@font-face {
  font-family: "Anybody Local";
  src: url("./assets/fonts/anybody-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 50% 150%;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Local";
  src: url("./assets/fonts/atkinson-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Local";
  src: url("./assets/fonts/atkinson-bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --paper: oklch(96.5% 0.012 169);
  --paper-raised: oklch(93.5% 0.018 169);
  --paper-strong: oklch(89% 0.025 169);
  --ink: oklch(20% 0.042 242);
  --ink-soft: oklch(35% 0.036 239);
  --muted: oklch(48% 0.026 230);
  --line: oklch(76% 0.032 184);
  --line-strong: oklch(59% 0.047 190);
  --signal: oklch(75% 0.145 165);
  --signal-hover: oklch(69% 0.15 165);
  --signal-dark: oklch(40% 0.095 169);
  --focus: oklch(61% 0.16 241);
  --danger: oklch(51% 0.17 25);

  --font-display: "Anybody Local", "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  --font-body: "Atkinson Local", "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", "Consolas", monospace;

  --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: 4rem;
  --space-4xl: 6rem;

  --shell: min(90rem, calc(100vw - 2rem));
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 140ms;
  --duration-base: 260ms;
  --duration-slow: 620ms;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(to right, transparent calc(25% - 1px), var(--paper-strong) 25%, transparent calc(25% + 1px)),
    linear-gradient(to bottom, transparent calc(100% - 1px), var(--paper-strong) 100%);
  background-size: 100% 100%, 100% 4rem;
  opacity: 0.34;
}

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

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

a {
  color: inherit;
}

button {
  font: inherit;
}

::selection {
  color: var(--ink);
  background: var(--signal);
}

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-200%);
  transition: transform var(--duration-base) var(--ease-out);
}

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

.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;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: 4.5rem;
  gap: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2.75rem;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-stretch: 85%;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav a,
.header-action {
  min-height: 2.75rem;
  padding-block: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.4rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xs);
  color: var(--ink);
}

.hero {
  display: grid;
  padding-block: clamp(3rem, 10vw, 8rem) clamp(4rem, 12vw, 9rem);
  gap: var(--space-2xl);
}

.hero__index {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.hero__copy {
  display: grid;
  gap: var(--space-xl);
}

.eyebrow {
  margin: 0;
  color: var(--signal-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero__title,
.section-heading h2,
.audience-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-stretch: 64%;
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 0.88;
}

.hero__title {
  display: flex;
  flex-direction: column;
  max-width: none;
  font-size: clamp(3.4rem, 18vw, 5.8rem);
}

.hero__title-offset {
  color: var(--signal-dark);
}

.hero__lead {
  max-width: 44rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-xl);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  gap: var(--space-sm);
  padding: 0.75rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out),
    transform var(--duration-base) var(--ease-out);
}

.button--primary {
  color: var(--ink);
  background: var(--signal);
  border: 1px solid var(--signal-dark);
}

.button--primary:hover {
  background: var(--signal-hover);
  transform: translateY(-0.12rem);
}

.button--text {
  padding-inline: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
}

.button--text:hover {
  color: var(--signal-dark);
}

.verdict {
  display: grid;
  align-self: end;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--line-strong);
  gap: var(--space-lg);
}

.verdict img {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: contain;
}

.verdict__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-lg);
}

.verdict__meta span,
.monitoring-note {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.verdict__meta strong {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-stretch: 72%;
  letter-spacing: -0.04em;
}

.verdict p {
  margin: 0;
  color: var(--ink-soft);
}

.monitoring-note {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--signal-dark);
}

.monitoring-note__dot {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--signal-dark);
  border-radius: 50%;
  animation: status-pulse 2.4s var(--ease-in-out) infinite;
}

.rate-stage {
  padding-block: clamp(4rem, 10vw, 8rem);
  background: var(--paper-raised);
  border-block: 1px solid var(--line);
}

.section-heading {
  display: grid;
  max-width: 48rem;
  gap: var(--space-lg);
  margin-bottom: clamp(3rem, 8vw, 6rem);
}

.section-heading--compact {
  margin-bottom: var(--space-2xl);
}

.section-heading h2,
.audience-section h2 {
  max-width: 10ch;
  font-size: clamp(3rem, 9vw, 6.5rem);
}

.section-heading > p:last-child,
.audience-section__copy > p:last-child {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

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

.rate-row {
  display: grid;
  padding-block: clamp(2rem, 5vw, 4rem);
  border-top: 1px solid var(--line-strong);
  gap: var(--space-xl);
}

.rate-row__label {
  display: grid;
  align-content: start;
  gap: var(--space-sm);
}

