/* Minimal Reset */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: inherit;
  line-height: 1.4;
}

body {
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--color-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-subtle) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--color-fg);
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  overflow-x: hidden;
}

/* CSS Custom Properties */
:root {
  --color-bg: #F8FAFC;
  --color-fg: #0F172A;
  --color-mid: #64748B;
  --color-subtle: #E2E8F0;
  --color-accent: #2563EB;
  --color-accent-dim: rgba(37, 99, 235, 0.1);
  --color-code-bg: #F1F5F9;
  --color-panel-bg: #FFFFFF;
  --color-border: #E2E8F0;
  --color-grid: rgba(37, 99, 235, 0.15);
  --color-chart-1: #3B82F6;
  --color-chart-2: #10B981;
  --color-chart-3: #F59E0B;
  --color-chart-4: #EF4444;
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Consolas", "Courier New", monospace;
  --fs-display: clamp(2.5rem, 6vw, 4rem);
  --fs-h2: clamp(1.25rem, 2.5vw, 1.75rem);
  --fs-h3: clamp(1rem, 2vw, 1.25rem);
  --fs-body: clamp(1rem, 1.6vw, 1.125rem);
  --fs-small: clamp(0.875rem, 1.4vw, 1rem);
  --fs-mono: clamp(0.875rem, 1.4vw, 1rem);
  --leading-tight: 1.2;
  --leading-body: 1.6;
  --space-unit: 12px;
  --radius: 8px;
  --transition: 200ms ease;
  --border: 1px solid var(--color-border);
}

/* Layout */
html {
  scroll-behavior: smooth;
}

section {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition);
}

section.is-visible {
  opacity: 1;
  transform: none;
}

/* Data Visualization Elements */
.chart-container {
  position: relative;
  width: 100%;
  height: 200px;
  margin: calc(var(--space-unit) * 4) 0;
}

.chart-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 25px 25px;
  pointer-events: none;
}

.chart-bars {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding: 0 20px;
}

.chart-bar {
  width: 40px;
  background: linear-gradient(to top, var(--color-chart-1), var(--color-accent));
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: all var(--transition);
}

.chart-bar:hover {
  filter: brightness(1.1);
  transform: translateY(-4px);
}

.chart-bar:nth-child(2) {
  background: linear-gradient(to top, var(--color-chart-2), #059669);
}

.chart-bar:nth-child(3) {
  background: linear-gradient(to top, var(--color-chart-3), #D97706);
}

.chart-bar:nth-child(4) {
  background: linear-gradient(to top, var(--color-chart-4), #B91C1C);
}

.chart-labels {
  position: absolute;
  bottom: -25px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-around;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
}

.chart-values {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-around;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
}

/* Data Table Styles */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--space-unit) * 4) 0;
  background: var(--color-panel-bg);
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 100%;
  box-sizing: border-box;
}

.data-table th {
  background: var(--color-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-fg);
  text-align: left;
  padding: calc(var(--space-unit) * 2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  color: var(--color-fg);
  padding: calc(var(--space-unit) * 2);
  border-bottom: 1px solid var(--color-subtle);
}

.data-table tr:hover {
  background: var(--color-accent-dim);
}

.data-table .metric-value {
  font-weight: 800;
  color: var(--color-accent);
}

/* Progress Bars */
.progress-container {
  margin: calc(var(--space-unit) * 3) 0;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 1);
}

.progress-bar {
  height: 8px;
  background: var(--color-subtle);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-chart-1), var(--color-accent));
  width: 0%;
  transition: width var(--transition);
}

.progress-fill.success {
  background: linear-gradient(90deg, var(--color-chart-2), #059669);
}

.progress-fill.warning {
  background: linear-gradient(90deg, var(--color-chart-3), #D97706);
}

.progress-fill.danger {
  background: linear-gradient(90deg, var(--color-chart-4), #B91C1C);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(var(--space-unit) * 4);
  margin: calc(var(--space-unit) * 6) 0;
}

.kpi-card {
  background: var(--color-panel-bg);
  border: var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 4);
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: calc(var(--space-unit) * 1);
}

