/* ============================================
   ARNAUD FARRÉ — v2
   Design system : studio épuré, header fixe, grand espace négatif
   (inspiré de la sobriété d'un site d'agence type unit.paris)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root{
  --bg:      #0a0a0a;
  --bg-alt:  #141414;
  --line:    #262626;
  --text:    #f2f2f0;
  --text-dim:#8f8f8c;
  --accent:  #e8432b;

  --font: 'Archivo', sans-serif;
  --content-max: 1320px;
  --header-h: 88px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:var(--header-h); font-size:17.5px; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background:var(--accent); color:var(--bg); }
a:focus-visible, button:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---------- Header (fixe, style agence) ---------- */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  height:var(--header-h);
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  transition:background-color .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,10,10,0.97);
  border-bottom-color:var(--line);
}
.brand{
  font-weight:600;
  font-size:1.05rem;
  letter-spacing:-0.01em;
}
.main-nav{
  display:flex;
  gap:36px;
  list-style:none;
  margin:0; padding:0;
}
.main-nav a{
  font-size:0.92rem;
  color:var(--text-dim);
  position:relative;
  padding-bottom:4px;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px;
  background:var(--accent);
  transition:right .25s ease;
}
.main-nav a:hover{ color:var(--text); }
.main-nav a:hover::after{ right:0; }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line); color:var(--text);
  font-family:var(--font); font-size:0.85rem;
  padding:8px 14px;
  cursor:pointer;
}
@media (max-width:840px){
  .site-header{ padding:0 20px; }
  .main-nav{
    position:fixed; inset:0 0 0 auto;
    width:min(78vw,320px);
    height:100vh;
    background:var(--bg-alt);
    flex-direction:column;
    justify-content:center;
    gap:28px;
    padding:0 36px;
    transform:translateX(100%);
    transition:transform .3s ease;
    border-left:1px solid var(--line);
  }
  .main-nav.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
}
.hero video{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  opacity:0.9;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(to top, var(--bg) 0%, rgba(10,10,10,0.08) 55%, rgba(10,10,10,0.15) 100%);
}
.hero-content{
  position:relative; z-index:2;
  max-width:var(--content-max);
  margin:0 auto;
  width:100%;
  padding:0 40px 88px;
}
.hero-content .role{
  color:var(--text);
  font-size:1.05rem;
  margin-bottom:18px;
}
.hero-content h1{
  font-weight:700;
  font-size:clamp(2.6rem, 7vw, 5.4rem);
  line-height:0.98;
  letter-spacing:-0.02em;
  color:var(--heading);
  margin:0 0 24px;
  white-space:pre-line;
}
.hero-content p{
  max-width:620px;
  color:var(--text);
  font-size:1.05rem;
}

/* ---------- Section label ---------- */
.section-label{
  max-width:var(--content-max);
  margin:0 auto;
  padding:120px 40px 0;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  border-top:1px solid var(--line);
}
.section-label h2{
  font-weight:600;
  font-size:clamp(1.8rem, 3.2vw, 2.6rem);
  letter-spacing:-0.01em;
  margin:32px 0 0;
  color:var(--heading);
}
.section-label .count{
  font-size:0.85rem;
  color:var(--text-dim);
  margin-top:32px;
}

section{ padding-bottom:40px; }
.section-inner{
  max-width:var(--content-max);
  margin:0 auto;
  padding:48px 40px 0;
}

/* ---------- Moi ---------- */
.moi-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:64px;
}
@media (max-width:820px){ .moi-grid{ grid-template-columns:1fr; gap:40px; } }
.moi-text p{ font-size:1.15rem; max-width:56ch; color:var(--text); }
.moi-facts{ display:flex; flex-direction:column; gap:20px; }
.moi-facts div{ border-top:1px solid var(--line); padding-top:14px; }
.moi-facts dt{ color:var(--text-dim); font-size:0.82rem; margin-bottom:4px; }
.moi-facts dd{ margin:0; font-size:1rem; }
.moi-fact-detail{ margin:6px 0 0; font-size:0.72rem; color:var(--text-dim); line-height:1.5; }
.tools-list{
  display:flex; flex-wrap:wrap;
  margin-top:28px; padding:0; list-style:none;
  font-size:0.85rem; color:var(--text-dim);
}
.tools-list li{ padding:0; }
.tools-list li:not(:last-child)::after{
  content:"·";
  margin:0 10px;
  color:var(--line);
}

