@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Montserrat:wght@400;600;700&display=swap');



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

        /* Header Section */
        .summit-hero-header {
            height: 50vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1491336477066-31156b5e4f35?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;
        }

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

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

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

        /* Summit Details Section */
        .summit-details-section {
            padding: 100px 0;
            background-color: #fff;
        }

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

        .summit-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);
        }

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

        .summit-tabs-nav {
            display: flex;
            justify-content: center;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .summit-tab-link {
            padding: 15px 30px;
            font-size: 1.1rem;
            background-color: white;
            border: none;
            cursor: pointer;
            margin: 0 10px 10px;
            border-radius: 5px;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            overflow: hidden;
            z-index: 1;
            color: #333;
            font-weight: 500;
        }

        .summit-tab-link::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(135deg, #1a237e, #0d47a1);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.5s ease;
            z-index: -1;
        }

        .summit-tab-link:hover::before,
        .summit-tab-link.active::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        .summit-tab-link:hover,
        .summit-tab-link.active {
            background-color: #e9e9e9;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 35, 126, 0.1);
        }

        .summit-tab-link.active {
            color: #0d47a1;
            font-weight: 600;
        }

        .summit-tabs-content {
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }

        .summit-info-card {
            max-width: 900px;
            width: 100%;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            background-color: white;
            position: relative;
            z-index: 1;
            overflow: hidden;
            display: none;
            animation: fadeIn 0.5s ease-in-out forwards;
            transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
            background: linear-gradient(to bottom, #e0e0e085, #00000024);
            cursor: pointer;
        }

        .summit-info-card.active {
            display: block;
        }

        .summit-info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, #1a237e, #0d47a1);
            z-index: -1;
        }

        .summit-info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(13, 71, 161, 0.15);
        }

        .summit-info-text {
            position: relative;
        }

        .summit-info-text::before {
            font-family: Georgia, serif;
            font-size: 5rem;
            color: rgba(26, 35, 126, 0.1);
            position: absolute;
            top: -20px;
            left: -20px;
            z-index: -1;
        }

        .summit-info-text h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            color: #0d47a1;
            text-align: center;
            font-weight: 600;
        }

        .summit-info-text p {
            line-height: 1.8;
            color: #555;
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1rem;
        }

        .summit-info-text ul {
            margin: 20px 0;
            padding-left: 30px;
        }

        .summit-info-text ul li {
            margin-bottom: 8px;
            color: #555;
            list-style: disc;
        }

        .summit-info-signature {
            font-family: 'Brush Script MT', cursive;
            font-size: 1.8rem;
            color: #1a237e;
            margin-top: 30px;
            display: block;
            text-align: right;
            font-weight: bold;
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .summit-hero-header h1 {
                font-size: 2.5rem;
            }
            .summit-section-title {
                font-size: 2rem;
            }
            .summit-info-card {
                padding: 25px;
            }
            .summit-info-text h3 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .summit-tabs-nav {
                flex-direction: column;
                align-items: center;
            }
            .summit-tab-link {
                width: 80%;
                margin-bottom: 10px;
            }
            .summit-hero-header h1 {
                font-size: 2rem;
            }
        }