/* ==========================================================================
   COL Radio - Modern Premium Footer UI/UX (Perfect Balanced Edition)
   Aesthetics: Executive University Navy, Crimson & Amber Accents, Glassmorphism
   Typography: Calibrated around 14px sweet spot for optimal elegance & readability
   ========================================================================== */

.col-footer {
    position: relative;
    width: 100%;
    background: linear-gradient(180deg, #0b111e 0%, #060a13 100%);
    color: #cbd5e1;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    border-top: 3px solid #b0040f;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
    margin-top: auto;
    overflow: hidden;
}

/* Ambient Radial Glow in Footer Background */
.col-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    width: 60%;
    height: 200px;
    background: radial-gradient(ellipse at top, rgba(176, 4, 15, 0.18) 0%, rgba(11, 17, 30, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

/* --------------------------------------------------------------------------
   Footer Main Grid Container
   -------------------------------------------------------------------------- */
.col-footer-container {
    position: relative;
    z-index: 1;
    max-width: 1380px;
    margin: 0 auto;
    padding: 55px 28px 38px;
    display: grid;
    grid-template-columns: 1.45fr 1fr 1fr 1.3fr;
    gap: 36px;
    box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   Col 1: Identity & Brand Section
   -------------------------------------------------------------------------- */
.col-footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand-lockup {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

.footer-logo-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    padding: 7px 13px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.footer-logo-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(176, 4, 15, 0.35);
}

.footer-logo-badge img {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-brand-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 24px !important;
    font-weight: 800;
    color: #ffffff !important;
    letter-spacing: -0.3px;
    line-height: 1.25;
    margin: 0;
}

.footer-brand-org {
    font-size: 16px !important;
    font-weight: 700;
    color: #ffffff !important;
    letter-spacing: 0.1px;
    line-height: 1.35;
}

.footer-brand-sub {
    font-size: 14px !important;
    font-weight: 500;
    color: #cbd5e1 !important;
    line-height: 1.35;
}

.footer-brand-desc {
    font-size: 14px !important;
    line-height: 1.65;
    color: #cbd5e1 !important;
    margin: 0;
}

/* Live Broadcast Status Badge */
.footer-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    background: rgba(176, 4, 15, 0.18);
    border: 1px solid rgba(239, 68, 68, 0.45);
    padding: 6px 15px;
    border-radius: 22px;
    font-size: 13px !important;
    font-weight: 700;
    color: #fecaca !important;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #ef4444;
    border-radius: 50%;
    position: relative;
    display: inline-block;
    animation: livePulse 1.8s infinite;
}

@keyframes livePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    70% {
        box-shadow: 0 0 0 7px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

/* Social Media Channels */
.footer-social-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 2px;
}

.footer-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px !important;
    text-decoration: none;
    transition: all 0.25s ease;
}

.footer-social-btn:hover {
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-social-btn.yt:hover {
    background: #ff0000;
    border-color: #ff0000;
    box-shadow: 0 4px 14px rgba(255, 0, 0, 0.45);
}

.footer-social-btn.fb:hover {
    background: #1877f2;
    border-color: #1877f2;
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.45);
}

.footer-social-btn.tw:hover {
    background: #000000;
    border-color: #38bdf8;
    box-shadow: 0 4px 14px rgba(56, 189, 248, 0.35);
}

.footer-social-btn.in:hover {
    background: #0a66c2;
    border-color: #0a66c2;
    box-shadow: 0 4px 14px rgba(10, 102, 194, 0.45);
}

.footer-social-btn.ig:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: #dc2743;
    box-shadow: 0 4px 14px rgba(220, 39, 67, 0.45);
}

/* --------------------------------------------------------------------------
   Col 2 & 3: Navigation Columns
   -------------------------------------------------------------------------- */
.col-footer-col {
    display: flex;
    flex-direction: column;
}

.col-footer-heading {
    font-size: 18px !important;
    font-weight: 800;
    color: #ffffff !important;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.col-footer-heading i {
    color: #ef4444;
    font-size: 16px !important;
}

.col-footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2.5px;
    background: linear-gradient(90deg, #b0040f, #f59e0b);
    border-radius: 2px;
}

.col-footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.col-footer-list li a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1 !important;
    text-decoration: none;
    font-size: 14.5px !important;
    font-weight: 500;
    line-height: 1.45;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.col-footer-list li a .nav-icon-arrow {
    font-size: 11px !important;
    color: #f59e0b;
    transition: transform 0.2s ease, color 0.2s ease;
}

.col-footer-list li a:hover {
    color: #ffffff !important;
    font-weight: 600;
    transform: translateX(4px);
}

.col-footer-list li a:hover .nav-icon-arrow {
    color: #fbbf24;
    transform: translateX(3px);
}

.external-tag {
    font-size: 11px !important;
    color: #94a3b8;
    margin-left: 3px;
}

/* --------------------------------------------------------------------------
   Col 4: Campus Location & Live Analytics Card
   -------------------------------------------------------------------------- */
.col-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px !important;
    line-height: 1.6;
    color: #cbd5e1 !important;
}

.footer-contact-row i {
    color: #ef4444;
    font-size: 16px !important;
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-contact-row a {
    color: #ffffff !important;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-contact-row a:hover {
    color: #f59e0b !important;
    text-decoration: underline;
}

/* Modern Glassmorphic Visitor Analytics Widget */
.footer-visitor-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.footer-visitor-card:hover {
    border-color: rgba(239, 68, 68, 0.5);
    transform: translateY(-2px);
}

.footer-visitor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3.5px;
    height: 100%;
    background: linear-gradient(180deg, #b0040f 0%, #f59e0b 100%);
}

.visitor-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.visitor-card-title {
    font-size: 13px !important;
    font-weight: 700;
    color: #cbd5e1 !important;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.visitor-card-live {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px !important;
    font-weight: 700;
    color: #4ade80 !important;
}

.visitor-card-body {
    display: flex;
    align-items: center;
    gap: 14px;
}

.visitor-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #b0040f, #ef4444);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 18px !important;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(176, 4, 15, 0.4);
}

.visitor-stats-wrap {
    display: flex;
    flex-direction: column;
}

.visitor-stats-count {
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 28px !important;
    font-weight: 800;
    color: #ffffff !important;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
}

.visitor-stats-sub {
    font-size: 13px !important;
    color: #94a3b8 !important;
    font-weight: 500;
    margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Bottom Copyright & Legal Bar
   -------------------------------------------------------------------------- */
.col-footer-bottom {
    position: relative;
    z-index: 1;
    background: #04070d;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 28px;
}

.col-footer-bottom-inner {
    max-width: 1380px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-copy {
    font-size: 14.5px !important;
    color: #cbd5e1 !important;
    line-height: 1.55;
    margin: 0;
}

.footer-copy strong {
    color: #ffffff !important;
    font-weight: 700;
}

.footer-disclaimer {
    font-size: 14px !important;
    color: #94a3b8 !important;
    margin: 0;
}

.footer-bottom-right {
    display: flex;
    align-items: center;
    gap: 22px;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-legal-links li a {
    font-size: 14px !important;
    color: #cbd5e1 !important;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-legal-links li a:hover {
    color: #ffffff !important;
    text-decoration: underline;
}

.footer-legal-separator {
    color: #475569;
    font-size: 13px !important;
}

/* Back To Top Button */
.btn-back-to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff !important;
    padding: 7px 16px;
    border-radius: 22px;
    font-size: 13.5px !important;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-back-to-top:hover {
    background: #b0040f;
    border-color: #b0040f;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(176, 4, 15, 0.4);
}

.btn-back-to-top i {
    font-size: 12px !important;
    transition: transform 0.2s ease;
}

.btn-back-to-top:hover i {
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Responsive Design & Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
    .col-footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 34px;
        padding: 48px 20px 32px;
    }
}

@media (max-width: 640px) {
    .col-footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 36px 16px 26px;
    }

    .col-footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .footer-bottom-right {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .footer-visitor-card {
        padding: 16px;
    }
}