/* ADN — Design lumière. Les images sont relatives à assets/css/ : ../images/. */
:root {
  --orange: #f58220;
  --amber: #ffbd69;
  --ink: #171715;
  --muted: #68645f;
  --cream: #faf7f2;
  --line: #e4ddd3;
  --container: 1240px;
  --nav-height: 88px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 18px); }
body { font-family: "Segoe UI", Arial, sans-serif; color: var(--ink); background: var(--cream); line-height: 1.65; padding-top: var(--nav-height); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }
button:disabled { cursor: wait; opacity: .6; }
[hidden] { display: none !important; }
::selection { background: #f58220; color: #171715; }
:focus-visible { outline: 3px solid #d5660b; outline-offset: 5px; }
h1, h2, h3 { font-weight: 750; line-height: 1.13; letter-spacing: -.045em; text-wrap: balance; }
p { text-wrap: pretty; }
.adn-skip-link { position: fixed; top: -100px; left: 20px; z-index: 1100; padding: 12px 20px; background: white; border-radius: 10px; }
.adn-skip-link:focus { top: 12px; }
.adn-navbar-container, .hero-content, .hero-bottom, .adn-tabs-wrapper, .adn-projects-container, .adn-volunteer-container, .adn-contact-container, .adn-footer-container { width: min(calc(100% - 96px), var(--container)); margin-inline: auto; }

/* Navigation noire translucide, filet lumineux au défilement. */
.adn-navbar { position: fixed; top: 0; inset-inline: 0; z-index: 100; background: rgba(15,15,15,.96); color: #fff; border-bottom: 1px solid #ffffff14; transition: box-shadow .3s, background .3s; }
@supports (backdrop-filter: blur(16px)) { .adn-navbar { background: rgba(15,15,15,.88); backdrop-filter: blur(16px); } }
.adn-navbar.is-scrolled { background: rgba(12,12,12,.97); box-shadow: 0 8px 35px #0003, 0 1px 0 #f582204d; }
.adn-navbar-container { min-height: var(--nav-height); display: flex; align-items: center; gap: 28px; }
.adn-navbar-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.adn-navbar-logo img { width: 52px; height: 52px; object-fit: contain; }
.adn-brand-name { font-size: 24px; font-weight: 800; line-height: 1; letter-spacing: .04em; }
.adn-brand-name small { display: block; margin-top: 7px; font-size: 10px; letter-spacing: .03em; font-weight: 400; color: #bdbab5; }
.adn-navbar-menu { margin-left: auto; list-style: none; display: flex; align-items: center; gap: 24px; }
.adn-navbar-link { position: relative; display: block; padding-block: 12px; color: #d2cec8; font-size: 13px; font-weight: 600; text-decoration: none; transition: color .2s; }
.adn-navbar-link::after { content: ""; position: absolute; bottom: 5px; left: 0; width: 18px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.adn-navbar-link:hover, .adn-navbar-link[aria-current] { color: #fff; }
.adn-navbar-link:hover::after, .adn-navbar-link[aria-current]::after { transform: scaleX(1); }
.adn-navbar-actions { display: flex; align-items: center; gap: 10px; }
.adn-navbar-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 15px; border: 1px solid #ffffff35; border-radius: 8px; text-decoration: none; font-size: 10px; letter-spacing: .045em; font-weight: 800; transition: transform .25s, border-color .25s; }
.adn-navbar-btn-donate { background: linear-gradient(120deg, var(--orange), var(--amber)); border-color: transparent; color: #24170a; }
.adn-navbar-btn:hover { transform: translateY(-2px); border-color: var(--orange); }
.adn-navbar-toggle { display: none; width: 44px; height: 44px; padding: 12px 9px; border: 1px solid #ffffff35; border-radius: 8px; background: transparent; }
.adn-navbar-toggle span { display: block; height: 2px; margin: 4px 0; background: white; transition: transform .25s, opacity .25s; }
.adn-navbar-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.adn-navbar-toggle.active span:nth-child(2) { opacity: 0; }
