/* ==========================================================================
   Victor Bonnin : feuille de style unique
   Direction : instrument de mesure. Noir graphite, un seul accent mauve,
   Geist + Geist Mono, rayon unique de 6px.
   ========================================================================== */

:root {
    --bg: #0c0d0f;
    --bg-2: #131417;
    --ink: #ebeae6;
    --ink-2: #a3a29c;
    --ink-3: #6d6c68;
    --line: rgb(235 234 230 / .12);
    --line-2: rgb(235 234 230 / .22);
    --dot: rgb(235 234 230 / .7);
    --accent: oklch(69% .17 305);
    --accent-ink: oklch(76% .14 305);
    --on-accent: #0c0d0f;

    --sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
    --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', monospace;
    --r: 6px;
    --ease: cubic-bezier(.16, 1, .3, 1);
    --gutter: clamp(16px, 4vw, 80px);
    --nav-h: 64px;
}

/* Mode blanc : data-theme est posé avant l'affichage par le script du <head>
   (choix du visiteur, sinon réglage du système). */
:root { color-scheme: dark; }
:root[data-theme="light"] {
    color-scheme: light;
    --bg: #f5f6f8;
    --bg-2: #eaecef;
    --ink: #111316;
    --ink-2: #4c5057;
    --ink-3: #6b7078;
    --line: rgb(17 19 22 / .12);
    --line-2: rgb(17 19 22 / .24);
    --dot: rgb(17 19 22 / .6);
    --accent: oklch(60% .17 305);
    --accent-ink: oklch(47% .15 305);
    --on-accent: #111316;
}

/* Palette réglée par la barre de couleurs de l'accueil :
   --h  (data-hue) : teinte de l'accent, en degrés ;
   --hb (data-bg)  : teinte du fond ; sans réglage, le fond suit la teinte de l'accent.
   Sans aucun réglage, ce sont les couleurs d'origine ci-dessus qui s'appliquent.
   Les luminosités sont fixes : seule la teinte change, donc les contrastes restent les mêmes. */
html[data-hue], html[data-bg] {
    --bgh: var(--hb, var(--h));
    --bg: oklch(15.5% .016 var(--bgh));
    --bg-2: oklch(19.5% .02 var(--bgh));
    --ink: oklch(94% .012 var(--bgh));
    --ink-2: oklch(75% .02 var(--bgh));
    --ink-3: oklch(57% .02 var(--bgh));
    --line: oklch(94% .012 var(--bgh) / .12);
    --line-2: oklch(94% .012 var(--bgh) / .22);
    --dot: oklch(94% .012 var(--bgh) / .7);
}
html[data-hue] {
    --accent: oklch(69% .17 var(--h));
    --accent-ink: oklch(76% .14 var(--h));
    --on-accent: oklch(16% .02 var(--h));
}
/* Mode blanc : des blancs plus marqués (crème, rosé, menthe, glacier...) */
html[data-hue][data-theme="light"], html[data-bg][data-theme="light"] {
    --bg: oklch(96.5% .022 var(--bgh));
    --bg-2: oklch(92.5% .028 var(--bgh));
    --ink: oklch(20% .015 var(--bgh));
    --ink-2: oklch(42% .02 var(--bgh));
    --ink-3: oklch(50% .02 var(--bgh));
    --line: oklch(20% .015 var(--bgh) / .12);
    --line-2: oklch(20% .015 var(--bgh) / .24);
    --dot: oklch(20% .015 var(--bgh) / .6);
}
html[data-hue][data-theme="light"] {
    --accent: oklch(60% .17 var(--h));
    --accent-ink: oklch(47% .15 var(--h));
    --on-accent: oklch(18% .02 var(--h));
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg);
    color: var(--ink);
    font: 400 1rem/1.6 var(--sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: var(--on-accent); }

/* Ascenseur : fin, graphite, curseur couleur d'accent */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg);
}
/* Safari et anciens navigateurs Chromium, qui ignorent scrollbar-color */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border: 3px solid var(--bg);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { border-width: 2px; }

/* Barre de couleurs, en haut de l'accueil, juste sous la navigation :
   accent, fond, retour aux couleurs d'origine, mode blanc */
.tint {
    position: absolute;
    top: calc(var(--nav-h) + 12px);
    left: var(--gutter);
    right: var(--gutter);
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 1080px;
    height: 36px;
    margin-inline: auto;
    padding: 0 4px 0 14px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.tint[hidden] { display: none; }
.tint__label { font: 500 .66rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.tint__range {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    min-width: 0;
    height: 4px;
    margin: 0 6px 0 0;
    border-radius: 2px;
    cursor: pointer;
}
.tint__range--accent {
    background: linear-gradient(90deg,
        oklch(69% .17 0), oklch(69% .17 45), oklch(69% .17 90), oklch(69% .17 135),
        oklch(69% .17 180), oklch(69% .17 225), oklch(69% .17 270), oklch(69% .17 315), oklch(69% .17 359));
}
/* La piste du fond montre les fonds possibles : sombres teintés, ou blancs en mode blanc */
.tint__range--bg {
    background: linear-gradient(90deg,
        oklch(34% .06 0), oklch(34% .06 45), oklch(34% .06 90), oklch(34% .06 135),
        oklch(34% .06 180), oklch(34% .06 225), oklch(34% .06 270), oklch(34% .06 315), oklch(34% .06 359));
    box-shadow: 0 0 0 1px var(--line-2);
}
[data-theme="light"] .tint__range--bg {
    background: linear-gradient(90deg,
        oklch(94% .045 0), oklch(94% .045 45), oklch(94% .045 90), oklch(94% .045 135),
        oklch(94% .045 180), oklch(94% .045 225), oklch(94% .045 270), oklch(94% .045 315), oklch(94% .045 359));
}
.tint__range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 18px;
    border-radius: 3px;
    background: var(--ink);
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 1px var(--line-2);
}
.tint__range::-moz-range-thumb {
    width: 6px;
    height: 14px;
    border-radius: 3px;
    background: var(--ink);
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 1px var(--line-2);
}
.tint__range:focus-visible { outline: 2px solid var(--accent); outline-offset: 8px; }
.tint__reset, .tint__theme {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 28px;
    min-width: 28px;
    border-radius: 4px;
    color: var(--ink-2);
    font-size: .82rem;
    transition: color .2s, background-color .2s;
}
.tint__reset[hidden] { display: none; }
.tint__theme { padding: 0 10px; }
.tint__theme i { font-size: 1rem; }
.tint__reset:hover, .tint__theme:hover { color: var(--ink); background: var(--line); }
.tint__sep { align-self: stretch; width: 1px; margin-block: 7px; background: var(--line); }
@media (max-width: 700px) {
    .tint { gap: 10px; padding-left: 12px; }
    .tint__label, .tint__theme span { display: none; }
}

