:root {
  --bg: #071019;
  --panel: #0d1924;
  --line: rgba(159, 209, 221, 0.18);
  --text: #eef7fa;
  --muted: #a9bac4;
  --cyan: #59d1e5;
  --green: #72df94;
  --orange: #f6a14d;
  --violet: #b99cff;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 0, rgba(89, 209, 229, 0.11), transparent 25%),
    linear-gradient(180deg, #071019, #04080c);
  color: var(--text);
  font-family: Poppins, sans-serif;
  line-height: 1.6;
}
a {
  color: inherit;
}
.skip-link {
  position: fixed;
  top: -70px;
  left: 14px;
  background: #fff;
  color: #111;
  padding: 12px;
  z-index: 20;
}
.skip-link:focus {
  top: 10px;
}
header {
  height: 78px;
  padding: 0 max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 25, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}
.brand span {
  display: grid;
}
.brand strong {
  font:
    700 1.1rem Orbitron,
    sans-serif;
  letter-spacing: 0.1em;
}
.brand small {
  color: var(--muted);
}
nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}
.button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), #238da3);
  color: #041116;
  font:
    700 0.92rem Poppins,
    sans-serif;
  text-decoration: none;
}
.button.small {
  min-height: 44px;
  padding: 0 17px;
}
.button.quiet {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
.hero {
  max-width: 1180px;
  margin: auto;
  padding: 105px 22px 75px;
}
.eyebrow {
  margin: 0 0 13px;
  color: var(--cyan);
  font:
    600 0.74rem Orbitron,
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1,
.section-top h2,
.boundary h2 {
  margin: 0;
  font-family: Orbitron, sans-serif;
  line-height: 1.08;
}
.hero h1 {
  max-width: 950px;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  letter-spacing: -0.05em;
}
.hero h1 span {
  color: var(--cyan);
}
.hero > p:not(.eyebrow) {
  max-width: 760px;
  color: #cad9df;
  font-size: 1.06rem;
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 25px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.84rem;
}
.legend span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.legend .now {
  background: var(--green);
}
.legend .beta {
  background: var(--orange);
}
.legend .team {
  background: var(--violet);
}
.systems {
  padding: 85px max(20px, calc((100vw - 1180px) / 2));
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}
.section-top {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 35px;
}
.section-top h2,
.boundary h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}
.filters {
  display: flex;
  gap: 7px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #08131c;
}
.filters button {
  min-height: 44px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font:
    600 0.8rem Poppins,
    sans-serif;
  cursor: pointer;
}
.filters button.active {
  background: rgba(89, 209, 229, 0.14);
  color: var(--cyan);
}
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.system-grid article {
  min-height: 330px;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  display: flex;
  flex-direction: column;
}
.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.glyph {
  font:
    700 0.78rem Orbitron,
    sans-serif;
  color: var(--muted);
}
.badge {
  padding: 6px 9px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
}
.badge.now {
  color: var(--green);
  background: rgba(114, 223, 148, 0.1);
}
.badge.beta {
  color: var(--orange);
  background: rgba(246, 161, 77, 0.1);
}
.badge.team {
  color: var(--violet);
  background: rgba(185, 156, 255, 0.1);
}
.system-grid h3 {
  margin: 27px 0 6px;
  font:
    700 1.15rem Orbitron,
    sans-serif;
}
.system-grid p,
.system-grid li {
  color: var(--muted);
  font-size: 0.84rem;
}
.system-grid ul {
  padding-left: 18px;
}
.system-grid article > a,
.card-links {
  margin-top: auto;
}
.system-grid article > a,
.card-links a {
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}
.card-links {
  display: grid;
  gap: 7px;
}
.filter-status {
  color: var(--muted);
  font-size: 0.82rem;
}
.boundary {
  max-width: 1180px;
  margin: 80px auto;
  padding: 30px;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 30px;
  align-items: center;
  border: 1px solid rgba(246, 161, 77, 0.2);
  border-radius: 22px;
  background: rgba(246, 161, 77, 0.045);
}
.boundary p {
  color: var(--muted);
}
footer {
  min-height: 120px;
  padding: 30px max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
footer > div {
  display: grid;
}
footer strong {
  color: var(--text);
}
[hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .system-grid {
    grid-template-columns: 1fr 1fr;
  }
  .section-top {
    align-items: flex-start;
    flex-direction: column;
  }
  .boundary {
    margin-inline: 18px;
    grid-template-columns: 1fr;
  }
  header nav > a:not(.button) {
    display: none;
  }
}
@media (max-width: 560px) {
  header {
    height: 68px;
    padding: 0 13px;
  }
  .brand img {
    width: 44px;
    height: 44px;
  }
  .brand small {
    display: none;
  }
  .hero {
    padding: 65px 16px;
  }
  .hero h1 {
    font-size: 2.45rem;
  }
  .systems {
    padding: 65px 15px;
  }
  .system-grid {
    grid-template-columns: 1fr;
  }
  .filters {
    width: 100%;
    overflow-x: auto;
    border-radius: 13px;
  }
  .filters button {
    flex: 1;
    white-space: nowrap;
  }
  .boundary {
    padding: 22px;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
