.quick-links-bar { padding:30px 0; background:#f8f9fa; }
.quick-bar-grid {
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:20px;
}
.qb-card {
    display:flex;
    align-items:center;
    gap:15px;
    background:linear-gradient(135deg, var(--primary), #c0455a);
    color:#fff;
    padding:20px 22px;
    border-radius:12px;
    text-decoration:none;
    transition:all 0.3s ease;
    box-shadow:0 4px 15px rgba(164,36,59,0.2);
}
.qb-card:nth-child(2) { background:linear-gradient(135deg, var(--secondary), #0d5da3); box-shadow:0 4px 15px rgba(14,112,199,0.25); }
.qb-card:nth-child(3) { background:linear-gradient(135deg, #16a34a, #22c55e); box-shadow:0 4px 15px rgba(22,163,74,0.25); }
.qb-card:nth-child(4) { background:linear-gradient(135deg, #ea580c, #f97316); box-shadow:0 4px 15px rgba(234,88,12,0.25); }
.qb-card:hover { transform:translateY(-5px); color:#fff; box-shadow:0 10px 25px rgba(0,0,0,0.15); }
.qb-icon {
    width:50px; height:50px;
    background:rgba(255,255,255,0.2);
    border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    font-size:1.5rem;
    flex-shrink:0;
}
.qb-title { font-size:1.05rem; font-weight:600; }
@media (max-width: 768px) {
    .quick-bar-grid { grid-template-columns:repeat(2, 1fr); gap:12px; }
    .qb-card { padding:14px 16px; gap:10px; }
    .qb-icon { width:40px; height:40px; font-size:1.2rem; }
    .qb-title { font-size:0.92rem; }
}
/* POSTER OVERLAY */
.int-poster-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.75);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: int-fade-in 0.4s ease;
    backdrop-filter: blur(4px);
}
@keyframes int-fade-in { from { opacity:0; } to { opacity:1; } }
@keyframes int-poster-in {
    from { transform: scale(0.85) translateY(20px); opacity:0; }
    to { transform: scale(1) translateY(0); opacity:1; }
}
.int-poster {
    background: #fff; border-radius: 20px;
    max-width: 880px; width: 100%;
    max-height: 95vh; overflow-y: auto;
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
    position: relative;
    animation: int-poster-in 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.2);
    border: 6px solid #fff;
    outline: 3px solid #a4243b;
    outline-offset: -10px;
}
.int-poster-close {
    position: absolute; top: 14px; right: 14px;
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.95);
    border: none; border-radius: 50%;
    cursor: pointer; font-size: 1rem; color: #555;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 5; transition: all 0.2s;
}
.int-poster-close:hover { background: #dc2626; color: #fff; transform: rotate(90deg); }

/* TOP STRIPE */
.int-poster-stripe {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    color: #78350f; padding: 10px 30px;
    text-align: center; font-weight: 700;
    font-size: 0.9rem; letter-spacing: 0.5px;
    border-radius: 14px 14px 0 0;
    text-transform: uppercase;
}
.int-poster-stripe i { margin-right: 8px; }

/* MAIN CONTENT */
.int-poster-main {
    background: linear-gradient(135deg, #a4243b 0%, #0e70c7 100%);
    color: #fff; padding: 35px 40px;
    display: grid; grid-template-columns: 1.4fr 1fr;
    gap: 30px; align-items: center;
    position: relative; overflow: hidden;
}
.int-poster-main::before {
    content: ''; position: absolute;
    width: 400px; height: 400px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%; top: -200px; right: -150px;
}
.int-poster-main::after {
    content: ''; position: absolute;
    width: 300px; height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%; bottom: -150px; left: -100px;
}
.int-poster-left, .int-poster-right { position: relative; z-index: 1; }

.int-poster-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    color: #fff; padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.75rem; font-weight: 700;
    letter-spacing: 1px; margin-bottom: 14px;
    border: 1px solid rgba(255,255,255,0.3);
}

.int-poster-title {
    color: #fff; margin: 0 0 14px;
    font-family: 'Playfair Display', serif;
    font-size: 2.6rem; line-height: 1.05; font-weight: 700;
    text-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.int-poster-title span {
    font-size: 1.3rem; font-weight: 500;
    opacity: 0.95;
    font-family: 'Poppins', sans-serif;
}

.int-poster-subtitle {
    color: rgba(255,255,255,0.95);
    margin: 0 0 20px; font-size: 0.95rem; line-height: 1.55;
}

