@import url("https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap");

:root {
    --primary-color: #2c5cc5;
    --secondary-color: #ff6b35;
    --gradient-color:#3a405e;
    --light-color: #efeff0;
    --dark-color: #212529;
    --success-color: #28a745;
    --text-color: #2c5cc5;
    --text-light: #6c757d;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --border-radius: 12px;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

 body {
    font-family: 'Tajawal', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;

}

/* Header Styles */
    .header {
        background: white;
        padding: 1.2rem 0;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .header-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
                                            

    .logo {
        display: flex;
        align-items: center;
    }

    .logo h1 {
        color: var(--primary-color);
        font-family: 'Tajawal', sans-serif;
        font-weight: 800;
        font-size: 1.8rem;
        letter-spacing: -0.5px;
    }

    .logo span {
        color: var(--accent-color);
    }

/* Navigation Bar */
        .navbar {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--gradient-color) 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            height: 100%;
            margin: 0;
            padding: 0;
        }

        .nav-brand a {
            color: white;
            font-family: 'Pattaya';
            letter-spacing: 3px;
            text-decoration: none;
            font-size: 1.8rem;
            font-weight: 200;
            display: block;
            align-items: flex-end;
            gap: 0;
            transition: var(--transition);
            display: inline-block;
            line-height: 1;
        }
        
        .nav-brand a:hover {
            transform: translateY(-2px);
            font-size: 1.8rem;
        }

        .highlight {
            font-family: "Quicksand", sans-serif;
            font-weight: 500;
            font-size: 14px;
            color: white;
            pointer-events: none;
            justify-self: center;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.1rem;
            margin-left: 20px;
            padding-right: 30px;
        }

        .nav-links a, .dropdown-btn {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            padding: 0.75rem 1.25rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .nav-links a:hover, .dropdown-btn:hover {
            background-color:white;
            color:var(--primary-color);
        }

        .dropdown {
            position: relative;
        }

        .dropdown-btn {
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: none;
            border: none;
            color: white;
        }

        .dropdown-btn::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            transition: var(--transition);
            font-size: 0.8rem;
        }

        .dropdown:hover .dropdown-btn::after {
            transform: rotate(180deg);
        }

        .dropdown-content {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            min-width: 210px;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            z-index: 100;
            overflow: visible;
            animation: fadeIn 0.3s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .dropdown:hover .dropdown-content {
            display: inline-block;
        }

        .dropdown-content a {
            color: var(--text-color);
            padding: 0.75rem 1.5rem;
            display: block;
            text-align: right;
            transition: var(--transition);

        }

        .dropdown-content a:last-child {
            border-bottom: none;
        }

        .dropdown-content a:hover {
            background-color:var(--primary-color);
            color:#e9f7fe;
            box-shadow: 0 6px 12px  var(--primary-color);
            border-radius: 5px;
            transform: translateX(-6px);
            -webkit-transform: translateX(-6px);
            -moz-transform: translateX(-6px);
            -ms-transform: translateX(-6px);
            -o-transform: translateX(-6px);
        }

        /* Resource Sections */
        .resource-section {
            margin-bottom: 3rem;
            text-align: center;
        }

        .resource-section h2 {
            color: var(--secondary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.75rem;
            margin-bottom: 2rem;
            font-size: 2rem;
            font-weight: 700;
            display: inline-block;
        }

        /* Active section */
        .resource-content {
            display: none;
            animation: fadeIn 0.5s ease-out;
        }

        .active {
            display: block;
            width:90%;
            margin: 0 auto;
        }

        /* Main Container */
        .container {
            max-width: 1200px;
            margin: 5rem auto;
            padding: 1rem;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            position: relative;
            overflow: hidden;
        }

        /* Heome Section*/
        .home-container {
            margin:3.5rem 0;
            display: flex;
            flex-direction: row;
            justify-content: space-evenly;
            background-color: #fff;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
        }

        .hero {
            padding: 4rem 2rem;
            position: relative;
            overflow: hidden;
            animation: animation2 1s ease-out ;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
            opacity: 0.3;
            z-index: -1;
            
        }

        .hero h1 {
            font-size: 2.7rem;
            margin-bottom: 2rem;
            font-weight: 900;
            line-height: 1.3;
            text-transform: capitalize;
        }

        /* Shiny Text Effect */
        .shiny-text {
            position: relative;
            display: inline-block;
            font-weight: 700;
            font-size: clamp(2rem, 6vw, 5rem);
            color: transparent;
            background: linear-gradient(
            135deg,
            #2c5cc5 0%,
            #ff6b35 35%,
            #2c5cc5 45%,
            rgba(255, 255, 255, 0.8) 50%,   /* soft white streak */
            #2c5cc5 55%,
            #ff6b35 65%,
            #2c5cc5 100%
            );
            background-size: 200% 100%;
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: shine-sweep 7s linear infinite;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--dark-color);
            margin-bottom: 3rem;
            max-width: 550px;
            line-height: 1.8;
            animation: animation1 1s ease-out ;
        }

        .hero {
            width:50%
        }

        .home-photo img {
            height:550px;
            animation: animation2 1s ease-out forwards;
            
        }

        /* Button Styles */

        /* Button Container */
        .btn-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .action-btn  {
            position: relative;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--gradient-color) 100%);
            color: white;
            border: none;
            padding: 15px 20px;
            border-radius: 30px;
            font-family: 'Tajawal', sans-serif;
            font-size: 1.2rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            flex-direction: row;
            justify-content: center;
            text-decoration: none;
            width: 40%;
            height:60px;
            margin: 0;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 8px 20px rgba(0, 17, 53, 0.3);
            
        }

        .action-btn a {
            display: flex;
            flex-direction: column;
            justify-content: center;
            margin-left: 10px;
        }

