/* Dark/Light Theme Variables */
:root {
  /* Light Theme Colors */
  --primary-color: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --primary-lighter: #d1fae5;

  --secondary-color: #f59e0b;
  --secondary-dark: #d97706;
  --secondary-light: #fbbf24;
  --secondary-lighter: #fef3c7;

  --accent-color: #8b5cf6;
  --accent-dark: #7c3aed;
  --accent-light: #a78bfa;
  --accent-lighter: #ede9fe;

  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;

  /* Light Theme Text & Backgrounds */
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-light: #6b7280;
  --text-white: #ffffff;
  --text-muted: #9ca3af;

  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-dark: #111827;
  --bg-darker: #030712;

  --bg-glass: rgba(255, 255, 255, 0.15);
  --bg-glass-dark: rgba(17, 24, 39, 0.1);

  /* Light Theme Gradients */
  --gradient-primary: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  --gradient-hero: linear-gradient(135deg, #10b981 0%, #059669 25%, #f59e0b 75%, #d97706 100%);
  --gradient-warm: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #ec4899 100%);
  --gradient-cool: linear-gradient(135deg, #34d399 0%, #10b981 50%, #8b5cf6 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-colored: 0 20px 25px -5px rgba(16, 185, 129, 0.2);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  /* Dark Theme Text & Backgrounds */
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --text-white: #ffffff;
  --text-muted: #6b7280;

  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --bg-dark: #030712;
  --bg-darker: #000000;

  --bg-glass: rgba(17, 24, 39, 0.8);
  --bg-glass-dark: rgba(255, 255, 255, 0.1);

  /* Dark Theme Gradients */
  --gradient-hero: linear-gradient(135deg, #059669 0%, #047857 25%, #d97706 75%, #b45309 100%);

  /* Dark Theme Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-colored: 0 20px 25px -5px rgba(16, 185, 129, 0.3);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: hidden;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Animation */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: var(--gradient-hero);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  transition: background 0.3s ease;
}

.bg-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(1px);
  transition: background 0.3s ease;
}

[data-theme="dark"] .bg-overlay {
  background: rgba(0, 0, 0, 0.2);
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 50%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Navigation */
nav {
  position: fixed;
  top: var(--spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  max-width: 1200px;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] nav {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-xl);
  border-color: rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] nav.scrolled {
  background: rgba(17, 24, 39, 0.95);
  border-color: rgba(16, 185, 129, 0.3);
}

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

.logo {
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo i {
  color: var(--primary-color);
  -webkit-text-fill-color: var(--primary-color);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-links a:hover {
  background: var(--bg-glass);
  transform: translateY(-2px);
}

.nav-links a.active {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

/* Theme Toggle */
.theme-toggle-container {
  display: flex;
  align-items: center;
  margin-left: var(--spacing-sm);
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--gradient-primary);
  color: var(--text-white);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon {
  transition: all 0.3s ease;
}

.theme-toggle.rotating .theme-icon {
  animation: rotateIcon 0.5s ease-in-out;
}

@keyframes rotateIcon {
  0% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(0.8);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  margin-left: var(--spacing-sm);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: calc(var(--spacing-3xl) + 60px) var(--spacing-sm) var(--spacing-2xl);
  margin-top: 0;
}

.hero-container {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .hero-badge {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.text-success {
  color: var(--success-color);
  animation: pulse-color 2s ease-in-out infinite;
}

@keyframes pulse-color {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.hero h1 {
  font-family: "Poppins", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-white);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #34d399 30%, #fbbf24 70%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .gradient-text {
  background: linear-gradient(135deg, #f9fafb 0%, #34d399 30%, #fbbf24 70%, #f9fafb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-sm);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero .description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 1s forwards;
}

.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-item i {
  font-size: 1.5rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-xs);
}

.stat-number {
  font-family: "Poppins", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-white);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 1.2s forwards;
}

/* Hero Image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: translateX(50px);
  animation: fadeInRight 1s ease 0.6s forwards;
}

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

.image-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-cool);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}

.image-bg::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: var(--gradient-warm);
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse 4s ease-in-out infinite reverse;
}

.profile-image {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-2xl);
  z-index: 2;
}

.floating-icons {
  position: absolute;
  inset: 0;
}

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--warning-color);
  animation: float 6s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