.kpi-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-change {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  margin-top: calc(var(--space-unit) * 1);
}

.kpi-change.positive {
  color: var(--color-chart-2);
}

.kpi-change.negative {
  color: var(--color-chart-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.1;
}

h1 {
  font-size: var(--fs-display);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--fs-h2);
  margin-bottom: calc(var(--space-unit) * 3);
}

h3 {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: calc(var(--space-unit) * 2);
}

p {
  margin: 0 0 calc(var(--space-unit) * 2) 0;
}

small {
  font-size: var(--fs-small);
  color: var(--color-mid);
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

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

/* Icon Styles */
.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-xs {
  width: 0.75em;
  height: 0.75em;
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--space-unit) * 3);
}

.grid {
  display: grid;
  gap: calc(var(--space-unit) * 4);
}

.grid-2 {
  grid-template-columns: 1fr;
}

/* Image Layout Rules */
figure {
  margin: 0;
  line-height: 0;
}

figure img {
  width: 100%;
  height: auto;
  display: block;
}

/* Company Logo Styles */
.company-logo {
  width: 32px;
  height: 32px;
  margin-right: 12px;
  vertical-align: middle;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  transition: transform 0.2s ease;
}

.project-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.project-name:hover .company-logo {
  transform: scale(1.1);
}

/* Hero Image Styles */
.hero-image {
  border-radius: 50%;
  width: 200px;
  height: 200px;
  object-fit: cover;
  margin: 0 auto;
}

/* Hero Image Layout */
#hero .hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space-unit) * 6);
}

#hero .hero-text {
  max-width: 800px;
}

/* Section Labels */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* GitHub Section */
#github {
  padding: calc(var(--space-unit) * 8) 0;
}

.github-subline {
  margin-bottom: calc(var(--space-unit) * 6);
}

.github-link {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  color: var(--color-fg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

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

.github-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--space-unit) * 4);
}

.repo-card {
  display: block;
  border: var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 3);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  background: transparent;
}

.repo-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.repo-name {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  color: var(--color-accent);
  margin-bottom: calc(var(--space-unit) * 1);
  display: block;
}

.repo-desc {
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 2);
  line-height: var(--leading-body);
}

.repo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space-unit) * 2);
  align-items: center;
}

.repo-lang {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-fg);
}

.repo-stars {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  display: flex;
  align-items: center;
  gap: 4px;
}

.repo-updated {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
}

.repo-fallback {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  text-align: center;
  padding: calc(var(--space-unit) * 4);
}

/* Contact Section Layout */
#contact .container {
  display: grid;
  gap: calc(var(--space-unit) * 4);
}

#contact h2 {
  margin-bottom: calc(var(--space-unit) * 2);
}

#contact p {
  margin-bottom: calc(var(--space-unit) * 4);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space-unit) * 4);
  margin-bottom: calc(var(--space-unit) * 4);
}

.contact-block {
  background: rgba(0, 0, 0, 0.02);
  padding: calc(var(--space-unit) * 3);
  border-radius: var(--radius);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-value {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
}

.contact-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact-value a:hover {
  border-bottom-color: var(--color-accent);
}

.availability {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  text-align: center;
  padding: calc(var(--space-unit) * 2);
  border-top: 1px solid var(--color-border);
}

/* About Section Image Layout */
#about .about-text figure {
  margin-bottom: calc(var(--space-unit) * 4);
}

/* Work Section Image Layout */
#work .project-item figure {
  margin: calc(var(--space-unit) * 4) 0;
  max-width: 240px;
  align-self: flex-end;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  background: rgba(247, 247, 242, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: var(--border);
  z-index: 100;
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 calc(var(--space-unit) * 2);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  min-height: 24px;
}

.nav-links {
  display: flex;
  gap: calc(var(--space-unit) * 4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: color var(--transition);
}

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

.nav-links a[aria-label="GitHub"] {
  color: var(--color-mid);
  text-decoration: none;
  border: none;
  background: none;
  padding: 0;
  font-size: 1.25rem;
}