        .action-btn i {
            display: flex;
            flex-direction: column;
            justify-content: center;
            margin-left: 10px;
        }

        .action-btn::before  {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--gradient-color) 0%, var(--primary-color) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            border-radius: 30px;
            border: none;
        }

        .action-btn:hover {
            box-shadow: 0 8px 20px rgba(0, 17, 53, 0.3);
            transform: scale(1.5);
        }

        .action-btn:hover::before  {
            opacity: 1;
        }

        .action-btn span  {
            position: relative;
            z-index: 2;
            display: block;
            transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .action-btn:hover span  {
            transform: translateY(-2px);
        }

        .action-btn::after  {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--gradient-color) 100%);
            z-index: -2;
            border-radius: 30px;
            transition: opacity 0.5s ease;
        }

        .action-btn:hover::after{
            opacity: 0;
        }

        .home-btn{
            text-align: center;
            padding-bottom:1rem;
            position: relative;
            overflow:visible;
        }

        .main-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: #eef2f7;
            color: var(--primary-color);
            font-family: 'Tajawal', sans-serif;
            padding: 1.5rem;
            text-decoration: none;
            border-radius: var(--border-radius);
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(76, 82, 112, 0.15);
            margin: 0.5rem;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            width: 220px;
            height: 130px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .main-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color) 8%, var(--gradient-color) 90%);
            z-index: -1;
            opacity: 0;
            transition: var(--transition);
        }

        .main-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(76, 82, 112, 0.25);
            color: white;
        }

        .main-btn:hover::before {
            opacity: 1;
        }

        .main-btn i {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }

        .main-btn:hover i {
            transform: scale(1.2);
        }

        .telegram-btn {
            margin-bottom: 15px;
            padding: 1rem;
            width: 100%;
            font-size: 1rem;
            border: none;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            color: white;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-family: 'Tajawal', sans-serif;
            text-decoration: none;
        }

        .telegram-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #3a405e 0%, var(--primary-color) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            border-radius: var(--border-radius);
            border: none;
        }

        .telegram-btn:hover::before {
            opacity: 1;
        }
        .telegram-btn:hover {
            background: linear-gradient(135deg, #3a405e 0%, var(--primary-color) 100%);
        }

        .telegram-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            z-index: -2;
            border-radius: var(--border-radius);
            transition: opacity 0.5s ease;
        }

        .telegram-btn:hover::after {
            opacity: 0;
        }

        .correct-btn {
            margin-top: 30px;
            padding: 1rem;
            width: 100%;
            font-size: 1rem;
            border: none;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            color: white;
            border-radius: var(--border-radius);
            cursor: pointer;
            }
            .correct-btn:hover {
            background: linear-gradient(135deg, #3a405e 0%, var(--primary-color) 100%);
            transform: translateY(-2px);
        }

        .correct-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #3a405e 0%, var(--primary-color) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            border-radius: var(--border-radius);
            border: none;
        }

        .correct-btn:hover::before {
            opacity: 1;
        }

        .correct-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            z-index: -2;
            border-radius: var(--border-radius);
            transition: opacity 0.5s ease;
        }

        .correct-btn:hover::after {
            opacity: 0;
        }

        .Speciality-btn {
            position: relative;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            color: white;
            border: none;
            padding: 15px 20px;
            border-radius: 30px;
            font-family: 'Tajawal', sans-serif;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
            width: 80%;
            margin: 10px auto;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 8px 20px rgba(0, 17, 53, 0.3);
        }

        .Speciality-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #3a405e 0%, var(--primary-color) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            border-radius: 30px;
            border: none;
        }

        .Speciality-btn:hover {
            box-shadow: 0 8px 20px rgba(0, 17, 53, 0.3);
            transform: scale(1.05);
        }

        .Speciality-btn:hover::before {
            opacity: 1;
        }

        .Speciality-btn span {
            position: relative;
            z-index: 2;
            display: block;
            transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .Speciality-btn:hover span {
            transform: translateY(-2px);
        }

        .Speciality-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            z-index: -2;
            border-radius: 30px;
            transition: opacity 0.5s ease;
        }

        .Speciality-btn:hover::after {
            opacity: 0;
        }

        /*pdf viewer styles*/

        .pdf-wrapper {
            max-width: 900px;
            width: 100%;
            
            margin: 0 auto;
            padding: 0 16px;
            box-sizing: border-box;
        }

        .responsive-pdf {
            display: block;
            width: 100%;
            height: 90vh;
            max-height: 90vh;
            border: 4px solid var(--primary-color);
            border-bottom: none;
            margin: 0 auto;
            transition: all 0.3s ease;
        }
        
        .pdf-buttons {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            gap: 0;
            width: 100%;
        }

        /* Action Buttons */
        .action-buttons {
            display: flex;
            gap: 15px;
            padding: 0 2rem 2rem;
        }

        .btn , .correct-btn {
            flex: 1 1 50%;
            padding: 1rem;
            border: none;
            border-radius: var(--border-radius);
            font-family: 'Tajawal', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .down-btn , .full-btn  {
            flex: 1;
            padding: 1rem;
            border: none;
            font-family: 'Tajawal', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration:none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .down-btn{
            background: var(--primary-color);
            color: white;
        }
        .down-btn:hover{
            background-color:#4268ba;
            transform: translateY(-3px);
        }

        .full-btn{
            background-color: #eef2f7;
            color: var(--text-color);
        }
        .full-btn:hover{
            background: #e2e8f0;
            transform: translateY(-3px);
        }

        /* 📱 Responsive @ mobile */
        @media (max-width: 768px) {
            .pdf-buttons {
                flex-direction: column;
            }

