/* ================= BASE ================= */
:root{
  color-scheme:dark;
  box-sizing:border-box;
  --bg:#08090f; --bg-alt:#0d0f18; --ink:#f1f4fa; --muted:#a8b2c6; --line:rgba(255,255,255,.14);
  --blue:#2b57d8; --red:#e3262f; --glass:rgba(8,10,18,.66);
  --font:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --display:"Anton","Arial Black",sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:72px}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.55;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:3px solid #ffd84a;outline-offset:3px}

/* ================= HEADER ================= */
.site-head{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:calc(.9rem + env(safe-area-inset-top,0px)) clamp(1rem,4vw,3rem) .9rem;
  background:linear-gradient(180deg,rgba(5,7,14,.65),rgba(5,7,14,0));transition:background .25s}
.site-head.solid{background:rgba(7,9,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:1rem;text-decoration:none;font-weight:600;letter-spacing:.07em;font-size:1.02rem}
.flag{width:32px;height:22px;border-radius:2px;display:block;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.25)}
nav{display:flex;gap:1.9rem}
nav a{text-decoration:none;font-weight:500;font-size:.98rem;padding:.35rem 0;border-bottom:2px solid transparent;color:#e4e9f4;transition:border-color .2s}
nav a[aria-current="true"]{border-color:#fff;color:#fff}
nav a:hover{border-color:rgba(255,255,255,.55)}

/* ================= HERO / STAGE ================= */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden;background:#05060b;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start}
.stage{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero.glitching .stage{animation:shake .9s steps(2,end) both}

.layer{position:absolute;inset:-2%;background-size:cover;background-position:center 55%;
  opacity:0;will-change:transform,clip-path,filter}
.layer.on{opacity:1}

/* --- clones RGB (visibles seulement pendant le glitch) --- */
.clone{position:absolute;inset:-2%;background-size:cover;background-position:center 55%;
  opacity:0;pointer-events:none;mix-blend-mode:screen;will-change:transform,clip-path}
.hero.glitching .clone{opacity:.85}
.hero.glitching .clone-r{animation:cloneR .9s steps(3,end) both}
.hero.glitching .clone-c{animation:cloneC .9s steps(3,end) both}

/* --- couches sortante / entrante --- */
.hero.glitching .layer.leave{animation:glitchOut .9s steps(4,end) both}
.hero.glitching .layer.enter{animation:glitchIn .9s steps(5,end) both}

/* --- parasitage du texte pendant le glitch --- */
.hero.glitching .copy{animation:copyGlitch .9s steps(3,end) both}
.hero.glitching .count .unit{animation:unitGlitch .9s steps(4,end) both}

/* --- flash noir au moment de la bascule --- */
.flash{position:absolute;inset:0;z-index:6;background:#000;opacity:0;pointer-events:none}
.hero.glitching .flash{animation:blackout .9s linear both}

/* --- neige TV --- */
.noise{position:absolute;inset:0;z-index:5;width:100%;height:100%;
  opacity:.05;pointer-events:none;image-rendering:pixelated;mix-blend-mode:screen;transition:opacity .12s}
.hero.glitching .noise{opacity:.9}

/* --- scanlines + vignette permanents --- */
.scanlines{position:absolute;inset:0;z-index:7;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.22) 0 1px,transparent 1px 3px)}
.vignette{position:absolute;inset:0;z-index:7;pointer-events:none;
  background:radial-gradient(ellipse 90% 80% at 50% 42%,transparent 55%,rgba(0,0,0,.62) 100%),
             linear-gradient(180deg,rgba(0,0,0,.35),transparent 22%,transparent 70%,rgba(0,0,0,.55))}

#embers{position:absolute;inset:0;z-index:4;width:100%;height:100%;pointer-events:none}

