px 28px;background:var(--paper)}.legal-note h2{margin-bottom:12px;color:var(--navy);font-size:21px}.legal-note p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:1000px){.header-inner{gap:18px}.primary-nav{gap:16px}.primary-nav a{font-size:12px}.header-call{padding-left:16px}.hero-inner{gap:30px}.hero-visual{min-height:360px}.footer-main{grid-template-columns:140px 1fr;gap:30px}.footer-nav{grid-column:2;grid-template-columns:repeat(3,auto);justify-content:start;gap:10px 18px}.page-intro-split{gap:44px}}
@media (max-width:760px){
  .header-inner{min-height:72px;padding-top:10px;padding-bottom:10px;display:grid;grid-template-columns:1fr auto auto;gap:12px}.brand{flex-basis:140px}.brand img{width:140px}.menu-button{display:block;grid-column:2;grid-row:1}.header-call{grid-column:3;grid-row:1;padding-left:12px;font-size:11px}.header-call span{font-size:10px}.primary-nav{grid-column:1/-1;grid-row:2;flex-direction:column;align-items:stretch;gap:0;padding:4px 0 8px;border-top:1px solid var(--line)}.primary-nav a{padding:11px 4px;border-bottom:1px solid #e4ebee;font-size:14px}.primary-nav a[aria-current=page]{text-decoration:none;border-left:3px solid var(--cyan);padding-left:12px}.js .primary-nav{display:none}.js .primary-nav.is-open{display:flex}.js .menu-button{display:block}
  .hero-inner{min-height:0;padding-top:50px;padding-bottom:48px;grid-template-columns:1fr;gap:30px}.hero-copy{max-width:none}.hero h1{font-size:clamp(38px,11vw,54px)}.hero-lead{font-size:16px}.hero-visual{min-height:280px}.hero-caption{font-size:9px}
  .intro-section{padding-top:66px;padding-bottom:70px}.intro-grid,.scope-grid{grid-template-columns:1fr;gap:28px}.intro-grid h2,.scope-grid h2{max-width:16ch}.benefits-section{padding-top:64px;padding-bottom:72px}.section-heading{margin-bottom:32px}.benefit-list{grid-template-columns:1fr;gap:22px}.benefit-list article{padding-top:14px}.benefit-list ul{font-size:14px}.work-band-inner{padding-top:62px;padding-bottom:66px}.scope-section{padding-top:66px;padding-bottom:70px}.projects-section{padding-top:65px;padding-bottom:72px}.teaser-grid{grid-template-columns:1fr;gap:25px}.teaser-photo img{height:auto;max-height:300px}.closing-cta{margin:0;max-width:none;padding-top:42px;padding-bottom:46px;display:block}.closing-cta .button{margin-top:23px}
  .footer-main{padding-top:42px;padding-bottom:34px;grid-template-columns:1fr;gap:28px}.footer-brand img{width:140px}.footer-nav{grid-column:auto;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 18px}.footer-bottom{display:block}.footer-bottom p+p{margin-top:3px}
  .page-intro-split{padding:54px var(--gutter) 56px;grid-template-columns:1fr;gap:28px}.page-intro h1{font-size:clamp(36px,10vw,52px)}.page-lead{font-size:16px}.technical-note,.contact-location{padding:20px 22px}.technical-note strong{font-size:50px}.method-section{padding-top:62px;padding-bottom:68px;grid-template-columns:1fr;gap:26px}.method-photo-grid{gap:12px}.steps-section{padding-top:62px;padding-bottom:70px}.steps-list li{grid-template-columns:40px 1fr;gap:10px;padding:14px 0;font-size:14px}.process-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .page-intro-gallery{padding:54px var(--gutter);display:block}.gallery-count{margin-top:25px;min-width:0;max-width:220px}.gallery-intro{padding-top:25px;padding-bottom:8px}.project-list{padding-bottom:54px}.project-block{padding:28px 0 32px}.project-heading{display:block;margin-bottom:16px}.project-heading .text-link{margin-top:12px}.project-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.photo-figure figcaption{padding:8px 8px 10px;font-size:10px}
  .form-section{padding-top:52px;padding-bottom:64px}.form-intro{grid-template-columns:1fr;gap:14px;margin-bottom:24px}.form-preview{padding:18px 14px}.form-preview fieldset{padding-top:18px}.form-grid{grid-template-columns:1fr;gap:13px}.form-wide{grid-column:auto}.contact-strip{align-items:flex-start;display:grid;gap:8px}.contact-strip p{margin:0 0 4px}.contact-methods{display:grid;grid-template-columns:1fr;gap:10px}.contact-method{min-width:0}.page-intro-compact{padding:54px var(--gutter)}.legal-content{padding-top:44px;padding-bottom:64px}.legal-data>div{grid-template-columns:1fr;gap:4px;padding:14px 0}.legal-note{padding:20px}
}
@media (max-width:370px){:root{--gutter:18px}.header-inner{grid-template-columns:1fr auto}.header-call{grid-column:1/-1;grid-row:2;justify-self:start;border:0;padding:0;font-size:12px}.header-call span{display:inline;margin-left:5px;font-size:12px}.menu-button{grid-column:2;grid-row:1}.primary-nav{grid-row:3}.hero-actions{align-items:flex-start;flex-direction:column;gap:16px}.hero-visual{min-height:230px}.hero-caption{right:10px;left:10px;bottom:10px;flex-wrap:wrap}.project-gallery{gap:8px}.photo-figure figcaption{font-size:9px;padding:7px}.footer-nav{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}


