/* MESGRO - Robotics & Mechatronics Portfolio Template - Blue Theme */
/**
 * Base styles and CSS custom properties
 * MESGRO - Robotics & Mechatronics Portfolio Template
 */
/* CSS Custom Properties */
:root {
  /* Colors - Light Theme (Bright Blue) */
  --primary-color: #1565c0;
  --primary-dark: #0d47a1;
  --secondary-color: #42a5f5;
  --accent-color: #64b5f6;
  /* Bright Sky Blue */
  --background-color: #ecf0f6;
  --surface-color: #ffffff;
  --text-primary: #0d1b2a;
  --text-secondary: #37474f;
  --text-muted: #607d8b;
  --border-color: #90caf9;
  --shadow-color: rgba(21, 101, 192, 0.1);
  --shadow-hover: rgba(21, 101, 192, 0.15);
  /* Colors - Semantic */
  --success-color: #2d3436;
  --warning-color: #c5a059;
  --error-color: #a40000;
  --info-color: #1a1a1b;
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  /* Layout */
  --container-max-width: 1200px;
  --container-max-height: 800px;
  --container-padding: 1rem;
  --header-height: 70px;
  --footer-height: auto;
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  /* Z-index scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Theme (Deep Space with Soft Blue Accents) */
[data-theme=dark] {
  --primary-color: #64b5f6;
  --primary-dark: #90caf9;
  --secondary-color: #42a5f5;
  --accent-color: #5dade2;
  --background-color: #1a2332;
  --surface-color: #243447;
  --text-primary: #e3f2fd;
  --text-secondary: #b3d9f2;
  --text-muted: #80b3d1;
  --border-color: #3d5a7a;
  --shadow-color: rgba(100, 181, 246, 0.2);
  --shadow-hover: rgba(100, 181, 246, 0.3);
  /* Code Blocks - Dark */
  --code-bg: #1e2936;
  /* VS Code Dark style */
  --code-text: #b3d9f2;
  --code-border: #3d5a7a;
}

[data-theme=light] {
  /* ... existing light variables ... */
  --code-bg: #f5f5f5;
  --code-text: #24292e;
  --code-border: #e1e4e8;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--background-color);
  background-image: radial-gradient(circle at 50% 0%, var(--surface-color) 0%, var(--background-color) 70%);
  background-attachment: fixed;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  position: relative;
}

#canvas-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 1;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

/* Lists */
ul,
ol {
  margin: 0 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

/* Code */
code {
  font-family: var(--font-family-mono);
  font-size: 0.875em;
  background-color: var(--surface-color);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  background-color: var(--code-bg);
  color: var(--code-text);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--code-border);
  overflow-x: auto;
  margin: 0 0 var(--spacing-md) 0;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.05);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
  box-shadow: none;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Forms */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

/* Utility Classes */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-light {
  font-weight: var(--font-weight-light);
}

.font-normal {
  font-weight: var(--font-weight-normal);
}

.font-medium {
  font-weight: var(--font-weight-medium);
}

.font-semibold {
  font-weight: var(--font-weight-semibold);
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

.text-xs {
  font-size: var(--font-size-xs);
}

.text-sm {
  font-size: var(--font-size-sm);
}

.text-base {
  font-size: var(--font-size-base);
}

.text-lg {
  font-size: var(--font-size-lg);
}

.text-xl {
  font-size: var(--font-size-xl);
}

.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/**
 * Layout styles - Header, Footer, Navigation
 * MESGRO - Robotics & Mechatronics Portfolio Template
 */
/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.brand-text {
  color: var(--text-primary);
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-item {
  display: flex;
  align-items: center;
}

a.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-md) 0;
  text-align: center;
  text-decoration: none;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition-fast);
}

a.nav-link:hover,
a.nav-link.active {
  color: var(--accent-color);
}

a.nav-link.active::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent-color);
  border-radius: var(--radius-md);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--surface-color);
  color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 2px 0;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translate(0px, 6px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translate(0px, -6px) rotate(-45deg);
}

/* Main Content */
#main-content {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, var(--surface-color) 0%, #0a0a0a 100%);
  border-top: 2px solid var(--border-color);
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 0.5;
}

.footer-simple {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-brand {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(5px);
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.mesgro-title {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 2.5rem;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  background: linear-gradient(45deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.mesgro-definition {
  font-family: "Inter", sans-serif;
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.6;
}

.def-highlight {
  color: var(--primary-color);
  font-weight: 800;
  /* font-family: 'JetBrains Mono', monospace; */
  /* Removed to fix alignment */
}

