@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("/assets/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: italic; font-weight: 400;
  font-display: swap; src: url("/assets/fonts/ibm-plex-sans-latin-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 700;
  font-display: swap; src: url("/assets/fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2");
}

:root {
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.blog-body {
  overflow-x: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(95,224,168,0.06), transparent 60%),
    var(--crt-bg);
}

.blog-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(8px);
  background: rgba(5,8,10,0.72);
  border-bottom: 1px solid var(--border);
}
.blog-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 66px;
}
.blog-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--display);
  font-size: 0.92rem;
}
.blog-nav .brand .mark { width: 26px; height: 26px; flex: 0 0 auto; }
.blog-nav .brand b { font-weight: 700; }
.blog-nav-link {
  font-size: var(--step-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.blog-nav-link:hover { color: var(--phosphor); }

@media (max-width: 640px) {
  .blog-nav .brand span { display: none; }
}

.blog-wrap { padding: clamp(2.4rem, 6vw, 4.5rem) 0 5rem; position: relative; z-index: 1; }
.blog-head { max-width: 640px; margin-bottom: clamp(2rem, 5vw, 3.4rem); }
.blog-head h1 {
  font-size: var(--step-3);
  margin: 0.8rem 0 1rem;
}
.blog-head p { font-family: var(--sans); color: var(--muted); font-size: var(--step-1); line-height: 1.7; }

.post-list {
  display: grid;
  gap: 1.4rem;
}
.post-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.6rem;
  align-items: center;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.post-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}
.post-card-media {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 1200 / 630;
}
.post-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.post-card-body h2 {
  font-size: var(--step-2);
  margin: 0.5rem 0 0.6rem;
  line-height: 1.15;
}
.post-card-excerpt { font-family: var(--sans); color: var(--muted); margin: 0 0 0.9rem; }

@media (max-width: 720px) {
  .post-card { grid-template-columns: 1fr; gap: 1rem; }
}

.article-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.article-tags .tag {
  font-size: var(--step-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--phosphor);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
}

.article-meta {
  font-size: var(--step-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.6rem) var(--gutter) 4rem;
  position: relative;
  z-index: 1;
}
.article-head { margin-bottom: 1.8rem; }
.article-head h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin: 1rem 0 1.1rem;
  line-height: 1.08;
}
.article-cover {
  margin: 0 0 2.6rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 24px 60px -30px rgba(95,224,168,0.4);
}
.article-cover img { display: block; width: 100%; height: auto; }

.prose { font-family: var(--sans); font-size: 1.09rem; line-height: 1.8; color: var(--bone); }
.prose > p { margin: 0 0 1.35rem; }
.prose h2 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--bone);
  margin: 2.6rem 0 1rem;
  padding-top: 0.4rem;
}
.prose h2::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 0.9rem;
  background: linear-gradient(90deg, var(--phosphor), transparent);
}
.prose strong { color: var(--bone); font-weight: 700; }
.prose em { color: var(--phosphor); font-style: italic; }
.prose a { color: var(--phosphor); text-decoration: underline; text-underline-offset: 3px; }

.prose :not(pre) > code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--phosphor);
  background: rgba(95,224,168,0.09);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.08em 0.42em;
}
.prose pre {
  margin: 1.7rem 0;
  padding: 1.15rem 1.3rem;
  background: #060B08;
  border: 1px solid var(--border);
  border-left: 2px solid var(--border-2);
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.65;
}
.prose pre code {
  font-family: var(--mono);
  color: #CFE9DA;
  white-space: pre;
}

.article-cta {
  margin-top: 3.2rem;
  padding: 1.8rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}
.article-cta p { font-family: var(--sans); margin: 0 0 1.2rem; color: var(--muted); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.blog-footer { border-top: 1px solid var(--border); margin-top: 4rem; padding: 2rem 0; }
.blog-footer .footer-bottom { color: var(--faint); font-size: var(--step-mono); }
.blog-footer .heart { color: var(--magenta); }