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

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

.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__section-title {
  font-size: 3em;
  font-weight: bold;
  color: var(--page-register-gold-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.05em;
}

.page-register__section-description {
  font-size: 1.1em;
  color: var(--page-register-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* body đã xử lý padding-top, chỉ cần 10px để trang trí */
  background-color: var(--page-register-background);
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-height: 675px; /* Giới hạn chiều cao để không quá lớn */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  filter: brightness(0.8);
}

.page-register__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Kéo nội dung lên gần ảnh hơn */
}

.page-register__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em); /* Sử dụng clamp cho responsive H1 */
  font-weight: 900;
  color: var(--page-register-gold-color);
  margin-bottom: 20px;
  line-height: 1.1;
  text-shadow: 0 0 15px rgba(242, 193, 78, 0.5);
}

.page-register__hero-description {
  font-size: 1.2em;
  color: var(--page-register-text-main);
  margin-bottom: 40px;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%; /* Đảm bảo responsive */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--page-register-button-gradient);
  color: #ffffff;
  border: 2px solid var(--page-register-glow-color);
  box-shadow: 0 0 15px rgba(87, 227, 141, 0.4);
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(87, 227, 141, 0.6);
  opacity: 0.9;
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--page-register-glow-color);
  border: 2px solid var(--page-register-glow-color);
  margin-left: 20px;
}

.page-register__btn-secondary:hover {
  background: var(--page-register-glow-color);
  color: var(--page-register-background);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(87, 227, 141, 0.2);
}

.page-register__registration-form-section {
  padding: 60px 0;
  background-color: var(--page-register-background);
}

.page-register__form-wrapper {
  background-color: var(--page-register-card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
  max-width: 600px;
  margin: 0 auto;
  border: 1px solid var(--page-register-border-color);
}

.page-register__registration-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-register__form-group {
  display: flex;
  flex-direction: column;
}

.page-register__form-label {
  font-size: 1em;
  color: var(--page-register-text-main);
  margin-bottom: 8px;
  font-weight: bold;
}

.page-register__form-input {
  padding: 12px 15px;
  border: 1px solid var(--page-register-border-color);
  border-radius: 8px;
  background-color: var(--page-register-deep-green-color);
  color: var(--page-register-text-main);
  font-size: 1em;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-register__form-input::placeholder {
  color: var(--page-register-text-secondary);
  opacity: 0.7;
}

.page-register__form-input:focus {
  border-color: var(--page-register-glow-color);
  box-shadow: 0 0 8px rgba(87, 227, 141, 0.5);
}

.page-register__captcha-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-register__captcha-input {
  flex-grow: 1;
}

.page-register__captcha-image {
  border-radius: 6px;
  border: 1px solid var(--page-register-border-color);
  display: block; /* Ensure image is not smaller than 200px */
  min-width: 200px; /* Minimum size for content images */
  min-height: 60px;
  width: 150px; /* Actual display width */
  height: 50px;
}

.page-register__captcha-refresh-btn {
  background-color: var(--page-register-secondary-color);
  color: #ffffff;
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9em;
  transition: background-color 0.3s ease;
}

.page-register__captcha-refresh-btn:hover {
  background-color: var(--page-register-primary-color);
}

.page-register__form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-register__form-checkbox {
  margin-top: 4px;
}

.page-register__form-checkbox-label {
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
}

.page-register__link {
  color: var(--page-register-glow-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-register__link:hover {
  text-decoration: underline;
  color: var(--page-register-gold-color);
}

.page-register__submit-button {
  margin-top: 20px;
  width: auto; /* Để nút không bị tràn khi dùng flex-direction: column */
  align-self: center; /* Căn giữa nút */
  min-width: 200px; /* Đảm bảo nút đủ lớn */
}

.page-register__login-prompt {
  text-align: center;
  margin-top: 20px;
  color: var(--page-register-text-secondary);
  font-size: 0.95em;
}

.page-register__benefits-section,
.page-register__security-section,
.page-register__faq-section {
  padding: 80px 0;
  background-color: var(--page-register-background);
}

.page-register__benefits-section.page-register__dark-bg,
.page-register__security-section.page-register__dark-bg,
.page-register__faq-section.page-register__dark-bg {
  background-color: var(--page-register-card-bg);
  color: var(--page-register-text-main);
}

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

.page-register__benefit-card {
  background-color: var(--page-register-deep-green-color);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-register__benefit-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px;
  min-width: 200px; /* Minimum size for content images */
  min-height: 200px;
}

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

.page-register__benefit-text {
  font-size: 1em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
}

.page-register__cta-wrapper {
  text-align: center;
  margin-top: 60px;
}

.page-register__guide-section {
  padding: 80px 0;
  background-color: var(--page-register-background);
}

.page-register__step-by-step-guide {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 60px;
}

.page-register__guide-item {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-register__guide-item:nth-child(even) {
  flex-direction: row-reverse;
}

.page-register__guide-number {
  font-size: 4em;
  font-weight: bold;
  color: var(--page-register-gold-color);
  min-width: 80px;
  text-align: center;
}

.page-register__guide-content {
  flex: 1;
}

.page-register__guide-title {
  font-size: 2em;
  color: var(--page-register-glow-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-register__guide-text {
  font-size: 1.1em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
}

