/* style/mobile-app.css */
.page-mobile-app {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Light gray for general text on dark background */
  background-color: #0A192F; /* Main dark blue background */
  line-height: 1.6;
}

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

.page-mobile-app__container--center {
  text-align: center;
}

.page-mobile-app__section {
  padding: 80px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-mobile-app__hero {
  background: linear-gradient(135deg, #0A192F 0%, #1A2E4B 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-mobile-app__hero-title {
  font-size: 3.5em;
  color: #FFD700; /* Auxiliary gold for main title */
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
}

.page-mobile-app__hero-description {
  font-size: 1.3em;
  color: #B0B0B0;
  max-width: 800px;
  margin: 0 auto 40px;
}

.page-mobile-app__hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}

.page-mobile-app__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;
  border: none;
  cursor: pointer;
}

.page-mobile-app__btn--primary {
  background-color: #FFD700; /* Auxiliary gold for primary button */
  color: #0A192F; /* Dark blue for text on gold */
}

.page-mobile-app__btn--primary:hover {
  background-color: #E0B800;
  transform: translateY(-2px);
}

.page-mobile-app__btn--secondary {
  background-color: transparent;
  color: #FFD700; /* Auxiliary gold for secondary button text */
  border: 2px solid #FFD700;
}

.page-mobile-app__btn--secondary:hover {
  background-color: rgba(255, 215, 0, 0.1);
  color: #E0B800;
  border-color: #E0B800;
  transform: translateY(-2px);
}

.page-mobile-app__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-mobile-app__btn--large {
  padding: 20px 40px;
  font-size: 1.3em;
}

.page-mobile-app__hero-image {
  max-width: 60%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-mobile-app__section-title {
  font-size: 2.8em;
  color: #FFD700; /* Auxiliary gold for section titles */
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-mobile-app__section-intro {
  font-size: 1.1em;
  color: #B0B0B0;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 60px;
}

.page-mobile-app__feature-grid, .page-mobile-app__content-grid, .page-mobile-app__detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-mobile-app__feature-item, .page-mobile-app__content-item, .page-mobile-app__detail-item {
  background-color: #1A2E4B; /* Slightly lighter dark blue for cards */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-mobile-app__feature-item:hover, .page-mobile-app__content-item:hover, .page-mobile-app__detail-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-mobile-app__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: invert(70%) sepia(80%) saturate(1000%) hue-rotate(0deg) brightness(100%) contrast(100%); /* Gold tint for icons */
}

.page-mobile-app__feature-title, .page-mobile-app__content-title, .page-mobile-app__detail-title {
  font-size: 1.6em;
  color: #FFD700; /* Auxiliary gold for card titles */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-mobile-app__feature-text, .page-mobile-app__content-text, .page-mobile-app__detail-description {
  font-size: 1em;
  color: #C0C0C0;
}

.page-mobile-app__content-image {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-mobile-app__guide-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.page-mobile-app__step-item {
  background-color: #1A2E4B;
  padding: 35px;
  border-radius: 10px;
  flex: 1 1 300px;
  max-width: 350px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-mobile-app__step-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-mobile-app__step-text {
  font-size: 1.05em;
  color: #C0C0C0;
  margin-bottom: 25px;
}

.page-mobile-app__qr-code {
  width: 180px;
  height: 180px;
  background-color: #FFF;
  padding: 10px;
  border-radius: 5px;
  margin: 20px auto;
  display: block;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-mobile-app__cta-bottom {
  text-align: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-mobile-app__cta-text {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-mobile-app__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-mobile-app__faq-item {
  background-color: #1A2E4B;
  margin-bottom: 20px;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-mobile-app__faq-question {
  font-size: 1.3em;
  color: #FFD700;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
  font-weight: bold;
}

.page-mobile-app__faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2em;
  transition: transform 0.3s ease;
}

.page-mobile-app__faq-question.active::after {
  content: '-';
  transform: rotate(180deg);
}

.page-mobile-app__faq-answer {
  font-size: 1em;
  color: #C0C0C0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.page-mobile-app__faq-answer.active {
  max-height: 200px; /* Adjust as needed for content length */
  padding-top: 10px;
}

.page-mobile-app__detail-title a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-mobile-app__detail-title a:hover {
  color: #E0B800;
  text-decoration: underline;
}

.page-mobile-app__btn--view-details {
  background-color: #FFD700;
  color: #0A192F;
  padding: 8px 18px;
  font-size: 0.9em;
  margin-top: 20px;
  border-radius: 5px;
}

.page-mobile-app__btn--view-details:hover {
  background-color: #E0B800;
}

.page-mobile-app__final-cta {
  padding: 100px 0;
  background-color: #1A2E4B;
}

.page-mobile-app__small-text {
  font-size: 0.9em;
  color: #A0A0A0;
  margin-top: 20px;
}

.page-mobile-app__link {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-mobile-app__link:hover {
  color: #E0B800;
  text-decoration: underline;
}

.highlight {
  color: #FFD700;
  font-weight: bold;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-mobile-app__hero-title {
    font-size: 2.5em;
  }

  .page-mobile-app__hero-description {
    font-size: 1.1em;
  }

  .page-mobile-app__hero-actions {
    flex-direction: column;
    gap: 15px;
  }

  .page-mobile-app__hero-image {
    max-width: 80%;
  }

  .page-mobile-app__section-title {
    font-size: 2em;
  }

  .page-mobile-app__section-intro {
    font-size: 1em;
  }

  .page-mobile-app__feature-grid, .page-mobile-app__content-grid, .page-mobile-app__detail-grid {
    grid-template-columns: 1fr;
  }

  .page-mobile-app__guide-steps {
    flex-direction: column;
  }

  .page-mobile-app__step-item {
    max-width: 100%;
  }

  .page-mobile-app__cta-text {
    font-size: 1.2em;
  }

  .page-mobile-app__btn--large {
    font-size: 1.1em;
    padding: 15px 30px;
  }
}

@media (max-width: 480px) {
  .page-mobile-app__hero-title {
    font-size: 2em;
  }

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

  .page-mobile-app__btn {
    padding: 12px 25px;
    font-size: 1em;
  }

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

  .page-mobile-app__feature-title, .page-mobile-app__content-title, .page-mobile-app__detail-title {
    font-size: 1.4em;
  }

  .page-mobile-app__step-title {
    font-size: 1.5em;
  }

  .page-mobile-app__faq-question {
    font-size: 1.1em;
  }
}