/* ============================================================
   Sensibilisation IA générative — styles
   Direction "Signal / Interférence" (inspiration Cyberpunk 2077)
   Jaune acide (primaire) · cyan (structure) · magenta (glitch) · rouge (menace)
   Sombre par défaut · thème clair en option · reduced-motion respecté
   ============================================================ */

:root {
  --ground: #06070B; --surface: #0C0E15; --surface-2: #14171F;
  --text: #ECEEF3; --muted: #868C9C; --line: rgba(255,255,255,.09); --line-strong: rgba(255,255,255,.20);
  --accent: #FCEE0A; --accent-ink: #FFF04D; --accent-soft: rgba(252,238,10,.12);
  --cyan: #21E7FF; --cyan-soft: rgba(33,231,255,.12); --magenta: #FF2A6D;
  --danger: #FF3B5C; --danger-soft: rgba(255,59,92,.15); --warn: #FF8A2A;
  --glitch-a: #21E7FF; --glitch-b: #FF2A6D;
  --shadow: 0 28px 70px -34px rgba(0,0,0,.92);
  --radius: 3px; --radius-sm: 2px; --maxw: 1120px; --readw: 64ch;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Monaco, "Cascadia Code", "Roboto Mono", monospace;
}
:root[data-theme="dark"] {
  --ground: #06070B; --surface: #0C0E15; --surface-2: #14171F;
  --text: #ECEEF3; --muted: #868C9C; --line: rgba(255,255,255,.09); --line-strong: rgba(255,255,255,.20);
  --accent: #FCEE0A; --accent-ink: #FFF04D; --accent-soft: rgba(252,238,10,.12);
  --cyan: #21E7FF; --cyan-soft: rgba(33,231,255,.12); --magenta: #FF2A6D;
  --danger: #FF3B5C; --danger-soft: rgba(255,59,92,.15); --warn: #FF8A2A;
  --glitch-a: #21E7FF; --glitch-b: #FF2A6D;
  --shadow: 0 28px 70px -34px rgba(0,0,0,.92);
}
:root[data-theme="light"] {
  --ground: #ECEDF0; --surface: #FFFFFF; --surface-2: #F3F4F7;
  --text: #101319; --muted: #55606F; --line: rgba(16,19,25,.14); --line-strong: rgba(16,19,25,.26);
  --accent: #F2DE00; --accent-ink: #6E5E00; --accent-soft: rgba(242,222,0,.20);
  --cyan: #0B7C8E; --cyan-soft: rgba(11,124,142,.12); --magenta: #C01A5A;
  --danger: #C7302B; --danger-soft: rgba(199,48,43,.10); --warn: #B4691C;
  --glitch-a: #0B7C8E; --glitch-b: #C01A5A;
  --shadow: 0 1px 0 rgba(16,19,25,.03), 0 18px 40px -28px rgba(16,19,25,.45);
}

