:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background: #f4f8ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.98) 0 18%, rgba(230, 241, 255, 0.76) 52%, transparent 72%),
    linear-gradient(135deg, #f8fbff 0%, #e7f1ff 52%, #f7fbff 100%);
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  content: "";
  filter: blur(8px);
  opacity: 0.32;
}

body::before {
  top: -20rem;
  right: -12rem;
  background: #42bdeb;
}

body::after {
  bottom: -23rem;
  left: -12rem;
  background: #264bb9;
}

.brand {
  position: fixed;
  top: clamp(1.25rem, 3.2vw, 2.5rem);
  left: clamp(1.25rem, 4vw, 3.5rem);
}

.brand img {
  display: block;
  width: clamp(4rem, 7vw, 5.75rem);
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(17, 66, 151, 0.2));
}

.entrances {
  display: grid;
  grid-template-columns: repeat(2, minmax(15rem, 20rem));
  justify-content: center;
  align-items: center;
  gap: clamp(2rem, 6vw, 5.5rem);
  min-height: 100vh;
  padding: 8rem 2rem 3rem;
}

.entrance {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 0.5rem;
  color: #17243a;
  text-decoration: none;
  box-shadow: 0 24px 55px rgba(18, 58, 126, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.entrance--yellow {
  background: linear-gradient(145deg, #ceeefb 0%, #7cd0f2 30%, #0080cd 68%, #0050b0 100%);
}

.entrance--svp {
  background: linear-gradient(215deg, #ceeefb 0%, #7cd0f2 30%, #0080cd 68%, #0050b0 100%);
}

.entrance:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 30px 65px rgba(18, 58, 126, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.42);
  filter: saturate(1.06);
}

.entrance:focus-visible {
  outline: 4px solid rgba(14, 66, 172, 0.42);
  outline-offset: 5px;
}

.icon-shell {
  display: grid;
  width: 9.5rem;
  height: 9.5rem;
  place-items: center;
  overflow: hidden;
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 15px 26px rgba(38, 70, 129, 0.23);
}

.icon-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entrance-label {
  font-size: clamp(1.35rem, 1.9vw, 1.65rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.32);
}

.speed-test {
  position: fixed;
  right: clamp(1.25rem, 3vw, 2.5rem);
  bottom: clamp(1.1rem, 2.5vw, 2rem);
  color: #003090;
  font-size: 0.9rem;
  text-underline-offset: 0.22em;
  opacity: 0.72;
  transition: opacity 160ms ease;
}

.speed-test:hover,
.speed-test:focus-visible {
  opacity: 1;
}

@media (max-width: 680px) {
  .brand {
    position: absolute;
  }

  .entrances {
    grid-template-columns: minmax(0, 20rem);
    gap: 1.4rem;
    padding: 7.5rem 1.25rem 2rem;
  }

  .entrance {
    width: 100%;
    min-height: 15rem;
    gap: 0.9rem;
  }

  .icon-shell {
    width: 7.25rem;
    height: 7.25rem;
  }
}

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