/* ===== Background & Body ===== */
body {
  /* background image with a dark overlay for better text contrast */
  background: linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35)), url("images/background.jpg") no-repeat center center fixed;
  background-size: cover;
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  color: #333;
  line-height: 1.6;
}

/* ===== Header & Nav ===== */
header {
  position: relative;
  text-align: center;
  color: white;
  background: rgba(37, 99, 235, 0.85);
  padding: 2rem 1rem 1.5rem;
  border-bottom: 4px solid #1d4ed8;
}

/* Profile photo in the top-left of the header */
.profile-photo {
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.85);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* Smaller on narrow screens */
@media (max-width: 480px) {
  .profile-photo {
    left: 0.8rem;
    top: 0.8rem;
    width: 56px;
    height: 56px;
  }
  header h1 { font-size: 1.4rem; }
  header h2 { font-size: 1rem; }
}

header h1 {
  margin: 0;
  font-size: 2rem;
}
header h2 {
  margin-top: 0.3rem;
  font-weight: 400;
  opacity: 0.9;
}

nav {
  margin-top: 1rem;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 1rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
}
nav a:hover,
nav a.active {
  border-color: white;
}

/* ===== Main Content ===== */
main {
  max-width: 900px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

section {
  margin-bottom: 2rem;
}

/* ===== Skills Badges ===== */
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skills-list span {
  background: #e5e7eb;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.6rem 1rem;
  background: #2563eb;
  color: white;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s;
}
.btn:hover {
  background: #1d4ed8;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 1rem;
  color: #555;
  font-size: 0.9rem;
}