/* =============================================================================
   NOAMER — Feuille de style principale
   Direction artistique : « Deep Ocean Technology »
   Aquaculture • Pêche • Océanographie • Environnement Marin
   ========================================================================== */

/* -----------------------------------------------------------------------------
   1. Tokens de design
   -------------------------------------------------------------------------- */
:root {
    /* Palette issue du logo NOAMER */
    --navy-900: #14243B;   /* sombre complémentaire renforcé */
    --navy-850: #1C314A;
    --navy-800: #223f61;
    --navy-700: #284B74;   /* bleu marine profond */
    --navy-600: #355A84;   /* bleu institutionnel */
    --blue-400: #6BACF8;   /* bleu clair NOAMER */
    --blue-300: #78B4F8;   /* bleu clair secondaire */
    --blue-100: #cfe2fb;
    --ice:      #DCE2E9;   /* gris très clair */
    --paper:    #f5f8fc;
    --white:    #ffffff;
    --text-muted: #AAB8C8;

    /* Rôles sémantiques (thème clair par défaut) */
    --bg:            var(--white);
    --bg-alt:        var(--paper);
    --bg-ice:        var(--ice);
    --surface:       var(--white);
    --ink:           #16283f;
    --ink-soft:      #47576b;
    --ink-faint:     #7c8ba0;
    --line:          #e2e8f1;
    --brand:         var(--navy-700);
    --brand-strong:  var(--navy-600);
    --accent:        var(--blue-400);
    --accent-ink:    #0d2038;

    /* Dégradés */
    --grad-deep:  linear-gradient(135deg, #284B74, #355A84, #6BACF8);
    --grad-night: linear-gradient(160deg, #14243B 0%, #1C314A 45%, #284B74 100%);
    --grad-sheen: linear-gradient(120deg, rgba(107,172,248,0), rgba(107,172,248,.35), rgba(107,172,248,0));

    /* Typographie */
    --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    --font-body:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

    --fs-hero:  clamp(2.7rem, 6.4vw, 6rem);
    --fs-h1:    clamp(2.2rem, 4.6vw, 3.9rem);
    --fs-h2:    clamp(1.9rem, 3.6vw, 3rem);
    --fs-h3:    clamp(1.35rem, 2.1vw, 1.75rem);
    --fs-lead:  clamp(1.06rem, 1.5vw, 1.28rem);
    --fs-body:  1rem;
    --fs-small: .875rem;
    --fs-eyebrow: .78rem;

    /* Rythme */
    --container: 1240px;
    --container-wide: 1440px;
    --gutter: clamp(1.25rem, 5vw, 4rem);
    --section-y: clamp(4.5rem, 10vw, 9rem);

    --radius-sm: 10px;
    --radius:    18px;
    --radius-lg: 28px;
    --radius-xl: 40px;

    --shadow-sm: 0 4px 18px -8px rgba(20, 36, 59, .25);
    --shadow:    0 24px 60px -28px rgba(20, 36, 59, .35);
    --shadow-lg: 0 44px 120px -40px rgba(20, 36, 59, .45);

    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --ease-io:  cubic-bezier(.65, 0, .35, 1);
    --dur: .6s;

    --header-h: 92px;
}

/* -----------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    tab-size: 4;
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.is-locked { overflow: hidden; height: 100vh; height: 100dvh; }

img, svg, video, picture { display: block; max-width: 100%; height: auto; }
img { border-style: none; }

a {
    color: inherit;
    text-decoration: none;
    transition: color .3s var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}
button, [data-cursor="link"] { -webkit-tap-highlight-color: transparent; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -.01em;
    color: var(--ink);
    text-wrap: balance;
}

p { text-wrap: pretty; }

ul, ol { list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

::selection { background: var(--blue-400); color: #08172a; }

:focus-visible {
    outline: 2px solid var(--blue-400);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 1rem;
    z-index: 1000;
    padding: .7rem 1.1rem;
    background: var(--navy-700);
    color: #fff;
    border-radius: 0 0 10px 10px;
    transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 0; }

/* -----------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.container {
    width: min(100% - (var(--gutter) * 2), var(--container));
    margin-inline: auto;
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: 880px; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section--flush-top { padding-top: 0; }

.section--navy {
    background: var(--grad-night);
    color: #eaf1fb;
}
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4 { color: #fff; }
.section--alt { background: var(--bg-alt); }
.section--ice { background: var(--bg-ice); }

.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* En-tête de section réutilisable */
.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-display);
    font-size: var(--fs-eyebrow);
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--brand-strong);
    margin-bottom: 1.1rem;
}
.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: currentColor;
    opacity: .6;
}
.section--navy .eyebrow { color: var(--blue-300); }
.section-head--center .eyebrow::before { display: none; }

.section-title { font-size: var(--fs-h2); margin-bottom: 1.1rem; }
.section-lead { font-size: var(--fs-lead); color: var(--ink-soft); }
.section--navy .section-lead { color: #b9c9de; }

