/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #2a2a2a 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: #00d4ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #00a8ff;
}

code {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    backdrop-filter: blur(10px);
}

/* Navigation - Glassmorphism */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: #ffffff;
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    filter: brightness(1.2);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: #e0e0e0;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #00d4ff;
}

.github-link {
    background: linear-gradient(135deg, #24292e, #1a1a1a);
    color: white !important;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.github-link:hover {
    background: linear-gradient(135deg, #1a1a1a, #24292e);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    text-decoration: none !important;
}

/* Hero section - Dark gradient with glass elements */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg,
        rgba(15, 15, 15, 0.9) 0%,
        rgba(26, 26, 26, 0.9) 50%,
        rgba(42, 42, 42, 0.9) 100%),
        radial-gradient(circle at 30% 40%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.02)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.02)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-logo {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 20px rgba(202, 202, 202, 0.3));
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    opacity: 0.9;
    color: #e0e0e0;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.7;
    color: #cccccc;
}

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

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

.hero-main-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    opacity: 0.8;
    filter: drop-shadow(0 8px 40px rgba(150, 150, 150, 0.2));
    transition: filter 0.3s ease;
}

.hero-main-logo:hover {
    filter: drop-shadow(0 8px 40px rgba(234, 234, 234, 0.4));
}

/* Buttons - Glassmorphism */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.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;
}

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

.btn-primary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    color: #0f0f0f;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.8));
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.8), rgba(0, 212, 255, 0.6));
    color: white;
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.9), rgba(0, 212, 255, 0.7));
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.4);
}

/* Sections */
section {
    padding: 80px 0;
    position: relative;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

/* About section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #cccccc;
}

.platform-support h3 {
    margin: 30px 0 20px;
    font-size: 1.2rem;
    color: #ffffff;
}

.platforms {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.platform {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.platform:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.platform-icon {
    font-size: 1.5rem;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.coming-soon {
    opacity: 0.6;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    object-fit: contain;
}

/* Features section */
.features {
    background: linear-gradient(135deg,
        rgba(15, 15, 15, 0.95) 0%,
        rgba(26, 26, 26, 0.95) 100%);
    backdrop-filter: blur(20px);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card .feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 10px rgba(224, 224, 224, 0.3));
}

.feature-icon-container {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.feature-icon-container .feature-icon {
    width: 70px;
    height: 70px;
    filter: drop-shadow(0 2px 10px rgba(224, 224, 224, 0.3));
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: #cccccc;
    line-height: 1.6;
}

/* Download section */
.download-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.download-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.8), rgba(0, 212, 255, 0.6));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
}

.step-content h3 {
    margin-bottom: 10px;
    color: #ffffff;
}

.step-content p {
    color: #cccccc;
    line-height: 1.6;
}

.download-links {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.download-note {
    margin-top: 20px;
    color: #cccccc;
    font-size: 0.9rem;
}

/* Security section */
.security-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.security-main {
    margin-bottom: 50px;
}

.security-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 20px rgba(0, 212, 255, 0.3));
}

.security-main h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.security-main p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #cccccc;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.security-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.security-check {
    color: #28a745;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Contacts section */
.contacts-content {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.contact-item a {
    color: #00d4ff;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    color: #e0e0e0;
    text-align: center;
    padding: 30px 0;
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .download-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .platforms {
        flex-direction: column;
        gap: 15px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contacts-content {
        flex-direction: column;
        gap: 20px;
    }

    .step {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    section h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 30px 20px;
    }
}

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

section {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Active navigation highlighting */
.nav-links a.active {
    color: #00d4ff;
    font-weight: 600;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #00d4ff, #ff6b35);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #00a8ff, #e55a2b);
}