/* style/khuynmi.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

:root {
  --khuynmi-primary-color: #C91F17;
  --khuynmi-secondary-color: #E53935;
  --khuynmi-card-bg: #D32F2F;
  --khuynmi-bg-color: #B71C1C;
  --khuynmi-text-main: #FFF5E1;
  --khuynmi-border-color: #F2B544;
  --khuynmi-glow-color: #FFCC66;
  --khuynmi-gold-color: #F4D34D;
  --khuynmi-deep-red: #7A0E0E;
  --khuynmi-button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
}

.page-khuynmi {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--khuynmi-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--bg-color); /* Lấy từ shared.css */
}

.page-khuynmi__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 0 60px 0; /* Padding-top nhỏ, dựa vào body padding */
  background-color: var(--khuynmi-deep-red);
  overflow: hidden;
}

.page-khuynmi__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.page-khuynmi__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6); /* Làm mờ ảnh nền để chữ dễ đọc */
}

.page-khuynmi__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  color: var(--khuynmi-text-main);
}

.page-khuynmi__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--khuynmi-gold-color);
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.page-khuynmi__subtitle {
  font-size: 1.25rem;
  margin-bottom: 30px;
  color: var(--khuynmi-text-main);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuynmi__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-khuynmi__btn-primary,
.page-khuynmi__btn-secondary,
.page-khuynmi__card-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-khuynmi__btn-primary {
  background: var(--khuynmi-button-gradient);
  color: #333333; /* Chữ đen trên nền vàng */
  border: 2px solid var(--khuynmi-gold-color);
}

.page-khuynmi__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-khuynmi__btn-secondary {
  background: var(--khuynmi-deep-red);
  color: var(--khuynmi-text-main);
  border: 2px solid var(--khuynmi-gold-color);
}

.page-khuynmi__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-khuynmi__intro-section,
.page-khuynmi__guide-section,
.page-khuynmi__faq-section {
  padding: 60px 20px;
  background-color: #ffffff;
  color: #333333;
}

.page-khuynmi__dark-section {
  background-color: var(--khuynmi-bg-color);
  color: var(--khuynmi-text-main);
  padding: 60px 20px;
}

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

.page-khuynmi__section-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: var(--khuynmi-primary-color);
}

.page-khuynmi__dark-section .page-khuynmi__section-title {
  color: var(--khuynmi-gold-color);
}

.page-khuynmi__text-block {
  font-size: 1.1rem;
  margin-bottom: 20px;
  text-align: justify;
}

.page-khuynmi__text-main {
  color: var(--khuynmi-text-main);
}

.page-khuynmi__promotions-list {
  text-align: center;
}

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

.page-khuynmi__card {
  background-color: var(--khuynmi-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  color: var(--khuynmi-text-main);
  border: 1px solid var(--khuynmi-border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuynmi__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.page-khuynmi__card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-khuynmi__card-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin: 20px 20px 10px 20px;
  color: var(--khuynmi-gold-color);
}

.page-khuynmi__card-title a {
  color: var(--khuynmi-gold-color);
  text-decoration: none;
}

.page-khuynmi__card-title a:hover {
  text-decoration: underline;
}

.page-khuynmi__card-text {
  font-size: 1rem;
  padding: 0 20px;
  flex-grow: 1;
  text-align: justify;
}

.page-khuynmi__card-button {
  margin: 20px;
  align-self: flex-start;
  background: var(--khuynmi-button-gradient);
  color: #333333; /* Chữ đen trên nền vàng */
  border: 1px solid var(--khuynmi-gold-color);
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1rem;
  text-align: center;
}

.page-khuynmi__card-button:hover {
  opacity: 0.9;
}

.page-khuynmi__view-all-promotions {
  margin-top: 40px;
}

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

.page-khuynmi__step-item {
  background-color: #f8f8f8;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-khuynmi__step-item:hover {
  transform: translateY(-5px);
}

.page-khuynmi__step-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--khuynmi-primary-color);
  margin-bottom: 15px;
}

