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

:root {
  --dv88-green-primary: #11A84E;
  --dv88-green-secondary: #22C768;
  --dv88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --dv88-card-bg: #11271B;
  --dv88-bg: #08160F;
  --dv88-text-main: #F2FFF6;
  --dv88-text-secondary: #A7D9B8;
  --dv88-border: #2E7A4E;
  --dv88-glow: #57E38D;
  --dv88-gold: #F2C14E;
  --dv88-divider: #1E3A2A;
  --dv88-deep-green: #0A4B2C;
}

.page-download {
  background-color: var(--dv88-bg);
  color: var(--dv88-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, 3.5vw, 48px);
  color: var(--dv88-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  line-height: 1.2;
}

.page-download__sub-title {
  font-size: clamp(22px, 2.5vw, 32px);
  color: var(--dv88-text-main);
  margin-top: 30px;
  margin-bottom: 20px;
  font-weight: 600;
}

.page-download__description {
  font-size: clamp(16px, 1.2vw, 18px);
  color: var(--dv88-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0;
  text-align: center;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 200px; /* Ensure min size */
}

.page-download__hero-content {
  position: relative;
  z-index: 10;
  padding: 40px 20px;
  max-width: 900px;
  width: 100%;
  box-sizing: border-box;
}

.page-download__main-title {
  font-size: clamp(32px, 4.5vw, 60px);
  color: var(--dv88-gold);
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.1;
}

.page-download__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__btn-primary {
  background: var(--dv88-button-gradient);
  color: var(--dv88-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background-color: transparent;
  color: var(--dv88-gold);
  border: 2px solid var(--dv88-gold);
}

.page-download__btn-secondary:hover {
  background-color: var(--dv88-gold);
  color: var(--dv88-bg);
}

/* Benefits Section */
.page-download__benefits-section,
.page-download__features-section,
.page-download__download-guide-section,
.page-download__security-section,
.page-download__faq-section,
.page-download__cta-final-section {
  padding: 80px 0;
}

.page-download__light-bg {
  background-color: var(--dv88-text-main);
  color: #333333;
}

.page-download__light-bg .page-download__section-title {
  color: var(--dv88-deep-green);
}

.page-download__light-bg .page-download__description,
.page-download__light-bg .page-download__sub-title,
.page-download__light-bg p,
.page-download__light-bg li {
  color: #333333;
}

.page-download__dark-bg {
  background-color: var(--dv88-bg);
  color: var(--dv88-text-main);
}

.page-download__dark-bg .page-download__section-title {
  color: var(--dv88-gold);
}

.page-download__dark-bg .page-download__description,
.page-download__dark-bg p,
.page-download__dark-bg li {
  color: var(--dv88-text-secondary);
}

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

.page-download__card {
  background-color: var(--dv88-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--dv88-border);
  color: var(--dv88-text-main);
}

.page-download__light-bg .page-download__card {
  background-color: #ffffff;
  color: #333333;
  border-color: #e0e0e0;
}

.page-download__card-title {
  font-size: 22px;
  color: var(--dv88-gold);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-download__light-bg .page-download__card-title {
  color: var(--dv88-deep-green);
}

.page-download__card p {
  font-size: 16px;
  color: var(--dv88-text-secondary);
  line-height: 1.5;
}

.page-download__light-bg .page-download__card p {
  color: #555555;
}

/* Features Section */
.page-download__feature-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

/* Download Guide Section */
.page-download__guide-image {
  width: 100%;
  height: auto;
  max-width: 800px;
  margin: 40px auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  min-height: 200px;
}

.page-download__guide-tabs {
  display: flex;
  justify-content: center;
  margin-top: 40px;
  gap: 15px;
  flex-wrap: wrap;
}

.page-download__tab-button {
  background-color: var(--dv88-deep-green);
  color: var(--dv88-text-main);
  padding: 12px 25px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 17px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-download__light-bg .page-download__tab-button {
  background-color: #f0f0f0;
  color: #333333;
}

.page-download__tab-button:hover {
  background-color: var(--dv88-green-primary);
}

.page-download__light-bg .page-download__tab-button:hover {
  background-color: var(--dv88-green-primary);
  color: var(--dv88-text-main);
}

.page-download__tab-button--active {
  background: var(--dv88-button-gradient);
  color: var(--dv88-text-main);
  box-shadow: 0 2px 10px rgba(42, 209, 111, 0.3);
}

