/* =========================================================
   Shared inner-page layout
   One full-width hero and one horizontal content rhythm.
========================================================= */

.iu-page-hero {
  position: relative;
  overflow: hidden;
  min-height: 350px;
  color: #fff;
  background: #082b6f;
}

.iu-page-hero__media,
.iu-page-hero__overlay {
  position: absolute;
  inset: 0;
}

.iu-page-hero__media {
  background-position: center right;
  background-repeat: no-repeat;
  background-size: cover;
}

.iu-page-hero__overlay {
  background:
    linear-gradient(
      112deg,
      rgba(2, 38, 104, 1) 0%,
      rgba(3, 53, 139, 0.98) 36%,
      rgba(4, 71, 164, 0.62) 54%,
      rgba(255, 255, 255, 0) 54.2%
    ),
    linear-gradient(
      90deg,
      rgba(3, 38, 104, 0.92) 0%,
      rgba(3, 38, 104, 0.46) 48%,
      rgba(3, 38, 104, 0.06) 100%
    );
}

.iu-page-hero::after {
  content: "";
  position: absolute;
  bottom: 32px;
  left: 55px;
  width: 120px;
  height: 84px;
  opacity: 0.7;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.18) 1.5px, transparent 1.5px);
  background-size: 14px 14px;
}

.iu-page-hero > .container {
  position: relative;
  z-index: 2;
}

.iu-page-hero__inner {
  display: flex;
  align-items: center;
  min-height: 350px;
  padding: 42px 0;
}

.iu-page-hero__copy {
  max-width: 720px;
  color: #fff;
}

.iu-page-hero__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.015em;
}

.iu-page-hero__breadcrumb a,
.iu-page-hero__breadcrumb strong {
  color: inherit;
  text-decoration: none;
}

.iu-page-hero__breadcrumb strong {
  color: #fff;
}

.iu-page-hero__eyebrow {
  margin: 0 0 13px;
  color: #8fd8ff;
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.iu-page-hero h1 {
  max-width: 1050px;
  margin: 0;
  color: #fff;
  font-size: clamp(3.1rem, 5.2vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.95;
  text-transform: uppercase;
}

.iu-page-hero--compact h1 {
  font-size: clamp(3.1rem, 5.2vw, 5rem);
  line-height: 0.95;
}

.iu-page-hero--compact .iu-page-hero__breadcrumb {
  margin-bottom: 28px;
}

.iu-page-hero--compact .iu-page-hero__description {
  margin-top: 24px;
  line-height: 1.75;
}

.iu-page-hero--article h1 {
  font-size: clamp(2.25rem, 4vw, 3.85rem);
  line-height: 1.08;
  text-transform: none;
}

.iu-page-hero__description {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.03rem;
  line-height: 1.75;
}

.iu-page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.iu-page-hero__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.11);
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.iu-readable {
  width: min(100%, 1180px);
  margin-inline: auto;
}

.iu-standard-content {
  padding: clamp(48px, 6vw, 86px) 0;
}

@media (max-width: 900px) {
  .iu-page-hero,
  .iu-page-hero__inner {
    min-height: 320px;
  }

  .iu-page-hero__overlay {
    background: linear-gradient(90deg, rgba(2, 38, 104, 0.96), rgba(2, 38, 104, 0.72));
  }

  .iu-page-hero h1,
  .iu-page-hero--compact h1,
  .iu-page-hero--article h1 {
    font-size: 3rem;
  }
}

@media (max-width: 640px) {
  .iu-page-hero__inner {
    padding: 30px 0;
  }

  .iu-page-hero__breadcrumb {
    margin-bottom: 20px;
    font-size: 0.72rem;
  }

  .iu-page-hero h1,
  .iu-page-hero--article h1 {
    font-size: 2.35rem;
  }

  .iu-page-hero--compact h1 {
    font-size: 2.35rem;
  }

  .iu-page-hero__description {
    margin-top: 18px;
    font-size: 0.92rem;
    line-height: 1.55;
  }

  .iu-page-hero__meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   Student pages (/sinh-vien/*)
   Inherited from style.css so these rules ship with every page
   (style.css is only enqueued on the introduction-pages branch).
   ============================================================ */

