/* ==========================================================================
   Passeport IAE — Prépa IAE Message
   Design tokens : dark-first (« nuit d'examen »), thème clair « papier » via data-theme.
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg: #0f1219;
  --bg-2: #131825;
  --surface: #161b26;
  --surface-2: #1d2431;
  --surface-3: #242c3b;
  --line: #273043;
  --line-2: #33405a;
  --ink: #eef1f7;
  --ink-2: #b4bccd;
  --muted: #7d879c;
  --accent: #f2b544;          /* or du score */
  --accent-2: #ffd27a;
  --accent-ink: #1a1300;
  --primary: #5b8cff;         /* cobalt : contrôles */
  --primary-ink: #ffffff;
  --good: #3fd08a;
  --warn: #ff8a3d;
  --bad: #ff5c6c;
  --ep-culture: #e8c36a;
  --ep-francais: #f0709a;
  --ep-logique: #9b8cff;
  --ep-anglais: #33c6b0;
  --viz-culture: #b98a28;
  --viz-francais: #e45c87;
  --viz-logique: #8577f0;
  --viz-anglais: #1fa08d;
  --shadow: 0 20px 60px rgba(0, 0, 0, .45);
  --shadow-sm: 0 6px 24px rgba(0, 0, 0, .3);
  --glow: 0 0 0 1px rgba(242, 181, 68, .25), 0 0 40px rgba(242, 181, 68, .12);
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f2ec;
  --bg-2: #ebe8df;
  --surface: #ffffff;
  --surface-2: #f6f4ee;
  --surface-3: #ece9e0;
  --line: #e1ddd1;
  --line-2: #cfc9ba;
  --ink: #15181f;
  --ink-2: #454c5e;
  --muted: #7a8194;
  --accent: #b8801a;
  --accent-2: #d99a2b;
  --accent-ink: #ffffff;
  --primary: #2f5fd8;
  --primary-ink: #ffffff;
  --good: #1f9d5e;
  --warn: #d9641b;
  --bad: #d6394b;
  --ep-culture: #b8801a;
  --ep-francais: #d8386f;
  --ep-logique: #5b4bd6;
  --ep-anglais: #0f8f7c;
  --viz-culture: #c9932a;
  --viz-francais: #d8386f;
  --viz-logique: #5b4bd6;
  --viz-anglais: #0f8f7c;
  --shadow: 0 20px 50px rgba(40, 32, 10, .12);
  --shadow-sm: 0 6px 20px rgba(40, 32, 10, .08);
  --glow: 0 0 0 1px rgba(184, 128, 26, .25), 0 0 40px rgba(184, 128, 26, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  /* nappe lumineuse ambiante */
  content: "";
  position: fixed; inset: -20% -10% auto -10%; height: 70vh;
  background:
    radial-gradient(60% 60% at 20% 20%, rgba(91, 140, 255, .14), transparent 60%),
    radial-gradient(50% 50% at 85% 10%, rgba(242, 181, 68, .12), transparent 60%);
  pointer-events: none; z-index: 0;
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(60% 60% at 20% 20%, rgba(47, 95, 216, .10), transparent 60%),
    radial-gradient(50% 50% at 85% 10%, rgba(184, 128, 26, .14), transparent 60%);
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.01em; line-height: 1.1; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); letter-spacing: -.02em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
p { margin: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
.mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.ink2 { color: var(--ink-2); }
.eyebrow { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 62ch; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.container { width: min(1180px, 100% - 2rem); margin-inline: auto; position: relative; z-index: 1; }
.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section-head { display: grid; gap: .6rem; margin-bottom: 2.2rem; max-width: 70ch; }
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.stack { display: grid; gap: .8rem; }
.row { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.right { margin-left: auto; }

