:root {
  --color-bg: oklch(1 0 0);
  --color-surface: oklch(0.97 0.012 28);
  --color-surface-strong: oklch(0.93 0.025 28);
  --color-ink: oklch(0.19 0.025 25);
  --color-muted: oklch(0.43 0.035 25);
  --color-line: oklch(0.86 0.025 28);
  --color-crimson: oklch(0.614 0.234 28.2);
  --color-crimson-dark: oklch(0.45 0.175 27);
  --color-crimson-pale: oklch(0.93 0.055 27);
  --color-teal: oklch(0.72 0.13 181);
  --color-teal-pale: oklch(0.93 0.06 181);
  --color-amber: oklch(0.82 0.15 84);
  --color-amber-pale: oklch(0.95 0.055 84);
  --font-display: ui-rounded, "Arial Rounded MT Bold", "Avenir Next", system-ui, sans-serif;
  --font-body: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: clamp(4rem, 8vw, 7.5rem);
  --shell: 76rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  font-kerning: normal;
  overflow-x: hidden;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 0.1875rem solid var(--color-crimson-dark);
  outline-offset: 0.25rem;
  border-radius: 0.25rem;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

.shell {
  width: min(calc(100% - 2rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: 20;
  padding: var(--space-sm) var(--space-md);
  border: 0.125rem solid var(--color-ink);
  border-radius: 0.5rem;
  background: var(--color-bg);
  font-weight: 700;
  transform: translateY(-200%);
}

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

.site-header {
  padding-block: clamp(1rem, 3vw, 1.75rem);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 2.75rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand strong {
  color: var(--color-crimson-dark);
}

.brand-mark {
  width: 2.5rem;
  color: var(--color-crimson);
}

.status-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 700;
}

.status-note span {
  width: 0.625rem;
  height: 0.625rem;
  border: 0.125rem solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-crimson);
  box-shadow: 0 0 0 0.125rem var(--color-crimson-pale);
  animation: status-pulse 2.4s ease-in-out infinite;
}

.hero {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
  padding-block: clamp(3rem, 7vw, 6.5rem) var(--space-3xl);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-kicker,
.section-note {
  color: var(--color-crimson-dark);
  font-weight: 800;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-block-end: var(--space-lg);
}

.hero-kicker::before {
  content: "";
  width: 1.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: var(--color-amber);
  box-shadow: 0.65rem -0.45rem 0 -0.18rem var(--color-crimson);
  transform: rotate(-8deg);
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3.3rem, 11vw, 6rem);
}

.hero-intro {
  max-width: 39rem;
  margin-block-start: var(--space-xl);
  color: var(--color-muted);
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.promise-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-block-start: var(--space-xl);
  padding-block-start: var(--space-lg);
  border-block-start: 0.0625rem solid var(--color-line);
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.promise-line span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.promise-line span::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-crimson);
}

.promise-line span:nth-child(2)::before {
  background: var(--color-teal);
}

.promise-line span:nth-child(3)::before {
  background: var(--color-amber);
}

.signal-stage {
  width: min(100%, 44rem);
  margin: 0 auto;
}

.signal-map {
  filter: drop-shadow(0 1.5rem 2rem oklch(0.3 0.08 27 / 0.12));
}

.stage-bg {
  fill: var(--color-surface);
  stroke: var(--color-line);
  stroke-width: 2;
}

.stage-doodle {
  fill: none;
  stroke: var(--color-crimson-pale);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 0.06 0.04;
}

.stage-dot-a {
  fill: var(--color-amber);
}

.stage-dot-b {
  fill: var(--color-teal);
}

.participant {
  animation: participant-arrive 0.75s var(--ease-out) both;
}

.participant-one {
  animation-delay: 0.08s;
}

.participant-two {
  animation-delay: 0.16s;
}

.participant-three {
  animation-delay: 0.24s;
}

.participant-ring {
  fill: var(--color-bg);
  stroke: var(--color-ink);
  stroke-width: 3;
}

.participant-face {
  stroke: var(--color-ink);
  stroke-width: 2;
}

.host-face {
  fill: var(--color-crimson-pale);
}

.guest-one-face {
  fill: var(--color-teal-pale);
}

.guest-two-face {
  fill: var(--color-amber-pale);
}

.guest-three-face {
  fill: var(--color-surface-strong);
}

.participant-hair {
  fill: var(--color-ink);
}

.participant-eye {
  fill: var(--color-ink);
}

.participant-mouth {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 3;
  stroke-linecap: round;
}

