/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-maroon: #800020;
    --secondary-maroon: #a0002a;
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --gold: #fbbf24;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-maroon);
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-maroon);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-maroon);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-maroon);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--primary-maroon) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('campus-drone-shot-25-june-2024.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,300 1000,1000 0,700"/></svg>');
    background-size: cover;
    z-index: 2;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 3;
}

.logos-container {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.org-logo {
    height: 100px;
    width: auto;
    /* aspect-ratio: 1.5/2 ; */
    max-width: 180px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2.5rem;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-subsubtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-details {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.detail-item i {
    color: var(--gold);
}

.cta-button {
    background: var(--gold);
    color: var(--dark-gray);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.alt-bg {
    background: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-maroon);
    margin-bottom: 20px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-maroon), var(--primary-blue));
    margin: 0 auto;
    border-radius: 2px;
}

/* Content Styles */
.content-grid {
    display: grid;
    gap: 40px;
    align-items: center;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 30px;
    text-align: justify;
}

.highlight-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.point {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.point:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.point i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.point h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-maroon);
}

.point p {
    text-align: justify;
}

/* Content Card */
.content-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-maroon);
}

.content-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--gray);
    text-align: justify;
}

.concept-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.highlight {
    padding: 25px;
    background: var(--light-gray);
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.highlight h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 10px;
}

.highlight p {
    text-align: justify;
}

/* About Styles */
.about-grid {
    display: grid;
    gap: 40px;
}

.about-text p {
    text-align: justify;
    margin-bottom: 20px;
}

.mco-values {
    display: grid;
    gap: 25px;
    margin-top: 30px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateX(10px);
}

.value-item i {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-top: 5px;
}

.value-item h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 5px;
}

.value-item p {
    text-align: justify;
}

/* Initiative Styles */
.initiative-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pillar {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.pillar:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pillar-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pillar-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.pillar h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-maroon);
}

.pillar p {
    text-align: justify;
}

/* AIUB Styles */
.aiub-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.aiub-text p {
    text-align: justify;
    margin-bottom: 20px;
}

.aiub-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-maroon);
    margin-bottom: 5px;
}

.stat p {
    color: var(--gray);
    font-weight: 500;
}

.aiub-features {
    display: grid;
    gap: 25px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateX(10px);
}

.feature i {
    font-size: 1.8rem;
    color: var(--primary-blue);
}

.feature h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 5px;
}

.feature p {
    text-align: justify;
}

/* AIUB Gallery Styles */
.aiub-gallery {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(128, 0, 32, 0.1);
}

.gallery-header {
    text-align: center;
    margin-bottom: 40px;
}

.gallery-header h3 {
    font-size: 2rem;
    color: var(--primary-maroon);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.gallery-header h3 i {
    color: var(--primary-blue);
}

.gallery-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    height: 400px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item.main-image {
    grid-row: 1 / -1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-info h4 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.gallery-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        height: auto;
    }
    
    .gallery-item.main-image {
        grid-row: auto;
    }
    
    .gallery-item {
        height: 200px;
    }
}

/* Single Column Gallery Styles */
.aiub-gallery-single {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(128, 0, 32, 0.1);
    width: 100%;
}

.gallery-grid-single {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.gallery-grid-single .gallery-item {
    height: 120px;
    width: 120px;
    justify-self: center;
    aspect-ratio: 1;
    position: relative;
    border-radius: 8px;
    overflow: visible;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
    cursor: pointer;
}

.gallery-grid-single .gallery-item .gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

/* Popup zoom effect */
.gallery-grid-single .gallery-item .gallery-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 640px;
    height: 480px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1000;
    overflow: hidden;
    pointer-events: none;
}

.gallery-grid-single .gallery-item:hover .gallery-popup {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    pointer-events: all;
}

.gallery-grid-single .gallery-item .gallery-popup .popup-image {
    width: 100%;
    height: 70%;
    object-fit: cover;
    display: block;
}

.gallery-grid-single .gallery-item .gallery-popup .popup-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.95), rgba(46, 204, 113, 0.95));
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.gallery-grid-single .gallery-item .gallery-popup .popup-content h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.gallery-grid-single .gallery-item .gallery-popup .popup-content p {
    font-size: 1rem;
    margin: 0;
    opacity: 0.95;
}

