header {
    background-color: rgba(5, 11, 36, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 2px;
}

.logo span {
    color: var(--color-ochre-light);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-menu a {
    color: #cccccc;
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--color-text-light);
    border-bottom: 2px solid var(--color-ochre-light);
    padding-bottom: 4px;
}

.launch-box {
    background-color: rgba(5, 11, 36, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
}

.launch-box h3 {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
    color: var(--color-text-light);
}

.event-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.event-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.event-details h4 {
    font-size: 15px;
    margin-bottom: 2px;
    color: #ffffff;
}

.event-details p {
    font-size: 13px;
    color: #bbbbbb;
    margin-bottom: 0;
}

.instagram-banner {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #cccccc;
}

.instagram-banner a {
    color: var(--color-ochre-light);
    text-decoration: none;
    font-weight: bold;
}

.catalog-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 20px;
}

.book-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-neutral);
    border: 1px solid #eeeeee;
    transition: transform 0.3s;
}

.book-card:hover {
    transform: translateY(-5px);
}

.book-cover-mock {
    height: 320px;
    position: relative;
    background-color: #333;
}

.book-cover-mock img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cover-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    color: white;
    align-items: center;
}

.cover-content h2 {
    font-size: 38px;
    line-height: 1;
    margin-bottom: 10px;
}

.cover-content p {
    font-size: 14px;
    opacity: 0.9;
}

.neon-accent {
    color: var(--color-magenta-neon);
    text-shadow: 0 0 10px rgba(255,50,150,0.5);
}

.book-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.book-tag {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    color: var(--color-ochre);
    margin-bottom: 10px;
}

.book-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--color-blue-navy);
}

.book-description {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
    text-align: justify;
}

.book-meta {
    font-size: 13px;
    font-style: italic;
    color: #777777;
    border-top: 1px solid #e5e0da;
    padding-top: 15px;
}

footer {
    background-color: var(--color-footer-bg);
    padding: 60px 20px 40px 20px;
    border-top: 1px solid #d5cfc6;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
}

.chancelas-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    border-bottom: 1px solid #c5beb3;
    padding-bottom: 40px;
    margin-bottom: 30px;
}

.chancela-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chancela-label {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    color: #666666;
}

.chancela-logos {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.logo-mock {
    font-family: 'Arial Black', var(--font-sans);
    font-size: 18px;
    letter-spacing: -0.5px;
    color: #111111;
}

.logo-mock span {
    color: #e63228;
}

.logo-usp {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: bold;
    color: #333333;
}

.logo-usp-sub {
    font-size: 8px;
    text-transform: uppercase;
    line-height: 1.1;
    color: #555555;
    max-width: 140px;
    border-left: 1px solid #999999;
    padding-left: 6px;
}

.logo-ma {
    font-family: var(--font-serif);
    font-size: 18px;
    color: #222222;
}

.logo-sp {
    font-size: 11px;
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
    color: #000000;
    border-left: 3px solid #e63228;
    padding-left: 6px;
}

.logo-sp span {
    display: block;
    font-size: 7px;
    font-weight: normal;
    color: #444444;
}

.copyright-text {
    text-align: center;
    font-size: 13px;
    color: #777777;
}

@media (max-width: 992px) {
    .catalog-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .chancelas-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
    }
}