.top { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; }
.top-row { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.top-nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.top-nav a { text-decoration: none; color: var(--muted); }
.top-nav a:hover { color: var(--ink); }

h1, h2, h3 { font-family: var(--f-display); font-weight: 600; letter-spacing: .005em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.04; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.1; }
h3 { font-size: 19px; line-height: 1.25; }

.hero { padding-block: 56px 64px; border-bottom: 1px solid var(--rule); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 48px; align-items: start; }
.hero-copy { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.lead { font-size: 18px; color: var(--muted); max-width: 58ch; margin: 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 12px 0 0; border-top: 1px solid var(--ink); }
.hero-stats div { padding: 14px 16px 0 0; }
.hero-stats dt { font-size: 13px; color: var(--muted); }
.hero-stats dd { margin: 4px 0 0; font-size: clamp(24px, 3vw, 34px); font-weight: 700; }

.board { background: var(--surface); border: 1px solid var(--ink); border-radius: var(--radius); box-shadow: 6px 6px 0 var(--ink); min-width: 0; }
.board-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--rule); }
.board-fresh { font-size: 13px; }
.board-list { list-style: none; margin: 0; padding: 0; }
.board-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--rule); }
.board-main { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.board-meta { display: flex; gap: 8px; align-items: center; font-size: 13px; flex-wrap: wrap; }
.board-text { margin: 0; font-size: 14.5px; line-height: 1.35; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.board-num { text-align: right; display: flex; flex-direction: column; }
.board-num b { font-size: 22px; }
.board-num span { font-size: 12px; white-space: nowrap; }
.board-empty { padding: 28px 18px; }
.board-more { display: block; padding: 12px 18px; text-decoration: none; font-weight: 600; color: var(--signal); }

.how { padding-block: 72px; border-bottom: 1px solid var(--rule); }
.steps { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.steps li { padding: 20px 28px 0 0; display: flex; flex-direction: column; gap: 10px; }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--rule); }
.steps p { margin: 0; color: var(--muted); max-width: 42ch; }
.step-n { font-size: 14px; color: var(--signal); font-weight: 700; }

.sample { padding-block: 72px; border-bottom: 1px solid var(--rule); }
.sample-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 48px; align-items: center; }
.sample-grid > div:first-child { display: flex; flex-direction: column; gap: 16px; }
.sample-grid p { margin: 0; max-width: 56ch; }
.ticks { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.ticks li { padding-left: 22px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .6em; width: 12px; height: 4px; background: var(--marker); outline: 1px solid var(--ink); }

.tg { background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.tg-head { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.tg-ava { width: 28px; height: 28px; border-radius: 50%; background: var(--signal); color: var(--signal-ink); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.tg-msg { background: var(--paper); border-radius: 10px; padding: 12px 14px 22px; font-size: 14.5px; line-height: 1.45; position: relative; }
.tg-msg p { margin: 0 0 10px; }
.tg-link { color: var(--signal); }
.tg-time { position: absolute; right: 10px; bottom: 6px; font-size: 11px; color: var(--muted); }

.plans { padding-block: 72px; border-bottom: 1px solid var(--rule); }
.plans-note { margin: 10px 0 0; }
.plan-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan { border: 1px solid var(--rule-strong); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 12px; background: var(--surface); }
.plan-main { border-color: var(--ink); box-shadow: 6px 6px 0 var(--marker), 6px 6px 0 1px var(--ink); }
.plan-price { margin: 0; font-size: 26px; font-weight: 700; }
.plan-price .muted { font-size: 14px; font-weight: 400; font-family: var(--f-body); }
.plan ul { margin: 0; padding-left: 18px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; flex: 1; }
.plan .btn { align-self: flex-start; }

.faq { padding-block: 72px; }
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 32px; }
.faq details { border-top: 1px solid var(--rule); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq details p { margin: 10px 0 0; color: var(--muted); max-width: 62ch; }

.foot { border-top: 1px solid var(--ink); padding-block: 28px; }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .sample-grid, .faq-grid { grid-template-columns: minmax(0, 1fr); }
  .steps, .plan-grid { grid-template-columns: minmax(0, 1fr); }
  .steps li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); padding-top: 20px; margin-top: 20px; }
  .top-nav { display: none; }
  .top-row .btn { margin-left: auto; }
}
@media (max-width: 520px) {
  .hero-stats { grid-template-columns: minmax(0, 1fr); }
  .hero-stats div { padding: 12px 0 0; }
  .board { box-shadow: 4px 4px 0 var(--ink); }
}