.nav-links a[aria-label="GitHub"]:hover {
  color: var(--color-accent);
}

.nav-links {
  display: none;
  flex-direction: column;
  gap: calc(var(--space-unit) * 4);
  list-style: none;
  margin: 0;
  padding: 0;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: var(--transition);
}

.nav-links.nav-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav-links a {
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-size: var(--fs-h2);
}

.nav-links a:hover {
  background: rgba(0, 0, 0, 0.05);
}


/* Sections */
section {
  padding: calc(var(--space-unit) * 8) 0;
  border-top: 1px solid var(--color-border);
}

section:first-child {
  border-top: none;
}

/* Hero Section */
#hero {
  padding: calc(var(--space-unit) * 12) 0;
  text-align: center;
}

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

.hero-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 2);
}

.skills-line {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  color: var(--color-fg);
  margin-bottom: calc(var(--space-unit) * 2);
}

.status-line {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 4);
}

.cta-buttons {
  display: flex;
  gap: calc(var(--space-unit) * 3);
  justify-content: center;
  margin-bottom: calc(var(--space-unit) * 6);
}

.cta-btn {
  font-family: var(--font-mono);
  padding: calc(var(--space-unit) * 3) calc(var(--space-unit) * 5);
  border: var(--border);
  background: transparent;
  color: var(--color-fg);
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--fs-body);
}

.cta-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.metrics-divider {
  border: none;
  border-top: 1px solid var(--color-subtle);
  margin: calc(var(--space-unit) * 6) 0;
  width: 100%;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--space-unit) * 4);
  margin-top: calc(var(--space-unit) * 6);
}

.metric-card {
  background: var(--color-panel-bg);
  border: var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 4);
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: calc(var(--space-unit) * 1);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}


/* Work Section */
#work h2 {
  margin-bottom: calc(var(--space-unit) * 6);
}

.project-list {
  display: grid;
  gap: calc(var(--space-unit) * 6);
}

.project-item {
  background: var(--color-panel-bg);
  border: var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 4);
  transition: all var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.project-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: var(--color-accent-dim);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: calc(var(--space-unit) * 3);
  padding-bottom: calc(var(--space-unit) * 2);
  border-bottom: 1px solid var(--color-subtle);
}

.project-name {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: calc(var(--space-unit) * 1);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
}

.project-insights {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space-unit) * 2);
  margin-bottom: calc(var(--space-unit) * 3);
  padding: calc(var(--space-unit) * 3);
  background: var(--color-accent-dim);
  border-radius: var(--radius);
}

.insight-item {
  display: flex;
  gap: calc(var(--space-unit) * 2);
  align-items: center;
}

.insight-label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 80px;
}

.insight-value {
  font-size: var(--fs-body);
  color: var(--color-fg);
}

.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space-unit) * 2);
}

.tool-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  background: var(--color-code-bg);
  color: var(--color-fg);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}


/* Skills Section */
#skills h2 {
  margin-bottom: calc(var(--space-unit) * 6);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space-unit) * 4);
}

.skill-card {
  background: var(--color-panel-bg);
  border: var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 4);
  transition: all var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: var(--color-accent-dim);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 2);
  margin-bottom: calc(var(--space-unit) * 3);
  padding-bottom: calc(var(--space-unit) * 2);
  border-bottom: 1px solid var(--color-subtle);
}

.skill-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.skill-title {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-fg);
}

.skill-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space-unit) * 2);
}

.metric-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  background: var(--color-code-bg);
  color: var(--color-fg);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.metric-badge:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.metric-badge.learning {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--color-accent);
  font-weight: 700;
}

/* About Section */
#about h2 {
  margin-bottom: calc(var(--space-unit) * 6);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space-unit) * 6);
}

.about-text {
  line-height: 1.6;
}

.about-sidebar {
  display: grid;
  gap: calc(var(--space-unit) * 4);
}

.education-list, .certs-list {
  display: grid;
  gap: calc(var(--space-unit) * 3);
}

.education-item, .cert-item {
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--space-unit) * 3);
}

.education-degree, .cert-name {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: calc(var(--space-unit) * 1);
}

.education-meta, .cert-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 1);
}

