:root {
    color-scheme: light;
    --bg: #f5f4ef;
    --surface: #ffffff;
    --surface-strong: #191a17;
    --text: #171814;
    --muted: #66695f;
    --line: #dcded4;
    --accent: #b7ef4a;
    --accent-text: #172000;
    --radius: 20px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #11120f;
    --surface: #1a1c18;
    --surface-strong: #f3f5ed;
    --text: #f2f3ed;
    --muted: #a9ada1;
    --line: #33362f;
    --accent: #b7ef4a;
    --accent-text: #172000;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] {
        color-scheme: dark;
        --bg: #11120f;
        --surface: #1a1c18;
        --surface-strong: #f3f5ed;
        --text: #f2f3ed;
        --muted: #a9ada1;
        --line: #33362f;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.site-head {
    position: relative;
    z-index: 300;
}
.site-bar,
.site-chrome,
.site-header {
    position: sticky;
    top: 0;
    z-index: 300;
    max-width: 1240px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
}
.site-head > .nav {
    max-width: 1240px;
    margin: 0 auto;
}
@media (min-width: 769px) {
    .site-head {
        position: sticky;
        top: 0;
        z-index: 300;
        max-width: 1240px;
        margin: 0 auto;
        padding: 16px 24px;
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 16px;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
    }

    .site-bar,
    .site-chrome,
    .site-header {
        position: static;
        max-width: none;
        margin: 0;
        padding: 0;
        border-bottom: 0;
        display: contents;
    }

    .site-head > .nav {
        max-width: none;
        margin: 0;
        justify-content: center;
    }
}
.site-header-start { display: flex; align-items: center; gap: 8px; min-width: 0; flex-shrink: 0; }
.site-header-start .brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
    transition: border-color .18s ease, background .18s ease;
}
.site-menu-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.site-menu-icon {
    position: relative;
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: currentColor;
    border-radius: 999px;
    transition: background .18s ease, transform .18s ease;
}
.site-menu-icon::before,
.site-menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform .22s ease, top .22s ease;
}
.site-menu-icon::before { top: -6px; }
.site-menu-icon::after { top: 6px; }
.site-menu-toggle.is-open .site-menu-icon { background: transparent; }
.site-menu-toggle.is-open .site-menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}
.site-menu-toggle.is-open .site-menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}
.site-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 280;
    background: rgba(0, 0, 0, 0.48);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .24s ease, visibility .24s ease;
}
.site-nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.site-nav-backdrop[hidden] { display: block; }
.site-nav-main { display: contents; }
.site-nav-mobile-only { display: none; }
.header-actions-desktop-only { display: contents; }
.brand { display: inline-flex; align-items: center; font-weight: 760; font-size: 17px; letter-spacing: -.03em; }
.nav, .header-actions, .hero-actions { display: flex; align-items: center; gap: 18px; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 600; }
.nav a:hover { color: var(--text); }
.header-actions { flex-shrink: 0; gap: 10px; }
.theme-toggle { border: 1px solid var(--line); background: var(--surface); color: var(--text); border-radius: 10px; min-height: 38px; width: 40px; padding: 0; cursor: pointer; }

/* Language menu: a details/summary dropdown so it works without scripting. */
.lang-menu { position: relative; }
.lang-menu > summary {
    display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 12px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
    font-size: 13px; font-weight: 650; cursor: pointer; list-style: none; user-select: none;
}
.lang-menu > summary::-webkit-details-marker { display: none; }
.lang-menu > summary:hover { border-color: var(--text); }
.lang-menu > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lang-code { font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.lang-name { color: var(--muted); font-weight: 550; }
.lang-caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); }
.lang-menu[open] > summary .lang-caret { transform: rotate(180deg); }
.lang-list {
    position: absolute; z-index: 20; inset-inline-end: 0; top: calc(100% + 8px); min-width: 190px;
    margin: 0; padding: 6px; list-style: none; border: 1px solid var(--line); border-radius: 14px;
    background: var(--surface); box-shadow: 0 18px 40px rgba(0, 0, 0, .16);
}
.lang-option { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 10px; font-size: 14px; }
.lang-option:hover { background: var(--bg); }
.lang-option .lang-code { min-width: 26px; font-size: 11px; color: var(--muted); }
.lang-option.is-active { background: var(--bg); font-weight: 650; }

