:root {
      color-scheme: dark;
      --bg: #050812;
      --bg-deep: #01030a;
      --ink: #eefcf8;
      --muted: rgba(238, 252, 248, 0.72);
      --soft: rgba(238, 252, 248, 0.54);
      --cyan: #7deaff;
      --mint: #74ffc5;
      --violet: #a78bff;
      --amber: #ffd27a;
      --line: rgba(125, 234, 255, 0.16);
      --line-strong: rgba(116, 255, 197, 0.34);
      --panel: rgba(7, 13, 24, 0.74);
      --panel-strong: rgba(9, 16, 29, 0.9);
      --display: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
      --mono: "IBM Plex Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    }

    * {
      box-sizing: border-box;
    }

    html {
      min-height: 100%;
      background: var(--bg-deep);
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--ink);
      font-family: var(--display);
      background:
        radial-gradient(circle at 18% 12%, rgba(116, 255, 197, 0.15), transparent 18rem),
        radial-gradient(circle at 82% 8%, rgba(125, 234, 255, 0.16), transparent 19rem),
        radial-gradient(circle at 50% 110%, rgba(167, 139, 255, 0.12), transparent 24rem),
        linear-gradient(180deg, #07111d 0%, var(--bg) 42%, var(--bg-deep) 100%);
      overflow-x: hidden;
    }

    body::before,
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
    }

    body::before {
      background:
        linear-gradient(rgba(255, 255, 255, 0.028), transparent 18%),
        repeating-linear-gradient(
          90deg,
          transparent 0,
          transparent 5.4rem,
          rgba(125, 234, 255, 0.032) 5.4rem,
          rgba(125, 234, 255, 0.032) 5.48rem
        ),
        repeating-linear-gradient(
          180deg,
          transparent 0,
          transparent 5.4rem,
          rgba(116, 255, 197, 0.026) 5.4rem,
          rgba(116, 255, 197, 0.026) 5.48rem
        );
      opacity: 0.6;
    }

    body::after {
      background:
        radial-gradient(circle at 50% 35%, transparent 0, rgba(1, 3, 10, 0.2) 42%, rgba(1, 3, 10, 0.7) 100%);
      mix-blend-mode: multiply;
    }

    a {
      color: inherit;
    }

    .skip-link {
      position: absolute;
      top: 0.8rem;
      left: 0.8rem;
      z-index: 10;
      padding: 0.7rem 0.9rem;
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      background: rgba(4, 8, 18, 0.96);
      color: var(--ink);
      font-family: var(--mono);
      font-size: 0.76rem;
      letter-spacing: 0.1em;
      text-decoration: none;
      text-transform: uppercase;
      transform: translateY(-150%);
      transition: transform 160ms ease;
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .shell {
      position: relative;
      z-index: 1;
      width: min(1120px, calc(100% - 1.25rem));
      margin: 0 auto;
      padding: 1rem 0 1.2rem;
    }

    .topbar,
    .hero,
    .signal-card,
    .footer {
      opacity: 0;
      transform: translateY(14px);
      animation: rise 820ms cubic-bezier(0.2, 1, 0.36, 1) forwards;
    }

    .hero {
      animation-delay: 90ms;
    }

    .signal-card {
      animation-delay: 170ms;
    }

    .footer {
      animation-delay: 250ms;
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1rem;
      color: var(--soft);
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.7rem;
      text-decoration: none;
    }

    .brand-mark {
      display: inline-grid;
      place-items: center;
      width: 2.35rem;
      height: 2.35rem;
      border: 1px solid var(--line-strong);
      border-radius: 50%;
      background:
        radial-gradient(circle, rgba(116, 255, 197, 0.22), transparent 56%),
        rgba(5, 10, 20, 0.86);
      box-shadow: 0 0 28px rgba(116, 255, 197, 0.12);
      color: var(--mint);
      letter-spacing: 0;
    }

    .topbar__state {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      white-space: nowrap;
    }

    .topbar__state::before {
      content: "";
      width: 0.5rem;
      height: 0.5rem;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 18px rgba(116, 255, 197, 0.75);
    }

