:root {
  --bg: #030506;
  --bg-soft: #080b0e;
  --surface: #0b0f12;
  --surface-strong: #10161b;
  --line: rgba(235, 245, 250, 0.12);
  --line-strong: rgba(235, 245, 250, 0.22);
  --text: #f2f7fa;
  --muted: #a5b0b9;
  --brand: #00daf5;
  --brand-soft: rgba(0, 218, 245, 0.12);
  --accent: #a0ff42;
  --danger: #ffb56b;
  --display: "Chakra Petch", system-ui, sans-serif;
  --body: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1180px;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
}

@property --cta-glow-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 14% 8%, rgba(0, 218, 245, 0.08), transparent 30rem),
    radial-gradient(circle at 88% 26%, rgba(160, 255, 66, 0.045), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: from-font;
  text-underline-position: from-font;
}

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

::selection {
  background: var(--brand);
  color: #001014;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 50;
  inset-block-start: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 5, 6, 0.84);
  backdrop-filter: blur(18px) saturate(135%);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  flex: 0 0 auto;
}

.nav-logo img {
  width: 124px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a:not(.button) {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 180ms ease;
}

.nav-links a:not(.button):hover,
.nav-links a:not(.button):focus-visible {
  color: var(--text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 16px currentColor;
  content: "";
}

h1,
h2,
h3,
p {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  margin-block-end: 24px;
  font-size: clamp(3.1rem, 8.2vw, 7.8rem);
  letter-spacing: -0.065em;
  text-transform: uppercase;
}

h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 247, 250, 0.5);
}

h2 {
  margin-block-end: 22px;
  font-size: clamp(2.1rem, 4.5vw, 4.4rem);
  letter-spacing: -0.04em;
}

h3 {
  margin-block-end: 10px;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

.lede,
.section-intro,
.body-copy {
  color: var(--muted);
  text-wrap: pretty;
}

.lede {
  max-width: 43rem;
  margin-block-end: 30px;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.55;
}

.section-intro {
  max-width: 42rem;
  margin-block-end: 44px;
  font-size: 1.08rem;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button::after {
  content: "→";
  transition: transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:hover::after {
  transform: translateX(3px);
}

.button:active {
  transform: translateY(0) scale(0.985);
}

.button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.button-primary {
  position: relative;
  isolation: isolate;
  background: var(--brand);
  box-shadow: 0 10px 36px rgba(0, 218, 245, 0.17);
  color: #001014;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: rgba(202, 248, 255, 0.86);
  background: #31e5fa;
  box-shadow: 0 14px 44px rgba(0, 218, 245, 0.27);
}

.button-primary:focus-visible {
  outline-color: rgba(129, 237, 255, 0.95);
}

@supports ((-webkit-mask-composite: xor) or (mask-composite: exclude)) {
  .button-primary::before {
    position: absolute;
    z-index: 1;
    inset: -1px;
    padding: 2px;
    border-radius: inherit;
    background: conic-gradient(
      from var(--cta-glow-angle),
      transparent 0deg 218deg,
      rgba(112, 124, 255, 0.42) 238deg,
      rgba(164, 244, 255, 0.95) 264deg,
      rgba(0, 218, 245, 0.78) 292deg,
      transparent 322deg 360deg
    );
    content: "";
    opacity: 0;
    pointer-events: none;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: opacity 180ms ease;
  }

  .button-primary:focus-visible::before {
    opacity: 1;
    animation: cta-border-orbit 2.4s linear infinite;
  }

  .button-primary:hover,
  .button-primary:focus-visible {
    border-color: transparent;
  }
}

@media (hover: hover) and (pointer: fine) {
  @supports ((-webkit-mask-composite: xor) or (mask-composite: exclude)) {
    .button-primary:hover::before {
      opacity: 1;
      animation: cta-border-orbit 2.4s linear infinite;
    }
  }
}

@supports ((-webkit-mask-composite: xor) or (mask-composite: exclude)) {
  .site-header .nav .button-primary {
    border-color: transparent;
  }

  .site-header .nav .button-primary::before {
    background: conic-gradient(
      from var(--cta-glow-angle),
      rgba(0, 82, 218, 0.36) 0deg 190deg,
      rgba(0, 105, 255, 0.84) 210deg,
      rgba(0, 184, 255, 1) 234deg,
      rgba(46, 235, 255, 1) 250deg,
      rgba(164, 216, 232, 0.94) 258deg,
      rgba(160, 255, 66, 0.98) 267deg,
      rgba(250, 254, 255, 1) 271deg,
      rgba(65, 229, 255, 1) 280deg,
      rgba(0, 161, 255, 0.98) 296deg,
      rgba(0, 86, 235, 0.86) 322deg,
      rgba(0, 82, 218, 0.36) 344deg 360deg
    );
    filter: drop-shadow(0 0 3px rgba(35, 221, 255, 0.82))
      drop-shadow(0 0 7px rgba(0, 105, 255, 0.46));
    opacity: 1;
    animation: cta-border-orbit 4.5s linear infinite;
  }
}

