:root {
    --primary-color: #87f200;
    --secondary-color: rgba(135, 242, 0, 0.3);
    --background-color: #0c1419;
    --surface-color: #1a232a;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --spacing: 20px;
    --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing);
    background-color: var(--surface-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing);
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--background-color) !important;
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color) !important;
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing) * 2);
    padding-top: 80px;
}

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

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing);
}

.hero-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing);
    justify-content: center;
}

@media (min-width: 769px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockup {
    width: 100%;
    max-width: 400px;
    animation: float 6s ease-in-out infinite;
}

#services {
    padding: calc(var(--spacing) * 2);
}

#services h2 {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing);
}

.service-card {
    background-color: var(--surface-color);
    padding: var(--spacing);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing);
}

.service-card h3 {
    margin-bottom: calc(var(--spacing) / 2);
}

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

#why-choose-us {
    padding: calc(var(--spacing) * 2);
    background-color: var(--surface-color);
}

#why-choose-us h2 {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: var(--spacing);
    text-align: center;
    background-color: var(--background-color);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing);
}

.feature-card h3 {
    margin-bottom: calc(var(--spacing) / 2);
    color: var(--primary-color);
}

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

footer {
    background-color: var(--surface-color);
    color: var(--text-secondary);
    padding: calc(var(--spacing) * 2);
}

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

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

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: calc(var(--spacing) / 2);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: 0.3s;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--surface-color);
    padding: 80px var(--spacing) var(--spacing);
    transition: 0.3s;
    z-index: 1000;
}

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

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.mobile-nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    display: block;
    padding: 10px 0;
}

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

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@media (max-width: 768px) {
    #hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: calc(var(--spacing) * 2);
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}