/* style/about-us.css */

/* Biến màu */
:root {
  --primary-color: #E44D26; /* Cam đỏ mạnh mẽ */
  --secondary-color: #FFB800; /* Vàng sáng */
  --dark-text-color: #333333;
  --light-text-color: #ffffff;
  --background-light: #f8f8f8;
  --background-dark: #222222;
  --border-color: #e0e0e0;
}

/* Cấu trúc chung cho trang Về Chúng Tôi */
.page-about-us {
  font-family: 'Arial', sans-serif;
  color: var(--dark-text-color);
  line-height: 1.6;
  background-color: var(--background-light);
}

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

.page-about-us .section-title {
  font-size: 38px;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  position: relative;
  padding-bottom: 15px;
}

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

.page-about-us .section-description {
  font-size: 18px;
  text-align: center;
  margin-bottom: 50px;
  color: #666;
}

.page-about-us .cta-button {
  display: inline-block;
  padding: 15px 35px;
  background-color: var(--primary-color);
  color: var(--light-text-color);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.page-about-us .cta-button:hover {
  background-color: #D44321; /* Darker primary */
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-about-us .link-btn {
  display: inline-block;
  padding: 10px 25px;
  background-color: var(--secondary-color);
  color: var(--dark-text-color);
  text-decoration: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: bold;
  margin-top: 15px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-about-us .link-btn:hover {
  background-color: #EBB000; /* Darker secondary */
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.page-about-us .hero-about-us {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 100px 20px;
  text-align: center;
  color: var(--light-text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.page-about-us .hero-about-us .hero-content {
  max-width: 900px;
}

.page-about-us .hero-about-us h1 {
  font-size: 52px;
  margin-bottom: 25px;
  font-weight: bold;
  line-height: 1.2;
}

.page-about-us .hero-about-us p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.9;
}

/* About Intro Section */
.page-about-us .about-intro-section {
  padding: 80px 0;
  background-color: var(--background-light);
}

.page-about-us .intro-grid {
  display: flex;
  gap: 40px;
  align-items: center;
}

.page-about-us .intro-grid .intro-text {
  flex: 1;
  font-size: 17px;
  line-height: 1.8;
}

.page-about-us .intro-grid .intro-text p {
  margin-bottom: 20px;
}

.page-about-us .intro-grid .intro-image {
  flex: 1;
  text-align: center;
}

.page-about-us .intro-grid .intro-image .responsive-img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

/* Values Section */
.page-about-us .values-section {
  padding: 80px 0;
  background-color: #fff;
}

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

.page-about-us .value-item {
  text-align: center;
  padding: 30px;
  background-color: var(--background-light);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about-us .value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.page-about-us .value-item .value-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-about-us .value-item h3 {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-about-us .value-item p {
  font-size: 16px;
  color: #555;
}

/* Ecosystem Section */
.page-about-us .ecosystem-section {
  padding: 80px 0;
  background-color: var(--background-dark);
  color: var(--light-text-color);
}

.page-about-us .ecosystem-section .section-title {
  color: var(--light-text-color);
}

.page-about-us .ecosystem-section .section-title::after {
  background-color: var(--primary-color);
}

.page-about-us .ecosystem-section .section-description {
  color: #ccc;
}

.page-about-us .ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-about-us .ecosystem-item {
  background-color: #333;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-bottom: 20px;
}

.page-about-us .ecosystem-item .ecosystem-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-about-us .ecosystem-item h3 {
  font-size: 22px;
  color: var(--secondary-color);
  margin-bottom: 10px;
  padding: 0 15px;
}

.page-about-us .ecosystem-item p {
  font-size: 15px;
  color: #ccc;
  padding: 0 15px;
  margin-bottom: 15px;
}

/* Promotions Section */
.page-about-us .promotions-section {
  padding: 80px 0;
  background-color: var(--background-light);
}

.page-about-us .promotions-content {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.page-about-us .promotions-content .promotion-img {
  flex: 1;
  min-width: 300px;
  max-width: 50%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.page-about-us .promotions-content .promotion-text {
  flex: 1;
  min-width: 300px;
  font-size: 17px;
  line-height: 1.8;
}

.page-about-us .promotions-content .promotion-text ul {
  list-style: disc inside;
  margin-left: 20px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.page-about-us .promotions-content .promotion-text li {
  margin-bottom: 10px;
}

/* Support Section */
.page-about-us .support-section {
  padding: 80px 0;
  background-color: #fff;
}

.page-about-us .support-grid {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap-reverse;
}

