/* Studio Lumière — maquette « Essentiel » Photographe (CroisierWeb) */
:root {
  --bg: #0f0e0d; --bg-2: #171513; --bg-3: #211e1b; --paper: #f3eee6; --muted: #a59d92; --line: rgba(243, 238, 230, .12);
  --amber: #e8a04f; --amber-2: #f4c27f; --serif: "Cormorant", Georgia, serif; --sans: "Instrument", system-ui, sans-serif; --label: "Barlow Condensed", sans-serif;
  --mk-accent: var(--amber); --mk-accent-fg: #0f0e0d; --mk-surface: #1b1916; --mk-fg: var(--paper); --mk-radius: 4px; --mk-font: var(--sans);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; overflow-x: clip; }
body { margin: 0; background: var(--bg); color: var(--paper); font: 400 1.05rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 500; line-height: 1.02; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
em { font-style: italic; color: var(--amber-2); }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 44px); }
.section { padding: clamp(80px, 10vw, 130px) 0; }
.kicker { font: 600 .95rem var(--label); letter-spacing: .28em; text-transform: uppercase; color: var(--amber); margin: 0 0 16px; }
.kicker a { text-decoration: none; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 36rem; }
.section-head { margin-bottom: 44px; }
.section-head h2 { font-size: clamp(2.6rem, 5.6vw, 4.4rem); }

/* Boutons */
.btn-light, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 28px; font: 600 1rem var(--label); letter-spacing: .2em; text-transform: uppercase; text-decoration: none; border: 1px solid var(--paper); cursor: pointer; transition: background .35s, color .35s, border-color .35s, transform .35s var(--ease); }
.btn-light { background: var(--paper); color: var(--bg); }
.btn-light:hover { background: var(--amber); border-color: var(--amber); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--paper); }
.btn-wide { width: 100%; }

/* En-tête */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; transition: background .35s, box-shadow .35s; }
.site-header.is-scrolled { background: rgba(15, 14, 13, .9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 84px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand strong { display: block; font: 500 1.6rem/1 var(--serif); }
.brand small { font: 600 .75rem var(--label); letter-spacing: .26em; text-transform: uppercase; color: var(--muted); }
.aperture { width: 34px; height: 34px; border-radius: 50%; background: conic-gradient(from 0deg, var(--amber) 0 60deg, #2b2724 60deg 120deg, var(--amber-2) 120deg 180deg, #2b2724 180deg 240deg, var(--amber) 240deg 300deg, #2b2724 300deg); -webkit-mask: radial-gradient(circle, transparent 5px, #000 6px); mask: radial-gradient(circle, transparent 5px, #000 6px); transition: transform .8s var(--ease); }
.brand:hover .aperture { transform: rotate(120deg); }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.main-nav a { position: relative; text-decoration: none; font: 600 1rem var(--label); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); transition: color .2s; }
.main-nav a:hover, .main-nav a[aria-current] { color: var(--paper); }
.main-nav a[aria-current]:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--amber); }
.main-nav .nav-cta { padding: 10px 20px; border: 1px solid var(--amber); color: var(--amber-2); }
.main-nav .nav-cta:hover { background: var(--amber); color: var(--bg); }
.nav-toggle { display: none; margin-left: auto; width: 46px; height: 46px; border: 1px solid var(--line); background: transparent; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 12px; right: 12px; height: 1px; background: var(--paper); transition: transform .3s, top .3s; }
.nav-toggle span:first-child { top: 19px; } .nav-toggle span:last-child { top: 26px; }
.mk-nav-open .nav-toggle span { top: 22px; } .mk-nav-open .nav-toggle span:first-child { transform: rotate(45deg); } .mk-nav-open .nav-toggle span:last-child { transform: rotate(-45deg); }

/* Héros */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; padding: 140px 0 40px; overflow: hidden; }
.hero-shot { position: absolute; inset: 0; background: radial-gradient(60% 70% at 72% 38%, #f6c88e 0%, #c97c45 22%, #5b2e1f 48%, #1a1210 75%), #120f0d; animation: breathe 18s ease-in-out infinite alternate; }
.hero-shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15, 14, 13, .1), rgba(15, 14, 13, .3) 50%, var(--bg)), var(--grain); opacity: .95; }
.leak { position: absolute; right: -10%; top: -20%; width: 70%; height: 90%; background: radial-gradient(closest-side, rgba(255, 196, 120, .55), transparent); filter: blur(30px); animation: leak 9s ease-in-out infinite alternate; }
@keyframes breathe { to { transform: scale(1.08); } }
@keyframes leak { to { transform: translate(-12%, 10%) scale(1.15); opacity: .7; } }
.hero-content { position: relative; }
.hero h1 { font-size: clamp(3.2rem, 8vw, 7rem); max-width: 14ch; margin-bottom: 22px; }
.hero .lead { color: rgba(243, 238, 230, .78); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta { position: relative; display: flex; gap: 28px; margin-top: 70px; padding-top: 18px; border-top: 1px solid var(--line); font: 600 .9rem var(--label); letter-spacing: .24em; color: var(--muted); }

