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

:root {
    --primary: #1a1a1a;
    --secondary: #666;
    --border: #e0e0e0;
    --background: #ffffff;
    --background-alt: #f8f9fa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-section .container {
    max-width: 800px;
}

/* Header */
header {
    background: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.back-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.back-link:hover {
    opacity: 0.7;
}

/* Hero Section */
.hero-section {
    background: var(--background);
    padding: 80px 0 40px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    color: var(--primary);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary);
    margin: 0 auto 2rem;
    max-width: 600px;
}

/* Desk Setup Section */
.desk-setup-section {
    padding: 60px 0;
    background: var(--background-alt);
    border-bottom: 1px solid var(--border);
}

.desk-setup-section .section-title {
    font-size: 2.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary);
}

.desk-setup-section .section-subtitle {
    font-size: 1.25rem;
    color: var(--secondary);
    text-align: center;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.desk-setup-embed {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin: 0 auto;
    max-width: 1000px;
    overflow: hidden;
}

.desk-setup-description {
    max-width: 700px;
    margin: 2rem auto 0;
    text-align: center;
    color: var(--secondary);
    line-height: 1.6;
}

.desk-setup-description p {
    margin-bottom: 0;
}

/* Content Section - Two Column Layout */
.content-section {
    padding: 60px 0;
    background: var(--background);
}

.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.left-column,
.right-column {
    min-width: 0;
}

.column-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.column-subtitle {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--secondary);
    text-align: center;
    margin: 0 auto 3rem;
    max-width: 600px;
}

/* Resource List */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resource-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s ease;
}

.resource-link:hover {
    transform: translateY(-2px);
}

.resource-item {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--background);
    transition: all 0.2s ease;
}

.resource-link:hover .resource-item {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.resource-item h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.resource-description {
    margin: 0 0 0.75rem;
    color: var(--secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.read-more {
    display: inline-block;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.resource-link:hover .read-more {
    opacity: 1;
}

/* Tool List */
.tool-list {
    margin: 1.5rem 0;
}

.tool-item {
    margin-bottom: 1.5rem;
}

.tool-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.tool-item p {
    color: var(--secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.closing-note {
    padding: 1rem;
    background: var(--background-alt);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Instagram Embed */
.instagram-embed-container {
    width: 100%;
}

.instagram-embed-container .instagram-media {
    margin: 0 auto !important;
}

.instagram-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.instagram-link:hover {
    background: var(--background-alt);
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--secondary);
}

.footer-text a {
    color: var(--primary);
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

/* Article Page Styles */
.resource-article {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.resource-article h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.article-intro {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.resource-article .tool-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border);
}

.resource-article .tool-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.resource-article .tool-item h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.resource-article .tool-item p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--secondary);
}

.resource-article .closing-note {
    background: var(--background-alt);
    border-left: 3px solid var(--primary);
    padding: 1.5rem;
    border-radius: 6px;
    margin-top: 3rem;
}

.resource-article .closing-note p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--secondary);
    margin: 0;
}

.resource-article .closing-note strong {
    color: var(--primary);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .left-column {
        order: 2;
    }
    
    .right-column {
        order: 1;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .column-title {
        font-size: 1.25rem;
    }
    
    .resource-article h1 {
        font-size: 2rem;
    }
    
    .article-intro {
        font-size: 1.1rem;
    }
    
    .two-column-layout {
        gap: 2rem;
    }
}

.footer-text {
    font-size: 16px;
    color: #6e6e73;
    margin-bottom: 16px;
}

.footer-text a {
    color: #007aff;
    text-decoration: none;
    font-weight: 500;
}

.footer-text a:hover {
    text-decoration: underline;
}

.footer-link {
    margin-top: 20px;
}

.footer-link a {
    color: #6e6e73;
    text-decoration: none;
    font-size: 14px;
}

.footer-link a:hover {
    color: #007aff;
}

@media (max-width: 768px) {
    h1 {
        font-size: 48px;
    }
    
    .subtitle {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .hero-section {
        padding: 80px 0 60px;
    }
    
    .instagram-section,
    .resources-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .instagram-posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .resource-card {
        padding: 32px 24px;
        margin: 0 20px;
    }
    
    .resource-header h3 {
        font-size: 24px;
    }
    
    .intro-text {
        font-size: 16px;
    }
    
    .tool-item h4 {
        font-size: 20px;
    }
    
    .tool-item p {
        font-size: 15px;
    }
    
    .instagram-visit-btn {
        padding: 14px 28px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .instagram-link {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .resource-card {
        padding: 24px 20px;
        margin: 0 10px;
    }
    
    .resource-header h3 {
        font-size: 20px;
    }
}