  /* ─── TOKENS ─── */
  :root {
    --red: #FF1423;
    --bg:       #080808;
    --bg-alt:   #0F0F0F;
    --card:     #141414;
    --border:   rgba(255,255,255,0.08);
    --fg:       #FFFFFF;
    --fg-inv:   #080808;
    --grey:     #888888;
    --dim:      rgba(255,255,255,0.22);
    --sub:      rgba(255,255,255,0.38);
    --logo-c:   rgba(255,255,255,0.18);
    --nav-bg:   rgba(8,8,8,0.9);
    --hero-overlay: rgba(10,10,10,0.9);
    --cur-dot:  #FFFFFF;
    --cur-ring: rgba(255,255,255,0.28);
  }

  html.light {
    --bg:       #F2F0EC;
    --bg-alt:   #E9E7E2;
    --card:     #E2DFD9;
    --border:   rgba(0,0,0,0.09);
    --fg:       #0D0D0D;
    --fg-inv:   #FFFFFF;
    --grey:     #5C5C5C;
    --dim:      rgba(0,0,0,0.28);
    --sub:      rgba(0,0,0,0.4);
    --logo-c:   rgba(0,0,0,0.22);
    --nav-bg:   rgba(242,240,236,0.92);
    --hero-overlay: rgba(10,10,10,0.82);
    --cur-dot:  #0D0D0D;
    --cur-ring: rgba(0,0,0,0.25);
  }

  /* ─── BASE ─── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'DM Sans', sans-serif;
    overflow-x: hidden;
    cursor: none;
    transition: background 0.55s ease, color 0.55s ease;
  }

  /* ─── CURSOR ─── */
  .cursor {
    position: fixed; width: 8px; height: 8px;
    background: var(--cur-dot); border-radius: 50%;
    pointer-events: none; z-index: 9999;
    transform: translate(-50%,-50%);
    transition: width .25s, height .25s, background .35s;
  }
  .cursor-ring {
    position: fixed; width: 36px; height: 36px;
    border: 1px solid var(--cur-ring); border-radius: 50%;
    pointer-events: none; z-index: 9998;
    transform: translate(-50%,-50%);
    transition: width .4s, height .4s, border-color .4s;
  }
  .cursor.hov { width: 0; height: 0; }
  .cursor-ring.hov { width: 52px; height: 52px; border-color: var(--red); }

  /* ─── GRAIN ─── */
  body::after {
    content: ''; position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.03; pointer-events: none; z-index: 9990;
    transition: opacity .55s;
  }
  html.light body::after { opacity: 0.025; }

  /* ─── NAV ─── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 500;
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 48px;
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transition: background .55s, border-color .55s;
  }
  .nav-logo {
    display: flex; align-items: center;
    color: var(--fg); text-decoration: none;
    transition: color .35s;
    height: 28px;
  }
  .nav-logo svg { height: 30px; width: auto; }
  html.light .nav-logo svg { filter: invert(1) brightness(0.1); }

  .nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
  .nav-links a { font-size: 13px; font-weight: 400; color: var(--grey); text-decoration: none; letter-spacing: .02em; transition: color .2s; }
  .nav-links a:hover { color: var(--fg); }
  .nav-links a.active { color: var(--fg); display: flex; align-items: center; gap: 8px; }
  .nav-links a.active::before { content: ''; width: 6px; height: 6px; background: var(--red); border-radius: 50%; flex-shrink: 0; }
  .nav-pill { background: var(--fg) !important; color: var(--fg-inv) !important; padding: 9px 22px; border-radius: 100px; font-weight: 500 !important; transition: background .25s, color .25s !important; }
  .nav-pill:hover { background: var(--red) !important; color: #fff !important; }

  /* ─── BURGER ─── */
  .burger {
    display: none; flex-direction: column; gap: 5px;
    width: 32px; cursor: none; background: none; border: none;
    padding: 4px; z-index: 600;
  }
  .burger span {
    display: block; height: 1.5px; background: var(--fg);
    border-radius: 2px;
    transition: transform .35s ease, opacity .35s, width .35s, background .35s;
  }
  .burger span:nth-child(1) { width: 100%; }
  .burger span:nth-child(2) { width: 65%; }
  .burger span:nth-child(3) { width: 85%; }
  .burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); width: 100%; }
  .burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); width: 100%; }

