.page-contact {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--background);
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-contact__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 0 0; /* body đã có padding-top, đây chỉ là khoảng cách thêm */
  color: var(--text-main);
  overflow: hidden;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Giới hạn chiều cao của hình ảnh */
  overflow: hidden;
  position: relative;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Đảm bảo hình ảnh bao phủ toàn bộ vùng */
  object-position: center; /* Căn giữa hình ảnh */
  filter: brightness(0.7); /* Làm mờ ảnh để chữ nổi bật hơn */
}

.page-contact__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  max-width: 800px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.4); /* Nền tối để chữ nổi bật */
  border-radius: 10px;
}

.page-contact__hero-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-main);
  line-height: 1.2;
}

.page-contact__hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-contact__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-contact__section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-main);
}

.page-contact__section-title--light {
  color: var(--text-main);
}

.page-contact__section-description {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
}

.page-contact__section-description--light {
  color: var(--text-secondary);
}

.page-contact__channels-section, .page-contact__form-section, .page-contact__faq-section, .page-contact__info-section {
  padding: 80px 0;
}

.page-contact__channels-section {
  background-color: var(--card-bg);
}

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

.page-contact__channel-card {
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-contact__channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-contact__channel-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact__channel-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-contact__channel-text {
  font-size: 1rem;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-contact__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

.page-contact__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
}

.page-contact__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  background-color: transparent;
  border: 2px solid var(--primary-color, #11A84E);
  color: var(--primary-color, #11A84E);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

.page-contact__btn-secondary:hover {
  background-color: var(--primary-color, #11A84E);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-contact__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.page-contact__form-section {
  background-color: var(--background);
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 40px auto 0;
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__form-group {
  margin-bottom: 25px;
}

.page-contact__form-label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--text-main);
  font-size: 1.1rem;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--background);
  color: var(--text-main);
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: var(--text-secondary);
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--primary-color, #11A84E);
  outline: none;
}

.page-contact__form-textarea {
  resize: vertical;
}

.page-contact__form-submit-btn {
  width: 100%;
  padding: 18px;
  font-size: 1.1rem;
  font-weight: 700;
}

.page-contact__faq-section {
  background-color: var(--card-bg);
}

.page-contact__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

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

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-main);
  transition: background-color 0.3s ease;
  list-style: none;
}

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

.page-contact__faq-question:hover {
  background-color: rgba(var(--primary-color-rgb, 17, 168, 78), 0.1);
}

.page-contact__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--primary-color, #11A84E);
}

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

.page-contact__faq-answer p {
  margin-bottom: 10px;
}

.page-contact__faq-answer a {
  color: var(--primary-color, #11A84E);
  text-decoration: none;
}

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

.page-contact__info-section {
  background-color: var(--background);
}

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

.page-contact__info-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-contact__info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-contact__info-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-contact__info-text {
  font-size: 1rem;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-contact__info-card-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.page-contact__cta-bottom-section {
  background-color: var(--primary-color, #11A84E);
  padding: 80px 0;
  text-align: center;
  color: #ffffff;
}

.page-contact__cta-bottom-section .page-contact__section-title {
  color: #ffffff;
}

.page-contact__cta-bottom-section .page-contact__section-description {
  color: rgba(255, 255, 255, 0.8);
}

.page-contact__cta-bottom-section .page-contact__btn-large {
  padding: 18px 40px;
  font-size: 1.2rem;
  margin-top: 30px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  border: 2px solid #ffffff;
  color: #ffffff;
}

.page-contact__cta-bottom-section .page-contact__btn-large:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  border-color: var(--text-main);
}

/* Variables for color scheme */
:root {
  --primary-color: #11A84E;
  --primary-color-rgb: 17, 168, 78;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --deep-green: #0A4B2C;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-contact__hero-content {
    max-width: 600px;
  }
  .page-contact__channel-grid, .page-contact__info-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-contact__hero-image-wrapper {
    max-height: 300px;
  }
  .page-contact__hero-content {
    position: static;
    transform: none;
    padding: 20px;
    background-color: transparent; /* Remove background on mobile for better readability over image */
    max-width: 100%;
  }
  .page-contact__hero-title {
    font-size: 2rem;
  }
  .page-contact__hero-description {
    font-size: 1rem;
  }
  .page-contact__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-contact__btn-primary, .page-contact__btn-secondary {
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__section-title {
    font-size: 1.8rem;
  }
  .page-contact__section-description {
    font-size: 0.95rem;
  }
  .page-contact__channels-section, .page-contact__form-section, .page-contact__faq-section, .page-contact__info-section, .page-contact__cta-bottom-section {
    padding: 50px 0;
  }
  .page-contact__channel-card, .page-contact__info-card {
    padding: 20px;
  }
  .page-contact__channel-icon {
    width: 80px;
    height: 80px;
  }
  .page-contact__contact-form {
    padding: 25px;
  }
  .page-contact__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-contact__faq-answer {
    padding: 0 20px 15px;
  }

  /* Mobile image responsiveness */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-contact__section, .page-contact__card, .page-contact__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }
  .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;
  }
  .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;
  }
  .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__cta-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-contact__hero-title {
    font-size: 1.7rem;
  }
  .page-contact__hero-description {
    font-size: 0.9rem;
  }
  .page-contact__btn-primary, .page-contact__btn-secondary {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
  .page-contact__section-title {
    font-size: 1.5rem;
  }
  .page-contact__section-description {
    font-size: 0.85rem;
  }
  .page-contact__channel-card, .page-contact__info-card {
    padding: 15px;
  }
  .page-contact__channel-title, .page-contact__info-title {
    font-size: 1.2rem;
  }
  .page-contact__channel-text, .page-contact__info-text {
    font-size: 0.9rem;
  }
  .page-contact__faq-question {
    font-size: 0.95rem;
  }
  .page-contact__faq-answer {
    font-size: 0.9rem;
  }
  .page-contact__form-input, .page-contact__form-textarea {
    padding: 12px;
    font-size: 0.9rem;
  }
  .page-contact__form-submit-btn {
    padding: 15px;
    font-size: 1rem;
  }
}