/* ================= RESET ================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    background-color: #f4f6f8;
    color: #1f2933;
    line-height: 1.6;
}

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

.header {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    padding: 30px;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.header-left {
    text-align: right;
}

.brand {
    font-size: 2.6rem;
    font-weight: bold;
}

.slogan {
    font-size: 1.05rem;
    opacity: 0.95;
}

.header-right {
    text-align: right;
}

/* ================= SEPARATORS ================= */

.separator {
    width: 100%;
    height: 2px;
    margin: 20px 0;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.8), transparent);
}

.separator-footer {
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.5), transparent);
}

/* ================= BUTTON ================= */

.btn-contact {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ffffff, #dbeafe);
    color: #1e3a8a;
    font-weight: bold;
    text-decoration: none;
    border: 2px solid #93c5fd;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(255,255,255,0.4);
}

/* ================= CARDS GRID ================= */

.cards-container {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ================= CARD ================= */

.card {
    background-color: #f9fafb;
    border-radius: 15px;
    padding: 11px;
    border: 2px solid #2563eb;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.25);
}

.card h2 {
    position: relative;
    margin-bottom: 25px;
    padding: 12px 18px;
    text-align: center;
    background: #ffffff;
    border-radius: 10px;
    color: #1e3a8a;
    z-index: 1;
}

.card h2::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    opacity: 0.4;
    z-index: -1;
    transition: 0.3s ease;
}

.card:hover h2::before {
    opacity: 1;
    transform: scale(1.05);
}

.card img {
    margin-top: 20px;
    width: 100%;
    max-height: 160px;
    object-fit: contain;
}

/* ================= CONTACT CARD (CENTRÉE) ================= */

.card-contact {
    background: linear-gradient(135deg, #ffffff, #f3f6ff);
    grid-column: 2 / 3;
}

/* ================= CONTACT FORM ================= */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-form label {
    font-weight: bold;
    color: #2563eb;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #c7d2fe;
    font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

.contact-form button {
    margin-top: 12px;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.25s ease;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.4);
}

/* ================= THANK YOU PAGE ================= */

.thanks {
    max-width: 600px;
    margin: 80px auto;
    text-align: center;
}

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

.footer {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    text-align: center;
    padding: 40px 20px;
}

.footer p {
    margin: 8px 0;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

@media (max-width: 992px) {
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-contact {
        grid-column: 1 / -1;
    }
}

@media (max-width: 600px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .header-left,
    .header-right {
        text-align: center;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }

    .card img {
        max-height: 220px;
    }
}