  /* ─── MOBILE MENU OVERLAY ─── */
  .mobile-menu {
    position: fixed; inset: 0; z-index: 490;
    background: var(--bg);
    display: flex; flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 80px 40px 40px;
    transform: translateX(100%);
    transition: transform .45s cubic-bezier(.4,0,.2,1), background .55s;
    pointer-events: none;
  }
  .mobile-menu.open { transform: translateX(0); pointer-events: all; }

  .mobile-menu-links {
    list-style: none; display: flex; flex-direction: column;
    gap: 0; width: 100%;
  }
  .mobile-menu-links li { border-bottom: 1px solid var(--border); }
  .mobile-menu-links a {
    display: block; padding: 20px 0;
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(36px, 8vw, 56px);
    letter-spacing: .04em;
    color: var(--fg); text-decoration: none;
    transition: color .2s, padding-left .25s;
  }
  .mobile-menu-links a:hover { color: var(--red); padding-left: 12px; }

  .mobile-menu-bottom {
    margin-top: auto; padding-top: 32px;
    display: flex; align-items: center; gap: 24px; width: 100%;
    border-top: 1px solid var(--border);
  }
  .mobile-cta {
    background: var(--red); color: #fff;
    padding: 14px 32px; border-radius: 100px;
    font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 500;
    text-decoration: none; letter-spacing: .04em;
    transition: background .2s;
    display: inline-block;
  }
  .mobile-cta:hover { background: var(--fg); color: var(--fg-inv); }

  /* ─── SCROLL ARROW ─── */
  .scroll-arrow {
    position: absolute; bottom: 40px; left: 50%; z-index: 10;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    cursor: none; text-decoration: none;
    opacity: 0;
    animation: fadeInArrow 1s ease 1.8s forwards;
  }
  @keyframes fadeInArrow {
    from { opacity: 0; transform: translateX(-50%) translateY(8px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
  }
  .scroll-arrow-label {
    font-size: 9px; letter-spacing: .3em; text-transform: uppercase;
    color: rgba(255,255,255,0.4); font-weight: 500;
  }
  .scroll-arrow-icon {
    width: 38px; height: 38px;
    border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: border-color .25s, background .25s;
    animation: bounceArrow 2.2s ease-in-out 2.5s infinite;
  }
  .scroll-arrow:hover .scroll-arrow-icon {
    border-color: var(--red); background: var(--red);
  }
  .scroll-arrow-icon svg { width: 14px; height: 14px; }
  @keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
  }

  /* ─── HERO LOGO ─── */
  .hero-logo-svg {
    position: relative; z-index: 10;
    margin-bottom: 8px;
  }
  .hero-logo-svg svg {
    width: min(68vw, 500px);
    height: auto;
    display: block;
    filter: brightness(0) invert(1);
  }

  /* ─── THEME TOGGLE ─── */
  .theme-toggle {
    display: flex; align-items: center; gap: 10px;
    cursor: none; user-select: none;
  }
  .toggle-label {
    font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--grey); transition: color .35s;
    font-weight: 500;
  }
  .toggle-track {
    position: relative; width: 44px; height: 24px;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 100px;
    transition: background .4s, border-color .4s;
  }
  html.light .toggle-track { background: #D0CDC8; }
  .toggle-thumb {
    position: absolute; top: 3px; left: 3px;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--grey); transition: transform .35s cubic-bezier(.4,0,.2,1), background .35s;
  }
  html.light .toggle-thumb { transform: translateX(20px); background: var(--fg); }
  .toggle-icon {
    font-size: 13px; line-height: 1;
    transition: opacity .3s;
    pointer-events: none;
  }