.education-desc {
  font-size: var(--fs-small);
  color: var(--color-mid);
}

/* Honors Section */
#honors h2 {
  margin-bottom: calc(var(--space-unit) * 6);
}

.honors-list {
  display: grid;
  gap: calc(var(--space-unit) * 4);
}

.honor-item {
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--space-unit) * 4);
}

.honor-name {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: calc(var(--space-unit) * 1);
}

.honor-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-mid);
  margin-bottom: calc(var(--space-unit) * 2);
}

.honor-desc {
  font-size: var(--fs-small);
  color: var(--color-mid);
  line-height: var(--leading-body);
}

/* Contact Section */
#contact h2 {
  margin-bottom: calc(var(--space-unit) * 4);
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: calc(var(--space-unit) * 6) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 2);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--space-unit) * 4);
  font-size: var(--fs-small);
  color: var(--color-mid);
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 1);
}

.footer-links {
  display: flex;
  gap: calc(var(--space-unit) * 3);
  justify-content: center;
  align-items: center;
}

.footer-links a {
  color: var(--color-mid);
  text-decoration: none;
  padding: calc(var(--space-unit) * 1);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
  background: rgba(0, 0, 0, 0.05);
}


/* Responsive Design - Mobile First */
@media (max-width: 639px) {
  /* Mobile-specific optimizations */
  :root {
    --space-unit: 10px;
  }
  
  .container {
    padding: 0 calc(var(--space-unit) * 2);
  }
  
  /* Hero Section Mobile */
  #hero {
    padding: calc(var(--space-unit) * 8) 0;
  }
  
  .hero-content {
    gap: calc(var(--space-unit) * 4);
  }
  
  .hero-image {
    width: 150px;
    height: 150px;
  }
  
  .skills-line {
    font-size: var(--fs-small);
  }
  
  .status-line {
    font-size: var(--fs-small);
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: calc(var(--space-unit) * 2);
    align-items: center;
  }
  
  .cta-btn {
    width: 100%;
    max-width: 280px;
    padding: calc(var(--space-unit) * 3) calc(var(--space-unit) * 4);
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: calc(var(--space-unit) * 3);
  }
  
  .metric-card {
    padding: calc(var(--space-unit) * 3);
  }
  
  .metric-value {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }
  
  /* Section Spacing */
  section {
    padding: calc(var(--space-unit) * 6) 0;
  }
  
  /* Work Section Mobile */
  .project-list {
    gap: calc(var(--space-unit) * 4);
  }
  
  .project-header {
    flex-direction: column;
    align-items: flex-start;
    gap: calc(var(--space-unit) * 1);
  }
  
  .project-name {
    font-size: var(--fs-body);
  }
  
  .project-meta {
    font-size: var(--fs-small);
  }
  
  .project-insights {
    padding: calc(var(--space-unit) * 2);
  }
  
  .insight-item {
    flex-direction: column;
    align-items: flex-start;
    gap: calc(var(--space-unit) * 1);
  }
  
  .insight-label {
    font-size: var(--fs-small);
  }
  
  .insight-value {
    font-size: var(--fs-body);
  }
  
  .project-tools {
    flex-wrap: wrap;
  }
  
  .tool-tag {
    font-size: var(--fs-small);
    padding: 2px 6px;
  }
  
  /* Skills Section Mobile */
  .data-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .data-table {
    min-width: 600px;
  }
  
  .skills-grid {
    gap: calc(var(--space-unit) * 3);
  }
  
  .skill-card {
    padding: calc(var(--space-unit) * 3);
  }
  
  .skill-header {
    gap: calc(var(--space-unit) * 1.5);
  }
  
  .skill-icon {
    font-size: 1.25rem;
  }
  
  .skill-title {
    font-size: var(--fs-body);
  }
  
  .skill-metrics {
    gap: calc(var(--space-unit) * 1);
  }
  
  .metric-badge {
    font-size: var(--fs-small);
    padding: 4px 8px;
  }
  
  /* About Section Mobile */
  .about-grid {
    gap: calc(var(--space-unit) * 4);
  }
  