            .full-btn,
            .down-btn,
            .telegram-btn i {
                width: 100%;
                font-size: 1.8rem;
                padding: 10px;
            }

            .responsive-pdf {
                height: 75vh;
            }
        }

        /* Small phones */
        @media (max-width: 480px) {
            .responsive-pdf {
                height: 60vh;
            }
        }

        /* Tablets */
        @media (min-width: 481px) and (max-width: 1024px) {
            .responsive-pdf {
                height: 70vh;
            }
        }

        /* Desktop */
        @media (min-width: 1025px) {
            .responsive-pdf {
                height: 85vh;
            }
        }

        /* Ultra-wide screens (Zenbook fold etc.) */
        @media (min-width: 1440px) {
            .responsive-pdf {
                height: 90vh;
            }
        }

        /*  Normal desktops (e.g. Surface Pro landscape) */
        @media (min-width: 1025px) and (max-width: 1439px) {
            .responsive-pdf {
                height: 85vh;
            }
        }

        /* iPads / Galaxy Fold */
        @media (min-width: 768px) and (max-width: 1024px) {
            .responsive-pdf {
                height: 75vh;
            }
        }

        /*  iPhone 12 Pro & similar */
        @media (min-width: 376px) and (max-width: 767px) {
            .responsive-pdf {
                height: 70vh;
            }
        } 
        /*  iPhone SE / small phones */
        @media (max-width: 375px) {
            .responsive-pdf {
                height: 65vh;
            }
            
            .pdf-wrapper {
                max-width: 900px;
                width: 100%;
                margin: 0 auto;
                padding: 0;
                box-sizing: border-box;
            }
        }

        @media screen and (max-width: 410px) {
            .responsive-pdf {
                height: 65vh;
            }
        }

        @media screen and (min-width: 1400px) {
            .responsive-pdf {
                height: 85vh;
            }
        }

        @media (max-width: 600px) {
            .pdf-buttons {
                flex-direction: column;
            }
            .pdf-buttons button,
            .pdf-buttons a {
                width: 100%;
                font-size: 0.95rem;
            }
        }

        .responsive-pdf:fullscreen {
            width: 100vw;
            height: 100vh;
            border: none;
            border-radius: 0;
        }

        .responsive-pdf:-webkit-full-screen {
            width: 100vw;
            height: 100vh;
            border: none;
            border-radius: 0;
        }

        .responsive-pdf:-moz-full-screen {
            width: 100vw;
            height: 100vh;
            border: none;
            border-radius: 0;
        }

        /*advice style*/
        .advice {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 8px;
            margin-top: 1rem;
            margin-right:7.7rem;
            text-align: center;
            display: flex;
            justify-content: center;
            align-items: center;
            width:900px;
            height: 80px; /* Fixed height for vertical centering */
            color: var(--primary-color);
            font-weight: 500;
            border: 2px solid var(--primary-color);
        }

        /* Timer Styles */
        .compact-timer {
            background-position: center;
            opacity: 0.95;
            padding: 2rem;
            border-radius: var(--border-radius);
            max-width: 600px;
            max-height: 400px;
            margin: 2rem auto;
            box-shadow: var(--box-shadow);
            text-align: center;
        }

        .compact-timer {
            background: #ffffff;
            padding: 25px;
            display: flex;
            flex-direction: column;
            position: relative;
            border-radius: 15px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            z-index: 2;
            -webkit-border-radius: 15px;
            -moz-border-radius: 15px;
            -ms-border-radius: 15px;
            -o-border-radius: 15px;
        }

        .compact-timer p {
            font-size: large;
            font-weight: 600;
            color: var(--dark-color);
        }

        .compact-timer p span {
            color:var(--secondary-color)
        }

        .timer-numbers {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .time-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            transition: var(--transition);
        }
        .time-block:hover{
            transform: translateY(-5px);
            transform: scale(1.1);
            
        }

        .timer-number {
            background: #eef2f7;
            padding: 1rem 1.5rem;
            border-radius: 10px;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            min-width: 80px;
            box-shadow: 0 10px 15px rgba(10, 95, 232, 0.05);
            height: 80%;
            -webkit-border-radius: 10px;
            -moz-border-radius: 10px;
            -ms-border-radius: 10px;
            -o-border-radius: 10px;
}

        .timer-label {
            color: var(--primary-color);
            font-size: large;
            font-weight: 600;
        }

        
        /* Calculator Section */
        .calculator-section {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            margin: 3rem 0;
            animation: fadeIn 0.5s ease-out;
        }

        .calculator-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            color: white;
            padding: 2rem;
            text-align: center;
            animation: fadeIn 0.5s ease-out;
        }

        .calculator-header h2 {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }

        .calculator-header p {
            opacity: 0.9;
            font-size: 1.1rem;
        }

        /* Field Selection */
        .field-selection {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            padding: 2rem;
            
        }

        .field-card {
            background: #eef2f7;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 2rem;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .field-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);



            border-color: var(--primary-color);
        }

        .field-card.selected {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        }

        .field-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-color) 0%, #2980b9 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
        }

        .field-card.math .field-icon {
            background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
        }

        .field-card.science .field-icon {
            background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
        }

        .field-card.tech .field-icon {
            background: linear-gradient(135deg, #f652a0 0%, #e74c3c 100%);
        }

        .field-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }

        .field-description {
            color: var(--text-light);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        /* Subject Inputs */
        .subject-container {
            display: none;
            padding: 2rem;
            animation: fadeIn 0.5s ease-out;
        }

        .subject-container.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        .subjects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 2rem;
            animation: fadeIn 0.5s ease-out;
        }

        .subject-card {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: var(--transition);
            border-left: 4px solid var(--primary-color);
        }

        .subject-card.optional {
            border-left: 4px solid var(--warning-color);
        }
        .subject-card:hover{
            transform: translateY(-3px);
        }

