:root{
  --paper:#faf9f7;
  --ink:#201f1e;
  --anthracite:#232224;
  --anthracite-2:#302f31;
  --anthracite-3:#403e3f;
  --mist:#f1efec;
  --graphite:#6b6863;
  --smoke:#a09c96;
  --copper:#c1652f;
  --copper-light:#e8a06a;
  --copper-bright:#ff8f52;
  --hairline: rgba(32,31,30,0.09);
  --hairline-dark: rgba(241,239,236,0.13);
  --max: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,.display{
  font-family:'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  text-wrap:balance;
  letter-spacing:-0.02em;
  margin:0;
}

.mono{
  font-family:'IBM Plex Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

.eyebrow{
  font-family:'IBM Plex Mono', ui-monospace, monospace;
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--copper);
  margin:0 0 18px;
}
.eyebrow.on-dark{ color:var(--copper-bright); }

section{ position:relative; padding:120px 24px; }
.wrap{ max-width:var(--max); margin:0 auto; }

a{ color:inherit; }

/* ---------- NAV ---------- */
nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 28px; height:56px;
  background:rgba(250,249,247,0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom:1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
nav.scrolled{ border-bottom-color:var(--hairline); }
nav.on-dark{ background:rgba(35,34,36,0.68); }
nav.on-dark.scrolled{ border-bottom-color:var(--hairline-dark); }
nav.solid{ background:rgba(250,249,247,0.92); border-bottom-color:var(--hairline); }

.brand{
  display:flex; align-items:center; text-decoration:none; color:var(--ink);
}
.brand img{ height:26px; width:auto; display:block; }
.brand .logo-dark{ display:none; }
nav.on-dark .brand .logo-light{ display:none; }
nav.on-dark .brand .logo-dark{ display:block; }

.nav-links{ display:flex; align-items:center; gap:30px; list-style:none; margin:0; padding:0; }
.nav-links a{
  font-size:0.82rem; text-decoration:none; color:var(--graphite);
  transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--ink); }
nav.on-dark .nav-links a{ color:var(--smoke); }
nav.on-dark .nav-links a:hover{ color:var(--paper); }

.pill{
  font-family:'Source Sans 3', sans-serif; font-weight:600; font-size:0.82rem;
  background:var(--ink); color:var(--paper);
  border:1px solid var(--ink);
  padding:9px 20px; border-radius:100px; text-decoration:none;
  white-space:nowrap; transition: transform 0.2s ease, background 0.2s ease;
  display:inline-block;
}
.pill:hover{ transform:translateY(-1px); background:#000; }
.pill.ghost{ background:transparent; color:var(--ink); border-color:var(--hairline); }
nav.on-dark .pill{ background:var(--paper); color:var(--anthracite); border-color:var(--paper); }

/* ---------- HERO ---------- */
.hero{
  background:var(--anthracite); color:var(--paper);
  min-height:100svh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  padding:160px 24px 100px;
}
.hero .eyebrow{ color:var(--copper-bright); }
.hero h1{
  font-size:clamp(2.4rem, 6vw, 5.2rem);
  font-weight:800; line-height:1.04; max-width:920px;
  color:var(--paper);
}
.hero .sub{
  font-family:'Manrope',sans-serif; font-weight:300; font-size:clamp(1.1rem,2.2vw,1.6rem);
  color:var(--smoke); margin-top:22px; max-width:640px; line-height:1.4;
}
.hero p.desc{
  max-width:560px; margin:28px auto 0; color:var(--smoke);
  font-size:1.02rem; line-height:1.65;
}
.stat-row{
  display:flex; gap:56px; margin-top:64px; flex-wrap:wrap; justify-content:center;
}
.stat{ text-align:center; }
.stat .num{ font-size:1.9rem; font-weight:700; font-family:'Manrope',sans-serif; color:var(--paper); }
.stat .lbl{ font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--smoke); margin-top:6px; }
.scroll-cue{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%);
  width:20px; height:32px; border:1.5px solid var(--hairline-dark); border-radius:12px;
}
.scroll-cue::before{
  content:''; position:absolute; top:6px; left:50%; width:3px; height:6px;
  background:var(--smoke); border-radius:2px; transform:translateX(-50%);
  animation: cue 1.8s ease infinite;
}
@keyframes cue{ 0%{opacity:1; transform:translate(-50%,0);} 70%{opacity:0; transform:translate(-50%,10px);} 100%{opacity:0;} }

