:root {
  color-scheme: light;
  --canvas: #e8ece7;
  --paper: #fafbf8;
  --ink: #14221d;
  --muted: #637069;
  --line: #cad2cb;
  --line-strong: #aab6ad;
  --spruce: #173f35;
  --teal: #087b76;
  --signal: #a6300f;
  --white: #f7fbf8;
  --page-width: 1120px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
  scrollbar-color: var(--spruce) var(--canvas);
}

section[id] {
  scroll-margin-top: 76px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: var(--white);
  background: var(--spruce);
}

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb {
  background: var(--spruce);
  border: 3px solid var(--canvas);
  border-radius: 8px;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
summary {
  font: inherit;
}

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

p,
h1,
h2,
h3,
dd,
summary {
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  font: 700 0.75rem/1 var(--mono);
  transform: translateY(-180%);
}

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

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.site-header,
main,
.site-footer {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  background: var(--paper);
  border-inline: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 10px 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font: 560 0.75rem/1 var(--mono);
}

.nav-links > a:not(.nav-status) {
  padding-block: 12px;
  border-bottom: 1px solid transparent;
}

.nav-links > a:not(.nav-status):hover {
  border-color: currentColor;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 17px;
  border: 1px solid var(--ink);
  font: 700 0.75rem/1.1 var(--mono);
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.nav-status,
.availability-label {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font: 700 0.75rem/1.1 var(--mono);
  cursor: default;
}

.nav-status::before,
.availability-label::before {
  width: 7px;
  height: 7px;
  content: "";
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--teal);
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-secondary {
  background: transparent;
}

.button-primary:hover {
  background: var(--spruce);
}

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

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

.nav-toggle {
  display: none;
  min-width: 46px;
  min-height: 46px;
  align-items: center;
  gap: 10px;
  border: 0;
  color: var(--ink);
  background: transparent;
  font: 700 0.75rem/1 var(--mono);
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  width: 18px;
  height: 1px;
  display: block;
  background: currentColor;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }

.hero {
  padding: clamp(70px, 10vw, 122px) 48px 68px;
  text-align: center;
}

.eyebrow,
.stage-index {
  margin: 0;
  color: var(--teal);
  font: 650 0.75rem/1.4 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 930px;
  margin: 26px auto 24px;
  font-size: clamp(3.2rem, 7.1vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.hero-copy {
  max-width: 690px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 34px;
}

.product-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1.18fr);
  gap: clamp(30px, 6vw, 78px);
  min-height: 650px;
  margin: 0 48px 44px;
  padding: clamp(32px, 5vw, 58px);
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 24%, rgba(72, 99, 220, 0.24), transparent 35%),
    radial-gradient(circle at 45% 60%, rgba(20, 184, 169, 0.24), transparent 38%),
    #071817;
  border: 1px solid #36514a;
}

.stage-copy {
  align-self: center;
}

.stage-copy h2 {
  margin: 22px 0 20px;
  font-size: clamp(2.2rem, 4.2vw, 3.65rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.stage-copy > p:not(.stage-index) {
  max-width: 410px;
  margin: 0;
  color: #bccbc4;
  font-size: 1rem;
  line-height: 1.6;
}

.stage-notes {
  margin: 38px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stage-notes div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  font: 0.75rem/1.45 var(--mono);
}

.stage-notes dt { color: #a4b7af; }
.stage-notes dd { margin: 0; }

.device-capture {
  width: min(100%, 354px);
  margin: 0 auto;
  align-self: end;
  position: relative;
}

.device-capture img {
  width: 100%;
  border: 8px solid #15201d;
  border-radius: 42px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.46);
}

.device-capture figcaption {
  margin-top: 13px;
  color: #94a69f;
  font: 0.8125rem/1.45 var(--mono);
  text-align: center;
  letter-spacing: 0.015em;
}

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

.proof-band div {
  min-width: 0;
  padding: 29px 26px;
  border-right: 1px solid var(--line);
}

.proof-band div:last-child { border-right: 0; }

.proof-band strong {
  display: block;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.proof-band span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font: 0.8125rem/1.4 var(--mono);
}

.product-section,
.faq-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(44px, 8vw, 100px);
  padding: clamp(68px, 9vw, 104px) 54px;
  border-bottom: 1px solid var(--line);
}

.section-intro h2,
.story-section h2,
.availability-section h2 {
  margin: 18px 0;
  font-size: clamp(2.35rem, 5vw, 4.25rem);
  line-height: 0.97;
  letter-spacing: -0.04em;
}

