/* ====================================
   MODERN PORTFOLIO - STATE OF THE ART
   ====================================*/

/* CSS Reset & Base Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Custom Properties */
:root {
  /* Colors - Light Theme */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #a5b4fc;
  --color-secondary: #ec4899;
  --color-accent: #06b6d4;
  
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-light: #9ca3af;
  
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  
  --color-border: #e5e7eb;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --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;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--space-6);
  
  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --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 var(--color-shadow);
  --shadow-md: 0 4px 6px -1px var(--color-shadow);
  --shadow-lg: 0 10px 15px -3px var(--color-shadow);
  --shadow-xl: 0 20px 25px -5px var(--color-shadow);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #818cf8;
  --color-primary-dark: #6366f1;
  --color-primary-light: #c7d2fe;
  
  --color-text-primary: #f9fafb;
  --color-text-secondary: #d1d5db;
  --color-text-light: #9ca3af;
  
  --color-bg-primary: #111827;
  --color-bg-secondary: #1f2937;
  --color-bg-tertiary: #374151;
  
  --color-border: #374151;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Loading Screen */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
  color: white;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s ease-in-out infinite;
  margin: 0 auto var(--space-4);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

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

/* Component Padding - All Around */
/* Sections */
section {
  padding: var(--space-12) 0;
}

.hero {
  padding: var(--space-16) 0;
  min-height: 100vh;
}

.about {
  padding: var(--space-12) 0;
}

.portfolio {
  padding: var(--space-12) 0;
}

/* Content Areas */
.hero-container,
.about-content,
.portfolio-content {
  padding: 0 var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

/* Cards and Components */
.portfolio-item {
  padding: var(--space-6);
  margin: var(--space-4);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.skill-item {
  padding: var(--space-4);
  margin: var(--space-2);
  border-radius: var(--border-radius-md);
}

.stats-grid {
  padding: var(--space-6) 0;
  gap: var(--space-6);
}

.stat-item {
  padding: var(--space-6);
  text-align: center;
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.skills-categories {
  padding: var(--space-6) 0;
  gap: var(--space-8);
}

.skill-category {
  padding: var(--space-6);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.skill-category:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Navigation */
.header {
  padding: var(--space-4) 0;
}

.nav-container {
  padding: 0 var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.nav-list {
  gap: var(--space-6);
  padding: 0 var(--space-4);
}

.nav-link {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

/* Buttons */
.btn {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  margin: var(--space-2);
}

.btn-primary {
  padding: var(--space-4) var(--space-8);
}

.btn-secondary {
  padding: var(--space-4) var(--space-8);
}

/* Social Links */
.social-links {
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.social-link {
  padding: var(--space-3);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

/* Section Headers */
.section-header {
  padding: 0 var(--space-6);
  margin-bottom: var(--space-8);
  text-align: center;
}

.section-title {
  margin-bottom: var(--space-4);
  padding: 0 var(--space-2);
}

.section-subtitle {
  padding: 0 var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Components */
.hero-text {
  padding: var(--space-6);
}

.hero-actions {
  padding: var(--space-6) 0;
  gap: var(--space-4);
}

.hero-description {
  padding: var(--space-4) 0;
  margin: var(--space-6) 0;
}

/* Portfolio Filter */
.portfolio-filter {
  padding: var(--space-6) 0;
  gap: var(--space-3);
  justify-content: center;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
}

/* About Section Components */
.about-text {
  padding: var(--space-6);
}

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

.about-description p {
  margin-bottom: var(--space-4);
  padding: 0 var(--space-2);
}

.about-actions {
  padding: var(--space-6) 0;
  gap: var(--space-4);
}

.skills-section {
  padding: var(--space-6);
}

.skills-title {
  margin-bottom: var(--space-6);
  padding: 0 var(--space-2);
}

.skills-list {
  padding: var(--space-4);
  gap: var(--space-4);
}

/* Mobile Responsive Padding */
@media (max-width: 768px) {
  section {
    padding: var(--space-8) 0;
  }
  
  .hero {
    padding: var(--space-12) 0;
  }
  
  .hero-container,
  .about-content,
  .portfolio-content {
    padding: 0 var(--space-4);
  }
  
  .portfolio-item {
    padding: var(--space-4);
    margin: var(--space-2);
  }
  
  .skill-item {
    padding: var(--space-3);
    margin: var(--space-1);
  }
  
  .contact-detail,
  .contact-form {
    padding: var(--space-4);
  }
  
  .footer-wrap {
    padding: 0 var(--space-4);
    gap: var(--space-6);
  }
  
  .nav-container {
    padding: 0 var(--space-4);
  }
  
  .btn {
    padding: var(--space-3) var(--space-5);
  }
  
  .section-header {
    padding: 0 var(--space-4);
    margin-bottom: var(--space-6);
  }
}

/* Tablet Responsive Padding */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-container,
  .about-content,
  .portfolio-content {
    padding: 0 var(--space-5);
  }
  
