:root {
  --background: hsl(210, 50%, 98%);
  --foreground: hsl(222.2, 84%, 4.9%);
  --card: hsl(0, 0%, 100%);
  --card-foreground: hsl(222.2, 84%, 4.9%);
  --primary: hsl(199, 89%, 48%);
  --primary-foreground: hsl(210, 40%, 98%);
  --secondary: hsl(210, 40%, 96.1%);
  --secondary-foreground: hsl(222.2, 47.4%, 11.2%);
  --muted: hsl(210, 40%, 96.1%);
  --muted-foreground: hsl(215.4, 16.3%, 46.9%);
  --accent: hsl(199, 89%, 48%);
  --border: hsl(214.3, 31.8%, 91.4%);
  --input: hsl(214.3, 31.8%, 91.4%);
  --radius: 0.5rem;
  
  /* Additional custom colors */
  --portfolio-blue: hsl(199, 89%, 48%);
  --portfolio-darkblue: hsl(199, 89%, 38%);
  --portfolio-light: hsl(210, 40%, 96.1%);
  --portfolio-dark: hsl(222.2, 47.4%, 11.2%);
  --portfolio-gray: hsl(215.4, 16.3%, 46.9%);
}

/* Base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

a {
  text-decoration: none;
  color: var(--portfolio-dark);
  transition: color 0.3s;
}

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

ul {
  list-style: none;
}

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

/* Utility Classes */
.highlight {
  color: var(--portfolio-blue);
}

.section {
  padding: 4rem 0;
}

.section-light {
  background-color: var(--portfolio-light);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--portfolio-dark);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--portfolio-gray);
  margin-bottom: 3rem;
  max-width: 42rem;
}

@media (min-width: 768px) {
  .section-subtitle {
    font-size: 1.25rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
}

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

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

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

.btn-outline:hover {
  border-color: var(--portfolio-blue);
}

.btn-full {
  width: 100%;
}

.icon-small {
  width: 1rem;
  height: 1rem;
  margin-right: 0.5rem;
}

.skill-pill {
  background-color: var(--portfolio-light);
  color: var(--portfolio-darkblue);
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-block;
  margin: 0.25rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--portfolio-dark);
}

.desktop-nav {
  display: none;
}

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

.desktop-nav a {
  color: var(--portfolio-dark);
  transition: color 0.3s;
}

.desktop-nav a:hover {
  color: var(--portfolio-blue);
}

.menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--portfolio-dark);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  animation: slideDown 0.3s ease-out;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: block;
  }
  
  .menu-toggle {
    display: none;
  }
}

/* Hero Section */
.hero {
  padding: 3rem 0;
  background: linear-gradient(to bottom, white, var(--portfolio-light));
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.hero-content {
  text-align: center;
  max-width: 40rem;
}

.hero-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-content p {
  color: var(--portfolio-gray);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.profile-image {
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background-color: var(--portfolio-light);
  border: 4px solid white;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--portfolio-blue);
  font-weight: 500;
}

.profile-image img {
  width: 100%; /* Makes the image fill the container */
  height: 100%; /* Makes the image fill the container */
  object-fit: cover; /* Ensures the image maintains its aspect ratio while covering the container */
}

.scroll-down {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--portfolio-gray);
}

.bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@media (min-width: 768px) {
  .hero .container {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .hero-content {
    text-align: left;
  }
  
  .hero-buttons {
    justify-content: flex-start;
  }
  
  .scroll-down {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .profile-image {
    width: 20rem;
    height: 20rem;
  }
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info h3,
.social-links h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--portfolio-dark);
}

.info-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.info-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--portfolio-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--portfolio-blue);
}

.info-label {
  font-size: 0.875rem;
  color: var(--portfolio-gray);
  margin-bottom: 0.25rem;
}

.social-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.social-item:hover {
  border-color: var(--portfolio-blue);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Experience Section */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.project-card {
  background-color: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.3s;
}

.project-card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.project-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  background-color: var(--portfolio-light);
  color: var(--portfolio-blue);
  margin-bottom: 1rem;
}

.project-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--portfolio-dark);
}

.project-card p {
  color: var(--portfolio-gray);
  margin-bottom: 1.5rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Education Section */
.education-container {
  max-width: 48rem;
  margin: 0 auto;
}

.education-card {
  background-color: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.education-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background-color: var(--portfolio-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--portfolio-blue);
}

.education-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--portfolio-dark);
}

.institution {
  color: var(--portfolio-gray);
  margin-bottom: 0.5rem;
}

.duration {
  font-size: 0.875rem;
  color: var(--portfolio-gray);
  margin-bottom: 1rem;
}

.courses h4 {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--portfolio-dark);
}

.courses-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.bullet {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--portfolio-blue);
  margin-right: 0.5rem;
}

.organization {
  border-left: 2px solid var(--portfolio-blue);
  padding-left: 1.5rem;
  margin-left: 1rem;
}

.org-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.org-label {
  font-weight: 500;
}

@media (min-width: 640px) {
  .education-card {
    flex-direction: row;
  }
  
  .courses-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Skills Section */
.skills-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.technical-skills h3,
.additional-skills h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--portfolio-dark);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.skill-card {
  background-color: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.skill-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.skill-icon-blue {
  background-color: hsl(210, 100%, 95%);
  color: hsl(210, 100%, 50%);
}

.skill-icon-green {
  background-color: hsl(140, 100%, 95%);
  color: hsl(140, 100%, 36%);
}

.skill-icon-purple {
  background-color: hsl(280, 100%, 95%);
  color: hsl(280, 100%, 50%);
}

.skill-icon-yellow {
  background-color: hsl(50, 100%, 95%);
  color: hsl(40, 100%, 50%);
}

.skill-card h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--portfolio-dark);
}

.language-section,
.interests-section {
  background-color: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.language-item {
  margin-bottom: 1rem;
}

.language-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.language-name {
  font-weight: 500;
}

.language-level {
  font-size: 0.875rem;
  color: var(--portfolio-gray);
}

.progress-bar {
  width: 100%;
  height: 0.5rem;
  background-color: hsl(0, 0%, 90%);
  border-radius: 9999px;
  overflow: hidden;
}

.progress {
  height: 100%;
  background-color: var(--portfolio-blue);
  border-radius: 9999px;
}

.interests-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.interests-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--portfolio-blue);
}

.interests-list li span {
  color: var(--portfolio-dark);
}

@media (min-width: 640px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skills-container {
    grid-template-columns: 2fr 1fr;
  }
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--portfolio-dark);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  background-color: var(--portfolio-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--portfolio-blue);
}


.form-group {
  margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--background);
  color: var(--foreground);
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--portfolio-blue);
  box-shadow: 0 0 0 2px rgba(0, 153, 255, 0.2);
}

@media (min-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr 1fr;
  }
}

/* Footer */
.footer {
  background-color: var(--portfolio-dark);
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-brand h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-brand p {
  color: hsl(0, 0%, 70%);
  margin-top: 0.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: hsl(0, 0%, 20%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: background-color 0.3s;
}

.footer-social a:hover {
  background-color: var(--portfolio-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid hsl(0, 0%, 20%);
  color: hsl(0, 0%, 70%);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: white;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  transform: translateY(150%);
  transition: transform 0.3s;
}

.toast.show {
  transform: translateY(0);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toast-icon {
  color: hsl(142, 76%, 36%);
}

/* Animations */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}