:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-bg-card: #11271B;
  --color-bg-body: #08160F; /* Assuming this aligns with --bg-dark from shared.css */
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
  --gradient-button: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

/* Base styles for the page, assuming dark body background from shared.css */
.page-download {
  color: var(--color-text-main); /* Light text for dark background */
  background-color: var(--color-bg-body);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-download__container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-download__section {
  padding: 60px 0;
  text-align: center;
}

.page-download__section-title {
  font-size: 2.8em;
  font-weight: bold;
  color: var(--color-gold);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-download__text-block {
  font-size: 1.1em;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* body handles --header-offset, this is decorative */
  background-color: var(--color-deep-green);
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height to prevent excessive stretching */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-download__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive H1 font size */
  font-weight: 900;
  color: var(--color-text-main);
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.page-download__description {
  font-size: 1.2em;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.5;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  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);
  min-width: 200px;
  box-sizing: border-box;
}

.page-download__btn-primary {
  background: var(--gradient-button);
  color: var(--color-text-main);
  border: 2px solid transparent;
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 0 15px var(--color-glow);
}

.page-download__btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  background: var(--color-primary);
  color: var(--color-text-main);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Why Download Section */
.page-download__why-download {
  background-color: var(--color-bg-body);
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-card {
  background-color: var(--color-bg-card);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid var(--color-border);
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
}

.page-download__feature-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__feature-title {
  font-size: 1.6em;
  color: var(--color-text-main);
  margin-bottom: 15px;
}

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

/* How to Download Section */
.page-download__how-to-download {
  background-color: var(--color-deep-green);
}

.page-download__download-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
  text-align: left;
}

.page-download__step-item {
  background-color: var(--color-bg-card);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
}

.page-download__step-title {
  font-size: 1.8em;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.page-download__step-list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 30px;
  color: var(--color-text-secondary);
}

.page-download__step-list li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-download__inline-link {
  color: var(--color-primary);
  text-decoration: underline;
}

.page-download__inline-link:hover {
  color: var(--color-gold);
}

.page-download__qr-code-wrapper {
  text-align: center;
  margin-top: 20px;
}

.page-download__qr-code {
  width: 100%;
  max-width: 250px;
  height: auto;
  border: 5px solid var(--color-text-main);
  border-radius: 8px;
  display: block;
  margin: 0 auto 15px auto;
}

.page-download__qr-text {
  font-size: 1em;
  color: var(--color-text-secondary);
}

/* App Features Section */
.page-download__app-features {
  background-color: var(--color-bg-body);
}

.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.page-download__feature-detail {
  background-color: var(--color-bg-card);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: left;
  border: 1px solid var(--color-border);
}

.page-download__feature-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__feature-detail-title {
  font-size: 1.7em;
  color: var(--color-text-main);
  margin-bottom: 15px;
}

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

/* System Requirements Section */
.page-download__system-requirements {
  background-color: var(--color-deep-green);
}

.page-download__requirements-list {
  list-style-type: none;
  padding: 0;
  margin-top: 30px;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-download__requirements-list li {
  background-color: var(--color-bg-card);
  padding: 15px 25px;
  margin-bottom: 10px;
  border-radius: 8px;
  font-size: 1.1em;
  color: var(--color-text-main);
  border-left: 5px solid var(--color-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__list-strong {
  color: var(--color-gold);
}

.page-download__full-width-image {
  width: 100%;
  height: auto;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  display: block;
  margin: 0 auto 30px auto;
}

/* Installation Guide Section */
.page-download__installation-guide {
  background-color: var(--color-bg-body);
}

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

.page-download__step-card {
  background-color: var(--color-bg-card);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: left;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.page-download__step-card-title {
  font-size: 1.5em;
  color: var(--color-text-main);
  margin-bottom: 15px;
}

.page-download__step-card-description {
  font-size: 1em;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.page-download__install-cta {
  margin-top: 50px;
}

/* FAQ Section */
.page-download__faq-section {
  background-color: var(--color-deep-green);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-download__faq-item {
  background-color: var(--color-bg-card);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-bg-card);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-download__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for Chrome/Safari */
}

.page-download__faq-question:hover {
  background-color: var(--color-border);
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--color-primary);
  margin-left: 15px;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  color: var(--color-gold);
}

.page-download__faq-answer {
  padding: 15px 25px 25px 25px;
  font-size: 1.05em;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-divider);
  background-color: rgba(17, 39, 27, 0.8); /* Slightly lighter than card bg */
}

/* Security Info Section */
.page-download__security-info {
  background-color: var(--color-bg-body);
}

.page-download__contact-cta {
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__section-title {
    font-size: 2.5em;
  }
  .page-download__main-title {
    font-size: clamp(2em, 6vw, 3em);
  }
  .page-download__download-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-download__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .page-download__section {
    padding: 40px 0;
  }
  
  .page-download__section-title {
    font-size: 2em;
  }
  
  .page-download__main-title {
    font-size: clamp(1.8em, 8vw, 2.5em);
  }
  
  .page-download__description {
    font-size: 1em;
  }
  
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download a[class*="button"],
  .page-download a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Image responsive rules */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-download__hero-section,
  .page-download__why-download,
  .page-download__how-to-download,
  .page-download__app-features,
  .page-download__system-requirements,
  .page-download__installation-guide,
  .page-download__faq-section,
  .page-download__security-info {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }

  .page-download__hero-section {
    padding-top: 10px !important;
  }
  
  .page-download__features-grid,
  .page-download__features-list,
  .page-download__installation-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-card,
  .page-download__step-item,
  .page-download__feature-detail,
  .page-download__step-card,
  .page-download__faq-item {
    padding: 20px;
  }

  .page-download__qr-code {
    max-width: 200px;
  }
  
  .page-download__video-section {
    padding-top: 10px !important; /* body already handles --header-offset, this is decorative */
  }
}

@media (max-width: 480px) {
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__main-title {
    font-size: clamp(1.5em, 9vw, 2.2em);
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    font-size: 1em;
    padding: 12px 20px;
  }
  .page-download__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-download__faq-answer {
    padding: 10px 20px 20px 20px;
  }
}