.social-links-center {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.social-links-center a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--background-color);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.social-links-center a:hover {
  background-color: var(--primary-color);
  color: var(--background-color);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--shadow-hover);
}

.footer-credits {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-lg);
}

.footer-credits p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.footer-credits a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-credits a:hover {
  text-decoration: underline;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--shadow-color);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-hover);
}

/**
 * Component styles - Buttons, Cards, Forms, etc.
 * MESGRO - Robotics & Mechatronics Portfolio Template
 */
/* Buttons */
.btn-primary,
.btn-secondary,
.btn-github,
.btn-demo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--background-color);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  padding: var(--spacing-md) var(--spacing-xl);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  padding: var(--spacing-md) var(--spacing-xl);
}

.btn-secondary:hover {
  background-color: var(--surface-color);
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.btn-github {
  background-color: #24292e;
  color: white;
}

.btn-github:hover {
  background-color: #1a1e22;
}

.btn-demo {
  background-color: var(--primary-color);
  color: #ffffff;
  font-weight: 600;
}

.btn-demo:hover {
  background-color: var(--primary-dark);
  color: #ffffff;
}

/* Personal Hero Section */
.hero-personal {
  background: transparent;
  padding: var(--spacing-xl) 0;
  min-height: 50vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  text-align: left;
  align-items: flex-start;
}

.hero-info-wrapper {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.hero-info {
  text-align: center;
}

.hero-name {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: var(--font-size-lg);
  color: var(--accent-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: var(--font-weight-light);
}

/* Ensure hero-personal text is always visible */
.hero-personal .hero-title,
.hero-personal .hero-description {
  color: var(--text-secondary);
}

.hero-personal .hero-title {
  color: var(--primary-color);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  justify-content: flex-start;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background-color: var(--surface-color);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

/* Skills Section */
.skills-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--surface-color);
}

.skills-content h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.skill-category {
  background-color: var(--background-color);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-normal);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.skill-category h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.skill-category h3 i {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
}

.skill-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--primary-color);
  color: var(--background-color);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Projects Showcase */
.projects-showcase {
  padding: var(--spacing-3xl) 0;
  background-color: var(--background-color);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  letter-spacing: 0.05em;
  max-width: 600px;
  margin: 0 auto;
}

.projects-grid-featured {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.project-card-featured {
  background-color: var(--surface-color);
  border-radius: var(--radius-sm);
  border: none;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.project-card-featured:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.project-media {
  position: relative;
  height: 180px;
  overflow: hidden;
  background-color: var(--background-color);
}

.project-image,
.preview-model-small {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-placeholder-small {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: var(--font-size-3xl);
  color: var(--text-muted);
  background-color: var(--surface-color);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card-featured:hover .project-overlay {
  opacity: 1;
}

.project-link-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--background-color);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.project-link-overlay:hover {
  background-color: var(--primary-dark);
  transform: scale(1.1);
}

.project-info-featured {
  padding: var(--spacing-lg);
}

.project-categories-small {
  margin-bottom: var(--spacing-sm);
}

.category-tag-small {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--surface-color);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-right: var(--spacing-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-title-featured {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.project-title-featured a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.project-title-featured a:hover {
  color: var(--primary-color);
}

.project-excerpt-small {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-normal);
}

.project-features-small {
  display: flex;
  gap: var(--spacing-sm);
}

.feature-badge-small {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--background-color);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.showcase-actions {
  text-align: center;
}

.btn-primary-large {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  background-color: var(--primary-color);
  color: var(--background-color);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.btn-primary-large:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-sm);
}

.btn-outline:hover {
  background-color: var(--surface-color);
  border-color: var(--text-primary);
  color: var(--text-primary);
}

/* Hero Sections */
.projects-hero,
.project-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.projects-hero .hero-title,
.project-hero .hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
  color: white;
}

.projects-hero .hero-description,
.project-hero .hero-description {
  font-size: var(--font-size-base);
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--surface-color);
}

.features-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.feature {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--background-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.feature-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.feature h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature p {
  color: var(--text-secondary);
}

/* Project Cards */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.project-card {
  background-color: var(--background-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px var(--shadow-hover);
}

.project-preview {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: var(--surface-color);
}

.project-image,
.preview-model {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: var(--font-size-4xl);
  color: var(--text-muted);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--background-color);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--primary-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background-color: var(--primary-dark);
  transform: scale(1.05);
}

