/* Base styles and CSS Reset */
:root {
    --primary-color: #2563eb;
    --secondary-color: #dc2626;
    --accent-color: #1e40af;
    --dark-bg: #111827;
    --darker-bg: #0f172a;
    --text-color: #f8fafc;
    --text-secondary: #cbd5e1;
    --light-bg: #1e293b;
    --white: #fff;
    --black: #000;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-light: 0 5px 15px rgba(59, 130, 246, 0.2);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--dark-bg);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--darker-bg);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border-left: 2px solid var(--primary-color);
    padding: 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.close-menu {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-bg);
    transition: var(--transition);
}

.mobile-nav a:hover {
    color: var(--primary-color);
}

/* Navigation */
header {
    background: var(--darker-bg);
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--primary-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 900;
}

.desktop-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-links {
    display: none;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-bg) 50%, var(--primary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, var(--secondary-color) 0%, transparent 30%),
                radial-gradient(circle at 70% 80%, var(--primary-color) 0%, transparent 30%);
    opacity: 0.3;
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    animation: float 20s linear infinite;
    opacity: 0.2;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
    }
}

/* Features Section */
.features {
    padding: 5rem 1rem;
    background: var(--dark-bg);
}

.features h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--light-bg);
    border: 1px solid var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card:hover {
    background: var(--darker-bg);
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card h3 {
    color: var(--white);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Download Section */
.download {
    padding: 5rem 1rem;
    background: var(--darker-bg);
    text-align: center;
}

.download h2 {
    color: var(--white);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.download-options {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.download-button:hover {
    background: var(--secondary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.download-button.android:hover {
    box-shadow: 0 5px 15px rgba(34, 197, 94, 0.4);
}

.download-button img {
    width: 24px;
    height: 24px;
}

/* FAQ Section */
.faq {
    padding: 5rem 1rem;
    background: var(--dark-bg);
}

.faq h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--light-bg);
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 1rem;
    max-height: 500px;
}

.faq-answer p, .faq-answer ol, .faq-answer li {
    color: var(--text-secondary);
}

/* News Section */
.news {
    padding: 5rem 1rem;
    background: var(--darker-bg);
}

.news h2 {
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: var(--light-bg);
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
}

.news-card h3 {
    color: var(--white);
}

.news-card p {
    color: var(--text-secondary);
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
}

/* About Section */
.about {
    padding: 5rem 1rem;
    background: var(--dark-bg);
    text-align: center;
}

.about h2 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.about p {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Newsletter Signup */
.newsletter-signup {
    padding: 3rem 1rem;
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    text-align: center;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
}

.newsletter-form input {
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Floating Elements */
/* Footer */
footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 2rem 1rem;
    border-top: 2px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--light-bg);
    color: var(--text-secondary);
}

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--white);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.scroll-to-top.visible {
    display: flex;
}

.floating-cta {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: none;
}

.floating-cta.visible {
    display: block;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    border: 2px solid transparent;
}

.cta-button.primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.cta-button.primary:hover {
    background: var(--secondary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

/* Desktop Styles */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 2rem;
    }
    
    .nav-links a {
        color: var(--text-color);
        text-decoration: none;
        transition: var(--transition);
        position: relative;
    }
    
    .nav-links a:hover {
        color: var(--primary-color);
    }
    
    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--primary-color);
        transition: var(--transition);
    }
    
    .nav-links a:hover::after {
        width: 100%;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .download-buttons {
        flex-direction: row;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-form {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}