/* ==========================================================================
   Hack'in Var — landing inscription étudiants
   Charte : vert profond → brume menthe, grain, angles droits, rose fuchsia,
   étiquettes accolées, pointillés roses.
   ========================================================================== */

:root {
  --g-950: #08291a;
  --g-900: #0f4229;
  --g-800: #145236;
  --g-700: #1a5f3d;
  --g-600: #2c7652;
  --g-500: #4f8f6c;
  --mint: #bfe0cc;
  --mint-2: #e2f0e8;
  --paper: #f4f7f5;
  --pink: #e8357a;
  --pink-2: #ff5c9a;
  --cream: #f4f7f5;
  --ink: #0d1f16;
  --white: #fff;

  --f-pixel: "Pixelify Sans", ui-monospace, monospace;
  --f-sans: "Barlow Semi Condensed", system-ui, sans-serif;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.77, 0, .175, 1);
  --gutter: clamp(16px, 4vw, 56px);
  --dash: 2px dashed var(--pink);

  /* Dégradés PDF */
  --bg-deep:
    radial-gradient(55% 45% at 100% 100%, rgba(214, 238, 224, .5), transparent 70%),
    radial-gradient(45% 40% at 0% 100%, rgba(170, 214, 190, .4), transparent 70%),
    radial-gradient(70% 50% at 50% 0%, rgba(4, 30, 18, .55), transparent 70%),
    linear-gradient(175deg, #0f4229 0%, #165a38 50%, #2c7652 100%);
  --bg-mist:
    radial-gradient(45% 40% at 88% 18%, rgba(255, 255, 255, .7), transparent 70%),
    radial-gradient(55% 45% at 8% 92%, rgba(255, 255, 255, .65), transparent 70%),
    radial-gradient(40% 30% at 60% 60%, rgba(255, 255, 255, .25), transparent 70%),
    linear-gradient(180deg, #2c7652 0%, #6fa98a 22%, #a9d2bb 55%, #d6ebdf 85%, #e6f2eb 100%);
}

*, *::before, *::after { box-sizing: border-box; border-radius: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "clig" 0, "calt" 0;
  margin: 0;
  background: var(--g-900);
  color: var(--cream);
  font-family: var(--f-sans);
  font-size: 18px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-loading { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--pink); color: #fff; }

.container { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 var(--gutter); }
.pixel { font-family: var(--f-pixel); font-weight: 700; letter-spacing: -.01em; line-height: .9; }
.pink { color: var(--pink); }
.pink-block { background: var(--pink); color: #fff; padding: .04em .2em .1em; display: inline-block; }
em { font-style: normal; }

/* ---------- FX: grain, cursor, progress ---------- */
.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .16; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5  0 0 0 0 .5  0 0 0 0 .5  0 0 0 1.4 -.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor { position: fixed; left: 0; top: 0; z-index: 120; pointer-events: none; mix-blend-mode: difference; }
.cursor__dot, .cursor__ring { position: fixed; left: 0; top: 0; will-change: transform; }
.cursor__dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: #fff; }
.cursor__ring {
  width: 36px; height: 36px; margin: -18px 0 0 -18px; border: 1.5px solid #fff;
  display: grid; place-items: center; transition: width .4s var(--ease-out), height .4s var(--ease-out), margin .4s var(--ease-out), background .3s;
}
.cursor__ring em { font: 700 11px/1 var(--f-pixel); text-transform: uppercase; color: #000; opacity: 0; transition: opacity .2s; }
.cursor.is-hover .cursor__ring { width: 58px; height: 58px; margin: -29px 0 0 -29px; border-style: dashed; }
.cursor.is-label .cursor__ring { width: 92px; height: 92px; margin: -46px 0 0 -46px; background: #fff; }
.cursor.is-label .cursor__ring em { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }
@media (hover: hover) and (pointer: fine) { body, a, button, label, summary { cursor: none; } input, select, textarea { cursor: text; } }

.progress { position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 110; }
.progress span { display: block; height: 100%; background: var(--pink); transform-origin: 0 50%; transform: scaleX(0); }