.adn-navbar-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Une entrée éditoriale, avec photo, halo ambre et anneaux de lumière. */
.hero-adn { position: relative; isolation: isolate; overflow: hidden; min-height: 760px; min-height: min(900px, calc(100svh - var(--nav-height))); background: #111; color: white; display: flex; flex-direction: column; justify-content: center; padding: 88px 0 118px; }
.hero-bg { position: absolute; z-index: -4; inset: -25px; background: url("../images/adn-hero.jpeg") center right / cover no-repeat; opacity: .48; transform: translate3d(var(--hero-x, 0px), var(--hero-y, 0px), 0) scale(1.04); transition: transform .6s ease-out; }
.hero-orange-overlay { position: absolute; inset: 0; z-index: -3; background: linear-gradient(90deg, #111 3%, #111e 33%, #1116 70%, #1118), linear-gradient(0deg, #111 0%, transparent 40%), radial-gradient(ellipse at 85% 28%, #f582205e, transparent 62%); }
.hero-adn::before { content: ""; position: absolute; z-index: -2; width: 680px; height: 680px; right: -200px; top: -280px; background: radial-gradient(circle, #f582203d, transparent 66%); animation: halo-drift 12s ease-in-out infinite alternate; pointer-events: none; }
.hero-adn::after { content: ""; position: absolute; bottom: 0; inset-inline: 0; height: 1px; background: linear-gradient(90deg, transparent, #ffb966, transparent); box-shadow: 0 -5px 40px 6px #ed8a292b; }
.hero-orbit { position: absolute; z-index: -1; width: 650px; aspect-ratio: 1; right: -130px; top: 2%; border: 1px solid #f4af6740; border-radius: 50%; box-shadow: 0 0 80px #f5822012, inset 0 0 70px #f5822010; pointer-events: none; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; inset: 45px; border: 1px solid #f4af671c; border-radius: 50%; }
.hero-orbit::after { inset: 92px; }
.hero-mask-wrap { position: absolute; right: 3%; width: 36%; top: 16%; bottom: 15%; z-index: -2; opacity: .14; pointer-events: none; }
.hero-mask-image { width: 100%; height: 100%; background: url("../images/ndjili-map.png") center / contain no-repeat; filter: grayscale(1); }
.hero-content { position: relative; z-index: 1; }
.hero-kicker, .adn-tab-kicker, .adn-projects-kicker, .adn-volunteer-kicker, .adn-contact-kicker { font-size: 11px; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; margin-bottom: 22px; color: #a94e09; }
.hero-kicker { color: #ffc784; display: flex; align-items: center; gap: 12px; }
.hero-kicker::before { content: ""; width: 25px; height: 1px; background: currentColor; flex-shrink: 0; }
.hero-content h1 { max-width: 810px; width: 69%; font-size: clamp(40px, 4.65vw, 68px); line-height: 1.08; margin-bottom: 26px; }
.hero-content h1 span { color: #ffb260; background: linear-gradient(110deg, #f98a33, #ffdb9f); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-text { max-width: 620px; width: 58%; font-size: 16px; line-height: 1.85; color: #ccc7c0; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn, .adn-tab-cta, .adn-projects-cta, .adn-volunteer-btn, .adn-contact-submit { min-height: 52px; padding: 14px 24px; display: inline-flex; justify-content: center; align-items: center; gap: 22px; width: fit-content; border-radius: 9px; border: 1px solid transparent; font-size: 13px; font-weight: 750; text-decoration: none; transition: transform .3s var(--ease), box-shadow .3s, background .3s; }
.btn-primary, .adn-tab-cta, .adn-projects-cta, .adn-volunteer-btn, .adn-contact-submit { color: #26180b; background: linear-gradient(115deg, #f58220, #ffb85f); box-shadow: 0 6px 24px #f5822026; }
.btn-primary::after, .adn-tab-cta::after, .adn-projects-cta::after { content: "↗"; font-size: 19px; font-weight: 400; }
.btn-secondary { background: #ffffff05; color: #eee9e3; border-color: #ffffff40; }
.btn:hover, .adn-tab-cta:hover, .adn-projects-cta:hover, .adn-contact-submit:hover { transform: translateY(-3px); box-shadow: 0 10px 30px #e7853033; }