/* Original overlay for small preview */
.gallery-grid-single .gallery-item .gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.9), rgba(46, 204, 113, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
}

.gallery-grid-single .gallery-item:hover .gallery-overlay {
    opacity: 0.8;
}

.gallery-grid-single .gallery-info h4 {
    font-size: 0.8rem;
    margin-bottom: 3px;
    font-weight: 600;
}

.gallery-grid-single .gallery-info p {
    font-size: 0.7rem;
    margin: 0;
    opacity: 0.9;
}

/* Responsive Single Column Gallery */
@media (max-width: 768px) {
    .gallery-grid-single {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 12px;
        max-width: 400px;
    }
    
    .gallery-grid-single .gallery-item {
        height: 100px;
        width: 100px;
    }
    
    .gallery-grid-single .gallery-item .gallery-popup {
        width: 90vw;
        height: 60vh;
        max-width: 400px;
        max-height: 300px;
    }
    
    .gallery-grid-single .gallery-item .gallery-popup .popup-content h4 {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }

    .gallery-grid-single .gallery-item .gallery-popup .popup-content p {
        font-size: 0.9rem;
    }
    
    .gallery-grid-single .gallery-info h4 {
        font-size: 0.7rem;
        margin-bottom: 2px;
    }

    .gallery-grid-single .gallery-info p {
        font-size: 0.6rem;
    }
    
    .aiub-gallery-single {
        margin-top: 30px;
        padding-top: 30px;
    }
}

/* Venue Styles */
.venue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.venue-info h3 {
    font-size: 1.8rem;
    color: var(--primary-maroon);
    margin-bottom: 20px;
    font-weight: 600;
}

.venue-info p {
    text-align: justify;
}

.venue-details {
    margin-top: 30px;
    display: grid;
    gap: 20px;
}

.detail {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.detail i {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-top: 2px;
}

.detail h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 5px;
}

.map-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    position: relative;
    background: var(--light-gray);
    border-radius: 15px;
    overflow: hidden;
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--gray);
}

.map-overlay i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.interactive-map {
    margin-top: 30px;
}

.interactive-map h4 {
    font-size: 1.5rem;
    color: var(--primary-maroon);
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;
}

.google-map-iframe {
    width: 100%;
    height: 400px;
    border: 0;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* Projects Styles */
.projects-container {
    display: grid;
    gap: 60px;
}

.project-section {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-maroon);
}

.project-header {
    margin-bottom: 40px;
}

.project-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-maroon);
    margin-bottom: 25px;
    text-align: center;
}

.project-abstract {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.project-abstract h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-maroon);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-abstract h4 i {
    color: var(--primary-blue);
}

.project-abstract p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray);
    text-align: justify;
}

.project-members h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-maroon);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: center;
    justify-content: center;
}

.project-members h4 i {
    color: var(--primary-blue);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .projects-container {
        gap: 30px;
    }
    
    .project-section {
        padding: 25px;
        margin: 0 10px;
    }
    
    .project-title {
        font-size: 1.4rem;
        line-height: 1.3;
    }
    
    .project-abstract {
        padding: 20px;
    }
    
    .project-abstract h4 {
        font-size: 1.1rem;
    }
    
    .project-abstract p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .project-members h4 {
        font-size: 1.2rem;
    }
    
    .members-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Accommodations Styles */
.accommodations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.accommodation-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.accommodation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.accommodation-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.hotel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.accommodation-card:hover .hotel-image {
    transform: scale(1.05);
}

.accommodation-content {
    padding: 20px;
    text-align: center;
}

.accommodation-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-maroon);
    margin-bottom: 10px;
}

.accommodation-content h4 a {
    color: var(--primary-maroon);
    text-decoration: none;
    transition: var(--transition);
}

.accommodation-content h4 a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

.accommodation-type {
    color: var(--gray);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.accommodation-distance {
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Schedule Styles */
.schedule-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.schedule-day h3 {
    font-size: 1.8rem;
    color: var(--primary-maroon);
    margin-bottom: 30px;
    font-weight: 600;
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--primary-blue));
    color: var(--white);
    border-radius: 10px;
}

.schedule-items {
    display: grid;
    gap: 20px;
}

.schedule-item {
    display: flex;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.schedule-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.time {
    background: var(--primary-blue);
    color: var(--white);
    padding: 20px;
    font-weight: 600;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.event-details {
    padding: 20px;
    flex: 1;
}

