/* ============================================================
   S1AP.NET — Sur Un Arbre Perchés
   Palette fidèle au bandeau d'origine :
   ciel bleu dégradé · vert lime · séparateurs rouges · blanc
   ============================================================ */

/* ---------- Variables ---------- */
:root {
    --c-sky-900: #0a3f78;
    --c-sky-800: #12508f;
    --c-sky-700: #1c63ad;
    --c-sky-500: #4d94d1;
    --c-sky-300: #8fc0e8;
    --c-sky-100: #dbeafb;
    --c-sky-50:  #eef6fc;

    --c-lime-800: #4e7d18;
    --c-lime-700: #5d941f;
    --c-lime-600: #6fae2e;
    --c-lime-500: #8dc63f;
    --c-lime-100: #f0f8e0;

    --c-red: #cc2311;

    --c-grass: #57b54c;

    --c-ink: #1e2a33;
    --c-muted: #55677a;
    --c-line: #d4e4f2;
    --c-white: #ffffff;
    --c-error: #b3362b;
    --c-success: #2e7d32;

    --f-display: "Playfair Display", Georgia, serif;
    --f-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 8px;

    --shadow-sm: 0 2px 10px rgba(10, 63, 120, .10);
    --shadow-md: 0 10px 30px rgba(10, 63, 120, .16);
    --shadow-lg: 0 24px 60px rgba(10, 63, 120, .25);

    --container: 1180px;
    --nav-h: 58px;

    --ease-out: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--f-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--c-ink);
    background: var(--c-sky-50);
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
    font-family: var(--f-display);
    line-height: 1.15;
    color: var(--c-sky-900);
    margin: 0 0 .6em;
    letter-spacing: -.01em;
}

h1 { font-size: clamp(2rem, 1.2rem + 3.4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.1rem + 2.1vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; }

a { color: var(--c-sky-700); text-decoration: none; }
a:hover, a:focus-visible { color: var(--c-lime-700); }

ul { padding-left: 1.15rem; }

:focus-visible {
    outline: 3px solid var(--c-lime-500);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    width: min(100% - 2.5rem, var(--container));
    margin-inline: auto;
}

.sr-only {
    position: absolute; width: 1px; height: 1px;
    margin: -1px; padding: 0; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Barre de progression ---------- */
.scroll-progress {
    position: fixed; inset: 0 auto auto 0;
    height: 4px; width: 0%;
    background: linear-gradient(90deg, var(--c-lime-500), var(--c-sky-500));
    z-index: 1200;
}

/* ---------- Bandeau cookies ---------- */
.cookie-banner {
    position: fixed; left: 50%; bottom: 1rem; transform: translate(-50%, 150%);
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    max-width: min(92vw, 620px);
    background: var(--c-sky-900); color: var(--c-sky-50);
    padding: .85rem 1.1rem; border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); z-index: 1100;
    transition: transform .5s var(--ease-out);
}
.cookie-banner.is-visible { transform: translate(-50%, 0); }
.cookie-banner p { margin: 0; font-size: .88rem; }
.cookie-banner a { color: var(--c-lime-500); }

/* ============================================================
   MASTHEAD — bannière ciel bleu (fidelity to the original banner)
   ============================================================ */
.masthead {
    position: relative;
    background: linear-gradient(180deg,
        var(--c-sky-700) 0%,
        var(--c-sky-500) 38%,
        var(--c-sky-300) 62%,
        #d9ecfa 82%,
        #eaf5fd 100%);
    overflow: hidden;
}

.masthead-sky { position: absolute; inset: 0; pointer-events: none; }
.masthead-sky .cloud {
    position: absolute; border-radius: 999px;
    background: rgba(255, 255, 255, .32);
    filter: blur(14px);
}
.cloud--1 { width: 260px; height: 46px; top: 12%; left: 30%; animation: drift 26s linear infinite alternate; }
.cloud--2 { width: 180px; height: 34px; top: 26%; left: 55%; animation: drift 34s linear infinite alternate-reverse; }

@keyframes drift {
    from { transform: translateX(-30px); }
    to   { transform: translateX(40px); }
}

