@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-400.ttf") format("truetype");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-600.ttf") format("truetype");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-700.ttf") format("truetype");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/source-serif-4-400.ttf") format("truetype");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/source-serif-4-600.ttf") format("truetype");
}

body {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  color: #111;
  background: #fff;
  line-height: 1.75;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

h1 {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 2.2rem;
  line-height: 1.3;
  letter-spacing: 0;
  margin: 0 0 8px;
}

h2 {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: 0;
  margin: 32px 0 12px;
}

p { margin: 0 0 16px; }
ul { padding-left: 20px; margin: 0 0 16px; }
li { margin-bottom: 8px; }

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.tagline,
strong,
.post-date,
.post-title,
.more {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.tagline {
  font-size: 1.05rem;
  color: #4b5563;
  margin-bottom: 20px;
}

.post {
  display: block;
  padding: 16px 20px;
  margin: 10px 0;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.post:hover {
  border-color: #2563eb;
  text-decoration: none;
}

.post-date {
  font-size: 0.85rem;
  color: #6b7280;
}

.post-title {
  font-weight: 600;
  color: #111;
}

.post-desc {
  font-size: 0.9rem;
  color: #4b5563;
  margin-top: 4px;
}

.more {
  font-size: 0.9rem;
  margin-top: 8px;
  display: inline-block;
}