/* ---------- LOADER ---------- */
.loader { position: fixed; inset: 0; z-index: 200; background: var(--g-950); display: grid; place-items: center; overflow: hidden; }
.loader__grid { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 1fr; }
.loader__grid i { background: var(--g-950); }
.loader.is-out { background: transparent; }
.loader__inner { position: relative; text-align: center; }
.loader__count { font: 700 clamp(80px, 18vw, 220px)/.8 var(--f-pixel); color: var(--cream); }
.loader__count small { font-size: .3em; color: var(--pink); margin-left: .1em; }
.loader__label { margin-top: 24px; font: 500 14px/1 var(--f-pixel); text-transform: uppercase; letter-spacing: .1em; color: var(--mint); }
.blink { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px var(--gutter);
  transition: transform .6s var(--ease-out), background .4s, padding .4s;
}
.nav.is-scrolled { background: rgba(8, 41, 26, .7); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding-top: 12px; padding-bottom: 12px; }
.nav.is-hidden { transform: translateY(-110%); }
.nav__brand { display: flex; align-items: center; gap: 16px; }
.nav__logo--var { height: 38px; width: auto; }
.nav__logo--tvt { height: 34px; width: auto; }
.nav__sep { width: 1px; height: 28px; background: rgba(255,255,255,.3); }
.nav__links { display: flex; gap: 0; }
.nav__links a { position: relative; padding: 10px 16px; font-weight: 600; font-size: 16px; transition: background .25s, color .25s; }
.nav__links a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; border-bottom: var(--dash); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease-out); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__links a.is-active { background: var(--mint); color: var(--ink); }
.nav__links a.is-active::after { display: none; }
@media (max-width: 900px) { .nav__links { display: none; } .nav__logo--tvt, .nav__sep { display: none; } }

/* ---------- BUTTONS ---------- */
.btn {
  --h: 54px;
  position: relative; display: inline-flex; align-items: center; gap: 16px;
  height: var(--h); padding: 0 0 0 24px;
  font-weight: 700; font-size: 17px; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap;
  overflow: hidden; isolation: isolate;
}
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--white); transform: translateX(-101%); transition: transform .5s var(--ease-out); }
.btn:hover::before { transform: translateX(0); }
.btn--pink { background: var(--pink); color: #fff; }
.btn--pink:hover { color: var(--ink); }
.btn--ghost { padding: 0 22px; border: 1.5px solid rgba(255,255,255,.4); }
.btn--ghost:hover { color: var(--ink); }
.btn--sm { --h: 44px; font-size: 14px; padding-left: 18px; gap: 12px; }
.btn--xl { --h: 66px; font-size: 19px; padding-left: 30px; }
.btn__label { position: relative; display: inline-block; overflow: hidden; line-height: 1.3; }
.btn__label::after { content: attr(data-text); position: absolute; left: 0; top: 100%; }
.btn__label, .btn__label::after { transition: transform .5s var(--ease-out); }
.btn:hover .btn__label { transform: translateY(-100%); }
.btn:hover .btn__label::after { transform: translateY(0); }
.btn__icon {
  display: grid; place-items: center; align-self: stretch; width: var(--h);
  background: rgba(0,0,0,.14); font-family: var(--f-pixel); font-size: 1.15em; transition: background .3s, color .3s;
}
.btn:hover .btn__icon { background: var(--pink); color: #fff; }
.btn--ghost .btn__icon { display: none; }

/* ---------- LABELS (cartouches PDF) ---------- */
.chip { display: inline-block; padding: 8px 16px; font-weight: 600; font-size: clamp(15px, 1.4vw, 19px); }
.chip--mint { background: var(--mint); color: var(--ink); }
.eyebrow { display: flex; align-items: stretch; margin: 0 0 30px; font-size: clamp(20px, 1.8vw, 26px); line-height: 1; }
.eyebrow span { display: grid; place-items: center; min-width: 46px; padding: 0 10px; background: var(--pink); color: #fff; font: 700 .8em/1 var(--f-pixel); }
.eyebrow b { padding: 10px 16px 11px; background: var(--mint); color: var(--ink); font-weight: 500; }
.h2 { margin: 0; font-weight: 700; font-size: clamp(42px, 6.6vw, 100px); line-height: .98; letter-spacing: -.03em; }
.h2 em { display: inline; background: var(--pink); color: #fff; padding: 0 .14em .04em; -webkit-box-decoration-break: clone; box-decoration-break: clone; line-height: 1.12; }
.split-lines .line { padding-bottom: .06em; }

