/* How-it-works demo — landing tokens only. Fraunces / DM Sans / JetBrains Mono
   come from the page. No prototype palette, no extra fonts. */
.sp-demo {
  --hd-font: var(--sans);
  --hd-mono: var(--mono);
  --hd-focus: var(--sage);
  margin: 0 0 2.25rem;
}
.sp-demo__head { margin: 0 0 1rem; }
.sp-demo__count {
  margin: 0 0 0.35rem;
  font: 500 0.8rem/1.2 var(--mono);
  color: var(--muted);
}
.sp-demo__title {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.sp-demo__cap {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}
.sp-demo.is-still .sp-demo__head,
.sp-demo.is-still .sp-demo__captions { display: none; }

.sp-demo__stage {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.sp-demo.is-still .sp-demo__stage { display: none; }

.sp-demo .hd-win {
  background: var(--white);
  border-radius: 0;
  box-shadow: none;
}
.sp-demo .hd-bar { display: none; }
.sp-demo .hd-view { background: var(--cream); aspect-ratio: 16 / 10; }
.sp-demo .hd-stage { background: var(--cream); color: var(--ink); font: 500 26px/1.35 var(--sans); }
.sp-demo .hd-lights i { background: var(--stone); }

.sp-demo__controls {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.sp-demo.is-live .sp-demo__controls { display: flex; }
.sp-demo.is-still .sp-demo__controls { display: none; }
.sp-demo__btn,
.sp-demo__step {
  min-height: 44px;
  min-width: 44px;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--stone);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font: 600 0.9rem/1 var(--sans);
  cursor: pointer;
}
.sp-demo__btn:focus-visible,
.sp-demo__step:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}
.sp-demo__nav { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sp-demo__step.is-on {
  background: var(--sage-soft);
  border-color: var(--sage);
  color: var(--ink);
}

.sp-demo__captions {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.sp-demo__captions li {
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sp-demo__captions h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}
.sp-demo__captions p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.sp-demo__end {
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  padding: 0.5rem 0.15rem;
  border: 0;
  background: none;
  box-shadow: none;
}
.sp-demo__note { margin: 0.85rem 0 0; font-size: 0.85rem; color: var(--muted); }

.sp-demo__story {
  display: none;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  gap: 0.85rem;
}
.sp-demo.is-still .sp-demo__story {
  display: grid;
}
@media (min-width: 640px) {
  .sp-demo:not(.is-live) .sp-demo__story { grid-template-columns: 1fr 1fr; }
}

.sp-still {
  background: var(--white);
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  min-height: 0;
}
.sp-still .sp-k { font: 600 0.78rem/1 var(--sans); color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 0.55rem; }
.sp-still .sp-bubble {
  margin: 0 0 0.65rem auto;
  max-width: 92%;
  background: var(--stone);
  border-radius: 12px 12px 4px 12px;
  padding: 0.65rem 0.8rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.sp-still .sp-ok { margin: 0 0 0.4rem; font-size: 0.95rem; color: var(--ink); }
.sp-still .sp-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--sage-soft);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  overflow-wrap: break-word;
}
.sp-still .sp-email {
  margin: 0 0 0.4rem;
  height: auto;
  min-height: 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
}
.sp-still .sp-lockline {
  display: flex; align-items: center; gap: 0.4rem;
  color: var(--ink-soft); font-size: 0.95rem; margin: 0;
}
.sp-still h3 { margin: 0.7rem 0 0.25rem; font-size: 1rem; }
.sp-still p.sp-c { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

.sp-fallback {
  position: absolute;
  inset: 0;
  padding: 1.1rem 1.2rem;
  background: var(--cream);
  color: var(--ink);
  font-size: 1rem;
}
.sp-fallback .sp-chat {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  left: auto; top: auto;
}
.sp-fallback .sp-msg-agent,
.sp-fallback .sp-attach,
.sp-fallback .sp-ran { opacity: 1; transform: none; }

