/* General Styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f9f9f9;
}

h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #1f2937;
}

p {
  margin: 0.5rem 0;
  color: #374151;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

section {
  padding: 2rem 1rem;
  max-width: 900px;
  margin: auto;
  border-bottom: 1px solid #e5e7eb;
}

section h2 {
  color: #1f2937;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

/* Header */
header {
  background-color: #e0e0e0;
  color: #1f2937;
  text-align: center;
  padding: 2rem 1rem;
}

header h1 {
  color: #1f2937;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: #374151;
  transition: all 0.3s;
}


/* Nav */
nav {
  background-color: #374151;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0.5rem 0;
}

nav a {
  color: #ffffff;
  margin: 0 1rem;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #60a5fa;
}

@media screen and (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: center;
  }

  nav a {
    margin: 0.5rem 0;
  }

  .hamburger {
    display: block;
    position: absolute;
    right: 20px;
    top: 20px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: #374151;
    position: absolute;
    top: 60px;
    left: 0;
    padding: 1rem 0;
    text-align: center;
    z-index: 1000;
  }

  .nav-links.show {
    display: flex;
  }
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

/* Experience */
.experience-item {
  background: #ffffff;
  padding: 25px;
  max-width: 700px;
  margin: 20px auto;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.experience-item h3 {
  margin-top: 0;
  font-size: 22px;
  color: #1f2937;
}

.experience-item p {
  font-size: 16px;
  color: #374151;
  margin: 8px 0;
}

/* Education */
.education-card {
  background: #ffffff;
  padding: 25px;
  max-width: 700px;
  margin: 0 auto;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Timeline */
.timeline {
  position: relative;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 4px;
  height: 100%;
  background: #e5e7eb;
  transform: translateX(-50%);
}

.timeline-entry {
  position: relative;
  width: 50%;
  padding: 1rem 2rem;
  box-sizing: border-box;
}

.timeline-entry.left {
  left: 0;
  text-align: right;
}

.timeline-entry.right {
  left: 50%;
  text-align: left;
}

.timeline-content {
  background: #ffffff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  position: relative;
}

.timeline-content h3 {
  margin-top: 0;
  font-size: 1.25rem;
  color: #1f2937;
}

.timeline-entry::after {
  content: '';
  position: absolute;
  top: 1.5rem;
  width: 20px;
  height: 20px;
  background: #ffffff;
  border: 3px solid #374151;
  border-radius: 50%;
  z-index: 1;
}

.timeline-entry.left::after {
  right: -10px;
}

.timeline-entry.right::after {
  left: -10px;
}

/* Responsive Timeline */
@media screen and (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-entry {
    width: 100%;
    padding-left: 3rem;
    padding-right: 1rem;
  }

  .timeline-entry.left,
  .timeline-entry.right {
    left: 0;
    text-align: left;
  }

  .timeline-entry.left::after,
  .timeline-entry.right::after {
    left: 0;
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background-color: #e0e0e0;
  color: #1f2937;
}