:root {
    --fk-bg: #f4f6f9;
    --fk-card: #ffffff;
    --fk-text: #000000;
    --fk-muted: #000000;
    --fk-border: #e2e8f0;
    --fk-primary: #1e40af;
    --fk-primary-light: #3b82f6;
    --fk-accent: #0ea5e9;
    --fk-radius: 12px;
    --fk-shadow: 0 1px 3px rgb(15 23 42 / 6%), 0 8px 24px rgb(15 23 42 / 4%);
    --fk-max: 1180px;
    --fk-desc: #64748b;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--fk-bg);
    color: var(--fk-text);
    line-height: 1.55;
    font-size: 15px;
}

a { color: var(--fk-primary); }

/* —— Header —— */
.fk-top-bar {
    background: #fff;
    border-bottom: 1px solid var(--fk-border);
    box-shadow: 0 1px 0 rgb(15 23 42 / 4%);
    position: sticky;
    top: 0;
    z-index: 100;
}

.fk-demo-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .4rem .65rem;
    padding: .4rem 1rem;
    font-size: .72rem;
    color: var(--fk-muted);
    background: #f8fafc;
    border-bottom: 1px solid var(--fk-border);
}

.fk-demo-strip a { color: var(--fk-primary); text-decoration: none; font-weight: 500; }
.fk-demo-sep { opacity: .35; }
.fk-demo-eco { white-space: nowrap; }

.fk-header-inner {
    max-width: var(--fk-max);
    margin: 0 auto;
    padding: .75rem 1rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}

.fk-logo {
    display: flex;
    align-items: center;
    gap: .55rem;
    text-decoration: none;
    color: var(--fk-text);
    font-weight: 700;
    font-size: 1.05rem;
}

.fk-logo-icon {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--fk-primary), var(--fk-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
}

.fk-nav {
    display: none;
    gap: .25rem;
    margin-left: auto;
}

.fk-nav a {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--fk-text);
    text-decoration: none;
    font-size: .84rem;
    font-weight: 500;
    padding: .4rem .6rem;
    border-radius: 8px;
}

.fk-nav a i { color: var(--fk-primary); font-size: .78rem; width: 1rem; text-align: center; }

.fk-nav a:hover, .fk-nav a.active {
    color: var(--fk-primary);
    background: #eff6ff;
}

.fk-header-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-left: auto;
}

.fk-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--fk-border);
    border-radius: 8px;
    background: #fff;
    color: var(--fk-text);
    cursor: pointer;
}

.fk-lang-dropdown { position: relative; flex-shrink: 0; }

.fk-lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .4rem .65rem;
    border: 1px solid var(--fk-border);
    border-radius: 8px;
    background: #fff;
    color: var(--fk-text);
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
}

.fk-lang-dropdown-btn:hover { border-color: #93c5fd; background: #f8fafc; }

.fk-lang-dropdown-btn i { font-size: .6rem; color: var(--fk-primary); transition: transform .2s; }

.fk-lang-dropdown.is-open .fk-lang-dropdown-btn {
    border-color: #93c5fd;
    background: #eff6ff;
    color: var(--fk-primary);
}

.fk-lang-dropdown.is-open .fk-lang-dropdown-btn i { transform: rotate(180deg); }

.fk-lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 11.5rem;
    max-height: 16rem;
    overflow-y: auto;
    list-style: none;
    margin: 0;
    padding: .35rem;
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: 10px;
    box-shadow: var(--fk-shadow);
    z-index: 200;
}

.fk-lang-dropdown-menu[hidden] { display: none !important; }

.fk-lang-dropdown-menu li { margin: 0; }

.fk-lang-dropdown-menu a {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: .45rem;
    align-items: center;
    padding: .5rem .55rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--fk-text);
    font-size: .82rem;
}

.fk-lang-dropdown-menu a:hover { background: #f8fafc; }

.fk-lang-dropdown-menu a.active {
    background: #eff6ff;
    color: var(--fk-primary);
    font-weight: 600;
}

