html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Lato','Segoe UI','Roboto','Arial','sans-serif';
    padding-bottom: 50px; /* Add padding to prevent content from being hidden by footer */
}

body {
    background-image: url("college2.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
    min-height: 100vh;
}

/* Header & Nav */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2.5rem 1rem 2.5rem;
    background: rgba(255,255,255,0.75);
    position: relative;
    z-index: 2;
}

.logo {
    height: 60px;
    margin-right: 1.5rem;
}

nav .nav-buttons {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    text-decoration: none;
    color: #2471A3;
    background: none;
    border: 2px solid #2471A3;
    border-radius: 40px;
    padding: 0.5rem 1.3rem;
    transition: all 0.25s;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
}

.nav-btn:hover, .nav-btn.admin-btn:hover {
    background: #2471A3;
    color: #fff;
    box-shadow: 0 2px 16px #2471A371;
}

.nav-btn.admin-btn {
    border-color: #27AE60;
    color: #27AE60;
}
.nav-btn.admin-btn:hover {
    background: #27AE60;
    color: #fff;
}

/* Content Card */
main {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.content-card {
    max-width: 700px;
    width: 90vw;
    background: rgba(60, 86, 126, 0.678);
    border-radius: 25px;
    border: 2px solid #EFF4FF;
    padding: 2rem 2.2rem 2rem 2.2rem;
    box-shadow: 0 6px 38px 0 rgba(44, 62, 80, 0.23);
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(5px);
    animation: cardFade 1s;
    font-family: sans-serif;
}

@keyframes cardFade {
    0% { opacity: 0; transform: translateY(-30px);}
    100% { opacity: 1; transform: none;}
}

.content-card p {
    color: #fff;
    font-size: 1.18rem;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.05rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.action-btn {
    background: linear-gradient(90deg, #27AE60 40%, #1E8449 90%);
    color: #fff;
    padding: 0.7rem 2.2rem;
    font-size: 1.15rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: background 0.25s, transform 0.1s;
    font-weight: bold;
    box-shadow: 0 4px 14px #1E8449AA;
    letter-spacing: 0.04em;
}

.action-btn:hover, .action-btn:focus {
    background: linear-gradient(90deg, #1E8449 20%, #27AE60 80%);
    transform: scale(1.04);
    outline: none;
}