/* =====================================================================
   KỸ NĂNG VIỆT — TRANG TIN TỨC (Editorial UK/EU style)
   Prefix: knv-tt-*  |  Tokens: assets/css/design-system.css
   Layout: Bootstrap 5 grid + flex (no CSS grid, no min-width media)
   ===================================================================== */

/* ===== Eyebrow (category label gold caps) ===== */
.knv-tt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 14px;
  line-height: 1;
}
.knv-tt-eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background-color: var(--secondary);
}
.knv-tt-eyebrow--sm {
  font-size: 10.5px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  gap: 8px;
}
.knv-tt-eyebrow--sm::before {
  width: 18px;
}

/* ===== Meta row (date · read time) ===== */
.knv-tt-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1;
}
.knv-tt-meta--sm {
  font-size: 12.5px;
  gap: 6px;
}
.knv-tt-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.knv-tt-meta__item iconify-icon {
  font-size: 13px;
  color: var(--text-muted);
}
.knv-tt-meta__dot {
  color: var(--text-muted);
  opacity: 0.6;
  font-weight: 700;
}

/* =====================================================================
   1. HERO
   ===================================================================== */
.knv-tt-hero {
  position: relative;
  padding: 130px 0 90px;
  background: linear-gradient(
    135deg,
    var(--navy) 0%,
    var(--primary-dark) 60%,
    var(--primary) 100%
  );
  color: var(--white-color);
  overflow: hidden;
  isolation: isolate;
}
.knv-tt-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle at 20% 10%,
      rgba(196, 163, 90, 0.18),
      transparent 45%
    ),
    radial-gradient(
      circle at 90% 90%,
      rgba(196, 163, 90, 0.12),
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
}
.knv-tt-hero__ornament {
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(196, 163, 90, 0.18);
  pointer-events: none;
  z-index: -1;
}
.knv-tt-hero__ornament--tl {
  top: -110px;
  left: -110px;
  transform: rotate(45deg);
  border-radius: var(--radius-sm);
}
.knv-tt-hero__ornament--br {
  bottom: -110px;
  right: -110px;
  transform: rotate(45deg);
  border-radius: var(--radius-sm);
}

.knv-tt-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 48px;
}
.knv-tt-breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color var(--transition-base);
}
.knv-tt-breadcrumb a:hover {
  color: var(--secondary);
}
.knv-tt-breadcrumb__sep {
  color: rgba(255, 255, 255, 0.45);
}
.knv-tt-breadcrumb__current {
  color: var(--white-color);
  font-weight: 500;
}

.knv-tt-hero__inner {
  max-width: 760px;
  margin: 0 auto;
}
.knv-tt-hero__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 20px;
}
.knv-tt-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--white-color);
  margin: 0 0 24px;
}
.knv-tt-hero__rule {
  display: block;
  width: 64px;
  height: 2px;
  margin: 0 auto 28px;
  background-color: var(--secondary);
}
.knv-tt-hero__sub {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin: 0 auto;
}

/* =====================================================================
   2. FEATURED BLOCK
   ===================================================================== */
.knv-tt-featured {
  padding: 80px 0 0px;
  background-color: var(--bg);
}

/* ----- Featured card ----- */
.knv-tt-feat-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.knv-tt-feat-card__media {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
  margin-bottom: 28px;
  background-color: var(--surface-alt);
}
.knv-tt-feat-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.knv-tt-feat-card:hover .knv-tt-feat-card__media img {
  transform: scale(1.04);
}

.knv-tt-feat-card__body {
  display: flex;
  flex-direction: column;
}
.knv-tt-feat-card__title {
  font-family: var(--normal-font);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.3px;
  margin: 0 0 16px;
}
.knv-tt-feat-card__title a {
  color: var(--text-primary);
  text-decoration: none;
  background-image: linear-gradient(var(--primary), var(--primary));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition:
    color var(--transition-base),
    background-size var(--transition-slow);
  -webkit-transition:
    color var(--transition-base),
    background-size var(--transition-slow);
  -moz-transition:
    color var(--transition-base),
    background-size var(--transition-slow);
  -ms-transition:
    color var(--transition-base),
    background-size var(--transition-slow);
  -o-transition:
    color var(--transition-base),
    background-size var(--transition-slow);
}
.knv-tt-feat-card:hover .knv-tt-feat-card__title a {
  color: var(--primary);
  background-size: 100% 1px;
}
.knv-tt-feat-card__excerpt {
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.knv-tt-feat-card .knv-tt-meta {
  margin-bottom: 22px;
}

