/* Keep the introduction and sign-in form side by side on desktop screens. */
@media (min-width: 960px) {
  .login-page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr);
    align-items: center;
    min-height: 100dvh;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background:
      radial-gradient(ellipse at 9% 84%, rgba(64, 148, 209, .48), transparent 38%),
      radial-gradient(ellipse at 92% 10%, rgba(36, 181, 170, .42), transparent 35%),
      radial-gradient(ellipse at 50% 24%, rgba(255, 255, 255, .14), transparent 35%),
      linear-gradient(125deg, #061a32 8%, #103e6b 57%, #072940);
  }

  .login-page::before {
    content: "";
    position: absolute;
    inset: -18%;
    z-index: -1;
    pointer-events: none;
    background:
      radial-gradient(ellipse at 37% 28%, rgba(255, 255, 255, .2), transparent 25%),
      radial-gradient(ellipse at 7% 75%, rgba(102, 211, 161, .2), transparent 31%),
      radial-gradient(ellipse at 85% 78%, rgba(48, 182, 226, .18), transparent 30%);
    animation: login-glow 18s ease-in-out infinite alternate;
  }

  @keyframes login-glow {
    to { transform: translate3d(4%, -3%, 0) scale(1.08); }
  }

  @media (prefers-reduced-motion: reduce) {
    .login-page::before { animation: none; }
  }

  .login-hero {
    display: flex;
    align-items: center;
    min-height: 100dvh;
    padding: 48px 28px 48px clamp(42px, 8vw, 120px);
    background: transparent;
  }

  .login-hero .hero-inner {
    max-width: 650px;
    margin: 0;
    position: relative;
    z-index: 1;
  }

  .login-hero h1 {
    font-size: clamp(40px, 4.8vw, 64px);
  }

  .login-wrap {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
    padding: 32px clamp(24px, 4vw, 64px) 32px 12px;
    z-index: 1;
  }
}

.hero-lockup {
  width: min(100%, 480px);
  margin-top: 30px;
  padding: 16px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 16px 42px rgba(1, 18, 38, .22);
}

.hero-lockup img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 959px) {
  .hero-lockup { display: none; }
}