:root {
  --ink: #111827;
  --muted: #596579;
  --line: #d8dee8;
  --line-strong: #aeb8c7;
  --paper: #ffffff;
  --quiet: #f7f9fb;
  --accent: #075e73;
  --accent-dark: #064b5c;
  --focus: #0d7490;
  --shell: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

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

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 8px 14px;
  color: white;
  background: var(--ink);
  transform: translateY(-160%);
}

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

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(216, 222, 232, 0.88);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.header-contact {
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.hero {
  min-height: 710px;
  display: grid;
  grid-template-columns: 0.7fr 2fr;
  gap: 64px;
  align-items: center;
  padding-block: 112px 104px;
}

.hero-name {
  align-self: start;
  padding-top: 20px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 850px;
}

.hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(48px, 7.2vw, 88px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero p {
  max-width: 710px;
  margin: 42px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 32px;
  padding: 10px 20px;
  color: white;
  border: 1px solid var(--accent);
  border-radius: 3px;
  background: var(--accent);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.primary-link:hover {
  color: white;
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.section {
  padding-block: 112px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.section-heading p {
  max-width: 560px;
  margin: 6px 0 0;
  color: var(--muted);
}

.business-context {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  margin-bottom: 72px;
  padding-block: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.business-context h3,
.trust-block h3 {
  max-width: 420px;
  margin: 0;
  font-size: 28px;
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.business-context p {
  margin: 0;
  color: var(--muted);
}

.business-context p + p {
  margin-top: 16px;
}

.walkthrough {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.walkthrough li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 24px;
  padding-block: 34px;
  border-top: 1px solid var(--line);
}

.step-number,
.outcome-grid article > span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.walkthrough h3,
.mode-grid h3,
.outcome-grid h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 680;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.walkthrough p {
  max-width: 830px;
  margin: 10px 0 0;
  color: var(--muted);
}

.diagram-shell {
  margin: 88px 0 0;
  padding: 28px 28px 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.diagram-shell-compact {
  margin-top: 72px;
}

.diagram {
  display: block;
  width: 100%;
  height: auto;
  margin-inline: auto;
}

.diagram-a {
  max-width: 900px;
}

.diagram-b {
  max-width: 900px;
}

.diagram-shell figcaption {
  padding-top: 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.svg-lane,
.svg-arrow-label,
.svg-label,
.svg-sub-label {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.svg-lane {
  fill: var(--muted);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.svg-divider {
  stroke: var(--line);
  stroke-width: 1;
}

.svg-box {
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.svg-tool {
  fill: var(--quiet);
}

.svg-card {
  fill: var(--paper);
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.svg-card-band {
  fill: var(--quiet);
}

.svg-card-rule {
  stroke: var(--line);
  stroke-width: 1;
}

.svg-card-heading,
.svg-card-copy,
.svg-card-footer {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.svg-card-heading {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.11em;
}

.svg-card-copy {
  fill: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.svg-card-footer {
  fill: var(--muted);
  font-size: 11.5px;
  font-weight: 650;
}

.svg-flow-box {
  fill: white;
}

.svg-terminal {
  fill: #eaf4f5;
  stroke: var(--accent);
}

.svg-stop {
  fill: white;
  stroke: var(--line-strong);
}

.svg-label {
  fill: var(--ink);
  font-size: 21px;
  font-weight: 650;
}

.svg-sub-label {
  fill: var(--muted);
  font-size: 16px;
}

.svg-arrow {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.svg-arrow-return {
  stroke-dasharray: 5 5;
}

.svg-arrow-head {
  fill: var(--accent);
}

.svg-arrow-label {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.diagram-a .svg-label {
  font-size: 18px;
}

.diagram-a .svg-arrow-label {
  fill: var(--ink);
  font-size: 11.5px;
  font-weight: 650;
}

.svg-connector-label-bg {
  fill: var(--paper);
}

.diagram-mobile-list {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  color: var(--ink);
  counter-reset: delivery-step;
  list-style: none;
}

.diagram-mobile-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 8px;
  border-top: 1px solid var(--line);
  counter-increment: delivery-step;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
}

.diagram-mobile-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.diagram-mobile-list li::before {
  color: var(--accent);
  content: counter(delivery-step, decimal-leading-zero);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 2;
}

.diagram-mobile-note {
  margin: 20px 8px 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.mode-grid article {
  padding-top: 24px;
  border-top: 3px solid var(--accent);
}

.mode-grid p {
  margin: 14px 0 0;
  color: var(--muted);
}

.control-copy {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 48px;
  margin-top: 72px;
  border-bottom: 1px solid var(--line);
}

.control-copy p {
  margin: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.trust-block {
  display: grid;
  grid-template-columns: 0.8fr 2fr;
  gap: 64px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
}

.trust-grid p {
  margin: 0;
  padding: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

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

.outcome-grid article {
  min-height: 300px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.outcome-grid h3 {
  margin-top: 44px;
}

.outcome-grid p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.audience {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: start;
}

.audience p {
  max-width: 560px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 21px;
}

.contact {
  padding-block: 120px 112px;
  border-top: 1px solid var(--line);
}

.contact a {
  display: inline-block;
  margin-top: 48px;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.contact p {
  margin: 32px 0 0;
  color: var(--muted);
}

.site-footer {
  padding-block: 28px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 820px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 88px;
  }

  .hero-name {
    padding-top: 0;
  }

  .section,
  .contact {
    padding-block: 88px;
  }

  .section-heading,
  .audience,
  .business-context,
  .trust-block {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mode-grid,
  .outcome-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .outcome-grid article {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 17px;
  }

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

  .header-inner {
    min-height: 56px;
  }

  .header-contact {
    font-size: 13px;
  }

  .hero {
    padding-block: 72px 80px;
  }

  .hero h1 {
    font-size: clamp(46px, 14vw, 64px);
  }

  .hero p {
    margin-top: 32px;
    font-size: 18px;
  }

  .section,
  .contact {
    padding-block: 72px;
  }

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

  .business-context {
    margin-bottom: 56px;
    padding-block: 28px;
  }

  .business-context h3,
  .trust-block h3 {
    font-size: 24px;
  }

  .walkthrough li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
    padding-block: 28px;
  }

  .walkthrough h3 {
    font-size: 20px;
  }

  .diagram-shell {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 18px 8px 14px;
    border-right: 0;
    border-left: 0;
  }

  .diagram .svg-label {
    font-size: 29px;
  }

  .diagram .svg-sub-label {
    font-size: 24px;
  }

  .diagram .svg-arrow-label {
    font-size: 23px;
  }

  .diagram .svg-lane {
    font-size: 22px;
  }

  .mode-grid {
    gap: 40px;
  }

  .control-copy {
    grid-template-columns: 1fr;
    margin-top: 56px;
  }

  .trust-block {
    margin-top: 56px;
    padding-top: 32px;
  }

  .outcome-grid article {
    padding: 24px;
  }

  .outcome-grid h3 {
    margin-top: 28px;
  }

  .contact a {
    font-size: clamp(27px, 8.5vw, 42px);
  }
}

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