/* ---------- REVEAL ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity 0.8s cubic-bezier(.16,.8,.28,1), transform 0.8s cubic-bezier(.16,.8,.28,1); }
.reveal.in{ opacity:1; transform:translateY(0); }
.reveal.d1{ transition-delay:0.08s; }
.reveal.d2{ transition-delay:0.16s; }
.reveal.d3{ transition-delay:0.24s; }
.reveal.d4{ transition-delay:0.32s; }

/* ---------- VISION ---------- */
.vision{ background:var(--paper); text-align:center; }
.vision h2{ font-size:clamp(2rem,4.4vw,3.4rem); font-weight:700; max-width:780px; margin:0 auto; }
.vision .lede{ max-width:700px; margin:26px auto 0; color:var(--graphite); font-size:1.08rem; line-height:1.7; }
.quote{
  max-width:760px; margin:70px auto 0; padding-top:56px; border-top:1px solid var(--hairline);
}
.quote p{
  font-family:'Manrope',sans-serif; font-weight:300; font-size:clamp(1.4rem,3vw,2.1rem);
  line-height:1.35; margin:0; color:var(--ink);
}
.quote cite{ display:block; margin-top:24px; font-style:normal; color:var(--graphite); font-size:0.9rem; }
.vision .lede2{ max-width:700px; margin:56px auto 0; color:var(--graphite); font-size:1.08rem; line-height:1.7; }

/* ---------- SERVICES ---------- */
.services{ background:var(--mist); }
.services .head{ max-width:640px; }
.services h2{ font-size:clamp(1.9rem,3.8vw,2.9rem); font-weight:700; }
.services .lede{ margin-top:18px; color:var(--graphite); font-size:1.04rem; line-height:1.65; max-width:600px; }

.svc-grid{ margin-top:64px; display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--hairline); border:1px solid var(--hairline); }
.svc-card{
  background:var(--mist); padding:38px 30px; min-height:260px;
  display:flex; flex-direction:column; justify-content:space-between;
  transition:background 0.25s ease;
}
.svc-card:hover{ background:#ffffff; }
.svc-icon{ width:34px; height:34px; }
.svc-icon svg{ width:100%; height:100%; }
.svc-card h3{ font-size:1.15rem; font-weight:700; margin-top:24px; }
.svc-card p{ font-size:0.92rem; color:var(--graphite); line-height:1.55; margin:10px 0 0; }

/* ---------- CLIENTS ---------- */
.clients{ background:var(--paper); padding:80px 0; }
.clients .eyebrow{ text-align:center; padding:0 24px; }
.marquee-track{ overflow:hidden; margin-top:36px; -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent); mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent); }
.marquee-inner{
  display:flex; gap:64px; width:max-content;
  animation: scroll-left 28s linear infinite;
  padding:0 32px;
}
@media (prefers-reduced-motion: reduce){ .marquee-inner{ animation:none; } }
.marquee-inner span{
  font-family:'Manrope',sans-serif; font-weight:600; font-size:1.3rem; color:var(--smoke);
  white-space:nowrap;
}
@keyframes scroll-left{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ---------- WORKS ---------- */
.works{ background:var(--anthracite); color:var(--paper); }
.works .eyebrow{ color:var(--copper-bright); }
.works h2{ color:var(--paper); font-size:clamp(1.9rem,3.8vw,2.9rem); font-weight:700; }
.works .lede{ margin-top:18px; color:var(--smoke); max-width:560px; font-size:1.04rem; line-height:1.65; }

.work-grid{ margin-top:60px; display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.work-card{
  border-radius:18px; overflow:hidden; border:1px solid var(--hairline-dark);
  background:var(--anthracite-2); transition:transform 0.35s cubic-bezier(.16,.8,.28,1);
  text-decoration:none; color:inherit; display:block;
}
.work-card:hover{ transform:translateY(-6px); }
.work-tile{ height:170px; background-size:cover; background-position:center; position:relative; }
.work-tile::after{ content:''; position:absolute; inset:0; background:linear-gradient(180deg, rgba(35,34,36,0) 55%, rgba(20,19,19,0.55) 100%); }
.work-card .body{ padding:22px 22px 26px; }
.work-card .cat{ font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--copper-light); }
.work-card h3{ font-size:1.08rem; font-weight:700; margin-top:8px; color:var(--paper); }
.work-card p{ font-size:0.88rem; color:var(--smoke); margin:6px 0 0; line-height:1.5; }

.work-card--wide{ grid-column:1 / -1; display:grid; grid-template-columns:1fr 1.15fr; }
.work-card--wide .work-tile{ height:100%; min-height:200px; }
.work-card--wide .body{ padding:32px 34px; display:flex; flex-direction:column; justify-content:center; }
.work-card--wide h3{ font-size:1.28rem; }
.work-card--wide p{ font-size:0.94rem; max-width:440px; }

