/* style/index-top-platforms.css */
.page-index-top-platforms {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Light grey for general text on dark background */
  background-color: #0A2342;
  line-height: 1.6;
}

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

.page-index-top-platforms-section-title {
  color: #F5B041; /* Auxiliary color for titles */
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index-top-platforms-section-description {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 40px;
  color: #CCCCCC;
}

/* Hero Section */
.page-index-top-platforms-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 0;
  overflow: hidden;
  min-height: 600px;
}

.page-index-top-platforms-hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.4);
}

.page-index-top-platforms-hero .page-index-top-platforms-container {
  position: relative;
  z-index: 1;
}

.page-index-top-platforms-hero-title {
  font-size: 3.8em;
  color: #FFFFFF; /* White for main title */
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-index-top-platforms-hero-subtitle {
  font-size: 1.4em;
  color: #E0E0E0;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index-top-platforms-hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.page-index-top-platforms-btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.page-index-top-platforms-btn-primary {
  background-color: #F5B041; /* Auxiliary color for primary button */
  color: #0A2342; /* Main color for text on auxiliary background */
  border: 2px solid #F5B041;
}

.page-index-top-platforms-btn-primary:hover {
  background-color: #E0A030;
  border-color: #E0A030;
  transform: translateY(-2px);
}

.page-index-top-platforms-btn-secondary {
  background-color: transparent;
  color: #F5B041;
  border: 2px solid #F5B041;
}

.page-index-top-platforms-btn-secondary:hover {
  background-color: #F5B041;
  color: #0A2342;
  transform: translateY(-2px);
}

.page-index-top-platforms-btn-large {
    padding: 18px 35px;
    font-size: 1.3em;
}

/* Intro Section */
.page-index-top-platforms-intro {
  padding: 80px 0;
  background-color: #0A2342;
}

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

.page-index-top-platforms-feature-item {
  background-color: #1A365B; /* Slightly lighter dark blue */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-index-top-platforms-feature-item:hover {
  transform: translateY(-10px);
}

.page-index-top-platforms-feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 5px #F5B041);
}

.page-index-top-platforms-feature-item h3 {
  color: #F5B041;
  font-size: 1.5em;
  margin-bottom: 15px;
}

.page-index-top-platforms-feature-item p {
  color: #CCCCCC;
}

/* Platforms List Section */
.page-index-top-platforms-platforms-list {
  padding: 80px 0;
  background-color: #0E2A4D; /* Another shade of dark blue */
}

.page-index-top-platforms-platform-card {
  display: flex;
  flex-direction: column;
  background-color: #1A365B;
  border-radius: 10px;
  margin-bottom: 40px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.page-index-top-platforms-platform-card:last-child {
  margin-bottom: 0;
}

.page-index-top-platforms-platform-logo {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  background-color: #0A2342;
  padding: 20px;
  border-bottom: 1px solid #2A4C7E;
}

.page-index-top-platforms-platform-info {
  padding: 30px;
}

.page-index-top-platforms-platform-info h3 {
  color: #F5B041;
  font-size: 1.8em;
  margin-bottom: 15px;
}

.page-index-top-platforms-platform-info p {
  color: #E0E0E0;
  margin-bottom: 20px;
}

.page-index-top-platforms-platform-info ul {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-index-top-platforms-platform-info ul li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
  color: #CCCCCC;
}

.page-index-top-platforms-icon-check {
  color: #4CAF50; /* Green for checkmark */
  font-size: 1.2em;
  margin-right: 10px;
  line-height: 1.6;
}

.page-index-top-platforms-card-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-index-top-platforms-btn-register {
  background-color: #F5B041;
  color: #0A2342;
  border: 2px solid #F5B041;
}

.page-index-top-platforms-btn-register:hover {
  background-color: #E0A030;
  border-color: #E0A030;
}

.page-index-top-platforms-btn-details {
  background-color: transparent;
  color: #F5B041;
  border: 2px solid #F5B041;
}

.page-index-top-platforms-btn-details:hover {
  background-color: #F5B041;
  color: #0A2342;
}

/* Benefits Section */
.page-index-top-platforms-benefits {
  padding: 80px 0;
  background-color: #0A2342;
}

