:root {
    --primary-color: #1a365d;
    --secondary-color: #e6f2ff;
    --accent-color: #e53e3e;
    --dark-brown: #8d6e63;
    --yellow: #fef9c3;
    --light-blue: #bee3f8;
    --white: #ffffff;
    --gray: #4a5568;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazir', sans-serif;
    text-decoration: none;
}

body {
    background-color: #f7fafc;
    color: #2d3748;
    line-height: 1.6;
}

/* نوار اعلانات */
.announcement-bar {
    background-color: var(--dark-brown);
    color: white;
    text-align: center;
    padding: 10px 0;
    font-size: 15px;
    font-weight: bold;
}

.announcement-bar i {
    margin-left: 5px;
    color: #f6ad55;
}

/* هدر اصلی */
.main-header {
    background: linear-gradient(135deg, var(--primary-color), #2c5282);
    color: white;
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

/* افکت گرافیکی مثلثی */
.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
    z-index: 1;
}

/* محتوای هدر */
.header-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* نوار اعلانات بالای هدر */
.announcement-bar {
    background-color: var(--dark-brown);
    color: white;
    text-align: center;
    padding: 12px 0;
    font-size: 15px;
    font-weight: bold;
    position: relative;
    z-index: 3;
}

.announcement-bar i {
    margin-left: 5px;
    color: #f6ad55;
}

/* لوگو */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.floating-text {
    animation: float 3s ease-in-out infinite;
    font-size: 48px;
    font-weight: bold;
    color: #f6ad55;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.4);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.fixed-text {
    font-size: 18px;
    margin-top: 10px;
    color: #e2e8f0;
    font-weight: 500;
}

.main-header h1 {
    margin: 20px 0 15px;
    font-size: 32px;
    color: white;
    line-height: 1.4;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.main-header p {
    font-size: 18px;
    max-width: 900px;
    margin: 0 auto 30px;
    color: #e2e8f0;
    line-height: 1.7;
}

/* دکمه‌های هدر */
.header-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 40px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 17px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    min-width: 220px;
}

.btn i {
    font-size: 20px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.3);
}

.btn-primary:hover {
    background-color: #c53030;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(229, 62, 62, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    border-color: white;
}

/* استایل برای موبایل */
@media (max-width: 768px) {
    .main-header {
        min-height: 450px;
    }
    
    .floating-text {
        font-size: 36px;
    }
    
    .main-header h1 {
        font-size: 26px;
    }
    
    .main-header p {
        font-size: 16px;
        padding: 0 15px;
    }
    
    .header-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .header-buttons .btn {
        width: 90%;
        max-width: 300px;
    }
}

/* محتوای اصلی */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.seo-content {
    text-align: justify;
    line-height: 1.8;
    background-color: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 4px 25px rgba(0,0,0,0.08);
}

.seo-content h1,
.seo-content h2, 
.seo-content h3, 
.seo-content h4 {
    color: var(--primary-color);
    margin: 30px 0 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
}

.seo-content h1 {
    font-size: 28px;
    text-align: center;
}

.seo-content h2 {
    font-size: 26px;
}

.seo-content h3 {
    font-size: 22px;
}

.seo-content h4 {
    font-size: 18px;
}

.seo-content p {
    margin-bottom: 20px;
    text-align: justify;
    font-size: 16px;
    line-height: 1.8;
}

/* تصاویر وسط چین */
.image-center {
    text-align: center;
    margin: 25px 0;
}

.seo-content img {
    max-width: 90%;
    height: auto;
    border-radius: 12px;
    margin: 0 auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    display: block;
    border: 3px solid var(--secondary-color);
}

.main-image {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
}

.highlight {
    background-color: var(--yellow);
    padding: 22px;
    border-radius: 12px;
    margin: 30px 0;
    border-right: 6px solid var(--accent-color);
    text-align: center;
    font-weight: bold;
    font-size: 16px;
}

.highlight i {
    color: var(--accent-color);
    margin-left: 8px;
}

/* ویژگی‌های پیش‌نمایش */
.features-preview {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 12px;
    margin: 35px 0;
    border: 2px dashed var(--primary-color);
}

.features-preview h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 22px;
}

.features-preview ul {
    list-style-type: none;
    margin: 20px 0;
    padding-right: 0;
}

.features-preview li {
    margin-bottom: 12px;
    padding: 12px 20px;
    padding-right: 60px;
    position: relative;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    transition: all 0.3s ease;
    border-right: 3px solid transparent;
}

.features-preview li:hover {
    border-right-color: var(--accent-color);
    transform: translateX(-5px);
    background-color: white;
}