/* ---------- LOGO (Hack'in / Hackathon IA + Var) ---------- */
.logo { display: inline-flex; flex-direction: column; font-family: var(--f-pixel); font-weight: 700; line-height: .82; color: #fff; }
.logo__hack { display: block; letter-spacing: -.02em; }
.logo__row { display: flex; justify-content: flex-end; align-items: flex-end; gap: .1em; margin-top: .03em; }
.logo__tag { font-size: max(.2em, 15px); line-height: 1; white-space: nowrap; letter-spacing: .02em; padding-bottom: .12em; }
.logo__var { display: inline-block; font-size: .68em; letter-spacing: -.01em; background: var(--pink); padding: .02em .16em .1em; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh; overflow: hidden; display: flex; align-items: center;
  background:
    radial-gradient(50% 45% at 92% 88%, rgba(232, 245, 237, .55), transparent 70%),
    radial-gradient(60% 55% at 0% 100%, rgba(185, 222, 201, .75), transparent 65%),
    radial-gradient(70% 60% at 30% 0%, rgba(6, 36, 22, .65), transparent 70%),
    linear-gradient(165deg, #0f4229 0%, #17603b 45%, #4e9670 85%, #9fcdb3 100%);
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__glow { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(55% 50% at 28% 50%, rgba(8, 41, 26, .55), transparent 70%); }
.hero__content { position: relative; z-index: 3; padding: 120px var(--gutter) 90px; max-width: 1360px; margin: 0 auto; width: 100%; pointer-events: none; }
.hero__content a, .hero__content button { pointer-events: auto; }
.hero__title { display: flex; width: fit-content; margin: 28px 0 26px; font-size: clamp(64px, 14.5vw, 230px); }
.hero__lede { max-width: 600px; margin: 0 0 36px; font-size: clamp(20px, 2vw, 26px); line-height: 1.3; font-weight: 500; color: var(--mint-2); }
.hero__lede strong { display: inline-block; margin-bottom: 8px; padding: 2px 10px 4px; background: var(--pink); color: #fff; font-weight: 600; }
.hero__meta { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 28px 56px; margin-bottom: 40px; }
.hero__date { display: flex; flex-direction: column; gap: 6px; font-size: clamp(32px, 3.6vw, 50px); }
.hero__date .pixel:first-child { color: var(--pink-2); }
.hero__date .pixel:last-child { color: #fff; }
.countdown { display: flex; gap: 0; border: var(--dash); }
.countdown div { display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 72px; padding: 12px 10px 10px; background: rgba(8, 41, 26, .45); }
.countdown div + div { border-left: 1px solid rgba(255,255,255,.12); }
.countdown b { font: 700 30px/1 var(--f-pixel); font-variant-numeric: tabular-nums; }
.countdown small { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--mint); }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.hero__note { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; background: var(--mint); color: var(--ink); font-weight: 600; }
.pulse { position: relative; width: 9px; height: 9px; background: var(--pink); display: inline-block; }
.pulse::after { content: ""; position: absolute; inset: 0; background: inherit; animation: pulse 1.6s var(--ease-out) infinite; }
@keyframes pulse { to { transform: scale(3); opacity: 0; } }
.hero__photo { position: absolute; z-index: 2; right: -2vw; bottom: -6vh; width: min(34vw, 520px); margin: 0; filter: grayscale(1) contrast(1.05) brightness(1.05); pointer-events: none; }
.hero__scroll { position: absolute; z-index: 3; left: 50%; bottom: 26px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font: 500 12px/1 var(--f-pixel); text-transform: uppercase; letter-spacing: .2em; color: var(--ink); }
.hero__scroll i { height: 46px; border-left: var(--dash); position: relative; overflow: hidden; }
.hero__scroll i::after { content: ""; position: absolute; left: -2px; top: -40%; width: 2px; height: 40%; background: var(--pink); animation: scrolly 1.8s var(--ease-io) infinite; }
@keyframes scrolly { to { top: 110%; } }
@media (max-width: 900px) {
  .hero__photo { width: 56vw; opacity: .35; }
  .countdown div { min-width: 0; flex: 1; }
  .hero__scroll { display: none; }
}

/* ---------- MARQUEE ---------- */
.marquee { position: relative; z-index: 4; overflow: hidden; background: var(--pink); color: #fff; padding: 16px 0; border-top: 2px dashed rgba(255,255,255,.55); border-bottom: 2px dashed rgba(255,255,255,.55); }
.marquee__track { display: flex; width: max-content; align-items: center; gap: 34px; animation: marquee 28s linear infinite; }
.marquee span { font: 700 clamp(26px, 3.4vw, 46px)/1 var(--f-pixel); white-space: nowrap; }
.marquee i { font-style: normal; font-size: clamp(26px, 3.4vw, 46px); animation: spin 6s linear infinite; display: inline-block; }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- MANIFESTO ---------- */
.manifesto { position: relative; padding: clamp(110px, 14vw, 200px) 0 clamp(80px, 10vw, 140px); background: var(--bg-deep); }
.manifesto__text { margin: 0; max-width: 1200px; font-weight: 600; font-size: clamp(30px, 4.2vw, 62px); line-height: 1.1; letter-spacing: -.02em; }
.manifesto__text .word { opacity: .16; }
.manifesto__text strong { color: var(--pink-2); font-weight: 700; }
.manifesto__text em { color: #fff; background: var(--pink); padding: 0 .12em; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: clamp(64px, 8vw, 120px); }
.stat { position: relative; padding: 0 0 26px; background: var(--paper); color: var(--ink); transform-style: preserve-3d; }
.stat b { display: block; padding: 28px 24px 12px; font-size: clamp(64px, 7vw, 110px); color: var(--pink); transform: translateZ(40px); }
.stat span { display: block; padding: 0 24px; color: #2e4338; font-weight: 500; transform: translateZ(20px); }
.stat--pink { background: transparent; color: #fff; border: var(--dash); }
.stat--pink b { color: #fff; }
.stat--pink span { color: var(--mint-2); }
@media (max-width: 900px) { .stats { grid-template-columns: 1fr 1fr; } }

