/**
 * Landing Giới thiệu — page-gioi-thieu.php
 * Phiên bản hiện đại: hero hai cột, dải chỉ số, scope grid, mission/vision,
 * process timeline, team + roadmap, CTA, contact.
 */

.st-about-landing {
  --ab-navy: #001d3d;
  --ab-navy-2: #062c4f;
  --ab-brand: #0e76bc;
  --ab-brand-2: #5eb3e0;
  --ab-brand-deep: #073a5c;
  --ab-bg: #f4fafd;
  --ab-bg-soft: #eef6fc;
  --ab-card: #ffffff;
  --ab-line: #d8eaf5;
  --ab-line-soft: #e9f3fa;
  --ab-text: #0d1b2a;
  --ab-text-2: #3a4d5f;
  --ab-muted: #62798d;
  --ab-radius-sm: 12px;
  --ab-radius: 18px;
  --ab-radius-lg: 24px;
  --ab-shadow-sm: 0 8px 22px rgba(14, 118, 188, 0.08);
  --ab-shadow: 0 18px 44px rgba(14, 118, 188, 0.12);
  --ab-shadow-lg: 0 28px 60px rgba(14, 118, 188, 0.18);
  background: var(--ab-bg);
  color: var(--ab-text);
  overflow-x: clip;
}

.st-about-landing .container {
  width: min(1180px, 100% - 32px);
  margin-left: auto;
  margin-right: auto;
}

.st-about-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================================
 * Eyebrow + headings
 * ========================================================================= */
.st-about-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.65rem;
  padding: 0.3rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ab-brand);
  background: rgba(14, 118, 188, 0.08);
  border-radius: 999px;
}

.st-about-eyebrow--center {
  display: inline-flex;
  margin-left: auto;
  margin-right: auto;
}

.st-about-eyebrow--ondark {
  color: #bee3fa;
  background: rgba(255, 255, 255, 0.1);
}

.st-about-h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--ab-navy);
}

.st-about-h2--center {
  text-align: center;
}

.st-about-h2--small {
  font-size: 1.2rem;
}

.st-about-h3 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ab-navy);
}

.st-about-prose {
  margin: 0 0 1rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ab-text-2);
}

.st-about-prose:last-child {
  margin-bottom: 0;
}

.st-about-prose--lead {
  font-size: 1.05rem;
  color: #2a3a4d;
}

.st-about-lead {
  margin: 0 auto;
  max-width: 64ch;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ab-muted);
}

.st-about-lead--center {
  text-align: center;
}

.st-about-secthead {
  margin: 0 auto 2.4rem;
  max-width: 720px;
  text-align: center;
}

.st-about-secthead .st-about-h2 {
  margin-top: 0.4rem;
}

/* ============================================================================
 * Buttons
 * ========================================================================= */
.st-about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.35rem;
  font-size: 0.92rem;
  font-weight: 800;
  border-radius: var(--ab-radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.st-about-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--ab-brand-deep) 0%, var(--ab-brand) 60%, var(--ab-brand-2) 130%);
  box-shadow: 0 14px 34px rgba(14, 118, 188, 0.4);
}

.st-about-btn--primary:hover,
.st-about-btn--primary:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(14, 118, 188, 0.5);
}

.st-about-btn--ghost {
  color: var(--ab-navy);
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(14, 118, 188, 0.32);
  backdrop-filter: blur(8px);
}

.st-about-btn--ghost:hover,
.st-about-btn--ghost:focus-visible {
  background: #fff;
  border-color: var(--ab-brand);
  transform: translateY(-2px);
}

.st-about-btn--light {
  color: var(--ab-navy);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.st-about-btn--light:hover,
.st-about-btn--light:focus-visible {
  transform: translateY(-2px);
}

.st-about-btn--outline {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.45);
}

.st-about-btn--outline:hover,
.st-about-btn--outline:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

/* ============================================================================
 * Hero
 * ========================================================================= */
.st-about-hero {
  position: relative;
  padding: clamp(2.75rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  background: linear-gradient(165deg, #f6fbfe 0%, #e1f1fb 55%, #d1e9f8 100%);
  overflow: hidden;
}

.st-about-hero__bg {
  pointer-events: none;
  position: absolute;
  inset: 0;
}

.st-about-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.st-about-hero__orb--a {
  top: -120px;
  right: -100px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(14, 118, 188, 0.45) 0%, transparent 70%);
}

.st-about-hero__orb--b {
  bottom: -160px;
  left: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(94, 179, 224, 0.45) 0%, transparent 70%);
}

.st-about-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 118, 188, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 118, 188, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 40%, #000 30%, transparent 80%);
  opacity: 0.6;
}