/* ---------- Reset minimal ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font-family: var(--sans); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--accent); color: #0A0A0A;
  font-family: var(--mono); font-size: .78rem; padding: 10px 14px; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* ---------- Fond animé ---------- */
.bg {
  position: fixed; inset: 0; z-index: -4; pointer-events: none; overflow: hidden;
  background:
    radial-gradient(46% 34% at 82% -8%, var(--accent-soft), transparent 62%),
    radial-gradient(40% 32% at 5% 3%, color-mix(in srgb, var(--cyan) 15%, transparent), transparent 62%),
    radial-gradient(52% 44% at 50% 114%, color-mix(in srgb, var(--magenta) 10%, transparent), transparent 60%);
  background-size: 220% 220%, 220% 220%, 220% 220%;
  animation: bgdrift 26s ease-in-out infinite alternate;
}
@keyframes bgdrift { 0%{background-position:0% 0%,100% 0%,50% 100%;} 100%{background-position:26% 18%,76% 12%,42% 82%;} }
.bg::before {
  content:""; position:absolute; inset:-20%; opacity:.5; mix-blend-mode:overlay; background-size:150px;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='140'%20height='140'%3E%3Cfilter%20id='n'%3E%3CfeTurbulence%20type='fractalNoise'%20baseFrequency='0.85'%20numOctaves='2'%20stitchTiles='stitch'/%3E%3C/filter%3E%3Crect%20width='100%25'%20height='100%25'%20filter='url(%23n)'%20opacity='0.35'/%3E%3C/svg%3E");
  animation: noiseShift 3s steps(5) infinite;
}
@keyframes noiseShift { 0%{transform:translate(0,0)} 25%{transform:translate(-4%,3%)} 50%{transform:translate(3%,-3%)} 75%{transform:translate(-3%,-2%)} 100%{transform:translate(0,0)} }
.bg::after {
  content:""; position:absolute; left:0; right:0; height:40vh; top:-40vh;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--cyan) 8%, transparent) 55%, transparent);
  animation: scan 8s linear infinite;
}
@keyframes scan { 0%{transform:translateY(0)} 100%{transform:translateY(160vh)} }
#fx { position: fixed; inset: 0; z-index: -3; pointer-events: none; opacity: .65; }
.crt { position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image: repeating-linear-gradient(to bottom, rgba(255,255,255,.035) 0 1px, transparent 1px 3px); }
.gbar {
  position: fixed; left: 0; right: 0; height: 90px; z-index: 60; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--cyan) 40%, transparent) 20%, color-mix(in srgb, var(--magenta) 40%, transparent) 80%, transparent);
  mix-blend-mode: screen; filter: blur(1px);
}
.gbar.run { animation: gbar .5s ease-in-out 1; }
@keyframes gbar { 0%{opacity:0; top:-10%;} 20%{opacity:.55;} 80%{opacity:.5;} 100%{opacity:0; top:110%;} }
@media (prefers-reduced-motion: reduce) {
  .bg, .bg::before, .bg::after { animation: none; }
  #fx, .gbar { display: none; }
}

/* ---------- Typographie & utilitaires ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }
.eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--cyan); display: inline-flex; align-items: center; gap: .6em; margin: 0 0 1.1rem; }
.eyebrow .idx { color: var(--accent); }
.eyebrow::before { content:""; width: 26px; height: 2px; background: var(--accent); display: inline-block; }
h1, h2, h3 { text-wrap: balance; line-height: 1.05; letter-spacing: -.02em; margin: 0; }
.thesis { font-size: clamp(1.9rem, 4.4vw, 3.1rem); font-weight: 750; }
.lede { color: var(--muted); font-size: 1.12rem; max-width: var(--readw); margin: 1.2rem 0 0; }
.lede.sm { font-size: 1rem; margin-top: .4rem; }
.muted { color: var(--muted); }
.accent { color: var(--accent-ink); }
.illus { font-family: var(--mono); font-size: .72em; color: var(--warn); letter-spacing: .04em; }
.mt-lg { margin-top: 2rem; }
.mb-sm { margin-bottom: .8rem; }
a { color: inherit; }
.hud-label { font-family: var(--mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); margin: 0 0 1rem; }
.blink { animation: blink 1.05s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .blink { animation: none; } }

/* ---------- Nav ---------- */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(14px); background: color-mix(in srgb, var(--ground) 80%, transparent);
  border-bottom: 1px solid var(--line); }
.topbar .row { display: flex; align-items: center; gap: 18px; height: 58px; }
.brand { display: flex; align-items: baseline; gap: .5rem; font-family: var(--mono); font-weight: 700; letter-spacing: -.01em; font-size: 1.02rem; text-decoration: none; }
.brand.sm { font-size: .95rem; }
.brand .tag { font-size: .58rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--line)); padding: 2px 6px; margin-left: .4rem; }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a { font-family: var(--mono); font-size: .74rem; letter-spacing: .04em; text-decoration: none;
  color: var(--muted); padding: 8px 11px; white-space: nowrap; transition: color .2s, background .2s; position: relative; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a.active { color: var(--accent); }
.nav a.active::after { content:""; position:absolute; left:11px; right:11px; bottom:2px; height:2px; background: var(--accent); }
.chapmark { display: none; font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; color: var(--cyan); margin: 0 6px 0 10px; }
body.chaptered .chapmark { display: inline-block; }
.icon-btn { display: inline-grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); cursor: pointer;
  transition: border-color .2s, transform .15s, color .2s;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px)); }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0%; background: linear-gradient(90deg, var(--cyan), var(--accent)); }

