:root {
  --bg: #070b10;
  --text: #dce8ea;
  --muted: #7d969b;
  --line: #1c3d44;
  --grid: rgba(62, 200, 208, 0.08);
  --accent: #3ec8d0;
  --accent-dim: #1a6e74;
  --glow: rgba(62, 200, 208, 0.28);
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: clamp(1.05rem, 0.4vw + 1rem, 1.125rem);
  line-height: 1.7;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 3px,
    rgba(62, 200, 208, 0.03) 3px,
    rgba(62, 200, 208, 0.03) 4px
  );
}

body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  left: -10%;
  right: -10%;
  bottom: -8%;
  height: 22vh;
  z-index: 0;
  background:
    linear-gradient(to top, var(--bg) 8%, transparent 70%),
    repeating-linear-gradient(
      to right,
      transparent 0 31px,
      rgba(62, 200, 208, 0.16) 31px 32px
    ),
    repeating-linear-gradient(
      to bottom,
      transparent 0 31px,
      rgba(62, 200, 208, 0.16) 31px 32px
    );
  transform: perspective(280px) rotateX(56deg);
  transform-origin: bottom center;
  opacity: 0.45;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 3;
  padding: 0.4rem 0.65rem;
  background: var(--bg);
  color: var(--text);
  transform: translateY(-8rem);
}

.skip:focus {
  transform: none;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 640px) {
  .wrap {
    padding-inline: 2.75rem;
  }
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  padding-block: 1.4rem 1.5rem;
  border-bottom: 1px solid var(--accent);
  box-shadow: 0 1px 0 var(--accent-dim), 0 12px 32px var(--glow);
}

.brand,
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
}

main {
  padding-block: 3.75rem 1.25rem;
}

h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.9rem, 2.4vw + 1.4rem, 2.6rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.15;
  text-shadow: 0 0 28px var(--glow);
}

h1::after {
  content: "";
  display: block;
  width: 4.75rem;
  height: 2px;
  margin-top: 1rem;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.lead {
  margin: 0 0 2.25rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

h2 {
  margin: 4.25rem 0 1.15rem;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: var(--accent);
}

h2:first-child {
  margin-top: 0;
}

p {
  margin: 0 0 1.2rem;
}

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

a:hover {
  color: var(--accent);
  text-decoration-thickness: 2px;
}

a:focus-visible,
.skip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

dl {
  margin: 0;
}

dt {
  margin-top: 2rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

dt:first-child {
  margin-top: 0;
}

dd {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

ul {
  margin: 0;
  padding-left: 1.15rem;
}

li + li {
  margin-top: 0.7rem;
}

.contact {
  list-style: none;
  padding: 0;
}

.contact li {
  margin-top: 0.15rem;
}

.contact a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}

.fine {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
}

address {
  font-style: normal;
  line-height: 1.85;
}

footer {
  margin-top: 5rem;
  padding-block: 1.75rem 3.25rem;
  border-top: 1px solid var(--accent);
  box-shadow: 0 -1px 0 var(--accent-dim), 0 -12px 32px var(--glow);
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

footer p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  body::before,
  body::after {
    display: none;
  }

  h1 {
    text-shadow: none;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::before,
  body::after {
    display: none;
  }

  .skip,
  .nav-link {
    display: none;
  }

  header,
  footer {
    border-color: #ccc;
    box-shadow: none;
  }

  h1 {
    text-shadow: none;
  }

  h1::after,
  h2 {
    color: #000;
    box-shadow: none;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
    color: #333;
  }
}