:root {
  --bg: #0b1320;
  --bg-deep: #080d15;
  --panel: rgba(17, 19, 24, 0.72);
  --line: rgba(214, 246, 255, 0.12);
  --line-strong: rgba(34, 221, 226, 0.32);
  --text: #f7fbff;
  --muted: #9aafbf;
  --cyan: #22dde2;
  --cyan-soft: #71d7ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg-deep); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 30%, rgba(18, 194, 201, 0.09), transparent 31rem),
    radial-gradient(circle at 18% 78%, rgba(113, 140, 255, 0.06), transparent 27rem),
    linear-gradient(145deg, var(--bg-deep), var(--bg) 52%, #0b1928);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

a { color: inherit; }

.shell {
  width: min(1240px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 238px;
  text-decoration: none;
}
.brand img { display: block; width: 100%; height: auto; }

.staging-badge {
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 7vw;
  padding: 80px 0 96px;
}

.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

h1 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 0.98;
  font-weight: 300;
  letter-spacing: -0.045em;
}

.lede {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.65;
  font-weight: 350;
}

.actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.action {
  min-height: 46px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(214, 246, 255, 0.16);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.015em;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease, color 160ms ease;
}
.action:hover,
.action:focus-visible {
  outline: none;
  border-color: rgba(34, 221, 226, 0.55);
  background: rgba(34, 221, 226, 0.07);
}
.action:active { transform: translateY(1px); }
.action.primary {
  color: #071116;
  border-color: var(--cyan);
  background: var(--cyan);
}
.action.primary:hover,
.action.primary:focus-visible { background: #46e7e0; }
.action.text-action {
  border-color: transparent;
  background: transparent;
  color: var(--cyan-soft);
}
.action.text-action:hover,
.action.text-action:focus-visible {
  border-color: transparent;
  background: rgba(113, 215, 255, 0.05);
}

.hint {
  margin: 18px 0 0;
  color: #687897;
  font-size: 13px;
}

.hero-mark {
  min-height: 520px;
  display: grid;
  place-items: center;
  position: relative;
  isolation: isolate;
}
.hero-mark::before {
  content: "";
  position: absolute;
  width: min(40vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 221, 226, 0.11), rgba(34, 221, 226, 0.025) 46%, transparent 70%);
  filter: blur(8px);
  z-index: -1;
}
.hero-mark img {
  width: min(70%, 370px);
  height: auto;
  filter: drop-shadow(0 34px 45px rgba(0, 0, 0, 0.42));
}

.footer {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: #687897;
  font-size: 12px;
}
.footer a {
  color: var(--muted);
  text-decoration: none;
}
.footer a:hover,
.footer a:focus-visible { color: var(--cyan); outline: none; }

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 760px); }
  .topbar { height: 92px; }
  .brand { width: 190px; }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 60px 0 64px;
  }
  .hero-mark {
    min-height: 300px;
    order: -1;
  }
  .hero-mark img { width: min(58vw, 260px); }
  h1 { font-size: clamp(44px, 12vw, 68px); }
}

@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 480px); }
  .topbar { height: 82px; }
  .brand { width: 164px; }
  .hero { padding-top: 42px; }
  .hero-mark { min-height: 230px; }
  .actions { align-items: stretch; }
  .action { width: 100%; }
  .action.text-action { width: auto; }
  .footer {
    padding: 20px 0;
    flex-direction: column;
    align-items: flex-start;
  }
}