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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(to bottom, #d7dde2, #b8c2cc);
    color: #111;
    min-height: 100vh;
}

/* Header */
.site-header {
    width: 100%;
    border-bottom: 4px solid #111;
    box-shadow: 0 3px 0 #666;
}

/* Top banner */
.top-banner {
    background: linear-gradient(to right, #dfe5ea, #aab7c3);
    border-bottom: 3px solid #111;
    text-align: center;
    padding: 20px 10px;
    position: relative;
}

.top-banner h1 {
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #111;
    text-shadow: 2px 2px 0 #fff;
}

.top-banner p {
    margin-top: 6px;
    font-size: 0.95rem;
    color: #222;
    font-weight: bold;
}

/* Nav bar */
.retro-nav {
    background: #111;
    border-top: 2px solid #444;
    border-bottom: 2px solid #444;
}

.retro-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.retro-nav li {
    margin: 0;
}

.retro-nav a {
    display: block;
    padding: 14px 26px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    color: white;
    border-right: 2px solid #2b2b2b;
    background: linear-gradient(to bottom, #2a2a2a, #111);
    transition: 0.2s ease;
}

.retro-nav li:first-child a {
    border-left: 2px solid #2b2b2b;
}

.retro-nav a:hover {
    background: linear-gradient(to bottom, #00a2ff, #005f99);
    color: #fff200;
}

/* Main content */
.content-box {
    width: 85%;
    max-width: 1000px;
    margin: 30px auto;
    background: #f3f6f8;
    border: 4px solid #7d8d9c;
    box-shadow: 6px 6px 0 #6a7680;
    padding: 30px;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 18px;
    margin-top: 30px;
    background: #111;
    color: white;
    border-top: 3px solid #444;
    font-size: 0.9rem;
}

/* Optional page-specific styling */
.page-home .content-box {
    border-color: #4e89c7;
}

.page-projects .content-box {
    border-color: #3b9b6d;
}

.page-interests .content-box {
    border-color: #c78b2a;
}

.page-about .content-box {
    border-color: #b84d7d;
}

/* Mobile */
@media (max-width: 768px) {
    .top-banner h1 {
        font-size: 1.7rem;
    }

    .retro-nav ul {
        flex-direction: column;
    }

    .retro-nav a {
        text-align: center;
        border-left: none;
        border-right: none;
        border-bottom: 1px solid #333;
    }

    .content-box {
        width: 92%;
        padding: 20px;
    }
}