/* ═══════════════════════════════════════════════════════════
   SIJELMASSI & PARTNERS — Shared Stylesheet
   Covers: index.html + projets.html
   Page-specific overrides remain inline in each file.
═══════════════════════════════════════════════════════════ */

/* ─── RESET & ROOT ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --slate:#718091;
  --slate-dk:#5e646a;
  --charcoal:#373c40;
  --ink:#2a2e31;
  --bg:#ffffff;
  --bg-soft:#f9f9f9;
  --bg-soft2:#f1f3f5;
  --line:#e3e6e9;
  --red:#ec1e28;
  --red-dk:#dd3333;
  --muted:#6A707E;
  --font:'Poppins',system-ui,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth;font-size:16px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{background:var(--bg);color:var(--charcoal);font-family:var(--font);font-weight:400;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--slate);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}
h1,h2,h3,h4{font-weight:500;line-height:1.2;color:var(--ink);letter-spacing:-.01em}
p{color:var(--slate-dk)}
a{color:inherit;text-decoration:none;cursor:pointer}
img{max-width:100%;display:block}

/* ─── LAYOUT ─── */
.container{max-width:1280px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 22px}}

/* ─── EYEBROW ─── */
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:'';width:28px;height:2px;background:var(--red);display:block}

/* ─── MOBILE MENU (index only — safe to share) ─── */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;z-index:101}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);transition:all .3s var(--ease)}
.mobile-menu{display:none;position:fixed;inset:0;background:#fff;z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:28px;opacity:0;transition:opacity .3s}
.mobile-menu.open{display:flex;opacity:1}
.mobile-menu a{font-size:18px;font-weight:500;color:var(--ink)}
.mobile-menu a:hover{color:var(--red)}
@media(max-width:900px){.hamburger{display:flex}}

/* ─── NAV ─── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:10px 40px;display:flex;align-items:center;justify-content:space-between;transition:all .35s var(--ease);background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent}
nav.scrolled{padding:6px 40px;box-shadow:0 1px 0 var(--line);background:#fff}
.nav-logo{display:flex;align-items:center}
/* Logo height set per-page (index: 210px / projets: 170px) */
.nav-logo svg{width:auto;transition:opacity .3s,height .35s var(--ease)}
.nav-logo:hover svg{opacity:.85}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none}
.nav-links a{font-size:13px;font-weight:500;color:var(--charcoal);transition:color .2s;position:relative}
.nav-links a:hover{color:var(--red)}
.nav-right{display:flex;align-items:center;gap:20px}
.lang{font-size:11px;font-weight:500;color:var(--slate);letter-spacing:.1em}
.lang b{color:var(--ink)}
.nav-cta{font-size:12px;font-weight:500;color:#fff!important;background:var(--red);padding:12px 22px;border-radius:2px;transition:all .25s var(--ease)!important;letter-spacing:.04em}
.nav-cta:hover{background:var(--red-dk)}
@media(max-width:900px){.nav-links{display:none}nav{padding:10px 22px}}

/* ─── BUTTONS ─── */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;padding:16px 30px;border-radius:2px;transition:all .3s var(--ease);cursor:pointer;border:none;letter-spacing:.02em}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dk);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--charcoal);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--slate);color:var(--slate)}

/* ─── SECTION HEAD ─── */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:70px;gap:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(30px,4vw,48px);color:var(--ink);max-width:720px;font-weight:500}
.sec-head h2 em{font-style:normal;color:var(--slate);font-weight:300}
.sec-head .side{max-width:380px;color:var(--slate-dk);font-size:15px}

/* ─── FILTERS & CHIPS ─── */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.filter-group{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filter-group + .filter-group{padding-left:24px;margin-left:12px;border-left:1px solid var(--line)}
@media(max-width:768px){.filter-group + .filter-group{padding-left:0;margin-left:0;border-left:0;width:100%}}
.filter-lbl{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--slate);margin-right:8px;font-weight:500}
.chip{font-size:12px;font-weight:500;padding:8px 16px;border:1px solid var(--line);border-radius:2px;color:var(--charcoal);background:#fff;cursor:pointer;transition:all .25s;user-select:none}
.chip:hover{border-color:var(--slate);color:var(--slate)}
.chip.on{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}
.chip:active{transform:scale(.97)}

/* ─── FILTER EMPTY STATE ─── */
.filter-empty{padding:80px 24px;text-align:center;border:1px dashed var(--line);border-radius:4px;margin-top:8px}
.filter-empty[hidden]{display:none}
.fe-icon{font-size:48px;color:var(--slate);opacity:.4;line-height:1;margin-bottom:14px}
.fe-title{font-size:18px;font-weight:600;color:var(--charcoal);margin-bottom:6px}
.fe-sub{font-size:13px;color:var(--slate)}
#filterReset{display:inline-block}