.page-khuynmi__step-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--khuynmi-primary-color);
  margin-bottom: 10px;
}

.page-khuynmi__step-text {
  font-size: 1rem;
  color: #555555;
}

.page-khuynmi__guide-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 50px auto 0 auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-khuynmi__terms-list {
  list-style: disc;
  margin: 30px 0 30px 20px;
  padding: 0;
  color: var(--khuynmi-text-main);
  font-size: 1.1rem;
}

.page-khuynmi__terms-list li {
  margin-bottom: 10px;
}

.page-khuynmi__faq-list {
  margin-top: 40px;
}

.page-khuynmi__faq-item {
  background-color: #f8f8f8;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuynmi__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--khuynmi-primary-color);
  cursor: pointer;
  background-color: #ffffff;
  border-bottom: 1px solid #f0f0f0;
  list-style: none; /* Remove default marker for details summary */
}

.page-khuynmi__faq-item summary::-webkit-details-marker { /* For Webkit browsers */
  display: none;
}

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

.page-khuynmi__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-khuynmi__faq-item[open] .page-khuynmi__faq-toggle {
  transform: rotate(45deg);
}

.page-khuynmi__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: #555555;
  background-color: #fdfdfd;
  border-top: 1px solid #eee;
}

.page-khuynmi__faq-answer p {
  margin: 0;
}

.page-khuynmi__cta-bottom {
  padding: 80px 20px;
  text-align: center;
}

.page-khuynmi__cta-bottom .page-khuynmi__section-title {
  color: var(--khuynmi-gold-color);
}

.page-khuynmi__cta-bottom .page-khuynmi__text-block {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

/* ==================================================================
   Responsive Design - Mobile First 
   ================================================================== */

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

  .page-khuynmi__hero-section {
    padding: 10px 15px 40px 15px; /* Điều chỉnh padding cho mobile */
  }

  .page-khuynmi__hero-content {
    padding: 15px;
  }

  .page-khuynmi__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-khuynmi__subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-khuynmi__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-khuynmi__btn-primary,
  .page-khuynmi__btn-secondary,
  .page-khuynmi a[class*="button"],
  .page-khuynmi 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: 12px 20px;
    font-size: 1rem;
  }

  .page-khuynmi__intro-section,
  .page-khuynmi__promotions-list,
  .page-khuynmi__guide-section,
  .page-khuynmi__terms-section,
  .page-khuynmi__faq-section,
  .page-khuynmi__cta-bottom {
    padding: 40px 15px;
  }

  .page-khuynmi__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .page-khuynmi__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-khuynmi__card {
    margin-bottom: 20px;
  }

  .page-khuynmi__card-image {
    height: 180px;
  }

  .page-khuynmi__card-title {
    font-size: 1.3rem;
    margin: 15px 15px 8px 15px;
  }

  .page-khuynmi__card-text {
    padding: 0 15px;
  }

  .page-khuynmi__card-button {
    margin: 15px;
    width: calc(100% - 30px);
    box-sizing: border-box;
  }

  .page-khuynmi__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-khuynmi__guide-image {
    margin-top: 30px;
  }

  .page-khuynmi__terms-list {
    margin-left: 15px;
    font-size: 1rem;
  }

  .page-khuynmi__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-khuynmi__faq-answer {
    padding: 15px;
    font-size: 0.95rem;
  }
  
  /* Mobile responsive for images and containers */
  .page-khuynmi img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-khuynmi__section,
  .page-khuynmi__card,
  .page-khuynmi__container,
  .page-khuynmi__hero-image-wrapper,
  .page-khuynmi__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  /* Ensure padding for containers on mobile */
  .page-khuynmi__container {
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* Specific padding for sections if they don't use __container */
  .page-khuynmi__intro-section,
  .page-khuynmi__promotions-list,
  .page-khuynmi__guide-section,
  .page-khuynmi__terms-section,
  .page-khuynmi__faq-section,
  .page-khuynmi__cta-bottom {
    padding-left: 15px;
    padding-right: 15px;
  }
}