:root {
  --ink: #f5f7fb;
  --muted: #aab3c5;
  --bg: #07101d;
  --panel: #0d1929;
  --panel-2: #111f33;
  --line: #26364f;
  --accent: #71f6c5;
  --accent-2: #7db8ff;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 76% 8%, rgba(125,184,255,.14), transparent 28rem),
    radial-gradient(circle at 15% 24%, rgba(113,246,197,.09), transparent 26rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; }

.shell { width: min(calc(100% - 2.5rem), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.09);
  background: rgba(7,16,29,.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(113,246,197,.55);
  border-radius: 50%;
  color: var(--accent);
  box-shadow: inset 0 0 20px rgba(113,246,197,.1);
}

.brand-mark svg { width: 22px; height: 22px; }

.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .3rem; }
.nav-links a { padding: .55rem .7rem; color: var(--muted); text-decoration: none; font-size: .93rem; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  min-height: 650px;
  padding: 6rem 0;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 760;
  letter-spacing: .17em;
  text-transform: uppercase;
}

h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { max-width: 760px; font-size: clamp(3.2rem, 8vw, 6.7rem); font-weight: 820; }
h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); }
h3 { font-size: 1.25rem; letter-spacing: -.02em; }

.hero-copy { max-width: 610px; margin: 1.55rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.platforms { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }
.platforms span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: .35rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #d8deea;
  background: rgba(17,31,51,.55);
  font-size: .84rem;
  font-weight: 720;
  letter-spacing: .04em;
}
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #06140f;
  font-weight: 760;
  text-decoration: none;
}

.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.button:hover, .button:focus-visible { transform: translateY(-1px); filter: brightness(1.06); }

.signal {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(145deg, rgba(17,31,51,.96), rgba(7,16,29,.85));
}

.signal::before, .signal::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(113,246,197,.19);
  border-radius: 50%;
}
.signal::before { width: 330px; height: 330px; }
.signal::after { width: 230px; height: 230px; border-color: rgba(125,184,255,.25); }
.signal svg { position: relative; z-index: 1; width: 82%; height: auto; }

.section { padding: 6rem 0; border-top: 1px solid rgba(255,255,255,.08); }
.section-intro { max-width: 690px; margin: 1rem 0 0; color: var(--muted); font-size: 1.08rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 22px; background: rgba(13,25,41,.72); }
.card p { margin: .75rem 0 0; color: var(--muted); }
.card .index { display: block; margin-bottom: 2rem; color: var(--accent-2); font-size: .8rem; font-weight: 760; letter-spacing: .12em; }

.app-intro { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, 1.1fr); gap: clamp(2rem, 8vw, 7rem); align-items: start; }
.app-intro-copy { max-width: 610px; padding-top: .15rem; }
.app-intro-copy p { margin: 0 0 1.2rem; color: var(--muted); font-size: 1.08rem; }
.text-link { color: var(--accent); font-weight: 760; text-underline-offset: .25em; }

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.7rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(113,246,197,.09), rgba(125,184,255,.08));
}
.contact-panel p { max-width: 620px; margin: .8rem 0 0; color: var(--muted); }

.page-main { min-height: calc(100vh - 210px); padding: 6rem 0; }
.page-header { max-width: 790px; padding-bottom: 2.5rem; border-bottom: 1px solid var(--line); }
.page-header h1 { font-size: clamp(2.7rem, 7vw, 5.2rem); }
.page-header p { margin: 1.2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.prose { max-width: 790px; padding-top: 2rem; }
.prose h2 { margin-top: 2.7rem; font-size: 1.55rem; letter-spacing: -.02em; }
.prose h3 { margin-top: 2rem; }
.prose p, .prose li { color: #c3cada; }
.prose ul { padding-left: 1.25rem; }
.prose a { color: var(--accent); }
.meta { color: var(--muted); font-size: .9rem; }

.company-section {
  display: grid;
  grid-template-columns: minmax(220px, .72fr) minmax(340px, 1.28fr);
  gap: clamp(2rem, 7vw, 6rem);
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--line);
}
.company-section:last-child { border-bottom: 0; }
.company-section h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
.company-facts { margin: 0; }
.company-facts div {
  display: grid;
  grid-template-columns: minmax(130px, .65fr) minmax(180px, 1.35fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.company-facts div:first-child { padding-top: 0; }
.company-facts div:last-child { border-bottom: 0; }
.company-facts dt { color: var(--muted); }
.company-facts dd { margin: 0; color: var(--ink); font-weight: 680; }
.company-facts a, .company-copy a { color: var(--accent); }
.company-copy p { margin: 0 0 1.2rem; color: #c3cada; }

.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2.3rem; }
.support-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.support-card p { color: var(--muted); }
.support-card a { color: var(--accent); font-weight: 700; }

.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 2rem 0 3rem; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--ink); }

:focus-visible { outline: 3px solid rgba(113,246,197,.8); outline-offset: 4px; }

@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 4.5rem 0; }
  .signal { min-height: 300px; }
  .cards { grid-template-columns: 1fr; }
  .app-intro { grid-template-columns: 1fr; }
  .company-section { grid-template-columns: 1fr; }
  .contact-panel { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 1.5rem), var(--max)); }
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .nav-links { justify-content: flex-start; }
  .nav-links a { padding: .4rem .6rem .4rem 0; }
  .hero { padding-top: 3.5rem; }
  h1 { font-size: clamp(2.8rem, 16vw, 4.5rem); }
  .section, .page-main { padding: 4rem 0; }
  .support-grid { grid-template-columns: 1fr; }
  .company-facts div { grid-template-columns: 1fr; gap: .25rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .signal svg { animation: drift 7s ease-in-out infinite; }
  @keyframes drift { 50% { transform: translateY(-9px); } }
}