/* Code Blue Pool Tools — Holographic Water Observatory.
   Selected visual direction: 2026-09-05.
   Static-first, field-credible, reduced-motion safe. */

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url('/fonts/plus-jakarta-sans-latin-wght-normal.woff2') format('woff2-variations');
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-display: swap;
  font-weight: 300 700;
  src: url('/fonts/space-grotesk-latin-wght-normal.woff2') format('woff2-variations');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url('/fonts/jetbrains-mono-latin-wght-normal.woff2') format('woff2-variations');
}

:root {
  color-scheme: dark;
  --ink-950: #020817;
  --ink-925: #031022;
  --ink-900: #05152a;
  --ink-850: #081c35;
  --glass: rgba(7, 23, 44, 0.84);
  --glass-soft: rgba(10, 33, 58, 0.68);
  --line: rgba(128, 173, 205, 0.2);
  --line-bright: rgba(62, 220, 255, 0.48);
  --white: #f8fbff;
  --text: #e7eff8;
  --muted: #afbdd0;
  --quiet: #8293aa;
  --cyan: #39dcff;
  --cyan-deep: #08addd;
  --cyan-ink: #001925;
  --emerald: #51e6bc;
  --amber: #ffd166;
  --display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
  --content: 1400px;
  --edge: clamp(20px, 4vw, 72px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-high: 0 30px 80px rgba(0, 0, 0, 0.46);
  --header-height: 76px;
  --parallax-x: 0px;
  --parallax-y: 0px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ink-950);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: var(--white);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  min-height: 44px;
  padding: 11px 16px;
  transform: translateY(-140%);
  border-radius: var(--radius-sm);
  background: var(--cyan);
  color: var(--cyan-ink);
  font-family: var(--display);
  font-weight: 700;
  transition: transform 160ms ease;
}

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

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: var(--header-height);
  padding: 10px var(--edge);
  border-bottom: 1px solid rgba(128, 173, 205, 0.14);
  background: rgba(2, 8, 23, 0.82);
  backdrop-filter: blur(18px) saturate(130%);
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.topbar.is-scrolled {
  background: rgba(2, 8, 23, 0.95);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.34);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--white);
}

.brand:hover {
  color: var(--white);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(57, 220, 255, 0.24);
}

.brand-name {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand-name b {
  color: var(--cyan);
}

.brand-sub {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  white-space: nowrap;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.topnav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topnav a:hover {
  color: var(--cyan);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease,
    box-shadow 160ms ease, color 160ms ease;
}

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

.button-primary {
  border-color: rgba(148, 239, 255, 0.52);
  background: var(--cyan-deep);
  color: #001925;
  box-shadow: 0 14px 32px rgba(0, 168, 215, 0.24);
}

.button-primary:hover {
  background: #0fc4f1;
  color: #00111b;
  box-shadow: 0 18px 42px rgba(15, 196, 241, 0.33);
}

.button-primary img,
.button-secondary img,
.hero-bridge img,
.product-stage-action img,
.dose-demo summary img {
  filter: invert(87%) sepia(71%) saturate(1562%) hue-rotate(154deg) brightness(104%) contrast(102%);
}

.button-primary img {
  filter: brightness(0) saturate(100%) invert(7%) sepia(27%) saturate(2070%) hue-rotate(158deg) brightness(93%)
    contrast(103%);
}

.button-secondary {
  border-color: var(--line-bright);
  background: rgba(3, 15, 31, 0.7);
  color: var(--cyan);
  box-shadow: inset 0 0 24px rgba(57, 220, 255, 0.035);
}

.button-secondary:hover {
  border-color: var(--cyan);
  background: rgba(10, 38, 62, 0.9);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.26), inset 0 0 30px rgba(57, 220, 255, 0.08);
}

.topbar-cta {
  min-height: 44px;
  padding: 10px 18px;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 590px;
  padding-top: var(--header-height);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero-scene,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-scene {
  z-index: -3;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.035) translate3d(var(--parallax-x), var(--parallax-y), 0);
  transition: transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-shade {
  z-index: -2;
  background: rgba(1, 8, 20, 0.18);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(300px, 0.66fr);
  align-items: center;
  gap: clamp(34px, 5vw, 90px);
  width: min(100%, var(--content));
  min-height: calc(590px - var(--header-height));
  margin: 0 auto;
  padding: 54px var(--edge) 50px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow,
.section-kicker,
.release-marker,
.product-stage-label,
.product-stage-action,
.lab-card p,
.lab-card span,
.copyright {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cyan);
}

.eyebrow span {
  display: block;
  width: 46px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(57, 220, 255, 0.6);
}

.hero h1 {
  max-width: 650px;
  margin-top: 24px;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(51px, 5.2vw, 78px);
  font-weight: 700;
  letter-spacing: -0.052em;
  line-height: 0.94;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow: 0 12px 38px rgba(0, 0, 0, 0.55);
}