.event-details h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 5px;
}

.event-details p {
    color: var(--gray);
    text-align: justify;
}

/* Contact Styles */
.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    max-width: 800px;
    width: 100%;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-maroon);
    margin-bottom: 20px;
    font-weight: 600;
}

.contact-info p {
    text-align: justify;
}

.contact-items {
    margin-top: 30px;
    display: grid;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-top: 2px;
}

.contact-item h4 {
    color: var(--primary-maroon);
    font-weight: 600;
    margin-bottom: 5px;
}

/* Form Styles */
.contact-form h3 {
    font-size: 1.8rem;
    color: var(--primary-maroon);
    margin-bottom: 30px;
    font-weight: 600;
}

.form {
    display: grid;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-maroon), var(--primary-blue));
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    justify-self: start;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
    text-align: center;
}

.footer-section p {
    text-align: justify;
}

.footer-section ul {
    list-style: none;
    display: grid;
    gap: 10px;
    text-align: center;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-maroon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.visitor-counter {
    margin-top: 30px;
    text-align: center;
}

.visitor-counter h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white);
}

.counter-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(128, 0, 32, 0.2);
    border-radius: 8px;
    border: 1px solid rgba(128, 0, 32, 0.3);
    margin: 0 auto;
    max-width: fit-content;
}

.counter-display i {
    color: var(--gold);
    font-size: 1.2rem;
}

.counter-display span {
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-bottom {
    border-top: 1px solid #475569;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-details {
        flex-direction: column;
        gap: 15px;
    }

    .logos-container {
        justify-content: center;
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 2rem;
    }

    .aiub-grid,
    .venue-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .schedule-container {
        grid-template-columns: 1fr;
    }

    .highlight-points,
    .initiative-pillars {
        grid-template-columns: 1fr;
    }

    .aiub-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .schedule-item {
        flex-direction: column;
    }

    .time {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .container {
        padding: 0 15px;
    }

    .aiub-stats {
        grid-template-columns: 1fr;
    }
    
    .projects-container {
        gap: 20px;
    }
    
    .project-section {
        padding: 20px;
        margin: 0 5px;
    }
    
    .project-title {
        font-size: 1.2rem;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .project-abstract {
        padding: 15px;
    }
    
    .project-abstract h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .project-abstract p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .project-members h4 {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling enhancement */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* Speakers Section - Horizontal Layout */
.speakers-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Horizontal Speaker Cards */
.speaker-card-horizontal {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.speaker-card-horizontal:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-maroon);
}

.speaker-card-horizontal.expanded {
    border-color: var(--primary-maroon);
    box-shadow: 0 8px 30px rgba(128, 0, 32, 0.2);
    cursor: default;
}

/* Main Speaker Info (Always Visible) */
.speaker-main-info {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    gap: 1.5rem;
}

.speaker-image {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-maroon);
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.speaker-basic-info {
    flex: 1;
    min-width: 0;
}

.speaker-basic-info h4 {
    color: var(--primary-maroon);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.speaker-title {
    color: var(--primary-blue);
    font-weight: 500;
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
}

.speaker-affiliation {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.speaker-actions {
    flex-shrink: 0;
}

/* Expand Indicator (replaces button) */
.expand-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-maroon), #a0002d);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.expand-indicator:hover {
    background: linear-gradient(135deg, #a0002d, var(--primary-maroon));
    transform: scale(1.1);
}

.expand-indicator i {
    transition: transform 0.3s ease;
    font-size: 1rem;
}

.speaker-card-horizontal.expanded .expand-indicator i {
    transform: rotate(180deg);
}

/* Hide old toggle button styles */
.toggle-details-btn {
    display: none;
}

/* Horizontal Details Panel */
.speaker-details-horizontal {
    max-height: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9ff, #fff5f7);
    border-top: 1px solid rgba(128, 0, 32, 0.1);
    transition: max-height 0.4s ease, padding 0.4s ease;
    position: relative;
}

.speaker-details-horizontal.expanded {
    max-height: 400px;
    padding: 2rem 1.5rem;
}

.details-content {
    display: block;
    position: relative;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 10px;
}

.details-content::-webkit-scrollbar {
    width: 6px;
}

.details-content::-webkit-scrollbar-track {
    background: rgba(128, 0, 32, 0.1);
    border-radius: 3px;
}

