:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: #132c48; background: #eef8ff; }
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0 18px 36px;
  background: #eff8ff url("/brand/background-login.webp") center / cover fixed no-repeat;
}
.brand-header {
  width: min(1100px, 100%);
  min-height: 118px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.brand-header img { display: block; max-width: 100%; height: auto; object-fit: contain; }
.brand-astra { width: 150px; justify-self: start; }
.brand-70 { width: 82px; justify-self: center; }
.brand-satu { width: 145px; justify-self: end; }
.panel {
  width: min(680px, 100%);
  margin: clamp(18px, 5vh, 56px) auto 0;
  padding: clamp(26px, 5vw, 44px);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 20px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 18px 50px rgba(7, 29, 73, .16);
  backdrop-filter: blur(8px);
}
.acmu-logo { display: block; width: min(220px, 52%); height: auto; margin: 0 auto 18px; }
.eyebrow { margin: 0; color: #1364a3; font-size: .82rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 10px 0 0; color: #123f6d; font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.16; }
.message { margin: 18px 0 0; color: #263b53; font-size: 1.08rem; font-weight: 600; line-height: 1.65; }
.signoff { max-width: 560px; margin: 12px auto 0; color: #52677c; line-height: 1.65; }
@media (max-width: 560px) {
  .brand-header { min-height: 92px; gap: 14px; }
  .brand-astra { width: 112px; }
  .brand-70 { width: 62px; }
  .brand-satu { width: 104px; }
  .panel { margin-top: 16px; }
}