/* ===================================================
   TOKENS
=================================================== */
:root{
  --bg: #FAFAF8;
  --ink: #1B1B1A;
  --muted: #6B6A63;
  --line: #E3E1D9;
  --accent: #3454D1;
  --accent-soft: #EDF0FC;

  --display: 'Fraunces', serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --wrap: 1180px;
  --pad: clamp(24px, 5vw, 64px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation: none !important; transition: none !important; }
}

a{ color: inherit; }
img{ max-width:100%; display:block; }

.grain{
  position:fixed; inset:0; pointer-events:none; z-index:2;
  opacity:.025; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================================================
   HEADER / NAV
=================================================== */
.site-header{
  position: sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding: 20px var(--pad);
  background: rgba(250,250,248,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.logo{
  font-family: var(--display);
  font-style: italic;
  font-size: 22px;
  text-decoration:none;
}
.site-nav{ display:flex; gap: 32px; }
.site-nav a{
  text-decoration:none;
  font-size: 14px;
  letter-spacing: .02em;
  position:relative;
  padding-bottom: 4px;
}
.site-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0;
  height:1px; background: var(--accent);
  transition: right .25s ease;
}
.site-nav a:hover::after{ right:0; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:8px;
}
.nav-toggle span{ width:22px; height:1.5px; background: var(--ink); }

/* ===================================================
   HERO
=================================================== */
.hero{
  padding: clamp(64px, 14vw, 160px) var(--pad) clamp(48px, 8vw, 96px);
  max-width: var(--wrap);
  margin: 0 auto;
}
.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 24px;
}
.hero h1{
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(56px, 12vw, 130px);
  line-height: .95;
  margin: 0 0 24px;
  letter-spacing: -.01em;
}
.hero h1 em{
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.hero-role{
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 32px;
}
.hero-intro{
  max-width: 46ch;
  font-size: 19px;
  margin: 0 0 40px;
}
.hero-scroll{
  display:inline-block;
  text-decoration:none;
  font-size: 14px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: border-color .2s, color .2s;
}
.hero-scroll:hover{ color: var(--accent); border-color: var(--accent); }

/* ===================================================
   SHARED SECTION HEAD
=================================================== */
section, .contact{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(56px, 10vw, 96px) var(--pad);
  border-top: 1px solid var(--line);
}
.section-head{
  display:flex; align-items:baseline; gap:16px;
  margin-bottom: clamp(32px, 6vw, 56px);
}
.tag{
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}
.section-head h2{
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 40px);
  margin: 0;
}

/* ===================================================
   TRAVAUX / GALLERY
=================================================== */
.album-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
}
.album{
  margin:0; background: var(--bg);
  position:relative;
}
.album-cover{
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.album-cover img{
  display: block;
  width:100%;
  height:240px;
  object-fit:cover;
  transition: opacity .2s ease;
}
.album-cover:hover img{ opacity: .82; }
.album-cover:focus-visible{ outline: 2px solid var(--accent); outline-offset: 4px; }
.album figcaption{
  display:flex; align-items:baseline; gap:10px; flex-wrap: wrap;
  padding: 12px 0 0;
  color: var(--muted);
}
.album-images{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin-top: 20px;
}
.album-images[hidden]{ display:none; }
.album-images img{
  display:block;
  width:100%;
  height:110px;
  object-fit:cover;
  cursor:zoom-in;
  transition: opacity .2s ease;
}
.album-images img:hover{ opacity:.78; }
.work-num{ font-family: var(--mono); font-size:12px; color: var(--accent); }
.work-title{ font-size:15px; font-weight:600; color: var(--ink); }
.work-meta{ font-family: var(--mono); font-size:11px; margin-left:auto; }

@media (max-width: 700px){
  .album-grid{ grid-template-columns: 1fr; }
  .album-cover img{ height:200px; }
  .album-images{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .album-images img{ height:100px; }
  .work-meta{ margin-left:0; }
}

