:root {
  --ink: #0a0b0a;
  --ink-2: #545a57;
  --ink-3: #8a908d;
  --line: #e6e8e7;
  --soft: #f5f6f5;
  --bg: #ffffff;
  --green: #1f4d3a;
  --green-2: #2e7d57;
  --ok-bg: #e7f4ec;
  --ok: #1d6b45;
  --warn-bg: #fdf1dc;
  --warn: #8a5a0b;
  --font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; font-feature-settings: "ss01", "cv11"; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.035em; line-height: 1.05; }
h2 { font-size: clamp(30px, 3.6vw, 44px); }
h3 { font-size: 17px; letter-spacing: -0.01em; line-height: 1.3; }
p { margin: 0 0 1em; }
section { scroll-margin-top: 72px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 20px; border-radius: 10px; background: var(--ink); color: #fff; font: 500 15px/1 var(--font); text-decoration: none; border: 1px solid var(--ink); cursor: pointer; transition: opacity .15s; }
.btn:hover { opacity: .85; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 14px; border-radius: 8px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--soft); opacity: 1; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }

/* header */
.top { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.85); backdrop-filter: blur(12px) saturate(1.5); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; height: 60px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.mark { width: 26px; height: 26px; border-radius: 6px; }
.word { font-weight: 600; font-size: 16px; letter-spacing: -0.02em; }
.nav { display: flex; gap: 26px; margin-right: auto; }
.nav a { text-decoration: none; color: var(--ink-2); font-size: 14.5px; }
.nav a:hover { color: var(--ink); }

/* hero */
.hero { padding: 96px 0 40px; background: linear-gradient(#fff 0, #fff 55%, var(--soft) 55%); }
.hero h1 { font-size: clamp(46px, 7.4vw, 92px); letter-spacing: -0.05em; line-height: .98; font-weight: 600; }
.lede { font-size: clamp(18px, 1.6vw, 20px); color: var(--ink-2); max-width: 560px; margin: 26px 0 32px; line-height: 1.5; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 72px; }
.caption { font-size: 13px; color: var(--ink-3); margin: 14px 0 0; text-align: center; }

/* app mock */
.app { border: 1px solid #dfe2e0; border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 24px 60px -24px rgba(16,24,20,.25); font-size: 13.5px; line-height: 1.45; }
.app-bar { height: 38px; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--line); background: #fafbfa; }
.url { font-size: 12px; color: var(--ink-3); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 3px 40px; }
.app-body { display: grid; grid-template-columns: 200px 300px 1fr; height: 470px; }
.side { border-right: 1px solid var(--line); padding: 14px 10px; background: #fbfbfb; }
.shop { display: flex; align-items: center; gap: 8px; font-weight: 600; padding: 4px 8px 14px; }
.shop-av { width: 24px; height: 24px; border-radius: 6px; background: var(--green); color: #fff; display: grid; place-items: center; font-size: 12px; }
.side ul { list-style: none; margin: 0; padding: 0; }
.side li { display: flex; justify-content: space-between; padding: 7px 8px; border-radius: 7px; color: var(--ink-2); }
.side li.on { background: #eceeed; color: var(--ink); font-weight: 500; }
.side em { font-style: normal; font-size: 12px; color: var(--ink-3); }
.side li.on em { color: var(--ink); }
.list { border-right: 1px solid var(--line); overflow: hidden; }
.list-head { display: flex; justify-content: space-between; padding: 14px 16px; font-weight: 600; border-bottom: 1px solid var(--line); }
.list-head span { font-weight: 400; color: var(--ink-3); }
.conv { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.conv.on { background: #f3f5f4; box-shadow: inset 2px 0 0 var(--ink); }
.conv time { font-size: 12px; color: var(--ink-3); }
.conv p { margin: 0; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv .chip { justify-self: end; grid-column: 2; grid-row: 2; }
.chip { display: inline-block; font-size: 11.5px; font-weight: 500; padding: 2px 8px; border-radius: 99px; background: var(--soft); color: var(--ink-2); white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.thread { display: flex; flex-direction: column; min-width: 0; }
.thread-head { padding: 12px 20px; border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: baseline; }
.thread-head span { color: var(--ink-3); font-size: 12.5px; }
.msgs { padding: 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.m { margin: 0; max-width: 78%; padding: 8px 12px; border-radius: 12px; }
.m.in { background: var(--soft); align-self: flex-start; border-bottom-left-radius: 4px; }
.m.out { background: var(--green); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.order { align-self: flex-end; width: 78%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 4px; margin-top: 4px; }
.order span { display: block; color: var(--ink-2); }
.order .r { text-align: right; }
.order .full { grid-column: 1 / -1; color: var(--ink-3); font-size: 12.5px; border-top: 1px solid var(--line); padding-top: 6px; margin-top: 4px; }

