/* Base Styles */
:root {
    --color-primary: #2d3e36;
    --color-secondary: #d1b76f;
    --color-text: #333;
    --color-background: #f8f6f2;
    --color-light: #fff;
    --color-dark: #1a1a1a;
    --color-strategy: #ff6b6b;
    --color-adaptation: #48a8d0;
    --color-framework: #4caf50;
    --font-family: 'Inter', sans-serif;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
    --border-radius-lg: 8px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    color: var(--color-primary);
}

h2 {
    font-size: 2rem;
    color: var(--color-primary);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

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

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

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    font-family: var(--font-family);
}

/* Header and Navigation */
header {
    background-color: var(--color-light);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.nav-links li {
    margin-left: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
}

.nav-links a:hover {
    color: var(--color-secondary);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--color-text);
    max-width: 700px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-lg) 0;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    color: var(--color-light);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card.dark {
    background-color: var(--color-primary);
}

.feature-card.gold {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

.feature-card h2 {
    color: inherit;
    margin-bottom: var(--spacing-lg);
}

.card-divider {
    width: 100px;
    height: 3px;
    background-color: var(--color-light);
    margin-top: auto;
}

.action-button {
    margin-top: auto;
}

.btn {
    display: inline-block;
    background-color: var(--color-light);
    color: var(--color-dark);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--color-dark);
    color: var(--color-light);
}

/* Testimonial Section */
.testimonial {
    padding: var(--spacing-lg) 0;
}

.testimonial-cards {
    display: flex;
    justify-content: center;
}

.testimonial-card {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 600px;
}

.quote {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.quote-mark {
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 2rem;
    color: var(--color-secondary);
}

.author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background-color: #e9e9e9;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    margin-right: var(--spacing-md);
}

.author-info h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
    color: #666;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.process-steps {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-xl);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background-color: #f5f5f5;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.step-icon img {
    width: 30px;
    height: 30px;
}

/* Editor Picks Section */
.editor-picks {
    padding: var(--spacing-xl) 0;
}

.book-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.book-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.book-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

.tag {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-light);
}

.tag.strategy {
    background-color: var(--color-strategy);
}

.tag.adaptation {
    background-color: var(--color-adaptation);
}

.tag.framework {
    background-color: var(--color-framework);
}

.book-info {
    padding: var(--spacing-md);
}

.book-info h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.book-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

.read-time {
    color: #666;
}

.explore-link {
    color: var(--color-secondary);
    font-weight: 500;
}

.explore-link:hover {
    text-decoration: underline;
}

/* Mental Tracks Section */
.mental-tracks {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.track-card {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.track-icon {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.track-icon img {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
}

.track-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.progress-bar {
    height: 4px;
    background-color: #e0e0e0;
    border-radius: 2px;
    margin: var(--spacing-md) 0;
}

.progress {
    height: 100%;
    background-color: var(--color-secondary);
    border-radius: 2px;
}

.path-link {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: var(--spacing-sm);
}

.path-link:hover {
    color: var(--color-secondary);
}

/* Reader Testimonials Section */
.reader-testimonials {
    padding: var(--spacing-xl) 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-item {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.quote-icon {
    font-size: 2rem;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: var(--spacing-lg);
}

/* Featured Thinkers Section */
.featured-thinkers {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

.thinker-profiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.thinker-profile {
    padding: var(--spacing-lg);
}

.thinker-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.thinker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thinker-profile h3 {
    margin-bottom: var(--spacing-xs);
}

.thinker-quote {
    font-style: italic;
    color: #666;
    margin-bottom: var(--spacing-md);
}

.thinker-book, .thinker-recommends {
    margin-bottom: var(--spacing-md);
}

.thinker-book h4, .thinker-recommends h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    color: #888;
}

.thinker-book p, .thinker-recommends p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

/* Focus Book Section */
.focus-book {
    padding: var(--spacing-xl) 0;
}

.focus-book-container {
    background-color: var(--color-primary);
    color: var(--color-light);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
}

.focus-book-container h2 {
    color: var(--color-light);
}

.icon-container {
    margin: var(--spacing-lg) auto;
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-container img {
    width: 30px;
    height: 30px;
}

.focus-button {
    display: inline-block;
    background-color: var(--color-secondary);
    color: var(--color-dark);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    margin-top: var(--spacing-lg);
    transition: all 0.3s ease;
}

.focus-button:hover {
    background-color: var(--color-light);
}

.weekly-brief-link {
    display: block;
    margin-top: var(--spacing-lg);
    color: var(--color-light);
    text-decoration: underline;
}

.weekly-brief-link:hover {
    color: var(--color-secondary);
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

.contact-form-container {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-secondary);
    color: var(--color-dark);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #c0a55d;
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.footer-links a {
    margin: 0 var(--spacing-md);
    font-size: 0.9rem;
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    padding: var(--spacing-lg);
    z-index: 1000;
    display: none;
}

.cookie-popup.show {
    display: block;
}

.cookie-icon {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.cookie-icon img {
    width: 40px;
    height: 40px;
}

.cookie-content h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.cookie-content p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.cookie-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cookie-button {
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cookie-button.accept {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.cookie-button.accept:hover {
    background-color: #24322b;
}

.cookie-button.reject {
    background-color: #f1f1f1;
    color: var(--color-text);
}

.cookie-button.reject:hover {
    background-color: #e0e0e0;
}

/* Thank You Popup */
.thank-you-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.thank-you-popup.show {
    opacity: 1;
    visibility: visible;
}

.thank-you-content {
    background-color: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    max-width: 400px;
}

.thank-you-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.return-button {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-light);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.return-button:hover {
    background-color: #24322b;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .feature-cards, 
    .book-cards, 
    .track-grid, 
    .testimonial-grid, 
    .thinker-profiles {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links a {
        margin: var(--spacing-xs) 0;
    }
    
    .cookie-popup {
        bottom: 0;
        right: 0;
        left: 0;
        max-width: 100%;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    }
}

@media (max-width: 576px) {
    :root {
        --container-padding: 1rem;
    }
    
    .logo a {
        font-size: 1.25rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .focus-book-container {
        padding: var(--spacing-lg);
    }
}

html {
    scroll-behavior: smooth;
}

.main-section {
    padding: var(--spacing-lg) 0;
}

.main-section h1 {
    text-transform: uppercase;
    text-align: center;
}