/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho main hoặc section đầu tiên */

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

.page-download {
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main); /* Body background is dark, so main text is light */
  background-color: var(--color-background);
}

.page-download__section {
  padding: 60px 20px;
  text-align: center;
  position: relative;
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

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

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
  margin-bottom: 30px;
}

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

.page-download__hero-content {
  max-width: 900px;
  color: var(--color-text-main);
}

.page-download__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--color-text-main);
}

.page-download__hero-description {
  font-size: 1.125rem; /* 18px */
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--color-text-secondary);
}

.page-download__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-download__cta-button {
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

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

.page-download__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

.page-download__btn-secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* General Section Styles */
.page-download__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text-main);
}

.page-download__section-description {
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--color-text-secondary);
}

.page-download__dark-section {
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
}

.page-download__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-download__light-bg .page-download__section-title,
.page-download__light-bg .page-download__feature-title,
.page-download__light-bg .page-download__list-title,
.page-download__light-bg .page-download__faq-qtext {
  color: #333333;
}

.page-download__light-bg .page-download__section-description,
.page-download__light-bg .page-download__feature-text,
.page-download__light-bg .page-download__list-text,
.page-download__light-bg .page-download__faq-answer p {
  color: #555555;
}

.page-download__card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.page-download__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Why Download Section */
.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-icon {
  width: 200px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

.page-download__light-bg .page-download__feature-title {
  color: #333333;
}

.page-download__feature-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* How to Download Section */
.page-download__download-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: left;
}

.page-download__step-card {
  padding: 40px;
}

.page-download__step-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--color-gold);
}

.page-download__step-list {
  list-style: decimal;
  padding-left: 20px;
  margin-bottom: 30px;
  color: var(--color-text-main);
}

.page-download__step-list li {
  margin-bottom: 15px;
  line-height: 1.6;
}

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

.page-download__step-button {
  width: 100%;
  padding: 15px 20px;
  font-size: 1.1rem;
  margin-top: 20px;
}

.page-download__qr-section {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--color-divider);
}

.page-download__qr-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text-main);
}

.page-download__qr-description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
}

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

.page-download__qr-item {
  padding: 25px;
  background-color: #ffffff;
  color: #333333;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #e0e0e0;
}

.page-download__qr-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin-bottom: 15px;
  display: block;
}

.page-download__qr-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: #333333;
}

/* Features List Section */
.page-download__feature-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  text-align: left;
}

.page-download__list-item {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
}

.page-download__light-bg .page-download__list-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-download__list-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-gold);
}

.page-download__light-bg .page-download__list-title {
  color: var(--color-primary);
}

.page-download__list-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.page-download__light-bg .page-download__list-text {
  color: #555555;
}

/* System Requirements Section */
.page-download__requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: left;
}

.page-download__requirement-card {
  padding: 30px;
}

.page-download__requirement-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.page-download__requirement-list {
  list-style: none;
  padding: 0;
  color: var(--color-text-main);
}

.page-download__requirement-list li {
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.5;
  position: relative;
  padding-left: 25px;
}

.page-download__requirement-list li::before {
  content: '✓';
  color: var(--color-primary);
  position: absolute;
  left: 0;
  top: 0;
}

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

.page-download__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-download__light-bg .page-download__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-main);
  position: relative;
  list-style: none; /* For details summary */
}

.page-download__light-bg .page-download__faq-question {
  color: #333333;
}

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

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: var(--color-primary);
}

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

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.page-download__light-bg .page-download__faq-answer {
  color: #555555;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 2.8rem;
  }
  .page-download__section-title {
    font-size: 2.2rem;
  }
  .page-download__download-steps,
  .page-download__features-grid,
  .page-download__feature-list,
  .page-download__requirements-grid {
    grid-template-columns: 1fr;
  }
  .page-download__qr-codes {
    flex-direction: column;
    align-items: center;
  }
  .page-download__hero-image-wrapper {
    margin-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .page-download__section {
    padding: 40px 15px;
  }
  .page-download__container {
    padding: 0;
  }
  .page-download__hero-section {
    padding-bottom: 40px;
  }
  .page-download__main-title {
    font-size: 2.2rem;
  }
  .page-download__hero-description {
    font-size: 1rem;
  }
  .page-download__section-title {
    font-size: 1.8rem;
  }
  .page-download__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-download__cta-button,
  .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__hero-image,
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-download__hero-image-wrapper,
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__download-steps,
  .page-download__features-grid,
  .page-download__feature-list,
  .page-download__requirements-grid,
  .page-download__qr-codes,
  .page-download__qr-item,
  .page-download__faq-list,
  .page-download__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }
  .page-download__hero-section {
    padding-left: 0;
    padding-right: 0;
  }
  .page-download__hero-content {
    padding: 0 15px;
  }
  .page-download__hero-section .page-download__hero-image-wrapper {
    padding-left: 0;
    padding-right: 0;
  }
  .page-download__step-card,
  .page-download__feature-card,
  .page-download__requirement-card,
  .page-download__list-item {
    padding: 25px 20px;
  }
  .page-download__qr-item {
    padding: 20px;
  }
  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-download__faq-answer {
    padding: 0 20px 15px 20px;
  }
  .page-download__qr-image {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 1.8rem;
  }
  .page-download__section-title {
    font-size: 1.5rem;
  }
  .page-download__hero-description,
  .page-download__section-description,
  .page-download__feature-text,
  .page-download__list-text,
  .page-download__requirement-list li,
  .page-download__qr-description,
  .page-download__faq-answer p {
    font-size: 0.9rem;
  }
  .page-download__cta-button {
    font-size: 0.95rem;
    padding: 12px 25px;
  }
  .page-download__feature-title {
    font-size: 1.3rem;
  }
  .page-download__step-title {
    font-size: 1.5rem;
  }
  .page-download__qr-title {
    font-size: 1.6rem;
  }
}