:root {
    --bg: #020617;
    --surface: #0f172a;
    --card: #111827;
    --border: #1e293b;
    --primary: #38bdf8;
    --text: #e2e8f0;
    --muted: #94a3b8;
}

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

body {
    background: radial-gradient(circle at top left, #0f172a, #020617);
    color: var(--text);
    font-family: Arial, sans-serif;
}

.navbar {
    position: sticky;
    top: 0;
    padding: 20px 50px;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.logo {
    color: var(--primary);
    font-size: 28px;
    font-weight: bold;
}

nav a {
    color: var(--text);
    text-decoration: none;
    margin-left: 20px;
}

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 100px 50px;
    background:
        linear-gradient(rgba(2,6,23,0.7), rgba(2,6,23,0.9)),
        url('https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=2070');
    background-size: cover;
    background-position: center;
}

.hero-content {
    max-width: 700px;
}

.badge {
    display: inline-block;
    padding: 10px 15px;
    border: 1px solid var(--primary);
    border-radius: 50px;
    margin-bottom: 20px;
    color: var(--primary);
}

.hero h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    color: var(--muted);
    font-size: 18px;
    margin-bottom: 30px;
}

.hero-buttons button {
    padding: 15px 25px;
    background: var(--primary);
    border: none;
    color: #000;
    font-weight: bold;
    border-radius: 8px;
    margin-right: 15px;
    cursor: pointer;
}

.hero-buttons .secondary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.section {
    padding: 80px 50px;
}

.section h2 {
    font-size: 40px;
    margin-bottom: 40px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(56, 189, 248, 0.2);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
}

.timeline-item {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--card);
    border-left: 4px solid var(--primary);
    border-radius: 10px;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 700px;
}

input,
textarea {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: white;
}

button {
    width: fit-content;
}

@media(max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }

    .navbar {
        flex-direction: column;
        gap: 15px;
    }
}