/* ---------- ENJEUX ---------- */
.enjeux { padding: clamp(90px, 11vw, 160px) 0; background: var(--bg-mist); color: var(--ink); position: relative; z-index: 2; }
.enjeux__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 72px; perspective: 1200px; }
.card3d {
  position: relative; overflow: hidden; min-height: 360px; padding: 0 0 34px;
  background: var(--paper); color: var(--ink); display: flex; flex-direction: column;
  transform-style: preserve-3d; isolation: isolate; box-shadow: 0 30px 60px -40px rgba(8, 41, 26, .5);
}
.card3d__num { display: grid; place-items: center; width: 64px; height: 64px; background: var(--pink); color: #fff; font-size: 38px; transform: translateZ(30px); }
.card3d h3 { margin: auto 30px 12px; font-size: clamp(34px, 3.2vw, 48px); line-height: 1; letter-spacing: -.02em; transform: translateZ(60px); }
.card3d p { margin: 0 30px; font-size: 18px; color: #2e4338; transform: translateZ(40px); }
.card3d__shine { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(191, 224, 204, .55), transparent 45%); opacity: 0; transition: opacity .3s; z-index: -1; }
.card3d::after { content: ""; position: absolute; inset: 10px; border: var(--dash); opacity: 0; transition: opacity .3s, inset .5s var(--ease-out); pointer-events: none; }
.card3d:hover .card3d__shine, .card3d:hover::after { opacity: 1; }
.card3d:hover::after { inset: 0; }
@media (max-width: 900px) { .enjeux__grid { grid-template-columns: 1fr; } .card3d { min-height: 280px; } }

/* ---------- DÉFIS (horizontal) ---------- */
.defis { position: relative; background: linear-gradient(180deg, #e6f2eb 0%, #c9e3d4 40%, #8fc0a5 100%); color: var(--ink); padding-bottom: 110px; z-index: 2; }
.defis::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(40% 35% at 15% 30%, rgba(255,255,255,.7), transparent 70%), radial-gradient(40% 35% at 85% 75%, rgba(255,255,255,.45), transparent 70%); }
.defis__intro { position: relative; padding-top: 40px; padding-bottom: 56px; }
.defis__hint { display: flex; align-items: center; gap: 12px; margin: 28px 0 0; color: #2e4338; font-weight: 600; }
.defis__hint .pixel { font-size: 22px; color: var(--pink); }
.defis__pin { position: relative; overflow: hidden; }
.defis__track { display: flex; gap: 40px; padding: 0 var(--gutter); width: max-content; }
.theme { position: relative; flex: 0 0 min(84vw, 700px); display: flex; flex-direction: column; gap: 26px; }
.theme__head { position: relative; display: flex; flex-direction: column; gap: 18px; }
.theme__num { font-size: clamp(90px, 9vw, 130px); color: var(--pink); }
.theme__head h3 { margin: 0; font-size: clamp(26px, 2.4vw, 34px); line-height: 1.05; letter-spacing: -.015em; }
.theme__head small { display: block; margin-top: 6px; font-size: .6em; font-weight: 500; color: #2e4338; letter-spacing: 0; }
.theme__cards { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.defi { perspective: 1000px; text-align: left; min-height: 240px; padding: 0; }
.defi__inner { position: relative; display: block; width: 100%; height: 100%; min-height: 240px; transform-style: preserve-3d; transition: transform .8s var(--ease-out); }
.defi.is-flipped .defi__inner { transform: rotateY(180deg); }
.defi__front, .defi__back {
  position: absolute; inset: 0; display: flex; flex-direction: column; gap: 16px; padding: 0 22px 22px;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.defi__front { background: var(--paper); color: var(--ink); box-shadow: 0 24px 50px -36px rgba(8, 41, 26, .6); }
.defi__front::after { content: ""; position: absolute; inset: 0; border: var(--dash); opacity: 0; transition: opacity .3s; }
.defi:hover .defi__front::after { opacity: 1; }
.defi__front b { font-size: 23px; line-height: 1.15; letter-spacing: -.01em; }
.defi__flip { margin-top: auto; font-size: 13px; font-weight: 700; color: var(--pink); text-transform: uppercase; letter-spacing: .08em; }
.defi__back { transform: rotateY(180deg); background: var(--pink); color: #fff; font-weight: 600; font-size: 18px; line-height: 1.3; }
.defi__tag { display: inline-block; align-self: flex-start; margin-left: -22px; padding: 6px 12px; background: var(--pink); color: #fff; font-weight: 600; font-size: 15px; }
.defi__back .defi__tag { background: var(--ink); }
.theme--end { justify-content: center; }
.theme__end { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; padding: 0 40px 44px; border: var(--dash); background: rgba(255,255,255,.18); }
.theme__end::before { content: "Autre défi"; display: inline-block; margin-left: -40px; padding: 6px 12px; background: var(--pink); color: #fff; font-weight: 600; font-size: 15px; }
.theme__end .pixel { letter-spacing: .03em; font-size: clamp(40px, 4vw, 58px); margin: 0; color: var(--ink); }
.theme__end p { margin: 0; font-size: 19px; font-weight: 500; max-width: 440px; }
.asterisk-spin { font-size: 100px; line-height: 1; color: var(--pink); animation: spin 10s linear infinite; }
@media (max-width: 900px) {
  .defis__track { flex-direction: column; width: auto; gap: 60px; }
  .theme { flex: auto; }
  .theme__cards { grid-template-columns: 1fr; }
  .defi, .defi__inner { min-height: 230px; }
}

