:root {
    --navy: #0B1320;
    --paper: #F6F1E6;
    --paper-dark: #E5DFC8;
    --green: #2A9D8F;
    --amber: #E9C46A;
    --red: #E76F51;
    --text-main: #1a202c;
    --text-muted: #4a5568;
    --font-heading: 'Georgia', serif;
    --font-body: 'Helvetica Neue', Arial, sans-serif;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--paper);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--navy);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: var(--green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--red);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    background-color: var(--navy);
    color: var(--paper);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--paper);
    text-transform: lowercase;
}

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

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: var(--paper);
    font-size: 0.95rem;
    font-weight: 500;
}

nav a:hover {
    color: var(--amber);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--paper);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-color: var(--navy);
    color: var(--paper);
    padding: 6rem 0;
    text-align: center;
    border-bottom: 5px solid var(--amber);
}

.hero h1 {
    color: var(--paper);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: #cbd5e0;
}

.btn {
    display: inline-block;
    background-color: var(--green);
    color: var(--paper);
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #21867a;
    color: var(--paper);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--amber);
    color: var(--amber);
}

.btn-outline:hover {
    background-color: var(--amber);
    color: var(--navy);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: #fff;
    border-top: 1px solid var(--paper-dark);
    border-bottom: 1px solid var(--paper-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--red);
}

/* Category Cards */
.category-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

a.category-card {
    background-color: #fff;
    border: 1px solid var(--paper-dark);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

a.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(11, 19, 32, 0.1);
}

a.category-card h3 {
    margin-bottom: 1rem;
    color: var(--navy);
}

a.category-card p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

a.category-card .btn {
    align-self: flex-start;
}

/* Book Grid & Cards */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.book-card {
    background-color: #fff;
    border: 1px solid var(--paper-dark);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(11, 19, 32, 0.1);
}

.book-card-header {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--paper-dark);
    padding-bottom: 1rem;
}

.book-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.book-author {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
}

.book-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.chip {
    background-color: var(--paper);
    color: var(--navy);
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid var(--amber);
    font-weight: 500;
}

.chip.label {
    background-color: var(--green);
    color: var(--paper);
    border-color: var(--green);
}

.book-meta {
    flex-grow: 1;
}

.book-meta h4 {
    font-size: 1rem;
    margin: 1rem 0 0.2rem;
    color: var(--navy);
}

.book-meta p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.read-more-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--red);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Category Index Pages */
.category-section {
    margin-bottom: 5rem;
    scroll-margin-top: 100px;
}

.category-title {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--amber);
}

/* Editorial Content / Reading Notes */
.editorial-layout {
    max-width: 800px;
    margin: 0 auto;
}

.note-entry {
    background: #fff;
    padding: 3rem;
    border-radius: 8px;
    margin-bottom: 3rem;
    border: 1px solid var(--paper-dark);
}

.note-date {
    color: var(--green);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
}

.note-entry h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.note-entry p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.note-entry blockquote {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.3rem;
    border-left: 4px solid var(--amber);
    padding-left: 1.5rem;
    margin: 2rem 0;
    color: var(--navy);
}

/* Book Profiles */
.breadcrumbs {
    font-size: 0.9rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--navy);
    text-decoration: underline;
}

.breadcrumbs a:hover {
    color: var(--red);
}

.book-profile-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--amber);
}

.book-profile-header h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.book-profile-content h3 {
    margin-top: 2rem;
    font-size: 1.5rem;
    color: var(--green);
}

.related-reading {
    margin-top: 4rem;
    border-top: 1px solid var(--paper-dark);
    padding-top: 2rem;
}

.related-reading h3 {
    margin-bottom: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--navy);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: var(--font-body);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

#form-message {
    display: none;
    padding: 1rem;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    margin-top: 1rem;
}

/* Footer */
footer {
    background-color: var(--navy);
    color: var(--paper);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--amber);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a, .footer-col button {
    color: #cbd5e0;
    text-decoration: none;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0;
}

.footer-col a:hover, .footer-col button:hover {
    color: var(--paper);
}

.footer-disclaimer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: #a0aec0;
}

.footer-disclaimer p {
    margin-bottom: 0.5rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 -5px 15px rgba(0,0,0,0.1);
    padding: 1.5rem 0;
    z-index: 9999;
    display: none;
    border-top: 4px solid var(--green);
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.cookie-text {
    flex: 1;
    padding-right: 2rem;
}

.cookie-text h4 {
    margin-bottom: 0.5rem;
}

.cookie-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.cookie-btn {
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn-accept {
    background-color: var(--green);
    color: #fff;
}
.btn-accept:hover { background-color: #21867a; }

.btn-reject {
    background-color: #e2e8f0;
    color: var(--navy);
}
.btn-reject:hover { background-color: #cbd5e0; }

/* Responsive */
@media (max-width: 1024px) {
    nav ul {
        gap: 1rem;
    }
    nav a {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--navy);
        display: none;
        padding: 1rem 2rem;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero {
        padding: 4rem 0;
    }
    .book-grid, .category-cards-grid {
        grid-template-columns: 1fr;
    }
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    .cookie-btn {
        width: 100%;
    }
}