        .subject-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .subject-name {
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        .subject-coeff {
            background: var(--primary-color);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .grade-input-container {
            display: flex;
            align-items: center;
        }

        .grade-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: 'Tajawal', sans-serif;
            font-size: 1rem;
            text-align: center;
            transition: var(--transition);
        }

        .grade-input:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }

        .optional-tag {
            background: var(--warning-color);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-top: 0.5rem;
            display: inline-block;
        }

        .error-message {
            display: none;
            color: #b00020;
            font-family: 'Tajwal' , sans-serif;
            background-color: #fce4e4;
            border: 1px solid #f8c0c0;
            padding: 5px 5px;
            margin-top: 6px;
            margin-right: 15px;
            border-radius: 6px;
            font-size: 0.95rem;
            box-shadow: 0 0 10px 2px red;
            max-width: 300px;
            direction: rtl;
            text-align: right;
            transition: opacity 0.3s ease-in-out;
        }

        .input-error {
            box-shadow: 0 0 8px 2px red;
            border-color: red;
            
        }

        .card-error {
            box-shadow: 0 0 10px 2px red;
            border-color: red;
        }

        .btn.calculate {
            background: var(--primary-color);
            color: white;
        }

        .btn.calculate:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }

        .btn.reset {
            background: #eef2f7;
            color: var(--text-color);
        }

        .btn.reset:hover {
            background: #e2e8f0;
            transform: translateY(-3px);
        }
        
        .btn.back:hover{
            transform: translateY(-3px);
        }

        /* Result Section */
        .result-section {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 2.5rem;
            text-align: center;
            margin-top: 2rem;
            display: none;
        }

        .result-value {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin: 1rem 0;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .result-message {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }

        .result-details {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 2rem;
        }

        .result-box {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            min-width: 150px;
        }

        .result-label {
            color: var(--text-light);
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .result-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        /*university section*/
        .university-home {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .Speciality-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .Speciality-card {
            background: #eef2f7;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            text-align: center;
            transition: var(--transition);
            display: inline;
            height: 400px;
            width: 250px;
            margin: 0.5rem;
            cursor: pointer;
            position: relative;
            z-index: 1;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }

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

        .Speciality-photo {
            height: 60%;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .Speciality-photo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .Speciality-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .Speciality-info {
            padding: 1.5rem;
            height: 50%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .Speciality-info h4 {
            color: var(--primary-color);
            margin: 2rem;
            font-size: 1.5rem;
            padding-top: 1.1rem;
            width: 350px;
            text-wrap: wrap;
        }

        .Speciality-info p {
            color: var(--text-light);
            margin-bottom: 1rem;
            font-size: 0.95rem;
            flex-grow: 1;
        }

        .horizontal-stack-gallery {
            position: relative;
            height: 630px;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 50px 0;
        }

        .photo-container {
            position: relative;
            width: 100%;
            max-width: 1000px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .center-photo,
        .side-photo {
            position: absolute;
            height: 100%;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .center-photo {
            width: 60%;
            z-index: 3;
        }

        .side-photo {
            width: 25%;
            z-index: 2;
        }
        .left-peek {
            left: 5%;
            transform: perspective(1000px) rotateY(30deg) scale(0.9);
        }
        
        .right-peek {
            right: 5%;
            transform: perspective(1000px) rotateY(-30deg) scale(0.9);
        }
        
        .center-photo-img,
        .side-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 8px;
        }
        
        .photo-nav {
            position: absolute;
            font-size: 4.5rem;
            color: white;
            cursor: pointer;
            z-index: 4;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            transition: all 0.3s ease;
            user-select: none;
        }
        
        .photo-nav:hover {
            color: var(--primary-color);
            transform: scale(1.2);
        }
        
        .left-nav {
            left: 10%;
        }
        
        .right-nav {
            right: 10%;
        }
        
        .photo-counter {
            position: absolute;
            bottom: -40px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-color) ;
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 1rem;
            font-weight: 600;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            z-index: 3;
        }

        .gallery-images {
            display: none;
        }

        .container .intro {
            background: white;
            padding: 25px;
            border: 3px dashed #eaeaea;
            border-radius: 8px;
            height: 100%;
            width: 100%;         /* <-- Make it full width */
            box-sizing: border-box; /* <-- Ensure padding doesn't exceed width */
            display: flex;
            flex-direction: column;
        }

        
        .intro h2 {
            color: var(--secondary-color);
            border-bottom: 2px solid #eaeaea;
            padding-bottom: 15px;
            margin-bottom: 20px;
            font-size: 1.8rem;
            align-self: center;
        }
        
        .intro ul {
            list-style: none;
            padding: 0;
            height: 100%;
        }
        
        .intro li {
            margin-bottom: 20px;
            padding: 15px;
            border-radius: 8px;
            color: #555;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            border-left: 4px solid var(--primary-color);
        }
        
        .intro li:hover {
            background: #eef2f7;
            transform: translateX(-5px);
        }
        
        .intro li i {
            font-size: 1.5rem;
            margin-left: 15px;
            color: var(--primary-color);
            min-width: 30px;
            text-align: center;
        }
        
        .intro strong {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .details {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        
        .detail-card {
            background: #ffffff;
            padding: 25px;
            display: flex;
            flex-direction: column;
            position: relative;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
         
            z-index: 2;
        }

        .detail-card::before,
        .detail-card::after {
            content: "";
            position: absolute;
            height:150%;
            width:150%;
            top:50%;
            left:50%;
            transform: translate(-50% , -50%);
            z-index: -1;
        }
        .detail-card::before {
            background: conic-gradient(#44f 20deg transparent 20deg);
            animation: rotate 4s infinite linear;
        }
        .detail-card::after {
            background: white;
            height:100%;
            width:100%;
            box-shadow: 5px 5px 15px inset;
            border-radius: 10px;
        }

