/* Jarbyte.net Portfolio Website Styles */

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

:root {
  /* Color Variables */
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-light: #718096;
  --background-primary: #ffffff;
  --background-secondary: #f7fafc;
  --background-dark: #1a202c;
  --border-color: #e2e8f0;
  --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Typography */
  --font-primary: "Inter", system-ui, -apple-system, 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;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
}

/* Dark theme support */
[data-theme="dark"] {
  --text-primary: #f7fafc;
  --text-secondary: #e2e8f0;
  --text-light: #a0aec0;
  --background-primary: #1a202c;
  --background-secondary: #2d3748;
  --background-dark: #0f141b;
  --border-color: #4a5568;
  --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Dark theme specific overrides */
[data-theme="dark"] .hero {
  background: linear-gradient(
      135deg,
      rgba(102, 126, 234, 0.2) 0%,
      rgba(118, 75, 162, 0.2) 100%
    ),
    var(--background-primary);
}

[data-theme="dark"] .navbar {
  background: rgba(26, 32, 44, 0.95);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(26, 32, 44, 0.98);
}

/* Universal box-sizing and theme transitions */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  transition: background-color var(--transition-base),
    color var(--transition-base), border-color var(--transition-base),
    box-shadow var(--transition-base);
}

html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

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

h1 {
  font-size: var(--font-size-5xl);
}
h2 {
  font-size: var(--font-size-4xl);
}
h3 {
  font-size: var(--font-size-3xl);
}
h4 {
  font-size: var(--font-size-2xl);
}
h5 {
  font-size: var(--font-size-xl);
}
h6 {
  font-size: var(--font-size-lg);
}

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

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
  box-sizing: border-box;
}

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

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: var(--border-radius-sm);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

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

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

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-base);
  border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-light);
}

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

.nav-logo a {
  font-size: var(--font-size-xl);
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

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

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width var(--transition-base);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: var(--border-radius-sm);
}

/* Navigation Controls Container */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
}

.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--background-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-light);
}

.theme-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  border-color: var(--primary-color);
}

.theme-btn:active {
  transform: translateY(0);
}

[data-theme="dark"] .theme-btn {
  background: var(--background-primary);
  color: var(--text-primary);
}

/* Language Toggle */
.language-toggle {
  display: flex;
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-light);
}

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

.lang-btn:active {
  transform: translateY(0);
}

.lang-text {
  font-weight: 600;
}

.lang-btn i {
  font-size: var(--font-size-sm);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
  padding-top: 80px;
}

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

.hero-content h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  min-height: 3rem;
}

.typing-text::after {
  content: "|";
  animation: blink 1s infinite;
}

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

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
}

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

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

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

.logo-image {
  width: 300px;
  height: 300px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  padding: 20px;
  box-shadow: var(--shadow-heavy);
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.15));
  transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
}

.logo-image:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.2));
  box-shadow: var(--shadow-heavy), 0 0 0 4px rgba(255, 255, 255, 0.1);
}

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

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

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

.about-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

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

.profile-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-medium);
  border: 4px solid var(--primary-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-photo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-heavy);
}

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

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

.skill-category {
  background: var(--background-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: transform var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-5px);
}

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skill-item {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  cursor: pointer;
}

.skill-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.project-card {
  background: var(--background-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.project-image {
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
}

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

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

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

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

.project-tech span {
  background: var(--background-secondary);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

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

.project-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.project-link:hover {
  color: var(--secondary-color);
}

/* Education Section */
.education {
  padding: var(--spacing-3xl) 0;
  background: var(--background-primary);
}

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

.education-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--primary-color),
    var(--secondary-color)
  );
}

.education-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.education-item:nth-child(odd) {
  flex-direction: row;
}

.education-item:nth-child(even) {
  flex-direction: row-reverse;
}

.education-year {
  flex: 0 0 120px;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  background: var(--background-secondary);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  position: relative;
  z-index: 2;
}

.education-content {
  flex: 1;
  background: var(--background-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin: 0 var(--spacing-lg);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-base);
}

