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

        :root {
            --bg-body: #f0f4f8;
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(255, 255, 255, 0.5);
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --card-bg: rgba(255, 255, 255, 0.9);
            --hero-bg: linear-gradient(135deg, #0b2b40, #1a4a6e);
            --navbar-bg: rgba(255, 255, 255, 0.95);
            --footer-bg: #0f172a;
            --btn-bg: #1e6b8f;
            --btn-hover: #2d7f9e;
            --quote-bg: linear-gradient(145deg, #0b2b40, #1a3a4f);
            --stat-bg: rgba(255, 255, 255, 0.15);
            --input-bg: #ffffff;
            --input-border: #e2e8f0;
            --feature-border: #1e6b8f;
            --gold: #c9a03d;
            --btn-text: #ffffff;
            --success-bg: #22c55e;
            --success-text: #166534;
            --success-border: #22c55e;
            --danger-bg: #ef4444;
            --danger-text: #991b1b;
        }

        body.dark {
            --bg-body: #0f172a;
            --glass-bg: rgba(30, 35, 48, 0.85);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --card-bg: rgba(40, 45, 60, 0.85);
            --hero-bg: linear-gradient(135deg, #071a24, #0f2b3d);
            --navbar-bg: rgba(20, 25, 38, 0.95);
            --footer-bg: #0a0f1a;
            --btn-bg: #2d7f9e;
            --btn-hover: #3b9bc2;
            --stat-bg: rgba(255, 255, 255, 0.08);
            --input-bg: rgba(50, 55, 70, 0.9);
            --input-border: #334155;
            --feature-border: #2d7f9e;
            --btn-text: #f1f5f9;
            --success-bg: #065f46;
            --success-text: #a7f3d0;
            --success-border: #10b981;
        }

        body {
            font-family: system-ui, 'Segoe UI', 'Tahoma', sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.5;
            transition: all 0.3s ease;
        }

        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #e2e8f0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb {
            background: #1e6b8f;
            border-radius: 10px;
        }
        body.dark ::-webkit-scrollbar-track {
            background: #1e293b;
        }
        @media (max-width: 768px) {
            ::-webkit-scrollbar {
                width: 4px;
            }
        }

        /* نوار ناوبری */
        .navbar {
            background: var(--navbar-bg);
            backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--glass-border);
            padding: 0.5rem 1rem;
        }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo h2 {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #1a4a6e, #2563eb);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 1rem;
            list-style: none;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: 0.2s;
            padding: 0.4rem 0.8rem;
            border-radius: 2rem;
        }
        .nav-links a:hover {
            color: var(--btn-bg);
            background: rgba(30, 107, 143, 0.1);
        }
        .login-btn {
            background: var(--btn-bg);
            border: none;
            border-radius: 2rem;
            padding: 0.4rem 1rem;
            cursor: pointer;
            font-size: 0.8rem;
            transition: 0.2s;
            color: var(--btn-text);
            text-decoration: none;
            display: inline-block;
        }
        .login-btn:hover {
            background: var(--btn-hover);
            transform: translateY(-2px);
            color: white;
        }
        .dark-mode-toggle {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 2rem;
            padding: 0.4rem 0.9rem;
            cursor: pointer;
            font-size: 1rem;
            color: var(--text-primary);
            transition: 0.2s;
            font-weight: 500;
            
        }
        .dark-mode-toggle:hover {
            transform: scale(0.95);
            
        }
        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-primary);
            padding: 0.3rem 0.6rem;
            border-radius: 0.8rem;
            transition: background 0.2s;
        }
        .menu-toggle:hover {
            background: rgba(0,0,0,0.05);
        }

        /* بخش قهرمان */
        .hero {
            text-align: center;
            padding: 2rem 1rem;
            background: var(--hero-bg);
            color: white;
        }
        .hero h1 {
            font-size: 1.7rem;
            max-width: 850px;
            margin: 0 auto 0.5rem;
            font-weight: 800;
        }
        .hero p {
            font-size: 0.95rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto;
        }
        .years-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.2);
            padding: 0.2rem 1rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            margin-top: 0.8rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        /* پیام موفقیت و خطا */
        .success-message {
            background: var(--success-bg);
            color: var(--success-text);
            padding: 1rem;
            border-radius: 1rem;
            margin-bottom: 1rem;
            text-align: center;
            border-right: 4px solid var(--success-border);
            font-weight: 500;
            animation: fadeOut 4s forwards;
        }
        .error-message {
            background: var(--danger-bg);
            color: var(--danger-text);
            padding: 1rem;
            border-radius: 1rem;
            margin-bottom: 1rem;
            text-align: center;
            border-right: 4px solid var(--danger-bg);
            font-weight: 500;
            animation: fadeOut 4s forwards;
        }
        @keyframes fadeOut {
            0% { opacity: 1; transform: translateY(0); }
            70% { opacity: 1; transform: translateY(0); }
            100% { opacity: 0; transform: translateY(-10px); display: none; visibility: hidden; }
        }

