/* About Page Styles
 * Template: page-about.php
 */

/* ── Wrapper ── */
.about-page {
  /* max-width: 1200px; */
  margin: 0 auto;
  /* padding: 24px 16px 48px; */
  /* font-family: var(--font-sans); */
  font-size: 1rem;
  line-height: 1.6;
  color: rgb(var(--color-text-body));
  font-kerning: normal;
}

.about-container {
  max-width: 960px;
  margin: 0 auto;
}

/* ── Shared section heading ── */
.about-section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(var(--color-primary));
  margin-bottom: 8px;
}

.about-section-heading {
  font-size: clamp(1.375rem, 2.1vw, 1.625rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
  margin: 0 0 20px;
  color: rgb(var(--color-primary-dark));
  position: relative;
  padding-bottom: 14px;
  letter-spacing: -0.01em;
}

.about-section-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: rgb(var(--color-accent));
  border-radius: 2px;
}

.about-section-heading--center {
  text-align: center;
}

.about-section-heading--center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ── Buttons ── */
.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  border: 1.5px solid transparent;
  line-height: 1.2;
}

/* Render heavy sections lazily until near viewport. */
.about-story,
.about-capacity,
.about-values,
.about-partners,
.about-team,
.about-legal,
.about-cta {
  content-visibility: auto;
  contain-intrinsic-size: 1px 700px;
}

.about-btn-primary {
  background: rgb(var(--color-white));
  color: rgb(var(--color-primary));
}

.about-btn-primary:hover {
  background: rgb(var(--color-bg-hover));
}

.about-btn-secondary {
  background: transparent;
  color: rgb(var(--color-white));
  border-color: rgba(var(--color-white), 0.7);
}

.about-btn-secondary:hover {
  background: rgba(var(--color-white), 0.12);
  border-color: rgb(var(--color-white));
}

/* ─────────────────────────────────────────────
   Section 1: Hero
───────────────────────────────────────────── */
.about-hero {
  text-align: center;
  padding: 48px 24px;
  background:
    linear-gradient(
      135deg,
      rgba(var(--color-primary-dark), 0.82) 0%,
      rgba(var(--color-primary), 0.72) 100%
    ),
    var(--astra-hero-primary) center / cover no-repeat;
  color: rgb(var(--color-white));
  border-radius: 14px;
  margin-bottom: 36px;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.about-hero-content h1 {
  font-size: clamp(1.625rem, 2.8vw, 2rem);
  font-weight: 700;
  margin: 0 0 10px;
  color: rgb(var(--color-white));
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  line-height: 1.2;
}

.about-hero-subtitle {
  font-size: 1rem;
  margin: 0 0 24px;
  color: rgba(var(--color-white), 0.9);
  line-height: 1.6;
}

.about-hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─────────────────────────────────────────────
   Section 2: Story
───────────────────────────────────────────── */
.about-story {
  margin-bottom: 36px;
}

.about-story-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.about-story-item {
  padding: 16px 18px;
  background: rgb(var(--color-white));
  border-radius: 10px;
  border-left: 3px solid rgb(var(--color-primary));
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.05);
}

.about-story-item h3 {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  margin: 0 0 6px;
  color: rgb(var(--color-primary));
  line-height: 1.4;
}

.about-story-item p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: rgb(var(--color-text-body));
  max-width: 62ch;
}

/* ─────────────────────────────────────────────
   Section 3: Capacity — stat strip
───────────────────────────────────────────── */
.about-capacity {
  margin-bottom: 36px;
  padding: 28px 20px;
  background: rgb(var(--color-primary-dark));
  border-radius: 12px;
}

.about-capacity h2 {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  margin: 0 0 20px;
  text-align: center;
  color: rgba(var(--color-white), 0.9);
  letter-spacing: 0.04em;
}

.about-capacity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(var(--color-white), 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.about-capacity-item {
  text-align: center;
  padding: 20px 12px;
  background: rgb(var(--color-primary-dark));
  transition: background 0.2s ease;
}

.about-capacity-item:hover {
  background: rgb(var(--color-primary));
}

.about-capacity-number {
  font-size: clamp(1.5rem, 2vw, 1.75rem);
  font-weight: var(--font-weight-extrabold);
  color: rgb(var(--color-accent));
  margin-bottom: 4px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.about-capacity-label {
  font-size: 0.9375rem;
  color: rgba(var(--color-white), 0.9);
  line-height: 1.5;
}

/* ─────────────────────────────────────────────
   Section 4: Values
───────────────────────────────────────────── */
.about-values {
  margin-bottom: 36px;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.about-value-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgb(var(--color-white));
  border: 1px solid rgb(var(--color-border-light));
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.about-value-item:hover {
  border-color: rgb(var(--color-primary));
  box-shadow: 0 2px 12px rgba(var(--color-primary), 0.1);
}

.about-value-icon {
  font-size: 1.375rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-value-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}

