/* ===== Root Variables ===== */
:root {
  /* Colors - Modern Light Theme */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #e0e7ff;
  --secondary: #ec4899;
  --accent: #8b5cf6;
  --accent-light: #ede9fe;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ===== Dark Mode Theme ===== */
body.dark-mode {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;
  --border-color: #475569;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* ===== Global Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Remove default focus outline */
*:focus {
  outline: none;
}

/* Keep focus visible for keyboard navigation on interactive elements (except nav links) */
*:focus-visible:not(.nav-link):not(.nav-item):not(.nav-logo):not(.nav-logo-icon):not(.nav-logo-text) {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Remove all outlines from navigation elements */
.nav-link:focus,
.nav-link:focus-visible,
.nav-link:active,
.nav-item:focus,
.nav-item:focus-visible,
.nav-item:active,
.nav-logo:focus,
.nav-logo:focus-visible,
.nav-logo:active {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

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

a:focus {
  outline: none;
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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


/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  z-index: 999;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

body.dark-mode .navbar {
  background-color: rgba(15, 23, 42, 0.95);
  border-bottom-color: var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: transform var(--transition-base);
  outline: none;
}

.nav-logo:focus,
.nav-logo:focus-visible,
.nav-logo:active {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
}

.nav-logo:hover {
  transform: translateY(-2px);
}

.nav-logo-icon {
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  outline: none;
}

.nav-logo-text {
  outline: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-2xl);
  align-items: center;
}

.nav-item {
  outline: none;
}

.nav-item:focus,
.nav-item:active {
  outline: none;
  box-shadow: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition-base);
  position: relative;
  outline: none;
}

.nav-link:focus,
.nav-link:focus-visible,
.nav-link:active {
  outline: none;
  box-shadow: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  outline: none;
}

.btn:focus {
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* ===== Hero Section ===== */
.hero {
  padding-top: 100px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.social-links {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 1.2rem;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  outline: none;
}

.social-link:focus {
  outline: none;
}

.social-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

/* Hero Visual Elements */
.hero-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Minecraft-inspired Block */
.floating-cube {
  position: absolute;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #8B4513 0%, #654321 100%);
  border: 3px solid #3e2723;
  animation: float 6s ease-in-out infinite, rotateBlock 20s linear infinite;
  top: 15%;
  left: 8%;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.3),
    inset 0 0 20px rgba(255, 255, 255, 0.1);
}

.floating-cube::before {
  content: '';
  position: absolute;
  inset: 8px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 8px,
    rgba(0, 0, 0, 0.1) 8px,
    rgba(0, 0, 0, 0.1) 10px
  );
}

.floating-cube::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 8px,
    rgba(0, 0, 0, 0.1) 8px,
    rgba(0, 0, 0, 0.1) 10px
  );
}

/* Mario-style Coin */
.floating-sphere {
  position: absolute;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  border-radius: var(--radius-full);
  border: 4px solid #DAA520;
  animation: float 8s ease-in-out infinite reverse, spin 3s linear infinite;
  bottom: 25%;
  right: 12%;
  box-shadow: 
    0 15px 35px rgba(255, 215, 0, 0.4),
    inset 0 -5px 10px rgba(0, 0, 0, 0.2),
    inset 0 5px 10px rgba(255, 255, 255, 0.3);
}

.floating-sphere::before {
  content: '★';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 30px;
  color: #DAA520;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Pac-Man inspired element */
.game-character {
  position: absolute;
  width: 90px;
  height: 90px;
  background: #FFFF00;
  border-radius: 50%;
  top: 50%;
  left: 5%;
  animation: float 7s ease-in-out infinite, munch 0.5s infinite;
  box-shadow: 0 10px 30px rgba(255, 255, 0, 0.4);
  clip-path: polygon(100% 50%, 50% 0%, 0% 0%, 0% 100%, 50% 100%);
}

.game-character::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: #000;
  border-radius: 50%;
  top: 20%;
  right: 30%;
}

/* Tetris Block */
.tetris-block {
  position: absolute;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #00CED1 0%, #1E90FF 100%);
  border: 3px solid #0080A0;
  top: 60%;
  left: 25%;
  animation: float 9s ease-in-out infinite, rotateTetris 15s linear infinite;
  box-shadow: 0 10px 25px rgba(0, 206, 209, 0.3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 3px;
  padding: 3px;
}