.page-download__tab-content {
  margin-top: 30px;
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

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

.page-download__step-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  text-align: left;
}

.page-download__step-list li {
  background-color: var(--dv88-card-bg);
  margin-bottom: 15px;
  padding: 20px;
  border-radius: 8px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--dv88-text-secondary);
  border: 1px solid var(--dv88-border);
}

.page-download__light-bg .page-download__step-list li {
  background-color: #ffffff;
  color: #333333;
  border-color: #e0e0e0;
}

.page-download__step-list li strong {
  color: var(--dv88-gold);
  font-size: 18px;
}

.page-download__light-bg .page-download__step-list li strong {
  color: var(--dv88-green-primary);
}

.page-download__btn-download-android,
.page-download__btn-download-ios {
  margin-top: 30px;
}

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

.page-download__requirements-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 20px auto 0 auto;
}

.page-download__requirements-list li {
  background-color: var(--dv88-card-bg);
  margin-bottom: 10px;
  padding: 15px 20px;
  border-radius: 6px;
  font-size: 16px;
  color: var(--dv88-text-main);
  border: 1px solid var(--dv88-border);
}

.page-download__light-bg .page-download__requirements-list li {
  background-color: #ffffff;
  color: #333333;
  border-color: #e0e0e0;
}

.page-download__requirements-list li strong {
  color: var(--dv88-gold);
}

.page-download__light-bg .page-download__requirements-list li strong {
  color: var(--dv88-green-primary);
}

/* Security Section */
.page-download__security-icon {
  width: 100%;
  height: 120px;
  object-fit: contain;
  margin-bottom: 15px;
  min-width: 200px;
  min-height: 200px;
}

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

.page-download__faq-item {
  background-color: var(--dv88-card-bg);
  border: 1px solid var(--dv88-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__light-bg .page-download__faq-item {
  background-color: #ffffff;
  border-color: #e0e0e0;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 18px;
  font-weight: bold;
  color: var(--dv88-text-main);
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-download__light-bg .page-download__faq-question {
  color: var(--dv88-deep-green);
}

.page-download__faq-question:hover {
  background-color: var(--dv88-deep-green);
}

.page-download__light-bg .page-download__faq-question:hover {
  background-color: #f5f5f5;
}

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

.page-download__faq-toggle {
  font-size: 24px;
  line-height: 1;
  margin-left: 15px;
  color: var(--dv88-gold);
}

.page-download__light-bg .page-download__faq-toggle {
  color: var(--dv88-green-primary);
}

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

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 16px;
  color: var(--dv88-text-secondary);
  line-height: 1.6;
}

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

details > summary::marker, /* Standard marker for browsers */
details > summary::-webkit-details-marker { /* Webkit marker for Chrome, Safari */
  display: none;
}

/* Final CTA Section */
.page-download__cta-final-section {
  text-align: center;
  padding: 80px 20px;
}

.page-download__btn-large {
  padding: 18px 40px;
  font-size: 20px;
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-image {
    height: 500px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding-top: 10px !important; /* body đã xử lý header offset */
    padding-bottom: 40px;
  }

  .page-download__hero-image {
    height: 400px;
  }

  .page-download__main-title {
    font-size: clamp(28px, 8vw, 45px);
  }

  .page-download__description {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 15px 10px !important;
    font-size: 16px !important;
  }

  .page-download__benefits-section,
  .page-download__features-section,
  .page-download__download-guide-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 50px 0;
  }

  .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-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 30px;
  }

  .page-download__sub-title {
    font-size: clamp(20px, 6vw, 28px);
  }

  .page-download__card {
    padding: 25px;
  }

  .page-download__card-title {
    font-size: 20px;
  }

  .page-download__card p {
    font-size: 15px;
  }

  .page-download__feature-image,
  .page-download__guide-image,
  .page-download__security-icon,
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-download__tab-button {
    font-size: 16px;
    padding: 10px 15px;
  }

  .page-download__step-list li {
    font-size: 15px;
    padding: 15px;
  }

  .page-download__step-list li strong {
    font-size: 16px;
  }

  .page-download__requirements-list li {
    font-size: 15px;
    padding: 12px 15px;
  }

  .page-download__faq-question {
    font-size: 17px;
    padding: 18px 20px;
  }

  .page-download__faq-answer {
    font-size: 15px;
    padding: 0 20px 18px 20px;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}