/* /participate/ — community participation page */

.pt-hero {
  padding: 56px 0 28px;
  background: linear-gradient(180deg, var(--c-brand-soft) 0%, transparent 100%);
}
.pt-hero h1 {
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
  font-weight: 800;
}
.pt-hero-lede {
  font-size: 1.05rem;
  color: var(--c-text-soft);
  max-width: 780px;
  margin: 0;
  line-height: 1.6;
}

.section-tag {
  font-size: 12px; font-weight: 700;
  color: var(--c-brand);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 6px;
}

.pt-section { padding: 48px 0; }
.pt-section.alt { background: var(--c-section-alt, #f1f5f9); }
.pt-section .section-title {
  font-size: 1.5rem;
  margin: 0 0 10px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.pt-section .section-lede {
  color: var(--c-text-soft);
  max-width: 760px;
  margin: 0 0 26px;
  font-size: 0.96rem;
}

.pt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.pt-card {
  background: white;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  border-top: 3px solid #2c6a3a;
}
.pt-card.expert { border-top-color: var(--c-warm, #a4731c); }

.pt-card-icon { font-size: 1.8rem; margin-bottom: 4px; }
.pt-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
}
.pt-card p {
  color: var(--c-text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0 0 14px;
  flex: 1;
}
.pt-card .btn {
  align-self: flex-start;
  font-size: 0.88rem;
  padding: 8px 16px;
}
.pt-meta, .pt-soon {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--c-text-mute);
  border-top: 1px dashed var(--c-border);
  padding-top: 10px;
}
.pt-soon { color: var(--c-warm, #a4731c); }

/* mini inline forms */
.pt-mini-form {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.pt-mini-form input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-size: 0.88rem;
  font-family: var(--font-sys);
}
.pt-mini-form input:focus {
  outline: none;
  border-color: var(--c-brand);
}
.pt-mini-form .btn {
  padding: 8px 14px;
  font-size: 0.85rem;
}
.pt-form-ok {
  display: inline-block;
  color: var(--c-success, #059669);
  font-size: 0.92rem;
  padding: 8px 0;
}
.pt-form-soon {
  display: inline-block;
  color: var(--c-warm, #a4731c);
  font-size: 0.88rem;
  padding: 8px 0;
}
.pt-form-err {
  display: inline-block;
  color: #b91c1c;
  font-size: 0.88rem;
  padding: 8px 0;
}

/* ── howto / ledger explanation ─────────────────────── */
.pt-howto {
  background: white;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 24px 28px;
}
.pt-howto-row {
  display: flex;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-border);
}
.pt-howto-row:last-child { border-bottom: none; }
.pt-howto-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-brand);
  flex-shrink: 0;
  width: 36px;
}
.pt-howto-row h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
}
.pt-howto-row p {
  margin: 0;
  color: var(--c-text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}