/* ---------- Sections & reveal ---------- */
section { position: relative; padding-block: clamp(4.5rem, 11vh, 9rem); border-top: 1px solid var(--line); }
#hero { border-top: 0; padding-top: clamp(6rem, 16vh, 10rem); }
.rise { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.rise.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rise { opacity: 1; transform: none; transition: none; } }

/* ---------- Mode "chapitres" (desktop) ---------- */
.nextchap { position: fixed; right: 26px; bottom: 26px; z-index: 55; display: none; }
body.chaptered .nextchap { display: inline-flex; }
main.chaptered section { border-top: 0; min-height: calc(100vh - 58px); padding-top: 92px; }
main.chaptered section:not(.active-view) { display: none; }
main.chaptered section.enter-fwd { animation: viewInFwd .5s cubic-bezier(.2,.7,.2,1); }
main.chaptered section.enter-back { animation: viewInBack .5s cubic-bezier(.2,.7,.2,1); }
@keyframes viewInFwd { from { opacity: 0; transform: translateX(48px); } to { opacity: 1; transform: none; } }
@keyframes viewInBack { from { opacity: 0; transform: translateX(-48px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { main.chaptered section.enter-fwd, main.chaptered section.enter-back { animation: none; } }

/* ---------- Cadres HUD (coins) ---------- */
.card, .rcard, .panel, .quiz, .meter-wrap, .final-cta, .vc-card, .finaltest { position: relative; }
.card::before, .rcard::before, .panel::before, .quiz::before, .meter-wrap::before, .final-cta::before, .vc-card::before, .finaltest::before,
.card::after, .rcard::after, .panel::after, .quiz::after, .meter-wrap::after, .final-cta::after, .vc-card::after, .finaltest::after {
  content:""; position:absolute; width:11px; height:11px; pointer-events:none; z-index:3; opacity:.55;
}
.card::before, .rcard::before, .panel::before, .quiz::before, .meter-wrap::before, .final-cta::before, .vc-card::before, .finaltest::before {
  top:-1px; left:-1px; border-top:2px solid var(--cyan); border-left:2px solid var(--cyan);
}
.card::after, .rcard::after, .panel::after, .quiz::after, .meter-wrap::after, .final-cta::after, .vc-card::after, .finaltest::after {
  bottom:-1px; right:-1px; border-bottom:2px solid var(--cyan); border-right:2px solid var(--cyan);
}

/* ---------- Hero ---------- */
.hero-eyebrow { font-family: var(--mono); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: .6em; padding: 6px 12px; border: 1px solid var(--line-strong); background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px)); }
.hero-eyebrow .dot { width: 7px; height: 7px; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), 0 0 10px var(--accent); }
#hero h1 { font-size: clamp(2.5rem, 7.2vw, 5.6rem); font-weight: 800; margin-top: 1.4rem; }
#hero .lede { font-size: clamp(1.05rem, 2vw, 1.3rem); }
.glitch { position: relative; display: inline-block; color: var(--accent); }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; inset: 0; pointer-events: none; opacity: 0; }
.glitch::before { color: var(--magenta); }
.glitch::after { color: var(--cyan); }
#hero h1 .glitch::before { opacity: .3; transform: translate(-1.5px, 0); }
#hero h1 .glitch::after { opacity: .3; transform: translate(1.5px, 0); }
#menaces h2 .glitch::before { opacity: .25; transform: translate(-1px, 0); }
#menaces h2 .glitch::after { opacity: .25; transform: translate(1px, 0); }
.glitch:hover::before, .glitch:hover::after { opacity: .9; }
.glitch:hover::before { transform: translate(-2px, 1px); }
.glitch:hover::after { transform: translate(2px, -1px); }
.glitch.pulse::before { opacity: .95; animation: gl-b .34s steps(2) 1; }
.glitch.pulse::after { opacity: .95; animation: gl-a .34s steps(2) 1; }
@keyframes gl-a { 0%{transform:translate(3px,-1px);clip-path:inset(0 0 62% 0)} 25%{transform:translate(-3px,1px);clip-path:inset(40% 0 20% 0)} 50%{transform:translate(2px,2px);clip-path:inset(72% 0 0 0)} 75%{transform:translate(-2px,-2px);clip-path:inset(15% 0 55% 0)} 100%{transform:translate(1.5px,0);clip-path:inset(0 0 0 0)} }
@keyframes gl-b { 0%{transform:translate(-3px,1px);clip-path:inset(55% 0 0 0)} 25%{transform:translate(3px,-1px);clip-path:inset(10% 0 60% 0)} 50%{transform:translate(-2px,-2px);clip-path:inset(0 0 70% 0)} 75%{transform:translate(2px,2px);clip-path:inset(45% 0 18% 0)} 100%{transform:translate(-1.5px,0);clip-path:inset(0 0 0 0)} }
@media (prefers-reduced-motion: reduce) {
  #hero h1 .glitch::before, #hero h1 .glitch::after, #menaces h2 .glitch::before, #menaces h2 .glitch::after,
  .glitch:hover::before, .glitch:hover::after, .glitch.pulse::before, .glitch.pulse::after { opacity: 0; transform: none; animation: none; }
}

