:root {
    --accent: #0057AD;
    --accent-light: #41A0FF;
    --bg: #f6f8fb;
    --text: #1a1a1a;
    --card-bg: #fff;
    --h2: #fff;
    --shadow: rgba(0,0,0,0.1);
    --green: #4CAF50;
    --red: #F44336;
}

/* ============================= */
/* FOOTER CONTAINER              */
/* ============================= */
.footer {
    background-color: var(--accent);
    color: white;
    padding: 2.5rem 2rem;
    border-radius: 1.25rem;
    margin: 3rem auto 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    max-width: 1400px;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: space-between;
}

/* ============================= */
/* LOGO                           */
/* ============================= */
.logo-p-footer {
    font-size: 1.5rem;
    color: var(--accent-light);
    display: inline-block;
    font-weight: 600;
}

.logo-byte-footer {
    font-size: 1.5rem;
    color: #fff;
    margin-left: -3px;
    display: inline-block;
    font-weight: 600;
}

/* ============================= */
/* FOOTER SECTIONS               */
/* ============================= */
.footer-section {
    flex: 1 1 220px;
    min-width: 180px;
}

/* Titel met permanente underline */
.footer-section h2 {
    color: var(--h2);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    position: relative;
    display: block;
    padding-bottom: 0.4rem;
}

.footer-section h2::after {
    content: '';
    position: absolute;
    background: var(--accent-light);
    border-radius: 2px;
    left: 0;
    bottom: 7px;
    width: 90%; /* lengte van de lijn onder h2 */
    height: 2px;
}

/* ============================= */
/* PARAGRAFEN & LI                */
/* ============================= */
.footer-section p,
.footer-section li {
    display: block;
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

/* ============================= */
/* LINKS                         */
/* ============================= */
.footer-section a {
    position: relative;
    display: inline-block;
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.footer-section a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease-in-out;
}

.footer-section a:hover::after {
    transform: scaleX(1);
}

/* ============================= */
/* LIJSTEN                        */
/* ============================= */
.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

/* ============================= */
/* SOCIAL ICONS                  */
/* ============================= */
.social-icons {
    display: flex;
    gap: 0.7rem;
    margin-top: 0.5rem;
}

.social-icons img {
    width: 28px;
    height: 28px;
    filter: brightness(1) invert(1);
    transition: transform 0.2s ease, filter 0.2s ease;
}

.social-icons img:hover {
    filter: brightness(1.2) invert(1);
    transform: translateY(-2px);
}

/* ============================= */
/* FOOTER BOTTOM                 */
/* ============================= */
.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.875rem;
    opacity: 0.85;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 1rem;
}