/* feature sections */
.feature { padding: 120px 0; }
.feature.alt { background: var(--soft); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.rev .copy { order: 2; }
.copy h2 { margin-bottom: 22px; max-width: 15ch; }
.copy p { color: var(--ink-2); font-size: 17px; max-width: 46ch; }
.panel { background: #fff; border: 1px solid #dfe2e0; border-radius: 14px; padding: 6px 0; box-shadow: 0 16px 40px -24px rgba(16,24,20,.2); font-size: 14px; }
.panel-head { display: flex; align-items: center; gap: 8px; padding: 12px 20px; font-weight: 600; }
.panel-head.sub { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 16px; }
.count { font-size: 12px; font-weight: 500; background: var(--soft); color: var(--ink-2); border-radius: 99px; padding: 1px 8px; }
.row-item { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 10px 20px; }
.row-item p { margin: 2px 0 0; color: var(--ink-2); }
.row-item.small { padding: 7px 20px; font-weight: 400; color: var(--ink-2); }
.row-item.small b { font-weight: 400; }
.row-item.small span { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.note { margin: 0 20px 8px; padding: 10px 12px; background: var(--soft); border-radius: 8px; color: var(--ink-2); font-size: 13px; }
.col { display: grid; grid-template-columns: 52px 1fr auto; gap: 12px; align-items: center; padding: 12px 20px; border-top: 1px solid var(--line); }
.panel-head + .col { border-top: 0; }
.col time { font-variant-numeric: tabular-nums; color: var(--ink-3); font-size: 13px; }
.col p { margin: 2px 0 0; color: var(--ink-2); font-size: 13px; }
.weigh { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-3); }
.weigh label { display: flex; align-items: center; gap: 6px; }
.weigh input { width: 70px; height: 30px; border: 1px solid #cfd3d1; border-radius: 7px; padding: 0 8px; font: 500 13px var(--font); color: var(--ink); }
.weigh button { height: 30px; border: 0; border-radius: 7px; background: var(--ink); color: #fff; font: 500 12.5px var(--font); padding: 0 10px; }

.feature.dark { background: #0c0f0d; color: #fff; }
.feature.dark .copy p { color: #a3aba7; }
.panel-dark { background: #151a17; border-color: #252c28; box-shadow: none; color: #e9ecea; }
.panel-dark .panel-head { color: #fff; }
.line { display: flex; justify-content: space-between; padding: 11px 20px; font-variant-numeric: tabular-nums; }
.line.mut { color: #8d9691; }
.line.total { border-top: 1px solid #2a312d; margin-top: 6px; padding-top: 16px; font-size: 17px; }
.line.total b { color: #7fd6a3; }
.payout { display: flex; justify-content: space-between; margin: 12px 14px 8px; padding: 10px 12px; background: #1d2420; border-radius: 8px; color: #a3aba7; font-size: 13px; }

.more { padding: 120px 0; }
.more h2 { margin-bottom: 48px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.grid > div { padding: 28px 28px 28px 0; border-bottom: 1px solid var(--line); }
.grid > div:not(:nth-child(3n+1)) { padding-left: 28px; border-left: 1px solid var(--line); }
.grid h3 { margin-bottom: 8px; }
.grid p { color: var(--ink-2); margin: 0; font-size: 15px; }

