.page-download {
  color: #333333; /* Dark text on light body background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding-top: var(--header-offset, 120px); /* Ensure content is not hidden by fixed header */
  background-color: #FFFFFF; /* Body background is white */
}

.page-download__hero-section {
  text-align: center;
  padding: 60px 20px;
  background-color: #000000; /* Dark background for hero for strong contrast */
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.page-download__hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-download__hero-title {
  font-size: 3em;
  margin-bottom: 20px;
  color: #FCBC45; /* Highlight with login button color */
  line-height: 1.2;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: #f0f0f0;
}

.page-download__hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.page-download__button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-width: 180px;
  text-align: center;
}

.page-download__button--primary {
  background-color: #FCBC45; /* Login button color for primary action */
  color: #000000; /* Dark text on light background */
  border: 2px solid #FCBC45;
}

.page-download__button--primary:hover {
  background-color: #e0a53a;
  border-color: #e0a53a;
}

.page-download__button--secondary {
  background-color: #000000; /* Dark background for register button */
  color: #FFFFFF; /* Register text color */
  border: 2px solid #FFFFFF;
}

.page-download__button--secondary:hover {
  background-color: #333333;
  border-color: #FCBC45;
}

.page-download__hero-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 40px auto 0;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-download__why-app-section,
.page-download__download-guide-section,
.page-download__pre-installation-section,
.page-download__faq-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}

.page-download__why-app-title,
.page-download__download-guide-title,
.page-download__pre-installation-title,
.page-download__faq-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  color: #000000;
}

.page-download__why-app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-download__app-feature-card {
  background-color: #f8f8f8;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.page-download__feature-title {
  font-size: 1.5em;
  color: #000000;
  margin-bottom: 15px;
}

.page-download__feature-description {
  color: #555555;
}

.page-download__app-showcase-image {
  width: 100%;
  max-width: 1000px;
  height: auto;
  display: block;
  margin: 40px auto 0;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-download__download-guide-intro {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 40px;
  color: #555555;
}

.page-download__download-methods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.page-download__method-card {
  background-color: #000000; /* Dark background for method cards */
  color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__method-title {
  font-size: 1.8em;
  color: #FCBC45;
  margin-bottom: 25px;
}

.page-download__method-steps {
  text-align: left;
  margin: 0 0 30px 20px;
  padding: 0;
  list-style-position: inside;
  color: #f0f0f0;
}

.page-download__method-steps li {
  margin-bottom: 10px;
}

.page-download__qr-code-image {
  width: 250px;
  height: 250px;
  margin-bottom: 30px;
  background-color: #FFFFFF;
  padding: 10px;
  border-radius: 5px;
}

.page-download__button--download {
  background-color: #FCBC45;
  color: #000000;
  border: none;
  padding: 12px 25px;
  font-size: 1.1em;
}

.page-download__button--download:hover {
  background-color: #e0a53a;
}

.page-download__pre-installation-intro {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 40px;
  color: #555555;
}

.page-download__check-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-download__check-item {
  background-color: #f8f8f8;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.page-download__check-heading {
  font-size: 1.4em;
  color: #000000;
  margin-bottom: 10px;
}

.page-download__check-description {
  color: #555555;
}

.page-download__security-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 40px auto 0;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-download__faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-download__faq-item {
  background-color: #f8f8f8;
  border: 1px solid #eeeeee;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: #000000;
  cursor: pointer;
  background-color: #FFFFFF;
  border-bottom: 1px solid #eeeeee;
  transition: background-color 0.3s ease;
}

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

.page-download__faq-question::-webkit-details-marker { display: none; }
.page-download__faq-question::marker { display: none; }

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #FCBC45;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: #555555;
  background-color: #fcfcfc;
  border-top: 1px solid #eeeeee;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 2.5em;
  }
  .page-download__hero-description {
    font-size: 1.1em;
  }
  .page-download__why-app-title,
  .page-download__download-guide-title,
  .page-download__pre-installation-title,
  .page-download__faq-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-download {
    padding-top: var(--header-offset, 80px); /* Adjust for mobile header offset */
  }
  .page-download__hero-section {
    padding: 40px 15px;
  }
  .page-download__hero-title {
    font-size: 2em;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__button {
    width: 100%;
    max-width: 300px;
  }
  .page-download__why-app-section,
  .page-download__download-guide-section,
  .page-download__pre-installation-section,
  .page-download__faq-section {
    padding: 40px 15px;
  }
  .page-download__why-app-title,
  .page-download__download-guide-title,
  .page-download__pre-installation-title,
  .page-download__faq-title {
    font-size: 1.8em;
  }
  .page-download__why-app-grid,
  .page-download__check-list {
    grid-template-columns: 1fr;
  }
  .page-download__download-methods {
    flex-direction: column;
    gap: 30px;
  }
  .page-download__method-card {
    max-width: 100%;
  }
  .page-download__qr-code-image {
    width: 200px;
    height: 200px;
  }
  /* Content area images must not cause horizontal scroll */
  .page-download img {
    max-width: 100%;
    height: auto;
  }
  .page-download__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-download__faq-answer {
    padding: 15px 20px;
  }
}