.int-poster-features {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 10px; margin-bottom: 22px;
}
.int-poster-features > div {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 10px; padding: 10px 8px;
    text-align: center;
}
.int-poster-features strong {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem; color: #fbbf24; line-height: 1;
}
.int-poster-features span {
    display: block; font-size: 0.7rem;
    opacity: 0.92; margin-top: 4px;
    text-transform: uppercase; letter-spacing: 0.5px;
}

.int-poster-cta {
    display: inline-flex; align-items: center; gap: 10px;
    background: #fff; color: #a4243b;
    padding: 14px 26px; border-radius: 50px;
    text-decoration: none; font-weight: 700; font-size: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transition: all 0.2s; margin-bottom: 14px;
}
.int-poster-cta:hover {
    transform: translateY(-3px); color: #a4243b;
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
    background: #fef2f2;
}
.int-poster-cta i:last-child { transition: transform 0.2s; }
.int-poster-cta:hover i:last-child { transform: translateX(5px); }

.int-poster-note {
    color: rgba(255,255,255,0.92);
    font-size: 0.82rem; margin: 0;
}
.int-poster-note i { color: #fbbf24; margin-right: 6px; }

/* QR (Right side) */
.int-poster-right { text-align: center; }
.int-poster-qr-wrap {
    background: #fff; padding: 14px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    display: inline-block; margin-bottom: 14px;
}
.int-poster-qr-wrap img { width: 200px; height: 200px; display: block; }
.int-poster-qr-label {
    color: #fff; margin: 0;
    font-weight: 600; font-size: 0.95rem;
}
.int-poster-qr-label small {
    font-size: 0.78rem; opacity: 0.92; font-weight: 400;
}
.int-poster-qr-label i { margin-right: 6px; color: #fbbf24; }

/* BOTTOM STRIPE */
.int-poster-bottom {
    background: #1f2937; color: #fff;
    padding: 12px 30px; text-align: center;
    font-size: 0.85rem; font-weight: 500;
    border-radius: 0 0 14px 14px;
}
.int-poster-bottom i { margin-right: 8px; color: #fbbf24; }

/* FLOATING BUTTON */
.int-float-btn {
    position: fixed; bottom: 24px; right: 24px;
    background: linear-gradient(135deg, #04922a, #4ced8c);
    color: #fff; padding: 14px 22px;
    border-radius: 50px; text-decoration: none;
    font-weight: 600; font-size: 0.92rem;
    box-shadow: 0 8px 24px rgba(164,36,59,0.4);
    z-index: 9998;
    display: flex !important; align-items: center; gap: 10px;
    animation: int-float-pulse 2.5s ease-in-out infinite;
    transition: all 0.2s;
}
@keyframes int-float-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 24px rgba(164,36,59,0.4); }
    50% { transform: scale(1.06); box-shadow: 0 10px 30px rgba(164,36,59,0.55); }
}
.int-float-btn:hover {
    color: #fff; transform: scale(1.08);
    box-shadow: 0 12px 30px rgba(164,36,59,0.5);
}
.int-float-btn i { font-size: 1rem; }

/* RESPONSIVE */
@media (max-width: 768px) {
    .int-poster-overlay { padding: 10px; }
    .int-poster { border-width: 4px; outline-offset: -7px; }
    .int-poster-stripe { padding: 8px 16px; font-size: 0.75rem; }
    .int-poster-main {
        grid-template-columns: 1fr;
        padding: 22px 20px; gap: 20px;
        text-align: center;
    }
    .int-poster-title { font-size: 1.9rem; }
    .int-poster-title span { font-size: 1.05rem; }
    .int-poster-subtitle { font-size: 0.85rem; }
    .int-poster-badge { font-size: 0.68rem; padding: 4px 10px; }
    .int-poster-features { gap: 6px; margin-bottom: 16px; }
    .int-poster-features > div { padding: 8px 4px; }
    .int-poster-features strong { font-size: 1.2rem; }
    .int-poster-features span { font-size: 0.6rem; }
    .int-poster-cta { padding: 12px 20px; font-size: 0.92rem; width: 100%; justify-content: center; }
    .int-poster-qr-wrap { padding: 10px; }
    .int-poster-qr-wrap img { width: 150px; height: 150px; }
    .int-poster-qr-label { font-size: 0.82rem; }
    .int-poster-bottom { padding: 10px 16px; font-size: 0.75rem; }
    .int-float-btn { bottom: 16px; right: 16px; padding: 14px; font-size: 0; }
    .int-float-btn span { display: none; }
    .int-float-btn i { font-size: 1.3rem; }
}

