/* style/about.css */

/* Biến CSS cho màu sắc */
:root {
  --page-about-primary-color: #003366;
  --page-about-secondary-color: #FFD700;
  --page-about-text-dark: #333333;
  --page-about-text-light: #ffffff;
  --page-about-bg-light: #f5f5f5;
  --page-about-accent-hover: #e6c200;
}

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

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

.page-about__hero-section {
  background: linear-gradient(135deg, var(--page-about-primary-color), #0055aa);
  color: var(--page-about-text-light);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about__hero-title {
  font-size: 3.5em;
  margin-bottom: 15px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-about__hero-subtitle {
  font-size: 1.5em;
  opacity: 0.9;
}

.page-about__mission-vision-section {
  padding: 60px 0;
  background-color: var(--page-about-bg-light);
}

.page-about__grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.page-about__card {
  background-color: var(--page-about-text-light);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

.page-about__card:hover {
  transform: translateY(-5px);
}

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

.page-about__card-text {
  font-size: 1.1em;
  color: var(--page-about-text-dark);
  margin-bottom: 20px;
}

.page-about__card-image {
  max-width: 100%;
  height: 200px;
  object-fit: contain;
  border-radius: 8px;
  margin-top: 15px;
}

.page-about__why-choose-us-section {
  padding: 80px 0;
  background-color: #f0f8ff;
  text-align: center;
}

.page-about__section-title {
  font-size: 2.5em;
  color: var(--page-about-primary-color);
  margin-bottom: 40px;
  font-weight: bold;
}

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

.page-about__feature-item {
  background-color: var(--page-about-text-light);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-about__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-about__feature-title {
  font-size: 1.5em;
  color: var(--page-about-primary-color);
  margin-bottom: 10px;
}

.page-about__feature-description {
  font-size: 1em;
  color: var(--page-about-text-dark);
}

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

.page-about__values-section .page-about__section-title {
  color: var(--page-about-secondary-color);
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-about__value-item {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 25px;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.page-about__value-item:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.page-about__value-title {
  font-size: 1.6em;
  color: var(--page-about-secondary-color);
  margin-bottom: 10px;
}

.page-about__value-description {
  font-size: 1em;
  opacity: 0.9;
}

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

.page-about__cta-title {
  font-size: 2.8em;
  color: var(--page-about-primary-color);
  margin-bottom: 20px;
}

.page-about__cta-text {
  font-size: 1.2em;
  color: var(--page-about-text-dark);
  margin-bottom: 40px;
}

.page-about__cta-button {
  display: inline-block;
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-primary-color);
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  margin: 0 10px;
  border: 2px solid var(--page-about-secondary-color);
}

.page-about__cta-button:hover {
  background-color: var(--page-about-accent-hover);
  transform: translateY(-2px);
}

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

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

.page-about__floating-promo {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  background-color: var(--page-about-secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transition: transform 0.3s ease;
  animation: page-about-float 2s ease-in-out infinite;
}

.page-about__floating-promo:hover {
  transform: scale(1.05);
}

.page-about__floating-promo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--page-about-primary-color);
  font-weight: bold;
  padding: 10px 15px;
}

.page-about__floating-promo-image {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 5px;
  margin-right: 10px;
}

.page-about__floating-promo-text {
  white-space: nowrap;
}

@keyframes page-about-float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
  100% { transform: translateY(0px); }
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-about__grid-layout {
    grid-template-columns: 1fr;
  }

  .page-about__hero-title {
    font-size: 2.8em;
  }

  .page-about__hero-subtitle {
    font-size: 1.2em;
  }

  .page-about__section-title {
    font-size: 2em;
  }

  .page-about__features-grid, .page-about__values-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding: 80px 0;
  }

  .page-about__hero-title {
    font-size: 2.2em;
  }

  .page-about__hero-subtitle {
    font-size: 1em;
  }

  .page-about__card, .page-about__feature-item, .page-about__value-item {
    padding: 20px;
  }

  .page-about__cta-title {
    font-size: 2em;
  }

  .page-about__cta-text {
    font-size: 1em;
  }

  .page-about__cta-button {
    padding: 12px 25px;
    font-size: 1em;
    margin: 5px;
  }
  
  .page-about__floating-promo {
    bottom: 15px;
    right: 15px;
  }

  .page-about__floating-promo a {
    padding: 8px 12px;
  }

  .page-about__floating-promo-image {
    width: 40px;
    height: 40px;
  }

  .page-about__floating-promo-text {
    font-size: 0.9em;
  }
}

@media (max-width: 480px) {
  .page-about__hero-title {
    font-size: 1.8em;
  }

  .page-about__hero-subtitle {
    font-size: 0.9em;
  }

  .page-about__section-title {
    font-size: 1.8em;
  }

  .page-about__features-grid, .page-about__values-grid {
    grid-template-columns: 1fr;
  }

  .page-about__cta-button {
    display: block;
    width: calc(100% - 20px);
    margin: 10px auto;
  }

  .page-about__floating-promo {
    bottom: 10px;
    right: 10px;
  }

  .page-about__floating-promo a {
    padding: 6px 10px;
  }

  .page-about__floating-promo-image {
    width: 35px;
    height: 35px;
  }

  .page-about__floating-promo-text {
    font-size: 0.8em;
  }
}