/* style/blog.css */
/* body đã padding-top: var(--header-offset)；tránh trùng lặp */
.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg);
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn body padding-top để tránh khoảng trống lớn */
  text-align: center;
  color: var(--text-main);
  background-color: var(--card-bg);
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

.page-blog__hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.page-blog__main-title {
  font-size: clamp(2.2em, 4vw, 3em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main);
}

.page-blog__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-blog__section {
  padding: 60px 20px;
  background-color: var(--bg);
}

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

.page-blog__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 40px;
}

.page-blog__content-area {
  font-size: 1.05em;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-blog__content-area p {
  margin-bottom: 20px;
}

.page-blog__content-area h3 {
  font-size: clamp(1.4em, 2.5vw, 1.8em);
  color: var(--text-main);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-blog__image-full-width {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px 0;
  border-radius: 8px;
  min-width: 200px;
  min-height: 200px;
}

.page-blog__cta-button {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

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

.page-blog__btn-secondary {
  background: #11271B;
  color: #F2FFF6;
  border: 2px solid var(--border);
}

.page-blog__btn-secondary:hover {
  background: #0A4B2C;
  color: #F2FFF6;
}

/* FAQ Section */
.page-blog__faq {
  background-color: var(--card-bg);
}

.page-blog__faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  background-color: #11271B; /* Card BG */
  color: var(--text-main);
}

.page-blog__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--text-main);
}

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

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

.page-blog__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow);
}

.page-blog__faq-answer {
  padding: 0 25px 20px;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__hero-section {
    padding: 40px 15px;
  }

  .page-blog__section {
    padding: 40px 15px;
  }

  .page-blog__main-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }

  .page-blog__section-title {
    font-size: clamp(1.6em, 4vw, 2.2em);
  }

  .page-blog__content-area h3 {
    font-size: clamp(1.2em, 3vw, 1.6em);
  }
}

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

  .page-blog__hero-section {
    padding: 30px 15px;
    padding-top: 10px !important;
  }

  .page-blog__hero-content {
    padding: 0 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

  .page-blog__section-title {
    font-size: clamp(1.5em, 5vw, 2em);
  }

  .page-blog__sub-title {
    font-size: clamp(1.2em, 4vw, 1.5em);
  }

  .page-blog__section {
    padding: 30px 15px;
  }

  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Responsive images */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Responsive buttons */
  .page-blog__cta-button,
  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog 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;
    text-align: center;
  }

  /* Button containers */
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; /* Stack buttons vertically on mobile */
  }

  .page-blog__faq-item summary {
    padding: 15px 20px;
    font-size: 1em;
  }

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

/* Color Contrast Adjustments (using custom colors) */
:root {
  --bg-color: #08160F; /* Background */
  --card-bg: #11271B; /* Card Background */
  --text-main: #F2FFF6; /* Main Text */
  --text-secondary: #A7D9B8; /* Secondary Text */
  --border: #2E7A4E; /* Border */
  --glow: #57E38D; /* Glow */
  --gold: #F2C14E; /* Gold */
  --divider: #1E3A2A; /* Divider */
  --deep-green: #0A4B2C; /* Deep Green */
}

.page-blog {
  color: var(--text-main); /* Ensure light text on dark background */
  background-color: var(--bg-color);
}

.page-blog__content-area p,
.page-blog__content-area li {
  color: var(--text-secondary); /* Ensure secondary text is readable */
}

.page-blog__faq-item {
  background-color: var(--card-bg);
  border-color: var(--divider);
}

.page-blog__faq-item summary {
  color: var(--text-main);
}

.page-blog__faq-toggle {
  color: var(--glow);
}

.page-blog__faq-answer {
  color: var(--text-secondary);
}