.participant-label {
  fill: var(--color-crimson);
}

.participant-label.guest-label {
  fill: var(--color-ink);
}

.participant text,
.backup-node text,
.export-frames text {
  fill: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.signal-lines path,
.output-path path {
  fill: none;
  stroke: var(--color-crimson);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 8 15;
  animation: signal-flow 1.2s linear infinite;
}

.core-shadow {
  fill: var(--color-crimson-pale);
}

.core-disc {
  fill: var(--color-crimson);
  stroke: var(--color-ink);
  stroke-width: 4;
}

.core-groove {
  fill: none;
  stroke: var(--color-crimson-dark);
  stroke-width: 2;
  stroke-dasharray: 5 10;
}

.core-center {
  fill: var(--color-ink);
}

.waveform rect {
  fill: var(--color-bg);
  animation: waveform 1.4s ease-in-out infinite alternate;
  transform-box: fill-box;
  transform-origin: center;
}

.waveform rect:nth-child(2) {
  animation-delay: -0.9s;
}

.waveform rect:nth-child(3) {
  animation-delay: -0.35s;
}

.waveform rect:nth-child(4) {
  animation-delay: -0.7s;
}

.waveform rect:nth-child(5) {
  animation-delay: -0.15s;
}

.waveform rect:nth-child(6) {
  animation-delay: -1.1s;
}

.core-label {
  fill: var(--color-ink);
}

.core-label-text {
  fill: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.backup-line {
  fill: none;
  stroke: var(--color-teal);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 10 15;
  animation: signal-flow 1.4s linear infinite;
}

.backup-packet {
  fill: var(--color-teal);
}

.cloud {
  fill: var(--color-teal);
  stroke: var(--color-ink);
  stroke-width: 4;
}

.backup-check {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.backup-node text {
  fill: var(--color-ink);
  font-size: 0.75rem;
}

.export-frames {
  animation: export-settle 0.9s 0.45s var(--ease-out) both;
}

.landscape-frame,
.vertical-frame {
  fill: var(--color-amber-pale);
  stroke: var(--color-ink);
  stroke-width: 4;
}

.frame-person-a,
.vertical-person-a {
  fill: var(--color-crimson);
}

.frame-person-b,
.vertical-person-b {
  fill: var(--color-teal);
}

.export-frames text {
  fill: var(--color-ink);
  font-size: 0.75rem;
}

.signal-stage figcaption {
  max-width: 35rem;
  margin: var(--space-md) auto 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  text-align: center;
}

.proof-section {
  position: relative;
  overflow: hidden;
  background: var(--color-crimson-dark);
  color: var(--color-bg);
}

.proof-section::after {
  content: "";
  position: absolute;
  width: clamp(12rem, 28vw, 24rem);
  aspect-ratio: 1;
  inset-block-start: 50%;
  inset-inline-end: -7rem;
  border: clamp(1.25rem, 4vw, 3rem) solid var(--color-crimson);
  border-radius: 50%;
  transform: translateY(-50%);
}

.proof-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-3xl);
}

.proof-section .section-note {
  color: var(--color-amber-pale);
}

.proof-section h2 {
  max-width: 10ch;
  margin-block-start: var(--space-md);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
}

.proof-inner > p {
  max-width: 35rem;
  color: var(--color-bg);
  font-size: clamp(1.125rem, 2vw, 1.35rem);
}

.process-section,
.layouts-section {
  padding-block: var(--space-3xl);
}

.section-heading {
  display: grid;
  gap: var(--space-lg);
  margin-block-end: clamp(2.5rem, 6vw, 5rem);
}

.section-heading h2,
.capabilities-intro h2,
.layouts-copy h2 {
  max-width: 11ch;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.section-heading > p:last-child,
.capabilities-intro > p:last-of-type,
.layouts-copy > p:last-child {
  max-width: 35rem;
  color: var(--color-muted);
  font-size: 1.125rem;
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-block-start: 0.125rem solid var(--color-ink);
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md) var(--space-lg);
  align-items: start;
  padding-block: var(--space-xl);
  border-block-end: 0.0625rem solid var(--color-line);
}

