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

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

.page-register {
  background-color: var(--page-register-bg);
  color: var(--page-register-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
  font-size: 1rem;
}

.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-register__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin-top: -150px; /* Pull content up over image slightly for visual flow, without overlapping text on image */
  background-color: rgba(8, 22, 15, 0.85); /* Semi-transparent background for readability */
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-register-border);
}

.page-register__main-title {
  font-size: clamp(2rem, 4vw, 3.5rem); /* Responsive font size */
  font-weight: bold;
  color: var(--page-register-gold);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-register__hero-description {
  font-size: 1.15rem;
  color: var(--page-register-text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--page-register-btn-gradient);
  color: #ffffff; /* Ensure white text for contrast */
  border: none;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

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

.page-register__btn-secondary:hover {
  background-color: var(--page-register-glow);
  color: var(--page-register-deep-green); /* Darker text for contrast on hover */
  transform: translateY(-3px);
}

.page-register__section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}

.page-register__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--page-register-gold);
  margin-bottom: 40px;
  font-weight: bold;
}

.page-register__text-block {
  font-size: 1.05rem;
  color: var(--page-register-text-secondary);
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-register__card {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--page-register-text-main); /* Ensure text color is main */
}

.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-register__card-image {
  width: 100%;
  max-width: 400px; /* Recommended size for card images */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-register__card-title {
  font-size: 1.5rem;
  color: var(--page-register-gold);
  margin-bottom: 15px;
  font-weight: bold;
}

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

.page-register__steps-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
  text-align: left;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__step-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 10px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: flex-start;
}

.page-register__step-icon {
  width: 50px;
  height: 50px;
  background: var(--page-register-btn-gradient);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.page-register__step-title {
  font-size: 1.6rem;
  color: var(--page-register-gold);
  font-weight: bold;
}

.page-register__step-text {
  font-size: 1.05rem;
  color: var(--page-register-text-secondary);
}

.page-register__step-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  object-fit: cover;
}

.page-register__cta-bottom {
  margin-top: 60px;
}

.page-register__security-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  text-align: left;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__security-list li {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.1rem;
  color: var(--page-register-text-main);
}

.page-register__list-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.page-register__faq-container {
  margin-top: 40px;
  text-align: left;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-register-text-main);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--page-register-gold);
  background-color: var(--page-register-deep-green);
  border-bottom: 1px solid var(--page-register-divider);
  list-style: none; /* For details/summary */
}

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

.page-register__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--page-register-glow);
  transition: transform 0.3s ease;
}

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

.page-register__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
  border-top: 1px solid var(--page-register-divider);
}

.page-register__faq-item:not([open]) .page-register__faq-answer {
  display: none;
}

/* Floating CTA for mobile */
.page-register__floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(8, 22, 15, 0.95);
  padding: 10px 15px;
  display: flex;
  justify-content: space-around;
  gap: 10px;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--page-register-border);
}

.page-register__floating-btn {
  flex: 1;
  padding: 12px 15px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-register__floating-btn--register:hover {
  opacity: 0.9;
}

.page-register__floating-btn--login {
  background-color: transparent;
  color: var(--page-register-glow);
  border: 2px solid var(--page-register-glow);
}

.page-register__floating-btn--login:hover {
  background-color: var(--page-register-glow);
  color: var(--page-register-deep-green);
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-register__hero-content {
    margin-top: -100px;
    padding: 30px;
  }

  .page-register__main-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
  }

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

  .page-register__section-title {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
  }

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

  .page-register__step-title {
    font-size: 1.4rem;
  }
}

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

  .page-register__hero-section {
    padding-bottom: 40px;
  }

  .page-register__hero-content {
    margin-top: -80px;
    padding: 25px 15px;
  }

  .page-register__main-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }

  .page-register__hero-description {
    font-size: 0.95rem;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 1rem;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-register__section {
    padding: 40px 15px;
  }

  .page-register__section-title {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  .page-register__text-block {
    font-size: 0.95rem;
  }

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

  .page-register__card {
    padding: 25px;
  }

  .page-register__card-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__card-title {
    font-size: 1.2rem;
  }

  .page-register__step-item {
    padding: 25px;
  }

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

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

  .page-register__step-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__security-list {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .page-register__security-list li {
    padding: 15px;
    font-size: 1rem;
  }

  .page-register__list-icon {
    width: 40px;
    height: 40px;
  }

  .page-register__faq-question {
    padding: 15px;
    font-size: 1.1rem;
  }

  .page-register__faq-answer {
    padding: 15px;
    font-size: 0.95rem;
  }

  .page-register__floating-cta {
    padding: 8px 10px;
    gap: 8px;
  }

  .page-register__floating-btn {
    font-size: 0.9rem;
    padding: 10px 12px;
  }

  /* Ensure all content containers are responsive */
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-section,
  .page-register__hero-content,
  .page-register__cta-buttons,
  .page-register__feature-grid,
  .page-register__steps-container,
  .page-register__step-item,
  .page-register__security-list,
  .page-register__faq-container,
  .page-register__faq-item,
  .page-register__floating-cta {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }
}