@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-color: #121212;
    --bg-surface: #1a1a1a;
    --bg-elevated: #222;
    --text-primary: #e8e8e8;
    --text-secondary: #999;
    --text-muted: #666;
    --accent: #4ade80;
    --accent-dim: #22c55e;
    --accent-glow: 0 0 12px rgba(74, 222, 128, 0.3);
    --border-color: #333;
    --link-color: #4ade80;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
nav {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1em;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-shadow: var(--accent-glow);
    letter-spacing: -0.5px;
}

.nav-logo:hover {
    color: #6ee7a0;
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.nav-links a.active {
    color: var(--accent);
    background: rgba(74, 222, 128, 0.1);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-toggle::after {
    content: '▾';
    font-size: 0.7em;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 180px;
    padding: 10px 6px 6px 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 0.85em;
}

.dropdown-menu a:hover {
    background: var(--bg-surface);
}

/* Main Content */
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* Page Header */
.page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2em;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 1.05em;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 600;
}

h2 {
    font-size: 1.4em;
    margin: 32px 0 16px;
}

h3 {
    font-size: 1.15em;
    margin: 24px 0 12px;
}

p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

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

a:hover {
    text-decoration: underline;
}

/* Cards / Sections */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

.card h3 {
    margin-top: 0;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Blog List */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.blog-item {
    display: block;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    text-decoration: none;
    transition: all 0.2s;
}

.blog-item:hover {
    border-color: var(--accent-dim);
    box-shadow: var(--accent-glow);
    text-decoration: none;
}

.blog-item h2 {
    margin: 0 0 8px;
    font-size: 1.2em;
    color: var(--text-primary);
}

.blog-item .meta {
    font-size: 0.85em;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.blog-item .excerpt {
    color: var(--text-secondary);
    font-size: 0.95em;
    margin: 0;
}

/* Article */
article {
    line-height: 1.75;
}

article p {
    margin-bottom: 20px;
}

article h2 {
    margin-top: 40px;
}

.article-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--text-muted);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

/* CV / About specific */
.cv-section {
    margin-bottom: 32px;
}

.cv-item {
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 2px solid var(--border-color);
}

.cv-item:hover {
    border-left-color: var(--accent);
}

.cv-item h4 {
    margin-bottom: 4px;
    font-size: 1em;
}

.cv-item .period {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8em;
    color: var(--accent);
    margin-bottom: 6px;
}

.cv-item p {
    font-size: 0.9em;
    margin: 0;
}

/* Skills / Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.tag {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8em;
    font-family: 'JetBrains Mono', monospace;
}

/* Footer */
footer {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85em;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 600px) {
    .nav-container {
        height: auto;
        flex-direction: column;
        padding: 12px 20px;
        gap: 12px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .page-header h1 {
        font-size: 1.6em;
    }

    main {
        padding: 24px 16px 60px;
    }
}