* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    scroll-behavior: smooth;
    color: #333;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: #0f172a;
    height: 80px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span { color: #38bdf8; }

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    color: white;
    text-decoration: none;
    padding: 0 20px;
    transition: 0.3s;
}

.nav-links li a:hover { color: #38bdf8; }

/* Hero Section */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero h1 span { color: #38bdf8; }

.btn-primary {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: #38bdf8;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

/* Services */
.services { padding: 80px 10%; text-align: center; }

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.service-card {
    padding: 30px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}