/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    /* Colors - Monochromatic palette */
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-gray-900: #262626;
    --color-gray-800: #333333;
    --color-gray-700: #4a4a4a;
    --color-gray-600: #666666;
    --color-gray-500: #808080;
    --color-gray-400: #999999;
    --color-gray-300: #b3b3b3;
    --color-gray-200: #cccccc;
    --color-gray-100: #e5e5e5;
    --color-cream: #f5f5f0;
    --color-offwhite: #fafaf8;
    --color-white: #ffffff;
    
    /* Functional colors */
    --color-bg: var(--color-offwhite);
    --color-bg-alt: var(--color-cream);
    --color-text: var(--color-black);
    --color-text-muted: var(--color-gray-600);
    --color-border: var(--color-black);
    --color-border-light: var(--color-gray-200);
    --color-accent: var(--color-black);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --grid-gap: 1px;
    --border-width: 1px;
    --radius: 0;
}

/* Dark Mode */
html.dark {
    --color-bg: var(--color-black);
    --color-bg-alt: var(--color-dark);
    --color-text: var(--color-offwhite);
    --color-text-muted: var(--color-gray-400);
    --color-border: var(--color-gray-700);
    --color-border-light: var(--color-gray-800);
    --color-accent: var(--color-offwhite);
}

html.dark .grid-overlay {
    background-image: 
        linear-gradient(to right, var(--color-gray-800) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-gray-800) 1px, transparent 1px);
    opacity: 0.2;
}

html.dark .terminal-block {
    background-color: var(--color-black);
    border-color: var(--color-gray-700);
}

html.dark .terminal-header {
    background-color: var(--color-dark);
    border-color: var(--color-gray-800);
}

html.dark .avatar-placeholder {
    background-color: var(--color-dark);
    background-image: 
        linear-gradient(45deg, var(--color-gray-800) 25%, transparent 25%),
        linear-gradient(-45deg, var(--color-gray-800) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--color-gray-800) 75%),
        linear-gradient(-45deg, transparent 75%, var(--color-gray-800) 75%);
}

html.dark .avatar-frame {
    background-color: var(--color-dark);
}

html.dark .about-meta,
html.dark .research-card,
html.dark .article-card,
html.dark .post-card,
html.dark .archive-card,
html.dark .project-card,
html.dark .skill-category {
    background-color: var(--color-dark);
    border-color: var(--color-gray-700);
}

html.dark .project-card:hover,
html.dark .research-card:hover,
html.dark .article-card:hover,
html.dark .archive-card:hover {
    box-shadow: 4px 4px 0 var(--color-gray-600);
}

html.dark .research-year,
html.dark .research-type,
html.dark .tag,
html.dark .skill-tag {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-700);
}

html.dark .article-date,
html.dark .article-read-time,
html.dark .post-date,
html.dark .archive-date,
html.dark .archive-read-time,
html.dark .back-link {
    color: var(--color-gray-400);
}

html.dark .article-excerpt,
html.dark .archive-excerpt,
html.dark .post-content,
html.dark .post-title,
html.dark .archive-title a,
html.dark .back-link:hover {
    color: var(--color-offwhite);
}

html.dark .article-card-more {
    background-color: var(--color-gray-900);
}

html.dark .article-card-more:hover {
    background-color: var(--color-dark);
}

html.dark .research-more-link {
    background-color: var(--color-gray-900);
}

html.dark .research-more-link:hover {
    background-color: var(--color-dark);
}

html.dark .skill-tag:hover {
    background-color: var(--color-offwhite);
    color: var(--color-black);
    border-color: var(--color-offwhite);
}

html.dark .skill-bar {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-700);
}

html.dark .skill-fill {
    background-color: var(--color-offwhite);
    background-image: 
        linear-gradient(90deg, var(--color-offwhite) 50%, var(--color-gray-300) 50%);
}

html.dark .btn {
    background-color: var(--color-dark);
    border-color: var(--color-gray-700);
    color: var(--color-offwhite);
}

html.dark .btn:hover {
    background-color: var(--color-offwhite);
    color: var(--color-black);
}

html.dark .btn-primary {
    background-color: var(--color-offwhite);
    color: var(--color-black);
}

html.dark .btn-primary:hover {
    background-color: var(--color-dark);
    color: var(--color-offwhite);
}

html.dark .project-card-more {
    background-color: var(--color-gray-900);
}

html.dark .article-card-more {
    background-color: var(--color-gray-900);
}

html.dark .project-card-more:hover {
    background-color: var(--color-dark);
    box-shadow: none;
    transform: none;

}

html.dark .contact-badge {
    background-color: var(--color-dark);
    color: var(--color-offwhite);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

main {
  counter-reset: section-counter; 
}

/* ========================================
   Grid Overlay (Decorative)
   ======================================== */

/* .grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    background-image: 
        linear-gradient(to right, var(--color-gray-200) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-gray-200) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    height: 100%;
} */