.tetris-block::before {
  content: '';
  background: rgba(255, 255, 255, 0.2);
  grid-column: 1;
  grid-row: 1;
}

.tetris-block::after {
  content: '';
  background: rgba(255, 255, 255, 0.2);
  grid-column: 2;
  grid-row: 2;
}

/* Power-up Mushroom */
.power-up {
  position: absolute;
  width: 60px;
  height: 70px;
  background: linear-gradient(135deg, #FF4444 0%, #CC0000 100%);
  border-radius: 50% 50% 0 0;
  bottom: 15%;
  left: 35%;
  animation: float 5s ease-in-out infinite, bounce 2s ease-in-out infinite;
  box-shadow: 0 10px 25px rgba(255, 68, 68, 0.4);
  border: 3px solid #990000;
}

.power-up::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  top: 20%;
  left: 20%;
  box-shadow: 
    15px -5px 0 white,
    7px 10px 0 white;
}

.power-up::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 25px;
  background: #FFE0BD;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 0 0 15px 15px;
}

/* Unity Logo inspired element */
.unity-cube {
  position: absolute;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #222222 0%, #000000 100%);
  top: 35%;
  right: 8%;
  animation: float 10s ease-in-out infinite, rotateUnity 25s linear infinite;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  border: 2px solid #888;
}

.unity-cube::before {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background: white;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  opacity: 0.9;
}

/* Heart Container (Zelda-inspired) */
.heart-container {
  position: absolute;
  width: 60px;
  height: 60px;
  bottom: 45%;
  right: 25%;
  animation: float 6s ease-in-out infinite, pulse 2s ease-in-out infinite;
}

.heart-container::before,
.heart-container::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 50px;
  background: linear-gradient(135deg, #FF1744 0%, #C2185B 100%);
  border-radius: 30px 30px 0 0;
  box-shadow: 0 10px 25px rgba(255, 23, 68, 0.4);
}

.heart-container::before {
  left: 0;
  transform: rotate(-45deg);
  transform-origin: 100% 100%;
}

.heart-container::after {
  right: 0;
  transform: rotate(45deg);
  transform-origin: 0% 100%;
}

.grid-background {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(0deg, transparent 24%, rgba(99, 102, 241, 0.05) 25%, rgba(99, 102, 241, 0.05) 26%, transparent 27%, transparent 74%, rgba(99, 102, 241, 0.05) 75%, rgba(99, 102, 241, 0.05) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(99, 102, 241, 0.05) 25%, rgba(99, 102, 241, 0.05) 26%, transparent 27%, transparent 74%, rgba(99, 102, 241, 0.05) 75%, rgba(99, 102, 241, 0.05) 76%, transparent 77%, transparent);
  background-size: 50px 50px;
  border-radius: var(--radius-lg);
  opacity: 0.6;
}

/* Game-themed animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-30px);
  }
}

@keyframes rotateBlock {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    transform: rotateY(0deg);
  }
  100% {
    transform: rotateY(360deg);
  }
}

@keyframes munch {
  0%, 100% {
    clip-path: polygon(100% 50%, 50% 0%, 0% 0%, 0% 100%, 50% 100%);
  }
  50% {
    clip-path: polygon(100% 50%, 50% 30%, 0% 0%, 0% 100%, 50% 70%);
  }
}

@keyframes rotateTetris {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@keyframes rotateUnity {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

/* Dark mode adjustments for game elements */
body.dark-mode .floating-cube {
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.6),
    inset 0 0 20px rgba(255, 255, 255, 0.15),
    0 0 20px rgba(139, 69, 19, 0.3);
}

body.dark-mode .floating-sphere {
  box-shadow: 
    0 15px 35px rgba(255, 215, 0, 0.6),
    inset 0 -5px 10px rgba(0, 0, 0, 0.3),
    inset 0 5px 10px rgba(255, 255, 255, 0.4),
    0 0 30px rgba(255, 215, 0, 0.3);
}

body.dark-mode .game-character {
  box-shadow: 
    0 10px 30px rgba(255, 255, 0, 0.6),
    0 0 25px rgba(255, 255, 0, 0.4);
}