/* Étiquette de section qui suit le curseur de l'ascenseur (placée par site.js) */
.rail-label {
    position: fixed;
    top: 0;
    right: 6px;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px;
    border-radius: var(--r);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    font: 500 .7rem var(--mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-2);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .4s;
    will-change: transform;
}
.rail-label.is-on { opacity: 1; }
.rail-label::after { content: ""; width: 18px; height: 1px; background: var(--accent); }
@media (max-width: 960px), (hover: none) { .rail-label { display: none; } }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.wrap {
    width: 100%;
    max-width: 1760px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip {
    position: fixed;
    left: 12px;
    top: -60px;
    z-index: 100;
    padding: 10px 14px;
    background: var(--accent);
    color: var(--on-accent);
    border-radius: var(--r);
}
.skip:focus { top: 12px; }

.top-sentinel { position: absolute; top: 0; height: 1px; width: 1px; }

.section { padding-block: clamp(96px, 12vw, 176px); }

.h2 {
    font-size: clamp(2.6rem, 6vw, 5.6rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -.045em;
}

/* ---------- Boutons & liens ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: .6em;
    height: 48px;
    padding-inline: 22px;
    border-radius: var(--r);
    font-weight: 500;
    white-space: nowrap;
    transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .15s var(--ease);
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn i { font-size: 1.1em; transition: transform .35s var(--ease); }
.btn:hover i { transform: translate(2px, -2px); }

.btn--solid { background: var(--accent); color: var(--on-accent); }
.btn--solid:hover { background: var(--ink); color: var(--bg); }
.btn--line { border: 1px solid var(--line-2); background: color-mix(in srgb, var(--bg) 40%, transparent); }
.btn--line:hover { border-color: var(--ink); }
.btn--sm { height: 40px; padding-inline: 16px; font-size: .92rem; }

.link {
    display: inline-flex;
    align-items: center;
    gap: .4em;
    color: var(--ink-2);
    border-bottom: 1px solid var(--line-2);
    padding-bottom: 2px;
    transition: color .2s, border-color .2s;
}
.link:hover { color: var(--ink); border-color: var(--accent); }

/* ---------- Navigation ----------
   Barre flottante détachée du haut : marque à gauche, liens groupés au centre avec
   un indicateur qui glisse (site.js), CV à droite, jauge de lecture en bas. */

.nav {
    position: fixed;
    top: 12px;
    left: var(--gutter);
    right: var(--gutter);
    z-index: 50;
    height: calc(var(--nav-h) - 12px);
    max-width: 1600px;
    margin-inline: auto;
    pointer-events: none;
}
.nav__bar {
    position: relative;
    isolation: isolate;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 0 8px;
    pointer-events: auto;
}
/* Voile de flou sans cadre : ses bords s'estompent, aucune arête nette.
   Presque invisible en haut de page, il se renforce une fois la page défilée. */
.nav__bar::before {
    content: "";
    position: absolute;
    inset: -6px -16px;
    z-index: -1;
    background: color-mix(in srgb, var(--bg) 25%, transparent);
    backdrop-filter: blur(8px) saturate(130%);
    -webkit-backdrop-filter: blur(8px) saturate(130%);
    -webkit-mask: linear-gradient(90deg, transparent, #000 48px, #000 calc(100% - 48px), transparent),
                  linear-gradient(transparent, #000 14px, #000 calc(100% - 14px), transparent);
    -webkit-mask-composite: source-in;
    mask: linear-gradient(90deg, transparent, #000 48px, #000 calc(100% - 48px), transparent),
          linear-gradient(transparent, #000 14px, #000 calc(100% - 14px), transparent);
    mask-composite: intersect;
    transition: background-color .5s, backdrop-filter .5s, -webkit-backdrop-filter .5s;
}
/* Fondu derrière la barre : le contenu qui défile ne se voit pas au-dessus d'elle */
.nav::before {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    height: calc(var(--nav-h) + 20px);
    z-index: -1;
    background: linear-gradient(var(--bg) 45%, transparent);
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s;
}
.nav.is-scrolled::before { opacity: 1; }
.nav.is-scrolled .nav__bar::before {
    background: color-mix(in srgb, var(--bg) 55%, transparent);
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.nav__brand { display: flex; align-items: center; gap: 12px; justify-self: start; font-weight: 500; }
.nav__mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 4px;
    background: var(--accent);
    color: var(--on-accent);
    font: 600 .78rem var(--mono);
    letter-spacing: .02em;
    transition: transform .4s var(--ease);
}
.nav__brand:hover .nav__mark { transform: rotate(-6deg) scale(1.05); }
/* Le nom s'efface au défilement : la barre devient plus compacte */
.nav__name {
    max-width: 12em;
    overflow: hidden;
    white-space: nowrap;
    transition: max-width .6s var(--ease), opacity .3s;
}
.nav.is-scrolled .nav__name { max-width: 0; opacity: 0; }

.nav__links {
    position: relative;
    display: flex;
    gap: 2px;
    padding: 4px;
    border-radius: var(--r);
    background: color-mix(in srgb, var(--ink) 4%, transparent);
}
.nav__links a {
    position: relative;
    z-index: 1;
    padding: 7px 14px;
    border-radius: 4px;
    font-size: .9rem;
    color: var(--ink-2);
    transition: color .3s;
}
.nav__links a:hover, .nav__links a[aria-current] { color: var(--ink); }
/* Indicateur qui glisse vers le lien survolé, puis revient sur la section active */
.nav__pill {
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 0;
    width: var(--w, 0);
    transform: translateX(var(--x, 0));
    border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
    border-radius: 4px;
    background: color-mix(in srgb, var(--accent) 16%, transparent);
    opacity: 0;
    pointer-events: none;
    transition: transform .5s var(--ease), width .5s var(--ease), opacity .3s;
}
.nav__pill.is-on { opacity: 1; }

.nav__end { display: flex; align-items: center; gap: 8px; justify-self: end; }
.nav__burger { display: none; font-size: 1.5rem; padding: 6px; }

/* Jauge de lecture : se remplit avec le défilement de la page */
.nav__progress {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 0;
    height: 1px;
    background: var(--accent);
    -webkit-mask: linear-gradient(90deg, transparent, #000 32px);
    mask: linear-gradient(90deg, transparent, #000 32px);
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}
@supports (animation-timeline: scroll()) {
    .nav__progress { animation: progress linear both; animation-timeline: scroll(root); }
}
@keyframes progress { to { transform: scaleX(1); } }

