.container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* Header Section */
        .header {
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1559136555-9303baea8ebd?q=80&w=2940&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') center/cover no-repeat;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
        }

        .header-content {
            opacity: 0;
            animation: fadeIn 1.5s ease-in-out forwards;
        }

        .header h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            letter-spacing: 2px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            cursor: pointer;
        }

        .header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }

        

        .section {
            padding: 50px 0;
        }

        .section:nth-child(odd) {
            background-color: #fff;
        }

        .section:nth-child(even) {
            background-color: #f5f5f5;
        }

        .section-title {
            position: relative;
            font-size: 2.5rem;
            margin-bottom: 50px;
            padding-bottom: 20px;
            display: inline-block;
            text-align: center;
            width: 100%;
            cursor: pointer;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 4px;
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            transition: width 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        }

        .section-title:hover::after {
            width: 100px;
        }

        /* About Section */
        .about-content {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .about-text {
            line-height: 1.8;
            text-align: center;
            font-size: 1.1rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 1s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        /* Theme Section */
        .theme-content {
            display: flex;
            flex-direction: column;
            gap: 30px;
            text-align: center;
        }

        .theme-title {
            font-size: 2rem;
            color: #0d47a1;
            margin-bottom: 20px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .theme-title:hover {
            color: #1a237e;
        }

        .theme-text {
            line-height: 1.8;
            font-size: 1.1rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 1s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        /* Vision & Mission Section */
        .vision-mission {
            display: flex;
            justify-content: space-between;
            gap: 30px;
            margin-top: 20px;
        }

        .vision-card,
        .mission-card {
            flex: 1;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            z-index: 1;
            background-color: white;
            opacity: 0;
            transform: translateY(30px);
        }

        .vision-card::before,
        .mission-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.05), rgba(13, 71, 161, 0.1));
            transform: translateY(100%);
            transition: transform 0.5s ease;
            z-index: -1;
        }

        .vision-card:hover,
        .mission-card:hover {
            transform: translateY(-15px) scale(1.03);
            box-shadow: 0 20px 35px rgba(26, 35, 126, 0.2);
        }

        .vision-card:hover::before,
        .mission-card:hover::before {
            transform: translateY(0);
        }

        .vm-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 20px;
            color: #1a237e;
            transition: transform 0.5s ease, color 0.5s ease;
            cursor: pointer;
        }

        .vision-card:hover .vm-icon,
        .mission-card:hover .vm-icon {
            transform: scale(1.2);
            color: #0d47a1;
        }

        .vision-card h3,
        .mission-card h3 {
            margin-bottom: 15px;
            font-size: 1.5rem;
            transition: color 0.3s ease;
            cursor: pointer;
        }

        .vision-card:hover h3,
        .mission-card:hover h3 {
            color: #1a237e;
        }

        .vision-card p,
        .mission-card p {
            line-height: 1.6;
            color: #666;
        }

        /* Mission Points */
        .mission-points {
            list-style-type: none;
            padding: 0;
            margin: 0;
        }

        .mission-points li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 15px;
            line-height: 1.6;
            color: #666;
        }

        .mission-points li:before {
            content: "•";
            position: absolute;
            left: 0;
            color: #1a237e;
            font-size: 1.5em;
            line-height: 1;
        }

        .mission-points li:last-child {
            margin-bottom: 0;
        }

        /* Objectives Section */
        .objectives-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .objective-card {
            background-color: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
            opacity: 0;
            transform: translateY(50px);
            position: relative;
            z-index: 1;
            overflow: hidden;
            cursor: pointer;
        }

        .objective-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.05), rgba(13, 71, 161, 0.1));
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: -1;
        }

        .objective-card:hover {
            transform: scale(1.05) translateY(-10px);
            box-shadow: 0 15px 30px rgba(13, 71, 161, 0.15);
        }

        .objective-card:hover::after {
            opacity: 1;
        }

        .objective-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-bottom: 20px;
            transition: transform 0.4s ease;
            cursor: pointer;
        }

        .objective-card:hover .objective-number {
            transform: scale(1.1);
        }

        .objective-card p {
            line-height: 1.6;
            color: #666;
        }

        /* SDGs Section */
        .sdgs-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 50px;
        }