.iu-page-hero--compact + .student-nav-section .student-nav-grid {
  margin-top: 12px;
}

.student-parent-page {
  padding-top: 0;
}

.student-support-page,
.student-faq-page,
.student-affairs-page,
.student-activities-page,
.student-career-page,
.student-awards-page,
.student-health-page,
.student-regulations-page,
.student-dormitory-page {
  padding-top: 0;
}

.student-support-section {
  padding: 20px 0 64px;
}

.support-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.support-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .support-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .support-grid-2,
  .support-grid-3 {
    grid-template-columns: 1fr;
  }
}

.support-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.subcategory-block,
.faq-column {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.support-category-header,
.subcategory-header {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
}

.support-category-header h2,
.subcategory-header h2 {
  margin: 0 0 8px;
  color: var(--iu-blue-950);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.support-category-title-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease;
  padding-right: 26px;
}

.support-category-title-link::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95em;
  color: var(--iu-blue-700);
  transition: transform 0.18s ease;
}

.support-category-title-link:hover {
  color: var(--iu-blue-700);
}

.support-category-title-link:hover::after {
  transform: translate(3px, -50%);
}

.support-category-footer {
  margin-top: 14px;
}

.support-view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--iu-blue-700);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.support-view-all:hover {
  color: var(--iu-blue-900);
  text-decoration: underline;
}

.support-category-header p,
.subcategory-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.support-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.support-post-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.support-post-item a:hover {
  background: var(--iu-blue-50, rgba(11, 94, 215, 0.06));
  color: var(--iu-blue-900);
  transform: translateX(3px);
}

.support-post-bullet {
  flex-shrink: 0;
  color: var(--iu-blue-700);
  font-size: 0.7rem;
  line-height: 1;
}

.support-post-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-no-posts {
  padding: 14px 16px;
  border: 1px dashed var(--border-soft);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.support-no-posts p {
  margin: 0;
}

.student-faq-section {
  padding: 48px 0 64px;
}

.student-subcategory-section {
  padding: 48px 0 64px;
}

.student-regulations-section {
  padding: 48px 0 64px;
}

.faq-grid {
  display: grid;
  gap: 24px;
}

.faq-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.faq-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.faq-grid-1 {
  grid-template-columns: 1fr;
}

.faq-column {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.faq-header {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
}

.faq-header h2 {
  margin: 0 0 8px;
  color: var(--iu-blue-950);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.faq-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.faq-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-post-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease;
}

.faq-post-item a:hover {
  background: var(--iu-blue-50, rgba(11, 94, 215, 0.06));
  color: var(--iu-blue-900);
  transform: translateX(3px);
}

.faq-post-bullet {
  flex-shrink: 0;
  color: var(--iu-blue-700);
  font-size: 0.7rem;
  line-height: 1;
}

.faq-post-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.faq-no-posts {
  padding: 14px 16px;
  border: 1px dashed var(--border-soft);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.faq-no-posts p {
  margin: 0;
}

.student-regulations-section,
.student-dormitory-section {
  padding: 48px 0 64px;
}

.student-card-grid {
  display: grid;
  gap: 26px;
}

.student-card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.student-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}

.student-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--iu-blue-300);
}

.student-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--iu-blue-50);
}

.student-card-image a {
  display: block;
  width: 100%;
  height: 100%;
}

.student-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.student-card:hover .student-card-image img {
  transform: scale(1.04);
}

.student-card-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.student-card-image-placeholder .placeholder-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: #fff;
  color: var(--iu-blue-700);
  box-shadow: var(--shadow-sm);
}

.student-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.student-card-date {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.student-card-title {
  margin: 0;
  color: var(--iu-blue-950);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.4;
}

.student-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease;
}

.student-card-title a:hover {
  color: var(--iu-blue-700);
}

.student-card-excerpt {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.student-nav-section {
  padding: 48px 0 64px;
  background: var(--bg-soft, #f8fafc);
}

.student-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Flat hub grid for the main /sinh-vien/ page: 15 topic cards, no parent wrappers. */
.student-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.student-nav-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.student-nav-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--iu-blue-700);
}

