@font-face {
  font-family: "Onest";
  src: url("../fonts/onest-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0301, U+0400-052F, U+1C80-1C8A, U+20B4, U+2116, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

@font-face {
  font-family: "Onest";
  src: url("../fonts/onest-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-02FF, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-400-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0301, U+0400-052F, U+2116;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0000-02FF, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  unicode-range: U+0301, U+0400-052F, U+2116;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  unicode-range: U+0000-02FF, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;
  --canvas: #f4f2ec;
  --surface: #ffffff;
  --ink: #141820;
  --ink-soft: #444b57;
  --ink-muted: #626975;
  --line: #d6d3ca;
  --line-strong: #bcb8ad;
  --accent: #2855e7;
  --accent-hover: #1f45c0;
  --accent-soft: #e8edff;
  --accent-ink: #17369f;
  --success: #137a65;
  --success-soft: #dcefe9;
  --warning: #b8562b;
  --warning-soft: #f5e3d9;
  --warning-ink: #7f351d;
  --danger: #a93131;
  --danger-soft: #f8e2e2;
  --focus: #173ec4;
  --shadow-menu: 0 24px 70px rgb(20 24 32 / 0.16);
  --font-sans: "Onest", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --duration-fast: 150ms;
  --duration-ui: 220ms;
  --duration-section: 540ms;
  --radius-control: 8px;
  --radius-surface: 14px;
  --container: 1280px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--accent);
}

button {
  border: 0;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
dl,
dd,
figure {
  margin-top: 0;
}

p:last-child,
ul:last-child,
ol:last-child,
dl:last-child {
  margin-bottom: 0;
}

::selection {
  background: var(--accent);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius-control);
  background: var(--ink);
  color: #fff;
  transform: translateY(-160%);
  transition: transform var(--duration-ui) var(--ease-out);
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(100%, 760px);
}

.section {
  position: relative;
  padding-block: clamp(76px, 9vw, 136px);
}

.section-tight {
  padding-block: clamp(56px, 7vw, 96px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-heading p {
  max-width: 680px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.5vw, 1.25rem);
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.display,
.page-title,
.section-title {
  margin-bottom: 0;
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.display {
  max-width: 13.5ch;
  font-size: clamp(2.9rem, 4.7vw, 4.75rem);
  line-height: 0.99;
}

.page-title {
  max-width: 18ch;
  font-size: clamp(2.75rem, 5vw, 5rem);
  line-height: 1;
}

.section-title {
  font-size: clamp(2.1rem, 3.8vw, 3.8rem);
  line-height: 1.04;
}

.title-small {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.lead {
  max-width: 63ch;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.6vw, 1.32rem);
  line-height: 1.52;
}

.mono {
  font-family: var(--font-mono);
}

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

.space-top {
  margin-top: 28px;
}

.space-top-sm {
  margin-top: 26px;
}

.surface {
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--duration-ui) ease,
    border-color var(--duration-ui) ease,
    color var(--duration-ui) ease,
    transform var(--duration-fast) var(--ease-out);
}

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

.button-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.button-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--ink);
  background: rgb(255 255 255 / 0.54);
  text-decoration: none;
}

.button-arrow {
  position: relative;
  width: 18px;
  height: 12px;
  flex: 0 0 auto;
}

.button-arrow::before,
.button-arrow::after {
  position: absolute;
  content: "";
}

.button-arrow::before {
  top: 5px;
  left: 0;
  width: 17px;
  border-top: 1.5px solid currentColor;
}

.button-arrow::after {
  top: 2px;
  right: 0;
  width: 7px;
  height: 7px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.button:active,
.menu-button:active,
.tab-button:active,
.comparison-selector:active {
  transform: scale(0.97);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent-ink);
  font-weight: 600;
}

.text-link::after {
  content: "→";
  transition: transform var(--duration-ui) var(--ease-out);
}

.text-link:hover::after {
  transform: translateX(4px);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-height);
  border-bottom: 1px solid rgb(214 211 202 / 0.82);
  background: rgb(244 242 236 / 0.94);
  backdrop-filter: blur(12px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  min-width: 200px;
  display: inline-grid;
  grid-template-columns: 34px auto;
  grid-template-rows: auto auto;
  column-gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  grid-row: 1 / 3;
  width: 34px;
  height: 34px;
  display: block;
  border-radius: var(--radius-control);
  object-fit: contain;
}