/* -----------------------------------------------------------------------------
   4. Boutons
   -------------------------------------------------------------------------- */
.btn {
    --btn-bg: var(--navy-700);
    --btn-fg: #fff;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    padding: 1rem 1.7rem;
    font-family: var(--font-display);
    font-size: .92rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--btn-fg);
    background: var(--btn-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    isolation: isolate;
    transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), color .35s var(--ease-out);
    will-change: transform;
}
.btn i { transition: transform .4s var(--ease-out); }
.btn::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--grad-deep);
    opacity: 0;
    transition: opacity .4s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
    .btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .btn:hover::after { opacity: 1; }
    .btn:hover i { transform: translateX(4px); }
}
.btn:active { transform: scale(.97); box-shadow: none; }
.btn:active i { transform: translateX(2px); }

.btn--pill { border-radius: 999px; padding-inline: 1.9rem; }
.btn--accent { --btn-bg: var(--blue-400); --btn-fg: #0b1f38; }
.btn--accent::after { background: linear-gradient(135deg, #78B4F8, #6BACF8, #a9d0fc); }
.btn--ghost {
    --btn-bg: transparent;
    --btn-fg: var(--ink);
    border: 1px solid var(--line);
}
.btn--ghost::after { background: var(--navy-700); }
.btn--ghost:hover { --btn-fg: #fff; border-color: transparent; }
.section--navy .btn--ghost { --btn-fg: #fff; border-color: rgba(255,255,255,.25); }
.btn--lg { padding: 1.15rem 2.1rem; font-size: 1rem; }
.btn--block { display: flex; width: 100%; justify-content: center; }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .92rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--brand-strong);
}
.link-arrow i { transition: transform .35s var(--ease-out); }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover i { transform: translateX(6px); }
.section--navy .link-arrow { color: var(--blue-300); }

/* -----------------------------------------------------------------------------
   5. Préchargeur
   -------------------------------------------------------------------------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: var(--navy-900);
    color: var(--blue-300);
    transition: opacity .6s var(--ease-out), visibility .6s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { display: grid; justify-items: center; gap: 1.1rem; }
.preloader__wave { width: 120px; height: 40px; }
.preloader__wave path {
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
    animation: preloaderWave 1.6s var(--ease-io) infinite;
}
.preloader__label {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: .55em;
    font-size: .9rem;
    color: #fff;
    padding-left: .55em;
}
@keyframes preloaderWave {
    0%   { stroke-dashoffset: 320; }
    50%  { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -320; }
}

/* -----------------------------------------------------------------------------
   6. Curseur personnalisé
   -------------------------------------------------------------------------- */
.cursor { position: fixed; top: 0; left: 0; z-index: 9998; pointer-events: none; mix-blend-mode: difference; }
.cursor__dot,
.cursor__ring {
    position: absolute;
    top: 0; left: 0;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.cursor__dot { width: 6px; height: 6px; background: #fff; }
.cursor__ring {
    width: 40px; height: 40px;
    border: 1px solid rgba(255, 255, 255, .7);
    transition: width .3s var(--ease-out), height .3s var(--ease-out), background .3s var(--ease-out), border-color .3s;
}
.cursor.is-hover .cursor__ring { width: 64px; height: 64px; background: rgba(255,255,255,.12); }
.cursor.is-hidden { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* -----------------------------------------------------------------------------
   7. Progression de scroll
   -------------------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    z-index: 999;
    background: var(--grad-deep);
    transition: width .1s linear;
}

/* -----------------------------------------------------------------------------
   8. En-tête flottant
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 900;
    display: flex;
    justify-content: center;
    padding: calc(1.1rem + env(safe-area-inset-top, 0px)) var(--gutter) 1.1rem;
    transition: transform .5s var(--ease-out), background .5s var(--ease-out), backdrop-filter .5s, box-shadow .5s, padding .4s;
}
.site-header__inner {
    width: min(100%, var(--container-wide));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.site-header__logo { width: 150px; height: auto; display: block; transition: filter .4s var(--ease-out); }
/* Logo officiel désormais sur fond transparent : plus de « chip » à rogner. */
.site-header__brand { position: relative; display: block; line-height: 0; }
/* Sur le hero sombre : léger halo pour détacher le logo du décor. */
.site-header--transparent .site-header__logo {
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, .45));
}

/* état par défaut : fond glassmorphism clair */
.site-header {
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    box-shadow: 0 1px 0 rgba(20, 36, 59, .08);
}

/* transparent au-dessus du hero */
.site-header--transparent {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}
.site-header--transparent .site-nav__link,
.site-header--transparent .menu-toggle__line { color: #fff; }
.site-header--transparent .menu-toggle__line { background: #fff; }

/* état « collé » après défilement (ajouté en JS) */
.site-header.is-stuck {
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-sm);
    padding-top: calc(.75rem + env(safe-area-inset-top, 0px));
    padding-bottom: .75rem;
}
.site-header.is-stuck .site-header__logo { filter: none; }
.site-header.is-stuck .site-nav__link,
.site-header.is-stuck .menu-toggle__line { color: var(--ink); }
.site-header.is-stuck .menu-toggle__line { background: var(--ink); }

