:root {
  --field-black: #050505;
  --signal-white: #ffffff;
  --graphite: #1a1a1a;
  --signal-grey: #a7adb4;
  --line: rgba(255, 255, 255, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--field-black);
  color: var(--signal-white);
  font-family: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--signal-white);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-150%);
  border: 1px solid var(--field-black);
  border-radius: 4px;
  background: var(--signal-white);
  color: var(--field-black);
  padding: 0.7rem 1rem;
  font-weight: 700;
}

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

.site-header,
.site-footer {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 5vw;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.brand,
.header-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brand {
  gap: 0.75rem;
}

.brand img {
  width: 38px;
  height: 38px;
}

.header-link {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 0.85rem;
}

.header-link:hover {
  background: var(--signal-white);
  color: var(--field-black);
}

.landing {
  position: relative;
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.65fr);
  gap: 4rem;
  align-items: center;
  min-height: calc(100svh - 154px);
  padding: 5rem 5vw;
}

.signal-field {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.signal-field::before {
  content: "";
  position: absolute;
  inset: 7vw;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-field span {
  position: absolute;
  display: block;
  background: rgba(255, 255, 255, 0.16);
}

.signal-field span:nth-child(1) {
  top: 18%;
  left: 5vw;
  right: 5vw;
  height: 1px;
}

.signal-field span:nth-child(2) {
  top: 5rem;
  bottom: 5rem;
  left: 62%;
  width: 1px;
}

.signal-field span:nth-child(3) {
  right: 8vw;
  bottom: 12%;
  width: 28vw;
  height: 1px;
}

.signal-field span:nth-child(4) {
  top: 42%;
  right: 12vw;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  transform: rotate(45deg);
}

.hero-content,
.briefing-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--signal-grey);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 10ch;
  margin: 0;
  font-size: 5.4rem;
  line-height: 1;
  font-weight: 700;
  text-wrap: balance;
}

.hero-copy {
  max-width: 780px;
  margin: 1.35rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.82rem 1rem;
  color: inherit;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.button-primary {
  background: var(--signal-white);
  color: var(--field-black);
}

.button-primary:hover {
  background: var(--signal-grey);
}

.button-secondary {
  border-color: var(--line);
  background: transparent;
}

.button-secondary:hover {
  background: var(--signal-white);
  color: var(--field-black);
}

.copy-status {
  min-height: 1.5rem;
  margin: 0.75rem 0 0;
  color: var(--signal-grey);
}

.briefing-panel {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(26, 26, 26, 0.86);
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1rem;
  color: var(--signal-grey);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.panel-mark {
  width: min(58%, 260px);
  margin: 2.2rem auto;
}

.signal-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
}

.signal-list div {
  padding: 1rem;
  background: var(--graphite);
}

.signal-list dt {
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
}

.signal-list dd {
  margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }

  .hero h1 {
    font-size: 4.25rem;
  }

  .briefing-panel {
    max-width: 560px;
  }
}

@media (max-width: 720px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .hero {
    min-height: auto;
    padding: 4rem 1rem;
  }

  .signal-field span:nth-child(2) {
    left: auto;
    right: 1rem;
  }

  .signal-field span:nth-child(4) {
    right: -64px;
    width: 140px;
    height: 140px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}