:root{
    --bg:#06060b; --cyan:#00f0ff; --violet:#7b2ff7; --line:#f8f8fa; --text:#f8f8fa; --muted:#aeb0bd;
    --warm:#e8a24c; --warm2:#d2703a;
    --display:'Clash Display',sans-serif; --body:'General Sans',sans-serif; --mono:'Space Mono',monospace;
    --grad:linear-gradient(120deg,var(--cyan),var(--violet));
    --gradw:linear-gradient(120deg,var(--warm),var(--warm2));
    --th:var(--cyan);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body)}

  /* ===== Ambiances enchaînées : journal (contenu) -> jaune contact (newsletter) ===== */
  .oamb{position:fixed;inset:0;z-index:1;overflow:hidden;pointer-events:none;will-change:opacity}
  .oamb video{width:100%;height:100%;object-fit:cover;transform-origin:center;transform:scale(1.14);transition:transform 1.2s cubic-bezier(.22,1,.36,1)}
  .oamb.act video{transform:scale(1)}
  .oamb::after{content:"";position:absolute;inset:0;
    background:radial-gradient(62% 64% at 50% 46%, #06060b00 0%, #06060b70 64%, #06060bd9 100%)}
  #ambJournal video{filter:brightness(.56) saturate(1.05)}
  #ambWarm{opacity:0}
  #ambWarm video{filter:brightness(.5) saturate(1.12)}
  .oamb__head{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);width:min(940px,92vw);text-align:center;will-change:opacity,transform}
  .oamb__head h1{filter:drop-shadow(0 2px 18px #06060bcc)}.oamb__head p{text-shadow:0 2px 20px #06060bcc,0 0 4px #06060b99}

  .page{position:relative;z-index:2}
  .eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin:0 0 22px}
  h1{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-.01em;font-size:clamp(2.4rem,6.4vw,4.8rem);margin:0 0 20px;text-shadow:0 2px 34px #06060b}
  h1 em{font-style:normal;color:#ffcf7a}
  .hero__lede{font-size:clamp(1.02rem,1.8vw,1.28rem);color:var(--text);max-width:60ch;margin:0 auto;line-height:1.6}
  .hero__cue{display:inline-block;margin-top:34px;font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:#8a8a96}
  .hero__cue span{display:inline-block;animation:bob 1.6s ease-in-out infinite}
  @keyframes bob{50%{transform:translateY(5px)}}

  .reveal{opacity:0;transform:translateY(40px) scale(.97);transition:opacity .75s cubic-bezier(.22,1,.36,1),transform .75s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--i,0)*70ms)}
  .reveal.in{opacity:1;transform:none}

  .sec{position:relative;padding:clamp(60px,9vh,120px) 6vw}
  .sec__wrap{position:relative;z-index:2;max-width:1180px;margin:0 auto}
  .sec--top{padding-top:100vh}
  .sec--amb{padding-top:clamp(84px,20vh,210px)}

  /* ===== Filtres (chips à coin coupé) ===== */
  .filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 clamp(26px,4vh,40px)}
  .chip{position:relative;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
    background:#ffffff14;border:none;padding:.54rem 1.05rem;cursor:pointer;
    clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
    transition:color .2s ease,background .2s ease}
  .chip:hover{color:var(--text);background:#ffffff26}
  .chip[aria-pressed="true"]{color:#06060b;background:var(--cyan)}
  .chip[data-f="terrain"][aria-pressed="true"]{background:#4ade80}
  .chip[data-f="coulisses"][aria-pressed="true"]{background:#f4a0b5}
  .chip[data-f="comprendre"][aria-pressed="true"]{background:#00f0ff}
  .chip[data-f="innovation"][aria-pressed="true"]{background:#9d7cff}
  .chip[data-f="entreprendre"][aria-pressed="true"]{background:#ffb347}

  /* ===== Article à la une ===== */
  .une{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(22px,3vw,44px);align-items:stretch;margin:0 0 clamp(34px,6vh,60px);
    border:1px solid #ffffff14;border-radius:0;overflow:hidden;background:#0b0b16cc;text-decoration:none;transition:border-color .25s,box-shadow .25s}
  .une:hover{border-color:var(--th);box-shadow:0 30px 70px -40px var(--th)}
  .une__media{position:relative;overflow:hidden;min-height:260px;background:#11111e}
  .une__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
  .une:hover .une__media img{transform:scale(1.04)}
  .une__tag{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:.56rem;letter-spacing:.12em;text-transform:uppercase;color:#06060b;background:var(--th);padding:5px 12px;
    clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}
  .une__body{padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:center}
  .une__k{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--th);margin:0 0 12px}
  .une__title{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,2.8vw,2.3rem);line-height:1.14;margin:0 0 14px;color:var(--text)}
  .une__resume{font-size:1rem;color:var(--muted);line-height:1.62;margin:0 0 20px}
  .une__lire{font-weight:600;color:var(--th);display:inline-flex;align-items:center;gap:.5rem}

