/* ==========================================
   Medium-Style Portfolio & Projects Site
   ========================================== */

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

:root {
    --color-text: #242424;
    --color-text-light: #6B6B6B;
    --color-background: #FFFFFF;
    --color-border: #E6E6E6;
    --color-accent: #1A8917;
    --color-accent-hover: #156d13;
    --font-serif: 'Charter', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 680px;
    --spacing-unit: 1rem;
}

body {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-top: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1.5rem;
}

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

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

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Header (Home Page) */
.hero-header {
    background: var(--color-background);
    padding: 80px 24px 100px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

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

.avatar-wrapper {
    margin-bottom: 24px;
}

.avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-border);
    display: inline-block;
}

.hero-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    margin-bottom: 32px;
    font-weight: 400;
}

.hero-nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.hero-nav a {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.hero-nav a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

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

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.nav-menu a:hover {
    color: var(--color-text);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    border-bottom: 1px solid var(--color-border);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

/* Page Header */
.page-header {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

/* Portfolio Grid */
.portfolio-grid {
    padding: 60px 24px;
    display: grid;
    gap: 60px;
}

.portfolio-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 60px;
}

.portfolio-item:last-child {
    border-bottom: none;
}

.portfolio-image {
    margin-bottom: 24px;
    overflow: hidden;
    border-radius: 4px;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.02);
}

.portfolio-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.portfolio-title a {
    color: var(--color-text);
}

.portfolio-description {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Projects Grid */
.projects-grid {
    padding: 60px 24px;
    display: grid;
    gap: 60px;
}

.project-card {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 60px;
}

.project-card:last-child {
    border-bottom: none;
}

.project-image {
    margin-bottom: 24px;
    overflow: hidden;
    border-radius: 4px;
}

.project-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.02);
}

.project-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.project-title a {
    color: var(--color-text);
}

.project-description {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* Buttons */
.btn-primary, .btn-secondary {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: 24px;
    display: inline-block;
    transition: all 0.2s ease;
    font-weight: 500;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    border: 1px solid var(--color-accent);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

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

.read-more {
    color: var(--color-accent);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Blog List Page - Minimal Design */
.blog-list-page {
    padding: 80px 24px 100px;
    min-height: 70vh;
}

.blog-header {
    margin-bottom: 60px;
}

.blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.posts-list {
    max-width: 100%;
}

.post-item {
    margin-bottom: 40px;
    transition: all 0.2s ease;
}

.post-link {
    display: block;
    color: var(--color-text);
    text-decoration: none;
    padding: 20px 0;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.post-link:hover {
    border-bottom-color: var(--color-accent);
}

.post-link:hover h2 {
    color: var(--color-accent);
}

.post-item h2 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.post-meta {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.post-meta time {
    color: var(--color-text-light);
}

/* Old Blog Grid Styles (for homepage) */
.blog-grid {
    padding: 60px 24px;
    display: grid;
    gap: 60px;
}

.blog-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 60px;
}

.blog-item:last-child {
    border-bottom: none;
}

.blog-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.blog-title a {
    color: var(--color-text);
}

.blog-summary {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.tag {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    background: #F2F2F2;
    color: var(--color-text-light);
    padding: 6px 12px;
    border-radius: 16px;
    font-weight: 400;
}

/* Single Post/Project */
.single-post {
    padding: 60px 0;
}

.post-header {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.post-meta {
    font-family: var(--font-sans);
    color: var(--color-text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.project-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.post-image {
    margin: 40px 0;
    border-radius: 4px;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-content {
    font-size: 19px;
    line-height: 1.7;
}

.post-content p {
    margin-bottom: 1.3rem;
}

.post-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 0.9rem;
    font-size: 1.85rem;
}

.post-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.7rem;
    font-size: 1.4rem;
}

.post-content ul, .post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.post-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Inline code */
.post-content p code,
.post-content li code {
    background: #f5f2f0;
    color: #c7254e;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.88em;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    font-weight: 500;
}

/* Code blocks - macOS Monokai style */
.post-content pre {
    background: #272822;
    border-radius: 6px;
    padding: 14px 18px;
    margin: 24px 0;
    overflow-x: auto;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    font-size: 0.88em;
}

.post-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 1em;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    color: #f8f8f2;
    font-weight: 400;
    line-height: 1.55;
    display: block;
}

/* Hugo Chroma integration */
.post-content .chroma {
    background: #272822;
    border-radius: 6px;
    padding: 14px 18px;
    margin: 24px 0;
    overflow-x: auto;
    font-size: 0.88em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.post-content .chroma code {
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    line-height: 1.55;
}

/* Horizontal rule */
.post-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 40px 0;
}

/* Blockquote */
.post-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--color-text-light);
    font-style: italic;
}

.back-link {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.back-link a {
    color: var(--color-accent);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Home Sections */
.home-sections {
    padding: 60px 24px;
}

.featured-section, .projects-section, .blog-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.featured-grid {
    display: grid;
    gap: 40px;
    margin-bottom: 40px;
}

.featured-card {
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s ease;
}

.featured-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.featured-content {
    padding: 24px;
}

.featured-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.featured-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.projects-list {
    margin-bottom: 40px;
}

.project-preview {
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}

.project-preview:last-child {
    border-bottom: none;
}

.project-preview h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project-preview p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.blog-list {
    margin-bottom: 40px;
}

.blog-preview {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.blog-preview:last-child {
    border-bottom: none;
}

.blog-preview h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.blog-preview time {
    font-family: var(--font-sans);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.view-all {
    text-align: center;
    margin-top: 40px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    font-family: var(--font-sans);
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    font-family: var(--font-sans);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-header {
        padding: 60px 24px 80px;
    }

    .avatar {
        width: 100px;
        height: 100px;
    }

    .hero-name {
        font-size: 1.75rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-nav {
        gap: 24px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .post-title {
        font-size: 1.75rem;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .nav-menu {
        gap: 1rem;
    }

    .nav-menu a {
        font-size: 0.85rem;
    }

    .portfolio-grid, .projects-grid {
        padding: 40px 24px;
        gap: 40px;
    }

    .blog-list-page {
        padding: 60px 24px 80px;
    }

    .blog-header h1 {
        font-size: 2rem;
    }

    .post-item h2 {
        font-size: 1.35rem;
    }

    .post-meta {
        font-size: 0.85rem;
    }

    .project-links {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }

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

    .post-content {
        font-size: 17px;
        line-height: 1.65;
    }

    .post-content pre,
    .post-content .chroma {
        font-size: 0.82em;
        padding: 12px 14px;
        margin: 20px -12px;
        border-radius: 4px;
    }

    .post-content h2 {
        font-size: 1.6rem;
        margin-top: 2rem;
    }

    .post-content h3 {
        font-size: 1.25rem;
        margin-top: 1.5rem;
    }
}

@media (min-width: 768px) {
    .featured-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}