.about-value-icon svg * {
  fill: currentColor;
}

.about-value-body {
  min-width: 0;
}

.about-value-item h3 {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  margin: 0 0 4px;
  color: rgb(var(--color-primary));
  line-height: 1.4;
}

.about-value-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgb(var(--color-text-muted));
  max-width: 60ch;
}

/* ─────────────────────────────────────────────
   Section 5: Partners
───────────────────────────────────────────── */
.about-partners {
  margin-bottom: 36px;
  padding: 28px 20px;
  background: rgb(var(--color-bg-section));
  border-radius: 12px;
}

.about-partners h2 {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  margin: 0 0 4px;
  text-align: center;
  color: rgb(var(--color-primary-dark));
}

.about-partners-subtitle {
  text-align: center;
  color: rgb(var(--color-text-muted));
  font-size: 0.9375rem;
  margin: 0 0 20px;
  line-height: 1.6;
}

.about-partners-slider {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.about-partners-slider::-webkit-scrollbar {
  display: none;
}

.about-partner-logo {
  flex: 0 0 auto;
  width: 130px;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(var(--color-border-light));
  border-radius: 8px;
  background: rgb(var(--color-white));
  scroll-snap-align: center;
  padding: 8px 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.about-partner-logo--static {
  cursor: default;
}

.about-partner-logo:hover {
  border-color: rgb(var(--color-primary));
  box-shadow: 0 2px 8px rgba(var(--color-primary), 0.12);
}

.about-partner-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.about-partners-empty {
  text-align: center;
  padding: 24px;
  font-size: 0.9375rem;
  color: rgb(var(--color-text-muted));
  background: rgb(var(--color-white));
  border-radius: 8px;
  border: 1px dashed rgb(var(--color-border-dashed));
}

/* ─────────────────────────────────────────────
   Section 6: Team — KHÔNG SỬA
───────────────────────────────────────────── */
.about-team {
  margin-bottom: 36px;
  padding: 48px 0 56px;
  border-radius: 0;
}

.about-team .about-container {
  max-width: 1100px;
}

.about-team-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.about-team-header-text {
  flex: 1;
  min-width: 0;
}

.about-team-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 8px;
  text-align: left;
  color: rgb(var(--color-primary-dark));
  letter-spacing: -0.02em;
}

.about-team-subtitle {
  font-size: clamp(1.25rem, 3.2vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  text-align: left;
  color: rgb(var(--color-text-muted));
  max-width: 32ch;
}

.about-team-view-all {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgb(var(--color-text-body));
  background: rgb(var(--color-border-light));
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.about-team-view-all:hover {
  background: rgb(var(--color-border-strong));
  color: rgb(var(--color-accent));
}

/* Lưới 3×2: hàng 1 [ảnh1][ảnh2][trống] — hàng 2 [trống][ảnh3][ảnh4] */
.about-team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: auto auto;
  gap: 20px 24px;
  margin-bottom: 40px;
  align-items: stretch;
}

.about-team-card--slot-1 { grid-column: 1; grid-row: 1; }
.about-team-card--slot-2 { grid-column: 2; grid-row: 1; }
.about-team-card--slot-3 { grid-column: 2; grid-row: 2; }
.about-team-card--slot-4 { grid-column: 3; grid-row: 2; }

.about-team-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.about-team-item {
  width: 100%;
  height: clamp(210px, 24vw, 300px);
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: auto;
  background: rgb(var(--color-bg-card));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-team-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12);
}

.about-team-item--has-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
}

.about-team-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 0;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.about-team-item.about-team-item--empty {
  background: rgba(var(--color-primary), 0.1);
  box-shadow: none;
}

.about-team-item.about-team-item--empty:hover {
  transform: none;
}

.about-team-placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: rgb(var(--color-bg-card));
  color: rgb(var(--color-border-dashed));
}

.about-team-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 20px 16px 16px;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.35;
  color: rgb(var(--color-white));
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.2) 55%,
    transparent 100%
  );
}

.about-team-item .about-team-caption strong { display: block; margin-bottom: 4px; }
.about-team-item .about-team-caption span {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.88);
}

.about-team-culture-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 24px;
  background: rgb(var(--color-white));
  border-left: 3px solid rgb(var(--color-primary));
  border-radius: 0 10px 10px 0;
}

.about-team-culture-content p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: rgb(var(--color-text-body));
  max-width: 65ch;
}

/* ─────────────────────────────────────────────
   Section 7: Legal
───────────────────────────────────────────── */
.about-legal {
  margin-bottom: 36px;
  padding: 24px 20px;
  background: rgb(var(--color-bg-section));
  border-radius: 12px;
}

.about-legal h2 {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  margin: 0 0 16px;
  text-align: center;
  color: rgb(var(--color-primary-dark));
  position: relative;
  padding-bottom: 12px;
}

.about-legal-table {
  max-width: 560px;
  margin: 0 auto;
  background: rgb(var(--color-white));
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.05);
}

