/* style/download.css */
.page-download {
  font-family: 'Arial', sans-serif;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
  line-height: 1.6;
}

/* Base styles for sections and containers */
.page-download__section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.page-download__section-description {
  font-size: clamp(16px, 2vw, 18px);
  color: #A7D9B8; /* Text Secondary */
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__highlight {
  color: #57E38D; /* Glow */
  font-weight: bold;
}

.page-download__text-link {
  color: #2AD16F; /* Lighter green for links */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-download__text-link:hover {
  color: #57E38D; /* Glow */
  text-decoration: underline;
}

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

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* padding-top: 10px for first section */
  overflow: hidden;
  background-color: #08160F; /* Background */
}

.page-download__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3; /* Slightly dim the background image */
  display: block;
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(0deg, rgba(8,22,15,0.8) 0%, rgba(8,22,15,0.5) 50%, rgba(8,22,15,0.8) 100%);
  border-radius: 15px;
  margin-top: 60px; /* Adjust for visual balance */
}

.page-download__hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 25px;
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-shadow: 0 0 15px rgba(87, 227, 141, 0.5); /* Subtle glow effect */
}

.page-download__hero-description {
  font-size: clamp(18px, 2.2vw, 22px);
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 200px;
  text-align: center;
  box-sizing: border-box;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6; /* Text Main */
  border: 2px solid transparent;
  box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 8px 20px rgba(42, 209, 111, 0.6);
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background-color: transparent;
  color: #2AD16F; /* Lighter green for text */
  border: 2px solid #2AD16F; /* Lighter green for border */
  box-shadow: 0 5px 15px rgba(42, 209, 111, 0.2);
}

.page-download__btn-secondary:hover {
  background-color: rgba(42, 209, 111, 0.1);
  color: #57E38D; /* Glow */
  border-color: #57E38D; /* Glow */
  box-shadow: 0 8px 20px rgba(42, 209, 111, 0.4);
  transform: translateY(-2px);
}

/* Why Download Section */
.page-download__why-download-section {
  padding: 80px 0;
  background-color: #08160F; /* Background */
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__feature-card {
  background-color: #11271B; /* Card BG */
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(17, 168, 78, 0.4);
}

.page-download__feature-title {
  font-size: 24px;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-download__feature-text {
  font-size: 16px;
  color: #A7D9B8; /* Text Secondary */
}

/* Guide Sections */
.page-download__guide-section {
  padding: 80px 0;
}

.page-download__guide-android {
  background-color: #0A4B2C; /* Deep Green */
}

.page-download__guide-ios {
  background-color: #11271B; /* Card BG */
}

.page-download__guide-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
}

.page-download__guide-content--reverse {
  flex-direction: row-reverse;
}

.page-download__guide-steps {
  flex: 1;
  min-width: 300px;
}

.page-download__guide-image-wrapper {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 2px solid #2E7A4E; /* Border */
}

.page-download__guide-image {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.page-download__step-number {
  background-color: #2AD16F; /* Lighter green */
  color: #08160F; /* Background - dark text on bright background */
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 20px;
  flex-shrink: 0;
  margin-right: 20px;
  box-shadow: 0 2px 10px rgba(42, 209, 111, 0.6);
}

.page-download__step-title {
  font-size: 22px;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 5px;
}

.page-download__step-text {
  font-size: 16px;
  color: #A7D9B8; /* Text Secondary */
}

.page-download__cta-center {
  text-align: center;
  margin-top: 60px;
}

/* Features Section */
.page-download__features-section {
  padding: 80px 0;
  background-color: #08160F; /* Background */
}

.page-download__features-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__feature-item {
  background-color: #11271B; /* Card BG */
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__feature-item-title {
  font-size: 22px;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  position: relative;
  padding-left: 40px;
}

.page-download__feature-item-title::before {
  content: '⚡'; /* Icon for features */
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  line-height: 1;
}

.page-download__feature-item-text {
  font-size: 16px;
  color: #A7D9B8; /* Text Secondary */
}

.page-download__features-image-wrapper {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 2px solid #2E7A4E; /* Border */
}

.page-download__features-image {
  max-width: 100%;
  height: auto;
  display: block;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: #0A4B2C; /* Deep Green */
}