        .detail-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(44, 92, 197, 0.18);
        }
        .detail-card.prencipal-card {
            grid-column:span 3;
        }
        .detail-card.prencipal-card h3 {
            justify-content: center;
            
        }
        .detail-card.prencipal-card p {
            text-align: center;
        }

        .detail-card.large-card {
            grid-column: span 2; 
        }
        .detail-card.large-card.left {
            grid-column: span 2;position: relative;
            left: 0;
        }
        
        .detail-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .detail-card h3 i {
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        
        .detail-card p, .detail-card ul {
            font-size: 1.1rem;
            font-weight:500;
            line-height: 1.8;
            color: var(--text-light);
            margin: 0;
        }

        .detail-card ul {
            list-style:inside;
        }
        .detail-card ul li {
            margin-bottom: 8px;
            padding-right: 5px;
            position: relative;
        }

        #university-system .section-title {
            text-align: center;
            margin-bottom: 30px;
        }

        #university-system .detail-card p {
            text-align: justify;
        }

        /* Footer */
        .footer-arabic {
            z-index: 100;
            position: relative;
            display: block;
            background: linear-gradient(135deg, var(--primary-color) 0%, #3a405e 100%);
            color: white;
            padding: 1.5rem 0 0.5rem;
            direction: rtl;
            margin-top: 2rem;
            border-top: 3px solid var(--gradient);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .footer-section h4 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(255,255,255,0.1);
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.3rem 0;
        }

        .footer-links a:hover {
            color: var(--secondary-color);
            transform: translateX(-5px);
        }

        .social-links {
            display: flex;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .social-link {
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            color: var(--secondary-color);
            text-decoration: none;
        }

        .social-link i {
            color: var(--secondary-color); 
        }

        .social-link:hover {
            color: white;
            background: white;
            transform: translateY(-3px) scale(1.1);
        }

        .footer-bottom {
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.8);
        }

        .footer-bottom strong {
            color: var(--secondary-color);
            font-weight: 700;
        }

        /* About Page Styles */
        .about-content {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 3rem;
            margin-bottom: 3rem;
            animation: fadeIn 0.5s ease-out;
        }

        .text-center{
            text-align: center;
        }

        .mission-vision {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .mv-card {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            text-align: center;
            border-left: 4px solid var(--secondary-color);
            transition: var(--transition);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .mv-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .mv-card h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        .mv-card p {
            color: var(--text-light);
            line-height: 1.8;
        }
        .header-text {
            color: white;
        }
        
        .header-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 5px;
            letter-spacing: 1px;
        }
        
        .header-text h2 {
            font-size: 1.4rem;
            font-weight: 400;
            opacity: 0.9;
        }

        .about-section {
            background: #f8f9ff;
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-left: 5px solid var(--secondary);
        }
        
        .about-section p {
            font-size: 1.2rem;
            line-height: 1.8;
            color: #444;
        }
        .card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid var(--primary);
        }
        
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .card h3 {
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .card h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 70px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        .card p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #555;
        }
        
        .mission-card {
            border-top-color: var(--secondary);
        }

        /* Features Section */
        .features-section {
            margin-top: 50px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--primary);
            display: inline-block;
            padding: 0 20px;
            background: white;
            position: relative;
            z-index: 2;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, transparent, #2c5cc5, transparent);
            z-index: 1;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }
        
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
        }
        
        .feature-card i {
            font-size: 25px;
            color:var(--primary-color);
        }
        
        .feature-card h4 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .feature-card p {
            color: #666;
            font-size: 1rem;
        }

        .team-section {
            margin: 4rem 0;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .team-member {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            text-align: center;
            transition: var(--transition);
        }

        .team-member:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }

        .member-photo {
            height: 250px;
            background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            color: var(--primary-color);
        }

        .member-info {
            padding: 1.5rem;
        }

        .member-info h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .member-role {
            color: var(--secondary-color);
            font-weight: 500;
            margin-bottom: 1rem;
        }
        .social-l {
            display: flex;
            gap: 1.5rem;
            margin-top: 1.5rem;
            margin-left:1.5rem;
        }

        .social-l {
            width: 45px;
            height: 45px;
            background: var(--light-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            color: var(--secondary-color);
            text-decoration: none;
        }

        .social-l i {
            color: var(--secondary-color); 
        }

        .social-l:hover {
            color: white;
            background: var(--primary-color);
            transform: translateY(-3px) scale(1.1);
        }
        .dev-social-l{
            margin-right:27rem;
        }

        /* Contact Page Styles */
        .contact {
            margin-top: 50px;
        }
        .contact-content {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 3rem;
            margin-bottom: 3rem;
            animation: fadeIn 0.5s ease-out;
        }

        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .contact-card {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            text-align: center;
            box-shadow: var(--box-shadow);
            border-left: 4px solid var(--secondary-color);
            transition: var(--transition);
        }

        .contact-card:hover {
            transform: translateY(-7px);
        }

        .contact-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            align-self: center;
        }

        .contact-card h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }

        .contact-card p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }

        .contact-card .social-l {
            scale:1.2
        }

        .contact-card a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            font-family: "Quicksand", sans-serif;
            transition: var(--transition);
        }

        .contact-card a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }

        .contact-form {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin-top: 3rem;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: 'Tajawal', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }

        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }

        .btn-primary {
            background:linear-gradient(135deg, var(--primary-color) 0%, #1a3a8f 100%) ;
            color: white;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: var(--border-radius);
            font-family: 'Tajawal', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s cubic-bezier(0.22 , 1 , 0.36 , 1);
            display: inline-block;
            -webkit-transition: transform 0.3s cubic-bezier(0.22 , 1 , 0.36 , 1);
            -moz-transition: transform 0.3s cubic-bezier(0.22 , 1 , 0.36 , 1);
            -ms-transition: transform 0.3s cubic-bezier(0.22 , 1 , 0.36 , 1);
            -o-transition: transform 0.3s cubic-bezier(0.22 , 1 , 0.36 , 1);
}

        .btn-primary:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }

        .btn-block {
            display: block;
            width: 100%;
        }
        .message-status {
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
            font-weight: 500;
            display: none;
        }

        .notification {
            position: fixed;
            justify-self: center;
            top: 100px;
            padding: 15px 15px;
            border-radius: 8px;
            font-size: 1rem;
            text-align: center;
            z-index: 9999;
            display: none;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            animation: fadeIn 0.4s ease-out;
        }

        .notification.success {
            background: #28a745;
            color: #fff;
        }

        .notification.error {
            background: #dc3545;
            color: #fff;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translate(-50%, -0px); -webkit-transform: translate(-50%, -0px); -moz-transform: translate(-50%, -0px); -ms-transform: translate(-50%, -0px); -o-transform: translate(-50%, -0px); }
            to   { opacity: 1; transform: translate(-50%, 0); }
        }

        /* Tooltip */
        .tooltip {
            position: relative;
            display: inline-block;
        }

        .tooltip .tooltiptext {
            visibility: hidden;
            width: 120px;
            background-color: var(--primary-color);
            color: white;
            text-align: center;
            border-radius: 6px;
            padding: 5px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            display: none;
        }

        /*responsive for nav bar*/

        @media (max-width: 768px) {
            .navbar {
                padding: 0.3rem 1rem;
                transform: translateY(0);
                transition: transform 1s ease-in-out;
                position: relative;
                z-index: 1000;
            }

            .nav-container {
                padding: 0 1rem;
                flex-direction: column;
                align-items: center;
                gap: 0.1rem; 
            }

            .nav-brand {
                align-self: center;
                margin: 0 auto;
                font-size: 1rem;
                line-height: 1.2;
                padding: 0; 
            }

            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
                width: 100%;
                padding: 0;
                margin: 0;
            }

            .nav-links a,
            .dropdown-btn {
                padding: 0.2rem 0.6rem; 
                font-size: 0.9rem; 
            }

            /* Hide navbar by sliding it up */
            .navbar.hidden {
                transform: translateY(-100%);
            }

        
            .dropdown-content {
                display: none;
                position: absolute;
                top: 100%;
                right: 0;
                min-width: 120px;
                background: white;
                border-radius: var(--border-radius);
                box-shadow: var(--box-shadow);
                z-index: 100;
                overflow: visible;
                animation: fadeIn 0.3s ease-out;
            }
        }

        /*responsive for university section */
        @media (max-width: 992px) {
            .detail-card.large-card {
                grid-column: span 2; 
            }

            .horizontal-stack-gallery {
                height: 500px;
            }
            
            .intro h2 {
                font-size: 2rem;
            }
            
            .detail-card h3 {
                font-size: 1.6rem;
            }

            .detail-card.prencipal-card {
                grid-column: span 2;
            }
        }
        
        @media (max-width: 900px) {
            .content {
                flex-direction: column;
            }
            
            .horizontal-stack-gallery {
                height: 550px;
                display: flex;
                flex-direction: row;
            }
        }

        @media (max-width: 768px) {
            .detail-card {
                padding: 20px;
            }

            .detail-card h3 {
                font-size: 1.3rem;
            }
            .specialty-section {
                flex-direction: column;
            }
            
            .specialty-info, .specialty-gallery {
                min-width: 100%;
            }
            
            header h1 {
                font-size: 2rem;
            }
            
            .specialty-header h2 {
                font-size: 1.5rem;
            }
            
            .stat-value {
                font-size: 1.8rem;
            }

            .photo-container {
                width: 100%;
            }

            .center-photo, .side-photo {
                width: 80%;
            }

            .center-photo-img, .left-photo img, .right-photo img {
                width: 100%;
                object-fit: cover;
            }

            .horizontal-stack-gallery {
                flex-direction: row;
                height: 400px;
            }
            
            .intro {
                width: 40%;
            }

            .intro h2 {
                font-size: 1.5rem;
            }
            
            .photo-container {
                width: 100%;
                height: 100%;
            }
            
            .section-title h2 {
                font-size: 2.5rem;
            }
            
            .photo-nav {
                font-size: 3.5rem;
                width: 60px;
                height: 60px;
            }

            .detail-card.prencipal-card,
            .detail-card.large-card {
                grid-column: span 1;
            }

            #university-system .details {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            #university-system .detail-card {
                padding: 20px;
            }

            #university-system .detail-card h3 {
                font-size: 1.2rem;
            }

            #university-system .detail-card ul li {
                font-size: 1rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
    
            .footer-links a:hover {
                transform: scale(1.1);
            }
    
            .social-links {
                justify-content: center;
            }
        }
        
        @media (max-width: 600px) {
            .header {
                padding: 20px;
            }
            
            .header h1 {
                font-size: 1.8rem;
            }
            
            .horizontal-stack-gallery {
                height: 300px;
            }
            
            .photo-nav {
                font-size: 2rem;
                width: 50px;
                height: 50px;
            }
            
            .left-nav {
                left: 10%;
            }
            
            .right-nav {
                right: 10%;
            }
        }

        @media (max-width: 480px) {
            .photo-container {
                height: 300px;
            }
            
            .photo-nav {
                font-size: 2rem;
                width: 40px;
                height: 40px;
            }
            
            .photo-counter {
                font-size: 0.8rem;
                padding: 4px 12px;
            }
            