/* Cartes "Vrai ou IA ?" */
.reveal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 1.4rem; }
.rcard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; box-shadow: var(--shadow); }
.rcard .media { aspect-ratio: 4 / 3; position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.rcard .kind { position: absolute; top: 10px; left: 10px; z-index: 2; font-family: var(--mono); font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); background: color-mix(in srgb, var(--surface) 78%, transparent); border: 1px solid var(--line); padding: 3px 7px; }
.m-face { position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 20%, #cfd6e2, #7c8aa3 60%, #47536a 100%); }
.m-face::before { content:""; position:absolute; left:50%; top:30%; width:44%; height:52%; transform:translateX(-50%); border-radius:50% 50% 46% 46%; background: linear-gradient(160deg, #e7ecf4, #9aa7bd); box-shadow: 0 20px 40px -18px rgba(0,0,0,.4); }
.m-face::after { content:""; position:absolute; left:50%; top:64%; width:70%; height:40%; transform:translateX(-50%); border-radius:50% 50% 0 0; background: linear-gradient(160deg, #cbd3e0, #6b788f); }
.m-text { position: absolute; inset: 0; padding: 16px; font-family: var(--mono); font-size: .72rem; line-height: 1.5; color: var(--muted); background: var(--surface-2); }
.m-audio { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 3px; background: var(--surface-2); padding: 0 14px; }
.m-audio i { display: block; width: 3px; background: linear-gradient(var(--accent), var(--cyan)); transform-origin: center; animation: eq 1s ease-in-out infinite alternate; }
@keyframes eq { from { transform: scaleY(.35); } to { transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce) { .m-audio i { animation: none; } }
.rcard .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 12px; }
.rcard .q { font-weight: 650; font-size: 1rem; }
.rcard .reveal-btn { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; cursor: pointer; align-self: flex-start; padding: 8px 14px; border: 1px solid var(--line-strong); background: transparent; color: var(--text); transition: border-color .2s, background .2s, color .2s; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px)); }
.rcard .reveal-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.verdict { font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; display: none; align-items: center; gap: .5em; }
.rcard.revealed .reveal-btn { display: none; }
.rcard.revealed .verdict { display: flex; }
.verdict.synth { color: var(--magenta); }
.verdict.real { color: var(--cyan); }
.rcard .why { font-size: .86rem; color: var(--muted); display: none; }
.rcard.revealed .why { display: block; }
.rcard.flash .media { animation: flash .5s steps(2) 1; }
@keyframes flash { 0%,100% { filter: none; } 50% { filter: hue-rotate(60deg) contrast(1.4) saturate(1.5); } }
@media (prefers-reduced-motion: reduce) { .rcard.flash .media { animation: none; } }
.scrollcue { margin-top: 2.4rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: .6em; background: transparent; border: 0; cursor: pointer; padding: 6px 0; }
.scrollcue:hover { color: var(--accent); }

/* ---------- Grilles de cartes ---------- */
.cards { display: grid; gap: 16px; margin-top: 2.4rem; }
.cards.c3 { grid-template-columns: repeat(3, 1fr); }
.cards.c4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-left: 2px solid var(--cyan); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow); transition: border-color .2s, transform .15s; }
.card:hover { transform: translateY(-2px); border-left-color: var(--accent); }
.card .n { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; color: var(--cyan); }
.card h3 { font-size: 1.2rem; font-weight: 700; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card.danger { border-left-color: var(--danger); }
.card.danger .n { color: var(--danger); }
.card.danger::before, .card.danger::after { border-color: var(--danger); }
.schema { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .72rem; color: var(--text); flex-wrap: wrap; margin-top: 4px; }
.schema .box { border: 1px solid var(--line-strong); padding: 6px 9px; background: var(--surface-2); }
.schema .arrow { color: var(--accent); }

