/* TechFusion Help Center (knowledge base). Self-contained: black + gold, Inter. */

.kb {
    --kb-gold: #FFC000;
    --kb-gold-600: #E5AC00;
    --kb-gold-700: #8A6400;
    --kb-gold-50: #FFF9E6;
    --kb-ink: #0E1012;
    --kb-text: #18181B;
    --kb-text-2: #3F3F46;
    --kb-muted: #71717A;
    --kb-line: #E4E4E7;
    --kb-bg: #F4F4F5;
    --kb-card: #FFFFFF;
    --kb-radius: 16px;
    font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif !important;
    color: var(--kb-text);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
.kb *:not(i):not(.fa):not(.fas):not(.far):not(.fab) { font-family: inherit !important; }
.kb a { color: inherit; text-decoration: none; }
.kb svg.kb-icon {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.kb-wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ------------------------------------------------------------ hero + search */
.kb-hero {
    position: relative;
    padding: 44px 0 52px;
    background: var(--kb-ink);
    background-image:
        radial-gradient(900px 300px at 15% -60px, rgba(255, 192, 0, .20), transparent 70%),
        radial-gradient(700px 260px at 95% 120%, rgba(255, 192, 0, .08), transparent 70%);
    color: #FFFFFF;
}
.kb-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border: 1px solid rgba(255, 192, 0, .35);
    border-radius: 999px;
    color: var(--kb-gold);
    font-size: 12.5px;
    font-weight: 650;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.kb-hero h1 {
    margin: 16px 0 8px;
    color: #FFFFFF !important;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.15;
}
.kb-hero p.kb-hero__sub { margin: 0; color: #A1A1AA; font-size: 16px; }
.kb-search { position: relative; max-width: 680px; margin-top: 26px; }
.kb-search form { display: flex; gap: 8px; }
.kb-search__input {
    flex: 1;
    min-width: 0;
    height: 56px;
    padding: 0 18px 0 50px;
    border: 0;
    border-radius: 14px;
    background: #FFFFFF;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .35);
    color: var(--kb-text);
    font-size: 16px;
    outline: none;
}
.kb-search__input:focus { box-shadow: 0 0 0 4px rgba(255, 192, 0, .45), 0 14px 40px rgba(0, 0, 0, .35); }
.kb-search__icon { position: absolute; left: 17px; top: 17px; color: var(--kb-muted); pointer-events: none; }
.kb-search__btn {
    height: 56px;
    padding: 0 22px;
    border: 0;
    border-radius: 14px;
    background: var(--kb-gold);
    color: var(--kb-ink);
    font-size: 15px;
    font-weight: 750;
    cursor: pointer;
}
.kb-search__btn:hover { background: var(--kb-gold-600); }
.kb-suggest {
    position: absolute;
    z-index: 50;
    top: 62px;
    left: 0;
    right: 0;
    display: none;
    padding: 6px;
    border-radius: 14px;
    background: #FFFFFF;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
    color: var(--kb-text);
}
.kb-suggest.is-open { display: block; }
.kb-suggest a { display: block; padding: 10px 12px; border-radius: 10px; }
.kb-suggest a:hover, .kb-suggest a.is-active { background: var(--kb-gold-50); }
.kb-suggest__title { display: block; font-weight: 650; }
.kb-suggest__meta { display: block; color: var(--kb-muted); font-size: 12.5px; }
.kb-suggest__empty { padding: 12px; color: var(--kb-muted); }
.kb-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.kb-chips span.kb-chips__label { color: #8B8B93; font-size: 13px; margin-right: 2px; }
.kb-chip {
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    color: #E4E4E7 !important;
    font-size: 13px;
    font-weight: 550;
}
.kb-chip:hover { border-color: var(--kb-gold); color: var(--kb-gold) !important; }

/* ------------------------------------------------------------ page body */
.kb-body { padding: 36px 0 56px; background: var(--kb-bg); }
.kb-section { margin-bottom: 40px; }
.kb-section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.kb-section__title {
    margin: 0 !important;
    color: var(--kb-text) !important;
    font-size: 21px !important;
    font-weight: 750 !important;
    letter-spacing: -.02em;
}
.kb-section__hint { color: var(--kb-muted); font-size: 14px; }