  .about-text {
    line-height: 1.7;
  }
  
  .education-list, .certs-list {
    gap: calc(var(--space-unit) * 2);
  }
  
  .education-item, .cert-item {
    padding-top: calc(var(--space-unit) * 2);
  }
  
  .education-degree, .cert-name {
    font-size: var(--fs-body);
  }
  
  .education-meta, .cert-meta {
    font-size: var(--fs-small);
  }
  
  .education-desc {
    font-size: var(--fs-small);
  }
  
  /* Honors Section Mobile */
  .honors-list {
    gap: calc(var(--space-unit) * 3);
  }
  
  .honor-item {
    padding-top: calc(var(--space-unit) * 3);
  }
  
  .honor-name {
    font-size: var(--fs-body);
  }
  
  .honor-meta {
    font-size: var(--fs-small);
  }
  
  .honor-desc {
    font-size: var(--fs-small);
  }
  
  /* Contact Section Mobile */
  #contact .contact-grid {
    gap: calc(var(--space-unit) * 3);
  }
  
  .contact-block {
    padding: calc(var(--space-unit) * 2);
  }
  
  .contact-label {
    font-size: var(--fs-small);
  }
  
  .contact-value {
    font-size: clamp(1.125rem, 3.5vw, 1.25rem);
  }
  
  .availability {
    font-size: var(--fs-small);
    padding: calc(var(--space-unit) * 1.5);
  }
  
  /* Footer Mobile */
  footer {
    padding: calc(var(--space-unit) * 4) 0;
  }
  
  .footer-content {
    gap: calc(var(--space-unit) * 2);
  }
  
  .footer-left {
    gap: calc(var(--space-unit) * 1);
  }
  
  .footer-links {
    gap: calc(var(--space-unit) * 2);
  }
  
  .footer-links a {
    padding: calc(var(--space-unit) * 1);
    font-size: var(--fs-small);
  }
  
  /* Navigation Mobile */
  .nav-container {
    padding: 0;
  }
  
  .logo {
    font-size: var(--fs-small);
    min-height: auto;
    align-items: center;
  }
  
  .nav-links {
    padding: calc(var(--space-unit) * 4);
  }
  
  .nav-links a {
    font-size: var(--fs-h2);
    padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 3);
  }
}

@media (min-width: 640px) {
  .container {
    padding: 0 calc(var(--space-unit) * 4);
  }
  
  .skill-row {
    grid-template-columns: 200px 1fr;
  }
  
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
  
  /* Hero Image Layout - Tablet */
  #hero .hero-content {
    grid-template-columns: 0.35fr 0.65fr;
    text-align: left;
  }
  
  #hero .hero-text {
    max-width: none;
  }
  
  /* Contact Section - Tablet */
  #contact .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  #contact .availability {
    text-align: left;
  }
  
  /* Work Section Images - Tablet */
  #work .project-item figure {
    margin-left: auto;
    margin-right: 0;
  }
  
  /* About Section Image - Tablet */
  #about .about-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  #about .about-text figure {
    max-width: 320px;
    margin-right: auto;
  }
}

@media (min-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  
  .nav-links {
    display: flex;
    position: static;
    background: none;
    opacity: 1;
    pointer-events: all;
    transform: none;
    flex-direction: row;
    gap: calc(var(--space-unit) * 4);
  }
  
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 200;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-fg);
    transition: all var(--transition);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }
}
  
  .project-header {
    flex-direction: row;
  }
  
  .project-meta {
    margin-top: 0;
  }
  
  .skill-row {
    grid-template-columns: 250px 1fr;
  }
  
  .cta-buttons {
    flex-direction: row;
    align-items: center;
  }
  
  .stats {
    flex-direction: row;
  }
}

@media (min-width: 1440px) {
  .container {
    padding: 0 calc(var(--space-unit) * 6);
  }
  
  .skill-row {
    grid-template-columns: 300px 1fr;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Print Styles */
@media print {
  header, footer {
    display: none;
  }
  
  section {
    border-top: none;
    page-break-inside: avoid;
  }
  
  body {
    background: white;
    color: black;
  }
}