/* ---------- Accordéon ---------- */
.accordion { margin-top: 2rem; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.acc-item + .acc-item { border-top: 1px solid var(--line); }
.acc-head { width: 100%; text-align: left; background: transparent; border: 0; cursor: pointer; color: var(--text); padding: 16px 20px; display: flex; align-items: center; gap: 14px; font-size: 1rem; font-weight: 600; }
.acc-head .mark { font-family: var(--mono); color: var(--magenta); font-size: .8rem; border: 1px solid var(--line-strong); padding: 2px 7px; }
.acc-head .chev { margin-left: auto; color: var(--muted); transition: transform .25s; }
.acc-item[aria-expanded="true"] .chev { transform: rotate(45deg); color: var(--accent); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
@media (prefers-reduced-motion: reduce) { .acc-panel { transition: none; } }
.acc-panel .inner { padding: 0 20px 18px 62px; color: var(--muted); font-size: .95rem; }
.acc-panel .inner b { color: var(--cyan); font-weight: 650; }

/* ---------- Frise "anatomie" ---------- */
.steps { margin-top: 2.4rem; }
.steps .track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.step { text-align: left; cursor: pointer; background: var(--surface); border: 1px solid var(--line); color: var(--text); border-radius: var(--radius-sm); padding: 14px; display: flex; flex-direction: column; gap: 8px; transition: border-color .2s, transform .15s; }
.step:hover { border-color: var(--accent); transform: translateY(-2px); }
.step.active { border-color: var(--accent); background: var(--accent-soft); }
.step .s-n { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: var(--cyan); }
.step .s-t { font-weight: 650; font-size: .92rem; }
.step .s-ai { font-family: var(--mono); font-size: .62rem; color: var(--magenta); text-transform: uppercase; letter-spacing: .1em; }
.step-detail { margin-top: 14px; padding: 18px 20px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); background: var(--surface-2); color: var(--muted); font-size: .95rem; min-height: 62px; }
.step-detail b { color: var(--text); }

/* ---------- Ticker ---------- */
.ticker { margin-top: 2rem; border-block: 1px solid var(--line); overflow: hidden; white-space: nowrap;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: inline-flex; gap: 30px; padding: 13px 0; font-family: var(--mono); font-size: .82rem; color: var(--danger); animation: tick 34s linear infinite; will-change: transform; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track .lead { color: var(--accent); }
.ticker-track .tk-sep { color: var(--muted); }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ---------- Deux colonnes ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 2.4rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.panel h3 { font-size: 1.1rem; margin-bottom: 6px; }
.signal-list, .method-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.signal-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .95rem; }
.signal-list .flag { color: var(--danger); font-family: var(--mono); }
.method-list li { display: flex; gap: 14px; align-items: baseline; font-size: .95rem; }
.method-list .m-n { font-family: var(--mono); color: var(--accent); font-weight: 700; }

/* ---------- Quiz / Test final ---------- */
.quiz, .finaltest { margin-top: 2.4rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.q-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.q-top h3 { font-size: 1.15rem; }
.q-score { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.q-score b { color: var(--accent); display: inline-block; }
.q-score b.pop { animation: pop .4s ease; }
@keyframes pop { 0%{transform:scale(1)} 40%{transform:scale(1.5); color: var(--cyan);} 100%{transform:scale(1)} }
.q-item { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 18px; }
.q-stim { display: flex; gap: 16px; align-items: center; }
.q-thumb { width: 84px; height: 64px; border: 1px solid var(--line); flex: none; overflow: hidden; position: relative; }
.q-thumb.txt { font-family: var(--mono); font-size: .55rem; color: var(--muted); padding: 6px; line-height: 1.3; }
.q-thumb.wave { display: flex; align-items: center; justify-content: center; gap: 2px; padding: 0 8px; }
.q-thumb.wave i { width: 2px; background: var(--accent); }
.q-prompt { font-weight: 600; }
.q-prompt .sub { display: block; color: var(--muted); font-weight: 400; font-size: .86rem; margin-top: 3px; }
.q-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.q-btn { font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; cursor: pointer; padding: 10px 16px; border: 1px solid var(--line-strong); background: transparent; color: var(--text); transition: border-color .2s, background .2s, color .2s; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px)); }
.q-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.q-btn:disabled { opacity: .55; cursor: default; }
.q-btn.good { border-color: var(--cyan); background: var(--cyan-soft); color: var(--cyan); }
.q-btn.bad { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }
.q-fb { margin-top: 12px; font-size: .9rem; color: var(--muted); display: none; }
.q-item.done .q-fb { display: block; }
.q-fb .verdict { display: inline-flex; margin-right: .5em; }