.page-register__guide-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-register-border-color);
  min-width: 200px; /* Minimum size for content images */
  min-height: 200px;
}

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

.page-register__feature-item {
  background-color: var(--page-register-deep-green-color);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-register__feature-title {
  font-size: 1.4em;
  color: var(--page-register-gold-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-register__feature-text {
  font-size: 1em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
}

.page-register__call-to-action-text {
  text-align: center;
  margin-top: 40px;
  font-size: 1.1em;
  color: var(--page-register-text-main);
  font-weight: bold;
}

.page-register__promotions-section {
  padding: 80px 0;
  background-color: var(--page-register-background);
}

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

.page-register__promo-card {
  background-color: var(--page-register-card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-register__promo-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  min-width: 200px; /* Minimum size for content images */
  min-height: 200px;
}

.page-register__promo-card .page-register__promo-title {
  font-size: 1.5em;
  color: var(--page-register-gold-color);
  padding: 20px 20px 0;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-register__promo-card .page-register__promo-text {
  font-size: 1em;
  color: var(--page-register-text-secondary);
  padding: 0 20px 20px;
  line-height: 1.6;
}

.page-register__promo-card .page-register__btn-secondary {
  display: block;
  margin: 0 20px 20px;
  width: calc(100% - 40px);
  background: var(--page-register-deep-green-color);
  color: var(--page-register-glow-color);
  border-color: var(--page-register-glow-color);
}

.page-register__promo-card .page-register__btn-secondary:hover {
  background: var(--page-register-glow-color);
  color: var(--page-register-card-bg);
}

.page-register__faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-register__faq-item {
  background-color: var(--page-register-deep-green-color);
  border-radius: 12px;
  border: 1px solid var(--page-register-border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--page-register-text-main);
  cursor: pointer;
  background-color: var(--page-register-card-bg);
  border-bottom: 1px solid var(--page-register-divider-color);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

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

.page-register__faq-toggle {
  font-size: 1.5em;
  color: var(--page-register-glow-color);
  transition: transform 0.3s ease;
}

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

.page-register__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: var(--page-register-text-secondary);
  line-height: 1.6;
  background-color: var(--page-register-deep-green-color);
}

.page-register__faq-item:not([open]) .page-register__faq-answer {
  display: none; /* Hide answer when not open for details tag */
}

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

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

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-register__section-title {
    font-size: 2.5em;
  }

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

  .page-register__main-title {
    font-size: clamp(2em, 4.5vw, 3em);
  }

  .page-register__guide-item {
    flex-direction: column;
    gap: 20px;
  }

  .page-register__guide-item:nth-child(even) {
    flex-direction: column;
  }

  .page-register__guide-image {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .page-register__container {
    padding: 0 15px !important;
  }

  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-register__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset, đây là padding trang trí */
    padding-bottom: 40px;
  }

  .page-register__hero-content {
    padding: 20px 15px;
    margin-top: -60px; /* Điều chỉnh vị trí nội dung */
  }

  .page-register__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }

  .page-register__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-register__section-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

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

  .page-register__btn-primary,
  .page-register__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 0 15px 0 !important; /* Đảm bảo nút xuống dòng và có khoảng cách */
    padding: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  .page-register__form-wrapper {
    padding: 25px;
  }

  .page-register__captcha-container {
    flex-wrap: wrap;
  }

  .page-register__captcha-input {
    width: calc(100% - 160px);
    max-width: calc(100% - 160px);
  }

  .page-register__captcha-image {
    flex-shrink: 0;
    width: 100px; /* Adjust size for smaller screens */
    height: 40px;
    min-width: 100px; /* Still maintain a minimum for content images */
    min-height: 40px;
  }

  .page-register__captcha-refresh-btn {
    flex-grow: 1;
    min-width: unset;
    width: auto;
  }

  .page-register__form-checkbox-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-register__benefits-grid,
  .page-register__security-features,
  .page-register__promo-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__benefit-card,
  .page-register__feature-item,
  .page-register__promo-card {
    padding: 20px;
  }

  .page-register__guide-number {
    font-size: 3em;
    min-width: 60px;
  }

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

  .page-register__guide-text {
    font-size: 0.95em;
  }

  .page-register__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-register__faq-answer {
    padding: 15px 20px;
    font-size: 0.9em;
  }

  /* Mobile image responsiveness */
  .page-register img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__hero-image-wrapper,
  .page-register__registration-form-section,
  .page-register__benefits-section,
  .page-register__guide-section,
  .page-register__security-section,
  .page-register__promotions-section,
  .page-register__faq-section,
  .page-register__cta-final-section,
  .page-register__card,
  .page-register__container,
  .page-register__form-wrapper,
  .page-register__benefits-grid,
  .page-register__security-features,
  .page-register__promo-cards-grid,
  .page-register__faq-list,
  .page-register__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-register__hero-content {
    margin-top: -40px;
  }

  .page-register__main-title {
    font-size: clamp(1.5em, 8vw, 2em);
  }

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

  .page-register__guide-number {
    font-size: 2.5em;
  }

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

  .page-register__captcha-container {
    flex-direction: column;
    align-items: stretch;
  }

  .page-register__captcha-input,
  .page-register__captcha-image,
  .page-register__captcha-refresh-btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__captcha-image {
    height: 50px;
    object-fit: contain;
  }
}