.hero-signature { position: absolute; right: max(48px, calc((100% - var(--container)) / 2)); top: 35%; width: 250px; transform: rotate(-4deg); border-left: 1px solid #fdb9735c; padding: 22px 0 22px 24px; }
.hero-signature > span { color: #e2bd93; font-size: 9px; letter-spacing: .2em; }
.hero-signature p { margin-top: 18px; font-size: 32px; line-height: 1.2; font-weight: 300; letter-spacing: -.04em; }
.hero-signature strong { color: #ffcb8d; font-weight: 650; }
.hero-signature-line { width: 70px; height: 1px; margin: 22px 0; background: #e2a058; }
.hero-signature small { font-size: 8px; letter-spacing: .13em; color: #c5beb3; }
.hero-bottom { position: absolute; bottom: 26px; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #ffffff20; padding-top: 23px; color: #bab4aa; font-size: 11px; }
.hero-bottom > span { display: flex; align-items: center; gap: 10px; }
.hero-bottom i { width: 6px; height: 6px; border-radius: 50%; background: #f8a54f; box-shadow: 0 0 15px #f58220; }
.hero-bottom a { text-decoration: none; }
.hero-bottom a span { margin-left: 18px; font-size: 20px; color: #f6b161; }

/* Alternance clair / sombre, avec une séparation lumineuse commune. */
.adn-tabs-section, .adn-projects-section, .adn-volunteer-section, .adn-contact-section { position: relative; isolation: isolate; padding: 50px 0; overflow: hidden; }
.adn-tabs-section::after, .adn-projects-section::after, .adn-volunteer-section::after, .adn-contact-section::after { content: ""; position: absolute; inset: 0 8% auto; height: 1px; background: linear-gradient(90deg, transparent, #eda252a6, transparent); box-shadow: 0 0 35px 6px #f5a04a1a; pointer-events: none; }
.adn-tabs-section { background: radial-gradient(ellipse at 100% 0, #ffe1b957, transparent 55%), linear-gradient(135deg, #fffdf9, #f4eee5); }
.adn-tabs-nav { display: inline-flex; gap: 5px; padding: 6px; margin-bottom: 42px; border: 1px solid #ded5c8; border-radius: 12px; background: #fff9; }
.adn-tab-btn { border: 0; border-radius: 8px; padding: 12px 29px; background: transparent; color: #6b6258; font-size: 13px; font-weight: 700; transition: background .25s, color .25s, box-shadow .25s; }
.adn-tab-btn.active { color: #fff; background: #1b1b19; box-shadow: 0 3px 10px #0002; }
.adn-tab-btn:hover:not(.active) { background: #f7e8d8; color: #783d0c; }
.adn-tab-panel { display: none; }
.adn-tab-panel.active { display: block; animation: panel-in .5s var(--ease); }
.adn-tab-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: center; }
.adn-tab-content h2, .adn-projects-heading h2, .adn-volunteer-content h2, .adn-contact-form-content h2 { font-size: clamp(29px, 3.05vw, 44px); margin-bottom: 24px; }
.adn-tab-text { color: var(--muted); font-size: 15px; line-height: 1.85; }
.adn-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; border-top: 1px solid var(--line); padding-top: 26px; margin: 30px 0; }
.adn-stat strong { display: block; font-size: 36px; line-height: 1; color: #b6550c; letter-spacing: -.04em; }
.adn-stat span { display: block; font-size: 11px; line-height: 1.5; color: #71685e; margin-top: 11px; }
.adn-tab-media { position: relative; min-width: 0; }
.adn-tab-media::before { content: ""; position: absolute; inset: -16px 20px 20px -16px; border: 1px solid #d8b78c; border-radius: 18px; z-index: -1; }
.adn-media-card { position: relative; min-height: 450px; border-radius: 16px 16px 80px 16px; overflow: hidden; background: linear-gradient(135deg, #685039, #211d18); box-shadow: 0 24px 45px #4c2d151c; }
.adn-media-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; transition: transform 1s var(--ease); }
.adn-media-card:hover img { transform: scale(1.04); }
.adn-media-card::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, #151310d9); pointer-events: none; }
