* {
    box-sizing: border-box;
}

 :root {
    --primary-color: #0078d4;
    --bg-dark: #1e1e1e;
    --text-light: #ffffff;
    --text-muted: #cccccc;
    --card-bg: #2d2d2d;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

header {
    padding: 1rem 2rem;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-icon {
    width: 32px;
    height: 32px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
}

.hero {
    text-align: center;
    padding: 6rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero p { font-size: 1.25rem; color: var(--text-muted); margin-bottom: 2rem; }

.btn {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin: 0 0.5rem;
    display: inline-block;
}

.primary { background: var(--primary-color); color: white; }
.secondary { border: 1px solid var(--primary-color); color: var(--primary-color); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

.screenshots { text-align: center; padding-bottom: 4rem; }
.screenshots img { max-width: 100%; border-radius: 2px; }
.shadow { box-shadow: 0 20px 50px rgba(0,0,0,0.5); }

.features { padding: 4rem 0; background: #161616; }
.features h2 { text-align: center; margin-bottom: 3rem; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.download-section { padding: 6rem 0; text-align: center; }
.download-links { margin-top: 2rem; display: flex; justify-content: center; gap: 2rem; }
.download-links a { color: var(--primary-color); text-decoration: none; font-weight: bold; }

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid #333;
    color: #777;
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.pill {
    display: inline-block;
    background: var(--card-bg);
    color: #777;
    padding: 2px 12px;
    border-radius: 10px;
    font-size: 0.85rem;
    margin: 4px 2px;
    border: 1px solid #161616;
    font-weight: 600;
}

@media (max-width: 768px) {
    header { padding: 1rem; }
    nav { flex-direction: column; gap: 1.5rem; }
    nav ul { gap: 1rem; padding: 0; flex-wrap: wrap; justify-content: center; }
    nav a { padding: 0.5rem; }

    .hero { padding: 4rem 1rem; }
    .hero h1 { font-size: 2.25rem; }
    .hero p { font-size: 1.1rem; }

    .cta { display: flex; flex-direction: column; gap: 1rem; }
    .btn { margin: 0; width: 100%; text-align: center; }

    .container { padding: 0 1.25rem; }

    .features { padding: 3rem 0; }
    .grid { gap: 1.5rem; }

    .download-section { padding: 4rem 0; }
    .download-links {
        flex-direction: column;
        gap: 1.25rem;
        align-items: center;
    }
    .download-links a { padding: 0.5rem; }
}