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

body {
    background-color: #f5f7fa;
    color: #1f2933;
    line-height: 1.6;
}

/* =========================
   HEADER (GRID)
   ========================= */
.site-header {
    background-color: #0b3558;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas: "logo nav";
    align-items: center;
    column-gap: 24px;
    padding: 20px 40px;
}

/* Logo container gives contrast and spacing */
.logo-container {
    grid-area: logo;
    background-color: #ffffff;
    padding: 4px 8px;   /* slightly tighter */
    border-radius: 6px;
    display: flex;
    align-items: center;
}

/* Increase logo size and keep aspect ratio */
.logo-container img {
    height: 130px;          /* bigger */
    width: auto;
    display: block;
}

/* Nav sits in the right grid column on desktop */
.main-nav {
    grid-area: nav;
    justify-self: end;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.main-nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 24px;
    font-weight: 500;
}

.main-nav a:hover {
    text-decoration: underline;
}

/* =========================
   PAGE CONTENT
   ========================= */
.content {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

#hero {
    margin-bottom: 50px;