:root {
  --tagline-border-top-color: #d3d3d3;
  --tagline-border-bottom-color: #d5d5d5;
  --project-in-progress-color: rgb(255, 123, 0);
  --background-white-color: #fff;
  --profile-image-border-color: #ccc;
  --body-dark-mode-blue-font-color: #90caf9;
  --body-light-mode-blue-font-color: #0077cc;
  --body-black-font-color: #333;
  --footer-gray-font-color: #777;
  --dark-mode-toggle-button-background-color: #f2f2f2;
  --dark-mode-body-background-color: #121212;
  --dark-mode-body-toggle-background-color: #2c2c2c;
  --dark-mode-body-toggle-border-color: #666;
  --dark-mode-body-color: #e0e0e0;
}

/* Reset + Base */
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-white-color);
  color: var(--body-black-font-color);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header: Name and Tagline */
.intro h1 {
  margin: 0;
  font-size: 2.5rem;
}

.tagline {
  margin: 0.5rem 0 0 0;
  font-size: 1.2rem;
  color: var(--body-black-font-color);
  border-top: 1px solid var(--tagline-border-top-color);
  border-bottom: 1px solid var(--tagline-border-bottom-color);
  padding: 10px 0;
}

/* About Section Layout */
.about {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.profile-img {
  border: 1px solid var(--profile-image-border-color);
  padding: 3px;
  display: inline-block;
  background-color: var(--background-white-color);
}

/* .profile-img img {
  width: 180px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
} */

.profile-img img {
  display: block;
  width: 180px;
  height: auto;
  border-radius: 0;
}

.bio {
  flex: 1;
}

h2 {
  margin-top: 0;
}

/* Sections */
section {
  margin-bottom: 2.5rem;
}

ul {
  padding-left: 1.5rem;
}

a {
  color: var(--body-light-mode-blue-font-color);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  text-align: center;
  /* padding-top: 2rem; */
  color: var(--footer-gray-font-color);
  font-size: 0.9rem;
}

/* Dark Mode Toggle Button */
#dark-mode-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--dark-mode-toggle-button-background-color);
  border: 1px solid var(--profile-image-border-color);
  padding: 0.5rem 0.7rem;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  z-index: 1000;
}

/* Dark Mode Styles */
body.dark-mode {
  background-color: var(--dark-mode-body-background-color);
  color: var(--dark-mode-body-color);
}

body.dark-mode a {
  color: var(--body-dark-mode-blue-font-color);
}

body.dark-mode #dark-mode-toggle {
  background-color: var(--dark-mode-body-toggle-background-color);
  color: var(--background-white-color);
  border-color: var(--dark-mode-body-toggle-border-color);
}

.tagline.dark-mode {
  color: var(--dark-mode-body-color);
}

.footer {
  font-size: 18px;
  border-top: 1px solid var(--tagline-border-top-color);
  border-bottom: 1px solid var(--tagline-border-bottom-color);
  padding: 10px 0;
}

.experience p > strong {
  font-size: 1.1rem;
}

.indent {
  margin-left: 2%;
}

.project-in-progress {
  color: var(--project-in-progress-color);
}
@media (max-width: 768px) {
  .about {
    flex-direction: column;
    align-items: center;
    text-align: left;
  }

  .profile-img {
    width: auto;
    max-width: 100%;
    display: flex;
    justify-content: center;
    padding: 3px;
    border: 1px solid var(--profile-image-border-color);
    background-color: var(--background-white-color);
  }

  .profile-img img {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    border-radius: 0;
  }

  .bio {
    width: 100%;
  }
}