  /* ─── HERO ─── */
  .hero {
    height: 100vh; min-height: 700px;
    position: relative; overflow: hidden;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 0 48px 64px;
  }
  /* Hero always dark — photo context */
  .hero-bg {
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 40% 55% at 25% 65%, var(--hero-overlay) 0%, transparent 70%),
      linear-gradient(155deg, #100002 0%, #080808 40%, #0a0808 100%);
    z-index: 0; transition: background .55s;
  }
  html.light .hero-bg {
    background:
      radial-gradient(ellipse 40% 55% at 25% 65%, rgba(5,5,5,0.88) 0%, transparent 70%),
      linear-gradient(155deg, #1a0003 0%, #060606 40%, #0a0505 100%);
  }
  /* Blob rouge — élément indépendant qui se déplace */
  .hero-glow {
    position: absolute;
    top: -20%; right: -10%;
    width: 80vw; height: 90vh;
    background: radial-gradient(ellipse 60% 65% at 55% 45%,
      rgba(255,20,35,0.75) 0%,
      rgba(200,8,20,0.45) 28%,
      rgba(140,0,10,0.18) 55%,
      transparent 72%);
    z-index: 1; pointer-events: none;
    border-radius: 50%;
    filter: blur(40px);
    animation: glowBreathe 4.5s cubic-bezier(.45,0,.55,1) infinite;
    will-change: transform, opacity;
  }
  @keyframes glowBreathe {
    0%   { transform: translate(0px,    0px)   scale(1);    opacity: .82; }
    40%  { transform: translate(-60px,  50px)  scale(1.45); opacity: 1;   }
    70%  { transform: translate(-60px,  50px)  scale(1.45); opacity: 1;   }
    100% { transform: translate(0px,    0px)   scale(1);    opacity: .82; }
  }
  .hero-aside {
    position: absolute; top: 110px; right: 48px; z-index: 10;
    text-align: right; display: flex; flex-direction: column; gap: 6px;
  }
  .hero-aside span { font-size: 11px; color: rgba(255,255,255,0.35); letter-spacing: .08em; transition: color .2s; cursor: default; }
  .hero-aside span:hover { color: #fff; }
  .hero-sub {
    position: absolute; top: 110px; left: 48px; z-index: 10;
    font-size: 13px; color: rgba(255,255,255,0.42); max-width: 210px; line-height: 1.65; font-weight: 300;
  }

  .hero-dots { position: absolute; bottom: 64px; right: 48px; z-index: 10; display: flex; gap: 8px; }
  .hero-dot { width: 28px; height: 2px; background: rgba(255,255,255,0.2); border-radius: 1px; }
  .hero-dot.on { background: #fff; }
  .hero-content { position: relative; z-index: 10; }
  .hero-eyebrow {
    font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
    color: var(--red); margin-bottom: 12px; font-weight: 500;
    opacity: 0;
    animation: heroFadeUp .8s cubic-bezier(.22,1,.36,1) .3s forwards;
  }
  .hero-logo-svg {
    opacity: 0;
    animation: heroFadeUp .9s cubic-bezier(.22,1,.36,1) .55s forwards;
  }
  .hero-sub {
    opacity: 0;
    animation: heroFadeIn .8s ease .9s forwards;
  }
  .hero-aside {
    opacity: 0;
    animation: heroFadeIn .8s ease 1.1s forwards;
  }
  @keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes heroFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }
  h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(80px,13vw,190px); line-height: .88; letter-spacing: .02em; color: #fff; }
  h1 .reg { font-size: .33em; vertical-align: super; color: var(--red); letter-spacing: 0; font-family: 'DM Sans', sans-serif; }

  /* ─── ABOUT ─── */
  .about {
    background: var(--bg-alt);
    padding: 100px 48px;
    display: grid; grid-template-columns: 180px 1fr; gap: 72px; align-items: start;
    border-top: 1px solid var(--border);
    transition: background .55s, border-color .55s;
  }
  .sec-label { font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--grey); padding-top: 8px; transition: color .35s; }
  .sec-label::before { content: '✦  '; color: var(--red); font-size: 7px; }
  .about-hl { font-family: 'Bebas Neue', sans-serif; font-size: clamp(26px,3.5vw,46px); letter-spacing: .03em; line-height: 1.1; color: var(--fg); transition: color .35s; }
  .about-hl .dim { color: var(--dim); transition: color .35s; }

  /* ─── MARQUEE ─── */
  .logos-bar {
    background: var(--bg);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    padding: 22px 0; overflow: hidden;
    transition: background .55s, border-color .55s;
  }
  .logos-track { display: flex; animation: scrollL 24s linear infinite; width: max-content; }
  .logo-item { display: flex; align-items: center; gap: 8px; padding: 0 40px; font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--logo-c); white-space: nowrap; transition: color .35s; }
  .logo-item svg path, .logo-item svg circle, .logo-item svg rect, .logo-item svg polygon { stroke: currentColor; }
  @keyframes scrollL { from { transform: translateX(0); } to { transform: translateX(-50%); } }

  /* ─── PROCESS / TRACK ─── */
  .process {
    background: var(--bg-alt); padding: 100px 48px 100px; border-top: 1px solid var(--border);
    transition: background .55s, border-color .55s;
    position: relative; overflow: hidden;
  }
  .process-eclat {
    position: absolute;
    bottom: 0;
    left: -5%;
    width: 85%;
    height: auto;
    pointer-events: none;
    z-index: 0;
    opacity: .06;
    transform: none;
  }
  html.light .process-eclat { opacity: .05; }
  .process-eclat svg {
    width: 100%; height: auto;
    display: block;
  }
  .process-eclat path { fill: var(--fg); }
  .process-top, .track-wrap, .track-info { position: relative; z-index: 1; }
  .process-top { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-bottom: 72px; }
  .process-hl { font-family: 'Bebas Neue', sans-serif; font-size: clamp(52px,7vw,100px); letter-spacing: .03em; line-height: .9; color: var(--fg); transition: color .35s; }
  .process-txt { padding-top: 8px; font-size: 14px; color: var(--grey); line-height: 1.8; font-weight: 300; transition: color .35s; }

  /* SVG track */
  .track-wrap { width: 100%; max-width: 820px; margin: 0 auto; }
  .track-svg { width: 100%; height: auto; display: block; cursor: none; }
  .track-mobile { display: none; }

  /* Segment hover states */

  /* Info panel */
  .track-info {
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    transition: background .55s;
  }
  .track-info-item {
    background: var(--card);
    padding: 28px 24px;
    transition: background .3s;
    position: relative;
    overflow: hidden;
  }
  .track-info-item::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--item-color, var(--red));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
  }
  .track-info-item.active { background: var(--bg); }
  .track-info-item.active::before { transform: scaleX(1); }
  .track-info-item:hover { background: var(--bg); cursor: default; }
  .track-info-item:hover::before { transform: scaleX(1); }
  .ti-num { font-size: 10px; letter-spacing: .2em; color: var(--item-color, var(--red)); font-weight: 600; text-transform: uppercase; margin-bottom: 12px; opacity: .7; }
  .ti-name { font-family: 'Bebas Neue', sans-serif; font-size: 22px; letter-spacing: .04em; line-height: 1; color: var(--fg); margin-bottom: 10px; transition: color .35s; }
  .ti-text { font-size: 12px; color: var(--grey); line-height: 1.6; font-weight: 300; transition: color .35s; }

  /* ─── SERVICE BAND ─── */
  .svc-band { background: var(--bg); padding: 80px 48px; border-top: 1px solid var(--border); text-align: center; transition: background .55s, border-color .55s; }
  .svc-band-lbl { font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--grey); margin-bottom: 28px; transition: color .35s; }
  .svc-band-lbl::before { content: '✦  '; color: var(--red); font-size: 7px; }
  .svc-band-hl { font-family: 'Bebas Neue', sans-serif; font-size: clamp(28px,4vw,54px); letter-spacing: .04em; line-height: 1.1; max-width: 820px; margin: 0 auto; color: var(--fg); transition: color .35s; }
  .svc-band-hl .dim { color: var(--dim); transition: color .35s; }

  /* ─── SERVICES ─── */
  .services { background: var(--bg-alt); padding: 100px 48px; border-top: 1px solid var(--border); transition: background .55s, border-color .55s; }
  .sec-top { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 56px; }
  .sec-hl { font-family: 'Bebas Neue', sans-serif; font-size: clamp(48px,6vw,82px); letter-spacing: .03em; line-height: .95; color: var(--fg); transition: color .35s; }
  .see-all { display: flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); text-decoration: none; transition: color .2s; padding-bottom: 2px; }
  .see-all:hover { color: var(--fg); }
  .see-all::after { content: '↗'; }
  .svc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); transition: background .55s; }
  .svc-card { background: var(--card); padding: 44px 36px 40px; position: relative; overflow: hidden; transition: background .3s; cursor: none; }
  .svc-card:hover { background: var(--bg-alt); }
  .svc-card::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 2px; background: var(--red); transition: width .45s ease; }
  .svc-card:hover::before { width: 100%; }
  .svc-idx { font-size: 10px; letter-spacing: .22em; color: rgba(255,20,35,0.55); font-weight: 500; margin-bottom: 32px; text-transform: uppercase; }
  .svc-name { font-family: 'Bebas Neue', sans-serif; font-size: 28px; letter-spacing: .04em; line-height: 1.05; margin-bottom: 14px; color: var(--fg); transition: color .35s; }
  .svc-desc { font-size: 13px; color: var(--grey); line-height: 1.7; font-weight: 300; margin-bottom: 28px; transition: color .35s; }
  .svc-list { list-style: none; display: flex; flex-direction: column; gap: 10px; padding-top: 22px; border-top: 1px solid var(--border); transition: border-color .35s; }
  .svc-list li { font-size: 12px; color: var(--sub); display: flex; gap: 10px; line-height: 1.5; transition: color .35s; }
  .svc-list li::before { content: '—'; color: var(--red); opacity: .5; flex-shrink: 0; }

