:root {
  color-scheme: dark;
  --bg: #080b12;
  --surface: #0d121d;
  --surface-2: #121927;
  --surface-3: #172132;
  --text: #f7f9ff;
  --text-dim: #b4bfd2;
  --text-faint: #7f8ca4;
  --line: #253149;
  --line-strong: #3a4a69;
  --blue: #7292ff;
  --blue-soft: #b9c7ff;
  --green: #9cff63;
  --green-hover: #b2ff85;
  --red: #ff7079;
  --font-display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
a { color: inherit; }
svg { display: block; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--green);
  color: var(--bg);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(var(--shell), calc(100% - 48px)); margin-inline: auto; }
.topbar { border-bottom: 1px solid var(--line); background: var(--bg); }
.topbar__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: .01em;
}
.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue);
  color: var(--blue-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.topbar__tag,
.eyebrow,
.registration__label,
.next-step__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.topbar__tag { color: var(--text-faint); }
.eyebrow { color: var(--blue-soft); }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero__grid {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  padding-block: 72px 82px;
}
.hero__copy { position: relative; z-index: 2; max-width: 680px; }
.hero h1,
.section-heading h2,
.fit h2,
.authority h2,
.registration h2,
.confirmation h1,
.next-step h2,
.flow-preview h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: .005em;
  line-height: .98;
}
.hero h1 {
  max-width: 14ch;
  margin-top: 20px;
  font-size: clamp(52px, 6.3vw, 86px);
}
.hero__lead {
  max-width: 62ch;
  margin: 28px 0 0;
  color: var(--text-dim);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.62;
}
.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-dim);
  font-size: 14px;
}
.hero__proof li { display: inline-flex; align-items: center; gap: 9px; }
.check {
  width: 17px;
  height: 17px;
  border: 1px solid var(--green);
  position: relative;
  flex: 0 0 auto;
}
.check::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 4px;
  left: 4px;
  top: 4px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}
.hero__signal {
  position: absolute;
  inset: 0 0 0 52%;
  opacity: .3;
  pointer-events: none;
}
.hero__signal span { position: absolute; background: var(--line); }
.hero__signal span:nth-child(1) { width: 1px; height: 100%; left: 12%; }
.hero__signal span:nth-child(2) { width: 1px; height: 100%; left: 62%; }
.hero__signal span:nth-child(3) { width: 100%; height: 1px; top: 22%; }
.hero__signal span:nth-child(4) { width: 100%; height: 1px; top: 70%; }
.hero__signal span:nth-child(5) {
  width: 110px;
  height: 110px;
  left: calc(62% - 55px);
  top: calc(22% - 55px);
  border: 1px solid var(--blue);
  background: transparent;
  transform: rotate(45deg);
}

.registration {
  position: relative;
  z-index: 3;
  padding: 30px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.registration::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 84px;
  height: 3px;
  background: var(--blue);
}
.registration__head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.registration__index {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--blue-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}
.registration__label { color: var(--text-faint); }
.registration h2 { margin-top: 4px; font-size: 30px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 700;
}
.field input {
  width: 100%;
  min-height: 54px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: 0;
  background: var(--bg);
  color: var(--text);
}
.field input::placeholder { color: var(--text-faint); }
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(114,146,255,.18); }
.field input[aria-invalid="true"] { border-color: var(--red); }
.field__error {
  display: block;
  min-height: 18px;
  margin-top: 5px;
  color: var(--red);
  font-size: 12px;
  line-height: 1.45;
}
.button {
  width: 100%;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 0;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 850;
  line-height: 1.2;
  text-decoration: none;
}
.button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button--primary { background: var(--green); color: var(--bg); }
.button--primary:hover { background: var(--green-hover); }
.button--primary:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.button:disabled { cursor: default; opacity: .72; }
.form-note { margin: 13px 0 0; color: var(--text-faint); font-size: 12px; text-align: center; }
.form-status { min-height: 20px; margin-top: 10px; color: var(--blue-soft); font-size: 12px; text-align: center; }