.brand-name {
  align-self: end;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.15;
}

.brand-role {
  align-self: start;
  color: var(--ink-muted);
  font-size: 0.7rem;
  line-height: 1.2;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 31px);
}

.desktop-nav a:not(.button) {
  position: relative;
  padding-block: 8px;
  color: var(--ink-soft);
  font-size: 0.91rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.desktop-nav a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-ui) var(--ease-out);
}

.desktop-nav a:not(.button):hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.desktop-nav a[aria-current="page"] {
  color: var(--ink);
}

.header-cta {
  min-height: 42px;
  padding: 10px 15px;
  font-size: 0.9rem;
}

.menu-button {
  width: 46px;
  height: 46px;
  display: none;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: transparent;
  cursor: pointer;
  transition:
    background-color var(--duration-ui) ease,
    transform var(--duration-fast) var(--ease-out);
}

.menu-button-lines,
.menu-button-lines::before,
.menu-button-lines::after {
  width: 20px;
  height: 1.5px;
  display: block;
  background: var(--ink);
  content: "";
  transition:
    transform var(--duration-ui) var(--ease-out),
    opacity var(--duration-ui) ease;
}

.menu-button-lines::before {
  transform: translateY(-6px);
}

.menu-button-lines::after {
  transform: translateY(4.5px);
}

.menu-button[aria-expanded="true"] .menu-button-lines {
  background: transparent;
}

.menu-button[aria-expanded="true"] .menu-button-lines::before {
  transform: translateY(0) rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button-lines::after {
  transform: translateY(-1.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 29;
  display: none;
  overflow-y: auto;
  background: var(--canvas);
  opacity: 0;
  transform: translateY(-10px);
  transition:
    opacity var(--duration-ui) ease,
    transform var(--duration-ui) var(--ease-out);
}

.mobile-menu[aria-hidden="false"] {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-inner {
  min-height: calc(100dvh - var(--header-height));
  display: flex;
  flex-direction: column;
  padding-block: 32px 24px;
}

.mobile-nav {
  display: grid;
}

.mobile-nav a:not(.button) {
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.35rem, 6vw, 2rem);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
}

.mobile-menu .button {
  width: 100%;
  margin-top: 28px;
}

.mobile-contact {
  margin-top: auto;
  padding-top: 48px;
  display: grid;
  gap: 8px;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

/* Hero */

.hero {
  min-height: calc(100dvh - var(--header-height));
  display: flex;
  align-items: center;
  padding-block: clamp(36px, 4vw, 58px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(390px, 5fr);
  gap: clamp(42px, 6vw, 88px);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy .lead {
  max-width: 52ch;
  margin: 22px 0 24px;
}

.hero-copy .button-row {
  margin-top: 20px;
}

.process-board {
  position: relative;
  min-height: 548px;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.78), rgb(255 255 255 / 0.94)),
    var(--surface);
}

.process-board::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.9%, rgb(214 211 202 / 0.42) 50%, transparent 50.1%);
  content: "";
  pointer-events: none;
}

.process-board-head {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.process-board-title,
.process-demo-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.process-demo-label {
  color: var(--ink-muted);
}

.process-list {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list::before {
  position: absolute;
  top: var(--process-line-start, 41px);
  left: var(--process-line-x, 19px);
  width: 2px;
  height: var(--process-line-span, calc(100% - 82px));
  background: var(--line);
  content: "";
}

.process-list::after {
  position: absolute;
  top: var(--process-line-start, 41px);
  left: var(--process-line-x, 19px);
  width: 2px;
  height: var(--process-line-progress, 0px);
  background: var(--accent);
  content: "";
}

.process-node {
  --node-color: var(--line-strong);
  position: relative;
  min-height: 82px;
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 15px 14px 0;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--ink-muted);
  transition: color 180ms ease;
}

.process-node::before {
  position: relative;
  z-index: 2;
  width: 12px;
  height: 12px;
  justify-self: center;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--node-color);
  box-shadow: 0 0 0 1px var(--node-color);
  content: "";
  transition: transform 300ms var(--ease-out);
}

.process-node.is-complete,
.process-node.is-active {
  color: var(--ink);
}

.process-node.is-active {
  --node-color: var(--accent);
  border-color: var(--line);
  background: var(--surface);
}