/* --------------------------------------------------------------- header */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(1.3);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.topbar .container { display: flex; align-items: center; gap: 1.2rem; min-height: 64px; }
.brand { display: flex; align-items: center; gap: .65rem; white-space: nowrap; color: var(--ink); font-family: var(--font-display); font-weight: 800; letter-spacing: -.02em; font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); font-family: var(--font-mono); font-weight: 700; font-size: .78rem; box-shadow: var(--glow); }
.brand small { display: block; font-family: var(--font-body); font-weight: 500; font-size: .7rem; color: var(--muted); letter-spacing: .02em; margin-top: -2px; }
.nav { display: flex; gap: .2rem; margin-left: .6rem; }
.nav a { white-space: nowrap; padding: .42rem .65rem; border-radius: 999px; color: var(--ink-2); font-weight: 500; font-size: .88rem; transition: background .2s, color .2s; }
.nav a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.nav a.active { background: var(--surface-3); color: var(--ink); }
.topbar-right { margin-left: auto; display: flex; gap: .5rem; align-items: center; }
.session-chip { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); padding: .35rem .65rem; border: 1px solid var(--line); border-radius: 999px; white-space: nowrap; }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; display: grid; place-items: center; transition: transform .2s var(--ease), background .2s; }
.icon-btn:hover { background: var(--surface-2); transform: translateY(-1px); }
.nav-toggle { display: none; }
@media (max-width: 1280px) { .session-chip { display: none; } }
@media (max-width: 900px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line); padding: .6rem; flex-direction: column; }
  .nav.open { display: flex; }
  .nav-toggle { display: grid; }
  .session-chip { display: none; }
}

/* --------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.15rem; border-radius: 12px; border: 1px solid var(--line-2); background: var(--surface-2); color: var(--ink); font-weight: 600; cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s, background .2s, border-color .2s; text-decoration: none; will-change: transform; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); text-decoration: none; }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary { background: var(--primary); border-color: transparent; color: var(--primary-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 88%, white); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; color: var(--accent-ink); box-shadow: var(--glow); }
.btn-ghost { background: transparent; }
.btn-sm { padding: .45rem .8rem; font-size: .88rem; border-radius: 9px; }
.btn-lg { padding: .95rem 1.5rem; font-size: 1.05rem; border-radius: 14px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.btn-danger { border-color: color-mix(in srgb, var(--bad) 50%, transparent); color: var(--bad); }

/* --------------------------------------------------------------- cards */
.card {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem;
  transition: transform .35s var(--ease), border-color .3s, box-shadow .35s;
  overflow: hidden;
}
.card.spot::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--spot, var(--primary)) 16%, transparent), transparent 55%);
}
.card.spot:hover::after { opacity: 1; }
.card.lift:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.card-pad-lg { padding: 1.8rem; }
.card h3 { margin-bottom: .35rem; }
.card-flat { background: var(--surface-2); border: none; }

/* épreuve accents */
.ep { --ep: var(--primary); }
.ep-culture { --ep: var(--ep-culture); --spot: var(--ep-culture); --viz: var(--viz-culture); }
.ep-francais { --ep: var(--ep-francais); --spot: var(--ep-francais); --viz: var(--viz-francais); }
.ep-logique { --ep: var(--ep-logique); --spot: var(--ep-logique); --viz: var(--viz-logique); }
.ep-anglais { --ep: var(--ep-anglais); --spot: var(--ep-anglais); --viz: var(--viz-anglais); }
.ep-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ep); display: inline-block; flex: none; }
.ep-tag { display: inline-flex; align-items: center; gap: .45rem; padding: .3rem .65rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: color-mix(in srgb, var(--ep) 14%, transparent); color: var(--ep); }
.ep-bar { height: 3px; background: var(--ep); border-radius: 3px; }

.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .7rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); font-size: .8rem; color: var(--ink-2); }
.chip.active, .chip:hover { border-color: var(--primary); color: var(--ink); }
.chip.accent { background: color-mix(in srgb, var(--accent) 14%, transparent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--accent); }
.chip.good { background: color-mix(in srgb, var(--good) 14%, transparent); border-color: transparent; color: var(--good); }
.chip.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); border-color: transparent; color: var(--bad); }
.chip.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); border-color: transparent; color: var(--warn); }
button.chip { cursor: pointer; }