.fk-lang-code { font-size: .68rem; opacity: .65; font-weight: 700; }

.fk-mobile-panel {
    border-top: 1px solid var(--fk-border);
    padding: .5rem 1rem 1rem;
    background: #fff;
}

.fk-mobile-panel[hidden] { display: none !important; }

.fk-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: .1rem;
}

.fk-mobile-nav a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem .55rem;
    color: var(--fk-text);
    text-decoration: none;
    font-weight: 500;
    font-size: .92rem;
    border-radius: 8px;
}

.fk-mobile-nav a i {
    width: 1.1rem;
    text-align: center;
    color: var(--fk-primary);
    font-size: .85rem;
}

.fk-mobile-nav a:hover { background: #eff6ff; color: var(--fk-primary); }

.fk-mobile-lang {
    margin-top: .75rem;
    padding-top: .75rem;
    border-top: 1px solid var(--fk-border);
}

.fk-lang-dropdown--mobile { width: 100%; }
.fk-lang-dropdown--mobile .fk-lang-dropdown-btn { width: 100%; justify-content: space-between; }
.fk-lang-dropdown--mobile .fk-lang-dropdown-menu { left: 0; right: 0; min-width: 0; }

body.fk-nav-open { overflow: hidden; }

@media (max-width: 899px) {
    .fk-header-actions > .fk-lang-dropdown:not(.fk-lang-dropdown--mobile) { display: none; }
}

@media (min-width: 900px) {
    .fk-mobile-lang { display: none; }
}

/* —— Main —— */
.fk-main {
    flex: 1;
    width: 100%;
    max-width: var(--fk-max);
    margin: 0 auto;
    padding: 1.25rem 1rem 2.5rem;
}

.fk-ai-referral-banner {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin: 0 0 1rem;
    padding: .65rem .85rem;
    border-radius: var(--fk-radius);
    border: 1px solid #93c5fd;
    background: linear-gradient(90deg, #eff6ff, #f0fdf4);
    font-size: .84rem;
    font-weight: 500;
    color: var(--fk-text);
}

.fk-ai-referral-banner i { color: var(--fk-primary); }

.fk-hero {
    margin-bottom: 1.25rem;
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.25rem 1.35rem;
    box-shadow: var(--fk-shadow);
}

.fk-hero h1 {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    margin: 0 0 .4rem;
    letter-spacing: -.02em;
    color: var(--fk-text);
}

.fk-hero p { color: var(--fk-muted); margin: 0; }

.fk-features {
    display: grid;
    gap: .75rem;
    margin-top: 1rem;
    grid-template-columns: 1fr;
}

.fk-feature {
    display: flex;
    gap: .65rem;
    align-items: flex-start;
    font-size: .82rem;
    color: var(--fk-muted);
}

.fk-feature i { color: var(--fk-primary); margin-top: .15rem; }

.fk-grid { display: grid; gap: 1rem; }

.fk-card {
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.15rem;
    box-shadow: var(--fk-shadow);
}

.fk-card h2 {
    font-size: .95rem;
    margin: 0 0 .85rem;
    color: var(--fk-primary);
    font-weight: 600;
}

.fk-field { margin-bottom: .7rem; }

.fk-field label {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    color: var(--fk-text);
    margin-bottom: .2rem;
}

.fk-field input,
.fk-field select,
.fk-field textarea {
    width: 100%;
    padding: .55rem .7rem;
    border: 1px solid var(--fk-border);
    border-radius: 8px;
    font: inherit;
    background: #fff;
    color: var(--fk-text);
}

.fk-field input:focus,
.fk-field select:focus,
.fk-field textarea:focus {
    outline: 2px solid #bfdbfe;
    border-color: var(--fk-primary-light);
}

.fk-field-row { display: grid; gap: .65rem; grid-template-columns: 1fr; }

.fk-lines-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.fk-lines-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: .84rem;
}

.fk-lines-table th {
    text-align: left;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--fk-muted);
    padding: .45rem .35rem;
    border-bottom: 1px solid var(--fk-border);
    background: #f8fafc;
}

