@font-face {
  font-family: "Socheli Sans";
  src: url("/assets/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Socheli Mono";
  src: url("/assets/fonts/jbmono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #090a09;
  --surface: #111210;
  --surface-soft: #151613;
  --bone: #ece6d8;
  --bone-soft: #bcb6aa;
  --muted: #78776f;
  --line: rgba(236, 230, 216, 0.12);
  --line-strong: rgba(236, 230, 216, 0.24);
  --signal: #98d6a3;
  --signal-ink: #0b160d;
  --sans: "Socheli Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "Socheli Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --page: 1360px;
  --pad: clamp(20px, 4vw, 56px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 75% 12%, rgba(152, 214, 163, 0.055), transparent 29rem),
    var(--bg);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.015em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::after {
  position: fixed;
  z-index: 50;
  inset: 0;
  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='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
  content: "";
  opacity: 0.026;
  pointer-events: none;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset: 10px auto auto 10px;
  padding: 8px 11px;
  background: var(--bone);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
  transform: translateY(-180%);
}

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

.topbar,
.hero,
.operation,
.closing,
footer {
  width: min(100%, var(--page));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.topbar {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 680;
  letter-spacing: -0.02em;
}

.brand img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.folio,
.eyebrow,
.row-number,
.row-output,
.operator-figure figcaption,
.frame-status {
  font-family: var(--mono);
  text-transform: uppercase;
}

.folio {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.17em;
}

.identity-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-block: 10px;
  transition: color 180ms ease;
}

.identity-link:hover {
  color: var(--bone);
}

.hero {
  display: grid;
  min-height: calc(100svh - 72px);
  grid-template-columns: minmax(0, 0.86fr) minmax(400px, 0.72fr);
  align-items: center;
  gap: clamp(42px, 8vw, 124px);
  padding-block: clamp(54px, 8vw, 112px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  animation: enter-copy 900ms var(--ease) both;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--signal);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1.3;
}

.eyebrow span {
  font-size: 11px;
}

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

h1 {
  max-width: 11ch;
  margin-block: 26px 0;
  font-size: clamp(52px, 7.4vw, 106px);
  font-weight: 560;
  letter-spacing: -0.068em;
  line-height: 0.88;
}

h1 em {
  color: var(--bone-soft);
  font-style: normal;
  font-weight: 360;
}

.lede {
  max-width: 31rem;
  margin-block: 30px 0;
  color: var(--bone-soft);
  font-size: clamp(17px, 1.65vw, 22px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding-inline: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 680;
  transition: transform 180ms var(--ease), background 180ms ease, color 180ms ease;
}

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

.button:active {
  transform: translateY(0) scale(0.98);
}

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

.button-primary:hover {
  background: #ade6b6;
}

.text-link {
  padding-block: 10px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--bone-soft);
  font-size: 13px;
  transition: color 180ms ease, border-color 180ms ease;
}

.text-link:hover {
  border-color: var(--bone);
  color: var(--bone);
}

.operator-figure {
  position: relative;
  z-index: 1;
  width: min(100%, 530px);
  margin: 0;
  justify-self: end;
  animation: enter-visual 1100ms 100ms var(--ease) both;
}

.operator-frame {
  position: relative;
  padding: 7px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.operator-frame::before,
.operator-frame::after {
  position: absolute;
  z-index: 2;
  width: 18px;
  height: 18px;
  border-color: var(--signal);
  content: "";
  pointer-events: none;
}

.operator-frame::before {
  inset: -5px auto auto -5px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.operator-frame::after {
  inset: auto -5px -5px auto;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.operator-frame img {
  width: 100%;
  aspect-ratio: 0.6;
  object-fit: cover;
  object-position: center 45%;
  filter: saturate(0.86) contrast(1.03);
}

.frame-status {
  position: absolute;
  z-index: 3;
  top: 18px;
  padding: 6px 8px;
  background: rgba(9, 10, 9, 0.8);
  backdrop-filter: blur(8px);
  color: var(--bone-soft);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.frame-status {
  display: flex;
  right: 18px;
  align-items: center;
  gap: 6px;
}

.frame-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

.operator-figure figcaption {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.11em;
}

.operator-figure figcaption span:nth-child(even) {
  height: 1px;
  overflow: hidden;
  background: var(--line-strong);
  color: transparent;
}

.operation {
  padding-block: clamp(96px, 13vw, 180px);
  border-top: 1px solid var(--line);
}

.section-head {
  display: block;
}

.section-head h2,
.closing h2 {
  margin: 0;
  font-size: clamp(42px, 5.8vw, 78px);
  font-weight: 520;
  letter-spacing: -0.057em;
  line-height: 0.98;
}