/* ---------- Portfolio grid (studio, image-first) ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:48px 32px;
  margin-top:56px;
}
@media (max-width:960px){ .grid{ grid-template-columns:repeat(2,1fr); gap:40px 24px;} }
@media (max-width:600px){ .grid{ grid-template-columns:1fr; } }
.grid.grid-2col{ grid-template-columns:repeat(2, 1fr); }
@media (max-width:600px){ .grid.grid-2col{ grid-template-columns:1fr; } }

.card{ cursor:pointer; background:none; border:none; padding:0; display:block; width:100%; text-align:left; }
.card-media{
  position:relative;
  overflow:hidden;
  background:var(--bg-alt);
}
.card-media img{
  width:100%; height:auto; display:block;
  transition:transform .6s cubic-bezier(.2,.7,.2,1), opacity .3s ease;
}
.card:hover .card-media img{ transform:scale(1.02); opacity:0.92; }

.video-badge{
  position:absolute;
  top:10px; right:10px;
  width:16px; height:16px;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
  z-index:2;
  opacity:1;
  transition:opacity .2s ease;
  filter:drop-shadow(0 0 2px rgba(0,0,0,0.6));
}
.video-badge svg{
  width:14px; height:14px;
  fill:#d9fb5f;
}
.card:hover .video-badge,
.photo-cell[data-video]:hover .video-badge{ opacity:0; }

.play-flag{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  opacity:0;
  transition:opacity .25s ease;
  background:rgba(10,10,10,0.3);
}
.play-flag .play-btn{
  width:60px; height:60px;
  border-radius:50%;
  background:transparent;
  border:1.5px solid var(--accent);
  display:flex; align-items:center; justify-content:center;
  transition:transform .25s ease, border-color .25s ease;
}
.play-flag .play-btn svg{
  width:20px; height:20px;
  margin-left:3px;
  fill:var(--accent);
}
.card:hover .play-flag{ opacity:1; }
.photo-cell[data-video]:hover .play-flag{ opacity:1; }
.card:hover .play-flag .play-btn,
.photo-cell[data-video]:hover .play-flag .play-btn{
  transform:scale(1.08);
}

.card-caption{
  margin-top:14px;
  display:flex;
  justify-content:space-between;
  gap:12px;
}
.card-caption .proj{ font-weight:500; font-size:0.9rem; }
.card-caption .client{ font-size:0.76rem; color:var(--text-dim); text-align:right; white-space:nowrap; }

/* Lab feature (large editorial rows) */
.lab-feature{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
  border-top:1px solid var(--line);
}
.lab-feature:first-of-type{ border-top:none; padding-top:0; }
.lab-feature:nth-of-type(even) .lab-feature-media{ order:2; }
@media (max-width:820px){
  .lab-feature{ grid-template-columns:1fr; gap:28px; }
  .lab-feature:nth-of-type(even) .lab-feature-media{ order:0; }
}
.lab-feature-block{ margin-bottom:56px; }
.project-divider{ height:1px; background:var(--line); margin:56px 0; }
.lab-feature-text .tag{
  color:var(--accent);
  font-size:1.05rem;
  font-weight:700;
  display:block;
  margin-bottom:12px;
}
.lab-feature-text p{ color:var(--text-dim); font-size:0.92rem; }

/* Galeries multi-lignes (cadrage naturel, pas de crop carré) */
.lab-feature-gallery{ display:grid; gap:6px; }
.lab-feature-gallery img{ width:100%; height:auto; display:block; }
.gallery-row-2{ grid-template-columns:repeat(2,1fr); }
.gallery-row-3{ grid-template-columns:repeat(3,1fr); }
.gallery-row-4{ grid-template-columns:repeat(4,1fr); }

