.page-index-download-app-guide {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f8f8f8;
}

.page-index-download-app-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-index-download-app-guide__hero {
  background: linear-gradient(135deg, #A80000 0%, #FFD700 100%);
  color: #fff;
  padding: 80px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-index-download-app-guide__title {
  font-size: 3em;
  margin-bottom: 20px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-index-download-app-guide__subtitle {
  font-size: 1.2em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index-download-app-guide__download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.page-index-download-app-guide__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-index-download-app-guide__btn--android {
  background-color: #3DDC84; /* Android green */
  color: #fff;
}

.page-index-download-app-guide__btn--android:hover {
  background-color: #30b16a;
  transform: translateY(-3px);
}

.page-index-download-app-guide__btn--ios {
  background-color: #007AFF; /* iOS blue */
  color: #fff;
}

.page-index-download-app-guide__btn--ios:hover {
  background-color: #0056b3;
  transform: translateY(-3px);
}

.page-index-download-app-guide__hero-image-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.page-index-download-app-guide__hero-image {
  width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index-download-app-guide__section {
  padding: 60px 0;
}

.page-index-download-app-guide__section-title {
  font-size: 2.5em;
  color: #A80000;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-index-download-app-guide__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px;
  color: #555;
}

.page-index-download-app-guide__section--why-download {
  background-color: #fff;
}

.page-index-download-app-guide__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-index-download-app-guide__feature-item {
  background-color: #fefefe;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  border-top: 5px solid #A80000;
}

.page-index-download-app-guide__feature-title {
  font-size: 1.5em;
  color: #A80000;
  margin-bottom: 15px;
}

.page-index-download-app-guide__feature-item p {
  color: #666;
}

.page-index-download-app-guide__section--guide-android, .page-index-download-app-guide__section--guide-ios {
  background-color: #f0f2f5;
}

.page-index-download-app-guide__steps-list {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
}

.page-index-download-app-guide__steps-list li {
  background-color: #fff;
  margin-bottom: 25px;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  position: relative;
  padding-left: 80px;
}

.page-index-download-app-guide__steps-list li::before {
  counter-increment: step-counter;
  content: "Bước " counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  background-color: #FFD700;
  color: #A80000;
  font-weight: bold;
  padding: 15px 20px;
  border-radius: 10px 0 0 10px;
  font-size: 1.2em;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.page-index-download-app-guide__steps-list li h3 {
  font-size: 1.6em;
  color: #A80000;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-index-download-app-guide__steps-list li p {
  color: #444;
}

.page-index-download-app-guide__tip {
  background-color: #FFD700;
  color: #A80000;
  padding: 20px;
  border-radius: 8px;
  margin-top: 40px;
  font-weight: bold;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index-download-app-guide__btn--primary {
  background-color: #A80000;
  color: #fff;
  display: block;
  width: fit-content;
  margin: 40px auto 0;
}

.page-index-download-app-guide__btn--primary:hover {
  background-color: #8a0000;
  transform: translateY(-3px);
}

.page-index-download-app-guide__section--app-features {
  background-color: #fff;
}

.page-index-download-app-guide__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-bottom: 50px;
}

.page-index-download-app-guide__feature-card {
  background-color: #fefefe;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  border-left: 4px solid #FFD700;
}

.page-index-download-app-guide__card-title {
  font-size: 1.4em;
  color: #A80000;
  margin-top: 0;
  margin-bottom: 10px;
}

.page-index-download-app-guide__card-title + p {
    color: #555;
}

.page-index-download-app-guide__section--faq {
  background-color: #f0f2f5;
}

.page-index-download-app-guide__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-index-download-app-guide__faq-item {
  background-color: #fff;
  margin-bottom: 15px;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
  border-left: 5px solid #A80000;
}

.page-index-download-app-guide__faq-question {
  font-size: 1.3em;
  color: #A80000;
  margin-top: 0;
  margin-bottom: 10px;
  cursor: pointer;
}

.page-index-download-app-guide__faq-answer {
  font-size: 1em;
  color: #444;
  display: none;
}

.page-index-download-app-guide__faq-item.active .page-index-download-app-guide__faq-answer {
  display: block;
}

.page-index-download-app-guide__section--cta {
  background: linear-gradient(45deg, #A80000, #c24d4d);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.page-index-download-app-guide__section--cta .page-index-download-app-guide__section-title {
  color: #fff;
}

.page-index-download-app-guide__section--cta .page-index-download-app-guide__section-description {
  color: #eee;
}

.page-index-download-app-guide__btn--cta {
  background-color: #FFD700;
  color: #A80000;
  padding: 18px 40px;
  font-size: 1.3em;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-index-download-app-guide__btn--cta:hover {
  background-color: #e6c200;
  transform: translateY(-5px);
}

.page-index-download-app-guide__image-wrapper {
    margin: 30px auto;
    max-width: 700px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-index-download-app-guide__image {
    width: 100%;
    height: auto;
    display: block;
}

.page-index-download-app-guide .highlight {
    color: #FFD700;
}

/* Responsive Design */
@media (max-width: 768px) {
  .page-index-download-app-guide__title {
    font-size: 2.2em;
  }

  .page-index-download-app-guide__subtitle {
    font-size: 1em;
  }

  .page-index-download-app-guide__download-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-index-download-app-guide__btn {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-index-download-app-guide__section-title {
    font-size: 2em;
  }

  .page-index-download-app-guide__section-description {
    font-size: 1em;
  }

  .page-index-download-app-guide__steps-list li {
    padding-left: 20px;
    padding-top: 60px;
  }

  .page-index-download-app-guide__steps-list li::before {
    width: 100%;
    height: 50px;
    top: 0;
    left: 0;
    border-radius: 10px 10px 0 0;
    padding: 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }

  .page-index-download-app-guide__steps-list li h3 {
    font-size: 1.3em;
  }

  .page-index-download-app-guide__feature-title {
    font-size: 1.3em;
  }

  .page-index-download-app-guide__card-title {
    font-size: 1.2em;
  }

  .page-index-download-app-guide__faq-question {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-index-download-app-guide__title {
    font-size: 1.8em;
  }

  .page-index-download-app-guide__section-title {
    font-size: 1.7em;
  }

  .page-index-download-app-guide__btn--cta {
    font-size: 1.1em;
    padding: 15px 30px;
  }

  .page-index-download-app-guide__hero {
    padding-top: 50px;
  }
}