.grid-overlay {
    position: fixed;
    inset: 0;
    /* width: 100%;
    min-height: 100%; */
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(to right, var(--color-gray-200) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-gray-200) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
}

/* ========================================
   Utility Classes
   ======================================== */

.section {
    counter-increment: section-counter;
}

span.section-number::before {
  content: "0" counter(section-counter) "";
  color: #888;
  font-family: monospace;
}

/* ========================================
   Layout
   ======================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

.section {
    padding: var(--space-4xl) 0;
    border-bottom: var(--border-width) solid var(--color-border-light);
}


.section:nth-child(even) {
    background-color: var(--color-bg-alt);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.section-title {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-number {
    color: var(--color-gray-500);
}

.section-name {
    color: var(--color-text);
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--color-border), transparent);
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: var(--border-width) solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-md) var(--container-padding);
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    text-transform: uppercase;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.2s, opacity 0.2s;
}

/* Nav Controls Container */
.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Theme Switch */
.theme-switch {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.theme-switch-track {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--color-cream);
    border: var(--border-width) solid var(--color-border);
    transition: background-color 0.2s;
}

.theme-switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background-color: var(--color-white);
    border: var(--border-width) solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.theme-switch-thumb .icon-sun {
    display: block;
    color: var(--color-black);
}

.theme-switch-thumb .icon-moon {
    display: none;
    color: var(--color-offwhite);
}

/* Dark mode switch state */
html.dark .theme-switch-track {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-600);
}

html.dark .theme-switch-thumb {
    transform: translateX(20px);
    background-color: var(--color-black);
    border-color: var(--color-gray-600);
}

html.dark .theme-switch-thumb .icon-sun {
    display: none;
}

html.dark .theme-switch-thumb .icon-moon {
    display: block;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: calc(var(--space-4xl) + 60px) 0 var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    border-bottom: var(--border-width) solid var(--color-border-light);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

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

.terminal-block {
    background-color: var(--color-dark);
    border: var(--border-width) solid var(--color-border);
    font-family: var(--font-mono);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-gray-900);
    border-bottom: var(--border-width) solid var(--color-gray-800);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-gray-700);
}

.terminal-title {
    margin-left: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.terminal-body {
    padding: var(--space-lg);
}

.cmd {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-xs);
}

.prompt {
    color: var(--color-gray-500);
    margin-right: var(--space-sm);
}

.hero-name {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.hero-tagline {
    font-size: 1rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-lg);
}

.hero-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-avatar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.avatar-frame {
    border: var(--border-width) solid var(--color-border);
    padding: var(--space-xs);
    background-color: var(--color-white);
}

.avatar-placeholder {
    width: 200px;
    height: 200px;
    background-color: var(--color-cream);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    color: var(--color-gray-500);
    /* Dithered pattern */
    background-image: 
        linear-gradient(45deg, var(--color-gray-200) 25%, transparent 25%),
        linear-gradient(-45deg, var(--color-gray-200) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--color-gray-200) 75%),
        linear-gradient(-45deg, transparent 75%, var(--color-gray-200) 75%);
    background-size: 4px 4px;
    background-position: 0 0, 0 2px, 2px -2px, -2px 0px;
}

.avatar-text {
    font-size: 1.5rem;
    font-weight: 600;
}

.avatar-subtext {
    font-size: 0.75rem;
}

.avatar-coords {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-gray-500);
}

/* ========================================
   About Section
   ======================================== */

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
}

.text-block p {
    margin-bottom: var(--space-md);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.text-block span.tagline {
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--space-md) !important;
}

.text-block p:last-child {
    margin-bottom: 0;
}

.about-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
}

.meta-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.meta-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value {
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ========================================
   Research Section
   ======================================== */

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.research-card {
    padding: var(--space-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}

.research-card:hover {
    transform: translateY(-2px);
}

.research-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.research-year,
.research-type {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-cream);
    border: var(--border-width) solid var(--color-border-light);
}

.research-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.research-authors {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.research-venue {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.research-links {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.research-footer {
    margin-top: var(--space3xl);
    display: flex;
    justify-content: center;
}

.research-footer .research-more-link {
    display: flex;
    align-items: center;
    min-width: 290px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-cream);
    border-style: dashed;
    border-width: 1px;
}

.research-footer .research-more-link:hover {
    box-shadow: none;
    background-color: var(--color-white);
    color: var(--color-text);
}

/* ========================================
   Shared Card Surface Styles
   ======================================== */

.about-meta,
.research-card,
.article-card,
.post-card,
.archive-card,
.project-card,
.skill-category {
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-text);
}

.article-card:hover,
.archive-card:hover,
.project-card:hover,
.research-card:hover {
    box-shadow: 4px 4px 0 var(--color-black);
}

/* ========================================
   Ramblings Section
   ======================================== */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.article-card {
    padding: var(--space-lg);
}

.article-meta {
    display: flex;
    /* justify-content: space-between; */
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    /* width: 100% !important; */
}

