/* ===== page-about: Về Chúng Tôi ===== */
.page-about {
  background: #F5F7FA;
  color: #333333;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about__hero-section {
  background: #FFFFFF;
  padding: 10px 0 32px;
}

.page-about__hero-image-wrap {
  width: 100%;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-about__hero-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding: 24px 16px 0;
}

.page-about__main-title {
  font-weight: 800;
  color: #E53935;
  font-size: clamp(1.6rem, 2.5vw, 2.5rem);
  line-height: 1.3;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.page-about__hero-desc {
  max-width: 800px;
  margin: 0 auto 24px;
  color: #333333;
  font-size: 1.05rem;
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ---------- Buttons ---------- */
.page-about__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #FFFFFF;
}

.page-about__btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(229, 57, 53, 0.35);
}

.page-about__btn--secondary {
  background: #FFFFFF;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-about__btn--secondary:hover {
  background: #FFF0EF;
}

.page-about__btn--lg {
  padding: 14px 36px;
  font-size: 1.1rem;
  min-height: 54px;
}

.page-about__btn:hover {
  opacity: 0.92;
}

/* ---------- Section Common ---------- */
.page-about__intro-section,
.page-about__values-section,
.page-about__game-section,
.page-about__cta-section,
.page-about__commit-section {
  padding: 48px 16px;
}

.page-about__intro-inner,
.page-about__values-inner,
.page-about__game-inner,
.page-about__cta-inner,
.page-about__commit-list {
  max-width: 1200px;
  margin: 0 auto;
}

.page-about__section-title {
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  color: #E53935;
  text-align: center;
  margin: 0 0 16px;
  font-weight: 800;
  line-height: 1.3;
}

/* ---------- Intro ---------- */
.page-about__intro-section {
  background: #FFFFFF;
}

.page-about__intro-text {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.page-about__intro-text p {
  margin-bottom: 16px;
}

/* ---------- Values ---------- */
.page-about__values-desc {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.page-about__value-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  overflow: hidden;
  padding-bottom: 24px;
  transition: box-shadow 0.3s ease;
}

.page-about__value-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.page-about__value-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-about__value-title {
  font-size: 1.3rem;
  color: #E53935;
  padding: 16px 20px 8px;
  margin: 0;
}

.page-about__value-text {
  padding: 0 20px;
  margin: 0;
  font-size: 0.95rem;
}

/* ---------- Stats ---------- */
.page-about__stats-section {
  background: linear-gradient(135deg, #E53935 0%, #C62828 100%);
  padding: 40px 16px;
}

.page-about__stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.page-about__stat-item {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 28px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about__stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #FFFFFF;
  display: block;
  line-height: 1.2;
}

.page-about__stat-label {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1rem;
  font-weight: 500;
  margin-top: 6px;
}

/* ---------- Games ---------- */
.page-about__game-section {
  background: #F5F7FA;
}

.page-about__game-desc {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

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

.page-about__game-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-about__game-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.page-about__game-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 8;
}

.page-about__game-title {
  font-size: 1.2rem;
  color: #E53935;
  padding: 16px 20px 6px;
  margin: 0;
}

.page-about__game-text {
  padding: 0 20px;
  font-size: 0.95rem;
  margin: 0 0 16px;
  flex-grow: 1;
}

.page-about__game-link {
  display: block;
  margin: 0 20px 20px;
  color: #E53935;
  font-weight: 700;
  text-decoration: none;
}

.page-about__game-link:hover {
  text-decoration: underline;
}

/* ---------- CTA ---------- */
.page-about__cta-section {
  background: #FFFFFF;
  text-align: center;
}

.page-about__cta-title {
  font-size: clamp(1.5rem, 2.4vw, 2.4rem);
  color: #E53935;
  margin: 0 0 12px;
  font-weight: 800;
  line-height: 1.3;
}

.page-about__cta-desc {
  max-width: 600px;
  margin: 0 auto 24px;
}

.page-about__cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ---------- Commitments ---------- */
.page-about__commit-section {
  background: #F5F7FA;
}

.page-about__commit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.page-about__commit-list .page-about__section-title {
  grid-column: 1 / -1;
}

.page-about__commit-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  padding: 24px;
}

.page-about__commit-title {
  font-size: 1.2rem;
  color: #E53935;
  margin: 0 0 8px;
}

.page-about__commit-text {
  margin: 0;
  font-size: 0.95rem;
}

/* ===== Responsive: 1024px ===== */
@media (max-width: 1024px) {
  .page-about__values-grid {
    gap: 20px;
  }

  .page-about__game-grid {
    gap: 20px;
  }
}

/* ===== Responsive: 768px ===== */
@media (max-width: 768px) {
  .page-about__hero-image {
    aspect-ratio: 2 / 1;
  }

  .page-about__hero-content {
    padding-top: 20px;
  }

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

  .page-about__value-card {
    grid-column: auto !important;
  }

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

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

  .page-about__commit-list {
    grid-template-columns: 1fr;
  }

  .page-about img {
    max-width: 100%;
    height: auto;
  }

  .page-about__btn {
    max-width: 100%;
  }

  .page-about__hero-actions,
  .page-about__cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .page-about__btn {
    width: 100%;
    max-width: 360px;
  }
}

/* ===== Responsive: 480px ===== */
@media (max-width: 480px) {
  .page-about__values-grid,
  .page-about__game-grid {
    grid-template-columns: 1fr;
  }

  .page-about__stats-inner {
    grid-template-columns: 1fr;
  }

  .page-about__stat-number {
    font-size: 1.8rem;
  }

  .page-about__intro-section,
  .page-about__values-section,
  .page-about__game-section,
  .page-about__cta-section,
  .page-about__commit-section {
    padding: 32px 12px;
  }
}