:root {
  --bg: #f6f7f4;
  --text: #1f2933;
  --muted: #5f6c76;
  --line: #d9dee3;
  --link: #001882;
  --link-soft-bg: #e8ecff;
  --link-soft-border: #b8c6ff;
  --link-soft-hover: #dbe3ff;
  --code-bg: #e9eeea;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

h1, h2, h3 {
  line-height: 1.2;
  margin-top: 2rem;
}

h1 {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.4rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.project-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-top: 1.25rem;
}

.project-head h3 {
  margin: 0;
}

.project-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

.project-media {
  margin: 0.75rem 0 1rem;
}

.project-media--one-third {
  width: 33.333%;
  min-width: 200px;
  margin-left: auto;
  margin-right: auto;
}

.project-media img,
.project-media video {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #e3e8e4;
}

.project-media img {
  object-fit: cover;
}

.project-media video {
  object-fit: contain;
  background: #111;
}

.project-media figcaption {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.9rem 0 0;
}

.project-description {
  margin-top: 1rem;
}

.project-description summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  color: var(--link);
  font-weight: 600;
  list-style: none;
}

.project-description summary::-webkit-details-marker {
  display: none;
}

.project-description summary::before {
  content: "▾";
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.project-description[open] summary::before {
  transform: rotate(180deg);
}

.project-description > *:not(summary) {
  margin-top: 0.85rem;
}

.project-link-groups {
  margin: 0.8rem 0 0;
}

.project-link-groups li {
  margin-bottom: 1rem;
}

.project-link-groups li:last-child {
  margin-bottom: 0;
}

.project-link-groups .project-links {
  margin-top: 0.45rem;
}

.project-links a {
  display: inline-block;
  color: var(--link);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--link-soft-border);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  background: var(--link-soft-bg);
}

.project-links a:hover {
  text-decoration: none;
  border-color: var(--link);
  background: var(--link-soft-hover);
}

.project-links a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .project-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }

  .project-media--one-third {
    width: 100%;
    min-width: 0;
  }
}

p, ul {
  color: var(--muted);
}

p {
  text-align: justify;
}

ul {
  padding-left: 1.2rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.social-links svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

code {
  background: var(--code-bg);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}