.hero h1 span {
  color: var(--cyan);
}

.hero-sub {
  max-width: 590px;
  margin-top: 22px;
  color: #ced9e6;
  font-size: 17px;
  line-height: 1.56;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}

.release-marker {
  position: relative;
  margin-top: 22px;
  padding-left: 16px;
  color: var(--cyan);
}

.release-marker::before {
  content: '';
  position: absolute;
  inset: -2px auto -2px 0;
  width: 2px;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(57, 220, 255, 0.7);
}

.hero-actions,
.release-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-bridge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  margin-top: 18px;
}

.hero-bridge a,
.text-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-bridge a:hover,
.text-button:hover {
  color: var(--cyan);
}

.product-stage {
  position: relative;
  justify-self: end;
  width: clamp(180px, 17vw, 245px);
  padding: 14px 14px 12px;
  border: 1px solid rgba(142, 227, 255, 0.44);
  border-radius: 28px;
  background: rgba(1, 10, 23, 0.72);
  box-shadow: var(--shadow-high), 0 0 54px rgba(57, 220, 255, 0.12);
  transform: perspective(1100px) rotateY(-8deg) rotateX(2deg)
    translate3d(calc(var(--parallax-x) * -0.7), calc(var(--parallax-y) * -0.7), 0);
  transition: border-color 180ms ease, transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 180ms ease;
}

.product-stage:hover {
  border-color: var(--cyan);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.55), 0 0 66px rgba(57, 220, 255, 0.2);
}

.product-stage > img {
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.product-stage-label {
  display: block;
  margin-bottom: 10px;
  color: var(--quiet);
  line-height: 1.45;
}

.product-stage-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  margin-top: 6px;
  color: var(--cyan);
}

.product-stage-action img {
  flex: 0 0 auto;
}

.proof-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 0 var(--edge);
  border-bottom: 1px solid var(--line);
  background: var(--ink-925);
}

.proof-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 122px;
  padding: 20px 24px;
  border-right: 1px solid var(--line);
}

.proof-item:first-child {
  border-left: 1px solid var(--line);
}

.proof-item > img,
.release-points img,
.lab-boundary img {
  filter: invert(87%) sepia(71%) saturate(1562%) hue-rotate(154deg) brightness(104%) contrast(102%);
}

.proof-item h2 {
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.proof-item p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.private-lab,
.release-section,
.field-story {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 70px var(--edge);
}

.private-lab {
  display: grid;
  grid-template-columns: minmax(250px, 0.68fr) minmax(0, 1.8fr);
  gap: clamp(34px, 4vw, 70px);
  background: var(--ink-950);
}

.section-kicker {
  color: var(--cyan);
}

.lab-intro h2,
.release-copy h2,
.field-story h2,
.checklist-dialog h2 {
  margin-top: 10px;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  text-transform: uppercase;
}

.lab-intro > p:not(.section-kicker),
.release-copy > p:not(.section-kicker):not(.policy-links),
.field-story-copy > p:not(.section-kicker),
.checklist-dialog .dialog-shell > p:not(.section-kicker) {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
}

.lab-boundary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  text-transform: uppercase;
}

.lab-boundary img {
  flex: 0 0 auto;
  margin-top: 1px;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.lab-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(128, 173, 205, 0.3);
  border-radius: var(--radius-md);
  background: var(--glass-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055), 0 24px 58px rgba(0, 0, 0, 0.25);
}

.lab-art {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 154px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 22, 43, 0.78);
}

.lab-object {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.76;
  filter: saturate(0.86) brightness(0.7) contrast(1.12);
  transform: scale(1.03);
}

.lab-lock {
  position: absolute;
  z-index: 2;
  inset: 50% auto auto 50%;
  padding: 7px;
  border: 1px solid rgba(57, 220, 255, 0.7);
  border-radius: 50%;
  background: rgba(2, 12, 26, 0.9);
  filter: invert(87%) sepia(71%) saturate(1562%) hue-rotate(154deg) brightness(104%) contrast(102%)
    drop-shadow(0 0 16px rgba(57, 220, 255, 0.48));
  transform: translate(-50%, -50%);
}

.lab-card h3 {
  min-height: 64px;
  padding: 18px 16px 5px;
  color: var(--white);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
}

.lab-card p {
  padding: 0 16px;
  color: var(--cyan);
  font-size: 12px;
}

.lab-card span {
  display: block;
  min-height: 55px;
  padding: 7px 16px 16px;
  color: var(--quiet);
  font-size: 12px;
  line-height: 1.45;
}

.release-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: clamp(50px, 7vw, 100px);
  align-items: start;
  border-top: 1px solid var(--line);
  background: var(--ink-925);
}

.release-points {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  list-style: none;
}