  .footer-wrap {
    padding: 0 var(--space-5);
  }
  
  .nav-container {
    padding: 0 var(--space-5);
  }
}

/* Contact Section Mobile Responsiveness */
@media (max-width: 768px) {
  .footer-wrap {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }
  
  .contact-header {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
  }
  
  .contact-para {
    font-size: 1rem;
  }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

[data-theme="dark"] .header {
  background: rgba(17, 24, 39, 0.95);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.logo-link {
  text-decoration: none;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

.logo-link:hover {
  transform: scale(1.05);
}

.logo-dot {
  color: var(--color-secondary);
}

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

.nav-link {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-normal);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background: var(--color-text-primary);
  margin: 2px 0;
  transition: all var(--transition-fast);
}

.progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-fast);
  width: 0%;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
  padding-top: var(--space-20);
  padding-bottom: var(--space-16);
}

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

.hero-greeting {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  animation: slideInUp 0.8s ease-out;
}

.wave {
  font-size: var(--font-size-2xl);
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 50%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  40% { transform: rotate(-4deg); }
}

.hero-title {
  font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
  font-weight: 900;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
}

.title-line {
  display: block;
  animation: slideInUp 0.8s ease-out;
}

.title-line:nth-child(2) {
  animation-delay: 0.2s;
}

.title-line:nth-child(3) {
  animation-delay: 0.4s;
}

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

.hero-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  min-height: 2em;
  font-family: var(--font-family-mono);
}

.typing-text {
  display: inline;
}

.cursor {
  display: inline-block;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-10);
  animation: slideInUp 0.8s ease-out 0.6s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  animation: slideInUp 0.8s ease-out 0.8s both;
}

.social-links {
  display: flex;
  gap: var(--space-4);
  animation: slideInUp 0.8s ease-out 1s both;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.social-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  position: relative;
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-element {
  position: absolute;
  font-size: var(--font-size-3xl);
  animation: floatElement 8s ease-in-out infinite;
  opacity: 0.7;
}

.floating-element:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  top: 20%;
  right: 10%;
  animation-delay: 2s;
}

.floating-element:nth-child(3) {
  bottom: 20%;
  left: 15%;
  animation-delay: 4s;
}

.floating-element:nth-child(4) {
  bottom: 10%;
  right: 20%;
  animation-delay: 6s;
}

@keyframes floatElement {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(5deg); }
  50% { transform: translateY(-15px) rotate(-5deg); }
  75% { transform: translateY(-5px) rotate(3deg); }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-text-light);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  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: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

/* Section Styles */
section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 50px;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

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

/* Portfolio Section */
.portfolio {
  background: var(--color-bg-secondary);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  border: 2px solid var(--color-border);
  background: var(--color-bg-primary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 500;
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.portfolio-item {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.portfolio-item-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.portfolio-item:hover .portfolio-item-image {
  transform: scale(1.05);
}

.portfolio-item-content {
  padding: var(--space-6);
}

.portfolio-item-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.portfolio-item-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.portfolio-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.portfolio-item-tag {
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.portfolio-item-links {
  display: flex;
  gap: var(--space-3);
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: color var(--transition-normal);
  background: none;
  border: none;
  cursor: pointer;
}

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

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-text .section-header {
  text-align: left;
  margin-bottom: var(--space-8);
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 600;
}

.about-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.skills-section {
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.skills-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  text-align: center;
}

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

.skill-category {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.category-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.category-title i {
  color: var(--color-primary);
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-4);
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal);
}

.skill-item:hover {
  transform: translateY(-3px);
}

.skill-item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.skill-item span {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
}

/* Contact Section & Footer */
#contact {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  position: relative;
  overflow: hidden;
  padding: var(--space-12) 0;
  margin-top: var(--space-8);
}

#contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(138, 43, 226, 0.1)"/><circle cx="60" cy="70" r="1.5" fill="rgba(138, 43, 226, 0.08)"/><circle cx="80" cy="30" r="1" fill="rgba(138, 43, 226, 0.05)"/></svg>') repeat;
  animation: float 20s ease-in-out infinite;
}

.footer-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 1;
}

.contact-detail {
  padding: var(--space-6);
}

.contact-header {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.contact-para {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 500px;
}

/* Contact Form Styles */
.contact-form {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-form:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.1);
  transform: translateY(-1px);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.8;
}

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

.field-error {
  color: #ff4757;
  font-size: 0.875rem;
  margin-top: -var(--space-3);
  margin-bottom: var(--space-3);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
}

.field-error.show {
  opacity: 1;
  transform: translateY(0);
}

.form-input.error,
.form-textarea.error {
  border-color: #ff4757;
  background: rgba(255, 71, 87, 0.1);
}

.form-status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-4);
  font-weight: 500;
  display: none;
  animation: slideIn 0.3s ease;
}