/* Read-more link */
.knv-tt-readmore {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--secondary);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition:
    color var(--transition-base),
    border-color var(--transition-base);
}
.knv-tt-readmore iconify-icon {
  font-size: 14px;
  transition: transform var(--transition-base);
}
.knv-tt-feat-card:hover .knv-tt-readmore,
.knv-tt-readmore:hover {
  color: var(--secondary-hover);
  border-bottom-color: var(--secondary-hover);
}
.knv-tt-feat-card:hover .knv-tt-readmore iconify-icon {
  transform: translateX(5px);
}

/* ----- Sub stack ----- */
.knv-tt-sub-stack {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: flex-start;
  padding-top: 4px;
}
.knv-tt-sub-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.knv-tt-sub-card__media {
  flex: 0 0 40%;
  max-width: 40%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--surface-alt);
}
.knv-tt-sub-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.knv-tt-sub-card:hover .knv-tt-sub-card__media img {
  transform: scale(1.05);
}

.knv-tt-sub-card__body {
  flex: 1 1 auto;
  min-width: 0;
}
.knv-tt-sub-card__title {
  font-family: var(--normal-font);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.knv-tt-sub-card__title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}
.knv-tt-sub-card:hover .knv-tt-sub-card__title a {
  color: var(--primary);
}

.knv-tt-sub-divider {
  height: 1px;
  background-color: var(--border);
  margin: 24px 0;
}

/* =====================================================================
   3. GRID SECTION
   ===================================================================== */
.knv-tt-grid {
  padding: 45px 0 90px;
  background-color: var(--bg);
}
.knv-tt-section-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 56px;
}
.knv-tt-section-head__line {
  display: inline-block;
  width: 48px;
  height: 1px;
  background-color: var(--secondary);
}
.knv-tt-section-head__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--secondary);
}

/* ----- Editorial card ----- */
.knv-tt-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition-base);
}
.knv-tt-card:hover {
  transform: translateY(-4px);
}

.knv-tt-card__media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  background-color: var(--surface-alt);
}
.knv-tt-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.knv-tt-card:hover .knv-tt-card__media img {
  transform: scale(1.06);
}

.knv-tt-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}
.knv-tt-card__title {
  font-family: var(--normal-font);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.2px;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.knv-tt-card__title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}
.knv-tt-card:hover .knv-tt-card__title a {
  color: var(--primary);
}
.knv-tt-card .knv-tt-meta {
  margin-top: auto;
}

/* =====================================================================
   4. PAGINATION
   ===================================================================== */
.knv-tt-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 72px;
}
.knv-tt-pg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-fast);
}
.knv-tt-pg:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}
.knv-tt-pg--active,
.knv-tt-pg--active:hover {
  background-color: var(--navy);
  color: var(--white-color);
  border-color: var(--navy);
  cursor: default;
}
.knv-tt-pg--prev,
.knv-tt-pg--next {
  gap: 8px;
  padding: 0 18px;
  border-radius: 22px;
}
.knv-tt-pg--prev iconify-icon,
.knv-tt-pg--next iconify-icon {
  font-size: 13px;
}
.knv-tt-pg--ellipsis {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: default;
  min-width: 28px;
  height: 44px;
}
.knv-tt-pg--ellipsis:hover {
  transform: none;
  color: var(--text-muted);
}

.wave-divider--footer-top path {
  fill: var(--bg) !important;
}

/* =====================================================================
   RESPONSIVE (max-width only — per project rule)
   ===================================================================== */

/* Tablet (≤991.98px): Featured stacks, sub becomes 2 columns; hide 3rd sub */
@media (max-width: 991.98px) {
  .knv-tt-desktop-only {
    display: none;
  }
  .knv-tt-hero {
    padding: 130px 0 70px;
  }
  .knv-tt-breadcrumb {
    margin-bottom: 36px;
  }
  .knv-tt-hero__ornament {
    width: 160px;
    height: 160px;
  }
  .knv-tt-hero__ornament--tl {
    top: -80px;
    left: -80px;
  }
  .knv-tt-hero__ornament--br {
    bottom: -80px;
    right: -80px;
  }

