:root {
  --ink: #111111;
  --accent: #1b4dff;
  --accent-hover: #0f3ad1;
  --accent-active: #0a2ca3;
  --accent-dark: #7fa0ff;
  --paper: #ffffff;
  --tone: #f4f3f1;
  --tone-alt: #faf9f8;
  --line: #dddbd7;
  --line-dark: #2a2a2a;
  --text-2: #55524e;
  --muted: #8a8783;
  --text-dark-2: #c9c6c2;
  --ease: cubic-bezier(0.2, 0, 0.2, 1);
  --container: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Golos Text", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body,
button,
a {
  border-radius: 0;
}

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

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

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.container {
  width: min(100% - 160px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 16px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 88px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 5.5px solid var(--ink);
  border-radius: 50%;
}

.brand-mark span {
  width: 11px;
  height: 11px;
  background: var(--accent);
  border-radius: 50%;
}

.brand-name {
  font-size: 21px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.brand-name span {
  color: var(--accent);
}

.header-note,
.eyebrow,
.context-index,
.context-meta,
.path-number,
.balance-label,
.system-caption,
.footer-channel span,
.footer-bottom {
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.header-note {
  color: var(--muted);
}

.hero {
  position: relative;
  min-height: calc(100svh - 88px);
  display: grid;
  align-items: center;
  overflow: clip;
  border-bottom: 1px solid var(--line);
}

.hero-pattern {
  position: absolute;
  inset: 0 0 0 50%;
  background-color: var(--tone-alt);
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: 48px 100%;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: center;
  padding-block: 96px;
}

.hero-copy {
  grid-column: 1 / span 7;
  padding-right: 56px;
}

.eyebrow {
  margin-bottom: 24px;
  color: var(--accent);
}

h1 {
  max-width: 900px;
  margin-bottom: 32px;
  font-size: clamp(54px, 5vw, 76px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero-lead {
  max-width: 700px;
  margin-bottom: 16px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.hero-text {
  max-width: 660px;
  margin-bottom: 32px;
  color: var(--text-2);
}

.button {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 28px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transition: color 120ms var(--ease), background-color 120ms var(--ease);
}

.button-primary {
  color: var(--paper);
  background: var(--accent);
}

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

.button-primary:active {
  background: var(--accent-active);
}

.button:focus-visible,
.brand:focus-visible,
.footer-channel a:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.button-note {
  max-width: 480px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.hero-system {
  grid-column: 9 / -1;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.system-figure {
  position: relative;
  width: min(100%, 410px);
  aspect-ratio: 1;
}

.orbit,
.system-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.orbit-outer {
  width: 100%;
  height: 100%;
  border: 3px solid var(--ink);
}

.orbit-inner {
  width: 58%;
  height: 58%;
  border: 1px solid var(--line);
}

.system-dot {
  width: 56px;
  height: 56px;
  background: var(--accent);
}

.system-label {
  position: absolute;
  padding: 7px 10px;
  color: var(--ink);
  background: var(--tone-alt);
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.system-label-top {
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
}

.system-label-right {
  top: 50%;
  right: -3%;
  transform: translateY(-50%);
}

.system-label-bottom {
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
}

.system-caption {
  color: var(--muted);
}

.section {
  padding-block: 112px;
}

.split-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
}

.section-heading {
  padding-right: 64px;
}

h2 {
  max-width: 820px;
  margin-bottom: 0;
  font-size: 54px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
}

.section-body {
  max-width: 720px;
  padding-top: 40px;
}

.section-body .lead {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.section-body > p:not(.lead) {
  color: var(--text-2);
}

blockquote {
  margin: 48px 0 0;
  padding: 32px 0 0;
  border-top: 3px solid var(--ink);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.contexts-section {
  background: var(--tone-alt);
  border-block: 1px solid var(--line);
}