.process-node.is-complete {
  --node-color: var(--accent);
}

.process-node[data-kind="approval"].is-active,
.process-node[data-kind="approval"].is-complete {
  --node-color: var(--warning);
}

.process-node.is-active::before {
  transform: scale(1.15);
}

.process-node-content {
  min-width: 0;
}

.process-node-label {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  line-height: 1.25;
}

.process-node-meta {
  color: var(--ink-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.process-node-state {
  min-width: 76px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-align: right;
}

.process-result {
  position: relative;
  z-index: 2;
  margin-top: 22px;
  padding: 20px;
  border-radius: 10px;
  background: var(--accent-soft);
  opacity: 0.48;
  transform: translateY(8px);
  transition:
    opacity 420ms ease,
    transform 420ms var(--ease-out);
}

.process-board[data-step="5"] .process-result {
  opacity: 1;
  transform: translateY(0);
}

.process-result-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.process-result-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.45rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.process-result-note {
  max-width: 18ch;
  color: var(--accent-ink);
  font-size: 0.75rem;
  text-align: right;
}

/* Proof */

.proof-strip {
  border-block: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.metric {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.metric:first-child {
  padding-left: 0;
}

.metric:last-child {
  border-right: 0;
}

.metric-value {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}

.metric-label {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

/* Small and medium business */

.smb-section {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.smb-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(56px, 9vw, 132px);
  align-items: start;
}

.smb-copy .section-title {
  max-width: 12ch;
}

.smb-copy .lead {
  margin-top: 24px;
}

.smb-copy .button {
  margin-top: 30px;
}

.smb-protocol {
  border-top: 1px solid var(--line-strong);
}

.smb-protocol-head {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.035em;
}

.smb-conditions {
  margin: 0;
  padding: 0;
  list-style: none;
}

.smb-conditions li {
  min-height: 94px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 20px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.smb-condition-index {
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.smb-conditions strong {
  max-width: 42ch;
  font-size: clamp(1.04rem, 1.5vw, 1.18rem);
  font-weight: 500;
  line-height: 1.45;
}

.smb-start {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 22px;
  padding: 24px;
  border-radius: var(--radius-surface);
  background: var(--accent);
  color: var(--surface);
}

.smb-start-label {
  padding-top: 3px;
  color: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.035em;
}

.smb-start strong,
.smb-start span {
  display: block;
}

.smb-start strong {
  margin-bottom: 6px;
  font-size: 1.18rem;
}

.smb-start div > span {
  color: var(--accent-soft);
  font-size: 0.9rem;
}

/* Problem */

.problem-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: start;
}

.problem-statement {
  position: sticky;
  top: calc(var(--header-height) + 36px);
}

.problem-statement .section-title {
  max-width: 12ch;
}

.problem-statement p {
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.observations {
  margin: 0;
  padding: 0;
  list-style: none;
}

.observation {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.observation:first-child {
  padding-top: 0;
}

.observation-index {
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.observation h3 {
  margin-bottom: 10px;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.observation p {
  color: var(--ink-muted);
}

/* Solutions explorer */

.solutions-explorer {
  min-height: 540px;
  display: grid;
  grid-template-columns: minmax(250px, 4fr) minmax(0, 8fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.solution-tabs {
  display: grid;
  align-content: start;
  border-right: 1px solid var(--line);
}

.tab-button {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition:
    background-color var(--duration-ui) ease,
    color var(--duration-ui) ease,
    transform var(--duration-fast) var(--ease-out);
}

.tab-button::after {
  content: "→";
  opacity: 0;
  transform: translateX(-4px);
  transition:
    opacity var(--duration-ui) ease,
    transform var(--duration-ui) var(--ease-out);
}

.tab-button:hover,
.tab-button[aria-selected="true"] {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.tab-button[aria-selected="true"]::after {
  opacity: 1;
  transform: translateX(0);
}

.solution-panel {
  position: relative;
  display: grid;
  align-content: space-between;
  padding: clamp(28px, 5vw, 66px);
}

.solution-panel[hidden] {
  display: none;
}

.solution-panel h3 {
  max-width: 16ch;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
}

.solution-panel > div > p {
  max-width: 54ch;
  color: var(--ink-muted);
}

.solution-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.solution-actions li {
  position: relative;
  padding-left: 20px;
  font-size: 0.96rem;
}