.st-about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (max-width: 980px) {
  .st-about-hero__inner {
    grid-template-columns: 1fr;
  }
}

.st-about-hero__copy {
  max-width: 600px;
}

.st-about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0.4rem 0.95rem;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ab-brand);
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: 999px;
  box-shadow: var(--ab-shadow-sm);
}

.st-about-hero__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ab-brand);
  box-shadow: 0 0 0 4px rgba(14, 118, 188, 0.18);
  animation: st-about-pulse 1.8s ease-out infinite;
}

@keyframes st-about-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 4px rgba(14, 118, 188, 0.18);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 0 8px rgba(14, 118, 188, 0.06);
  }
}

.st-about-hero__title {
  margin: 0 0 1.1rem;
  max-width: 18ch;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--ab-navy);
}

.st-about-hero__lead {
  margin: 0 0 1.75rem;
  max-width: 56ch;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.7;
  color: var(--ab-text-2);
}

.st-about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.65rem;
}

.st-about-hero__chips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.st-about-hero__chips li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ab-navy);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--ab-line);
  border-radius: 999px;
  box-shadow: var(--ab-shadow-sm);
}

.st-about-hero__chips svg {
  color: var(--ab-brand);
}

/* — Hero visual panel — */
.st-about-hero__visual {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 460px;
}

@media (max-width: 980px) {
  .st-about-hero__visual {
    justify-self: center;
    max-width: 480px;
  }
}

.st-about-hero__panel {
  position: relative;
  padding: 1.5rem 1.5rem 1.4rem;
  background: linear-gradient(160deg, #ffffff 0%, #f0f9ff 100%);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius-lg);
  box-shadow: var(--ab-shadow-lg);
}

.st-about-hero__panel::after {
  content: "";
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(14, 118, 188, 0.4), transparent 60%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.st-about-hero__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ab-line);
}

.st-about-hero__brandmark {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, var(--ab-navy), var(--ab-brand));
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(14, 118, 188, 0.35);
}

.st-about-hero__brand strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ab-navy);
  line-height: 1.25;
}

.st-about-hero__brand small {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--ab-muted);
}

.st-about-hero__panel-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.st-about-hero__panel-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.65rem 0.75rem;
  background: #fff;
  border: 1px solid var(--ab-line-soft);
  border-radius: var(--ab-radius-sm);
}

.st-about-hero__panel-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(14, 118, 188, 0.1);
  color: var(--ab-brand);
}

.st-about-hero__panel-list strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--ab-navy);
}

.st-about-hero__panel-list span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--ab-muted);
}

.st-about-hero__badge {
  position: absolute;
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius-sm);
  box-shadow: var(--ab-shadow);
  padding: 0.7rem 0.95rem;
  font-size: 0.78rem;
  color: var(--ab-text-2);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  animation: st-about-float 6s ease-in-out infinite;
}

.st-about-hero__badge--year {
  top: -18px;
  left: -18px;
}

.st-about-hero__badge--year span {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ab-muted);
}

.st-about-hero__badge--year strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--ab-navy);
  line-height: 1;
  margin-top: 0.15rem;
}

.st-about-hero__badge--star {
  bottom: -14px;
  right: -14px;
  color: var(--ab-navy);
  font-weight: 700;
  animation-delay: -2.5s;
}

.st-about-hero__badge--star svg {
  color: #f5b301;
}

@keyframes st-about-float {
  0%, 100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -8px, 0);
  }
}

@media (max-width: 480px) {
  .st-about-hero__badge--year {
    top: -10px;
    left: 6px;
  }
  .st-about-hero__badge--star {
    bottom: -8px;
    right: 6px;
  }
}

/* ============================================================================
 * Stats strip
 * ========================================================================= */
.st-about-statbar {
  position: relative;
  margin-top: -2.5rem;
  padding: 0 0 clamp(1rem, 2vw, 1.5rem);
  z-index: 2;
}

.st-about-statbar__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  overflow: hidden;
  box-shadow: var(--ab-shadow-lg);
}

@media (max-width: 760px) {
  .st-about-statbar__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.st-about-stat {
  background: #fff;
  padding: 1.5rem 1.4rem;
  text-align: center;
}

.st-about-stat__num {
  display: block;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--ab-brand);
  letter-spacing: -0.02em;
}

.st-about-stat__label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ab-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================================
 * Sections
 * ========================================================================= */
.st-about-section {
  padding: clamp(2.75rem, 5vw, 4.5rem) 0;
}

