/* Éclat d'Instants — Photographe mariage (démo Agence IA Web) */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --ink:#1c1b1a;--ink-soft:#3a3835;--ivory:#faf8f5;--cream:#f5f0e8;--warm:#e8dfd2;
  --muted:#7a746c;--line:#e5ddd2;--surface:#fff;--radius:4px;
  --container:1180px;--transition:.3s ease;
  --font-display:"Playfair Display",Georgia,serif;
  --font-body:"Lato","Segoe UI",sans-serif;
}
body{font-family:var(--font-body);color:var(--ink-soft);background:var(--ivory);line-height:1.7;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.skip-link{position:absolute;top:-100px;left:16px;background:var(--ink);color:#fff;padding:10px 16px;z-index:10001}
.skip-link:focus{top:16px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.section-inner,.nav-inner,.footer-inner{max-width:var(--container);margin:0 auto;padding:0 clamp(16px,4vw,28px)}
section{padding:clamp(56px,8vw,100px) 0}
h1{font-family:var(--font-display);font-weight:600;line-height:1.1;color:#fff}
h2{font-family:var(--font-display);font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:600;color:var(--ink);margin-bottom:16px;line-height:1.2}
h3{font-family:var(--font-display);font-size:1.2rem;font-weight:600;color:var(--ink);margin-bottom:8px}
p{margin-bottom:14px}
.lead{font-size:1.1rem;color:var(--muted);max-width:52ch;line-height:1.75}
.section-head{text-align:center;max-width:620px;margin:0 auto 48px}
.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;display:block}
.demo-banner{background:var(--ink);color:rgba(255,255,255,.85);font-size:.88rem;text-align:center;padding:9px 16px}
.demo-banner a{color:var(--cream);text-decoration:underline;text-underline-offset:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 28px;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1px solid transparent;transition:all var(--transition);cursor:pointer}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-soft)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(250,248,245,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background var(--transition)}
.site-header.on-hero{background:transparent;border-color:transparent;color:#fff}
.site-header.on-hero .logo,.site-header.on-hero .menu a{color:#fff}
.site-header.on-hero .menu a:hover,.site-header.on-hero .menu a[aria-current="page"]{background:rgba(255,255,255,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.logo{font-family:var(--font-display);font-size:1.35rem;font-weight:600;letter-spacing:.02em}
.menu{display:flex;gap:4px;flex-wrap:wrap}
.menu a{padding:8px 12px;font-size:.82rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:2px}
.menu a:hover,.menu a[aria-current="page"]{background:rgba(28,27,26,.08)}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.menu-toggle span{display:block;height:1px;background:currentColor;width:22px;margin:0 auto}
.hero-full{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:flex-end;color:#fff}
.hero-full .hero-media{position:absolute;inset:0}
.hero-full .hero-media img{width:100%;height:100%;object-fit:cover}
.hero-full .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,18,16,.75) 0%,rgba(20,18,16,.25) 50%,rgba(20,18,16,.35) 100%)}
.hero-full .hero-content{position:relative;z-index:1;width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(16px,4vw,28px) clamp(64px,10vw,100px)}
.hero-full h1{font-size:clamp(2.2rem,5.5vw,3.8rem);max-width:14ch;margin-bottom:20px}
.hero-full .lead{color:rgba(255,255,255,.88);max-width:46ch;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.page-hero{padding:clamp(100px,14vw,140px) 0 clamp(48px,6vw,72px);background:var(--cream);border-bottom:1px solid var(--line)}
.page-hero h1{color:var(--ink);font-size:clamp(2rem,4vw,3rem)}
.breadcrumb{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.masonry{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.masonry .item{overflow:hidden;border-radius:var(--radius);cursor:pointer;position:relative}
.masonry .item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.masonry .item:hover img{transform:scale(1.03)}
.masonry .span-8{grid-column:span 8}
.masonry .span-4{grid-column:span 4}
.masonry .span-6{grid-column:span 6}
.masonry .span-12{grid-column:span 12}
.masonry .tall{min-height:420px}
.masonry .wide{min-height:280px}
.masonry .sq{aspect-ratio:1}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.gallery-grid .g-item{overflow:hidden;border-radius:var(--radius);cursor:pointer;aspect-ratio:3/4}
.gallery-grid .g-item.landscape{aspect-ratio:4/3;grid-column:span 1}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gallery-grid .g-item:hover img{transform:scale(1.04)}
.lightbox{position:fixed;inset:0;z-index:10000;background:rgba(12,11,10,.94);display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,92vw);max-height:88vh;object-fit:contain}
.lightbox-close{position:absolute;top:20px;right:24px;background:transparent;border:0;color:#fff;font-size:2rem;cursor:pointer;width:48px;height:48px}
.lightbox-caption{position:absolute;bottom:24px;left:24px;right:24px;text-align:center;color:rgba(255,255,255,.8);font-size:.9rem}
.presta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.presta-card{padding:32px;border:1px solid var(--line);background:var(--surface)}
.presta-card h3{margin-bottom:12px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{padding:28px;background:var(--surface);border:1px solid var(--line);font-style:italic;color:var(--muted)}
.quote-card cite{display:block;margin-top:16px;font-style:normal;font-size:.85rem;font-weight:700;color:var(--ink);letter-spacing:.04em}
.quote-card .demo-tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-style:normal}
.faq{max-width:720px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-family:var(--font-display);font-weight:600;cursor:pointer;color:var(--ink)}
.faq p{margin-top:12px;margin-bottom:0;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;color:var(--ink)}
input,textarea,select{width:100%;padding:14px 16px;border:1px solid var(--line);background:var(--surface);font:inherit;margin-bottom:16px}
textarea{min-height:140px;resize:vertical}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--ink);border-color:var(--ink)}
.form-status{font-weight:700;font-size:.9rem}
.form-status.ok{color:#2d6a4a}
.form-status.err{color:#9b2c2c}
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 32px;font-size:.92rem}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-grid h3{color:#fff;font-family:var(--font-display);font-size:1rem;margin-bottom:14px}
.footer-links li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.82rem}
.cta-band{text-align:center;background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.prose{max-width:68ch}
.prose ul{margin:12px 0 12px 1.2rem;list-style:disc}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid-2 figure{border-radius:var(--radius);overflow:hidden}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:32px}
.filter-btn{padding:10px 18px;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line);background:var(--surface);cursor:pointer;transition:all var(--transition)}
.filter-btn:hover,.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.about-photo{border-radius:var(--radius);overflow:hidden;max-width:420px}
.note-fictive{font-size:.88rem;color:var(--muted);padding:16px;background:var(--cream);border-left:3px solid var(--line)}
@media(max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .masonry{grid-template-columns:repeat(6,1fr)}
  .masonry .span-8,.masonry .span-6,.masonry .span-4,.masonry .span-12{grid-column:span 6}
  .presta-grid,.quote-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .menu-toggle{display:flex}
  .menu{position:absolute;top:100%;left:0;right:0;background:var(--ivory);border-bottom:1px solid var(--line);flex-direction:column;padding:16px;display:none}
  .menu.open{display:flex}
  .header-cta{display:none}
  .site-header{position:sticky}
  .site-header.on-hero{background:rgba(250,248,245,.95);border-color:var(--line)}
  .site-header.on-hero .logo,.site-header.on-hero .menu a{color:var(--ink)}
}