/* PropPulse landing — matches chat (brand #0e6e64, white, mobile-first) */
:root {
  --brand: #0e6e64;
  --ink: #1a2421;
  --ink-soft: #5c6b67;
  --bg: #ffffff;
  --line: #e5e9e7;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: #f4f6f5;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.page {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100dvh;
  background: var(--bg);
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  padding: 0 20px 32px;
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.wordmark {
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .02em;
}
.lang-toggle {
  display: inline-flex;
  background: #e6f3f1;
  border-radius: 999px;
  padding: 2px;
}
.lang-toggle button {
  border: 0; background: transparent; color: var(--brand);
  padding: 4px 10px; font-size: 12px; border-radius: 999px;
  cursor: pointer; font: inherit;
}
.lang-toggle button.active { background: var(--brand); color: #fff; font-weight: 600; }

.hero { padding: 12px 0 8px; }
.hero h1 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 700;
}
.hero p { margin: 0; color: var(--ink-soft); }

.how { margin-top: 28px; }
.how h2 {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.steps {
  display: grid;
  gap: 10px;
}
.step {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fbfdfc;
}
.step .n {
  display: inline-block;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  line-height: 22px;
  margin-right: 6px;
}
.step p { margin: 8px 0 0; font-size: 14px; }

.loop {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}
.btn {
  display: block;
  text-align: center;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
}
.btn.primary { background: var(--brand); color: #fff; }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }

.foot {
  margin-top: 28px;
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
}

@media (min-width: 720px) {
  .page {
    max-width: 920px;
    padding: 0 28px 40px;
  }
  .hero h1 { font-size: 32px; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .ctas { flex-direction: row; }
  .ctas .btn { flex: 1; }
}