.kpi { display: grid; gap: .25rem; }
.kpi .label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.kpi .value { font-family: var(--font-display); font-size: 2.1rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi .value small { font-size: .95rem; color: var(--muted); font-weight: 600; letter-spacing: 0; }
.kpi .delta { font-family: var(--font-mono); font-size: .78rem; }
.delta.up { color: var(--good); }
.delta.down { color: var(--bad); }

.progress { height: 8px; border-radius: 6px; background: var(--surface-3); overflow: hidden; }
.progress > i { display: block; height: 100%; width: 0; border-radius: 6px; background: var(--ep, var(--primary)); transition: width 1.1s var(--ease); }

table.tbl { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tbl th { text-align: left; font-weight: 600; color: var(--muted); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; padding: .6rem .7rem; border-bottom: 1px solid var(--line); }
.tbl td { padding: .65rem .7rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: color-mix(in srgb, var(--surface-2) 70%, transparent); }
.tbl .num { text-align: right; }
.tbl-wrap { overflow-x: auto; }
.tbl th.sortable { cursor: pointer; user-select: none; }
.tbl th.sortable:hover { color: var(--ink); }

/* --------------------------------------------------------------- hero */
.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2rem, 5vw, 4rem); position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } }
.hero .eyebrow { margin-bottom: 1rem; display: inline-flex; gap: .6rem; align-items: center; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { margin-top: 1.2rem; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.8rem; }
.hero-proof { display: flex; gap: 1.6rem; flex-wrap: wrap; margin-top: 2.2rem; }
.hero-proof .kpi .value { font-size: 1.6rem; }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; pointer-events: none; z-index: 0; will-change: transform; }
.orb-1 { width: 380px; height: 380px; background: var(--primary); top: -80px; right: 5%; }
.orb-2 { width: 260px; height: 260px; background: var(--accent); bottom: -40px; left: 0; opacity: .3; }

.demo-card { transform-style: preserve-3d; transition: transform .2s ease-out; }
.demo-card .q-choices { margin-top: .9rem; }

/* --------------------------------------------------------------- score ruler (motif) */
.ruler { position: relative; height: 62px; margin-top: .6rem; }
.ruler-track { position: absolute; left: 0; right: 0; top: 26px; height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--bad), var(--warn) 45%, var(--good) 62%, var(--accent) 100%); opacity: .85; }
.ruler-tick { position: absolute; top: 16px; width: 1px; height: 26px; background: var(--line-2); }
.ruler-tick span { position: absolute; top: 28px; left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: .68rem; color: var(--muted); white-space: nowrap; }
.ruler-mark { position: absolute; top: 4px; transform: translateX(-50%); display: grid; justify-items: center; gap: 2px; transition: left 1.2s var(--ease); }
.ruler-mark b { font-family: var(--font-display); font-size: 1rem; background: var(--accent); color: var(--accent-ink); padding: .1rem .5rem; border-radius: 6px; box-shadow: var(--glow); white-space: nowrap; }
.ruler-mark i { width: 2px; height: 22px; background: var(--accent); }
.ruler-mark.ghost b { background: var(--surface-3); color: var(--ink-2); box-shadow: none; font-size: .78rem; }
.ruler-mark.ghost i { background: var(--line-2); }