.masthead-sky .grass {
    position: absolute; left: -5%; right: 30%; bottom: -18px; height: 90px;
    background:
        radial-gradient(120px 70px at 12% 100%, var(--c-grass) 55%, transparent 56%),
        radial-gradient(90px 60px at 30% 108%, #4ea843 55%, transparent 56%),
        radial-gradient(140px 80px at 55% 112%, var(--c-grass) 55%, transparent 56%),
        radial-gradient(100px 66px at 78% 106%, #63c159 55%, transparent 56%);
    opacity: .9;
    transform: rotate(4deg);
}

.masthead-inner {
    position: relative;
    display: flex; align-items: center; gap: 1.5rem;
    padding: clamp(1rem, 3vw, 1.8rem) 0 clamp(.6rem, 2vw, 1.2rem);
}

.logo img { width: min(92%, 460px); height: auto; }

.masthead-camera {
    margin-left: auto;
    width: min(38vw, 380px);
    filter: drop-shadow(0 14px 18px rgba(10, 63, 120, .35));
    transform: rotate(-3deg);
}

.masthead-rss {
    position: absolute; right: .4rem; bottom: .3rem;
    width: 44px; height: 44px; display: grid; place-items: center;
    border-radius: 10px;
    background: linear-gradient(135deg, #ff9a3d, #f26a21);
    color: var(--c-white); font-size: 1.15rem;
    box-shadow: var(--shadow-md);
    transition: transform .25s var(--ease-out);
}
.masthead-rss:hover { transform: translateY(-3px); color: var(--c-white); }

/* --- Navigation blanche à séparateurs rouges --- */
.nav-shell {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, .8);
    box-shadow: 0 4px 18px rgba(10, 63, 120, .12);
}

.site-nav { position: relative; }

.site-nav ul {
    display: flex; align-items: center; justify-content: center;
    list-style: none; margin: 0; padding: 0;
    min-height: var(--nav-h);
}
.site-nav li { display: flex; align-items: center; }

/* Séparateurs rouges " | " comme sur le bandeau d'origine */
.site-nav li:not(.is-last):not(.nav-cta-li)::after {
    content: "|";
    color: var(--c-red);
    font-weight: 700;
    margin: 0 .55rem;
    opacity: .85;
}

.site-nav a:not(.nav-cta) {
    display: inline-block; padding: .5rem .85rem;
    border-radius: 999px; font-size: .95rem; font-weight: 600;
    color: var(--c-ink);
}
.site-nav a:not(.nav-cta):hover { background: var(--c-sky-100); color: var(--c-sky-800); }
.site-nav a.is-active:not(.nav-cta) {
    background: var(--c-lime-100);
    color: var(--c-lime-800);
    box-shadow: inset 0 -3px 0 var(--c-lime-500);
}

.nav-cta {
    margin-left: .8rem;
    display: inline-flex; align-items: center;
    padding: .6rem 1.15rem; border-radius: 999px;
    font-size: .88rem; font-weight: 700;
    background: linear-gradient(135deg, var(--c-lime-500), var(--c-lime-700));
    color: var(--c-white);
    box-shadow: 0 6px 16px rgba(109, 172, 46, .4);
    transition: transform .25s var(--ease-out);
}
.nav-cta:hover { transform: translateY(-2px); color: var(--c-white); }

/* Burger */
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: 0; padding: .6rem; cursor: pointer;
    position: absolute; right: .4rem; top: 50%; transform: translateY(-50%);
}
.nav-toggle span {
    width: 26px; height: 3px; border-radius: 3px;
    background: var(--c-sky-800);
    transition: transform .3s var(--ease-out), opacity .3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* --- Bande tagline "Association Sur Un Arbre Perchés / Diffusions…" --- */
.tagline-shell {
    background: linear-gradient(180deg, #ffffff, var(--c-sky-50));
    border-bottom: 3px solid var(--c-lime-500);
}
.tagline {
    display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline;
    gap: .35rem 1.1rem; text-align: center;
    padding: .9rem 0 1rem; margin: 0;
}
.tagline-asso {
    font-family: var(--f-display); font-style: italic; font-weight: 700;
    font-size: clamp(1.15rem, .9rem + 1.1vw, 1.7rem);
    color: var(--c-lime-700);
    text-shadow: 1px 1px 0 rgba(255, 255, 255, .8);
}
.tagline-slogan {
    font-weight: 800; font-size: clamp(.95rem, .8rem + .7vw, 1.25rem);
    color: var(--c-ink);
}

