/* style/khuyen-mai.css */

:root {
  --page-khuyen-mai-primary-color: #2F6BFF;
  --page-khuyen-mai-secondary-color: #6FA3FF;
  --page-khuyen-mai-card-bg: #FFFFFF;
  --page-khuyen-mai-background: #F4F7FB;
  --page-khuyen-mai-text-main: #1F2D3D;
  --page-khuyen-mai-text-dark: #000000;
  --page-khuyen-mai-border-color: #D6E2FF;
  --page-khuyen-mai-glow-color: #A5C4FF;
  --page-khuyen-mai-btn-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
}

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

.page-khuyen-mai__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-khuyen-mai__section-title {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--page-khuyen-mai-primary-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__section-description {
  font-size: 1.1em;
  color: var(--page-khuyen-mai-text-main);
  text-align: center;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Assuming body handles header-offset */
  padding-bottom: 60px;
  background-color: var(--page-khuyen-mai-background);
}

.page-khuyen-mai__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  padding: 40px 16px;
}

.page-khuyen-mai__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
  color: var(--page-khuyen-mai-text-main);
}

.page-khuyen-mai__hero-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
  font-weight: bold;
  color: var(--page-khuyen-mai-primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
}

.page-khuyen-mai__hero-cta {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-khuyen-mai__hero-image {
  flex: 1 1 45%;
  text-align: center;
}

.page-khuyen-mai__hero-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}