:root {
  --content: #FAFBFC;
  --sidebar: #E8EEF2;
  --ink: #0F172A;
  --link: #1E3A8A;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--content);
  color: var(--ink);
  font-family: "Source Sans 3";
  font-size: 1.05rem;
  line-height: 1.6;
}

button,
select,
textarea {
  color: var(--ink);
  font: inherit;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 0.18rem solid var(--link);
  outline-offset: 0.18rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 4rem;
  display: grid;
  grid-template-columns: minmax(0, auto) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0.65rem clamp(1rem, 4vw, 3rem);
  background: var(--content);
  border-bottom: 0.08rem solid var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  background: var(--ink);
  color: var(--content);
  border-radius: 0.28rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.docs-label {
  padding-left: 1rem;
  border-left: 0.08rem solid var(--ink);
  font-weight: 600;
}

.topbar-phone {
  justify-self: end;
  font-weight: 700;
  white-space: nowrap;
}

.docs-shell {
  display: grid;
  grid-template-columns: minmax(14rem, 20rem) minmax(0, 1fr);
  max-width: 92rem;
  min-height: calc(100vh - 4rem);
  margin: 0 auto;
}

.docs-toc {
  position: relative;
  background: var(--sidebar);
  border-right: 0.08rem solid var(--ink);
}

.toc-panel {
  position: sticky;
  top: 4rem;
  padding: 2.2rem 1.5rem 1.4rem;
}

.toc-panel summary {
  margin-bottom: 1rem;
  cursor: pointer;
  font-weight: 700;
}

.toc-links {
  display: grid;
  gap: 0.35rem;
}

.toc-links a {
  display: grid;
  grid-template-columns: 3.7rem minmax(0, 1fr);
  align-items: baseline;
  padding: 0.68rem 0.55rem;
  color: var(--ink);
  border-left: 0.18rem solid transparent;
  text-decoration: none;
}

.toc-links a:hover,
.toc-links a[aria-current="true"] {
  color: var(--link);
  border-left-color: var(--link);
  background: var(--content);
}

.toc-index {
  color: var(--link);
  font-family: "Space Mono";
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.toc-note {
  position: sticky;
  top: 31rem;
  display: grid;
  gap: 0.15rem;
  margin: 0 1.5rem 2rem;
  padding: 1rem;
  border: 0.08rem solid var(--ink);
  background: var(--sidebar);
}

.docs-content {
  min-width: 0;
  padding: clamp(2.5rem, 6vw, 6rem) clamp(1.25rem, 7vw, 7rem) 2rem;
}

.services,
.contact {
  width: min(100%, 56rem);
}

.overview {
  padding-bottom: 3rem;
  border-bottom: 0.08rem solid var(--ink);
}

.eyebrow,
.field-label,
.service-kicker {
  margin: 0;
  color: var(--link);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 1.35rem;
  line-height: 1.2;
}

.lead {
  max-width: 42rem;
  font-size: 1.35rem;
  line-height: 1.45;
}

.overview > p:last-child,
.service-block p:last-child,
.section-heading > p:last-child,
.form-heading p:last-child,
.privacy p:last-child {
  margin-bottom: 0;
}

.section-heading {
  padding: 3rem 0 1.3rem;
}

.section-heading.compact {
  padding-top: 0;
}

.service-list {
  margin: 0;
}

.service-block {
  display: grid;
  grid-template-columns: minmax(13rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.25rem, 4vw, 4rem);
  padding: 2rem 0;
  border-top: 0.08rem solid var(--ink);
  scroll-margin-top: 5.5rem;
}

.service-block:last-child {
  border-bottom: 0.08rem solid var(--ink);
}

.service-block dt {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.25;
}

.service-kicker {
  display: block;
  margin-bottom: 0.55rem;
}

.service-block dd {
  margin: 0;
}

.scope-note {
  padding: 1rem;
  background: var(--sidebar);
  border-left: 0.22rem solid var(--link);
  font-weight: 600;
}

.contact {
  padding-top: 4rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 1.1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: 2rem 0 4rem;
  border-top: 0.08rem solid var(--ink);
}

.contact-details {
  display: grid;
  align-content: start;
  gap: 0;
  font-style: normal;
}

.detail-row {
  display: grid;
  gap: 0.15rem;
  padding: 1rem 0;
  border-bottom: 0.08rem solid var(--sidebar);
}

.contact-form {
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--sidebar);
  border: 0.08rem solid var(--ink);
}

.form-heading {
  margin-bottom: 1.4rem;
}

.contact-form label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-weight: 700;
}

.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--content);
  border: 0.08rem solid var(--ink);
  border-radius: 0.2rem;
}

.contact-form textarea {
  min-height: 7rem;
  resize: vertical;
}

.contact-form button {
  width: 100%;
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  cursor: pointer;
  background: var(--link);
  color: var(--content);
  border: 0.08rem solid var(--link);
  border-radius: 0.2rem;
  font-weight: 700;
}

.contact-form button:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.form-status {
  min-height: 1.6em;
  margin: 0.8rem 0 0;
  font-weight: 600;
}

.privacy {
  scroll-margin-top: 5.5rem;
  padding: 2rem;
  border: 0.08rem solid var(--ink);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding: 1.5rem 0 0;
  border-top: 0.08rem solid var(--ink);
  font-size: 0.95rem;
}

@media (min-width: 52.01rem) {
  .toc-panel summary {
    display: none;
  }

  .toc-panel:not([open]) .toc-links {
    display: grid;
  }
}

@media (max-width: 52rem) {
  html {
    scroll-padding-top: 7rem;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .docs-label {
    display: none;
  }

  .brand-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar-phone {
    font-size: 0.9rem;
  }

  .docs-shell {
    display: block;
  }

  .docs-toc {
    position: sticky;
    top: 3.95rem;
    z-index: 10;
    border-right: 0;
    border-bottom: 0.08rem solid var(--ink);
  }

  .toc-panel {
    position: static;
    padding: 0.55rem 1rem;
  }

  .toc-panel summary {
    margin: 0;
    padding: 0.25rem 0;
  }

  .toc-links {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 0.5rem;
    padding: 0.6rem 0 0.3rem;
  }

  .toc-links a {
    display: flex;
    gap: 0.5rem;
    padding: 0.45rem 0.7rem;
    background: var(--content);
    border: 0.08rem solid var(--ink);
    border-radius: 0.2rem;
    white-space: nowrap;
  }

  .toc-links a:hover,
  .toc-links a[aria-current="true"] {
    border-color: var(--link);
  }

  .toc-note {
    display: none;
  }

  .docs-content {
    padding-top: 3rem;
  }

  .service-block,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 36rem) {
  .topbar {
    gap: 0.55rem;
    padding-inline: 0.75rem;
  }

  .brand-mark {
    display: none;
  }

  .brand-name {
    font-size: 0.92rem;
  }

  .topbar-phone {
    font-size: 0.8rem;
  }

  h1 {
    font-size: 2.65rem;
  }

  .docs-content {
    padding-inline: 1rem;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer {
    flex-direction: column;
  }
}

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