h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}




:root {
    --primary-color: #599bb3;
    --secondary-color: #408c99;
    --accent-color: #408c99;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #333;
}

.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.hero-section {
    background: linear-gradient(rgba(67, 97, 238, 0.9), rgba(58, 12, 163, 0.9)), url('https://images.unsplash.com/photo-1523580494868-506401004419?ixlib=rb-4.0.3') no-repeat center center;
    background-size: cover;
    color: white;
    padding: 100px 0;
    margin-bottom: 40px;
}

.card {
    border-radius: 15px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    margin-bottom: 25px;
}

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 20px rgba(0,0,0,0.15);
    }

.card-img-top {
    border-radius: 15px 15px 0 0;
    height: 200px;
    object-fit: cover;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
}

    .btn-primary:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
    }

.section-title {
    position: relative;
    margin-bottom: 40px;
    padding-bottom: 15px;
}

    .section-title:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 80px;
        height: 4px;
        background: var(--accent-color);
        border-radius: 2px;
    }

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
}

.subject-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
    height: 100%;
}

    .subject-card:hover {
        background: linear-gradient(to bottom, #f0f2f5, #e9ecef);
        transform: translateY(-5px);
    }

    .subject-card i {
        font-size: 40px;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

.iq-test-card {
    background: linear-gradient(135deg, #ff9a9e, #fad0c4);
    color: white;
}

    .iq-test-card h3, .iq-test-card p {
        color: white;
    }

    .iq-test-card .btn {
        background: white;
        color: var(--primary-color);
        font-weight: 600;
    }

        .iq-test-card .btn:hover {
            background: #f8f9fa;
        }

.footer {
    background: var(--dark-color);
    color: white;
    padding: 50px 0 20px;
}

    .footer a {
        color: #adb5bd;
        text-decoration: none;
        transition: color 0.3s;
    }

        .footer a:hover {
            color: white;
        }

.social-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    margin-right: 10px;
    transition: all 0.3s;
}

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

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.rating {
    color: #ffc107;
}

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

    .stats-card i {
        font-size: 40px;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    .stats-card .number {
        font-size: 36px;
        font-weight: 700;
        color: var(--primary-color);
    }

    .stats-card .text {
        font-size: 18px;
        color: #6c757d;
    }

.grade-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--success-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}