/* Mosaïque section IA (2x2 + portrait droite, façon maquette) */
.ia-gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(2,1fr);
  gap:4px;
  aspect-ratio:2.55/1;
}
.ia-gallery img{ width:100%; height:100%; object-fit:cover; display:block; }
.ia-gallery .tall{ grid-row:1 / span 2; }
@media (max-width:700px){
  .ia-gallery{ grid-template-columns:repeat(2,1fr); grid-template-rows:repeat(3,1fr); aspect-ratio:1.4/1; }
  .ia-gallery .tall{ grid-row:auto; grid-column:1 / span 2; }
}
.ia-text{ margin-top:32px; }
.ia-text .tag{ color:var(--accent); font-size:1.05rem; font-weight:700; display:block; margin-bottom:12px; }
.ia-text p{ color:var(--text-dim); font-size:0.92rem; }

/* ---------- Système de grilles à ratios fixes (réutilisable, remplacement d'image sans bug) ---------- */
.photo-grid{ display:grid; gap:4px; margin-bottom:4px; }
.photo-grid.cols-1{ grid-template-columns:1fr; }
.photo-grid.cols-2{ grid-template-columns:repeat(2,1fr); }
.photo-grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.photo-grid.cols-4{ grid-template-columns:repeat(4,1fr); }
.photo-cell{ position:relative; overflow:hidden; background:var(--bg-alt); }
.photo-caption{
  position:absolute;
  max-width:calc(100% - 24px);
  padding:6px 11px;
  background:rgba(0,0,0,0.55);
  color:#fff;
  font-family:var(--font);
  font-size:0.68rem;
  line-height:1.3;
  pointer-events:none;
}
.photo-caption.pos-top-left{ top:12px; left:12px; }
.photo-caption.pos-top-right{ top:12px; right:12px; text-align:right; }
.photo-caption.pos-bottom-left{ bottom:12px; left:12px; }
.photo-caption.pos-bottom-right{ bottom:12px; right:12px; text-align:right; }
.photo-caption.pos-center{ top:50%; left:50%; transform:translate(-50%,-50%); text-align:center; }
.photo-cell img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .35s ease; }
.photo-cell video{ width:100%; height:100%; object-fit:cover; display:block; }
.photo-cell[data-gallery]:hover img,
.photo-cell[data-video]:hover img{ transform:scale(1.03); }
.photo-grid.ar-portrait .photo-cell{ aspect-ratio:2/3; }
.photo-grid.ar-wide .photo-cell{ aspect-ratio:16/9; }
.photo-grid.ar-9-16 .photo-cell{ aspect-ratio:9/16; }

/* Diaporama (mode alternatif à la grille pour un bloc d'images) */
.diaporama{ position:relative; overflow:hidden; border-radius:4px; background:var(--bg-alt); aspect-ratio:16/9; margin-bottom:4px; cursor:pointer; }
.diaporama-track{ position:relative; width:100%; height:100%; }
.diaporama-slide{ position:absolute; inset:0; opacity:0; transition:opacity .4s ease; pointer-events:none; }
.diaporama-slide.active{ opacity:1; pointer-events:auto; }
.diaporama-slide img{ width:100%; height:100%; object-fit:cover; display:block; }
.diaporama-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:36px; height:36px; border-radius:50%;
  border:1px solid #d9fb5f; background:rgba(10,10,10,0.45);
  color:#d9fb5f; font-size:1.3rem; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center; z-index:2;
}
.diaporama-arrow.prev{ left:12px; }
.diaporama-arrow.next{ right:12px; }
.diaporama-dots{ position:absolute; bottom:12px; left:50%; transform:translateX(-50%); display:flex; gap:6px; z-index:2; }
.diaporama-dot{ width:7px; height:7px; border-radius:50%; background:rgba(217,251,95,0.4); cursor:pointer; border:none; padding:0; }
.diaporama-dot.active{ background:#d9fb5f; }
.photo-grid.ar-medium .photo-cell{ aspect-ratio:3/2; }
.photo-grid.ar-standard .photo-cell{ aspect-ratio:4/3; }
@media (max-width:700px){
  .photo-grid.cols-4{ grid-template-columns:repeat(2,1fr); }
  .photo-grid.cols-3{ grid-template-columns:repeat(2,1fr); }
}