.site-header.is-hidden { transform: translateY(-115%); }

/* Navigation */
.site-nav__list { display: flex; align-items: center; gap: 2.1rem; }
.site-nav__item { position: relative; }
.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-family: var(--font-display);
    font-size: .92rem;
    font-weight: 500;
    letter-spacing: .01em;
    color: var(--ink);
    padding-block: .4rem;
    transition: color .3s var(--ease-out);
}
.site-nav__link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%;
    height: 1.5px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .4s var(--ease-out);
}
.site-nav__link:hover::after,
.site-nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.site-nav__link:hover { color: var(--brand-strong); }
.site-header--transparent .site-nav__link:hover { color: var(--blue-300); }
.site-nav__caret { font-size: .6rem; transition: transform .3s var(--ease-out); }
.site-nav__item--has-children:hover .site-nav__caret { transform: rotate(180deg); }

.site-nav__submenu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 240px;
    padding: .6rem;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), visibility .3s;
}
.site-nav__item--has-children:hover .site-nav__submenu,
.site-nav__item--has-children:focus-within .site-nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.site-nav__sublink {
    display: block;
    padding: .7rem .9rem;
    border-radius: 10px;
    font-size: .9rem;
    color: var(--ink-soft);
    transition: background .25s, color .25s;
}
.site-nav__sublink:hover,
.site-nav__sublink.is-active { background: var(--paper); color: var(--brand-strong); }

.site-header__actions { display: flex; align-items: center; gap: 1.1rem; }

.menu-toggle {
    display: none;
    width: 46px; height: 46px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.menu-toggle__line {
    width: 24px; height: 2px;
    background: var(--ink);
    transition: transform .4s var(--ease-out), opacity .3s, width .3s, background .4s;
}
.menu-toggle.is-open .menu-toggle__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open .menu-toggle__line:nth-child(2) { opacity: 0; width: 0; }
.menu-toggle.is-open .menu-toggle__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu-toggle:active { transform: scale(.9); }

/* -----------------------------------------------------------------------------
   9. Menu plein écran
   -------------------------------------------------------------------------- */
.fs-menu {
    position: fixed;
    inset: 0;
    z-index: 950;
    visibility: hidden;
    pointer-events: none;
}
.fs-menu.is-open { visibility: visible; pointer-events: auto; }
.fs-menu__bg {
    position: absolute;
    inset: 0;
    background: var(--grad-night);
    clip-path: circle(0% at calc(100% - 60px) 56px);
    transition: clip-path .8s var(--ease-io);
}
.fs-menu.is-open .fs-menu__bg { clip-path: circle(150% at calc(100% - 60px) 56px); }
.fs-menu__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.5), transparent),
        radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.4), transparent),
        radial-gradient(1.5px 1.5px at 40% 80%, rgba(255,255,255,.35), transparent),
        radial-gradient(1px 1px at 85% 20%, rgba(255,255,255,.4), transparent);
    opacity: .6;
}

.fs-menu__inner {
    position: relative;
    height: 100%;
    width: min(100% - 3rem, var(--container));
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1.4fr .8fr;
    align-content: center;
    gap: 3rem;
    padding-top: var(--header-h);
    color: #eaf1fb;
}
.fs-menu__eyebrow {
    font-family: var(--font-display);
    font-size: .72rem;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--blue-300);
    margin-bottom: 1.6rem;
}
.fs-menu__list { display: grid; gap: .35rem; }
.fs-menu__link {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    padding-block: .35rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.9rem, 4.6vw, 3.4rem);
    line-height: 1.1;
    color: #fff;
    transition: color .3s var(--ease-out), transform .4s var(--ease-out);
}
.fs-menu__link:hover { color: var(--blue-300); transform: translateX(12px); }
.fs-menu__link.is-active { color: var(--blue-300); }
.fs-menu__index {
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: .1em;
    color: var(--blue-400);
    opacity: .7;
}
.fs-menu__sublist { margin: .3rem 0 .6rem 3.4rem; display: flex; flex-wrap: wrap; gap: .3rem 1.4rem; }
.fs-menu__sublink { font-size: 1rem; color: #a9c2e0; }
.fs-menu__sublink:hover { color: #fff; }

.fs-menu__col--aside { align-self: center; display: grid; gap: .55rem; align-content: start; }
.fs-menu__contact { font-family: var(--font-display); font-size: 1.05rem; color: #fff; }
.fs-menu__contact:hover { color: var(--blue-300); }
.fs-menu__address { color: #a9c2e0; margin-bottom: .4rem; }
.fs-menu__social { display: flex; gap: 1rem; margin-block: 1rem 1.6rem; font-size: 1.1rem; }
.fs-menu__social a:hover { color: var(--blue-300); }
.fs-menu__cta { align-self: start; }

