:root {
  color-scheme: dark;
  --bg: #050816;
  --bg-deep: #02040c;
  --surface: #0d1425;
  --surface-strong: #121c31;
  --surface-soft: rgba(13, 20, 37, 0.82);
  --text: #f6f8ff;
  --text-soft: #aeb8cc;
  --cyan: #52e3ff;
  --cyan-strong: #00b8df;
  --violet: #bd74ff;
  --orange: #ff9c58;
  --green: #61e6ad;
  --danger: #ff7585;
  --line: rgba(174, 184, 204, 0.2);
  --line-strong: rgba(82, 227, 255, 0.48);
  --shadow: rgba(0, 0, 0, 0.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--bg);
}

body,
button,
input,
select,
textarea {
  letter-spacing: 0;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.beta-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px clamp(18px, 5vw, 72px);
  background: rgba(2, 4, 12, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.beta-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}

.beta-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.beta-brand span {
  display: grid;
  font-size: 12px;
  line-height: 1.05;
  text-transform: uppercase;
}

.beta-brand strong {
  color: var(--cyan);
  font-size: 15px;
}

.beta-header nav,
.beta-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.beta-header nav a,
.beta-footer nav a {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.beta-header nav a:hover,
.beta-footer nav a:hover {
  color: var(--cyan);
}

.beta-hero {
  position: relative;
  display: grid;
  min-height: min(900px, 94vh);
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  padding: 118px clamp(20px, 7vw, 112px) clamp(70px, 8vh, 100px);
  background: var(--bg-deep);
}

.beta-hero__media {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.beta-hero__media::after {
  position: absolute;
  content: "";
  inset: 0;
  background: rgba(2, 4, 12, 0.62);
}

.beta-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.14) contrast(1.04);
  transform: scale(1.025);
}

.beta-hero__content {
  width: min(880px, 100%);
}

.beta-kicker {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.beta-hero h1,
.beta-section-heading h2,
.beta-expectations h2,
.beta-form-intro h2,
.beta-success h2 {
  margin: 0;
  max-width: 18ch;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 0.98;
}

.beta-hero h1 {
  font-size: clamp(44px, 7.2vw, 92px);
  text-wrap: balance;
}

.beta-lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: #d9e0ef;
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.5;
}

.beta-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.beta-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}

.beta-button--primary {
  color: #001019;
  background: var(--cyan);
  box-shadow: 0 12px 38px rgba(0, 184, 223, 0.24);
}

.beta-button--primary:hover {
  background: #9cf0ff;
}

.beta-button--ghost {
  color: var(--text);
  background: rgba(5, 8, 22, 0.68);
  border-color: var(--line-strong);
  backdrop-filter: blur(10px);
}

.beta-hero__facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 1px;
  width: min(860px, 100%);
  margin: 42px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.beta-hero__facts div {
  min-height: 96px;
  padding: 18px;
  background: rgba(2, 4, 12, 0.8);
}

.beta-hero__facts dt {
  color: var(--text);
  font-size: 26px;
  font-weight: 850;
}

.beta-hero__facts dd {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

.beta-container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.beta-band,
.beta-expectations,
.beta-technical,
.beta-form-section,
.beta-success {
  padding: clamp(72px, 9vw, 128px) 0;
}

.beta-band {
  background: #0a1020;
}

.beta-programme {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(44px, 7vw, 96px);
}

.beta-section-heading {
  align-self: start;
}

.beta-section-heading h2,
.beta-expectations h2,
.beta-form-intro h2,
.beta-success h2 {
  font-size: clamp(36px, 5vw, 66px);
}

.beta-section-heading > p:last-child,
.beta-form-intro > p,
.beta-success__inner > p {
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.7;
}

.beta-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.beta-steps article {
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.beta-steps article > span {
  color: var(--violet);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
}

.beta-steps h3 {
  margin: 44px 0 10px;
  font-size: 22px;
}

.beta-steps p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.beta-expectations {
  color: #10192a;
  background: #ecf2f7;
}

.beta-expectations .beta-kicker {
  color: #007f9c;
}

.beta-expectations__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 8vw, 120px);
}

.beta-expectations ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(16, 25, 42, 0.16);
}

.beta-expectations li {
  position: relative;
  padding: 18px 18px 18px 34px;
  border-bottom: 1px solid rgba(16, 25, 42, 0.16);
  font-size: 16px;
  line-height: 1.55;
}

.beta-expectations li::before {
  position: absolute;
  top: 25px;
  left: 8px;
  width: 8px;
  height: 8px;
  content: "";
  background: #008fab;
  transform: rotate(45deg);
}

.beta-technical {
  background: #07101d;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.beta-technical__layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(44px, 8vw, 112px);
  align-items: start;
}

.beta-technical__intro h2 {
  max-width: 14ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 5vw, 66px);
  font-weight: 600;
  line-height: 0.98;
}

.beta-technical__intro > p:last-child {
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.7;
}

.beta-faq {
  border-top: 1px solid var(--line-strong);
}

.beta-faq details {
  border-bottom: 1px solid var(--line);
}

.beta-faq summary {
  padding: 22px 4px;
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  cursor: pointer;
}

.beta-faq summary::marker {
  color: var(--cyan);
}

.beta-faq details[open] summary {
  color: var(--cyan);
}

.beta-faq details p {
  max-width: 76ch;
  margin: -4px 0 24px;
  padding-left: 20px;
  color: var(--text-soft);
  line-height: 1.72;
}

