/* ===== Page: Khuyến Mãi | BEM: .page-khuyen-mai__* ===== */
/* Colors: BG #0D0E12 | Card #17191F | Text #FFF3E6 | Border #A84F0C | Primary #FF8C1A */

.page-khuyen-mai {
  background-color: #0D0E12;
  color: #FFF3E6;
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
  width: 100%;
}

/* ===== Hero Section ===== */
.page-khuyen-mai__hero-section {
  padding-top: 10px;
  padding-bottom: 32px;
}

.page-khuyen-mai__hero-image-wrap {
  max-width: 1200px;
  margin: 0 auto 24px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(255, 140, 26, 0.15);
}

.page-khuyen-mai__hero-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200/350;
  object-fit: cover;
}

.page-khuyen-mai__hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 0 12px;
}

.page-khuyen-mai__hero-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
  color: #FFF3E6;
  margin: 0 0 16px;
}

.page-khuyen-mai__hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.6;
  color: rgba(255, 243, 230, 0.9);
  margin: 0 auto 24px;
  max-width: 650px;
}

.page-khuyen-mai__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

/* ===== Buttons ===== */
.page-khuyen-mai__btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  text-align: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.page-khuyen-mai__btn--primary {
  background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
  color: #17191F;
  border: 1px solid #FFB04D;
  box-shadow: 0 0 10px rgba(255, 176, 77, 0.3);
}

.page-khuyen-mai__btn--secondary {
  background: transparent;
  color: #FFF3E6;
  border: 2px solid #FF8C1A;
}

.page-khuyen-mai__btn--text {
  background: none;
  color: #FFA53A;
  border: none;
  padding: 8px 16px;
}

/* ===== Section Common ===== */
.page-khuyen-mai__section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: #FFF3E6;
  text-align: center;
  margin: 0 0 12px;
  letter-spacing: 0.5px;
}

.page-khuyen-mai__section-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  text-align: center;
  color: rgba(255, 243, 230, 0.85);
  max-width: 750px;
  margin: 0 auto 32px;
}

/* ===== Partner / Logo Grid ===== */
.page-khuyen-mai__partner-section {
  background-color: #17191F;
  padding: 48px 0;
  border-top: 1px solid #A84F0C;
  border-bottom: 1px solid #A84F0C;
}

.page-khuyen-mai__partner-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px 20px;
  justify-items: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-khuyen-mai__partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: #0D0E12;
  border: 1px solid rgba(168, 79, 12, 0.4);
  border-radius: 8px;
  padding: 20px;
  width: 100%;
  max-width: 260px;
  box-sizing: border-box;
}

.page-khuyen-mai__partner-logo {
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: contain;
}

.page-khuyen-mai__partner-link {
  color: #FFA53A;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.3;
  transition: color 0.2s ease;
}

.page-khuyen-mai__partner-link:hover {
  color: #FFB04D;
  text-decoration: underline;
}

.page-khuyen-mai__partner-item:nth-child(5) {
  grid-column: 2 / 3;
}

.page-khuyen-mai__partner-item:nth-child(6) {
  grid-column: 3 / 4;
}

/* ===== Guide Section ===== */
.page-khuyen-mai__guide-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 16px;
  box-sizing: border-box;
}

.page-khuyen-mai__guide-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  padding: 0 12px;
}

.page-khuyen-mai__guide-item {
  width: 100%;
  max-width: 640px;
  background: #17191F;
  border-radius: 12px;
  padding: 16px;
  margin: 0;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__guide-img {
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid rgba(168, 79, 12, 0.3);
}

.page-khuyen-mai__guide-caption {
  color: #FFF3E6;
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.4;
  margin-bottom: 16px;
}

/* ===== Promo Section ===== */
.page-khuyen-mai__promo-section {
  padding: 48px 0 68px;
}

.page-khuyen-mai__promo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-khuyen-mai__promo-card {
  background-color: #17191F;
  border-radius: 12px;
  overflow: hidden;
  flex: 1 1 calc(50% - 24px);
  min-width: 280px;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(168, 79, 12, 0.25);
}

.page-khuyen-mai__promo-img {
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__promo-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.page-khuyen-mai__promo-title {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 700;
  color: #FFF3E6;
  margin: 0;
  line-height: 1.4;
}

.page-khuyen-mai__promo-text {
  font-size: 0.95rem;
  color: rgba(255, 243, 230, 0.8);
  line-height: 1.6;
  flex-grow: 1;
  margin: 0;
}

.page-khuyen-mai__promo-content .page-khuyen-mai__btn {
  align-self: flex-start;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .page-khuyen-mai__partner-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-khuyen-mai__partner-item:nth-child(5),
  .page-khuyen-mai__partner-item:nth-child(6) {
    grid-column: auto;
  }

  .page-khuyen-mai__promo-card {
    flex: 1 1 100%;
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai__hero-image {
    aspect-ratio: 2/1;
  }

  .page-khuyen-mai__hero-section {
    padding-top: 10px;
    padding-bottom: 24px;
  }

  .page-khuyen-mai__hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .page-khuyen-mai__hero-actions .page-khuyen-mai__btn {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .page-khuyen-mai__partner-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 8px;
  }

  .page-khuyen-mai__partner-item {
    padding: 12px;
  }

  .page-khuyen-mai__guide-section {
    padding: 32px 8px;
  }

  .page-khuyen-mai__guide-item {
    padding: 12px;
  }

  .page-khuyen-mai__promo-section {
    padding: 32px 0 40px;
  }

  .page-khuyen-mai__promo-grid {
    padding: 0 8px;
    gap: 16px;
  }

  .page-khuyen-mai__promo-content {
    padding: 16px;
  }

  .page-khuyen-mai img {
    max-width: 100%;
    height: auto;
  }

  .page-khuyen-mai {
    max-width: 100%;
    overflow-x: hidden;
  }

  .page-khuyen-mai__btn {
    max-width: 100%;
    box-sizing: border-box;
  }
}