/* ─── PORTFOLIO GRID & CARDS ─── */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{position:relative;overflow:hidden;background:#fff;cursor:pointer;min-height:400px;transition:transform .3s,opacity .35s ease}
.card:hover{transform:translateY(-4px)}
.card.is-fading{opacity:0;transform:scale(.97);pointer-events:none}
.card.is-hidden{display:none!important}
.card.w7{grid-column:span 7}.card.w5{grid-column:span 5}.card.w6{grid-column:span 6}.card.w4{grid-column:span 4}.card.w8{grid-column:span 8}.card.w12{grid-column:span 12;min-height:480px}.card.w3{grid-column:span 3;min-height:340px}
@media(max-width:900px){.card{grid-column:span 12!important;min-height:320px}}
.card-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s var(--ease)}
.card:hover .card-img{transform:scale(1.05)}
.card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(42,46,49,.85) 100%)}
.card-body{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;z-index:2}
.card-tag{font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:#fff;margin-bottom:8px;opacity:.85}
.card h3{font-size:22px;color:#fff;margin-bottom:6px;font-weight:600;line-height:1.25}
.card .meta{font-size:12px;color:rgba(255,255,255,.8);letter-spacing:.04em}
.card .loc::before{content:'● ';color:var(--red);margin-right:2px}

/* Placeholder cards */
.card-placeholder .card-img::before,.m-card.m-placeholder .m-card-img::before{content:'IMAGE À VENIR';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:rgba(255,255,255,.25);font-size:13px;letter-spacing:.3em;font-weight:500;text-transform:uppercase;z-index:1;white-space:nowrap}
.card-placeholder .card-img::after{background:linear-gradient(180deg,transparent 60%,rgba(42,46,49,.7) 100%)}

/* ─── LAZY LOADING & SHIMMER ─── */
.lazy-bg{background-color:#eaecef}
.lazy-bg:not(.loaded):not(.error){background:linear-gradient(90deg,#eaecef 0%,#f1f3f5 50%,#eaecef 100%);background-size:200% 100%;animation:lzShimmer 1.6s ease-in-out infinite}
.lazy-bg.loaded{background-size:cover;background-position:center;background-repeat:no-repeat;animation:none;opacity:1;transition:opacity .6s var(--ease)}
.lazy-bg.error{background:#5e6870}
@keyframes lzShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@media(prefers-reduced-motion:reduce){.lazy-bg:not(.loaded){animation:none;background:#eaecef}}

/* ─── LIGHTBOX ─── */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(10,10,10,.96);display:none;opacity:0;transition:opacity .35s var(--ease);backdrop-filter:blur(8px)}
.lightbox.open{display:flex;opacity:1}
.lightbox.open .lb-image-wrap{transform:scale(1);opacity:1}
.lb-image-wrap{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:80px 100px 140px;transform:scale(.96);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease)}
@media(max-width:768px){.lb-image-wrap{padding:70px 20px 140px}}
.lb-image{max-width:100%;max-height:100%;background-size:contain;background-position:center;background-repeat:no-repeat;width:100%;height:100%;border-radius:2px}
.lb-close{position:absolute;top:24px;right:32px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15);cursor:pointer;font-size:24px;font-weight:300;display:flex;align-items:center;justify-content:center;transition:all .25s var(--ease);z-index:10}
.lb-close:hover{background:var(--red);border-color:var(--red);transform:rotate(90deg)}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15);cursor:pointer;font-size:28px;font-weight:300;display:flex;align-items:center;justify-content:center;transition:all .25s var(--ease);z-index:10}
.lb-prev{left:32px}.lb-next{right:32px}
.lb-prev:hover,.lb-next:hover{background:var(--red);border-color:var(--red)}
@media(max-width:768px){.lb-prev{left:12px}.lb-next{right:12px}.lb-prev,.lb-next{width:44px;height:44px;font-size:22px}.lb-close{top:14px;right:14px;width:40px;height:40px;font-size:22px}}
.lb-info{position:absolute;bottom:0;left:0;right:0;padding:24px 100px 28px;background:linear-gradient(0deg,rgba(10,10,10,.95) 0%,rgba(10,10,10,.6) 70%,transparent 100%);color:#fff;z-index:5}
@media(max-width:768px){.lb-info{padding:20px 20px 24px}}
.lb-info-inner{max-width:1200px;margin:0 auto;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.lb-info-left{flex:1;min-width:280px}
.lb-tag{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:#fff;opacity:.85;margin-bottom:8px;font-weight:500}
.lb-tag::before{content:'● ';color:var(--red);margin-right:4px}
.lb-title{font-size:clamp(20px,2.5vw,28px);color:#fff;font-weight:600;margin-bottom:6px;line-height:1.25}
.lb-meta{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.04em;line-height:1.5}
.lb-counter{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:500;white-space:nowrap;padding-bottom:4px}
.lb-counter b{color:#fff;font-weight:600}
.card,.lightbox-on{cursor:pointer}
body.lb-locked{overflow:hidden}
@media(prefers-reduced-motion:reduce){.lightbox,.lb-image-wrap{transition:none}}