.form-status.success {
  background: rgba(46, 213, 115, 0.1);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.2);
}

.form-status.error {
  background: rgba(255, 71, 87, 0.1);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.2);
}

#submit-btn {
  width: 100%;
  position: relative;
  overflow: hidden;
  padding: var(--space-4) var(--space-6);
  font-size: 1.1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  border-radius: var(--border-radius-md);
  color: white;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 25px rgba(138, 43, 226, 0.3);
}

#submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(138, 43, 226, 0.4);
}

#submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.submit-loader {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.submit-loader i {
  animation: spin 1s linear infinite;
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-normal);
}

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

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 1;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-50px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  z-index: 1;
  transition: all var(--transition-normal);
}

.modal-close:hover {
  background: var(--color-error);
  color: white;
}

.modal-body {
  padding: var(--space-8);
}

.modal-header {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  align-items: flex-start;
}

.modal-image {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  flex-shrink: 0;
}

.modal-title-section {
  flex: 1;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.modal-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-full);
  font-size: 0.875rem;
  font-weight: 500;
}

.modal-description {
  margin-bottom: var(--space-6);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

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

/* Overlay Navigation Menu */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  display: none;
  opacity: 0;
  transition: all var(--transition-normal);
}

.overlay.active {
  display: flex;
  opacity: 1;
  align-items: center;
  justify-content: center;
}

.overlay nav {
  text-align: center;
  position: relative;
}

.close-icon {
  position: absolute;
  top: -60px;
  right: -20px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  filter: invert(1);
  transition: transform var(--transition-normal);
}

.close-icon:hover {
  transform: scale(1.1) rotate(90deg);
}

.overlay ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.overlay li {
  margin: var(--space-6) 0;
}

.overlay-link {
  color: white;
  text-decoration: none;
  font-size: 2rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  position: relative;
  display: inline-block;
  padding: var(--space-4) var(--space-6);
}

.overlay-link:hover {
  color: var(--color-primary);
  transform: translateY(-5px);
}

.overlay-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.overlay-link:hover::after {
  width: 80%;
}

.header-typo {
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* Animation Classes */
.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.portfolio-item {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Portfolio Item Link Styles */
.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

.portfolio-link:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.portfolio-link.view-details {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.portfolio-link.view-details:hover {
  background: var(--color-primary);
  color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --container-padding: var(--space-4);
  }
  
  .nav-list {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-primary);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    opacity: 0;
    transform: translateY(-100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .nav-list.mobile-open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
  }
  
  .nav-list.mobile-open .nav-item {
    margin: var(--space-4) 0;
    transform: translateY(20px);
    opacity: 0;
    animation: slideInUp 0.3s ease forwards;
  }
  
  .nav-list.mobile-open .nav-item:nth-child(1) { animation-delay: 0.1s; }
  .nav-list.mobile-open .nav-item:nth-child(2) { animation-delay: 0.2s; }
  .nav-list.mobile-open .nav-item:nth-child(3) { animation-delay: 0.3s; }
  .nav-list.mobile-open .nav-item:nth-child(4) { animation-delay: 0.4s; }
  
  .nav-list.mobile-open .nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
  }
  
  .nav-list.mobile-open .nav-link:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.05);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .theme-toggle {
    display: none; /* Hide on tablet/mobile to avoid overlap with hamburger menu */
  }
  
  .hero-content,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-image {
    width: 300px;
    height: 300px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    margin: var(--space-4);
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .modal-header {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-image {
    width: 100%;
    max-width: 300px;
    height: 200px;
  }
  
  .overlay-link {
    font-size: 1.5rem;
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-5xl: 2.25rem;
    --font-size-6xl: 2.75rem;
    --space-16: 3rem;
    --space-20: 4rem;
    --space-24: 5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--space-2);
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  /* Modal mobile styles */
  .modal-content {
    margin: var(--space-2);
    max-width: calc(100% - var(--space-4));
    max-height: 95vh;
  }
  
  .modal-actions {
    flex-direction: column;
  }
  
  .modal-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Overlay mobile styles */
  .overlay-link {
    font-size: 1.25rem;
    padding: var(--space-2) var(--space-3);
  }
  
  .close-icon {
    top: -40px;
    right: -10px;
    width: 25px;
    height: 25px;
  }
}

@media (max-width: 480px) {
  .theme-toggle {
    display: none; /* Hide on mobile to avoid overlap with hamburger menu */
  }
  
  .nav-container {
    padding: var(--space-3) var(--container-padding);
  }
  
  .hero-image {
    width: 250px;
    height: 250px;
  }
  
  .floating-element {
    font-size: var(--font-size-xl);
  }
  
  .skills-list {
    grid-template-columns: 1fr;
  }
  
  .social-links-large {
    flex-direction: column;
  }
}

/* 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; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.visible { display: block; }

/* Additional styles for missing elements */
.main-container {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.5s ease;
}

li {
  list-style: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}