.menu {
    inset: 0;
    width: 100%;
    height: 100dvh;
    max-width: none;
    max-height: none;
    border: 0;
    padding: 24px var(--gutter);
    background: var(--bg);
    color: var(--ink);
}
.menu:popover-open { display: flex; flex-direction: column; }
.menu__close { align-self: flex-end; font-size: 1.6rem; padding: 6px; }
.menu nav { display: grid; gap: 4px; margin-top: 6vh; }
.menu nav a {
    font-size: clamp(2rem, 9vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -.035em;
    padding-block: 6px;
    border-bottom: 1px solid var(--line);
}

@media (max-width: 1100px) {
    .nav__links a { padding-inline: 10px; }
}
@media (max-width: 960px) {
    .nav { top: 8px; left: 12px; right: 12px; height: calc(var(--nav-h) - 8px); }
    .nav__bar { grid-template-columns: 1fr auto; padding-left: 6px; }
    .nav__links, .nav__cv { display: none; }
    .nav__burger { display: block; }
}

/* ---------- Champ de points (canvas) ---------- */

.field {
    position: absolute;
    z-index: -1;
    pointer-events: none;
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    isolation: isolate;
}
.hero .field {
    inset: 0 0 0 auto;
    width: 74%;
    height: 100%;
    -webkit-mask: linear-gradient(90deg, transparent, #000 32%);
    mask: linear-gradient(90deg, transparent, #000 32%);
}
.hero__inner { padding-block: 48px; }
.hero__kicker {
    font: 500 .82rem var(--mono);
    color: var(--ink-2);
    letter-spacing: .04em;
    text-transform: uppercase;
}
.hero__title {
    margin-top: 24px;
    font-size: clamp(4.2rem, 15vw, 14rem);
    font-weight: 600;
    line-height: .86;
    letter-spacing: -.06em;
}
.hero__title > span { display: block; overflow: hidden; padding-bottom: .05em; }
.hero__title > span > span { display: inline-block; }
.hero__title > span:last-child > span { color: var(--accent); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 44px; }

@media (max-width: 860px) {
    .hero { align-items: flex-start; padding-top: calc(var(--nav-h) + 40px); }
    .hero .field {
        inset: auto 0 0;
        width: 100%;
        height: 42%;
        -webkit-mask: linear-gradient(transparent, #000 30%);
        mask: linear-gradient(transparent, #000 30%);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .js .hero__title > span > span { animation: rise 1.2s var(--ease) both; }
    .js .hero__title > span:last-child > span { animation-delay: .09s; }
    .js .hero .tint, .js .hero__kicker, .js .hero__cta { animation: unblur 1.1s var(--ease) both; }
    .js .hero__kicker { animation-delay: .15s; }
    .js .hero__cta { animation-delay: .4s; }
}
@keyframes rise { from { transform: translateY(105%) rotate(3deg); } }
@keyframes unblur { from { opacity: 0; filter: blur(10px); transform: translateY(16px); } }

/* ---------- Apparitions au scroll ----------
   Trois familles, déclenchées par site.js (classe .is-in) :
   - [data-split]        les titres montent mot par mot depuis un masque
   - [data-reveal]       les blocs sortent du flou en remontant
   - [data-reveal-media] les visuels se déplient depuis le centre */

@media (prefers-reduced-motion: no-preference) {
    .js [data-reveal] {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(40px);
        transition: opacity .9s var(--ease), filter .9s var(--ease), transform 1.2s var(--ease);
        transition-delay: calc(var(--i, 0) * 90ms);
    }
    .js [data-reveal].is-in { opacity: 1; filter: none; transform: none; }

    .js [data-split] .w {
        display: inline-block;
        overflow: hidden;
        vertical-align: bottom;
        padding-bottom: .1em;
        margin-bottom: -.1em;
    }
    .js [data-split] .w > span {
        display: inline-block;
        transform: translateY(110%) rotate(5deg);
        transform-origin: 0 100%;
        transition: transform 1.1s var(--ease) calc(var(--wi, 0) * 60ms);
    }
    .js [data-split].is-in .w > span { transform: none; }

    .js [data-reveal-media] {
        clip-path: inset(14% 10% 14% 10% round var(--r));
        transition: clip-path 1.4s var(--ease);
    }
    .js [data-reveal-media] img { transform: scale(1.18); transition: transform 1.6s var(--ease); }
    .js [data-reveal-media].is-in { clip-path: inset(0 0 0 0 round var(--r)); }
    .js [data-reveal-media].is-in img { transform: none; }
}

/* ---------- Parcours : frise en couloirs ---------- */

.path__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px clamp(48px, 8vw, 160px);
    align-items: end;
}
.path__head p { max-width: 52ch; color: var(--ink-2); font-size: 1.12rem; }

.chrono {
    --lab: clamp(120px, 11vw, 180px);
    --axis: 36px;
    position: relative;
    margin-top: clamp(64px, 8vw, 120px);
    padding-top: 44px;
    padding-bottom: var(--axis);
}
.chrono__overlay { position: absolute; inset: 0 0 0 var(--lab); pointer-events: none; }
.chrono__tick { position: absolute; top: 44px; bottom: var(--axis); width: 1px; background: var(--line); }
.chrono__tick > span {
    position: absolute;
    top: calc(100% + 12px);
    transform: translateX(-50%);
    font: .78rem var(--mono);
    color: var(--ink-3);
}
.chrono__today {
    position: absolute;
    left: var(--today);
    top: 0;
    bottom: var(--axis);
    width: 1px;
    background: var(--accent);
    transform-origin: top;
    z-index: 2;
}
.chrono__today > span {
    position: absolute;
    top: -3px;
    right: 12px;
    font: 500 .78rem var(--mono);
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--accent-ink);
    white-space: nowrap;
}
.chrono__today::before {
    content: "";
    position: absolute;
    top: 0;
    left: -4px;
    width: 9px;
    height: 9px;
    background: var(--accent);
}

.chrono__lane {
    display: grid;
    grid-template-columns: var(--lab) minmax(0, 1fr);
    align-items: center;
    padding-block: 14px;
    border-top: 1px solid var(--line);
}
.chrono__lane:last-of-type { border-bottom: 1px solid var(--line); }
.chrono__label { font: 500 .8rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
.chrono__track { position: relative; height: 84px; }