@media (max-width: 639px) {
  .sp-demo, .sp-demo button, .sp-still, .sp-fallback {
    font-size: 15px;
  }
  .sp-demo__count, .sp-demo__note, .sp-k, .sp-pill, .sp-c, .sp-ran,
  .sp-demo__btn, .sp-demo__step {
    font-size: 15px;
  }
  .sp-demo__head { min-height: 0; margin: 0 0 12px; }
  .sp-demo__title { margin-bottom: 0.25rem; }
  .sp-demo__cap { margin: 0; }
  .sp-demo__stage {
    aspect-ratio: 390 / 560;
    margin-top: 12px;
  }
  .sp-demo .hd-view { aspect-ratio: 390 / 560; }
  .sp-demo .hd-stage { font-size: 16px; }
  .sp-linkpill { border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .sp-demo__stage, .sp-demo__controls, .sp-demo__head, .sp-demo__captions { display: none; }
  .sp-demo__story { display: grid; }
  .hd-stage, .hd-stage *, .hd-cursor, .hd-cursor svg {
    animation: none !important;
    transition: none !important;
  }
}

/* ===== App at 1200×750 / 390×560 ===== */
.hd-stage.sp-app { background: var(--cream); color: var(--ink); }

.sp-chat {
  position: absolute;
  left: 70px; top: 36px; width: 1060px; height: 678px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sp-chat-bar {
  display: flex; align-items: center; gap: 14px;
  height: 72px; padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  font: 600 28px/1 var(--sans);
  color: var(--ink);
}
.sp-chat-bar .sp-ico { width: 32px; height: 32px; stroke: var(--ink-soft); fill: none; stroke-width: 1.7; }
.sp-chat-body {
  flex: 1;
  padding: 28px 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}
.sp-msg-user {
  align-self: flex-end;
  max-width: 78%;
  background: var(--stone);
  border-radius: 22px 22px 6px 22px;
  padding: 18px 22px;
}
.sp-msg-text { margin: 0; font: 500 28px/1.35 var(--sans); color: var(--ink); }
.sp-caret {
  display: inline-block; width: 3px; height: 26px; margin-left: 4px;
  background: var(--ink); vertical-align: -4px;
}
.sp-attach {
  display: inline-flex; margin-top: 10px;
  font: 500 22px/1 var(--mono); color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
}
.sp-think { display: flex; gap: 8px; height: 18px; opacity: 0; }
.sp-think i {
  width: 10px; height: 10px; border-radius: 50%; background: var(--muted);
}
.sp-ran {
  margin: 0;
  font: 500 24px/1.4 var(--sans);
  color: var(--muted);
}
.sp-ran code,
.sp-ran-cmd {
  font-family: var(--mono);
  font-size: inherit;
  font-weight: 500;
}
.sp-msg-agent { align-self: stretch; max-width: 92%; opacity: 0; }
.sp-ok { margin: 0 0 14px; font: 500 28px/1.35 var(--sans); color: var(--ink); }
.sp-ok b { font-weight: 700; }
.sp-linkpill {
  display: flex; flex-wrap: wrap; align-items: flex-start; gap: 6px 10px;
  max-width: 100%;
  box-sizing: border-box;
  font: 500 22px/1.3 var(--mono);
  background: var(--sage-soft);
  color: var(--ink);
  border-radius: 18px;
  padding: 10px 16px;
}
.sp-linkurl {
  min-width: 0;
  flex: 0 1 auto;
  overflow-wrap: break-word;
}
.sp-seal {
  display: inline-flex; align-items: center; gap: 6px;
  flex: 0 0 auto;
  font: 600 18px/1 var(--sans);
  color: var(--ink-soft);
}
.sp-seal .sp-ico { width: 18px; height: 18px; stroke: var(--ink-soft); fill: none; stroke-width: 2; }
.sp-titleline {
  margin: 12px 0 0;
  font: 500 18px/1.35 var(--mono);
  color: var(--muted);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.sp-browser { position: absolute; inset: 0; background: var(--cream); }
.sp-addr {
  position: absolute; left: 40px; right: 40px; top: 26px; height: 70px;
  display: flex; align-items: center; gap: 16px;
  padding: 0 28px; border: 1px solid var(--line); border-radius: 40px;
  background: var(--white); font: 500 28px/1 var(--sans); color: var(--ink-soft);
  overflow: hidden;
}
.sp-addr .sp-ico, .sp-ico {
  flex: none; width: 30px; height: 30px; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.sp-addr-url {
  display: flex;
  min-width: 0;
  flex: 1;
  gap: 0;
  overflow: hidden;
}
.sp-addr .sp-host { flex: none; color: var(--ink); font-weight: 600; }
.sp-addr .sp-path {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sp-linkcard {
  position: absolute; left: 70px; right: 70px; top: 110px;
  padding: 48px 56px 50px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.sp-eyebrow {
  font: 600 22px/1 var(--sans); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.sp-bigurl { margin-top: 22px; font: 600 52px/1.15 var(--display); color: var(--ink); }
.sp-bigurl em { display: block; font-style: normal; color: var(--muted); }
.sp-row { display: flex; align-items: center; gap: 18px; margin-top: 36px; }
.sp-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px; border-radius: 999px;
  background: var(--sage-soft); color: var(--ink); font: 600 32px/1 var(--sans);
}
.sp-copy {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  border: 2px solid var(--ink); color: var(--ink); font: 600 30px/1 var(--sans); background: transparent;
}
.sp-copy.sp-done { background: var(--sage); border-color: var(--sage); color: #fff; }
.sp-sub { margin-top: 30px; font: 500 30px/1.3 var(--sans); color: var(--ink-soft); }