[data-theme="dark"] .floating-icon {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.floating-icon:nth-child(2) {
  bottom: 20%;
  left: 5%;
  animation-delay: 2s;
}

.floating-icon:nth-child(3) {
  top: 50%;
  right: -10%;
  animation-delay: 4s;
}

.floating-icon:nth-child(4) {
  bottom: 10%;
  right: 20%;
  animation-delay: 1s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn:hover::before {
  transform: translateX(100%);
}

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

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

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Section Styles */
section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  transition: background-color 0.3s ease;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-primary);
  color: var(--text-white);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-family: "Poppins", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
  transition: color 0.3s ease;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  transition: color 0.3s ease;
}

/* About Section */
.about {
  background: var(--bg-secondary);
  position: relative;
  transition: background-color 0.3s ease;
}

.about::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-image-container {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

.about-image-bg {
  position: absolute;
  inset: -20px;
  background: var(--gradient-accent);
  border-radius: var(--radius-2xl);
  opacity: 0.3;
  z-index: -1;
}

.about-text h3 {
  font-family: "Poppins", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  transition: color 0.3s ease;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  transition: color 0.3s ease;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.highlight-item i {
  color: var(--success-color);
  font-size: 1.1rem;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.skill-card {
  background: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .skill-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

.skill-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.skill-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-white);
}

.skill-card h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.skill-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  transition: color 0.3s ease;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.skill-tag {
  padding: 6px 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.3s ease;
}

.skill-tag i {
  font-size: 0.75rem;
  color: var(--primary-color);
}

/* Projects Section */
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.projects {
  background: var(--bg-secondary);
  position: relative;
  transition: background-color 0.3s ease;
}

.projects::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.project-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

[data-theme="dark"] .project-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.project-image {
  height: 240px;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-icon {
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.8);
  z-index: 2;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
}

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

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

.project-content h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.project-status {
  padding: 4px 12px;
  background: var(--gradient-accent);
  color: var(--text-white);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  transition: color 0.3s ease;
}

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

.project-tag {
  padding: 4px 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  background: var(--gradient-primary);
  color: var(--text-white);
  text-decoration: none;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.project-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.project-link.secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Certifications Section */
.certifications {
  background: var(--bg-primary);
  transition: background-color 0.3s ease;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.cert-card {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
}

[data-theme="dark"] .cert-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cert-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.cert-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-white);
  margin: 0 auto var(--spacing-sm);
}

.cert-card h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  transition: color 0.3s ease;
}

.cert-provider {
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info {
  position: relative;
}

.contact-info h3 {
  font-family: "Poppins", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  transition: color 0.3s ease;
}

.contact-info p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  transition: color 0.3s ease;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

[data-theme="dark"] .contact-item {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 1.2rem;
}

.contact-item-content strong {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  transition: color 0.3s ease;
}

.contact-item-content span {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.contact-form {
  background: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

[data-theme="dark"] .contact-form {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

/* Footer */
footer {
  background: var(--bg-dark);
  color: var(--text-white);
  position: relative;
  transition: background-color 0.3s ease;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-sm) 0;
}

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

.footer-section h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-white);
}

.footer-section h4 i {
  color: var(--primary-light);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer-logo i {
  font-size: 2rem;
  color: var(--primary-light);
}

.footer-logo h3 {
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
}

.footer-logo p {
  color: var(--primary-light);
  font-weight: 500;
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 45px;
  height: 45px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  background: var(--gradient-accent);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all 0.3s ease;
  padding: 4px 0;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

.footer-links a i {
  font-size: 0.75rem;
  color: var(--primary-light);
}

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

.contact-item-footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xs) 0;
}

.contact-item-footer i {
  color: var(--primary-light);
  width: 20px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.footer-tagline {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
}

.text-primary {
  color: var(--primary-light);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
  color: var(--primary-light);
}

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

@keyframes fadeInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.6;
  }
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }

  .image-container {
    width: 300px;
    height: 300px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer-content {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  nav {
    width: calc(100% - 1rem);
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

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

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .theme-toggle-container {
    margin-left: var(--spacing-xs);
    margin-right: var(--spacing-xs);
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-buttons {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

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

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .image-container {
    width: 250px;
    height: 250px;
  }

  .floating-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-tagline {
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-accent);
}

/* Loading Animation */
.loading {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.loaded {
  opacity: 1;
}

/* Theme transition for smooth switching */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}