/* style/contact.css */

/* Biến CSS cho màu sắc */
:root {
  --primary-color: #CC0000; /* Đỏ đậm */
  --secondary-color: #FFD700; /* Vàng kim */
  --dark-text-color: #333333;
  --light-text-color: #FFFFFF;
  --background-light: #F8F8F8;
  --background-dark: #222222;
  --card-background: #FFFFFF;
  --border-color: #E0E0E0;
}

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

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

.page-contact h1, .page-contact h2, .page-contact h3 {
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 15px;
}

.page-contact h1 {
  font-size: 2.8em;
  text-align: center;
  color: var(--light-text-color);
}

.page-contact h2 {
  font-size: 2.2em;
  text-align: center;
  margin-top: 40px;
  margin-bottom: 30px;
  color: var(--dark-text-color);
}

.page-contact h3 {
  font-size: 1.6em;
  color: var(--primary-color);
}

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

.page-contact a {
  color: var(--primary-color);
  text-decoration: none;
}

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

/* Hero Section */
.page-contact .hero-contact-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #a80000 100%);
  padding: 80px 0;
  color: var(--light-text-color);
  text-align: center;
}

.page-contact .hero-contact-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-contact .hero-contact-image {
  width: 100%;
  max-width: 800px; /* Kích thước tối ưu cho hình ảnh chính */
  height: auto;
  border-radius: 10px;
  margin-bottom: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-contact .hero-contact-content p {
  max-width: 800px;
  margin: 0 auto 30px auto;
  font-size: 1.1em;
}

.page-contact .cta-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--dark-text-color);
  padding: 15px 35px;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-contact .cta-button:hover {
  background-color: #e6c200; /* Màu vàng đậm hơn */
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

/* Contact Channels Section */
.page-contact .contact-channels-section {
  padding: 60px 0;
  background-color: var(--background-light);
}

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

.page-contact .channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-contact .channel-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(2px 2px 5px rgba(0,0,0,0.1)); /* Cho phép đổ bóng, không thay đổi màu */
}

.page-contact .channel-card h3 {
  color: var(--primary-color);
  font-size: 1.5em;
  margin-bottom: 15px;
}

.page-contact .contact-info {
  font-weight: bold;
  margin-top: 15px;
}

.page-contact .email-link, .page-contact .phone-link {
  color: var(--primary-color);
  font-weight: bold;
}

.page-contact .btn-channel {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--light-text-color);
  padding: 10px 25px;
  border-radius: 5px;
  margin-top: 20px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-contact .btn-channel:hover {
  background-color: #a80000;
  text-decoration: none;
}

.page-contact .social-links a {
  display: inline-block;
  margin: 0 10px;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1em;
}

/* When to Contact Section */
.page-contact .when-to-contact-section {
  padding: 60px 0;
}

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

.page-contact .reason-item {
  background-color: var(--card-background);
  border-left: 5px solid var(--primary-color);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 25px;
  transition: box-shadow 0.3s ease;
}

.page-contact .reason-item:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.page-contact .reason-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 15px;
  object-fit: contain;
}

.page-contact .reason-item h3 {
  color: var(--primary-color);
  font-size: 1.4em;
  margin-bottom: 10px;
}

.page-contact .btn-small {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--dark-text-color);
  padding: 8px 20px;
  border-radius: 5px;
  font-size: 0.95em;
  font-weight: bold;
  margin-top: 15px;
  transition: background-color 0.3s ease;
}

.page-contact .btn-small:hover {
  background-color: #e6c200;
  text-decoration: none;
}

/* Commitment Section */
.page-contact .commitment-section {
  padding: 60px 0;
  background-color: var(--background-dark);
  color: var(--light-text-color);
}

.page-contact .commitment-section h2, .page-contact .commitment-section h3 {
  color: var(--secondary-color);
}

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

.page-contact .commitment-item {
  background-color: #333333;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact .commitment-icon {
  width: 90px;
  height: 90px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(2px 2px 5px rgba(255,255,255,0.1)); /* Cho phép đổ bóng */
}

/* FAQ Section */
.page-contact .faq-section {
  padding: 60px 0;
  background-color: var(--background-light);
}

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

.faq-item {
  margin-bottom: 15px;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #f5f5f5;
}

.faq-question h3 {
  margin: 0;
  color: var(--dark-text-color);
  font-size: 1.2em;
}

.faq-toggle {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

/* FAQ default state - answer hidden */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 15px;
  background: #fdfdfd;
  border-radius: 0 0 5px 5px;
  border: 1px solid var(--border-color);
  border-top: none;
}

/* FAQ expanded state */
.faq-item.active .faq-answer {
  max-height: 500px; /* đủ để chứa nội dung */
  padding: 15px;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--primary-color);
}

/* Call to Action Section */
.page-contact .call-to-action-section {
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 60px 20px;
  text-align: center;
  color: var(--light-text-color);
}

.page-contact .call-to-action-section h2 {
  color: var(--light-text-color);
  margin-bottom: 20px;
}

.page-contact .call-to-action-section p {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: var(--light-text-color);
}

.page-contact .call-to-action-section .cta-button {
  background-color: var(--dark-text-color);
  color: var(--light-text-color);
}

.page-contact .call-to-action-section .cta-button:hover {
  background-color: #000000;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-contact h1 {
    font-size: 2.4em;
  }
  .page-contact h2 {
    font-size: 1.8em;
  }
  .page-contact .hero-contact-image {
    max-width: 600px;
  }
  .page-contact .channels-grid, .page-contact .contact-reasons-grid, .page-contact .commitment-points {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-contact h1 {
    font-size: 2em;
  }
  .page-contact h2 {
    font-size: 1.6em;
  }
  .page-contact .hero-contact-section {
    padding: 60px 0;
  }
  .page-contact .cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-contact .channel-icon, .page-contact .reason-icon, .page-contact .commitment-icon {
    width: 70px;
    height: 70px;
  }
  .faq-question {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px;
  }
  .faq-question h3 {
    font-size: 1.1em;
    margin-bottom: 8px;
  }
  .faq-toggle {
    align-self: flex-end;
    margin-top: -30px;
  }
  .faq-answer {
    padding: 12px;
  }
}

@media (max-width: 480px) {
  .page-contact h1 {
    font-size: 1.8em;
  }
  .page-contact h2 {
    font-size: 1.4em;
  }
  .page-contact .container {
    padding: 15px;
  }
  .page-contact .channels-grid, .page-contact .contact-reasons-grid, .page-contact .commitment-points {
    grid-template-columns: 1fr;
  }
  .page-contact .channel-card, .page-contact .reason-item, .page-contact .commitment-item {
    padding: 20px;
  }
}