/* Badge de fin */
.badge { margin-top: 22px; }
.badge-card { border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line)); border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: var(--radius); padding: 24px; text-align: center; }
.badge-label { font-family: var(--mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.badge-score b { font-size: 2.4rem; font-family: var(--mono); color: var(--text); display: block; margin: 8px 0; }
.badge-msg { color: var(--muted); margin: 0 0 14px; }
.badge .cta-row { justify-content: center; }
.badge-note { font-family: var(--mono); font-size: .72rem; color: var(--cyan); display: block; margin-top: 10px; min-height: 1em; }

/* ---------- Callout / boutons ---------- */
.callout { margin-top: 2rem; display: flex; gap: 18px; align-items: flex-start; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line)); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 20px 22px; }
.callout .k { font-family: var(--mono); color: var(--accent); font-size: 1.3rem; }
.callout p { margin: 0; font-size: .95rem; }
.callout p b { color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: .6em; font-family: var(--mono); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase;
  text-decoration: none; padding: 12px 22px; cursor: pointer; border: 1px solid transparent; font-weight: 700;
  background: var(--accent); color: #0A0A0A; transition: transform .15s, filter .2s;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  filter: drop-shadow(0 4px 14px color-mix(in srgb, var(--accent) 45%, transparent)); }
.btn:hover { transform: translateY(-2px); filter: drop-shadow(0 8px 22px color-mix(in srgb, var(--accent) 75%, transparent)); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line-strong); filter: none; }
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

/* ---------- Estimateur ---------- */
.meter-wrap { margin-top: 2.4rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.meter-wrap .cap { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--line)); padding: 3px 8px; display: inline-block; }
.meter-wrap h3 { font-size: 1.1rem; margin: 12px 0 4px; }
.meter-labels { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .72rem; color: var(--muted); margin-top: 18px; }
input[type="range"] { width: 100%; margin-top: 8px; accent-color: var(--accent); }
.bars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 20px; align-items: end; height: 130px; }
.bar { position: relative; background: var(--surface-2); border: 1px solid var(--line); display: flex; align-items: flex-end; overflow: hidden; }
.bar .fill { width: 100%; background: linear-gradient(var(--cyan), var(--accent)); transition: height .4s cubic-bezier(.2,.7,.2,1); }
.bar.on { border-color: var(--accent); }
.bar.on .fill { box-shadow: 0 0 20px var(--accent); }
.bar-names { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.bar-name { font-family: var(--mono); font-size: .64rem; color: var(--muted); text-align: center; margin-top: 8px; }
.estim-note { font-size: .82rem; color: var(--muted); margin-top: 16px; }
.estim-note code { font-family: var(--mono); color: var(--warn); }

/* ---------- Module : clonage vocal ---------- */
.voiceclone { margin-top: 2.4rem; }
.vc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 1.2rem; }
.vc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.vc-tag { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.vc-play { margin-top: 12px; font-family: var(--mono); font-size: .78rem; cursor: pointer; padding: 9px 14px; border: 1px solid var(--line-strong); background: transparent; color: var(--text); display: inline-flex; align-items: center; gap: .5em; transition: border-color .2s, color .2s; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px)); }
.vc-play:hover { border-color: var(--accent); color: var(--accent); }
.vc-wave { display: flex; align-items: center; gap: 3px; height: 44px; margin-top: 14px; }
.vc-wave i { display: block; width: 3px; background: linear-gradient(var(--accent), var(--cyan)); transform-origin: center; transform: scaleY(.3); }
.vc-card.playing .vc-wave i { animation: eq 1s ease-in-out infinite alternate; }
.vc-verdict { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); margin-top: 12px; opacity: 0; transition: opacity .3s; }
.vc-verdict.synth { color: var(--magenta); }
.vc-card.revealed .vc-verdict { opacity: 1; }
.vc-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.vc-feedback { margin-top: 12px; color: var(--muted); font-size: .9rem; min-height: 1em; }
.vc-feedback .verdict { display: inline-flex; margin-right: .5em; }