.details-content::-webkit-scrollbar-thumb {
    background: var(--primary-maroon);
    border-radius: 3px;
}

.details-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-maroon);
}

.bio-section, .project-section {
    position: relative;
}

.bio-section h5, .project-section h5 {
    color: var(--primary-maroon);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bio-section h5 i, .project-section h5 i {
    color: var(--primary-blue);
}

.bio-section p, .project-section p {
    color: #444;
    line-height: 1.6;
    text-align: justify;
    margin: 0;
}

/* Close Button - Only visible when expanded */
.close-details-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-maroon);
    color: white;
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
}

.speaker-details-horizontal.expanded .close-details-btn {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.close-details-btn:hover {
    background: #a0002d;
    transform: rotate(90deg) scale(1.1);
}

/* Responsive Design for Horizontal Layout */
@media (max-width: 768px) {
    .speaker-main-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .speaker-image {
        width: 80px;
        height: 80px;
    }
    
    .details-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-height: 250px;
        overflow-y: auto;
    }
    
    .speaker-details-horizontal.expanded {
        max-height: 320px;
        padding: 1.5rem 1rem;
    }
    
    .close-details-btn {
        top: 0.5rem;
        right: 0.5rem;
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .speaker-main-info {
        padding: 1rem;
    }
    
    .speaker-basic-info h4 {
        font-size: 1.1rem;
    }
    
    .toggle-details-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Messages Section */
.messages-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.message-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(128, 0, 32, 0.1);
    position: relative;
}

.message-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.message-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon), var(--gold));
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.message-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 35px 40px;
    display: flex;
    align-items: center;
    gap: 25px;
    position: relative;
    overflow: hidden;
}

.message-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(128, 0, 32, 0.05));
}

.message-logo-prominent {
    position: relative;
    z-index: 2;
}

.org-logo-large {
    width: 120px;
    height: 120px;
    object-fit: cover;
    background: var(--white);
    border-radius: 50%;
    padding: 8px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border: 4px solid var(--primary-maroon);
    transition: var(--transition);
}

.message-card:hover .org-logo-large {
    transform: scale(1.08) rotate(3deg);
    box-shadow: 0 16px 40px rgba(128, 0, 32, 0.25);
}

.message-author {
    flex: 1;
    z-index: 2;
    position: relative;
}

.message-author h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-gray);
    line-height: 1.3;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.author-title {
    font-size: 1.1rem;
    color: var(--primary-maroon);
    font-weight: 500;
    font-style: italic;
}

.message-content {
    padding: 40px;
    position: relative;
    background: linear-gradient(180deg, var(--white) 0%, #fafbfc 100%);
}

.quote-icon {
    position: absolute;
    top: 15px;
    left: 25px;
    z-index: 1;
}

.quote-icon i {
    font-size: 3rem;
    color: var(--primary-maroon);
    opacity: 0.15;
}

.quote-icon-end {
    position: absolute;
    bottom: 15px;
    right: 25px;
    z-index: 1;
}

.quote-icon-end i {
    font-size: 3rem;
    color: var(--primary-maroon);
    opacity: 0.15;
}

.message-quote {
    position: relative;
    z-index: 2;
    margin: 0;
    padding: 20px 40px;
    font-style: italic;
    background: rgba(248, 250, 252, 0.8);
    border-radius: 15px;
    border-left: 4px solid var(--primary-maroon);
}

.message-quote p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 25px;
    text-align: justify;
    position: relative;
}

.message-quote p:last-child {
    margin-bottom: 0;
}

.message-quote em {
    color: var(--primary-maroon);
    font-weight: 500;
    font-size: 1.2rem;
}

/* Decorative elements */
.message-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-maroon), transparent);
    opacity: 0.3;
}

/* Responsive Design for Messages */
@media (max-width: 968px) {
    .message-header {
        padding: 30px 35px;
        gap: 20px;
    }
    
    .org-logo-large {
        width: 100px;
        height: 100px;
        padding: 6px;
    }
    
    .message-author h3 {
        font-size: 1.4rem;
    }
    
    .author-title {
        font-size: 1rem;
    }
    
    .message-content {
        padding: 35px;
    }
    
    .message-quote {
        padding: 15px 30px;
    }
}

@media (max-width: 768px) {
    .messages-container {
        gap: 30px;
    }
    
    .message-header {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
        gap: 20px;
    }
    
