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

/* BASE */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1F2937;
    background-color: #ffffff;
    line-height: 1.65;
}

/* =========================
   HEADER
========================= */

.header {
    position: relative;
    width: 100%;
    background-color: #000000;
    padding: 20px 20px;
    text-align: center;
    overflow: hidden;
}

.header-inner {
    position: relative;
    z-index: 2;
}

.logo {
    max-width: 420px;
    max-height: 120px;
    width: auto;
    height: auto;
}

/* =========================
   LAYOUT
========================= */

main {
    max-width: 1100px;
    margin: auto;
    padding: 60px 20px;
}

/* =========================
   INTRO
========================= */

.intro {
    margin-bottom: 70px;
}

.intro h1 {
    font-size: clamp(1.9rem, 4vw, 2.4rem);
    margin-bottom: 20px;
}

/* =========================
   ORGANIGRAMME
========================= */

.org {
    margin-bottom: 50px;
}

.org h2 {
    margin-bottom: 20px;
}

.org img {
    width: 100%;
    border: 1px solid #E5E7EB;
}

/* =========================
   SECTIONS MARQUES
========================= */

.brand {
    padding: 60px 0;
}

.brand.alt {
    background-color: #F9FAFB;
    padding: 60px 20px;
    margin: 0 -20px;
}

.brand h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.brand p {
    max-width: 900px;
    margin-bottom: 25px;
}

/* =========================
   BOUTONS
========================= */

.btn {
    display: inline-block;
    padding: 12px 26px;
    background-color: #0F172A;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    background-color: #334155;
    transform: translateY(-2px);
}

/* =========================
   FOOTER
========================= */

.footer {
    border-top: 1px solid #E5E7EB;
    padding: 30px 20px;
    text-align: center;
    font-size: 0.95rem;
    color: #64748B;
}

/* =========================
   ANIMATIONS
========================= */

.fade-in,
.slide-up {
    opacity: 0;
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
}

.slide-up {
    transform: translateY(30px);
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 768px) {

    .header {
        padding: 40px 20px;
        background-size: auto 50px;
    }

    .logo {
        max-width: 280px;
    }

    .brand.alt {
        margin: 0;
        padding: 60px 0;
    }
}