/*
 * /data-partners/refer — the sections between the fold and the form: the
 * four steps, the open door under the request board, the key terms. Every
 * rule has its light dress and its .is-dark one, because the page's tone
 * flow (enterprise-flow.js) turns each section dark or light as you scroll.
 */

/* ── How referrals work: four steps on one hairline ──────────────────────── */
.rf-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 clamp(20px, 3vw, 40px);
  margin-top: clamp(48px, 7vw, 96px);
}
.rf-step {
  position: relative;
}
/* The hairline from this glyph to the next one. */
.rf-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 24px;
  left: 64px;
  right: calc(-1 * clamp(20px, 3vw, 40px) + 16px);
  height: 1px;
  background: var(--line-strong);
}
.rf-step-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--ink-strong);
}
.rf-step-mark svg {
  width: 20px;
  height: 20px;
}
.rf-step-n {
  display: block;
  margin-top: 22px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-subtle);
  font-variant-numeric: tabular-nums;
}
.rf-step-title {
  margin-top: 6px;
  font-size: clamp(19px, 1.7vw, 22px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink-strong);
}
.rf-step-line {
  margin-top: 8px;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ink-muted);
  max-width: 30ch;
}
.is-dark .rf-step-mark {
  border-color: var(--line-on-ink);
  background: transparent;
  color: #fff;
}
.is-dark .rf-step:not(:last-child)::after {
  background: var(--line-on-ink);
}
.is-dark .rf-step-title {
  color: #fff;
}
.is-dark .rf-step-n,
.is-dark .rf-step-line {
  color: var(--on-ink-muted);
}
/* Phones and narrow tablets: a column, the hairline running down. */
@media (max-width: 880px) {
  .rf-steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .rf-step {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 18px;
  }
  .rf-step-mark {
    grid-row: 1 / span 3;
  }
  .rf-step-n {
    margin-top: 2px;
  }
  .rf-step:not(:last-child)::after {
    top: 56px;
    bottom: -24px;
    left: 24px;
    right: auto;
    width: 1px;
    height: auto;
  }
}

/* The open door under the grid: one line, one pill. */
.rf-unlisted {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  margin-top: clamp(32px, 4vw, 48px);
  padding-top: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--line);
}
.rf-unlisted p {
  max-width: 52ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.5;
  color: var(--ink-muted);
}
.is-dark .rf-unlisted {
  border-color: var(--line-on-ink);
}
.is-dark .rf-unlisted p {
  color: var(--on-ink-muted);
}
@media (max-width: 640px) {
  .rf-unlisted .btn {
    width: 100%;
  }
}

/* ── Key terms: three columns under a hairline ─────────────────────────── */
.rf-terms-title {
  max-width: 20ch;
}
.rf-terms-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px clamp(24px, 4vw, 56px);
  margin-top: clamp(40px, 6vw, 72px);
}
.rf-terms-group {
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}
.rf-terms-group h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-strong);
}
.rf-terms-group ul {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-top: 16px;
}
.rf-terms-group li {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-muted);
}
.is-dark .rf-terms-group {
  border-color: var(--line-on-ink);
}
.is-dark .rf-terms-group h3 {
  color: #fff;
}
.is-dark .rf-terms-group li {
  color: var(--on-ink-muted);
}
@media (max-width: 880px) {
  .rf-terms-grid {
    grid-template-columns: 1fr;
  }
}

/* ── FAQ: the landing's list, a little more air above ─────────────────── */
.rf-faq .faq-head .sec-title {
  max-width: none;
}