/* style/contact.css */

:root {
  --bg-color: #08160F;
  --card-bg-color: #11271B;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;
}

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

.page-contact__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã padding-top: var(--header-offset), đây là top-padding trang trí */
  overflow: hidden;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao cho ảnh hero */
  overflow: hidden;
  position: relative;
  z-index: 0;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm mờ để chữ dễ đọc hơn */
}

.page-contact__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-top: -200px; /* Đặt nội dung lên trên ảnh một chút */
  background: rgba(8, 22, 15, 0.8); /* Nền tối để chữ nổi bật */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-contact__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--gold-color);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-contact__hero-description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-main-color);
  margin-bottom: 30px;
}

.page-contact__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.page-contact__btn-primary {
  background: var(--button-gradient);
  color: var(--text-main-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-contact__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-contact__section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 25px;
  font-weight: bold;
}

.page-contact__section-description {
  font-size: 1.1rem;
  color: var(--text-secondary-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-contact__dark-bg {
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
}

.page-contact__light-bg {
  background-color: var(--text-main-color);
  color: var(--bg-color);
}

.page-contact__channels-section {
  padding: 80px 0;
}

.page-contact__channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-contact__channel-card {
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-contact__card-title {
  font-size: 1.8rem;
  color: var(--gold-color);
  margin-bottom: 15px;
}

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

.page-contact__contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-contact__contact-list li {
  margin-bottom: 10px;
}

.page-contact__contact-link {
  color: var(--glow-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-contact__contact-link:hover {
  color: var(--gold-color);
  text-decoration: underline;
}

.page-contact__channels-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-top: 40px;
}

.page-contact__purpose-section {
  padding: 80px 0;
  background-color: var(--bg-color);
}

.page-contact__purpose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 50px;
}

.page-contact__purpose-item {
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-contact__item-title {
  font-size: 1.5rem;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-contact__item-text {
  font-size: 0.95rem;
  color: var(--text-secondary-color);
}

.page-contact__purpose-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-top: 40px;
}

.page-contact__form-section {
  padding: 80px 0;
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px;
  background-color: var(--card-bg-color);
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-contact__form-group {
  margin-bottom: 20px;
}

.page-contact__form-label {
  display: block;
  font-size: 1.1rem;
  color: var(--text-main-color);
  margin-bottom: 8px;
  font-weight: bold;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: var(--deep-green-color);
  color: var(--text-main-color);
  font-size: 1rem;
  box-sizing: border-box;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: var(--text-secondary-color);
  opacity: 0.7;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  outline: none;
  border-color: var(--glow-color);
  box-shadow: 0 0 0 3px rgba(87, 227, 141, 0.3);
}

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

.page-contact__form-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-top: 40px;
}

.page-contact__faq-section {
  padding: 80px 0;
  background-color: var(--bg-color);
}

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

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

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--gold-color);
  cursor: pointer;
  background-color: var(--deep-green-color);
  transition: background-color 0.3s ease;
}

.page-contact__faq-question:hover {
  background-color: var(--border-color);
}

.page-contact__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow-color);
}

.page-contact__faq-item[open] .page-contact__faq-toggle {
  content: '−';
}

.page-contact__faq-answer {
  padding: 15px 25px 25px 25px;
  font-size: 1rem;
  color: var(--text-secondary-color);
  line-height: 1.7;
  /* For details tag, browser handles visibility. For div fallback, this would be animated */
}

.page-contact__faq-item details > summary {
  list-style: none;
}

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

.page-contact__faq-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-top: 40px;
}

.page-contact__company-info-section {
  padding: 80px 0;
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
}

.page-contact__info-details {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--deep-green-color);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-contact__info-details p {
  margin-bottom: 10px;
  font-size: 1.05rem;
  color: var(--text-secondary-color);
}

.page-contact__info-details p strong {
  color: var(--text-main-color);
}

.page-contact__info-link {
  color: var(--glow-color);
  text-decoration: none;
  font-weight: bold;
}

.page-contact__info-link:hover {
  text-decoration: underline;
  color: var(--gold-color);
}

.page-contact__company-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-top: 40px;
}

.text-highlight {
  color: var(--gold-color);
  font-weight: bold;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-contact__hero-content {
    margin-top: -150px;
    padding: 25px;
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-contact__hero-content {
    margin-top: -100px;
    padding: 20px;
  }

  .page-contact__main-title {
    font-size: 2.2rem;
  }

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

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

  .page-contact__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-contact__container {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-contact__channels-grid,
  .page-contact__purpose-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-contact__channel-card,
  .page-contact__purpose-item,
  .page-contact__contact-form,
  .page-contact__info-details {
    padding: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Image responsive rules */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-contact__hero-image-wrapper,
  .page-contact__channels-image,
  .page-contact__purpose-image,
  .page-contact__form-image,
  .page-contact__faq-image,
  .page-contact__company-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Button responsive rules */
  .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__contact-form button[type="submit"] {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

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

  .page-contact__faq-answer {
    font-size: 0.9rem;
    padding: 10px 20px 20px 20px;
  }

  .page-contact__form-input,
  .page-contact__form-textarea {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .page-contact__hero-content {
    margin-top: -80px;
  }

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

  .page-contact__cta-button {
    font-size: 1rem;
    padding: 12px 25px;
  }
}