:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --background-page-color: #F5F7FA;
  --border-color: #E0E0E0;
}

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

.page-huong-dan-choi__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-huong-dan-choi__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 40px;
  background-color: var(--background-page-color);
  text-align: center;
}

.page-huong-dan-choi__hero-content {
  max-width: 900px;
  margin-bottom: 30px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-huong-dan-choi__main-title {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: clamp(2em, 4vw, 3em); /* Using clamp for H1 as per instructions */
}

.page-huong-dan-choi__description {
  font-size: 1.1em;
  margin-bottom: 25px;
  color: #555555;
}

.page-huong-dan-choi__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-huong-dan-choi__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-huong-dan-choi__btn--primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

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

.page-huong-dan-choi__btn--secondary {
  background-color: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-huong-dan-choi__btn--secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
}

.page-huong-dan-choi__hero-image-wrapper {
  width: 100%;
  max-width: 1000px;
  margin-top: 20px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__hero-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}