/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@300;400;600&display=swap');

/* Variables */
:root {
  --primary-blue: #043382;
  --secondary-dark: #191919;
  --white: #ffffff;
  --black: #000000;
  --light-gray: #f8f9fa;
  --accent-blue: #0056b3;
  --hover-blue: #0069d9;
  --transparent-dark: rgba(25, 25, 25, 0.8);
  
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  
  --border-radius: 5px;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--secondary-dark);
  background-color: var(--light-gray);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-blue);
}

a {
  text-decoration: none;
  color: var(--primary-blue);
  transition: color 0.3s ease-in-out;
}

a:hover {
  color: var(--accent-blue);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h2 {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

section {
  padding: var(--spacing-lg) var(--spacing-sm);
}

/* Navbar */
#navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

#navbar h1 {
  margin: 0;
  font-size: 1.8rem;
}

#navbar h1 a {
  color: var(--primary-blue);
  font-weight: 700;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

#navbar h1 a:hover {
  color: #ffc107;
}

#navbar ul {
  display: flex;
  list-style: none;
}

#navbar li {
  margin-left: var(--spacing-md);
}

#navbar a {
  font-weight: 600;
  text-transform: uppercase;
  font-family: var(--font-heading);
  color: var(--secondary-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

#navbar li a:hover {
  background-color: var(--primary-blue);
  color: var(--white);
}

/* Welcome Section */
#welcome-section {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
  color: var(--white);
  text-align: center;
  padding-top: 80px;
}

#welcome-section h1 {
  font-size: 3rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: var(--spacing-sm) 0;
}

#welcome-section p {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
}

.avatar-container {
  margin-bottom: var(--spacing-md);
}

.avatar-container img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 5px solid var(--white);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

/* Divider */
.divider {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--spacing-md) 0;
}

.divider-line {
  width: 100px;
  height: 4px;
  background-color: var(--primary-blue);
  border-radius: 2px;
  margin: 0 var(--spacing-sm);
}

.divider-icon {
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.light .divider-line {
  background-color: var(--white);
}

.light .divider-icon {
  color: var(--white);
}

/* Projects Section */
#projects {
  background-color: var(--white);
  text-align: center;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-sm);
}

.project-tile {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-tile:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 20px rgba(0, 0, 0, 0.2);
}

.project-tile img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.project-content {
  padding: var(--spacing-md);
  text-align: left;
}

.project-content h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.project-tags {
  margin-bottom: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: 0.25em 0.6em;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: 0.25rem;
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
}

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

.tag-warning {
  background-color: #ffc107;
  color: var(--secondary-dark);
}

/* About Section */
#about {
  color: var(--white);
  background-color: var(--primary-blue);
  text-align: center;
}

#about h2 {
  color: var(--white);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

/* Contact Section */
#contact {
  background-color: var(--white);
  text-align: center;
}

.contact-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto;
}

.contact-item {
  margin: var(--spacing-md);
  text-align: center;
}

.contact-icon {
  font-size: 3rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  transition: transform 0.3s ease;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1);
}

.contact-label {
  color: #6c757d;
  margin-bottom: var(--spacing-xs);
}

.contact-info {
  font-weight: 600;
  font-size: 1.1rem;
}

/* Footer */
footer {
  padding: var(--spacing-lg) 0;
  background-color: var(--secondary-dark);
  color: var(--white);
  text-align: center;
}

.social-container {
  margin-bottom: var(--spacing-md);
}

.social-container h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.social-link {
  font-size: 1.2rem;
  color: var(--white);
  margin: 0 var(--spacing-sm);
  transition: transform 0.3s ease;
}

.social-link:hover {
  color: #ccc;
  transform: translateY(-5px);
}

.copyright {
  padding: var(--spacing-md) 0;
  background-color: var(--black);
  color: var(--white);
  margin-top: var(--spacing-md);
}

.copyright a {
  color: var(--white);
  border-bottom: 1px dotted var(--white);
}

.copyright a:hover {
  color: #ccc;
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  right: var(--spacing-md);
  bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.25rem;
  transition: all 0.3s ease;
  z-index: 999;
}

.scroll-top:hover {
  background-color: var(--accent-blue);
  transform: translateY(-3px);
}

/* Media Queries */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  #navbar {
    flex-direction: column;
    padding: var(--spacing-sm);
  }
  
  #navbar h1 {
    margin-bottom: var(--spacing-sm);
  }
  
  #navbar ul {
    width: 100%;
    justify-content: center;
  }
  
  #navbar li {
    margin: 0 var(--spacing-xs);
  }
  
  #welcome-section h1 {
    font-size: 2.5rem;
  }
  
  .contact-grid {
    flex-direction: column;
  }
  
  .social-link {
    margin: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  h2 {
    font-size: 2rem;
  }
  
  #welcome-section h1 {
    font-size: 2rem;
  }
  
  .avatar-container img {
    width: 150px;
    height: 150px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
}