/* ===== TIMELINE — Cycle infini d'un site vivant ===== */
.tl-body{background:#131110;color:#e9e4d8}
/* Curseur custom : blanc au survol d'un lien (sinon invisible sur fond sombre) */
.tl-body .cursor-tri.is-hover::before{background:var(--paper)}
.tl-body .topbar{background:rgba(19,17,16,.82);backdrop-filter:blur(12px);border-bottom:2px solid var(--ink)}
.tl-body .brand b{color:var(--paper)}
.tl-body .brand b span{color:var(--lime)}
.tl-body .brand .brand-tag{color:var(--paper);border-color:var(--dline)}
.tl-body .brand .brand-tag b{color:var(--lime)}
.tl-body .quicknav a{color:#a49c8b}
.tl-body .quicknav a:hover{color:var(--lime);text-decoration-color:var(--lime)}
.tl-body .menu{color:var(--paper);border-color:var(--dline)}
.tl-body .btn-ghost{background:transparent;border-color:var(--dline);color:var(--paper)}
.tl-body .btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.tl-body .footer .foot-col a,.tl-body .footer .foot-col button{color:#a49c8b}
.tl-body .footer .foot-col a:hover,.tl-body .footer .foot-col button:hover{color:var(--lime)}
.tl-body .foot-status,.tl-body .foot-brand p{color:#8d8572}

#tl-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}
.tl-vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at 50% 40%,transparent 55%,rgba(19,17,16,.7) 100%)}

.tl-main{position:relative;z-index:2;width:min(calc(100% - 44px),1540px);margin:0 auto;padding:114px 0 40px}
.tl-kicker{font:600 11px var(--mono);letter-spacing:.16em;color:var(--lime);text-transform:uppercase}

/* ===== HERO ===== */
.tl-hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;position:relative}
.tl-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.tl-hero h1{font-size:clamp(44px,6vw,82px);font-weight:700;line-height:.98;letter-spacing:-.04em;margin:20px 0 22px;color:var(--paper)}
.tl-hero h1 .hl{color:var(--lime);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:.1em;text-underline-offset:.1em}
.tl-sub{font-size:clamp(15px,1.3vw,19px);line-height:1.65;color:#a49c8b;max-width:52ch;margin:0}
.tl-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;align-items:stretch}
.tl-actions .btn-primary.big,.tl-actions .btn-ghost.big{height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 24px;font-size:15px;line-height:1;box-sizing:border-box}
.tl-actions .btn-ghost.big{border-color:var(--dline);color:var(--paper);background:transparent}
.tl-actions .btn-ghost.big:hover{border-color:var(--lime);color:var(--lime)}

/* ===== MONITOR ===== */
.tl-monitor{background:rgba(28,26,23,.9);border:2px solid var(--dline);padding:20px;box-shadow:0 24px 70px rgba(0,0,0,.45);backdrop-filter:blur(8px)}
.tl-monitor-head{display:flex;align-items:center;justify-content:space-between;padding:0 6px 14px;border-bottom:2px solid var(--dline);font:500 10px var(--mono);letter-spacing:.12em;color:#a49c8b}
.tl-monitor-head b{color:var(--lime);font-size:10px}
.tl-ekg{display:block;width:100%;height:190px;margin-top:16px;overflow:visible}
.tl-ekg-base{fill:none;stroke:var(--dline);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tl-ekg-line{fill:none;stroke:var(--brand);stroke-width:2.5;stroke-linecap:square;stroke-linejoin:round;filter:drop-shadow(0 0 6px rgba(43,84,255,.6));stroke-dasharray:60 540;stroke-dashoffset:600;animation:ekg-run 2.6s linear infinite}
@keyframes ekg-run{to{stroke-dashoffset:-600}}
.tl-monitor-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.tl-monitor-stats div{background:var(--dark);border:2px solid var(--dline);padding:14px;display:flex;flex-direction:column;gap:4px}
.tl-monitor-stats b{font:700 26px var(--display);color:var(--paper);letter-spacing:-.02em}
.tl-monitor-stats span{font:500 10px var(--mono);letter-spacing:.08em;color:#8d8572;text-transform:uppercase}

.tl-scroll{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font:600 10px var(--mono);letter-spacing:.2em;color:#8d8572}
.tl-scroll i{width:2px;height:36px;background:linear-gradient(var(--lime),transparent);animation:tl-drop 1.6s ease-in-out infinite}
@keyframes tl-drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ===== FLOW ===== */
.tl-flow{position:relative;max-width:980px;margin:70px auto 0}
.tl-flow::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,transparent,var(--brand) 5%,var(--brand) 95%,transparent);opacity:.55}

.tl-beat{position:relative;display:grid;grid-template-columns:1fr 90px 1fr;align-items:center;margin-bottom:44px}
.tl-beat .tl-card{grid-column:1}
.tl-beat.tl-right .tl-card{grid-column:3;grid-row:1}
.tl-beat-marker{grid-column:2;grid-row:1;justify-self:center;position:relative;z-index:2}
.tl-beat-marker span{display:grid;place-items:center;width:52px;height:52px;background:var(--dark);border:2px solid var(--lime);color:var(--paper);font:700 15px var(--mono);box-shadow:0 0 0 6px rgba(43,84,255,.18),0 0 24px rgba(43,84,255,.5)}
.tl-beat-marker::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:70px;height:70px;border:1.5px dashed var(--lime);opacity:.3;animation:tl-spin 14s linear infinite}
@keyframes tl-spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* ===== CARD ===== */
.tl-card{display:block;background:rgba(28,26,23,.72);border:2px solid var(--dline);padding:28px;backdrop-filter:blur(10px);transition:transform .2s,border-color .2s,box-shadow .2s;text-decoration:none}
.tl-card:hover{transform:translate(-3px,-3px);border-color:var(--brand);box-shadow:6px 6px 0 rgba(43,84,255,.55)}
.tl-phase{display:block;font:600 10px var(--mono);letter-spacing:.14em;color:var(--lime);text-transform:uppercase;margin-bottom:8px}
.tl-card h2{font-size:24px;font-weight:700;letter-spacing:-.02em;color:var(--paper);margin:0 0 12px}
.tl-card p{color:#a49c8b;font-size:14.5px;line-height:1.65;margin:0}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.tl-tags li{font:500 11px var(--mono);color:var(--paper);border:1.5px solid var(--dline);padding:5px 10px;background:rgba(43,84,255,.14)}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .tl-hero-grid{grid-template-columns:1fr;gap:40px}
  .tl-flow::before{left:25px}
  .tl-beat,.tl-beat.tl-right{grid-template-columns:50px 1fr;gap:0}
  .tl-beat .tl-card,.tl-beat.tl-right .tl-card{grid-column:2;grid-row:1}
  .tl-beat-marker{grid-column:1;grid-row:1;justify-self:start}
}
@media(max-width:640px){
  .tl-main{width:calc(100% - 32px)}
  .tl-hero h1{font-size:38px}
  .tl-card{padding:24px}
  .tl-monitor{padding:14px}
  .tl-ekg{height:140px}
}