.bar {
    --fill: color-mix(in srgb, var(--ink) 10%, var(--bg));
    --stripe: var(--line-2);
    position: absolute;
    inset-block: 0;
    left: calc(var(--s) + 3px);
    width: calc(var(--w) - 6px);
    display: grid;
    align-content: center;
    gap: 1px;
    padding: 10px 16px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    overflow: hidden;
    /* Partie écoulée pleine, partie à venir hachurée */
    background:
        linear-gradient(90deg, var(--fill) var(--done), transparent var(--done)),
        repeating-linear-gradient(-45deg, var(--stripe) 0 1px, transparent 1px 8px);
    transition: border-color .3s, transform .4s var(--ease);
}
.bar:hover { border-color: var(--ink); transform: translateY(-2px); }
.bar--hot { --fill: var(--accent); --stripe: color-mix(in srgb, var(--accent) 22%, transparent); border-color: var(--accent); }
.bar--open {
    -webkit-mask: linear-gradient(90deg, #000 72%, transparent);
    mask: linear-gradient(90deg, #000 72%, transparent);
}
.bar__org { font: 500 .74rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--accent-ink); }
.bar--hot .bar__dates { color: var(--ink-2); }
.bar__role {
    font-size: clamp(.95rem, 1.15vw, 1.12rem);
    font-weight: 500;
    letter-spacing: -.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bar__dates { font: .74rem var(--mono); color: var(--ink-3); }

@media (prefers-reduced-motion: no-preference) {
    .js .chrono .bar {
        clip-path: inset(0 100% 0 0 round var(--r));
        transition: clip-path 1.2s var(--ease) var(--d), border-color .3s, transform .4s var(--ease);
    }
    .js .chrono.is-in .bar { clip-path: inset(0 0 0 0 round var(--r)); }
    .js .chrono__today { transform: scaleY(0); transition: transform 1s var(--ease) .9s; }
    .js .chrono__today > span { opacity: 0; transition: opacity .6s 1.5s; }
    .js .chrono.is-in .chrono__today { transform: none; }
    .js .chrono.is-in .chrono__today > span { opacity: 1; }
}

/* Version mobile : périodes empilées sur un rail */
.periods { display: none; }

@media (max-width: 900px) {
    .path__head { grid-template-columns: 1fr; }
    .chrono { display: none; }
    .periods {
        display: grid;
        margin-top: 48px;
        margin-left: 4px;
        border-left: 1px solid var(--line-2);
    }
    .period { position: relative; display: grid; gap: 2px; padding: 0 0 36px 24px; }
    .period::before {
        content: "";
        position: absolute;
        left: -5px;
        top: .35em;
        width: 9px;
        height: 9px;
        background: var(--bg);
        border: 1px solid var(--accent);
    }
    .period:last-child::before { background: var(--accent); }
    .period__when { font: 500 .85rem var(--mono); color: var(--accent-ink); }
    .period__title { margin-top: 4px; font-size: 1.3rem; font-weight: 500; letter-spacing: -.02em; line-height: 1.25; }
    .period__org { font: .82rem var(--mono); color: var(--ink-2); }
    .period__note { margin-top: 4px; color: var(--ink-3); }
}

/* ---------- Expertises ----------
   Un seul surligneur (couleur d'accent) glisse d'une ligne à l'autre (site.js),
   pour qu'une seule ligne soit allumée à la fois. */

.skills__list { position: relative; margin-top: clamp(40px, 6vw, 80px); }
.skills__list ul { border-bottom: 1px solid var(--line); }
.skills__list li { position: relative; z-index: 1; }
.skills__hl {
    position: absolute;
    left: -16px;
    right: -16px;
    top: 0;
    height: var(--h, 0);
    transform: translateY(var(--y, 0));
    background: var(--accent);
    border-radius: var(--r);
    opacity: 0;
    pointer-events: none;
    transition: transform .55s var(--ease), height .55s var(--ease), opacity .3s;
}
.skills__hl.is-on { opacity: 1; }

.skill {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, .8fr) 40px;
    gap: 32px;
    align-items: center;
    padding-block: clamp(26px, 3vw, 44px);
    border-top: 1px solid var(--line);
    transition: color .3s .05s, border-color .3s;
}
.skill__name {
    /* Une seule ligne : le texte brouillé au survol ne doit jamais faire sauter la mise en page */
    white-space: nowrap;
    font-size: clamp(1.6rem, 2.9vw, 3rem);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: 1.05;
    transition: transform .55s var(--ease);
}
.skill__desc { color: var(--ink-2); transition: color .3s .05s; }
.skill__stack { font: .82rem/1.5 var(--mono); color: var(--ink-3); transition: color .3s .05s; }
.skill__arrow { font-size: 1.6rem; justify-self: end; transition: transform .55s var(--ease); }

.skill.is-hot { color: var(--on-accent); border-color: transparent; }
.skill.is-hot .skill__desc, .skill.is-hot .skill__stack { color: var(--on-accent); }
.skill.is-hot .skill__name { transform: translateX(14px); }
.skill.is-hot .skill__arrow { transform: translateX(-6px) rotate(-45deg); }
li:has(.skill.is-hot) + li .skill { border-color: transparent; }

@media (max-width: 960px) {
    .skill { grid-template-columns: 1fr 32px; gap: 10px 16px; }
    .skill__arrow { grid-column: 2; grid-row: 1; }
    .skill__desc, .skill__stack { grid-column: 1 / -1; }
}

/* ---------- Cadre navigateur (captures) ---------- */

.browser {
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: var(--bg-2);
    overflow: hidden;
    box-shadow: 0 50px 100px -50px rgb(0 0 0 / .55);
}
.browser__bar {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding-inline: 16px;
    border-bottom: 1px solid var(--line);
    font: .8rem var(--mono);
    color: var(--ink-3);
}
.browser__screen { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.browser__screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* ---------- Fenua Tech ---------- */

.fenua { border-top: 1px solid var(--line); }
.fenua__top {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(48px, 7vw, 140px);
    align-items: center;
}
.fenua__kicker { font: 500 .8rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--accent-ink); }
.fenua__title {
    margin-top: 20px;
    font-size: clamp(3.6rem, 9vw, 9.5rem);
    font-weight: 600;
    line-height: .9;
    letter-spacing: -.06em;
}
.fenua__lede { max-width: 46ch; margin-top: 28px; font-size: clamp(1.05rem, 1.3vw, 1.2rem); color: var(--ink-2); }
.fenua__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 36px; }

