/* style/download.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */
.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  text-align: center;
  overflow: hidden;
  background-color: #08160F; /* Background */
}

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

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-download__hero-content {
  max-width: 900px;
  margin-top: 30px;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__description {
  font-size: clamp(1em, 2vw, 1.2em);
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6; /* Text Main */
  border: none;
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-download__btn-secondary {
  background: transparent;
  color: #57E38D; /* Glow */
  border: 2px solid #2E7A4E; /* Border */
}

.page-download__btn-secondary:hover {
  background: rgba(87, 227, 141, 0.1);
  color: #F2FFF6; /* Text Main */
}

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

.page-download__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  color: #F2FFF6; /* Text Main */
  text-align: center;
  margin-bottom: 30px;
}

.page-download__section-description {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  text-align: center;
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__benefits-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;
}

.page-download__feature-card {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #F2FFF6;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__card-title {
  font-size: 1.5em;
  font-weight: 600;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
}

.page-download__card-text {
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
}

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

.page-download__platform-guide {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.page-download__guide-title {
  font-size: 2em;
  font-weight: 700;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 30px;
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 30px auto;
  max-width: 800px;
  text-align: left;
}

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.page-download__step-number {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
  color: #F2FFF6;
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2em;
  flex-shrink: 0;
  margin-right: 15px;
}

.page-download__step-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1.1em;
}

.page-download__step-text strong {
  color: #F2FFF6; /* Text Main */
}

.page-download__guide-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  margin: 30px auto;
  display: block;
}

.page-download__download-button {
  margin-top: 20px;
}

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

.page-download__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1000px;
}

.page-download__list-item {
  display: flex;
  align-items: flex-start;
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
}

.page-download__list-icon {
  width: 48px;
  height: 48px;
  margin-right: 20px;
  flex-shrink: 0;
  display: block;
}

.page-download__list-content {
  text-align: left;
}

.page-download__list-title {
  font-size: 1.4em;
  font-weight: 600;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 8px;
}

.page-download__list-text {
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
}

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

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

.page-download__security-item {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  color: #F2FFF6;
}

.page-download__security-item .page-download__card-title {
  color: #57E38D; /* Glow */
}

.page-download__security-footer-text {
  text-align: center;
  color: #A7D9B8; /* Text Secondary */
  font-size: 1.1em;
  margin-top: 40px;
}

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

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

.page-download__faq-item {
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  color: #F2FFF6;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none;
}

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

.page-download__faq-question:hover {
  background-color: #1E3A2A; /* Divider */
}

.page-download__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: #57E38D; /* Glow */
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-download__faq-item[open] .page-download__faq-answer {
  max-height: 500px; /* Adjust as needed for content length */
  padding-top: 10px;
}

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

.page-download__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: #0A4B2C; /* Deep Green */
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-content {
    max-width: 700px;
  }

  .page-download__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body already handles --header-offset */
  }

  .page-download__main-title {
    font-size: 2em;
  }

  .page-download__description {
    font-size: 1em;
  }

  .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: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__container,
  .page-download__section,
  .page-download__card,
  .page-download__platform-guide,
  .page-download__feature-list,
  .page-download__faq-item,
  .page-download__security-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Image responsive */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__card-image {
    height: 180px;
  }

  .page-download__list-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
  }

  .page-download__section-title {
    font-size: 1.8em;
  }

  .page-download__guide-title {
    font-size: 1.6em;
  }

  .page-download__step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-download__step-number {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .page-download__step-text {
    font-size: 0.95em;
  }

  .page-download__list-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
  }

  .page-download__list-content {
    text-align: center;
  }

  .page-download__list-icon {
    margin-bottom: 15px;
    margin-right: 0;
  }

  .page-download__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

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

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 1.8em;
  }

  .page-download__section-title {
    font-size: 1.6em;
  }

  .page-download__description,
  .page-download__section-description,
  .page-download__card-text,
  .page-download__step-text,
  .page-download__list-text,
  .page-download__security-footer-text,
  .page-download__faq-answer p {
    font-size: 0.9em;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    font-size: 0.95em;
    padding: 10px 15px;
  }
}