/* ================= KEYFRAMES DU GLITCH ================= */
@keyframes shake{
  0%,100%{transform:none}
  12%{transform:translate(-9px,5px)}
  25%{transform:translate(10px,-6px) rotate(.35deg)}
  38%{transform:translate(-12px,-3px) scale(1.015)}
  50%{transform:translate(14px,6px) rotate(-.4deg)}
  62%{transform:translate(-10px,2px)}
  75%{transform:translate(8px,-5px) rotate(.25deg)}
  88%{transform:translate(-5px,3px)}
}
@keyframes glitchOut{
  0%{clip-path:inset(0 0 0 0);transform:none;filter:none}
  10%{clip-path:inset(12% 0 62% 0);transform:translate(-14px,4px)}
  21%{clip-path:inset(58% 0 8% 0);transform:translate(16px,-5px) skewX(4deg)}
  32%{clip-path:inset(28% 0 40% 0);transform:translate(-20px,0);filter:hue-rotate(80deg) saturate(3)}
  44%{clip-path:inset(0 0 0 0);transform:translate(8px,3px) scale(1.04);filter:brightness(2.2) contrast(1.8)}
  46%{clip-path:inset(72% 0 4% 0);transform:translate(-26px,-3px)}
  58%{clip-path:inset(6% 0 76% 0);transform:translate(22px,5px) skewX(-5deg)}
  70%{clip-path:inset(44% 0 30% 0);transform:translate(-12px,0);filter:saturate(.2)}
  84%{clip-path:inset(0 0 0 0);transform:translate(5px,0) scale(1.07);filter:brightness(.5)}
  100%{clip-path:inset(0 0 0 0);transform:scale(1.1);filter:brightness(0) blur(6px);opacity:0}
}
@keyframes glitchIn{
  0%{clip-path:inset(40% 0 34% 0);transform:translate(-30px,4px) scale(1.1);filter:brightness(2.5) saturate(3);opacity:1}
  12%{clip-path:inset(5% 0 78% 0);transform:translate(24px,-5px) skewX(-5deg)}
  24%{clip-path:inset(66% 0 10% 0);transform:translate(-18px,3px);filter:hue-rotate(-60deg) contrast(1.6)}
  38%{clip-path:inset(18% 0 55% 0);transform:translate(14px,-3px) skewX(3deg)}
  52%{clip-path:inset(0 0 0 0);transform:translate(-8px,0) scale(1.03);filter:brightness(1.5)}
  68%{clip-path:inset(30% 0 44% 0);transform:translate(6px,2px);filter:none}
  82%{clip-path:inset(2% 0 88% 0);transform:translate(-3px,-1px)}
  100%{clip-path:inset(0 0 0 0);transform:none;filter:none;opacity:1}
}
@keyframes cloneR{
  0%,100%{transform:none;clip-path:inset(50% 0 50% 0)}
  15%{transform:translate(-18px,2px);clip-path:inset(8% 0 60% 0);filter:brightness(1.6) sepia(1) hue-rotate(-50deg) saturate(6)}
  35%{transform:translate(12px,-3px);clip-path:inset(55% 0 12% 0);filter:brightness(1.4) sepia(1) hue-rotate(-50deg) saturate(6)}
  55%{transform:translate(-24px,4px);clip-path:inset(30% 0 38% 0);filter:brightness(1.8) sepia(1) hue-rotate(-50deg) saturate(6)}
  78%{transform:translate(9px,0);clip-path:inset(70% 0 5% 0);filter:brightness(1.3) sepia(1) hue-rotate(-50deg) saturate(6)}
}
@keyframes cloneC{
  0%,100%{transform:none;clip-path:inset(50% 0 50% 0)}
  12%{transform:translate(16px,-3px);clip-path:inset(62% 0 10% 0);filter:brightness(1.5) sepia(1) hue-rotate(140deg) saturate(6)}
  32%{transform:translate(-14px,3px);clip-path:inset(12% 0 68% 0);filter:brightness(1.7) sepia(1) hue-rotate(140deg) saturate(6)}
  52%{transform:translate(22px,-4px);clip-path:inset(40% 0 28% 0);filter:brightness(1.4) sepia(1) hue-rotate(140deg) saturate(6)}
  76%{transform:translate(-8px,2px);clip-path:inset(4% 0 82% 0);filter:brightness(1.6) sepia(1) hue-rotate(140deg) saturate(6)}
}
@keyframes blackout{
  0%,42%{opacity:0}
  46%{opacity:1}
  50%{opacity:.15}
  54%{opacity:.9}
  58%,100%{opacity:0}
}
@keyframes copyGlitch{
  0%,100%{transform:none;opacity:1;filter:none}
  18%{transform:translate(-7px,2px) skewX(-3deg);filter:drop-shadow(3px 0 0 rgba(227,38,47,.9)) drop-shadow(-3px 0 0 rgba(43,87,216,.9))}
  40%{transform:translate(9px,-3px);opacity:.35}
  46%{transform:translate(-4px,0) scaleY(1.12);opacity:.9;filter:blur(2px)}
  62%{transform:translate(5px,2px) skewX(2deg);filter:drop-shadow(-4px 0 0 rgba(227,38,47,.8)) drop-shadow(4px 0 0 rgba(43,87,216,.8))}
  82%{transform:translate(-2px,0);opacity:.85}
}
@keyframes unitGlitch{
  0%,100%{transform:none;background:var(--glass)}
  22%{transform:translate(-4px,3px);background:rgba(227,38,47,.55)}
  47%{transform:translate(5px,-4px) scaleY(1.15);background:rgba(255,255,255,.85)}
  52%{transform:translate(-3px,0);background:rgba(43,87,216,.55)}
  74%{transform:translate(2px,1px)}
}