.st-about-section--alt {
  background: var(--ab-bg-soft);
}

.st-about-section--mv {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.st-about-section--contact {
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(3.25rem, 6vw, 5.25rem);
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, rgba(14, 118, 188, 0.09) 0%, transparent 55%),
    linear-gradient(180deg, #f8fcff 0%, var(--ab-bg) 45%, #eef6fc 100%);
}

.st-about-section--wpcontent {
  background: #fff;
  border-top: 1px solid var(--ab-line);
}

/* ============================================================================
 * Split layout (story / team)
 * ========================================================================= */
.st-about-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.st-about-split--gap {
  align-items: stretch;
}

.st-about-split--reverse {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.st-about-split--reverse .st-about-split__copy {
  order: 2;
}

@media (max-width: 880px) {
  .st-about-split,
  .st-about-split--reverse {
    grid-template-columns: 1fr;
  }
  .st-about-split--reverse .st-about-split__copy {
    order: unset;
  }
}

/* — Quote card (story) — */
.st-about-quote {
  position: relative;
  margin: 0;
  padding: 2.4rem 1.85rem 1.85rem;
  background: linear-gradient(160deg, var(--ab-navy) 0%, var(--ab-navy-2) 100%);
  color: #e0f2fe;
  border-radius: var(--ab-radius-lg);
  box-shadow: var(--ab-shadow);
  overflow: hidden;
}

.st-about-quote::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 100% 0%, rgba(14, 118, 188, 0.4), transparent 60%),
    radial-gradient(ellipse 60% 60% at 0% 100%, rgba(94, 179, 224, 0.25), transparent 60%);
  pointer-events: none;
}

.st-about-quote > * {
  position: relative;
}

.st-about-quote__mark {
  position: absolute;
  top: 0.4rem;
  left: 1.4rem;
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(94, 179, 224, 0.32);
  font-family: Georgia, "Times New Roman", serif;
}

.st-about-quote p {
  margin: 0 0 1.25rem;
  padding-top: 1rem;
  font-size: 1.02rem;
  font-style: italic;
  line-height: 1.65;
  color: #f0f9ff;
}

.st-about-quote__footer {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-style: normal;
  /* Không dùng thẻ <footer> ở đây: category.css có `footer{...}` làm lệch nền */
  background: transparent;
}

.st-about-quote__name {
  font-size: 0.92rem;
  font-weight: 800;
  color: #fff;
}

.st-about-quote__role {
  font-size: 0.78rem;
  color: var(--ab-brand-2);
  letter-spacing: 0.03em;
}

/* — Meta block in story — */
.st-about-meta {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

@media (max-width: 600px) {
  .st-about-meta {
    grid-template-columns: 1fr;
  }
}

.st-about-meta__item {
  padding: 1rem 1.15rem;
  background: #fff;
  border: 1px solid rgba(14, 118, 188, 0.18);
  border-radius: 16px;
  box-shadow: 0 4px 18px rgba(14, 118, 188, 0.08);
}

.st-about-meta__k {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ab-muted);
  margin-bottom: 0.2rem;
}

.st-about-meta__v {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ab-navy);
  line-height: 1.45;
}

/* ============================================================================
 * Core values grid
 * ========================================================================= */
.st-about-vgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

@media (max-width: 880px) {
  .st-about-vgrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .st-about-vgrid {
    grid-template-columns: 1fr;
  }
}

.st-about-vcard {
  position: relative;
  padding: 1.5rem 1.4rem;
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow-sm);
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.st-about-vcard:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 118, 188, 0.4);
  box-shadow: var(--ab-shadow);
}

.st-about-vcard__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 0.85rem;
  border-radius: 12px;
  background: rgba(14, 118, 188, 0.1);
  color: var(--ab-brand);
}

.st-about-vcard h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ab-navy);
}

.st-about-vcard p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ab-text-2);
}

.st-about-vcard--accent {
  background: linear-gradient(150deg, var(--ab-brand) 0%, var(--ab-brand-deep) 100%);
  color: #fff;
  border-color: transparent;
}

.st-about-vcard--accent .st-about-vcard__icon {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.st-about-vcard--accent h3,
.st-about-vcard--accent p {
  color: #fff;
}

.st-about-vcard--accent p {
  color: rgba(255, 255, 255, 0.86);
}

/* ============================================================================
 * Scope grid
 * ========================================================================= */
.st-about-scope {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 980px) {
  .st-about-scope {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .st-about-scope {
    grid-template-columns: 1fr;
  }
}

.st-about-scope__item {
  padding: 1.25rem 1.2rem;
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow-sm);
  transition:
    transform 0.18s ease,
    border-color 0.18s ease;
}

.st-about-scope__item:hover {
  transform: translateY(-2px);
  border-color: var(--ab-brand);
}