.page-index-top-platforms-benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index-top-platforms-benefit-item {
  background-color: #1A365B;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-index-top-platforms-benefit-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 7px #F5B041);
}

.page-index-top-platforms-benefit-item h3 {
  color: #F5B041;
  font-size: 1.6em;
  margin-bottom: 15px;
}

.page-index-top-platforms-benefit-item p {
  color: #CCCCCC;
}

/* Guide Section */
.page-index-top-platforms-guide {
  padding: 80px 0;
  background-color: #0E2A4D;
}

.page-index-top-platforms-steps {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
}

.page-index-top-platforms-steps li {
  background-color: #1A365B;
  padding: 30px;
  border-radius: 10px;
  margin-bottom: 25px;
  position: relative;
  padding-left: 80px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-index-top-platforms-steps li::before {
  counter-increment: step-counter;
  content: "Bước " counter(step-counter);
  position: absolute;
  left: 30px;
  top: 30px;
  background-color: #F5B041;
  color: #0A2342;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.1em;
}

.page-index-top-platforms-steps li h4 {
  color: #F5B041;
  font-size: 1.6em;
  margin-bottom: 10px;
}

.page-index-top-platforms-steps li p {
  color: #E0E0E0;
}

.page-index-top-platforms-steps li p a {
    color: #F5B041;
    text-decoration: none;
}

.page-index-top-platforms-steps li p a:hover {
    text-decoration: underline;
}

/* FAQ Section */
.page-index-top-platforms-faq {
  padding: 80px 0;
  background-color: #0A2342;
}

.page-index-top-platforms-faq-item {
  background-color: #1A365B;
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-index-top-platforms-faq-item h3 {
  color: #F5B041;
  font-size: 1.4em;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-index-top-platforms-faq-item p {
  color: #CCCCCC;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  opacity: 0;
  padding-top: 0;
}

.page-index-top-platforms-faq-item.active p {
  max-height: 200px; /* Adjust as needed */
  opacity: 1;
  padding-top: 15px;
}

.page-index-top-platforms-faq-item h3::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-index-top-platforms-faq-item.active h3::after {
    content: '-';
    transform: rotate(0deg);
}

.page-index-top-platforms-faq-item p a {
    color: #F5B041;
    text-decoration: none;
}

.page-index-top-platforms-faq-item p a:hover {
    text-decoration: underline;
}

/* CTA Bottom Section */
.page-index-top-platforms-cta-bottom {
  padding: 80px 0;
  background-color: #0E2A4D;
  text-align: center;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index-top-platforms-hero-title {
    font-size: 3em;
  }
  .page-index-top-platforms-hero-subtitle {
    font-size: 1.2em;
  }
  .page-index-top-platforms-section-title {
    font-size: 2em;
  }
  .page-index-top-platforms-platform-card {
    flex-direction: column;
  }
  .page-index-top-platforms-platform-logo {
    max-height: 150px;
  }
}

@media (max-width: 768px) {
  .page-index-top-platforms-hero {
    padding: 80px 0;
    min-height: 500px;
  }
  .page-index-top-platforms-hero-title {
    font-size: 2.5em;
  }
  .page-index-top-platforms-hero-subtitle {
    font-size: 1em;
  }
  .page-index-top-platforms-hero-cta {
    flex-direction: column;
    gap: 15px;
  }
  .page-index-top-platforms-btn {
    width: 100%;
    max-width: 300px;
  }
  .page-index-top-platforms-features, .page-index-top-platforms-benefit-grid {
    grid-template-columns: 1fr;
  }
  .page-index-top-platforms-platform-info h3 {
    font-size: 1.5em;
  }
  .page-index-top-platforms-steps li {
    padding-left: 30px;
    padding-top: 60px;
  }
  .page-index-top-platforms-steps li::before {
    top: 20px;
    left: 20px;
  }
}

@media (max-width: 480px) {
  .page-index-top-platforms-hero-title {
    font-size: 2em;
  }
  .page-index-top-platforms-section-title {
    font-size: 1.8em;
  }
  .page-index-top-platforms-btn {
    font-size: 0.9em;
    padding: 12px 20px;
  }
  .page-index-top-platforms-platform-info h3 {
    font-size: 1.3em;
  }
}