.page-download {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --card-bg-color: #FFFFFF;
  --background-color: #F4F7FB;
  --text-main-color: #1F2D3D;
  --text-black-color: #000000;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
  background-color: var(--background-color);
  color: var(--text-main-color);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-download__section-title {
  color: var(--text-black-color);
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-download__section-intro {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 40px;
  color: var(--text-main-color);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--primary-color);
  padding: 10px 0 60px;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 40px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-download__hero-content {
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
}

.page-download__hero-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFFFFF;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #E0E7FF;
}

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

.page-download__button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: none;
  cursor: pointer;
}

.page-download__button--primary {
  background: var(--button-gradient);
  color: #FFFFFF;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__button--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__button--secondary {
  background-color: #FFFFFF;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-download__button--secondary:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
  transform: translateY(-3px);
}

/* Features Section */
.page-download__features-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

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

.page-download__feature-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.page-download__feature-icon {
  width: 100%;
  height: auto;
  max-width: 400px;
  max-height: 300px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-download__feature-title {
  color: var(--text-black-color);
  font-size: 1.5em;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-description {
  color: var(--text-main-color);
  font-size: 1em;
}

/* Guide Section */
.page-download__guide-section {
  padding: 80px 0;
  background-color: #FFFFFF;
}

.page-download__os-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 15px;
}

.page-download__os-tab {
  background-color: var(--background-color);
  color: var(--text-main-color);
  padding: 12px 25px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  transition: all 0.3s ease;
}

.page-download__os-tab:hover {
  background-color: var(--secondary-color);
  color: #FFFFFF;
  border-color: var(--secondary-color);
}

.page-download__os-tab--active {
  background: var(--button-gradient);
  color: #FFFFFF;
  border-color: var(--primary-color);
}

.page-download__installation-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.page-download__installation-content--active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-download__os-subtitle {
  color: var(--text-black-color);
  font-size: 2em;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

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

.page-download__step-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
  text-align: center;
}

.page-download__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--button-gradient);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 1.8em;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-download__step-title {
  color: var(--text-black-color);
  font-size: 1.4em;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__step-description {
  color: var(--text-main-color);
  font-size: 1em;
  margin-bottom: 20px;
}

.page-download__step-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  max-height: 450px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.page-download__button--download-os {
  display: block;
  width: fit-content;
  margin: 40px auto 0;
  background: var(--button-gradient);
  color: #FFFFFF;
  padding: 18px 40px;
  font-size: 1.2em;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-download__button--download-os:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* CTA Section */
.page-download__cta-section {
  background: var(--primary-color);
  color: #FFFFFF;
  padding: 80px 0;
  text-align: center;
}

.page-download__cta-title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.page-download__cta-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: #E0E7FF;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__button--large {
  padding: 20px 45px;
  font-size: 1.3em;
  border-radius: 12px;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

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

.page-download__faq-item {
  background-color: var(--card-bg-color);
  margin-bottom: 20px;
  padding: 25px 30px;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.page-download__faq-question {
  color: var(--text-black-color);
  font-size: 1.3em;
  font-weight: bold;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-download__faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2em;
  color: var(--primary-color);
}

.page-download__faq-question.active::after {
  content: '-';
}

.page-download__faq-answer {
  color: var(--text-main-color);
  font-size: 1em;
  display: none;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
  margin-top: 15px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-download__container {
    padding: 20px 30px;
  }

  .page-download__hero-image-wrapper {
    margin-bottom: 30px;
  }

  .page-download__hero-title {
    font-size: clamp(2.2em, 6vw, 3em);
  }

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

  .page-download__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-download__os-subtitle {
    font-size: 1.8em;
  }

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

  .page-download__button--large {
    padding: 18px 35px;
    font-size: 1.2em;
  }
}

@media (max-width: 768px) {
  .page-download__container {
    padding: 20px;
  }

  .page-download__hero-section {
    padding: 10px 0 40px;
  }

  .page-download__hero-image {
    max-width: 100%;
    height: auto;
  }

  .page-download__hero-title {
    font-size: clamp(2em, 7vw, 2.5em);
  }

  .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__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-download__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-download__features-section,
  .page-download__guide-section,
  .page-download__cta-section,
  .page-download__faq-section {
    padding: 50px 0;
  }

  .page-download__features-grid,
  .page-download__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-title,
  .page-download__step-title {
    font-size: 1.3em;
  }

  .page-download__os-tabs {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__os-tab {
    width: 100%;
  }

  .page-download__os-subtitle {
    font-size: 1.6em;
    margin-bottom: 30px;
  }

  .page-download__button--download-os {
    width: 100%;
    max-width: 300px;
    font-size: 1.1em;
  }

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

  .page-download__cta-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

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

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

  .page-download__faq-answer {
    font-size: 0.95em;
  }

  /* Critical: Ensure images do not overflow on mobile */
  .page-download img {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: clamp(1.8em, 8vw, 2.2em);
  }

  .page-download__section-title {
    font-size: 1.6em;
  }

  .page-download__os-subtitle {
    font-size: 1.4em;
  }

  .page-download__cta-title {
    font-size: 1.6em;
  }
}