/* Reset و تنظیمات پایه */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #7209b7;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --light-bg: #f8f9fa;
    --dark-text: #2b2d42;
    --light-text: #8d99ae;
    --white: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --gradient: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
}

body {
    font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
    line-height: 1.7;
    color: var(--dark-text);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* هدر مدرن */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    text-align: center;
    font-size: 2.2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-weight: 700;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-weight: 600;
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav a:hover {
    background: var(--gradient);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* بخش اصلی */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 900px;
    width: 100%;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: rgba(67, 97, 238, 0.1);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature span:first-child {
    font-size: 2rem;
}

.feature span:last-child {
    font-weight: 600;
    color: var(--dark-text);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* فرم‌ها */
.form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 700px;
    width: 100%;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-size: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--dark-text);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.submit-btn {
    width: 100%;
    margin-top: 1rem;
    font-size: 1.1rem;
    padding: 1.2rem;
}

.no-software {
    background: #fff3cd;
    color: #856404;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 1rem;
    border-left: 4px solid #ffc107;
}

.license-form {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* پیام‌ها */
.message {
    padding: 1.2rem;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    border-left: 4px solid;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border-left-color: #28a745;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

/* باکس اطلاعات */
.info-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
    border-right: 4px solid var(--primary-color);
}

.info-box h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-box ul {
    list-style: none;
    padding-right: 0;
}

.info-box li {
    margin-bottom: 0.8rem;
    padding-right: 1rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-box li:before {
    content: "✓";
    color: var(--success-color);
    font-weight: bold;
}

/* فوتر */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.1);
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    nav a {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-features {
        gap: 1rem;
    }
    
    .feature {
        padding: 0.8rem 1rem;
    }
    
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.6rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature {
        width: 100%;
        max-width: 200px;
    }
}

/* انیمیشن‌ها */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero, .form-container {
    animation: fadeInUp 0.8s ease-out;
}