/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Main Container */
.main-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
header {
  background-color: #0d47a1; /* Deep Blue */
  color: white;
  text-align: center;
  padding: 80px 20px;
}

header h1 {
  font-size: 3em;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2em;
  color: #bbdefb; /* lighter blue */
}

/* Sections */
.section {
  padding: 40px 20px;
  margin-bottom: 30px;
  background-color: #e3f2fd; /* light blue background for cards */
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.section h2 {
  font-size: 2em;
  margin-bottom: 20px;
  color: #0d47a1;
}

/* Resume & Achievements */
.resume-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn {
  background-color: #0d47a1;
  color: white;
  padding: 12px 25px;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #1565c0;
}

.achievements ul,
.certificates ul {
  list-style: none;
  text-align: left;
  display: inline-block;
  margin-top: 10px;
}

.achievements li,
.certificates li {
  margin-bottom: 8px;
  font-size: 1.1em;
}

.certificates h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  color: #1565c0;
}

/* Projects */
.project {
  margin-bottom: 30px;
  text-align: left;
}

.project h3 {
  font-size: 1.5em;
  margin-bottom: 5px;
  color: #1565c0;
}

.project p {
  font-style: italic;
  color: #0d47a1;
}

.project ul {
  margin-top: 10px;
  padding-left: 20px;
}

.project ul li {
  margin-bottom: 5px;
}

/* Skills */
.skills-list {
  list-style: none;
  text-align: left;
}

.skills-list li {
  margin-bottom: 10px;
  font-size: 1.1em;
}

/* Responsive */
@media screen and (max-width: 768px) {
  header h1 {
    font-size: 2.2em;
  }

  header p {
    font-size: 1em;
  }

  .project, .skills-list, .achievements ul, .certificates ul {
    padding: 0 10px;
  }
}