/* style/support.css */
:root {
  --primary-color: #0A2342;
  --secondary-color: #FFD700;
  --text-dark: #333333;
  --text-light: #ffffff;
  --background-light: #f4f4f4;
  --background-dark: #0A2342;
  --accent-red: #cc0000;
}

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

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

.page-support-section {
  padding: 60px 0;
  text-align: center;
}

.page-support-section:nth-child(even) {
  background-color: #ffffff;
}

.page-support h1,
.page-support h2,
.page-support h3 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.page-support h1 {
  font-size: 3.2em;
  font-weight: bold;
  color: var(--text-light);
}

.page-support h2 {
  font-size: 2.5em;
  font-weight: bold;
  margin-top: 0;
}

.page-support h3 {
  font-size: 1.8em;
  font-weight: 600;
}

.page-support p {
  font-size: 1.1em;
  margin-bottom: 15px;
}

/* Hero Section */
.page-support-hero {
  background: linear-gradient(135deg, var(--primary-color), #000d1a);
  color: var(--text-light);
  padding: 80px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-support-hero .page-support-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  text-align: left;
}

.page-support-hero-content {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
}

.page-support-hero-content h1 {
  margin-bottom: 25px;
  line-height: 1.2;
}

.page-support-hero-content p {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.page-support-hero-image {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support-hero-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-support-cta-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 15px 35px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-support-cta-button:hover {
  background-color: #e6c200;
  transform: translateY(-3px);
}

/* Contact Section */
.page-support-contact h2 {
  color: var(--primary-color);
}

.page-support-contact-methods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.page-support-method-card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 30px;
  width: 100%;
  max-width: 350px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.page-support-card-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-support-method-card h3 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 15px;
}

.page-support-method-card p {
  font-size: 1em;
  color: #555555;
  flex-grow: 1;
}

.page-support-method-button {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 10px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 20px;
  transition: background-color 0.3s ease;
}

.page-support-method-button:hover {
  background-color: #07172e;
}

.page-support-note {
  font-size: 0.9em;
  color: #777777;
  margin-top: 30px;
}

/* Guides Section */
.page-support-guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support-guide-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-support-guide-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-support-guide-card h3 {
  font-size: 1.4em;
  margin: 20px 20px 10px 20px;
  color: var(--primary-color);
  min-height: 50px;
}

.page-support-guide-card h3 a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.page-support-guide-card h3 a:hover {
  color: var(--secondary-color);
}

.page-support-guide-card p {
  font-size: 0.95em;
  color: #666666;
  padding: 0 20px;
  margin-bottom: 20px;
}

.page-support-read-more {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 8px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  margin: 0 20px 20px 20px;
  transition: background-color 0.3s ease;
}

.page-support-read-more:hover {
  background-color: #e6c200;
}

/* FAQ Section */
.page-support-faq-list {
  margin-top: 40px;
  text-align: left;
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background-color: #ffffff;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background-color: #f9f9f9;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: #f0f0f0;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.3em;
  color: var(--primary-color);
}

.faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--secondary-color);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background-color: #ffffff;
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 20px 25px;
  border-top: 1px solid #e0e0e0;
}

.faq-item.active .faq-answer p {
  margin-bottom: 10px;
  color: #444444;
}

.page-support-app-download-link,
.page-support-promo-link {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 8px 15px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  margin-top: 10px;
  transition: background-color 0.3s ease;
}

.page-support-app-download-link:hover,
.page-support-promo-link:hover {
  background-color: #e6c200;
}

/* Security Section */
.page-support-security {
  background-color: var(--background-dark);
  color: var(--text-light);
}

.page-support-security h2 {
  color: var(--secondary-color);
}

.page-support-security p {
  color: rgba(255, 255, 255, 0.8);
}

.page-support-security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support-feature-item {
  background-color: #1a3a5a; /* Darker shade of primary */
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-support-feature-item:hover {
  transform: translateY(-5px);
  background-color: #2b4f70;
}

.page-support-feature-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-support-feature-item h3 {
  color: var(--secondary-color);
  margin-top: 0;
  margin-bottom: 15px;
}

.page-support-feature-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95em;
}

/* Feedback Section */
.page-support-feedback-form {
  max-width: 700px;
  margin: 40px auto 0 auto;
  background-color: #ffffff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  text-align: left;
}

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

.page-support-form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--primary-color);
  font-size: 1.05em;
}

.page-support-form-group input[type="text"],
.page-support-form-group input[type="email"],
.page-support-form-group textarea {
  width: calc(100% - 20px);
  padding: 12px;
  border: 1px solid #cccccc;
  border-radius: 5px;
  font-size: 1em;
  color: var(--text-dark);
  transition: border-color 0.3s ease;
}

.page-support-form-group input[type="text"]:focus,
.page-support-form-group input[type="email"]:focus,
.page-support-form-group textarea:focus {
  border-color: var(--secondary-color);
  outline: none;
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.3);
}

.page-support-form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.page-support-submit-button {
  display: block;
  width: 100%;
  padding: 15px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 5px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-support-submit-button:hover {
  background-color: #07172e;
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-support-hero .page-support-container {
    flex-direction: column;
    text-align: center;
  }

  .page-support-hero-content,
  .page-support-hero-image {
    max-width: 100%;
  }

  .page-support-hero-image {
    order: -1; /* Image first on mobile */
    margin-bottom: 30px;
  }

  .page-support h1 {
    font-size: 2.5em;
  }

  .page-support h2 {
    font-size: 2em;
  }

  .page-support h3 {
    font-size: 1.6em;
  }

  .page-support-contact-methods,
  .page-support-guide-cards,
  .page-support-security-features {
    grid-template-columns: 1fr;
  }

  .page-support-method-card,
  .page-support-guide-card,
  .page-support-feature-item {
    max-width: 100%;
  }

  .faq-question {
    padding: 15px 20px;
  }

  .faq-question h3 {
    font-size: 1.1em;
  }

  .faq-toggle {
    font-size: 20px;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
}

@media (max-width: 768px) {
  .page-support-section {
    padding: 40px 0;
  }

  .page-support h1 {
    font-size: 2em;
  }

  .page-support h2 {
    font-size: 1.8em;
  }

  .page-support h3 {
    font-size: 1.4em;
  }

  .page-support p {
    font-size: 1em;
  }

  .page-support-cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-support-feedback-form {
    padding: 25px;
  }

  .page-support-form-group input,
  .page-support-form-group textarea {
    padding: 10px;
    font-size: 0.95em;
  }

  .page-support-submit-button {
    padding: 12px;
    font-size: 1em;
  }
}