.features-preview li i {
    position: absolute;
    right: 20px;
    color: var(--accent-color);
    font-size: 18px;
    top: 50%;
    transform: translateY(-50%);
}

.text-center {
    text-align: center;
}

.full-width {
    width: 100%;
    margin-top: 25px;
}

/* پیش‌نمایش قیمت‌ها */
.pricing-preview-section {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(to left, #f8fafc, #edf2f7);
    border-radius: 15px;
    border: 2px solid var(--primary-color);
}

.pricing-preview-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 26px;
}

.pricing-preview-section p {
    text-align: center;
    margin-bottom: 30px;
    color: var(--gray);
    font-size: 16px;
}

.pricing-preview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
}

@media (max-width: 1200px) {
    .pricing-preview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-preview {
        grid-template-columns: 1fr;
    }
}

.plan-card-preview {
    background-color: white;
    border: 2px solid var(--secondary-color);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.plan-card-preview:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
    border-color: var(--accent-color);
}

.plan-card-preview h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.plan-price-preview {
    margin: 20px 0;
}

.plan-price-preview .price {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-color);
    display: block;
}

.plan-price-preview .currency {
    font-size: 18px;
    color: var(--gray);
}

.plan-period {
    color: var(--primary-color);
    font-weight: bold;
    margin: 10px 0;
    font-size: 15px;
}

.monthly-price {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 20px;
    font-style: italic;
}

.btn-small {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 14px;
    transition: background-color 0.3s ease;
    margin-top: 10px;
    width: 100%;
    text-align: center;
}

.btn-small:hover {
    background-color: var(--accent-color);
}

/* پیش‌نمایش سوالات متداول */
.faq-preview {
    background-color: var(--light-blue);
    padding: 30px;
    border-radius: 12px;
    margin: 35px 0;
    border: 2px solid #90cdf4;
}

.faq-preview h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 24px;
}

.faq-preview h4 {
    color: var(--primary-color);
    margin: 25px 0 15px;
    font-size: 18px;
    padding-right: 15px;
}

.faq-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: white;
    padding: 15px 25px;
    border-radius: 30px;
    color: var(--primary-color);
    font-weight: bold;
    margin: 15px 0;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.faq-link:hover {
    border-color: var(--accent-color);
    transform: translateX(-5px);
    color: var(--accent-color);
}

.faq-link i {
    color: var(--accent-color);
    font-size: 20px;
}

/* فوتر */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 50px 20px 20px;
    margin-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    margin-bottom: 25px;
    font-size: 22px;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 12px;
    display: inline-block;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #cbd5e0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.footer-links a:hover {
    color: white;
    padding-right: 15px;
}

.footer-links a i {
    color: var(--accent-color);
    font-size: 18px;
}

.footer-section p {
    color: #cbd5e0;
    line-height: 1.7;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section p i {
    color: #f6ad55;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
    font-size: 20px;
}

.social-icons a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: #cbd5e0;
    font-size: 15px;
}

.copyright strong {
    color: #f6ad55;
}

/* دکمه آموزش نصب */
.install-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: linear-gradient(45deg, #3182ce, #2c5aa0);
    color: white;
    padding: 14px 22px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(49, 130, 206, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: bold;
    font-size: 15px;
    animation: pulse 2s infinite;
    border: none;
    cursor: pointer;
}

.install-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(49, 130, 206, 0.6);
    background: linear-gradient(45deg, #2c5aa0, #3182ce);
}

.install-btn i {
    font-size: 18px;
}

@keyframes pulse {
    0% { box-shadow: 0 5px 20px rgba(49, 130, 206, 0.4); }
    50% { box-shadow: 0 5px 25px rgba(49, 130, 206, 0.7); }
    100% { box-shadow: 0 5px 20px rgba(49, 130, 206, 0.4); }
}

/* بخش هشدار و نکات فنی */
.technical-warning {
    background: linear-gradient(to right, #fff5f5, #fed7d7);
    border: 2px solid #fc8181;
    border-radius: 15px;
    padding: 30px;
    margin: 40px 0;
    box-shadow: 0 5px 20px rgba(252, 129, 129, 0.15);
}

.technical-warning h3 {
    color: #c53030;
    text-align: center;
    margin-bottom: 25px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.technical-warning h3 i {
    font-size: 26px;
}

.warning-content {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #fed7d7;
}

.warning-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px dashed #fed7d7;
}

.warning-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.warning-item h4 {
    color: #2d3748;
    font-size: 18px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.warning-item h4 i {
    color: #e53e3e;
}