.release-points li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  color: var(--muted);
  font-size: 15px;
}

.release-points img {
  margin-top: 1px;
}

.policy-links {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.policy-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.policy-links span {
  color: var(--quiet);
}

.release-tools {
  display: grid;
  gap: 16px;
}

.checklist-panel,
.dose-demo {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.22);
}

.checklist-panel {
  padding: clamp(24px, 4vw, 36px);
}

.checklist-panel h3 {
  max-width: 620px;
  margin-top: 9px;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.08;
  text-transform: uppercase;
}

.checklist-panel > p:not(.section-kicker) {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.checklist-panel .button {
  margin-top: 22px;
}

.dose-demo {
  overflow: clip;
}

.dose-demo summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding: 14px 20px;
  cursor: pointer;
  color: var(--white);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dose-demo summary::-webkit-details-marker {
  display: none;
}

.dose-demo[open] summary {
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
}

.dose-demo[open] summary img {
  transform: rotate(90deg);
}

.dose-demo-content {
  padding: 22px;
}

.dose-demo-content > p:first-child {
  color: var(--muted);
  font-size: 14px;
}

.data {
  color: var(--cyan);
  font-family: var(--mono);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.calc-field {
  display: grid;
  gap: 8px;
}

.calc-field span,
.signup-form > label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.calc-field input,
.signup-row input {
  width: 100%;
  min-height: 52px;
  border: 1px solid rgba(128, 173, 205, 0.35);
  border-radius: var(--radius-sm);
  background: #020b1b;
  color: var(--white);
  font-family: var(--mono);
  font-size: 16px;
}

.calc-field input {
  padding: 10px 12px;
}

.calc-field input[aria-invalid='true'],
.signup-row input[aria-invalid='true'] {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 209, 102, 0.12);
}

.calc-result {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(81, 230, 188, 0.38);
  border-radius: var(--radius-sm);
  background: rgba(4, 31, 29, 0.76);
  text-align: center;
}

.calc-dose {
  color: var(--emerald);
  font-family: var(--mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
}

.calc-detail {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.calc-result.calc-warn {
  border-color: rgba(255, 209, 102, 0.5);
  background: rgba(42, 29, 5, 0.72);
}

.calc-warn .calc-dose {
  color: var(--amber);
}

.fine-print {
  margin-top: 14px;
  color: var(--quiet);
  font-size: 12px;
}

.field-story {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  gap: clamp(50px, 8vw, 120px);
  align-items: end;
  border-top: 1px solid var(--line);
}

.story-principles {
  padding-left: 26px;
  border-left: 2px solid var(--cyan);
}

.story-principles p {
  color: var(--muted);
  font-size: 15px;
}

.story-principles p + p {
  margin-top: 10px;
}

.story-principles strong {
  color: var(--white);
}

.story-principles .button {
  margin-top: 22px;
}

.footer {
  display: grid;
  grid-template-columns: minmax(270px, 1.2fr) minmax(280px, 0.9fr) auto;
  gap: 28px 48px;
  align-items: start;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 48px var(--edge) 26px;
  border-top: 1px solid var(--line);
  background: var(--ink-950);
}

.footer-brand p {
  max-width: 470px;
  margin-top: 10px;
  color: var(--quiet);
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 18px;
}

.footer-links a,
.footer-links button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  text-align: left;
}

.footer-links a:hover,
.footer-links button:hover {
  color: var(--cyan);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(7, 23, 44, 0.7);
}

.social-links a:hover {
  border-color: var(--cyan);
  background: rgba(10, 38, 62, 0.9);
}

.social-links img {
  filter: invert(90%) sepia(13%) saturate(362%) hue-rotate(174deg) brightness(102%) contrast(94%);
}

.footer-privacy {
  grid-column: 1 / -1;
  max-width: 920px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 12px;
}

.copyright {
  grid-column: 1 / -1;
  color: var(--quiet);
  font-size: 12px;
}

.checklist-dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  overflow: auto;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  color: var(--text);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.74);
}

.checklist-dialog::backdrop {
  background: rgba(0, 5, 15, 0.82);
  backdrop-filter: blur(8px);
}

.dialog-shell {
  position: relative;
  padding: clamp(28px, 6vw, 54px);
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  min-width: 58px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 10, 24, 0.8);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.dialog-close:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.checklist-dialog h2 {
  max-width: 570px;
  padding-right: 50px;
  font-size: clamp(31px, 6vw, 49px);
}

.signup-form {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.signup-form[hidden],
.signup-success[hidden],
.signup-message[hidden],
.signup-fallback[hidden] {
  display: none;
}

.signup-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.signup-row input {
  padding: 10px 14px;
}

.signup-row .button:disabled {
  cursor: wait;
  opacity: 0.66;
}

.consent-line,
.signup-message,
.signup-fallback,
.signup-success p {
  color: var(--muted);
  font-size: 12px;
}

