:root {
    --primary: #2ECC71;
    --primary-dark: #27AE60;
    --background: #0D0D0D;
    --surface: #1A1A1A;
    --text: #F8F9FA;
    --text-secondary: #A0A0A0;
    --border: #333333;
    --gradient: linear-gradient(135deg, #2ECC71 0%, #3498DB 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

nav {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-icon {
    width: 140px;
    height: 48px;
    object-fit: contain;
}

.hero-icon {
    width: 240px;
    height: 120px;
    margin-bottom: 40px;
    object-fit: contain;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 32px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.hero {
    padding: 80px 0 80px;
    text-align: center;
}

h1 {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-secondary {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.features {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 18px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--surface);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--primary);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.screenshots {
    padding: 80px 0;
    background: #111;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    justify-items: center;
}

.screenshot-img {
    width: 250px;
    border-radius: 40px;
    border: 8px solid var(--surface);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transition: transform 0.3s;
}

.screenshot-img:hover {
    transform: translateY(-10px) rotate(2deg);
}

footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--text);
}

@media (max-width: 768px) {
    h1 {
        font-size: 48px;
    }
    .cta-group {
        flex-direction: column;
    }
}