.split-rectangle {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 2px solid #bdbdbd;
    max-width: 700px;
    min-height: 220px;
    transition: background 0.3s, border-color 0.3s;
}
.logo-rectangle {
    background: transparent;
    border-right: 1.5px solid #bdbdbd;
}
.mission-rectangle {
    background: transparent;
}
.main-centered {
    min-height: 80vh;
}
.logo-img {
    max-width: 200px;
}
.email-part {
    color: #338fd9;
    margin: 0 0px;
}
.email-sep {
    color: #fff;
    margin: 0 2px;
}
.email-part, .email-sep {
    font-weight: 500;
    display: inline;
    margin: 0;
    padding: 0;
}
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Nunito', 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f8f9fa;
    color: #222;
}
h6, .container {
    font-size: 0.9rem;
}
main {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-container {
    text-align: center;
}
.logo-container img {
    width: 200px;
    max-width: 80vw;
    height: auto;
}
footer {
    flex-shrink: 0;
    background: #222;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: relative;
}
@media (max-width: 600px) {
    .logo-container img {
        width: 120px;
    }
}
@media (prefers-color-scheme: dark) {
    body {
        background: #181a1b;
        color: #f8f9fa;
    }
    .split-rectangle {
        background: #23272b;
        border-color: #666;
    }
    .logo-rectangle {
        border-right: 1.5px solid #444;
    }
    .mission-rectangle {
        background: transparent;
    }
    footer {
        background: #111;
        color: #eee;
    }
    .email-part {
        color: #338fd9;
    }
    .email-sep {
        color: #eee;
    }
}
@media (prefers-color-scheme: light) {
    body {
        background: #f8f9fa;
        color: #222;
    }
    .split-rectangle {
        background: #fff;
        border-color: #bdbdbd;
    }
    .logo-rectangle {
        border-right: 1.5px solid #bdbdbd;
    }
    .mission-rectangle {
        background: transparent;
    }
    footer {
        background: #222;
        color: #fff;
    }
    .email-part {
        color: #338fd9;
    }
    .email-sep {
        color: #fff;
    }
}
@media (max-width: 767px) {
    .split-rectangle {
        flex-direction: column;
    }
    .logo-rectangle {
        border-right: none;
        border-bottom: 1.5px solid #bdbdbd;
    }
}
@media (max-width: 767px) {
    .split-rectangle {
        flex-direction: column;
    }
    .logo-rectangle {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }
}