/* style/contact.css */

/* Biến màu */
:root {
  --page-contact-primary-color: #11A84E;
  --page-contact-secondary-color: #22C768;
  --page-contact-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-contact-card-bg: #11271B;
  --page-contact-background: #08160F;
  --page-contact-text-main: #F2FFF6;
  --page-contact-text-secondary: #A7D9B8;
  --page-contact-border-color: #2E7A4E;
  --page-contact-glow-color: #57E38D;
  --page-contact-gold-color: #F2C14E;
  --page-contact-divider-color: #1E3A2A;
  --page-contact-deep-green: #0A4B2C;
}

.page-contact {
  background-color: var(--page-contact-background);
  color: var(--page-contact-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding-bottom: 40px; /* Thêm khoảng cách cuối trang */
}

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

.page-contact__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* body đã có padding-top, đây là khoảng cách trang trí */
  background-color: var(--page-contact-deep-green);
  overflow: hidden;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: cover;
  display: block;
}

.page-contact__hero-content {
  position: relative; /* Đảm bảo nội dung nằm trên ảnh nếu cần, nhưng không chồng lấn */
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Kéo lên một chút để tạo hiệu ứng */
}

.page-contact__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--page-contact-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-contact__hero-description {
  font-size: 1.15rem;
  color: var(--page-contact-text-secondary);
  margin-bottom: 30px;
}

.page-contact__cta-button {
  display: inline-block;
  background: var(--page-contact-button-gradient);
  color: var(--page-contact-text-main);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-contact__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--page-contact-text-main);
  text-align: center;
  margin-bottom: 20px;
}

.page-contact__section-description {
  font-size: 1.1rem;
  color: var(--page-contact-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__channels-section, .page-contact__topic-support-section, .page-contact__faq-section, .page-contact__company-info-section, .page-contact__feedback-section {
  padding: 60px 0;
}

.page-contact__channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__channel-card, .page-contact__topic-card, .page-contact__info-card {
  background-color: var(--page-contact-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-contact-border-color);
  transition: transform 0.3s ease;
}

.page-contact__channel-card:hover, .page-contact__topic-card:hover, .page-contact__info-card:hover {
  transform: translateY(-5px);
}

.page-contact__channel-icon {
  width: 100%; /* Đảm bảo hình ảnh chiếm hết chiều rộng thẻ */
  height: auto;
  max-height: 250px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-contact__channel-title, .page-contact__topic-title, .page-contact__info-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--page-contact-text-main);
  margin-bottom: 15px;
}

.page-contact__channel-text, .page-contact__topic-text, .page-contact__info-text {
  font-size: 1rem;
  color: var(--page-contact-text-secondary);
  margin-bottom: 20px;
}

.page-contact__email-address, .page-contact__phone-number {
  font-size: 1.1rem;
  color: var(--page-contact-text-main);
  margin-bottom: 20px;
}

.page-contact__btn-primary {
  display: inline-block;
  background: var(--page-contact-button-gradient);
  color: var(--page-contact-text-main);
  padding: 12px 25px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-contact__btn-primary:hover {
  opacity: 0.9;
}

.page-contact__btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--page-contact-primary-color);
  padding: 12px 25px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--page-contact-primary-color);
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-contact__btn-secondary:hover {
  background-color: var(--page-contact-primary-color);
  color: var(--page-contact-text-main);
}

.page-contact__topic-grid, .page-contact__info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__topic-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
  text-align: left;
}

.page-contact__topic-list li {
  color: var(--page-contact-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.page-contact__topic-list li::before {
  content: '✔';
  color: var(--page-contact-glow-color);
  position: absolute;
  left: 0;
  top: 0;
}

.page-contact__faq-list {
  margin-top: 40px;
}

.page-contact__faq-item {
  background-color: var(--page-contact-card-bg);
  border: 1px solid var(--page-contact-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-contact__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--page-contact-text-main);
  list-style: none;
}

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

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

.page-contact__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
  margin-left: 15px;
  color: var(--page-contact-primary-color);
}

.page-contact__faq-item[open] .page-contact__faq-toggle {
  transform: rotate(45deg);
}

.page-contact__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--page-contact-text-secondary);
  line-height: 1.7;
}

.page-contact__faq-answer p {
  margin-bottom: 15px;
}

.page-contact__faq-link {
  color: var(--page-contact-primary-color);
  text-decoration: none;
  font-weight: 600;
}

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

.page-contact__feedback-section {
  text-align: center;
  padding: 80px 0;
  background-color: var(--page-contact-deep-green);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-contact {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-contact__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-contact__hero-content {
    margin-top: -50px;
    padding: 20px;
  }

  .page-contact__main-title {
    font-size: 2.2rem; /* Adjusted for mobile */
  }

  .page-contact__hero-description {
    font-size: 1rem;
  }

  .page-contact__cta-button,
  .page-contact__btn-primary,
  .page-contact__btn-secondary,
  .page-contact a[class*="button"],
  .page-contact 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-left: 15px;
    padding-right: 15px;
    margin-bottom: 10px; /* Thêm khoảng cách giữa các nút nếu xếp chồng */
  }

  .page-contact__cta-buttons,
  .page-contact__button-group,
  .page-contact__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-contact__channel-grid, .page-contact__topic-grid, .page-contact__info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-contact__channel-card, .page-contact__topic-card, .page-contact__info-card {
    padding: 25px;
  }

  .page-contact__channel-title, .page-contact__topic-title, .page-contact__info-title {
    font-size: 1.5rem;
  }

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

  .page-contact__faq-answer {
    padding: 0 20px 15px 20px;
  }

  .page-contact__section-title {
    font-size: 1.8rem;
  }

  .page-contact__section-description {
    font-size: 1rem;
  }

  .page-contact__channels-section, .page-contact__topic-support-section, .page-contact__faq-section, .page-contact__company-info-section, .page-contact__feedback-section {
    padding: 40px 0;
  }

  /* Mobile image and video responsive rules */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-contact video,
  .page-contact__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__video-section,
  .page-contact__video-container,
  .page-contact__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no horizontal scroll */
  }

  .page-contact__hero-section {
    padding-top: 10px !important;
  }
}