.services {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: clamp(72px, 9vw, 128px);
    border-top: 1px solid var(--line);
}
.service {
    padding: clamp(28px, 3vw, 44px) clamp(20px, 2.4vw, 40px) clamp(32px, 3.4vw, 52px);
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
}
.service:nth-child(3n) { border-right: 0; }
.service:nth-child(3n + 1) { padding-left: 0; }
.service i { font-size: 1.9rem; color: var(--accent-ink); transition: transform .5s var(--ease); }
.service h3 { margin-top: 22px; font-size: clamp(1.2rem, 1.6vw, 1.45rem); font-weight: 500; letter-spacing: -.02em; }
.service p { margin-top: 8px; max-width: 36ch; color: var(--ink-2); }
.service:hover i { transform: translateY(-4px) rotate(-8deg); }

@media (max-width: 960px) {
    .fenua__top { grid-template-columns: 1fr; }
    .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service:nth-child(n) { border-right: 1px solid var(--line); padding-left: clamp(20px, 2.4vw, 40px); }
    .service:nth-child(2n) { border-right: 0; }
    .service:nth-child(2n + 1) { padding-left: 0; }
}
@media (max-width: 600px) {
    .services { grid-template-columns: 1fr; }
    .service:nth-child(n) { border-right: 0; padding-left: 0; }
}

/* ---------- Réalisations : vitrine ----------
   La colonne de gauche défile, la capture de droite reste fixe et change
   de projet quand le texte correspondant passe au centre de l'écran. */

.show {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(48px, 6vw, 128px);
    margin-top: clamp(24px, 4vw, 56px);
}
.show__item {
    position: relative;
    min-height: 78vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 14px;
    padding: 48px 0 48px clamp(20px, 2vw, 32px);
    border-left: 1px solid var(--line);
    opacity: .3;
    transition: opacity .5s var(--ease);
}
.show__item::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .7s var(--ease);
}
.show__item.is-active { opacity: 1; }
.show__item.is-active::before { transform: scaleY(1); }
.show__cat { font: 500 .8rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--accent-ink); }
.show__name { font-size: clamp(2.2rem, 4vw, 3.8rem); font-weight: 600; letter-spacing: -.045em; line-height: 1; }
.show__desc { max-width: 50ch; color: var(--ink-2); font-size: 1.08rem; }
.show__meta { font: .82rem var(--mono); color: var(--ink-3); }
.show__item .btn { margin-top: 10px; }
.show__inline { display: none; }

.show__stage {
    position: sticky;
    /* Centrée dans la fenêtre, sous la navigation */
    top: max(calc(var(--nav-h) + 24px), calc(50vh - 36vw * .625 / 2 - 8px));
    align-self: start;
    margin-top: 11vh;
}
.show__screens img {
    position: absolute;
    inset: 0;
    clip-path: inset(100% 0 0 0);
    transform: scale(1.1);
    /* L'ancienne capture reste visible jusqu'à ce que la nouvelle l'ait recouverte */
    transition: clip-path 0s .9s, transform 0s .9s;
}
.show__screens img.is-active {
    z-index: 1;
    clip-path: inset(0 0 0 0);
    transform: none;
    transition: clip-path .9s var(--ease), transform 1.3s var(--ease);
}
.show__index { display: flex; gap: 24px; margin-top: 18px; font: .8rem var(--mono); color: var(--ink-3); }
.show__index li { transition: color .3s; }
.show__index li.is-active { color: var(--ink); }

@media (max-width: 960px) {
    .show { grid-template-columns: 1fr; }
    .show__stage { display: none; }
    .show__item { min-height: 0; opacity: 1; padding: 0 0 72px; border-left: 0; }
    .show__item::before { display: none; }
    .show__inline { display: block; width: 100%; margin-bottom: 12px; }
}

/* ---------- Bandeau d'outils ---------- */

.marquee {
    overflow: hidden;
    border-block: 1px solid var(--line);
    padding-block: clamp(20px, 3vw, 36px);
    -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track { display: flex; width: max-content; }
.marquee__set { display: flex; }
.marquee__set span {
    padding-inline: clamp(20px, 3vw, 48px);
    font-size: clamp(2rem, 5vw, 4.6rem);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: 1.1;
    color: transparent;
    -webkit-text-stroke: 1px var(--ink-3);
    transition: color .3s, -webkit-text-stroke-color .3s;
}
.marquee__set span:hover { color: var(--accent); -webkit-text-stroke-color: var(--accent); }
@media (prefers-reduced-motion: no-preference) {
    .marquee__track { animation: slide 52s linear infinite; }
    .marquee:hover .marquee__track { animation-play-state: paused; }
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- Contact ---------- */

.contact { position: relative; isolation: isolate; overflow: hidden; padding-bottom: clamp(180px, 24vw, 320px); }
.contact .field {
    inset: auto 0 0;
    width: 100%;
    height: 64%;
    -webkit-mask: linear-gradient(transparent, #000 40%);
    mask: linear-gradient(transparent, #000 40%);
}
.contact__inner { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px clamp(48px, 8vw, 160px); align-items: end; }
.contact__title {
    font-size: clamp(2.6rem, 6vw, 5.6rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -.045em;
}
.contact__title em { display: block; font-style: normal; color: var(--accent); }
.contact__links { display: grid; gap: 8px; --i: 1; }
.contact__links a {
    display: grid;
    grid-template-columns: 24px 1fr 20px;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    font-size: 1.05rem;
    transition: border-color .25s;
}
.contact__links i { font-size: 1.25rem; }
.contact__links i:last-child { color: var(--ink-3); transition: transform .4s var(--ease), color .25s; }
.contact__links a:hover { border-color: var(--accent); }
.contact__links a:hover i:last-child { color: var(--accent-ink); transform: translate(2px, -2px); }

@media (max-width: 860px) {
    .contact__inner { grid-template-columns: 1fr; }
}

/* ---------- Pied de page ---------- */

.foot { border-top: 1px solid var(--line); }
.foot__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 32px;
    padding-block: 28px;
    font-size: .9rem;
    color: var(--ink-3);
}
.foot__links { display: flex; gap: 24px; margin-left: auto; }
.foot__links a:hover { color: var(--ink); }
.foot__credit, .foot__credit a { display: flex; align-items: center; gap: 6px; }
.foot__credit a:hover { color: var(--ink); }
.foot__top {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    color: var(--ink);
    transition: border-color .2s, transform .3s var(--ease);
}
.foot__top:hover { border-color: var(--accent); transform: translateY(-2px); }

@media (max-width: 560px) {
    .foot__links { margin-left: 0; order: 3; width: 100%; }
}

/* ==========================================================================
   Pages de domaine (Business Intelligence, Data & IA, Bases de données)
   ========================================================================== */

