/*! @author Trần Thành (Tran Thanh) — labcare.com.vn · TT-LBC-2026 */

.mast {
  padding-top: clamp(40px, 5vw, 80px);
  padding-bottom: var(--s-9);
  border-bottom: 1px solid var(--line);
}
.mast__row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-7);
  flex-wrap: wrap;
}
.mast h1 {
  font-size: var(--fs-9);
  letter-spacing: -0.04em;
  line-height: 0.96;
}
.mast h1 em { font-style: italic; font-weight: 400; color: var(--text-mute); }
.mast__issue {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  text-align: right;
  line-height: 1.5;
  white-space: nowrap;
}
.mast__issue strong { display: block; color: var(--text); font-size: var(--fs-5); letter-spacing: 0; text-transform: none; font-family: var(--ff-display); font-weight: 600; margin-bottom: 4px; }

.feature {
  padding-block: var(--s-10);
}
.feature__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 1023px) { .feature__grid { grid-template-columns: 1fr; } }
.feature__media {
  aspect-ratio: 4 / 3;
  position: relative;
  background: var(--bg-card);
  border-radius: var(--r-3);
  overflow: hidden;
  border: 1px solid var(--line);
}
.feature__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature__media .ph { position: absolute; inset: 0; border-radius: 0; }
.feature__media .ph::after { border-radius: 0; }
.feature__meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-5);
}
.feature__meta strong { color: var(--text); font-weight: 500; }
.feature h2 {
  font-size: var(--fs-8);
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: var(--s-6);
}
.feature__lead {
  font-size: var(--fs-5);
  line-height: 1.55;
  color: var(--text-soft);
  max-width: 50ch;
}
.feature__byline {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-soft);
  border-top: 1px solid var(--line);
  padding-top: var(--s-4);
  margin-top: var(--s-7);
}
.feature__byline strong { color: var(--text); font-family: var(--ff-display); font-size: var(--fs-4); font-weight: 600; }

.topics {
  padding-block: var(--s-8);
  border-block: 1px solid var(--line);
}
.topics__inner {
  display: flex;
  gap: 0;
  align-items: center;
  flex-wrap: wrap;
}
.topic-cell {
  flex: 1 1 0;
  min-width: 160px;
  padding: var(--s-3) var(--s-5) var(--s-3) 0;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--text-soft);
  transition: color var(--t-fast) var(--ease);
}
.topic-cell:last-child { border-right: 0; }
.topic-cell:hover { color: var(--text); }
.topic-cell.is-active { color: var(--text); }
.topic-cell__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  color: var(--text-mute);
}
.topic-cell__name {
  font-family: var(--ff-display);
  font-size: var(--fs-5);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.topic-cell__count {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-mute);
  margin-top: 2px;
}

.mag {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
  padding-block: var(--s-10);
}
@media (max-width: 1023px) { .mag { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px)  { .mag { grid-template-columns: 1fr; } }

.art {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.art:hover {
  border-color: var(--line-strong);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.art__media {
  aspect-ratio: 16 / 10;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.art__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.art:hover .art__media img { transform: scale(1.03); }
.art__media .ph { position: absolute; inset: 0; border-radius: 0; }
.art__media .ph::after { border-radius: 0; }

.art__body {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  flex: 1;
}

.art__meta {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  gap: var(--s-3);
  align-items: center;
  padding: var(--s-4) var(--s-5) 0;
}
.art__meta strong { color: var(--text-soft); font-weight: 500; }

.art h3 {
  font-family: var(--ff-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text);
  padding-inline: var(--s-5);
}
.art p {
  font-size: var(--fs-4);
  color: var(--text-soft);
  line-height: 1.5;
  margin: 0;
  padding-inline: var(--s-5);
  padding-bottom: var(--s-5);
}
.art a { text-decoration: none; color: inherit; }
.art a:hover h3 { text-decoration: underline; text-underline-offset: 3px; }

.art.size-xl {
  grid-column: span 2;
}
.art.size-xl .art__media { aspect-ratio: 16 / 10; }
.art.size-xl h3 { font-size: var(--fs-7); }

.art.size-lg {
  grid-column: span 2;
}
.art.size-lg h3 { font-size: var(--fs-6); }

.art.size-md {
  grid-column: span 1;
}
.art.size-md h3 { font-size: var(--fs-5); }
.art.size-md .art__media { aspect-ratio: 3 / 2; }

.art.size-sm {
  grid-column: span 1;
}
.art.size-sm .art__media { display: none; }
.art.size-sm h3 { font-size: var(--fs-4); }
.art.size-sm .art__meta { padding-top: var(--s-5); }

.art.no-media { border-left: 3px solid var(--brand-primary); }
.art.no-media .art__meta { padding-top: var(--s-5); }
.art.no-media.size-xl { grid-column: span 1; grid-row: span 1; }
.art.no-media.size-lg { grid-column: span 1; }

@media (max-width: 1023px) {
  .art.size-xl { grid-column: span 2; grid-row: span 1; }
  .art.size-lg { grid-column: span 2; }
  .art.size-md { grid-column: span 1; }
  .art.size-sm { grid-column: span 1; }
}
@media (max-width: 767px) {
  .art.size-xl, .art.size-lg, .art.size-md, .art.size-sm { grid-column: span 1; grid-row: span 1; }
  .art.size-sm .art__media { display: block; aspect-ratio: 16/10; }
}

.news-band {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  padding: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 1023px) { .news-band { grid-template-columns: 1fr; } }
.news-band h2 {
  font-size: var(--fs-8);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: var(--s-3);
}
.news-band p { color: var(--text-soft); font-size: var(--fs-5); line-height: 1.55; max-width: 44ch; }
.news-band form { display: flex; gap: var(--s-2); margin-top: var(--s-5); }
.news-band input {
  flex: 1;
  height: 48px;
  padding: 0 var(--s-5);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-family: var(--ff-body);
  font-size: var(--fs-4);
  color: var(--text);
}
.news-band input:focus { outline: none; border-color: var(--text); }
.news-band__panel {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-3);
  padding: var(--s-6);
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-soft);
  line-height: 1.65;
}
.news-band__panel strong { display: block; color: var(--text); margin-bottom: var(--s-2); font-size: var(--fs-2); letter-spacing: 0.14em; text-transform: uppercase; font-family: var(--ff-mono); font-weight: 500; }