/* General Setup */
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Vazirmatn', sans-serif;
            background-color: #f9fafb; /* Formerly bg-gray-50 */
            color: #1f2937; /* Formerly text-gray-800 */
            margin: 0;
            line-height: 1.6;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        a {
            color: #ca8a04; /* A yellow-600 equivalent */
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
        }

        /* Layout Container */
        .page-container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        
        .page-section {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        .section-center-content {
            max-width: 48rem;
            margin-left: auto;
            margin-right: auto;
        }
        
        .text-center {
            text-align: center;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 2.5rem;
            color: #a16207; /* yellow-600 */
        }
        
        /* Background Patterns */
        .hero-bg {
            background-color: #ffffff;
            background-image: radial-gradient(circle at 1px 1px, #e5e7eb 1px, transparent 0);
            background-size: 25px 25px;
        }

        /* Buttons */
        .g-button {
            display: inline-block;
            font-weight: 700;
            padding: 1rem 2.5rem;
            border-radius: 0.5rem;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }
        .g-button-primary {
            background-color: #f59e0b; /* yellow-500 */
            color: #1f2937; /* gray-900 */
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
        }
        .g-button-primary:hover {
            background-color: #fbbd23; /* yellow-400 */
            transform: scale(1.05);
            text-decoration: none;
        }
        .g-button-primary:disabled {
            background-color: #9ca3af; /* gray-400 */
            cursor: not-allowed;
        }

        /* Hero Section */
        .hero-section {
            padding-top: 4rem;
            padding-bottom: 3rem;
        }
        .hero-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: #111827;
            line-height: 1.2;
        }
        .hero-subtitle {
            margin-top: 1.5rem;
            font-size: 1.125rem;
            color: #4b5563;
        }
        .hero-cta {
            margin-top: 2.5rem;
        }
        
        /* Form Section */
        .form-section {
            background-color: #f3f4f6; /* gray-100 */
        }
        .form-wrapper {
            background-color: #fff;
            padding: 2rem;
            border-radius: 0.75rem;
            border: 1px solid #e5e7eb;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
        }
        .form-input, .form-select {
            width: 100%;
            padding: 0.625rem;
            font-size: 0.875rem;
            color: #111827;
            background-color: #f9fafb;
            border: 1px solid #d1d5db;
            border-radius: 0.5rem;
            transition: all 0.3s ease;
        }
        .form-input:focus, .form-select:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.5);
        }
        .form-input::placeholder {
            color: #9ca3af;
        }
        #email {
            direction: ltr;
            text-align: left;
        }

        /* Checkbox Group */
        .checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.5rem; /* row-gap column-gap */
            padding-top: 0.5rem;
        }
        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .checkbox-item input[type="checkbox"] {
            width: 1.15rem;
            height: 1.15rem;
            cursor: pointer;
        }
        .checkbox-item label {
            font-weight: 400;
            font-size: 0.875rem;
            cursor: pointer;
            margin-bottom: 0;
        }


        /* Captcha */
        .captcha-container {
            padding-top: 1.5rem;
            border-top: 1px solid #e5e7eb;
        }
        .captcha-flex-group {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 1rem;
        }
        .captcha-image-wrapper {
            background-color: #e5e7eb;
            border: 1px solid #d1d5db;
            border-radius: 0.5rem;
            padding: 0.5rem 1rem;
        }
        .captcha-text {
            user-select: none;
            text-decoration: line-through;
            font-style: italic;
            font-size: 1.75rem;
            letter-spacing: 5px;
            color: #4b5563;
            font-family: monospace;
        }
        .captcha-refresh-button {
            background: none;
            border: none;
            color: #a16207;
            cursor: pointer;
            font-size: 0.875rem;
        }
        .captcha-refresh-button:hover {
            color: #f59e0b;
        }
        
        /* Terms and Conditions */
        .terms-group {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .terms-checkbox {
            margin-top: 0.25rem;
            width: 1rem;
            height: 1rem;
            border: 1px solid #d1d5db;
            border-radius: 0.25rem;
        }
        .terms-label {
            font-size: 0.875rem;
            font-weight: 500;
        }

        /* Submit Button with Spinner */
        .submit-button-wrapper {
            margin-top: 1.5rem;
        }
        .submit-button {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .spinner {
            width: 1.25rem;
            height: 1.25rem;
            animation: spin 1s linear infinite;
        }
        .hidden {
            display: none;
        }
        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* Instructor Section */
        .instructor-layout {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3rem;
        }
        .instructor-image-wrapper {
            flex-shrink: 0;
            width: 100%;
            max-width: 300px;
        }
        .instructor-image {
            border-radius: 50%;
            border: 4px solid #f59e0b;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
        }
        .instructor-bio h2 {
            font-size: 1.875rem;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 1rem;
        }
        .instructor-bio h2 a {
            color: inherit; /* Make link color same as h2 */
        }
        .instructor-bio p {
            font-size: 1.125rem;
            color: #374151;
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        /* Audience Section */
        .audience-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .audience-card {
            background-color: #fff;
            padding: 2rem;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
        }
        .audience-card-suitable {
             border: 2px solid #22c55e; /* green-500 */
        }
        .audience-card-unsuitable {
             border: 2px solid #ef4444; /* red-500 */
        }
        .audience-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 1rem;
        }
        .audience-card-suitable h3 {
            color: #16a34a; /* green-600 */
        }
        .audience-card-unsuitable h3 {
            color: #dc2626; /* red-600 */
        }
        .audience-list {
            list-style-position: inside;
            padding-right: 0;
            color: #4b5563;
        }
        .audience-list li {
            margin-bottom: 0.75rem;
        }
        
        /* Accordion styles for audience card */
        .audience-card summary {
            cursor: pointer;
            list-style: none; /* remove default marker */
            position: relative;
            padding-left: 2rem;
        }
        .audience-card summary::-webkit-details-marker {
            display: none; /* hide marker for chrome */
        }
        .audience-card summary h3 {
            display: inline;
        }
        .audience-card summary::after {
            content: '▼';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%) rotate(0deg);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }
        .audience-card[open] > summary::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .audience-list-wrapper {
            margin-top: 1rem;
        }


        /* Call to Action Section */
        .cta-section {
            background-color: #1f2937; /* gray-800 */
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #facc15; /* yellow-400 */
        }
        .cta-section p {
            color: #d1d5db; /* gray-300 */
            margin-bottom: 1.5rem;
        }
        .cta-section a {
             color: #facc15; /* yellow-400 */
        }

        /* Footer */
        .page-footer {
            border-top: 1px solid #e5e7eb;
            text-align: center;
            color: #6b7280;
            padding: 1.5rem 0;
        }
        
        .form-group-full {
            grid-column: 1 / -1;
        }

        /* Responsive Styles */
        @media (min-width: 640px) {
            .hero-section {
                padding-top: 6rem;
                padding-bottom: 4rem;
            }
            .captcha-flex-group {
                flex-direction: row;
                align-items: center;
            }
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.75rem;
            }
            .hero-subtitle {
                font-size: 1.25rem;
            }
            .form-grid, .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .instructor-layout {
                flex-direction: row;
                text-align: right;
            }
            .instructor-image-wrapper {
                 width: 33.33%;
            }
            .instructor-bio {
                width: 66.67%;
            }
            .cta-section h2 {
                 font-size: 2.25rem;
            }
        }