/* ================= TEXTE DU HERO ================= */
.copy{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:clamp(4.5rem,13vh,8rem) 1rem 0;text-shadow:0 2px 18px rgba(0,0,0,.75);pointer-events:none;will-change:transform,filter}
.kicker{margin:0;font-size:clamp(.66rem,1.6vw,1.05rem);font-weight:600;letter-spacing:.32em;text-transform:uppercase;color:#eef1f8}
.date{margin:.1em 0 .08em;font-family:var(--display);font-weight:400;line-height:.95;letter-spacing:.02em;
  font-size:clamp(3rem,11vw,7.2rem);text-transform:uppercase;
  background:linear-gradient(180deg,#fff 55%,#c9d2e8);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 22px rgba(0,0,0,.65))}
.where{margin:0;font-size:clamp(.72rem,1.9vw,1.1rem);font-weight:500;letter-spacing:.2em;text-transform:uppercase}

.count{display:flex;gap:clamp(.45rem,1.6vw,.9rem);margin-top:clamp(1rem,3vh,1.8rem);pointer-events:auto}
.unit{width:clamp(60px,12vw,104px);padding:clamp(.5rem,1.5vw,.9rem) 0 clamp(.45rem,1.3vw,.8rem);
  background:var(--glass);border:1px solid rgba(255,255,255,.16);border-radius:6px;backdrop-filter:blur(6px);text-shadow:none;overflow:hidden}
.unit b{display:block;font-weight:600;font-size:clamp(1.4rem,4.5vw,2.35rem);line-height:1.1;font-variant-numeric:tabular-nums}
.unit b.tick{animation:digitPop .5s cubic-bezier(.2,.9,.3,1.25)}
@keyframes digitPop{
  0%{transform:translateY(-55%);filter:blur(5px);opacity:.1}
  100%{transform:none;filter:none;opacity:1}
}
.unit span{display:block;margin-top:.2rem;font-size:clamp(.5rem,1.3vw,.78rem);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:#c6cede}