.fk-lines-table td { padding: .35rem .25rem; vertical-align: top; }

.fk-lines-table input {
    width: 100%;
    padding: .4rem .5rem;
    border: 1px solid var(--fk-border);
    border-radius: 6px;
    font-size: .84rem;
}

.fk-lines-table .col-qty { width: 4.5rem; }
.fk-lines-table .col-unit { width: 4rem; }
.fk-lines-table .col-price { width: 6.5rem; }
.fk-lines-table .col-total { width: 5.5rem; text-align: right; font-weight: 600; }

.fk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .55rem 1rem;
    border-radius: 8px;
    border: none;
    font: inherit;
    font-weight: 600;
    font-size: .88rem;
    cursor: pointer;
    text-decoration: none;
}

.fk-btn-primary { background: var(--fk-primary); color: #fff; }
.fk-btn-primary:hover { background: #1e3a8a; }
.fk-btn-success { background: #059669; color: #fff; }
.fk-btn-success:hover { background: #047857; }
.fk-btn-ghost { background: #fff; color: var(--fk-text); border: 1px solid var(--fk-border); }
.fk-btn-sm { padding: .35rem .6rem; font-size: .78rem; }
.fk-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .85rem; }

.fk-alert {
    padding: .65rem .85rem;
    border-radius: 8px;
    font-size: .85rem;
    margin-bottom: .75rem;
}

.fk-alert-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.fk-alert-err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.fk-preview {
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.25rem;
    box-shadow: var(--fk-shadow);
}

.fk-preview-col { min-width: 0; }

.fk-preview-sticky { position: sticky; top: 5.5rem; }

.fk-preview-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.fk-preview-party { font-size: .82rem; line-height: 1.5; color: var(--fk-text); }
.fk-preview-party strong { display: block; font-size: .92rem; margin-bottom: .2rem; }
.fk-preview-meta { text-align: left; font-size: .82rem; }

.fk-preview-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: .84rem;
}

.fk-preview-table th,
.fk-preview-table td {
    border-bottom: 1px solid var(--fk-border);
    padding: .5rem .35rem;
    text-align: left;
}

.fk-preview-table th { background: #f1f5f9; color: var(--fk-text); }
.fk-preview-table th:last-child,
.fk-preview-table td:last-child { text-align: right; }

.fk-preview-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-top: .75rem;
}
.fk-preview-footer .fk-preview-notes { flex: 1 1 200px; margin: 0; }
.fk-preview-qr {
    flex: 0 0 auto;
    text-align: center;
    padding: .35rem;
    border: 1px solid var(--fk-border, #e2e8f0);
    border-radius: 8px;
    background: #fff;
}
.fk-preview-qr img { display: block; max-width: 100%; height: auto; }
.fk-preview-qr-url {
    font-size: .65rem;
    color: var(--fk-muted);
    word-break: break-all;
    max-width: 140px;
    margin-top: .35rem;
}

.fk-totals { margin-left: auto; width: min(100%, 17rem); font-size: .88rem; }
.fk-totals div { display: flex; justify-content: space-between; padding: .3rem 0; }
.fk-totals .fk-total-final {
    font-weight: 700;
    font-size: 1.05rem;
    border-top: 2px solid var(--fk-primary);
    margin-top: .35rem;
    padding-top: .5rem;
    color: var(--fk-primary);
}

.fk-tax-badge {
    display: inline-block;
    font-size: .72rem;
    background: #eff6ff;
    color: var(--fk-primary);
    padding: .2rem .55rem;
    border-radius: 999px;
    margin-top: .35rem;
    border: 1px solid #bfdbfe;
}

.fk-quick-add { margin-bottom: .85rem; }
.fk-quick-label { font-size: .75rem; font-weight: 600; color: var(--fk-muted); display: block; margin-bottom: .45rem; }
.fk-quick-buttons { display: flex; flex-wrap: wrap; gap: .35rem; }