/* -----------------------------------------------------------------------------
   10. Hero (accueil)
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    padding: calc(var(--header-h) + 3rem) var(--gutter) clamp(3rem, 7vw, 6rem);
    overflow: hidden;
    color: #fff;
    isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media video,
.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.08);
}
.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(180deg, rgba(20,36,59,.55) 0%, rgba(20,36,59,.25) 35%, rgba(20,36,59,.85) 100%),
        linear-gradient(105deg, rgba(28,49,74,.75) 0%, rgba(28,49,74,0) 60%);
}
.hero__grid-lines {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(107,172,248,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107,172,248,.08) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
}
.hero__inner { width: min(100%, var(--container-wide)); margin-inline: auto; }
.hero__eyebrow {
    font-family: var(--font-display);
    font-size: .8rem;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--blue-300);
    margin-bottom: 1.6rem;
    display: flex;
    align-items: center;
    gap: .8rem;
}
.hero__eyebrow::before { content: ""; width: 46px; height: 1px; background: var(--blue-300); }
.hero__title {
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.02em;
    color: #fff;
    max-width: 16ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__subtitle {
    margin-top: 1.6rem;
    font-family: var(--font-display);
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    font-weight: 500;
    letter-spacing: .06em;
    color: var(--blue-100);
}
.hero__text {
    margin-top: 1.4rem;
    max-width: 52ch;
    font-size: var(--fs-lead);
    color: rgba(255, 255, 255, .82);
}
.hero__actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__scroll {
    position: absolute;
    left: 50%;
    bottom: 1.8rem;
    transform: translateX(-50%);
    display: grid;
    justify-items: center;
    gap: .6rem;
    font-family: var(--font-display);
    font-size: .68rem;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .7);
}
.hero__scroll-line { width: 1px; height: 46px; background: rgba(255, 255, 255, .4); position: relative; overflow: hidden; }
.hero__scroll-line::after {
    content: "";
    position: absolute;
    top: -50%; left: 0;
    width: 100%; height: 50%;
    background: #fff;
    animation: scrollPulse 2s var(--ease-io) infinite;
}
@keyframes scrollPulse {
    0%   { top: -50%; }
    80%, 100% { top: 100%; }
}

/* Particules (léger, généré en JS via canvas) */
.hero__particles { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

/* -----------------------------------------------------------------------------
   11. Hero de page intérieure
   -------------------------------------------------------------------------- */
.page-hero {
    position: relative;
    padding: calc(var(--header-h) + clamp(3.5rem, 9vw, 7rem)) var(--gutter) clamp(3rem, 7vw, 5.5rem);
    overflow: hidden;
    color: #fff;
    isolation: isolate;
    background: var(--grad-night);
}
.page-hero__media { position: absolute; inset: 0; z-index: -2; opacity: .38; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(20,36,59,.4), rgba(20,36,59,.9));
}
.page-hero__inner { width: min(100%, var(--container)); margin-inline: auto; }
.page-hero__title { font-size: var(--fs-h1); color: #fff; max-width: 18ch; }
.page-hero__lead { margin-top: 1.3rem; max-width: 60ch; font-size: var(--fs-lead); color: rgba(255,255,255,.82); }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-size: .82rem; letter-spacing: .04em; color: rgba(255,255,255,.65); margin-bottom: 1.6rem; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .5; }
.breadcrumb [aria-current] { color: var(--blue-300); }

/* -----------------------------------------------------------------------------
   12. Section éditoriale (À propos, split image/texte)
   -------------------------------------------------------------------------- */
.editorial { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.editorial--reverse .editorial__media { order: 2; }
.editorial__media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.editorial__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transform: scale(1.12); }
.editorial__media--wide img { aspect-ratio: 3 / 4; }
.editorial__badge {
    position: absolute;
    left: 1.5rem;
    bottom: 1.5rem;
    padding: .8rem 1.2rem;
    background: rgba(255, 255, 255, .16);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #fff;
}
.editorial__body p + p { margin-top: 1.1rem; color: var(--ink-soft); }
.editorial__body .btn { margin-top: 2rem; }
.editorial__list { margin-top: 1.8rem; display: grid; gap: .9rem; }
.editorial__list li { display: flex; gap: .8rem; align-items: flex-start; color: var(--ink-soft); }
.editorial__list i { color: var(--accent); margin-top: .3rem; }

/* -----------------------------------------------------------------------------
   13. Chiffres clés
   -------------------------------------------------------------------------- */
.stats { position: relative; overflow: hidden; }
.stats__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: .5;
    color: rgba(107, 172, 248, .25);
}
.stats__bg svg { width: 100%; height: 100%; }
.stats__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
}
.stat { text-align: center; padding: 1rem; border-left: 1px solid rgba(255, 255, 255, .12); }
.stat:first-child { border-left: 0; }
.stat__value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.8rem, 6vw, 4.6rem);
    line-height: 1;
    background: linear-gradient(180deg, #fff, var(--blue-300));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat__label {
    margin-top: .8rem;
    font-family: var(--font-display);
    font-size: .82rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #b9c9de;
}

/* Coordonnées marines décoratives */
.coord-tag {
    position: absolute;
    font-family: var(--font-display);
    font-size: .7rem;
    letter-spacing: .1em;
    color: rgba(107, 172, 248, .5);
    z-index: 1;
}

