:root {
  --background: #07111f;
  --surface: rgba(255, 255, 255, 0.05);
  --text: #f5f8fb;
  --muted: #aab8c6;
  --soft: #d9e7f2;
  --accent: #62c7df;
  --accent-deep: #1d7890;
  --line: rgba(126, 205, 225, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 26%, rgba(98, 199, 223, 0.13), transparent 32rem),
    linear-gradient(135deg, #050b14 0%, var(--background) 54%, #091727 100%);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

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

.site-shell {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 5.5rem);
  padding: 4rem clamp(1.25rem, 4vw, 5rem) 2rem;
}

.intro {
  width: min(100%, 72rem);
  margin: 0 auto;
}

.brand-line {
  width: 100%;
  margin-bottom: clamp(4rem, 9vw, 8rem);
}

/* Company name styling. */
.company-name {
  margin: 0;
  color: var(--soft);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-name::before {
  display: inline-block;
  width: 0.62rem;
  height: 0.62rem;
  margin-right: 0.72rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 1.2rem rgba(98, 199, 223, 0.55);
  content: "";
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 28rem);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.copy {
  max-width: 48rem;
}

/* Main headline styling. */
h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--text);
  font-size: clamp(2.45rem, 7vw, 5.75rem);
  font-weight: 520;
  line-height: 0.98;
  letter-spacing: 0;
}

/* Supporting text styling. */
.supporting-text {
  max-width: 44rem;
  margin: clamp(1.6rem, 3vw, 2.2rem) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

/* Status line styling. */
.status-line {
  display: inline-flex;
  align-items: center;
  margin: 2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.95rem;
}

.fiber-mark {
  position: relative;
  min-height: 25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.fiber-mark::before,
.fiber-mark::after {
  position: absolute;
  inset: auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  content: "";
}

.fiber-mark::before {
  top: 22%;
}

.fiber-mark::after {
  bottom: 18%;
}

.fiber-line {
  position: absolute;
  right: 4%;
  left: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(98, 199, 223, 0.72), transparent);
  transform-origin: left center;
}

.fiber-line-one {
  top: 34%;
  transform: rotate(-11deg);
}

.fiber-line-two {
  top: 51%;
  transform: rotate(4deg);
}

.fiber-line-three {
  top: 67%;
  transform: rotate(15deg);
}

.optic-point {
  position: absolute;
  width: 0.72rem;
  height: 0.72rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--accent-deep);
  box-shadow: 0 0 2rem rgba(98, 199, 223, 0.55);
}

.optic-point-one {
  top: 30%;
  left: 24%;
}

.optic-point-two {
  right: 16%;
  bottom: 24%;
}

.site-footer {
  display: flex;
  gap: 1.4rem;
  justify-content: center;
  min-height: 5.5rem;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a {
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--text);
  border-color: var(--accent);
}

@media (max-width: 820px) {
  .site-shell {
    align-items: flex-start;
    min-height: calc(100vh - 6rem);
    padding-top: 2rem;
  }

  .brand-line {
    margin-bottom: 3.5rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  h1 {
    max-width: 11ch;
  }

  .fiber-mark {
    min-height: 10rem;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-footer {
    justify-content: flex-start;
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }
}

@media (max-width: 480px) {
  .site-footer {
    flex-direction: column;
    gap: 0.65rem;
  }
}