/* style/register.css */
/* body đã xử lý padding-top: var(--header-offset); trang này không cần lặp lại biến đó */
.page-register {
  color: var(--text-main); /* #F2FFF6 */
  background-color: var(--bg-color); /* #08160F */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

/* Biến màu dựa trên bảng màu được cung cấp */
:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --bg-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

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

/* Phần Hero */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px 40px; /* Padding trên nhỏ, body xử lý offset header */
  background-color: var(--bg-color);
  overflow: hidden; /* Đảm bảo không tràn ảnh */
}

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

.page-register__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5); /* Làm tối ảnh để dễ đọc chữ */
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: var(--text-main);
  padding: 20px;
  border-radius: 10px;
}

.page-register__main-title {
  font-size: clamp(2.2em, 5vw, 3.5em); /* Kích thước font phản hồi, không cố định quá lớn */
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
}

.page-register__hero-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Phong cách chung của các phần */
.page-register__section {
  padding: 60px 0;
  background-color: var(--bg-color);
  color: var(--text-main);
}

.page-register__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.page-register__section-intro {
  font-size: 1.1em;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* Phong cách thẻ (Card) */
.page-register__card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* Nút (Buttons) */
.page-register__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1em;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* Chữ trắng để tương phản với gradient xanh */
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  filter: brightness(1.1);
}

/* Phần "Tại Sao Chọn" */
.page-register__why-choose {
  background-color: var(--deep-green); /* Nền hơi khác để tạo điểm nhấn */
}

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

.page-register__feature-item {
  text-align: center;
}

.page-register__feature-icon {
  width: 100%;
  height: auto;
  max-width: 250px; /* Ví dụ, điều chỉnh theo nhu cầu */
  margin: 0 auto 20px;
  display: block;
  object-fit: contain;
}

.page-register__feature-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-register__feature-description {
  color: var(--text-secondary);
}

.page-register__cta-section {
  text-align: center;
  margin-top: 50px;
}

/* Phần Hướng dẫn Đăng ký */
.page-register__registration-guide {
  background-color: var(--bg-color);
}

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

.page-register__step-item {
  position: relative;
  text-align: center;
  padding-top: 50px; /* Khoảng trống cho số bước */
}

.page-register__step-number {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5em;
  font-weight: 700;
  border: 3px solid var(--border-color);
  box-shadow: 0 0 15px var(--glow-color);
}

.page-register__step-title {
  font-size: 1.4em;
  color: var(--gold-color);
  margin-top: 20px;
  margin-bottom: 10px;
}

.page-register__step-description {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-register__step-image {
  width: 100%;
  height: auto;
  max-width: 400px;
  margin: 0 auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

/* Phần Bảo mật & Quyền riêng tư */
.page-register__security-privacy {
  background-color: var(--deep-green);
}

.page-register__security-content {
  display: flex;
  flex-direction: row;
  gap: 40px;
  margin-top: 40px;
  align-items: center;
}

.page-register__security-text {
  flex: 2;
}

.page-register__security-image-wrapper {
  flex: 1;
  text-align: center;
}

.page-register__security-image {
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: 10px;
  object-fit: cover;
}

.page-register__sub-title {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-register__security-privacy p {
  color: var(--text-secondary);
  margin-bottom: 15px;
}

/* Phần Khuyến mãi */
.page-register__promotions {
  background-color: var(--bg-color);
}

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

.page-register__promo-item {
  text-align: center;
}

.page-register__promo-image {
  width: 100%;
  height: 200px; /* Chiều cao cố định để nhất quán */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-register__promo-title {
  font-size: 1.4em;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-register__promo-description {
  color: var(--text-secondary);
}

/* Phần Trò chơi */
.page-register__game-offerings {
  background-color: var(--deep-green);
}

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

.page-register__game-item {
  text-align: center;
}

.page-register__game-image {
  width: 100%;
  height: 180px; /* Chiều cao cố định để nhất quán */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-register__game-title {
  font-size: 1.3em;
  margin-bottom: 10px;
}

.page-register__game-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.page-register__game-link:hover {
  text-decoration: underline;
  color: var(--glow-color);
}

.page-register__game-description {
  color: var(--text-secondary);
}

/* Phần Câu hỏi thường gặp (FAQ) */
.page-register__faq {
  background-color: var(--bg-color);
}

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

.page-register__faq-item {
  margin-bottom: 20px;
  border-radius: 10px;
  overflow: hidden;
  background-color: var(--card-bg); /* Sử dụng nền thẻ cho các mục FAQ */
  border: 1px solid var(--border-color);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--divider-color);
  list-style: none; /* Cho details/summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none; /* Cho details/summary */
}

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

.page-register__faq-qtext {
  flex-grow: 1;
  color: var(--primary-color);
}

.page-register__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--gold-color);
  margin-left: 20px;
}

.page-register__faq-answer {
  padding: 20px 30px;
  font-size: 1em;
  color: var(--text-secondary);
  background-color: var(--card-bg);
  border-top: 1px solid var(--divider-color);
}

.page-register__faq-item[open] .page-register__faq-question {
  border-bottom: none;
}

/* Phần CTA cuối cùng */
.page-register__final-cta .page-register__container {
  text-align: center;
  padding: 50px;
  background-color: var(--card-bg);
  border: 2px solid var(--primary-color);
  border-radius: 15px;
  margin-top: 60px;
  box-shadow: 0 0 25px rgba(var(--glow-color), 0.5); /* Thay thế rgba với biến */
}

.page-register__final-cta .page-register__section-title {
  color: var(--gold-color);
  margin-bottom: 25px;
}

.page-register__final-cta .page-register__section-intro {
  color: var(--text-main);
  margin-bottom: 40px;
}

/* Phong cách Phản hồi (Responsive Styles) */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: clamp(2em, 6vw, 3em);
  }

  .page-register__section-title {
    font-size: 2em;
  }

  .page-register__security-content {
    flex-direction: column;
  }

  .page-register__security-image-wrapper {
    order: -1; /* Ảnh trên văn bản trên màn hình nhỏ hơn */
    margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding: 40px 15px 30px;
  }

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

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

  .page-register__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-register__cta-button {
    padding: 12px 25px;
    font-size: 1em;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-register__section {
    padding: 40px 0;
  }

  .page-register__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-register__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

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

  .page-register__feature-icon,
  .page-register__step-image,
  .page-register__promo-image,
  .page-register__game-image,
  .page-register__security-image {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: cover;
  }

  .page-register__container {
    padding-left: 15px;
    padding-right: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__final-cta .page-register__container {
    padding: 30px 15px;
  }
}

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.5em, 9vw, 2em);
  }

  .page-register__section-title {
    font-size: 1.5em;
  }
}