/* ============================================
   Professional IT Portfolio - Gold Theme v2
   Enhanced Design Quality
   ============================================ */

/* ============================================
   Local Font Declarations
   ============================================ */

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/forleter/PlusJakartaSans-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/forleter/PlusJakartaSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/forleter/PlusJakartaSans-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/forleter/PlusJakartaSans-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/forleter/PlusJakartaSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/forleter/JetBrainsMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/forleter/JetBrainsMono-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   Terminal Loading Screen
   ============================================ */

#loading-screen {
  position: fixed;
  inset: 0;
  background: #080a0e;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  z-index: 10000;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading-screen.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.terminal-window {
  width: 90%;
  max-width: 650px;
  background: #0c0e14;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 30px 90px rgba(0, 0, 0, 0.7);
  animation: terminalAppear 0.4s ease;
}

@keyframes terminalAppear {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.terminal-header {
  background: #1a1d24;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-icon {
  color: #bea374;
  font-size: 0.85rem;
}

.terminal-title {
  flex: 1;
  color: #9ca8b8;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
}

.terminal-controls {
  display: flex;
  gap: 12px;
}

.term-ctrl {
  color: #5a6a7a;
  font-size: 0.9rem;
  cursor: pointer;
  transition: color 0.2s;
  font-family: Arial, sans-serif;
}

.term-ctrl:hover {
  color: #9ca8b8;
}

.term-ctrl:last-child:hover {
  color: #e74c3c;
}

.terminal-body {
  padding: 20px 22px 26px;
  min-height: 300px;
  position: relative;
  background: linear-gradient(180deg, #0c0e14 0%, #0a0c10 100%);
}

#terminal-text {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.65;
  color: #9ca8b8;
  white-space: pre-wrap;
  word-break: break-word;
}

.term-success {
  color: #2ecc71 !important;
}

.term-info {
  color: #bea374 !important;
}

.term-progress {
  color: #3498db !important;
}

.cursor {
  color: #bea374;
  animation: cursorBlink 0.8s step-start infinite;
  font-weight: normal;
}

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

.progress-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.05);
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #bea374, #d4c4a0);
  transition: width 0.1s ease;
  box-shadow: 0 0 12px rgba(190, 163, 116, 0.6);
}

.skip-hint {
  color: #4a5568;
  font-size: 0.75rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  animation: fadeIn 1s ease 2s forwards;
  opacity: 0;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* Hide main content until loaded */
body:not(.loaded) .background-animation,
body:not(.loaded) .main-header,
body:not(.loaded) main,
body:not(.loaded) footer {
  opacity: 0;
}

body.loaded .background-animation,
body.loaded .main-header,
body.loaded main,
body.loaded footer {
  animation: contentFadeIn 0.8s ease forwards;
}

@keyframes contentFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   End Terminal Loading Screen
   ============================================ */

:root {
  --bg-primary: #0c0f13;
  --bg-secondary: #14181e;
  --bg-card: #1a1f27;
  --bg-elevated: #242b35;
  
  --text-primary: #f0f4f8;
  --text-secondary: #a0aec0;
  --text-muted: #5a6a7a;
  
  --accent: #bea374;
  --accent-light: #d4c4a0;
  --accent-dark: #9a8260;
  --accent-soft: rgba(190, 163, 116, 0.12);
  --accent-glow: rgba(190, 163, 116, 0.4);
  
  --border: rgba(255, 255, 255, 0.05);
  --border-accent: rgba(190, 163, 116, 0.25);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 4px 25px rgba(190, 163, 116, 0.2);
  --shadow-glow: 0 0 40px rgba(190, 163, 116, 0.15);
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: all 0.4s var(--ease-out);
  --transition-fast: all 0.2s var(--ease-out);
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg-primary); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { 
  background: transparent; 
  border-radius: 4px; 
  transition: background 0.3s ease;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Show scrollbar on hover/scroll */
body:hover::-webkit-scrollbar-thumb,
html.is-scrolling::-webkit-scrollbar-thumb { 
  background: var(--accent-dark); 
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

body:hover, html.is-scrolling {
  scrollbar-color: var(--accent-dark) transparent;
}

.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.5;
}

#canvas { width: 100%; height: 100%; display: block; }

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(190, 163, 116, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(190, 163, 116, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 0;
}

/* Header */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  background: rgba(12, 15, 19, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.main-header.scrolled {
  padding: 0.6rem var(--space-lg);
  background: rgba(12, 15, 19, 0.95);
  box-shadow: var(--shadow-md);
}

.logo { 
  position: absolute;
  left: var(--space-lg);
  display: flex; 
  align-items: center; 
  gap: var(--space-xs); 
}