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .8rem 1.4rem; border-radius: 999px;
    font: 600 .95rem/1 var(--f-body);
    border: 2px solid transparent; cursor: pointer;
    transition: transform .25s var(--ease-out), box-shadow .25s, background .25s, color .25s;
    text-decoration: none;
}
.btn:active { transform: scale(.97); }
.btn-primary {
    background: linear-gradient(135deg, var(--c-lime-500), var(--c-lime-700));
    color: var(--c-white);
    box-shadow: 0 8px 22px rgba(109, 172, 46, .42);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(109, 172, 46, .55); color: var(--c-white); }
.btn-ghost {
    background: rgba(255, 255, 255, .12); color: var(--c-sky-900);
    border-color: rgba(10, 63, 120, .35);
}
.btn-ghost:hover { background: var(--c-white); color: var(--c-sky-900); }
.btn-invert {
    background: var(--c-white); color: var(--c-sky-900);
    box-shadow: var(--shadow-md);
}
.btn-invert:hover { transform: translateY(-2px); color: var(--c-sky-900); }
.btn-sm { padding: .55rem 1rem; font-size: .85rem; }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.05rem; }

/* ============================================================
   HERO — continuité du ciel bleu
   ============================================================ */
.hero {
    position: relative; overflow: hidden;
    background:
        radial-gradient(1000px 480px at 82% -12%, rgba(255, 255, 255, .55), transparent 60%),
        radial-gradient(820px 560px at -12% 115%, rgba(141, 198, 63, .38), transparent 62%),
        linear-gradient(170deg, var(--c-sky-100) 0%, var(--c-sky-50) 55%, #e6f4e2 100%);
    padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(4rem, 8vw, 7rem);
}

.hero-inner {
    display: grid; grid-template-columns: 1.15fr .85fr;
    gap: clamp(2rem, 5vw, 4rem); align-items: center;
}

.hero-kicker {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    color: var(--c-sky-800);
    border: 1px solid rgba(28, 99, 173, .3);
    background: rgba(255, 255, 255, .75);
    padding: .45rem .95rem; border-radius: 999px;
    margin-bottom: 1.2rem;
}
.hero-kicker i { color: var(--c-lime-600); }

.hero-accent {
    background: linear-gradient(120deg, var(--c-lime-600), var(--c-sky-700));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

.hero-lede { color: var(--c-muted); font-size: 1.1rem; max-width: 34rem; }
.hero-lede strong { color: var(--c-sky-800); }

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

.hero-stats {
    display: grid; grid-template-columns: repeat(4, auto);
    gap: clamp(1rem, 3vw, 2.4rem);
    list-style: none; margin: 2.4rem 0 0; padding: 1.4rem 0 0;
    border-top: 1px solid rgba(10, 63, 120, .15);
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong {
    font-family: var(--f-display); font-size: clamp(1.4rem, 1rem + 1.4vw, 2rem);
    color: var(--c-sky-700);
}
.hero-stats span { font-size: .78rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: .05em; }

/* Visuel hero */
.hero-frame {
    position: relative; border-radius: var(--radius-lg);
    background: linear-gradient(150deg, #ffffff, var(--c-sky-100));
    border: 1px solid var(--c-line);
    padding: clamp(1rem, 3vw, 2rem);
    box-shadow: var(--shadow-lg);
    transform: rotate(1.2deg);
}
.hero-frame img { border-radius: var(--radius-md); width: 100%; }
.hero-badge {
    position: absolute; left: -6px; bottom: 18px;
    display: inline-flex; align-items: center; gap: .5rem;
    background: var(--c-white); color: var(--c-sky-900);
    font-size: .82rem; font-weight: 700;
    padding: .55rem .95rem; border-radius: 999px;
    box-shadow: var(--shadow-md); transform: rotate(-1.2deg);
}
.hero-badge i { color: var(--c-lime-600); }
.hero-caption {
    margin-top: 1rem; font-size: .88rem; font-style: italic;
    color: var(--c-muted);
}
.hero-caption i { color: var(--c-lime-600); margin-right: .35rem; }

