/* Public site. Self-contained: no framework, no external fonts. */
:root {
  --bg: #ffffff; --bg-soft: #f6f7fe; --fg: #0f1222; --muted: #596079; --line: #e6e8f2;
  --brand: #434ce0; --brand-ink: #3139c4; --brand-2: #8a5cff; --card: #ffffff;
  --shadow: 0 1px 2px rgba(16,20,60,.05), 0 12px 32px -12px rgba(40,50,140,.18);
  --radius: 16px; --max: 1120px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b0d1a; --bg-soft: #11142a; --fg: #eef0fb; --muted: #a2a8c4; --line: #23274a; --card: #141733; --brand: #7b84ff; --brand-ink: #98a0ff; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 40px -14px rgba(0,0,0,.6); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { height: 40px; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a.link { color: var(--muted); font-size: 15px; font-weight: 500; }
.site-nav a.link:hover { color: var(--fg); text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px -8px rgba(67,76,224,.7); }
.btn-primary:hover { background: var(--brand-ink); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
@media (max-width: 760px) { .site-nav a.link { display: none; } }

/* hero */
.hero { position: relative; overflow: hidden; padding: 84px 0 40px; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto -10%; height: 90%; background: radial-gradient(60% 60% at 25% 20%, rgba(67,76,224,.18), transparent 70%), radial-gradient(50% 50% at 85% 10%, rgba(138,92,255,.16), transparent 70%); z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 22px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 62px); line-height: 1.05; letter-spacing: -.035em; margin: 0 0 20px; font-weight: 800; }
.grad { background: linear-gradient(100deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: 19px; color: var(--muted); max-width: 520px; margin: 0 0 30px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .note { margin-top: 18px; font-size: 14px; color: var(--muted); }
@media (max-width: 900px) { .hero { padding-top: 48px; } .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

/* product mockup */
.mock { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; transform: rotate(-1.2deg); }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: block; }
.mock-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 2px 14px; }
.mock-store { position: relative; padding: 16px 18px 24px; min-height: 575px; }
.mock-head { display: flex; align-items: center; justify-content: space-between; }
.mock-head b { letter-spacing: .14em; font-size: 12px; }
.mock-head nav { display: flex; gap: 14px; }
.mock-head nav span { width: 38px; height: 8px; border-radius: 4px; background: var(--line); display: block; }
.mock-cart { position: relative; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--bg-soft); border: 1px solid var(--line); }
.mock-cart svg { width: 18px; height: 18px; stroke: var(--fg); fill: none; stroke-width: 1.8; }
.mock-cart em { position: absolute; top: -6px; right: -6px; min-width: 17px; height: 17px; border-radius: 9px; background: var(--brand); color: #fff; font: 700 10px/17px var(--font); text-align: center; font-style: normal; }
.mock-hero { margin-top: 18px; height: 120px; border-radius: 12px; background: linear-gradient(120deg, var(--bg-soft), color-mix(in srgb, var(--brand) 14%, var(--bg-soft))); }
.mock-lines { margin-top: 16px; display: grid; gap: 8px; }
.mock-lines span { height: 9px; border-radius: 5px; background: var(--line); display: block; }
.mock-lines span:nth-child(1) { width: 60%; } .mock-lines span:nth-child(2) { width: 85%; } .mock-lines span:nth-child(3) { width: 45%; }
.mock-panel { position: absolute; top: 58px; right: 14px; width: 262px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 50px -16px rgba(30,40,120,.35); padding: 14px; }
.mock-panel h4 { margin: 0 0 10px; font-size: 13px; display: flex; justify-content: space-between; }
.mock-panel h4 small { color: var(--muted); font-weight: 500; }
.mock-row { display: grid; grid-template-columns: 44px 1fr auto; gap: 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line); }
.mock-thumb { width: 44px; height: 44px; border-radius: 9px; background: linear-gradient(135deg, #d9dcff, #f1d9ff); }
.mock-row:nth-of-type(3) .mock-thumb { background: linear-gradient(135deg, #ffe8cf, #ffd0d8); }
.mock-row strong { display: block; font-size: 12.5px; line-height: 1.25; }
.mock-row small { color: var(--muted); font-size: 11px; }
.mock-qty { display: inline-flex; margin-top: 4px; border: 1px solid var(--line); border-radius: 7px; font-size: 11px; }
.mock-qty span { padding: 0 7px; line-height: 18px; } .mock-qty span:nth-child(2) { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.mock-price { font-size: 12.5px; font-weight: 700; }
.mock-total { display: flex; justify-content: space-between; font-size: 13px; font-weight: 700; padding: 12px 0 10px; border-top: 1px solid var(--line); }
.mock-btn { display: block; text-align: center; background: var(--brand); color: #fff; border-radius: 9px; padding: 9px; font-size: 12.5px; font-weight: 700; }
@media (max-width: 520px) { .mock-panel { width: 220px; right: 10px; } .mock { transform: none; } }

