:root {
  /* Light theme - default */
  --brand: oklch(0.4858 0.0697 200.39);
  --brand-deep: oklch(0.28 0.052 197);
  --brand-mid: oklch(0.58 0.075 200);
  --paper: oklch(0.94 0.018 175);
  --paper-deep: oklch(0.885 0.026 175);
  --ink: oklch(0.23 0.035 190);
  --muted: oklch(0.46 0.035 190);
  --line: color-mix(in oklch, var(--brand) 28%, transparent);
  --error: oklch(0.48 0.13 28);
  --success: oklch(0.48 0.08 142);
  --display: 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Noto Sans SC', 'PingFang SC', sans-serif;
  --mono: 'DM Mono', 'SFMono-Regular', monospace;
  --latin-display: 'Instrument Serif', 'Times New Roman', serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: oklch(0.58 0.08 199);
    --brand-deep: oklch(0.42 0.065 198);
    --brand-mid: oklch(0.68 0.09 201);
    --paper: oklch(0.18 0.02 175);
    --paper-deep: oklch(0.14 0.02 175);
    --ink: oklch(0.92 0.02 190);
    --muted: oklch(0.60 0.02 190);
    --line: color-mix(in oklch, var(--brand) 22%, transparent);
  }
}

:root[data-theme="dark"] {
  --brand: oklch(0.58 0.08 199);
  --brand-deep: oklch(0.42 0.065 198);
  --brand-mid: oklch(0.68 0.09 201);
  --paper: oklch(0.18 0.02 175);
  --paper-deep: oklch(0.14 0.02 175);
  --ink: oklch(0.92 0.02 190);
  --muted: oklch(0.60 0.02 190);
  --line: color-mix(in oklch, var(--brand) 22%, transparent);
}

:root[data-theme="light"] {
  --brand: oklch(0.4858 0.0697 200.39);
  --brand-deep: oklch(0.28 0.052 197);
  --brand-mid: oklch(0.58 0.075 200);
  --paper: oklch(0.94 0.018 175);
  --paper-deep: oklch(0.885 0.026 175);
  --ink: oklch(0.23 0.035 190);
  --muted: oklch(0.46 0.035 190);
  --line: color-mix(in oklch, var(--brand) 28%, transparent);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 83% 46%, color-mix(in oklch, var(--brand-mid) 14%, transparent), transparent 32rem),
    linear-gradient(115deg, var(--paper) 0%, color-mix(in oklch, var(--paper) 75%, white) 100%);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: '';
  opacity: 0.32;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

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

a {
  color: inherit;
}

.page-shell {
  display: flex;
  flex-direction: column;
  width: min(100%, 1600px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4.8vw, 5.5rem);
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  font-weight: 400;
}

.site-header {
  min-height: 5.75rem;
}

.wordmark {
  font-family: var(--latin-display);
  font-size: 2rem;
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.045em;
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.5rem);
}

.header-note {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--muted);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.language-button {
  height: auto;
  padding: 0.35rem 0.3rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
}

.language-button:hover,
.language-button.is-active {
  color: var(--brand);
  transform: none;
}

.language-button.is-active {
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

.language-button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 0.3rem;
}

.status-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 0.25rem color-mix(in oklch, var(--brand) 12%, transparent);
}

main {
  flex: 1;
  display: flex;
}

.hero {
  display: grid;
  grid-template-columns: minmax(22rem, 0.88fr) minmax(30rem, 1.12fr);
  width: 100%;
  min-height: min(43rem, calc(100svh - 10.5rem));
  margin: auto 0;
  padding: clamp(4rem, 9vh, 8.5rem) 0 clamp(4rem, 8vh, 7rem);
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-right: clamp(2rem, 6vw, 8rem);
}

.eyebrow,
.tiny-label,
.visual-caption,
.visual-index {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.055em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 clamp(2.1rem, 5vh, 4.2rem);
  color: var(--brand);
}

.eyebrow span {
  font-size: 1rem;
  line-height: 0;
}

h1 {
  max-width: 11em;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.65rem, 4.25vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.072em;
  line-height: 1.15;
  text-wrap: balance;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1 em {
  color: var(--brand);
  font-style: normal;
  font-weight: 600;
}