/* ---------- PROGRAMME ---------- */
.programme { position: relative; padding: clamp(110px, 13vw, 190px) 0; background: var(--bg-deep); overflow: hidden; }
.timeline { position: relative; margin-top: 90px; display: flex; flex-direction: column; gap: 32px; }
.timeline__line { position: absolute; left: 170px; top: 0; width: 4px; height: 100%; overflow: visible; }
.timeline__line path { stroke: var(--pink); stroke-width: 3; fill: none; vector-effect: non-scaling-stroke; }
.day { position: relative; display: grid; grid-template-columns: 150px 1fr; gap: 0 80px; align-items: start; }
.day__dot { position: absolute; left: 161px; top: 22px; width: 22px; height: 22px; border-radius: 50%; background: var(--g-800); border: 3px solid var(--pink); transition: transform .4s var(--ease-out); }
.day__dot::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--pink); transform: scale(0); transition: transform .4s var(--ease-out); }
.day.is-active .day__dot { transform: scale(1.2); }
.day.is-active .day__dot::after { transform: scale(1); }
.day__date { display: flex; flex-direction: column; gap: 10px; color: var(--mint); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: 14px; }
.day__big { font-size: 104px; color: #fff; letter-spacing: -.03em; }
.day__body { position: relative; border: 1.5px solid rgba(255,255,255,.55); background: rgba(8, 41, 26, .25); transition: transform .6s var(--ease-out); }
.day:hover .day__body { transform: translateX(8px); }
.day__time { margin: 0; padding: 14px 28px; background: var(--pink); color: #fff; font-weight: 600; font-size: 18px; }
.day__body h3 { margin: 26px 28px 16px; font: 700 clamp(44px, 5vw, 72px)/.9 var(--f-pixel); }
.day ul { margin: 0; padding: 0 28px 28px; list-style: none; display: grid; gap: 10px; }
.day li { position: relative; padding-left: 24px; font-size: 19px; color: rgba(244, 247, 245, .9); }
.day li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; background: var(--pink); }
@media (max-width: 900px) {
  .day { grid-template-columns: 1fr; gap: 14px; padding-left: 40px; }
  .timeline__line { left: 9px; }
  .day__dot { left: 0; top: 18px; }
  .day__date { flex-direction: row; align-items: flex-end; gap: 14px; }
  .day__big { font-size: 64px; }
  .day__time { padding: 12px 20px; }
  .day__body h3 { margin: 20px 20px 14px; }
  .day ul { padding: 0 20px 22px; }
}