  .knv-tt-featured {
    padding: 64px 0 24px;
  }
  .knv-tt-feat-card__media {
    margin-bottom: 22px;
  }
  .knv-tt-feat-card {
    margin-bottom: 0px;
  }

  /* Sub stack chuyển từ vertical stack → 2 cột ngang */
  .knv-tt-sub-stack {
    flex-direction: row;
    gap: 24px;
    padding-top: 0;
  }
  .knv-tt-sub-card {
    flex: 1 1 0;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
  }
  .knv-tt-sub-card__media {
    flex: 0 0 auto;
    max-width: 100%;
    aspect-ratio: 16 / 9;
  }
  .knv-tt-sub-divider {
    display: none;
  }

  .knv-tt-grid {
    padding: 30px 0 20px;
  }
  .knv-tt-section-head {
    margin-bottom: 44px;
  }
}

/* Mobile (≤768px): everything stacks; sub card vertical */
@media (max-width: 768px) {
  .knv-tt-hero {
    padding: 70px 0 60px;
  }
  .knv-tt-hero__title {
    letter-spacing: -0.3px;
  }
  .knv-tt-hero__sub {
    font-size: 16px;
  }
  .knv-tt-breadcrumb {
    margin-bottom: 28px;
    font-size: 12.5px;
  }

  .knv-tt-featured {
    padding: 56px 0 16px;
  }
  .knv-tt-feat-card {
    margin-bottom: 0px;
  }
  .knv-tt-feat-card__title {
    font-size: clamp(22px, 5vw, 26px);
  }
  .knv-tt-feat-card__excerpt {
    font-size: 15px;
    -webkit-line-clamp: 4;
  }

  .knv-tt-sub-stack {
    flex-direction: column;
    gap: 0;
  }
  .knv-tt-sub-card {
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
  }
  .knv-tt-sub-card:last-child {
    margin-bottom: 0;
  }
  .knv-tt-sub-card__media {
    max-width: 100%;
    aspect-ratio: 16 / 9;
  }

  .knv-tt-grid {
    padding: 32px 0 64px;
  }
  .knv-tt-section-head {
    margin-bottom: 36px;
    gap: 14px;
  }
  .knv-tt-section-head__line {
    width: 36px;
  }
  .knv-tt-section-head__label {
    font-size: 11.5px;
    letter-spacing: 3px;
  }

  .knv-tt-card__title {
    font-size: 19px;
  }
  .knv-tt-card__media {
    margin-bottom: 16px;
  }

  .knv-tt-pagination {
    margin-top: 56px;
    gap: 6px;
  }
  .knv-tt-pg {
    min-width: 40px;
    height: 40px;
    font-size: 13.5px;
    padding: 0 10px;
  }
  .knv-tt-pg--prev .knv-tt-pg__label,
  .knv-tt-pg--next .knv-tt-pg__label {
    display: none;
  }
  .knv-tt-pg--prev,
  .knv-tt-pg--next {
    padding: 0 12px;
    min-width: 40px;
  }
}

/* Mobile small (≤576px): grid to 1 column, hide middle pagination numbers */
@media (max-width: 576px) {
  .knv-tt-hero {
    padding: 120px 0px 52px;
  }
  .knv-tt-hero__title {
    font-size: clamp(26px, 7vw, 32px);
  }
  .knv-tt-hero__sub {
    font-size: 15.5px;
    line-height: 1.65;
  }
  .knv-tt-hero__rule {
    width: 52px;
    margin-bottom: 22px;
  }
  .knv-tt-hero__label {
    font-size: 11px;
    letter-spacing: 3px;
    margin-bottom: 16px;
  }

  .knv-tt-featured {
    padding: 48px 0 12px;
  }
  .knv-tt-grid {
    padding: 28px 0 30px;
  }
  .knv-tt-section-head {
    margin-bottom: 32px;
  }

  .knv-tt-card__title {
    font-size: 18.5px;
  }

  .knv-tt-pg--hide-sm {
    display: none;
  }
}

/* Very small (≤350px) */
@media (max-width: 350px) {
  .knv-tt-hero {
    padding: 52px 0 44px;
  }
  .knv-tt-hero__title {
    font-size: 24px;
  }
  .knv-tt-feat-card__title {
    font-size: 21px;
  }
  .knv-tt-card__title {
    font-size: 17.5px;
  }
  .knv-tt-meta {
    gap: 6px;
    font-size: 12px;
  }
  .knv-tt-pg {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
    padding: 0 8px;
  }
}