* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
.start-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
  align-items: center;
  gap: clamp(28px, 6vw, 90px);
  padding: clamp(24px, 6vw, 88px);
  background:
    linear-gradient(115deg, rgba(3, 19, 43, .97), rgba(5, 51, 92, .91)),
    radial-gradient(circle at 25% 42%, rgba(9, 186, 240, .28), transparent 34rem);
  color: white;
}
.start-brand { display: flex; align-items: center; gap: clamp(18px, 4vw, 56px); }
.start-brand img {
  width: clamp(170px, 28vw, 430px);
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 24px 46px rgba(0, 189, 255, .24));
}
.eyebrow { color: #79ddff; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.start-brand h1 { margin: 0; font-size: clamp(38px, 6vw, 80px); letter-spacing: .045em; line-height: .98; }
.slogan { margin: 18px 0 0; color: #a8e9ff; font-size: clamp(20px, 2.4vw, 34px); font-weight: 700; }
.start-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(159, 226, 249, .42);
  border-radius: 28px;
  background: rgba(247, 252, 255, .97);
  box-shadow: 0 30px 80px rgba(0, 9, 27, .38);
  color: #0b203b;
}
.start-card::after {
  content: ""; position: absolute; width: 220px; height: 220px; right: -74px; bottom: -74px;
  background: url('/brand-owl.png') center/contain no-repeat; opacity: .045; pointer-events: none;
}
.start-card > * { position: relative; z-index: 1; }
.start-card h2 { margin: 0 0 8px; font-size: 30px; }
.start-card p { color: #58728d; }
.start-card form { display: grid; gap: 18px; }
.start-card form[hidden], #start-error[hidden] { display: none; }
.start-card label { display: grid; gap: 7px; font-size: 14px; font-weight: 750; }
.start-card input { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #b9d5e5; border-radius: 11px; font: inherit; }
.start-card button { min-height: 50px; border-radius: 12px; font: inherit; font-weight: 800; cursor: pointer; }
#start-error { padding: 12px 14px; border-radius: 10px; background: #fff0f0; color: #a11c2c; }
.privacy { margin: 24px 0 0; font-size: 12px; }
@media (max-width: 1080px) {
  .start-shell { grid-template-columns: 1fr; align-content: center; padding: 22px; }
  .start-brand { justify-content: center; text-align: center; flex-direction: column; gap: 4px; }
  .start-brand img { width: min(56vw, 250px); }
  .eyebrow { margin-bottom: 10px; font-size: 12px; }
  .slogan { margin-top: 10px; }
  .start-card { width: min(100%, 520px); margin-inline: auto; border-radius: 22px; }
}