/* --------------------------------------------------------------- quiz */
.quiz-layout { display: grid; grid-template-columns: 1fr 300px; gap: 1.4rem; align-items: start; }
@media (max-width: 960px) { .quiz-layout { grid-template-columns: 1fr; } }
.quiz-head { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.timer { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 600; letter-spacing: .02em; padding: .35rem .8rem; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); }
.timer.low { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.timer.critical { color: var(--bad); border-color: var(--bad); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .55; } }
.q-card { padding: 1.6rem; }
.q-meta { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; font-size: .8rem; color: var(--muted); }
.q-num { font-family: var(--font-mono); font-weight: 600; color: var(--ink-2); }
.q-context { background: var(--surface-2); border-left: 3px solid var(--ep, var(--primary)); padding: 1rem 1.1rem; border-radius: 0 12px 12px 0; margin-bottom: 1.1rem; max-height: 320px; overflow: auto; font-size: .95rem; line-height: 1.65; white-space: pre-line; color: var(--ink-2); }
.q-enonce { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; line-height: 1.35; margin-bottom: 1.1rem; }
.q-choices { display: grid; gap: .55rem; }
.choice { display: flex; align-items: flex-start; gap: .85rem; width: 100%; text-align: left; padding: .8rem 1rem; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); cursor: pointer; transition: transform .2s var(--ease), border-color .2s, background .2s; }
.choice:hover { border-color: var(--line-2); transform: translateX(3px); background: var(--surface-3); }
.choice .k { flex: none; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-family: var(--font-mono); font-size: .8rem; font-weight: 600; background: var(--surface-3); color: var(--ink-2); transition: background .2s, color .2s; }
.choice.selected { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--surface-2)); }
.choice.selected .k { background: var(--primary); color: var(--primary-ink); }
.choice.correct { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, var(--surface-2)); }
.choice.correct .k { background: var(--good); color: #062; }
.choice.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--surface-2)); }
.choice.wrong .k { background: var(--bad); color: #fff; }
.choice[disabled] { cursor: default; transform: none; }
.explain { margin-top: 1rem; padding: 1rem 1.1rem; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); animation: rise .45s var(--ease); }
.explain b { color: var(--good); }
.explain.ko b { color: var(--bad); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.q-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-top: 1.2rem; }
.kbd { font-family: var(--font-mono); font-size: .7rem; padding: .12rem .4rem; border-radius: 5px; border: 1px solid var(--line-2); color: var(--muted); }
.points-pop { position: absolute; right: 1.4rem; top: 1.2rem; font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; color: var(--good); animation: pop 1.1s var(--ease) forwards; pointer-events: none; }
.points-pop.zero { color: var(--muted); }
@keyframes pop { 0% { opacity: 0; transform: translateY(8px) scale(.8); } 25% { opacity: 1; transform: translateY(0) scale(1.1); } 100% { opacity: 0; transform: translateY(-22px) scale(1); } }

.navigator { position: sticky; top: 80px; }
.nav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(34px, 1fr)); gap: .35rem; margin-top: .8rem; }
.nav-cell { aspect-ratio: 1; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); font-family: var(--font-mono); font-size: .72rem; cursor: pointer; display: grid; place-items: center; position: relative; transition: transform .15s; color: var(--ink-2); }
.nav-cell:hover { transform: scale(1.08); }
.nav-cell.answered { background: color-mix(in srgb, var(--ep, var(--primary)) 25%, var(--surface-2)); border-color: color-mix(in srgb, var(--ep, var(--primary)) 50%, transparent); color: var(--ink); }
.nav-cell.current { outline: 2px solid var(--accent); outline-offset: 1px; }
.nav-cell.flag::after { content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }
.nav-ep { margin-top: .9rem; }
.nav-ep .row { font-size: .8rem; }
.nav-legend { display: flex; gap: .8rem; font-size: .72rem; color: var(--muted); margin-top: .8rem; flex-wrap: wrap; }
.nav-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; vertical-align: middle; margin-right: .3rem; }

/* --------------------------------------------------------------- charts */
.chart { width: 100%; height: auto; display: block; }
.chart text { font-family: var(--font-mono); font-size: 11px; fill: var(--muted); }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: var(--line-2); }
.chart .series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { opacity: .18; }
.chart .marker { stroke: var(--surface); stroke-width: 2; }
.chart .bar { rx: 3; }
.chart .label-ink { fill: var(--ink); font-weight: 600; }
.chart .ink2 { fill: var(--ink-2); }
.chart .hit { fill: transparent; cursor: crosshair; }
.tooltip { position: fixed; z-index: 90; pointer-events: none; background: var(--surface-3); border: 1px solid var(--line-2); border-radius: 10px; padding: .5rem .7rem; font-size: .8rem; box-shadow: var(--shadow-sm); opacity: 0; transition: opacity .15s; max-width: 260px; }
.tooltip.show { opacity: 1; }
.tooltip b { font-family: var(--font-mono); }
.legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .8rem; color: var(--ink-2); margin-top: .6rem; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: .4rem; vertical-align: middle; }

