/* ============================================================
   FYP Journey — Footer Component
   components/footer.css
   ============================================================ */

.footer {
    position: relative;
    margin-top: 0;
}

/* Wave connector from previous section */
.footer__wave {
    line-height: 0;
    overflow: hidden;
    background: var(--color-bg);
}

.footer__wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ── Footer body ── */
.footer__body {
    background: var(--color-bg-dark);
    padding-block: var(--space-16) var(--space-12);
}

/* ── Grid layout ── */
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.25fr;
    gap: var(--space-10);
}

/* ── Brand column ── */
.footer__logo {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--font-black);
    color: var(--color-text-white);
    letter-spacing: -0.03em;
    text-decoration: none;
    margin-bottom: var(--space-3);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__logo span {
    color: var(--color-accent);
}

.footer__logo:hover {
    color: var(--color-secondary-light);
}

.footer__tagline {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-secondary-light);
    font-style: italic;
    margin-bottom: var(--space-4);
}

.footer__desc {
    font-size: var(--text-sm);
    color: var(--color-text-on-dark);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    max-width: 28ch;
}

.footer__social-title {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(248, 250, 255, 0.68);
    margin-bottom: var(--space-3);
}

/* ── Socials ── */
.footer__socials {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
    flex-wrap: wrap;
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.96);
    transition: background var(--duration-base) var(--ease-out),
        color var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out),
        border-color var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 24px rgba(9, 18, 45, 0.18);
}

.footer__social-link:hover {
    background: var(--color-secondary);
    color: var(--color-text-white);
    transform: translateY(-3px);
    border-color: var(--color-secondary);
    box-shadow: 0 14px 28px rgba(59, 130, 246, 0.28);
}

/* ── Nav columns ── */
.footer__col-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--color-text-white);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--color-text-on-dark);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out),
        padding-left var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
    color: var(--color-secondary-light);
    padding-left: 6px;
}

/* ── Contact items ── */
.footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-on-dark);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a.footer__contact-item:hover {
    color: var(--color-secondary-light);
}

/* ── Bottom bar ── */
.footer__bottom {
    background: linear-gradient(180deg, #162a5f 0%, #122450 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-block: var(--space-5);
}

.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer__copy,
.footer__made {
    font-size: var(--text-xs);
    color: rgba(248, 250, 255, 0.78);
    line-height: var(--leading-normal);
}

.footer__copy strong,
.footer__made strong {
    color: var(--color-text-on-dark);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .footer__brand {
        grid-column: 1 / -1;
    }

    .footer__desc {
        max-width: none;
    }
}

@media (max-width: 640px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}