/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-accent: #0066cc;
    --color-accent-hover: #0052a3;
    --color-bg: #ffffff;
    --color-bg-alt: #fafafa;
    --color-border: #e5e5e5;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', Arial, sans-serif;
    --max-width: 1100px;
    --narrow-width: 720px;
}

body {
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

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

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

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

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

/* Navigation */
nav {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    padding: 6rem 2rem 5rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.tagline {
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--color-text-light);
    margin-bottom: 0;
    font-weight: 400;
}

/* Intro Section */
.intro {
    padding: 4rem 2rem;
    background-color: var(--color-bg);
}

.lead {
    font-size: 1.35rem;
    line-height: 1.6;
    text-align: center;
    max-width: 750px;
    margin: 0 auto;
    color: var(--color-text);
    font-weight: 400;
}

/* Featured Work Grid */
.featured {
    padding: 5rem 2rem;
    background-color: var(--color-bg-alt);
}

.featured:nth-of-type(odd) {
    background-color: var(--color-bg);
}

.featured-book {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 3rem auto 0;
    background-color: var(--color-bg);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    align-items: start;
}

.featured-book-cover {
    width: 220px;
    height: 330px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

.featured-book-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    color: var(--color-text);
}

.featured-book-info p {
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.work-card {
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.work-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: var(--color-accent);
}

.work-card h3 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-size: 1.35rem;
}

.work-card h3 a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.work-card h3 a:hover {
    color: var(--color-accent);
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--color-accent-hover);
}

.work-meta {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.075em;
    margin-bottom: 1rem;
    font-weight: 600;
}

.work-card p:last-child {
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Philosophy/Quote Section */
.philosophy {
    padding: 5rem 2rem;
    background-color: var(--color-text);
    color: #ffffff;
}

blockquote {
    font-size: 1.75rem;
    line-height: 1.5;
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
    font-weight: 400;
    font-style: normal;
    letter-spacing: -0.01em;
}

/* CTA Sections */
.cta,
.newsletter-cta {
    padding: 5rem 2rem;
    background-color: var(--color-bg);
    text-align: center;
}

.cta h2,
.newsletter-cta h2 {
    margin-bottom: 1rem;
}

.cta p,
.newsletter-cta p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.subscribe-form {
    display: flex;
    gap: 0.75rem;
    max-width: 480px;
    margin: 0 auto;
}

.subscribe-form input[type="email"] {
    flex: 1;
    padding: 0.875rem 1.125rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: all 0.2s ease;
}

.subscribe-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.subscribe-form button {
    padding: 0.875rem 1.75rem;
    background-color: var(--color-accent);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.subscribe-form button:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

/* Page Header */
.page-header {
    padding: 4rem 2rem 3rem;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-alt);
}

.page-header .container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

/* About Page */
.about-content {
    padding: 4rem 2rem;
}

.author-photo {
    text-align: center;
    margin-bottom: 3rem;
}

.author-photo img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-border);
}

.bio {
    margin-bottom: 4rem;
}

.bio p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text);
}

.approach {
    margin-bottom: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.approach h2 {
    margin-bottom: 2rem;
}

.principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.principle h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.principle p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

.areas {
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.areas h2 {
    margin-bottom: 2rem;
}

.topic-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.topic-list li {
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    text-align: center;
    font-weight: 500;
    transition: all 0.2s ease;
}

.topic-list li:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Writing Page */
.books-section,
.essays-section {
    padding: 4rem 2rem;
}

.books-section .container,
.essays-section .container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.essays-section {
    background-color: var(--color-bg-alt);
}

.section-intro {
    font-size: 1.15rem;
    color: var(--color-text-light);
    max-width: 750px;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.books-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.book-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2.5rem;
    background-color: var(--color-bg);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.book-cover-placeholder {
    width: 180px;
    height: 270px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border: 2px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    border-radius: 6px;
    font-size: 0.9rem;
}

.book-cover {
    width: 180px;
    height: 270px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.book-info h3 {
    margin-top: 0;
    font-size: 1.75rem;
}

.book-meta {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.075em;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.book-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: #ffffff;
    transform: translateY(-1px);
}

