/* Help Center Page - Premium Dark */

.help-section {
    --help-bg: #050505;
    --help-bg-soft: #120b07;
    --help-panel: rgba(16, 16, 16, 0.86);
    --help-panel-strong: rgba(20, 18, 16, 0.94);
    --help-border: rgba(255, 255, 255, 0.1);
    --help-border-strong: rgba(255, 255, 255, 0.17);
    --help-ink: #f5f5f6;
    --help-muted: #b6b8bd;
    --help-accent: #ff6f3c;
    --help-accent-soft: rgba(255, 111, 60, 0.22);
    --help-focus: rgba(255, 145, 92, 0.35);

    min-height: calc(100vh - 90px);
    margin-top: 100px;
    padding: clamp(1.6rem, 2.8vw, 3.2rem) var(--spacing-md) clamp(2rem, 3vw, 3.6rem);
    background:
        radial-gradient(900px 460px at 10% 4%, rgba(255, 111, 60, 0.12), transparent 72%),
        radial-gradient(820px 420px at 86% 6%, rgba(255, 152, 101, 0.09), transparent 74%),
        linear-gradient(138deg, #050505 8%, #0b0705 56%, #1d1009 100%);
    color: var(--help-ink);
    font-family: var(--font-family);
    position: relative;
    border-radius: 28px 28px 0 0;
    overflow: hidden;
    z-index: 1;
}

.help-section::before,
.help-section::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.help-section::before {
    width: 440px;
    height: 440px;
    right: -160px;
    top: -120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 129, 77, 0.24), transparent 72%);
}

.help-section::after {
    width: 520px;
    height: 320px;
    left: -180px;
    bottom: -180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 129, 77, 0.17), transparent 76%);
}

.help-container {
    max-width: 1240px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.help-masthead {
    display: grid;
    grid-template-columns: 1fr minmax(320px, 420px);
    gap: clamp(1rem, 2vw, 2rem);
    margin-bottom: clamp(1.1rem, 2.4vw, 2rem);
}

.masthead-copy {
    background: var(--help-panel);
    border: 1px solid var(--help-border);
    border-radius: 28px;
    padding: clamp(1.1rem, 2.1vw, 2.1rem);
}

.page-header {
    max-width: 860px;
}

.header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 16px;
    background: rgba(255, 111, 60, 0.16);
    border: 1px solid rgba(255, 145, 90, 0.4);
    color: var(--help-accent);
    margin-bottom: var(--spacing-md);
}

.page-title {
    margin: 0;
    font-size: clamp(2rem, 4.2vw, 3.05rem);
    line-height: 1.04;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.04em;
    color: var(--help-ink);
}

.page-subtitle {
    margin: var(--spacing-sm) 0 0;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    line-height: var(--line-height-relaxed);
    color: var(--help-muted);
    max-width: 60ch;
}

.help-search {
    margin-top: var(--spacing-lg);
}

.search-box {
    position: relative;
}

.search-box svg {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #a8abb0;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.92rem 1rem 0.92rem 2.8rem;
    border-radius: 14px;
    background: rgba(8, 8, 8, 0.86);
    border: 1px solid var(--help-border-strong);
    color: var(--help-ink);
    font-size: 0.98rem;
    line-height: 1.3;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.search-input::placeholder {
    color: #8f939a;
}

.search-input:focus-visible {
    outline: 3px solid var(--help-focus);
    outline-offset: 2px;
    border-color: rgba(255, 152, 99, 0.65);
    background: rgba(8, 8, 8, 0.96);
}

.masthead-visual {
    display: block;
}

.visual-shell {
    position: relative;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.7);
    min-height: 280px;
}

.visual-image {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
    filter: saturate(1.06) contrast(1.04);
    display: block;
}

.visual-grad {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 5, 5, 0.05), rgba(5, 5, 5, 0.72));
}

.visual-chip {
    position: absolute;
    z-index: 2;
    padding: 0.42rem 0.78rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #fff;
    letter-spacing: 0.01em;
}

.visual-chip-top {
    top: 0.95rem;
    right: 0.95rem;
    background: rgba(255, 111, 60, 0.42);
}

.help-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: clamp(1rem, 2vw, 2rem);
}

.help-sidebar {
    position: sticky;
    top: 106px;
}

.categories-grid {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 0.9rem;
    background: var(--help-panel-strong);
    border: 1px solid var(--help-border);
    border-radius: 24px;
}

.category-card {
    appearance: none;
    width: 100%;
    border: 1px solid transparent;
    background: transparent;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.72rem 0.74rem;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.category-card:hover {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.03);
}

.category-card:focus-visible {
    outline: 3px solid var(--help-focus);
    outline-offset: 2px;
}