/* Categories */
.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.kb-cat {
    display: flex;
    flex-direction: column;
    padding: 20px;
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    background: var(--kb-card);
    box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.kb-cat:hover { border-color: var(--kb-gold); box-shadow: 0 10px 26px rgba(16, 24, 40, .08); transform: translateY(-2px); }
.kb-cat__top { display: flex; align-items: center; gap: 12px; }
.kb-cat__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--kb-gold-50);
    box-shadow: inset 0 0 0 1px rgba(255, 192, 0, .45);
    color: var(--kb-gold-700);
}
.kb-cat__title { margin: 0 !important; font-size: 17px !important; font-weight: 700 !important; color: var(--kb-text) !important; }
.kb-cat__count { color: var(--kb-muted); font-size: 12.5px; font-weight: 600; }
.kb-cat__desc { margin: 12px 0 10px; color: var(--kb-text-2); font-size: 14px; }
.kb-cat__links { margin: 0 0 12px; padding: 0; list-style: none; }
.kb-cat__links li { padding: 5px 0; border-top: 1px solid #F4F4F5; font-size: 14px; }
.kb-cat__links a:hover { color: var(--kb-gold-700); }
.kb-cat__more { margin-top: auto; color: var(--kb-gold-700); font-size: 14px; font-weight: 650; }

/* Top questions (accordion) */
.kb-faq { border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card); overflow: hidden; }
.kb-faq details { border-top: 1px solid var(--kb-line); }
.kb-faq details:first-child { border-top: 0; }
.kb-faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    list-style: none;
    font-size: 15.5px;
    font-weight: 650;
}
.kb-faq summary::-webkit-details-marker { display: none; }
.kb-faq summary::after {
    content: '+';
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #F4F4F5;
    color: var(--kb-text-2);
    font-size: 18px;
    line-height: 28px;
    text-align: center;
}
.kb-faq details[open] summary::after { content: '–'; background: var(--kb-gold); color: var(--kb-ink); }
.kb-faq details[open] summary { background: var(--kb-gold-50); }
.kb-faq__answer { padding: 0 20px 18px; color: var(--kb-text-2); }
.kb-faq__answer a { color: var(--kb-gold-700); font-weight: 650; }

/* Still need help */
.kb-help {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 24px;
    padding: 28px;
    border-radius: 20px;
    background: var(--kb-ink);
    background-image: radial-gradient(600px 220px at 100% 0, rgba(255, 192, 0, .16), transparent 70%);
    color: #FFFFFF;
}
.kb-help h2 { margin: 0 0 8px !important; color: #FFFFFF !important; font-size: 22px !important; font-weight: 750 !important; }
.kb-help p { margin: 0 0 16px; color: #A1A1AA; }
.kb-help ul { margin: 0; padding-left: 18px; color: #D4D4D8; font-size: 14px; }
.kb-help ul li { margin-bottom: 4px; }
.kb-help__actions { display: flex; flex-direction: column; gap: 10px; justify-content: center; }
.kb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
}
.kb-btn--whatsapp { background: #25D366; color: #052E16 !important; }
.kb-btn--whatsapp:hover { background: #1EBE5A; }
.kb-btn--ghost { border-color: rgba(255, 255, 255, .22); color: #FFFFFF !important; }
.kb-btn--ghost:hover { border-color: var(--kb-gold); color: var(--kb-gold) !important; }
.kb-btn--light { border-color: var(--kb-line); background: #FFFFFF; color: var(--kb-text) !important; }
.kb-btn--light:hover { border-color: var(--kb-gold); background: var(--kb-gold-50); }
.kb-help__hours { color: #8B8B93; font-size: 13px; text-align: center; }