.intro {
  margin: clamp(1.9rem, 4vh, 3.2rem) 0 0;
  color: var(--muted);
  font-family: var(--display);
  font-size: clamp(1.15rem, 1.45vw, 1.6rem);
  font-weight: 400;
  letter-spacing: -0.056em;
  line-height: 1.8;
  max-width: 45rem;
}

.waitlist-form {
  width: min(100%, 29rem);
  margin-top: clamp(2.4rem, 5vh, 4.5rem);
}

.waitlist-fields {
  display: flex;
  border-bottom: 2px solid var(--line);
  transition: border-color 200ms ease;
}

.waitlist-form:has(input:focus-visible) .waitlist-fields {
  border-color: var(--brand);
}

.turnstile-wrap {
  min-height: 4.5rem;
  padding-top: 1.2rem;
  display: flex;
  align-items: flex-start;
}

.cf-turnstile {
  min-height: 3.2rem;
  transform-origin: top left;
}

.turnstile-hint {
  margin: 0;
  padding: 0.4rem 0 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.input-wrap {
  position: relative;
  flex: 1;
}

input,
button {
  height: 3.55rem;
  border: 0;
  border-radius: 0;
  font-family: var(--sans);
}

input {
  width: 100%;
  padding: 0 2rem 0 0;
  color: var(--ink);
  outline: 0;
  background: transparent;
  font-family: var(--mono);
  font-size: 0.77rem;
  letter-spacing: 0.01em;
  transition: color 200ms ease;
}

input::placeholder {
  color: color-mix(in oklch, var(--muted) 60%, transparent);
  transition: color 200ms ease;
}

input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 0.5rem;
}

input:focus-visible::placeholder {
  color: color-mix(in oklch, var(--muted) 40%, transparent);
}

.input-arrow {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  color: var(--brand);
  font-family: var(--mono);
  font-size: 1rem;
  transform: translateY(-50%);
}

button {
  padding: 0 0 0 1.25rem;
  color: var(--brand);
  background: transparent;
  cursor: pointer;
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 200ms ease, transform 200ms ease, text-shadow 200ms ease;
  text-shadow: none;
}

button span {
  display: inline-block;
  margin-left: 0.55rem;
  font-family: var(--mono);
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 200ms ease;
}

button:hover {
  color: var(--brand);
  transform: translateX(0.15rem);
}

button:hover span {
  transform: translateX(0.35rem);
}

button:active span {
  transform: translateX(0.2rem);
}

button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 0.5rem;
}

button:disabled {
  cursor: wait;
  opacity: 0.45;
  color: var(--muted);
}

.form-message {
  min-height: 1.25rem;
  margin: 0.8rem 0 0;
  color: var(--success);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.025em;
  line-height: 1.5;
  transition: color 300ms ease;
}

.form-message.error {
  color: var(--error);
}

.form-message:empty {
  display: none;
}

.build-note {
  width: min(100%, 29rem);
  margin-top: clamp(2rem, 4vh, 3.5rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.build-note-heading {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.6rem;
}

.tiny-label {
  color: var(--brand);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.build-line {
  width: 2.5rem;
  height: 1px;
  background: var(--line);
}

.build-note p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.8;
}

.field-visual {
  position: relative;
  align-self: center;
  width: min(100%, 42rem);
  aspect-ratio: 1.14;
  margin-left: auto;
  color: var(--brand);
  overflow: hidden;
}

.field-visual::before {
  position: absolute;
  inset: 8% 3%;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: '';
  transform: rotate(-12deg) scaleY(0.68);
}

.field-visual::after {
  position: absolute;
  inset: 20% -12%;
  border: 1px solid color-mix(in oklch, var(--brand) 16%, transparent);
  border-radius: 50%;
  content: '';
  transform: rotate(-12deg) scaleY(0.68);
}

.visual-axis {
  position: absolute;
  z-index: 0;
  background: var(--line);
}

.axis-horizontal {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.axis-vertical {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  opacity: 0.5;
}

.field-mark {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 72%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(-12deg) scaleY(0.67);
}

.field-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--brand);
  border-radius: 50%;
  opacity: 0.72;
  transition: opacity 200ms ease;
  will-change: transform, opacity;
}

