/* ============================================================
   Portfolio Fatoumata Diarietou Ndiaye — charte éditoriale immersive
   ============================================================ */
:root{
  --paper:#FAF8F4; --ink:#17130E; --muted:#8B8378; --line:#E4DED4;
  --terra:#C8613B; --gold:#C79A3C; --card:#F1ECE2; --accent:var(--terra);
  --serif:'Fraunces',Georgia,serif; --sans:'Inter',system-ui,sans-serif;
  --pad:clamp(1.25rem,5vw,6rem);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.02;letter-spacing:-.01em}
em{font-style:italic}

/* --- Grain immersif global --- */
body::after{content:"";position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.05;mix-blend-mode:multiply;
  background-image: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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* --- Barre de progression scroll --- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--terra);z-index:200;transition:width .1s linear}

/* --- Nav --- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem var(--pad);transition:background .4s,padding .4s,box-shadow .4s}
.nav--scrolled,.nav--solid{background:rgba(250,248,244,.9);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);padding:.8rem var(--pad)}
.nav__brand{font-family:var(--serif);font-size:1.15rem;letter-spacing:-.01em}
.nav__links{display:flex;gap:2rem;align-items:center;font-size:.9rem}
.nav__links a{position:relative;color:var(--ink);opacity:.85}
.nav__links a:hover{opacity:1}
.nav__cta{border:1px solid var(--ink);border-radius:100px;padding:.45rem 1.1rem}
.nav__cta:hover{background:var(--ink);color:var(--paper)}
.nav__burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer}
.nav__burger span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* --- Boutons + liens animés --- */
.btn{display:inline-block;font-size:.9rem;letter-spacing:.02em;border-radius:100px;padding:.85rem 1.7rem;
  transition:transform .25s,background .25s,color .25s;cursor:pointer;font-family:var(--sans)}
.btn--ghost{border:1px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn--solid{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn--solid:hover{background:var(--terra);border-color:var(--terra);transform:translateY(-2px)}

.section-label{display:inline-block;font-family:var(--sans);font-size:.72rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--terra);margin-bottom:1.1rem}

/* --- HERO : nom géant + portrait à droite --- */
.hero{min-height:100svh;display:grid;grid-template-columns:1.25fr 1fr;align-items:center;
  gap:clamp(.75rem,2vw,2rem);padding:8rem var(--pad) 3rem;position:relative}
.hero__left{position:relative;z-index:2}
.hero__meta{display:flex;justify-content:space-between;max-width:34rem;font-size:.78rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1.2rem;margin-bottom:1.8rem;gap:1rem}
.hero__title{font-size:clamp(2.4rem,6.4vw,5.6rem);font-weight:400;letter-spacing:-.02em}
.hero__title span{display:block;overflow:hidden}
.hero__title-accent{font-style:italic;color:var(--terra)}
.hero__foot{display:flex;flex-direction:column;align-items:flex-start;gap:1.4rem;margin-top:2.5rem;max-width:34rem}
.hero__role{font-size:1.05rem;color:var(--muted);max-width:26ch}
.hero__role em{color:var(--ink)}
.hero__right{position:relative;z-index:1}
.hero__portrait{position:relative;width:min(100%,450px);margin-left:0;margin-right:auto;aspect-ratio:3/4;overflow:visible}
.hero__portrait::before{content:"";position:absolute;inset:0;transform:translate(18px,18px);background:var(--terra);border-radius:4px;z-index:0}
.hero__img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;border-radius:4px;
  box-shadow:0 24px 60px rgba(23,19,14,.18)}