.page-about-us .support-grid .support-image {
  flex: 1;
  min-width: 300px;
  max-width: 50%;
  text-align: center;
}

.page-about-us .support-grid .support-image .responsive-img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.page-about-us .support-grid .support-text {
  flex: 1;
  min-width: 300px;
  font-size: 17px;
  line-height: 1.8;
}

.page-about-us .support-grid .support-text ul {
  list-style: disc inside;
  margin-left: 20px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.page-about-us .support-grid .support-text li {
  margin-bottom: 10px;
}

/* FAQ Section */
.page-about-us .faq-section {
  padding: 80px 0;
  background-color: var(--background-light);
}

.page-about-us .faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-about-us .faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background-color: #fff;
}

.page-about-us .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background-color: #fff;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  color: var(--dark-text-color);
  transition: background-color 0.3s ease;
}

.page-about-us .faq-question:hover {
  background-color: #f5f5f5;
}

.page-about-us .faq-question h3 {
  margin: 0;
  font-size: 19px;
  color: var(--dark-text-color);
}

.page-about-us .faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.page-about-us .faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.page-about-us .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 20px;
  color: #555;
}

.page-about-us .faq-item.active .faq-answer {
  max-height: 500px; /* Sufficient height to contain content */
  padding: 20px;
  background-color: #f9f9f9;
  border-top: 1px solid var(--border-color);
}

.page-about-us .faq-answer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

/* Final CTA Section */
.page-about-us .final-cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--primary-color);
  color: var(--light-text-color);
}

.page-about-us .final-cta-section .section-title {
  color: var(--light-text-color);
  font-size: 42px;
}

.page-about-us .final-cta-section .section-title::after {
  background-color: var(--secondary-color);
}

.page-about-us .final-cta-section p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.page-about-us .final-cta-section .primary-cta {
  background-color: var(--secondary-color);
  color: var(--dark-text-color);
  margin-right: 20px;
}

.page-about-us .final-cta-section .primary-cta:hover {
  background-color: #EBB000;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-about-us .final-cta-section .secondary-cta {
  background-color: transparent;
  border: 2px solid var(--light-text-color);
  color: var(--light-text-color);
}

.page-about-us .final-cta-section .secondary-cta:hover {
  background-color: var(--light-text-color);
  color: var(--primary-color);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-about-us .intro-grid,
  .page-about-us .promotions-content,
  .page-about-us .support-grid {
    flex-direction: column;
  }

  .page-about-us .intro-grid .intro-image,
  .page-about-us .promotions-content .promotion-img,
  .page-about-us .support-grid .support-image {
    max-width: 100%;
  }

  .page-about-us .hero-about-us h1 {
    font-size: 42px;
  }

  .page-about-us .hero-about-us p {
    font-size: 18px;
  }

  .page-about-us .section-title {
    font-size: 32px;
  }

  .page-about-us .section-description {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .page-about-us .hero-about-us {
    padding: 80px 15px;
  }

  .page-about-us .hero-about-us h1 {
    font-size: 36px;
  }

  .page-about-us .hero-about-us p {
    font-size: 16px;
  }

  .page-about-us .section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-about-us .values-grid,
  .page-about-us .ecosystem-grid {
    grid-template-columns: 1fr;
  }

  .page-about-us .faq-question {
    padding: 15px;
    font-size: 17px;
  }

  .page-about-us .faq-question h3 {
    font-size: 17px;
  }

  .page-about-us .faq-answer {
    padding: 15px;
  }

  .page-about-us .final-cta-section .section-title {
    font-size: 34px;
  }

  .page-about-us .final-cta-section p {
    font-size: 18px;
  }

  .page-about-us .final-cta-section .primary-cta,
  .page-about-us .final-cta-section .secondary-cta {
    margin-right: 0;
    margin-bottom: 15px;
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .page-about-us .hero-about-us h1 {
    font-size: 30px;
  }

  .page-about-us .cta-button {
    padding: 12px 25px;
    font-size: 16px;
  }

  .page-about-us .section-title {
    font-size: 24px;
  }

  .page-about-us .value-item h3 {
    font-size: 20px;
  }

  .page-about-us .ecosystem-item h3 {
    font-size: 20px;
  }

  .page-about-us .promotions-content .promotion-img,
  .page-about-us .support-grid .support-image {
    min-width: unset;
    max-width: 100%;
  }

  .page-about-us .faq-question h3 {
    font-size: 16px;
  }

  .page-about-us .final-cta-section .section-title {
    font-size: 28px;
  }
}