/* ---------- GLOBAL ---------- */
body {
    font-family: 'Inter', Arial, sans-serif;
    margin: 40px auto;
    max-width: 900px;
    line-height: 1.6;
    color: #000;
}

/* ---------- COLORS IKB ---------- */
:root {
    --ikb-blue-dark: #1B2B48;
    --ikb-blue-light: #2A87CE;
    --ikb-grey-light: #F2F2F2;
    --ikb-red-light: #FFCCCC;
}

/* ---------- TITLES ---------- */
h1 {
    font-family: 'Montserrat', sans-serif;
    color: var(--ikb-blue-dark);
    font-size: 42px;
    text-align: center;
    margin-top: 80px;
}

h2 {
    font-family: 'Montserrat', sans-serif;
    color: var(--ikb-blue-dark);
    font-size: 28px;
    margin-top: 60px;
    margin-bottom: 10px;
}

/* ---------- COVER ---------- */
.cover-logo {
    display: block;
    margin: 40px auto 20px;
    width: 45%;
}

.subtitle {
    font-family: 'Montserrat', sans-serif;
    color: var(--ikb-blue-light);
    text-align: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.divider {
    width: 60%;
    height: 3px;
    background: var(--ikb-blue-light);
    margin: 20px auto;
}

/* ---------- PARAGRAPHS ---------- */
p {
    margin-bottom: 12px;
    font-size: 16px;
}

/* ---------- BOXES ---------- */
.box-grey {
    background: var(--ikb-grey-light);
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    font-style: italic;
}

.box-blue {
    background: rgba(42, 135, 206, 0.12);
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
}

.box-red {
    background: var(--ikb-red-light);
    padding: 15px;
    font-style: italic;
    border-radius: 6px;
    margin: 20px 0;
    border-left: 5px solid #E74C3C;
}

.text-red {
    color: #E74C3C;
    font-weight: bold;
}

.highlight-red {
    background-color: #FDEDEC;
    padding: 2px 4px;
    border-radius: 3px;
    border: 1px solid #F5B7B1;
    color: #A93226;
}

.danger-box {
    background: #FDEDEC;
    border: 2px solid #E74C3C;
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    color: #A93226;
}

.danger-box h3 {
    color: #E74C3C;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 20px;
}

/* ---------- CHECKLIST ---------- */
.checklist input {
    margin-right: 10px;
}

/* ---------- CONTACT ---------- */
.contact {
    margin-top: 80px;
    text-align: center;
    font-family: 'Inter', sans-serif;
    color: var(--ikb-blue-dark);
    font-size: 15px;
}

.contact-logo {
    width: 120px;
    margin-bottom: 10px;
}

/* ---------- BOUTON RETOUR ---------- */
.back-button {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--ikb-blue-dark);
    font-weight: 600;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 18px;
    border-radius: 50px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.back-button:hover {
    background: var(--ikb-blue-light);
    color: white;
    transform: translateX(-5px);
    box-shadow: 0 6px 20px rgba(42, 135, 206, 0.3);
    border-color: transparent;
}

.back-button svg {
    transition: transform 0.3s ease;
}

.back-button:hover svg {
    transform: translateX(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .back-button {
        top: 15px;
        left: 15px;
        padding: 8px 12px;
        font-size: 13px;
    }
}