/* -----------------------------------------------------------------------------
   14. Cartes domaines
   -------------------------------------------------------------------------- */
.domain-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); }
.domain-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 460px;
    padding: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: #fff;
    isolation: isolate;
}
.domain-card__media { position: absolute; inset: 0; z-index: -2; }
.domain-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.domain-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(20,36,59,.25) 0%, rgba(28,49,74,.55) 45%, rgba(20,36,59,.94) 100%);
    transition: background .5s var(--ease-out);
}
.domain-card:hover .domain-card__media img { transform: scale(1.08); }
.domain-card:hover::after { background: linear-gradient(180deg, rgba(40,75,116,.35) 0%, rgba(28,49,74,.6) 40%, rgba(20,36,59,.96) 100%); }
.domain-card__num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 4.5rem;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, .4);
    transition: transform .5s var(--ease-out);
}
.domain-card__icon {
    margin-top: auto;
    width: 52px; height: 52px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .2);
    font-size: 1.2rem;
    color: var(--blue-300);
}
.domain-card__title { font-size: var(--fs-h3); margin-top: 1rem; color: #fff; transition: transform .5s var(--ease-out); }
.domain-card__desc { margin-top: .7rem; font-size: .95rem; color: rgba(255, 255, 255, .82); }
.domain-card__link { margin-top: 1.4rem; }
.domain-card__rule { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--grad-deep); transform: scaleX(0); transform-origin: left; transition: transform .55s var(--ease-out); }
.domain-card:hover .domain-card__rule { transform: scaleX(1); }
.domain-card:hover .domain-card__title,
.domain-card:hover .domain-card__num { transform: translateY(-4px); }

/* -----------------------------------------------------------------------------
   15. Timeline horizontale (démarche projet)
   -------------------------------------------------------------------------- */
.process { position: relative; overflow: hidden; }
.process__track { position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.process__line {
    position: absolute;
    top: 34px;
    left: 0;
    height: 2px;
    width: 100%;
    background: var(--line);
}
.process__line-fill { position: absolute; inset: 0; width: 0%; background: var(--grad-deep); }
.process__step { position: relative; padding-top: 76px; }
.process__dot {
    position: absolute;
    top: 24px;
    left: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--brand-strong);
    display: grid;
    place-items: center;
}
.process__dot::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-strong); transform: scale(.4); opacity: 0; transition: transform .4s var(--ease-out), opacity .4s var(--ease-out); }
.process__step.is-active .process__dot::after { transform: scale(1); opacity: 1; }
.process__num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 3rem;
    color: transparent;
    -webkit-text-stroke: 1.4px var(--blue-400);
    line-height: 1;
}
.process__step-title { font-size: var(--fs-h3); margin: .7rem 0 .6rem; }
.process__step-desc { font-size: .93rem; color: var(--ink-soft); }
.section--navy .process__line { background: rgba(255,255,255,.15); }
.section--navy .process__dot { background: var(--navy-850); border-color: var(--blue-400); }
.section--navy .process__dot::after { background: var(--blue-400); }
.section--navy .process__step-desc { color: #b9c9de; }

/* -----------------------------------------------------------------------------
   16. Portfolio projets
   -------------------------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2.6rem; }
.filter-btn {
    padding: .6rem 1.15rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    font-family: var(--font-display);
    font-size: .84rem;
    font-weight: 500;
    letter-spacing: .02em;
    color: var(--ink-soft);
    transition: border-color .2s var(--ease-out), color .2s var(--ease-out), background .2s var(--ease-out), transform .15s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
    .filter-btn:hover { border-color: var(--brand); color: var(--brand); }
}
.filter-btn:active { transform: scale(.96); }
.filter-btn.is-active { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); }
.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out), opacity .4s, filter .4s;
}
.project-card.is-hidden { display: none; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card__media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease-out); }
.project-card:hover .project-card__media img { transform: scale(1.07); }
.project-card__overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, rgba(40,75,116,.1), rgba(20,36,59,.82));
    opacity: 0;
    transition: opacity .45s var(--ease-out);
}
.project-card:hover .project-card__overlay { opacity: 1; }
.project-card__overlay .btn { transform: translateY(12px); transition: transform .45s var(--ease-out); }
.project-card:hover .project-card__overlay .btn { transform: translateY(0); }
.project-card__body { padding: 1.5rem 1.6rem 1.8rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.project-card__cat {
    font-family: var(--font-display);
    font-size: .72rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--brand-strong);
}
.project-card__title { font-size: 1.2rem; }
.project-card__meta { font-size: .85rem; color: var(--ink-faint); display: flex; gap: .5rem; align-items: center; }
.project-card__excerpt { font-size: .92rem; color: var(--ink-soft); margin-top: .3rem; }