.rate-row__label > span,
.promise-list > li > span,
.review-list dt span {
  color: var(--signal-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.rate-row h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-stretch: 68%;
  line-height: 0.9;
}

.rate-row p {
  max-width: 30rem;
  margin: 0;
  color: var(--muted);
}

.rate-row__value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  font-variant-numeric: tabular-nums;
}

.rate-row__value strong {
  font-family: var(--font-display);
  font-size: clamp(5rem, 24vw, 13rem);
  font-stretch: 58%;
  font-weight: 820;
  letter-spacing: -0.075em;
  line-height: 0.72;
}

.rate-row__value span {
  max-width: 7rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.45;
  text-transform: uppercase;
}

.rate-disclaimer {
  max-width: 54rem;
  margin: var(--space-xl) 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.model-section,
.connect-section,
.audience-section {
  padding-block: clamp(5rem, 12vw, 10rem);
}

.model-map {
  display: grid;
  padding-block: var(--space-xl);
  border-block: 1px solid var(--line-strong);
  gap: var(--space-2xl);
}

.model-map__sources,
.model-map__outputs,
.promise-list,
.audience-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.model-map__sources {
  display: grid;
  gap: var(--space-xs);
}

.model-map__sources li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--line);
  gap: var(--space-lg);
}

.model-map__sources span,
.model-map__core strong,
.audience-list span {
  font-family: var(--font-display);
  font-stretch: 72%;
  font-weight: 760;
}

.model-map__sources span {
  font-size: 1.6rem;
}

.model-map small,
.audience-list small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.model-map__route {
  display: none;
}

.model-map__core {
  display: grid;
  justify-items: start;
  padding: var(--space-xl);
  color: var(--paper);
  background: var(--ink);
  gap: var(--space-sm);
}

.model-map__core img {
  width: 4rem;
  height: 4rem;
  margin-bottom: var(--space-sm);
  object-fit: contain;
}

.model-map__core strong {
  font-size: 2.5rem;
}

.model-map__core small {
  color: var(--signal);
}

.model-map__outputs {
  display: grid;
  align-content: center;
  gap: var(--space-sm);
}

.model-map__outputs span {
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.review-section {
  padding-block: clamp(5rem, 12vw, 10rem);
  background: var(--paper-raised);
  border-block: 1px solid var(--line);
}

.review-layout {
  display: grid;
  gap: var(--space-3xl);
}

.review-layout__heading {
  margin-bottom: 0;
}

.review-list {
  margin: 0;
  border-bottom: 1px solid var(--line-strong);
}

.review-list > div {
  display: grid;
  padding-block: var(--space-xl);
  border-top: 1px solid var(--line-strong);
  gap: var(--space-md);
}

.review-list dt {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-stretch: 72%;
  font-weight: 760;
}

.review-list dd {
  max-width: 44rem;
  margin: 0;
  color: var(--ink-soft);
}

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

.endpoint-row {
  display: grid;
  align-items: center;
  padding-block: var(--space-xl);
  border-top: 1px solid var(--line-strong);
  gap: var(--space-lg);
}

.endpoint-row__protocol {
  color: var(--signal-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.endpoint-row h3 {
  margin: var(--space-xs) 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-stretch: 72%;
}

.endpoint-row p {
  margin: 0;
  color: var(--muted);
}

.endpoint-row code {
  overflow-x: auto;
  padding: var(--space-md);
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
}

.copy-button {
  min-height: 2.75rem;
  padding: 0.6rem 0.9rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  transition:
    background-color var(--duration-fast) var(--ease-in-out),
    color var(--duration-fast) var(--ease-in-out),
    transform var(--duration-base) var(--ease-out);
}

.copy-button:hover,
.copy-button.is-copied {
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-0.1rem);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  font-weight: 700;
  text-underline-offset: 0.3em;
}

.promise-section {
  padding-block: clamp(5rem, 12vw, 10rem);
  color: var(--paper);
  background: var(--ink);
}

.section-heading--inverse .eyebrow {
  color: var(--signal);
}

.section-heading--inverse > p:last-child {
  color: var(--paper-strong);
}

.promise-list {
  display: grid;
  border-top: 1px solid var(--ink-soft);
}

.promise-list li {
  display: grid;
  align-content: start;
  min-height: 15rem;
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--ink-soft);
  gap: var(--space-md);
}

.promise-list > li > span {
  color: var(--signal);
}

.promise-list strong {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-stretch: 63%;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.promise-list p {
  max-width: 28rem;
  margin: 0;
  color: var(--paper-strong);
}

.audience-section {
  display: grid;
  gap: var(--space-3xl);
}

.audience-section__copy {
  display: grid;
  gap: var(--space-lg);
}

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

.audience-list li {
  display: grid;
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line-strong);
  gap: var(--space-xs);
}