    .org-logo-large {
        width: 90px;
        height: 90px;
        padding: 6px;
    }
    
    .message-author h3 {
        font-size: 1.3rem;
    }
    
    .author-title {
        font-size: 0.95rem;
    }
    
    .message-content {
        padding: 25px 20px;
    }
    
    .message-quote {
        padding: 15px 25px;
    }
    
    .message-quote p {
        font-size: 1.05rem;
        margin-bottom: 20px;
    }
    
    .quote-icon i,
    .quote-icon-end i {
        font-size: 2.5rem;
    }
    
    .quote-icon {
        top: 10px;
        left: 15px;
    }
    
    .quote-icon-end {
        bottom: 10px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .message-card {
        border-radius: 15px;
    }
    
    .message-header {
        padding: 20px 15px;
    }
    
    .org-logo-large {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        padding: 5px;
    }
    
    .message-author h3 {
        font-size: 1.2rem;
    }
    
    .message-content {
        padding: 20px 15px;
    }
    
    .message-quote {
        padding: 12px 20px;
        border-radius: 10px;
    }
    
    .message-quote p {
        font-size: 1rem;
        line-height: 1.7;
    }
}

/* Registration Section */
.registration-content {
    max-width: 1100px;
    margin: 0 auto;
}

.registration-message {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px;
    background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(128, 0, 32, 0.1);
}

.message-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon));
    border-radius: 50%;
    margin-bottom: 25px;
    box-shadow: 0 8px 25px rgba(128, 0, 32, 0.2);
}

.message-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.registration-message h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.3;
}

.registration-message .lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 25px;
    text-align: justify;
}

.registration-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(128, 0, 32, 0.05);
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 500;
    color: var(--primary-maroon);
    border-left: 4px solid var(--primary-maroon);
}

.registration-note i {
    font-size: 1.2rem;
}

.registration-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.registration-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(128, 0, 32, 0.1);
}

.registration-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon));
    color: var(--white);
    padding: 25px;
    text-align: center;
}

.card-header i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.card-header h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.card-content {
    padding: 35px 25px;
    text-align: center;
}

.card-content p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.registration-link {
    margin-bottom: 20px;
}

.register-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon));
    color: var(--white);
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(128, 0, 32, 0.2);
}

.register-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(128, 0, 32, 0.3);
    color: var(--white);
    text-decoration: none;
}

.link-note {
    font-size: 0.9rem;
    color: var(--gray);
    font-style: italic;
    margin-top: 10px !important;
    margin-bottom: 0 !important;
}

.qr-code-container {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.qr-placeholder {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border: 3px dashed var(--primary-maroon);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary-maroon);
    transition: var(--transition);
}

.qr-placeholder:hover {
    background: linear-gradient(135deg, rgba(128, 0, 32, 0.05), rgba(128, 0, 32, 0.1));
}

.qr-placeholder i {
    font-size: 3.5rem;
    margin-bottom: 10px;
    opacity: 0.7;
}

.qr-placeholder p {
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0 0 5px 0 !important;
}

.qr-placeholder span {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

.qr-code-image {
    width: 180px;
    height: 180px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.qr-instruction {
    font-size: 0.95rem;
    color: var(--gray);
    font-style: italic;
    margin: 0 !important;
}

.registration-info {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(128, 0, 32, 0.1);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    border-radius: 15px;
    border-left: 4px solid var(--primary-maroon);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-maroon);
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.info-item p {
    font-size: 1rem;
    color: var(--gray);
    margin: 0;
}

.registration-contact {
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon));
    color: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
}

.registration-contact h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.registration-contact > p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.registration-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.registration-contact .contact-item i {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Responsive Design for Registration */
@media (max-width: 968px) {
    .registration-options {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .registration-message {
        padding: 30px;
    }
    
    .registration-message h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .registration-message {
        padding: 25px 20px;
    }
    
    .registration-message h3 {
        font-size: 1.6rem;
    }
    
    .registration-message .lead-text {
        font-size: 1.1rem;
    }
    
    .message-icon {
        width: 70px;
        height: 70px;
    }
    
    .message-icon i {
        font-size: 2rem;
    }
    
    .card-content {
        padding: 25px 20px;
    }
    
    .qr-placeholder, .qr-code-image {
        width: 150px;
        height: 150px;
    }
    