.case-hero {
    position: relative;
    isolation: isolate;
    padding-top: calc(var(--nav-h) + clamp(48px, 8vw, 112px));
    padding-bottom: clamp(56px, 8vw, 104px);
    overflow: hidden;
}
.case-hero .field {
    inset: 0 0 0 auto;
    width: 60%;
    height: 100%;
    -webkit-mask: linear-gradient(90deg, transparent, #000 40%);
    mask: linear-gradient(90deg, transparent, #000 40%);
}
.case-hero__back { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: .92rem; }
.case-hero__back:hover { color: var(--ink); }
.case-hero__back i { transition: transform .35s var(--ease); }
.case-hero__back:hover i { transform: translateX(-3px); }
.case-hero h1 {
    margin-top: 32px;
    max-width: 14ch;
    font-size: clamp(2.8rem, 7.5vw, 7.4rem);
    font-weight: 600;
    line-height: .95;
    letter-spacing: -.05em;
}
.case-hero__lede { max-width: 52ch; margin-top: 28px; font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--ink-2); }
.case-meta {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}
.case-meta dt { font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--accent-ink); }
.case-meta dd { margin-top: 6px; }

@media (max-width: 860px) {
    .case-hero .field { width: 100%; opacity: .45; }
    .case-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Sections ---------- */

.sec { padding-block: clamp(80px, 10vw, 150px); }
.sec--line { border-top: 1px solid var(--line); }
.sec__title {
    font-size: clamp(2.1rem, 4.4vw, 4.2rem);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -.045em;
}
.sec__head { display: grid; gap: 24px; max-width: 1100px; }
.sec__head p, .split__text p { max-width: 62ch; color: var(--ink-2); font-size: 1.08rem; }
.sec__head a, .split__text p a { color: var(--ink); border-bottom: 1px solid var(--accent); }

.split {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 7vw, 140px);
    align-items: center;
}
.split__text { display: grid; gap: 24px; justify-items: start; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }

/* Phrase manifeste : les mots s'allument au fil du scroll */
.statement {
    font-size: clamp(1.9rem, 4.6vw, 4.6rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -.035em;
    text-wrap: balance;
}
@supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
        .statement { view-timeline-name: --statement; }
        .statement .w {
            animation: lit linear both;
            animation-timeline: --statement;
            animation-range: cover calc(18% + var(--p) * 30%) cover calc(24% + var(--p) * 30%);
        }
    }
}
@keyframes lit { from { color: var(--ink-3); opacity: .35; } }

/* Chiffres clés */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 24px; }
.stat { display: grid; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.stat__n { font-size: clamp(2.4rem, 4.6vw, 4.4rem); font-weight: 600; letter-spacing: -.045em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat:first-child .stat__n { color: var(--accent); }
.stat__label { font: .82rem var(--mono); color: var(--ink-3); }
@media (max-width: 600px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Schéma de flux : des paquets circulent entre les blocs */
.flow {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(40px, .5fr) minmax(0, 1fr) minmax(40px, .5fr) minmax(0, 1fr);
    align-items: center;
    margin-top: clamp(48px, 6vw, 80px);
}
.flow__stack { display: grid; gap: 10px; }
.flow__node {
    display: block;
    padding: 18px 20px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: var(--bg-2);
    font-size: clamp(1.05rem, 1.4vw, 1.3rem);
    font-weight: 500;
    letter-spacing: -.015em;
}
.flow__node small { display: block; margin-top: 4px; font: 400 .76rem var(--mono); letter-spacing: 0; color: var(--ink-3); }
.flow__node--hub { border-color: var(--ink-2); padding-block: 32px; }
.flow__node--hot { background: var(--accent); border-color: var(--accent); color: var(--on-accent); padding-block: 32px; }
.flow__node--hot small { color: var(--on-accent); opacity: .7; }
.flow__link { position: relative; height: 10px; margin-inline: 8px; }
.flow__link::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px dashed var(--line-2); }
.flow__link i { position: absolute; top: 1px; left: 0; width: 8px; height: 8px; background: var(--accent); opacity: 0; }
@media (prefers-reduced-motion: no-preference) {
    .flow__link i { animation: packet 2.4s linear infinite; }
    .flow__link i:nth-child(2) { animation-delay: .8s; }
    .flow__link i:nth-child(3) { animation-delay: 1.6s; }
}
@keyframes packet {
    10% { opacity: 1; }
    90% { opacity: 1; }
    to { left: calc(100% - 8px); opacity: 0; }
}
@media (max-width: 860px) {
    .flow { grid-template-columns: 1fr; justify-items: stretch; }
    .flow__link { width: 10px; height: 48px; margin: 8px auto; }
    .flow__link::before { left: 50%; right: auto; top: 0; bottom: 0; border-top: 0; border-left: 1px dashed var(--line-2); }
    .flow__link i { left: 1px; top: 0; animation-name: packet-y; }
}
@keyframes packet-y {
    10% { opacity: 1; }
    90% { opacity: 1; }
    to { top: calc(100% - 8px); opacity: 0; }
}

/* Démos graphiques (SVG dessiné par site.js) */
.demo {
    padding: clamp(18px, 2.4vw, 32px);
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: var(--bg-2);
}
.demo__chart { display: block; width: 100%; height: auto; margin-top: 16px; overflow: visible; }
.demo__legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; font: .8rem var(--mono); color: var(--ink-2); }
.demo__legend span { display: inline-flex; align-items: center; gap: 8px; }
.demo__legend i { width: 14px; height: 3px; }
.demo__legend .legend-s0 { background: var(--accent); }
.demo__legend .legend-s1 { background: color-mix(in srgb, var(--ink) 62%, var(--bg)); }
.demo__legend .legend-s2 { background: color-mix(in srgb, var(--ink) 30%, var(--bg)); }
.demo__legend .legend-line { background: var(--ink); }
.demo__legend .legend-mean, .demo__legend .legend-dash, .demo__legend .legend-cap { height: 0; border-top: 2px dashed var(--ink-3); }
.demo__legend .legend-dash { border-color: var(--accent); }
.demo__legend .legend-cap { border-color: var(--ink-2); }
.demo__note { margin-top: 12px; font: .75rem var(--mono); color: var(--ink-3); }
.demo__question {
    padding-left: 16px;
    border-left: 2px solid var(--accent);
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -.015em;
}

.seg { display: inline-flex; padding: 3px; border: 1px solid var(--line-2); border-radius: var(--r); }
.seg button { padding: 8px 14px; border-radius: 4px; font-size: .9rem; color: var(--ink-2); transition: background-color .25s, color .25s; }
.seg button:hover { color: var(--ink); }
.seg button.is-on { background: var(--accent); color: var(--on-accent); }