.solution-actions li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  border-top: 1.5px solid var(--accent);
  content: "";
}

/* Before / after */

.comparison-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.comparison-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.comparison-selector {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--duration-ui) ease,
    color var(--duration-ui) ease,
    transform var(--duration-fast) var(--ease-out);
}

.comparison-selector[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
}

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

.comparison-side {
  min-height: 430px;
  padding: clamp(28px, 5vw, 58px);
}

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

.comparison-label {
  margin-bottom: 32px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.comparison-side.after {
  background: var(--accent-soft);
}

.comparison-side.after .comparison-label {
  color: var(--accent-ink);
}

.process-steps-simple {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-steps-simple li {
  position: relative;
  min-height: 52px;
  display: flex;
  align-items: center;
  padding-left: 42px;
}

.process-steps-simple li::before {
  position: absolute;
  left: 0;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink-muted);
  content: counter(list-item);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.after .process-steps-simple li::before {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* Sprint */

.sprint-route {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 62px 0 0;
  padding: 0;
  list-style: none;
}

.sprint-route::before {
  position: absolute;
  top: 20px;
  right: calc(100% / 12);
  left: calc(100% / 12);
  border-top: 1px solid var(--line-strong);
  content: "";
}

.sprint-step {
  position: relative;
  padding: 0 clamp(10px, 2vw, 24px);
  text-align: center;
}

.sprint-step::before {
  position: relative;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--canvas);
  color: var(--ink-muted);
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  transition:
    background-color 360ms ease,
    border-color 360ms ease,
    color 360ms ease,
    transform 360ms var(--ease-out);
}

.sprint-step.is-visible::before {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  transform: scale(1.06);
}

.sprint-step h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  font-weight: 600;
}

.sprint-step p {
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.sprint-outcomes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(56px, 8vw, 90px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--line);
}

.sprint-outcome {
  min-height: 160px;
  padding: 26px;
  background: var(--surface);
}

.sprint-outcome strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.sprint-outcome span {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

/* Principles */

.principles {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
}

.principles-copy {
  position: sticky;
  top: calc(var(--header-height) + 36px);
  min-width: 0;
}

.principles-copy .section-title {
  max-width: 12ch;
  font-size: clamp(2.1rem, 3vw, 3.25rem);
}

.principles-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px 54px;
  margin: 0;
  padding: 0;
  counter-reset: principle;
  list-style: none;
}

.principles-list li {
  counter-increment: principle;
}

.principles-list li::before {
  display: block;
  margin-bottom: 17px;
  color: var(--accent-ink);
  content: counter(principle, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.principles-list strong {
  display: block;
  font-size: clamp(1.12rem, 1.7vw, 1.38rem);
  font-weight: 600;
  line-height: 1.35;
}

/* Experience */

.experience-band {
  position: relative;
  padding-block: clamp(70px, 10vw, 130px);
  border-block: 1px solid var(--line);
}

.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
  gap: clamp(56px, 9vw, 128px);
  align-items: end;
}

.experience-quote {
  max-width: 17ch;
  margin-bottom: 0;
  font-size: clamp(2rem, 4.4vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.06;
}

.experience-detail {
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.experience-detail p {
  color: var(--ink-soft);
}

/* Enterprise */

.enterprise-bridge {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 68px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.enterprise-bridge::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 32%;
  height: 100%;
  background:
    linear-gradient(135deg, transparent 0 34%, var(--accent-soft) 34% 66%, transparent 66%);
  content: "";
  opacity: 0.7;
  pointer-events: none;
}

.enterprise-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.enterprise-content p {
  max-width: 62ch;
  margin: 21px 0 28px;
  color: var(--ink-soft);
}

/* FAQ */

.faq-layout {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: clamp(50px, 8vw, 110px);
  align-items: start;
}

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr 30px;
  gap: 24px;
  align-items: center;
  padding-block: 20px;
  font-size: clamp(1.03rem, 1.6vw, 1.22rem);
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  transition: transform var(--duration-ui) var(--ease-out);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-width: 65ch;
  padding: 0 48px 27px 0;
  color: var(--ink-muted);
}

/* Final CTA */

.final-cta {
  padding-block: clamp(82px, 12vw, 156px);
}

.final-cta-inner {
  max-width: 1000px;
}

.final-cta .section-title {
  max-width: 18ch;
}

.final-cta p {
  max-width: 630px;
  margin: 25px 0 30px;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