/* HERO */
.og-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    padding: 50px 0 80px;
    position: relative;
    overflow: hidden;
}
.og-hero::before {
    content: '';
    position: absolute;
    width: 350px; height: 350px;
    border-radius: 50%;
    opacity: 0.08;
    background: #fff;
    top: -180px; right: -80px;
}
.og-hero-title { color: #fff; margin: 0; font-size: 2.4rem; font-family: 'Playfair Display', serif; position: relative; }
.og-hero-sub { color: rgba(255,255,255,0.92); margin: 8px 0 0; font-size: 1.05rem; position: relative; }

.og-section { padding: 0 0 60px; background: #f9fafb; margin-top: -40px; position: relative; }
.og-section .container > * { position: relative; z-index: 2; }

/* TREE WRAPPER */
.og-tree-wrap {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 6px 30px rgba(0,0,0,0.07);
    padding: 40px 30px;
}

/* ROWS */
.og-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin: 0 0 8px;
}
.og-row-center { justify-content: center; }
.og-row-3 {
    align-items: flex-start;
    gap: 20px;
}

/* BRANCH (column container) */
.og-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 280px;
    min-width: 0;
}

/* NODES (CARDS) */
.og-node {
    background: #fff;
    border-radius: 14px;
    padding: 18px 20px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 180px;
    width: 100%;
    position: relative;
    border: 2px solid transparent;
    animation: fadeInUp 0.5s ease-out backwards;
}
.og-node:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 30px rgba(0,0,0,0.12);
}

.og-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 10px;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.og-label {
    font-weight: 700;
    font-size: 1rem;
    color: #1f2937;
    line-height: 1.3;
    font-family: 'Poppins', sans-serif;
}
.og-sublabel {
    font-size: 0.75rem;
    color: #888;
    margin-top: 4px;
    font-weight: 500;
}

/* NODE COLOR VARIANTS */
.og-principal {
    background: linear-gradient(135deg, var(--primary) 0%, #c0455a 100%);
    color: #fff;
    border-color: transparent;
    min-width: 240px;
    box-shadow: 0 8px 24px rgba(164, 36, 59, 0.3);
}
.og-principal .og-icon { background: rgba(255,255,255,0.25); backdrop-filter: blur(10px); }
.og-principal .og-label { color: #fff; font-size: 1.2rem; }
.og-principal .og-sublabel { color: rgba(255,255,255,0.85); }

.og-heads { border-color: #10b981; background: linear-gradient(180deg, #ecfdf5, #fff); }
.og-heads .og-icon { background: linear-gradient(135deg, #10b981, #059669); }

.og-iqac {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}
.og-iqac .og-icon { background: rgba(255,255,255,0.25); }
.og-iqac .og-label { color: #fff; }
.og-iqac .og-sublabel { color: rgba(255,255,255,0.85); }

.og-coord { border-color: #7c3aed; background: linear-gradient(180deg, #f5f3ff, #fff); }
.og-coord .og-icon { background: linear-gradient(135deg, #7c3aed, #5b21b6); }

.og-leaf {
    padding: 14px 16px;
    min-width: 160px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.og-leaf .og-icon { width: 44px; height: 44px; font-size: 1.1rem; }
.og-leaf .og-label { font-size: 0.88rem; }

.og-leaf-green { border-color: #34d399; background: #f0fdf4; }
.og-leaf-green .og-icon { background: #10b981; }

.og-leaf-purple { border-color: #a78bfa; background: #faf5ff; }
.og-leaf-purple .og-icon { background: #7c3aed; }

.og-orange { border-color: #f59e0b; background: linear-gradient(180deg, #fffbeb, #fff); }
.og-orange .og-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }

.og-red { border-color: #ef4444; background: linear-gradient(180deg, #fef2f2, #fff); }
.og-red .og-icon { background: linear-gradient(135deg, #ef4444, #dc2626); }

.og-amber { border-color: #d97706; background: linear-gradient(180deg, #fef3c7, #fff); }
.og-amber .og-icon { background: linear-gradient(135deg, #d97706, #b45309); }

/* ARROWS */
.og-arrow {
    color: #cbd5e1;
    font-size: 1.4rem;
    text-align: center;
    margin: 14px 0;
    animation: arrowBounce 2s ease-in-out infinite;
}
.og-arrow-small {
    font-size: 1rem;
    margin: 8px 0;
}
@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* DIVIDER */
.og-divider {
    text-align: center;
    margin: 40px 0 25px;
    position: relative;
}
.og-divider::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e5e7eb, transparent);
}
.og-divider span {
    position: relative;
    background: #fff;
    padding: 8px 22px;
    border-radius: 22px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.92rem;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.og-divider span i { color: #2563eb; }

