/* Blog index / archive — D3 styling (matches static site design system) */
.blog-hero { padding: 80px 0 56px; position: relative; overflow: hidden; }
.blog-hero::before {
  content: ''; position: absolute; inset: 0; opacity: 0.6;
  background: radial-gradient(ellipse 60% 50% at 80% 10%, var(--accent-soft), transparent 60%);
}
.blog-hero > div { position: relative; }
h1.blog-h1 { font-size: 96px; line-height: 0.92; font-weight: 500; letter-spacing: -0.05em; margin: 0; }

.filter-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 48px 0 32px;
}
.filter-bar .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); margin-right: 8px; }
.tag {
  padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: var(--bg-card); border: 1px solid var(--line);
  color: var(--text-mute); cursor: pointer; transition: all .15s;
  font-family: var(--sans); text-decoration: none; display: inline-block;
}
.tag:hover { color: var(--text); border-color: var(--line-s); }
.tag.active { background: var(--text); color: var(--bg); border-color: var(--text); }

.feature-card {
  position: relative; overflow: hidden;
  background: var(--bg-alt); border: 1px solid var(--line-s);
  border-radius: 24px; padding: 40px; margin-bottom: 56px;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
  text-decoration: none; color: inherit;
}
.feature-card::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-soft), transparent 60%);
  filter: blur(40px); pointer-events: none;
}
.feature-card > * { position: relative; }
.feature-card .feature-img {
  aspect-ratio: 4/3; border-radius: 16px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg)),
              repeating-linear-gradient(135deg, transparent 0 14px, var(--line) 14px 15px);
  background-blend-mode: overlay;
  border: 1px solid var(--line);
  background-size: cover; background-position: center;
  position: relative;
  display: flex; align-items: flex-end; padding: 16px;
}
.feature-card .feature-img.placeholder::after {
  content: '[ feature image · 4:3 ]';
  font-family: var(--mono); font-size: 11px; color: var(--text-dim);
}
.feature-tag {
  display: inline-flex; align-items: center; padding: 6px 12px;
  border-radius: 999px; background: var(--accent-soft);
  color: var(--accent); font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; font-weight: 600;
  margin-bottom: 20px;
}
.feature-title {
  font-size: 44px; line-height: 1.05; font-weight: 600; letter-spacing: -0.03em; margin: 0 0 20px;
}
.feature-excerpt { font-size: 17px; color: var(--text-mute); line-height: 1.55; margin: 0 0 28px; }
.feature-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-mute); flex-wrap: wrap; }
.feature-meta .author {
  width: 32px; height: 32px; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), oklch(0.6 0.24 320));
  background-size: cover; background-position: center;
}

.post-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 56px;
}
.post-card {
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: 20px;
  padding: 28px; min-height: 360px; text-decoration: none; color: inherit;
  display: flex; flex-direction: column; transition: transform .2s, border-color .2s;
}
.post-card:hover { border-color: var(--line-s); transform: translateY(-2px); }
.post-thumb {
  aspect-ratio: 16/9; border-radius: 12px; margin-bottom: 20px;
  background: var(--bg-card);
  background-image: repeating-linear-gradient(135deg, transparent 0 10px, var(--line) 10px 11px);
  background-size: cover; background-position: center;
  border: 1px solid var(--line); position: relative;
}
.post-thumb.placeholder::after {
  content: attr(data-label); font-family: var(--mono); font-size: 10px; color: var(--text-dim);
  position: absolute; bottom: 10px; left: 12px; letter-spacing: 0.06em;
}
.post-tag {
  display: inline-flex; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; font-weight: 600;
  text-transform: uppercase; margin-bottom: 16px; align-self: flex-start;
  text-decoration: none;
}
.post-title {
  font-size: 22px; font-weight: 600; line-height: 1.2; letter-spacing: -0.025em;
  margin: 0 0 14px; flex: 1;
}
.post-excerpt { font-size: 14px; color: var(--text-mute); line-height: 1.55; margin: 0 0 20px; }
.post-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 16px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; color: var(--text-dim);
}

.pagination {
  display: flex; justify-content: center; gap: 8px; margin: 32px 0 56px;
}
.page-btn {
  min-width: 40px; height: 40px; padding: 0 4px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-alt); border: 1px solid var(--line);
  color: var(--text-mute); font-size: 14px; cursor: pointer;
  text-decoration: none;
}
.page-btn.active, .page-btn.current { background: var(--text); color: var(--bg); border-color: var(--text); }

.subscribe {
  background: linear-gradient(160deg, var(--bg-alt), var(--bg));
  border: 1px solid var(--line-s); border-radius: 28px;
  padding: 56px; margin: 0 0 56px; text-align: center;
  position: relative; overflow: hidden;
}
.subscribe::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, var(--accent-soft), transparent 60%);
  opacity: 0.7;
}
.subscribe > * { position: relative; }
.subscribe h2 { font-size: 48px; max-width: 720px; margin: 0 auto 16px; }
.subscribe p { font-size: 17px; color: var(--text-mute); max-width: 540px; margin: 0 auto 28px; line-height: 1.5; }
.subscribe form {
  display: flex; gap: 8px; max-width: 480px; margin: 0 auto;
  background: var(--bg); border: 1px solid var(--line-s); border-radius: 999px; padding: 6px;
}
.subscribe input {
  flex: 1; background: transparent; border: none; outline: none;
  padding: 0 18px; color: var(--text); font-size: 15px; font-family: var(--sans);
}
.subscribe button {
  padding: 12px 22px; background: var(--accent); color: var(--bg);
  border: none; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: var(--sans);
}
.subscribe .sub-done { padding: 14px 22px; color: var(--accent); font-size: 14px; display: none; }

.empty-state { padding: 80px 0; text-align: center; color: var(--text-mute); font-size: 17px; }