/* sections */
.section { padding: 84px 0 0; }
.section h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -.03em; line-height: 1.12; margin: 0 0 14px; text-align: center; }
.section .lead { text-align: center; color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 auto 44px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: transform .2s, box-shadow .2s; }
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 12%, transparent); margin-bottom: 16px; }
.feature .ico svg { width: 22px; height: 22px; stroke: var(--brand); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { position: relative; padding: 26px 24px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--line); }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 14px; }
.step h3 { margin: 0 0 6px; font-size: 18px; } .step p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--muted); }
.cta-band { margin: 96px 0 0; }
.cta-box { text-align: center; padding: 64px 24px; border-radius: 28px; color: #fff; background: radial-gradient(80% 120% at 10% 0%, #6a73ff, transparent 60%), linear-gradient(120deg, #3b43d6, #7a4fe8); }
.cta-box h2 { color: #fff; margin-bottom: 10px; } .cta-box p { margin: 0 0 26px; opacity: .88; font-size: 18px; }
.cta-box .btn { background: #fff; color: #2b32b8; }

/* footer */
.site-footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 34px 0 44px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; }
.site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); } .site-footer a:hover { color: var(--fg); }

/* article pages (privacy, terms, help) */
.help-article { max-width: 760px; margin: 0 auto; padding: 56px 24px 24px; }
.help-article h1 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -.03em; line-height: 1.1; margin: 0 0 10px; }
.help-article h2 { font-size: 22px; letter-spacing: -.015em; margin: 38px 0 10px; }
.help-article .lead { color: var(--muted); font-size: 18px; margin: 0 0 24px; }
.help-article p, .help-article li { color: color-mix(in srgb, var(--fg) 88%, var(--bg)); }
.help-article ol li, .help-article ul li { margin-bottom: 8px; }
.help-article code { background: var(--bg-soft); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: 90%; }
.help-article pre { background: var(--bg-soft); border: 1px solid var(--line); padding: 14px 16px; border-radius: 12px; overflow: auto; font-size: 14px; }
.help-article table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; display: block; overflow-x: auto; }
.help-article th, .help-article td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.help-article th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.help-article .note { background: color-mix(in srgb, #f0b429 14%, var(--bg)); border-left: 4px solid #f0b429; padding: 12px 16px; border-radius: 0 10px 10px 0; margin: 20px 0; }
.help-article img { border-radius: 10px; }