  /* ===== Grille ===== */
  .jgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;transition:opacity .22s ease}
  .jgrid.filtering{opacity:0}
  .post{display:flex;flex-direction:column;border:1px solid #ffffff14;border-radius:0;overflow:hidden;background:#0b0b16cc;text-decoration:none;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
  .post:hover{transform:translateY(-5px);border-color:var(--th);box-shadow:0 22px 48px -24px var(--th)}
  .post[hidden]{display:none}
  .post__media{position:relative;aspect-ratio:1200/630;overflow:hidden;background:#11111e}
  .post__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
  .post:hover .post__media img{transform:scale(1.05)}
  .post__body{padding:16px 17px 19px;display:flex;flex-direction:column;flex:1}
  .post__meta{display:flex;align-items:center;gap:10px;margin:0 0 10px}
  .post__theme{font-family:var(--mono);font-size:.56rem;letter-spacing:.1em;text-transform:uppercase;color:var(--th);background:color-mix(in srgb,var(--th) 16%,transparent);padding:.26rem .6rem;
    clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px)}
  .post__date{font-family:var(--mono);font-size:.62rem;letter-spacing:.04em;color:#7a7a88}
  .post__title{font-family:var(--display);font-weight:600;font-size:1.06rem;line-height:1.28;margin:0 0 9px;color:var(--text)}
  .post__resume{font-size:.88rem;color:var(--muted);line-height:1.55;margin:0 0 14px;flex:1}
  .post__lire{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--th);display:inline-flex;align-items:center;gap:.4rem}

  .post[data-theme="terrain"],.une[data-theme="terrain"]{--th:#4ade80}
  .post[data-theme="coulisses"],.une[data-theme="coulisses"]{--th:#f4a0b5}
  .post[data-theme="comprendre"],.une[data-theme="comprendre"]{--th:#00f0ff}
  .post[data-theme="innovation"],.une[data-theme="innovation"]{--th:#9d7cff}
  .post[data-theme="entreprendre"],.une[data-theme="entreprendre"]{--th:#ffb347}

  .empty{display:none;text-align:center;color:var(--muted);font-size:1rem;padding:40px 0}
  .empty.show{display:block}

  /* ===== Boutons signature : tracé ECG (pouls), contour biseauté complet ===== */
  .btn{position:relative;display:inline-flex;align-items:center;gap:.7rem;font-family:var(--body);font-weight:600;font-size:.96rem;color:var(--text);
    text-decoration:none;cursor:pointer;background:#00f0ff5c;padding:.86rem 1.5rem;
    clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
    transition:transform .2s ease,filter .25s ease,background .25s ease}
  .btn::after{content:"";position:absolute;inset:1.5px;z-index:-1;background:#0a0a12;
    clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px)}
  .btn::before{content:"";width:30px;height:16px;flex:none;opacity:.92;
    background:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='58'%20height='16'%20viewBox='0%200%2058%2016'%3E%3Cpath%20d='M0%208H17l3-5%204%2010%203-12%203%207h25'%20fill='none'%20stroke='%2300f0ff'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/svg%3E") repeat-x left center/58px 16px;
    animation:ecgscroll 1.9s linear infinite}
  @keyframes ecgscroll{to{background-position-x:-58px}}
  .btn svg{width:16px;height:16px;transition:transform .25s ease}
  .btn:hover{transform:translateY(-2px);background:var(--cyan);filter:drop-shadow(0 8px 18px #00f0ff88)}
  .btn:hover::after{background:#0d1420}
  .btn:hover::before{animation-duration:.85s}
  .btn:hover svg{transform:translateX(4px)}
  .btn--warm{background:var(--warm)}
  .btn--warm::after{background:#140c03;transform-origin:right;transition:transform .4s cubic-bezier(.22,1,.36,1)}
  .btn--warm::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='58'%20height='16'%20viewBox='0%200%2058%2016'%3E%3Cpath%20d='M0%208H17l3-5%204%2010%203-12%203%207h25'%20fill='none'%20stroke='%23e8a24c'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/svg%3E")}
  .btn--warm:hover{transform:translateY(-2px);background:var(--warm);color:#1a1206;filter:none}
  .btn--warm:hover::after{transform:scaleX(0)}
  .btn--warm:hover::before{filter:brightness(0)}

  /* ===== Newsletter ===== */
  .news{position:relative;border:1px solid #e8a24c33;border-radius:0;padding:clamp(34px,5vw,60px);background:linear-gradient(160deg,#140f08cc,#0a0a12cc);overflow:hidden;text-align:center}
  .news::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 120% at 50% 0%,#e8a24c1c,transparent 62%);pointer-events:none}
  .news__k{position:relative;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--warm);margin:0 0 12px}
  .news h2{position:relative;font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3vw,2.3rem);margin:0 0 12px;line-height:1.14}
  .news p{position:relative;color:var(--muted);line-height:1.6;max-width:50ch;margin:0 auto 24px}
  .news__form{position:relative;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:540px;margin:0 auto}
  .news__form input{flex:1 1 260px;background:#0a0a12;border:1px solid #ffffff22;border-radius:8px;padding:.85rem 1.3rem;color:var(--text);font-family:var(--body);font-size:.95rem}
  .news__form input:focus{outline:2px solid var(--warm);outline-offset:1px;border-color:transparent}
  .news__form .btn{flex:none}
  .news__fine{position:relative;font-size:.78rem;color:#7a7a88;margin:16px 0 0}