.mechanism { padding: 110px 0; background: var(--surface); }
.section-heading { max-width: 810px; }
.section-heading h2 { margin-top: 18px; font-size: clamp(42px, 5.1vw, 68px); }
.section-heading > p:last-child { max-width: 67ch; margin: 24px 0 0; color: var(--text-dim); font-size: 18px; }
.agent-map {
  margin-top: 62px;
  display: grid;
  grid-template-columns: 1fr 70px 1fr 70px 1fr;
  align-items: stretch;
}
.agent-map__step { position: relative; padding: 30px 28px 32px; border-top: 1px solid var(--line-strong); }
.agent-map__step--core { background: var(--surface-2); border-color: var(--blue); }
.agent-map__number { color: var(--text-faint); font-family: var(--font-mono); font-size: 12px; }
.agent-map__icon { width: 58px; height: 58px; margin: 26px 0 34px; color: var(--blue-soft); }
.agent-map__icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.agent-map__step h3 { margin: 0; font-family: var(--font-display); font-size: 31px; line-height: 1; }
.agent-map__step p { max-width: 28ch; margin: 14px 0 0; color: var(--text-dim); line-height: 1.62; }
.agent-map__connector { align-self: center; height: 1px; background: var(--line-strong); position: relative; }
.agent-map__connector::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--blue);
  border-right: 1px solid var(--blue);
  transform: rotate(45deg);
}

.fit { padding: 110px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fit__grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.fit h2 { margin-top: 18px; font-size: clamp(42px, 4.8vw, 64px); }
.fit__intro > p:last-child { margin-top: 24px; color: var(--text-dim); }
.fit__lanes { border-top: 1px solid var(--line-strong); }
.fit__lane { display: grid; grid-template-columns: 48px 1fr; column-gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.fit__symbol { grid-row: 1 / 3; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line-strong); }
.fit__symbol svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.fit__lane--yes .fit__symbol { color: var(--green); }
.fit__lane--no .fit__symbol { color: var(--red); }
.fit__lane h3 { margin: 0; font-family: var(--font-display); font-size: 29px; line-height: 1.1; }
.fit__lane ul { margin: 12px 0 0; padding-left: 20px; color: var(--text-dim); }

.authority { padding: 110px 0; background: var(--surface); }
.authority__grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 82px; align-items: center; }
.authority__portrait {
  min-height: 450px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
}
.authority__portrait::before,
.authority__portrait::after { content: ""; position: absolute; background: var(--line-strong); }
.authority__portrait::before { width: 1px; height: 100%; left: 50%; top: 0; }
.authority__portrait::after { height: 1px; width: 100%; top: 42%; left: 0; }
.authority__initials { position: absolute; top: 38px; left: 30px; font-family: var(--font-display); font-size: 160px; line-height: .8; color: var(--blue-soft); opacity: .92; }
.authority__line { width: 46px; height: 3px; background: var(--blue); margin-bottom: 16px; position: relative; z-index: 2; }
.authority__caption { max-width: 24ch; color: var(--text-dim); font-size: 13px; font-family: var(--font-mono); line-height: 1.5; position: relative; z-index: 2; }
.authority h2 { max-width: 13ch; margin-top: 18px; font-size: clamp(44px, 5vw, 70px); }
.authority__copy > p:not(.eyebrow):not(.authority__caveat) { max-width: 64ch; margin: 28px 0 0; color: var(--text-dim); font-size: 18px; }
.authority__caveat { max-width: 68ch; margin: 16px 0 0; color: var(--text-faint); }
.authority__numbers { display: grid; grid-template-columns: repeat(3, 1fr); margin: 34px 0 0; border-top: 1px solid var(--line-strong); }
.authority__numbers div { padding: 24px 18px 0 0; }
.authority__numbers dt { color: var(--green); font-family: var(--font-display); font-size: 34px; line-height: 1; }
.authority__numbers dd { margin: 8px 0 0; color: var(--text-faint); font-size: 12px; font-family: var(--font-mono); line-height: 1.4; }

.footer { border-top: 1px solid var(--line); background: var(--bg); }
.footer__inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--text-faint); font-size: 12px; }
.footer a { color: var(--text-dim); text-underline-offset: 4px; }

