/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
  --page-register-primary-color: #11A84E;
  --page-register-secondary-color: #22C768;
  --page-register-card-bg: #11271B;
  --page-register-background: #08160F;
  --page-register-text-main: #F2FFF6;
  --page-register-text-secondary: #A7D9B8;
  --page-register-border-color: #2E7A4E;
  --page-register-glow-color: #57E38D;
  --page-register-gold-color: #F2C14E;
  --page-register-divider-color: #1E3A2A;
  --page-register-deep-green-color: #0A4B2C;
  --page-register-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-register {
  font-family: 'Arial', sans-serif;
  color: var(--page-register-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--page-register-background);
}

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px; /* body đã xử lý padding-top, chỉ thêm 10px cho khoảng cách nhỏ */
  background-color: var(--page-register-deep-green-color);
  text-align: center;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 1920px; /* Đảm bảo hình ảnh không quá rộng */
  margin-bottom: 30px; /* Khoảng cách giữa ảnh và nội dung */
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
}

.page-register__main-title {
  font-size: clamp(2em, 4vw, 3.2em); /* Sử dụng clamp để đảm bảo responsive */
  color: var(--page-register-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.page-register__intro-text {
  font-size: 1.1em;
  color: var(--page-register-text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-register__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-register-text-main);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-register__section-description {
  font-size: 1.05em;
  color: var(--page-register-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.page-register__why-choose-section,
.page-register__guide-section,
.page-register__promotions-section,
.page-register__faq-section {
  padding: 80px 0;
  background-color: var(--page-register-background);
}

.page-register__dark-bg {
  background-color: var(--page-register-deep-green-color);
  color: var(--page-register-text-main);
}

.page-register__bg {
  background-color: var(--page-register-background);
}

.page-register__card {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* Đảm bảo nội dung được đẩy đều */
  height: 100%; /* Đảm bảo các card có chiều cao bằng nhau trong grid */
}

.page-register__card-title {
  font-size: 1.5em;
  color: var(--page-register-text-main);
  margin-top: 20px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__card-text {
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
  flex-grow: 1; /* Cho phép text mở rộng */
}

.page-register__text-main {
  color: var(--page-register-text-main);
}

.page-register__text-secondary {
  color: var(--page-register-text-secondary);
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-size: 1.05em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 20px;
  cursor: pointer;
  box-sizing: border-box; /* Quan trọng cho responsive button */
}

.page-register__btn-primary {
  background: var(--page-register-btn-gradient);
  color: #ffffff;
  border: none;
}

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

.page-register__btn-secondary {
  background-color: transparent;
  color: var(--page-register-glow-color);
  border: 2px solid var(--page-register-glow-color);
}

.page-register__btn-secondary:hover {
  background-color: var(--page-register-glow-color);
  color: var(--page-register-deep-green-color);
}

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

.page-register__feature-image,
.page-register__step-image,
.page-register__promo-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
  object-fit: cover;
}

.page-register__step-number {
  width: 60px;
  height: 60px;
  line-height: 60px;
  border-radius: 50%;
  background-color: var(--page-register-glow-color);
  color: var(--page-register-deep-green-color);
  font-size: 2em;
  font-weight: bold;
  margin: 0 auto 20px;
}

.page-register__requirements-section {
  padding: 80px 0;
}

.page-register__requirements-list {
  list-style: none;
  padding: 0;
  margin: 40px auto;
  max-width: 800px;
}

.page-register__list-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 15px;
  font-size: 1em;
  color: var(--page-register-text-secondary);
  display: flex;
  align-items: center;
  line-height: 1.5;
}

.page-register__list-item::before {
  content: '✔';
  color: var(--page-register-glow-color);
  margin-right: 10px;
  font-weight: bold;
}

.page-register__faq-section {
  padding: 80px 0;
}

.page-register__faq-list {
  max-width: 900px;
  margin: 40px auto;
}

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 600;
  color: var(--page-register-text-main);
  background-color: var(--page-register-deep-green-color);
  border-bottom: 1px solid var(--page-register-border-color);
}

.page-register__faq-question:hover {
  background-color: var(--page-register-deep-green-color);
  opacity: 0.9;
}

.page-register__faq-item[open] > .page-register__faq-question {
  border-bottom: 1px solid var(--page-register-border-color);
}

.page-register__faq-question::-webkit-details-marker {
  display: none;
}

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

.page-register__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  margin-left: 15px;
  color: var(--page-register-glow-color);
}

.page-register__faq-item[open] .page-register__faq-toggle {
  content: '−';
}

.page-register__faq-answer {
  padding: 20px;
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
  background-color: var(--page-register-card-bg);
}

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

.page-register__final-text {
  text-align: center;
  margin-top: 50px;
  font-size: 1em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
}

.page-register__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--page-register-deep-green-color);
}

.page-register__final-cta {
  margin-top: 40px;
  padding: 15px 35px;
  font-size: 1.2em;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__hero-content {
    max-width: 700px;
  }

  .page-register__features-grid,
  .page-register__steps-grid,
  .page-register__promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }

  .page-register__card-title {
    font-size: 1.3em;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding: 10px 0 40px;
  }

  .page-register__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

  .page-register__intro-text {
    font-size: 1em;
  }

  .page-register__section-title {
    font-size: clamp(1.5em, 5vw, 2.2em);
  }

  .page-register__section-description,
  .page-register__card-text,
  .page-register__list-item,
  .page-register__faq-answer {
    font-size: 0.9em;
  }

  .page-register__features-grid,
  .page-register__steps-grid,
  .page-register__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__card {
    padding: 25px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register 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-left: 15px;
    padding-right: 15px;
  }
  
  .page-register__hero-cta {
    max-width: 300px !important; /* Giới hạn chiều rộng cho CTA chính */
    width: 100% !important;
  }

  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  
  .page-register__btn-container {
    display: flex;
    flex-direction: column;
  }

  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-register__hero-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  .page-register__faq-question {
    font-size: 1em;
    padding: 15px;
  }

  .page-register__faq-toggle {
    font-size: 1.2em;
  }
  
  .page-register__final-cta {
    max-width: 300px !important;
    width: 100% !important;
    margin: 40px auto 0;
  }
}

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.5em, 8vw, 2.2em);
  }

  .page-register__section-title {
    font-size: clamp(1.3em, 7vw, 1.8em);
  }

  .page-register__btn-primary,
  .page-register__btn-secondary {
    padding: 10px 20px;
    font-size: 0.95em;
  }

  .page-register__step-number {
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 1.8em;
  }
}