.adn-watch-label { position: absolute; bottom: 32px; left: 28px; right: 30px; z-index: 1; color: #fff; font-size: 20px; font-weight: 600; letter-spacing: -.02em; }

/* Projets : une grande carte si un seul projet, carrousel si plusieurs. */
.adn-projects-section { color: white; background: radial-gradient(ellipse at 100% 80%, #7943173b, transparent 60%), linear-gradient(145deg, #20201d, #10100f); }
.adn-projects-bg { position: absolute; inset: 0; z-index: -1; opacity: .045; pointer-events: none; }
.adn-projects-map { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.adn-projects-heading { display: flex; align-items: flex-end; gap: 30px; justify-content: space-between; margin-bottom: 40px; }
.adn-projects-kicker { color: #ffb96d; }
.adn-projects-heading h2 { max-width: 790px; margin-bottom: 0; }
.adn-projects-nav { display: flex; gap: 9px; flex-shrink: 0; }
.adn-projects-arrow { width: 44px; height: 44px; border: 1px solid #ffffff42; border-radius: 50%; color: white; background: #ffffff08; font-size: 20px; }
.adn-projects-arrow:disabled { opacity: .3; cursor: default; }
.adn-projects-slider { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #f58220 #222; padding: 8px 1px 20px; }
.adn-project-card { flex: 0 0 calc((100% - 48px) / 3); scroll-snap-align: start; min-width: 0; border: 1px solid #ffffff26; border-radius: 18px; overflow: hidden; background: linear-gradient(135deg, #32312d, #23221f); box-shadow: 0 18px 35px #0002; transition: border-color .3s, transform .3s var(--ease); }
.adn-project-card:hover { border-color: #f5a35180; transform: translateY(-4px); }
.adn-project-card:only-child { flex-basis: 100%; display: grid; grid-template-columns: 1.05fr 1fr; }
.adn-project-image-wrap { position: relative; min-height: 260px; background: radial-gradient(ellipse at 60% 40%, #98774f, #292824); overflow: hidden; }
.adn-project-image-wrap img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1.4; transition: transform 1s var(--ease); }
.adn-project-card:hover img { transform: scale(1.035); }
.adn-project-card:only-child .adn-project-image-wrap img { position: absolute; inset: 0; }
.adn-project-badge { position: absolute; left: 22px; bottom: 22px; padding: 7px 13px; border: 1px solid #ffffff59; border-radius: 6px; background: #171715d9; color: #ffca8b; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; backdrop-filter: blur(8px); }
.adn-project-body { padding: 28px; }
.adn-project-card:only-child .adn-project-body { padding: 46px; }
.adn-project-body h3 { font-size: 28px; margin-bottom: 18px; }
.adn-project-body p { color: #c0bab2; font-size: 14px; line-height: 1.85; margin-bottom: 30px; }
.adn-project-progress-top { display: flex; justify-content: flex-end; color: #ffc581; font-size: 14px; font-weight: 750; margin-bottom: 9px; }
.adn-project-progress { height: 6px; background: #ffffff18; border-radius: 10px; overflow: hidden; margin-bottom: 26px; }
.adn-project-progress span { height: 100%; display: block; border-radius: inherit; background: linear-gradient(90deg, #e97624, #ffd085); transform-origin: left; }
.adn-project-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; border-top: 1px solid #ffffff1a; padding-top: 23px; }
.adn-project-stats small { display: block; color: #bdb6ac; font-size: 11px; margin-bottom: 4px; }
.adn-project-stats strong { color: #fff3df; font-size: 17px; letter-spacing: -.02em; white-space: nowrap; }
.adn-projects-footer { margin-top: 22px; text-align: center; }

/* Bénévolat : une image entourée de lumière et un accordéon lisible. */
.adn-volunteer-section { background: radial-gradient(ellipse at 12% 60%, #ffd09445, transparent 48%), linear-gradient(120deg, #fffaf3, #f5f2ec); }
.adn-volunteer-container { display: grid; grid-template-columns: 1fr 1.1fr; gap: 76px; align-items: center; }
.adn-volunteer-image-wrap { position: relative; isolation: isolate; min-height: 440px; display: flex; align-items: flex-end; justify-content: center; }
