:root {
    --primary: #0070f3;
    --primary-glow: radial-gradient(rgba(0, 112, 243, 0.4), rgba(0, 112, 243, 0));
    --background: #000000;
    --text: #ffffff;
    --secondary-text: #888888;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* Background Glows */
.glow-top {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: var(--primary-glow);
    filter: blur(80px);
    z-index: -1;
}

/* Header */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 0;
}

h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 0.9;
    margin-bottom: 2rem;
}

.gradient-text {
    background: linear-gradient(to bottom right, #fff 30%, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-text);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.6;
}

/* Buttons */
.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #ddd;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--card-bg);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding-bottom: 8rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 16px;
    text-align: left;
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease;
}

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

.feature-card h3 {
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--secondary-text);
    line-height: 1.5;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0;
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
}