:root {
  --night: #071e2d;
  --night-soft: #0e3446;
  --glass: rgba(7, 24, 35, 0.86);
  --line: rgba(126, 222, 255, 0.5);
  --blue: #61d5ff;
  --blue-light: #b6f2ff;
  --ink: #effcff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 1rem 0 2.5rem;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(81, 212, 255, 0.25), transparent 22rem),
    radial-gradient(circle at 88% 78%, rgba(36, 122, 177, 0.34), transparent 24rem),
    linear-gradient(135deg, #04131e, var(--night) 52%, #092c3f);
  background-attachment: fixed;
  font-family: "Comic Sans MS", "Chalkboard SE", cursive;
  font-size: 15px;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image: radial-gradient(rgba(191, 244, 255, 0.25) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 85%);
}

a {
  color: var(--blue);
  font-weight: bold;
  text-decoration-color: rgba(97, 213, 255, 0.65);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--blue-light);
}

a:focus-visible {
  outline: 3px solid #fff7a6;
  outline-offset: 4px;
}

.main {
  width: min(720px, calc(100% - 2.5rem));
  margin: 1.5rem auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(11, 43, 58, 0.94), var(--glass));
  box-shadow: 0 0 0 4px rgba(97, 213, 255, 0.06), 0 16px 42px rgba(0, 0, 0, 0.4), 0 0 20px rgba(66, 198, 255, 0.24);
}

.main-inner {
  padding: 1.45rem;
}

.main h1 {
  margin: 0 0 0.55rem;
  color: var(--blue-light);
  font-size: clamp(1.65rem, 4vw, 2.3rem);
  line-height: 1.1;
  text-shadow: 0 0 15px rgba(97, 213, 255, 0.3);
}

.main p:last-child {
  margin-bottom: 0;
}

.main img {
  max-width: 100%;
  height: auto;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.85rem 1.15rem 1.1rem;
  border-top: 1px solid rgba(182, 242, 255, 0.18);
  background: rgba(92, 189, 224, 0.08);
}

.link-first,
.link,
.link-last {
  display: contents;
}

.links a {
  padding: 0.38rem 0.65rem;
  border: 1px solid rgba(117, 214, 247, 0.45);
  border-radius: 999px;
  background: rgba(8, 39, 55, 0.6);
  text-decoration: none;
}

.links a:hover {
  background: rgba(97, 213, 255, 0.18);
  box-shadow: 0 0 13px rgba(97, 213, 255, 0.18);
}

.footer {
  width: min(720px, calc(100% - 2.5rem));
  margin: -0.4rem auto 0;
  color: rgba(239, 252, 255, 0.75);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 560px) {
  body {
    padding-top: 0.25rem;
    font-size: 14px;
  }

  .main,
  .footer {
    width: min(100% - 1.25rem, 720px);
  }

  .main-inner {
    padding: 1.1rem;
  }

  .links {
    gap: 0.35rem;
    padding: 0.7rem;
  }

  .links a {
    padding: 0.32rem 0.52rem;
    font-size: 0.82rem;
  }
}