.page-download__faq-list {
  max-width: 800px;
  margin: 50px auto 0 auto;
}

.page-download__faq-item {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__faq-item summary {
  list-style: none; /* Hide default marker */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 18px;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  background-color: #11271B; /* Card BG */
  transition: background-color 0.3s ease;
}

.page-download__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker for webkit */
}

.page-download__faq-item summary:hover {
  background-color: rgba(17, 168, 78, 0.2); /* Hover effect */
}

.page-download__faq-qtext {
  flex-grow: 1;
}

.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  margin-left: 15px;
  color: #2AD16F; /* Lighter green */
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 16px;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.page-download__faq-item[open] .page-download__faq-answer {
  max-height: 500px; /* Adjust as needed */
  transition: max-height 0.4s ease-in;
}

/* Conclusion Section */
.page-download__cta-bottom-section {
  padding: 80px 0;
  background-color: #08160F; /* Background */
  text-align: center;
}

.page-download__cta-image-wrapper {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 2px solid #2E7A4E; /* Border */
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__cta-image {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-download__hero-content {
    padding: 40px 20px;
    margin-top: 40px;
  }
  .page-download__hero-title {
    font-size: clamp(28px, 4.5vw, 48px);
  }
  .page-download__hero-description {
    font-size: clamp(16px, 2vw, 18px);
  }
  .page-download__guide-content,
  .page-download__guide-content--reverse {
    flex-direction: column;
  }
  .page-download__guide-image-wrapper {
    order: -1; /* Image first on mobile for both guide sections */
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding-bottom: 40px;
  }
  .page-download__hero-content {
    margin-top: 20px;
    padding: 30px 15px;
  }
  .page-download__hero-title {
    font-size: clamp(28px, 6vw, 40px);
    margin-bottom: 20px;
  }
  .page-download__hero-description {
    font-size: clamp(15px, 2.5vw, 17px);
    margin-bottom: 30px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 16px;
  }

  .page-download__section-title {
    font-size: clamp(24px, 6vw, 36px);
    margin-bottom: 15px;
  }
  .page-download__section-description {
    font-size: clamp(15px, 2.5vw, 17px);
    margin-bottom: 30px;
  }

  .page-download__why-download-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 40px 0;
  }

  .page-download__features-grid,
  .page-download__features-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-download__feature-card,
  .page-download__feature-item {
    padding: 25px;
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-download__feature-title,
  .page-download__feature-item-title {
    font-size: 20px;
  }
  .page-download__feature-text,
  .page-download__feature-item-text {
    font-size: 15px;
  }

  .page-download__guide-steps {
    order: 1;
  }
  .page-download__guide-image-wrapper {
    order: 0;
    margin-left: 15px;
    margin-right: 15px;
  }
  .page-download__guide-content--reverse .page-download__guide-image-wrapper {
    order: 0;
  }

  .page-download__guide-image,
  .page-download__features-image,
  .page-download__cta-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-download__guide-image-wrapper,
  .page-download__features-image-wrapper,
  .page-download__cta-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-download__step-item {
    margin-bottom: 20px;
  }
  .page-download__step-number {
    width: 35px;
    height: 35px;
    font-size: 18px;
    margin-right: 15px;
  }
  .page-download__step-title {
    font-size: 18px;
  }
  .page-download__step-text {
    font-size: 15px;
  }

  .page-download__faq-list {
    margin-top: 30px;
    padding: 0 15px;
  }
  .page-download__faq-item summary {
    padding: 15px 20px;
    font-size: 16px;
  }
  .page-download__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 15px;
  }
}

/* Content area image minimum display size */
.page-download img:not(.page-download__hero-image) {
    min-width: 200px;
    min-height: 200px;
}

/* Ensure body text color is correct for dark background */
.page-download p, .page-download li, .page-download span, .page-download a {
  color: inherit; /* Inherit from .page-download */
}

.page-download__video-section {
  padding-top: 10px !important; /* body đã có padding-top, đây là phần đệm nhỏ cho video */
}

.page-download__video-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .page-download__video-section {
    padding-top: 10px !important; /* body đã có padding-top, đây là phần đệm nhỏ cho video */
  }
  .page-download__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}