/* Inner pages */

.page-hero {
  padding-block: clamp(72px, 11vw, 150px) clamp(70px, 10vw, 130px);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
  gap: clamp(44px, 8vw, 112px);
  align-items: end;
}

.page-hero .lead {
  margin: 28px 0 0;
}

.page-aside {
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  color: var(--ink-soft);
}

.page-aside strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.catalog-item {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.catalog-item:nth-child(1),
.catalog-item:nth-child(4) {
  grid-column: span 7;
}

.catalog-item:nth-child(2),
.catalog-item:nth-child(3) {
  grid-column: span 5;
}

.catalog-item:nth-child(5),
.catalog-item:nth-child(6) {
  grid-column: span 6;
}

.catalog-item:nth-child(2),
.catalog-item:nth-child(5) {
  background: var(--accent-soft);
}

.catalog-item h2 {
  margin-bottom: 20px;
  font-size: clamp(1.55rem, 3vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.catalog-item ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 24px;
  margin: auto 0 0;
  padding: 28px 0 0;
  list-style: none;
}

.catalog-item li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.catalog-item li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 6px;
  border-top: 1px solid var(--accent);
  content: "";
}

.method-flow {
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-step {
  display: grid;
  grid-template-columns: 2fr 4fr 6fr;
  gap: 34px;
  align-items: start;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.method-step:first-child {
  border-top: 1px solid var(--line);
}

.method-step-key {
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.method-step h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.method-step ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 28px;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  list-style: none;
}

.method-principle {
  margin-top: clamp(70px, 10vw, 126px);
  padding: clamp(34px, 6vw, 70px);
  border-radius: var(--radius-surface);
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: clamp(1.8rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.enterprise-pains {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--line);
}

.enterprise-pain {
  min-height: 180px;
  padding: 24px;
  background: var(--surface);
}

.enterprise-pain strong {
  display: block;
  margin-bottom: 9px;
}

.enterprise-pain p {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.architecture-map {
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.architecture-layers {
  display: grid;
  gap: 12px;
  margin-top: 38px;
}

.architecture-layer {
  display: grid;
  grid-template-columns: minmax(180px, 3fr) 9fr;
  gap: 24px;
  align-items: center;
  min-height: 82px;
  padding: 17px 20px;
  border-radius: 10px;
  background: var(--canvas);
}

.architecture-layer:nth-child(2),
.architecture-layer:nth-child(4) {
  background: var(--accent-soft);
}

.architecture-layer strong {
  font-size: 0.94rem;
}

.architecture-layer span {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.about-intro {
  max-width: 930px;
}

.about-intro p {
  font-size: clamp(1.35rem, 2.6vw, 2.15rem);
  letter-spacing: -0.02em;
  line-height: 1.38;
}

.career-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(60px, 10vw, 112px);
}

.career-line::before {
  position: absolute;
  top: 6px;
  left: 6px;
  width: calc(75% + 15px);
  border-top: 1px solid var(--line-strong);
  content: "";
}

.career-point {
  position: relative;
  padding-top: 34px;
}

.career-point::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 13px;
  height: 13px;
  border: 3px solid var(--canvas);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  content: "";
}

.career-point time {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.career-point strong {
  display: block;
  margin-bottom: 8px;
}

.career-point p {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.competency-matrix {
  display: grid;
  gap: 30px;
}

.competency-group {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.competency-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.competency-group h3 {
  margin-bottom: 13px;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.competency-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.competency {
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: rgb(255 255 255 / 0.48);
  font-size: 0.9rem;
}

/* Contact form */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(50px, 8vw, 112px);
  align-items: start;
}

.contact-aside {
  position: sticky;
  top: calc(var(--header-height) + 36px);
}

.direct-contacts {
  display: grid;
  gap: 13px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.direct-contacts a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.contact-form {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label,
.fieldset-label {
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--canvas);
  color: var(--ink);
  transition:
    border-color var(--duration-ui) ease,
    background-color var(--duration-ui) ease,
    box-shadow var(--duration-ui) ease;
}

.field textarea {
  min-height: 138px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6e747e;
  opacity: 1;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--focus);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgb(23 62 196 / 0.14);
}