.fk-footer {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--fk-muted);
    font-size: .8rem;
    border-top: 1px solid var(--fk-border);
    background: #fff;
}

.fk-footer-links a { color: var(--fk-primary); text-decoration: none; }

.fk-ecosystem {
    padding: 2.5rem 1rem 1rem;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
    border-top: 1px solid var(--fk-border);
}
.fk-ecosystem-inner { max-width: 1100px; margin: 0 auto; }
.fk-ecosystem-head { text-align: center; margin-bottom: 1.5rem; }
.fk-ecosystem-head h2 { font-size: 1.35rem; font-weight: 700; color: var(--fk-text); margin: 0 0 .35rem; }
.fk-ecosystem-head p { margin: 0; color: var(--fk-muted); font-size: .9rem; max-width: 36rem; margin-inline: auto; }
.fk-ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: .85rem;
}
.fk-ecosystem-card {
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: .35rem;
}
.fk-ecosystem-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: #eef2ff;
    color: var(--fk-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
}
.fk-ecosystem-card h3 { margin: 0; font-size: .95rem; font-weight: 700; color: var(--fk-text); }
.fk-ecosystem-card p { margin: 0; font-size: .78rem; color: var(--fk-muted); line-height: 1.45; flex: 1; }
.fk-ecosystem-links { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .35rem; }
.fk-ecosystem-join { text-align: center; margin: 1.25rem 0 0; font-size: .85rem; }
.fk-ecosystem-join a { color: var(--fk-primary); font-weight: 600; text-decoration: none; }

/* Help page */
.fk-help-steps { counter-reset: fkstep; list-style: none; padding: 0; margin: 0; }
.fk-help-steps li {
    counter-increment: fkstep;
    padding: 1rem 1rem 1rem 3rem;
    position: relative;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    margin-bottom: .75rem;
    background: #fff;
}
.fk-help-steps li::before {
    content: counter(fkstep);
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 8px;
    background: #eff6ff;
    color: var(--fk-primary);
    font-weight: 700;
    font-size: .8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fk-device-grid {
    display: grid;
    gap: .75rem;
    grid-template-columns: 1fr;
    margin-top: 1rem;
}

.fk-device-card {
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1rem;
    text-align: center;
}

.fk-device-card i { font-size: 1.75rem; color: var(--fk-primary); margin-bottom: .5rem; }

/* Tablet */
@media (min-width: 640px) {
    .fk-field-row { grid-template-columns: 1fr 1fr; }
    .fk-field-row--3 { grid-template-columns: 1fr 1fr 1fr; }
    .fk-features { grid-template-columns: 1fr 1fr; }
    .fk-device-grid { grid-template-columns: repeat(3, 1fr); }
    .fk-preview-meta { text-align: right; }
}

/* —— Homepage —— */
.fk-home-hero {
    background: linear-gradient(135deg, #fff 0%, #eff6ff 55%, #f8fafc 100%);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 2rem 1.35rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--fk-shadow);
}

.fk-home-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--fk-primary);
    background: #fff;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: .25rem .65rem;
    margin: 0 0 .85rem;
}

.fk-home-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    margin: 0 0 .65rem;
    letter-spacing: -.03em;
    line-height: 1.15;
}

.fk-home-lead {
    color: var(--fk-muted);
    font-size: 1.02rem;
    max-width: 42rem;
    margin: 0 0 1.25rem;
    line-height: 1.6;
}

.fk-home-cta { display: flex; flex-wrap: wrap; gap: .6rem; }

.fk-home-steps { display: grid; gap: .75rem; grid-template-columns: 1fr; }
.fk-home-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.1rem 1.15rem;
    box-shadow: var(--fk-shadow);
}
.fk-home-step-n {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--fk-primary), var(--fk-accent));
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fk-home-step strong { display: block; margin-bottom: .25rem; font-size: .95rem; }
.fk-home-step p { margin: 0; font-size: .85rem; color: var(--fk-muted); line-height: 1.5; }