.signup-error {
  color: var(--amber);
  font-weight: 700;
}

.signup-fallback {
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(51, 34, 4, 0.66);
}

.signup-fallback a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.signup-success {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(81, 230, 188, 0.44);
  border-radius: var(--radius-md);
  background: rgba(4, 31, 29, 0.76);
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

[data-reveal].is-visible {
  animation: reveal-in 620ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-copy[data-reveal].is-visible {
  animation: none;
}

@keyframes reveal-in {
  from {
    transform: translateY(18px);
  }

  to {
    transform: translateY(0);
  }
}

@media (max-width: 1160px) {
  .topnav {
    gap: 16px;
  }

  .brand-sub {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(235px, 0.55fr);
  }

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

  .proof-item:nth-child(2) {
    border-right: 0;
  }

  .proof-item:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .private-lab {
    grid-template-columns: 1fr;
  }

  .lab-intro {
    max-width: 670px;
  }

  .release-section {
    grid-template-columns: 1fr;
  }

  .release-copy {
    max-width: 720px;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  .topbar {
    gap: 10px;
  }

  .topnav {
    gap: 0;
    margin-left: auto;
  }

  .topnav a {
    display: none;
  }

  .topnav a[href='#platform'] {
    display: inline-flex;
  }

  .topbar-cta {
    margin-left: 0;
  }

  .hero {
    min-height: 790px;
  }

  .hero-scene {
    object-position: 66% center;
    opacity: 0.7;
  }

  .hero-shade {
    background: rgba(1, 8, 20, 0.34);
  }

  .hero-layout {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 30px;
    min-height: calc(790px - var(--header-height));
    padding-top: 46px;
  }

  .hero-copy {
    max-width: 660px;
  }

  .hero h1 {
    font-size: clamp(46px, 11.5vw, 70px);
  }

  .hero-sub {
    max-width: 560px;
  }

  .product-stage {
    justify-self: end;
    width: 160px;
    margin-right: 5vw;
  }

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

  .field-story {
    grid-template-columns: 1fr;
  }

  .story-principles {
    padding-top: 24px;
    padding-left: 0;
    border-top: 2px solid var(--cyan);
    border-left: 0;
  }

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

  .social-links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  :root {
    --edge: 18px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .topbar-cta {
    min-width: 88px;
    padding-inline: 13px;
    font-size: 12px;
  }

  .hero {
    min-height: 820px;
  }

  .hero-layout {
    min-height: calc(820px - var(--header-height));
    padding-top: 38px;
    padding-bottom: 34px;
  }

  .eyebrow span {
    width: 34px;
  }

  .hero h1 {
    margin-top: 18px;
    font-size: clamp(43px, 13.8vw, 61px);
  }

  .hero-sub {
    margin-top: 18px;
    font-size: 16px;
  }

  .release-marker {
    font-size: 12px;
  }

  .hero-actions,
  .release-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .release-actions .button {
    width: 100%;
  }

  .hero-bridge {
    display: grid;
    gap: 2px;
  }

  .hero-bridge a,
  .text-button {
    justify-content: flex-start;
  }

  .product-stage {
    justify-self: center;
    width: min(210px, 64vw);
    margin-right: 0;
    padding: 11px;
    border-radius: 21px;
  }

  .product-stage > img {
    border-radius: 14px;
  }

  .product-stage-label,
  .product-stage-action {
    font-size: 12px;
    letter-spacing: 0.06em;
  }

  .proof-rail {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:first-child {
    min-height: 102px;
    padding: 18px 0;
    border-right: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .proof-item:first-child {
    border-top: 0;
  }

  .private-lab,
  .release-section,
  .field-story {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .lab-intro h2,
  .release-copy h2,
  .field-story h2 {
    font-size: clamp(35px, 11vw, 48px);
  }

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

  .lab-art {
    min-height: 130px;
  }

  .lab-card h3 {
    min-height: 62px;
  }

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

  .footer {
    grid-template-columns: 1fr;
    padding-top: 40px;
  }

  .social-links {
    grid-column: auto;
  }

  .footer-privacy,
  .copyright {
    grid-column: auto;
  }

  .signup-row {
    grid-template-columns: 1fr;
  }

  .signup-row .button {
    width: 100%;
  }

  .dialog-shell {
    padding: 30px 20px 24px;
  }

  .checklist-dialog h2 {
    padding-right: 0;
    font-size: 31px;
  }

  .dialog-close {
    position: static;
    margin: 0 0 24px auto;
  }
}

@media (max-width: 374px) {
  .topnav {
    display: none;
  }

  .topbar-cta {
    margin-left: auto;
  }

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

  .lab-card h3 {
    min-height: auto;
  }
}

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

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

  .hero-scene,
  .product-stage {
    transform: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    animation: none !important;
  }
}