.section-title { margin: 14px 0 10px; font-size: clamp(28px, 3.6vw, 42px); line-height: 1.06; letter-spacing: -.045em; }
.section-lead { margin: 0; max-width: 620px; color: var(--muted); font-size: 17px; line-height: 1.6; }
.sector-section { max-width: 1240px; margin: 110px auto 0; padding: 24px; }
.sector-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.sector-card {
    padding: 22px 20px 26px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: 0 12px 32px rgba(18, 17, 12, .04);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.sector-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--text) 18%, var(--line));
    box-shadow: 0 18px 40px rgba(18, 17, 12, .08);
}
.sector-index { font-size: 12px; font-weight: 750; letter-spacing: .1em; color: var(--muted); }
.sector-card h3 { margin: 16px 0 10px; font-size: 18px; line-height: 1.2; letter-spacing: -.02em; }
.sector-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.demo-section { max-width: 1240px; margin: 110px auto 0; padding: 24px; }
.demo-groups { display: grid; gap: 8px; }
.demo-sector-block { margin-top: 48px; }
.demo-sector-block:first-of-type { margin-top: 40px; }
.demo-sector-heading {
    margin: 0 0 18px;
    padding-inline-start: 14px;
    border-inline-start: 3px solid var(--accent);
    font-size: 22px;
    letter-spacing: -.03em;
}
.demo-grid { margin-top: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.demo-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface);
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(18, 17, 12, .05);
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.demo-card:hover {
    border-color: color-mix(in srgb, var(--text) 22%, var(--line));
    transform: translateY(-4px);
    box-shadow: 0 22px 48px rgba(18, 17, 12, .1);
}
.demo-cover-link { display: block; position: relative; overflow: hidden; }
.demo-cover-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(17, 17, 14, .42));
    opacity: .72;
    transition: opacity .18s ease;
}
.demo-card:hover .demo-cover-link::after { opacity: .92; }
.demo-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform .35s ease; }
.demo-card:hover .demo-cover { transform: scale(1.03); }
.demo-vcard-preview {
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 22px 18px;
    background: var(--demo-bg, var(--surface));
    color: var(--demo-ink, var(--text));
    transition: transform .35s ease;
}
.demo-card:hover .demo-vcard-preview { transform: scale(1.03); }
.demo-card-vcard .demo-cover-link::after { display: none; }
.demo-vcard-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid color-mix(in srgb, var(--demo-ink, var(--text)) 18%, transparent);
    background: var(--demo-surface, var(--surface));
}
.demo-vcard-avatar-empty {
    display: grid;
    place-items: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--demo-muted, var(--muted));
}
.demo-vcard-name {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -.02em;
    text-align: center;
    max-width: 90%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.demo-vcard-chip {
    width: min(70%, 140px);
    height: 10px;
    border-radius: 999px;
    background: var(--demo-accent, var(--accent));
}
.demo-vcard-chip-soft {
    width: min(48%, 96px);
    height: 8px;
    opacity: .55;
    background: var(--demo-muted, var(--muted));
}
.demo-card-vcard {
    border-color: color-mix(in srgb, var(--demo-accent, var(--line)) 35%, var(--line));
}
.demo-body { display: flex; flex-direction: column; gap: 6px; padding: 20px 20px 22px; }
.demo-sector { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.demo-body strong { font-size: 18px; letter-spacing: -.02em; }
.demo-body p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.demo-meta { font-size: 12px; color: var(--muted); }
.demo-actions { margin-top: 12px; display: flex; gap: 16px; }
.demo-link { font-size: 14px; font-weight: 700; text-decoration: underline; }
.demo-link-soft { font-weight: 550; color: var(--muted); }
.demo-link-soft:hover { color: var(--text); }
.demo-embed { margin-top: 12px; }
.demo-embed summary { cursor: pointer; font-size: 13px; font-weight: 650; color: var(--muted); }
.demo-embed textarea {
    width: 100%;
    margin-top: 8px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: 11px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    resize: vertical;
    background: var(--surface);
    color: var(--text);
}
.button { display: inline-flex; min-height: 44px; padding: 0 18px; align-items: center; justify-content: center; border-radius: 12px; font-weight: 700; font-size: 14px; }
.button-primary { background: var(--accent); color: var(--accent-text); }
.button-secondary { border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.button-ghost { min-height: 38px; padding-inline: 14px; border: 1px solid var(--line); }
.notice { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.notice p { margin: 0; font-size: 14px; line-height: 1.55; }
.notice-warning { border-color: #b58b1f; }
.notice-payment {
    border-color: #a33f34;
    border-width: 2px;
    background: color-mix(in srgb, #a33f34 8%, var(--surface));
}
.notice-copy { display: flex; flex-direction: column; gap: 4px; min-width: min(100%, 220px); flex: 1 1 240px; }
.notice-copy strong { font-size: 16px; letter-spacing: -.02em; }
.notice-payment .button-primary {
    flex: 0 0 auto;
    min-height: 48px;
    padding: 0 22px;
    font-weight: 700;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
}
.notice form { margin: 0; }
