:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --text: #0f172a;
  --text-soft: #475569;
  --border: #e2e8f0;
  --primary: #047857;
  --primary-hover: #065f46;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --danger-bg: #fff1f2;
  --danger-text: #be123c;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(4, 120, 87, 0.12), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.kc-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.kc-header,
.kc-footer,
.kc-stage {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
}

.kc-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
}

.kc-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  font-weight: 700;
}

.kc-brand img {
  width: 32px;
  height: 32px;
}

.kc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.kc-main {
  flex: 1;
  display: grid;
  align-items: center;
  padding: 24px 0 48px;
}

.kc-stage {
  display: grid;
  gap: 32px;
  align-items: center;
}

.kc-copy {
  max-width: 540px;
}

.kc-eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kc-copy h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
}

.kc-copy p {
  margin: 16px 0 0;
  color: var(--text-soft);
  font-size: 1.05rem;
  line-height: 1.7;
}

.kc-card {
  width: min(520px, 100%);
  justify-self: end;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.kc-form {
  display: grid;
  gap: 16px;
}

.kc-field {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

.kc-field input {
  min-height: 44px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.kc-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.12);
}

.kc-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.kc-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.kc-button:hover {
  background: var(--primary-hover);
}

.kc-alert {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

.kc-alert-error {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.kc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.kc-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0 0 24px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

@media (min-width: 900px) {
  .kc-stage {
    grid-template-columns: minmax(0, 1.1fr) minmax(380px, 460px);
  }
}

@media (max-width: 899px) {
  .kc-card {
    justify-self: stretch;
  }
}