/* ---------- TEAM ---------- */
.team{ background:var(--mist); }
.team h2{ font-size:clamp(1.9rem,3.8vw,2.9rem); font-weight:700; max-width:600px; }
.team .lede{ margin-top:18px; color:var(--graphite); max-width:560px; font-size:1.04rem; line-height:1.65; }
.team-grid{ margin-top:60px; display:grid; grid-template-columns:repeat(4,1fr); gap:34px 26px; }
.person{ text-align:left; }
.avatar{
  width:64px; height:64px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:'Manrope',sans-serif; font-weight:700; font-size:1.05rem; color:#fff;
}
.person h3{ font-size:1rem; font-weight:700; margin-top:16px; }
.person .role{ font-size:0.8rem; color:var(--copper); margin-top:3px; font-weight:600; }
.person p.bio{ font-size:0.86rem; color:var(--graphite); line-height:1.5; margin-top:8px; }

/* ---------- RESEAU ---------- */
.reseau{ background:var(--paper); }
.reseau-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:70px; align-items:start; }
.reseau h2{ font-size:clamp(1.9rem,3.8vw,2.9rem); font-weight:700; }
.reseau .lede{ margin-top:18px; color:var(--graphite); font-size:1.04rem; line-height:1.7; }
.benefit-list{ list-style:none; margin:28px 0 0; padding:0; display:flex; flex-direction:column; gap:14px; }
.benefit-list li{ display:flex; gap:12px; font-size:0.96rem; color:var(--ink); align-items:flex-start; }
.benefit-list li::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--copper); margin-top:8px; flex:none; }

.loc-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--hairline); border:1px solid var(--hairline); }
.loc-card{ background:var(--paper); padding:26px 22px; }
.loc-card .mono{ font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--smoke); }
.loc-card h3{ font-size:1.15rem; font-weight:700; margin-top:8px; }

/* ---------- CONTACT ---------- */
.contact{ background:var(--anthracite); color:var(--paper); }
.contact .eyebrow{ color:var(--copper-bright); }
.contact h2{ font-size:clamp(2rem,4.4vw,3.4rem); font-weight:700; color:var(--paper); max-width:600px; }
.contact-grid{ margin-top:60px; display:grid; grid-template-columns:1.1fr 1fr; gap:70px; }

.field{ margin-bottom:20px; }
.field label{ display:block; font-size:0.78rem; color:var(--smoke); margin-bottom:8px; font-family:'IBM Plex Mono',monospace; letter-spacing:0.04em; }
.field input, .field textarea{
  width:100%; background:transparent; border:none; border-bottom:1px solid var(--hairline-dark);
  color:var(--paper); font-family:'Source Sans 3',sans-serif; font-size:1rem; padding:10px 2px;
  outline:none; transition:border-color 0.2s ease;
}
.field input::placeholder, .field textarea::placeholder{ color:#6f6c68; }
.field input:focus, .field textarea:focus{ border-color:var(--copper); }
.row2{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.send-btn{
  margin-top:12px; background:var(--copper); border:none; color:#fff; font-weight:600;
  font-family:'Source Sans 3',sans-serif; font-size:0.92rem; padding:13px 26px; border-radius:100px;
  cursor:pointer; transition:transform 0.2s ease, background 0.2s ease;
}
.send-btn:hover{ transform:translateY(-1px); background:#a8551f; }
.send-btn:disabled{ opacity:0.6; cursor:default; transform:none; }
.send-btn:focus-visible, a:focus-visible, .pill:focus-visible, .nav-links a:focus-visible{
  outline:2px solid var(--copper); outline-offset:3px;
}

.info-block{ padding-top:4px; }
.info-block .co{ font-family:'Manrope',sans-serif; font-weight:700; font-size:1.05rem; color:var(--paper); margin-bottom:16px; }
.addr{ font-size:0.94rem; color:var(--smoke); line-height:1.7; margin-bottom:18px; }
.addr strong{ color:var(--paper); font-weight:600; display:block; margin-bottom:2px; }
.contact-link{ display:block; font-size:0.94rem; color:var(--paper); text-decoration:none; margin-bottom:6px; border-bottom:1px solid transparent; width:fit-content; }
.contact-link:hover{ border-bottom-color:var(--copper); }

.newsletter{ margin-top:34px; padding-top:28px; border-top:1px solid var(--hairline-dark); }
.newsletter .mono{ font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--smoke); }
.nl-row{ display:flex; gap:0; margin-top:14px; border-bottom:1px solid var(--hairline-dark); }
.nl-row input{ flex:1; background:transparent; border:none; color:var(--paper); padding:8px 0; font-size:0.94rem; outline:none; }
.nl-row button{ background:none; border:none; color:var(--copper-bright); font-weight:600; font-size:0.86rem; cursor:pointer; padding:8px 4px; }