.st-about-scope__icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(14, 118, 188, 0.12) 0%, rgba(94, 179, 224, 0.18) 100%);
  color: var(--ab-brand);
}

.st-about-scope__item h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--ab-navy);
}

.st-about-scope__item p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--ab-muted);
}

/* ============================================================================
 * Mission + Vision cards
 * ========================================================================= */
.st-about-mvgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 880px) {
  .st-about-mvgrid {
    grid-template-columns: 1fr;
  }
}

.st-about-mvcard {
  padding: 2rem 1.85rem;
  border-radius: var(--ab-radius-lg);
  box-shadow: var(--ab-shadow);
}

.st-about-mvcard h3 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 800;
  line-height: 1.3;
}

.st-about-mvcard p {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.7;
}

.st-about-mvcard--dark {
  position: relative;
  background: linear-gradient(150deg, var(--ab-navy) 0%, var(--ab-brand-deep) 100%);
  color: #f0f9ff;
  overflow: hidden;
}

.st-about-mvcard--dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 100% 0%, rgba(94, 179, 224, 0.3) 0%, transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(14, 118, 188, 0.25) 0%, transparent 55%);
  pointer-events: none;
}

.st-about-mvcard--dark > * {
  position: relative;
}

.st-about-mvcard--dark h3 {
  color: #fff;
}

.st-about-mvcard--dark p {
  color: rgba(240, 249, 255, 0.88);
}

.st-about-mvcard__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 0.2rem;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.st-about-mvcard__link:hover {
  color: #fff;
  border-bottom-color: #fff;
  transform: translateX(3px);
}

.st-about-mvcard--light {
  background: #fff;
  border: 1px solid var(--ab-line);
  color: var(--ab-text);
}

.st-about-mvcard--light h3 {
  color: var(--ab-navy);
}

.st-about-mvcard--light p {
  color: var(--ab-text-2);
}

/* ============================================================================
 * Process timeline
 * ========================================================================= */
.st-about-process {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: st-about-step;
}

@media (max-width: 980px) {
  .st-about-process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .st-about-process {
    grid-template-columns: 1fr;
  }
}

.st-about-process__step {
  position: relative;
  padding: 1.4rem 1.35rem 1.5rem;
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.st-about-process__step:hover {
  transform: translateY(-3px);
  box-shadow: var(--ab-shadow);
}

.st-about-process__step::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.6rem;
  width: 1.2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--ab-brand) 0%, transparent 100%);
  transform: translateY(-50%);
}

.st-about-process__step:last-child::before {
  display: none;
}

@media (max-width: 980px) {
  .st-about-process__step::before {
    display: none;
  }
}

.st-about-process__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, var(--ab-brand) 0%, var(--ab-brand-deep) 100%);
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(14, 118, 188, 0.3);
  letter-spacing: 0.02em;
}

.st-about-process__step h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ab-navy);
}

.st-about-process__step p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--ab-muted);
}

/* ============================================================================
 * Team checks + Roadmap card
 * ========================================================================= */
.st-about-checks {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.st-about-checks li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.85rem;
  font-size: 0.93rem;
  color: var(--ab-text-2);
  font-weight: 600;
  line-height: 1.55;
}

.st-about-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: rgba(14, 118, 188, 0.12);
}

.st-about-checks li::after {
  content: "";
  position: absolute;
  left: 0.36rem;
  top: 0.85rem;
  width: 0.55rem;
  height: 0.32rem;
  border-left: 2px solid var(--ab-brand);
  border-bottom: 2px solid var(--ab-brand);
  transform: rotate(-45deg);
}

.st-about-roadmap {
  height: 100%;
  padding: 1.85rem;
  background: #fff;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius-lg);
  box-shadow: var(--ab-shadow);
  position: relative;
  overflow: hidden;
}

.st-about-roadmap::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 130px;
  background: radial-gradient(circle at 100% 0%, rgba(14, 118, 188, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.st-about-roadmap > * {
  position: relative;
}

.st-about-roadmap ol {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.st-about-roadmap li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  background: #fff;
  border: 1px solid rgba(14, 118, 188, 0.16);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(14, 118, 188, 0.06);
}

/* Badge số — không dùng selector `.st-about-roadmap span` chung (trùng với thẻ số). */
.st-about-roadmap__num {
  flex-shrink: 0;
  align-self: center;
  box-sizing: border-box;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  display: grid;
  place-items: center;
  padding: 0;
  margin: 0;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  line-height: 1;
  text-align: center;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 29, 61, 0.25);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.06) inset,
    0 10px 22px rgba(14, 118, 188, 0.28);
}