.category-card.active {
    border-color: rgba(255, 148, 95, 0.5);
    background: rgba(255, 111, 60, 0.09);
}

.category-icon {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.11);
    color: #adafb4;
    flex-shrink: 0;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.category-icon svg {
    width: 16px;
    height: 16px;
}

.category-card.active .category-icon {
    color: #ffd8c6;
    border-color: rgba(255, 148, 95, 0.48);
    background: rgba(255, 111, 60, 0.2);
}

.category-meta {
    min-width: 0;
}

.category-title {
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    color: var(--help-ink);
    line-height: 1.25;
}

.category-desc {
    margin-top: 0.18rem;
    color: #9ea2a9;
    font-size: 0.82rem;
    line-height: 1.4;
}

.contact-section {
    margin-top: 0.85rem;
}

.contact-card {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    background: var(--help-panel-strong);
    border: 1px solid var(--help-border);
    border-radius: 20px;
    padding: 0.9rem;
}

.contact-card svg {
    color: var(--help-accent);
    flex-shrink: 0;
    margin-top: 0.18rem;
}

.contact-card h4 {
    margin: 0;
    font-size: 0.98rem;
    color: var(--help-ink);
    font-weight: var(--font-weight-semibold);
}

.contact-card p {
    margin: 0.36rem 0 0.68rem;
    color: #a8abb1;
    font-size: 0.84rem;
    line-height: 1.45;
}

.contact-email {
    display: inline-flex;
    color: #ffe7dc;
    font-size: 0.87rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.faq-content {
    background: var(--help-panel-strong);
    border: 1px solid var(--help-border);
    border-radius: 28px;
    padding: clamp(1rem, 2vw, 1.5rem);
}

.faq-title {
    margin: 0;
    font-size: clamp(1.38rem, 2.7vw, 2rem);
    letter-spacing: -0.02em;
    font-weight: var(--font-weight-bold);
    color: var(--help-ink);
}

.faq-list {
    margin-top: 0.95rem;
    display: grid;
    gap: 0.62rem;
}

.faq-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.faq-item[open] {
    border-color: rgba(255, 147, 92, 0.44);
    background: rgba(255, 111, 60, 0.08);
}

.faq-question {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.95rem;
}

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

.faq-question span {
    color: #f0f1f3;
    font-size: 0.97rem;
    line-height: 1.45;
    font-weight: var(--font-weight-medium);
}

.faq-question:focus-visible {
    outline: 3px solid var(--help-focus);
    outline-offset: 2px;
    border-radius: 12px;
}

.faq-question svg {
    width: 18px;
    height: 18px;
    color: #a5a8ae;
    flex-shrink: 0;
    transition: transform 0.22s ease, color 0.22s ease;
}

.faq-item[open] .faq-question svg {
    transform: rotate(180deg);
    color: #ffd4c0;
}

.faq-answer {
    padding: 0 0.95rem 0.95rem;
}

.faq-answer p {
    margin: 0;
    font-size: 0.92rem;
    line-height: var(--line-height-relaxed);
    color: #bcc0c7;
}

.faq-item[hidden] {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .category-card,
    .category-icon,
    .search-input,
    .faq-item,
    .faq-question svg {
        transition: none;
    }
}

@media (max-width: 1100px) {
    .help-section {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }

    .help-masthead {
        grid-template-columns: 1fr;
    }

    .masthead-visual {
        max-width: 620px;
    }

    .help-layout {
        grid-template-columns: 1fr;
    }

    .help-sidebar {
        position: static;
    }
}

@media (max-width: 760px) {
    .help-section {
        margin-top: 80px;
        border-radius: 20px 20px 0 0;
        padding: 1rem var(--spacing-sm) 1.6rem;
    }

    .masthead-copy {
        border-radius: 20px;
        padding: 0.95rem;
    }

    .header-icon {
        width: 2.9rem;
        height: 2.9rem;
        border-radius: 14px;
        margin-bottom: var(--spacing-sm);
    }

    .page-subtitle {
        margin-top: 0.55rem;
    }

    .visual-shell,
    .faq-content {
        border-radius: 20px;
    }

    .visual-image {
        min-height: 220px;
    }

    .visual-chip {
        font-size: 0.7rem;
    }

    .categories-grid,
    .contact-card {
        border-radius: 16px;
    }

    .faq-question {
        padding: 0.82rem;
    }

    .faq-answer {
        padding: 0 0.82rem 0.86rem;
    }
}

@media (max-width: 420px) {
    .page-title {
        font-size: clamp(1.68rem, 9vw, 2.15rem);
    }

    .search-input {
        font-size: 0.94rem;
    }
}