.project-info {
  padding: var(--spacing-lg);
}

.project-categories {
  margin-bottom: var(--spacing-sm);
}

.category-tag,
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-fast);
}

.category-tag:hover,
.tag:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.project-title {
  margin-bottom: var(--spacing-sm);
}

.project-title a {
  color: var(--text-primary);
  text-decoration: none;
}

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

.project-excerpt {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.project-features {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--surface-color);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.project-date {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.github-link {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  transition: color var(--transition-fast);
}

.github-link:hover {
  color: var(--primary-color);
}

/* Project Filters */
.projects-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--surface-color);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* No Projects State */
.no-projects {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.no-projects-content {
  max-width: 400px;
  margin: 0 auto;
}

.no-projects i {
  font-size: var(--font-size-5xl);
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.no-projects h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.no-projects p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* Notifications */
.notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  max-width: 400px;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px var(--shadow-hover);
  z-index: var(--z-modal);
  animation: slideInRight 0.3s ease;
}

.notification-info {
  border-left: 4px solid var(--info-color);
}

.notification-success {
  border-left: 4px solid var(--success-color);
}

.notification-warning {
  border-left: 4px solid var(--warning-color);
}

.notification-error {
  border-left: 4px solid var(--error-color);
}

.notification-message {
  display: block;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  margin-right: var(--spacing-lg);
}

.notification-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.notification-close:hover {
  background-color: var(--surface-color);
  color: var(--text-primary);
}

/* Animations */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

.slide-up {
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.6s ease forwards;
}

.fade-in.animate,
.slide-up.animate {
  animation-play-state: running;
}

/**
 * Project-specific styles - 3D Models, Schematics, Code blocks
 * MESGRO - Robotics & Mechatronics Portfolio Template
 */
/* Project Layout */
.project-content {
  padding: var(--spacing-xl) 0;
}

.project-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.project-section {
  background-color: var(--background-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.project-section h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: 0;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
}

.project-section h2 i {
  color: var(--primary-color);
}

/* Project Header */
.project-header {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.project-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: white;
}

.project-description {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.project-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* 3D Model Viewer */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
}

.model-viewer-container {
  position: relative;
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.model-viewer {
  width: 100%;
  height: 400px;
  background-color: #f0f0f0;
  --poster-color: transparent;
}

.model-viewer.loaded {
  background-color: transparent;
}

.model-controls {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.model-viewer-container:hover .model-controls {
  opacity: 1;
}

.control-btn {
  width: 36px;
  height: 36px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.control-btn:hover {
  background-color: var(--primary-color);
  transform: scale(1.05);
}

.control-btn.active {
  background-color: var(--primary-color);
}

.model-description {
  padding: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
}

.model-error {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-color);
  color: var(--text-muted);
}

.error-content {
  text-align: center;
}

.error-content i {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  color: var(--warning-color);
}

/* Circuit Schematics */
.schematics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
}

.schematic-container {
  position: relative;
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.zoomable-container {
  position: relative;
  overflow: hidden;
  background-color: var(--surface-color);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.schematic-image {
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
  cursor: default;
  transition: transform var(--transition-fast);
}

.zoom-controls {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.zoomable-container:hover .zoom-controls {
  opacity: 1;
}

.zoom-btn {
  width: 36px;
  height: 36px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.schematic-description {
  padding: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
}

/* Code Section */
.code-tabs {
  display: flex;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tab-button {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-button:hover,
.tab-button.active {
  color: var(--text-primary);
  background-color: var(--code-bg);
}

.tab-button.active {
  border-bottom-color: var(--primary-color);
}

.code-content {
  position: relative;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--code-bg);
  border-bottom: 1px solid var(--code-border);
}

.file-name {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  transition: all var(--transition-fast);
}

.download-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
}

.tab-content pre {
  margin: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  border: none;
  background-color: var(--code-bg);
  color: var(--code-text);
  max-height: 500px;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* Syntax Highlighting (Rouge/Jekyll Defaults) */
.highlight .c,
.highlight .c1,
.highlight .cm,
.highlight .cp,
.highlight .cs {
  color: #6a9955;
}

/* Comments */
.highlight .k,
.highlight .kd,
.highlight .kn,
.highlight .kp,
.highlight .kr,
.highlight .kt {
  color: #569cd6;
  font-weight: bold;
}

/* Keywords */
.highlight .s,
.highlight .s1,
.highlight .s2,
.highlight .sa,
.highlight .sb,
.highlight .sc,
.highlight .sd,
.highlight .se,
.highlight .sh,
.highlight .si,
.highlight .sx,
.highlight .sr,
.highlight .ss {
  color: #ce9178;
}

