/* ===== style.css ===== */
:root {
    --primary-blue: #4f46e5;
    --primary-purple: #7c3aed;
    --primary-dark: #312e81;
    --glow-blue: rgba(79, 70, 229, 0.4);
    --glow-purple: rgba(124, 58, 237, 0.4);
    --dark-bg: #0a0a1a;
    --glass-bg: rgba(15, 15, 50, 0.7);
    --glass-border: rgba(79, 70, 229, 0.2);
    --text-primary: #f0f0ff;
    --text-secondary: #a8a8d0;
    --text-muted: #6b6b8f;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Vazirmatn', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--dark-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.8;
    overflow-x: hidden;
    direction: rtl;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary-blue), var(--primary-purple)); border-radius: 10px; }

.container { max-width: 1300px; margin: 0 auto; padding: 0 20px; }

/* ===== تیترها ===== */
.section-header { text-align: center; margin-bottom: 45px; }
.section-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.section-title span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle { color: var(--text-secondary); font-size: 1rem; }

/* ===== پس‌زمینه ===== */
.background-layers {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100vh;
    z-index: -2;
    overflow: hidden;
}
.bg-layer {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
    background-size: cover;
    background-position: center;
}
.bg-layer.active { opacity: 1; }
#bg-video {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%; min-height: 100%;
    object-fit: cover;
}
.bg-overlay {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 10, 30, 0.75);
}
#particle-canvas {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== هدر ===== */
.main-header {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1300px;
    z-index: 1000;
    padding: 10px 25px;
    background: var(--glass-bg);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: slideDown 0.7s ease-out;
}
@keyframes slideDown {
    from { top: -100px; opacity: 0; transform: translateX(-50%) scale(0.95); }
    to { top: 15px; opacity: 1; transform: translateX(-50%) scale(1); }
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    text-decoration: none;
    color: #fff;
    letter-spacing: 1px;
}
.logo span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo:hover { filter: brightness(1.2); }

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}
.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    padding-bottom: 3px;
    transition: all 0.3s ease;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    transition: width 0.3s ease;
}
.main-nav a:hover, .main-nav a.active {
    color: #fff;
}
.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    padding: 8px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: #fff;
    box-shadow: 0 0 20px var(--glow-purple);
}
.btn-primary:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 0 30px var(--glow-blue);
}
.btn-glass {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
}
.btn-glass:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}
.btn-hero {
    padding: 16px 40px;
    font-size: 1.05rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.mobile-menu-toggle:hover { color: var(--primary-purple); }

/* ===== نوار اخبار ===== */
.news-ticker {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    z-index: 99;
    background: rgba(10, 10, 30, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 7px 0;
}
.news-ticker .container {
    display: flex;
    align-items: center;
    gap: 15px;
    overflow: hidden;
}
.news-label {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
}
.ticker-content {
    display: flex;
    gap: 50px;
    white-space: nowrap;
    animation: tickerScroll 25s linear infinite;
}
.ticker-content span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}
@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== هیرو ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 140px 20px 60px;
    position: relative;
}
.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-shadow: 0 0 40px rgba(79, 70, 229, 0.3);
}
.hero-title span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 35px;
    font-weight: 300;
}
.hero-buttons {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 45px;
}

/* اطلاعات سرور */
.server-stats {
    display: flex;
    gap: 45px;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 18px 40px;
    flex-wrap: wrap;
}
.server-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}
.server-stats .stat-item i {
    font-size: 1.4rem;
    color: var(--primary-blue);
}
.server-stats .stat-item .label {
    color: var(--text-secondary);
}
.server-stats .stat-item .value {
    color: #fff;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.05rem;
}