            .details {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 1.6rem;
            }
          
            
            header {
                padding: 15px;
            }
            
            .info-grid {
                grid-template-columns: 1fr;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .specialty-header {
                flex-direction: column;
                text-align: center;
            }

             #university-system .detail-card {
                padding: 15px;
            }

            #university-system .detail-card h3 {
                font-size: 1rem;
            }

            #university-system .detail-card p,
            #university-system .detail-card ul li {
                font-size: 0.95rem;
                line-height: 1.6;
            }
        }

        /*responsive for about page*/
        @media (max-width: 1200px) {
            .dev-social-l {
                margin-right: 18rem;
            }
        }
        
        @media (max-width: 992px) {
            .dev-social-l {
                margin-right: 10rem;
            }
            .contact-form-section {
                padding: 30px;
            }
        }
        @media (max-width: 768px) {
            .dev-social-l {
                margin-right: 5rem;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .contact-card {
                padding: 25px;
            }
            
            .contact-icon {
                width: 70px;
                height: 70px;
                display: block;
                margin:0 auto;
            }
            
            .contact-icon i {
                font-size: 30px;
            }
            
        }
        @media (max-width: 576px) {
            .dev-social-l {
                margin-right: 2rem;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            
            .contact-form-section {
                padding: 20px 15px;
            }
            
            .social-l {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
            }
        }
         @media (max-width: 480px) {
            .dev-social-l {
                margin-right: 1rem;
            }
        }
        @media (max-width: 360px) {
            .dev-social-l {
                margin-right: 0.5rem;
            }
            
            .social-icon {
                width: 40px;
                height: 40px;
            }
        }

        /*responsive design*/
        @media (max-width: 1200px) {
            .dropdown-content a {
                height:65px;
                display: flex;
                align-items: center;
            }
            .container {
                margin: 4rem 1.5rem;
            }
            .home-container {
                margin: 4rem 1.5rem;
                overflow-x: hidden;
            }

            .hero h1{
                font-size: 2.2rem;
            }
            .action-btn {
                width:70%;
            }

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

            .main-btn {
                width:90%
            }

            .home-btn {
                width:30%;
                display: block;
                margin: 0 auto;
            }
        }

        @media (max-width: 1100px){

            .nav-links a {
                font-size: 1.1rem;
            }
            .home-container {
                display: flex;
            }
            .hero {
                width:50%;
                text-align: center;
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                align-content: center;
                margin-right: 20px;
            }
            .hero h1{
                font-size: 2rem;
                width: 100%;
                text-align: center;
                margin-bottom: 1rem;
            }
            .hero p{
                text-align: center;
                margin-bottom: 1.9rem;
            }
            .action-btn {
                width:70%;
            }
            .home-photo {
                width:50%;
                margin-left:60px;
            }
        }

         @media (max-width: 1024px) {
            .container {
                margin: 1rem auto;
                padding: 1rem;
            }
            
            .hero {
                padding: 2rem 1rem;
            }
            
            .nav-brand a {
                font-size: 1.5rem;
            }
            
            .calculator-header {
                padding: 1.5rem;
            }
            
            .field-selection {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
        }

        @media (max-width: 992px) {
            .nav-container {
                padding: 0 1.5rem;
            }
            
            .nav-links {
                gap: 0.5rem;
            }
            
            .nav-links a, .dropdown-btn {
                padding: 0.5rem 0.7rem;
                font-size: 1rem;
            }

            .home-container {
                margin: 3rem 0;
                padding: 0.5;
                overflow-x: hidden;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }

            .home-photo {
                height:50px;
                width:30%;
                margin-left: 160px;
                margin-top: 30px;
            }

            .home-photo img {
                margin-left: 200px;
                height: 400px;
            }

            .btn-container {
                display: grid;
                grid-template-columns: 1fr 1fr 1fr;
                justify-content: center;
                margin: 0 auto;
            }

            .main-btn {
                width:90%
            }

            .field-selection {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 20px;
                padding: 1.5rem;
            }
            
            .header h1 {
                font-size: 2.2rem;
            }
            
            .field-icon {
                width: 90px;
                height: 90px;
                font-size: 2.2rem;
            }
            
            .field-title {
                font-size: 1.6rem;
            }
        }
        
        @media (max-width: 768px) {

            .navbar {
                padding: 0.75rem 0;
            }

            .nav-links a {
                padding: 15px;
            }
            
            .nav-brand a {
                font-size: 1.5rem;
            }

            .dropdown-content {
                width:170px;
            }

            .dropdown-content a {
                height:60px;
                display: flex;
                align-items: center;
            }
            
            .hero {
                padding: 0.2rem;
                width: 100%;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }

            .action-btn {
                height:60px;
                width:50px;
                display: flex;
                flex-direction: row;
                justify-content: center;
                align-items: center;
                align-content: center;
            }
            
            .main-btn {
                width: 70%;
                height: 100%;
                font-size: 1rem;
            }

            .home-container {
                margin: 3rem 0;
                padding: 3rem 2rem;
            }

            .home-photo {
                display: none;
            }
            .home-photo img {
                height:200px
            }
            
            .btn-container {
                display: grid;
                grid-template-columns: 1fr 1fr;
                justify-content: center;
                align-items: center;
                align-content: center;
                margin: 0 auto;
            }
            
            .timer-numbers {
                gap: 1rem;
            }
            
            .timer-number {
                font-size: 2rem;
                padding: 0.75rem 1.25rem;
                min-width: 70px;
            }

            .field-selection {
                grid-template-columns: 1fr;
                max-width: 600px;
                gap: 25px;
                padding: 1.5rem;
            }
            