.section-head > p:last-child {
  max-width: 42rem;
  margin: 26px 0 0;
  color: var(--bone-soft);
  font-size: 16px;
}

.operation-list {
  margin-top: clamp(64px, 9vw, 124px);
  border-top: 1px solid var(--line);
}

.operation-row {
  display: grid;
  min-height: 178px;
  grid-template-columns: 70px minmax(0, 1fr) auto;
  gap: clamp(18px, 4vw, 56px);
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: background 220ms ease, padding 220ms var(--ease);
}

.operation-row:hover {
  padding-inline: 18px;
  background: linear-gradient(90deg, rgba(152, 214, 163, 0.045), transparent 70%);
}

.row-number,
.row-output {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.operation-row > div {
  display: grid;
  grid-template-columns: minmax(150px, 0.65fr) minmax(260px, 1.35fr);
  gap: clamp(20px, 5vw, 74px);
  align-items: baseline;
}

.operation-row h3 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 500;
  letter-spacing: -0.048em;
}

.operation-row > div p {
  max-width: 42rem;
  margin: 0;
  color: var(--bone-soft);
  font-size: 15px;
}

.row-publish > div,
.row-learn > div {
  padding-inline-start: clamp(0px, 4vw, 60px);
}

.row-respond > div {
  padding-inline-start: clamp(0px, 2vw, 30px);
}

.closing {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) auto;
  gap: clamp(24px, 6vw, 80px);
  align-items: center;
  padding-block: clamp(86px, 12vw, 150px);
  border-top: 1px solid var(--line);
}

.closing-mark {
  color: var(--signal);
  font-size: clamp(54px, 7vw, 92px);
  line-height: 1;
}

.closing h2 {
  max-width: 13ch;
}

.closing-action {
  min-width: 220px;
}

.closing-action .button {
  width: 100%;
}

.closing-action p {
  margin: 14px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

footer {
  display: grid;
  min-height: 112px;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}

footer nav a {
  padding-block: 9px;
  border-bottom: 1px solid transparent;
}

footer nav a:hover {
  border-color: var(--line-strong);
  color: var(--bone);
}

footer > p {
  margin: 0;
  text-align: right;
}

@keyframes enter-copy {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes enter-visual {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.985);
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 58px;
  }

  .operator-figure {
    width: 100%;
    justify-self: stretch;
  }

  .operator-frame img {
    aspect-ratio: 0.72;
    object-position: center 48%;
  }

  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-head h2 {
    max-width: 12ch;
  }

  .section-head > p:last-child {
    max-width: 36rem;
  }

  .operation-row {
    grid-template-columns: 50px minmax(0, 1fr);
    padding-block: 30px;
  }

  .operation-row > div {
    grid-template-columns: minmax(130px, 0.55fr) minmax(220px, 1fr);
  }

  .row-output {
    display: none;
  }

  .closing {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .closing-action {
    grid-column: 2;
    width: min(100%, 280px);
  }
}

@media (max-width: 620px) {
  .topbar {
    min-height: 62px;
  }

  .hero {
    gap: 46px;
    padding-block: 54px 82px;
  }

  h1 {
    margin-top: 22px;
    font-size: clamp(49px, 15.5vw, 72px);
    line-height: 0.91;
  }

  .lede {
    margin-top: 24px;
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
  }

  .button {
    width: 100%;
  }

  .text-link {
    align-self: flex-start;
  }

  .operator-frame img {
    aspect-ratio: 0.67;
  }

  .operator-figure figcaption {
    gap: 6px;
    font-size: 7px;
    letter-spacing: 0.07em;
  }

  .operation {
    padding-block: 84px;
  }

  .section-head h2,
  .closing h2 {
    font-size: 44px;
  }

  .operation-list {
    margin-top: 58px;
  }

  .operation-row,
  .operation-row:hover {
    min-height: auto;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    padding: 28px 0;
  }

  .operation-row > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .row-publish > div,
  .row-respond > div,
  .row-learn > div {
    padding-inline-start: 0;
  }

  .operation-row h3 {
    font-size: 37px;
  }

  .operation-row > div p {
    font-size: 14px;
  }

  .closing {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-block: 82px;
  }

  .closing-mark {
    font-size: 48px;
  }

  .closing-action {
    grid-column: auto;
  }

  footer {
    grid-template-columns: 1fr;
    justify-items: start;
    padding-block: 30px;
  }

  footer nav {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 24px;
    justify-content: stretch;
  }

  footer > p {
    display: none;
  }
}

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

  .hero-copy,
  .operator-figure {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}