  /* ===== En-tête d'ancres ===== */
  .nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:14px clamp(16px,4vw,38px);background:linear-gradient(180deg,#06060bcc,#06060b00);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease}
  .nav.scrolled{background:#06060be6;border-bottom-color:#ffffff12}
  .nav__logo{display:inline-flex;align-items:center;gap:11px;font-family:var(--display);font-weight:800;letter-spacing:.14em;font-size:.86rem;color:var(--text);text-decoration:none;white-space:nowrap}
  .nav__logo img{display:block;height:23px;width:auto}
    .nav__right{display:flex;align-items:center;gap:24px}
  .nav__links{display:flex;align-items:center;gap:24px}
  .nav__links a{font-size:.88rem;color:var(--muted);text-decoration:none;transition:color .2s ease}
  .nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--text)}
  .nav__links a[aria-current="page"]{position:relative}
  .nav__links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px}
  .nav__cta{position:relative;display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.88rem;color:var(--text);
    background:#e8a24c70;padding:.56rem 1.1rem;text-decoration:none;white-space:nowrap;
    clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
    transition:transform .2s ease,filter .25s ease,background .25s ease}
  .nav__cta::after{content:"";position:absolute;inset:1.4px;z-index:-1;background:#120d07;
    clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px)}
  .nav__cta svg{width:15px;height:15px}
  .nav__cta:hover{transform:translateY(-2px);background:var(--warm);filter:drop-shadow(0 8px 16px #e8a24c88)}
  .nav__cta:hover::after{background:#1a1206}
  @media (max-width:760px){ .nav__links{display:none} .nav__right{gap:0} }

  /* ===== Footer signature ===== */
  .foot{position:relative;z-index:40;overflow:hidden;background:#07070d;border-top:1px solid #ffffff14;padding:clamp(50px,7vh,88px) 6vw clamp(18px,3vh,30px);color:var(--muted)}
  .foot::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 130% at 50% 0%,#7b2ff716,transparent 68%);pointer-events:none}
  .foot__pulse{display:block;width:100%;height:42px;margin:clamp(34px,5vh,56px) 0 clamp(16px,3vh,26px);opacity:.55;overflow:visible}
  .foot__pulse path{fill:none;stroke:url(#footGrad);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:14 10;animation:footflow 2.6s linear infinite}
  @keyframes footflow{to{stroke-dashoffset:-48}}
  .foot__wrap{position:relative;z-index:2;max-width:1180px;margin:0 auto}
  .foot__cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;padding:0 0 clamp(34px,5vh,52px);margin:0 0 clamp(34px,5vh,52px);border-bottom:1px solid #ffffff14}
  .foot__cta h2{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3.4vw,2.5rem);line-height:1.1;margin:0;color:var(--text);letter-spacing:-.01em}
  .foot__cta h2 em{font-style:normal;color:#ffcf7a}
  .foot__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px 24px}
  .foot__brand p{margin:0 0 9px;font-size:.9rem;line-height:1.6;max-width:36ch}
  .foot__brand a{color:var(--muted);text-decoration:none}
  .foot__brand a:hover{color:var(--text)}
  .foot__col h4{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 15px}
  .foot__col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .foot__col a{font-size:.9rem;color:#b8bac4;text-decoration:none;transition:color .2s ease}
  .foot__col a:hover{color:var(--cyan)}
  .foot__lockup{display:flex;align-items:center;gap:13px;margin:0 0 14px}
  .foot__mark{width:clamp(52px,6vw,70px);height:auto;flex:none;opacity:.95;animation:footglow 4.5s ease-in-out infinite}
  .foot__name{font-family:var(--display);font-weight:800;font-size:.98rem;color:var(--text);letter-spacing:.14em}
    @keyframes footglow{0%,100%{filter:drop-shadow(0 0 7px #00f0ff40)}50%{filter:drop-shadow(0 0 15px #00f0ff82) drop-shadow(0 0 30px #7b2ff755)}}
  .foot__bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:.8rem}
  .foot__bottom p{margin:0}

  @media (max-width:900px){ .jgrid{grid-template-columns:1fr 1fr} .une{grid-template-columns:1fr} .une__media{min-height:200px;aspect-ratio:1200/630} }
  @media (max-width:820px){ .foot__top{grid-template-columns:1fr 1fr} .foot__brand{grid-column:1/-1} }
  @media (max-width:600px){ .jgrid{grid-template-columns:1fr} }
  @media (max-width:480px){ .foot__top{grid-template-columns:1fr} .foot__bottom{flex-direction:column;align-items:flex-start} }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none;transition:none}
    .foot__pulse path,.foot__mark,.hero__cue span,.btn::before{animation:none}
    .oamb video{transform:scale(1.06)!important;transition:none}
    #ambJournal{opacity:.2}
    .jgrid{transition:none}
  }