/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0f1a;
    color: #e0e0e0;
    line-height: 1.6;
}

header {
    background: linear-gradient(90deg, #0a0f1a, #1a1f3a);
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid #00ffcc;
    box-shadow: 0 0 15px #00ffcc88;
}

header h1 {
    color: #00ffcc;
    font-size: 2.5rem;
}

.hero {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b') center/cover no-repeat;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 26, 0.8);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    color: #00ffaa;
    margin-bottom: 15px;
}

section {
    padding: 60px 20px;
    text-align: center;
}