.beta-form-section {
  background: var(--bg-deep);
}

.beta-form-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(44px, 8vw, 112px);
  align-items: start;
}

.beta-form-intro {
  position: sticky;
  top: 104px;
}

.beta-trust-note {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 18px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.beta-trust-note strong {
  color: var(--green);
}

.beta-trust-note span {
  color: var(--text-soft);
  line-height: 1.55;
}

.beta-form {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 46px);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 30px 90px var(--shadow);
  backdrop-filter: blur(16px);
}

.beta-form fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.beta-form legend,
.beta-form label > span {
  display: block;
  margin-bottom: 8px;
  color: #dce5f4;
  font-size: 13px;
  font-weight: 800;
}

.beta-form label > small {
  display: block;
  margin-top: 7px;
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.5;
}

.beta-role-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.beta-role-switch legend {
  grid-column: 1 / -1;
}

.beta-role-switch label {
  position: relative;
  display: block;
}

.beta-role-switch input {
  position: absolute;
  opacity: 0;
}

.beta-role-switch label > span {
  min-height: 112px;
  margin: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
}

.beta-role-switch small {
  display: block;
  margin-top: 7px;
  color: var(--text-soft);
  font-weight: 500;
  line-height: 1.45;
}

.beta-role-switch input:checked + span {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(82, 227, 255, 0.26);
}

.beta-form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.beta-form input,
.beta-form select,
.beta-form textarea {
  width: 100%;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: none;
}

.beta-form input,
.beta-form select {
  min-height: 50px;
  padding: 11px 13px;
}

.beta-form textarea {
  min-height: 138px;
  padding: 13px;
  resize: vertical;
}

.beta-form input:focus,
.beta-form select:focus,
.beta-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(82, 227, 255, 0.12);
}

.beta-check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.beta-check-grid legend {
  grid-column: 1 / -1;
}

.beta-check-grid label {
  display: flex;
  min-height: 46px;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.beta-check-grid input,
.beta-consents input {
  width: 18px;
  min-height: 18px;
  margin: 0;
  accent-color: var(--cyan-strong);
}

.beta-check-grid label > span,
.beta-consents label > span {
  margin: 0;
  font-weight: 650;
}

.beta-consents {
  display: grid;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.beta-consents label {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
}

.beta-consents label > span {
  color: var(--text-soft);
  font-weight: 500;
  line-height: 1.5;
}

.beta-consents a {
  color: var(--cyan);
}

.beta-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.beta-form__footer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
}

.beta-form__status {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
}

.beta-form__status.is-error {
  color: var(--danger);
}

.beta-form__status.is-success {
  color: var(--green);
}

.beta-form.is-sending {
  opacity: 0.74;
  pointer-events: none;
}

.beta-success {
  background: #101a2b;
}

.beta-success__inner {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.beta-group-result {
  display: grid;
  gap: 8px;
  width: min(560px, 100%);
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
}

.beta-group-result > span {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.beta-group-result strong {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: clamp(24px, 5vw, 38px);
  overflow-wrap: anywhere;
}

.beta-legal {
  background:
    linear-gradient(180deg, rgba(5, 8, 22, 0.1), rgba(5, 8, 22, 0.92)),
    var(--surface-strong);
  border-top: 1px solid var(--line);
}

.beta-legal__heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.beta-legal__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.beta-legal details {
  align-self: start;
  background: rgba(9, 16, 32, 0.78);
  border: 1px solid var(--line);
  border-radius: 7px;
  scroll-margin-top: 100px;
}

.beta-legal details[open] {
  border-color: var(--line-strong);
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.24);
}

.beta-legal summary {
  padding: 20px;
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.beta-legal details > div {
  display: grid;
  gap: 12px;
  padding: 0 20px 22px;
}

.beta-legal details p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

.beta-legal details strong {
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.beta-footer {
  display: flex;
  min-height: 130px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 28px clamp(20px, 5vw, 72px);
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
}

.beta-footer > div {
  display: grid;
  gap: 5px;
}

.beta-footer strong {
  color: var(--cyan);
  text-transform: uppercase;
}

.beta-footer span {
  color: var(--text-soft);
  font-size: 12px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .beta-header nav {
    display: none;
  }

  .beta-hero {
    min-height: 820px;
  }

  .beta-hero__facts,
  .beta-steps,
  .beta-role-switch,
  .beta-form__row,
  .beta-check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .beta-programme,
  .beta-expectations__grid,
  .beta-technical__layout,
  .beta-form-layout,
  .beta-legal__grid {
    grid-template-columns: 1fr;
  }

  .beta-form-intro {
    position: static;
  }
}

@media (max-width: 580px) {
  .beta-header {
    min-height: 62px;
  }

  .beta-hero {
    min-height: 760px;
    padding-top: 96px;
  }

  .beta-hero h1 {
    max-width: 100%;
    font-size: 38px;
    line-height: 1.02;
    overflow-wrap: break-word;
  }

  .beta-hero__facts,
  .beta-steps,
  .beta-role-switch,
  .beta-form__row,
  .beta-check-grid {
    grid-template-columns: 1fr;
  }

  .beta-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .beta-steps article {
    min-height: auto;
  }

  .beta-form {
    padding: 20px;
  }

  .beta-form__footer,
  .beta-footer {
    grid-template-columns: 1fr;
  }

  .beta-form__footer {
    display: grid;
  }

  .beta-form__footer .beta-button {
    width: 100%;
  }

  .beta-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}