html {
  min-height: 100%;
  background: #f4f8f6;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(31, 59, 109, 0.94), rgba(31, 122, 63, 0.72)),
    url("/brand/banner%20premio.jpg") center / cover no-repeat;
  color: #16352b;
  font-family: Montserrat, Poppins, "Segoe UI", Arial, sans-serif;
}

.auth-start-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px;
}

.auth-start-card {
  width: min(92vw, 520px);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 32px 80px rgba(10, 35, 62, 0.28);
  padding: 38px;
  text-align: center;
}

.auth-start-logo {
  display: block;
  width: min(310px, 74vw);
  height: auto;
  margin: 0 auto 28px;
}

.auth-start-spinner {
  width: 54px;
  height: 54px;
  margin: 0 auto 22px;
  border: 5px solid #d8eee1;
  border-top-color: #1f7a3f;
  border-radius: 999px;
  animation: auth-start-spin 0.9s linear infinite;
}

.auth-start-kicker {
  margin: 0 0 10px;
  color: #1f7a3f;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.auth-start-card h1 {
  margin: 0;
  color: #153959;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.12;
}

.auth-start-copy {
  margin: 18px auto 0;
  max-width: 390px;
  color: #38564b;
  font-size: 1rem;
  line-height: 1.65;
}

.auth-start-shell form {
  margin-top: 22px;
}

.auth-start-button {
  min-width: 190px;
  border: 0;
  border-radius: 999px;
  background: #1f7a3f;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 13px 24px;
  box-shadow: 0 16px 32px rgba(31, 122, 63, 0.26);
}

.auth-start-button:hover {
  background: #176433;
}

@keyframes auth-start-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 560px) {
  .auth-start-shell {
    padding: 22px;
  }

  .auth-start-card {
    border-radius: 22px;
    padding: 30px 22px;
  }
}