/* Strings */
.highlight .n,
.highlight .na,
.highlight .nc,
.highlight .nd,
.highlight .ne,
.highlight .nf,
.highlight .ni,
.highlight .nl,
.highlight .nn,
.highlight .no,
.highlight .nt,
.highlight .nv,
.highlight .nx {
  color: #dcdcaa;
}

/* Names/Functions */
.highlight .m,
.highlight .mb,
.highlight .mf,
.highlight .mh,
.highlight .mi,
.highlight .il,
.highlight .mo,
.highlight .mx {
  color: #b5cea8;
}

/* Numbers */
.highlight .o,
.highlight .ow {
  color: #d4d4d4;
}

/* Operators */
.highlight .gd {
  color: #f44747;
}

/* Diff Delete */
.highlight .gi {
  color: #6a9955;
}

/* Diff Insert */
/* Components List */
.components-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.component-item {
  padding: var(--spacing-lg);
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.component-item h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quantity {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-normal);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--background-color);
  border-radius: var(--radius-sm);
}

.component-item p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.component-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.component-link:hover {
  color: var(--primary-dark);
}

/* Media Gallery */
.media-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.media-item {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
}

.gallery-image,
.gallery-gif {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  cursor: zoom-in;
  display: block;
}

.gallery-video {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.media-caption {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  margin: 0;
  background-color: var(--background-color);
  width: 100%;
}

.media-description {
  padding: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
}

/* Project Description Content */
.project-description-content {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.project-description-content h3,
.project-description-content h4 {
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.project-description-content ul,
.project-description-content ol {
  margin-bottom: var(--spacing-md);
}

.project-description-content li {
  margin-bottom: var(--spacing-xs);
}

/* Project Navigation */
.project-navigation {
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
}

.nav-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--background-color);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  min-width: 120px;
}

.nav-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

.nav-link.prev {
  justify-content: flex-start;
}

.nav-link.next {
  justify-content: flex-end;
}

.nav-link.all-projects {
  justify-content: center;
  background-color: var(--primary-color);
  color: white;
}

.nav-link.all-projects:hover {
  background-color: var(--primary-dark);
}

.nav-link span {
  font-weight: var(--font-weight-medium);
}

/* Revised Project Layout for Two-Column Design */
/* Revised Project Layout for Two-Column Design */
.project-split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
}
@media (max-width: 900px) {
  .project-split-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

.project-left-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.project-right-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Header Simple */
.project-header-simple {
  padding: var(--spacing-xl) 0 0 0;
  margin-bottom: var(--spacing-lg);
}

.project-title-simple {
  font-size: 2.5rem;
  color: var(--text-primary);
  margin: 0;
}

/* Clean Section Typography */
.project-section-clean h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.project-lead {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.project-description-content {
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Components Table */
.components-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.components-table th,
.components-table td {
  padding: var(--spacing-sm) var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.components-table th {
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
}

.components-table tr:last-child td {
  border-bottom: none;
}

.component-qty {
  font-family: monospace;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Collapsible Code Section */
details.code-details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-color);
}

details.code-details summary {
  padding: var(--spacing-md);
  cursor: pointer;
  background: var(--background-color);
  font-weight: 500;
  list-style: none;
  /* Hide default marker */
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s;
}

details.code-details summary::-webkit-details-marker {
  display: none;
}

details.code-details summary:hover {
  background-color: var(--surface-color-hover);
}

details.code-details summary::after {
  content: "+";
  font-weight: bold;
}

details.code-details[open] summary::after {
  content: "-";
}

details.code-details .code-links-compact {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* Compact Code */
.code-links-compact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.code-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background: var(--surface-color);
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* Code Section Styles */
.code-list-container {
  padding: var(--spacing-sm) 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.code-file-summary {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  background: var(--surface-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: background-color 0.2s;
  list-style: none;
}

.code-file-summary:hover {
  background-color: var(--surface-color-hover);
}

.code-file-summary::-webkit-details-marker {
  display: none;
}

.code-file-wrapper:first-child .code-file-summary {
  border-top: 1px solid var(--border-color);
}

.code-file-details[open] .code-file-summary {
  background-color: var(--background-color);
  font-weight: 500;
  border-bottom: none;
}

.code-file-summary::after {
  content: "+";
  font-weight: bold;
  margin-left: auto;
  padding-left: var(--spacing-sm);
}

