/* -----------------------------------
   OS3 Global Styles — Light Theme
----------------------------------- */

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f7fb; /* clean light tech background */
    color: #1a1a1a;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* -----------------------------------
   Header
----------------------------------- */

header {
    padding: 40px 20px;
}

header img {
    width: 780px; /* bigger logo */
    height: auto;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.8rem;
    margin: 0;
    letter-spacing: 1px;
    color: #0b1e3c; /* matches logo tone */
}

p.tagline {
    font-size: 1.2rem;
    opacity: 0.7;
    margin-top: 8px;
    color: #123a63;
}

/* -----------------------------------
   Services Section
----------------------------------- */

.services {
    margin-top: 50px;
    max-width: 900px;
    padding: 20px;
}

.services h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #0b1e3c;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.service-card {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #d9e2ec;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.1);
}

/* -----------------------------------
   Footer
----------------------------------- */

footer {
    margin-top: 60px;
    padding: 20px;
    opacity: 0.7;
    font-size: 0.9rem;
    color: #0b1e3c;
}