.demo__chart .ax { fill: var(--ink-3); font: 11px var(--mono); }
.demo__chart .gridline { stroke: var(--line); }
.demo__chart .s0 { fill: var(--accent); stroke: var(--accent); }
.demo__chart .s1 { fill: color-mix(in srgb, var(--ink) 62%, var(--bg)); stroke: color-mix(in srgb, var(--ink) 62%, var(--bg)); }
.demo__chart .s2 { fill: color-mix(in srgb, var(--ink) 30%, var(--bg)); stroke: color-mix(in srgb, var(--ink) 30%, var(--bg)); }
.demo__chart path.s0, .demo__chart path.s1, .demo__chart path.s2, .demo__chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.demo__chart .line { stroke: var(--ink); }
.demo__chart .dash { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 5 5; }
.demo__chart .band { fill: color-mix(in srgb, var(--accent) 16%, transparent); stroke: none; }
.demo__chart .mean { stroke: var(--ink-3); stroke-dasharray: 3 4; }
.demo__chart .cap { stroke: var(--ink-2); stroke-dasharray: 8 5; }
.demo__chart .hot { fill: var(--accent); }
.demo__chart .ring { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.demo__chart .note { fill: var(--ink); font: 500 12px var(--sans); }
.demo__chart .note--hot { fill: var(--accent-ink); }
.demo__chart .share { fill: var(--ink); font: 600 22px var(--sans); letter-spacing: -.02em; }

@media (prefers-reduced-motion: no-preference) {
    .demo__chart .grow { transform-box: fill-box; transform-origin: bottom; animation: grow-y .8s var(--ease) both; animation-delay: calc(var(--k, 0) * 22ms); }
    .demo__chart .grow-x { transform-box: fill-box; transform-origin: left; animation: grow-x .9s var(--ease) both; animation-delay: calc(var(--k, 0) * 120ms); }
    .demo__chart .draw { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.3s var(--ease) forwards; animation-delay: calc(var(--k, 0) * 120ms); }
    .demo__chart .appear { animation: appear .7s var(--ease) both; animation-delay: calc(var(--k, 0) * 100ms + .2s); }
}
@keyframes grow-y { from { transform: scaleY(0); } }
@keyframes grow-x { from { transform: scaleX(0); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes appear { from { opacity: 0; transform: translateY(6px); } }

/* Méthode : étapes reliées par un rail qui se remplit au scroll */
.case-block {
    display: grid;
    grid-template-columns: 4fr 8fr;
    gap: clamp(32px, 6vw, 120px);
}
.case-block > h2 { position: sticky; top: calc(var(--nav-h) + 32px); align-self: start; }
@media (max-width: 860px) {
    .case-block { grid-template-columns: 1fr; }
    .case-block > h2 { position: static; }
}

.steps { counter-reset: step; display: grid; }
.step {
    counter-increment: step;
    position: relative;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding-bottom: 44px;
    view-timeline-name: --step;
}
.step::before {
    content: counter(step, decimal-leading-zero);
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    font: 500 .85rem var(--mono);
    color: var(--accent-ink);
    background: var(--bg);
}
.step::after {
    content: "";
    position: absolute;
    left: 24px;
    top: 52px;
    bottom: 4px;
    width: 1px;
    background: linear-gradient(var(--accent), var(--accent)) no-repeat 0 0 / 100% 100%, var(--line);
}
.step:last-child::after { display: none; }
.step h3 { font-size: clamp(1.25rem, 1.8vw, 1.6rem); font-weight: 500; letter-spacing: -.02em; }
.step p { margin-top: 6px; max-width: 56ch; color: var(--ink-2); }
@supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
        .step::after { animation: rail linear both; animation-timeline: --step; animation-range: cover 35% cover 60%; }
    }
}
@keyframes rail { from { background-size: 100% 0, auto; } }

/* Outils et facettes : colonnes séparées par des filets */
.tools, .facets {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 40px 32px;
    margin-top: clamp(40px, 5vw, 72px);
}
.tool, .facet { display: grid; align-content: start; gap: 10px; padding-top: 24px; border-top: 1px solid var(--line-2); }
.tool i, .facet i { font-size: 2rem; color: var(--accent-ink); }
.tool__role { font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); margin-top: 12px; }
.tool h3, .facet h3 { font-size: clamp(1.3rem, 1.8vw, 1.7rem); font-weight: 500; letter-spacing: -.025em; }
.facet h3 { margin-top: 12px; }
.tool p, .facet p { color: var(--ink-2); }
@media (max-width: 1100px) { .tools, .facets { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .tools, .facets { grid-template-columns: 1fr; } }

/* Enseignements : cartes pleines */
.lessons { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(40px, 5vw, 72px); }
.lesson {
    display: grid;
    align-content: start;
    gap: 14px;
    padding: clamp(24px, 3vw, 40px);
    border-radius: var(--r);
    background: var(--bg-2);
    border: 1px solid var(--line);
    transition: border-color .3s;
}
.lesson:hover { border-color: var(--accent); }
.lesson i { font-size: 2.2rem; color: var(--accent-ink); }
.lesson h3 { margin-top: 20px; font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; }
.lesson p { color: var(--ink-2); }
@media (max-width: 960px) { .lessons { grid-template-columns: 1fr; } }

/* Niveaux d'analyse : boutons qui pilotent le graphique */
.levels { display: grid; width: 100%; border-top: 1px solid var(--line); }
.level {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto 0fr;
    column-gap: 16px;
    padding: 16px 0 16px 16px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
    text-align: left;
    transition: border-color .3s, grid-template-rows .5s var(--ease), background-color .3s;
}
.level:hover { background: color-mix(in srgb, var(--ink) 4%, transparent); }
.level__name { font-size: 1.25rem; font-weight: 500; letter-spacing: -.02em; }
.level__q { align-self: center; font: .8rem var(--mono); color: var(--ink-3); }
.level__text { grid-column: 1 / -1; overflow: hidden; color: var(--ink-2); }
.level.is-on { grid-template-rows: auto 1fr; border-left-color: var(--accent); }
.level.is-on .level__q { color: var(--accent-ink); }
.level.is-on .level__text { padding-top: 8px; }

