/**
 * GP Teacher — full-page open-signup shell (domain-owned).
 * Form chrome: /signup/form.css (.utarus-signup).
 */

.gp-signup {
  --ink: #ecfdf5;
  --muted: #99f6e4;
  --deep: #042f2e;
  --panel: #134e4a;
  --accent: #0f766e;
  --accent-soft: #5eead4;
  --card: #f8fafc;
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background:
    radial-gradient(900px 480px at 12% -10%, rgb(13 148 136 / 0.32) 0%, transparent 55%),
    radial-gradient(700px 420px at 90% 100%, rgb(15 118 110 / 0.18) 0%, transparent 50%),
    var(--deep);
  color: var(--ink);
}

.gp-signup__layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 0;
}

.gp-signup__marketing {
  padding: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgb(153 246 228 / 0.15);
}

.gp-signup__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.gp-signup__brand {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 3.9rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  background: linear-gradient(120deg, #fff 10%, #99f6e4 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gp-signup__lead {
  margin: 1.2rem 0 0;
  max-width: 32rem;
  font-size: 1.08rem;
  line-height: 1.55;
  color: rgb(236 253 245 / 0.92);
}

.gp-signup__points {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 34rem;
}

.gp-signup__points li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.15rem;
  border-bottom: 1px solid rgb(153 246 228 / 0.12);
  font-size: 0.92rem;
  line-height: 1.45;
  color: rgb(153 246 228 / 0.78);
}

.gp-signup__points li:last-child {
  border-bottom: none;
}

.gp-signup__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--accent-soft);
  box-shadow: 0 0 10px rgb(45 212 191 / 0.7);
}

.gp-signup__points strong {
  display: block;
  margin-bottom: 0.15rem;
  color: #ecfdf5;
  font-size: 0.88rem;
  font-weight: 600;
}

.gp-signup__hint {
  margin: 1.75rem 0 0;
  max-width: 32rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgb(153 246 228 / 0.75);
}

.gp-signup__hint a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgb(94 234 212 / 0.35);
}

.gp-signup__hint a:hover {
  color: #fff;
  border-bottom-color: rgb(255 255 255 / 0.45);
}

.gp-signup__form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(165deg, #f1f5f9 0%, #e2e8f0 45%, #f8fafc 100%);
}

.gp-signup__form-panel #utarus-signup-root {
  width: 100%;
  max-width: 24rem;
  display: flex;
  justify-content: center;
}

@media (max-width: 860px) {
  .gp-signup__layout {
    grid-template-columns: 1fr;
  }

  .gp-signup__marketing {
    border-right: none;
    border-bottom: 1px solid rgb(153 246 228 / 0.15);
    padding-bottom: 2rem;
  }

  .gp-signup__form-panel {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
  }
}