    .hero {
      position: relative;
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.2rem;
      min-height: min(46rem, calc(100vh - 7rem));
      padding: 1.2rem;
      border: 1px solid var(--line);
      border-radius: 1.6rem;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 32%),
        radial-gradient(circle at 78% 16%, rgba(125, 234, 255, 0.1), transparent 18rem),
        rgba(4, 8, 18, 0.72);
      box-shadow:
        0 2rem 6rem rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background:
        linear-gradient(90deg, rgba(116, 255, 197, 0.52), transparent 34%, rgba(125, 234, 255, 0.42)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 36%);
      opacity: 0.22;
      pointer-events: none;
      mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      mask-composite: exclude;
      padding: 1px;
    }

    .hero__copy {
      position: relative;
      z-index: 1;
      align-self: end;
      padding: 0.6rem 0 0;
    }

    .eyebrow {
      margin: 0 0 0.95rem;
      color: var(--mint);
      font-family: var(--mono);
      font-size: 0.74rem;
      letter-spacing: 0.2em;
      line-height: 1.5;
      text-transform: uppercase;
    }

    h1 {
      max-width: 8.5ch;
      margin: 0;
      font-size: clamp(4.5rem, 20vw, 9.8rem);
      line-height: 0.86;
      letter-spacing: -0.085em;
      text-transform: uppercase;
      text-shadow:
        0 0 24px rgba(125, 234, 255, 0.12),
        0 0 64px rgba(116, 255, 197, 0.1);
    }

    .subtitle {
      max-width: 46rem;
      margin: 1.1rem 0 0;
      color: var(--ink);
      font-size: clamp(1.25rem, 4.5vw, 2.55rem);
      line-height: 1.08;
      letter-spacing: -0.045em;
    }

    .principles {
      display: flex;
      flex-wrap: wrap;
      gap: 0.55rem;
      margin: 1.2rem 0 0;
      padding: 0;
      list-style: none;
    }

    .principles li {
      padding: 0.55rem 0.75rem;
      border: 1px solid rgba(125, 234, 255, 0.16);
      border-radius: 999px;
      background: rgba(6, 12, 23, 0.78);
      color: var(--muted);
      font-family: var(--mono);
      font-size: 0.76rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .copy-grid {
      display: grid;
      gap: 0.85rem;
      margin-top: 1.35rem;
      max-width: 48rem;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.7;
    }

    .copy-grid p {
      margin: 0;
    }

    .beacon-wrap {
      position: relative;
      z-index: 1;
      display: grid;
      place-items: center;
      min-height: 18rem;
      padding: 1rem 0 0.5rem;
    }

    .beacon {
      position: relative;
      width: min(72vw, 21.5rem);
      aspect-ratio: 1;
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 50%, rgba(238, 252, 248, 0.96) 0 0.18rem, transparent 0.22rem),
        conic-gradient(
          from 235deg,
          transparent 0deg,
          rgba(116, 255, 197, 0.9) 24deg,
          transparent 50deg,
          rgba(125, 234, 255, 0.5) 72deg,
          transparent 112deg,
          rgba(167, 139, 255, 0.42) 154deg,
          transparent 210deg,
          rgba(116, 255, 197, 0.7) 266deg,
          transparent 330deg
        );
      filter: drop-shadow(0 0 34px rgba(125, 234, 255, 0.14));
      animation: breathe 6s ease-in-out infinite;
    }

    .beacon::before,
    .beacon::after {
      content: "";
      position: absolute;
      inset: 10%;
      border-radius: 50%;
      border: 1px solid rgba(125, 234, 255, 0.18);
      background:
        radial-gradient(circle at 50% 50%, rgba(116, 255, 197, 0.13), transparent 24%),
        conic-gradient(from 90deg, transparent, rgba(125, 234, 255, 0.38), transparent 24%, rgba(116, 255, 197, 0.25), transparent 70%);
      mask: radial-gradient(circle, transparent 0 45%, #000 46% 48%, transparent 49% 100%);
    }

    .beacon::after {
      inset: 24%;
      transform: rotate(42deg);
      border-color: rgba(116, 255, 197, 0.24);
      opacity: 0.9;
    }

    .beacon__core {
      position: absolute;
      inset: 36%;
      border: 1px solid rgba(238, 252, 248, 0.18);
      border-radius: 50%;
      background:
        radial-gradient(circle at 42% 38%, rgba(238, 252, 248, 0.9), rgba(116, 255, 197, 0.34) 22%, transparent 58%),
        rgba(4, 8, 18, 0.55);
      box-shadow:
        0 0 36px rgba(116, 255, 197, 0.24),
        inset 0 0 24px rgba(125, 234, 255, 0.12);
    }

