/* Reset & Base Styles */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f7f7f7;
  color: #222;
  line-height: 1.6;
}
a {
  text-decoration: none;
  color: inherit;
}
/* Header Styles */
header {
  background-color: #003366;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: bold;
}
nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  gap: 0.5rem;
}
nav li a {
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background-color 0.3s;
  white-space: nowrap;
}
nav li a:hover {
  background-color: #007c8c;
}
nav li a.active {
  background-color: #007c8c;
  color: white;
}
/* Main Container */
main {
  padding: 2rem 3rem;
  max-width: 1600px;
  margin: 0 auto;
  box-sizing: border-box;
}
/* Card Layout */
.card {
  background-color: white;
  border-radius: 12px;
  padding: 2.5rem 3rem;
  max-width: 100%;
  margin: 2rem auto;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}
/* About Me Layout */
.about-me {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
.profile-photo {
  flex: 0 0 220px;
  text-align: center;
}
.profile-photo img {
  width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.profile-photo figcaption {
  margin-top: 0.5rem;
  font-style: italic;
  color: #444;
}
.about-text {
  flex: 1;
  min-width: 0;
}
/* CTA Button Group */
.cta-block {
  margin-top: 2rem;
  text-align: center;
}
.cta-block p {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}
.button {
  background-color: #007c8c;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s;
  border: none;
  white-space: nowrap;
}
.button:hover {
  background-color: #005f66;
}
/* Goals Page */
.goals-list {
  padding-left: 2rem;
  margin-top: 1rem;
}
.goals-list li {
  margin-bottom: 0.5rem;
}
/* Articles/Projects Page */
.articles-section h2 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
}
.articles-section a {
  color: #007c8c;
  font-weight: bold;
}
.articles-section a:hover {
  text-decoration: underline;
}
.articles-section p {
  margin: 0.5rem 0 1.5rem 0;
}
/* Footer */
footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 4rem;
  font-size: 0.9rem;
}
footer a {
  color: #99e0eb;
  text-decoration: underline;
}
/* ── Large Screen ── */
@media (min-width: 1400px) {
  main {
    padding: 2rem 5rem;
  }
  .card {
    padding: 3rem 4rem;
  }
  header {
    padding: 1rem 5rem;
  }
  body {
    font-size: 1.05rem;
  }
}
@media (min-width: 1800px) {
  main {
    padding: 2rem 8rem;
  }
  .card {
    padding: 3rem 5rem;
  }
  header {
    padding: 1rem 8rem;
  }
  body {
    font-size: 1.1rem;
  }
}
/* ── Mobile Responsive ── */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
  }
  header h1 {
    font-size: 1.4rem;
  }
  nav ul {
    gap: 0.4rem;
    margin-top: 0.5rem;
  }
  nav li a {
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
  }
  .about-me {
    flex-direction: column;
    align-items: center;
  }
  .profile-photo {
    flex: none;
    width: 100%;
  }
  .profile-photo img {
    width: 150px;
  }
  .card {
    padding: 1.25rem;
    margin: 1rem auto;
  }
  .button {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
  .button-group {
    gap: 0.6rem;
  }
  main {
    padding: 1rem;
  }
}
@media (max-width: 480px) {
  header h1 {
    font-size: 1.2rem;
  }
  nav li a {
    font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
  }
  .button {
    width: 100%;
    text-align: center;
  }
}