body.dark-mode .tetris-block {
  box-shadow: 
    0 10px 25px rgba(0, 206, 209, 0.5),
    0 0 20px rgba(0, 206, 209, 0.3);
}

body.dark-mode .power-up {
  box-shadow: 
    0 10px 25px rgba(255, 68, 68, 0.6),
    0 0 20px rgba(255, 68, 68, 0.4);
}

body.dark-mode .unity-cube {
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

body.dark-mode .heart-container::before,
body.dark-mode .heart-container::after {
  box-shadow: 
    0 10px 25px rgba(255, 23, 68, 0.6),
    0 0 20px rgba(255, 23, 68, 0.4);
}

body.dark-mode .grid-background {
  background-image: 
    linear-gradient(0deg, transparent 24%, rgba(99, 102, 241, 0.15) 25%, rgba(99, 102, 241, 0.15) 26%, transparent 27%, transparent 74%, rgba(99, 102, 241, 0.15) 75%, rgba(99, 102, 241, 0.15) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(99, 102, 241, 0.15) 25%, rgba(99, 102, 241, 0.15) 26%, transparent 27%, transparent 74%, rgba(99, 102, 241, 0.15) 75%, rgba(99, 102, 241, 0.15) 76%, transparent 77%, transparent);
  opacity: 0.8;
}

/* ===== Section Styles ===== */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-full);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-3xl);
  font-size: 1.1rem;
}

/* ===== Skills Section ===== */
.skills {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.skill-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  text-align: center;
  cursor: pointer;
}

.skill-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.skill-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  transition: transform var(--transition-base);
}

.skill-card:hover .skill-icon {
  transform: scale(1.1) rotate(5deg);
}

.skill-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.skill-card p {
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
}

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

.tag {
  background: var(--primary-light);
  color: var(--primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ===== Proficiency Section ===== */
.proficiency-section {
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  margin-top: var(--spacing-3xl);
}

.proficiency-section h3 {
  margin-bottom: var(--spacing-2xl);
  font-size: 1.5rem;
}

.proficiency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.proficiency-item {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

.proficiency-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  color: var(--text-primary);
}

.proficiency-value {
  color: var(--primary);
}

.proficiency-bar {
  background: var(--border-color);
  height: 6px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.proficiency-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius-full);
  animation: fillProgress 1.5s ease-out;
}

@keyframes fillProgress {
  from {
    width: 0 !important;
  }
}

/* ===== Projects Section ===== */
.projects {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

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

.project-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.project-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.project-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(99, 102, 241, 0.1) 50%, transparent 70%);
  animation: shimmer 3s infinite;
}

.project-placeholder {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  position: relative;
  z-index: 1;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.project-content {
  padding: var(--spacing-2xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-content h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.project-content p {
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.project-tags {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.project-tags span {
  background: var(--primary-light);
  color: var(--primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

.project-link {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: gap var(--transition-base);
}

.project-link:hover {
  gap: var(--spacing-md);
}

/* ===== About Section ===== */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

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

.about-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.about-cta {
  margin-top: var(--spacing-2xl);
  text-align: center;
}

/* ===== Contact Section ===== */
.contact {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
}

.contact .section-title {
  color: white;
}

.contact .section-title::after {
  background: rgba(255, 255, 255, 0.5);
}

.contact .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.contact-content {
  max-width: 900px;
  margin: 0 auto;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.contact-item {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.contact-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.contact-item h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.contact-item p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.contact-item a {
  color: white;
  font-weight: 600;
}

.social-links-contact {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.social-links-contact a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: white;
  font-size: 1rem;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.social-links-contact a:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .footer {
  background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  font-size: 0.95rem;
}

.heart {
  color: #ec4899;
  display: inline-block;
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero {
    padding-top: 100px;
    padding-bottom: 60px;
    min-height: auto;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-visual {
    height: 300px;
    display: none;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .nav-menu {
    gap: var(--spacing-lg);
  }

  .hamburger {
    display: flex;
  }

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

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

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

  .contact-info {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav-container {
    padding: 0 var(--spacing-md);
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .social-links {
    gap: var(--spacing-md);
  }

  .social-link {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .proficiency-item {
    padding: var(--spacing-md);
  }

  .skill-card {
    padding: var(--spacing-lg);
  }
}