body { display: flex; flex-direction: column; min-height: 100vh; }
.stf-main { flex: 1; padding: 56px 16px 80px; }
.stf-wrap { max-width: 1000px; margin: 0 auto; display: grid; gap: 28px; }

.stf-hero { text-align: center; padding: 8px 0 4px; }
.stf-eyebrow { color: var(--yellow); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 10px; }
.stf-title { font: 800 clamp(32px, 6vw, 52px)/1.05 'Archivo', 'Inter', sans-serif; letter-spacing: -.03em; margin: 0 0 14px; }
.stf-sub { color: var(--text-2); max-width: 58ch; margin: 0 auto 22px; line-height: 1.6; }

.stf-roles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.stf-role {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 12px; position: relative;
}
.stf-role-top { display: flex; align-items: center; gap: 10px; }
.stf-step {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; flex: none;
  background: var(--acc-soft); border: 1px solid var(--acc-line); color: var(--yellow); font-weight: 800; font-size: 13px;
}
.stf-role h2 { font: 800 19px/1.2 'Archivo', 'Inter', sans-serif; margin: 0; letter-spacing: -.01em; }
.stf-role-note { color: var(--muted); font-size: 12.5px; margin: -6px 0 0; }
.stf-reqs { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.stf-reqs li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-2); line-height: 1.45; }
.stf-reqs li::before {
  content: ''; flex: none; width: 7px; height: 7px; border-radius: 2px; margin-top: 7px; background: var(--yellow);
}
.stf-num { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
.stf-none { color: var(--muted); font-size: 13px; }
.stf-loading, .stf-load-err { color: var(--muted); text-align: center; grid-column: 1 / -1; }

.stf-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 26px 24px; }
.stf-h2 { font: 800 22px/1.2 'Archivo', 'Inter', sans-serif; margin: 0 0 8px; letter-spacing: -.02em; }
.stf-muted { color: var(--text-2); margin: 0 0 12px; line-height: 1.6; font-size: 14.5px; }
.stf-muted a { color: var(--yellow); }
.stf-list { margin: 4px 0 14px; padding-left: 20px; display: grid; gap: 8px; color: var(--text-2); font-size: 14.5px; line-height: 1.55; }
.stf-list b { color: var(--text); }

.stf-form { margin-top: 8px; }
.stf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.stf-span { grid-column: 1 / -1; }
.stf-field { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-2); }
.stf-field em { font-style: normal; font-weight: 500; color: var(--muted); }
.stf-field input, .stf-field select, .stf-field textarea {
  width: 100%; box-sizing: border-box; font: inherit; font-weight: 500; font-size: 14.5px; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--border-str); border-radius: 10px; padding: 11px 12px;
}
.stf-field textarea { resize: vertical; min-height: 84px; }
.stf-field input:focus, .stf-field select:focus, .stf-field textarea:focus { outline: none; border-color: var(--acc-line); box-shadow: 0 0 0 3px var(--acc-soft); }
.stf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.stf-error { color: var(--red); font-size: 14px; margin: 14px 0 0; }
.stf-form .btn { margin-top: 18px; }
.stf-done h3 { margin: 6px 0 6px; font-size: 18px; color: var(--green); }

@media (max-width: 640px) {
  .stf-main { padding-top: 36px; }
  .stf-grid { grid-template-columns: 1fr; }
  .stf-card { padding: 22px 16px; }
}