/* ==========================================================================
   Vatlieuso — about.css
   Page Template: Giới Thiệu
   ========================================================================== */

/* ------ About Hero ---------------------------------------- */
.vls-about-hero {
  background: linear-gradient(135deg, #0D1832 0%, #1F3355 55%, #152F5A 100%);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.vls-about-hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 193, 7, .06) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  pointer-events: none;
}
.vls-about-hero__inner {
  max-width: 720px;
}
.vls-about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #FFC107;
  margin-bottom: var(--sp-4);
}
.vls-about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-5);
}
.vls-about-hero__title em {
  font-style: normal;
  color: #FFC107;
}
.vls-about-hero__sub {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  color: rgba(255, 255, 255, .6);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 0 var(--sp-7);
}
.vls-about-hero__ctas {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.vls-about-hero .vls-btn--ghost {
  color: #F8FAFC;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .34);
}
.vls-about-hero .vls-btn--ghost:hover,
.vls-about-hero .vls-btn--ghost:focus {
  color: #fff;
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .62);
}
.vls-about-hero .vls-btn--ghost svg {
  color: currentColor;
}

/* ------ Stats bar ----------------------------------------- */
.vls-about-stats-bar {
  background: #0D1832;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.vls-about-stats-bar__inner {
  display: flex;
  align-items: center;
  padding: 24px 0;
  gap: 0;
}
.vls-about-stat {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 1;
  padding: 0 var(--sp-6);
}
.vls-about-stat__icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 193, 7, .12);
  border-radius: var(--r-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFC107;
  flex-shrink: 0;
}
.vls-about-stat__body {}
.vls-about-stat__num {
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -.02em;
}
.vls-about-stat__num span {
  font-size: var(--fs-16);
  color: #FFC107;
}
.vls-about-stat__label {
  font-family: var(--font-body);
  font-size: var(--fs-12);
  color: rgba(255, 255, 255, .45);
  margin-top: 3px;
}
.vls-about-stat__div {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, .1);
  flex-shrink: 0;
}

/* ------ Mission ------------------------------------------- */
.vls-about-mission {
  padding: 80px 0;
  background: var(--bg-body, #F7F7F5);
}
.vls-about-mission__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.vls-about-mission__text p {
  font-family: var(--font-body);
  font-size: var(--fs-15);
  color: var(--fg-2);
  line-height: 1.7;
  margin-top: var(--sp-4);
}
.vls-about-mission__text p:first-of-type { margin-top: var(--sp-5); }

.vls-about-mission__visual {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.vls-about-mission__card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: var(--sp-5);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.vls-about-mission__card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-2);
}
.vls-about-mission__card-icon {
  width: 52px;
  height: 52px;
  background: #ECEFF4;
  border-radius: var(--r-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1F3355;
  flex-shrink: 0;
}
.vls-about-mission__card-title {
  font-family: var(--font-display);
  font-size: var(--fs-15);
  font-weight: 700;
  color: var(--fg-1);
  margin-bottom: 4px;
}
.vls-about-mission__card-sub {
  font-family: var(--font-body);
  font-size: var(--fs-13);
  color: var(--fg-2);
  line-height: 1.5;
}

/* ------ Section labels ------------------------------------ */
.vls-about-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-3);
}
.vls-about-section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--fg-1);
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0;
}
.vls-about-section-head {
  text-align: center;
  margin-bottom: var(--sp-10);
}
.vls-about-section-head .vls-about-section-label { display: block; }

/* ------ Values -------------------------------------------- */
.vls-about-values {
  padding: 80px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
}
.vls-about-values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
.vls-about-value-card {
  background: var(--bg-body, #F7F7F5);
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: var(--sp-6);
  transition: border-color var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
}
.vls-about-value-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
.vls-about-value-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(31, 51, 85, .08);
  border-radius: var(--r-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1F3355;
  margin-bottom: var(--sp-4);
}
.vls-about-value-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--fg-1);
  margin: 0 0 var(--sp-3);
}
.vls-about-value-card__desc {
  font-family: var(--font-body);
  font-size: var(--fs-13);
  color: var(--fg-2);
  line-height: 1.6;
  margin: 0;
}

/* ------ Story / Timeline ---------------------------------- */
.vls-about-story {
  padding: 80px 0;
  background: var(--bg-body, #F7F7F5);
}
.vls-about-story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.vls-about-story__text p {
  font-family: var(--font-body);
  font-size: var(--fs-15);
  color: var(--fg-2);
  line-height: 1.7;
  margin-top: var(--sp-4);
}
.vls-about-story__text p:first-of-type { margin-top: var(--sp-5); }

.vls-about-story__timeline {
  position: relative;
  padding-left: var(--sp-6);
}
.vls-about-story__timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-2);
}
.vls-about-timeline-item {
  position: relative;
  margin-bottom: var(--sp-7);
  padding-left: var(--sp-5);
}
.vls-about-timeline-item:last-child { margin-bottom: 0; }
.vls-about-timeline-item__dot {
  position: absolute;
  left: -26px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #FFC107;
  border: 2px solid var(--bg-body, #F7F7F5);
  box-shadow: 0 0 0 2px #FFC107;
}
.vls-about-timeline-item__year {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--sp-2);
}
.vls-about-timeline-item__desc {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  color: var(--fg-2);
  line-height: 1.6;
}

/* ------ CTA ----------------------------------------------- */
.vls-about-cta {
  background: linear-gradient(135deg, #0D1832 0%, #1F3355 100%);
  padding: 72px 0;
}
.vls-about-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.vls-about-cta__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: #fff;
  margin: 0 0 var(--sp-2);
}
.vls-about-cta__sub {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, .5);
  margin: 0;
}
.vls-about-cta__actions {
  display: flex;
  gap: var(--sp-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}
/* Nút ghost trên nền tối: chữ + viền sáng để nhìn rõ */
.vls-about-cta .vls-btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, .3);
}
.vls-about-cta .vls-btn--ghost:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
}

/* ------ Responsive ---------------------------------------- */
@media (max-width: 1100px) {
  .vls-about-values__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .vls-about-mission__grid,
  .vls-about-story__grid { grid-template-columns: 1fr; gap: 40px; }
  .vls-about-stats-bar__inner { flex-wrap: wrap; }
  .vls-about-stat { flex-basis: calc(50% - 1px); }
  .vls-about-stat__div:nth-child(2) { display: none; }
  .vls-about-cta__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .vls-about-hero { padding: 56px 0 48px; }
  .vls-about-values__grid { grid-template-columns: 1fr; }
  .vls-about-stats-bar__inner { flex-direction: column; gap: var(--sp-5); padding: 24px 0; }
  .vls-about-stat__div { display: none; }
  .vls-about-stat { padding: 0; }
  .vls-about-cta { padding: 48px 0; }
}