@keyframes cta-border-orbit {
  to {
    --cta-glow-angle: 360deg;
  }
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.button-secondary:hover {
  border-color: rgba(0, 218, 245, 0.45);
  background: var(--brand-soft);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 77px);
  align-items: center;
  overflow: hidden;
  padding-block: clamp(76px, 10vw, 132px);
}

.hero::after {
  position: absolute;
  inset: auto -10% -36% 36%;
  width: 52vw;
  height: 52vw;
  border: 1px solid rgba(0, 218, 245, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 90px rgba(0, 218, 245, 0.05), inset 0 0 90px rgba(0, 218, 245, 0.04);
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.price-lockup {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-block: 28px 24px;
  font-family: var(--display);
}

.price-lockup strong {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
}

.price-lockup span {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-line {
  margin-block: 18px 0;
  color: #c5ced5;
  font-size: 0.86rem;
}

.signal-card {
  position: relative;
  min-height: 480px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 42%),
    rgba(7, 10, 12, 0.76);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.signal-card::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 35px, rgba(255, 255, 255, 0.025) 35px 36px);
  content: "";
}

.signal-card-header,
.signal-card-footer {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
}

.live-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 15px currentColor;
  content: "";
}

.waveform {
  position: absolute;
  z-index: 2;
  inset: 50% 24px auto;
  width: calc(100% - 48px);
  transform: translateY(-50%);
}

.waveform path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.signal-card-footer {
  position: absolute;
  inset: auto 26px 26px;
}

.section {
  position: relative;
  padding-block: clamp(82px, 10vw, 144px);
}

.section-bordered {
  border-block: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(8, 11, 14, 0.72);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: clamp(54px, 9vw, 120px);
}

.statement-card {
  align-self: start;
  padding: 30px;
  border-inline-start: 2px solid var(--brand);
  background: linear-gradient(90deg, var(--brand-soft), transparent);
}

.statement-card p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.3;
}

.statement-card small {
  display: block;
  margin-block-start: 16px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.deliverables li {
  min-height: 152px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.022);
  color: #dfe7ec;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.deliverables li:hover {
  border-color: rgba(0, 218, 245, 0.28);
  background: rgba(0, 218, 245, 0.045);
  transform: translateY(-2px);
}

.item-number {
  display: block;
  margin-block-end: 24px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}

.process-step {
  position: relative;
  min-height: 236px;
  padding: 30px 26px;
}

.process-step + .process-step {
  border-inline-start: 1px solid var(--line);
}

.process-step strong {
  display: block;
  margin-block-end: 54px;
  color: var(--brand);
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.process-step p {
  margin: 0;
  color: var(--muted);
}

.process-quote {
  margin: 34px 0 0;
  color: var(--text);
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  text-align: center;
}

.listener-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(46px, 9vw, 110px);
}

.listener-photo {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.listener-photo img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: 76% center;
  filter: saturate(0.82) contrast(1.04) brightness(0.84);
}

.listener-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 5, 6, 0.82), transparent 55%);
  content: "";
}

.credentials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
  padding: 0;
  margin: 32px 0 0;
  list-style: none;
}

.credentials li {
  padding-block-start: 14px;
  border-block-start: 1px solid var(--line);
  color: #d9e2e7;
}

.independence {
  position: relative;
  padding: clamp(34px, 6vw, 68px);
  border: 1px solid rgba(0, 218, 245, 0.24);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(115deg, rgba(0, 218, 245, 0.07), transparent 48%),
    var(--surface);
  overflow: hidden;
}

.independence::after {
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), rgba(160, 255, 66, 0.5), transparent 72%);
  content: "";
}

.independence > * {
  position: relative;
  z-index: 1;
}

.independence h2 {
  max-width: 900px;
}

.independence-copy {
  max-width: 750px;
}

.independence-copy p {
  margin-block-end: 18px;
  color: #d5dee3;
  font-size: 1.08rem;
  text-wrap: pretty;
}

.independence-copy p:last-child {
  margin-block-end: 0;
}

.policy-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  margin-block-start: clamp(36px, 6vw, 64px);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.policy-card h3 {
  margin-block-end: 16px;
  color: var(--accent);
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.policy-card p {
  margin-block-end: 16px;
  color: var(--muted);
  font-size: 0.95rem;
  text-wrap: pretty;
}