/* Search results */
.kb-results { border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card); }
.kb-result { display: block; padding: 16px 20px; border-top: 1px solid var(--kb-line); }
.kb-result:first-child { border-top: 0; }
.kb-result:hover { background: var(--kb-gold-50); }
.kb-result__cat { color: var(--kb-gold-700); font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.kb-result__title { margin: 2px 0 4px; font-size: 16.5px; font-weight: 700; }
.kb-result__snippet { color: var(--kb-muted); font-size: 14px; }
.kb-empty { padding: 28px; border: 1px dashed var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card); text-align: center; color: var(--kb-text-2); }

/* ------------------------------------------------------------ category + article */
.kb-crumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; color: #A1A1AA; font-size: 13.5px; }
.kb-crumbs a { color: #D4D4D8; }
.kb-crumbs a:hover { color: var(--kb-gold); }
.kb-hero--compact { padding: 28px 0 32px; }
.kb-hero--compact h1 { margin-top: 10px; font-size: clamp(24px, 3.2vw, 34px); }
.kb-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; align-items: center; color: #A1A1AA; font-size: 13px; }
.kb-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(255, 192, 0, .14);
    color: var(--kb-gold);
    font-size: 12px;
    font-weight: 700;
}
.kb-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; align-items: start; }
.kb-side {
    position: sticky;
    top: 16px;
    padding: 14px;
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    background: var(--kb-card);
}
.kb-side__title { margin: 4px 8px 8px; color: var(--kb-muted); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.kb-side a { display: block; padding: 8px 10px; border-radius: 10px; color: var(--kb-text-2); font-size: 14px; line-height: 1.35; }
.kb-side a:hover { background: #F4F4F5; color: var(--kb-text); }
.kb-side a.is-current { background: var(--kb-gold-50); color: var(--kb-ink); font-weight: 650; box-shadow: inset 3px 0 0 var(--kb-gold); }
.kb-side__cats { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--kb-line); }
.kb-main { min-width: 0; }
.kb-card { padding: 30px 34px; border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card); box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }

/* Article typography */
.kb-article { font-size: 16px; line-height: 1.7; color: var(--kb-text-2); }
.kb-article > *:first-child { margin-top: 0; }
.kb-article h2 {
    margin: 30px 0 10px !important;
    color: var(--kb-text) !important;
    font-size: 20px !important;
    font-weight: 750 !important;
    letter-spacing: -.015em;
}
.kb-article h3 { margin: 22px 0 8px !important; color: var(--kb-text) !important; font-size: 17px !important; font-weight: 700 !important; }
.kb-article p { margin: 0 0 14px; }
.kb-article ul, .kb-article ol { margin: 0 0 16px; padding-left: 24px; }
.kb-article li { margin-bottom: 6px; }
.kb-article ol { counter-reset: kb-step; list-style: none; padding-left: 0; }
.kb-article ol > li {
    position: relative;
    padding-left: 40px;
    counter-increment: kb-step;
}
.kb-article ol > li::before {
    content: counter(kb-step);
    position: absolute;
    left: 0;
    top: 1px;
    width: 27px;
    height: 27px;
    border-radius: 50%;
    background: var(--kb-ink);
    color: var(--kb-gold);
    font-size: 13px;
    font-weight: 750;
    line-height: 27px;
    text-align: center;
}
.kb-article strong { color: var(--kb-text); }
.kb-article a { color: var(--kb-gold-700); font-weight: 650; text-decoration: underline; text-decoration-color: rgba(138, 100, 0, .35); text-underline-offset: 3px; }
.kb-article code {
    padding: 2px 6px;
    border-radius: 6px;
    background: #F4F4F5;
    color: var(--kb-ink);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
    font-size: .9em;
}
.kb-article table { width: 100%; margin: 4px 0 18px; border-collapse: collapse; font-size: 14.5px; }
.kb-article th, .kb-article td { padding: 10px 12px; border-bottom: 1px solid var(--kb-line); text-align: left; vertical-align: top; }
.kb-article th { background: #FAFAFA; color: var(--kb-muted); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.kb-article blockquote {
    margin: 0 0 16px;
    padding: 14px 16px 2px;
    border: 1px solid var(--kb-line);
    border-left: 4px solid var(--kb-muted);
    border-radius: 12px;
    background: #FAFAFA;
    color: var(--kb-text-2);
    font-size: 15px;
}
.kb-article blockquote.kb-callout--tip { border-left-color: #16A34A; background: #F0FDF4; }
.kb-article blockquote.kb-callout--note { border-left-color: #2563EB; background: #EFF6FF; }
.kb-article blockquote.kb-callout--important { border-left-color: #DC2626; background: #FEF2F2; }
.kb-article blockquote.kb-callout--admins { border-left-color: var(--kb-gold); background: var(--kb-gold-50); }
.kb-path {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 6px;
    background: var(--kb-ink);
    color: #FFFFFF;
    font-size: .88em;
    font-weight: 600;
    white-space: nowrap;
}

