:root {
    --navy: #0b1c39;
    --blue: #2c7ef8;
    --light-blue: #4da3ff;
    --bg-light: #f9f9f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--navy);
}

header {
    background: var(--navy);
    padding: 1rem 5%;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-height: 50px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--light-blue);
}

.hero {
    background: linear-gradient(rgba(11,28,57,0.7), rgba(11,28,57,0.7)), url('https://placehold.co/1920x800') center/cover;
    color: white;
    padding: 8rem 5%;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn {
    background: var(--blue);
    color: white;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: var(--light-blue);
}

.services-section, .contact-section {
    padding: 4rem 5%;
    text-align: center;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    border-bottom: 4px solid var(--blue);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-section {
    background: var(--bg-light);
}

form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

input:focus, textarea:focus {
    border-color: var(--blue);
    outline: none;
}

footer {
    background: var(--navy);
    color: white;
    text-align: center;
    padding: 1.5rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2rem;
    }
}