/*===============================================
  MODERN PORTFOLIO CSS - MAHEER
  A professional, responsive portfolio with
  modern design principles and smooth animations
===============================================*/

/*===============================================
  CSS CUSTOM PROPERTIES (CSS VARIABLES)
===============================================*/
:root {
  /* Primary Color Palette */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: var(--primary-500);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes (Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.3vw, 0.95rem);
  --text-base: clamp(1rem, 0.95rem + 0.4vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 2rem + 1.2vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2vw, 4rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;

  /* Container Sizes */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* Dark Mode Colors */
  --dark-bg-primary: #0f0f23;
  --dark-bg-secondary: #1a1a2e;
  --dark-bg-tertiary: #16213e;
  --dark-text-primary: #ffffff;
  --dark-text-secondary: #a8b2d1;
  --dark-text-muted: #64748b;
}

/*===============================================
  DARK MODE PROPERTIES
===============================================*/
.darkmode {
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --text-muted: var(--dark-text-muted);
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --border-color: var(--gray-700);
  --shadow-color: rgba(0, 0, 0, 0.3);
}

/*===============================================
  LIGHT MODE PROPERTIES (DEFAULT)
===============================================*/
.lightmode {
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  --border-color: var(--gray-200);
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/*===============================================
  MODERN RESET & BASE STYLES
===============================================*/
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container System */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Section Spacing */
section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

section:first-of-type {
  padding-top: var(--space-32);
}

/*===============================================
  MODERN NAVIGATION
===============================================*/
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.darkmode header {
  background: rgba(15, 15, 35, 0.9);
}

.navbar {
  padding: var(--space-4) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.nav-brand .logo {
  font-family: var(--font-secondary);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-brand .logo:hover {
  color: var(--accent-secondary);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu a:hover {
  color: var(--accent-primary);
  background-color: var(--bg-tertiary);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-menu a:hover::after {
  width: 80%;
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--accent-primary);
  color: var(--white);
  transform: scale(1.05);
}

.theme-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2rem;
  height: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background-color: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/*===============================================
  HERO SECTION
===============================================*/
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero-section::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% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-wrapper {
  position: relative;
  width: 400px;
  height: 400px;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--accent-primary);
  box-shadow: var(--shadow-2xl);
  transition: all var(--transition-slow);
  position: relative;
  z-index: 2;
}

.profile-image:hover {
  transform: scale(1.05);
  border-color: var(--accent-secondary);
}

.image-backdrop {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  z-index: 1;
  opacity: 0.2;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.2;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.3;
  }
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.greeting {
  font-size: var(--text-lg);
  color: var(--accent-primary);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-secondary);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.name-highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-decoration {
  color: var(--accent-secondary);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

.hero-subtitle {
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
  font-size: var(--text-lg);
}

.social-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}

.scroll-down {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  text-decoration: none;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-5px);
  }
  60% {
    transform: translateX(-50%) translateY(-3px);
  }
}

/*===============================================
  MODERN BUTTONS
===============================================*/
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--accent-primary);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--accent-primary);
  color: var(--white);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/*===============================================
  SECTION HEADERS
===============================================*/
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-secondary);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/*===============================================
  ABOUT SECTION
===============================================*/
.about-section {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 2fr 4fr;
  gap: var(--space-20);
  align-items: start;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about-image-container {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.about-image {
  width: 100%;     /* shrink image width */
  height: auto;   /* keep aspect ratio */
  display: block;
  margin: 0 auto; /* center inside the card */
  border-radius: 12px;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

  

.about-image-container:hover .about-image {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.8) 0%,
    rgba(139, 92, 246, 0.8) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about-image-container:hover .image-overlay {
  opacity: 1;
}

.overlay-content {
  text-align: center;
  color: var(--white);
}

.experience-badge {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.stats-grid {
  grid-row: 2/3;
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.about-content {
  grid-row: 1/2;
  grid-column: 2/3;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about-subtitle {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.about-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.expandable-content {
  margin-bottom: var(--space-8);
}

.expanded-text {
  overflow: hidden;
  transition: max-height var(--transition-slow), opacity var(--transition-slow);
}

.expanded-text.collapsed {
  max-height: 0;
  opacity: 0;
}

.expanded-text.expanded {
  max-height: 500px;
  opacity: 1;
}

.expanded-text p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  line-height: 1.8;
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  color: var(--accent-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-4);
}

.read-more-btn:hover {
  color: var(--accent-secondary);
  transform: translateX(4px);
}

.btn-icon {
  transition: transform var(--transition-fast);
}

.read-more-btn:hover .btn-icon {
  transform: translateY(2px);
}

.credentials-section {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.credential-card {
  display: flex;
  gap: var(--space-10);
  padding: var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  align-items: center;
  justify-content: center;