/* --- Marquee --- */
.marquee{border-block:1px solid var(--line);overflow:hidden;white-space:nowrap;background:var(--ink);color:var(--paper)}
.marquee__track{display:inline-flex;align-items:center;gap:2.2rem;padding:1rem 0;animation:scrollx 26s linear infinite;font-family:var(--serif);font-size:1.6rem;font-style:italic}
.marquee__dot{color:var(--terra);font-size:.8rem}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* --- ABOUT --- */
.about{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(2rem,6vw,6rem);padding:clamp(4rem,10vw,9rem) var(--pad);align-items:center}
.about__img{overflow:hidden;border-radius:6px}
.about__portrait{width:100%;object-fit:cover;filter:grayscale(.2)}
.about__text h2{font-size:clamp(1.8rem,4vw,3rem);margin-bottom:1.4rem}
.about__text p{color:#3c352c;margin-bottom:1.1rem;max-width:52ch}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.8rem}
.chips li{border:1px solid var(--ink);border-radius:100px;padding:.4rem 1rem;font-size:.82rem;letter-spacing:.02em}

/* --- STATEMENT --- */
.statement{padding:clamp(4rem,12vw,10rem) var(--pad);border-block:1px solid var(--line)}
.statement p{font-family:var(--serif);font-size:clamp(1.8rem,6vw,5rem);line-height:1.06;letter-spacing:-.02em;max-width:22ch}
.statement em{color:var(--terra)}

/* --- SHOWCASE : une bande par projet --- */
.showcase{padding:clamp(3rem,7vw,6rem) var(--pad) 0}
.showcase__head{margin-bottom:1rem}
.showcase__head h2{font-size:clamp(2.2rem,6vw,4.5rem)}
.band{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(1.5rem,5vw,5rem);
  min-height:76svh;padding:clamp(2rem,5vw,4rem) 0;border-bottom:1px solid var(--line);position:relative}
.band:nth-child(even) .band__media{order:2}
.band__media{position:relative;overflow:hidden;border-radius:6px;background:var(--card);aspect-ratio:4/5;
  max-height:76svh;margin-inline:auto;width:100%}
.band__img{position:absolute;top:-9%;left:0;width:100%;height:118%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.band:hover .band__img{transform:scale(1.05)}
/* Cover paysage : image entière, sans recadrage ni parallax */
.band__media--fit{aspect-ratio:auto;max-height:none;overflow:visible;background:transparent;border-radius:0}
.band__media--fit .band__img{position:static;width:100%;height:auto;top:auto;border-radius:6px;
  box-shadow:0 20px 50px rgba(23,19,14,.12)}
.band:hover .band__media--fit .band__img{transform:scale(1.02)}
.band__info{position:relative}
.band__num{position:absolute;top:-4.5rem;left:-.5rem;font-family:var(--serif);font-size:clamp(4rem,10vw,9rem);
  color:transparent;-webkit-text-stroke:1px var(--line);z-index:0;pointer-events:none;line-height:1}
.band__info .section-label{color:var(--accent);position:relative;z-index:1}
.band__info h3{font-size:clamp(2rem,5vw,4rem);position:relative;z-index:1;margin-bottom:.6rem}
.band__info p{color:#3c352c;max-width:42ch;position:relative;z-index:1;margin-bottom:1.4rem}
.band__link{position:relative;z-index:1;font-size:.95rem;color:var(--ink);background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;padding-bottom:3px;transition:background-size .45s cubic-bezier(.2,.7,.2,1),color .3s}
.band:hover .band__link{background-size:100% 1px;color:var(--accent)}
/* Projet mis en avant : pleine largeur, image dominante, numéro teinté */
.band--featured{grid-template-columns:1fr;gap:2rem;min-height:auto;padding-top:1rem}
.band--featured .band__media{box-shadow:0 30px 70px rgba(23,19,14,.16)}
.band--featured .band__num{position:static;display:inline-block;margin-bottom:.4rem;
  -webkit-text-stroke:1.5px var(--accent);font-size:clamp(3rem,7vw,6rem)}
.band--featured .band__info{display:grid;grid-template-columns:1.15fr 1fr;gap:.4rem 3rem;align-items:center}
.band--featured .band__info h3{font-size:clamp(2.4rem,6vw,4.6rem)}
.band--featured .band__info p{max-width:48ch}