@media (min-width: 640px) {
    .fk-home-steps { grid-template-columns: 1fr 1fr; }
}
.fk-btn-lg { padding: .7rem 1.25rem; font-size: .95rem; }

.fk-home-section { margin-bottom: 1.75rem; }
.fk-home-section h2 {
    font-size: 1.15rem;
    margin: 0 0 .65rem;
    color: var(--fk-primary);
}

.fk-home-text { color: var(--fk-muted); margin: 0 0 1rem; max-width: 50rem; line-height: 1.6; }

.fk-home-benefits {
    display: grid;
    gap: .75rem;
    grid-template-columns: 1fr;
}

.fk-home-benefit {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1rem;
    box-shadow: var(--fk-shadow);
}

.fk-home-benefit i {
    color: var(--fk-primary);
    font-size: 1.1rem;
    margin-top: .15rem;
    width: 1.25rem;
    text-align: center;
}

.fk-home-benefit strong { display: block; margin-bottom: .2rem; font-size: .92rem; }
.fk-home-benefit p { margin: 0; font-size: .84rem; color: var(--fk-muted); line-height: 1.5; }

.fk-demo-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

.fk-demo-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    overflow: hidden;
    box-shadow: var(--fk-shadow);
    transition: border-color .15s, transform .15s, box-shadow .15s;
}

.fk-demo-card:hover {
    border-color: #93c5fd;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgb(30 64 175 / 8%);
}

.fk-demo-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    background: var(--fk-pd-th-bg, #1e40af);
    color: #fff;
    min-height: 3rem;
}

.fk-demo-card-top.fk-design-minimal-mono { background: #18181b; }
.fk-demo-card-top.fk-design-nordic-light { background: #f1f5f9; color: #334155; }
.fk-demo-card-top.fk-design-corporate-navy { background: #0f172a; }
.fk-demo-card-top.fk-design-teal-fresh { background: #0d9488; }
.fk-demo-card-top.fk-design-forest-green { background: #166534; }
.fk-demo-card-top.fk-design-wine-elegant { background: #881337; }
.fk-demo-card-top.fk-design-sunset-orange { background: #c2410c; }
.fk-demo-card-top.fk-design-violet-creative { background: #6d28d9; }
.fk-demo-card-top.fk-design-slate-pro { background: #334155; }
.fk-demo-card-top.fk-design-stripe-classic { background: #1d4ed8; }
.fk-demo-card-top.fk-design-formal-border { background: #1e3a5f; }

.fk-demo-card-no { font-size: .78rem; font-weight: 600; opacity: .9; }
.fk-demo-card-body { padding: 1rem; }
.fk-demo-card-body strong { display: block; font-size: .92rem; margin-bottom: .35rem; line-height: 1.35; }
.fk-demo-card-meta { display: block; font-size: .8rem; color: var(--fk-muted); margin-bottom: .5rem; }
.fk-demo-card-link { font-size: .82rem; font-weight: 600; color: var(--fk-primary); }

.fk-home-empty { color: var(--fk-muted); margin: 0 0 .75rem; }
.fk-home-cta-card p { color: var(--fk-muted); margin: 0 0 1rem; }
.fk-home-sub-note { font-size: .8rem; color: var(--fk-muted); margin: 1rem 0 0; padding-top: .75rem; border-top: 1px solid var(--fk-border); }

.fk-field-label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--fk-text);
    margin-bottom: .35rem;
}

.fk-select, .fk-demo-select {
    width: 100%;
    max-width: 36rem;
    padding: .6rem .75rem;
    border-radius: 8px;
    border: 1px solid var(--fk-border);
    background: #fff;
    color: var(--fk-text);
    font: inherit;
    font-size: .9rem;
    font-weight: 500;
}

.fk-demo-picker { display: flex; flex-direction: column; gap: 1rem; }

.fk-demo-preview-wrap {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
    align-items: start;
}

@media (min-width: 768px) {
    .fk-demo-preview-wrap { grid-template-columns: minmax(200px, 280px) 1fr; }
}

