@font-face {
  font-family: "Oxanium";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("/fonts/oxanium-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

:root {
  --black: #0a0a0d;
  --void: #070a13;
  --panel: rgba(7, 14, 25, 0.72);
  --panel-strong: rgba(6, 12, 22, 0.9);
  --mint: #68ff9c;
  --cyan: #4ef0ff;
  --purple: #7565ff;
  --white: #e8e8e8;
  --muted: rgba(232, 232, 232, 0.7);
  --border: rgba(78, 240, 255, 0.26);
  --border-strong: rgba(78, 240, 255, 0.72);
  --title: "Oxanium", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

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

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--void);
  color: var(--white);
  font-family: var(--body);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background: var(--void);
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  border: 1px solid var(--cyan);
  background: var(--panel-strong);
  font-weight: 600;
  text-decoration: none;
}

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

.space,
.space__image,
.space__shade,
.space__grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.space {
  z-index: 0;
  overflow: hidden;
  background: var(--void);
}

.space__image {
  background-image: url("/assets/first-contact-background-960.jpg");
  background-position: center bottom;
  background-size: cover;
  filter: saturate(0.92) contrast(1.05);
  transform: scale(1.01);
}

.space__shade {
  background:
    linear-gradient(180deg, rgba(2, 6, 14, 0.28) 0%, rgba(2, 6, 14, 0.62) 56%, rgba(2, 6, 14, 0.94) 100%),
    radial-gradient(circle at 50% 22%, rgba(7, 10, 19, 0.14), rgba(7, 10, 19, 0.74) 78%);
}

.space__grid {
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(78, 240, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 240, 255, 0.16) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, black 38%, black 92%, transparent);
}

.transmission-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 76rem);
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding: max(1.25rem, env(safe-area-inset-top)) 1rem max(1.5rem, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}

.transmission-header {
  display: grid;
  justify-items: center;
  text-align: center;
}

.status-line {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  color: rgba(232, 232, 232, 0.64);
  font-family: var(--title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-line::before,
.status-line::after {
  content: "";
  height: 1px;
  flex: 1;
  max-width: 8rem;
  background: linear-gradient(90deg, transparent, var(--border));
}

.status-line::after {
  background: linear-gradient(90deg, var(--border), transparent);
}

.status-line__pulse {
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0.8rem rgba(104, 255, 156, 0.86);
  animation: signal-pulse 2.2s ease-in-out infinite;
}

.status-line__divider {
  width: 1px;
  height: 0.85rem;
  background: rgba(232, 232, 232, 0.28);
}

.brand-mark {
  width: clamp(12.5rem, 52vw, 18rem);
  height: auto;
  margin: 1.4rem auto 0.7rem;
  filter: drop-shadow(0 0 1.5rem rgba(78, 240, 255, 0.12));
}

.hero-copy {
  width: min(100%, 44rem);
}

.hero-copy__kicker {
  margin: 0 0 0.45rem;
  color: var(--cyan);
  font-family: var(--title);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--white);
  font-family: var(--title);
  font-size: clamp(2.35rem, 12vw, 5.75rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 0.95;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow:
    0 0 1.5rem rgba(78, 240, 255, 0.18),
    0 0 3.25rem rgba(117, 101, 255, 0.13);
}

.hero-copy__signal {
  margin: 0.65rem 0 0;
  color: var(--mint);
  font-family: var(--title);
  font-size: clamp(1.05rem, 4vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-copy__intro {
  max-width: 39rem;
  margin: 0.75rem auto 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.channel-card {
  position: relative;
  min-height: 10.25rem;
  padding: 1.1rem;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.38rem;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(78, 240, 255, 0.055), transparent 50%),
    var(--panel);
  color: var(--white);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(14px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.channel-card::before,
.channel-card::after {
  content: "";
  position: absolute;
  width: 1.65rem;
  height: 1.65rem;
  pointer-events: none;
}

.channel-card::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.channel-card::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid rgba(117, 101, 255, 0.8);
  border-bottom: 2px solid rgba(117, 101, 255, 0.8);
}

.channel-card__index {
  position: absolute;
  top: 0.9rem;
  right: 0.95rem;
  color: rgba(78, 240, 255, 0.48);
  font-family: var(--title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.channel-card__meta {
  max-width: calc(100% - 2.5rem);
  color: var(--cyan);
  font-family: var(--title);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

.channel-card__title {
  font-family: var(--title);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.channel-card__body {
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.48;
}

.channel-card__action {
  min-height: 2.75rem;
  margin-top: 0.5rem;
  padding-top: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(78, 240, 255, 0.16);
  color: var(--mint);
  font-family: var(--title);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.channel-card__action span {
  color: var(--cyan);
  font-size: 1.15rem;
}

.channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background-color: rgba(7, 18, 31, 0.88);
  box-shadow:
    0 1rem 2.5rem rgba(0, 0, 0, 0.24),
    inset 0 0 2rem rgba(78, 240, 255, 0.035);
}

.channel-card:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
  border-color: var(--cyan);
}

.channel-card:active {
  transform: translateY(0) scale(0.99);
}

.transmission-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  color: rgba(232, 232, 232, 0.45);
  font-family: var(--title);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-align: center;
  text-transform: uppercase;
}

.transmission-footer__mark {
  width: 0.35rem;
  height: 0.35rem;
  flex: 0 0 auto;
  transform: rotate(45deg);
  border: 1px solid var(--purple);
}

@media (min-width: 45rem) {
  .space__image {
    background-image: url("/assets/first-contact-background-1600.jpg");
  }

  .transmission-shell {
    padding-right: 2rem;
    padding-left: 2rem;
  }

  .brand-mark {
    margin-top: 1.65rem;
  }

  .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1.7rem;
  }

  .channel-card {
    min-height: 13.5rem;
    padding: 1.25rem;
  }
}

@media (min-width: 64rem) and (min-height: 46rem) {
  .transmission-shell {
    justify-content: center;
    padding-top: 2rem;
    padding-bottom: 1.5rem;
  }

  .status-line {
    position: absolute;
    top: 1.35rem;
    left: 50%;
    width: min(100% - 4rem, 46rem);
    transform: translateX(-50%);
  }

  .brand-mark {
    width: 15.5rem;
    margin-top: 1.8rem;
  }

  .transmission-footer {
    margin-top: 1.35rem;
    padding-top: 0;
  }
}

@media (max-width: 24rem) {
  .status-line {
    gap: 0.42rem;
    font-size: 0.66rem;
    letter-spacing: 0.1em;
  }

  .status-line::before,
  .status-line::after {
    display: none;
  }

  .brand-mark {
    width: 11.5rem;
  }

  .hero-copy__intro {
    font-size: 0.96rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes signal-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.86);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}