/* Détail projet */
.project-detail__hero-meta { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 1.4rem; font-size: .9rem; color: rgba(255,255,255,.8); }
.project-detail__hero-meta span { display: inline-flex; align-items: center; gap: .5rem; }
.project-detail__layout { display: grid; grid-template-columns: 1fr 320px; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.project-detail__body p { margin-bottom: 1.1rem; color: var(--ink-soft); font-size: 1.05rem; }
.facts-card { padding: 1.8rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); position: sticky; top: calc(var(--header-h) + 1rem); }
.facts-card dt { font-family: var(--font-display); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); margin-top: 1.1rem; }
.facts-card dt:first-child { margin-top: 0; }
.facts-card dd { font-size: .95rem; color: var(--ink); }

/* -----------------------------------------------------------------------------
   17. Timeline fondateur (verticale premium)
   -------------------------------------------------------------------------- */
.founder-hero { display: grid; grid-template-columns: 340px 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.founder-hero__portrait { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.founder-hero__portrait img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.founder-hero__name { font-size: var(--fs-h1); color: #fff; }
.founder-hero__role { margin-top: .6rem; font-family: var(--font-display); letter-spacing: .1em; text-transform: uppercase; font-size: .82rem; color: var(--blue-300); }
.founder-hero__intro { margin-top: 1.4rem; font-size: var(--fs-lead); color: rgba(255,255,255,.82); max-width: 56ch; }

.vtimeline { position: relative; margin-top: 1rem; padding-left: 2rem; }
.vtimeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.vtimeline__fill { position: absolute; left: 5px; top: 6px; width: 2px; height: 0; background: var(--grad-deep); }
.vtimeline__item { position: relative; padding: 0 0 2.4rem; }
.vtimeline__item::before {
    content: "";
    position: absolute;
    left: -2rem;
    top: 4px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--brand-strong);
    transform: translateX(0);
}
.vtimeline__year { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--brand-strong); }
.vtimeline__title { font-size: 1.15rem; margin: .3rem 0 .4rem; }
.vtimeline__desc { color: var(--ink-soft); font-size: .95rem; }

.pillar-card {
    padding: 2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pillar-card__icon {
    width: 54px; height: 54px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    background: var(--grad-deep);
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
}
.pillar-card h3 { font-size: var(--fs-h3); margin-bottom: .6rem; }
.pillar-card p { color: var(--ink-soft); font-size: .95rem; }

/* -----------------------------------------------------------------------------
   18. Partenaires (marquee)
   -------------------------------------------------------------------------- */
.marquee { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 4rem; width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
    display: grid;
    place-items: center;
    height: 72px;
    flex: 0 0 auto;
}
.marquee__item img {
    max-height: 52px;
    width: auto;
    filter: grayscale(1) brightness(.4);
    opacity: .55;
    transition: filter .4s var(--ease-out), opacity .4s, transform .4s var(--ease-out);
}
.section--navy .marquee__item img { filter: grayscale(1) brightness(0) invert(1); opacity: .5; }
.marquee__item img:hover { filter: none; opacity: 1; transform: scale(1.06); }
@keyframes marquee {
    to { transform: translateX(-50%); }
}
.partners-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.partners-grid__cell { background: var(--surface); display: grid; place-items: center; padding: 2.2rem 1.5rem; min-height: 150px; }
.partners-grid__cell img { max-height: 60px; width: auto; filter: grayscale(1); opacity: .6; transition: filter .4s var(--ease-out), opacity .4s var(--ease-out); }
.partners-grid__cell:hover img { filter: none; opacity: 1; transform: scale(1.05); }

/* -----------------------------------------------------------------------------
   19. Open Science — bibliothèque
   -------------------------------------------------------------------------- */
.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 1.8rem); }
.lib-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), border-color .4s;
}
.lib-card.is-hidden { display: none; }
.lib-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--blue-300); }
.lib-card__top { display: flex; align-items: center; justify-content: space-between; }
.lib-card__type {
    font-family: var(--font-display);
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    padding: .35rem .7rem;
    border-radius: 999px;
    background: var(--paper);
    color: var(--brand-strong);
}
.lib-card__type[data-type="publication"] { background: #e8f1fe; color: #2a5fa8; }
.lib-card__type[data-type="etude"]       { background: #e6f5ee; color: #227a53; }
.lib-card__type[data-type="rapport"]     { background: #fdefe6; color: #b45a24; }
.lib-card__type[data-type="recherche"]   { background: #efe9fb; color: #6a4bb0; }
.lib-card__year { font-family: var(--font-display); font-weight: 600; color: var(--ink-faint); }
.lib-card__title { font-size: 1.18rem; }
.lib-card__meta { font-size: .82rem; color: var(--ink-faint); letter-spacing: .02em; }
.lib-card__excerpt { font-size: .92rem; color: var(--ink-soft); flex: 1; }
.lib-card__cta { margin-top: .4rem; }

/* -----------------------------------------------------------------------------
   20. Contact
   -------------------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.contact-aside__title { font-size: var(--fs-h2); }
.contact-aside__lead { margin-top: 1rem; color: var(--ink-soft); font-size: var(--fs-lead); }
.contact-info { margin-top: 2.4rem; display: grid; gap: 1.3rem; }
.contact-info__item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info__item i {
    width: 44px; height: 44px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--paper);
    color: var(--brand-strong);
}
.contact-info__item h3 { font-size: .95rem; font-family: var(--font-display); }
.contact-info__item a, .contact-info__item p { color: var(--ink-soft); font-size: .95rem; }

