/* Base */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f6f7f9;
  color: #1f2933;
  line-height: 1.65;
}

/* Hero section */
.hero {
  position: relative;
  background-color: #111827; /* fallback */
  background-image: url("/assets/background.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #ffffff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.hero-content {
  position: relative;
  max-width: 900px;
  margin: auto;
  padding: 80px 24px 70px;
  text-align: center;
}

/* Profile image */
.profile-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  margin-bottom: 16px;
}

/* Typography */
.site-title {
  font-size: 2.4rem;
  margin: 0;
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin: 6px 0;
}

.tagline {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 22px;
}

/* Navigation */
.nav a {
  margin: 0 12px;
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  text-decoration: underline;
}

/* Main content */
.container {
  max-width: 880px;
  margin: auto;
  padding: 48px 24px;
}

h2 {
  margin-top: 48px;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 6px;
}

/* Mobile */
@media (max-width: 600px) {
  .hero-content {
    padding: 60px 20px;
  }

  .profile-img {
    width: 130px;
    height: 130px;
  }

  .site-title {
    font-size: 1.9rem;
  }
}