.gauge-wrap { display: grid; place-items: center; position: relative; }
.gauge-center { position: absolute; text-align: center; top: 46%; transform: translateY(-40%); }
.gauge-center .big { font-family: var(--font-display); font-size: 3.4rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.gauge-center .big small { font-size: 1.1rem; color: var(--muted); letter-spacing: 0; font-weight: 600; }
.gauge-center .sub { font-size: .8rem; color: var(--muted); margin-top: .3rem; }

.heat { display: grid; grid-template-columns: repeat(12, 1fr); gap: 4px; }
.heat-col { display: grid; gap: 4px; }
.heat-cell { aspect-ratio: 1; border-radius: 3px; background: var(--surface-3); transition: transform .15s; }
.heat-cell:hover { transform: scale(1.25); }
.heat-cell.l1 { background: color-mix(in srgb, var(--accent) 30%, var(--surface-3)); }
.heat-cell.l2 { background: color-mix(in srgb, var(--accent) 55%, var(--surface-3)); }
.heat-cell.l3 { background: color-mix(in srgb, var(--accent) 80%, var(--surface-3)); }
.heat-cell.l4 { background: var(--accent); }

/* --------------------------------------------------------------- actualité timeline */
.months { display: grid; grid-template-columns: repeat(12, 1fr); gap: .4rem; }
@media (max-width: 900px) { .months { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 560px) { .months { grid-template-columns: repeat(4, 1fr); } }
.month { border: 1px solid var(--line); border-radius: 12px; padding: .6rem .5rem; text-align: center; cursor: pointer; background: var(--surface); transition: transform .25s var(--ease), border-color .2s, background .2s; display: grid; gap: .3rem; }
.month:hover { transform: translateY(-3px); border-color: var(--line-2); }
.month.active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--surface)); }
.month .m { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; }
.month .n { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; line-height: 1; }
.month .dots { display: flex; gap: 3px; justify-content: center; flex-wrap: wrap; min-height: 8px; }
.month .dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.month.expiring { border-style: dashed; }
.month.empty .n { color: var(--muted); }
.fiche { cursor: pointer; }
.fiche .answer { display: none; margin-top: .8rem; padding-top: .8rem; border-top: 1px dashed var(--line); }
.fiche.open .answer { display: block; animation: rise .4s var(--ease); }
.fiche .answer b { color: var(--good); }
.domain-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* --------------------------------------------------------------- landing bits */
.feature-list { display: grid; gap: .9rem; }
.feature { display: flex; gap: .9rem; align-items: flex-start; }
.feature .ico { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--primary) 16%, transparent); color: var(--primary); font-family: var(--font-mono); font-weight: 700; }
.pricing { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); align-items: stretch; }
.price { display: grid; gap: .8rem; align-content: start; }
.price .amount { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; letter-spacing: -.03em; }
.price .amount small { font-size: .9rem; color: var(--muted); font-weight: 500; }
.price ul { margin: 0; padding-left: 1.1rem; color: var(--ink-2); display: grid; gap: .3rem; font-size: .93rem; }
.price.featured { border-color: var(--accent); box-shadow: var(--glow); }
.ribbon { position: absolute; top: 24px; right: -48px; width: 190px; text-align: center; transform: rotate(45deg); background: var(--accent); color: var(--accent-ink); font-size: .68rem; font-weight: 700; padding: .3rem 0; letter-spacing: .08em; box-shadow: var(--shadow-sm); }
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: .8rem 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 2.5rem; width: max-content; animation: scroll 38s linear infinite; font-family: var(--font-mono); font-size: .78rem; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll { to { transform: translateX(-50%); } }
.steps { counter-reset: step; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.step { position: relative; padding-top: 2.6rem; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: 1.1rem; left: 1.35rem; font-family: var(--font-mono); color: var(--accent); font-size: .8rem; letter-spacing: .1em; }
.stat-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; }
.footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; color: var(--muted); font-size: .85rem; }
.footer .container { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: space-between; align-items: center; }