.thank-you { min-height: 100vh; }
.confirmation { width: min(900px, calc(100% - 48px)); margin-inline: auto; padding: 82px 0 110px; }
.confirmation__hero { text-align: center; max-width: 780px; margin-inline: auto; }
.confirmation__halo {
  width: 104px;
  height: 104px;
  margin: 0 auto 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--green);
}
.confirmation__halo svg { width: 72px; height: 72px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.confirmation h1 { margin-top: 18px; font-size: clamp(54px, 8vw, 88px); }
.confirmation__lead { max-width: 60ch; margin: 24px auto 0; color: var(--text-dim); font-size: 18px; }
.session-card { display: grid; grid-template-columns: 92px 1fr; margin-top: 64px; border: 1px solid var(--line-strong); background: var(--surface); }
.next-step__rail { display: flex; flex-direction: column; align-items: center; justify-content: space-around; border-right: 1px solid var(--line); padding: 22px 0; }
.next-step__rail span { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line-strong); color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; }
.next-step__rail .is-done { color: var(--green); border-color: var(--green); }
.next-step__rail .is-current { color: var(--blue-soft); border-color: var(--blue); background: var(--surface-2); }
.next-step__content { padding: 40px; }
.next-step__label { color: var(--blue-soft); }
.next-step h2 { max-width: 15ch; margin-top: 15px; font-size: clamp(38px, 5vw, 56px); }
.next-step__content > p:not(.next-step__label) { max-width: 62ch; margin: 20px 0 0; color: var(--text-dim); }
.countdown { margin-top: 28px; padding: 22px; border: 1px solid var(--line); background: var(--bg); }
.countdown__label { margin: 0 0 16px; color: var(--text-dim); font-size: 13px; font-weight: 750; text-align: center; }
.countdown__row { display: grid; grid-template-columns: repeat(4, 1fr); }
.countdown__row div { text-align: center; padding: 4px 8px; }
.countdown__row div + div { border-left: 1px solid var(--line); }
.countdown__row strong { display: block; color: var(--green); font-family: var(--font-display); font-size: 44px; line-height: 1; }
.countdown__row span { display: block; margin-top: 7px; color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; }
.session-link { margin-top: 24px; }
.session-link label { display: block; margin-bottom: 8px; color: var(--text-dim); font-size: 13px; font-weight: 750; }
.session-link__control { display: grid; grid-template-columns: 1fr auto; }
.session-link__control input { min-width: 0; min-height: 52px; padding: 0 14px; border: 1px solid var(--line-strong); border-right: 0; border-radius: 0; background: var(--bg); color: var(--text-dim); font-size: 13px; }
.session-link__control button { min-width: 112px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--blue); border-radius: 0; background: var(--surface-2); color: var(--blue-soft); cursor: pointer; font-weight: 800; }
.session-link__control button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.copy-status { min-height: 19px; margin: 7px 0 0; color: var(--green); font-size: 12px; }
.room-demo { margin-top: 54px; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--blue); background: var(--surface); }
.room-demo__screen { min-height: 310px; display: grid; place-items: center; position: relative; overflow: hidden; border-right: 1px solid var(--line); background: var(--bg); }
.room-demo__screen::before, .room-demo__screen::after { content: ""; position: absolute; background: var(--line); }
.room-demo__screen::before { width: 1px; height: 100%; left: 50%; }
.room-demo__screen::after { width: 100%; height: 1px; top: 50%; }
.room-demo__signal { position: absolute; width: 170px; height: 170px; border: 1px solid var(--line-strong); transform: rotate(45deg); }
.room-demo__play { position: relative; z-index: 2; width: 70px; height: 70px; display: grid; place-items: center; border: 1px solid var(--green); color: var(--green); background: var(--surface); }
.room-demo__play svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.room-demo__copy { padding: 38px; align-self: center; }
.room-demo__copy h2 { margin: 15px 0 0; font-family: var(--font-display); font-size: clamp(36px, 4vw, 52px); line-height: .98; }
.room-demo__copy > p:last-child { margin: 20px 0 0; color: var(--text-dim); }
.flow-preview { padding: 78px 0 0; }
.flow-preview h2 { max-width: 14ch; margin-top: 18px; font-size: clamp(42px, 5vw, 62px); }
.flow-preview__grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 38px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.flow-preview__grid div { min-width: 0; padding: 22px 22px 24px 0; }
.flow-preview__grid div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.flow-preview__grid span { display: block; color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.flow-preview__grid strong { display: block; margin-top: 7px; overflow-wrap: anywhere; font-size: 14px; }
.flow-preview__note { margin: 22px 0 0; color: var(--red); }
.text-link { display: inline-block; margin-top: 22px; color: var(--blue-soft); text-underline-offset: 4px; }
.authority--compact { margin-top: 84px; padding: 54px; border-top: 1px solid var(--line-strong); background: var(--surface); }
.authority--compact h2 { max-width: 15ch; font-size: clamp(40px, 5vw, 58px); }
.authority--compact .authority__copy > p:not(.eyebrow) { font-size: 17px; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; min-height: 0; padding-block: 56px 68px; gap: 46px; }
  .hero__copy { text-align: center; margin-inline: auto; }
  .hero h1 { max-width: 13ch; margin-inline: auto; }
  .hero__lead { margin-inline: auto; }
  .hero__proof { justify-content: center; }
  .registration { width: min(560px, 100%); margin-inline: auto; }
  .hero__signal { inset: 0; }
  .agent-map { grid-template-columns: 1fr; }
  .agent-map__connector { width: 1px; height: 42px; margin-inline: 50%; }
  .agent-map__connector::after { right: -4px; top: auto; bottom: 0; transform: rotate(135deg); }
  .agent-map__step p { max-width: 55ch; }
  .fit__grid, .authority__grid { grid-template-columns: 1fr; gap: 52px; }
  .authority__portrait { min-height: 330px; }
}

