/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: #e2e8f0;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.language-switcher {
    display: flex;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 25px;
    padding: 4px;
    gap: 4px;
}

.lang-btn {
    background: none;
    border: none;
    color: #e2e8f0;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: #3b82f6;
    color: white;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 2px solid rgba(59, 130, 246, 0.3);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.banner-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 24px;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #f1f5f9;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list li::before {
    content: '✓';
    color: #3b82f6;
    font-weight: bold;
    font-size: 16px;
}

.feature-subsection {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.feature-subsection h4 {
    color: #94a3b8;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Gallery Section */
.gallery {
    padding-bottom: 120px; /* Increased spacing */
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(59, 130, 246, 0.2);
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.8) 0%, rgba(29, 78, 216, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 48px;
    color: white;
}

/* Download Section */
.download {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(29, 78, 216, 0.1) 100%);
    padding: 100px 0;
    position: relative;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-card {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 30px;
    padding: 80px 50px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px;
    font-size: 48px;
    color: white;
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4);
}

.download-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #f1f5f9;
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.3rem;
    color: #94a3b8;
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.download-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: #cbd5e1;
    font-weight: 600;
    text-align: center;
}

.download-feature i {
    color: #3b82f6;
    font-size: 32px;
    width: 70px;
    height: 70px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.download-feature:hover i {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-5px);
}

.btn-download {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    font-size: 18px;
    padding: 18px 40px;
    margin-top: 20px;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.9);
    padding: 40px 0;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-brand-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #3b82f6;
}

.footer-text {
    color: #94a3b8;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.3);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    padding: 30px;
    text-align: center;
    color: white;
}

.modal-header i {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.modal-body {
    padding: 40px 30px;
    color: #e2e8f0;
}

.download-step {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.step-number {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin: 0 0 15px 0;
    color: #f1f5f9;
    font-size: 1.3rem;
    font-weight: 600;
}

.step-content p {
    margin: 0 0 20px 0;
    color: #cbd5e1;
    line-height: 1.6;
}

.telegram-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    text-decoration: none;
    padding: 15px 25px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.telegram-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.5);
}

.telegram-link i {
    font-size: 20px;
}

.download-btn-modal {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.download-btn-modal:disabled {
    background: #64748b;
    cursor: not-allowed;
    opacity: 0.6;
}

.download-btn-modal:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.joined-btn {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.joined-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.download-note {
    font-size: 14px;
    color: #94a3b8;
    margin: 15px 0;
    font-style: italic;
}

.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 25px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.close:hover {
    opacity: 0.7;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: -40px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 30px;
        padding: 50px 20px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 15px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    }
    
    .language-switcher {
        justify-content: center;
        margin-top: 20px;
    }
    
    .nav-container {
        padding: 15px 20px;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 60px 20px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .banner-image {
        max-width: 100%;
        height: auto;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .section-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-card {
        padding: 60px 30px;
        margin: 0 20px;
        border-radius: 25px;
    }
    
    .download-icon {
        width: 80px;
        height: 80px;
        font-size: 36px;
        margin-bottom: 30px;
    }
    
    .download-title {
        font-size: 2.2rem;
    }
    
    .download-subtitle {
        font-size: 1.1rem;
        margin-bottom: 40px;
    }
    
    .download-features {
        flex-direction: column;
        gap: 30px;
        text-align: center;
        margin-bottom: 40px;
    }
    
    .download-feature {
        flex-direction: row;
        justify-content: center;
        gap: 15px;
    }
    
    .download-feature i {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    /* Modal responsive improvements */
    .modal-content {
        margin: 10% auto;
        width: 95%;
        max-width: 500px;
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: 25px 20px;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-header i {
        font-size: 36px;
        margin-bottom: 10px;
    }
    
    .modal-body {
        padding: 30px 20px;
    }
    
    .download-step {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .step-number {
        align-self: flex-start;
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .step-content h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .step-content p {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .telegram-link {
        padding: 12px 20px;
        font-size: 14px;
        border-radius: 10px;
        gap: 10px;
    }
    
    .telegram-link i {
        font-size: 18px;
    }
    
    .download-btn-modal {
        padding: 12px 25px;
        font-size: 15px;
        border-radius: 10px;
        gap: 8px;
        margin-bottom: 12px;
        width: 100%;
        justify-content: center;
    }
    
    .joined-btn {
        padding: 10px 20px;
        font-size: 13px;
        border-radius: 8px;
        gap: 6px;
        width: 100%;
        justify-content: center;
    }
    
    .download-note {
        font-size: 13px;
        margin: 12px 0;
        text-align: center;
    }
    
    .close {
        font-size: 24px;
        top: 12px;
        right: 20px;
    }
    
    /* Lightbox responsive */
    .lightbox-content img {
        max-width: 95%;
        max-height: 80vh;
    }
    
    .lightbox-close {
        font-size: 30px;
        top: 10px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 10px 15px;
        height: 60px;
    }
    
    .nav-menu {
        gap: 12px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .download-card {
        padding: 40px 20px;
    }
}