.student-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  color: var(--iu-blue-800);
  background: var(--iu-blue-50);
  border: 1px solid #dbeafe;
  border-radius: 20px;
}

.student-nav-card h3 {
  margin: 0 0 10px;
  color: var(--iu-blue-950);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.student-nav-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

/* Hub v2: parent article wraps a header link + nested sub-card grid. */
.student-nav-card-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.student-nav-card-head h3 {
  margin: 0;
}

.student-nav-card-head p {
  margin: 0;
}

.student-nav-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--iu-blue-700);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.student-nav-card-head:hover .student-nav-card-cta svg {
  transform: translateX(3px);
}

.student-nav-card-cta svg {
  transition: transform 0.22s ease;
}

.student-nav-card--has-children {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.student-nav-card--has-children:hover {
  border-color: var(--iu-blue-700);
  box-shadow: var(--shadow-md);
}

.student-nav-card--has-children .student-nav-card-head {
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(15, 23, 42, 0.1);
}

.student-nav-card--simple {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.student-nav-card--simple:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--iu-blue-700);
}

.student-nav-card--simple .student-nav-card-head {
  text-decoration: none;
}

.student-nav-subgrid {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.student-nav-subcard {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--iu-blue-50);
  border: 1px solid rgba(11, 94, 215, 0.12);
  border-radius: 10px;
  color: var(--text-main);
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.student-nav-subcard:hover {
  background: var(--iu-blue-100, rgba(11, 94, 215, 0.1));
  border-color: rgba(11, 94, 215, 0.4);
  transform: translateX(2px);
}

.student-nav-subcard-title {
  font-weight: 800;
  color: var(--iu-blue-900);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.student-nav-subcard-desc {
  font-size: 0.83rem;
  line-height: 1.45;
  color: var(--text-muted);
}

@media (min-width: 1280px) {
  .student-nav-subgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.student-empty-state {
  padding: 60px 24px;
  text-align: center;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.student-empty-state p {
  margin: 0;
}

@media (max-width: 1024px) {
  .student-card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-grid-2 {
    grid-template-columns: 1fr;
  }

  .faq-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .student-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .student-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .student-card-grid-3 {
    grid-template-columns: 1fr;
  }

  .student-nav-grid {
    grid-template-columns: 1fr;
  }

  .student-hub-grid {
    grid-template-columns: 1fr;
  }

  .subcategory-block,
  .faq-column {
    padding: 16px;
  }

  .support-category-header,
  .subcategory-header,
  .faq-header {
    padding-bottom: 10px;
  }

  .support-category-header h2,
  .subcategory-header h2,
  .faq-header h2 {
    font-size: 1.05rem;
  }
}

/* ============================================================
   Student v2 — redesigned /sinh-vien/* pages
   ============================================================ */

.student-section {
  padding: 24px 0 64px;
  background: var(--bg-soft, #f8fafc);
}

/* ---- Category card grid (replaces old column-list) ---- */
.student-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.student-cat-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.student-cat-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.student-cat-card:hover {
  transform: translateY(-14px);
  border-color: var(--iu-blue-300);
  box-shadow: 0 16px 32px -18px rgba(20, 50, 110, 0.4);
}

.student-cat-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--iu-blue-900), var(--iu-blue-700));
  color: #fff;
  position: relative;
}

.student-cat-card-head::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.32), transparent);
}

.student-cat-card-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.student-cat-card-icon svg {
  width: 22px;
  height: 22px;
}

.student-cat-card-head h3 {
  margin: 0;
  flex: 1;
  min-width: 0;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.005em;
  line-height: 1.3;
}

.student-cat-card-head h3 a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.18s ease;
}

.student-cat-card-head h3 a:hover {
  opacity: 0.85;
}

.student-cat-card-count {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.student-cat-card-desc {
  margin: 16px 20px 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.55;
}

.student-cat-card-list {
  list-style: none;
  margin: 0;
  padding: 8px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.student-cat-card-list li a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.student-cat-card-list li a:hover {
  background: var(--iu-blue-50, rgba(11, 94, 215, 0.06));
  color: var(--iu-blue-900);
  transform: translateX(3px);
}

