:root {
    --navy: #1a234e;
    --bright-blue: #00a9e0;
    --light-blue: #70d1f4;
    --white: #ffffff;
    --off-white: #f4f7f9;
}

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

body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--navy);
    background-color: var(--white);
}

header {
    background: var(--white);
    padding: 20px 5%;
    border-bottom: 3px solid var(--bright-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container img { height: 60px; }

nav ul { list-style: none; display: flex; }
nav ul li { margin-left: 25px; }
nav ul li a { 
    text-decoration: none; 
    color: var(--navy); 
    font-weight: 600; 
    text-transform: uppercase; 
    font-size: 0.85rem; 
}

nav ul li a:hover { color: var(--bright-blue); }

.hero {
    background: linear-gradient(135deg, var(--navy) 0%, #2a3a7a 100%);
    color: var(--white);
    padding: 80px 5%;
    text-align: center;
}

.hero h1 { font-size: 2.5rem; margin-bottom: 10px; }
.subtitle { font-size: 1.2rem; color: var(--light-blue); margin-bottom: 25px; font-style: italic; }

section { padding: 60px 5%; max-width: 1000px; margin: 0 auto; }
h2 { color: var(--navy); margin-bottom: 20px; border-left: 5px solid var(--bright-blue); padding-left: 15px; }

footer {
    background: var(--navy);
    color: var(--white);
    padding: 40px 5%;
    text-align: center;
    margin-top: 50px;
}