.cust-login-stage {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
  gap: 3rem;
  padding: 3rem 6vw;
  min-height: 520px;
  background-color: #12331e;
  background-image:
    linear-gradient(rgba(18, 51, 30, 0.45), rgba(18, 51, 30, 0.45)),
    url("../img/poultry-farm-bg.jpg");
  background-size: cover;
  background-position: center;
}

.cust-login-stage-single {
  grid-template-columns: minmax(280px, 460px);
  justify-content: center;
}

.cust-login-welcome h1 {
  margin: 0;
  color: var(--cust-welcome);
  font-size: clamp(2rem, 3.3vw, 3.15rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.cust-login-welcome h1 span {
  display: block;
  font-weight: 500;
}

.cust-login-welcome p {
  margin: 1.1rem 0 0;
  max-width: 28rem;
  color: #f7faf7;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.45;
}

.cust-login-mark {
  display: block;
  width: min(168px, 28vw);
  height: auto;
  margin-top: 1.8rem;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.18));
}

.cust-login-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0, 30, 12, 0.32);
}

.cust-login-card-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 118px;
  padding: 1.35rem 1.5rem 1.7rem;
  color: #fff;
  background: #1b5e28 url("../img/card-top.jpg") center bottom / cover no-repeat;
}

.cust-login-card-head img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.cust-login-card-head h2 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.15;
}

.cust-login-card-head p {
  margin: 0.28rem 0 0;
  color: #d7f3d4;
  font-size: 0.84rem;
  line-height: 1.3;
}

.cust-login-card-body {
  padding: 1.6rem 1.6rem 1.7rem;
}

.cust-login-card-body h3 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
}

.cust-login-lead {
  margin: 0.25rem 0 1.15rem;
  color: var(--cust-muted);
  font-size: 0.95rem;
}

.cust-field {
  margin-bottom: 0.9rem;
}

.cust-field input {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--cust-input-border);
  border-radius: 8px;
  background: var(--cust-input);
  color: var(--cust-ink);
  font: inherit;
  font-size: 1rem;
}

.cust-field input::placeholder {
  color: #8a8f96;
}

.cust-field input:focus {
  outline: none;
  background: #fff;
  border-color: var(--cust-card-mid);
  box-shadow: 0 0 0 0.2rem rgba(36, 128, 58, 0.18);
}

.cust-login-submit {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  min-height: 48px;
  padding: 0.7rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--cust-card);
  color: #fff;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.cust-login-submit:hover,
.cust-login-submit:focus {
  background: var(--cust-card-mid);
  color: #fff;
}

.cust-login-submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.cust-login-back {
  margin-top: 0.4rem;
}

.cust-login-forgot {
  display: block;
  margin-top: 0.95rem;
  text-align: center;
  color: var(--cust-link);
  font-size: 0.95rem;
  text-decoration: none;
}

.cust-login-forgot:hover,
.cust-login-forgot:focus {
  color: var(--cust-card);
  text-decoration: underline;
}

.cust-login-alert {
  display: none;
  margin: 0 0 0.9rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid #f1c1c1;
  border-radius: 8px;
  background: #fdecec;
  color: #8a1f1f;
  font-size: 0.92rem;
}

.cust-login-alert.is-visible {
  display: block;
}

@media (max-width: 900px) {
  .cust-login-stage {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.75rem 1.1rem 2rem;
    min-height: 0;
  }

  .cust-login-welcome h1 {
    font-size: 2rem;
  }

  .cust-login-mark {
    width: 92px;
    margin-top: 1rem;
  }
}