.education-content:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.education-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.education-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.education-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary-color);
  color: white;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.education-status.completed {
  background: #22c55e;
}

/* Experience Section */
.experience {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.experience-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--primary-color),
    var(--secondary-color)
  );
}

.experience-item {
  display: flex;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.experience-item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 20px;
  width: 18px;
  height: 18px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 3px solid var(--background-secondary);
  z-index: 2;
}

.experience-period {
  flex: 0 0 150px;
  font-weight: 600;
  color: var(--primary-color);
  padding-top: var(--spacing-md);
  padding-left: 60px;
}

.experience-content {
  flex: 1;
  background: var(--background-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-left: var(--spacing-lg);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-base);
}

.experience-content:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.experience-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.experience-content h4 {
  font-size: var(--font-size-base);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.experience-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.experience-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.experience-tech span {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--background-secondary);
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Experience Detail Styling */
.experience-detail {
  line-height: 1.6;
}

.experience-detail h4 {
  color: var(--primary-color);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.experience-detail h4:first-of-type {
  margin-top: var(--spacing-md);
}

.experience-detail ul {
  margin: var(--spacing-sm) 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
  list-style-type: disc;
}

.experience-detail li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

.experience-detail p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.contact-details {
  margin: var(--spacing-2xl) 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.contact-item i {
  color: var(--primary-color);
  width: 20px;
}

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border-radius: 50%;
  text-decoration: none;
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
}

.social-links a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* Contact Form */
.contact-form {
  background: var(--background-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
  background: var(--background-primary);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-lg);
  font-weight: 500;
}

.form-message.success {
  background: #c6f6d5;
  color: #2f855a;
  border: 1px solid #9ae6b4;
}

.form-message.error {
  background: #fed7d7;
  color: #c53030;
  border: 1px solid #fbb6ce;
}

/* Footer */
.footer {
  background: var(--background-dark);
  color: var(--text-light);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

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

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

.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 1000;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* Particles Effect */
.particle {
  position: fixed;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.6;
  animation: float 5s linear infinite;
  z-index: 1;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate {
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

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

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100vw;
    width: 100vw;
    height: calc(100vh - 70px);
    background: var(--background-primary);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    transition: left var(--transition-base);
    box-shadow: var(--shadow-medium);
    overflow-x: hidden;
    z-index: 1000;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-menu .nav-link:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  /* Navigation controls mobile styles */
  .nav-controls {
    gap: var(--spacing-xs);
  }

  .theme-btn {
    width: 35px;
    height: 35px;
    font-size: var(--font-size-base);
  }

  .language-toggle {
    margin-left: 0;
  }

  .lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  .lang-btn i {
    font-size: var(--font-size-xs);
  }

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

  .hero-image {
    order: -1;
  }

  .logo-image {
    width: 250px;
    height: 250px;
    padding: 15px;
  }

  .about-content {
    gap: var(--spacing-2xl);
  }

  .about-main {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-2xl);
  }

  .about-image {
    order: -1;
  }

  .profile-photo {
    width: 220px;
    height: 220px;
  }

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

  /* Education responsive */
  .education-timeline::before {
    left: 20px;
  }

  .education-item {
    flex-direction: column !important;
    align-items: flex-start;
    margin-left: 40px;
  }

  .education-year {
    flex: none;
    margin-bottom: var(--spacing-sm);
  }

  .education-content {
    margin: 0;
    width: 100%;
  }

  /* Experience responsive */
  .experience-timeline::before {
    left: 20px;
  }

  .experience-item {
    flex-direction: column;
    margin-left: 40px;
  }

  .experience-item::before {
    left: 12px;
  }

  .experience-period {
    flex: none;
    padding-left: 0;
    margin-bottom: var(--spacing-sm);
  }

  .experience-content {
    margin-left: 0;
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 100%;
  }

  .footer-links a {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    white-space: nowrap;
  }

  .hero-buttons {
    justify-content: center;
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 250px;
    text-align: center;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .scroll-to-top,
  .particle,
  .contact-form {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .hero,
  .about,
  .skills,
  .projects {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.3);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .particle {
    display: none;
  }
}