/* Màu từng bước — tông brand, dễ phân biệt */
.st-about-roadmap li:nth-child(1) .st-about-roadmap__num {
  background: linear-gradient(145deg, #0369a1 0%, #0e76bc 45%, #38bdf8 100%);
}

.st-about-roadmap li:nth-child(2) .st-about-roadmap__num {
  background: linear-gradient(145deg, #4f46e5 0%, #2563eb 50%, #22d3ee 100%);
}

.st-about-roadmap li:nth-child(3) .st-about-roadmap__num {
  background: linear-gradient(145deg, #0f766e 0%, #0d9488 45%, #5eead4 100%);
}

.st-about-roadmap strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.92rem;
  color: var(--ab-navy);
}

.st-about-roadmap li > div > span {
  display: block;
  font-size: 0.83rem;
  line-height: 1.55;
  color: var(--ab-muted);
}

/* ============================================================================
 * CTA band
 * ========================================================================= */
.st-about-cta {
  position: relative;
  padding: clamp(2.5rem, 5vw, 3.75rem) 0;
  background: linear-gradient(125deg, var(--ab-brand) 0%, #094d78 50%, var(--ab-navy) 100%);
  color: #fff;
  overflow: hidden;
}

.st-about-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(94, 179, 224, 0.3) 0%, transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(14, 118, 188, 0.4) 0%, transparent 55%);
  pointer-events: none;
}

.st-about-cta__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.st-about-cta__copy {
  max-width: 620px;
}

.st-about-cta__title {
  margin: 0 0 0.55rem;
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
}

.st-about-cta__text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.st-about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* ============================================================================
 * Contact grid
 * ========================================================================= */
.st-about-contactgrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.15rem;
}

@media (max-width: 980px) {
  .st-about-contactgrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .st-about-contactgrid {
    grid-template-columns: 1fr;
  }
}

.st-about-contactcard {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
  padding: 1.35rem 1.25rem 1.4rem;
  background: linear-gradient(165deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(14, 118, 188, 0.14);
  border-radius: 20px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 10px 32px rgba(14, 118, 188, 0.1);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.st-about-contactcard:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 118, 188, 0.28);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 16px 40px rgba(14, 118, 188, 0.14);
}

.st-about-contactcard__top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.st-about-contactcard__icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #fff;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.2) inset,
    0 8px 18px rgba(0, 29, 61, 0.18);
}

.st-about-contactcard--addr .st-about-contactcard__icon {
  background: linear-gradient(145deg, #0d9488 0%, #14b8a6 45%, #5eead4 100%);
}

.st-about-contactcard--phone .st-about-contactcard__icon {
  background: linear-gradient(145deg, #0369a1 0%, #0e76bc 50%, #38bdf8 100%);
}

.st-about-contactcard--email .st-about-contactcard__icon {
  background: linear-gradient(145deg, #4f46e5 0%, #6366f1 45%, #a5b4fc 100%);
}

.st-about-contactcard--web .st-about-contactcard__icon {
  background: linear-gradient(145deg, #0e7490 0%, #0891b2 50%, #22d3ee 100%);
}

.st-about-contactcard__icon svg {
  display: block;
  margin: 0;
}

.st-about-contactcard strong {
  flex: 1;
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ab-muted);
  line-height: 1.35;
}

.st-about-contactcard__value {
  padding-top: 0.15rem;
  border-top: 1px solid rgba(14, 118, 188, 0.1);
}

.st-about-contactcard__value span,
.st-about-contactcard__value a,
.st-about-contactcard__primary {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ab-navy);
  text-decoration: none;
  line-height: 1.55;
}

.st-about-contactcard__value a:hover,
.st-about-contactcard__primary:hover {
  color: var(--ab-brand);
  text-decoration: underline;
}

.st-about-contactcard__credit {
  margin: 0.55rem 0 0;
  padding-top: 0.55rem;
  border-top: 1px dashed rgba(14, 118, 188, 0.18);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ab-muted);
  line-height: 1.45;
}

.st-about-contactcard__credit a {
  margin-left: 0.25rem;
  font-weight: 800;
  color: var(--ab-brand);
  text-decoration: none;
}

.st-about-contactcard__credit a:hover {
  text-decoration: underline;
  color: var(--ab-brand-deep);
}

/* ============================================================================
 * WP extra content
 * ========================================================================= */
.st-about-wpentry {
  max-width: 760px;
}

.st-about-wpentry .entry-content {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ab-text-2);
}

.st-about-wpentry .entry-content > *:first-child {
  margin-top: 0;
}

.st-about-wpentry .entry-content > *:last-child {
  margin-bottom: 0;
}