.fk-demo-preview-shot {
    background: #fff;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    overflow: hidden;
    box-shadow: var(--fk-shadow);
}

.fk-demo-preview-shot img {
    display: block;
    width: 100%;
    height: auto;
}

.fk-demo-preview-panel {
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1rem 1.15rem;
    box-shadow: var(--fk-shadow);
}

.fk-demo-preview-meta {
    margin: 0 0 .75rem;
    font-size: .92rem;
    font-weight: 600;
    color: var(--fk-text);
}

.fk-demo-preview-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .65rem;
}

.fk-demo-preview-hint {
    margin: 0;
    font-size: .82rem;
    color: var(--fk-text);
    opacity: .85;
    line-height: 1.5;
}

.fk-demo-thumb-row {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.fk-demo-thumb {
    padding: 0;
    border: 2px solid var(--fk-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
    width: 5rem;
    transition: border-color .15s, transform .15s;
}

.fk-demo-thumb:hover,
.fk-demo-thumb.active {
    border-color: var(--fk-primary-light);
    transform: translateY(-1px);
}

.fk-demo-thumb img { display: block; width: 100%; height: auto; }

.fk-help-layout {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
    align-items: start;
}

@media (min-width: 960px) {
    .fk-help-layout { grid-template-columns: 220px 1fr; }
}

.fk-help-menu {
    position: sticky;
    top: 5.5rem;
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1rem;
    box-shadow: var(--fk-shadow);
}

.fk-help-menu > summary {
    list-style: none;
    cursor: pointer;
    user-select: none;
}

.fk-help-menu > summary::-webkit-details-marker { display: none; }

.fk-help-menu > summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: .65rem;
    margin-left: auto;
    color: var(--fk-primary);
    transition: transform .2s ease;
}

.fk-help-menu[open] > summary::after { transform: rotate(180deg); }

.fk-help-menu-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0 0 .65rem;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--fk-text);
}

.fk-help-menu[open] .fk-help-menu-title { margin-bottom: .65rem; }

@media (min-width: 960px) {
    .fk-help-menu > summary { pointer-events: none; cursor: default; }
    .fk-help-menu > summary::after { display: none; }
}

.fk-help-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.fk-help-menu a {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .55rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--fk-text);
    font-size: .84rem;
    font-weight: 500;
}

.fk-help-menu a .fk-menu-label { display: block; line-height: 1.35; }

.fk-menu-desc { color: var(--fk-desc); }

.fk-text-muted { color: var(--fk-desc); }

.fk-home-benefit p,
.fk-home-step p,
.fk-home-text.fk-text-muted { color: var(--fk-desc); }

.fk-help-steps li .fk-menu-desc {
    display: block;
    margin-top: .25rem;
    font-size: .84rem;
    line-height: 1.5;
}

.fk-country-grid {
    display: grid;
    gap: .65rem;
    grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
}

.fk-country-card {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    padding: .85rem .9rem;
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    background: var(--fk-card);
    text-decoration: none;
    color: var(--fk-text);
    box-shadow: var(--fk-shadow);
    transition: border-color .15s, transform .15s;
}

.fk-country-card:hover {
    border-color: #93c5fd;
    transform: translateY(-2px);
}

.fk-country-flag { font-size: 1.35rem; line-height: 1; }

.fk-country-card strong { font-size: .88rem; }

.fk-country-demo-grid {
    display: grid;
    gap: .75rem;
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
}

.fk-country-demo-card {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: .65rem;
    border: 1px solid var(--fk-border);
    border-radius: 10px;
    background: #f8fafc;
    text-decoration: none;
    color: var(--fk-text);
    transition: border-color .15s;
}

.fk-country-demo-card:hover { border-color: #93c5fd; }

.fk-country-demo-card img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    border: 1px solid var(--fk-border);
    margin-bottom: .25rem;
}

.fk-country-demo-card strong { font-size: .82rem; }
.fk-country-demo-card em {
    font-style: normal;
    font-size: .72rem;
    color: var(--fk-primary);
    font-weight: 600;
}