.warning-item p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 10px;
}

.warning-note {
    background-color: #fff5f5;
    padding: 12px 15px;
    border-right: 4px solid #e53e3e;
    border-radius: 8px;
    margin-top: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: bold;
}

.warning-note i {
    color: #e53e3e;
    margin-top: 2px;
}

.satellite-list {
    list-style: none;
    margin: 15px 0;
    padding-right: 0;
}

.satellite-list li {
    margin-bottom: 8px;
    padding-right: 30px;
    position: relative;
    color: #2d3748;
}

.satellite-list li i {
    position: absolute;
    right: 0;
    color: #38a169;
    font-size: 16px;
}

.note {
    background-color: #e6fffa;
    padding: 10px 15px;
    border-radius: 8px;
    border-right: 3px solid #38a169;
    margin-top: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
}

.note i {
    color: #38a169;
    margin-top: 2px;
}

.final-note {
    background-color: #fefcbf;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #d69e2e;
    margin-top: 20px;
}

.final-note h4 {
    color: #744210;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.final-note h4 i {
    color: #d69e2e;
}

.final-note p {
    color: #744210;
    line-height: 1.7;
}

/* بخش کیفیت و جزئیات فنی */
.quality-section {
    background: linear-gradient(to right, #ebf8ff, #bee3f8);
    border: 2px solid #4299e1;
    border-radius: 15px;
    padding: 30px;
    margin: 40px 0;
    box-shadow: 0 5px 20px rgba(66, 153, 225, 0.15);
}

.quality-section h3 {
    color: #2b6cb0;
    text-align: center;
    margin-bottom: 30px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.quality-section h3 i {
    font-size: 26px;
}

.quality-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.quality-item {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    border: 1px solid #bee3f8;
}

.quality-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

.quality-item h4 {
    color: #2d3748;
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quality-item h4 i {
    color: #4299e1;
    font-size: 20px;
}

.quality-item p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 15px;
}

/* رسپانسیو */
@media (max-width: 768px) {
    .technical-warning,
    .quality-section {
        padding: 20px;
        margin: 30px 0;
    }
    
    .technical-warning h3,
    .quality-section h3 {
        font-size: 22px;
    }
    
    .warning-content {
        padding: 20px;
    }
    
    .warning-item {
        margin-bottom: 20px;
        padding-bottom: 20px;
    }
    
    .quality-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .quality-item {
        padding: 20px;
    }
}

/* نوار پایین */
.footer-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(90deg, var(--accent-color), #c53030);
    border-top: 2px solid white;
    border-radius: 10px 10px 0 0;
    text-align: center;
    padding: 14px 0;
    box-shadow: 0 -3px 15px rgba(0,0,0,0.15);
    z-index: 999;
}

.footer-bar a {
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 17px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-bar a:hover {
    background-color: white;
    color: var(--accent-color);
    transform: scale(1.05);
}

.footer-bar a i {
    font-size: 20px;
}

/* رسپانسیو */
@media (max-width: 1200px) {
    .main-content {
        padding: 35px 15px;
    }
    
    .seo-content {
        padding: 30px;
    }
}

@media (max-width: 992px) {
    header h1 {
        font-size: 26px;
    }
    
    .floating-text {
        font-size: 36px;
    }
    
    .header-buttons {
        gap: 15px;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 15px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header {
        padding: 30px 15px;
    }
    
    header h1 {
        font-size: 24px;
    }
    
    .floating-text {
        font-size: 32px;
    }
    
    .header-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .header-buttons .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
    
    .seo-content {
        padding: 25px 20px;
    }
    
    .seo-content h2 {
        font-size: 24px;
    }
    
    .seo-content h3 {
        font-size: 20px;
    }
    
    .pricing-preview {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .plan-card-preview {
        padding: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .install-btn {
        bottom: 75px;
        right: 15px;
        padding: 12px 18px;
        font-size: 14px;
    }
    
    .footer-bar a {
        font-size: 15px;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 20px 10px;
    }
    
    .seo-content {
        padding: 20px 15px;
    }
    
    .floating-text {
        font-size: 28px;
    }
    
    header h1 {
        font-size: 22px;
    }
    
    header p {
        font-size: 16px;
    }
    
    .seo-content h2 {
        font-size: 22px;
    }
    
    .features-preview {
        padding: 20px;
    }
    
    .faq-preview {
        padding: 20px;
    }
    
    .install-btn {
        bottom: 70px;
        right: 10px;
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .footer-bar a {
        font-size: 14px;
        padding: 8px 15px;
    }
}