    .beacon-label {
      position: absolute;
      right: 0.5rem;
      bottom: 0.5rem;
      max-width: 12rem;
      padding: 0.75rem 0.85rem;
      border: 1px solid rgba(125, 234, 255, 0.16);
      border-radius: 1rem;
      background: rgba(3, 7, 14, 0.78);
      color: var(--soft);
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      line-height: 1.55;
      text-transform: uppercase;
      backdrop-filter: blur(12px);
    }

    .signal-card {
      display: grid;
      gap: 0.85rem;
      margin-top: clamp(0.85rem, 2vw, 1.2rem);
      padding: 1rem;
      border: 1px solid var(--line);
      border-radius: 1.35rem;
      background:
        radial-gradient(circle at 100% 0%, rgba(116, 255, 197, 0.08), transparent 12rem),
        var(--panel);
      box-shadow:
        0 1.5rem 4rem rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .signal-card__head {
      display: flex;
      align-items: start;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
      padding-bottom: 0.8rem;
      border-bottom: 1px solid rgba(125, 234, 255, 0.12);
    }

    .signal-card__head p {
      margin: 0;
      color: var(--mint);
      font-family: var(--mono);
      font-size: 0.74rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .signal-card__head span {
      color: var(--soft);
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .status-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 10.5rem), 1fr));
      gap: 0.6rem;
    }

    .status-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0.28rem;
      padding: 0.8rem;
      border: 1px solid rgba(125, 234, 255, 0.12);
      border-radius: 0.95rem;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 42%),
        rgba(5, 10, 19, 0.72);
      min-width: 0;
    }

    .status-row dt {
      color: var(--soft);
      font-family: var(--mono);
      font-size: 0.7rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .status-row dd {
      margin: 0;
      color: var(--ink);
      font-size: clamp(0.98rem, 1.2vw, 1.08rem);
      line-height: 1.3;
      overflow-wrap: anywhere;
    }

    .notice {
      margin: 0;
      padding: 0.9rem;
      border: 1px solid rgba(255, 210, 122, 0.18);
      border-radius: 1rem;
      background: rgba(255, 210, 122, 0.055);
      color: var(--muted);
      line-height: 1.65;
    }

    .footer {
      margin-top: 1rem;
      padding: 0 0.4rem;
      color: var(--soft);
      font-size: 0.84rem;
      line-height: 1.6;
      text-align: center;
    }

    .shell--simple {
      display: grid;
      min-height: 100vh;
      align-content: center;
    }

    .signal-card--page {
      margin-top: 0;
    }

    .copy-grid--single {
      max-width: 62rem;
      grid-template-columns: 1fr;
    }

    @keyframes rise {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes breathe {
      0%,
      100% {
        transform: scale(0.985) rotate(0deg);
        opacity: 0.88;
      }

      50% {
        transform: scale(1.02) rotate(3deg);
        opacity: 1;
      }
    }

    @media (min-width: 780px) {
      .shell {
        width: min(1120px, calc(100% - 3rem));
        padding: 1.4rem 0 1.6rem;
      }

      .topbar {
        margin-bottom: 1.25rem;
      }

      .hero {
        grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.8fr);
        align-items: center;
        min-height: min(43rem, calc(100vh - 8.5rem));
        padding: clamp(1.4rem, 3vw, 2.2rem);
      }

      .hero__copy {
        align-self: center;
      }

      .beacon-wrap {
        min-height: 34rem;
        padding: 0;
      }

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

      .signal-card {
        grid-template-columns: minmax(0, 1fr);
        padding: 1.1rem;
      }

      .status-grid {
        grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
      }
    }

    @media (min-width: 1040px) {
      .signal-card {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .topbar {
        align-items: flex-start;
        flex-direction: column;
      }

      .hero {
        border-radius: 1.25rem;
        min-height: auto;
        padding: 1rem;
      }

      .eyebrow {
        font-size: 0.66rem;
        letter-spacing: 0.16em;
      }

      h1 {
        font-size: clamp(3.9rem, 22vw, 5.4rem);
        line-height: 0.9;
      }

      .subtitle {
        font-size: clamp(1.2rem, 9vw, 2.1rem);
      }

      .principles li {
        width: 100%;
      }

      .beacon-wrap {
        min-height: 14.5rem;
        padding-top: 0.25rem;
      }

      .beacon {
        width: min(68vw, 15rem);
      }

      .beacon-label {
        right: 0;
        bottom: 0;
        max-width: 10rem;
        font-size: 0.66rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 1ms !important;
      }
    }