/* ===== CSS RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Modern Color Palette */
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary-color: #64748b;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Neutral Colors - Clean & Modern */
  --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;
  --black: #000000;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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;
  
  /* Spacing - More Generous */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;
  
  /* Border Radius - Softer */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows - Subtle & Modern */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --shadow-card: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  
  /* 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;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  font-size: 0.95rem; /* Smaller base font */
  line-height: 1.7;
  color: var(--gray-700);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 56px; /* Prevent content from hiding under navbar */
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  width: 48px;
  height: 48px;
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: #fff; /* Permanently white background */
  box-shadow: var(--shadow-sm); /* Optional: subtle shadow for separation */
  border-bottom: 1px solid var(--gray-200);
}

.navbar.scrolled {
  background: #fff; /* Keep background white even when scrolled */
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4); /* Less horizontal padding */
  display: flex;
  justify-content: space-between; /* Change from flex-start to space-between */
  align-items: center;
  height: 56px; /* Match navbar height */
}

.nav-brand {
  margin-right: var(--spacing-8); /* Add spacing between logo and menu */
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  margin-left: auto;
  height: 56px; /* Ensure nav-menu matches navbar height */
}

.nav-link {
  text-decoration: none;
  color: var(--gray-900); /* Dark text for visibility */
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

.resume-link {
  background: var(--primary-color);
  color: var(--white) !important;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md); /* Slightly less rounded */
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.resume-link:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-2);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--gray-600);
  margin: 3px 0;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  box-shadow: none;
  padding-top: 0; /* Remove extra top padding */
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  text-align: left;
}

.hero-text {
  flex: 1;
  min-width: 340px;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-8);
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.highlight {
  color: var(--primary-color);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--accent-color);
  opacity: 0.2;
  border-radius: var(--radius-sm);
}

.wave {
  display: inline-block;
  animation: wave 2s infinite;
  transform-origin: 70% 70%;
}

@keyframes wave {
  0%, 20%, 50%, 80%, 100% { transform: rotate(0deg); }
  40% { transform: rotate(20deg); }
  60% { transform: rotate(-10deg); }
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

.hero-stats {
  display: none;
}

.scroll-indicator {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: none;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  text-decoration: none;
}

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

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

.profile-card {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: none;
  transition: transform var(--transition-normal);
  background: var(--white);
}

.profile-card:hover {
  transform: scale(1.05);
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-overlay {
  background: none;
  padding: 0.5rem;
}

.tech-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-item {
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  backdrop-filter: none;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--gray-400);
  border-bottom: 2px solid var(--gray-400);
  transform: rotate(45deg);
}

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

/* ===== SECTIONS ===== */
section {
  padding: 6rem 0;
}

section:nth-child(even) {
  background: var(--bg-secondary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.5rem; /* Smaller section titles */
  font-weight: 700;
  color: var(--gray-900);
}

.section-subtitle {
  font-size: 1rem; /* Smaller section subtitles */
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

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

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-20);
  align-items: center;
}

.about-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-10);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-6);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast);
  border: 1px solid var(--gray-200);
}

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

.highlight-item i {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  width: 24px;
  flex-shrink: 0;
}

.highlight-item h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.highlight-item p {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.experience-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.experience-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-6);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast);
  border: 1px solid var(--gray-200);
}

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

.experience-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.experience-icon i {
  color: var(--white);
  font-size: var(--font-size-lg);
}

.experience-content h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.experience-content p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== SKILLS SECTION ===== */
.skills-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.skills-category {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-10);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.skills-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.category-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-8);
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.skill-card {
  padding: var(--spacing-6);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

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

.skill-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
}

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

.skill-card h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.skill-level {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
  width: 0;
}

/* ===== EXPERIENCE SECTION ===== */
.experience {
  background: var(--bg-secondary);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-300);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-16);
  padding-left: var(--spacing-12);
}

.timeline-marker {
  position: absolute;
  left: 11px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.timeline-content {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-fast);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

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

.timeline-content:hover::before {
  transform: scaleY(1);
}

.timeline-header {
  margin-bottom: var(--spacing-6);
}

.timeline-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.company {
  color: var(--primary-color);
  font-weight: 500;
  margin-right: var(--spacing-4);
}

.duration {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.achievements {
  list-style: none;
  margin-bottom: var(--spacing-6);
}

.achievements li {
  position: relative;
  padding-left: var(--spacing-6);
  margin-bottom: var(--spacing-3);
  color: var(--gray-600);
  line-height: 1.6;
}

.achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.tech-tags {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.tech-tag {
  background: var(--gray-100);
  color: var(--gray-700);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--spacing-8);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

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

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-links {
  display: flex;
  gap: var(--spacing-4);
}

.project-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--white);
  color: var(--gray-900);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.project-content {
  padding: var(--spacing-8);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-4);
}