.fk-country-demo-flag { font-size: 1.1rem; }

.fk-help-menu a:hover { background: #eff6ff; color: var(--fk-primary); }
.fk-help-menu a i { width: 1rem; text-align: center; color: var(--fk-primary); font-size: .78rem; }

.fk-help-langline { font-size: .8rem; margin-top: .75rem; color: var(--fk-text); }
.fk-help-langline a { color: var(--fk-primary); text-decoration: none; }
.fk-help-langline a.active { font-weight: 700; color: var(--fk-text); }

.fk-help-lead { color: var(--fk-text); opacity: .9; font-size: .9rem; line-height: 1.55; }
.fk-help-muted { color: var(--fk-desc); font-size: .9rem; line-height: 1.55; }
.fk-help-section { scroll-margin-top: 5rem; }
.fk-section-heading { font-size: 1.15rem; color: var(--fk-primary); margin: 0 0 .75rem; }

.fk-video-steps {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .fk-video-steps { grid-template-columns: 1fr 1fr; }
}

.fk-video-step {
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: .85rem;
    background: #f8fafc;
}

.fk-video-step-head {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .5rem;
}

.fk-video-step-n {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 999px;
    background: var(--fk-primary);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fk-video-step p { margin: .5rem 0 0; font-size: .84rem; color: var(--fk-text); line-height: 1.5; }

.fk-video-shot {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--fk-border);
    margin-bottom: .35rem;
}

.fk-video-shot img { display: block; width: 100%; height: auto; }

body.fk-embed .fk-top-bar,
body.fk-embed .fk-ecosystem,
body.fk-embed .fk-footer { display: none; }
body.fk-embed .fk-main { padding: .5rem; }

.fk-preview-notes { color: var(--fk-text); }
.fk-preview-meta { color: var(--fk-text); }
.fk-preview-payment { color: var(--fk-text); }

.fk-pay-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    margin-top: .35rem;
    padding: .35rem .75rem;
    background: #059669;
    color: #fff !important;
    font-size: .75rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}
.fk-pay-btn:hover { background: #047857; color: #fff; }
.fk-pay-btn--sm { padding: .2rem .5rem; font-size: .68rem; margin-top: .25rem; }
.fk-pay-btn--invoice { margin-top: .75rem; padding: .5rem 1.1rem; font-size: .85rem; }
.fk-lines-table .col-pay { min-width: 9rem; }
.fk-lines-table .fk-line-pay-url { font-size: .78rem; }
.fk-preview-table .fk-line-pay-cell { text-align: right; vertical-align: middle; }

@media (min-width: 640px) {
    .fk-home-benefits { grid-template-columns: 1fr 1fr; }
    .fk-demo-grid { grid-template-columns: 1fr 1fr; }
}

/* Desktop */
@media (min-width: 900px) {
    .fk-nav { display: flex; flex-wrap: wrap; }
    .fk-menu-btn { display: none; }
    .fk-header-actions { margin-left: auto; }
    .fk-grid--2 { grid-template-columns: 1fr 1fr; }
    .fk-grid--main { grid-template-columns: 1.05fr .95fr; align-items: start; }
    .fk-main { padding: 1.5rem 1.25rem 3rem; }
    .fk-demo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
    .fk-demo-grid { grid-template-columns: repeat(4, 1fr); }
}

/* —— Contact —— */
.fk-hero--compact {
    padding: 1.25rem 1rem 1rem;
    max-width: var(--fk-max);
    margin: 0 auto;
    width: 100%;
}

.fk-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .35rem .5rem;
    font-size: .78rem;
    color: var(--fk-desc);
    margin-bottom: .65rem;
}

.fk-breadcrumb a {
    color: var(--fk-primary);
    text-decoration: none;
}

.fk-breadcrumb a:hover { text-decoration: underline; }

.fk-contact-wrap {
    max-width: 72rem;
    margin: 0 auto 2.5rem;
    padding: 0 1rem 1rem;
    width: 100%;
}