.essays-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.essay-item {
    background-color: var(--color-bg);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.essay-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.essay-header h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.essay-meta {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.075em;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.essay-excerpt {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.read-more {
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.read-more:hover {
    gap: 0.75rem;
    color: var(--color-accent-hover);
}

/* Contact Page */
.contact-content {
    padding: 4rem 2rem;
}

.contact-intro {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-method {
    padding: 2rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.contact-method h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-method p {
    margin-bottom: 0;
    line-height: 1.6;
}

.contact-form-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.contact-form-section h2 {
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-primary {
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.social-links {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.social-links h3 {
    margin-bottom: 1.5rem;
}

.social-links ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-links ul li a {
    font-weight: 500;
}

/* Footer */
footer {
    background-color: var(--color-text);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem;
    margin-top: 5rem;
}

footer .container {
    max-width: var(--max-width);
}

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

.footer-section p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

footer a {
    color: #ffffff;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

footer a:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .nav-container {
        padding: 0 1.25rem;
    }
    
    .nav-links {
        gap: 1.5rem;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .intro,
    .featured,
    .philosophy,
    .cta,
    .newsletter-cta,
    .about-content,
    .books-section,
    .essays-section,
    .contact-content {
        padding: 3rem 1.5rem;
    }
    
    .lead {
        font-size: 1.15rem;
    }
    
    blockquote {
        font-size: 1.35rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .featured-book-cover {
        width: 200px;
        height: 300px;
        margin: 0 auto;
    }

    .book-card {
        grid-template-columns: 1fr;
        padding: 1.75rem;
        gap: 1.5rem;
    }

    .book-cover-placeholder,
    .book-cover {
        width: 160px;
        height: 240px;
        margin: 0 auto;
    }
    
    .subscribe-form {
        flex-direction: column;
        width: 100%;
    }
    
    .subscribe-form button {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .page-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .page-header h1 {
        font-size: 2.25rem;
    }
    
    .principles,
    .contact-options {
        grid-template-columns: 1fr;
    }
    
    .essay-item,
    .work-card,
    .contact-method {
        padding: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }
    
    .logo {
        font-size: 1.1rem;
    }
}

/* Blog Styles */
.blog-section {
    padding: 4rem 0;
    background-color: var(--color-bg);
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.blog-card {
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: var(--color-bg);
}

.blog-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.08);
}

.blog-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.blog-card h3 a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-card h3 a:hover {
    color: var(--color-accent);
}

.blog-header {
    margin-bottom: 1rem;
}

.blog-meta {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: 0;
}

.blog-header-meta {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.blog-excerpt {
    color: var(--color-text);
    margin: 1rem 0;
    line-height: 1.7;
    font-size: 1rem;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
}

.read-time {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.read-more {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--color-accent-hover);
}

/* Blog Post Page */
.blog-post-section {
    padding: 3rem 0;
}

.blog-post {
    max-width: var(--narrow-width);
    margin: 0 auto;
}

.blog-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
}

.blog-body h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-size: 1.75rem;
    color: var(--color-text);
}

.blog-body h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.35rem;
    color: var(--color-text);
}

.blog-body p {
    margin-bottom: 1.25rem;
}

.blog-body strong {
    font-weight: 600;
}

.blog-body em {
    font-style: italic;
}

.blog-body ul,
.blog-body ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
    line-height: 1.8;
}

.blog-body li {
    margin-bottom: 0.75rem;
}

.blog-body blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-text-light);
}

.blog-body code {
    background-color: var(--color-bg-alt);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-text);
}

.blog-body pre {
    background-color: var(--color-bg-alt);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-body pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
}

.blog-nav {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    text-align: left;
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg-alt);
    color: var(--color-accent);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Responsive Blog */
@media (max-width: 768px) {
    .blog-section {
        padding: 2.5rem 0;
    }
    
    .blog-card {
        padding: 1.5rem;
    }
    
    .blog-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .blog-body {
        font-size: 1rem;
    }
    
    .blog-body h2 {
        font-size: 1.5rem;
        margin-top: 2rem;
    }
    
    .blog-body h3 {
        font-size: 1.25rem;
        margin-top: 1.5rem;
    }
}