@font-face {
  font-family: "Site";
  src: url("/fonts/site-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Site";
  src: url("/fonts/site-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #031c28;
  --halo: #0a3548;
  --accent: #15adef;
  --ink: #f4f8fa;
  --ink-muted: #8fa6b4;
  --ink-dim: #7e97a6;
  --hairline: #14405a;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font:
    "Site", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg);
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  font-family: var(--font);
  font-weight: 400;
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(
      ellipse 130% 105% at 50% 50%,
      rgba(0, 0, 0, 0) 42%,
      rgba(0, 0, 0, 0.7) 100%
    ),
    radial-gradient(
      ellipse 900px 620px at 50% 44%,
      var(--halo) 0%,
      var(--bg) 62%
    );
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: color-mix(in srgb, var(--accent) 32%, transparent);
  color: var(--ink);
}

.grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
}

.lang {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  padding: 0.375rem 0.6875rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-decoration: none;
  transition:
    color 200ms var(--ease),
    border-color 200ms var(--ease),
    background-color 200ms var(--ease);
}

@media (hover: hover) {
  .lang:hover {
    color: var(--ink);
    border-color: var(--hairline);
    background-color: color-mix(in srgb, var(--ink) 6%, transparent);
  }
}

.lang:active {
  background-color: color-mix(in srgb, var(--ink) 12%, transparent);
  transition-duration: 60ms;
}

.lang:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  color: var(--ink);
}

main {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 34rem;
}

.mark {
  display: block;
  margin: 0 auto 2.25rem;
  width: 48px;
  height: 48px;
  fill: var(--accent);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 7.5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.role {
  margin: 0 0 2rem;
  font-size: clamp(0.9375rem, 3.5vw, 1rem);
  color: var(--accent);
}

.intro {
  margin: 0 auto 2.75rem;
  max-width: 26rem;
  font-size: clamp(0.9375rem, 3.5vw, 1rem);
  line-height: 1.6;
  color: var(--ink-dim);
  text-wrap: balance;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.625rem;
}

.links a {
  display: inline-block;
  padding: 0.5rem 1.0625rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 0.875rem;
  letter-spacing: 0.012em;
  color: var(--ink-muted);
  background-color: transparent;
  text-decoration: none;
  transition:
    color 200ms var(--ease),
    border-color 200ms var(--ease),
    background-color 200ms var(--ease),
    box-shadow 200ms var(--ease),
    transform 200ms var(--ease);
}

@media (hover: hover) {
  .links a:hover {
    color: var(--ink);
    border-color: var(--accent);
    background-color: color-mix(in srgb, var(--accent) 10%, transparent);
    box-shadow: 0 6px 20px -8px
      color-mix(in srgb, var(--accent) 45%, transparent);
  }
}

.links a:active {
  color: var(--ink);
  border-color: var(--accent);
  background-color: color-mix(in srgb, var(--accent) 20%, transparent);
  box-shadow: none;
  transition-duration: 60ms;
}

.links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  color: var(--ink);
  border-color: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  @media (hover: hover) {
    .links a:hover {
      transform: translateY(-2px);
    }
  }

  .links a:active {
    transform: translateY(0);
  }

  main > * {
    animation: rise 700ms var(--ease) both;
  }
  main > *:nth-child(2) {
    animation-delay: 70ms;
  }
  main > *:nth-child(3) {
    animation-delay: 110ms;
  }
  main > *:nth-child(4) {
    animation-delay: 150ms;
  }
  main > *:nth-child(5) {
    animation-delay: 190ms;
  }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}