.field-hint {
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.field-error {
  color: var(--danger);
  font-size: 0.82rem;
}

.field [aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.checkbox-field {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
}

.checkbox-field input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.optional-fields {
  border-top: 1px solid var(--line);
}

.optional-fields summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  color: var(--accent-ink);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.optional-fields summary::-webkit-details-marker {
  display: none;
}

.optional-fields summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  transition: transform var(--duration-ui) var(--ease-out);
}

.optional-fields[open] summary::after {
  transform: rotate(45deg);
}

.optional-fields .form-grid {
  padding-top: 22px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.submit-button {
  min-width: 220px;
  cursor: pointer;
}

.submit-button[disabled] {
  cursor: wait;
  opacity: 0.72;
}

.form-status {
  display: none;
  padding: 16px 18px;
  border-radius: var(--radius-control);
  font-size: 0.92rem;
}

.form-status.is-visible {
  display: block;
}

.form-status[data-kind="success"] {
  background: var(--success-soft);
  color: #0b5d4d;
}

.form-status[data-kind="error"] {
  background: var(--danger-soft);
  color: var(--danger);
}

.form-status[data-kind="warning"] {
  background: var(--warning-soft);
  color: var(--warning-ink);
}

.form-status[data-kind="pending"] {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Privacy */

.legal-document {
  max-width: 820px;
}

.legal-document h2 {
  margin: 58px 0 18px;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  letter-spacing: -0.02em;
}

.legal-document h3 {
  margin: 34px 0 12px;
  font-size: 1.12rem;
}

.legal-document p,
.legal-document li {
  color: var(--ink-soft);
}

.legal-document li + li {
  margin-top: 8px;
}

.legal-meta {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 8px 22px;
  margin: 30px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.legal-meta dt {
  color: var(--ink-muted);
}

.legal-meta dd {
  margin: 0;
}

/* Footer */

.site-footer {
  padding-block: 54px 30px;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  max-width: 42ch;
  margin-top: 17px;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-heading {
  display: block;
  margin-bottom: 13px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.04em;
}

.footer-links,
.footer-contacts {
  display: grid;
  gap: 8px;
}

.footer-links a,
.footer-contacts a {
  width: fit-content;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.78rem;
}

/* 404 */

.not-found {
  min-height: calc(100dvh - var(--header-height));
  display: grid;
  place-items: center;
  padding-block: 64px;
}

.not-found-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
}

.error-code {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: clamp(6rem, 18vw, 16rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.75;
}

.broken-route {
  position: relative;
  height: 2px;
  margin: 34px 0;
  background: linear-gradient(90deg, var(--accent) 0 42%, transparent 42% 58%, var(--line-strong) 58%);
}

.broken-route::before,
.broken-route::after {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.broken-route::before {
  left: 40%;
  background: var(--accent);
}

.broken-route::after {
  left: 58%;
  background: var(--line-strong);
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--duration-section) ease,
    transform var(--duration-section) var(--ease-out);
}

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

.reveal[data-delay="1"] {
  transition-delay: 60ms;
}

.reveal[data-delay="2"] {
  transition-delay: 120ms;
}

.reveal[data-delay="3"] {
  transition-delay: 180ms;
}

/* Constraint-first architecture */

.hero-note {
  max-width: 58ch;
  margin: -8px 0 20px;
  color: var(--ink-muted);
  font-size: 0.94rem;
}

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

.constraint-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(420px, 6fr);
  gap: clamp(52px, 8vw, 112px);
  align-items: start;
}

.constraint-copy .eyebrow {
  color: #9eb4ff;
}

.constraint-copy .section-title {
  max-width: 13ch;
}

.constraint-copy .lead {
  color: #c8cbd2;
}

.constraint-copy blockquote {
  margin: 32px 0;
  padding-left: 22px;
  border-left: 3px solid var(--warning);
  color: #e7e7e3;
  font-size: 1.05rem;
}

.constraint-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgb(255 255 255 / 0.2);
}

.constraint-flow li {
  display: grid;
  grid-template-columns: minmax(110px, 0.35fr) 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgb(255 255 255 / 0.2);
}

.constraint-flow span,
.constraint-item > span {
  color: #9eb4ff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.constraint-flow strong {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.35;
}

.constraint-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.constraint-item {
  min-height: 240px;
  padding: clamp(24px, 4vw, 42px);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.constraint-item:last-child {
  grid-column: 1 / -1;
  min-height: auto;
}

