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

:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #10b981;
  --dark: #0f172a;
  --dark-secondary: #1e293b;
  --gray: #64748b;
  --light-gray: #e2e8f0;
  --white: #ffffff;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radius */
  --radius: 0.5rem;
  --radius-lg: 1rem;

  /* Transitions */
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

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

.logo-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.logo-title {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--gray);
  opacity: 0.8;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  margin-top: 70px;
}

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

.hero-greeting {
  font-size: var(--font-size-lg);
  color: var(--gray);
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

.highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

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

.btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

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

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

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

.btn-full {
  width: 100%;
}

/* Profile Card */
.hero-image {
  display: flex;
  justify-content: center;
}

.profile-card {
  position: relative;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.profile-avatar {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 8px solid var(--white);
  box-shadow: var(--shadow-lg);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--dark);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

/* About Section */
.about {
  background: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.text-large {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--dark);
}

.about-text p {
  color: var(--gray);
  line-height: 1.8;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.stat-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

/* Skills Section */
.skills {
  background: #f8fafc;
}

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

.skill-category {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.category-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-name {
  font-weight: 500;
  color: var(--dark);
}

.skill-bar {
  height: 8px;
  background: var(--light-gray);
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  width: var(--progress);
  border-radius: 4px;
  transition: width 1s ease;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.skill-tag {
  background: var(--light-gray);
  color: var(--dark);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition);
}

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

/* Projects Section */
.projects {
  background: var(--white);
}
.project-responsibilities {
  list-style: disc;
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

.project-responsibilities li {
  font-size: var(--font-size-sm);
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 0.3rem;
}

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

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

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

.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image > img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
  pointer-events: auto;
}

.project-link {
  width: 50px;
  height: 50px;
  background: transparent;
  border: 2px solid #ffffff;
  border-radius: 50%;

  display: flex;
  justify-content: center;
  align-items: center;

  transition: all 0.3s ease;
}

.project-link img {
  width: 24px;
  height: 24px;
}

.project-link:hover {
  background: #ffffff;
  transform: scale(1.1);
}
.project-link:hover img {
  filter: invert(1); 
}

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

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--dark);
}

.project-description {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  background: var(--light-gray);
  color: var(--dark);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
}


/* Contact Section */
.contact {
  background: #f8fafc;
}

.contact-content {
  display: grid;
  /* Changed from 1fr 1fr to ensure proper display on all screens */
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  align-items: start;
}

.contact-info h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--dark);
}

.contact-info p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--gray);
}

.contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Added explicit styling for social links container */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.social-link {
  width: 50px;
  height: 50px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--primary);
  transition: var(--transition);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.social-link svg {
  width: 24px;
  height: 24px;
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  /* Ensure form displays properly */
  display: flex;
  flex-direction: column;
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  font-weight: 500;
  color: var(--dark);
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  transition: var(--transition);
  width: 100%;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-xs);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--white);
  transition: var(--transition);
}

.footer-social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.footer-links li {
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: var(--font-size-base);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

.footer-contact svg {
  color: var(--primary);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin: 0;
}

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

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

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

  .nav-toggle {
    display: flex;
  }

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

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

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

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

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

  .profile-avatar {
    width: 250px;
    height: 250px;
  }

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

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

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

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
  }

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

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

  .profile-avatar {
    width: 200px;
    height: 200px;
  }

  .btn {
    padding: 0.625rem 1.5rem;
    width: 100%;
  }
}

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Added btn-block class for full width button */
.btn-block {
  width: 100%;
  margin-top: var(--spacing-sm);
}