@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/inter.woff2") format("woff2");
}

:root {
  --background: #05070d;
  --body: #b9c0d4;
  --heading: #f7f8fb;
  --primary: #33f078;
  --secondary: #5e8cff;
  --surface: rgba(185, 192, 212, 0.08);
  --border: rgba(185, 192, 212, 0.24);
  --shadow: 0 0 5px var(--primary);
  --shadow-hover: inset 0 0 5px var(--secondary);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(51, 240, 120, 0.08), transparent 28rem),
    var(--background);
  color: var(--body);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

svg {
  display: block;
  fill: currentColor;
}

.site-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  overflow-x: hidden;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
  padding: 1.25rem 0;
  position: relative;
  z-index: 5;
}

.brand,
.site-nav,
.nav-group,
.social-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.65rem;
  color: var(--heading);
  font-size: 1.15rem;
  font-weight: 500;
  white-space: nowrap;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
}

.site-nav {
  justify-content: center;
  gap: 1.45rem;
  font-size: 1rem;
}

.site-nav a {
  transition: color 160ms ease, opacity 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav [aria-current="page"] {
  color: var(--primary);
}

.nav-group {
  position: relative;
  padding: 0.4rem 0;
}

.nav-group > a::after {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.45rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-0.16rem) rotate(45deg);
}

.submenu {
  position: absolute;
  top: 100%;
  right: 0;
  display: grid;
  gap: 0.35rem;
  min-width: 13rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(5, 7, 13, 0.95);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.submenu a {
  padding: 0.4rem 0.55rem;
  border-radius: 6px;
}

.submenu a:hover,
.submenu a:focus-visible {
  background: var(--surface);
}

.nav-group:hover .submenu,
.nav-group:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.menu-button {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--heading);
  cursor: pointer;
}

.menu-button svg {
  width: 1.75rem;
  height: 1.75rem;
}

.site-main {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: 3.1rem 0 0;
}

.toolbox-card {
  display: grid;
  grid-template-columns: 1fr minmax(10rem, 0.75fr);
  align-items: center;
  gap: 1.25rem;
  width: min(100%, 650px);
  margin: 0 auto;
  padding: 1rem;
  border: 1px solid var(--primary);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: box-shadow 180ms ease;
}

.toolbox-card:hover {
  box-shadow: var(--shadow-hover);
}

h1,
h2 {
  color: var(--heading);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  margin: 0;
  text-align: center;
  font-size: clamp(2rem, 6vw, 3rem);
}

h2 {
  margin: 0 0 1.5rem;
  text-align: center;
  font-size: 1rem;
}

.button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  width: 100%;
  border-radius: 999px;
  line-height: 1.2;
  text-align: center;
  transition: opacity 160ms ease, color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible,
.social-links a:hover,
.social-links a:focus-visible {
  opacity: 0.82;
}

.button-outline {
  max-width: 12rem;
  justify-self: center;
  border: 2px solid currentColor;
  color: var(--secondary);
  background: transparent;
  padding: 0.75rem 1.2rem;
}

.intro {
  max-width: 760px;
  margin: 1.6rem auto 0;
  text-align: center;
}

hr {
  width: 100%;
  margin: 3rem 0 1.25rem;
  border: 0;
  border-top: 2px solid var(--border);
}

.quick-links {
  display: grid;
  gap: 1.5rem;
}

.link-grid {
  display: grid;
  gap: 1.5rem;
}

.link-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.link-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.link-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ghost-button {
  position: relative;
  min-width: 0;
  padding: 0.9rem 1.2rem;
  color: var(--body);
  z-index: 0;
}

.ghost-button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0.1;
  z-index: -1;
}

.site-footer {
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
  padding: 5.2rem 0 3rem;
  text-align: center;
}

.social-links {
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.social-links a {
  color: var(--body);
  transition: opacity 160ms ease;
}

.social-links svg {
  width: 30px;
  height: 30px;
}

.site-footer p {
  margin: 0;
  font-size: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 781px) {
  .site-header {
    align-items: flex-start;
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% - 0.5rem);
    left: 0;
    right: 0;
    display: none;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(5, 7, 13, 0.98);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  }

  .site-nav.is-open {
    display: grid;
    gap: 1rem;
  }

  .nav-group {
    display: grid;
    width: 100%;
    gap: 0.65rem;
    padding: 0;
  }

  .submenu {
    position: static;
    min-width: 0;
    padding: 0 0 0 1rem;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-main {
    padding-top: 2.75rem;
  }

  .toolbox-card,
  .link-grid.two,
  .link-grid.three,
  .link-grid.four {
    grid-template-columns: 1fr;
  }
}