.fk-contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 1.5rem;
    align-items: start;
}

.fk-contact-channels {
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.35rem 1.25rem 1.5rem;
    box-shadow: var(--fk-shadow);
}

.fk-contact-channels-kicker {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--fk-primary);
    margin-bottom: .5rem;
}

.fk-contact-channels-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 .45rem;
    line-height: 1.25;
}

.fk-contact-channels-sub {
    margin: 0 0 1.1rem;
    color: var(--fk-desc);
    font-size: .92rem;
    line-height: 1.5;
}

.fk-contact-channel-list {
    display: flex;
    flex-direction: column;
    gap: .55rem;
}

.fk-contact-channel {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .15rem .65rem;
    align-items: center;
    padding: .7rem .8rem;
    border: 1px solid var(--fk-border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--fk-text);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}

.fk-contact-channel i {
    grid-row: 1 / span 2;
    color: var(--fk-primary);
    font-size: 1.05rem;
}

.fk-contact-channel span {
    font-weight: 600;
    font-size: .9rem;
}

.fk-contact-channel small {
    grid-column: 2;
    font-size: .72rem;
    color: var(--fk-desc);
    word-break: break-all;
}

.fk-contact-channel:hover {
    border-color: #93c5fd;
    box-shadow: 0 4px 14px rgba(37, 99, 235, .08);
}

.fk-contact-channel--primary {
    border-color: rgba(37, 99, 235, .35);
    background: linear-gradient(135deg, rgba(37, 99, 235, .06), rgba(37, 99, 235, .02));
}

.fk-contact-channel--primary i { color: #1d4ed8; }

.fk-contact-form-col .fk-contact-page {
    margin: 0;
}

.fk-contact-page { scroll-margin-top: 5.5rem; }

.fk-contact-inner { max-width: 100%; }

.fk-contact-alert {
    padding: .85rem 1rem;
    border-radius: var(--fk-radius);
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: .9rem;
}

.fk-contact-alert--success {
    background: rgba(16, 185, 129, .1);
    border: 1px solid rgba(16, 185, 129, .35);
    color: #047857;
}

.fk-contact-alert--error {
    background: rgba(239, 68, 68, .08);
    border: 1px solid rgba(239, 68, 68, .28);
    color: #b91c1c;
}

.fk-contact-form {
    background: var(--fk-card);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius);
    padding: 1.35rem 1.25rem 1.5rem;
    box-shadow: var(--fk-shadow);
}

.fk-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.fk-contact-field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.fk-contact-field--full { grid-column: 1 / -1; }

.fk-contact-field span {
    font-size: .8rem;
    font-weight: 600;
    color: var(--fk-text);
}

.fk-contact-field input,
.fk-contact-field textarea {
    width: 100%;
    padding: .65rem .75rem;
    border: 1px solid var(--fk-border);
    border-radius: 8px;
    font: inherit;
    background: #fff;
    color: var(--fk-text);
}

.fk-contact-field textarea {
    resize: vertical;
    min-height: 9rem;
}

.fk-contact-field input:focus,
.fk-contact-field textarea:focus {
    outline: 2px solid var(--fk-primary-light);
    outline-offset: 1px;
    border-color: #93c5fd;
}

.fk-hp {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    pointer-events: none;
}

.fk-contact-captcha {
    margin: 1rem 0 .5rem;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.fk-contact-note {
    font-size: .75rem;
    color: var(--fk-desc);
    text-align: center;
    margin: 0 0 .85rem;
    line-height: 1.45;
}

.fk-contact-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    padding: .8rem 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: .95rem;
    cursor: pointer;
    background: var(--fk-primary);
    color: #fff;
    min-height: 2.75rem;
}

.fk-contact-submit:hover { background: #1e3a8a; }

@media (max-width: 900px) {
    .fk-contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .fk-contact-grid { grid-template-columns: 1fr; }
    .fk-contact-captcha .g-recaptcha {
        transform: scale(.92);
        transform-origin: center top;
    }
}