.pricing { padding: 120px 0; background: var(--soft); }
.sub { color: var(--ink-2); font-size: 17px; max-width: 620px; margin: 18px 0 48px; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plan { background: #fff; border: 1px solid #dfe2e0; border-radius: 14px; padding: 26px 24px; }
.plan.pick { border: 1.5px solid var(--ink); box-shadow: 0 16px 40px -24px rgba(16,24,20,.3); }
.plan h3 { display: flex; align-items: center; justify-content: space-between; font-size: 15px; color: var(--ink-2); font-weight: 500; }
.badge { font-size: 11.5px; background: var(--ink); color: #fff; padding: 3px 8px; border-radius: 99px; font-weight: 500; }
.amt { font-size: 42px; font-weight: 600; letter-spacing: -0.04em; margin: 10px 0 20px; font-variant-numeric: tabular-nums; }
.amt span { font-size: 15px; color: var(--ink-3); font-weight: 400; letter-spacing: 0; margin-left: 2px; }
.plan ul { list-style: none; margin: 0; padding: 20px 0 0; border-top: 1px solid var(--line); display: grid; gap: 9px; font-size: 14.5px; color: var(--ink-2); }
.plan li { padding-left: 20px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 9px; height: 5px; border-left: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(-45deg); }
.fine { font-size: 14px; color: var(--ink-3); margin-top: 24px; max-width: 760px; }

.founding { background: var(--green); color: #fff; padding: 72px 0; }
.founding-in { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.founding h2 { margin-bottom: 12px; }
.founding p { color: #c4d6cc; font-size: 17px; max-width: 620px; margin: 0; }

.faq-sec { padding: 120px 0; }
.faq-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 36px 20px 0; position: relative; font-weight: 500; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 22px; font-weight: 300; color: var(--ink-3); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); margin: -6px 0 22px; max-width: 64ch; }

.join-sec { padding: 0 0 120px; }
.join-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; background: var(--soft); border-radius: 20px; padding: 56px; }
.join-grid h2 { margin-bottom: 14px; }
.join-grid > div > p { color: var(--ink-2); font-size: 17px; }
.join-grid .fine a { color: var(--ink); }
.join { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.join label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 500; color: var(--ink-2); }
.join .wide { grid-column: 1 / -1; }
.join input, .join textarea { font: 400 15px/1.4 var(--font); padding: 11px 12px; border: 1px solid #d5d9d7; border-radius: 9px; background: #fff; color: var(--ink); width: 100%; }
.join input:focus, .join textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(10,11,10,.08); }
.join input.bad { border-color: #c2410c; }
.join .btn { justify-self: start; }
.form-note { grid-column: 1 / -1; font-size: 13px; color: var(--ink-3); margin: 0; }

.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; font-size: 13.5px; color: var(--ink-3); }
.foot p { margin: 0; }
.foot nav { display: flex; gap: 20px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }

/* legal */
.legal { max-width: 740px; padding: 72px 24px 96px; }
.legal h1 { font-size: clamp(36px, 5vw, 52px); letter-spacing: -0.045em; margin-bottom: 10px; }
.legal h2 { font-size: 22px; letter-spacing: -0.02em; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--ink-2); }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.legal .updated { font-size: 14px; color: var(--ink-3); margin-bottom: 32px; }

@media (max-width: 1040px) {
  .app-body { grid-template-columns: 260px 1fr; }
  .side { display: none; }
  .plans { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav { display: none; }
  .top-in { justify-content: space-between; }
  .hero { padding-top: 64px; }
  .split, .faq-grid, .join-grid { grid-template-columns: 1fr; gap: 40px; }
  .split.rev .copy { order: 0; }
  .feature, .more, .pricing, .faq-sec { padding: 80px 0; }
  .grid { grid-template-columns: 1fr 1fr; }
  .grid > div:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .grid > div:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
  .founding-in { flex-direction: column; align-items: flex-start; }
  .join-grid { padding: 32px 24px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .app-body { grid-template-columns: 1fr; height: auto; }
  .list { display: none; }
  .m, .order { max-width: 90%; width: auto; }
  .order { width: 90%; }
  .cta { margin-bottom: 48px; }
  .plans, .grid { grid-template-columns: 1fr; }
  .grid > div:nth-child(even) { padding-left: 0; border-left: 0; }
  .col { grid-template-columns: 44px 1fr; }
  .col > :last-child { grid-column: 2; justify-self: start; }
  .join { grid-template-columns: 1fr; }
  .join-sec { padding-bottom: 72px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }