/* ReCorbs — charte « REC » */
:root{
  --noir:#0B0C0D; --nuit:#16282A; --nuit-2:#0F1C1E; --timeline:#1C1E21; --ligne:#25272A;
  --papier:#EFECE4; --texte-2:#D6D3CB; --gris:#8E8C86; --gris-2:#BEBBB3;
  --rec:#FF4B3E; --ambre:#E8A33D;
  --display:'Archivo', 'Arial Narrow', sans-serif;
  --sans:'IBM Plex Sans', system-ui, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;
  --gutter:clamp(20px, 5vw, 56px);
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--noir);color:var(--papier);font-family:var(--sans);font-size:17px;line-height:1.6;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit}
a:hover{color:var(--rec)}
:focus-visible{outline:2px solid var(--rec);outline-offset:3px;border-radius:2px}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--rec);color:var(--noir);padding:10px 14px;z-index:100}
.skip:focus{left:8px}
.mono{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase}
.small{font-size:12px}
.muted{color:var(--gris-2)}
.label{font-size:12px;color:var(--gris);margin-bottom:16px}
.dot{color:var(--rec)}
.wrap{width:min(var(--wrap), 100% - 2*var(--gutter));margin-inline:auto}
.h-section{font-family:var(--display);font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:.98;font-size:clamp(36px, 5vw, 58px)}

/* logotype REC●RBS */
.wordmark{font-family:var(--display);font-weight:900;letter-spacing:-.02em;text-decoration:none;font-size:22px;line-height:1;white-space:nowrap}
.rec-o{display:inline-block;width:.64em;height:.64em;border-radius:50%;background:var(--rec);margin:0 .03em}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:6px;font-weight:600;font-size:15px;text-decoration:none;transition:background .2s,color .2s,border-color .2s}
.btn-ghost{border:1px solid var(--papier)}
.btn-ghost:hover{border-color:var(--rec)}
.btn-rec{background:var(--rec);color:var(--noir)}
.btn-rec:hover{background:var(--papier);color:var(--noir)}
.round{width:48px;height:48px;border-radius:50%;border:1px solid var(--papier);background:none;color:var(--papier);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.round:hover{border-color:var(--rec);color:var(--rec)}

/* navigation */
.nav{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px var(--gutter);transition:background .3s,padding .3s}
.nav.scrolled{background:rgba(11,12,13,.88);backdrop-filter:blur(10px);padding-block:12px}
.nav.menu-open{backdrop-filter:none;background:var(--noir)}
.nav-links{display:flex;gap:40px;font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.nav-links a{text-decoration:none}
.nav-cta-mobile{display:none}
.burger{display:none}

/* héros */
.hero{position:relative;min-height:max(640px, 100svh);overflow:hidden;display:flex;flex-direction:column;align-items:center;padding-top:clamp(96px, 13vh, 120px);
  background:radial-gradient(ellipse 70% 60% at 68% 55%, #2B4B48 0%, var(--nuit) 45%, var(--noir) 100%)}
.hero-kicker{font-size:clamp(11px, 1vw, 13px);letter-spacing:.24em;color:var(--gris-2);position:relative;z-index:2}
.hero-title{font-family:var(--display);font-weight:900;font-stretch:62%;font-variation-settings:'wdth' 62;line-height:.9;white-space:nowrap;
  font-size:clamp(84px, 23vw, 340px);margin-top:4px;position:relative;z-index:1;will-change:transform}
.hero-title .rec-o{width:.5em;height:.5em}
.hero-frame{position:relative;z-index:2;width:min(760px, 88vw);aspect-ratio:16/10;margin-top:clamp(-110px, -6vw, -12px);border-radius:4px;overflow:hidden;
  background:radial-gradient(ellipse 60% 70% at 50% 60%, #3B5E59 0%, #1E3634 55%, #10191A 100%);box-shadow:0 40px 120px rgba(0,0,0,.55);will-change:transform}
.hero-video{width:100%;height:100%;object-fit:cover}
.hero-bottom{position:relative;z-index:3;width:100%;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding:32px var(--gutter) 48px;margin-top:auto}
.hero-left{display:flex;flex-direction:column;gap:14px}
.timecode{font-size:13px}
.play-link{display:inline-flex;align-items:center;gap:14px;text-decoration:none;font-weight:500}
.play{width:52px;height:52px;border-radius:50%;border:1px solid currentColor;display:inline-flex;align-items:center;justify-content:center}
.hero-right{max-width:340px;display:flex;flex-direction:column;gap:10px;text-align:right}
.hero-tagline{font-family:var(--display);font-weight:800;font-stretch:80%;font-variation-settings:'wdth' 80;text-transform:uppercase;color:var(--ambre);font-size:clamp(22px, 2.2vw, 30px);line-height:1.05}

/* bandeau expériences */
.logos{display:flex;align-items:center;gap:clamp(20px, 5vw, 64px);padding:40px var(--gutter);border-bottom:1px solid var(--ligne);justify-content:center;flex-wrap:wrap}
.logos .label{margin:0}
.logos ul{display:flex;flex-wrap:wrap;gap:16px clamp(24px, 5vw, 64px);justify-content:center}
.logos li{font-family:var(--display);font-weight:800;font-size:clamp(17px, 1.8vw, 22px);color:var(--gris-2)}