.policy-card strong {
  color: var(--text);
}

.policy-note {
  grid-column: 1 / -1;
  padding-block-start: 22px;
  margin-block-end: 0 !important;
  border-block-start: 1px solid var(--line);
  color: #c7d2d8 !important;
  font-size: 0.86rem !important;
  line-height: 1.7;
}

.policy-list {
  padding: 0;
  margin: 14px 0 18px;
  list-style: none;
}

.policy-list li {
  position: relative;
  padding-inline-start: 20px;
  color: #dce5ea;
}

.policy-list li + li {
  margin-block-start: 7px;
}

.policy-list li::before {
  position: absolute;
  inset: 0 auto auto 0;
  color: var(--brand);
  content: "—";
}

.policy-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration-color: rgba(0, 218, 245, 0.45);
  text-underline-offset: 4px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.policy-link:hover {
  color: #5deafb;
  text-decoration-color: currentColor;
}

.faq-list {
  max-width: 900px;
  border-block-start: 1px solid var(--line);
}

details {
  border-block-end: 1px solid var(--line);
}

summary {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--text);
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  color: var(--brand);
  content: "+";
  font-family: var(--body);
  font-size: 1.45rem;
  font-weight: 400;
}

details[open] summary::after {
  content: "−";
}

details p {
  max-width: 700px;
  margin-block: -4px 24px;
  color: var(--muted);
  text-wrap: pretty;
}

.final-cta {
  text-align: center;
}

.final-cta h2 {
  max-width: 900px;
  margin-inline: auto;
}

.final-cta .section-intro {
  margin-inline: auto;
}

.checkout-status {
  max-width: 560px;
  min-height: 24px;
  margin: 18px auto 0;
  color: var(--danger);
  font-size: 0.9rem;
}

.site-footer {
  padding-block: 32px;
  border-block-start: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner a {
  color: var(--text);
}

/* Submission page */
.submit-main {
  padding-block: clamp(64px, 9vw, 112px);
}

.submit-intro {
  max-width: 760px;
  margin-block-end: 44px;
}

.submit-intro h1 {
  font-size: clamp(2.7rem, 6vw, 5.7rem);
}

.submit-delivery {
  max-width: 680px;
  margin-block: -12px 0;
  color: #d5dee3;
  font-size: 1.02rem;
}

.access-state {
  position: relative;
  max-width: 880px;
  min-height: 390px;
  padding: clamp(34px, 7vw, 72px);
  overflow: hidden;
  border: 1px solid rgba(0, 218, 245, 0.24);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(160, 255, 66, 0.07), transparent 34%),
    radial-gradient(circle at 8% 92%, rgba(0, 218, 245, 0.1), transparent 38%),
    rgba(11, 15, 18, 0.92);
  box-shadow: var(--shadow);
}

.access-state[hidden],
#paid-content[hidden],
.access-actions[hidden] {
  display: none;
}

.access-state h1 {
  max-width: 760px;
  margin-block-end: 24px;
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.access-state .lede {
  max-width: 650px;
}

.access-indicator {
  position: absolute;
  inset-block-start: clamp(26px, 5vw, 48px);
  inset-inline-end: clamp(26px, 5vw, 48px);
  width: 38px;
  height: 38px;
  border: 2px solid rgba(0, 218, 245, 0.18);
  border-block-start-color: var(--brand);
  border-radius: 50%;
  animation: access-spin 850ms linear infinite;
}

.access-indicator-denied {
  border: 0;
  animation: none;
}

.access-indicator-denied::before,
.access-indicator-denied::after {
  position: absolute;
  inset: 17px 4px auto;
  height: 2px;
  border-radius: 2px;
  background: var(--danger);
  content: "";
}

.access-indicator-denied::before {
  transform: rotate(45deg);
}

.access-indicator-denied::after {
  transform: rotate(-45deg);
}

.access-actions {
  margin-block-start: 30px;
}

.access-actions p {
  max-width: 620px;
  margin-block: 20px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.access-actions p a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes access-spin {
  to {
    transform: rotate(360deg);
  }
}

.verification-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid rgba(0, 218, 245, 0.2);
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: #dce8ed;
}

.verification-note strong {
  color: var(--brand);
  font-family: var(--display);
}

.form-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: start;
}

.feedback-form {
  padding: clamp(24px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 18, 0.88);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
}

.field {
  min-width: 0;
}

.field-full {
  grid-column: 1 / -1;
}

label,
.field-label {
  display: block;
  margin-block-end: 8px;
  color: #e7eef2;
  font-size: 0.9rem;
  font-weight: 500;
}

