/* style/about.css */
/* body đã có padding-top: var(--header-offset) từ shared.css, không cần thêm tại đây */
.page-about {
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background);
  line-height: 1.6;
}

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn để body xử lý offset */
  overflow: hidden;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-about__hero-content {
  max-width: 900px;
  z-index: 10;
  margin-bottom: 20px;
}

.page-about__main-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__section {
  padding: 60px 0;
  position: relative;
}

.page-about__section--introduction {
  background-color: var(--background);
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-about__section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 20px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.page-about__section-description {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--text-secondary);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
}

.page-about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.page-about__grid--reverse {
  grid-template-columns: 1fr 1fr;
}

.page-about__grid--reverse .page-about__text-block {
  order: 2;
}

.page-about__grid--reverse .page-about__image-block {
  order: 1;
}

.page-about__text-block h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-about__text-block p {
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.page-about__text-block p strong {
  color: var(--gold);
}

.page-about__text-block a {
  color: var(--glow);
  text-decoration: underline;
}

.page-about__text-block--center {
  text-align: center;
  margin-top: 30px;
}

.page-about__text-block--margin-top {
  margin-top: 40px;
}

.page-about__text-block--small {
  font-size: 0.9em;
  color: var(--text-secondary);
}

.page-about__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__value-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3), 0 0 15px var(--glow);
}

.page-about__value-title {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--glow);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-about__value-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.page-about__product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__product-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-about__product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3), 0 0 15px var(--glow);
}

.page-about__product-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-about__product-title {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--text-main);
  padding: 15px;
  font-weight: 600;
}

.page-about__product-card p {
  color: var(--text-secondary);
  padding: 0 15px 15px 15px;
  flex-grow: 1;
}

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow long words to break */
  box-sizing: border-box;
  max-width: 100%; /* Ensure button doesn't overflow */
  text-align: center;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6; /* Text Main */
  border: 2px solid transparent;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3), 0 0 15px var(--glow);
}

.page-about__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--glow);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-about__btn-secondary:hover {
  background-color: var(--deep-green);
  color: var(--text-main);
  border-color: var(--glow);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2), 0 0 10px var(--glow);
}

.page-about__product-card .page-about__btn-secondary {
  margin: 0 15px 15px 15px;
}

.page-about__section--security {
  background-color: var(--background);
}

.page-about__section--cta {
  background-color: var(--deep-green);
  text-align: center;
  padding: 80px 0;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}

.page-about__cta-content .page-about__section-title,
.page-about__cta-content .page-about__section-description {
  color: #F2FFF6;
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-about__cta-buttons--center {
  justify-content: center;
}

.page-about__support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__support-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
}

.page-about__support-title {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--glow);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-about__support-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.page-about__section--faq-area {
  background-color: var(--background);
}

.page-about__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__faq-item {
  background-color: var(--card-bg);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-about__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  background-color: var(--deep-green);
  border-bottom: 1px solid var(--divider);
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.page-about__faq-qtext {
  flex-grow: 1;
}

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow);
}

.page-about__faq-answer {
  padding: 20px 25px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-top: 1px solid var(--divider);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .page-about__grid {
    grid-template-columns: 1fr;
  }
  .page-about__grid--reverse .page-about__text-block {
    order: 1;
  }
  .page-about__grid--reverse .page-about__image-block {
    order: 2;
  }
  .page-about__hero-content {
    margin-bottom: 40px;
  }
}

@media (max-width: 768px) {
  .page-about__section {
    padding: 40px 0;
  }
  .page-about__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }
  .page-about__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-about__main-title {
    font-size: 2.2rem;
  }
  .page-about__subtitle {
    font-size: 1rem;
  }
  .page-about__section-title {
    font-size: 1.8rem;
  }
  .page-about__section-description {
    font-size: 0.9rem;
  }

  /* Image responsive */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__image-block, .page-about__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-about__product-image {
    height: 180px;
  }

  /* Button responsive */
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px;
  }
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 15px !important;
    overflow: hidden !important;
  }

  .page-about__cta-buttons .page-about__btn-primary,
  .page-about__cta-buttons .page-about__btn-secondary {
    margin: 0 auto;
  }

  .page-about__product-card .page-about__btn-secondary {
    margin: 15px;
  }

  .page-about__faq-item summary {
    padding: 15px 20px;
    font-size: 1rem;
  }
  .page-about__faq-answer {
    padding: 15px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: 1.8rem;
  }
  .page-about__section-title {
    font-size: 1.5rem;
  }
  .page-about__hero-image {
    height: auto;
  }
  .page-about__product-image {
    height: 150px;
  }
}