/* Tâche50 — grille chantier régulière; aucune photo n’est recadrée. */
.project-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
.project-gallery .photo-figure img,.method-photo-grid .photo-figure img,.process-gallery .photo-figure img{width:100%;height:auto;max-height:none;aspect-ratio:auto;object-fit:contain}
.photo-figure>a{height:auto;overflow:visible}
.project-gallery .photo-figure figcaption,.method-photo-grid .photo-figure figcaption,.process-gallery .photo-figure figcaption{font-size:13px;line-height:1.45;padding:12px}
.town-list{align-self:start;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
.town-list h3{margin:0 0 14px;color:var(--navy);font-size:17px;line-height:1.3}
.town-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px;list-style:none;margin:0;padding:0}
.town-grid li{min-width:0;color:var(--muted);font-size:12px;line-height:1.45;overflow-wrap:anywhere}
.gallery-trigger{display:block;width:100%;padding:0;border:0;background:transparent;text-align:inherit;cursor:zoom-in}
.gallery-trigger:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
@media(max-width:760px){.project-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.process-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:380px){.project-gallery,.process-gallery{grid-template-columns:1fr}}

:root{--gallery-surface:var(--navy);--gallery-ink:#fff;--gallery-accent:var(--blue);}

/* Tâche50 — visionneuse locale accessible, ratios complets et commandes textuelles. */
.gallery-trigger{display:block;width:100%;padding:0;border:0;background:transparent;text-align:inherit;cursor:zoom-in}
.gallery-trigger:focus-visible,[data-gallery-trigger]:focus-visible{outline:3px solid var(--gallery-accent,var(--mint));outline-offset:3px}
.gallery-lightbox{width:min(1320px,calc(100vw - 24px));max-width:calc(100vw - 24px);max-height:calc(100vh - 24px);padding:clamp(12px,2vw,24px);border:1px solid rgba(255,255,255,.35);background:var(--gallery-surface,#172323);color:var(--gallery-ink,#fff);box-shadow:0 18px 80px rgba(0,0,0,.45)}
.gallery-lightbox::backdrop{background:rgba(7,13,15,.9);backdrop-filter:blur(2px)}
.gallery-lightbox-top,.gallery-lightbox-controls{display:flex;align-items:center;justify-content:space-between;gap:12px}
.gallery-lightbox-top{margin-bottom:10px}.gallery-lightbox-top h2{margin:0;font:inherit;font-size:clamp(18px,2.5vw,25px);font-weight:600;line-height:1.2;color:inherit}
.gallery-lightbox button{min-height:42px;padding:8px 12px;border:1px solid var(--gallery-accent,#d7c18b);background:transparent;color:inherit;font:inherit;font-size:14px;font-weight:600;line-height:1.25;cursor:pointer}
.gallery-lightbox button:hover:not(:disabled){background:var(--gallery-accent,#d7c18b);color:#151515}
.gallery-lightbox button:focus-visible{outline:3px solid var(--gallery-accent,#d7c18b);outline-offset:3px}
.gallery-lightbox button:disabled{opacity:.45;cursor:default}
.gallery-lightbox-frame{display:grid;place-items:center;margin:0;min-height:180px;max-height:calc(100vh - 170px);gap:8px}
.gallery-lightbox-frame img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100vh - 235px);object-fit:contain}
.gallery-lightbox-frame figcaption{max-width:70ch;text-align:center;color:inherit;font-size:14px;line-height:1.4}
.gallery-lightbox-controls{margin-top:12px}.gallery-lightbox-controls p{margin:0;color:inherit;font-size:13px;white-space:nowrap}
@media(max-width:520px){.gallery-lightbox{width:calc(100vw - 16px);max-width:calc(100vw - 16px);max-height:calc(100vh - 16px);padding:10px}.gallery-lightbox-top h2{font-size:17px}.gallery-lightbox button{min-height:44px;padding:8px;font-size:12px}.gallery-lightbox-frame{max-height:calc(100vh - 150px)}.gallery-lightbox-frame img{max-height:calc(100vh - 215px)}.gallery-lightbox-controls{gap:6px}.gallery-lightbox-controls p{font-size:12px}}
@media(prefers-reduced-motion:reduce){.gallery-lightbox{scroll-behavior:auto}}