/* style/register.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-register {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-background); /* Nền tổng thể của trang */
}

.page-register__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 20px 60px; /* Nhỏ ở trên, tránh double padding với body */
  position: relative;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của ảnh hero */
  overflow: hidden;
  position: relative;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm mờ ảnh để chữ dễ đọc hơn */
}

.page-register__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  max-width: 900px;
  width: 100%;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền overlay để chữ nổi bật */
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-register__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Sử dụng clamp cho font-size */
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-register__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 25px;
  font-weight: bold;
}

.page-register__section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
}

.page-register__info-section,
.page-register__steps-section,
.page-register__security-section,
.page-register__games-section,
.page-register__promotions-section,
.page-register__faq-section,
.page-register__contact-section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Nền tối cho các section */
.page-register__dark-section {
  background-color: var(--color-card-bg);
  color: var(--color-text-main);
}

/* Nền sáng cho các section */
.page-register__light-bg {
  background-color: #f0f0f0; /* Sử dụng màu sáng hơn để tạo độ tương phản */
  color: #333333; /* Chữ tối trên nền sáng */
}

.page-register__light-bg .page-register__section-title,
.page-register__light-bg .page-register__card-title,
.page-register__light-bg .page-register__faq-qtext {
  color: var(--color-deep-green);
}

.page-register__light-bg .page-register__section-description,
.page-register__light-bg .page-register__card-text,
.page-register__light-bg .page-register__faq-answer p {
  color: #555555;
}

.page-register__light-bg a {
  color: var(--color-primary);
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ */
  max-width: 100%;
  box-sizing: border-box;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  border: none;
  margin: 10px;
}

.page-register__btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--color-glow);
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  margin: 10px;
}

.page-register__btn-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.page-register__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-register__cta-center {
  text-align: center;
}

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

.page-register__feature-card,
.page-register__game-card,
.page-register__promotion-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-divider);
}

.page-register__light-bg .page-register__feature-card,
.page-register__light-bg .page-register__game-card,
.page-register__light-bg .page-register__promotion-card {
  background-color: #ffffff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-register__feature-card:hover,
.page-register__game-card:hover,
.page-register__promotion-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-register__feature-icon,
.page-register__game-image,
.page-register__promotion-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  filter: saturate(1.1) brightness(0.9); /* Không dùng filter đổi màu */
}

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

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

.page-register__light-bg .page-register__card-title a {
  color: var(--color-deep-green);
}

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

.page-register__card-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.page-register__light-bg .page-register__card-text {
  color: #666666;
}

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

.page-register__step-card {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid #e0e0e0;
  color: #333333;
}

.page-register__step-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 15px;
  background: var(--color-deep-green);
  color: var(--color-gold);
  width: 60px;
  height: 60px;
  line-height: 60px;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.page-register__step-image {
  width: 100%;
  height: 250px;
  object-fit: contain; /* Giữ nguyên tỷ lệ ảnh */
  border-radius: 8px;
  margin-top: 20px;
  filter: saturate(1.1) brightness(0.9); /* Không dùng filter đổi màu */
}

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

.page-register__security-item {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-divider);
}

.page-register__security-image,
.page-register__contact-image {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: contain;
  border-radius: 10px;
  margin-top: 50px;
  filter: saturate(1.1) brightness(0.9); /* Không dùng filter đổi màu */
}

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

.page-register__faq-item {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #333333;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  background-color: #f9f9f9;
  color: var(--color-deep-green);
  border-bottom: 1px solid #e0e0e0;
}

.page-register__faq-question:hover {
  background-color: #f0f0f0;
}

.page-register__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
}

.page-register__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: #555555;
  background-color: #ffffff;
  border-top: none;
}

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

.page-register__faq-item[open] .page-register__faq-question {
  border-bottom: 1px solid #e0e0e0;
}

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

.page-register__contact-methods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* 移动端强制适配 */
@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-register__hero-content {
    position: static;
    transform: none;
    padding: 20px 15px;
    background: none; /* Bỏ nền overlay trên mobile để ảnh và chữ rõ hơn */
    box-shadow: none;
    margin-top: 20px; /* Tạo khoảng cách với ảnh */
  }

  .page-register__hero-image-wrapper {
    max-height: 300px;
  }

  .page-register__main-title {
    font-size: 2rem;
    margin-top: 0;
  }

  .page-register__subtitle {
    font-size: 1rem;
  }

  .page-register__section-title {
    font-size: 1.8rem;
  }

  .page-register__section-description {
    font-size: 1rem;
  }

  .page-register__info-section,
  .page-register__steps-section,
  .page-register__security-section,
  .page-register__games-section,
  .page-register__promotions-section,
  .page-register__faq-section,
  .page-register__contact-section {
    padding: 40px 15px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary {
    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__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-register__features-grid,
  .page-register__games-grid,
  .page-register__promotions-grid,
  .page-register__step-by-step,
  .page-register__security-points {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-register__feature-icon,
  .page-register__game-image,
  .page-register__promotion-image,
  .page-register__step-image,
  .page-register__security-image,
  .page-register__contact-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: contain !important; /* Đảm bảo ảnh không bị cắt */
  }

  .page-register__feature-card,
  .page-register__game-card,
  .page-register__promotion-card,
  .page-register__step-card,
  .page-register__security-item {
    padding: 20px;
  }

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

  .page-register__card-text {
    font-size: 0.95rem;
  }

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

  .page-register__faq-answer {
    padding: 15px;
  }

  .page-register__contact-methods {
    flex-direction: column;
  }
}

/* Đảm bảo tất cả img không dùng filter đổi màu */
.page-register img {
  filter: none; /* Đảm bảo không có filter đổi màu */
}

/* Nền body là màu tối, nên màu chữ mặc định là sáng */
.page-register a {
  color: var(--color-primary);
}

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

/* CSS cho details/summary để ẩn mũi tên mặc định */
.page-register__faq-item summary {
  list-style: none;
}

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