/* narrow card pages (questionnaire, offer) */
.page-card { max-width: 620px; margin: 0 auto; padding: 56px 24px 8px; }
.page-card .panel { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px; box-shadow: var(--shadow); }
.page-card h1 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -.03em; line-height: 1.15; margin: 0 0 10px; }
.page-card p.sub { color: var(--muted); margin: 0 0 24px; font-size: 17px; }
.page-card .badge { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; margin-bottom: 18px; background: color-mix(in srgb, var(--brand) 12%, transparent); }
.page-card .badge svg { width: 28px; height: 28px; stroke: var(--brand); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.page-card .badge.warn { background: color-mix(in srgb, #f0b429 18%, transparent); } .page-card .badge.warn svg { stroke: #c78a00; }
.opts { display: grid; gap: 10px; margin: 0 0 22px; }
.opt { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; transition: border-color .15s, background .15s; }
.opt:hover { border-color: color-mix(in srgb, var(--brand) 50%, var(--line)); }
.opt input { width: 18px; height: 18px; accent-color: var(--brand); margin: 0; flex: none; }
.opt:has(input:checked) { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 8%, transparent); }
.page-card label.field { display: block; font-weight: 600; margin: 0 0 8px; font-size: 15px; }
.page-card textarea { width: 100%; min-height: 110px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit; resize: vertical; }
.page-card textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 1px; }
.form-actions { margin-top: 22px; display: flex; align-items: center; gap: 14px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.form-msg { color: var(--muted); font-size: 14px; }
.form-msg.err { color: #d1453b; }
.notice { padding: 12px 16px; border-radius: 12px; background: color-mix(in srgb, #f0b429 14%, var(--bg)); border: 1px solid color-mix(in srgb, #f0b429 40%, var(--line)); margin: 0 0 18px; font-size: 15px; }
.thanks { display: none; } .thanks.show { display: block; } .is-done .form-area { display: none; }

/* error and message pages */
.err-code { font-size: clamp(64px, 14vw, 120px); font-weight: 800; letter-spacing: -.05em; line-height: 1; margin: 0 0 6px; }
.err-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.page-card .panel.center { text-align: center; padding: 48px 32px 44px; } .page-card .panel.center .err-actions { justify-content: center; }
.help-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.help-list a { display: block; padding: 14px 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--fg); font-weight: 500; transition: border-color .15s, background .15s; }
.help-list a:hover { text-decoration: none; border-color: var(--brand); background: color-mix(in srgb, var(--brand) 6%, transparent); }
.help-list a small { display: block; color: var(--muted); font-weight: 400; font-size: 14px; }

/* upsell mockup bits and pricing */
.mock-ship { margin: 2px 0 10px; font-size: 11px; color: var(--muted); }
.mock-ship b { color: var(--fg); }
.mock-bar-track { height: 6px; border-radius: 3px; background: var(--line); margin-top: 6px; overflow: hidden; }
.mock-bar-track i { display: block; height: 100%; width: 72%; background: linear-gradient(90deg, var(--brand), var(--brand-2)); border-radius: 3px; }
.mock-up { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.mock-up h5 { margin: 0 0 8px; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.mock-up-row { display: flex; gap: 8px; }
.mock-up-card { flex: 1; border: 1px solid var(--line); border-radius: 9px; padding: 6px; font-size: 10.5px; line-height: 1.25; }
.mock-up-card i { display: block; height: 34px; border-radius: 6px; margin-bottom: 5px; background: linear-gradient(135deg, #cfe9ff, #e0d6ff); }
.mock-up-card:nth-child(2) i { background: linear-gradient(135deg, #ffe3c7, #ffd3e0); }
.mock-up-card b { display: block; font-size: 10.5px; }
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 780px; margin: 0 auto; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 30px 28px; }
.plan.featured { border-color: var(--brand); box-shadow: var(--shadow); }
.plan h3 { margin: 0 0 4px; font-size: 20px; }
.plan .price { font-size: 38px; font-weight: 800; letter-spacing: -.03em; margin: 8px 0 2px; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan .meta { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 10px; }
.plan li { position: relative; padding-left: 26px; font-size: 15px; }
.plan li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 12px; height: 7px; border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg); }
.plan .btn { width: 100%; }
.fine { text-align: center; color: var(--muted); font-size: 13px; margin-top: 18px; }
@media (max-width: 700px) { .plans { grid-template-columns: 1fr; } }