:root {
  color: #172033;
  background: #f7f8fb;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

.entry-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 30px;
  background:
    radial-gradient(circle at 18% 12%, rgb(76 109 245 / 10%), transparent 31rem),
    radial-gradient(circle at 84% 86%, rgb(238 180 52 / 10%), transparent 28rem),
    #f7f8fb;
}

.entry-page::before {
  position: fixed;
  inset: 18px;
  pointer-events: none;
  content: "";
  border: 1px solid rgb(23 32 51 / 8%);
  border-radius: 24px;
}

.access-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 390px);
  min-height: 470px;
  align-items: center;
  justify-content: center;
  padding: 54px 46px 44px;
  overflow: hidden;
  text-align: center;
  background: rgb(255 255 255 / 84%);
  border: 1px solid rgb(23 32 51 / 9%);
  border-radius: 28px;
  box-shadow: 0 30px 90px rgb(30 43 75 / 10%);
  backdrop-filter: blur(18px);
}

.access-card::after {
  position: absolute;
  right: -45px;
  bottom: -55px;
  width: 150px;
  height: 150px;
  content: "";
  background: rgb(76 109 245 / 8%);
  border-radius: 50%;
}

.brand-mark {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  background: #fff;
  border: 1px solid rgb(23 32 51 / 8%);
  border-radius: 24px;
  box-shadow: 0 14px 34px rgb(30 43 75 / 10%);
}

.brand-mark img { width: 54px; height: 54px; object-fit: contain; }

.brand-name {
  margin: 22px 0 0;
  color: #4c6df5;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.access-card h1 {
  margin: 22px 0 0;
  font-size: 31px;
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -.045em;
}

.access-copy {
  margin: 17px 0 0;
  color: #687187;
  font-size: 13px;
  line-height: 1.65;
}

.access-copy span { color: #9aa1b2; font-size: 12px; }

.github-button {
  display: flex;
  gap: 11px;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  margin-top: 34px;
  padding: 0 19px;
  color: #fff;
  background: #172033;
  border-radius: 12px;
  box-shadow: 0 14px 28px rgb(23 32 51 / 16%);
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease;
}

.github-button:hover { background: #29344a; transform: translateY(-2px); }

.access-note {
  margin: 17px 0 0;
  color: #adb3c0;
  font-size: 9px;
  letter-spacing: .04em;
}

.secondary-action {
  margin-top: 32px;
  color: #6e778b;
  font-size: 11px;
  text-underline-offset: 4px;
}

@media (max-width: 540px) {
  .entry-page::before { inset: 10px; border-radius: 18px; }
  .entry-page { padding: 18px; }
  .access-card { min-height: 440px; padding: 44px 28px 36px; border-radius: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  .github-button { transition: none; }
}