:root {
    --bg-color: #1a1a1a;
    /* Dark Charcoal */
    --text-color: #ffffff;
    /* White text */
    --accent-color: #d4af37;
    /* Metallic Gold */
    --hover-color: #f7e7ce;
    /* Light Gold hover */
    --bg-accent-1: #252525;
    /* Slightly lighter grey for sections */
    --bg-accent-2: #1a1a1a;
    /* Match main bg */
    --font-serif: 'Times New Roman', Times, serif;
    /* We might want to fetch a Google Font like Cinzel later */
    --font-sans: Helvetica, Arial, sans-serif;
    --spacing-unit: 1rem;
}

html {
    overflow-y: scroll;
    /* Force scrollbar to prevent layout shift */
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-color);
    padding: 2rem 0;
    /* More padding for grander feel */
    border-bottom: 1px solid #333;
    /* Specific dark border */
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    /* Center everything */
    align-items: center;
    flex-wrap: wrap;
    /* Allow stacking */
    gap: 1.5rem;
    /* Gap between rows */
}

.nav-social svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.nav-brand {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    flex-basis: 100%;
    /* Force new line */
    text-align: center;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    /* Much larger */
    font-weight: 400;
    /* Lighter weight for elegance */
    letter-spacing: 0.1em;
    /* Wide tracking */
    line-height: 1.2;
    text-transform: uppercase;
}

.brand-tagline {
    display: none;
    /* Hide tagline for this minimalist look */
}

.nav-menu {
    display: flex;
    gap: 3rem;
    /* Wider spacing */
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: #aeaeae;
    /* Muted grey */
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: bold;
    text-transform: capitalize;
    /* "Home" not "HOME" */
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
    border-bottom: 2px solid #ffffff;
    /* White underline */
}

/* Mobile Nav */
/* Newsletter Success Message */
.newsletter-success {
    text-align: center;
    padding: 2rem;
    animation: fadeIn 0.5s ease;
}

.newsletter-success h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.newsletter-success p {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: #444;
}

.newsletter-dark .newsletter-success h3,
.newsletter-dark .newsletter-success p {
    color: #433e34;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.8rem;
    }

}


/* Social Icons in Nav */
.nav-social {
    display: flex;
    gap: 1.5rem;
    /* Increased spacing per request */
    align-items: center;
    margin-left: 1rem;
}

.nav-social a {
    color: var(--text-color);
    /* Explicit brown color */
    display: flex;
    transition: color 0.2s;
    line-height: 0;
}

body {
    font-family: var(--font-serif);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 400;
    /* Regular weight for that literary feel */
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h3 {
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
    display: inline-block;
}

p.tagline {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 2rem 0 4rem 0;
}

/* Hero Section */
.hero {
    height: auto;
    padding: 4rem 0 2rem 0;
    /* Reduced bottom padding */
    display: flex;
    align-items: flex-start;
    /* Align content to top */
    justify-content: flex-start;
    /* Align content to left */
    text-align: left;
    /* Left align text */
    border-bottom: 1px solid #f0f0f0;
}

/* Featured Book */
.featured-book .section-label {
    display: block;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #999;
    margin-bottom: 2rem;
    /* Reduced margin */
}

.book-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    /* Cover takes less space */
    gap: 4rem;
    align-items: start;
}

.placeholder-cover {
    width: 100%;
    aspect-ratio: 2/3;
    background-color: #f4f4f4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-family: var(--font-sans);
    border: 1px solid #e0e0e0;
}

.book-cover-img {
    width: 100%;
    height: auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: block;
}

.book-hook {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.book-description {
    font-family: var(--font-sans);
    color: var(--text-color);
    /* Lighter text for dark mode */
    margin-bottom: 2rem;
}

.book-subtitle {
    display: block;
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 0.5rem;
    font-family: var(--font-serif);
    font-style: italic;
}

.contact-subtext {
    font-size: 0.9rem;
    color: #888;
    margin-top: 0.5rem;
    font-style: italic;
}

/* Buttons */
.buy-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.availability-note {
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
    font-family: var(--font-sans);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: var(--hover-color);
    border-color: var(--hover-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    border-color: #ccc;
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* About Section */
/* About Section */
.about {
    text-align: left;
    background-color: var(--bg-color);
    /* Match main bg */
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.5;
    margin: 0 auto;
}

.about-tagline {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: normal;
}

.about-text p {
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
}

.author-headshot-large {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
}

/* Home Page Specific About Styles */
.home-about {
    text-align: center;
    padding: 4rem 1rem;
    background-color: var(--bg-color);
}