        .sdg-card {
            background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 8px 25px rgba(26, 35, 126, 0.08);
            transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            opacity: 0;
            transform: translateY(30px) rotateX(15deg);
            position: relative;
            overflow: hidden;
            cursor: pointer;
            border: 2px solid transparent;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .sdg-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(26, 35, 126, 0.1), transparent);
            transition: left 0.6s;
        }

        .sdg-card:hover::before {
            left: 100%;
        }

        .sdg-card:hover {
            transform: translateY(-8px) rotateX(0deg);
            box-shadow: 0 15px 35px rgba(26, 35, 126, 0.15);
            border-color: rgba(26, 35, 126, 0.2);
        }

        .sdg-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #ffffff, #f0f0f0);
            color: white;
            border-radius: 12px;
            font-weight: bold;
            font-size: 1.2rem;
            margin-bottom: 15px;
            transition: transform 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .sdg-logo {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            object-fit: contain;
            opacity: 0.9;
            border-radius: 8px;
        }

        .sdg-card:hover .sdg-number {
            transform: scale(1.1) rotate(5deg);
        }

        .sdg-logo[src=""], .sdg-logo:not([src]) {
            display: none;
        }

        .sdg-logo::after {
            content: attr(alt);
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 0.8rem;
            text-align: center;
            color: white;
        }

        .sdg-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a237e;
            margin-bottom: 8px;
            line-height: 1.4;
            text-align: center;
        }

        /* Call for Papers Section */
        .call-papers-intro {
            text-align: center;
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 50px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 1s ease;
        }

        .conferences-container {
            display: flex;
            flex-direction: column;
            gap: 50px;
            margin-top: 40px;
        }

        .conference-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateX(-50px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border-left: 5px solid transparent;
        }

        .conference-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            transform: scaleY(0);
            transition: transform 0.6s ease;
        }

        .conference-card:hover::after {
            transform: scaleY(1);
        }

        .conference-card:nth-child(even) {
            transform: translateX(50px);
        }

        .conference-card:hover {
            transform: translateX(0) translateY(-5px);
            box-shadow: 0 20px 40px rgba(26, 35, 126, 0.15);
            border-left-color: #1a237e;
        }

        .conference-title {
            font-size: 1.8rem;
            color: #1a237e;
            margin-bottom: 20px;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }

        .conference-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            transition: width 0.5s ease;
        }

        .conference-card:hover .conference-title::after {
            width: 100%;
        }

        .conference-subtitle {
            font-size: 1.3rem;
            color: #0d47a1;
            margin-bottom: 25px;
            font-weight: 600;
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }

        .topic-category {
            background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid rgba(26, 35, 126, 0.1);
            transition: all 0.4s ease;
            cursor: pointer;
        }

        .topic-category:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 35, 126, 0.12);
            border-color: rgba(26, 35, 126, 0.2);
        }

        .topic-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a237e;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topic-title::before {
            content: "▶";
            font-size: 0.8rem;
            transition: transform 0.3s ease;
        }

        .topic-category:hover .topic-title::before {
            transform: rotate(90deg);
        }

        .topic-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .topic-list li {
            position: relative;
            padding-left: 15px;
            margin-bottom: 8px;
            font-size: 0.95rem;
            color: #555;
            line-height: 1.4;
        }

        .topic-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: #0d47a1;
            font-weight: bold;
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .container {
                padding: 0 30px;
            }
            
            .section {
                padding: 30px 0;
            }
            
            .vision-mission {
                flex-direction: column;
            }
            
            .topics-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 25px;
            }
            
            .section {
                padding: 35px 0;
            }
            
            .header h1 {
                font-size: 2.5rem;
            }

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

            .theme-title {
                font-size: 1.7rem;
            }

            .mission-points li {
                font-size: 0.95rem;
                padding-left: 20px;
            }

            .mission-card,
            .vision-card {
                padding: 20px;
            }

            .conference-card {
                padding: 25px;
            }

            .conference-title {
                font-size: 1.5rem;
            }

            .conference-subtitle {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 20px;
            }
            
            .section {
                padding: 25px 0;
            }
            
            .header h1 {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .theme-title {
                font-size: 1.5rem;
            }

            .mission-points li {
                font-size: 0.9rem;
                padding-left: 18px;
            }

            .mission-card,
            .vision-card {
                padding: 15px;
            }

            .objective-card {
                padding: 20px;
            }

            .conference-card {
                padding: 20px;
            }

            .conference-title {
                font-size: 1.3rem;
            }

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