}

.credential-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  flex-shrink: 0;
  width: 7rem;
  height: 7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  color: var(--white);
  border-radius: var(--radius-lg);
  font-size: var(--text-4xl);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.credential-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.credential-list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--space-4);
}

.credential-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 600;
}

/*===============================================
  SKILLS SECTION - MODERN DESIGN
===============================================*/
.skills-section {
  background: var(--bg-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.skill-category {
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-8px);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.category-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  color: var(--white);
  border-radius: var(--radius-xl);
  font-size: var(--text-xl);
}

.category-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.skill-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.skill-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.skill-icon {
  font-size: var(--text-xl);
  color: var(--accent-primary);
}

.skill-name {
  font-weight: 500;
  color: var(--text-primary);
}

.skill-level {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 120px;
}

.level-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
  min-width: 80px;
  text-align: right;
}

.level-bar {
  width: 60px;
  height: 6px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.level-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  width: 0;
  animation: fillProgress 1s ease-out forwards;
  animation-delay: 0.5s;
}

@keyframes fillProgress {
  to {
    width: var(--progress-width, 0%);
  }
}

/* Dynamic progress widths - will be set via JavaScript */
.level-progress[data-level="95"] { --progress-width: 95%; }
.level-progress[data-level="90"] { --progress-width: 90%; }
.level-progress[data-level="85"] { --progress-width: 85%; }
.level-progress[data-level="80"] { --progress-width: 80%; }
.level-progress[data-level="75"] { --progress-width: 75%; }
.level-progress[data-level="72"] { --progress-width: 72%; }
.level-progress[data-level="70"] { --progress-width: 70%; }
.level-progress[data-level="68"] { --progress-width: 68%; }
.level-progress[data-level="65"] { --progress-width: 65%; }
.level-progress[data-level="60"] { --progress-width: 60%; }
.level-progress[data-level="92"] { --progress-width: 92%; }

/*===============================================
  PROJECTS SECTION - MODERN GRID
===============================================*/
/* ================================
   PROJECTS SECTION
================================ */
.projects-section {
  background: var(--bg-secondary);
}

/* ================================
   FILTER BUTTONS
================================ */
.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-primary);
  color: var(--white);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

/* ================================
   PROJECTS GRID
================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

/* ================================
   PROJECT CARD
================================ */
.project-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp var(--transition-slow) ease-out forwards;
}

/* Staggered animation delays for cards */
.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }
.project-card:nth-child(4) { animation-delay: 0.3s; }
.project-card:nth-child(5) { animation-delay: 0.4s; }

/* Hover effect */
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

/* ================================
   IMAGE + OVERLAY
================================ */
.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.9) 0%,
    rgba(139, 92, 246, 0.9) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* ================================
   TECH STACK TAGS
================================ */
.project-tech {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.tech-tag {
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ================================
   CARD CONTENT
================================ */
.project-content {
  padding: var(--space-8);
}

.project-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.project-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.project-actions {
  display: flex;
  gap: var(--space-3);
}

/* ================================
   ANIMATIONS
================================ */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/*===============================================
  CONTACT SECTION - MODERN FORM
===============================================*/
.contact-section {
  background: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-form-wrapper {
  background: var(--bg-secondary);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  background: var(--accent-gradient);
  color: var(--white);
  border: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.submit-btn:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.form-status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
  opacity: 1;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid var(--error);
  opacity: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  color: var(--white);
  border-radius: var(--radius-lg);
  font-size: var(--text-lg);
}

.contact-details h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.contact-details p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-details a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-details a:hover {
  color: var(--accent-primary);
}

.contact-socials h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

/*===============================================
  FOOTER
===============================================*/
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--space-8) 0;
  text-align: center;
}

.footer-content p {
  color: var(--gray-400);
  font-size: var(--text-sm);
}

/*===============================================
  UTILITY CLASSES
===============================================*/
.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;
}

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

.hidden {
  display: none;
}

/* .visible {
  display: block;
} */

/*===============================================
  ANIMATIONS
===============================================*/
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/*===============================================
  DARK MODE SPECIFIC OVERRIDES
===============================================*/
.darkmode .nav-menu a:hover {
  background-color: rgba(99, 102, 241, 0.1);
}

.darkmode .social-link:hover {
  background-color: rgba(99, 102, 241, 0.1);
}

.darkmode .level-bar {
  background: var(--gray-700);
}

.darkmode .filter-btn {
  border-color: var(--gray-600);
}

.darkmode .footer {
  background: var(--dark-bg-primary);
}