    .qr-placeholder i {
        font-size: 3rem;
    }
    
    .registration-info {
        padding: 25px 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .registration-contact {
        padding: 25px 20px;
    }
    
    .contact-details {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .registration-note {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .register-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .qr-placeholder, .qr-code-image {
        width: 130px;
        height: 130px;
    }
    
    .info-item {
        padding: 15px;
    }
    
    .info-item i {
        font-size: 1.5rem;
    }
}

/* Campus Gallery Carousel */
.aiub-gallery-carousel {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(128, 0, 32, 0.1);
    margin-top: 30px;
}

.gallery-carousel-container {
    margin-bottom: 40px;
}

.gallery-main-display {
    position: relative;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.gallery-main-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.gallery-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-main-image img:hover {
    transform: scale(1.05);
}

.gallery-main-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: 30px 25px 20px;
    text-align: center;
}

.gallery-main-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.gallery-main-info p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.gallery-nav:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.gallery-nav i {
    font-size: 1.2rem;
    color: var(--primary-maroon);
}

.gallery-prev {
    left: 20px;
}

.gallery-next {
    right: 20px;
}

.gallery-thumbnails {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.thumbnail-item {
    position: relative;
    width: 120px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 3px solid transparent;
}

.thumbnail-item.active {
    border-color: var(--primary-maroon);
    transform: scale(1.05);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: var(--white);
    padding: 5px;
    font-size: 0.8rem;
    text-align: center;
    opacity: 0;
    transition: var(--transition);
}

.thumbnail-item:hover .thumbnail-overlay {
    opacity: 1;
}

.thumbnail-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.gallery-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(128, 0, 32, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--primary-maroon);
    transform: scale(1.2);
}

.indicator:hover {
    background: var(--secondary-maroon);
}

.campus-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.info-card {
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(128, 0, 32, 0.1);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-maroon);
}

.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-maroon), var(--secondary-maroon));
    border-radius: 50%;
    margin-bottom: 15px;
}

.info-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.info-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.info-card p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
}

/* Gallery Modal */
.gallery-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    margin: 2% auto;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--white);
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.modal-image-container {
    position: relative;
    max-height: 70vh;
    overflow: hidden;
}

.modal-image-container img {
    width: 100%;
    height: auto;
    display: block;
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.modal-nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    pointer-events: all;
}

.modal-nav-btn:hover {
    background: var(--white);
    transform: scale(1.1);
}

.modal-nav-btn i {
    font-size: 1.5rem;
    color: var(--primary-maroon);
}

.modal-info {
    padding: 25px 30px;
    text-align: center;
}

.modal-info h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.modal-info p {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive Design for Gallery */
@media (max-width: 968px) {
    .gallery-main-image {
        height: 300px;
    }
    
    .campus-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .thumbnail-item {
        width: 100px;
        height: 70px;
    }
    
    .modal-content {
        max-width: 95%;
        margin: 5% auto;
    }
}

@media (max-width: 768px) {
    .aiub-gallery-carousel {
        padding: 20px;
    }
    
    .gallery-main-image {
        height: 250px;
    }
    
    .gallery-nav {
        width: 40px;
        height: 40px;
    }
    
    .gallery-nav i {
        font-size: 1rem;
    }
    
    .gallery-prev {
        left: 10px;
    }
    
    .gallery-next {
        right: 10px;
    }
    
    .thumbnail-item {
        width: 80px;
        height: 60px;
    }
    
    .campus-info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .modal-nav-btn {
        width: 50px;
        height: 50px;
    }
    
    .modal-nav-btn i {
        font-size: 1.2rem;
    }
    
    .modal-close {
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .gallery-main-image {
        height: 200px;
    }
    
    .gallery-thumbnails {
        gap: 10px;
    }
    
    .thumbnail-item {
        width: 70px;
        height: 50px;
    }
    
    .gallery-main-info {
        padding: 20px 15px 15px;
    }
    
    .gallery-main-info h4 {
        font-size: 1.2rem;
    }
    
    .gallery-main-info p {
        font-size: 0.9rem;
    }
    
    .modal-info {
        padding: 20px;
    }
    
    .modal-info h3 {
        font-size: 1.4rem;
    }
    
    .modal-info p {
        font-size: 1rem;
    }
}