.student-cat-card-bullet {
  flex-shrink: 0;
  width: 6px;
  color: var(--iu-blue-700);
  font-size: 0.6rem;
  line-height: 1;
}

.student-cat-card-title {
  flex: 1;
  min-width: 0;
  line-height: 1.45;
  display: block;
  word-break: break-word;
}

.student-cat-card-date {
  flex-shrink: 0;
  color: var(--text-muted);
  align-self: flex-start;
  margin-top: 2px;
  font-size: 0.74rem;
  font-weight: 600;
  font-feature-settings: "tnum";
}

.student-cat-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 20px 20px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--iu-blue-50, rgba(11, 94, 215, 0.06));
  color: var(--iu-blue-900);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}

.student-cat-card-more:hover {
  background: var(--iu-blue-700);
  color: #fff;
  transform: translateX(3px);
}

.student-cat-card-empty {
  padding: 16px 20px 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.student-cat-card-empty p {
  margin: 0;
}

/* ---- Result meta (card-grid pages) ---- */
.student-result-meta {
  margin: 0 0 20px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.student-result-meta strong {
  color: var(--iu-blue-900);
  font-weight: 800;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .student-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  /* stat row removed */
}

@media (max-width: 640px) {
  .student-cat-grid,
  .student-cat-grid--two {
    grid-template-columns: 1fr;
  }

  .student-cat-card-head {
    flex-wrap: wrap;
  }

  .student-cat-card-count {
    margin-left: 54px;
  }
}

/* ============================================================
   Giới thiệu pages (/thong-diep-cua-hieu-truong/, /chien-luoc-phat-trien/,
   /tong-quan/, /xep-hang-dai-hoc/)
   The .single-* wrappers are already styled by 06-posts.css.
   We add the .student-section shared background and the .ranking-*
   cards that used to live in style.css (which only loads on the
   introduction-pages branch).
   ============================================================ */

.gioi-thieu-page .student-section {
  padding-top: 32px;
}

.thong-diep-cua-hieu-truong-page .student-section,
.chien-luoc-phat-trien-page .student-section,
.tong-quan-page .student-section {
  padding-top: 32px;
}

.xep-hang-dai-hoc-page .student-section {
  padding: 32px 0 64px;
}

/* ---- Ranking section ---- */
.ranking-intro-section {
  padding: 0;
  background: transparent;
}

.xep-hang-dai-hoc-page .student-section.ranking-intro-section {
  background: var(--bg-soft, #f8fafc);
}

.ranking-main-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.ranking-main-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}

.ranking-main-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--iu-blue-300);
}

.ranking-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--iu-blue-900), var(--iu-blue-700));
}

.ranking-main-image {
  margin-bottom: 16px;
}

.ranking-main-image img {
  width: 100%;
  max-width: 180px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.ranking-main-rank {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--iu-blue-900), var(--iu-blue-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.ranking-main-source {
  font-size: 1rem;
  font-weight: 800;
  color: var(--iu-blue-900);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.ranking-main-source .ranking-year {
  display: inline-block;
  background: var(--iu-blue-900);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-left: 8px;
  text-transform: none;
  letter-spacing: 0;
}

.ranking-main-desc {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
  margin: 0;
}

.ranking-subject-section {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.ranking-subject-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--iu-blue-950);
  margin: 0 0 8px;
  text-align: center;
  letter-spacing: -0.01em;
}

.ranking-subject-intro {
  font-size: 1rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0 0 28px;
}

.ranking-subject-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ranking-subject-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.05), rgba(0, 102, 170, 0.05));
  border-radius: 10px;
  transition: background 0.22s ease, transform 0.22s ease;
}

.ranking-subject-item:hover {
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.1), rgba(0, 102, 170, 0.1));
  transform: translateX(3px);
}

.subject-rank {
  flex-shrink: 0;
  background: var(--iu-blue-900);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.subject-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #333;
}

@media (max-width: 1024px) {
  .ranking-main-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ranking-subject-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ranking-main-cards {
    grid-template-columns: 1fr;
  }

  .ranking-subject-grid {
    grid-template-columns: 1fr;
  }

  .ranking-subject-section {
    padding: 24px;
  }

  .ranking-main-rank {
    font-size: 2.5rem;
  }
}