.sp-signin {
  position: absolute; left: 210px; top: 128px; width: 780px;
  padding: 40px 56px 44px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.sp-signin h3 { margin: 0 0 10px; font: 600 48px/1.08 var(--display); }
.sp-signin-p { margin: 0 0 26px; font: 500 28px/1.3 var(--sans); color: var(--ink-soft); }
.sp-email {
  margin: 0;
  height: 78px; display: flex; align-items: center;
  padding: 0 22px;
  border: 1px solid var(--line); border-radius: 16px;
  background: var(--cream);
  font: 600 28px/1 var(--mono); color: var(--ink);
}

.sp-report {
  position: absolute; left: 0; right: 0; top: 120px; bottom: 0;
  padding: 28px 56px; background: var(--white); display: none;
}
.sp-rhead { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.sp-rhead h3 { margin: 0; font: 600 48px/1.05 var(--display); }
.sp-rhead small {
  display: block; margin-bottom: 10px;
  font: 600 22px/1 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.sp-who {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 18px; border-radius: 999px; background: var(--sage-soft);
  font: 600 24px/1 var(--sans); white-space: nowrap;
}
.sp-who i {
  width: 36px; height: 36px; border-radius: 50%; background: var(--sage); color: #fff;
  font: 700 18px/36px var(--sans); text-align: center; font-style: normal;
}
.sp-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.sp-kpi { padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--radius); }
.sp-kpi span { display: block; font: 600 22px/1.2 var(--sans); color: var(--muted); }
.sp-kpi b { display: block; margin-top: 8px; font: 600 40px/1 var(--display); }
.sp-chart {
  display: flex; align-items: flex-end; gap: 28px; height: 200px;
  margin-top: 24px; padding: 0 8px; border-bottom: 1px solid var(--line);
}
.sp-bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.sp-bar i {
  display: block; width: 100%; border-radius: 10px 10px 0 0; background: var(--sage);
  transform-origin: bottom; transform: scaleY(0);
}
.sp-bar-a i { height: 99px; }
.sp-bar-b i { height: 125px; }
.sp-bar-c i { height: 160px; background: var(--ink); }
.sp-bar em { white-space: nowrap; font: 600 22px/1 var(--sans); font-style: normal; color: var(--muted); margin-bottom: 8px; }
.sp-scan { position: absolute; left: 0; right: 0; height: 3px; background: var(--sage); }

