:root {
  --bg-deep: #050814;
  --bg-mid: #080d18;
  --bg-card: rgba(15, 23, 42, 0.42);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --cyan: #38bdf8;
  --cyan-dim: rgba(56, 189, 248, 0.12);
  --cyan-heading: #7dd3fc;
  --border: rgba(148, 163, 184, 0.14);
  --glow: rgba(56, 189, 248, 0.12);
  --font-display: "IBM Plex Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius: 11px;
  --max: 1040px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

.bg-sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 100% 60% at 50% -15%, rgba(56, 189, 248, 0.06), transparent 52%),
    radial-gradient(ellipse 55% 40% at 100% 20%, rgba(59, 130, 246, 0.04), transparent 48%),
    linear-gradient(180deg, var(--bg-mid) 0%, var(--bg-deep) 52%, #020617 100%);
}

.stars {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.06), transparent),
    radial-gradient(1px 1px at 78% 12%, rgba(255, 255, 255, 0.05), transparent),
    radial-gradient(1px 1px at 42% 58%, rgba(255, 255, 255, 0.04), transparent),
    radial-gradient(1px 1px at 88% 52%, rgba(255, 255, 255, 0.05), transparent),
    radial-gradient(1px 1px at 26% 82%, rgba(255, 255, 255, 0.04), transparent),
    radial-gradient(1px 1px at 93% 88%, rgba(255, 255, 255, 0.04), transparent);
  background-size: 100% 100%;
  opacity: 0.22;
  pointer-events: none;
}

.city-line {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: min(18vh, 140px);
  z-index: -1;
  background: linear-gradient(to top, rgba(2, 6, 16, 0.92), transparent);
  pointer-events: none;
}

.city-line::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  background:
    linear-gradient(90deg, transparent 0%, rgba(15, 23, 42, 0.72) 8%, rgba(15, 23, 42, 0.72) 12%, transparent 14%),
    linear-gradient(90deg, transparent 22%, rgba(15, 23, 42, 0.64) 26%, rgba(15, 23, 42, 0.64) 29%, transparent 32%),
    linear-gradient(90deg, transparent 38%, rgba(15, 23, 42, 0.78) 41%, rgba(15, 23, 42, 0.78) 44%, transparent 47%),
    linear-gradient(90deg, transparent 52%, rgba(15, 23, 42, 0.6) 55%, rgba(15, 23, 42, 0.6) 58%, transparent 61%),
    linear-gradient(90deg, transparent 68%, rgba(15, 23, 42, 0.72) 71%, rgba(15, 23, 42, 0.72) 74%, transparent 77%),
    linear-gradient(90deg, transparent 84%, rgba(15, 23, 42, 0.55) 87%, rgba(15, 23, 42, 0.55) 90%, transparent 93%);
  mask-image: linear-gradient(to top, black 30%, transparent);
  opacity: 0.25;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding-block: 2rem 4rem;
}

header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.5rem 2rem;
  flex-wrap: wrap;
}

.brand-cluster {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

@media (min-width: 540px) {
  .brand-cluster {
    flex-direction: row;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
  }
}

.labs-home-link {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.labs-home-link:hover {
  color: var(--cyan-heading);
  border-bottom-color: rgba(125, 211, 252, 0.32);
}

.labs-home-link .labs-domain {
  color: var(--cyan-heading);
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-text span {
  color: var(--cyan-heading);
}

.labs-pointer {
  margin: 0 0 1.5rem;
  max-width: 56ch;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.labs-pointer strong {
  color: var(--text);
  font-weight: 600;
}

.labs-pointer a {
  color: var(--cyan-heading);
  text-decoration: none;
  font-weight: 600;
}

.labs-pointer a:hover {
  text-decoration: underline;
}

.hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-block: 2rem 4rem;
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 2.5rem 3rem;
    padding-block: 2.5rem 4rem;
  }
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

@media (min-width: 860px) {
  .hero-visual {
    justify-content: flex-end;
    padding-top: 0.35rem;
  }
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: -4%;
  background: radial-gradient(circle at 50% 42%, rgba(56, 189, 248, 0.04), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero-logo {
  width: min(220px, 52vw);
  height: auto;
  border-radius: calc(var(--radius) + 1px);
  box-shadow:
    0 0 0 1px var(--border),
    0 12px 40px -18px rgba(0, 0, 0, 0.5);
}

@media (min-width: 860px) {
  .hero-logo {
    width: min(260px, 100%);
  }
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.7rem);
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
}

.hero-copy .lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  max-width: 56ch;
}

.hero-copy .lead strong {
  color: var(--text);
  font-weight: 600;
}

.focus-follow {
  margin-top: 1.25rem;
}

.badge {
  display: inline-block;
  margin: 0 0 1.35rem;
  padding: 0.4rem 0.72rem;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 0.765rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.88);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem;
  margin-top: 1.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.68rem 1.15rem;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    background-color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: #0f172a;
  background: #e2e8f0;
  border: 1px solid rgba(226, 232, 240, 0.5);
  box-shadow: none;
}

.btn-primary:hover {
  background: #f1f5f9;
  border-color: rgba(241, 245, 249, 0.55);
}

.btn-ghost {
  color: rgba(226, 232, 240, 0.95);
  background: transparent;
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: rgba(125, 211, 252, 0.32);
  background: rgba(56, 189, 248, 0.06);
}

section {
  padding-block: 3rem;
}

section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 2.35vw, 1.82rem);
  letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
}

.grid-3 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-2 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.focus-intro {
  margin: 0 0 1.5rem;
  max-width: 68ch;
  color: var(--text-muted);
}

.focus-intro strong {
  color: var(--text);
  font-weight: 600;
}

.card {
  padding: 1.35rem 1.35rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid rgba(125, 211, 252, 0.35);
  backdrop-filter: blur(10px);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: #e2e8f0;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

footer {
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-links {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.footer-sep {
  color: var(--text-muted);
  opacity: 0.45;
  user-select: none;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-inner a {
  color: var(--cyan-heading);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.5rem 1rem;
  background: var(--cyan-heading);
  color: var(--bg-deep);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}