/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}
/* ===== STRUCTURE ===== */
main {
    max-width: 1600px;          /* largeur idéale sur grand écran */
    margin: 0 auto;
    padding: 0 40px 60px;       /* respiration */
}
/* ===== HEADER ===== */
.adrona-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    width: 100%;
}

.header-inner {
    width: 100%;
    padding: 12px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo img {
    height: 52px;
}

.header-nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
}

.header-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1rem;
}

.header-nav a:hover {
    color: #ff7a00;
}
/* ===== HEADER ===== */
.adrona-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    width: 100%;
}

.header-inner {
    width: 100%;
    padding: 12px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo img {
    height: 52px;
}

.header-nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
}

.header-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1rem;
}

.header-nav a:hover {
    color: #ff7a00;
}
/* ===== HERO ===== */
.hero-adrona {
    position: relative;
    width: 100vw; 
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    height: clamp(300px, 35vw, 650px);
    overflow: hidden;
    margin-bottom: 40px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-logo {
    position: absolute;
    top: 30px;
    left: 40px;
    width: clamp(120px, 12vw, 200px);
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.7));
}

.hero-title {
    position: absolute;
    top: 40px;
    left: clamp(180px, 20vw, 350px);
}

.hero-title h1,
.hero-title h2 {
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}
/* ===== TUILES ===== */
.adrona-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    padding: 60px 0;
}

.tile {
    background: #fff;
    border-radius: 14px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
    transition: transform .2s ease, box-shadow .2s ease;
}

.tile:hover {
    transform: translateY(-6px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.tile-logo {
    width: 28%;
    max-width: 100px;
    margin-bottom: 20px;
}
.tile-gallery {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 30px;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 10px;
    margin-bottom: 30px;
}

.tile-gallery img {
    width: 100%;
    max-width: 50px;
    border-radius: 6px;
}
.yt-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.yt-grid a {
    text-align: center;
    text-decoration: none;
    color: #333;
    max-width: 320px;
}

.yt-grid img {
    width: 100%;
    border-radius: 8px;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.about-photo img {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
}
.adrona-cta {
    text-align: center;
    margin: 60px 0;
}

.cta-button {
    padding: 14px 28px;
    background: #ff7a00;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
}
.partner-card {
    display: flex;
    align-items: center;
    gap: 30px;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 30px;
    background: #fafafa;
}

.partner-logo {
    max-width: 200px;
}
.adrona-footer {
    text-align: center;
    padding: 30px;
    font-size: 0.9rem;
    color: #666;
}

.quisuisje-logo {
    max-width: 50%;
}
.human-count {
    font-size: 2.2rem;
    font-weight: bold;
    color: #ff7a00;
    margin: 10px 0 0;
}