/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này KHÔNG được viết lại padding-top với biến này */

:root {
  --page-download-primary-color: #11A84E;
  --page-download-secondary-color: #22C768;
  --page-download-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-download-card-bg: #11271B;
  --page-download-bg: #08160F;
  --page-download-text-main: #F2FFF6;
  --page-download-text-secondary: #A7D9B8;
  --page-download-border-color: #2E7A4E;
  --page-download-glow-color: #57E38D;
  --page-download-gold-color: #F2C14E;
  --page-download-divider-color: #1E3A2A;
  --page-download-deep-green: #0A4B2C;
}

.page-download {
  background-color: var(--page-download-bg);
  color: var(--page-download-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-download__section-title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--page-download-text-main);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-download__text-block {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
  color: var(--page-download-text-secondary);
}

.page-download__card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-download-text-main);
}

.page-download__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 15px var(--page-download-glow-color);
}

/* Buttons */
.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  word-wrap: break-word;
  box-sizing: border-box;
  text-align: center;
}

.page-download__btn-primary {
  background: var(--page-download-button-gradient);
  color: #ffffff;
  border: none;
}

.page-download__btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 0 15px var(--page-download-glow-color);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--page-download-primary-color);
  color: #ffffff;
  box-shadow: 0 0 15px var(--page-download-glow-color);
}

/* Hero Section */
.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 60px 20px;
  padding-top: 10px; /* body đã xử lý padding-top cho header */
  background-color: var(--page-download-deep-green);
  text-align: center;
  overflow: hidden;
}

.page-download__hero-content {
  max-width: 900px;
  z-index: 1;
}

.page-download__main-title {
  color: var(--page-download-text-main);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
}

.page-download__description {
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--page-download-text-secondary);
}

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

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1000px;
  text-align: center;
  margin-top: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Why Download Section */
.page-download__why-download {
  padding: 80px 0;
  background-color: #ffffff;
  color: #333333;
}

.page-download__why-download .page-download__section-title {
  color: #000000;
}

.page-download__why-download .page-download__text-block {
  color: #555555;
}

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

.page-download__feature-item {
  text-align: center;
  background-color: #f9f9f9; /* Override card bg for light section */
  color: #333333;
  border: 1px solid #e0e0e0;
}

.page-download__feature-item:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__feature-title {
  font-size: 24px;
  color: var(--page-download-primary-color);
  margin-bottom: 15px;
}

.page-download__feature-item .page-download__text-secondary {
  color: #666666;
}

/* Installation Guide Section */
.page-download__installation-guide {
  padding: 80px 0;
  background-color: var(--page-download-bg);
}

.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__guide-card {
  text-align: left;
}

.page-download__guide-title {
  font-size: 26px;
  color: var(--page-download-gold-color);
  margin-bottom: 20px;
  text-align: center;
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-download__step-list li {
  margin-bottom: 12px;
  font-size: 17px;
  color: var(--page-download-text-secondary);
  line-height: 1.5;
  position: relative;
  padding-left: 30px;
}

.page-download__step-list li::before {
  content: '✔';
  color: var(--page-download-glow-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-download__qr-code-wrapper {
  text-align: center;
  margin: 25px 0;
}

.page-download__qr-code {
  width: 200px;
  height: 200px;
  border: 5px solid #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0 auto 15px;
}

/* App Features Section */
.page-download__app-features {
  padding: 80px 0;
  background-color: #ffffff;
  color: #333333;
}

.page-download__app-features .page-download__section-title {
  color: #000000;
}

.page-download__app-features .page-download__text-block {
  color: #555555;
}

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

.page-download__features-text {
  flex: 1;
  min-width: 300px;
}

.page-download__feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-download__feature-list li {
  margin-bottom: 15px;
  font-size: 18px;
  color: #333333;
  line-height: 1.5;
  position: relative;
  padding-left: 25px;
}

.page-download__feature-list li strong {
  color: var(--page-download-deep-green);
}