.ring-one {
  animation: breathe 8s ease-in-out infinite;
}

.ring-two {
  inset: 11%;
  opacity: 0.68;
  animation: breathe 8s 500ms ease-in-out infinite reverse;
}

.ring-three {
  inset: 23%;
  opacity: 0.58;
  animation: breathe 8s 1s ease-in-out infinite;
}

.ring-four {
  inset: 36%;
  opacity: 0.48;
  animation: breathe 8s 1.5s ease-in-out infinite reverse;
}

.ring-five {
  inset: 47%;
  opacity: 0.35;
}

.field-core {
  position: absolute;
  z-index: 2;
  top: calc(50% - 0.3rem);
  left: calc(50% - 0.3rem);
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 0.45rem color-mix(in oklch, var(--brand) 15%, transparent);
}

.field-sweep {
  position: absolute;
  z-index: 3;
  top: 49.5%;
  left: -10%;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0.7;
  transform-origin: 50% 50%;
  animation: sweep 9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.visual-caption,
.visual-index {
  position: absolute;
  z-index: 4;
  color: var(--muted);
}

.caption-top {
  top: 0;
  left: 0;
}

.caption-bottom {
  right: 0;
  bottom: 0;
}

.visual-index {
  top: 50%;
  left: 0;
  padding-right: 0.65rem;
  color: var(--brand);
  background: var(--paper);
  transform: translateY(-50%);
}

.site-footer {
  min-height: 4.75rem;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms ease;
  position: relative;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--brand);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 0.3rem;
}

.privacy-main {
  flex: 1;
  display: flex;
  align-items: center;
}

.privacy-content {
  width: min(100%, 42rem);
  padding: clamp(4rem, 10vh, 8rem) 0;
}

.privacy-content h1 {
  margin-top: 1.5rem;
}

.privacy-intro,
.privacy-content section p {
  max-width: 36rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.privacy-intro {
  margin: 2rem 0 3.5rem;
}

.privacy-content section + section {
  margin-top: 2.5rem;
}

.privacy-content h2 {
  margin: 0 0 0.75rem;
  color: var(--brand-deep);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.privacy-content section p {
  margin: 0;
}

.privacy-back {
  display: inline-block;
  margin-top: 3.5rem;
  color: var(--brand-deep);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-decoration: none;
}

.privacy-back span {
  display: inline-block;
  margin-left: 0.45rem;
  transition: transform 180ms ease;
}

.privacy-back:hover span,
.privacy-back:focus-visible span {
  transform: translate(0.15rem, -0.15rem);
}

.privacy-back:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 0.5rem;
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.34;
    transform: scale(0.96);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.03);
  }
}

@keyframes sweep {
  0%,
  100% {
    opacity: 0;
    transform: rotate(-28deg) scaleX(0.72);
  }
  25% {
    opacity: 0.75;
  }
  55% {
    opacity: 0.2;
    transform: rotate(28deg) scaleX(1);
  }
  75% {
    opacity: 0;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.95fr);
  }

  .hero-copy {
    padding-right: 2rem;
  }

  .field-visual {
    width: 110%;
    margin-right: -10%;
  }
}

@media (max-width: 680px) {
  .page-shell {
    padding: 0 1.25rem;
  }

  .site-header {
    min-height: 4.5rem;
  }

  .wordmark {
    font-size: 1.75rem;
  }

  .header-actions {
    gap: 0.8rem;
  }

  .header-note {
    font-size: 0.58rem;
  }

  .language-button {
    font-size: 0.56rem;
  }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: auto;
    padding: 4.5rem 0 3.8rem;
  }

  .hero-copy {
    padding-right: 0;
  }

  .eyebrow {
    margin-bottom: 2rem;
  }

  h1 {
    font-size: clamp(2.35rem, 10vw, 3.7rem);
  }

  .intro {
    margin-top: 1.6rem;
    font-size: 1.13rem;
  }

  .waitlist-form {
    width: 100%;
    margin-top: 2.75rem;
  }

  .turnstile-wrap {
    overflow: hidden;
    min-height: 5rem;
    padding-top: 1.3rem;
  }

  .field-visual {
    width: 118%;
    margin: 4.5rem -9% 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.45rem;
    min-height: 5.5rem;
    font-size: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}