  /* ─── PROJECTS ─── */
  .projects { background: var(--bg); padding: 100px 48px; border-top: 1px solid var(--border); transition: background .55s, border-color .55s; }
  .proj-list { display: flex; flex-direction: column; border-top: 1px solid var(--border); transition: border-color .35s; }
  .proj-row {
    display: grid; grid-template-columns: 52px 1fr auto; gap: 44px; align-items: center;
    padding: 36px 0; border-bottom: 1px solid var(--border);
    cursor: none; position: relative; transition: padding-left .35s, border-color .35s;
  }
  .proj-row::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: rgba(255,20,35,0.04); transition: width .4s; }
  .proj-row:hover { padding-left: 18px; }
  .proj-row:hover::before { width: 100%; }
  .proj-n { font-size: 11px; color: var(--sub); letter-spacing: .1em; transition: color .35s; }
  .proj-cats { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
  .proj-cat { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); border: 1px solid var(--border); padding: 3px 10px; border-radius: 100px; transition: color .35s, border-color .35s; }
  .proj-name { font-family: 'Bebas Neue', sans-serif; font-size: clamp(30px,4vw,54px); letter-spacing: .03em; line-height: 1; color: var(--fg); transition: color .35s; }
  .proj-desc { font-size: 13px; color: var(--grey); margin-top: 8px; font-weight: 300; max-width: 500px; line-height: 1.6; transition: color .35s; }
  .proj-meta { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; flex-shrink: 0; }
  .proj-yr { display: none; }
  .proj-btn { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--grey); font-size: 15px; transition: border-color .25s, background .25s, color .25s; }
  .proj-row:hover .proj-btn { border-color: var(--red); background: var(--red); color: #fff; }

  /* ─── CONTACT ─── */
  .contact { background: var(--bg-alt); padding: 100px 48px; border-top: 1px solid var(--border); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; transition: background .55s, border-color .55s; }
  .contact-hl { font-family: 'Bebas Neue', sans-serif; font-size: clamp(52px,6vw,92px); letter-spacing: .03em; line-height: .9; margin: 20px 0 28px; color: var(--fg); transition: color .35s; }
  .contact-hl span { color: var(--red); }
  .contact-sub { font-size: 14px; color: var(--grey); line-height: 1.8; font-weight: 300; max-width: 360px; transition: color .35s; }
  .form { display: flex; flex-direction: column; gap: 0; }
  .field { display: flex; flex-direction: column; gap: 0; border-bottom: 1px solid var(--border); padding: 20px 0; transition: border-color .2s; }
  .field:focus-within { border-color: var(--grey); }
  label { font-size: 10px; letter-spacing: .25em; text-transform: uppercase; color: var(--grey); margin-bottom: 8px; font-weight: 500; transition: color .35s; }
  input, textarea, select { background: transparent; border: none; color: var(--fg); font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 300; outline: none; resize: none; padding: 0; width: 100%; transition: color .35s; }
  input::placeholder, textarea::placeholder { color: var(--sub); }
  select option { background: var(--card); color: var(--fg); }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; }
  .form-row .field:first-child { border-right: 1px solid var(--border); padding-right: 24px; }
  .form-row .field:last-child { padding-left: 24px; }
  .submit-wrap { display: flex; justify-content: flex-end; margin-top: 36px; }
  .submit-btn { background: var(--fg); color: var(--fg-inv); border: none; padding: 15px 40px; border-radius: 100px; font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 500; letter-spacing: .04em; cursor: none; transition: background .25s, color .25s; display: flex; align-items: center; gap: 10px; }
  .submit-btn:hover { background: var(--red); color: #fff; }
  .submit-btn::after { content: '→'; }