.contact-map { margin-top: 2.4rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16 / 10; }
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.3) contrast(1.05); }

.form-card { padding: clamp(1.8rem, 4vw, 2.8rem); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-field { position: relative; margin-bottom: 1.2rem; }
.form-field label {
    display: block;
    font-family: var(--font-display);
    font-size: .78rem;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: .5rem;
}
.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: .95rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--bg-alt);
    transition: border-color .3s, box-shadow .3s, background .3s;
}
.form-field textarea { min-height: 150px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--blue-400);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(107, 172, 248, .18);
    outline: none;
}
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea { border-color: #d9534f; box-shadow: 0 0 0 4px rgba(217, 83, 79, .12); }
.form-field .error-msg { display: none; margin-top: .4rem; font-size: .8rem; color: #d9534f; }
.form-field.has-error .error-msg { display: block; }

.form-consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .85rem; color: var(--ink-soft); margin-bottom: 1.4rem; }
.form-consent input { margin-top: .25rem; }

.form-feedback { padding: 1rem 1.2rem; border-radius: var(--radius-sm); font-size: .92rem; margin-bottom: 1.2rem; display: none; }
.form-feedback.is-visible { display: block; }
.form-feedback--success { background: #e6f5ee; color: #1c7a4f; border: 1px solid #b7e2cc; }
.form-feedback--error { background: #fdECEA; color: #b23b36; border: 1px solid #f3c6c2; }

.btn.is-loading { pointer-events: none; opacity: .7; }
.btn.is-loading i { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* -----------------------------------------------------------------------------
   21. Blocs génériques
   -------------------------------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.2rem, 2.5vw, 1.8rem); }
.feature {
    padding: 1.8rem;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--surface);
    transition: transform .4s var(--ease-out), box-shadow .4s;
}
.feature:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature__icon { font-size: 1.4rem; color: var(--brand-strong); margin-bottom: .9rem; }
.feature h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.feature p { font-size: .9rem; color: var(--ink-soft); }
.section--navy .feature { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.12); }
.section--navy .feature p { color: #b9c9de; }
.section--navy .feature__icon { color: var(--blue-300); }

.checklist { display: grid; gap: 1rem; }
.checklist li { display: flex; gap: .9rem; align-items: flex-start; padding: 1.1rem 1.3rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.checklist li i { color: var(--accent); margin-top: .25rem; }
.checklist li strong { display: block; font-family: var(--font-display); font-size: .98rem; }
.checklist li span { font-size: .9rem; color: var(--ink-soft); }

.split-media { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split-media__img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.split-media__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transform: scale(1.1); }

/* CTA bandeau */
.cta-band { position: relative; overflow: hidden; text-align: center; }
.cta-band__inner { position: relative; z-index: 1; max-width: 720px; margin-inline: auto; }
.cta-band__title { font-size: var(--fs-h2); color: #fff; }
.cta-band__text { margin-top: 1rem; color: #b9c9de; font-size: var(--fs-lead); }
.cta-band .btn { margin-top: 2rem; }
.cta-band__lines { position: absolute; inset: 0; z-index: 0; opacity: .4; color: rgba(107,172,248,.4); }

/* Visualisation océanique décorative */
.ocean-viz { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.ocean-viz svg { position: absolute; opacity: .5; }
.ocean-viz circle, .ocean-viz path, .ocean-viz line { stroke: rgba(107, 172, 248, .35); fill: none; }

/* Glass card générique */
.glass {
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius-lg);
}

/* Divider carte marine */
.map-divider { height: 120px; position: relative; overflow: hidden; }
.map-divider svg { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--line); }

/* -----------------------------------------------------------------------------
   22. Pied de page
   -------------------------------------------------------------------------- */
.site-footer {
    position: relative;
    background: var(--navy-900);
    color: #b9c9de;
    padding-top: clamp(3.5rem, 7vw, 6rem);
    overflow: hidden;
    isolation: isolate;
}
.site-footer::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(1200px 400px at 15% -10%, rgba(53, 90, 132, .45), transparent 70%),
        radial-gradient(900px 500px at 100% 120%, rgba(40, 75, 116, .4), transparent 70%);
}
.site-footer__lines {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 320px;
    z-index: -1;
    color: rgba(107, 172, 248, .12);
    pointer-events: none;
}
.site-footer__lines svg { width: 100%; height: 100%; }

.site-footer__inner {
    width: min(100% - (var(--gutter) * 2), var(--container));
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1.3fr 2fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    padding-bottom: clamp(3rem, 6vw, 4.5rem);
}