        /* بخش ثبت‌نام */
        .register-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .register-box {
            display: flex;
            flex-wrap: wrap;
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border-radius: 1.5rem;
            overflow: hidden;
            border: 1px solid var(--glass-border);
        }
        .register-text {
            flex: 1;
            padding: 1.5rem;
        }
        .register-text .badge {
            background: #eef2ff;
            color: #1e40af;
            font-size: 0.7rem;
            padding: 0.2rem 0.8rem;
            border-radius: 2rem;
            display: inline-block;
        }
        body.dark .register-text .badge {
            background: #1e3a5f;
            color: #93c5fd;
        }
        .register-text h2 {
            font-size: 1.4rem;
            margin: 0.5rem 0;
        }
        .register-text p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .features-list {
            list-style: none;
            margin: 1rem 0;
        }
        .features-list li {
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .features-list li::before {
            content: "✓";
            background: #22c55e;
            color: white;
            width: 1.1rem;
            height: 1.1rem;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            flex-shrink: 0;
        }
        .btn-reg {
            background: var(--btn-bg);
            border: none;
            color: white;
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.85rem;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            transition: 0.2s;
        }
        .btn-reg:hover {
            background: var(--btn-hover);
            transform: translateY(-2px);
        }
        .register-img {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
        }
        .manager-card {
            background: linear-gradient(145deg, var(--btn-bg), var(--btn-hover));
            border-radius: 1.5rem;
            padding: 1.5rem;
            text-align: center;
            color: white;
            width: 100%;
            max-width: 220px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .manager-avatar {
            font-size: 4rem;
            background: rgba(255, 255, 255, 0.2);
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.8rem;
        }
        .manager-avatar img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
        }
        .manager-name {
            font-weight: bold;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
        }
        .manager-title {
            font-size: 0.7rem;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }
        .manager-quote {
            font-size: 0.7rem;
            font-style: italic;
            opacity: 0.8;
        }

        /* درباره ما */
        .about-long-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .about-card {
            background: var(--card-bg);
            border-radius: 1.5rem;
            padding: 1.8rem;
            border: 1px solid var(--glass-border);
        }
        .about-card h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--btn-bg);
            border-right: 4px solid var(--btn-bg);
            padding-right: 0.8rem;
        }
        .about-card p {
            margin-bottom: 0.8rem;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* چرا هنرستان */
        .why-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .why-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
        }
        .why-left, .why-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .why-image {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .why-image img {
            max-width: 100%;
            height: auto;
            border-radius: 1.5rem;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: 1.2rem;
            padding: 1.2rem;
            border: 2px solid var(--feature-border);
            transition: transform 0.2s;
        }
        .feature-card:hover {
            transform: translateY(-3px);
        }
        .feature-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        .feature-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .feature-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* رشته‌ها */
        .fields-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .section-title {
            text-align: center;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .underline {
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, #1e6b8f, var(--gold));
            margin: 0.3rem auto 1.5rem;
            border-radius: 3px;
        }
        .fields-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: stretch;
        }
        .quote-card {
            flex: 1.2;
            background: var(--quote-bg);
            border-radius: 1.5rem;
            padding: 1.8rem;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .quote-card .big-quote {
            font-size: 1.3rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0.8rem 0;
        }
        .stats-row {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
            flex-wrap: wrap;
        }
        .stat {
            background: var(--stat-bg);
            border-radius: 1rem;
            padding: 0.5rem;
            text-align: center;
            flex: 1;
        }
        .stat .num {
            font-size: 1.2rem;
            font-weight: 800;
            color: #ffd966;
        }
        .quote-extra {
            margin-top: 1.2rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.85rem;
            text-align: center;
        }
        .fields-list {
            flex: 2;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .row-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }
        .row-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        .field-card, .field-card-wide {
            background: var(--card-bg);
            border-radius: 1.2rem;
            padding: 1.2rem;
            text-align: center;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.6rem;
            border: 1px solid var(--glass-border);
            transition: transform 0.2s;
            height: 100%;
        }
        .field-card:hover, .field-card-wide:hover {
            transform: translateY(-5px);
        }
        .field-img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: 1rem;
        }
        .info-btn {
            background: transparent;
            border: 1.5px solid var(--btn-bg);
            color: var(--btn-bg);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .info-btn:hover {
            background: var(--btn-bg);
            color: white;
        }