.audience-list span {
  font-size: 1.65rem;
}

.closing-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-xl);
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  gap: var(--space-xl);
}

.closing-cta p {
  max-width: 38rem;
  margin: 0;
  font-size: 1.15rem;
}

.site-footer {
  padding-block: var(--space-3xl) max(var(--space-xl), env(safe-area-inset-bottom));
  color: var(--paper);
  background: var(--ink);
  border-top: 1px solid var(--ink-soft);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-xl);
}

.site-footer strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-stretch: 72%;
}

.site-footer span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer p {
  max-width: 38rem;
  margin: var(--space-sm) 0 0;
  color: var(--paper-strong);
  font-size: 0.875rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-top: var(--space-xl);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--ink-soft);
  gap: var(--space-lg);
}

.site-footer__bottom a {
  color: var(--paper);
  text-underline-offset: 0.25em;
}

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

@keyframes status-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.76);
  }
}

@media (min-width: 42rem) {
  :root {
    --shell: min(90rem, calc(100vw - 4rem));
  }

  .is-enhanced [data-reveal] {
    opacity: 0;
    transform: translateY(1.5rem);
    transition:
      opacity var(--duration-slow) var(--ease-out),
      transform var(--duration-slow) var(--ease-out);
  }

  .is-enhanced [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .site-header__inner {
    grid-template-columns: 1fr auto auto;
  }

  .site-nav {
    display: flex;
  }

  .hero {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .hero__index {
    grid-column: 1 / -1;
  }

  .hero__copy {
    grid-column: 1 / 10;
  }

  .verdict {
    grid-column: 9 / -1;
  }

  .hero__title {
    font-size: clamp(5rem, 11vw, 9rem);
  }

  .hero__title > span {
    white-space: nowrap;
  }

  .hero__title-offset {
    margin-left: clamp(2rem, 8vw, 8rem);
  }

  .rate-row {
    grid-template-columns: minmax(14rem, 0.7fr) 1.3fr;
    align-items: end;
  }

  .rate-row__value {
    justify-content: flex-end;
  }

  .model-map {
    grid-template-columns: minmax(11rem, 0.85fr) minmax(4rem, 0.35fr) minmax(13rem, 0.8fr) minmax(12rem, 0.8fr);
    align-items: stretch;
  }

  .model-map__route {
    display: grid;
    align-content: space-around;
    padding-block: var(--space-xl);
  }

  .model-map__route span {
    position: relative;
    height: 1px;
    background: var(--line-strong);
  }

  .model-map__route span::after {
    position: absolute;
    top: -0.2rem;
    right: -0.1rem;
    width: 0.4rem;
    height: 0.4rem;
    content: "";
    background: var(--signal-dark);
    border-radius: 50%;
  }

  .review-list > div {
    grid-template-columns: minmax(12rem, 0.7fr) 1.3fr;
    gap: var(--space-2xl);
  }

  .endpoint-row {
    grid-template-columns: minmax(16rem, 1fr) minmax(18rem, 0.9fr) auto;
  }

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

  .promise-list li:nth-child(odd) {
    padding-right: var(--space-xl);
    border-right: 1px solid var(--ink-soft);
  }

  .promise-list li:nth-child(even) {
    padding-left: var(--space-xl);
  }

  .audience-list li {
    grid-template-columns: 0.7fr 1.3fr;
    align-items: baseline;
  }

  .closing-cta {
    flex-direction: row;
    align-items: center;
  }

  .site-footer__grid {
    grid-template-columns: 0.8fr 1fr 1.6fr;
  }
}

@media (min-width: 64rem) {
  .hero__copy {
    grid-column: 1 / 9;
  }

  .verdict {
    grid-column: 10 / -1;
  }

  .review-layout {
    grid-template-columns: minmax(20rem, 0.75fr) minmax(30rem, 1.25fr);
    align-items: start;
  }

  .review-layout__heading {
    position: sticky;
    top: 8rem;
  }

  .audience-section {
    grid-template-columns: minmax(22rem, 0.8fr) minmax(28rem, 1.2fr);
  }

  .closing-cta {
    grid-column: 1 / -1;
  }
}

@media (pointer: coarse) {
  .button,
  .header-action,
  .site-nav a,
  .copy-button,
  .text-link {
    min-height: 3rem;
  }
}

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

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

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

@media print {
  .site-header,
  .hero__actions,
  .copy-button,
  .closing-cta .button,
  .site-footer__bottom a {
    display: none;
  }

  body {
    color: var(--ink);
    background: var(--paper);
  }

  body::before {
    display: none;
  }

  .promise-section,
  .site-footer,
  .model-map__core {
    color: var(--ink);
    background: var(--paper);
  }
}