.required {
  color: var(--brand);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #070a0c;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

input,
select {
  min-height: 52px;
  padding-inline: 15px;
}

textarea {
  min-height: 132px;
  padding: 14px 15px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #69747d;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(255, 255, 255, 0.34);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  background: #090d10;
  box-shadow: 0 0 0 4px rgba(0, 218, 245, 0.09);
}

input:user-invalid,
textarea:user-invalid {
  border-color: rgba(255, 107, 107, 0.72);
}

.field-hint {
  margin-block: 7px 0;
  color: #7f8b94;
  font-size: 0.8rem;
}

.checkbox-field {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
  padding: 18px;
  border: 1px solid rgba(160, 255, 66, 0.26);
  border-radius: var(--radius-sm);
  background: rgba(160, 255, 66, 0.045);
}

.checkbox-field input {
  width: 20px;
  min-height: 20px;
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.checkbox-field label {
  margin: 0;
  line-height: 1.5;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-block-start: 28px;
}

.form-status {
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
}

.form-actions .button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.submission-success {
  position: relative;
  max-width: 880px;
  min-height: 420px;
  padding: clamp(36px, 7vw, 76px);
  overflow: hidden;
  border: 1px solid rgba(0, 218, 245, 0.28);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(160, 255, 66, 0.09), transparent 34%),
    radial-gradient(circle at 8% 92%, rgba(0, 218, 245, 0.11), transparent 38%),
    rgba(11, 15, 18, 0.92);
  box-shadow: var(--shadow);
  animation: success-reveal 420ms ease both;
}

.submission-success[hidden],
.form-shell[hidden] {
  display: none;
}

.submission-success h2 {
  max-width: 700px;
  margin-block-end: 24px;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
}

.submission-success p:not(.eyebrow) {
  max-width: 620px;
  color: #d5dee3;
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.submission-success .button {
  margin-block-start: 24px;
}

@keyframes success-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.submit-aside {
  position: sticky;
  inset-block-start: 108px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}

.submit-aside h2 {
  margin-block-end: 18px;
  font-size: 1.3rem;
}

.submit-aside ol {
  padding-inline-start: 20px;
  margin: 0;
  color: var(--muted);
}

.submit-aside li + li {
  margin-block-start: 12px;
}

.submit-aside .independence-mini {
  margin-block: 24px 0;
  padding-block-start: 20px;
  border-block-start: 1px solid var(--line);
  color: #d8e2e7;
  font-size: 0.88rem;
}

@media (max-width: 900px) {
  .nav-links a:not(.button) {
    display: none;
  }

  .hero-grid,
  .split,
  .listener-grid,
  .policy-card,
  .form-shell {
    grid-template-columns: 1fr;
  }

  .signal-card {
    min-height: 380px;
  }

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

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

  .process-step:nth-child(3) {
    border-inline-start: 0;
  }

  .process-step:nth-child(n + 3) {
    border-block-start: 1px solid var(--line);
  }

  .submit-aside {
    position: static;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .nav {
    min-height: 68px;
  }

  .nav-logo img {
    width: 104px;
  }

  .nav .button {
    min-height: 42px;
    padding: 10px 14px;
    font-size: 0.76rem;
  }

  .hero {
    min-height: auto;
    padding-block: 68px 82px;
  }

  h1 {
    font-size: clamp(2.9rem, 16vw, 4.5rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .signal-card {
    min-height: 310px;
    padding: 20px;
  }

  .signal-card-footer {
    inset: auto 20px 20px;
  }

  .deliverables,
  .credentials,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .deliverables li {
    min-height: 130px;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    min-height: 0;
    padding: 26px 10px;
  }

  .process-step + .process-step,
  .process-step:nth-child(3) {
    border-block-start: 1px solid var(--line);
    border-inline-start: 0;
  }

  .process-step strong {
    margin-block-end: 26px;
  }

  .listener-photo,
  .listener-photo img {
    min-height: 430px;
  }

  .independence {
    padding: 30px 24px;
  }

  .footer-inner,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .feedback-form {
    padding: 24px 18px;
  }

  .access-state {
    min-height: 420px;
    padding: 58px 24px 32px;
  }

  .access-state h1 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .access-indicator {
    inset-block-start: 22px;
    inset-inline-end: 22px;
    width: 30px;
    height: 30px;
  }

  .access-indicator-denied::before,
  .access-indicator-denied::after {
    inset-block-start: 14px;
  }

  .form-actions .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .button:hover,
  .deliverables li:hover,
  .access-indicator {
    transform: none;
  }

  .button-primary::before {
    animation: none !important;
  }
}