        /* مدال‌ها */
        .medals-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .medals-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .medal-card {
            background: var(--card-bg);
            border-radius: 1.2rem;
            padding: 1.2rem;
            text-align: center;
            transition: transform 0.2s;
            border: 1px solid var(--glass-border);
        }
        .medal-card:hover {
            transform: translateY(-5px);
        }
        .medal-icon {
            font-size: 3rem;
            margin-bottom: 0.5rem;
        }
        .medal-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--btn-bg);
        }
        .medal-year {
            font-size: 0.8rem;
            color: var(--gold);
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .medal-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* سوالات متداول */
        .faq-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: 1rem;
            border: 1px solid var(--glass-border);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.2rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            background: var(--glass-bg);
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: rgba(30, 107, 143, 0.1);
        }
        .faq-question .faq-icon {
            font-size: 1.3rem;
            transition: transform 0.3s ease;
            color: var(--btn-bg);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            padding: 0 1.2rem;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.9rem;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.2rem 1rem 1.2rem;
        }

        /* نظرات */
        .comments-section {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .comments-container {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border-radius: 1.5rem;
            padding: 1.5rem;
            border: 1px solid var(--glass-border);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.7rem;
            border: 1px solid var(--input-border);
            border-radius: 1rem;
            background: var(--input-bg);
            color: var(--text-primary);
            font-family: inherit;
        }
        .rating-stars {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin: 0.5rem 0;
        }
        .star {
            font-size: 1.5rem;
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.1s;
        }
        .star.selected {
            color: #fbbf24;
        }
        .submit-comment {
            background: var(--btn-bg);
            color: white;
            border: none;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .submit-comment:hover {
            background: var(--btn-hover);
            transform: translateY(-2px);
        }
        .comments-list {
            margin-top: 1.5rem;
            max-height: 400px;
            overflow-y: auto;
        }
        .comment-item {
            background: var(--card-bg);
            border-radius: 1rem;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid var(--glass-border);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }
        .comment-name {
            font-weight: 700;
            color: var(--btn-bg);
        }
        .comment-date {
            font-size: 0.7rem;
            color: var(--text-secondary);
        }
        .comment-rating {
            margin-bottom: 0.5rem;
        }
        .comment-text {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 0.85rem;
        }

        /* دکمه توسعه‌دهنده */
        .dev-credit {
            text-align: center;
            margin-top: 20px;
            padding: 15px;
            border-top: 1px solid var(--glass-border);
        }
        .dev-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            color: white;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .dev-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0,0,0,0.2);
        }
        .dev-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        .dev-modal-content {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 30px;
            max-width: 400px;
            width: 90%;
            text-align: center;
            border: 1px solid var(--glass-border);
            box-shadow: 0 20px 35px rgba(0,0,0,0.2);
        }
        .dev-modal-content h3 {
            color: var(--btn-bg);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        .dev-modal-content p {
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .dev-modal-content .close-dev-modal {
            background: var(--btn-bg);
            color: white;
            border: none;
            padding: 8px 20px;
            border-radius: 40px;
            margin-top: 20px;
            cursor: pointer;
            font-size: 0.9rem;
        }

        /* فوتر */
        footer {
            background: var(--footer-bg);
            padding: 1.5rem 1rem 1rem;
            margin-top: 2rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .footer-col h4 {
            color: white;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }
        .footer-col p, .footer-col a {
            font-size: 0.75rem;
            color: #94a3b8;
            text-decoration: none;
            margin-bottom: 0.2rem;
            display: block;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--btn-bg);
        }
        .social-icons {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .social-icons a {
            background: #1e293b;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.7rem;
            transition: 0.2s;
            color: white;
            text-decoration: none;
        }
        .social-icons a:hover {
            background: var(--btn-bg);
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #1e293b;
            padding-top: 1rem;
            margin-top: 1rem;
            font-size: 0.7rem;
            color: #94a3b8;
        }

        /* ریسپانسیو */
        @media (max-width: 850px) {
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                text-align: center;
                padding: 0.8rem 0;
                gap: 0.5rem;
            }
            .nav-links.show {
                display: flex;
            }
            .register-box {
                flex-direction: column;
            }
            .register-img {
                order: -1;
                padding-bottom: 0;
            }
            .fields-wrapper {
                flex-direction: column;
            }
            .row-3, .row-2 {
                grid-template-columns: 1fr;
            }
            .why-container {
                flex-direction: column;
            }
            .why-left, .why-right {
                width: 100%;
            }
            .why-image {
                order: -1;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .field-img {
                width: 95px;
                height: 95px;
            }
            .medals-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .field-img {
                width: 90px;
                height: 90px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 0.8rem 1rem;
            }
            .logo h2 {
                font-size: 1rem;
            }
        }
/* Global dark mode fixes */
body.dark, body.dark * { transition: background-color .2s,color .2s,border-color .2s; }
body.dark .glass-card, body.dark .card, body.dark .feature-card, body.dark .contact-form, body.dark .info-item, body.dark .hero, body.dark .content-section { background: rgba(30,41,59,.92) !important; color: #f8fafc !important; border-color:#475569 !important; }
body.dark a, body.dark p, body.dark h1, body.dark h2, body.dark h3, body.dark h4, body.dark li, body.dark span, body.dark label { color:#f8fafc !important; }