:root {
    --bg: #050505;
    --fg: #e0e0e0;
    --accent: #00ffaa;
    --accent-hover: #00cc88;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(10, 10, 10, 0.7);
    --glass-blur: 15px;
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 2rem;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--accent);
    text-decoration: none;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--fg);
    font-weight: 500;
    transition: color 0.3s;
}

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

section {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: #fff;
    margin-bottom: 1.5rem;
}

.hero {
    text-align: center;
    padding: 8rem 2rem;
    background: radial-gradient(circle at center, rgba(0, 255, 170, 0.1) 0%, transparent 70%);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.5rem;
    color: #aaa;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    background: var(--accent);
    color: #000;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s, background 0.3s;
}

.cta-button:hover {
    transform: scale(1.05);
    background: var(--accent-hover);
}

.mullai-preview {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    margin-top: 4rem;
    text-align: left;
    backdrop-filter: blur(5px);
}

.mullai-preview h2 {
    color: var(--accent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 15px;
    transition: border-color 0.3s;
}

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

footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border);
    color: #666;
}

/* Oat Utility Overrides */
button, .button {
    background-color: var(--accent);
    color: #000;
    border: none;
}

button:hover, .button:hover {
    background-color: var(--accent-hover);
}