.sp-block {
  position: absolute; left: 150px; top: 124px; width: 900px;
  padding: 40px 56px 42px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow);
  color: var(--ink-soft);
  display: none;
}
.sp-block .sp-lock-lg { width: 48px; height: 48px; stroke: var(--ink-soft); }
.sp-code { margin: 16px 0 0; font: 600 24px/1.2 var(--sans); color: var(--ink-soft); letter-spacing: 0; }
.sp-block h3 { margin: 12px 0 0; font: 600 32px/1.25 var(--display); color: var(--ink); }
.sp-as { margin-top: 18px; font: 500 26px/1.3 var(--sans); color: var(--ink-soft); }
.sp-endband {
  position: absolute; left: 0; right: 0; bottom: 0; height: 96px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--cream);
  font: italic 600 40px/1 var(--display);
}

@media (max-width: 639px) {
  .sp-chat { left: 10px; top: 10px; width: 370px; height: 540px; }
  .sp-chat-bar { height: 48px; padding: 0 14px; font-size: 16px; gap: 8px; }
  .sp-chat-bar .sp-ico { width: 20px; height: 20px; }
  .sp-chat-body { padding: 12px 14px 16px; gap: 10px; }
  .sp-msg-text { font-size: 16px; }
  .sp-attach { font-size: 15px; padding: 6px 10px; }
  .sp-ran { font-size: 15px; }
  .sp-ok { font-size: 16px; margin-bottom: 8px; }
  .sp-linkpill {
    font-size: 15px; padding: 8px 10px; gap: 6px; max-width: 100%;
    flex-direction: column; align-items: flex-start;
  }
  .sp-linkurl { flex: none; width: 100%; }
  .sp-seal { font-size: 15px; align-self: flex-start; }
  .sp-titleline { font-size: 15px; }
  .sp-addr { left: 10px; right: 10px; top: 10px; height: 44px; padding: 0 12px; font-size: 15px; gap: 8px; }
  .sp-addr .sp-ico { width: 16px; height: 16px; }
  .sp-linkcard { left: 10px; right: 10px; top: 62px; padding: 16px 16px 18px; }
  .sp-eyebrow { font-size: 15px; }
  .sp-bigurl { font-size: 22px; margin-top: 10px; }
  .sp-row { margin-top: 14px; flex-wrap: wrap; gap: 8px; }
  .sp-badge, .sp-copy { font-size: 15px; padding: 8px 12px; }
  .sp-sub { margin-top: 12px; font-size: 15px; }
  .sp-signin { left: 10px; top: 62px; width: 370px; padding: 16px; }
  .sp-signin h3 { font-size: 22px; }
  .sp-signin-p { font-size: 15px; margin-bottom: 14px; }
  .sp-email { height: 44px; font-size: 15px; padding: 0 12px; }
  .sp-report { top: 58px; padding: 12px 14px; }
  .sp-rhead { flex-direction: column; align-items: flex-start; }
  .sp-rhead h3 { font-size: 20px; }
  .sp-rhead small { font-size: 15px; }
  .sp-who { font-size: 15px; }
  .sp-who i { width: 24px; height: 24px; font: 700 12px/24px var(--sans); }
  .sp-kpis { grid-template-columns: 1fr; gap: 8px; margin-top: 12px; }
  .sp-kpi { padding: 8px 10px; }
  .sp-kpi span { font-size: 15px; }
  .sp-kpi b { font-size: 18px; }
  .sp-chart { height: 120px; gap: 10px; margin-top: 12px; }
  .sp-bar em { font-size: 15px; }
  .sp-bar-a i { height: 50px; }
  .sp-bar-b i { height: 70px; }
  .sp-bar-c i { height: 90px; }
  .sp-block { left: 10px; top: 62px; width: 370px; padding: 16px; }
  .sp-block h3 { font-size: 18px; }
  .sp-code { font-size: 15px; }
  .sp-as { font-size: 15px; }
  .sp-endband { height: 56px; font-size: 16px; padding: 0 10px; text-align: center; }
  .sp-fallback { font-size: 15px; padding: 12px; }
  .sp-still .sp-k,
  .sp-still .sp-pill,
  .sp-still .sp-bubble,
  .sp-still .sp-ok,
  .sp-still .sp-email,
  .sp-still .sp-lockline,
  .sp-still p.sp-c { font-size: 15px; }
}

.sp-ico { display: inline-block; }