.article-date,
.article-read-time,
.article-meta-separator,
.archive-meta-separator,
.article-meta-text,
.archive-meta-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.article-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.article-title a {
    color: inherit;
    text-decoration: none;
}

.article-card-link,
.archive-card-link {
    display: flex;
    gap: var(--space-lg);
    color: inherit;
    text-decoration: none;
}

.article-card-link {
    flex-direction: column;
}

.archive-card-link {
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.article-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.article-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.article-card-more {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-cream);
    border-style: dashed;
}

.article-card-more:hover {
    box-shadow: none;
    background-color: var(--color-white);
}

.article-more-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.article-more-link:hover {
    color: var(--color-text);
}

/* ========================================
   Blog Layout
   ======================================== */

.post-page .post-container {
    max-width: 900px;
}

.post-card {
    padding: var(--space-2xl);
}

.post-header {
    margin-bottom: var(--space-xl);
}

.post-meta,
.archive-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.archive-meta {
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    width: 100%;
    flex-wrap: wrap;
}

.post-date,
.post-tags,
.archive-date,
.archive-read-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.post-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.post-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.post-content {
    font-size: 1rem;
    line-height: 1.8;
}

.post-content h2,
.post-content h3 {
    margin: 2rem 0 1rem;
    /* font-family: var(--font-mono); */
}

.post-content p,
.post-content ul,
.post-content ol {
    margin-bottom: 1rem;
}

.post-content ul {
    padding-left: 2em;
    list-style-position: outside;
}

.post-content a {
    color: var(--color-text);
    text-decoration: underline;
}

.back-link {
    display: inline-block;
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
}

.back-link:hover {
    color: var(--color-text);
}

.archive-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.archive-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
}

.archive-card-main {
    flex: 1;
    min-width: 0;
}

.archive-card-link {
    width: 100%;
    align-items: center;
}

.archive-card {
    width: 100%;
}

.archive-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.archive-title a {
    color: inherit;
    text-decoration: none;
}

.archive-excerpt {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.archive-card-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .post-card {
        padding: var(--space-lg);
    }

    .archive-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========================================
   Projects Section
   ======================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.project-card {
    padding: var(--space-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
}

.project-card-link {
    color: var(--color-gray-1200);;
    text-decoration: none;
}

.project-card-link::after, .project-more-link::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.project-index {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.project-links {
    display: flex;
    gap: var(--space-sm);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-gray-600);
    border: var(--border-width) solid var(--color-border-light);
    transition: all 0.2s;
}

.project-link:hover {
    color: var(--color-text);
    border-color: var(--color-border);
    background-color: var(--color-cream);
}

.project-title {
    color: inherit;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.project-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-cream);
    border: var(--border-width) solid var(--color-border-light);
}

.project-card-more {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-cream);
    border-style: dashed;
}

.project-card-more:hover {
    box-shadow: none;
    transform: none;
    background-color: var(--color-white);
}

.project-more-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.project-more-link:hover {
    color: var(--color-text);
}

/* ========================================
   Skills Section
   ======================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.skill-category {
    padding: var(--space-lg);
}

.skill-category-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: var(--border-width) solid var(--color-border-light);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-cream);
    border: var(--border-width) solid var(--color-border-light);
    transition: all 0.2s;
    min-width: 80px;
}

.skill-tag:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

/* ========================================
   Contact Section
   ======================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-json {
    font-size: 0.875rem;
    color: var(--color-gray-300);
    line-height: 1.8;
    white-space: pre;
}

.contact-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-text {
    font-size: 1.125rem;
    line-height: 1.6;
}

.cmd a{
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color 0.1s;
}

.cmd a:hover {
    color: var(--color-gray-500);
    /* text-decoration: underline dotted; */
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-small {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
}

.btn-primary {
    background-color: var(--color-black);
    color: var(--color-white);
}

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

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: var(--space-lg) 0;
    border-top: var(--border-width) solid var(--color-border);
    background-color: var(--color-bg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-divider {
    color: var(--color-gray-300);
}

.footer-time {
    font-variant-numeric: tabular-nums;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: var(--space-sm) var(--space-md);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-black);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-avatar {
        order: -1;
        align-items: center;
    }
    
    .avatar-placeholder {
        width: 160px;
        height: 160px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
        --space-4xl: 4rem;
    }
    
    .nav-links {
        position: fixed;
        top: 57px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: var(--border-width) solid var(--color-border);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(var(--space-3xl) + 60px);
    }
    
    .hero-name {
        font-size: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .section-line {
        width: 100%;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .skill-name {
        flex: none;
    }
    
    .skill-bar {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .footer-left {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .footer-divider {
        display: none;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .grid-overlay,
    .nav-toggle {
        display: none;
    }
    
    .header {
        position: static;
        border: none;
    }
    
    .section {
        padding: var(--space-xl) 0;
        break-inside: avoid;
    }
    
    .terminal-block {
        background-color: white;
        color: black;
        border: 1px solid black;
    }
    
    .terminal-body * {
        color: black !important;
    }
}