@media (max-width: 640px) {
    .notice-payment { flex-direction: column; align-items: stretch; }
    .notice-payment .button-primary { width: 100%; text-align: center; }
}
.hero { max-width: 1240px; margin: 68px auto 0; padding: 24px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 72px; align-items: center; }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 750; }
h1 { max-width: 760px; margin: 16px 0 20px; font-size: clamp(48px, 6.2vw, 86px); line-height: .98; letter-spacing: -.065em; }
.hero-body { max-width: 650px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.hero-actions { margin-top: 32px; }
.preview-shell { padding: 14px; border-radius: 28px; border: 1px solid var(--line); background: var(--surface); transform: rotate(2deg); }
.preview-toolbar { height: 34px; display: flex; gap: 6px; align-items: center; }
.preview-toolbar span { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.preview-cover { min-height: 480px; padding: 42px; border-radius: 18px; background: var(--surface-strong); color: var(--bg); position: relative; overflow: hidden; }
.preview-cover small { opacity: .65; text-transform: uppercase; letter-spacing: .12em; }
.preview-cover strong { display: block; margin-top: 20px; max-width: 280px; font-size: 46px; line-height: 1; letter-spacing: -.05em; }
.preview-cover p { opacity: .72; }
.preview-product { position: absolute; width: 280px; height: 220px; right: -40px; bottom: -20px; border-radius: 100px 20px 20px 20px; background: var(--accent); transform: rotate(-8deg); }
.pricing-section { max-width: 1240px; margin: 110px auto 80px; padding: 24px; }
.pricing-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px 22px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
}
.pricing-card.is-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.pricing-badge {
    position: absolute; top: 14px; inset-inline-end: 14px;
    padding: 4px 8px; border-radius: 999px; background: var(--accent); color: var(--accent-text);
    font-size: 11px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase;
}
.pricing-card h3 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.pricing-body { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; min-height: 3.2em; }
.pricing-price { margin: 8px 0 0; }
.pricing-price strong { font-size: 32px; letter-spacing: -.04em; }
.pricing-price span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.pricing-year { margin: 0; color: var(--muted); font-size: 13px; }
.pricing-limits { margin: 4px 0 8px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.pricing-limits li { padding-inline-start: 18px; position: relative; }
.pricing-limits li::before { content: ""; position: absolute; inset-inline-start: 0; top: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.pricing-buy { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.pricing-card .button { width: 100%; margin-top: auto; }
.pricing-note { margin: 28px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.auth-card-wide { width: 100%; }
.auth-shell:has(.auth-card-wide) { max-width: 640px; }
.bank-details { margin: 20px 0 12px; display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; }
.bank-details dt { color: var(--muted); font-size: 13px; }
.bank-details dd { margin: 0; }
.bank-details code { font-size: 15px; word-break: break-all; }
/* PayTR checkout: wider than auth forms; beats .auth-shell / :has(.auth-card-wide) caps. */
.auth-shell.auth-shell-paytr {
    width: 100%;
    max-width: 920px;
    margin-inline: auto;
}
/* Do not crop the iframe (3D Secure logos sit at the top of PayTR content). */
.paytr-card { width: 100%; max-width: 100%; overflow: visible; }
.paytr-card .auth-subtitle { margin-bottom: 12px; }
.paytr-card .auth-subtitle:last-of-type { margin-bottom: 20px; }
.paytr-frame {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 720px;
    height: auto;
    border: 0;
    margin: 16px 0 0;
}
/*
 * Tall PayTR iframe: plain place-items:center clips the top of overflowing grid items.
 * safe center keeps desktop centering when content fits; falls back to start when it overflows.
 */
.auth-body:has(.auth-shell-paytr) {
    place-items: safe center;
    overflow-x: clip;
    overflow-y: auto;
}
@media (max-width: 640px) {
    .auth-body:has(.auth-shell-paytr) {
        display: block;
        min-height: 0;
        padding: 12px 10px 32px;
        overflow-x: hidden;
        overflow-y: auto;
    }
    .auth-shell.auth-shell-paytr {
        max-width: 100%;
        width: 100%;
        margin-inline: 0;
    }
    .paytr-card {
        padding: 20px 12px 24px;
        border-radius: 16px;
    }
    .paytr-frame {
        min-height: 640px;
        margin-top: 12px;
    }
}
.feature-section { max-width: 1240px; margin: 110px auto 80px; padding: 24px; }
.feature-grid { max-width: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-grid article { border-top: 1px solid var(--line); padding: 26px 4px; }
.feature-grid span { color: var(--muted); font-size: 12px; }
.feature-grid h2 { margin: 24px 0 10px; font-size: 22px; letter-spacing: -.03em; }
.feature-grid p { color: var(--muted); line-height: 1.65; }
.error-page { max-width: 640px; margin: 0 auto; padding: 96px 24px; }
.error-page h1 { font-size: clamp(32px, 5vw, 48px); }
.error-page p { color: var(--muted); line-height: 1.6; }
.error-reference { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.error-page pre { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); overflow-x: auto; font-size: 12px; line-height: 1.5; }