/* ─── FOOTER (shared base) ─── */
footer{padding:70px 0 30px;background:var(--charcoal);color:rgba(255,255,255,.7)}
/* .foot-grid columns set per-page */
.foot-grid{margin-bottom:50px;display:grid;gap:40px}
.foot-brand{font-size:22px;color:#fff;margin-bottom:14px;font-weight:600}
.foot-brand span{color:var(--red)}
.foot-desc{font-size:13px;max-width:360px;line-height:1.6}
.foot-col h4{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:600}
.foot-col a{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{padding-top:30px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;color:rgba(255,255,255,.5)}

/* ─── CONTACT FORM : consentement RGPD + statut ─── */
.cf-consent{display:flex;align-items:flex-start;gap:10px;font-size:12px;line-height:1.5;color:var(--slate-dk);letter-spacing:.01em;cursor:pointer}
.cf-consent input[type="checkbox"]{flex-shrink:0;width:16px;height:16px;margin-top:2px;accent-color:var(--red);cursor:pointer}
.cf-consent a{color:var(--red);border-bottom:1px solid var(--red)}
.cf-status{font-size:13px;line-height:1.5;padding:14px 16px;border-radius:2px;margin:0}
.cf-status[hidden]{display:none}
.cf-status.is-ok{background:#eef7f0;color:#1d7a3e;border:1px solid #bfe3cb}
.cf-status.is-error{background:#fdf0f0;color:#b3201f;border:1px solid #f0c4c4}

/* ─── REVEAL ANIMATION (used by projets.html) ─── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ═══════════════════════════════════════════════════════════
   GALLERY LIGHTBOX (slideshow projets) — partagé index + projets
═══════════════════════════════════════════════════════════ */
.card[data-gallery]{cursor:pointer}
.card[data-gallery]::after{content:'';position:absolute;inset:0;background:rgba(20,20,22,0);transition:background .25s ease;pointer-events:none;z-index:1}
.card[data-gallery]:hover::after{background:rgba(20,20,22,.18)}
.card[data-gallery] .card-img::after{content:'▶';position:absolute;bottom:14px;right:14px;width:38px;height:38px;border-radius:50%;background:rgba(20,20,22,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;letter-spacing:.04em;opacity:0;transform:translateY(8px);transition:all .3s ease;z-index:2}
.card[data-gallery]:hover .card-img::after{opacity:1;transform:translateY(0);background:var(--red, #ec1e28)}
.card[data-gallery] .card-img::before{content:attr(data-count) ' photos';position:absolute;bottom:18px;right:60px;color:#fff;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;text-shadow:0 1px 4px rgba(0,0,0,.5);opacity:0;transform:translateY(8px);transition:all .3s ease;z-index:2}
.card[data-gallery]:hover .card-img::before{opacity:1;transform:translateY(0)}

.gal-modal{position:fixed;inset:0;z-index:9998;background:rgba(8,8,10,.96);display:none;flex-direction:column;opacity:0;transition:opacity .3s ease}
.gal-modal.is-open{display:flex;opacity:1}
body.gal-open{overflow:hidden}
.gal-bar{display:flex;justify-content:space-between;align-items:center;padding:18px 28px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.gal-title{font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:500}
.gal-title em{font-style:normal;color:rgba(255,255,255,.5);margin-left:12px;letter-spacing:.18em}
.gal-counter{font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums}
.gal-close{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;line-height:1;transition:all .2s ease;font-family:inherit}
.gal-close:hover{background:#fff;color:#000;border-color:#fff}
.gal-stage{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:24px 80px;min-height:0}
.gal-stage img{max-width:100%;max-height:100%;object-fit:contain;display:block;box-shadow:0 30px 80px rgba(0,0,0,.6);transition:opacity .25s ease}
.gal-stage img.loading{opacity:.2}
.gal-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all .25s ease;font-family:inherit;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.gal-nav:hover{background:var(--red, #ec1e28);border-color:var(--red, #ec1e28);transform:translateY(-50%) scale(1.08)}
.gal-nav.prev{left:18px}
.gal-nav.next{right:18px}
.gal-nav[disabled]{opacity:.25;cursor:not-allowed;pointer-events:none}
.gal-thumbs{padding:14px 22px 18px;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:8px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.25) transparent}
.gal-thumbs::-webkit-scrollbar{height:6px}
.gal-thumbs::-webkit-scrollbar-thumb{background:rgba(255,255,255,.25);border-radius:3px}
.gal-thumb{flex:0 0 84px;height:56px;border:0;padding:0;background:#000 center/cover no-repeat;cursor:pointer;opacity:.45;transition:all .2s ease;outline:2px solid transparent;outline-offset:2px}