:root {
    --primary-color: #170a62;
    --secondary-color: #5f76ff;
    --text-color: #2d3436;
    --light-bg: #ecf0f1;
    --button-gradient-left: #ff6d00;
    --button-gradient-right: #ffb200;
    --button-text-color: #333;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --focus-shadow: rgba(95, 118, 255, 0.5);
}

/* Header Styles */
.gradient-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* Form Styles */
.form-control {
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 5px var(--focus-shadow);
}

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

/* Button Styles */
.gradient-button {
    background: linear-gradient(135deg, var(--button-gradient-left), var(--button-gradient-right));
    border: none;
    color: white;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.gradient-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.gradient-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.gradient-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* FAQ Results Styles */
.faq-item {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.faq-item h3 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.faq-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--light-bg);
    border-radius: 50%;
    border-top-color: var(--secondary-color);
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: #fff5f5;
    border-color: #feb2b2;
    color: #c53030;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .gradient-header {
        padding: 1.5rem 0;
    }

    .gradient-header h1 {
        font-size: 1.75rem;
    }

    .faq-item {
        padding: 1rem;
    }

    .faq-item h3 {
        font-size: 1.1rem;
    }

    .faq-item p {
        font-size: 0.95rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .gradient-button {
        width: 100%;
        padding: 0.625rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .gradient-header h1 {
        font-size: 1.5rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Validation Styles */
.was-validated .form-control:invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:valid {
    border-color: #198754;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}