/* ---------- Module : repère le deepfake ---------- */
.spotfake { margin-top: 2.4rem; }
.sf-stage { position: relative; width: 100%; max-width: 420px; aspect-ratio: 4 / 3; margin-top: 1.2rem; border: 1px solid var(--line); overflow: hidden; }
.sf-hot { position: absolute; width: 30px; height: 30px; border-radius: 50%; transform: translate(-50%, -50%); border: 2px solid var(--accent); background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--text); font-family: var(--mono); font-weight: 700; cursor: pointer; animation: hotpulse 2.2s ease-in-out infinite; }
@keyframes hotpulse { 0%,100% { box-shadow: 0 0 0 0 var(--accent-soft); } 50% { box-shadow: 0 0 0 9px transparent; } }
.sf-hot:hover, .sf-hot.on { background: var(--accent); color: #0A0A0A; }
@media (prefers-reduced-motion: reduce) { .sf-hot { animation: none; } }
.sf-detail { margin-top: 14px; padding: 14px 16px; border: 1px dashed var(--line-strong); background: var(--surface-2); color: var(--muted); font-size: .92rem; border-radius: var(--radius-sm); min-height: 44px; }
.sf-note { margin-top: 14px; font-size: .86rem; color: var(--muted); }
.sf-note b { color: var(--warn); }

/* ---------- Disclosure (details) ---------- */
.disclosure { margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.disclosure summary { cursor: pointer; padding: 12px 16px; font-family: var(--mono); font-size: .78rem; color: var(--cyan); }
.disclosure p { padding: 0 16px 14px; color: var(--muted); font-size: .9rem; margin: 0; }
.disclosure code { font-family: var(--mono); color: var(--warn); }

/* ---------- Agir ---------- */
#agir .reflexes { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.6rem; align-items: baseline; }
#agir .reflexes .r { font-family: var(--mono); font-size: clamp(1.3rem, 4vw, 2.4rem); font-weight: 700; letter-spacing: -.01em; color: var(--accent); }
#agir .reflexes .sep { color: var(--cyan); font-size: clamp(1.3rem, 4vw, 2.4rem); }
.agir-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 2.4rem; }
.final-cta { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.final-cta h3 { font-size: 1.3rem; margin-bottom: 8px; }
.res-list { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 10px; font-size: .95rem; }
.res-list li { display: flex; gap: 10px; align-items: center; color: var(--muted); }
.res-list .b { font-family: var(--mono); color: var(--accent); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); padding-block: 40px; color: var(--muted); font-size: .85rem; }
footer .row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }
footer .legal { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: .74rem; }
.disclaimer { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); font-size: .76rem; }

/* ---------- Pages légales ---------- */
.legal-page { max-width: 780px; margin-inline: auto; padding: 120px clamp(20px, 5vw, 48px) 90px; }
.legal-page h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin: .4rem 0 1.4rem; }
.legal-page h2 { font-size: 1.25rem; margin: 2.2rem 0 .6rem; color: var(--text); }
.legal-page p, .legal-page li { color: var(--text); }
.legal-page a { color: var(--cyan); }
.legal-page .todo { background: var(--danger-soft); border-left: 3px solid var(--warn); padding: 2px 7px; font-family: var(--mono); font-size: .85em; color: var(--warn); }
.legal-back { display: inline-flex; margin-top: 2.4rem; font-family: var(--mono); font-size: .8rem; color: var(--cyan); text-decoration: none; }
.legal-back:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .reveal-grid { grid-template-columns: 1fr; }
  .cards.c3, .cards.c4 { grid-template-columns: 1fr 1fr; }
  .steps .track { grid-template-columns: 1fr 1fr; }
  .duo, .agir-grid, .vc-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .cards.c3, .cards.c4, .steps .track { grid-template-columns: 1fr; }
}