.project-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.project-badge {
  background: var(--accent-color);
  color: var(--white);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.project-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--spacing-6);
}

.project-tech {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-6);
}

.project-metrics {
  display: flex;
  gap: var(--spacing-8);
}

.metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-20);
  align-items: start;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-6);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast);
  border: 1px solid var(--gray-200);
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  color: var(--white);
  font-size: var(--font-size-lg);
}

.contact-details h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.contact-details p {
  color: var(--gray-600);
}

.contact-form {
  background: var(--bg-card);
  padding: var(--spacing-10);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  font-family: inherit;
  background: var(--bg-card);
  position: relative;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-8);
  padding-bottom: var(--spacing-8);
  border-bottom: 1px solid var(--gray-700);
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: var(--spacing-2);
}

.footer-social {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.footer-bottom i {
  color: var(--error-color);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-8);
  right: var(--spacing-8);
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg-primary: #000;
  --bg-secondary: #101010;
  --bg-card: #181818;
  --gray-900: #fff;
  --gray-600: #aaa;
}

[data-theme="dark"] body {
  color: var(--gray-700);
  background-color: var(--bg-primary);
}

[data-theme="dark"] .navbar {
  background: rgba(0, 0, 0, 0.95);
  border-bottom: 1px solid var(--gray-200);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(0, 0, 0, 0.98);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .nav-link {
  color: var(--gray-600);
}

[data-theme="dark"] .nav-link:hover {
  color: var(--primary-color);
}

[data-theme="dark"] .resume-link {
  background: var(--primary-color);
  color: var(--white) !important;
}

[data-theme="dark"] .hero {
  background: #101010;
  box-shadow: 0 2px 24px 0 rgb(99 102 241 / 0.04);
}

[data-theme="dark"] .section-title,
[data-theme="dark"] .logo-text,
[data-theme="dark"] .footer-brand h3 {
  color: var(--white);
}

[data-theme="dark"] .footer {
  background: #000;
  color: var(--gray-400);
}

[data-theme="dark"] .footer-bottom i {
  color: var(--error-color);
}

[data-theme="dark"] .project-card,
[data-theme="dark"] .skills-category,
[data-theme="dark"] .skill-card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .highlight-item,
[data-theme="dark"] .experience-item,
[data-theme="dark"] .contact-item {
  background: var(--bg-card);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

[data-theme="dark"] .back-to-top {
  background: var(--primary-color);
  color: var(--white);
}

[data-theme="dark"] .social-link {
  background: #181818;
  color: var(--gray-400);
}

[data-theme="dark"] .social-link:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* Toggle Button Styles */
.theme-toggle-btn {
  position: static;
  margin-left: 0; /* Remove extra left margin */
  margin-right: 0; /* Remove extra right margin */
  background: var(--gray-100);
  color: var(--primary-color);
  border: none;
  border-radius: var(--radius-full);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: 0.95rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-2); /* Match .nav-link gap */
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-content {
    flex-direction: column;
    gap: var(--spacing-8);
    text-align: center;
  }
  .hero-text, .hero-visual {
    min-width: unset;
    width: 100%;
  }
}

@media (max-width: 900px) {
  .contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
  }
  .contact-info {
    width: 100%;
    margin-bottom: var(--spacing-8);
  }
  .contact-form {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  .about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
  }
  .about-text {
    width: 100%;
    margin-bottom: var(--spacing-8);
  }
  .about-visual {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-6);
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-2);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-4);
  }
  
  .nav-container {
    padding: 0 var(--spacing-4);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .profile-card {
    width: 280px;
    height: 280px;
  }
}

@media (max-width: 340px) {
  body {
    font-size: 0.8rem;
  }
  .section-title,
  .hero-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-2);
  }
  .section-subtitle,
  .hero-subtitle {
    font-size: 0.85rem;
    margin-bottom: var(--spacing-2);
  }
  .about-description,
  .project-description,
  .experience-content p,
  .contact-details p {
    font-size: 0.8rem;
    margin-bottom: var(--spacing-2);
  }
  .highlight-item,
  .experience-item,
  .skill-card,
  .project-card,
  .contact-item,
  .contact-form,
  .timeline-content,
  .skills-category {
    padding: var(--spacing-2);
    font-size: 0.8rem;
  }
  .profile-card {
    width: 160px;
    height: 160px;
  }
  .btn,
  .resume-link,
  .theme-toggle-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.7rem;
  }
  .footer-content,
  .footer-bottom {
    font-size: 0.8rem;
    gap: var(--spacing-2);
    padding-bottom: var(--spacing-2);
  }
  .container {
    padding: 0 var(--spacing-2);
  }
  .nav-link {
    font-size: 0.8rem;
    padding: 0.4rem 0.7rem;
  }
  .nav-container {
    padding: 0 var(--spacing-2);
    height: 48px;
  }
  .navbar {
    height: 48px;
  }
}