.site-footer__brand img {
    width: 360px;
    max-width: 100%;
    height: auto;
    margin-bottom: 1.4rem;
}
.site-footer__tagline {
    font-size: .95rem;
    line-height: 1.7;
    color: #9fb2ca;
    max-width: 42ch;
}
.site-footer__social {
    display: flex;
    gap: .8rem;
    margin-top: 1.6rem;
}
.site-footer__social a {
    width: 42px; height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .15);
    color: #cddcf0;
    font-size: 1rem;
    transition: background .3s var(--ease-out), border-color .3s, color .3s, transform .3s var(--ease-out);
}
.site-footer__social a:hover {
    background: var(--blue-400);
    border-color: var(--blue-400);
    color: #0b1f38;
    transform: translateY(-3px);
}

.site-footer__nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
}
.site-footer__group h3 {
    font-family: var(--font-display);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.1rem;
}
.site-footer__group ul { display: grid; gap: .6rem; }
.site-footer__group a,
.site-footer__group span {
    font-size: .9rem;
    color: #9fb2ca;
    transition: color .3s var(--ease-out);
}
.site-footer__group a:hover { color: #fff; }
.site-footer__group--news p { font-size: .88rem; color: #9fb2ca; margin-bottom: 1rem; }

.footer-news {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    padding: .3rem .3rem .3rem 1rem;
    max-width: 260px;
}
.footer-news input {
    flex: 1;
    min-width: 0;
    background: none;
    border: 0;
    color: #fff;
    font-size: .85rem;
    padding: .55rem 0;
}
.footer-news input::placeholder { color: #7f92ac; }
.footer-news input:focus { outline: none; }
.footer-news button {
    flex: 0 0 auto;
    width: 38px; height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--blue-400);
    color: #0b1f38;
    transition: background .3s var(--ease-out), transform .3s var(--ease-out);
}
.footer-news button:hover { background: #fff; transform: scale(1.05); }

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 1.6rem var(--gutter);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    max-width: var(--container);
    margin-inline: auto;
}
.site-footer__bottom p {
    font-size: .82rem;
    color: #7f92ac;
}

/* Utilitaires */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.stack > * + * { margin-top: 1.1rem; }
.muted { color: var(--ink-faint); }
.no-js .reveal { opacity: 1 !important; transform: none !important; }

/* -----------------------------------------------------------------------------
   Écrans tactiles : neutraliser les effets de survol qui « collent »
   Sans souris, l'état :hover reste actif après un tap jusqu'au tap suivant.
   -------------------------------------------------------------------------- */
@media (hover: none), (pointer: coarse) {
    .link-arrow:hover i,
    .fs-menu__link:hover,
    .domain-card:hover .domain-card__media img,
    .domain-card:hover .domain-card__rule,
    .domain-card:hover .domain-card__num,
    .domain-card:hover .domain-card__title,
    .project-card:hover,
    .project-card:hover .project-card__media img,
    .project-card:hover .project-card__overlay .btn,
    .pillar-card:hover,
    .marquee__item img:hover,
    .partners-grid__cell:hover img,
    .lib-card:hover,
    .feature:hover,
    .footer-news button:hover {
        transform: none;
    }
    .project-card:hover { box-shadow: none; }
    .pillar-card:hover,
    .feature:hover { box-shadow: none; }
    .lib-card:hover { box-shadow: none; border-color: var(--line); }
}

/* =============================================================================
 * FAQ — accordéon (foire aux questions)
 * ========================================================================== */
.faq__list {
    max-width: 820px;
    margin: 3rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq__item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0 1.6rem;
    transition: border-color .25s ease, box-shadow .25s ease;
}
.faq__item[open] {
    border-color: var(--accent);
    box-shadow: 0 10px 30px -18px rgba(20, 36, 59, .35);
}
.faq__q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    cursor: pointer;
    list-style: none;
    padding: 1.35rem 0;
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-weight: 600;
    font-size: 1.075rem;
    color: var(--ink);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--brand-strong); }
.faq__icon {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--paper);
    color: var(--brand);
    font-size: .8rem;
    transition: transform .3s ease, background .25s ease, color .25s ease;
}
.faq__item[open] .faq__icon {
    transform: rotate(45deg);
    background: var(--accent);
    color: var(--accent-ink);
}
.faq__a {
    padding: 0 0 1.5rem;
    color: var(--ink-soft);
    line-height: 1.7;
    max-width: 68ch;
}
.faq__a p { margin: 0; }

/* =============================================================================
 * Fondateur — biographie
 * ========================================================================== */
.founder-bio {
    max-width: 760px;
    margin: 2.5rem auto 0;
}
.founder-bio p {
    color: var(--ink-soft);
    line-height: 1.8;
    font-size: 1.05rem;
    margin: 0 0 1.15rem;
}
.founder-bio__tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin: 1.75rem 0 0;
    padding: 0;
}
.founder-bio__tags li {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: .82rem;
    font-weight: 500;
    color: var(--brand-strong);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .4rem .9rem;
}

/* Pied de page — liens secondaires (identité) */
.site-footer__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem .75rem;
    justify-content: center;
}
.site-footer__meta a {
    color: inherit;
    opacity: .8;
    text-decoration: none;
    transition: opacity .2s ease;
}
.site-footer__meta a:hover { opacity: 1; text-decoration: underline; }
.site-footer__meta span { opacity: .4; }