.container {
  max-width: 100%;
  overflow-x: hidden;
}


#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 7.2rem;
  background-color: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-header);
  transition: background-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.header-content {
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 var(--space-2);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 2.4rem;
  font-weight: 700;
}

.logo-text {
  color: var(--primary-500);
  transition: color 0.3s;
}

.logo-text:hover {
  color: var(--primary-600);
}

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

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-sm);
  transition: color 0.3s, background-color 0.3s;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-500);
}

.theme-toggle {
  margin-left: var(--space-2);
}

#theme-toggle-btn {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
}

#theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
}

.icon-light, .icon-dark {
  font-size: 2rem;
}

[data-theme="light"] .icon-dark {
  display: block;
}

[data-theme="light"] .icon-light {
  display: none;
}

[data-theme="dark"] .icon-light {
  display: block;
}

[data-theme="dark"] .icon-dark {
  display: none;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  width: 3.2rem;
  height: 3.2rem;
  padding: 0.6rem;
  border-radius: var(--radius-sm);
}

.mobile-menu-btn:hover {
  background-color: var(--bg-tertiary);
}

.bar {
  width: 100%;
  height: 0.2rem;
  background-color: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero Section */
.hero-section {
  padding: calc(8rem + var(--space-6)) var(--space-2) var(--space-6);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
}

.hero-content {
  max-width: 80rem;
  text-align: center;
}

.hero-title {
  font-size: 5.6rem;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.highlight {
  color: var(--primary-500);
}

.hero-subtitle {
  font-size: 2.4rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.hero-description {
  font-size: 1.8rem;
  max-width: 60rem;
  margin: 0 auto var(--space-4);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.4rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all 0.3s;
  font-size: 1.6rem;
}

.btn-sm {
  padding: 0.8rem 1.6rem;
  font-size: 1.4rem;
}

.btn-primary {
  background-color: var(--primary-500);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  border-color: var(--primary-500);
  color: var(--primary-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Section Styles */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-5);
}

.section-heading h2 {
  font-size: 3.6rem;
  margin-bottom: var(--space-1);
}

.section-heading p {
  color: var(--text-secondary);
  font-size: 1.8rem;
}

/* Projects Section */
.projects-section {
  padding: var(--space-8) var(--space-2);
  background-color: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(34rem, 1fr));
  gap: var(--space-4);
  max-width: 120rem;
  margin: 0 auto;
}

.project-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-0.8rem);
  box-shadow: var(--shadow-lg);
}

.project-image {
  height: 22rem;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

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

.project-content {
  padding: var(--space-3);
}

.project-title {
  font-size: 2rem;
  margin-bottom: var(--space-1);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-size: 1.5rem;
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: var(--space-2);
}

.tag {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
}

.project-links {
  display: flex;
  gap: var(--space-2);
}

/* Contact Section */
.contact-section {
  padding: var(--space-8) var(--space-2);
  background-color: var(--bg-primary);
}

.contact-content {
  max-width: 80rem;
  margin: 0 auto;
}

.contact-info {
  text-align: center;
  max-width: 60rem;
  margin: 0 auto;
}

.contact-details {
  margin: var(--space-4) 0;
}

.contact-item {
  margin-bottom: var(--space-2);
}

.contact-label {
  font-weight: 500;
  margin-right: var(--space-1);
}

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

.contact-value:hover {
  color: var(--primary-500);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.8rem;
  height: 4.8rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all 0.3s;
}

.social-link:hover {
  background-color: var(--primary-500);
  color: white;
  transform: translateY(-0.4rem);
}

/* Footer */
.footer {
  padding: var(--space-4) var(--space-2);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 120rem;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer p {
  margin-bottom: 0;
  color: var(--text-tertiary);
  font-size: 1.4rem;
}

.footer-links {
  display: flex;
  gap: var(--space-2);
}

.footer-link {
  color: var(--text-tertiary);
  transition: color 0.3s;
}

.footer-link:hover {
  color: var(--primary-500);
}