.page-download__feature-list li::before {
  content: '●';
  color: var(--page-download-primary-color);
  position: absolute;
  left: 0;
  font-size: 14px;
  top: 5px;
}

.page-download__features-image-wrapper {
  flex: 1;
  min-width: 400px;
  text-align: center;
}

.page-download__features-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-download__btn-promo {
  margin-top: 20px;
}

/* System Requirements Section */
.page-download__system-requirements {
  padding: 80px 0;
  background-color: var(--page-download-bg);
}

.page-download__requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__requirement-item {
  text-align: center;
}

.page-download__requirement-title {
  font-size: 24px;
  color: var(--page-download-gold-color);
  margin-bottom: 15px;
}

.page-download__req-list {
  list-style: none;
  padding: 0;
}

.page-download__req-list li {
  margin-bottom: 8px;
  font-size: 17px;
  color: var(--page-download-text-secondary);
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: #f8f8f8;
  color: #333333;
}

.page-download__faq-section .page-download__section-title {
  color: #000000;
}

.page-download__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
}

.page-download__faq-item {
  margin-bottom: 20px;
  background-color: #ffffff;
  color: #333333;
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 19px;
  font-weight: bold;
  cursor: pointer;
  color: #333333;
  list-style: none;
}

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

.page-download__faq-item[open] summary {
  color: var(--page-download-primary-color);
}

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

.page-download__faq-toggle {
  font-size: 24px;
  margin-left: 15px;
  color: var(--page-download-primary-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
  content: '−';
}

.page-download__faq-answer {
  padding: 15px 25px 20px;
  font-size: 17px;
  line-height: 1.6;
  color: #555555;
  border-top: 1px solid var(--page-download-divider-color);
}

.page-download__faq-answer p {
  margin-bottom: 15px;
}

.page-download__faq-answer p:last-child {
  margin-bottom: 0;
}

.page-download__btn-contact {
  margin-top: 10px;
}

/* CTA Bottom Section */
.page-download__cta-bottom {
  padding: 80px 0;
  background-color: var(--page-download-deep-green);
  text-align: center;
}

.page-download__cta-bottom .page-download__section-title {
  color: var(--page-download-text-main);
}

.page-download__cta-bottom .page-download__text-block {
  color: var(--page-download-text-secondary);
  margin-bottom: 40px;
}

.page-download__btn-large {
  padding: 18px 40px;
  font-size: 20px;
  min-width: 250px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-section {
    flex-direction: column-reverse;
    gap: 30px;
    padding: 40px 20px;
    padding-top: 10px;
  }

  .page-download__features-content {
    flex-direction: column;
    gap: 30px;
  }

  .page-download__features-text,
  .page-download__features-image-wrapper {
    min-width: unset;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-download__section-title {
    font-size: clamp(24px, 6vw, 36px);
  }

  .page-download__main-title {
    font-size: clamp(32px, 8vw, 48px);
  }

  .page-download__description {
    font-size: 16px;
  }

  .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;
  }

  .page-download__cta-buttons,
  .page-download__button-group,
  .page-download__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-download img,
  .page-download video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__hero-image,
  .page-download__qr-code,
  .page-download__features-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__video-section,
  .page-download__video-container,
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-download__hero-section,
  .page-download__why-download,
  .page-download__installation-guide,
  .page-download__app-features,
  .page-download__system-requirements,
  .page-download__faq-section,
  .page-download__cta-bottom {
    padding: 40px 0;
  }

  .page-download__video-section {
    padding-top: 10px !important;
  }

  .page-download__feature-item,
  .page-download__guide-card,
  .page-download__requirement-item {
    padding: 25px;
  }

  .page-download__feature-title,
  .page-download__guide-title,
  .page-download__requirement-title {
    font-size: 22px;
  }

  .page-download__faq-item summary {
    font-size: 17px;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    font-size: 16px;
    padding: 10px 20px 15px;
  }
}