:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --text-color: #1f2937;
  --light-text: #6b7280;
  --background: #f9fafb;
  --card-bg: #ffffff;
  --border-color: #e5e7eb;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--background);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background-color: var(--card-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  transition: color 0.3s ease-in-out;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

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

.hero {
  padding: 6rem 0;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.hero-content {
  flex: 1;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 100%;
  border-radius: 50%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.greeting {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.5rem;
  color: var(--light-text);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}

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

.btn-primary:hover {
  background-color: var(--secondary-color);
}

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

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

.stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  align-items: center;
  text-align: center;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--light-text);
}

section {
  padding: 4rem 0;
}

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

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--light-text);
  max-width: 700px;
  margin: 0 auto;
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.skill-tag {
  background-color: var(--card-bg);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  transition: ease-in-out background-color 0.3s;
}

.skill-tag:hover {
  background-color: var(--primary-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--card-bg);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.project-image {
  height: 180px;
  background-color: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-color);
}

.project-image img {
  max-width: 100%;
  max-height: 99%;
  object-fit: cover;
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-description {
  color: var(--light-text);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  height: 4.5rem;
  overflow: hidden;
}

.project-description-container {
  color: var(--light-text);
  font-size: 0.875rem;
  overflow: hidden;
}

.more-projects-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  padding-left: 0.2rem;
  background-color: var(--card-bg);
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.more-projects-container .more-projects {
  text-decoration: none;
  color: var(--primary-color);
  font-size: small;
}

.more-projects-container .more-projects:last-child {
  color: var(--secondary-color);
  font: bold;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.project-link:hover {
  text-decoration: underline;
}

.contact-form-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.submit-btn:hover {
  background-color: var(--secondary-color);
}

footer {
  background-color: var(--card-bg);
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.social-link {
  color: var(--light-text);
  text-decoration: none;
  font-size: 1.5rem;
  transition: color 0.3s;
}

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

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

.copyright {
  color: var(--light-text);
  font-size: 0.875rem;
}

/* Dark mode toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-color);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding: 3rem 0;
  }

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

  .stats {
    justify-content: center;
  }

  h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: block;
    font-size: 1.5rem;
    color: var(--text-color);
    background: none;
    border: none;
  }

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

/* Dark mode */
body.dark-mode {
  --primary-color: #3b82f6;
  --secondary-color: #60a5fa;
  --text-color: #f3f4f6;
  --light-text: #9ca3af;
  --background: #111827;
  --card-bg: #1f2937;
  --border-color: #374151;
}
.download-btn {
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}