.site-footer { max-width: 1240px; margin: 0 auto; padding: 28px 24px 40px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; }
.site-footer p { margin: 0; color: var(--muted); font-size: 13px; text-align: center; }
.site-footer a { text-decoration: underline; }
.footer-legal { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 16px; font-size: 13px; }
.footer-cards { display: flex; justify-content: center; }
.footer-cards img { display: block; max-width: min(280px, 100%); height: auto; }
.legal-page { max-width: 760px; margin: 48px auto 80px; padding: 0 24px; }
.legal-page h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -.04em; margin: 8px 0 12px; }
.legal-updated { color: var(--muted); font-size: 13px; margin: 0 0 28px; }
.legal-card { display: block; margin: 0 0 32px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); font-style: normal; line-height: 1.6; }
.legal-section { margin-bottom: 28px; }
.legal-section h2 { font-size: 18px; margin: 0 0 10px; letter-spacing: -.02em; }
.legal-section p { color: var(--muted); line-height: 1.7; margin: 0 0 10px; }
.legal-siblings { display: flex; flex-wrap: wrap; gap: 8px 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; }
.legal-siblings a[aria-current="page"] { color: var(--text); font-weight: 650; }

/* Right-to-left locales such as Arabic. */
[dir="rtl"] h1, [dir="rtl"] .section-title, [dir="rtl"] .panel-title { letter-spacing: normal; }
[dir="rtl"] .preview-shell { transform: rotate(-2deg); }
[dir="rtl"] .preview-product { right: auto; left: -40px; border-radius: 20px 100px 20px 20px; transform: rotate(8deg); }

@media (max-width: 1100px) {
    .sector-grid { grid-template-columns: repeat(3, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 840px) {
    .sector-section, .demo-section, .pricing-section { margin-top: 60px; }
    .sector-grid, .demo-grid, .pricing-grid { grid-template-columns: 1fr; }
    .hero { margin-top: 28px; grid-template-columns: 1fr; gap: 48px; }
    .preview-shell { transform: none; }
    .feature-grid { grid-template-columns: 1fr; margin-top: 20px; }
    .feature-section { margin-top: 60px; }
}

@media (max-width: 768px) {
    :root { --site-header-height: 57px; }

    .site-head {
        z-index: auto;
    }

    .site-bar,
    .site-chrome,
    .site-header {
        padding: 10px 14px;
        gap: 10px;
        z-index: 300;
    }

    main,
    .legal-page {
        position: relative;
        z-index: 1;
    }

    .site-menu-toggle {
        display: grid;
        place-items: center;
        flex-shrink: 0;
    }

    .header-actions .lang-name { display: none; }

    .header-actions-desktop-only {
        display: none;
    }

    .nav {
        position: fixed;
        top: var(--site-header-height);
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 290;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        overflow-y: auto;
        padding: 12px 14px 24px;
        background: var(--surface);
        border-bottom: 0;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
        transition: opacity .24s ease, transform .24s ease, visibility .24s ease;
    }

    .nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-nav-main {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .nav a {
        display: flex;
        align-items: center;
        min-height: 48px;
        padding: 0 14px;
        border-radius: 12px;
        color: var(--text);
        white-space: normal;
        transition: background .15s ease, color .15s ease;
    }

    .nav a:hover {
        background: var(--bg);
    }

    .site-nav-mobile-only {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: auto;
        padding-top: 16px;
        border-top: 1px solid var(--line);
    }

    .site-nav-mobile-only .button {
        width: 100%;
    }

    body.is-site-nav-open {
        overflow: hidden;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav,
    .site-nav-backdrop,
    .site-menu-icon,
    .site-menu-icon::before,
    .site-menu-icon::after {
        transition: none;
    }
}

@media (max-width: 840px) {
    .lang-name { display: none; }
}

@media (max-width: 520px) {
    .site-bar,
    .site-chrome,
    .site-header, .hero, .feature-section, .sector-section, .demo-section, .pricing-section { padding-inline: 14px; }
    .sector-grid, .demo-grid { grid-template-columns: 1fr; }
    h1 { font-size: clamp(36px, 11vw, 48px); }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .preview-cover { min-height: 360px; padding: 24px; }
    .preview-cover strong { font-size: 36px; }
}