/* ---------- WHY / BENTO ---------- */
.why { padding: clamp(100px, 12vw, 170px) 0 60px; background: var(--bg-mist); color: var(--ink); }
.why .h2 { font-size: clamp(36px, 5.2vw, 80px); }
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(230px, auto); gap: 16px; margin-top: 72px; perspective: 1200px; }
.bento__item { position: relative; padding: 70px 28px 28px; background: var(--paper); display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; overflow: hidden; transform-style: preserve-3d; box-shadow: 0 24px 50px -36px rgba(8, 41, 26, .55); }
.bento__item::after { content: ""; position: absolute; inset: 0; pointer-events: none; border: var(--dash); opacity: 0; transition: opacity .3s; }
.bento__item:hover::after { opacity: 1; }
.bento__item--big { grid-column: span 2; grid-row: span 2; background: var(--g-800); color: var(--cream); }
.bento__item--big h3 { font-size: clamp(36px, 3.6vw, 56px) !important; }
.bento__item--big p { color: var(--mint-2) !important; }
.bento__item--pink { background: var(--pink); color: #fff; }
.bento__item--pink::after { border-color: #fff; }
.bento__icon { position: absolute; top: 0; left: 0; padding: 8px 12px; background: var(--pink); color: #fff; font-size: 18px; }
.bento__item--pink .bento__icon { background: var(--ink); }
.bento__item h3 { margin: 0; font-size: 28px; line-height: 1.02; letter-spacing: -.02em; transform: translateZ(40px); }
.bento__item p { margin: 0; color: #2e4338; transform: translateZ(20px); }
.bento__item--pink p { color: #fff; }
@media (max-width: 900px) { .bento { grid-template-columns: 1fr; } .bento__item--big { grid-column: auto; grid-row: auto; } }

/* ---------- RETRO (frise PDF) ---------- */
.retro { padding: 60px 0 clamp(100px, 12vw, 160px); background: linear-gradient(180deg, #e6f2eb, #b9dbc7); color: var(--ink); }
.retro__rail { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 60px; }
.retro__rail::before { content: ""; position: absolute; top: 10px; left: 16.66%; right: 16.66%; height: 3px; background: var(--pink); }
.retro__step { position: relative; display: flex; flex-direction: column; background: var(--paper); padding-bottom: 28px; box-shadow: 0 24px 50px -36px rgba(8, 41, 26, .55); }
.retro__step::before { content: ""; position: absolute; left: 50%; top: -61px; width: 24px; height: 24px; margin-left: -12px; border-radius: 50%; background: var(--paper); border: 3px solid var(--pink); z-index: 1; }
.retro__step::after { content: ""; position: absolute; left: 50%; top: -40px; height: 40px; border-left: 3px solid var(--pink); margin-left: -1.5px; }
.retro__step.is-done::before { background: var(--pink); }
.retro__step.is-now::before { background: var(--pink); box-shadow: 0 0 0 8px rgba(232, 53, 122, .25); }
.retro__step.is-now { outline: var(--dash); outline-offset: 8px; }
.retro__tag { align-self: flex-start; padding: 8px 14px; background: var(--pink); color: #fff; font-weight: 600; font-size: 17px; }
.retro__step h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 22px 24px 10px; font-size: 28px; letter-spacing: -.02em; }
.retro__step p { margin: 0 24px; color: #2e4338; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 10px; background: var(--ink); color: #fff; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 900px) {
  .retro__rail { grid-template-columns: 1fr; gap: 28px; padding-top: 0; padding-left: 34px; }
  .retro__rail::before { top: 0; bottom: 0; left: 10px; right: auto; width: 3px; height: auto; }
  .retro__step::before { left: -36px; top: 6px; margin-left: 0; }
  .retro__step::after { display: none; }
}

/* ---------- SIGNUP ---------- */
.signup { position: relative; padding: clamp(110px, 12vw, 180px) 0; overflow: hidden; background: var(--bg-deep); }
.signup__bg {
  position: absolute; inset: -20%; z-index: 0;
  background:
    radial-gradient(35% 35% at 18% 28%, rgba(232, 53, 122, .32), transparent 70%),
    radial-gradient(40% 40% at 82% 78%, rgba(214, 238, 224, .4), transparent 70%);
  filter: blur(30px); animation: blobs 18s var(--ease-io) infinite alternate;
}
@keyframes blobs { 50% { transform: scale(1.1) translate(3%, -2%); } 100% { transform: scale(1.05) translate(-3%, 3%); } }
.signup__wrap { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 100px); align-items: start; }
.signup__title { margin: 0 0 28px; display: flex; flex-direction: column; gap: 4px; font-size: clamp(64px, 8.5vw, 140px); line-height: .85; }
.signup__title .pink-block { align-self: flex-start; white-space: nowrap; margin-top: 10px; }
.signup__lede { font-size: 21px; color: var(--mint-2); max-width: 420px; margin: 0 0 36px; }
.signup__facts { list-style: none; margin: 0; padding: 0; display: grid; border-top: 2px dashed rgba(232, 53, 122, .8); }
.signup__facts li { display: flex; align-items: center; gap: 22px; padding: 16px 0; border-bottom: 2px dashed rgba(232, 53, 122, .8); font-weight: 600; font-size: 19px; }
.signup__facts .pixel { width: 80px; font-size: 18px; color: var(--pink-2); }