.initial {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--bg-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  transition: var(--transition);
  box-shadow: var(--shadow-accent);
}

.initial:hover {
  transform: rotate(-8deg) scale(1.08);
  box-shadow: var(--shadow-glow);
}

.main-nav ul { display: flex; list-style: none; gap: 0.25rem; justify-content: center; }

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition-fast);
}

.main-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: scale(0.9);
  transition: var(--transition-fast);
}

.main-nav a:hover::before { opacity: 1; transform: scale(1); }
.main-nav a:hover { color: var(--text-primary); }
.main-nav a.active { color: var(--accent); }
.main-nav a span { position: relative; z-index: 1; }

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-toggle:hover { background: var(--accent-soft); }

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--space-xl)) var(--space-lg) var(--space-xl);
}

.hero-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text { animation: heroFadeIn 1s var(--ease-out); }

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  animation: heroFadeIn 1s var(--ease-out) 0.1s backwards;
}

.hero-badge i { font-size: 0.75rem; }

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.03em;
}

.highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer { to { background-position: 200% center; } }

.subtitle {
  display: block;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: var(--space-md) 0;
  line-height: 1.85;
  max-width: 500px;
  animation: heroFadeIn 1s var(--ease-out) 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  animation: heroFadeIn 1s var(--ease-out) 0.3s backwards;
}

.btn-primary, .btn-secondary {
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--bg-primary);
  box-shadow: var(--shadow-accent);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  opacity: 0;
  transition: var(--transition);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary span, .btn-primary i { position: relative; z-index: 1; }

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(190, 163, 116, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* Code Display */
.hero-visual { animation: heroFadeIn 1s var(--ease-out) 0.4s backwards; }

.code-display {
  background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.code-display::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
  background-size: 200% auto;
  animation: shimmer 2s linear infinite;
}

.code-display::after {
  content: '● ● ●';
  position: absolute;
  top: 14px;
  left: 18px;
  font-size: 10px;
  letter-spacing: 6px;
  color: var(--text-muted);
  opacity: 0.4;
}

.code-wrapper { margin-top: 1.8rem; }

.code-line {
  margin: 0.4rem 0;
  opacity: 0;
  animation: typeLine 0.4s var(--ease-out) forwards;
}

.code-line:nth-child(1) { animation-delay: 0.6s; }
.code-line:nth-child(2) { animation-delay: 0.75s; }
.code-line:nth-child(3) { animation-delay: 0.9s; }
.code-line:nth-child(4) { animation-delay: 1.05s; }
.code-line:nth-child(5) { animation-delay: 1.2s; }
.code-line:nth-child(6) { animation-delay: 1.35s; }
.code-line:nth-child(7) { animation-delay: 1.5s; }
.code-line:nth-child(8) { animation-delay: 1.65s; }

@keyframes typeLine {
  from { opacity: 0; transform: translateX(-15px); }
  to { opacity: 1; transform: translateX(0); }
}

.keyword { color: #f472b6; }
.variable { color: var(--accent); }
.string { color: #86efac; }
.indent { padding-left: 1.5rem; }

/* Sections */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); }

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  letter-spacing: -0.02em;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 2px;
}

/* About */
.about-section {
  padding: var(--space-2xl) 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.subpage .about-section { padding-top: calc(80px + var(--space-xl)); }

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  align-items: start;
}

.about-text p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  line-height: 1.85;
  font-size: 1.05rem;
}

.about-text p:first-child::first-letter {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  float: left;
  line-height: 1;
  margin-right: 0.75rem;
  margin-top: 0.1rem;
}

/* CV Download Button */
.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-md);
  padding: 0.9rem 1.8rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--bg-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  box-shadow: var(--shadow-accent);
  position: relative;
  overflow: hidden;
}

.btn-cv::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  opacity: 0;
  transition: var(--transition);
}

.btn-cv i, .btn-cv span {
  position: relative;
  z-index: 1;
}

.btn-cv:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(190, 163, 116, 0.35);
}

.btn-cv:hover::before {
  opacity: 1;
}

.about-stats { display: grid; gap: var(--space-sm); }

.stat-item {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--border-accent);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.stat-item:hover::before { opacity: 1; }

.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* Skills */
.skills-section { margin-top: var(--space-xl); }

.skills-section h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.skill-category {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.skill-category:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.skill-category h4 {
  color: var(--accent);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-category h4 i {
  width: 32px;
  height: 32px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.skill-tag {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
}

/* Languages */
.languages-section { margin-top: var(--space-xl); }
.languages-section h3 { font-size: 1.6rem; margin-bottom: var(--space-md); }

.languages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.language-item {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.language-item:hover { border-color: var(--border-accent); }
.language-item span { display: block; color: var(--text-primary); font-weight: 600; margin-bottom: 0.5rem; }