/* synopsis */
.synopsis{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px, 6vw, 80px);align-items:center;padding-block:clamp(80px, 12vw, 140px)}
.synopsis del{color:var(--gris);text-decoration-color:var(--rec);text-decoration-thickness:.09em}
.synopsis ins{text-decoration:none}
.synopsis-text{display:flex;flex-direction:column;gap:18px;color:var(--texte-2);font-size:18px}

/* projets */
.projets{padding-bottom:clamp(64px, 10vw, 120px)}
.projets-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px}
.carousel-ctrl{display:flex;gap:10px}
.track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 max(var(--gutter), calc((100% - var(--wrap)) / 2));scrollbar-width:none;scroll-padding-inline:max(var(--gutter), calc((100% - var(--wrap)) / 2))}
.track::-webkit-scrollbar{display:none}
.card{flex:0 0 min(880px, 84vw);scroll-snap-align:start;display:flex;flex-direction:column;gap:18px}
.card.vertical{flex-basis:min(340px, 70vw)}
.media{position:relative;aspect-ratio:16/9;background:radial-gradient(ellipse 60% 70% at 40% 45%, #3A3F4A 0%, var(--timeline) 60%, #0F1011 100%);overflow:hidden;border-radius:4px}
.card.vertical .media{aspect-ratio:9/16}
.media img,.media iframe,.media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.media-btn{position:absolute;inset:0;width:100%;border:0;padding:0;background:none;color:var(--papier);cursor:pointer}
.media-btn .play{position:absolute;right:24px;top:24px;background:rgba(11,12,13,.4)}
.media-btn:hover .play{border-color:var(--rec);color:var(--rec)}
.media-empty{position:absolute;left:24px;top:24px;font-size:12px;color:var(--gris)}
.card h3{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:clamp(24px, 3vw, 40px);line-height:1;letter-spacing:-.01em}
.card .meta{font-size:13px;color:var(--gris-2)}
.card .ext{font-size:13px}
.progress{display:flex;align-items:center;gap:14px;margin-top:28px}
.bars{display:flex;gap:10px}
.bars span{width:28px;height:3px;background:#3A3C40;display:block;transition:background .3s}
.bars span.on{background:var(--rec)}

/* services */
.services{background:var(--nuit);padding-block:clamp(72px, 10vw, 110px)}
.services .label{color:#9FB3B2}
.cards{display:grid;grid-template-columns:repeat(4, minmax(0, 1fr));gap:20px;margin-top:40px}
.cards li{background:var(--nuit-2);border-radius:10px;padding:28px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.cards .num{color:var(--rec);font-size:13px}
.cards h3{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:24px;line-height:1.05;margin-bottom:10px}
.cards p{color:#C9D2D1;font-size:15px;line-height:1.5}

/* contact */
.contact{display:flex;flex-direction:column;align-items:center;text-align:center;padding-block:clamp(90px, 14vw, 170px);gap:18px}
.contact .label{margin:0}
.contact-title{font-family:var(--display);font-weight:900;font-stretch:62%;font-variation-settings:'wdth' 62;text-transform:uppercase;line-height:.85;font-size:clamp(60px, 16vw, 210px);max-width:100%}
.contact-sub{color:var(--texte-2);max-width:520px}
.contact-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 24px;margin-top:10px}
.contact-mail{font-size:15px;text-transform:none;letter-spacing:.02em;text-decoration:none}

/* pied de page */
.footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:32px var(--gutter);border-top:1px solid var(--ligne);font-size:12px;color:var(--gris)}
.footer ul{display:flex;gap:28px}
.footer a{text-decoration:none;color:var(--gris-2)}

/* page texte (mentions légales) */
.page{padding-block:140px 90px;max-width:760px}
.page h1{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:clamp(36px, 6vw, 56px);line-height:1;margin-bottom:40px}
.page h2{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:20px;margin:40px 0 10px}
.page p{color:var(--texte-2)}

/* tablette */
@media (max-width: 960px){
  .nav-links{gap:24px}
  .cards{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .synopsis{grid-template-columns:1fr}
}
/* mobile */
@media (max-width: 720px){
  body{font-size:16px}
  .nav-cta{display:none}
  .burger{position:relative;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:44px;height:44px;border:1px solid #5A5C60;border-radius:6px;background:none;cursor:pointer;z-index:2}
  .burger span{width:18px;height:2px;background:var(--papier);transition:transform .25s}
  .burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
  .burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
  .nav-links{position:fixed;inset:0;flex-direction:column;justify-content:center;align-items:center;gap:28px;background:var(--noir);font-size:18px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
  .nav-links.open{opacity:1;visibility:visible}
  .nav-cta-mobile{display:block}
  .nav-cta-mobile a{color:var(--rec)}
  .hero-frame{aspect-ratio:4/5;width:min(420px, 88vw);margin-top:6px}
  .hero-bottom{flex-direction:column;align-items:flex-start;padding-bottom:36px}
  .hero-right{text-align:left}
  .cards{grid-template-columns:1fr}
  .cards li{min-height:0}
  .projets-head .carousel-ctrl{display:none}
  .footer{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  [data-parallax]{transform:none!important}
}