.social-row{ display:flex; gap:16px; margin-top:22px; }
.social-row a{ font-size:0.82rem; color:var(--smoke); text-decoration:none; }
.social-row a:hover{ color:var(--paper); }

.form-note{ font-size:0.82rem; color:var(--smoke); margin-top:14px; min-height:1.2em; }
.form-note.success{ color:#8fbf8a; }
.form-note.error{ color:#e08a7d; }

/* ---------- FOOTER ---------- */
footer{ background:var(--anthracite); color:var(--smoke); padding:34px 24px 44px; border-top:1px solid var(--hairline-dark); }
.foot-wrap{ max-width:var(--max); margin:0 auto; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; }
.foot-wrap .brand img{ height:24px; }
footer .fine{ font-size:0.8rem; }
.foot-links{ display:flex; gap:20px; list-style:none; margin:0; padding:0; }
.foot-links a{ font-size:0.8rem; color:var(--smoke); text-decoration:none; }
.foot-links a:hover{ color:var(--paper); }

/* ---------- PROJECT PAGE ---------- */
.proj-hero{
  background:var(--anthracite); color:var(--paper);
  padding:150px 24px 70px; text-align:left;
}
.proj-hero .back{
  display:inline-flex; align-items:center; gap:8px; font-size:0.84rem; color:var(--smoke);
  text-decoration:none; margin-bottom:26px; transition:color 0.2s ease;
}
.proj-hero .back:hover{ color:var(--paper); }
.proj-hero h1{ font-size:clamp(2.1rem,5vw,3.6rem); font-weight:800; color:var(--paper); max-width:820px; }
.proj-meta{ display:flex; gap:32px; margin-top:30px; flex-wrap:wrap; }
.proj-meta div .mono{ font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--smoke); }
.proj-meta div .val{ font-size:0.98rem; color:var(--paper); margin-top:4px; font-weight:600; }

.proj-image{ width:100%; display:block; background:var(--anthracite-2); }
.proj-image.hero-img{ max-height:640px; object-fit:cover; }

.proj-body{ background:var(--paper); padding:90px 24px; }
.proj-body-grid{ display:grid; grid-template-columns:1fr 1.4fr; gap:70px; }
.proj-body h2{ font-size:1.5rem; font-weight:700; }
.proj-body .lede{ margin-top:20px; color:var(--graphite); font-size:1.06rem; line-height:1.75; }
.svc-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.svc-list li{ font-size:0.92rem; color:var(--ink); padding-left:16px; position:relative; }
.svc-list li::before{ content:''; position:absolute; left:0; top:8px; width:5px; height:5px; border-radius:50%; background:var(--copper); }
.side-label{ font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--graphite); margin-bottom:14px; }

.gallery{ background:var(--mist); padding:70px 24px 100px; }
.gallery-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.gallery-grid img{ width:100%; height:340px; object-fit:cover; border-radius:14px; }

.next-proj{ background:var(--anthracite); color:var(--paper); padding:70px 24px; text-align:center; }
.next-proj .mono{ font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--smoke); }
.next-proj a.big{
  display:inline-block; margin-top:16px; font-family:'Manrope',sans-serif; font-weight:700;
  font-size:clamp(1.6rem,4vw,2.6rem); color:var(--paper); text-decoration:none; border-bottom:2px solid var(--copper);
  padding-bottom:6px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px){
  section{ padding:88px 20px; }
  .nav-links{ display:none; }
  .svc-grid{ grid-template-columns:1fr 1fr; }
  .work-grid{ grid-template-columns:1fr 1fr; }
  .team-grid{ grid-template-columns:1fr 1fr; }
  .reseau-grid{ grid-template-columns:1fr; gap:44px; }
  .contact-grid{ grid-template-columns:1fr; gap:50px; }
  .stat-row{ gap:36px; }
  .work-card--wide{ grid-template-columns:1fr; }
  .work-card--wide .work-tile{ height:170px; }
  .proj-body-grid{ grid-template-columns:1fr; gap:40px; }
  .gallery-grid{ grid-template-columns:1fr; }
}
@media (max-width: 540px){
  .svc-grid{ grid-template-columns:1fr; }
  .work-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr 1fr; }
  .loc-grid{ grid-template-columns:1fr; }
  .row2{ grid-template-columns:1fr; }
  .foot-wrap{ flex-direction:column; align-items:flex-start; }
}