/* style/contact.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các section đầu tiên. */

:root {
  --page-contact-primary-color: #11A84E;
  --page-contact-secondary-color: #22C768;
  --page-contact-bg-color: #08160F;
  --page-contact-card-bg: #11271B;
  --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-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

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

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  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;
  padding-top: 10px; /* Small top padding, header offset handled by body */
  background-color: var(--page-contact-bg-color);
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-contact__hero-content {
  max-width: 900px;
  padding: 0 20px;
  z-index: 1;
}

.page-contact__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--page-contact-gold-color);
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-contact__description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--page-contact-text-secondary);
  margin-bottom: 30px;
}

.page-contact__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--page-contact-gold-color);
  text-align: center;
  margin-bottom: 20px;
}

.page-contact__section-description {
  font-size: 1rem;
  line-height: 1.6;
  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__form-section,
.page-contact__cta-section {
  padding: 80px 0;
  background-color: var(--page-contact-bg-color);
}

.page-contact__channels-section {
  border-top: 1px solid var(--page-contact-divider-color);
  border-bottom: 1px solid var(--page-contact-divider-color);
}

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

.page-contact__channel-card {
  background-color: var(--page-contact-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-contact-border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-contact__channel-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px var(--page-contact-glow-color));
}

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

.page-contact__card-text {
  font-size: 0.95rem;
  color: var(--page-contact-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.page-contact__hotline-number {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--page-contact-gold-color);
  margin-bottom: 20px;
}

.page-contact__btn-primary,
.page-contact__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__btn-primary {
  background: var(--page-contact-button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 10px rgba(42, 209, 111, 0.4);
}

.page-contact__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 6px 15px rgba(42, 209, 111, 0.6);
}

.page-contact__btn-secondary {
  background-color: transparent;
  color: var(--page-contact-gold-color);
  border: 2px solid var(--page-contact-gold-color);
}

.page-contact__btn-secondary:hover {
  background-color: var(--page-contact-gold-color);
  color: var(--page-contact-deep-green);
  border-color: var(--page-contact-gold-color);
}

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

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

.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;
  color: var(--page-contact-text-main);
}

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

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

.page-contact__faq-question:hover {
  background-color: rgba(var(--page-contact-primary-color), 0.1);
}

.page-contact__faq-qtext {
  flex-grow: 1;
  margin-right: 15px;
}

.page-contact__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--page-contact-gold-color);
}

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

.page-contact__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--page-contact-text-secondary);
}

.page-contact__form-section {
  border-bottom: 1px solid var(--page-contact-divider-color);
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--page-contact-card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-contact-border-color);
}

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

.page-contact__form-label {
  display: block;
  font-size: 1rem;
  color: var(--page-contact-text-main);
  margin-bottom: 8px;
  font-weight: 500;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--page-contact-border-color);
  border-radius: 8px;
  background-color: var(--page-contact-deep-green);
  color: var(--page-contact-text-main);
  font-size: 1rem;
  box-sizing: border-box;
}

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

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

.page-contact__contact-form .page-contact__btn-primary {
  width: auto;
  padding: 14px 30px;
  font-size: 1.1rem;
  cursor: pointer;
}

.page-contact__cta-section {
  text-align: center;
  background-color: var(--page-contact-deep-green);
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-contact__hero-section {
    padding: 40px 0;
    padding-top: 10px;
  }
  .page-contact__hero-content {
    max-width: 768px;
  }
  .page-contact__channels-section,
  .page-contact__form-section,
  .page-contact__cta-section,
  .page-contact__faq-section {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .page-contact__container,
  .page-contact__channels-grid,
  .page-contact__faq-list,
  .page-contact__contact-form,
  .page-contact__cta-buttons {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .page-contact__hero-section {
    padding: 30px 0;
    padding-top: 10px !important;
  }

  .page-contact__main-title {
    font-size: 2rem;
  }

  .page-contact__description {
    font-size: 1rem;
  }

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

  .page-contact__section-description {
    font-size: 0.95rem;
  }

  .page-contact__channels-grid {
    grid-template-columns: 1fr;
  }

  .page-contact__channel-icon {
    width: 80px;
    height: 80px;
  }

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

  .page-contact__card-title {
    font-size: 1.3rem;
  }

  .page-contact__card-text {
    font-size: 0.9rem;
  }

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

  .page-contact__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }

  .page-contact__form-input,
  .page-contact__form-textarea {
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .page-contact__contact-form {
    padding: 30px 20px;
  }

  .page-contact__contact-form .page-contact__btn-primary {
    width: 100%;
  }

  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-contact__btn-primary,
  .page-contact__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  /* Video responsive enforcement (if any) */
  .page-contact video,
  .page-contact__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .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;
  }
}

/* Color contrast safety for light backgrounds within dark theme */
.page-contact__light-bg {
  background-color: #ffffff;
  color: #333333; /* Dark text for light background */
}

.page-contact__dark-section {
  background-color: var(--page-contact-deep-green);
  color: var(--page-contact-text-main);
}

/* Ensure all images maintain original color and are not filtered */
.page-contact img {
  filter: none; /* Absolutely no CSS filters to change image colors */
}