.section-intro > p:not(.eyebrow),
.story-section > p:not(.eyebrow) {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.feature-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
  padding: 21px 0;
  border-bottom: 1px solid var(--line-strong);
}

.feature-list h3 {
  margin: 0;
  font-size: 1rem;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.privacy-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 54px;
  overflow: hidden;
  color: var(--white);
  background: var(--spruce);
}

.privacy-copy {
  padding: clamp(38px, 6vw, 62px);
}

.eyebrow-light { color: #70ded4; }

.privacy-copy h2 {
  margin: 20px 0;
  font-size: clamp(2.3rem, 4.8vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.privacy-copy > p:not(.eyebrow) {
  color: #c8e1d7;
  line-height: 1.58;
}

.privacy-copy ul {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.privacy-copy li {
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  font: 0.8125rem/1.45 var(--mono);
}

.privacy-art {
  position: relative;
  min-height: 520px;
  margin: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.privacy-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.privacy-art figcaption {
  position: absolute;
  left: 24px;
  bottom: 24px;
  padding: 10px 12px;
  color: var(--spruce);
  background: var(--white);
  font: 0.8125rem/1.35 var(--mono);
  letter-spacing: 0.015em;
}

.story-section,
.availability-section {
  padding: clamp(76px, 11vw, 130px) 54px;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.story-section h2,
.availability-section h2 {
  max-width: 870px;
  margin-inline: auto;
}

.story-section > p:not(.eyebrow),
.availability-section > p:not(.eyebrow) {
  max-width: 720px;
  margin-inline: auto;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 30px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font: 700 0.76rem/1.3 var(--mono);
}

.contact-email {
  display: block;
  width: fit-content;
  margin: 8px auto 0;
  padding: 8px 0;
  color: var(--muted);
  font: 0.8125rem/1.4 var(--mono);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.compact h2 { font-size: clamp(2.2rem, 4vw, 3.4rem); }

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

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

.faq-list summary {
  position: relative;
  padding: 22px 44px 22px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  font: 1.2rem/1 var(--mono);
}

.faq-list details[open] summary::after { content: "−"; }

.faq-list details p {
  max-width: 620px;
  margin: -4px 0 22px;
  color: var(--muted);
  line-height: 1.55;
}

.availability-section {
  border-top: 0;
}

.availability-section .button { margin-top: 28px; }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center;
  padding: 28px 34px;
  border-top: 0;
  color: var(--muted);
  font: 0.75rem/1.4 var(--mono);
}

.footer-brand {
  min-height: 44px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.92rem;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 10px;
}

@media (max-width: 800px) {
  .site-header,
  main,
  .site-footer {
    border-inline: 0;
  }

  .nav-shell { padding-inline: 20px; }
  .nav-toggle { display: inline-flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    padding: 12px 20px 20px;
    color: var(--ink);
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: grid;
    gap: 0;
  }

  .nav-links > a:not(.nav-status) {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-status { margin-top: 14px; }

  .availability-label {
    width: 100%;
    justify-content: center;
  }

  .hero { padding: 76px 24px 54px; }

  .hero-actions {
    width: min(100%, 390px);
    margin-inline: auto;
    flex-direction: column;
  }

  .button { width: 100%; }

  .product-stage {
    grid-template-columns: 1fr;
    margin-inline: 18px;
    padding: 34px 24px;
  }

  .device-capture { width: min(100%, 310px); }

  .proof-band { grid-template-columns: repeat(2, 1fr); }
  .proof-band div:nth-child(2) { border-right: 0; }
  .proof-band div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }

  .product-section,
  .faq-section {
    grid-template-columns: 1fr;
    padding: 72px 26px;
  }

  .privacy-section {
    grid-template-columns: 1fr;
    margin: 34px 18px;
  }

  .privacy-art {
    min-height: 360px;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
  }

  .story-section,
  .availability-section {
    padding-inline: 26px;
  }

  .availability-section { padding-block: 64px; }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 28px 22px;
  }
}

@media (max-width: 520px) {
  .brand span { font-size: 0.98rem; }
  .nav-toggle-label { display: none; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.25rem); }

  .feature-list li {
    grid-template-columns: 1fr;
  }

  .feature-list p { grid-column: 1; }

  .privacy-art figcaption {
    right: 18px;
    left: 18px;
    text-align: center;
  }
}

@media (max-width: 340px) {
  .proof-band { grid-template-columns: 1fr; }
  .proof-band div,
  .proof-band div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .proof-band div:last-child { border-bottom: 0; }
}

@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;
  }
}