/* Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #C9FFD1;
  color: #111;
  line-height: 1.6;
}

/* Sidebar */
.sidenav {
  height: 100%;
  width: 220px;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #f2f2f2;
  padding-top: 20px;
  transition: 0.3s;
  box-shadow: 2px 0 6px rgba(0,0,0,0.1);
  overflow-y: auto;
}

.sidenav img {
  display: block;
  margin: 0 auto 20px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.sidenav a {
  display: block;
  padding: 12px 20px;
  color: #111;
  text-decoration: none;
  font-weight: 500;
}

.sidenav a:hover,
.sidenav a.active {
  background-color: #c9ffd1;
  border-left: 4px solid #333;
  padding-left: 16px;
}

/* Content */
.content {
  margin-left: 240px;
  padding: 40px;
  max-width: 1000px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 10px;
  border-bottom: 2px solid #89a38d;
  padding-bottom: 5px;
}

li {
  font-size: 1.15rem;
  margin-top: 10px;
  font-weight: bold;
}

p {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

a {
  color: #006699;
}

/* Links Row */
.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0;
}

.links-row p {
  margin: 0;
}

/* Footer */
footer {
  margin-top: 60px;
  padding: 20px;
  background: #f2f2f2;
  text-align: center;
  font-size: 0.85rem;
  color: #555;
}

/* Responsive */
@media (max-width: 768px) {
  .sidenav {
    width: 100%;
    height: auto;
    position: relative;
    box-shadow: none;
  }

  .sidenav img {
    width: 100px;
    height: 100px;
  }

  .sidenav a {
    display: inline-block;
    padding: 10px;
  }

  .content {
    margin-left: 0;
    padding: 20px;
  }
}

body.homepage {
  --ink: #202826;
  --muted: #52605a;
  --link: #14634d;
  --line: #d4dfd9;
  font-family: Georgia, "Times New Roman", serif;
  background: linear-gradient(180deg, #edf5f0 0, #fafcfb 420px);
  color: var(--ink);
  letter-spacing: 0;
}

.homepage .page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.homepage a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.homepage a:hover {
  color: #8b303d;
}

.homepage a:focus-visible {
  outline: 3px solid #8b303d;
  outline-offset: 4px;
}

.homepage .skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  background: #fff;
  padding: 8px 12px;
  z-index: 1;
}

.homepage .skip-link:focus {
  transform: translateY(0);
}

.homepage .introduction {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: start;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.homepage .profile-photo {
  display: block;
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 4px;
}

.homepage h1 {
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 8px;
}

.homepage .tagline {
  font-size: 1.25rem;
  margin: 0 0 20px;
}

.homepage p {
  font-size: 1.0625rem;
  margin: 0 0 12px;
}

.homepage .bio p:not(.tagline):not(.profile-links) {
  text-align: justify;
  hyphens: auto;
}

.homepage .profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 20px;
}

.homepage .home-columns {
  display: grid;
  grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
  gap: 56px;
  padding-top: 32px;
}

.homepage h2 {
  font-size: 1.625rem;
  line-height: 1.3;
  font-weight: 500;
  margin: 0 0 24px;
  padding: 0;
  border: 0;
}

.homepage .left-column > section + section {
  margin-top: 32px;
}

.homepage .group-heading {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 28px 0 16px;
}

.homepage h2 + .group-heading {
  margin-top: 0;
}

.homepage .entry-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.homepage .entry-list > li {
  margin: 0;
  font-size: 1rem;
  font-weight: normal;
}

.homepage .entry {
  padding: 0 0 20px;
  margin: 0 0 20px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.homepage h4 {
  font-size: 1.125rem;
  line-height: 1.45;
  font-weight: 600;
  margin-bottom: 8px;
  overflow-wrap: anywhere;
}

.homepage .entry > time,
.homepage .authors,
.homepage .venue {
  color: var(--muted);
  font-size: 0.9375rem;
}

.homepage .authors {
  color: var(--ink);
}

.homepage .entry > time {
  display: block;
  margin-bottom: 8px;
}

.homepage .entry p:last-child {
  margin-bottom: 0;
}

.homepage .section-link {
  font-size: 1rem;
}

.homepage .markdown-section img {
  display: block;
  width: 100%;
  height: auto;
}

.homepage .markdown-section hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 20px 0;
}

.homepage .markdown-section > p > time:only-child {
  color: var(--muted);
  font-size: 0.9375rem;
}

.homepage .markdown-section > .group-heading:first-child {
  margin-top: 0;
}

.homepage .markdown-section h4 {
  scroll-margin-top: 24px;
}

.homepage .profile-links {
  align-items: center;
}

.homepage .updates-page {
  max-width: 760px;
  padding-top: 32px;
}

.homepage footer {
  margin-top: 40px;
  padding: 24px 24px;
  background: transparent;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.homepage footer p {
  font-size: 0.875rem;
  margin: 0;
}

@media (max-width: 720px) {
  .homepage .page {
    padding: 32px 16px 0;
  }

  .homepage .introduction {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-bottom: 28px;
  }

  .homepage .profile-photo {
    width: 140px;
    height: 140px;
  }

  .homepage h1 {
    font-size: 2.125rem;
  }

  .homepage .home-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 28px;
  }
}