.scroll-down {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}
.scroll-down a {
    color: var(--text-secondary);
    font-size: 2.2rem;
    transition: all 0.3s ease;
    display: block;
    opacity: 0.6;
}
.scroll-down a:hover { color: var(--primary-purple); opacity: 1; }
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===== گالری ===== */
.gallery-section {
    padding: 70px 0 90px;
    background: rgba(0,0,0,0.2);
}
.gallery-slider {
    position: relative;
    width: 100%;
    max-width: 950px;
    height: 450px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 50px rgba(79, 70, 229, 0.12);
}
.gallery-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}
.gallery-slide.active { opacity: 1; }
.slide-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 30px 25px 25px;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
}
.slide-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: #fff;
}
.slide-overlay p { color: var(--text-secondary); font-size: 0.9rem; }

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    margin-top: 20px;
}
.slider-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.slider-btn:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    transform: scale(1.08);
}
.slider-dots {
    display: flex;
    gap: 8px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}
.slider-dot.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    width: 28px;
    border-radius: 8px;
}

/* ===== ویژگی‌ها ===== */
.features-section { padding: 70px 0; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 35px 25px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
}
.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.15);
}
.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(124,58,237,0.12));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: #fff;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.feature-tag {
    display: inline-block;
    padding: 3px 14px;
    border-radius: 50px;
    background: rgba(79,70,229,0.12);
    color: var(--primary-blue);
    font-size: 0.7rem;
    font-weight: 600;
}

/* ===== آمار ===== */
.stats-section {
    padding: 50px 0 70px;
    background: rgba(0,0,0,0.25);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.stat-item-box {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 30px 15px;
    border-radius: 18px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}
.stat-item-box:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
}
.stat-item-box i {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    color: #fff;
    margin: 6px 0;
}
.stat-label { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== سوالات متداول ===== */
.faq-section { padding: 70px 0; }
.faq-grid {
    max-width: 850px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}
.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.faq-item:hover { border-color: var(--primary-blue); }
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 22px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.faq-question h3 {
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
}
.faq-question i {
    font-size: 1.3rem;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 22px;
}
.faq-item.active .faq-answer {
    max-height: 150px;
    padding: 0 22px 18px;
}
.faq-answer p { color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem; }

/* ===== فوتر ===== */
.main-footer {
    padding-top: 60px;
    border-top: 1px solid var(--glass-border);
    background: rgba(10, 10, 30, 0.95);
}
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 35px;
    padding-bottom: 40px;
}
.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}
.footer-col h4 span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-col p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}
.footer-col ul li a:hover {
    color: var(--primary-blue);
    padding-right: 6px;
}
.contact-info li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.contact-info li i { color: var(--primary-blue); font-size: 1.1rem; }

.social-icons {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}
.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}
.social-icons a:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: #fff;
    transform: translateY(-4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid rgba(79,70,229,0.08);
}
.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.footer-bottom p span { color: var(--primary-blue); font-weight: 600; }
.back-to-top {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    border: none;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 25px var(--glow-purple);
}

/* ===== ریسپانسیو ===== */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 30, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 1001;
        padding: 30px;
    }
    .main-nav.active {
        display: flex;
        right: 0;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .main-nav a { font-size: 1.2rem; }
    .mobile-menu-toggle { display: block; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .hero-title { font-size: 3.5rem; }
    .server-stats { gap: 18px; padding: 12px 22px; }
    .gallery-slider { height: 350px; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn-hero { width: 100%; max-width: 280px; justify-content: center; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .social-icons { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 12px; }
    .gallery-slider { height: 250px; }
    .server-stats { flex-direction: column; align-items: center; border-radius: 16px; padding: 15px 20px; }
    .news-ticker { top: 65px; }
    .section-title { font-size: 2rem; }
    .slide-overlay h3 { font-size: 1.2rem; }
    .main-header { padding: 8px 18px; top: 10px; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .btn { padding: 6px 14px; font-size: 0.75rem; }
    .btn-hero { padding: 10px 20px !important; font-size: 0.85rem !important; }
    .gallery-slider { height: 200px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-number { font-size: 2rem; }
    .logo { font-size: 1.2rem; }
    .server-stats .stat-item { font-size: 0.8rem; }
}