/* Tirages CSS */
.masonry { columns: 3 280px; column-gap: 18px; }
.shot { position: relative; display: block; width: 100%; margin: 0 0 18px; padding: 0; border: 0; cursor: zoom-in; overflow: hidden; break-inside: avoid; background: var(--c, #333); isolation: isolate; }
.shot.f-p { aspect-ratio: 4 / 5; } .shot.f-l { aspect-ratio: 3 / 2; } .shot.f-s { aspect-ratio: 1; }
.shot::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--sil, none); transition: transform 1.2s var(--ease); }
.shot::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .22; mix-blend-mode: overlay; pointer-events: none; }
.shot:hover::before { transform: scale(1.06); }
.shot-light { position: absolute; inset: 0; background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, .18) 50%, transparent 60%); transform: translateX(-100%); transition: transform 1.1s var(--ease); }
.shot:hover .shot-light { transform: translateX(100%); }
.shot-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 16px 12px; text-align: left; font: 600 .95rem var(--label); letter-spacing: .14em; text-transform: uppercase; color: #fff; background: linear-gradient(transparent, rgba(0, 0, 0, .6)); opacity: 0; transform: translateY(8px); transition: opacity .4s, transform .4s var(--ease); }
.shot:hover .shot-cap, .shot:focus-visible .shot-cap { opacity: 1; transform: none; }
/* Palettes « pellicule » + silhouettes */
.p5 { --sil: radial-gradient(5% 4% at 60% 58%, rgba(255, 236, 190, .95), transparent); }
.p0 { --c: radial-gradient(70% 60% at 30% 25%, #ffd8b0, #c98a5e 40%, #3a2420 85%); }
.p1 { --c: radial-gradient(80% 70% at 60% 30%, #fffaf3, #f2dccd 45%, #b99a88 100%); }
.p2 { --c: linear-gradient(160deg, #3d5a6e, #1e2f3c 55%, #0f1820); --sil: repeating-linear-gradient(90deg, transparent 0 18%, rgba(255, 255, 255, .05) 18% 18.6%), radial-gradient(60% 40% at 70% 20%, rgba(200, 225, 240, .28), transparent); }
.p3 { --c: radial-gradient(90% 80% at 80% 10%, #ffd38a, #e08e5b 35%, #7a3b3b 75%, #2c1a1f); }
.p4 { --c: radial-gradient(50% 45% at 40% 35%, #e2b597, #6f4a3e 45%, #102a2c 85%); }
.p5 { --c: linear-gradient(180deg, #2d1f4a 0%, #a94f6b 38%, #f29a5a 55%, #f7c983 60%, #39445e 61%, #1d2338 100%); }
.p6 { --c: linear-gradient(170deg, #241536, #120b1d); --sil: radial-gradient(4% 4% at 20% 30%, rgba(255, 190, 120, .55), transparent 100%), radial-gradient(9% 9% at 70% 22%, rgba(255, 120, 160, .4), transparent), radial-gradient(5% 5% at 45% 60%, rgba(140, 180, 255, .45), transparent), radial-gradient(8% 8% at 82% 70%, rgba(255, 200, 120, .45), transparent), radial-gradient(11% 11% at 30% 78%, rgba(255, 140, 120, .3), transparent); }
.p7 { --c: radial-gradient(80% 70% at 50% 30%, #fbf3e6, #e6d4bc 55%, #b8a184); }
.p8 { --c: radial-gradient(70% 60% at 35% 30%, #f2f2f2, #8c8c8c 45%, #1c1c1c 90%); }
.p0, .p1, .p2, .p3, .p4, .p5, .p6, .p7, .p8 { background: var(--c); }

/* Services (accueil) */
.services-strip { background: var(--bg-2); }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc { display: flex; flex-direction: column; text-decoration: none; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.svc-thumb { display: block; aspect-ratio: 4 / 3; margin-bottom: 20px; position: relative; overflow: hidden; }
.svc-thumb::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .2; mix-blend-mode: overlay; }
.svc-n { font: 600 .9rem var(--label); letter-spacing: .2em; color: var(--amber); }
.svc h3 { font-size: 2.4rem; margin: 4px 0 8px; transition: color .3s; }
.svc:hover h3 { color: var(--amber-2); }
.svc p { color: var(--muted); flex: 1; }
.svc-price { font: 600 1.05rem var(--label); letter-spacing: .14em; text-transform: uppercase; }

/* À propos */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: center; }
.about-shot { aspect-ratio: 4 / 5; position: relative; }
.about-shot::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .25; mix-blend-mode: overlay; }
.about-text { font: 400 1.6rem/1.45 var(--serif); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 30px 0; padding: 24px 0; border-block: 1px solid var(--line); }
.stats dt { font: 500 2.6rem/1 var(--serif); color: var(--amber-2); }
.stats dd { margin: 4px 0 0; font: 600 .85rem var(--label); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.review { margin: 0; }
.review p { font: italic 500 1.3rem/1.45 var(--serif); color: rgba(243, 238, 230, .85); }
.review footer { font: 600 .85rem var(--label); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* CTA */
.cta { padding: clamp(80px, 10vw, 130px) 0; border-top: 1px solid var(--line); background: radial-gradient(60% 120% at 50% 120%, rgba(232, 160, 79, .25), transparent 70%); }
.cta-content { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta h2 { font-size: clamp(2.4rem, 5.4vw, 4.4rem); max-width: 16ch; }