.section-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 64px;
}

.section-intro .eyebrow {
  min-width: 230px;
  margin-bottom: 10px;
}

.section-intro h2 {
  flex: 0 1 820px;
}

.contexts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.context-item {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 32px;
}

.context-item + .context-item {
  border-left: 1px solid var(--line);
}

.context-index {
  min-height: 38px;
  color: var(--ink);
}

.context-index span {
  margin-right: 12px;
  color: var(--ink);
  letter-spacing: 0.14em;
}

.context-index i {
  color: var(--accent);
  font-style: normal;
}

.context-item h3 {
  margin: 52px 0 20px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.context-item p {
  margin-bottom: 40px;
  color: var(--text-2);
}

.context-meta {
  margin-top: auto;
  padding-top: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.approach-section {
  color: var(--paper);
  background: var(--ink);
}

.approach-header {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: end;
}

.approach-header > p {
  margin-bottom: 0;
  color: var(--text-dark-2);
}

.eyebrow-on-dark {
  color: var(--accent-dark);
}

.path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 88px 0 0;
  padding: 0;
  list-style: none;
}

.path::before {
  position: absolute;
  top: 48px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: #3a3a3a;
  content: "";
}

.path li {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-rows: 96px 20px auto;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.path-dot {
  z-index: 1;
  align-self: center;
  display: block;
  background: var(--paper);
  border-radius: 50%;
}

.path-dot-1 { width: 48px; height: 48px; }
.path-dot-2 { width: 64px; height: 64px; }
.path-dot-3 { width: 80px; height: 80px; }
.path-dot-4 { width: 96px; height: 96px; background: var(--accent); }

.path-number {
  color: var(--muted);
}

.path strong {
  max-width: 190px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.principles {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-top: 88px;
  padding-top: 40px;
  border-top: 1px solid var(--line-dark);
}

.principles > p {
  color: var(--text-dark-2);
}

.principles ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles li {
  min-height: 82px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding-block: 18px;
  border-top: 1px solid var(--line-dark);
  line-height: 1.45;
}

.principles li:nth-child(-n+2) {
  border-top: 0;
  padding-top: 0;
}

.principles li span {
  color: var(--accent-dark);
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 12px;
}

.balance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.balance-grid article {
  padding: 40px 48px 48px 0;
}

.balance-grid article + article {
  padding-right: 0;
  padding-left: 48px;
  border-left: 1px solid var(--line);
}

.balance-label {
  margin-bottom: 48px;
}

.opportunity {
  color: var(--accent);
}

.limitation {
  color: var(--muted);
}

.balance-grid h3 {
  margin-bottom: 20px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.balance-grid article > p:last-child {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--text-2);
}

.responsibility {
  max-width: 940px;
  margin: 64px auto 0;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-align: center;
}

.cta-section {
  padding-block: 80px;
  color: var(--paper);
  background: var(--accent);
}

.cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 64px;
  align-items: end;
}

.eyebrow-on-blue {
  color: var(--paper);
  opacity: 0.8;
}

.cta-grid h2 {
  max-width: 780px;
}

.cta-grid p:last-child {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: 20px;
  line-height: 1.45;
}

.button-light {
  min-height: 64px;
  color: var(--accent);
  background: var(--paper);
}

.button-light:hover {
  color: var(--paper);
  background: var(--ink);
}

.site-footer {
  padding-block: 64px 32px;
  color: var(--paper);
  background: var(--ink);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  align-items: flex-start;
  padding-bottom: 56px;
}

.brand-inverse .brand-mark {
  border-color: var(--paper);
}

.brand-inverse .brand-name {
  color: var(--paper);
}

.brand-inverse .brand-name span {
  color: var(--accent-dark);
}

.footer-channel {
  display: grid;
  gap: 10px;
  text-align: right;
}

.footer-channel span {
  color: var(--accent-dark);
}

.footer-channel a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 20px;
  font-weight: 600;
  transition: color 120ms var(--ease);
}

