header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    transition: 0.3s;
}

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

/* HERO SECTION */
.hero {
    margin-top: 100px;
    padding: 8rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #f8f9fa 0%, #ffffff 100%);
    border: none;
    border-bottom: 1px solid var(--border-glass);
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 600;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.accent {
    color: var(--accent);
}

.subtitle {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.25rem;
    color: var(--text-muted);
}

/* BUTTONS */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(52, 152, 219, 0.3);
}

/* COMPARISON */
.comparison {
    padding: 8rem 0;
    background: #fdfdfd;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.tech-card {
    padding: 3rem;
    text-align: left;
}

.tech-card.featured {
    background: white;
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.data-point {
    font-size: 2.5rem;
    font-weight: 500;
    margin: 1rem 0;
    color: var(--accent);
}

.font-mono {
    font-family: var(--font-mono);
}