/* --------------------------------------------------------------- forms */
.field { display: grid; gap: .4rem; }
.field label { font-size: .8rem; font-weight: 600; color: var(--ink-2); }
select, input[type="number"], input[type="text"] { font: inherit; color: var(--ink); background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 10px; padding: .6rem .8rem; min-width: 0; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 3px; gap: 3px; flex-wrap: wrap; }
.seg button { border: none; background: transparent; padding: .5rem .9rem; border-radius: 9px; cursor: pointer; color: var(--ink-2); font-weight: 600; font-size: .9rem; transition: background .2s, color .2s; }
.seg button.active { background: var(--surface-3); color: var(--ink); box-shadow: var(--shadow-sm); }
.toggle { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; font-size: .9rem; }
.toggle input { appearance: none; width: 42px; height: 24px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--line-2); position: relative; cursor: pointer; transition: background .2s; margin: 0; }
.toggle input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--ink-2); transition: transform .25s var(--ease), background .2s; }
.toggle input:checked { background: var(--primary); }
.toggle input:checked::after { transform: translateX(18px); background: #fff; }
.pick-ep { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.pick-ep label { display: flex; align-items: center; gap: .7rem; padding: .8rem .9rem; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); cursor: pointer; transition: border-color .2s, transform .2s var(--ease); }
.pick-ep label:hover { transform: translateY(-2px); }
.pick-ep label.on { border-color: var(--ep); background: color-mix(in srgb, var(--ep) 10%, var(--surface-2)); }
.pick-ep input { accent-color: var(--ep); }
.pick-ep .n { margin-left: auto; font-family: var(--font-mono); font-size: .75rem; color: var(--muted); }

/* --------------------------------------------------------------- results */
.result-hero { display: grid; grid-template-columns: 340px 1fr; gap: 1.5rem; align-items: center; }
@media (max-width: 900px) { .result-hero { grid-template-columns: 1fr; } }
.ep-scores { display: grid; gap: .8rem; }
.ep-score { display: grid; grid-template-columns: 120px 1fr 64px; gap: .8rem; align-items: center; font-size: .9rem; }
.ep-score .num { text-align: right; font-weight: 600; }
.review-item { border-left: 3px solid var(--line-2); padding: .9rem 1rem; border-radius: 0 12px 12px 0; background: var(--surface-2); }
.review-item.ok { border-left-color: var(--good); }
.review-item.ko { border-left-color: var(--bad); }
.review-item.blank { border-left-color: var(--muted); }
.review-item .enonce { font-weight: 600; margin: .3rem 0 .4rem; }
.review-item .expl { color: var(--ink-2); font-size: .92rem; margin-top: .4rem; }
.callout { padding: 1rem 1.2rem; border-radius: 12px; background: color-mix(in srgb, var(--accent) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.callout.info { background: color-mix(in srgb, var(--primary) 10%, var(--surface)); border-color: color-mix(in srgb, var(--primary) 35%, transparent); }
.badge-demo { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: .2rem .5rem; border-radius: 6px; background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }

/* --------------------------------------------------------------- reveal / motion */
[data-reveal].pre { opacity: 0; transform: translateY(22px); }
[data-reveal].in { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0ms); }
.view { animation: view-in .45s var(--ease); }
@keyframes view-in { from { opacity: 0; transform: translateY(10px); } }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 80; }
.toast { position: fixed; bottom: 1.4rem; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--surface-3); border: 1px solid var(--line-2); padding: .7rem 1.1rem; border-radius: 12px; box-shadow: var(--shadow); opacity: 0; transition: .3s var(--ease); z-index: 95; font-size: .9rem; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-reveal].pre { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}
@media print { .topbar, .navigator, .btn, .orb { display: none !important; } body { background: #fff; color: #000; } }