:root {
  color-scheme: dark;
  --bg: #061827;
  --panel: rgba(12, 41, 62, 0.78);
  --line: rgba(120, 202, 237, 0.2);
  --ink: #f2f8fc;
  --muted: #9bb8ca;
  --cyan: #18c8ee;
  --blue: #247df1;
  --mint: #43e1ba;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 10%, rgba(21, 155, 220, 0.12), transparent 28rem),
    linear-gradient(145deg, #05131f 0%, var(--bg) 52%, #071e30 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 30rem;
  height: 30rem;
  border: 1px solid rgba(65, 199, 242, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.ambient-one { top: 9rem; right: -15rem; }
.ambient-two { bottom: -20rem; left: -10rem; width: 40rem; height: 40rem; }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  letter-spacing: 0.12em;
}

.brand img { object-fit: contain; }
.brand span { display: grid; gap: 2px; }
.brand strong { font-size: 0.92rem; }
.brand small { color: var(--cyan); font-size: 0.58rem; font-weight: 800; letter-spacing: 0.28em; }

.beta-pill,
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(67, 225, 186, 0.25);
  border-radius: 999px;
  padding: 9px 14px;
  color: #aaf5df;
  background: rgba(20, 113, 91, 0.2);
  font-size: 0.78rem;
  font-weight: 700;
}

.beta-pill i,
.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
  min-height: 680px;
  padding: 65px 0 90px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font: 800 0.7rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.22em;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2 { letter-spacing: -0.045em; }

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 6.5vw, 6.5rem);
  line-height: 0.96;
}

h1 span {
  color: transparent;
  background: linear-gradient(100deg, #9eeaff, var(--cyan) 42%, #6aa6ff);
  background-clip: text;
  -webkit-background-clip: text;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.72;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(115deg, var(--blue), var(--cyan)); box-shadow: 0 18px 35px rgba(16, 154, 225, 0.18); }
.button-ghost { border-color: var(--line); color: #c2d7e4; background: rgba(11, 38, 58, 0.5); }
.button-light { color: #05233a; background: white; }

.microcopy { margin: 18px 0 0; color: #6f91a6; font-size: 0.76rem; }

.system-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(155deg, rgba(18, 53, 76, 0.92), rgba(7, 27, 43, 0.86));
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.35);
}

.system-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -55% 15%;
  height: 65%;
  background: radial-gradient(circle, rgba(31, 186, 236, 0.18), transparent 65%);
}

.system-topbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--line); font-size: 0.82rem; font-weight: 750; }
.status { padding: 6px 10px; font-size: 0.65rem; }
.system-body { padding: 38px 28px 28px; }

.orbit { position: relative; width: min(290px, 76vw); aspect-ratio: 1; margin: 0 auto 28px; border: 1px solid rgba(42, 193, 238, 0.22); border-radius: 50%; animation: breathe 5s ease-in-out infinite; }
.orbit::before, .orbit::after { content: ""; position: absolute; inset: 15%; border: 1px solid rgba(81, 138, 250, 0.22); border-radius: 50%; }
.orbit::after { inset: 31%; }
.orbit-core { position: absolute; inset: 36%; display: grid; place-items: center; border-radius: 22px; background: rgba(7, 28, 45, 0.95); box-shadow: 0 0 50px rgba(25, 193, 238, 0.25); }
.orbit-core img { width: 65%; }
.orbit-dot { position: absolute; width: 11px; height: 11px; border: 2px solid #092033; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.dot-one { left: 2%; top: 47%; }
.dot-two { right: 18%; top: 8%; background: var(--mint); }
.dot-three { right: 8%; bottom: 21%; background: #7399ff; }

.system-stats { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.system-stats article { padding: 13px; border: 1px solid rgba(125, 194, 228, 0.12); border-radius: 11px; background: rgba(5, 23, 37, 0.65); }
.system-stats span, .system-stats strong { display: block; }
.system-stats span { margin-bottom: 5px; color: #7193a8; font-size: 0.63rem; }
.system-stats strong { color: #d9f6ff; font-size: 0.77rem; }

.continuity { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px; align-items: end; padding: 95px 0; border-top: 1px solid var(--line); }
.continuity h2, .final-cta h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 4.2rem); line-height: 1.02; }
.continuity > p { margin: 0; color: var(--muted); font-size: 1.14rem; line-height: 1.8; }

.promises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 110px; }
.promises article { min-height: 235px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: rgba(10, 34, 52, 0.58); }
.number { display: block; margin-bottom: 48px; color: var(--cyan); font: 800 0.72rem ui-monospace, monospace; letter-spacing: 0.15em; }
.promises h3 { margin-bottom: 12px; font-size: 1.3rem; }
.promises p { margin-bottom: 0; color: var(--muted); line-height: 1.65; }

.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 55px; border-radius: 24px; color: white; background: linear-gradient(120deg, #0f6ede, #12bde4); box-shadow: 0 25px 80px rgba(15, 127, 211, 0.22); }
.final-cta .eyebrow { color: #d7f8ff; }

footer { display: flex; justify-content: space-between; gap: 20px; padding: 34px 0 38px; color: #628399; font-size: 0.72rem; }

@keyframes breathe {
  50% { transform: scale(1.025); border-color: rgba(42, 193, 238, 0.4); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .system-card { max-width: 620px; }
  .continuity { grid-template-columns: 1fr; gap: 28px; }
  .promises { grid-template-columns: 1fr; }
  .promises article { min-height: auto; }
  .number { margin-bottom: 28px; }
  .final-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { padding-top: 18px; }
  .beta-pill { padding: 8px 10px; font-size: 0.66rem; }
  h1 { font-size: clamp(2.75rem, 15vw, 4.2rem); }
  .hero { min-height: auto; padding-bottom: 68px; }
  .actions, .button { width: 100%; }
  .system-body { padding-inline: 16px; }
  .system-stats { grid-template-columns: 1fr; }
  .continuity { padding: 68px 0; }
  .promises { padding-bottom: 75px; }
  .final-cta { padding: 34px 24px; }
  footer { flex-direction: column; }
}