/* DETAIL GRID (Committees + Bursar) */
.og-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 22px;
    margin-top: 24px;
}

.og-detail-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.3s;
}
.og-detail-card:hover { box-shadow: 0 10px 28px rgba(0,0,0,0.08); }

.og-detail-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    color: #fff;
}
.og-detail-header i { font-size: 1.3rem; }
.og-detail-header h3 {
    margin: 0; flex: 1;
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
}
.og-count {
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(10px);
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.og-detail-orange .og-detail-header { background: linear-gradient(135deg, #f59e0b, #d97706); }
.og-detail-amber .og-detail-header { background: linear-gradient(135deg, #d97706, #b45309); }

/* COMMITTEES GRID */
.og-committees-grid {
    padding: 20px 22px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
}
.og-cmt {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border-radius: 8px;
    color: #92400e;
    font-size: 0.86rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s;
    cursor: default;
}
.og-cmt:hover {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    transform: translateX(3px);
}
.og-cmt i { color: #f59e0b; font-size: 0.95rem; flex-shrink: 0; }

/* BURSAR FLOW */
.og-bursar-flow {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.og-bursar-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 10px;
}
.og-bursar-circle {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(217, 119, 6, 0.3);
}
.og-bursar-name { font-weight: 700; color: #92400e; font-size: 0.95rem; }
.og-bursar-role { font-size: 0.75rem; color: #b45309; margin-top: 2px; }
.og-bursar-line {
    width: 2px;
    height: 14px;
    background: #d97706;
    margin: 0 auto;
    opacity: 0.4;
}

/* ANIMATIONS */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.og-row .og-node:nth-child(1), .og-row .og-branch:nth-child(1) .og-node { animation-delay: 0.05s; }
.og-row .og-branch:nth-child(2) .og-node { animation-delay: 0.15s; }
.og-row .og-branch:nth-child(3) .og-node { animation-delay: 0.25s; }

/* NOTES */
.og-note {
    background: #fff;
    padding: 24px 28px;
    border-radius: 12px;
    border-left: 5px solid var(--secondary);
    margin-top: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.og-note h4 {
    margin: 0 0 12px;
    color: var(--secondary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.og-note p { color: #555; margin: 0; line-height: 1.65; font-size: 0.95rem; }

/* RESPONSIVE - MOBILE */
@media (max-width: 992px) {
    .og-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .og-tree-wrap { padding: 25px 16px; border-radius: 14px; }
    .og-hero-title { font-size: 1.8rem; }
    .og-row-3 { flex-direction: column; align-items: center; gap: 14px; }
    .og-branch { max-width: 340px; width: 100%; }
    .og-node { padding: 14px 16px; min-width: 0; }
    .og-icon { width: 48px; height: 48px; font-size: 1.2rem; margin-bottom: 8px; }
    .og-label { font-size: 0.92rem; }
    .og-sublabel { font-size: 0.7rem; }
    .og-principal { min-width: 200px; }
    .og-principal .og-label { font-size: 1.05rem; }
    .og-leaf .og-icon { width: 38px; height: 38px; font-size: 0.95rem; }
    .og-leaf .og-label { font-size: 0.82rem; }
    .og-divider { margin: 25px 0 18px; }
    .og-divider span { font-size: 0.8rem; padding: 6px 16px; }
    .og-committees-grid { grid-template-columns: 1fr; padding: 16px; gap: 8px; }
    .og-cmt { font-size: 0.82rem; padding: 9px 12px; }
    .og-detail-header { padding: 14px 18px; }
    .og-detail-header h3 { font-size: 1.1rem; }
    .og-count { width: 32px; height: 32px; font-size: 0.85rem; }
    .og-bursar-flow { padding: 16px; }
    .og-bursar-item { padding: 10px 14px; }
    .og-bursar-circle { width: 38px; height: 38px; font-size: 0.95rem; }
    .og-bursar-name { font-size: 0.88rem; }
}

@media (max-width: 480px) {
    .og-tree-wrap { padding: 20px 12px; }
    .og-hero-title { font-size: 1.5rem; }
    .og-icon { width: 42px; height: 42px; font-size: 1.05rem; }
    .og-label { font-size: 0.88rem; }
    .og-principal { padding: 16px 18px; }
}