/* --- SERVICES --- */
.services{padding:clamp(3rem,8vw,7rem) var(--pad);background:var(--ink);color:var(--paper)}
.services__head{margin-bottom:2.5rem}
.services__head .section-label{color:var(--gold)}
.services__head h2{font-size:clamp(2.2rem,6vw,4.5rem)}
.services__list{border-top:1px solid rgba(255,255,255,.14)}
.srv{display:grid;grid-template-columns:auto 1fr;gap:clamp(1rem,4vw,4rem);align-items:start;
  padding:2rem 0;border-bottom:1px solid rgba(255,255,255,.14);transition:padding-left .4s}
.srv:hover{padding-left:1rem}
.srv__num{font-family:var(--serif);font-size:1.1rem;color:var(--gold)}
.srv__body h3{font-size:clamp(1.4rem,3.5vw,2.4rem);color:var(--paper);margin-bottom:.5rem}
.srv__body p{color:rgba(250,248,244,.66);max-width:60ch}

/* --- CONTACT --- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);padding:clamp(4rem,9vw,8rem) var(--pad)}
.contact__left h2{font-size:clamp(2rem,5vw,3.6rem);margin-bottom:1.3rem}
.contact__left p{color:#3c352c;max-width:42ch;margin-bottom:1.8rem}
.contact__coords{list-style:none;font-size:1.05rem;margin-bottom:1.6rem}
.contact__coords li{padding:.35rem 0;border-bottom:1px solid var(--line)}
.contact__coords a:hover{color:var(--terra)}
.contact__social{display:flex;flex-wrap:wrap;gap:1.2rem;font-size:.9rem}
.contact__social a{border-bottom:1px solid var(--terra);padding-bottom:2px}
.contact__social a:hover{color:var(--terra)}
.form{display:flex;flex-direction:column;gap:1rem}
.form label{display:flex;flex-direction:column;gap:.4rem;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.form input,.form textarea{font-family:var(--sans);font-size:1rem;color:var(--ink);background:transparent;
  border:1px solid var(--line);border-radius:6px;padding:.8rem .9rem;transition:border .25s}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--ink)}
.form textarea{resize:vertical}
.form .btn{align-self:flex-start;margin-top:.4rem}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.alert{padding:.9rem 1.1rem;border-radius:6px;margin-bottom:1.2rem;font-size:.95rem}
.alert--ok{background:#e9f3ea;color:#255e33;border:1px solid #bcdcc2}
.alert--err{background:#fbece7;color:#9a3417;border:1px solid #f0c6b8}

/* --- FOOTER --- */
.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;padding:2.4rem var(--pad);
  border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
.footer p:first-child{font-family:var(--serif);color:var(--ink);font-size:1rem}

/* --- PROJET (case study) redesign --- */
.proj{padding-top:0}
.proj .section-label{color:var(--accent)}
.proj__back{color:var(--muted);font-size:.88rem;display:inline-block;margin-bottom:2.4rem;transition:color .3s}
.proj__back:hover{color:var(--accent)}

/* Hero étude de cas : gros numéro + titre */
.case__hero{padding:8.5rem var(--pad) 2.5rem;max-width:1180px;position:relative}
.case__hero::after{content:"";position:absolute;left:var(--pad);right:var(--pad);bottom:0;height:3px;background:var(--accent);opacity:.9;max-width:120px}
.case__headline{display:flex;align-items:flex-start;gap:clamp(1rem,3vw,2.5rem)}
.case__num{font-family:var(--serif);font-size:clamp(3rem,9vw,7rem);line-height:.9;color:transparent;-webkit-text-stroke:1.5px var(--accent);flex:none}
.case__head-txt{flex:1}
.case__hero h1{font-size:clamp(2.6rem,8vw,6rem);letter-spacing:-.02em}
.case__summary{font-size:clamp(1.15rem,2.4vw,1.7rem);color:#2f2921;max-width:34ch;margin:1.6rem 0 0;
  font-family:var(--serif);font-style:italic;border-left:2px solid var(--accent);padding-left:1.2rem}
.case__facts{display:flex;flex-wrap:wrap;gap:2.5rem 3.5rem;margin-top:2.6rem;padding-top:1.8rem}
.case__facts span{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.case__facts strong{font-family:var(--serif);font-weight:400;font-size:1.15rem}