/* Éléments décoratifs flottants */
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-leaf {
    position: absolute; color: rgba(141, 198, 63, .4);
    animation: floaty 9s ease-in-out infinite;
}
.hero-leaf--1 { top: 12%; left: 4%; font-size: 2.2rem; animation-delay: 0s; }
.hero-leaf--2 { top: 68%; left: 8%; font-size: 1.6rem; animation-delay: 1.4s; }
.hero-leaf--3 { top: 16%; right: 6%; font-size: 2rem; animation-delay: .8s; }
.hero-leaf--4 { top: 78%; right: 12%; font-size: 2.4rem; animation-delay: 2.1s; }
.hero-leaf--5 { top: 44%; right: 40%; font-size: 1.4rem; animation-delay: 3s; color: rgba(77, 148, 209, .4); }

@keyframes floaty {
    0%, 100% { transform: translateY(0) rotate(-4deg); }
    50% { transform: translateY(-18px) rotate(6deg); }
}

.hero-scroll {
    position: absolute; left: 50%; bottom: 1.1rem; transform: translateX(-50%);
    width: 42px; height: 42px; display: grid; place-items: center;
    border-radius: 50%; color: var(--c-sky-800);
    border: 1px solid rgba(10, 63, 120, .3);
    background: rgba(255, 255, 255, .7);
    animation: bounce 2.2s infinite;
}
.hero-scroll:hover { color: var(--c-lime-700); border-color: var(--c-lime-600); }

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(7px); }
}

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }

.section-head { max-width: 44rem; margin: 0 auto clamp(2rem, 5vw, 3.5rem); text-align: center; }
.section-head .section-lede { color: var(--c-muted); font-size: 1.05rem; }
.section-kicker {
    display: inline-block; font-size: .78rem; font-weight: 700;
    letter-spacing: .16em; text-transform: uppercase;
    color: var(--c-lime-700); margin-bottom: .7rem;
}
.section-kicker::before {
    content: ""; display: inline-block; width: 26px; height: 2px;
    background: var(--c-lime-500); margin-right: .6rem;
    vertical-align: middle; border-radius: 2px;
}
.section-lede { color: var(--c-muted); }

/* ---------- À propos ---------- */
.section--about { background: var(--c-white); border-block: 1px solid var(--c-line); }

.about-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 2.5vw, 1.8rem);
}
.card {
    background: var(--c-sky-50); border: 1px solid var(--c-line);
    border-radius: var(--radius-lg); padding: 1.8rem 1.6rem;
    transition: transform .3s var(--ease-out), box-shadow .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-icon {
    width: 52px; height: 52px; display: grid; place-items: center;
    border-radius: 14px; font-size: 1.35rem; margin-bottom: 1.1rem;
    background: linear-gradient(135deg, var(--c-sky-100), #eaf5fd);
    color: var(--c-sky-700);
}
.card--accent { border-top: 4px solid var(--c-lime-500); }
.card h3 { margin-bottom: .5rem; }
.card p { margin: 0; font-size: .95rem; color: var(--c-muted); }

/* ---------- Interventions ---------- */
.section--interventions {
    background:
        radial-gradient(700px 380px at 110% 0%, rgba(141, 198, 63, .16), transparent 60%),
        var(--c-sky-50);
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2.2rem); }

