/* =========================================
   FOOTER (SECTION 8)
   ========================================= */

.site-footer {
    background-color: var(--color-gold);
    color: var(--color-navy);
    padding-top: 100px;
    position: relative;
    overflow: hidden; /* Cắt phần under watermark */
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1.5fr 1.5fr 2.5fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    letter-spacing: 0.05em;
}

.social-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-list li {
    margin-bottom: 15px;
}

.social-list a {
    text-decoration: none;
    color: var(--color-navy);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
}

.social-list a:hover {
    opacity: 0.7;
}

.footer-heading {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 15px;
    font-weight: 500;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    text-decoration: none;
    color: var(--color-navy);
    font-size: 0.95rem;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-pill {
    padding: 12px 24px;
    border: 1px solid var(--color-navy);
    border-radius: var(--border-radius-pill);
    color: var(--color-navy);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    transition: all 0.3s;
}

.footer-pill:hover {
    background-color: var(--color-navy);
    color: var(--color-gold);
}

.footer-watermark {
    font-family: var(--font-heading);
    font-size: 15vw;
    line-height: 0.7; /* Cắt nửa chữ ở viền dưới */
    text-align: center;
    opacity: 0.15;
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
    padding-top: 40px;
    mix-blend-mode: color-burn; /* Hiệu ứng watermark chìm sâu vào nền vàng */
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-watermark {
        font-size: 25vw;
    }
}