/* Global Reset & Variables */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Roboto:wght@500;700&display=swap');

:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #bfa15f;
    /* Slightly darker gold for light bg */
    --secondary-bg: #f9f9f9;
    --border-color: #e0e0e0;
    --nav-bg: #ffffff;
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Inter', sans-serif;
    --spacing-container: 1200px;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #555555;
}

/* Layout Utilities */
.container {
    max-width: var(--spacing-container);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

button,
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: #ffffff;
    padding: 0.8rem 2rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s, background-color 0.3s;
}

button:hover,
.btn:hover {
    background-color: #333;
    transform: translateY(-2px);
}

/* Header & Nav */
header {
    background-color: var(--nav-bg);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

#header-placeholder {
    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: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    color: var(--text-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Mobile Nav Styles */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--bg-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 60%;
        /* Wider menu on mobile */
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
        padding-top: 2rem;
        z-index: 999;
    }

    .nav-links li {
        opacity: 0;
        margin: 1.5rem 0;
        /* More spacing between items */
    }

    .burger {
        display: block;
    }

    /* Mobile Text Truncation Styles */
    .book-summary-content.collapsed {
        max-height: 200px;
        overflow: hidden;
        position: relative;
    }

    .book-summary-content.collapsed::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 80px;
        background: linear-gradient(transparent, var(--bg-color));
        pointer-events: none;
    }

    /* Ensure read-more button has space */
    .read-more-btn {
        display: inline-block;
        margin-top: 10px;
        margin-bottom: 20px;
        color: var(--accent-color);
        cursor: pointer;
        text-decoration: underline;
        font-weight: bold;
    }
}

.nav-active {
    transform: translateX(0%);
}

@keyframes navLinkFade {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0px);
    }
}

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.toggle .line2 {
    opacity: 0;
}

.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Footer */
footer {
    background-color: var(--secondary-bg);
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Page Specifics */
/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--bg-color);
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4)), url('../images/background-image-3497025.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    color: #ffffff;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero-content p {
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: #e0e0e0;
}

/* Book Grid (Legacy) & Book Rows (New) */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.book-card {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.book-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.book-cover {
    width: 100%;
    height: 400px;
    background-color: #e0e0e0;
    /* Placeholder for book cover */
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.book-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
    font-family: var(--font-heading);
}

.book-meta {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
}

/* New Book Section Layout */
.series-block {
    margin-bottom: 5rem;
}

.book-row {
    display: flex;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: flex-start;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
}

.book-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.book-cover-large {
    flex: 0 0 300px;
    height: 450px;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.book-info {
    flex: 1;
}

@media (max-width: 768px) {
    .book-row {
        flex-direction: column;
    }

    .book-cover-large {
        width: 100%;
        max-width: 300px;
        margin: 0 auto 2rem auto;
    }

    .book-info {
        text-align: center;
    }
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--secondary-bg);
    padding: 3rem;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}