.adn-volunteer-image-wrap::before { content: ""; position: absolute; z-index: -1; inset: 14% -6% 4%; background: radial-gradient(ellipse, #ffb35880, #e89a4c26 42%, transparent 70%); animation: halo-drift 10s ease-in-out infinite alternate; }
.adn-volunteer-image-wrap::after { content: ""; position: absolute; z-index: -1; inset: 10% 2% 5%; border: 1px solid #d4934963; border-radius: 50% 50% 16px 16px; }
.adn-volunteer-image-wrap img { max-height: 630px; width: 100%; object-fit: contain; filter: drop-shadow(0 18px 22px #56381820); }
.adn-volunteer-accordion { display: flex; flex-direction: column; gap: 12px; }
.adn-volunteer-item { border: 1px solid #ded6cb; border-radius: 12px; overflow: hidden; background: #ffffff73; transition: background .3s, border-color .3s, box-shadow .3s; }
.adn-volunteer-item.active { background: white; border-color: #d99d5e; box-shadow: 0 10px 30px #78502c0d; }
.adn-volunteer-trigger { display: flex; justify-content: space-between; align-items: center; gap: 18px; width: 100%; padding: 20px; background: transparent; border: 0; font-size: 14px; line-height: 1.6; font-weight: 700; text-align: left; color: #292621; }
.adn-volunteer-icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: #f4eadc; color: #974809; font-size: 20px; font-weight: 400; }
.active .adn-volunteer-icon { background: #f58220; color: #281707; }
.adn-volunteer-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s var(--ease); }
.adn-volunteer-panel > .adn-accordion-inner { overflow: hidden; min-height: 0; }
.adn-volunteer-panel p { padding: 0 20px 20px; color: #6d645a; font-size: 14px; line-height: 1.85; }
.adn-volunteer-item.active .adn-volunteer-panel { grid-template-rows: 1fr; }
/* Sans JavaScript, toutes les réponses restent lisibles. */
html:not(.adn-js) .adn-volunteer-panel { grid-template-rows: 1fr; }

/* Contact : formulaire clair sur fond sombre. */
.adn-contact-section { color: white; background: radial-gradient(ellipse at 100% 50%, #76432250, transparent 60%), linear-gradient(145deg, #1e1d1a, #0e0e0d); }
.adn-contact-bg { position: absolute; inset: 0; z-index: -1; opacity: .07; pointer-events: none; }
.adn-contact-map { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.adn-contact-container { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 80px; }
.adn-contact-form-content { max-width: 100%; }
.adn-contact-kicker { color: #ffbd76; }
.adn-contact-intro { color: #bdb6ac; font-size: 14px; line-height: 1.8; margin-bottom: 30px; }
.adn-contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; background: #fcf9f3; color: var(--ink); padding: 30px; border: 1px solid #fff; border-radius: 18px; box-shadow: 0 24px 55px #0003; }
.adn-form-group { min-width: 0; display: flex; flex-direction: column; gap: 7px; }
.adn-form-group:has(#subject), .adn-form-group:has(#message), #form-messages, .adn-contact-submit { grid-column: 1 / -1; }
.adn-form-group label { font-size: 12px; font-weight: 700; color: #4f473d; }
.adn-form-group input, .adn-form-group select, .adn-form-group textarea { width: 100%; min-width: 0; padding: 11px 12px; min-height: 47px; border: 1px solid #ddd4c8; border-radius: 7px; color: #29251f; background: white; font-size: 16px; transition: border-color .2s, box-shadow .2s; }
.adn-form-group input::placeholder, .adn-form-group textarea::placeholder { color: #817a70; font-size: 13px; }
.adn-form-group input:focus, .adn-form-group select:focus, .adn-form-group textarea:focus { outline: 0; border-color: #ba5a0a; box-shadow: 0 0 0 3px #f5822021; }
.adn-form-group select option { background: #fff; color: #29251f; }
.adn-form-group textarea { resize: vertical; min-height: 130px; }
.adn-contact-submit { width: 100%; margin-top: 2px; }
#form-messages:empty { display: none; }