.constraint-item h3 {
  max-width: 18ch;
  margin: 42px 0 12px;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.constraint-item p {
  max-width: 52ch;
  color: var(--ink-muted);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.route-card {
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.route-card h3 {
  margin: 18px 0 28px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.route-card ol {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.route-card li {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  counter-increment: route;
}

.route-card li::before {
  content: "0" counter(route);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.route-card p {
  color: var(--ink-muted);
}

.product-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.product-ladder li {
  display: grid;
  grid-template-columns: 64px minmax(190px, 0.65fr) 1fr;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-strong);
  align-items: baseline;
}

.product-ladder li > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.product-ladder strong {
  font-size: 1.2rem;
}

.product-ladder p {
  color: var(--ink-muted);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.insight-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(28px, 4vw, 48px);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.insight-card h2 {
  margin: 36px 0 18px;
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.insight-card h2 a {
  text-decoration: none;
}

.insight-card p {
  max-width: 52ch;
  color: var(--ink-muted);
}

.insight-card .text-link {
  margin-top: auto;
}

.article-header {
  padding: clamp(72px, 10vw, 132px) 0 clamp(64px, 8vw, 104px);
  border-bottom: 1px solid var(--line-strong);
}

.article-header .page-title {
  max-width: 18ch;
  margin-top: 28px;
}

.article-back {
  display: inline-flex;
  margin-bottom: 54px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(280px, 1fr);
  gap: clamp(64px, 10vw, 148px);
  padding-block: clamp(72px, 10vw, 136px);
  align-items: start;
}

.article-body section + section {
  margin-top: 58px;
}

.article-body h2 {
  margin-bottom: 18px;
  font-size: clamp(1.55rem, 2.5vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.article-body p,
.article-body li {
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.article-body ol {
  padding-left: 1.25rem;
}

.article-body li + li {
  margin-top: 12px;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 28px;
  border-top: 3px solid var(--accent);
  background: var(--surface);
}

.article-aside p {
  margin: 22px 0 28px;
}

/* Responsive */

@media (max-width: 1100px) {
  .desktop-nav {
    gap: 16px;
  }

  .desktop-nav a:not(.button) {
    font-size: 0.84rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(360px, 5fr);
    gap: 42px;
  }

  .display {
    font-size: clamp(2.8rem, 5.4vw, 4.6rem);
  }

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

@media (max-width: 920px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .mobile-menu {
    display: block;
    visibility: hidden;
    pointer-events: none;
  }

  .mobile-menu[aria-hidden="false"] {
    visibility: visible;
    pointer-events: auto;
  }

  .hero {
    min-height: auto;
  }

  .constraint-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .constraint-copy .section-title {
    max-width: 17ch;
  }

  .article-aside {
    position: static;
  }

  .hero-grid,
  .page-hero-grid,
  .smb-layout,
  .problem-layout,
  .principles,
  .experience-layout,
  .faq-layout,
  .contact-layout,
  .not-found-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .display {
    max-width: 15ch;
    font-size: clamp(3rem, 8.8vw, 5.1rem);
  }

  .process-board {
    min-height: 520px;
  }

  .problem-statement,
  .principles-copy,
  .contact-aside {
    position: static;
  }

  .problem-statement .section-title {
    max-width: 17ch;
  }

  .smb-copy {
    max-width: 760px;
  }

  .smb-copy .section-title {
    max-width: 16ch;
  }

  .sprint-route {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .sprint-route::before {
    top: 0;
    right: auto;
    bottom: 0;
    left: 19px;
    border-top: 0;
    border-left: 1px solid var(--line-strong);
  }

  .sprint-step {
    min-height: 84px;
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 20px;
    padding: 0;
    text-align: left;
  }

  .sprint-step::before {
    grid-row: 1 / 3;
    margin: 0;
  }

  .sprint-step h3 {
    margin-bottom: 4px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .method-step {
    grid-template-columns: 70px 3fr 5fr;
  }

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

  .career-line::before {
    display: none;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 66px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding-block: 72px;
  }