/* ---------- Modal vidéo ---------- */
.video-modal{
  position:fixed; inset:0;
  background:rgba(10,10,10,0.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  display:none;
  align-items:center; justify-content:center;
  z-index:1000;
  padding:24px;
}
.video-modal.open{ display:flex; }
.video-modal-inner{
  position:relative;
  width:100%; max-width:1400px;
  aspect-ratio:16/9;
  background:#000;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
}
.video-modal-inner iframe{ width:100%; height:100%; border:0; }
.video-modal-close{
  position:absolute; top:-40px; right:0;
  background:none; border:none; color:var(--text);
  font-family:var(--font); font-size:0.85rem; font-weight:600;
  cursor:pointer;
}

/* ---------- Lightbox photo (avec flèches) ---------- */
.photo-modal{
  position:fixed; inset:0;
  background:rgba(10,10,10,0.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  display:none;
  align-items:center; justify-content:center;
  z-index:1000;
  padding:24px;
}
.photo-modal.open{ display:flex; }
.photo-modal-img{
  max-width:min(1400px, 90vw);
  max-height:85vh;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
  display:block;
}
.photo-modal-close{
  position:absolute; top:24px; right:24px;
  background:none; border:none; color:var(--text);
  font-family:var(--font); font-size:0.85rem; font-weight:600;
  cursor:pointer;
}
.photo-modal-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:52px; height:52px;
  border-radius:50%;
  background:transparent;
  border:1.5px solid var(--accent);
  color:var(--accent);
  font-size:1.6rem;
  line-height:1;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:transform .2s ease;
}
.photo-modal-arrow:hover{ transform:translateY(-50%) scale(1.08); }
.photo-modal-prev{ left:24px; }
.photo-modal-next{ right:24px; }
@media (max-width:700px){
  .photo-modal-arrow{ width:42px; height:42px; font-size:1.3rem; }
  .photo-modal-prev{ left:8px; }
  .photo-modal-next{ right:8px; }
}

/* ---------- Farreway ---------- */
.farreway-panel{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:56px;
  align-items:center;
  padding-top:8px;
}
@media (max-width:820px){ .farreway-panel{ grid-template-columns:1fr; } }
.farreway-panel p{ color:var(--text-dim); font-size:0.92rem; }
.farreway-links{
  display:flex; flex-wrap:wrap; gap:12px;
  margin-top:24px; padding:0; list-style:none;
}
.farreway-links a{
  font-size:0.85rem;
  border:1px solid var(--line);
  padding:8px 14px;
  border-radius:100px;
  color:#f2f2f0;
  transition:border-color .15s ease, color .15s ease;
}
.farreway-links a:hover{ border-color:var(--hover-color, var(--accent)); color:var(--hover-color, var(--accent)); }

/* ---------- Contact / footer ---------- */
.contact-block h3{
  font-weight:600;
  font-size:clamp(2rem, 5vw, 3.4rem);
  letter-spacing:-0.01em;
  max-width:15ch;
  color:var(--heading);
  margin:32px 0 40px;
}
.contact-cta{
  display:flex; flex-wrap:wrap;
  gap:32px; align-items:baseline;
  font-size:1.1rem;
}
.contact-cta a{ border-bottom:1px solid var(--accent); padding-bottom:2px; }
.contact-cta a:hover{ color:var(--accent); }

footer{
  border-top:1px solid var(--line);
  margin-top:80px;
  padding:24px 40px;
  max-width:var(--content-max);
  margin-left:auto; margin-right:auto;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:0.8rem; color:var(--text-dim);
}
.social-row{ display:flex; flex-wrap:wrap; gap:12px; }
.social-row a{
  font-size:0.85rem;
  border:1px solid var(--line);
  padding:8px 16px;
  border-radius:100px;
  color:#f2f2f0;
  transition:color .15s ease, border-color .15s ease;
}
.social-row a:hover{ color:var(--hover-color, var(--accent)); border-color:var(--hover-color, var(--accent)); }

/* Entrance */
.hero-content{ animation:rise .8s ease both; animation-delay:.1s; }
@keyframes rise{ from{ opacity:0; transform:translateY(16px);} to{ opacity:1; transform:translateY(0);} }