.split-card {
    position: relative; overflow: hidden;
    background: var(--c-white); border: 1px solid var(--c-line);
    border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.4rem);
    box-shadow: var(--shadow-sm);
    transition: transform .3s var(--ease-out), box-shadow .3s;
}
.split-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.split-card::before {
    content: ""; position: absolute; inset: 0 auto 0 0; width: 6px;
    background: linear-gradient(180deg, var(--c-sky-700), var(--c-lime-500));
}
.split-card-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.split-num {
    font-family: var(--f-display); font-size: 2.4rem; line-height: 1;
    color: transparent; -webkit-text-stroke: 1.5px var(--c-sky-700);
}
.split-card h3 { margin: 0; }
.split-card h3 i { color: var(--c-sky-700); margin-right: .4rem; }
.split-card p { color: var(--c-muted); font-size: .96rem; }
.split-note {
    display: flex; gap: .6rem; align-items: baseline;
    background: var(--c-lime-100); border-radius: var(--radius-sm);
    padding: .7rem .9rem; font-size: .88rem !important; color: var(--c-ink) !important;
}
.split-note i { color: var(--c-lime-700); }
.split-tags {
    display: flex; flex-wrap: wrap; gap: .5rem;
    list-style: none; margin: 1rem 0 0; padding: 0;
}
.split-tags li {
    font-size: .78rem; font-weight: 700;
    background: var(--c-sky-100); color: var(--c-sky-800);
    padding: .35rem .8rem; border-radius: 999px;
}

/* ---------- Expérience ---------- */
.section--experience {
    background:
        radial-gradient(800px 420px at -10% 100%, rgba(77, 148, 209, .18), transparent 60%),
        var(--c-white);
    border-top: 1px solid var(--c-line);
}

.exp-tabs-controls {
    display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.exp-tab {
    display: inline-flex; align-items: center; gap: .5rem;
    font: 700 .88rem var(--f-body); color: var(--c-sky-800);
    background: var(--c-white); border: 1px solid var(--c-line);
    padding: .65rem 1.1rem; border-radius: 999px; cursor: pointer;
    transition: background .25s, color .25s, transform .25s var(--ease-out);
}
.exp-tab:hover { transform: translateY(-2px); border-color: var(--c-sky-500); }
.exp-tab.is-active {
    background: var(--c-sky-700); color: var(--c-white);
    border-color: var(--c-sky-700); box-shadow: var(--shadow-sm);
}
.exp-tab.is-active i { color: var(--c-lime-500); }

.exp-panel {
    display: none;
    background: var(--c-sky-50); border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: clamp(1.4rem, 3.5vw, 2.6rem);
    box-shadow: var(--shadow-sm);
}
.exp-panel.is-active { display: block; animation: panelIn .45s var(--ease-out); }

@keyframes panelIn {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.exp-panel > h3 { margin-bottom: .8rem; }
.exp-panel p { color: var(--c-muted); }
.exp-panel ul { color: var(--c-muted); font-size: .95rem; }
.exp-panel ul li { margin-bottom: .45rem; }
.exp-panel ul li strong { color: var(--c-ink); }

.exp-cols {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem; margin: 1.4rem 0;
}
.exp-cols h4 i { color: var(--c-lime-600); margin-right: .35rem; }
.exp-cols ul { padding-left: 1.05rem; font-size: .9rem; }

.exp-callout {
    background: linear-gradient(135deg, var(--c-sky-800), var(--c-sky-700));
    color: var(--c-sky-50); border-radius: var(--radius-md);
    padding: 1.3rem 1.5rem; margin-top: 1rem;
}
.exp-callout h4 { color: var(--c-lime-500); }
.exp-callout h4 i { margin-right: .35rem; }
.exp-callout p { margin: 0; color: rgba(238, 246, 252, .92); font-size: .93rem; }

.inst-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.inst-card {
    background: var(--c-white); border: 1px solid var(--c-line);
    border-radius: var(--radius-md); padding: 1.1rem 1.2rem;
    transition: transform .25s var(--ease-out), box-shadow .25s;
}
.inst-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.inst-card i { color: var(--c-sky-700); font-size: 1.15rem; margin-bottom: .5rem; }
.inst-card strong { display: block; color: var(--c-sky-900); margin-bottom: .3rem; }
.inst-card span { font-size: .85rem; color: var(--c-muted); }

/* ---------- Page hero (contact) ---------- */
.page-hero {
    background:
        radial-gradient(900px 420px at 90% -20%, rgba(255, 255, 255, .35), transparent 60%),
        linear-gradient(150deg, var(--c-sky-700), var(--c-sky-900));
    color: var(--c-sky-50);
    padding: clamp(3rem, 7vw, 5rem) 0;
    text-align: center;
}
.page-hero h1 { color: var(--c-white); }
.page-hero .section-kicker { color: var(--c-lime-500); }
.page-hero .section-kicker::before { background: var(--c-lime-500); }
.page-hero .section-lede { color: rgba(238, 246, 252, .88); max-width: 38rem; margin-inline: auto; }