/* Usages de l'IA */
.ai { margin-top: clamp(40px, 5vw, 72px); border-bottom: 1px solid var(--line); }
.ai__row {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 16px 40px;
    align-items: baseline;
    padding-block: clamp(20px, 2.4vw, 32px);
    border-top: 1px solid var(--line);
}
.ai__row strong { font-size: clamp(1.8rem, 3.6vw, 3.4rem); font-weight: 600; letter-spacing: -.045em; line-height: 1; white-space: nowrap; }
.ai__row span { font-size: clamp(1.05rem, 1.4vw, 1.25rem); color: var(--ink-2); }
@media (max-width: 700px) { .ai__row { grid-template-columns: 1fr; } }

/* Formation en alternance */
.school { display: grid; border-left: 1px solid var(--line-2); }
.school li { position: relative; display: grid; gap: 2px; padding: 0 0 32px 28px; }
.school li::before { content: ""; position: absolute; left: -5px; top: .4em; width: 9px; height: 9px; background: var(--bg); border: 1px solid var(--accent); }
.school li.is-now::before { background: var(--accent); }
.school span { font: 500 .85rem var(--mono); color: var(--accent-ink); }
.school strong { font-size: clamp(1.3rem, 2vw, 1.8rem); font-weight: 500; letter-spacing: -.025em; }
.school em { font-style: normal; color: var(--ink-3); }

/* Harmonisation : trois fiches deviennent une */
.merge {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    margin-top: clamp(40px, 5vw, 72px);
}
.merge__sources { display: grid; gap: 12px; }
.record {
    display: grid;
    gap: 8px;
    padding: 18px 20px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    background: var(--bg-2);
    transition: transform .8s var(--ease), opacity .8s var(--ease), border-color .4s;
}
.record__src { font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--accent-ink); }
.record dd { display: grid; grid-template-columns: 110px 1fr; gap: 12px; font: .95rem var(--mono); }
.record dd span { font: .76rem var(--mono); color: var(--ink-3); align-self: center; }
.record--gold { padding-block: 28px; border-color: var(--line-2); }
.record--gold b { font-weight: 500; color: var(--ink-3); transition: color .4s; }
.merge.is-merged .record--gold { border-color: var(--accent); }
.merge.is-merged .record--gold b { color: var(--ink); }
.merge.is-merged .merge__sources .record { opacity: .35; transform: translateX(16px) scale(.97); }
.merge.is-merged .merge__sources .record:nth-child(2) { transition-delay: .08s; }
.merge.is-merged .merge__sources .record:nth-child(3) { transition-delay: .16s; }
@media (max-width: 960px) {
    .merge { grid-template-columns: 1fr; }
    .merge__btn { justify-self: start; }
    .merge.is-merged .merge__sources .record { transform: scale(.97); }
}

/* Comparaison */
.compare { margin-top: clamp(40px, 5vw, 72px); }
.compare__row {
    display: grid;
    grid-template-columns: minmax(120px, 2fr) minmax(0, 5fr) minmax(0, 5fr);
    gap: 24px;
    padding-block: 22px;
    border-bottom: 1px solid var(--line);
}
.compare__row [role="rowheader"] { font-weight: 500; }
.compare__row [role="cell"] { color: var(--ink-2); }
.compare__row--head { padding-block: 0 16px; border-bottom-color: var(--line-2); }
.compare__row--head span { font-size: clamp(1.3rem, 2.2vw, 2rem); font-weight: 600; letter-spacing: -.035em; }
.compare__row--head span:nth-child(2) { color: var(--accent); }
.compare__foot { margin-top: 28px; max-width: 62ch; color: var(--ink-2); }
@media (max-width: 700px) {
    .compare__row { grid-template-columns: 1fr 1fr; gap: 8px 16px; }
    .compare__row [role="rowheader"] { grid-column: 1 / -1; }
    .compare__row--head span:first-child { display: none; }
}

/* Chemin d'une donnée : étapes qui s'allument en séquence */
.zones { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-top: clamp(40px, 5vw, 72px); counter-reset: zone; }
.zone { position: relative; display: grid; gap: 6px; padding-top: 22px; counter-increment: zone; }
.zone::before, .zone::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.zone::before { background: var(--line-2); }
.zone::after { background: var(--accent); transform-origin: left; }
.zone strong { font-size: clamp(1.05rem, 1.4vw, 1.3rem); font-weight: 500; letter-spacing: -.015em; }
.zone span { font-size: .92rem; color: var(--ink-3); }
.zone--hot strong { color: var(--accent-ink); }
@media (prefers-reduced-motion: no-preference) {
    .js .zones .zone::after { transform: scaleX(0); transition: transform .6s var(--ease); }
    .js .zones.is-in .zone::after { transform: none; }
    .js .zones.is-in .zone:nth-child(2)::after { transition-delay: .3s; }
    .js .zones.is-in .zone:nth-child(3)::after { transition-delay: .6s; }
    .js .zones.is-in .zone:nth-child(4)::after { transition-delay: .9s; }
    .js .zones.is-in .zone:nth-child(5)::after { transition-delay: 1.2s; }
    .js .zones.is-in .zone:nth-child(6)::after { transition-delay: 1.5s; }
}
@media (max-width: 1100px) { .zones { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 32px; } }
@media (max-width: 600px) { .zones { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Bloc de code */
.code { border: 1px solid var(--line-2); border-radius: var(--r); background: var(--bg-2); overflow: hidden; }
.code figcaption { padding: 12px 20px; border-bottom: 1px solid var(--line); font: .8rem var(--mono); color: var(--ink-3); }
.code pre { margin: 0; padding: 24px 20px; overflow-x: auto; font: .9rem/1.75 var(--mono); color: var(--ink-2); }
.code .k { color: var(--accent-ink); }
.code .f { color: var(--ink); }
.code .c { color: var(--ink-3); }

/* Navigation entre domaines */
.pagenav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding-block: clamp(64px, 8vw, 120px);
    border-top: 1px solid var(--line);
}
.pagenav__item {
    position: relative;
    display: grid;
    gap: 8px;
    padding: clamp(24px, 3vw, 40px);
    padding-right: 72px;
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    transition: border-color .3s, background-color .3s;
}
.pagenav__label { font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
.pagenav__name { font-size: clamp(1.7rem, 3.2vw, 3rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.05; }
.pagenav__pitch { color: var(--ink-2); }
.pagenav__item i { position: absolute; right: clamp(24px, 3vw, 40px); top: 50%; font-size: 1.8rem; transform: translateY(-50%); transition: transform .45s var(--ease), color .3s; }
.pagenav__item:hover { border-color: var(--accent); background: var(--bg-2); }
.pagenav__item:hover i { color: var(--accent-ink); transform: translate(6px, -50%); }
@media (max-width: 760px) { .pagenav { grid-template-columns: 1fr; } }

/* ---------- Mouvement réduit ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; }
}