.code-file-details[open] .code-file-summary::after {
  content: "-";
}

.file-name i {
  margin-right: var(--spacing-sm);
  color: var(--text-muted);
}

.file-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.lang-tag {
  font-size: 0.75rem;
  padding: 2px 6px;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-transform: uppercase;
}

.file-download-icon {
  color: var(--text-muted);
  transition: color 0.2s;
}

.file-download-icon:hover {
  color: var(--primary-color);
}

.code-block-content {
  background: #1e1e1e;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

/* ... existing styles ... */
/* Project Navigation */
.project-navigation {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
  background: var(--background-color);
  margin-top: var(--spacing-2xl);
}

.project-navigation .container .nav-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.nav-link:hover {
  background: var(--surface-color-hover);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.nav-link i {
  font-size: 0.9em;
}

.nav-link span {
  display: inline-block;
}

.nav-link.all-projects {
  background: var(--surface-color);
  color: var(--text-primary);
  font-weight: 600;
}

.nav-link.all-projects:hover {
  background: var(--primary-color);
  color: white;
}

.code-block-content pre {
  margin: 0;
  padding: var(--spacing-md);
  font-family: "Fira Code", monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Prism Overrides for consistency */
code[class*=language-],
pre[class*=language-] {
  text-shadow: none !important;
  font-family: "Fira Code", monospace !important;
}

/* Bottom Meta / Actions */
.project-meta-bottom {
  margin-top: auto;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.project-actions-small {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-small {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

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

.project-categories-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.category-tag-small {
  padding: 2px 8px;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Right Panel Media */
.project-media-group {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.project-media-group h4 {
  padding: var(--spacing-sm) var(--spacing-md);
  margin: 0;
  background: rgba(0, 0, 0, 0.2);
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.media-gallery-stack,
.models-grid-compact,
.schematics-stack {
  display: flex;
  flex-direction: column;
}

.media-item,
.schematic-container {
  border-bottom: 1px solid var(--border-color);
}

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

.model-viewer {
  width: 100%;
  height: 400px;
}

/* Assembly Instructions Dropdown */
details.assembly-details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-color);
  margin-bottom: var(--spacing-lg);
}

details.assembly-details summary {
  padding: var(--spacing-md);
  cursor: pointer;
  background: var(--background-color);
  font-weight: 500;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s;
  color: var(--text-primary);
}

details.assembly-details summary::-webkit-details-marker {
  display: none;
}

details.assembly-details summary:hover {
  background-color: var(--surface-color-hover);
}

details.assembly-details summary::after {
  content: "+";
  font-weight: bold;
}

details.assembly-details[open] summary::after {
  content: "-";
}

details.assembly-details .assembly-content {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

details.assembly-details .assembly-content h3,
details.assembly-details .assembly-content h4 {
  margin-top: 0;
}

/* Dynamic Section Dropdowns (JS Generated) */
details.section-details {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
  background: var(--surface-color);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

details.section-details summary.section-summary {
  padding: var(--spacing-md);
  cursor: pointer;
  background: var(--background-color);
  font-weight: 600;
  font-size: 1.1rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s;
  color: var(--text-primary);
  border-radius: var(--radius-md);
}

details.section-details[open] summary.section-summary {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: 1px solid var(--border-color);
}

details.section-details summary.section-summary:hover {
  background-color: var(--surface-color-hover);
}

details.section-details summary.section-summary::-webkit-details-marker {
  display: none;
}

details.section-details summary.section-summary::after {
  content: "+";
  font-weight: bold;
}