/* Intro */
.case__intro{display:grid;grid-template-columns:minmax(0,180px) 1fr;gap:clamp(1rem,4vw,4rem);
  padding:clamp(2.5rem,6vw,5rem) var(--pad);max-width:1100px}
.case__intro-label{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);padding-top:.5rem}
.case__intro p{font-size:clamp(1.1rem,1.6vw,1.35rem);line-height:1.65;color:#2f2921;max-width:60ch}

/* Galerie : images entières, aucune coupe, ratio respecté */
.case__gallery{display:flex;flex-direction:column;align-items:center;gap:clamp(2.5rem,6vw,6rem);padding:1rem var(--pad) 2rem}
.case__item{width:100%;max-width:1080px}
.case__item.is-portrait{max-width:600px}
.case__item.is-square{max-width:760px}
.case__img{width:100%;height:auto;border-radius:8px;background:var(--card);box-shadow:0 24px 60px rgba(23,19,14,.12)}
.case__item figcaption{display:flex;align-items:baseline;gap:.8rem;font-size:.85rem;color:var(--muted);margin-top:1rem}
.case__cap-idx{font-family:var(--serif);color:var(--accent);font-size:.95rem}

/* Galerie mosaïque ludique : carrés + rectangles emboîtés, tailles aléatoires */
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:clamp(180px,21vw,300px);
  gap:clamp(.6rem,1.4vw,1.1rem);grid-auto-flow:dense;padding:0 var(--pad);max-width:1320px;margin-inline:auto}
.mtile{position:relative;overflow:hidden;border-radius:8px;border:0;padding:0;cursor:pointer;background:var(--card)}
.mtile__img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.mtile:hover .mtile__img{transform:scale(1.05)}
.mtile__cap{position:absolute;left:0;right:0;bottom:0;padding:.5rem .7rem;font-size:.72rem;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.55));opacity:0;transition:.3s;text-align:left}
.mtile:hover .mtile__cap{opacity:1}
@media(max-width:900px){.mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(180px,30vw,260px)}}
@media(max-width:560px){.mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(140px,40vw,210px)}}

/* Lightbox plein écran : image entière, jamais rognée */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(15,12,9,.94);display:none;
  align-items:center;justify-content:center;padding:3vw}
.lightbox.open{display:flex}
.lightbox__img{max-width:92vw;max-height:88vh;width:auto;height:auto;object-fit:contain;
  border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox__cap{position:absolute;bottom:2vh;left:0;right:0;text-align:center;color:#fff;font-size:.9rem;opacity:.85}
.lightbox__close,.lightbox__nav{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;cursor:pointer;
  border-radius:100px;width:48px;height:48px;font-size:1.4rem;backdrop-filter:blur(4px)}
.lightbox__close{top:3vh;right:3vw}
.lightbox__nav{top:50%;transform:translateY(-50%)}
.lightbox__nav--prev{left:2vw}
.lightbox__nav--next{right:2vw}
@media(prefers-reduced-motion:reduce){
  .mtile__img,.mtile:hover .mtile__img{transition:none;transform:none}
}

/* Projet suivant : aperçu au survol */
.case__next{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem;
  padding:clamp(3rem,7vw,6rem) var(--pad);margin-top:2rem;border-top:1px solid var(--line);background:var(--card)}
.case__next-txt span{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.case__next-txt strong{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,6vw,4.2rem);margin:.3rem 0 .6rem;transition:color .3s}
.case__next-txt em{font-style:normal;font-size:.9rem;color:var(--accent);opacity:0;transform:translateX(-6px);transition:.35s;display:inline-block}
.case__next:hover .case__next-txt strong{color:var(--accent)}
.case__next:hover .case__next-txt em{opacity:1;transform:none}
.case__next-media{width:min(38vw,220px);aspect-ratio:4/3;overflow:hidden;border-radius:8px}
.case__next-img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.case__next:hover .case__next-img{transform:scale(1.06)}

