/* Hơ Mông — About Us */

.about-page {
  background: var(--purple-950);
  color: rgba(255, 255, 255, 0.88);
}

.about-page .account-main {
  padding: 0;
  background: var(--purple-950);
}

/* Hero */
.about-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: about-hero-zoom 18s ease-in-out infinite alternate;
}

@keyframes about-hero-zoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.about-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(46, 16, 101, 0.55) 0%, rgba(26, 5, 51, 0.92) 100%),
    radial-gradient(ellipse at 50% 30%, rgba(239, 68, 68, 0.12), transparent 55%);
}

.about-hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: repeating-linear-gradient(
    45deg,
    var(--gold-light) 0,
    var(--gold-light) 1px,
    transparent 1px,
    transparent 24px
  );
}

.about-hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  animation: about-fade-up 1s ease;
}

@keyframes about-fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 999px;
}

.about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--gold-light) 0%, #fff 40%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.about-hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
  max-width: 560px;
  margin: 0 auto;
}

.about-hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.25rem;
  animation: about-bounce 2s ease infinite;
}

@keyframes about-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Brand story */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 20px;
  align-items: center;
}

.about-story__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(251, 191, 36, 0.3);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  aspect-ratio: 4 / 5;
}

.about-story__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about-story__img:hover img { transform: scale(1.05); }

.about-story__label {
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ef4444;
  margin-bottom: 10px;
}

.about-story__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 20px;
  line-height: 1.25;
}

.about-story__text {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 16px;
}

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

/* Cultural mission */
.about-mission {
  max-width: 960px;
  margin: 0 auto 72px;
  padding: 0 20px;
}

.about-mission__box {
  position: relative;
  padding: 48px 40px;
  background: linear-gradient(145deg, rgba(46, 16, 101, 0.85), rgba(76, 29, 149, 0.35));
  border: 3px solid var(--gold-light);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px rgba(251, 191, 36, 0.2),
    0 24px 64px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  text-align: center;
}

.about-mission__box::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.about-mission__icon {
  font-size: 2rem;
  color: var(--gold-light);
  margin-bottom: 16px;
}

.about-mission__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-light), #fff, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.about-mission__text {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 720px;
  margin: 0 auto 16px;
}

.about-mission__quote {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(251, 191, 36, 0.25);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--gold-light);
}

/* Sections */
.about-section {
  padding: 72px 0;
}

.about-section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
  padding: 0 20px;
}

.about-section__label {
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ef4444;
  margin-bottom: 10px;
}

.about-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--gold-light);
}

/* Video */
.about-video-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.about-video {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(251, 191, 36, 0.25);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  aspect-ratio: 16 / 9;
  background: #000;
}

.about-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-video__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(46, 16, 101, 0.35);
  transition: opacity 0.4s, background 0.4s;
  cursor: pointer;
}

.about-video__play.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.about-video__play:hover { background: rgba(46, 16, 101, 0.2); }

.about-video__play-btn {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ef4444, var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  padding-left: 6px;
  box-shadow: 0 12px 40px rgba(239, 68, 68, 0.5);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.about-video__play:hover .about-video__play-btn {
  transform: scale(1.08);
  box-shadow: 0 16px 48px rgba(251, 191, 36, 0.45);
}

.about-video__caption {
  text-align: center;
  margin-top: 24px;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.02em;
  padding: 0 20px;
}

/* Values */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.about-value {
  display: block;
  text-decoration: none;
  text-align: center;
  padding: 32px 20px;
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.about-value:hover {
  transform: translateY(-8px);
  border-color: rgba(251, 191, 36, 0.35);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
}

.about-value__img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 3px solid rgba(251, 191, 36, 0.45);
  box-shadow: 0 8px 32px rgba(239, 68, 68, 0.2);
}

.about-value__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-value:hover .about-value__img img { transform: scale(1.1); }

.about-value__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 10px;
}

.about-value__text {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.55;
}

/* Gallery mosaic */
.about-gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 200px;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.about-gallery__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.about-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: inherit;
  transition: border-color 0.4s ease;
  pointer-events: none;
}

.about-gallery__item:hover img { transform: scale(1.08); }
.about-gallery__item:hover::after { border-color: var(--gold-light); }

.about-gallery__item--1 { grid-column: span 7; grid-row: span 2; }
.about-gallery__item--2 { grid-column: span 5; }
.about-gallery__item--3 { grid-column: span 5; }
.about-gallery__item--4 { grid-column: span 4; grid-row: span 2; }
.about-gallery__item--5 { grid-column: span 4; }
.about-gallery__item--6 { grid-column: span 4; }

.about-gallery__tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 6px 12px;
  background: rgba(46, 16, 101, 0.75);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--gold-light);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s, transform 0.35s;
}

.about-gallery__item:hover .about-gallery__tag {
  opacity: 1;
  transform: translateY(0);
}

/* CTA */
.about-cta {
  padding: 88px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-cta__glow {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.15), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.about-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.about-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 28px;
  line-height: 1.3;
}

.about-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 48px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 45%, var(--gold) 100%);
  background-size: 200% auto;
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(239, 68, 68, 0.45);
  transition: transform 0.35s ease, box-shadow 0.35s ease, background-position 0.35s ease;
}

.about-cta__btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 52px rgba(251, 191, 36, 0.4);
  background-position: right center;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Detailed Values Articles */
.about-value-details {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.about-detail-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
  scroll-margin-top: 100px;
}

.about-detail-card:last-child {
  margin-bottom: 0;
}

.about-detail-card--reverse {
  grid-template-columns: 1fr 1.2fr;
}

.about-detail-card--reverse .about-detail-card__content {
  grid-column: 2;
}

.about-detail-card--reverse .about-detail-card__img {
  grid-column: 1;
  grid-row: 1;
}

.about-detail-card__label {
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ef4444;
  margin-bottom: 10px;
  display: inline-block;
}

.about-detail-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 20px;
  line-height: 1.25;
}

.about-detail-card__text {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 16px;
}

.about-detail-card__text:last-child {
  margin-bottom: 0;
}

.about-detail-card__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(251, 191, 36, 0.3);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  aspect-ratio: 4 / 3;
}

.about-detail-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about-detail-card__img:hover img {
  transform: scale(1.05);
}

@media (max-width: 900px) {
  .about-detail-card,
  .about-detail-card--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 60px;
  }
  .about-detail-card--reverse .about-detail-card__content,
  .about-detail-card--reverse .about-detail-card__img {
    grid-column: auto;
    grid-row: auto;
  }
  .about-detail-card__img {
    aspect-ratio: 16 / 10;
    max-height: 360px;
  }
  .about-story { grid-template-columns: 1fr; gap: 32px; }
  .about-story__img { aspect-ratio: 16 / 10; max-height: 360px; }
  .about-mission__box { padding: 36px 24px; }
  .about-values { grid-template-columns: 1fr; max-width: 400px; }
  .about-gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 180px;
  }
  .about-gallery__item--1,
  .about-gallery__item--2,
  .about-gallery__item--3,
  .about-gallery__item--4,
  .about-gallery__item--5,
  .about-gallery__item--6 {
    grid-column: span 1;
    grid-row: span 1;
  }
  .about-gallery__item--1 { grid-column: span 2; grid-row: span 2; }
}

@media (max-width: 600px) {
  .about-hero { min-height: 65vh; padding-top: 100px; }
  .about-section { padding: 56px 0; }
  .about-value__img { width: 130px; height: 130px; }
  .about-gallery { grid-template-columns: 1fr; }
  .about-gallery__item--1 { grid-column: span 1; }
}