.state-caption{margin:clamp(1.1rem,3vh,1.8rem) 0 0;font-size:clamp(.78rem,1.7vw,1rem);font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:#ffd9d0;opacity:0;animation:captionIn 1.2s .5s ease both;
  padding:.45rem 1rem;border-radius:999px;background:rgba(5,6,11,.5);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(4px)}
.hero[data-state="1"] .state-caption{color:#ffb27a}
.hero[data-state="2"] .state-caption{color:#e6ecf5}
@keyframes captionIn{from{opacity:0;transform:translateY(10px)}to{opacity:.95;transform:none}}
.state-caption.swap{animation:captionSwap .6s ease both}
@keyframes captionSwap{0%{opacity:.95;transform:none}35%{opacity:0;transform:translateY(-8px)}100%{opacity:.95;transform:none}}

.hint{position:absolute;left:50%;bottom:calc(1.1rem + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:11;
  display:flex;align-items:center;gap:.6rem;margin:0;padding:.55rem 1.1rem;white-space:nowrap;
  font-size:.86rem;font-weight:500;letter-spacing:.06em;color:#e8ecf5;
  background:rgba(8,10,18,.6);border:1px solid rgba(255,255,255,.28);border-radius:999px;backdrop-filter:blur(6px);
  animation:hintPulse 2.6s ease-in-out infinite;pointer-events:none}
@keyframes hintPulse{0%,100%{opacity:.75}50%{opacity:1;border-color:rgba(255,255,255,.6)}}
.hint-dot{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 10px 2px rgba(227,38,47,.8);animation:blink 1.4s steps(2,end) infinite}
@keyframes blink{50%{opacity:.25}}

/* ================= SECTIONS ================= */
.block{padding:clamp(3.5rem,9vw,6.5rem) clamp(1.25rem,5vw,3rem);border-top:1px solid var(--line)}
.block.alt{background:var(--bg-alt)}
.wrap{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:minmax(150px,.7fr) 2fr;gap:clamp(1.5rem,5vw,4rem)}
.block h2{margin:0;font-size:clamp(1.5rem,3.6vw,2.1rem);font-weight:600;line-height:1.15}
.block p{margin:0 0 1.1em;max-width:60ch;color:#d3d9e6}
.block .small{font-size:.92rem;color:var(--muted)}
.stripe{display:flex;width:84px;height:5px;margin-top:1rem;border-radius:2px;overflow:hidden}
.stripe i{flex:1}.stripe i:nth-child(1){background:var(--blue)}.stripe i:nth-child(2){background:#f4f4f4}.stripe i:nth-child(3){background:var(--red)}
dl{margin:0;display:grid;grid-template-columns:max-content 1fr;gap:0}
dt,dd{margin:0;padding:1rem 0;border-bottom:1px solid var(--line)}
dt{padding-right:2.2rem;color:var(--muted);font-weight:500}
dd{font-weight:500}
footer{padding:1.8rem clamp(1.25rem,5vw,3rem) calc(2rem + env(safe-area-inset-bottom,0px));
  border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;text-align:center}

/* --- apparition au scroll --- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.visible{opacity:1;transform:none}

/* ================= RESPONSIVE ================= */
@media (max-width:760px){
  .wrap{grid-template-columns:1fr}
  dl{grid-template-columns:1fr}
  dt{padding:1rem 0 .1rem;border:0}
  dd{padding-top:0}
}
@media (max-width:520px){
  nav{gap:1.1rem}
  nav a{font-size:.88rem}
  .brand{font-size:.84rem;letter-spacing:.04em}
  .flag{display:none}
  .hint{font-size:.76rem}
}

/* ================= REDUCED MOTION ================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero.glitching .stage,.hero.glitching .copy,.hero.glitching .count .unit{animation:none}
  .hero.glitching .layer.leave{animation:none;opacity:0}
  .hero.glitching .layer.enter{animation:none;opacity:1}
  .hero.glitching .clone{opacity:0}
  .hero.glitching .flash{animation:none;opacity:0}
  .hint,.hint-dot{animation:none}
  .reveal{transition:none;opacity:1;transform:none}
}