.footer-channel a:hover {
  color: var(--accent-dark);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line-dark);
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .container {
    width: min(100% - 80px, var(--container));
  }

  .hero-grid {
    padding-block: 72px;
  }

  .hero-copy {
    grid-column: 1 / span 8;
    padding-right: 24px;
  }

  .hero-system {
    grid-column: 9 / -1;
  }

  .system-label-right {
    right: -8%;
  }

  .context-item {
    padding: 28px 22px;
  }

  .context-item h3 {
    margin-top: 40px;
  }

  .cta-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    height: 72px;
  }

  .header-note {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-pattern {
    inset: auto 0 0;
    height: 42%;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .hero-copy,
  .hero-system {
    grid-column: auto;
    padding-right: 0;
  }

  .hero-system {
    min-height: 420px;
  }

  .system-figure {
    width: min(76vw, 390px);
  }

  .split-layout,
  .approach-header,
  .principles,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    padding-right: 0;
  }

  .section-body {
    padding-top: 0;
  }

  .section-intro {
    display: block;
  }

  .section-intro .eyebrow {
    margin-bottom: 24px;
  }

  .contexts-grid {
    grid-template-columns: 1fr;
  }

  .context-item {
    min-height: 300px;
    padding: 32px 0;
  }

  .context-item + .context-item {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .path {
    grid-template-columns: 1fr 1fr;
    gap: 56px 24px;
  }

  .path::before {
    display: none;
  }

  .principles ul {
    grid-template-columns: 1fr;
  }

  .principles li:nth-child(2) {
    padding-top: 18px;
    border-top: 1px solid var(--line-dark);
  }

  .cta-grid {
    align-items: start;
  }

  .button-light {
    width: fit-content;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .container {
    width: calc(100% - 40px);
  }

  .site-header {
    height: 64px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-width: 4.25px;
  }

  .brand-mark span {
    width: 8.5px;
    height: 8.5px;
  }

  .brand-name {
    font-size: 17px;
  }

  .hero-grid {
    gap: 48px;
    padding-block: 64px 56px;
  }

  h1 {
    margin-bottom: 24px;
    font-size: 40px;
    line-height: 0.98;
    letter-spacing: -0.04em;
  }

  .hero-lead {
    font-size: 18px;
  }

  .button {
    width: 100%;
    min-height: 52px;
    padding: 16px 20px;
    font-size: 16px;
  }

  .hero-system {
    min-height: 330px;
  }

  .system-dot {
    width: 42px;
    height: 42px;
  }

  .system-label {
    padding: 5px 7px;
    font-size: 10px;
  }

  .section {
    padding-block: 80px;
  }

  h2 {
    font-size: 32px;
    line-height: 1;
  }

  blockquote {
    margin-top: 32px;
    padding-top: 24px;
    font-size: 21px;
  }

  .section-intro {
    margin-bottom: 48px;
  }

  .context-item h3,
  .balance-grid h3 {
    font-size: 21px;
  }

  .path {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .path li {
    grid-template-columns: 104px 36px 1fr;
    grid-template-rows: 96px;
    align-items: center;
    justify-items: start;
    gap: 12px;
    text-align: left;
  }

  .path-dot {
    justify-self: center;
  }

  .path strong {
    font-size: 18px;
  }

  .principles {
    gap: 40px;
    margin-top: 64px;
  }

  .balance-grid {
    grid-template-columns: 1fr;
  }

  .balance-grid article,
  .balance-grid article + article {
    padding: 32px 0;
  }

  .balance-grid article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .balance-label {
    margin-bottom: 32px;
  }

  .responsibility {
    margin-top: 48px;
    font-size: 26px;
  }

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

  .cta-grid {
    gap: 40px;
  }

  .cta-grid p:last-child {
    font-size: 18px;
  }

  .site-footer {
    padding-block: 48px 28px;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }

  .footer-channel {
    text-align: left;
  }

  .footer-channel a {
    justify-content: flex-start;
  }
}

@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;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}