  /* ─── FOOTER ─── */
  /* ─── FOOTER ─── */
  footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    transition: background .55s, border-color .55s;
  }

  /* Row 1 : big logo display */
  .footer-top {
    padding: 72px 48px 56px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 32px;
    transition: border-color .55s;
  }
  .footer-big-logo svg {
    height: clamp(56px, 8vw, 100px);
    width: auto;
    color: var(--fg);
    transition: color .35s;
    display: block;
  }
  html.light .footer-big-logo svg { filter: invert(1) brightness(0.1); }

  .footer-tagline {
    font-size: 13px; color: var(--grey); font-weight: 300;
    line-height: 1.6; max-width: 280px; text-align: right;
    transition: color .35s;
  }
  .footer-tagline strong {
    display: block;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px; letter-spacing: .12em;
    color: var(--red); font-weight: 400;
    margin-bottom: 4px;
  }

  /* Row 2 : bottom bar */
  .footer-bottom {
    padding: 20px 48px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
  }
  .footer-copy {
    font-size: 10px; color: var(--sub); letter-spacing: .08em;
    transition: color .35s; text-transform: uppercase;
  }
  .footer-links {
    display: flex; gap: 28px; list-style: none;
    justify-content: center;
  }
  .footer-links a {
    font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
    color: var(--sub); text-decoration: none; transition: color .2s;
  }
  .footer-links a:hover { color: var(--red); }
  .footer-social {
    display: flex; gap: 16px; list-style: none;
    justify-content: flex-end;
  }
  .footer-social a {
    font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
    color: var(--sub); text-decoration: none; transition: color .2s;
  }
  .footer-social a:hover { color: var(--fg); }


  /* ─── PROJ THUMBNAIL ─── */
  .proj-row { grid-template-columns: 52px 100px 1fr auto; }
  .proj-thumb {
    width: 100px; height: 68px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
    cursor: none;
    position: relative;
  }
  .proj-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .45s cubic-bezier(.22,1,.36,1), filter .35s;
    filter: brightness(.75) saturate(.8);
  }
  .proj-row:hover .proj-thumb img {
    transform: scale(1.08);
    filter: brightness(.95) saturate(1);
  }

  /* ─── LIGHTBOX ─── */
  .proj-lightbox {
    position: fixed; inset: 0; z-index: 2000;
    background: #000;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity .45s ease;
  }
  .proj-lightbox.open {
    opacity: 1; pointer-events: all;
  }
  .lb-img-wrap {
    width: 100%; height: 100%;
    position: absolute; inset: 0;
    overflow: hidden;
  }
  .lb-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.08);
    transition: transform .65s cubic-bezier(.22,1,.36,1);
    filter: brightness(.85);
  }
  .proj-lightbox.open .lb-img-wrap img {
    transform: scale(1);
  }
  .lb-close {
    position: absolute; top: 32px; right: 40px; z-index: 10;
    background: none; border: 1px solid rgba(255,255,255,.3);
    color: #fff; width: 44px; height: 44px; border-radius: 50%;
    font-size: 16px; cursor: pointer;
    transition: border-color .2s, background .2s;
    display: flex; align-items: center; justify-content: center;
  }
  .lb-close:hover { border-color: #fff; background: rgba(255,255,255,.1); }
  .lb-caption {
    position: absolute; bottom: 40px; left: 48px; z-index: 10;
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(28px, 4vw, 52px);
    letter-spacing: .04em; color: #fff;
    opacity: 0; transform: translateY(16px);
    transition: opacity .5s ease .2s, transform .5s ease .2s;
  }
  .proj-lightbox.open .lb-caption {
    opacity: 1; transform: translateY(0);
  }

  /* ─── REVEAL ─── */
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.d1 { transition-delay: .1s; }
  .reveal.d2 { transition-delay: .2s; }
  .reveal.d3 { transition-delay: .3s; }
  .reveal.on { opacity: 1; transform: none; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 960px) {
    /* cursor off on touch */
    .cursor, .cursor-ring { display: none; }
    body { cursor: auto; }
    a, button { cursor: pointer; }

    /* nav */
    nav { padding: 16px 24px; }
    .nav-links { display: none; }
    .burger { display: flex; }

