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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 25px;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Main Content */
main {
  background: white;
  margin: 2rem auto;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 1200px;
}

.content-section {
  padding: 6rem 0;
  text-align: center;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="0,0 1000,80 1000,100 0,100"/></svg>')
    no-repeat bottom center;
  background-size: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease;
}

.hero .subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero .bio {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0.8;
  animation: fadeInUp 1s ease 0.4s both;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s both;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: white;
  color: #667eea;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: #667eea;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin: 4rem auto 0;
  max-width: 1000px;
  justify-items: center;
}

.skill-category {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  transition: transform 0.3s ease;
  text-align: center;
  width: 100%;
  max-width: 320px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.skill-category:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.skill-category h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.skill-tag {
  background: #667eea;
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: #5a67d8;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 3rem;
  margin: 4rem auto 0;
  max-width: 1100px;
  justify-items: center;
}

.project-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  max-width: 400px;
}

.project-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.project-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.project-content {
  padding: 2rem;
  text-align: left;
}

.project-title {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #333;
  text-align: center;
}

.project-description {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  text-align: center;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.tech-tag {
  background: #e2e8f0;
  color: #667eea;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.project-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.project-links a {
  color: #667eea;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  border: 2px solid #667eea;
}

.project-links a:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

/* Experience Section */
.timeline {
  position: relative;
  margin: 4rem auto 0;
  max-width: 800px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  width: 100%;
  display: flex;
  justify-content: center;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 2rem;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #667eea;
  border: 4px solid white;
  box-shadow: 0 0 0 4px #667eea, 0 5px 15px rgba(102, 126, 234, 0.3);
  z-index: 2;
}

.timeline-content {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 500px;
  text-align: center;
  position: relative;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-bottom-color: white;
  z-index: 1;
}

.timeline-date {
  color: #667eea;
  font-weight: 700;
  font-size: 1rem;
  background: rgba(102, 126, 234, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  display: inline-block;
  margin-bottom: 1rem;
}

.timeline-title {
  font-size: 1.5rem;
  margin: 1rem 0;
  color: #333;
}

.timeline-company {
  color: #667eea;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.timeline-content p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.achievements {
  list-style: none;
  margin-top: 1.5rem;
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.achievements li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 2rem;
  line-height: 1.6;
}

.achievements li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
  font-size: 1.2rem;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin: 4rem auto 0;
  max-width: 1000px;
  align-items: start;
}

.contact-info {
  text-align: center;
}

.contact-info h2 {
  color: #667eea;
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.contact-form {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.contact-form h3 {
  color: #333;
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: 2rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 700;
  color: #333;
  text-align: center;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.5rem;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
  text-align: center;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  text-align: left;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
  text-align: left;
}

.success-message {
  background: #10b981;
  color: white;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.error-message {
  background: #ef4444;
  color: white;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 3rem;
  color: #333;
  margin-bottom: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.2rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  color: white;
  text-align: center;
  padding: 4rem 0;
  margin-top: 6rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.social-links a {
  color: white;
  font-size: 2rem;
  transition: all 0.3s ease;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  text-decoration: none;
}

.social-links a:hover {
  color: #667eea;
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

footer p {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .subtitle {
    font-size: 1.2rem;
  }

  .nav-links {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    max-width: 350px;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    text-align: left;
  }

  .timeline-item::before {
    left: 10px;
  }

  .timeline-content {
    margin-left: 60px;
    text-align: left;
  }

  .timeline-content::before {
    left: -10px;
    top: 2rem;
    border-right-color: white;
    border-bottom-color: transparent;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }

  .social-links {
    gap: 1.5rem;
  }

  .social-links a {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

/* Hamburgur Testing */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white; /* Adjust to match your header theme */
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background: #111; /* or match your header bg */
        position: absolute;
        top: 60px;
        right: 0;
        width: 200px;
        padding: 1rem;
        border-radius: 8px;
    }
    .nav-links.show {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
}