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

    body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: #1e293b;
    color: #e5e7eb;
    line-height: 1.7;
    overflow-x: hidden;
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    }

    /* ===========================
    Theme Colors
    =========================== */
    :root {
    --primary: #3b82f6;
    --secondary: #1e40af;
    --accent: #06b6d4;
    --light: #f1f5f9;
    --dark: #0f172a;
    --gradient: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    }

    /* ===========================
    Layout
    =========================== */
    .container {
    max-width: 1200px;
    }

    .text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    }

    /* ===========================
    Hero Button
    =========================== */
    .hero-btn {
    position: relative;
    overflow: hidden;
    }

    .hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
    }

    .hero-btn:hover::before {
    left: 100%;
    }

    /* ===========================
    Cards & Shadows
    =========================== */
    .stat-card, .service-card, .testimonial-card, .blog-card, .faq-item {
    border-radius: 1.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    }

    .stat-card::before, .service-card::before, .testimonial-card::before, .blog-card::before, .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    }

    .stat-card:hover::before, .service-card:hover::before, .testimonial-card:hover::before, .blog-card:hover::before, .faq-item:hover::before {
    transform: scaleX(1);
    }

    .service-icon i {
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.3));
    }

    /* ===========================
    Form Container & Curtain Effect
    =========================== */
    #form-container {
    position: relative;
    height: 800px; /* Increased for additional inputs */
    overflow: hidden;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 1.5rem;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.4), 0 10px 10px rgba(0, 0, 0, 0.3);
    }

    .form-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    }

    #curtain-divider {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ===========================
    Form Input Styles
    =========================== */
    input, textarea, select {
    background: #374151;
    border: 2px solid #4b5563;
    color: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0.75rem;
    }

    input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
    background: #4b5563;
    }

    input:invalid, textarea:invalid, select:invalid {
    border-color: #ef4444;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
    }

    /* Custom Select Styles */
    select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    background: #374151 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7' /%3E%3C/svg%3E") no-repeat right 0.75rem center/1rem 1rem;
    }

    select option {
    background: #374151;
    color: #ffffff;
    padding: 0.5rem;
    }

    select option:hover {
    background: var(--primary);
    }

    /* Custom File Uploader Styles */
    input[type="file"] {
    padding: 0.5rem;
    }

    input[type="file"]::file-selector-button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
    }

    input[type="file"]::file-selector-button:hover {
    background: var(--secondary);
    }

    /* Drag and Drop Area */
    .form-element .border-dashed {
    transition: border-color 0.3s ease;
    }

    .form-element .border-dashed:hover {
    border-color: var(--primary);
    }

    /* Checkbox and Radio Styles */
    .checkbox, input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    background: #374151;
    border: 2px solid #4b5563;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    }

    .checkbox:checked, input[type="radio"]:checked {
    background: var(--primary);
    border-color: var(--primary);
    }

    .checkbox:checked::after {
    content: '\2713';
    color: white;
    font-size: 1rem;
    position: absolute;
    top: -2px;
    left: 2px;
    }

    input[type="radio"] {
    border-radius: 50%;
    }

    input[type="radio"]:checked::after {
    content: '';
    background: white;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    }

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

    .form-stack label {
    font-size: 0.9rem;
    font-weight: 500;
    }

    /* ===========================
    Button Styles
    =========================== */
    button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
    }

    button:hover::before {
    left: 100%;
    }

    button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    }

    .fa-spinner {
    animation: spin 1s linear infinite;
    }

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

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

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

    .stars i {
    animation: twinkle 2s infinite;
    }

    @keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
    }

    /* ===========================
    Footer
    =========================== */
    footer a {
    transition: color 0.3s ease;
    }

    footer ul {
    list-style: none;
    }

    /* ===========================
    Responsive
    =========================== */
    @media (max-width: 768px) {
    .text-5xl { font-size: 3rem; }
    .text-7xl { font-size: 4rem; }
    .min-h-screen { min-height: 100vh; }
    main { padding-top: 20px; }
    .service-card, .testimonial-card, .blog-card, .faq-item {
    padding: 1.5rem;
    }
    #form-container {
    height: auto;
    min-height: 800px;
    }
    }

    /* ===========================
    Custom Scrollbar
    =========================== */
    body::-webkit-scrollbar {
    width: 8px;
    }

    body::-webkit-scrollbar-track {
    background: #1e293b;
    }

    body::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
    }

    body::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
    }