/* style/about.css */

/* Biến CSS */
:root {
  --page-about-primary-color: #0A2463;
  --page-about-secondary-color: #E3BA2E;
  --page-about-text-dark: #333333;
  --page-about-text-light: #ffffff;
  --page-about-bg-light: #f8f8f8;
  --page-about-bg-dark: #0A2463;
  --page-about-border-color: #e0e0e0;
}

.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-about-text-dark);
}

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

.page-about__hero {
  background: linear-gradient(135deg, var(--page-about-primary-color), #214b94);
  color: var(--page-about-text-light);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about__hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.page-about__hero .page-about__container {
  position: relative;
  z-index: 2;
}

.page-about__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: bold;
  color: var(--page-about-text-light);
}

.page-about__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-about__section:nth-child(odd) {
  background-color: var(--page-about-bg-light);
}

.page-about__section-title {
  font-size: 2.5em;
  color: var(--page-about-primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 10px;
}

.page-about__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 80px;
  height: 4px;
  background-color: var(--page-about-secondary-color);
  border-radius: 2px;
}

.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-content {
  order: 2;
}

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

.page-about__grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
}

.page-about__image-wrapper {
  text-align: center;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-about__text-content p {
  margin-bottom: 15px;
  font-size: 1.1em;
}

.page-about__text-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-about__text-content ul li {
  background-color: rgba(227, 186, 46, 0.1);
  margin-bottom: 10px;
  padding: 10px 15px;
  border-left: 5px solid var(--page-about-secondary-color);
  border-radius: 4px;
  font-size: 1.05em;
}

.page-about__card {
  background-color: var(--page-about-text-light);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-about__card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  color: var(--page-about-primary-color);
}

.page-about__card-title {
  font-size: 1.8em;
  color: var(--page-about-primary-color);
  margin-bottom: 15px;
}

.page-about__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  margin-top: 20px;
}

.page-about__btn--primary {
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-primary-color);
  border: 2px solid var(--page-about-secondary-color);
}

.page-about__btn--primary:hover {
  background-color: #f0c94f; /* slightly lighter gold */
  transform: translateY(-3px);
}

.page-about__btn--secondary {
  background-color: transparent;
  color: var(--page-about-primary-color);
  border: 2px solid var(--page-about-primary-color);
  margin-left: 15px;
}

.page-about__btn--secondary:hover {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
  transform: translateY(-3px);
}

.page-about__cta {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
  text-align: center;
  padding: 80px 0;
}

.page-about__cta-title {
  font-size: 3em;
  margin-bottom: 20px;
  color: var(--page-about-text-light);
}

.page-about__cta-description {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-about__cta .page-about__btn--primary, 
.page-about__cta .page-about__btn--secondary {
  color: var(--page-about-primary-color);
  background-color: var(--page-about-secondary-color);
  border-color: var(--page-about-secondary-color);
  margin: 10px;
}

.page-about__cta .page-about__btn--secondary {
  background-color: transparent;
  color: var(--page-about-secondary-color);
  border-color: var(--page-about-secondary-color);
}

.page-about__cta .page-about__btn--secondary:hover {
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-primary-color);
}

.page-about__cta .page-about__btn--primary:hover {
  background-color: #f0c94f; /* slightly lighter gold */
}

.page-about .highlight {
  color: var(--page-about-primary-color);
  font-weight: bold;
}

.page-about__hero .highlight {
  color: var(--page-about-secondary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-about__hero-title {
    font-size: 2.8em;
  }
  .page-about__hero-description {
    font-size: 1.1em;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__grid {
    grid-template-columns: 1fr;
  }
  .page-about__grid--reverse .page-about__text-content {
    order: unset;
  }
  .page-about__grid--reverse .page-about__image-wrapper {
    order: unset;
  }
  .page-about__grid--3-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about__text-content ul li {
    font-size: 1em;
  }
  .page-about__cta-title {
    font-size: 2.5em;
  }
  .page-about__btn--secondary {
    margin-left: 0;
    margin-top: 15px;
  }
}

@media (max-width: 768px) {
  .page-about__hero-title {
    font-size: 2.2em;
  }
  .page-about__hero-description {
    font-size: 1em;
  }
  .page-about__section {
    padding: 40px 0;
  }
  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__grid {
    gap: 30px;
  }
  .page-about__grid--3-cols {
    grid-template-columns: 1fr;
  }
  .page-about__card {
    padding: 25px;
  }
  .page-about__card-title {
    font-size: 1.5em;
  }
  .page-about__btn {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-about__cta-title {
    font-size: 2em;
  }
  .page-about__cta-description {
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  .page-about__hero-title {
    font-size: 1.8em;
  }
  .page-about__hero-description {
    font-size: 0.95em;
  }
  .page-about__section-title {
    font-size: 1.5em;
  }
  .page-about__btn {
    display: block;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 10px;
  }
  .page-about__cta .page-about__btn--primary,
  .page-about__cta .page-about__btn--secondary {
    margin: 5px 0;
  }
  .page-about__cta-title {
    font-size: 1.8em;
  }
}