  .section-tight {
    padding-block: 56px;
  }

  .brand {
    min-width: auto;
  }

  .brand-role {
    display: none;
  }

  .brand-mark {
    grid-row: auto;
  }

  .brand-name {
    align-self: center;
  }

  .hero {
    padding-block: 44px 64px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .display {
    max-width: 14ch;
    font-size: clamp(2.65rem, 12.5vw, 4.2rem);
    line-height: 0.98;
  }

  .hero-copy .lead {
    margin-top: 22px;
  }

  .hero-note {
    margin-top: -4px;
  }

  .constraint-flow li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .constraint-grid,
  .route-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .constraint-item:last-child {
    grid-column: auto;
  }

  .product-ladder li {
    grid-template-columns: 44px 1fr;
    gap: 12px 16px;
  }

  .product-ladder p {
    grid-column: 2;
  }

  .insight-card {
    min-height: 290px;
  }

  .article-header {
    padding-top: 52px;
  }

  .article-back {
    margin-bottom: 40px;
  }

  .hero-copy .button-row,
  .button-row {
    align-items: stretch;
  }

  .hero-copy .button {
    flex: 1 1 100%;
  }

  .process-board {
    min-height: 510px;
    padding: 18px;
  }

  .process-node {
    grid-template-columns: 36px 1fr;
    padding-right: 8px;
  }

  .process-node-state {
    grid-column: 2;
    min-width: 0;
    text-align: left;
  }

  .process-list::before,
  .process-list::after {
    left: var(--process-line-x, 17px);
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    min-height: 106px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

  .metric:nth-child(odd) {
    padding-right: 16px;
    border-right: 1px solid var(--line);
  }

  .metric:nth-child(even) {
    padding-left: 16px;
  }

  .metric:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .smb-layout {
    gap: 48px;
  }

  .smb-protocol-head {
    min-height: 58px;
  }

  .smb-conditions li {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding-block: 18px;
  }

  .smb-start {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }

  .observation {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .solutions-explorer {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .solution-tabs {
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .tab-button {
    min-width: max-content;
    min-height: 54px;
    padding: 13px 16px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .tab-button::after {
    display: none;
  }

  .solution-panel {
    min-height: 440px;
    padding: 28px 22px;
  }

  .solution-actions {
    grid-template-columns: 1fr;
  }

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

  .comparison-side {
    min-height: 0;
  }

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

  .sprint-outcomes {
    grid-template-columns: 1fr;
  }

  .sprint-outcome {
    min-height: 0;
  }

  .principles-list {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .enterprise-bridge {
    padding: 30px 22px;
  }

  .enterprise-bridge::after {
    width: 46%;
    opacity: 0.4;
  }

  .faq-answer {
    padding-right: 0;
  }

  .page-hero {
    padding-block: 64px 74px;
  }

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

  .catalog-item,
  .catalog-item:nth-child(n) {
    grid-column: auto;
    min-height: 300px;
  }

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

  .method-step {
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 34px 0;
  }

  .method-step ul {
    margin-top: 10px;
  }

  .enterprise-pains {
    grid-template-columns: 1fr;
  }

  .enterprise-pain {
    min-height: 0;
  }

  .architecture-layer {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .career-line {
    grid-template-columns: 1fr;
  }

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

  .field-full {
    grid-column: auto;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .submit-button {
    width: 100%;
  }

  .legal-meta {
    grid-template-columns: 1fr;
  }

  .legal-meta dt {
    margin-top: 10px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .brand-name {
    font-size: 0.88rem;
  }

  .display {
    font-size: clamp(2.35rem, 12vw, 3.2rem);
  }

  .button {
    width: 100%;
  }

  .process-board {
    margin-inline: -4px;
  }

  .comparison-toolbar {
    margin-inline: 0;
  }
}

@media (hover: hover) and (pointer: fine) {
  .catalog-item {
    transition:
      transform 260ms var(--ease-out),
      border-color 260ms ease;
  }

  .catalog-item:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
  }

  .competency:hover {
    border-color: var(--accent);
    color: var(--accent-ink);
  }
}

@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;
  }

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

  .process-list {
    --process-line-progress: var(--process-line-span) !important;
  }

  .process-node {
    color: var(--ink);
  }

  .process-node::before {
    background: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
  }

  .process-node[data-kind="approval"]::before {
    background: var(--warning);
    box-shadow: 0 0 0 1px var(--warning);
  }

  .process-result {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .mobile-menu,
  .button,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .section,
  .page-hero {
    padding-block: 32px;
  }
}