/* === GLOBAL === */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background-color: #f6f8fa;
  color: #1a1a1a;
  line-height: 1.6;
  transition: background-color 0.4s ease;
}

a {
  color: #1e88e5;
  text-decoration: none;
  transition: color 0.3s;
}
a:hover {
  color: #00bfa5;
}

/* === HERO HEADER === */
.hero {
  background: linear-gradient(135deg, #0d1b2a, #1b263b);
  color: #f0f4f8;
  padding: 3rem 1rem;
  text-align: center;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
  animation: fadeIn 1s ease-out;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}
.hero p {
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
}
.hero nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero nav a {
  color: #90caf9;
  font-weight: 600;
}
.hero nav a:hover {
  color: #4dd0e1;
}

/* === OVERVIEW SECTION === */
.overview-section {
  background-color: #dbe9f4;
  padding: 3rem 1rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.8s ease-out;
}
.overview-section h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
}

/* === CONTENT SECTIONS === */
.content-section {
  padding: 1.5rem 1rem;
  background-color: #ffffff;
  animation: fadeInUp 0.8s ease-out;
}
.content-section h2 {
  text-align: left;
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #0a2c56;
}

#visuals h2 {
  text-align: center;
}
.content-section ul {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

/* === CONTAINER === */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* === LIST & IMAGE === */
.project-details {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}
.project-details li {
  margin-bottom: 0.5rem;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem auto;
  border: 1px solid #ccc;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  animation: fadeIn 1s ease;
}
.image-caption {
  text-align: center;
  font-size: 0.95rem;
  color: #555;
  margin-top: -0.5rem;
}

/* === FOOTER === */
footer {
  text-align: center;
  padding: 2rem 1rem;
  background-color: #e1e7ec;
  color: #555;
  font-size: 0.9rem;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}