@media (max-width: 640px) {
  .shell, .confirmation { width: min(100% - 32px, var(--shell)); }
  .topbar__inner { min-height: 62px; }
  .topbar__tag { display: none; }
  .brand { font-size: 13px; }
  .brand__mark { width: 31px; height: 31px; }
  .hero__grid { padding-block: 28px 48px; gap: 18px; }
  .hero h1 { max-width: none; margin-top: 16px; font-size: clamp(38px, 10.6vw, 46px); }
  .hero__lead { display: none; }
  .hero__proof { display: none; }
  .registration { padding: 18px; }
  .registration__head { display: none; }
  .registration h2 { font-size: 27px; }
  .field { margin-bottom: 10px; }
  .field label { margin-bottom: 5px; }
  .field input { min-height: 50px; }
  .field__error { min-height: 0; }
  .field__error:empty { display: none; }
  .button { min-height: 54px; }
  .form-note { margin-top: 9px; }
  .mechanism, .fit, .authority { padding: 74px 0; }
  .section-heading h2, .fit h2, .authority h2 { font-size: clamp(38px, 11.8vw, 52px); }
  .section-heading > p:last-child { font-size: 16px; }
  .agent-map { margin-top: 40px; }
  .agent-map__step { padding-inline: 18px; }
  .fit__lane { grid-template-columns: 40px 1fr; column-gap: 14px; }
  .fit__symbol { width: 36px; height: 36px; }
  .authority__portrait { min-height: 285px; padding: 24px; }
  .authority__initials { font-size: 118px; }
  .authority__numbers { grid-template-columns: 1fr; }
  .authority__numbers div { padding: 18px 0; border-bottom: 1px solid var(--line); }
  .footer__inner { min-height: 82px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 6px; }
  .confirmation { padding: 56px 0 82px; }
  .confirmation__halo { width: 82px; height: 82px; margin-bottom: 22px; }
  .confirmation__halo svg { width: 58px; height: 58px; }
  .confirmation h1 { font-size: clamp(48px, 14vw, 64px); }
  .confirmation__lead { font-size: 16px; }
  .session-card { grid-template-columns: 1fr; margin-top: 44px; }
  .next-step__rail { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); }
  .next-step__content { padding: 28px 20px; }
  .next-step h2 { font-size: clamp(36px, 11vw, 48px); }
  .countdown { padding: 18px 10px; }
  .countdown__row strong { font-size: 34px; }
  .countdown__row span { font-size: 11px; }
  .session-link__control { grid-template-columns: 1fr; }
  .session-link__control input { border-right: 1px solid var(--line-strong); }
  .session-link__control button { min-height: 48px; }
  .room-demo { grid-template-columns: 1fr; }
  .room-demo__screen { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .room-demo__copy { padding: 28px 20px; }
  .flow-preview { padding-top: 60px; }
  .flow-preview h2 { font-size: clamp(38px, 11.5vw, 50px); }
  .flow-preview__grid { grid-template-columns: 1fr; }
  .flow-preview__grid div { padding: 18px 0; }
  .flow-preview__grid div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .authority--compact { margin-top: 62px; padding: 38px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
