.fp .fp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(40px, 5vw, 56px);
}
.fp .fp-filter button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fp-ink2);
  border: 1px solid var(--fp-line);
  border-radius: 100px;
  padding: 9px 18px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}
.fp .fp-filter button:hover {
  border-color: var(--fp-ink);
  color: var(--fp-ink);
}
.fp .fp-filter button.active {
  background: var(--fp-ink);
  color: #fff;
  border-color: var(--fp-ink);
}

/* list page block padding */
.fp .fp-listpage {
  padding: clamp(56px, 7vw, 88px) 0 clamp(96px, 12vw, 150px);
}

/* empty state */
.fp .fp-empty {
  padding: 48px 0;
  color: var(--fp-ink2);
}

/* ---- single article ---- */
.fp .fp-article {
  padding: clamp(120px, 16vh, 180px) 0 clamp(64px, 8vw, 100px);
}
.fp .fp-artwrap {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 var(--fp-pad);
}
.fp .fp-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fp-ink2);
}
.fp .fp-meta-line .fp-cat {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--fp-line);
  color: var(--fp-ink2);
}
.fp .fp-meta-line .fp-cat.education {
  background: var(--fp-ink);
  color: #fff;
  border-color: var(--fp-ink);
}
.fp .fp-art-title {
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.5;
  letter-spacing: 0.005em;
  margin-top: 18px;
}
.fp .fp-cover {
  margin-top: 36px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--fp-line);
}
.fp .fp-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.fp .fp-article .fp-prose {
  margin-top: 40px;
  max-width: none;
}

/* article foot: share + back */
.fp .fp-art-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--fp-line);
}
.fp .fp-share {
  display: flex;
  align-items: center;
  gap: 14px;
}
.fp .fp-share > span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fp-ink3);
}
.fp .fp-share a {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--fp-line);
  border-radius: 100px;
  font-size: 14px;
  color: var(--fp-ink);
  transition: all 0.2s;
}
.fp .fp-share a:hover {
  background: var(--fp-ink);
  color: #fff;
  border-color: var(--fp-ink);
}
.fp .fp-art-foot .fp-back {
  margin-top: 0;
}

/* prev / next nav */
.fp .fp-artnav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--fp-line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--fp-line);
}
.fp .fp-artnav a,
.fp .fp-artnav > span {
  background: #fff;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 84px;
  justify-content: center;
}
.fp .fp-artnav .next {
  text-align: right;
}
.fp .fp-artnav .dir {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fp-ink3);
}
.fp .fp-artnav a .title {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fp-ink);
}
.fp .fp-artnav a:hover .title {
  color: var(--fp-ink2);
}

/* related news */
.fp .fp-related {
  padding: clamp(72px, 9vw, 120px) 0;
  background: var(--fp-panel);
}
.fp .fp-related h2 {
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 26px);
  margin-bottom: 40px;
}
.fp .fp-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fp .fp-related-grid a {
  display: block;
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 4px;
  padding: 26px 24px;
  transition: transform 0.3s;
}
.fp .fp-related-grid a:hover {
  transform: translateY(-4px);
}
.fp .fp-related-grid .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fp-ink2);
  margin-bottom: 14px;
}
.fp .fp-related-grid .meta .cat.education {
  color: var(--fp-ink);
  font-weight: 500;
}
.fp .fp-related-grid .title {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fp-ink);
}

@media (max-width: 760px) {
  .fp .fp-related-grid {
    grid-template-columns: 1fr;
  }
  .fp .fp-artnav {
    grid-template-columns: 1fr;
  }
  .fp .fp-artnav .next {
    text-align: left;
  }
}