.proj__cta{text-align:center;padding:clamp(3rem,8vw,7rem) var(--pad);background:var(--ink);color:var(--paper)}
.proj__cta h2{font-size:clamp(1.8rem,5vw,3.4rem);margin-bottom:1.8rem}

/* --- Page CV --- */
.cv__hero{padding:8.5rem var(--pad) 1.5rem;max-width:1100px}
.cv__hero h1{font-size:clamp(2.4rem,7vw,5rem);margin:.4rem 0 1.4rem}
.cv__actions{display:flex;flex-wrap:wrap;gap:1rem}
.cv__viewer{padding:1rem var(--pad) clamp(3rem,7vw,6rem)}
.cv__object{width:100%;height:min(88svh,1100px);border:1px solid var(--line);border-radius:8px;background:var(--card);box-shadow:0 24px 60px rgba(23,19,14,.12)}
.cv__fallback{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;
  min-height:40svh;text-align:center;color:var(--muted);padding:2rem}

/* --- 404 --- */
.page404{display:flex;align-items:center;justify-content:center;min-height:100vh;text-align:center}
.wrap404 h1{font-size:6rem;color:var(--terra)}
.wrap404 p{color:var(--muted);margin:.6rem 0 1.6rem}

/* --- Image cassée : fallback visible --- */
.img-broken{position:relative;min-height:180px;background:repeating-linear-gradient(45deg,#efe8dc,#efe8dc 12px,#e7dfd0 12px,#e7dfd0 24px)!important;filter:none!important}
.img-broken::after{content:'Visuel indisponible';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.8rem;letter-spacing:.1em}

/* --- Parallax --- */
.parallax-img{will-change:transform}

/* --- Reveal au scroll --- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal--d1{transition-delay:.09s}.reveal--d2{transition-delay:.18s}.reveal--d3{transition-delay:.27s}

/* --- Responsive --- */
@media(max-width:820px){
  .nav__links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);background:var(--paper);flex-direction:column;
    justify-content:center;gap:2rem;font-size:1.3rem;transform:translateX(100%);transition:transform .4s;box-shadow:-10px 0 40px rgba(0,0,0,.08)}
  .nav__links.open{transform:none}
  .nav__burger{display:flex}
  .hero{grid-template-columns:1fr;padding-top:7rem;gap:2.2rem}
  .hero__right{order:-1}
  .hero__portrait{width:68%;margin:0 0 0 auto}
  .hero__portrait::before{transform:translate(10px,10px)}
  .hero__title{font-size:clamp(3rem,15vw,6rem)}
  .hero__title-accent{margin-right:0}
  .hero__meta{max-width:none}
  .about{grid-template-columns:1fr}
  .band{grid-template-columns:1fr;min-height:auto;gap:1.5rem;padding:2.5rem 0}
  .band:nth-child(even) .band__media{order:0}
  .band__num{position:static;display:block;margin-bottom:.4rem;font-size:3rem}
  .band--featured .band__info{grid-template-columns:1fr;gap:.6rem}
  .contact{grid-template-columns:1fr}
  .case__intro{grid-template-columns:1fr;gap:.6rem}
  .case__next{grid-template-columns:1fr}
  .case__next-media{width:100%;max-width:280px;order:-1;margin-bottom:1rem}
  .case__num{font-size:3rem}
}
@media(max-width:520px){ .hero__meta{flex-direction:column;gap:.4rem} .hero__portrait{width:82%} }

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee__track{animation:none}
  .parallax-img{transform:none!important}
  html{scroll-behavior:auto}
}