#form-messages { padding: 13px; font-size: 13px; border: 1px solid transparent; border-radius: 8px; }
#form-messages.error-message { color: #91261d; background: #fff0eb; border-color: #ebaa9e; }
#form-messages.success-message { color: #225335; background: #e9f7eb; border-color: #94c6a2; }
.adn-contact-visual { position: relative; }
.adn-contact-image-wrap { position: relative; isolation: isolate; min-height: 380px; display: flex; align-items: center; }
.adn-contact-image-wrap::before { content: ""; position: absolute; z-index: -1; inset: -20%; background: radial-gradient(ellipse, #d88a354a, transparent 64%); animation: halo-drift 13s ease-in-out infinite alternate; }
.adn-contact-image-wrap img { width: 100%; object-fit: contain; max-height: 680px; border-radius: 18px; filter: drop-shadow(0 24px 24px #0004); }
.adn-footer { background: #0d0d0c; color: #a69e92; border-top: 1px solid #ffffff15; padding: 27px 0; }
.adn-footer-content { text-align: center; font-size: 11px; letter-spacing: .02em; }
.adn-scroll-to-top { position: fixed; bottom: 24px; right: 24px; z-index: 90; width: 44px; height: 44px; background: #f9ac52; color: #24170a; border: 1px solid #fbc689; border-radius: 50%; font-size: 23px; box-shadow: 0 6px 24px #0003; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .3s, transform .3s, visibility .3s; }
.adn-scroll-to-top.show { opacity: 1; visibility: visible; transform: none; }

/* Révélations progressives : le contenu reste visible si JS ne fonctionne pas. */
.adn-reveal.is-pending { opacity: 0; transform: translateY(28px); }
.adn-reveal { transition: opacity .8s var(--ease), transform .8s var(--ease); }
.adn-progress-animate { animation: progress-in 1.1s var(--ease) both; }
@keyframes halo-drift { from { transform: translate3d(0, 0, 0) scale(1); opacity: .65; } to { transform: translate3d(14px, -16px, 0) scale(1.06); opacity: 1; } }
@keyframes panel-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes progress-in { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Tablettes et petits ordinateurs. */
@media (max-width: 1180px) {
  .adn-navbar-container { gap: 20px; }
  .adn-navbar-menu { gap: 18px; }
  .adn-navbar-btn-member { display: none; }
  .adn-tab-grid, .adn-volunteer-container, .adn-contact-container { gap: 42px; }
  .hero-signature { width: 215px; right: 40px; }
  .hero-content h1 { width: 70%; }
  .hero-text { width: 65%; }
}
@media (max-width: 920px) {
  :root { --nav-height: 78px; }
  .adn-navbar-container, .hero-content, .hero-bottom, .adn-tabs-wrapper, .adn-projects-container, .adn-volunteer-container, .adn-contact-container, .adn-footer-container { width: calc(100% - 48px); }
  .adn-navbar-toggle { display: block; flex-shrink: 0; }
  .adn-navbar-actions { margin-left: auto; }
  .adn-navbar-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px 24px 24px; background: #151514; border-bottom: 1px solid #a36732; box-shadow: 0 20px 30px #0003; max-height: calc(100dvh - var(--nav-height)); overflow-y: auto; }
  .adn-navbar-menu.active { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
  .adn-navbar-link { font-size: 16px; padding: 13px 5px; }
  .hero-adn { min-height: 690px; padding-top: 80px; }
  .hero-content h1 { width: 80%; font-size: 52px; }
  .hero-text { width: 75%; }
  .hero-signature { display: none; }
  .hero-orbit { right: -370px; }
  .adn-tabs-section, .adn-projects-section, .adn-volunteer-section, .adn-contact-section { padding: 76px 0; }
  .adn-tab-grid { gap: 30px; }
  .adn-media-card { min-height: 450px; }
  .adn-volunteer-container { grid-template-columns: .85fr 1.15fr; gap: 30px; }
  .adn-contact-container { gap: 34px; grid-template-columns: 1.4fr .8fr; }
  .adn-contact-form { padding: 24px; }
  .adn-project-card { flex-basis: calc((100% - 24px) / 2); }
  .adn-project-card:only-child .adn-project-body { padding: 30px; }
}
@media (max-width: 700px) {