.language-level {
  height: 5px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.language-level-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  border-radius: 3px;
}

/* Projects */
.projects-section { padding: var(--space-2xl) 0; min-height: 100vh; }
.subpage .projects-section { padding-top: calc(80px + var(--space-xl)); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: linear-gradient(165deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, var(--accent-soft) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--border-accent);
}

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

.project-image {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-primary) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--accent-soft) 0%, transparent 50%);
}

.project-image i {
  font-size: 3.5rem;
  color: var(--accent);
  opacity: 0.25;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.project-card:hover .project-image i { opacity: 0.4; transform: scale(1.1); }

.project-content { padding: var(--space-md); position: relative; z-index: 1; }

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.project-status.ongoing {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.project-status.completed {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.project-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.project-content h3 { color: var(--text-primary); margin-bottom: 0.6rem; font-size: 1.2rem; font-weight: 600; }
.project-content p { color: var(--text-secondary); margin-bottom: var(--space-sm); font-size: 0.9rem; line-height: 1.7; }

.project-tech { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.project-tech span {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: var(--transition-fast);
}

.project-card:hover .project-tech span {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
}

/* Experience */
.experience-section { padding: var(--space-2xl) 0; min-height: 100vh; }
.subpage .experience-section { padding-top: calc(80px + var(--space-xl)); }

.timeline-section h3 { font-size: 1.6rem; margin-bottom: var(--space-lg); margin-top: var(--space-xl); }

.timeline {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--accent-dark), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
  padding-left: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 5px;
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg-primary), var(--shadow-accent);
  transition: var(--transition);
}

.timeline-item:hover::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg-primary), var(--shadow-glow);
}

.timeline-date {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.timeline-content {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.timeline-content:hover { border-color: var(--border-accent); box-shadow: var(--shadow-md); }
.timeline-content h4 { color: var(--text-primary); margin-bottom: 0.3rem; font-size: 1.15rem; }
.timeline-content p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.3rem; }
.timeline-content p strong { color: var(--text-primary); }

.timeline-content ul { list-style: none; margin-top: 0.75rem; display: grid; gap: 0.3rem; }

.timeline-content ul li {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding-left: 1.25rem;
  position: relative;
}

.timeline-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

/* Contact */
.contact-section { padding: var(--space-2xl) 0; min-height: 100vh; }
.subpage .contact-section { padding-top: calc(80px + var(--space-xl)); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-xl);
}

.contact-info h2 { font-size: 2.2rem; margin-bottom: var(--space-sm); letter-spacing: -0.02em; }
.contact-info > p { color: var(--text-secondary); margin-bottom: var(--space-lg); line-height: 1.85; font-size: 1.05rem; }

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

.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--border-accent);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.contact-item i {
  font-size: 1.1rem;
  color: var(--accent);
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-item:hover i { background: var(--accent); color: var(--bg-primary); }
.contact-item h3 { color: var(--text-primary); margin-bottom: 0.15rem; font-size: 0.95rem; }
.contact-item p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-item a { color: var(--accent); text-decoration: none; transition: var(--transition-fast); }
.contact-item a:hover { color: var(--accent-light); }

/* Clickable contact link buttons */
a.contact-link {
  text-decoration: none;
  cursor: pointer;
}

a.contact-link h3 {
  color: var(--text-primary);
  transition: var(--transition-fast);
}

a.contact-link p {
  color: var(--accent);
  transition: var(--transition-fast);
}

a.contact-link:hover h3 {
  color: var(--accent);
}

a.contact-link:hover p {
  color: var(--accent-light);
}

.availability-card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  padding: var(--space-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.availability-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
}

.availability-card h3 { color: var(--text-primary); margin-bottom: var(--space-sm); font-size: 1.25rem; position: relative; }
.availability-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 0.5rem; position: relative; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: var(--space-md);
  border: 1px solid rgba(34, 197, 94, 0.2);
  position: relative;
}

.status-badge::before {
  content: '';
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* Footer */
.main-footer {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p { color: var(--text-muted); font-size: 0.9rem; }
.footer-content i.fa-heart { color: #f472b6; animation: heartbeat 1.5s infinite; }

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.social-links { display: flex; gap: 0.6rem; }

.social-links a {
  color: var(--text-muted);
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.social-links a:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 1100px) {
  .logo { position: static; }
  .main-header { justify-content: space-between; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; gap: var(--space-xl); }
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; flex-wrap: wrap; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .about-text p:first-child::first-letter { float: none; font-size: inherit; margin: 0; }
}

@media (max-width: 768px) {
  :root { --space-lg: 1.5rem; --space-xl: 2.5rem; --space-2xl: 3.5rem; }
  