/* ===================================================
   APROPOS
=================================================== */
.apropos-grid{
  display:grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items:start;
}
.apropos-photo img{
  width:100%; aspect-ratio: 5/6; object-fit: cover;
}
.apropos-text .lede{
  font-family: var(--display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 400;
  line-height:1.4;
  margin-top:0;
}
.apropos-text p{ max-width: 56ch; color: var(--ink); text-align: justify; }
.apropos-text p:not(.lede){ color: var(--muted); }

@media (max-width: 760px){
  .apropos-grid{ grid-template-columns: 1fr; }
  .apropos-photo{ max-width: 240px; }
}

/* ===================================================
   SERVICES
=================================================== */
.service-list{ display:flex; flex-direction:column; }
.service-row{
  display:grid; grid-template-columns: 1fr 2fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .25s ease;
}
.service-row:first-child{ border-top:none; }
.service-row:hover{ padding-left: 12px; border-color: var(--accent); }
.service-row h3{
  font-family: var(--display);
  font-weight: 500;
  font-size: 20px;
  margin:0;
}
.service-row p{ margin:0; color: var(--muted); max-width: 52ch; }

@media (max-width: 640px){
  .service-row{ grid-template-columns: 1fr; gap:8px; }
}

/* ===================================================
   CONTACT / FOOTER
=================================================== */
.contact{ border-bottom:none; padding-bottom: clamp(56px, 10vw, 96px); }
.contact-email{
  display:inline-block;
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(28px, 5vw, 48px);
  text-decoration:none;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.contact-email:hover{ color: var(--accent); border-color: var(--accent); }
.contact-links{ display:flex; gap:24px; margin: 28px 0 56px; }
.contact-links a{ text-decoration:none; font-size:14px; color: var(--muted); }
.contact-links a:hover{ color: var(--accent); }
.footer-note{ font-family: var(--mono); font-size:12px; color: var(--muted); margin:0; }

/* ===================================================
   MOBILE NAV
=================================================== */
@media (max-width: 760px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position: fixed; top:64px; left:0; right:0;
    flex-direction:column; gap:0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    max-height:0; overflow:hidden;
    transition: max-height .3s ease;
  }
  .site-nav.open{ max-height: 260px; }
  .site-nav a{ padding: 16px var(--pad); border-top:1px solid var(--line); }
}

/* ===================================================
   LIGHTBOX (visionneuse plein écran)
=================================================== */
.lightbox{
  position: fixed; inset: 0; z-index: 100;
  display: none;
  align-items: center; justify-content: center;
  background: rgba(20,20,18,.92);
  padding: 56px 80px 28px;
}
.lightbox.is-open{ display: flex; }
.lightbox-content{
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.lightbox-content img{
  display: block;
  max-width: min(82vw, 1400px);
  max-height: 78vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.lightbox-caption{
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding-top: 14px;
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
}
.lightbox-close{
  position: fixed; top: 20px; right: 28px;
  font-size: 30px;
  color: #fff;
  background: none; border: none;
  cursor: pointer;
  padding: 8px;
}
.lightbox-arrow{
  position: fixed;
  top: 50%;
  width: 48px;
  height: 64px;
  border: 0;
  background: none;
  color: #fff;
  font-size: 52px;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}
.lightbox-prev{ left: 18px; }
.lightbox-next{ right: 18px; }
.lightbox-arrow:hover,
.lightbox-close:hover{ color: var(--accent); }

@media (max-width: 700px){
  .lightbox{ padding: 64px 16px 24px; }
  .lightbox-content img{ max-width: 100%; max-height: 72vh; }
  .lightbox-arrow{
    top: auto;
    bottom: 10px;
    width: 56px;
    height: 56px;
    background: rgba(20,20,18,.65);
  }
  .lightbox-prev{ left: 12px; }
  .lightbox-next{ right: 12px; }
  .lightbox-caption{ padding-bottom: 54px; }
}
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }