/* ============================================================
   Error Infotech — Premium Footer (Student-Facing)
   Deep Midnight Theme with Copper-Orange Accents
   ============================================================ */

/* Reset & Base */
.footer {
    background: linear-gradient(135deg, #0d0a08 0%, #050403 100%);
    color: #e8dbce;
    padding: 4rem 0 0;
    position: relative;
    border-top: 2px solid #bb734b;
    font-family: 'Poppins', sans-serif;
    overflow: hidden;
}

/* Dynamic background accent */
.footer::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(187, 115, 75, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* Subtle ambient glow behind footer */
.footer::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 120px;
    background: radial-gradient(ellipse, rgba(187, 115, 75, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

/* ============================================================
   Layout Container
   ============================================================ */
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   Top Brand Strip
   ============================================================ */
.footer-brand-section {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(187, 115, 75, 0.15);
    flex-wrap: wrap;
}

.footer-logo-row {
    flex-shrink: 0;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    display: block;
    transition: opacity 0.3s ease;
}

.footer-logo-img:hover {
    opacity: 1;
}

/* Right side: description + icons + address */
.footer-center-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-tagline {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #bb734b;
    margin: 0;
    background: linear-gradient(45deg, #bb734b, #d6956f);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-description {
    color: #8c7e74;
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 0;
}

/* ============================================================
   Contact Icons Row
   ============================================================ */
.footer-contact-icons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 0.2rem;
}

.footer-icon-btn {
    position: relative;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a89486;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Tooltip label above each icon */
.footer-icon-btn::after {
    content: attr(data-label);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--tip-color, #bb734b);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    pointer-events: none;
}

.footer-icon-btn:hover::after {
    opacity: 1;
    visibility: visible;
}

.footer-icon-btn:hover {
    background: var(--tip-color, #bb734b);
    border-color: var(--tip-color, #bb74b);
    color: #fff;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

/* Per-icon brand colors */
.footer-icon-btn.email    { --tip-color: #ea4335; }
.footer-icon-btn.phone    { --tip-color: #34a853; }
.footer-icon-btn.location { --tip-color: #4285f4; }
.footer-icon-btn.whatsapp { --tip-color: #25d366; }
.footer-icon-btn.linkedin { --tip-color: #0077b5; }
.footer-icon-btn.instagram{ --tip-color: #e4405f; }

/* Address Line */
.footer-address {
    color: #5a4e47;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

/* ============================================================
   Main Content Grid: Map + Accordions + Highlights
   ============================================================ */
.footer-map-nav-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
    align-items: start;
}

@media (max-width: 900px) {
    .footer-map-nav-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Map Block
   ============================================================ */
.footer-map-wrapper {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(187, 115, 75, 0.25);
    height: 190px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.footer-map-iframe {
    width: 100%;
    height: 100%;
    display: block;
    filter: grayscale(40%) brightness(0.75) contrast(1.1) sepia(20%);
    pointer-events: none;
}

.footer-map-overlay {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.footer-map-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 10, 8, 0.9);
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 30px;
    border: 1px solid #bb734b;
    backdrop-filter: blur(10px);
    white-space: nowrap;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.footer-map-link:hover {
    background: #bb734b;
    color: white;
    border-color: #bb734b;
    box-shadow: 0 4px 15px rgba(187, 115, 75, 0.3);
}

/* ============================================================
   Accordion Navigation (Right Column)
   ============================================================ */
.footer-accordion-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.accordion-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: rgba(187, 115, 75, 0.3);
    background: rgba(187, 115, 75, 0.04);
}

.accordion-item.active {
    border-color: rgba(187, 115, 75, 0.4);
    background: rgba(187, 115, 75, 0.05);
}

.accordion-header {
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 1rem;
    transition: all 0.3s ease;
    user-select: none;
}

.header-icon {
    width: 34px;
    height: 34px;
    background: rgba(187, 115, 75, 0.12);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bb734b;
    font-size: 0.95rem;
    flex-shrink: 0;
    transition: background 0.3s ease;
}

.accordion-item.active .header-icon,
.accordion-item:hover .header-icon {
    background: rgba(187, 115, 75, 0.22);
}

.accordion-header span {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    color: #c8b9ae;
    flex-grow: 1;
    text-transform: uppercase;
}

.accordion-header .arrow {
    font-size: 0.75rem;
    color: #5a4e47;
    transition: transform 0.35s ease;
}

.accordion-item.active .arrow {
    transform: rotate(90deg);
    color: #bb734b;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content {
    max-height: 400px;
}

.accordion-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 1.5rem;
    padding: 0.8rem 1.5rem 1.2rem 4rem;
}

.accordion-links-grid a {
    color: #7a6d64;
    text-decoration: none;
    font-size: 0.88rem;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.accordion-links-grid a::before {
    content: '›';
    color: #bb734b;
    font-size: 1.1rem;
    font-weight: bold;
    line-height: 1;
    flex-shrink: 0;
}

.accordion-links-grid a:hover {
    color: #e8dbce;
    transform: translateX(4px);
}

/* ============================================================
   Trust Strip (Internship Stats)
   ============================================================ */
.footer-trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-item {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-item:last-child {
    border-right: none;
}

.trust-item:hover {
    background: rgba(187, 115, 75, 0.06);
}

.trust-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #bb734b;
    line-height: 1;
    display: block;
}

.trust-label {
    font-size: 0.72rem;
    color: #5a4e47;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 4px;
    display: block;
}

@media (max-width: 600px) {
    .footer-trust-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================================
   Footer Bottom Bar
   ============================================================ */
.footer-bottom-v2 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom-v2 p {
    font-size: 0.8rem;
    color: #3d3530;
    margin: 0;
}

.footer-bottom-socials {
    display: flex;
    gap: 1.2rem;
}

.footer-bottom-socials a {
    color: #3d3530;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-bottom-socials a:hover {
    color: #bb734b;
    transform: translateY(-3px);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .footer-brand-section {
        flex-direction: column;
        text-align: center;
    }
    .footer-center-content {
        align-items: center;
    }
    .footer-bottom-v2 {
        flex-direction: column;
        text-align: center;
    }
    .accordion-links-grid {
        grid-template-columns: 1fr;
        padding: 0.8rem 1.2rem 1.2rem 2.5rem;
    }
    .footer-trust-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}