/* ---------- Bandeau CTA ---------- */
.cta-band {
    background:
        radial-gradient(600px 300px at 12% 120%, rgba(141, 198, 63, .35), transparent 60%),
        linear-gradient(120deg, var(--c-sky-700), var(--c-sky-900));
    color: var(--c-sky-50);
    padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.cta-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 2rem; flex-wrap: wrap;
}
.cta-inner h2 { color: var(--c-white); margin-bottom: .4rem; }
.cta-inner p { color: rgba(238, 246, 252, .88); margin: 0; max-width: 40rem; }

/* ---------- Formulaire contact ---------- */
.contact-grid {
    display: grid; grid-template-columns: .85fr 1.15fr;
    gap: clamp(1.5rem, 4vw, 3rem); align-items: start;
}

.info-block { margin-bottom: 1.6rem; }
.info-block h2 { font-size: 1.1rem; }
.info-block h2 i { color: var(--c-lime-600); margin-right: .45rem; }
.info-block p { color: var(--c-muted); margin: 0; }

.info-map {
    position: relative; margin-top: 1rem;
    background:
        radial-gradient(240px 140px at 30% 100%, rgba(141, 198, 63, .35), transparent),
        linear-gradient(180deg, var(--c-sky-100), #e8f4e4);
    border: 1px dashed var(--c-sky-500);
    border-radius: var(--radius-md);
    min-height: 170px; display: grid; place-items: center;
    overflow: hidden;
}
.map-tree { font-size: 3.4rem; color: var(--c-lime-700); }
.map-pin {
    position: absolute; top: 22%; left: 58%;
    font-size: 1.6rem; color: var(--c-red);
    animation: bounce2 2.4s infinite;
}
@keyframes bounce2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(7px); }
}
.map-label {
    position: absolute; bottom: .8rem; left: 0; right: 0; text-align: center;
    font-size: .8rem; font-weight: 700; color: var(--c-sky-800);
    letter-spacing: .06em; text-transform: uppercase;
}

.contact-form-wrap {
    background: var(--c-white); border: 1px solid var(--c-line);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
    padding: clamp(1.4rem, 3.5vw, 2.4rem);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { margin-bottom: 1.1rem; }
.form-field label {
    display: block; font-size: .85rem; font-weight: 700;
    color: var(--c-sky-900); margin-bottom: .4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
    width: 100%; font: 400 .95rem var(--f-body); color: var(--c-ink);
    background: var(--c-sky-50); border: 1.5px solid var(--c-line);
    border-radius: var(--radius-sm); padding: .8rem .95rem;
    transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none; border-color: var(--c-sky-500);
    box-shadow: 0 0 0 4px rgba(77, 148, 209, .18);
}
.form-field textarea { resize: vertical; min-height: 140px; }

.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-legal { font-size: .78rem; color: var(--c-muted); margin-bottom: 1rem; }

/* Alertes */
.alert {
    display: flex; gap: .7rem; align-items: flex-start;
    border-radius: var(--radius-md); padding: 1rem 1.2rem;
    margin-bottom: 1.4rem; font-size: .93rem;
}
.alert ul { margin: 0; padding-left: 1.1rem; }
.alert-success { background: #e9f6df; border: 1px solid #a9d58a; color: var(--c-success); }
.alert-error { background: #fbeae8; border: 1px solid #e6aca5; color: var(--c-error); }
.alert i { margin-top: .15rem; }

/* ============================================================
   FOOTER — bleu nuit + touches lime
   ============================================================ */
.site-footer {
    background:
        radial-gradient(700px 320px at 88% 0%, rgba(77, 148, 209, .28), transparent 60%),
        var(--c-sky-900);
    color: rgba(238, 246, 252, .82);
    font-size: .92rem;
}
.footer-grid {
    display: grid; grid-template-columns: 1.4fr .8fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(2.5rem, 6vw, 4rem) 0 2.5rem;
}
.site-footer h3 {
    color: var(--c-white); font-size: 1rem; margin-bottom: 1rem;
    font-family: var(--f-body); font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.footer-logo img { width: 240px; margin-bottom: 1rem; }
.footer-brand p { color: rgba(238, 246, 252, .68); margin-top: .4rem; max-width: 30rem; }