  .main-header { 
    padding: var(--space-sm); 
    justify-content: space-between;
  }
  
  .logo { position: static; }
  
  /* Simple dropdown nav */
  .main-nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 10px);
    left: 10px;
    right: 10px;
    background: #0c0f13;
    border-radius: 15px;
    padding: 1rem;
    gap: 0.5rem;
    border: 1px solid rgba(190, 163, 116, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }
  
  .main-nav ul.active {
    display: flex;
  }
  
  .main-nav li {
    width: 100%;
    text-align: center;
  }
  
  .main-nav a {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
  }
  
  .main-nav a::before {
    display: none;
  }
  
  .main-nav a:hover,
  .main-nav a.active {
    background: rgba(190, 163, 116, 0.15);
    color: var(--accent);
    border: 1px solid rgba(190, 163, 116, 0.4);
    box-shadow: 0 0 15px rgba(190, 163, 116, 0.2);
    transform: translateX(5px);
  }
  
  /* Hamburger button */
  .nav-toggle { 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: var(--accent-soft);
    border-radius: 10px;
    cursor: pointer;
  }
  
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-section { padding: calc(80px + var(--space-lg)) var(--space-sm) var(--space-lg); }
  .hero-title { font-size: 2rem; }
  .hero-description { font-size: 1rem; }
  .subtitle { font-size: 1rem; }
  
  .section-title { font-size: 1.8rem; }
  
  .projects-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; gap: var(--space-sm); }
  .languages-grid { grid-template-columns: 1fr; }
  
  .footer-content { flex-direction: column; gap: var(--space-sm); text-align: center; }
  
  .timeline { padding-left: 30px; }
  .timeline-item { padding-left: var(--space-sm); }
  .timeline-item::before { left: -30px; width: 14px; height: 14px; }
  
  .contact-info h2 { font-size: 1.6rem; }
  .contact-grid { gap: var(--space-md); }
  
  .stat-number { font-size: 2.2rem; }
  
  .code-display { font-size: 0.75rem; padding: var(--space-sm); }
  
  .container { padding: 0 var(--space-sm); }
}

@media (max-width: 480px) {
  :root { --space-lg: 1rem; --space-xl: 2rem; --space-2xl: 3rem; }
  
  .hero-section { padding: calc(70px + var(--space-md)) var(--space-xs) var(--space-md); }
  .hero-title { font-size: 1.7rem; }
  .subtitle { font-size: 0.9rem; }
  .hero-description { font-size: 0.95rem; }
  
  .hero-buttons { flex-direction: column; width: 100%; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; padding: 0.9rem 1.5rem; }
  .btn-cv { width: 100%; justify-content: center; }
  
  .code-display { font-size: 0.65rem; padding: var(--space-xs); }
  .code-display::after { display: none; }
  .code-wrapper { margin-top: 0.5rem; }
  
  .section-title { font-size: 1.5rem; margin-bottom: var(--space-md); }
  .section-title::after { width: 50px; }
  
  .skill-category { padding: var(--space-sm); }
  .skill-tags { gap: 0.3rem; }
  .skill-tag { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
  
  .project-card { border-radius: var(--radius-lg); }
  .project-image { height: 140px; }
  .project-content { padding: var(--space-sm); }
  .project-content h3 { font-size: 1.1rem; }
  .project-content p { font-size: 0.85rem; }
  
  .timeline-content { padding: var(--space-sm); }
  .timeline-content h4 { font-size: 1rem; }
  .timeline-content ul li { font-size: 0.8rem; }
  
  .contact-item { padding: var(--space-sm); }
  .contact-item i { width: 38px; height: 38px; font-size: 1rem; }
  .contact-item h3 { font-size: 0.9rem; }
  .contact-item p { font-size: 0.85rem; }
  
  .availability-card { padding: var(--space-md); }
  .availability-card h3 { font-size: 1.1rem; }
  .availability-card p { font-size: 0.9rem; }
  
  .stat-item { padding: var(--space-sm); }
  .stat-number { font-size: 1.8rem; }
  .stat-label { font-size: 0.75rem; }
  
  .initial { width: 38px; height: 38px; font-size: 1.1rem; }
  
  .terminal-window { width: 95%; }
  .terminal-body { padding: 15px 12px 20px; min-height: 250px; }
  #terminal-text { font-size: 0.75rem; line-height: 1.5; }
  
  .social-links a { width: 36px; height: 36px; font-size: 1rem; }
}

@media (max-width: 360px) {
  .hero-title { font-size: 1.5rem; }
  .code-display { display: none; }
  .main-nav a { padding: var(--space-xs) var(--space-sm); font-size: 0.85rem; }
}