.form {
  --pad: clamp(28px, 4vw, 48px);
  position: relative; padding: 0 var(--pad) var(--pad);
  background: rgba(8, 41, 26, .55); border: var(--dash);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  min-height: 620px; display: flex; flex-direction: column;
}
.form::before { content: "Inscription"; align-self: flex-start; margin: 0 0 34px calc(-1 * var(--pad)); padding: 9px 16px; background: var(--pink); color: #fff; font-weight: 600; font-size: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__progress { display: flex; align-items: center; gap: 18px; margin-bottom: 34px; }
.form__bar { flex: 1; height: 8px; background: rgba(255,255,255,.12); overflow: hidden; display: block; }
.form__bar i { display: block; height: 100%; width: 50%; background: repeating-linear-gradient(90deg, var(--pink) 0 10px, transparent 10px 14px); transition: width .8s var(--ease-out); }
.form__steplabel { font-size: 18px; color: var(--mint); }
.form__steplabel b { color: #fff; }
.form__step { display: none; border: 0; margin: 0; padding: 0; min-width: 0; }
.form__step.is-active { display: grid; gap: 16px; }
.form__legend { padding: 0; margin-bottom: 14px; letter-spacing: .04em; font: 700 clamp(32px, 3vw, 44px)/1 var(--f-pixel); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }

.field { position: relative; display: block; }
.field input, .field select {
  width: 100%; height: 64px; padding: 24px 18px 8px;
  background: rgba(255,255,255,.07); border: 0; border-bottom: 2px solid rgba(255,255,255,.35); color: #fff;
  font: 600 18px var(--f-sans); outline: none; appearance: none; -webkit-appearance: none;
  transition: border-color .3s, background .3s;
}
.field select { cursor: pointer; }
.field select option { color: var(--ink); }
.field > span { position: absolute; left: 18px; top: 22px; color: rgba(244, 247, 245, .65); font-weight: 500; pointer-events: none; transform-origin: 0 0; transition: transform .35s var(--ease-out), color .3s; }
.field > span i { font-style: normal; opacity: .6; }
.field input:focus, .field select:focus { background: rgba(255,255,255,.12); }
.field::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--pink); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-out); pointer-events: none; }
.field:focus-within::after { transform: scaleX(1); }
.field--select::before { content: "↓"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--pink-2); pointer-events: none; font-family: var(--f-pixel); z-index: 1; }
.field input:focus + span, .field input:not(:placeholder-shown) + span,
.field select:focus + span, .field select:valid + span { transform: translateY(-12px) scale(.72); color: var(--mint); }
.field.is-invalid input, .field.is-invalid select { border-bottom-color: #ff6b6b; background: rgba(255, 107, 107, .08); animation: shake .4s; }
.field.is-valid input { border-bottom-color: var(--mint); }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

.form__label { margin: 10px 0 0; font-weight: 700; font-size: 17px; color: var(--mint-2); }
.form__label i { font-style: normal; font-weight: 500; color: var(--mint); opacity: .8; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pick input, .seg input, .check input { position: absolute; opacity: 0; pointer-events: none; }
.pick span {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 16px;
  background: rgba(255,255,255,.06); border: 1.5px dashed rgba(255,255,255,.35); font-weight: 600; font-size: 16px;
  transition: background .25s, border-color .25s, transform .4s var(--ease-out), color .25s; user-select: none;
}
.pick span b { font-size: 13px; color: var(--pink-2); }
.pick:hover span { border-color: var(--pink-2); transform: translateY(-2px); }
.pick input:checked + span { background: var(--pink); border: 1.5px solid var(--pink); color: #fff; }
.pick input:checked + span b { color: #fff; }
.pick input:focus-visible + span { outline: 2px solid var(--mint); outline-offset: 2px; }
.chips.is-maxed .pick input:not(:checked) + span { opacity: .4; }

.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg span { display: block; height: 100%; padding: 16px 18px; border: 1.5px dashed rgba(255,255,255,.35); background: rgba(255,255,255,.04); font-weight: 600; font-size: 16px; line-height: 1.2; transition: all .3s var(--ease-out); }
.seg input:checked + span { border: 1.5px solid var(--mint); background: var(--mint); color: var(--ink); }
.seg input:focus-visible + span { outline: 2px solid var(--pink); outline-offset: 2px; }
@media (max-width: 600px) { .seg { grid-template-columns: 1fr; } }
.seg span i { font-style: normal; font-weight: 500; opacity: .75; }
.form__student { display: grid; gap: 16px; }
.form.is-other .form__student { display: none; }
.form__final { display: grid; gap: 16px; margin-top: 12px; padding-top: 22px; border-top: 1.5px dashed rgba(255,255,255,.25); }
.form__solo { margin: 0; padding: 12px 16px; background: rgba(191, 224, 204, .12); border-left: 4px solid var(--pink); color: var(--mint-2); font-size: 15.5px; }
.form__solo b { color: #fff; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }

