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

:root {
    --primary-color: #2c5282;
    --primary-light: #4299e1;
    --primary-dark: #1a365d;
    --text-color: #2d3748;
    --text-light: #4a5568;
    --bg-color: #ffffff;
    --bg-secondary: #f7fafc;
    --border-color: #e2e8f0;
    --code-bg: #f7fafc;
    --link-color: #2b6cb0;
    --link-hover: #2c5282;
    --header-gradient-start: #14b8a6;
    --header-gradient-end: #06b6d4;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--header-gradient-start) 0%, var(--header-gradient-end) 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.site-title:hover {
    color: rgba(255, 255, 255, 0.9);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.site-nav a:hover {
    color: white;
}

/* Main Content */
.site-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Home Page */
.intro {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.intro h1 {
    font-size: 2.25rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1.25rem;
}

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

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Code Blocks */
code {
    font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary-dark);
}

pre {
    background-color: var(--code-bg);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

pre code {
    background-color: transparent;
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.6;
    color: inherit;
}

/* Blockquotes */
blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: italic;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

/* Posts */
.post {
    padding-bottom: 2rem;
}

.post-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.post-title {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

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

/* Footer */
.site-footer {
    background-color: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
}

.site-footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .site-nav {
        justify-content: center;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    .post-title { font-size: 1.75rem; }
    
    .intro h1 {
        font-size: 1.75rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background-color: var(--primary-light);
    color: white;
}