.author-headshot {
    display: block;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem auto;
    border: 3px solid var(--accent-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.author-quote {
    font-size: 1.4rem;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-color);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    line-height: 1.6;
    border-left: 3px solid var(--accent-color);
    border-right: 3px solid var(--accent-color);
    padding: 0 2rem;
}

.signature-quote-section {
    background-color: var(--bg-color);
    padding: 3rem 1rem;
    text-align: center;
}

.signature-quote {
    font-size: 2.2rem;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--accent-color);
    max-width: 900px;
    margin: 0 auto;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.signature-label {
    display: block;
    color: var(--accent-color);
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: bold;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    text-transform: none;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        order: -1;
        /* Image first on mobile */
    }
}


.award-text {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #666;
    margin-bottom: 1.5rem;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

/* Newsletter Section */
.newsletter {
    background-color: var(--bg-color);
    /* Cream per user request */
    border-top: none;
    text-align: center;
}

.newsletter-tagline {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ccc;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.newsletter-form button {
    cursor: pointer;
}

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

.newsletter-info {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: #888;
    margin-top: 1rem;
}

/* Dark Newsletter Variant */
.newsletter-dark {
    background-color: var(--bg-color);
    /* Dark brown from user request */
    color: #ffffff;
    padding: 4rem 0;
    text-align: left;
    /* Screenshot shows left align? Or center? content looks slightly left but centered in container. Let's check screenshot. It looks left aligned text in a container? Actually looks like text is left aligned. */
}

.newsletter-dark .container {
    display: flex;
    flex-direction: column;
    /* Stack vertically per request */
    align-items: flex-start;
    /* Left align */
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    gap: 1.5rem;
}

.newsletter-text {
    width: 100%;
}

.newsletter-dark h2 {
    color: #ffffff;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.newsletter-dark p {
    color: #e0e0e0;
    font-family: var(--font-sans);
    font-size: 1.1rem;
}

.newsletter-dark-form {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    /* Limit width of form */
}

.newsletter-dark input[type="email"] {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 4px;
    /* Slight radius */
    font-family: var(--font-sans);
    font-size: 1rem;
}

.newsletter-dark button {
    background-color: #fcfaf6;
    /* Off-white/Cream */
    color: #433e34;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: bold;
    cursor: pointer;
    font-family: var(--font-sans);
    white-space: nowrap;
    font-size: 1rem;
    transition: transform 0.2s;
}

.newsletter-dark button:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .newsletter-dark .container {
        flex-direction: column;
        text-align: center;
    }

    .newsletter-dark-form {
        width: 100%;
        flex-direction: column;
    }
}

/* Contact Grid Refactor */
.contact-grid-section {
    background-color: var(--bg-color);
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.contact-info p {
    font-family: var(--font-sans);
    font-size: 1.2rem;
    color: var(--text-color);
    line-height: 1.4;
}

.contact-form-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form-grid .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-form-grid label {
    font-family: var(--font-sans);
    font-weight: bold;
    color: var(--text-color);
    font-size: 1rem;
}

.contact-form-grid input,
.contact-form-grid textarea {
    width: 100%;
    padding: 0.8rem;
    background-color: #fff;
    border: 2px solid #433e34;
    border-radius: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
}

.contact-form-grid textarea {
    min-height: 150px;
    resize: vertical;
}

.btn-dark-pill {
    background-color: #433e34;
    color: #fff;
    border: none;
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: opacity 0.2s;
}

.btn-dark-pill:hover {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Dark Footer */
.footer-dark {
    background-color: var(--bg-color);
    color: #ffffff;
    padding: 1rem 0 4rem 0;
    /* Copyright at top */
    font-family: var(--font-sans);
    border-top: 1px solid #333;
    /* Optional: add subtle border since colors match now */
}

.footer-dark .container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: flex-start;
    /* Aligned left per screenshot appearance */
}

.footer-social-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #ffffff;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: normal;
}

.footer-social-link:hover {
    opacity: 0.8;
}

.footer-social-link svg {
    width: 30px;
    /* Reduced from 40px */
    height: 30px;
    fill: currentColor;
}

.footer-copyright {
    color: #ffffff;
    font-size: 1.1rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .footer-dark .container {
        align-items: center;
        /* Center on mobile? */
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .book-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .placeholder-cover {
        max-width: 250px;
        margin: 0 auto;
    }

    .buy-buttons {
        justify-content: center;
    }
}

/* Newsletter Success Message */
.newsletter-success {
    text-align: center;
    padding: 2rem;
    animation: fadeIn 0.5s ease;
}

.newsletter-success h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.newsletter-success p {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: #444;
}

.newsletter-dark .newsletter-success h3,
.newsletter-dark .newsletter-success p {
    color: #fcfaf6;
    /* Light color for dark background */
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility Utilities */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}