details.section-details[open] summary.section-summary::after {
  content: "-";
}

details.section-details .section-content {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/**
 * Responsive styles and mobile optimization
 * MESGRO - Robotics & Mechatronics Portfolio Template
 */
/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
    justify-content: center;
    align-items: center;
  }
  .site-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
  }
  .nav-link.active::after {
    display: none;
  }
  body.menu-open {
    overflow: hidden;
  }
}
/* Personal Hero Section */
@media (max-width: 968px) {
  .hero-content {
    gap: var(--spacing-xl);
  }
}
@media (max-width: 768px) {
  .hero-personal {
    padding: var(--spacing-xl) 0;
    min-height: auto;
  }
  .hero-content {
    align-items: center;
    text-align: center;
  }
  .hero-info-wrapper {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
  }
  .hero-text {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .hero-name {
    font-size: var(--font-size-3xl);
  }
  .hero-title {
    font-size: var(--font-size-lg);
  }
  .hero-description {
    font-size: var(--font-size-base);
    max-width: none;
  }
  .hero-stats {
    justify-content: center;
    gap: var(--spacing-lg);
  }
  .hero-actions {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }
  .social-links {
    justify-content: center;
  }
}
@media (max-width: 480px) {
  .hero-stats {
    gap: var(--spacing-md);
  }
  .stat-number {
    font-size: var(--font-size-xl);
  }
}
/* Skills Section */
@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  .skill-category {
    padding: var(--spacing-md);
  }
}
@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}
/* Projects Showcase */
@media (max-width: 768px) {
  .projects-grid-featured {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .project-media {
    height: 160px;
  }
}
@media (max-width: 480px) {
  .project-info-featured {
    padding: var(--spacing-md);
  }
  .project-media {
    height: 140px;
  }
}
/* Hero Sections */
@media (max-width: 768px) {
  .hero-title,
  .project-title {
    font-size: var(--font-size-3xl);
  }
  .hero-description,
  .project-description {
    font-size: var(--font-size-base);
  }
  .project-meta {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}
/* Features Grid */
@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature {
    padding: var(--spacing-lg);
  }
}
/* Projects Grid */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .project-card {
    margin: 0 var(--spacing-sm);
  }
}
@media (max-width: 480px) {
  .projects-filters {
    flex-direction: column;
    align-items: center;
  }
  .filter-btn {
    min-width: 120px;
    text-align: center;
  }
}
/* Project Content */
@media (max-width: 968px) {
  .models-grid,
  .schematics-grid {
    grid-template-columns: 1fr;
  }
  .model-viewer {
    height: 300px;
  }
}
@media (max-width: 640px) {
  .project-content {
    padding: var(--spacing-lg) 0;
  }
  .project-grid {
    gap: var(--spacing-xl);
  }
  .project-section h2 {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md);
  }
  .models-grid,
  .schematics-grid,
  .components-list,
  .media-gallery {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }
  .model-viewer {
    height: 250px;
  }
  .gallery-image,
  .gallery-gif,
  .gallery-video {
    height: auto;
    max-height: 400px;
  }
}
/* Code Tabs */
@media (max-width: 640px) {
  .code-tabs {
    flex-wrap: wrap;
  }
  .tab-button {
    flex: 1;
    min-width: 100px;
  }
  .code-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  .download-btn {
    align-self: flex-end;
  }
}
/* Components List */
@media (max-width: 640px) {
  .components-list {
    grid-template-columns: 1fr;
  }
  .component-item h4 {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}
/* Project Navigation */
@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  .nav-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .nav-link.prev,
  .nav-link.next {
    justify-content: center;
  }
}
/* Footer */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}
@media (max-width: 480px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .social-links {
    justify-content: center;
  }
}
/* Container Adjustments */
@media (max-width: 1200px) {
  :root {
    --container-max-width: 960px;
  }
}
@media (max-width: 768px) {
  :root {
    --container-padding: var(--spacing-md);
    --spacing-3xl: var(--spacing-2xl);
  }
}
@media (max-width: 480px) {
  :root {
    --container-padding: var(--spacing-sm);
    --font-size-5xl: var(--font-size-3xl);
    --font-size-4xl: var(--font-size-2xl);
    --font-size-3xl: var(--font-size-xl);
  }
}
/* Utility Classes for Mobile */
@media (max-width: 768px) {
  .mobile-hidden {
    display: none !important;
  }
  .mobile-full-width {
    width: 100% !important;
  }
  .mobile-text-center {
    text-align: center !important;
  }
  .mobile-no-padding {
    padding: 0 !important;
  }
  .mobile-small-gap {
    gap: var(--spacing-sm) !important;
  }
}
/* Touch Optimization */
@media (hover: none) and (pointer: coarse) {
  .project-overlay {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .model-controls,
  .zoom-controls {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.8);
  }
  .control-btn,
  .zoom-btn {
    min-width: 44px;
    min-height: 44px;
  }
}
/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .project-image,
  .gallery-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}
/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .project-navigation,
  .scroll-to-top,
  .model-controls,
  .zoom-controls,
  .projects-filters {
    display: none !important;
  }
  #main-content {
    margin-top: 0;
  }
  .project-content,
  .projects-page {
    padding: 0;
  }
  .model-viewer,
  .gallery-video {
    display: none;
  }
  .project-section,
  .project-card {
    border: 1px solid #000;
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
  }
  body {
    background: white;
    color: black;
  }
}

/*# sourceMappingURL=main.css.map */