*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: #fff;
  color: #000;
  font-family: Merriweather, Georgia, serif;
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0;
}

::selection {
  background: #000;
  color: #fff;
}

/* ── Main container ── */

main {
  max-width: 680px;
  padding: 3rem 1.5rem 5rem;
  margin-left: max(1.5rem, calc((100% - 680px) / 3));
}

/* ── Homepage ── */

.intro {
  margin-bottom: 2.5rem;
}

.intro h2 {
  font-family: Montserrat, sans-serif;
  font-size: 1.5rem;
  color: #000;
  margin: 0 0 0.75rem;
}

.intro p {
  margin: 0.5rem 0;
  color: #000;
}

.intro a {
  color: #000;
  text-decoration: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23999' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 6px;
  padding-bottom: 4px;
}

.intro a:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
}

.post-list-heading {
  font-family: Montserrat, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  margin: 2rem 0 0.75rem;
}

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

.post-list li {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0.35rem 0;
}

.post-list-date {
  font-size: 0.85rem;
  color: #777;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 6.5rem;
  text-align: right;
}

.post-list a {
  color: #000;
  font-weight: 400;
  text-decoration: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 -2 100 7' fill='none' stroke='%23ccc' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 6px;
  padding-bottom: 4px;
}

.post-list a:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 -2 100 7' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
}

/* ── Post ── */

.post-title {
  font-family: Montserrat, sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #000;
  text-transform: uppercase;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.post-date {
  font-family: Montserrat, sans-serif;
  font-size: 0.8rem;
  color: #777;
  margin: 0 0 2.5rem;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: Montserrat, sans-serif;
  margin-top: 2.5rem;
}

.post-content a {
  color: #000;
  font-weight: 400;
  text-decoration: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23999' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 6px;
  padding-bottom: 4px;
}

.post-content a:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: #f5f5f5;
  border-left: 4px solid #000;
  font-style: italic;
}

.post-content blockquote p {
  margin: 0;
}

.post-content img {
  display: block;
  margin: 2rem auto;
  max-width: 100%;
  border: 1px solid #eee;
}

.post-content code {
  background: #f5f5f5;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}

.post-content pre {
  background: #f5f5f5;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  border-radius: 3px;
}

.post-content pre code {
  background: none;
  padding: 0;
}

/* ── Post navigation ── */

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #ddd;
  font-family: Montserrat, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

.post-nav a {
  color: #000;
  text-decoration: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23999' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 6px;
  padding-bottom: 4px;
}

.post-nav a:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
}

.back-home {
  margin-top: 1.5rem;
  font-family: Montserrat, sans-serif;
  font-size: 0.85rem;
}

.back-home a {
  color: #777;
  text-decoration: none;
}

.back-home a:hover {
  color: #000;
}

/* ── Static pages (about, now) ── */

.page-title {
  font-family: Montserrat, sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #000;
  text-transform: uppercase;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.page-meta {
  font-family: Montserrat, sans-serif;
  font-size: 0.8rem;
  color: #777;
  margin: 0 0 2.5rem;
}

/* ── Responsive ── */

@media (max-width: 600px) {
  .post-title {
    font-size: 1.6rem;
  }

  .post-list li {
    flex-direction: column;
    gap: 0.15rem;
  }
}

/* ── Dark mode ── */

@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #e0e0e0;
  }

  ::selection {
    background: #e0e0e0;
    color: #111;
  }

  .intro h2,
  .intro p,
  .post-list-heading,
  .post-title,
  .page-title {
    color: #e0e0e0;
  }

  .post-list-date,
  .post-date,
  .page-meta {
    color: #888;
  }

  .intro a,
  .post-list a,
  .post-content a,
  .post-nav a {
    color: #e0e0e0;
  }

  .intro a,
  .post-content a,
  .post-nav a {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23666' stroke-width='1.5'/%3E%3C/svg%3E");
  }

  .intro a:hover,
  .post-content a:hover,
  .post-nav a:hover {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 3 100 7' fill='none' stroke='%23e0e0e0' stroke-width='1.5'/%3E%3C/svg%3E");
  }

  .post-list a {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 -2 100 7' fill='none' stroke='%23444' stroke-width='1.5'/%3E%3C/svg%3E");
  }

  .post-list a:hover {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q50 -2 100 7' fill='none' stroke='%23e0e0e0' stroke-width='1.5'/%3E%3C/svg%3E");
  }

  .back-home a {
    color: #888;
  }

  .back-home a:hover {
    color: #e0e0e0;
  }

  .post-content blockquote {
    background: #1a1a1a;
    border-left-color: #e0e0e0;
  }

  .post-content img {
    border-color: #333;
  }

  .post-content code {
    background: #1a1a1a;
  }

  .post-content pre {
    background: #1a1a1a;
  }

  .post-nav {
    border-top-color: #333;
  }
}