.page-khuyen-mai {
  font-family: 'Arial', sans-serif;
  color: #FFF6D6; /* Text Main */
  background-color: #0A0A0A; /* Background */
  line-height: 1.6;
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Fixed header spacing, small top padding */
  padding-bottom: 60px;
  background-color: #0A0A0A; /* Ensure dark background for hero */
}

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

.page-khuyen-mai__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: left;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F2C14E; /* Main Color */
}

.page-khuyen-mai__intro-text {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #FFF6D6; /* Text Main */
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  text-align: center;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button color */
  color: #111111; /* Dark text for bright button */
  border: none;
}

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

.page-khuyen-mai__btn-secondary {
  background: transparent;
  color: #F2C14E; /* Main Color */
  border: 2px solid #F2C14E;
}

.page-khuyen-mai__btn-secondary:hover {
  background: #F2C14E;
  color: #111111; /* Dark text for bright button */
}

.page-khuyen-mai__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-khuyen-mai__hero-side-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.page-khuyen-mai__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 25px;
  color: #F2C14E; /* Main Color */
}

.page-khuyen-mai__section-description {
  font-size: 1.05rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px;
  color: #FFF6D6; /* Text Main */
}

.page-khuyen-mai__intro-section {
  padding: 60px 0;
  background-color: #111111; /* Card BG */
}

.page-khuyen-mai__icon-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  margin-top: 40px;
}

.page-khuyen-mai__icon-box {
  flex: 1 1 30%;
  min-width: 280px;
  background-color: #0A0A0A; /* Background */
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #3A2A12; /* Border */
}

.page-khuyen-mai__icon-box-media {
  width: 160px;
  height: 160px;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #FFD36B; /* Glow */
}

.page-khuyen-mai__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.page-khuyen-mai__icon-box-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E; /* Main Color */
}

.page-khuyen-mai__icon-box-text {
  font-size: 1rem;
  color: #FFF6D6; /* Text Main */
}

.page-khuyen-mai__promo-list-section {
  padding: 60px 0;
  background-color: #0A0A0A; /* Background */
}

.page-khuyen-mai__promo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: #111111; /* Card BG */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #3A2A12; /* Border */
  display: flex;
  flex-direction: column;
}

.page-khuyen-mai__promo-card-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__promo-card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-khuyen-mai__promo-card-title {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E; /* Main Color */
}

.page-khuyen-mai__promo-card-text {
  font-size: 1rem;
  color: #FFF6D6; /* Text Main */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__promo-card .page-khuyen-mai__btn-primary {
  width: fit-content;
  align-self: flex-start;
}

.page-khuyen-mai__guide-section {
  padding: 60px 0;
  background-color: #111111; /* Card BG */
}

.page-khuyen-mai__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__guide-step {
  background-color: #0A0A0A; /* Background */
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #3A2A12; /* Border */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__step-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button color */
  color: #111111; /* Dark text */
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.page-khuyen-mai__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #F2C14E; /* Main Color */
}

.page-khuyen-mai__step-text {
  font-size: 1rem;
  color: #FFF6D6; /* Text Main */
}

.page-khuyen-mai__step-text a {
  color: #FFD36B; /* Auxiliary Color */
  text-decoration: none;
}

.page-khuyen-mai__step-text a:hover {
  text-decoration: underline;
}

.page-khuyen-mai__guide-image {
  max-width: 1000px;
  width: 100%;
  height: auto;
  display: block;
  margin: 50px auto 0;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__faq-section {
  padding: 60px 0;
  background-color: #0A0A0A; /* Background */
}

.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-khuyen-mai__faq-item {
  background-color: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #F2C14E; /* Main Color */
  cursor: pointer;
  list-style: none; /* Remove default marker for details summary */
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-khuyen-mai__faq-qtext {
  flex-grow: 1;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  margin-left: 15px;
  color: #FFD36B; /* Auxiliary Color */
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #FFF6D6; /* Text Main */
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

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

.page-khuyen-mai__cta-section {
  padding: 80px 0;
  background: linear-gradient(90deg, #0A0A0A 0%, #111111 50%, #0A0A0A 100%);
  text-align: center;
}