.step-number {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 900;
}

.process-list li:nth-child(2) .step-number {
  background: var(--color-teal);
  color: var(--color-ink);
}

.process-list li:nth-child(3) .step-number {
  background: var(--color-amber);
  color: var(--color-ink);
}

.process-list h3 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.process-list p {
  max-width: 38rem;
  margin-block-start: var(--space-sm);
  color: var(--color-muted);
}

.process-list svg {
  display: none;
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capabilities-section {
  background: var(--color-surface);
}

.capabilities-layout {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
}

.capabilities-intro {
  align-self: start;
}

.capabilities-intro h2 {
  margin-block: var(--space-md) var(--space-lg);
}

.recording-object {
  display: flex;
  align-items: end;
  gap: var(--space-sm);
  height: 7rem;
  margin-block-start: var(--space-2xl);
}

.recording-object span {
  width: clamp(1rem, 4vw, 1.75rem);
  border-radius: 999px;
  background: var(--color-crimson);
}

.recording-object span:nth-child(1) {
  height: 28%;
}

.recording-object span:nth-child(2) {
  height: 72%;
}

.recording-object span:nth-child(3) {
  height: 100%;
  background: var(--color-teal);
}

.recording-object span:nth-child(4) {
  height: 57%;
  background: var(--color-amber);
}

.recording-object span:nth-child(5) {
  height: 36%;
}

.capability-list {
  border-block-start: 0.125rem solid var(--color-ink);
}

.capability-list article {
  padding-block: var(--space-xl);
  border-block-end: 0.0625rem solid var(--color-line);
}

.capability-tag {
  margin-block-end: var(--space-sm);
  color: var(--color-crimson-dark);
  font-size: 0.875rem;
  font-weight: 800;
}

.capability-list article:nth-child(2) .capability-tag {
  color: oklch(0.39 0.11 181);
}

.capability-list article:nth-child(3) .capability-tag {
  color: oklch(0.42 0.11 74);
}

.capability-list h3 {
  max-width: 17ch;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.capability-list article > p:last-child {
  max-width: 39rem;
  margin-block-start: var(--space-md);
  color: var(--color-muted);
}

.layouts-section {
  display: grid;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.layouts-copy h2 {
  margin-block: var(--space-md) var(--space-lg);
}

.layout-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(5rem, 28%);
  grid-template-rows: auto auto;
  gap: var(--space-sm);
  align-items: end;
  padding: clamp(1rem, 4vw, 2rem);
  border: 0.125rem solid var(--color-ink);
  border-radius: clamp(1.5rem, 5vw, 3rem);
  background: var(--color-amber-pale);
  box-shadow: 1rem 1rem 0 var(--color-crimson-pale);
  transform: rotate(1deg);
}

.landscape-example {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 0.125rem solid var(--color-ink);
  border-radius: 0.8rem;
  background: var(--color-ink);
}

.example-topbar {
  position: absolute;
  inset: 0.45rem 0.5rem auto;
  z-index: 1;
  display: flex;
  gap: 0.25rem;
}

.example-topbar span {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-bg);
}

.example-guest {
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.example-guest b {
  font-size: clamp(0.6rem, 2vw, 0.9rem);
}

.guest-warm {
  background: var(--color-crimson-pale);
}

.guest-cool {
  background: var(--color-teal-pale);
}

.mini-face {
  position: relative;
  display: block;
  width: clamp(2.2rem, 7vw, 5rem);
  aspect-ratio: 1;
  border: 0.125rem solid var(--color-ink);
  border-radius: 50%;
  background: var(--color-amber);
}

.mini-face::before,
.mini-face::after {
  content: "";
  position: absolute;
  inset-block-start: 46%;
  width: 9%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-ink);
}

.mini-face::before {
  inset-inline-start: 29%;
}

.mini-face::after {
  inset-inline-end: 29%;
}

.example-wave {
  position: absolute;
  inset: auto 12% 8%;
  display: flex;
  gap: 3%;
  align-items: center;
  height: 18%;
}

.example-wave i {
  flex: 1;
  height: 30%;
  border-radius: 999px;
  background: var(--color-bg);
}

