* { box-sizing: border-box; }
:root {
  --gb-primary: #1f2937;
  --gb-accent: #f97316;
  --gb-bg: #f6f7fb;
  --gb-card: #ffffff;
  --gb-text: #111827;
  --gb-muted: #6b7280;
  --gb-border: #d9dee8;
  --gb-error: #b42318;
  --gb-success: #067647;
}
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #fff7ed 0, transparent 35%), var(--gb-bg);
  color: var(--gb-text);
}
.gb-page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}
.gb-card {
  width: min(760px, 100%);
  background: var(--gb-card);
  border: 1px solid rgba(31, 41, 55, .08);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(17, 24, 39, .12);
  padding: clamp(24px, 4vw, 42px);
}
.gb-brand-row { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 28px; }
.gb-logo { width: 120px; max-height: 54px; object-fit: contain; }
.gb-kicker {
  margin: 0 0 8px;
  color: var(--gb-accent);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}
h1 { margin: 0; line-height: 1.05; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.04em; }
.gb-intro { color: var(--gb-muted); font-size: 17px; line-height: 1.55; max-width: 620px; }
.gb-section { border-top: 1px solid var(--gb-border); padding-top: 22px; margin-top: 22px; }
h2 { font-size: 16px; margin: 0 0 16px; }
.gb-grid { display: grid; gap: 16px; }
.gb-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gb-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
label { font-weight: 750; font-size: 14px; }
label span { color: var(--gb-error); }
input, select {
  width: 100%;
  border: 1px solid var(--gb-border);
  border-radius: 13px;
  padding: 13px 14px;
  font: inherit;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--gb-accent);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, .14);
}
small, .gb-disclaimer { color: var(--gb-muted); line-height: 1.45; }
.gb-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--gb-border);
  border-radius: 14px;
  background: #fafafa;
}
.gb-check input { width: 18px; margin-top: 2px; }
.gb-message {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  font-weight: 700;
}
.gb-message.success { background: #ecfdf3; color: var(--gb-success); }
.gb-message.error { background: #fef3f2; color: var(--gb-error); }
.gb-actions { display: flex; gap: 12px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  font-weight: 850;
  font-size: 15px;
  background: var(--gb-primary);
  color: white;
  box-shadow: 0 12px 24px rgba(31, 41, 55, .18);
}
button:hover { transform: translateY(-1px); }
button:disabled { opacity: .65; cursor: wait; transform: none; }
.gb-secondary { background: white; color: var(--gb-primary); border: 1px solid var(--gb-border); box-shadow: none; }
.gb-disclaimer { font-size: 13px; margin: 18px 0 0; }
@media (max-width: 680px) {
  .gb-grid.two { grid-template-columns: 1fr; }
  .gb-card { border-radius: 18px; }
}