    /* hero */
    .hero { padding: 0 24px 48px; min-height: 100svh; }
    .hero-aside, .hero-sub, .hero-card, .hero-dots { display: none; }
    .hero-logo-svg svg { width: min(72vw, 360px); }
    .hero-eyebrow { font-size: 10px; }

    /* about */
    .about { grid-template-columns: 1fr; gap: 12px; padding: 64px 24px; }

    /* nav hide on scroll */
    nav {
      transition: transform .35s cubic-bezier(.4,0,.2,1), background .55s, border-color .55s;
    }
    nav.nav-hidden { transform: translateY(-100%); }

    /* track — version mobile complète */
    .process { padding: 56px 24px; }
    .process-eclat { width: 130%; left: -15%; bottom: 0; }
    .process-top { grid-template-columns: 1fr; gap: 12px; margin-bottom: 40px; }

    /* Cacher le SVG de piste sur mobile */
    .track-wrap { display: none; }

    /* Afficher une version verticale étape par étape */
    .track-mobile {
      display: flex;
      flex-direction: column;
      gap: 0;
      border-top: 1px solid var(--border);
    }
    .track-mobile-step {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 20px;
      align-items: stretch;
      border-bottom: 1px solid var(--border);
      padding: 28px 0;
      position: relative;
    }
    .tms-left {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-top: 4px;
      gap: 12px;
    }
    .tms-num {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 13px;
      letter-spacing: .15em;
      color: var(--red);
    }
    .tms-line {
      width: 1px;
      flex: 1;
      background: var(--border);
      min-height: 24px;
    }
    .track-mobile-step:last-child .tms-line { display: none; }
    .tms-dot {
      width: 8px; height: 8px;
      border-radius: 50%;
      background: var(--red);
      flex-shrink: 0;
    }
    .tms-right { padding: 4px 0 4px; position: relative; overflow: hidden; }
    .tms-name {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 28px;
      letter-spacing: .04em;
      line-height: 1;
      color: var(--fg);
      margin-bottom: 10px;
      transition: color .35s;
    }
    .tms-tag {
      display: inline-block;
      font-size: 9px; letter-spacing: .2em; text-transform: uppercase;
      color: var(--red); border: 1px solid rgba(255,20,35,.25);
      padding: 3px 10px; border-radius: 100px; margin-bottom: 12px;
    }
    .tms-text {
      font-size: 13px; color: var(--grey); line-height: 1.7;
      font-weight: 300; transition: color .35s;
    }

    .ti-text { font-size: 11px; }

    /* services */
    .services { padding: 64px 24px; }
    .svc-grid { grid-template-columns: 1fr; }
    .sec-top { flex-direction: column; align-items: flex-start; gap: 12px; }

    /* projects */
    .projects { padding: 64px 24px; }
    .proj-row { grid-template-columns: 36px 72px 1fr; gap: 12px; padding: 24px 0; }
    .proj-thumb { width: 72px; height: 52px; }
    .proj-meta { display: none; }
    .proj-name { font-size: clamp(24px, 6vw, 36px); }

    /* svc band */
    .svc-band { padding: 60px 24px; }

    /* contact */
    .contact { grid-template-columns: 1fr; padding: 64px 24px; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .form-row .field:first-child { border-right: none; padding-right: 0; }
    .form-row .field:last-child { padding-left: 0; }

    /* footer */
    .footer-top { flex-direction: column; align-items: flex-start; padding: 48px 24px 36px; }
    .footer-tagline { text-align: left; max-width: 100%; }
    .footer-bottom { grid-template-columns: 1fr; gap: 16px; padding: 20px 24px; text-align: center; }
    .footer-links { justify-content: center; flex-wrap: wrap; gap: 20px; }
    .footer-social { justify-content: center; }
    .footer-big-logo svg { height: 48px; }
  }

  @media (max-width: 480px) {
    nav { padding: 14px 20px; }
    .hero { padding: 0 20px 40px; }
    .about { padding: 52px 20px; }
    .process, .services, .projects, .svc-band { padding: 52px 20px; }
    .contact { padding: 52px 20px; }
    .track-info { display: none; }
    .footer-top { padding: 36px 20px 28px; }
    .footer-bottom { padding: 16px 20px; }
    .mobile-menu { padding: 80px 28px 32px; }
    .process-eclat { width: 160%; left: -20%; bottom: 0; }
  }