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

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #ffffff;
  --bg-dark: #0a0a0a;
  --btn-login: #EA7C07;
}

.page-contact {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Mặc định chữ sáng trên nền body tối */
  background-color: var(--bg-dark); /* Nền tối cho main content, đồng bộ với body */
}

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

.page-contact__section-title {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
  line-height: 1.2;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.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; /* Nhỏ hơn để không bị double padding với body */
  min-height: 500px;
  overflow: hidden;
  color: var(--text-light);
}

.page-contact__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.3; /* Tạo lớp phủ để chữ dễ đọc hơn */
}

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.5); /* Nền tối nhẹ để chữ nổi bật */
  border-radius: 8px;
}

.page-contact__hero-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Sử dụng clamp để H1 không quá lớn trên mobile */
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--secondary-color);
}

.page-contact__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.5;
}

/* General Section Styles */
.page-contact__why-contact-section,
.page-contact__form-section,
.page-contact__commitment-section {
  padding: 80px 0;
  color: var(--text-dark);
  background-color: var(--secondary-color);
}

.page-contact__dark-bg {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

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

/* Feature Grid (Why Contact) */
.page-contact__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__feature-card {
  background: var(--secondary-color);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-dark);
}

.page-contact__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-contact__feature-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-contact__feature-text {
  font-size: 1em;
  line-height: 1.6;
}

/* Contact Channels */
.page-contact__channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__channel-card {
  background: rgba(255, 255, 255, 0.08); /* Nền hơi trong suốt */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background 0.3s ease;
  color: var(--text-light);
}

.page-contact__channel-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.page-contact__channel-icon {
  width: 100%;
  height: auto;
  max-width: 200px;
  margin: 0 auto 20px;
  display: block;
  border-radius: 8px;
}

.page-contact__channel-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-contact__channel-text {
  font-size: 1em;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Contact Form */
.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  padding: 30px;
  background: var(--secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: var(--text-dark);
}

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

.page-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 1.1em;
  color: var(--text-dark);
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1em;
  box-sizing: border-box;
  color: var(--text-dark);
  background-color: #f9f9f9;
}

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

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: #aaa;
}

/* FAQ Section */
.page-contact__faq-list {
  max-width: 800px;
  margin: 40px auto 0;
}

.page-contact__faq-item {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-light);
}

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

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

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: 600;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--secondary-color);
  transition: background-color 0.3s ease;
}

.page-contact__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-contact__faq-item[open] .page-contact__faq-question {
  background-color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.page-contact__faq-qtext {
  flex-grow: 1;
}

.page-contact__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--secondary-color);
}

.page-contact__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: var(--text-light);
}

.page-contact__faq-answer p {
  margin-bottom: 0;
  color: var(--text-light);
}

.page-contact__faq-answer a {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-contact__faq-more {
  text-align: center;
  margin-top: 30px;
  font-size: 1.1em;
  color: var(--text-light);
}

.page-contact__faq-more a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Commitment Section */
.page-contact__commitment-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.page-contact__commitment-list li {
  background: #f0f0f0;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: var(--text-dark);
  font-size: 1.05em;
}

.page-contact__commitment-item-title {
  display: block;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.2em;
}

.page-contact__commitment-list li a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Final CTA Section */
.page-contact__final-cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* Buttons */
.page-contact__btn-primary,
.page-contact__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-sizing: border-box;
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ */
  max-width: 100%;
}

.page-contact__btn-primary {
  background: var(--primary-color);
  color: var(--secondary-color);
  border-color: var(--primary-color);
}

.page-contact__btn-primary:hover {
  background: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

.page-contact__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.page-contact__form-submit {
  background: var(--btn-login);
  border-color: var(--btn-login);
  color: var(--secondary-color);
  width: auto;
  padding-left: 40px;
  padding-right: 40px;
  display: block; /* Đảm bảo nút chiếm toàn bộ chiều rộng có sẵn */
  margin: 30px auto 0; /* Căn giữa */
}

.page-contact__form-submit:hover {
  background: darken(var(--btn-login), 10%);
  border-color: darken(var(--btn-login), 10%);
}


/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact__section-title {
    font-size: 2em;
  }

  .page-contact__hero-title {
    font-size: clamp(1.8em, 5vw, 3em);
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
    min-height: 400px;
  }

  .page-contact__hero-content {
    padding: 15px;
  }

  .page-contact__hero-title {
    font-size: clamp(1.5em, 6vw, 2.5em);
  }

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

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

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

  .page-contact__why-contact-section,
  .page-contact__form-section,
  .page-contact__commitment-section,
  .page-contact__contact-channels-section,
  .page-contact__faq-section,
  .page-contact__final-cta-section {
    padding: 40px 0;
  }

  .page-contact__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  /* Card/Container responsiveness */
  .page-contact__feature-card,
  .page-contact__channel-card {
    padding: 20px;
  }

  /* Form responsiveness */
  .page-contact__contact-form {
    padding: 20px;
  }

  /* Button responsiveness */
  .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 */
  }

  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-contact__cta-buttons a {
    margin-bottom: 0; /* Reset margin-bottom cho các nút trong flex container */
  }

  .page-contact__form-submit {
    width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* FAQ responsiveness */
  .page-contact__faq-question {
    font-size: 1.05em;
    padding: 15px 20px;
  }

  .page-contact__faq-answer {
    padding: 10px 20px 15px;
  }

  .page-contact__commitment-list li {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .page-contact__section-title {
    font-size: 1.5em;
  }

  .page-contact__hero-title {
    font-size: clamp(1.2em, 7vw, 2em);
  }

  .page-contact__btn-primary,
  .page-contact__btn-secondary {
    font-size: 1em;
    padding: 12px 20px;
  }
}