.footer-links ul { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: .5rem; }
.footer-links a { color: rgba(238, 246, 252, .82); }
.footer-links a:hover { color: var(--c-lime-500); }

.footer-contact p { margin-bottom: .8rem; }
.footer-contact i { color: var(--c-lime-500); margin-right: .4rem; }
.footer-contact a { color: rgba(238, 246, 252, .82); }
.footer-contact a:hover { color: var(--c-lime-500); }

.footer-social { display: flex; gap: .7rem; margin-top: .4rem; }
.footer-social a {
    width: 38px; height: 38px; display: grid; place-items: center;
    border-radius: 50%; border: 1px solid rgba(238, 246, 252, .3);
    color: rgba(238, 246, 252, .82);
    transition: background .25s, color .25s, transform .25s;
}
.footer-social a:hover {
    background: var(--c-lime-500); color: var(--c-sky-900);
    border-color: var(--c-lime-500); transform: translateY(-3px);
}

.footer-bottom { border-top: 1px solid rgba(238, 246, 252, .14); }
.footer-bottom-inner {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
    padding: 1.1rem 0; font-size: .82rem; color: rgba(238, 246, 252, .55);
}
.footer-bottom-inner p { margin: 0; }
.footer-legal a { color: rgba(238, 246, 252, .55); }
.footer-legal a:hover { color: var(--c-lime-500); }

/* ---------- Ancres ---------- */
section[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

/* ---------- Réduire les animations ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
    [data-aos] { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .masthead-camera { width: min(44vw, 320px); }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-media { order: -1; max-width: 520px; margin-inline: auto; }
    .about-grid { grid-template-columns: 1fr 1fr; }
    .exp-cols, .inst-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .info-map { display: none; }
}

@media (max-width: 760px) {
    .masthead-camera { display: none; }
    .masthead-rss { top: .4rem; bottom: auto; }
    .logo img { width: min(88vw, 340px); }

    .nav-toggle { display: flex; }
    .site-nav ul {
        position: fixed; inset: auto 0 0 0; z-index: 999;
        flex-direction: column; align-items: stretch; gap: .15rem;
        background: var(--c-white);
        border-top: 3px solid var(--c-lime-500);
        box-shadow: 0 -10px 30px rgba(10, 63, 120, .25);
        padding: 1rem 1.4rem 1.6rem;
        max-height: calc(100dvh - var(--nav-h));
        overflow: auto;
        transform: translateY(110%);
        transition: transform .4s var(--ease-out);
    }
    .site-nav.is-open ul { transform: translateY(0); }
    .site-nav li { display: block; }
    .site-nav li:not(.is-last):not(.nav-cta-li)::after { display: none; }
    .site-nav a:not(.nav-cta) { padding: .85rem 1rem; font-size: 1rem; }
    .nav-cta { margin: .8rem 0 0; justify-content: center; display: flex; }

    .split, .about-grid, .exp-cols, .inst-grid, .form-row { grid-template-columns: 1fr; }

    .hero-stats { grid-template-columns: 1fr 1fr; }
    .cta-inner { flex-direction: column; align-items: flex-start; }

    .footer-grid { grid-template-columns: 1fr; padding-bottom: 1.5rem; }
    .footer-bottom-inner { justify-content: center; text-align: center; }

    .hero-scroll { display: none; }
    .exp-tab { font-size: .8rem; padding: .55rem .9rem; }
}

@media (max-width: 420px) {
    .hero-actions .btn { width: 100%; justify-content: center; }
    .tagline { padding: .7rem 0 .8rem; }
}

/* ---------- Print ---------- */
@media print {
    .masthead-camera, .masthead-sky, .masthead-rss, .hero-bg, .cookie-banner,
    .scroll-progress, .hero-scroll, .cta-band, .nav-toggle, .nav-cta-li { display: none !important; }
    body { background: #fff; color: #000; }
    .masthead { background: #fff; }
    .hero { background: none; }
}