/* ============================================================
   footer.css — Blue Medical Theme
   Palette:
     Navy main   : #0a2d6e
     Blue primary: #0d5db5
     Cyan accent : #29b6f6
     Red CTA     : #e53935
   ============================================================ */

/* ── Main footer ─────────────────────────────────────────── */
.site-footer {
    background: #0a2d6e;
    color: #ffffff;
    padding: 48px 0 0;
    border-top: none;
    position: relative;
    overflow: hidden;
}

/* Dot texture overlay */
.site-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(41, 182, 246, 0.07) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

/* Glow top-right */
.site-footer::after {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(41, 182, 246, 0.12), transparent 70%);
    pointer-events: none;
}

.site-footer .container {
    position: relative;
    z-index: 1;
}

/* ── Top grid ────────────────────────────────────────────── */
.footer-top {
    display: grid;
    grid-template-columns: 260px 1fr 1fr 160px;
    gap: 40px;
    align-items: start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── Brand / Logo col ────────────────────────────────────── */
.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    border-radius: 13px;
    background: linear-gradient(135deg, #f44336, #c62828);
    color: #ffffff;
    font-size: 22px;
    box-shadow: 0 4px 14px rgba(229, 57, 53, 0.4);
    position: relative;
}

.footer-logo-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 13px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    pointer-events: none;
}

.footer-logo-text {
    line-height: 1.15;
}

.footer-logo-text strong {
    display: block;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
}

.footer-logo-text span {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-brand-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ── Column headings ─────────────────────────────────────── */
.footer-title {
    margin: 0 0 18px;
    font-size: 11px;
    font-weight: 700;
    color: #29b6f6;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(41, 182, 246, 0.4), transparent);
}

/* ── Footer links ────────────────────────────────────────── */
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li + li {
    margin-top: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s, gap 0.2s;
}

.footer-links a::before {
    content: '›';
    color: #29b6f6;
    opacity: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    flex: 0 0 auto;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    color: #ffffff;
    gap: 10px;
}

.footer-links a:hover::before {
    opacity: 1;
}

/* ── Social icons ────────────────────────────────────────── */
.footer-col--social {
    min-width: 120px;
}

.footer-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
    margin-right: 8px;
    margin-bottom: 8px;
}

.footer-social:hover {
    background: #29b6f6;
    border-color: #29b6f6;
    color: #fff;
    transform: translateY(-2px);
}

/* ── Keywords row ────────────────────────────────────────── */
.footer-bottom {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.footer-keywords {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    justify-content: flex-start;
}

.footer-keywords-label {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}

.footer-tag {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 14px;
    border: 1px solid rgba(41, 182, 246, 0.25);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    background: rgba(41, 182, 246, 0.06);
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.footer-tag:hover {
    border-color: #29b6f6;
    color: #29b6f6;
    background: rgba(41, 182, 246, 0.12);
}

/* ── Copyright bar ───────────────────────────────────────── */
.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
    padding: 18px 0;
}

/* ── Accent strip at very bottom ─────────────────────────── */
.site-footer .footer-strip {
    height: 4px;
    background: linear-gradient(90deg, #e53935 0%, #29b6f6 50%, #0d5db5 100%);
    margin-top: 0;
}

/* ── Wave divider above footer ───────────────────────────── */
.footer-wave {
    display: block;
    line-height: 0;
    background: transparent;
}

.footer-wave svg {
    display: block;
    width: 100%;
}

/* ── Responsive: tablet ──────────────────────────────────── */
@media (max-width: 1100px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: flex-start;
        gap: 32px;
    }

    .footer-brand-desc {
        margin-bottom: 0;
    }

    .footer-keywords {
        justify-content: flex-start;
    }
}

/* ── Responsive: mobile ──────────────────────────────────── */
@media (max-width: 767px) {
    .site-footer {
        padding: 36px 0 0;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-brand {
        flex-direction: column;
        gap: 0;
    }

    .footer-bottom {
        margin-top: 0;
        gap: 0;
    }

    .footer-keywords {
        padding: 18px 0;
        justify-content: flex-start;
    }

    .footer-copyright {
        padding: 16px 0;
    }
}