/* Pages intérieures */
.page-hero { padding: 170px 0 60px; border-bottom: 1px solid var(--line); background: radial-gradient(50% 80% at 85% 0%, rgba(232, 160, 79, .18), transparent 70%); }
.page-hero h1 { font-size: clamp(3.4rem, 9vw, 7.4rem); margin-bottom: 16px; }
.gallery-sec { padding-top: 50px; }
.gal-nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; padding-bottom: 60px; }
.gal-nav a { padding: 10px 20px; border: 1px solid var(--line); text-decoration: none; font: 600 .95rem var(--label); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); transition: all .3s; }
.gal-nav a:hover, .gal-nav a[aria-current] { color: var(--bg); background: var(--paper); border-color: var(--paper); }
.offers { display: grid; gap: 40px; }
.offer { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.offer:nth-child(even) .offer-shot { order: 2; }
.offer-shot { position: relative; display: block; aspect-ratio: 3 / 2; overflow: hidden; text-decoration: none; }
.offer-shot::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .22; mix-blend-mode: overlay; }
.offer-shot span { position: absolute; left: 20px; bottom: 18px; z-index: 1; font: 600 .95rem var(--label); letter-spacing: .18em; text-transform: uppercase; opacity: 0; transition: opacity .4s; }
.offer-shot:hover span { opacity: 1; }
.offer-body h2 { font-size: clamp(2.6rem, 4.4vw, 3.6rem); margin-bottom: 10px; }
.offer-body p { color: var(--muted); }
.offer-body ul { list-style: none; padding: 0; margin: 0 0 20px; }
.offer-body li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.offer-body li::before { content: "— "; color: var(--amber); }
.offer-foot { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.offer-foot strong { font: 500 2rem var(--serif); color: var(--amber-2); }
.offer-foot a { font: 600 .95rem var(--label); letter-spacing: .16em; text-transform: uppercase; text-decoration: none; }

.contact-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 50px; align-items: start; }
.contact-form { padding: clamp(24px, 4vw, 40px); background: var(--bg-2); border: 1px solid var(--line); }
.types { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0 0 22px; }
.types legend { width: 100%; margin-bottom: 10px; font: 600 .9rem var(--label); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.types label { position: relative; }
.types input { position: absolute; opacity: 0; }
.types span { display: inline-flex; min-height: 44px; align-items: center; padding: 0 18px; border: 1px solid var(--line); cursor: pointer; transition: all .2s; }
.types input:checked + span { background: var(--amber); color: var(--bg); border-color: var(--amber); }
.types input:focus-visible + span { outline: 2px solid var(--amber-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font: 600 .9rem var(--label); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.form-group input, .form-group textarea { width: 100%; padding: 13px 15px; border: 1px solid var(--line); background: var(--bg); color: var(--paper); font: 400 1rem var(--sans); border-radius: 2px; color-scheme: dark; transition: border-color .2s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--amber); }
.contact-shot { aspect-ratio: 3 / 2; margin-bottom: 22px; }
.contact-info h2 { font-size: 2.4rem; margin-bottom: 14px; }
.info-list { list-style: none; padding: 0; margin: 0 0 20px; }
.info-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.info-list span { display: block; font: 600 .82rem var(--label); letter-spacing: .2em; text-transform: uppercase; color: var(--amber); }
.info-list a { text-decoration: none; }
.social a { color: var(--muted); }
.mk-err { color: #f5a3a3; }
.mk-ko { background: #2a1414; color: #fecaca; border-color: #7f1d1d; }
.mk-ok { background: #13261a; color: #bbf7d0; border-color: #166534; }
.mk-legal { padding-top: 140px; }

/* Visionneuse */
.lightbox { position: fixed; inset: 0; z-index: 9500; display: grid; grid-template-columns: 70px 1fr 70px; align-items: center; background: rgba(8, 7, 6, .95); }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 14px; }
.lb-img { width: min(80vw, 980px); height: min(75vh, 700px); }
.lightbox figcaption { font: 600 1rem var(--label); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.lb-close, .lb-nav { background: none; border: 0; color: var(--paper); font-size: 3rem; line-height: 1; cursor: pointer; opacity: .7; transition: opacity .2s; }
.lb-close:hover, .lb-nav:hover { opacity: 1; }
.lb-close { position: absolute; top: 20px; right: 26px; }

/* Pied de page */
.site-footer { border-top: 1px solid var(--line); background: #0a0908; color: var(--muted); font-size: .95rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--paper); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; padding-top: 50px; padding-bottom: 30px; }
.footer-name { font: 500 2.2rem var(--serif); color: var(--paper); margin-bottom: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: flex-start; font: 600 .95rem var(--label); letter-spacing: .16em; text-transform: uppercase; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 20px; padding-bottom: 28px; border-top: 1px solid var(--line); font-size: .85rem; }
.footer-bottom p { margin: 0; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 6px 16px; }