/* style/register.css */
:root {
    --primary-color: #FF8C1A;
    --secondary-color: #FFA53A;
    --card-bg-color: #17191F;
    --background-color: #0D0E12;
    --text-main-color: #FFF3E6;
    --border-color: #A84F0C;
    --glow-color: #FFB04D;
    --deep-orange-color: #D96800;
    --form-input-bg: rgba(255, 255, 255, 0.08);
    --form-input-border: #A84F0C;
    --form-input-placeholder: rgba(255, 255, 255, 0.6);
    --link-color: var(--secondary-color);
}

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

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

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 60px;
    padding-top: 10px; /* body已承担 --header-offset */
    overflow: hidden;
    background-color: var(--background-color);
}

.page-register__hero-image-wrapper {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-register__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    filter: brightness(0.7); /* Slightly dim the image for text contrast */
}

.page-register__hero-content {
    text-align: center;
    padding: 40px 20px;
    z-index: 1;
    margin-top: -150px; /* Pull content up over the image slightly for visual flow */
    position: relative;
    background: linear-gradient(to top, var(--background-color) 0%, rgba(13, 14, 18, 0.8) 50%, rgba(13, 14, 18, 0) 100%);
    width: 100%;
    max-width: 900px;
    padding-top: 100px;
}

.page-register__main-title {
    font-size: clamp(2em, 4vw, 3.5em);
    font-weight: 700;
    color: var(--text-main-color);
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-register__hero-description {
    font-size: clamp(1em, 1.5vw, 1.2em);
    color: var(--text-main-color);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
    border: none;
    cursor: pointer;
}

.page-register__cta-button:hover {
    background: linear-gradient(180deg, var(--deep-orange-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 6px 20px rgba(255, 140, 26, 0.6);
    transform: translateY(-2px);
}

.page-register__section-title {
    font-size: clamp(1.8em, 3vw, 2.8em);
    color: var(--text-main-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    padding-top: 40px;
}

.page-register__section-description {
    font-size: 1.1em;
    color: rgba(255, 243, 230, 0.8);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
}

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

.page-register__registration-form {
    background-color: var(--card-bg-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 40px auto;
    border: 1px solid var(--border-color);
}

.page-register__form-group {
    margin-bottom: 25px;
}

.page-register__form-label {
    display: block;
    margin-bottom: 10px;
    font-size: 1em;
    color: var(--text-main-color);
    font-weight: 500;
}

.page-register__form-input {
    width: calc(100% - 20px);
    padding: 12px 10px;
    background-color: var(--form-input-bg);
    border: 1px solid var(--form-input-border);
    border-radius: 6px;
    font-size: 1em;
    color: var(--text-main-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.page-register__form-input::placeholder {
    color: var(--form-input-placeholder);
}

.page-register__form-input:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 165, 58, 0.3);
}

.page-register__form-checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.page-register__checkbox-input {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.page-register__checkbox-label {
    font-size: 0.95em;
    color: var(--text-main-color);
}

.page-register__text-link {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.page-register__submit-button {
    width: 100%;
    padding: 15px 20px;
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
}

.page-register__submit-button:hover {
    background: linear-gradient(180deg, var(--deep-orange-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 6px 20px rgba(255, 140, 26, 0.6);
}

.page-register__login-prompt {
    text-align: center;
    margin-top: 30px;
    font-size: 1em;
    color: rgba(255, 243, 230, 0.8);
}

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

.page-register__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-register__benefit-card {
    background-color: var(--card-bg-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.page-register__benefit-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    filter: saturate(1.2) brightness(0.9);
}

.page-register__benefit-title {
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__benefit-text {
    font-size: 1em;
    color: rgba(255, 243, 230, 0.9);
}

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

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

.page-register__security-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

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

.page-register__security-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.page-register__security-item {
    position: relative;
    font-size: 1.1em;
    color: var(--text-main-color);
    margin-bottom: 15px;
    padding-left: 30px;
}

.page-register__security-item::before {
    content: '✅';
    position: absolute;
    left: 0;
    top: 0;
}

.page-register__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    text-decoration: none;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-register__btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--background-color);
    box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-register__security-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-register__security-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    filter: saturate(1.1) brightness(0.95);
}

.page-register__faq-section {
    padding: 80px 0;
    background-color: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
}

.page-register__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__faq-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-register__faq-item[open] {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--secondary-color);
    background-color: var(--card-bg-color);
    border-bottom: 1px solid transparent; /* default */
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-register__faq-item[open] .page-register__faq-question {
    border-bottom-color: var(--border-color);
}

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

.page-register__faq-question:hover {
    background-color: rgba(255, 140, 26, 0.1);
}

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

.page-register__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    margin-left: 20px;
    color: var(--primary-color);
    line-height: 1;
}

.page-register__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: rgba(255, 243, 230, 0.9);
    background-color: var(--background-color);
}

.page-register__faq-answer p {
    margin-top: 0;
    margin-bottom: 10px;
}

.page-register__faq-answer .page-register__text-link {
    color: var(--link-color);
}

.page-register__faq-answer .page-register__text-link:hover {
    color: var(--glow-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-register__hero-content {
        margin-top: -100px;
        padding-top: 80px;
    }
    .page-register__security-container {
        flex-direction: column;
    }
    .page-register__security-image-wrapper {
        order: -1; /* Image above text on smaller screens */
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .page-register__hero-section {
        padding-bottom: 40px;
    }
    .page-register__hero-image-wrapper {
        max-height: 300px;
    }
    .page-register__hero-content {
        margin-top: -80px;
        padding-top: 60px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-register__main-title {
        font-size: 2.2em;
    }
    .page-register__hero-description {
        font-size: 0.95em;
    }
    .page-register__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-register__section-title {
        font-size: 1.8em;
        padding-top: 30px;
    }
    .page-register__section-description {
        font-size: 0.9em;
        margin-bottom: 30px;
    }

    .page-register__form-section, .page-register__benefits-section, .page-register__security-section, .page-register__faq-section {
        padding: 40px 0;
    }
    .page-register__registration-form {
        padding: 30px;
        margin: 20px auto;
    }

    .page-register__benefits-grid {
        grid-template-columns: 1fr;
    }

    .page-register__benefit-title {
        font-size: 1.3em;
    }
    .page-register__benefit-text {
        font-size: 0.9em;
    }

    .page-register__security-item {
        font-size: 1em;
    }

    .page-register__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-register__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.95em;
    }

    /* Mobile specific image and video responsiveness */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-register__section,
    .page-register__card,
    .page-register__container,
    .page-register__hero-section,
    .page-register__form-section,
    .page-register__benefits-section,
    .page-register__security-section,
    .page-register__faq-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    /* Mobile button responsiveness */
    .page-register__cta-button,
    .page-register__submit-button,
    .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__cta-area {
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-register__registration-form {
        padding-left: 15px;
        padding-right: 15px;
    }

    .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__cta-buttons {
        display: flex;
        flex-direction: column;
    }
}