            .header {
                padding: 0 1rem;
            }
            
            .header h1 {
                font-size: 2rem;
            }
            
            .header p {
                font-size: 1.1rem;
            }

            .page-header h2 {
                font-size: 2rem;
            }
            
            .about-content, .contact-content {
                padding: 1.5rem;
            }
            
            .mission-vision, .features-grid, .team-grid, .contact-methods {
                grid-template-columns: 1fr;
            }
            
            .contact-form {
                padding: 1.5rem;
            }

            .main-btn{
                width:90%;
                height:120px;
                margin: 20px auto;
            }

            .home-btn {
                width: 40%;
                position: relative;
                left:0%
            }

            .about-container {
                padding: 30px 20px;
            }
            
            .vision-mission {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .field-card {
                padding: 1.8rem;
                align-self: center;
            }
            
            .field-icon {
                width: 85px;
                height: 85px;
                font-size: 2rem;
            }
            
            .field-title {
                font-size: 1.5rem;
            }
            
            .action-buttons {
                flex-direction: column;
            }
            
            .result-details {
                flex-direction: column;
                gap: 15px;
            }
            
            .result-box {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .nav-container {
                flex-direction: column;
                gap: 1rem;
                padding: 1rem;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .hero {
                padding: 0;
                margin: 0;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .main-btn {
                width: 90%;
                height: 140px;
                font-size: 1rem;
                gap:0.8rem
            }
            .compact-timer {
                width:90%
            }
            
            .timer-numbers {
                flex-wrap: nowrap;
            }
            
            .time-block {
                width: 100%;
                margin-bottom: 1rem;
            }

            .btn-container {
                display: grid;
                justify-content: center;
                grid-template-columns: 1fr 1fr; 
            }

            .home-btn {
                position: relative;
                width:70%
            }
        }
        
        @media (max-width: 480px) {

            .nav-container {
                flex-direction: column;
                padding: 0.5rem;
            }
            
            .nav-links {
                margin-top: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }

            .home-container {
                margin-top:3rem;
                padding: 3rem 2rem;
            }

            .home-photo {
                display: none;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 0.95rem;
            }
            
            .btn-container {
                flex-direction: column;
                justify-content: space-between;
                align-items: center;
            }
            
            .main-btn {
                width: 100%;
                height: 140px;
                padding: 1rem;
                gap:0.8rem
            }

            .action-btn {
                font-size: 1rem;
                width:60%;
                height:60px;
                
            }

            .home-btn {
                position: relative;
                left:1%
            }

            .page-header h2 {
                font-size: 1.8rem;
            }
            
            .page-header p {
                font-size: 1rem;
            }
            
            .header-container {
                padding: 0 1rem;
            }
            .resource-content {
                margin-top: 2rem;
            }
            
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .feature-icon {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
            
            .member-photo {
                height: 200px;
                font-size: 4rem;
            }
            
            .social-links {
                gap: 0.5rem;
            }

            .feature-card {
                padding: 20px 15px;
            }
            
            .feature-card h4 {
                font-size: 1.2rem;
            }
            
            .compact-timer {
                padding: 1rem;
            }
            
            .timer-numbers {
                flex-wrap: wrap;
            }
            
            .time-block {
                width: 45%;
                margin-bottom: 1rem;
            }
            
            .advice {
                width: 100%;
                margin-right: 0;
                padding: 1rem;
                height: auto;
                font-size: 0.9rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .subject-container {
                padding: 1rem;
            }
            
            .subjects-grid {
                grid-template-columns: 1fr;
            }
            
            .result-section {
                padding: 1.5rem;
            }
            
            .result-value {
                font-size: 2.5rem;
            }
            
            .result-message {
                font-size: 1.5rem;
            }

            .field-selection {
                padding: 1rem;
                gap: 20px;
            }
            
            .header h1 {
                font-size: 1.8rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .field-card {
                padding: 1.5rem;
                align-self: center;
            }
            
            .field-icon {
                width: 80px;
                height: 80px;
                font-size: 1.8rem;
            }
            
            .field-title {
                font-size: 1.4rem;
            }
            
            .field-description {
                font-size: 1rem;
            }
            
            .select-btn {
                padding: 0.7rem 1.8rem;
                font-size: 1rem;
            }
        }

         @media (min-width: 481px) and (max-width: 1024px) {
            
            
            .action-btn {
                width: 100%;
                margin-left: 20px;
            }
            
            .advice {
                width: 100%;
                margin-right: 0;
            }
            
            .subjects-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /*Animations*/

        @keyframes animation1 {
            0% {
                transform:translateX(500px)    ;
                -webkit-transform:translateX(500px)    ;
                -moz-transform:translateX(500px)    ;
                -ms-transform:translateX(500px)    ;
                -o-transform:translateX(500px)    ;
            }
            100% {
                transform:translateX(0px)    ;
                -webkit-transform:translateX(0px)    ;
                -moz-transform:translateX(0px)    ;
                -ms-transform:translateX(0px)    ;
                -o-transform:translateX(0px)    ;
            }
        }

        @keyframes animation2 {
            0% {
                transform:translatey(200px)    ;
                -webkit-transform:translatey(200px)    ;
                -moz-transform:translatey(200px)    ;
                -ms-transform:translatey(200px)    ;
                -o-transform:translatey(200px)    ;
            }
            100% {
                transform:translatey(0px)    ;
                -webkit-transform:translatey(0px)    ;
                -moz-transform:translatey(0px)    ;
                -ms-transform:translatey(0px)    ;
                -o-transform:translatey(0px)    ;
            }
        }

        @keyframes shine-sweep {
            0%   { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes rotate {
            100%{
                transform: translate(-50% , -50%);
                rotate:rotate(-360deg);
            }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .floating {
            animation: float 3s ease-in-out infinite;
        }