  .hero-adn { min-height: 680px; padding: 60px 0 125px; }
  .hero-content h1 { width: 100%; max-width: 560px; font-size: clamp(36px, 7.2vw, 50px); }
  .hero-text { width: 100%; max-width: 500px; font-size: 15px; }
  .hero-kicker { font-size: 9px; line-height: 1.6; letter-spacing: .12em; }
  .hero-orange-overlay { background: linear-gradient(90deg, #111f, #111a), radial-gradient(ellipse at 100% 10%, #c66f3347, transparent 70%); }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 10px; bottom: 20px; padding-top: 17px; }
  .hero-bottom a { font-size: 10px; }
  .hero-mask-wrap { width: 80%; opacity: .06; }
  .adn-tab-grid, .adn-volunteer-container, .adn-contact-container { grid-template-columns: minmax(0, 1fr); gap: 46px; }
  .adn-tabs-nav { width: 100%; justify-content: space-between; }
  .adn-tab-btn { flex: 1; padding: 12px 15px; }
  .adn-tab-media { margin: 10px 0 0 12px; }
  .adn-media-card { min-height: 360px; }
  .adn-projects-heading h2 { font-size: 32px; }
  .adn-project-card { flex-basis: 87%; }
  .adn-project-card:only-child { display: block; }
  .adn-project-card:only-child .adn-project-image-wrap img { position: static; }
  .adn-project-image-wrap { min-height: 230px; }
  .adn-project-image-wrap img { max-height: 350px; }
  .adn-project-card:only-child .adn-project-body { padding: 27px; }
  .adn-project-body h3 { font-size: 27px; }
  .adn-project-stats strong { font-size: 17px; }
  .adn-volunteer-content { order: -1; }
  .adn-volunteer-image-wrap { min-height: 260px; max-width: 400px; margin: auto; }
  .adn-volunteer-image-wrap img { max-height: 430px; }
  .adn-contact-visual { max-width: 380px; margin: auto; width: 100%; }
  .adn-contact-image-wrap { min-height: 260px; }
  .adn-contact-image-wrap img { max-height: 410px; }
}
@media (max-width: 420px) {
  .adn-navbar-container, .hero-content, .hero-bottom, .adn-tabs-wrapper, .adn-projects-container, .adn-volunteer-container, .adn-contact-container, .adn-footer-container { width: calc(100% - 36px); }
  .adn-navbar-container { gap: 12px; }
  .adn-navbar-logo { gap: 8px; }
  .adn-navbar-logo img { width: 42px; height: 42px; }
  .adn-brand-name { font-size: 20px; }
  .adn-brand-name small { display: none; }
  .adn-navbar-btn { padding: 9px 12px; font-size: 9px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { width: 100%; }
  .hero-adn { min-height: 760px; }
  .adn-stats { gap: 10px; }
  .adn-stat strong { font-size: 31px; }
  .adn-contact-form { padding: 20px; grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .adn-project-card:only-child .adn-project-body { padding: 22px; }
  .adn-project-stats { gap: 8px; }
  .adn-project-stats strong { font-size: 15px; }
  .adn-scroll-to-top { bottom: 15px; right: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-bg { transform: none; }
  .adn-reveal.is-pending { opacity: 1; transform: none; }
}
@media print {
  body { padding: 0; }
  .adn-navbar, .adn-scroll-to-top, .hero-bottom { display: none; }
  .adn-reveal.is-pending { opacity: 1; transform: none; }
  .adn-tab-panel { display: block !important; margin-bottom: 30px; }
  .adn-volunteer-panel { grid-template-rows: 1fr; }
}

.adn-volunteer-section{
  margin-bottom: -50px;
}  

/* Formulaire : compléments uniquement, votre CSS précédent est conservé. */
.adn-form-full { grid-column: 1 / -1; }
.adn-contact-form .adn-contact-trap { display: none; }
.adn-contact-form .adn-field-error { color: #9b281c; font-size: 12px; line-height: 1.5; }
.adn-contact-form .adn-field-error:empty { display: none; }
.adn-contact-form .adn-field-help, .adn-contact-form .adn-optional { font-size: 12px; color: #6a6259; line-height: 1.5; font-weight: 400; }
.adn-contact-form [aria-invalid="true"] { border-color: #b43828; box-shadow: 0 0 0 2px #b4382815; }
.adn-contact-form [type="submit"]:disabled { opacity: .65; cursor: wait; }