/* Feedback, related, pager */
.kb-feedback {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 26px;
    padding: 16px 18px;
    border: 1px solid var(--kb-line);
    border-radius: 14px;
    background: #FAFAFA;
}
.kb-feedback__q { font-weight: 650; color: var(--kb-text); }
.kb-feedback__btns { display: flex; gap: 8px; }
.kb-feedback__btns button {
    min-width: 84px;
    height: 40px;
    border: 1px solid var(--kb-line);
    border-radius: 10px;
    background: #FFFFFF;
    color: var(--kb-text);
    font-weight: 650;
    cursor: pointer;
}
.kb-feedback__btns button:hover { border-color: var(--kb-gold); background: var(--kb-gold-50); }
.kb-feedback__thanks { display: none; color: var(--kb-text-2); }
.kb-feedback.is-done .kb-feedback__btns, .kb-feedback.is-done .kb-feedback__q { display: none; }
.kb-feedback.is-done .kb-feedback__thanks { display: block; }
.kb-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.kb-pager a {
    display: block;
    padding: 14px 16px;
    border: 1px solid var(--kb-line);
    border-radius: 14px;
    background: #FFFFFF;
}
.kb-pager a:hover { border-color: var(--kb-gold); }
.kb-pager small { display: block; color: var(--kb-muted); font-size: 12px; font-weight: 600; }
.kb-pager strong { font-size: 15px; }
.kb-pager .is-next { text-align: right; grid-column: 2; }
.kb-list { border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: #FFFFFF; }
.kb-list a { display: flex; gap: 14px; align-items: flex-start; padding: 16px 20px; border-top: 1px solid var(--kb-line); }
.kb-list a:first-child { border-top: 0; }
.kb-list a:hover { background: var(--kb-gold-50); }
.kb-list__n {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #F4F4F5;
    color: var(--kb-text-2);
    font-size: 13px;
    font-weight: 700;
    line-height: 28px;
    text-align: center;
}
.kb-list__title { display: block; font-size: 16px; font-weight: 700; color: var(--kb-text); }
.kb-list__sum { display: block; color: var(--kb-muted); font-size: 14px; }

/* In the app layout the page already has a grey canvas and padding */
.kb--in-app .kb-hero { border-radius: 0; }

@media (max-width: 900px) {
    .kb-layout { grid-template-columns: 1fr; }
    .kb-side { position: static; order: 2; }
    .kb-help { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .kb-wrap { padding: 0 14px; }
    .kb-hero { padding: 30px 0 34px; }
    .kb-search form { flex-direction: column; }
    .kb-search__btn { height: 48px; }
    .kb-card { padding: 20px 18px; }
    .kb-article { font-size: 15.5px; }
    .kb-grid { grid-template-columns: 1fr; }
    .kb-pager { grid-template-columns: 1fr; }
    .kb-pager .is-next { grid-column: 1; }
    .kb-help { padding: 22px; }
}

/* Dark appearance inside the mobile app follows the site (light) on purpose. */
@media print {
    .kb-hero, .kb-side, .kb-feedback, .kb-pager, .kb-help, .kb-search { display: none !important; }
    .kb-card { border: 0; box-shadow: none; padding: 0; }
}