.example-wave i:nth-child(2),
.example-wave i:nth-child(6) {
  height: 80%;
}

.example-wave i:nth-child(3),
.example-wave i:nth-child(5) {
  height: 55%;
}

.example-wave i:nth-child(4) {
  height: 100%;
}

.vertical-example {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr 1fr auto;
  gap: 0.3rem;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border: 0.125rem solid var(--color-ink);
  border-radius: 0.8rem;
  background: var(--color-bg);
}

.vertical-title {
  padding: 8% 6% 4%;
  background: var(--color-crimson);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: clamp(0.45rem, 1.3vw, 0.75rem);
  font-weight: 900;
  line-height: 1;
  text-align: center;
}

.vertical-guest {
  display: grid;
  place-items: center;
}

.vertical-wave {
  width: 74%;
  height: 0.25rem;
  margin: 0 auto 12%;
  border-radius: 999px;
  background: var(--color-ink);
}

.layout-caption {
  font-size: 0.8rem;
  font-weight: 800;
  text-align: center;
}

.closing-section {
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-bg);
}

.closing-inner {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-3xl);
}

.closing-inner svg {
  width: clamp(6rem, 16vw, 10rem);
  fill: var(--color-crimson);
  stroke: var(--color-bg);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: rotate(-7deg);
}

.closing-section .section-note {
  color: var(--color-amber);
}

.closing-section h2 {
  max-width: 17ch;
  margin-block-start: var(--space-md);
  font-size: clamp(2.6rem, 7vw, 5.5rem);
}

.site-footer {
  padding-block: var(--space-xl) max(var(--space-xl), env(safe-area-inset-bottom));
  border-block-start: 0.0625rem solid var(--color-line);
}

.footer-inner {
  align-items: flex-start;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.footer-inner strong {
  color: var(--color-ink);
}

.footer-inner span {
  display: none;
}

@keyframes signal-flow {
  to {
    stroke-dashoffset: -46;
  }
}

@keyframes waveform {
  from {
    transform: scaleY(0.55);
  }
  to {
    transform: scaleY(1);
  }
}

@keyframes participant-arrive {
  from {
    opacity: 0;
    filter: blur(0.5rem);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes export-settle {
  from {
    opacity: 0;
    filter: blur(0.4rem);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes status-pulse {
  50% {
    box-shadow: 0 0 0 0.35rem var(--color-crimson-pale);
  }
}

@media (min-width: 48rem) {
  .shell {
    width: min(calc(100% - 4rem), var(--shell));
  }

  .proof-inner,
  .section-heading {
    grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
    align-items: end;
  }

  .process-list li {
    grid-template-columns: auto minmax(0, 1fr) 10rem;
    gap: var(--space-xl);
    align-items: center;
  }

  .process-list svg {
    display: block;
  }

  .capabilities-layout {
    grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(3rem, 8vw, 8rem);
  }

  .capabilities-intro {
    position: sticky;
    inset-block-start: 2rem;
  }

  .closing-inner {
    grid-template-columns: auto 1fr;
    gap: clamp(2rem, 7vw, 6rem);
  }

  .footer-inner span {
    display: inline;
  }
}

@media (min-width: 68rem) {
  .hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(34rem, 1.1fr);
    gap: clamp(2rem, 4vw, 5rem);
    min-height: calc(100svh - 6rem);
  }

  .signal-stage {
    margin-inline-end: -2rem;
  }

  .layouts-section {
    grid-template-columns: minmax(20rem, 0.75fr) minmax(34rem, 1.25fr);
  }
}

@media (max-width: 27rem) {
  .status-note {
    font-size: 0;
  }

  .status-note span {
    width: 0.75rem;
    height: 0.75rem;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 15vw, 4rem);
  }

  .signal-stage {
    width: calc(100% + 1rem);
    margin-inline: -0.5rem;
  }

  .layout-showcase {
    box-shadow: 0.5rem 0.5rem 0 var(--color-crimson-pale);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-xs);
  }
}

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

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

@media (forced-colors: active) {
  .promise-line span::before,
  .status-note span {
    border: 0.125rem solid currentColor;
  }

  .proof-section,
  .closing-section {
    border-block: 0.125rem solid currentColor;
  }
}