.check { position: relative; display: flex; gap: 14px; align-items: flex-start; font-size: 15.5px; color: rgba(244, 247, 245, .85); line-height: 1.35; }
.check i { flex: 0 0 24px; height: 24px; border: 1.5px solid rgba(255,255,255,.5); display: grid; place-items: center; transition: all .3s var(--ease-out); }
.check i::after { content: ""; width: 10px; height: 6px; border-left: 2.5px solid #fff; border-bottom: 2.5px solid #fff; transform: rotate(-45deg) scale(0); margin-top: -3px; transition: transform .35s var(--ease-out); }
.check input:checked + i { background: var(--pink); border-color: var(--pink); }
.check input:checked + i::after { transform: rotate(-45deg) scale(1); }
.check input:focus-visible + i { outline: 2px solid var(--mint); outline-offset: 2px; }
.check.is-invalid i { border-color: #ff6b6b; animation: shake .4s; }

.form__nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; padding-top: 34px; }
.form [data-prev] { visibility: hidden; }
.form.step-2 [data-prev] { visibility: visible; }
.btn--submit { display: none; }
.form.step-2 [data-next] { display: none; }
.form.step-2 .btn--submit { display: inline-flex; }
.form.is-sending .btn--submit { pointer-events: none; opacity: .7; }
.form__error { min-height: 1.4em; margin: 14px 0 0; color: #ff9b9b; font-weight: 600; font-size: 15px; }

.form__success { display: none; flex: 1; flex-direction: column; justify-content: center; align-items: flex-start; gap: 18px; }
.form.is-done .form__success { display: flex; }
.form.is-done .form__step, .form.is-done .form__nav, .form.is-done .form__progress, .form.is-done .form__error { display: none !important; }
.success__asterisk { font-size: 140px; line-height: 1; color: var(--pink); animation: spin 8s linear infinite; }
.success__title { margin: 0; font-size: clamp(46px, 5vw, 72px); }
.success__text { margin: 0; font-size: 21px; color: var(--mint-2); max-width: 460px; }
.success__text b { color: #fff; }
.burst { position: fixed; z-index: 150; width: 12px; height: 12px; pointer-events: none; }

@media (max-width: 1000px) { .signup__wrap { grid-template-columns: 1fr; } .form { min-height: 0; } }

/* ---------- FAQ ---------- */
.faq { padding: clamp(100px, 12vw, 170px) 0; background: var(--bg-mist); color: var(--ink); }
.faq__wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.faq__list { border-top: 2px dashed var(--pink); }
.qa { border-bottom: 2px dashed var(--pink); }
.qa summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px 0; font-weight: 700; font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.015em; transition: padding .4s var(--ease-out); }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { padding-left: 12px; }
.qa summary i { position: relative; flex: 0 0 40px; height: 40px; background: var(--ink); transition: background .3s, transform .5s var(--ease-out); }
.qa summary i::before, .qa summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 3px; margin: -1.5px 0 0 -7px; background: #fff; transition: transform .5s var(--ease-out); }
.qa summary i::after { transform: rotate(90deg); }
.qa summary:hover i, .qa[open] summary i { background: var(--pink); }
.qa[open] summary i { transform: rotate(180deg); }
.qa[open] summary i::after { transform: rotate(0); }
.qa__a { overflow: hidden; }
.qa__a p { margin: 0; padding: 0 60px 28px 0; font-size: 19px; color: #2e4338; }
@media (max-width: 900px) { .faq__wrap { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- FOOTER ---------- */
.footer { background: var(--bg-deep); padding: 90px 0 40px; overflow: hidden; }
.footer__big { display: flex; justify-content: center; font-size: clamp(80px, 17vw, 300px); padding: 0 var(--gutter) 50px; }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-top: 32px; border-top: 2px dashed rgba(232, 53, 122, .7); color: rgba(244, 247, 245, .75); font-size: 15px; }
.footer__row p { margin: 0; }
.footer__logos { display: flex; align-items: center; gap: 24px; }
.footer__logos img { height: 36px; width: auto; }
.footer__cta { padding: 8px 14px; background: var(--pink); color: #fff; font: 700 16px var(--f-sans); text-transform: uppercase; letter-spacing: .04em; }

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .manifesto__text .word { opacity: 1 !important; }
}