.about-legal-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  border-bottom: 1px solid rgb(var(--color-border-light));
  padding: 11px 18px;
  align-items: center;
}

.about-legal-label,
.about-legal-value {
  margin: 0;
}

.about-legal-row:last-child {
  border-bottom: none;
}

.about-legal-label {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-bold);
  color: rgb(var(--color-text-muted));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-legal-value {
  font-size: 1rem;
  line-height: 1.6;
  color: rgb(var(--color-text-dark));
}

.about-legal-value a {
  color: rgb(var(--color-primary));
  text-decoration: none;
}

.about-legal-value a:hover {
  text-decoration: underline;
}

.about-btn:focus-visible,
.about-partner-logo:focus-visible,
.about-team-view-all:focus-visible,
.about-legal-value a:focus-visible {
  outline: 2px solid rgb(var(--color-accent));
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(var(--color-primary), 0.25);
}

@media (prefers-reduced-motion: reduce) {
  .about-btn,
  .about-capacity-item,
  .about-value-item,
  .about-partner-logo,
  .about-team-item,
  .about-team-view-all {
    transition: none;
  }

  .about-team-item:hover {
    transform: none;
  }
}

/* ─────────────────────────────────────────────
   Section 8: CTA
───────────────────────────────────────────── */
.about-cta {
  text-align: center;
  padding: 40px 24px;
  background:
    linear-gradient(
      135deg,
      rgba(var(--color-primary-dark), 0.88) 0%,
      rgba(var(--color-primary), 0.78) 100%
    ),
    var(--astra-hero-secondary) center / cover no-repeat;
  color: rgb(var(--color-white));
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.about-cta .about-container {
  position: relative;
  z-index: 1;
  width: 100%;
}

.about-cta h2,
.about-cta-title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: var(--font-weight-bold);
  margin: 0 0 20px;
  color: rgb(var(--color-white)) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  line-height: 1.3;
}

.about-cta p {
  margin: 0 0 16px;
  font-size: 1rem;
  color: rgba(var(--color-white), 0.8);
  line-height: 1.65;
}

.about-cta-buttons,
.about-cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.about-cta-note {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: rgba(var(--color-white), 0.6);
}

/* ─────────────────────────────────────────────
   Values — add body wrapper (PHP dùng class .about-value-body)
   nếu PHP chưa có thì vẫn fallback OK
───────────────────────────────────────────── */

/* ─────────────────────────────────────────────
   Responsive — Tablet ≤ 768px
───────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-page {
    padding: 16px 12px 36px;
  }

  .about-hero {
    padding: 36px 16px;
    min-height: 220px;
    margin-bottom: 24px;
  }

  .about-hero-content h1 {
    font-size: clamp(1.5rem, 6vw, 1.75rem);
  }

  .about-hero-subtitle {
    font-size: 1rem;
    line-height: 1.65;
  }

  .about-story,
  .about-capacity,
  .about-values,
  .about-partners,
  .about-team,
  .about-legal,
  .about-cta {
    margin-bottom: 24px;
  }

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

  .about-story-content {
    grid-template-columns: 1fr;
  }

  .about-values-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .about-legal-row {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 10px 14px;
  }

  .about-legal-label {
    margin-bottom: 2px;
  }

  /* Section 6 tablet */
  .about-team {
    padding: 36px 0 44px;
  }

  .about-team-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 24px;
  }

  .about-team-view-all {
    align-self: flex-start;
  }

  .about-team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .about-team-item {
    height: clamp(190px, 30vw, 240px);
  }

  .about-team-card--slot-1 { grid-column: 1; grid-row: 1; }
  .about-team-card--slot-2 { grid-column: 2; grid-row: 1; }
  .about-team-card--slot-3 { grid-column: 1; grid-row: 2; }
  .about-team-card--slot-4 { grid-column: 2; grid-row: 2; }

  .about-team-culture-content {
    padding: 16px 18px;
  }

  .about-capacity-label {
    font-size: 0.9375rem;
  }

  .about-team-caption,
  .about-team-item .about-team-caption span {
    font-size: 0.875rem;
  }
}

/* ─────────────────────────────────────────────
   Responsive — Mobile ≤ 480px
───────────────────────────────────────────── */
@media (max-width: 480px) {
  .about-capacity-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-team-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about-team-item {
    height: 200px;
  }

  .about-team-card--slot-1,
  .about-team-card--slot-2,
  .about-team-card--slot-3,
  .about-team-card--slot-4 {
    grid-column: 1;
    grid-row: auto;
  }

  .about-team-culture-content {
    padding: 14px 16px;
  }

  .about-hero-cta,
  .about-cta-buttons,
  .about-cta-actions {
    flex-direction: column;
  }

  .about-btn {
    width: 100%;
    min-height: 46px;
  }

  .about-team-subtitle {
    font-size: clamp(1.125rem, 6vw, 1.5rem);
    line-height: 1.28;
  }
}