:root {
    --bg-color: #0b0b0b;
    --accent-color: #f39c12;
    --text-light: #ffffff;
    --card-bg: #1a1a1a;
}

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-light);
}

.navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px 8%;
    background: rgba(0,0,0,0.9);
    border-bottom: 1px solid #333;
}

.logo { font-size: 24px; font-weight: 700; }
.logo span { color: var(--accent-color); }

.nav-links { list-style: none; display: flex; }
.nav-links li { margin-left: 30px; }
.nav-links a { color: white; text-decoration: none; transition: 0.3s; }
.nav-links a:hover { color: var(--accent-color); }

.hero-section {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7), var(--bg-color)), url('https://source.unsplash.com/random/1600x900/?tech');
    background-size: cover;
}

.hero-text h1 { font-size: 3.5rem; margin-bottom: 20px; }

.btn-main {
    padding: 15px 40px;
    background: var(--accent-color);
    color: black;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
}

.features { padding: 50px 8%; display: flex; gap: 20px; }
.feature-box {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #222;
    flex: 1;
}

footer { text-align: center; padding: 40px; border-top: 1px solid #222; margin-top: 50px; }