html {
  background-color: transparent;
}

body {
    font-family: "Sora", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    background: url('../images/background.png') no-repeat center center / cover;
    background-attachment: fixed;
}

.title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: #333333;
}

.navbar {
    background: rgba(0, 0, 0, 0.5);
}

.navbar-brand {
    color: #e0e0e0;
}

footer {
    background: rgba(0, 0, 0, 0.5);
    margin-top: auto;
    padding: 2rem 5%;
    text-align: center;
    color: #e0e0e0;
}

footer .disclaimer {
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

footer .footer-links a {
    color: #61a0ff;
    font-size: 0.9rem;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.3s ease, border-bottom 0.3s ease;
}

.btn-primary {
    background-color: #2258BF;
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #1a4aa1;
}

.book {
  transition: transform .2s;
  cursor: pointer;
}

.book:hover {
  transform: scale(1.25) rotate(2.5deg);
}