:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #637087;
  --paper: #f5f7f9;
  --surface: #ffffff;
  --line: #dce2e9;
  --line-strong: #c8d0da;
  --blue: #2865e8;
  --blue-soft: #eef3ff;
  --green: #167555;
  --max: 68rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.55;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  border-radius: 0.2rem;
  outline: 3px solid rgba(40, 101, 232, 0.3);
  outline-offset: 3px;
}

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

.site-header__inner,
.page,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header__inner {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

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

.page {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 5rem;
}

.home-page {
  padding-top: clamp(3rem, 6vw, 4.5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 20rem);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.hero__copy {
  max-width: 39rem;
}

.kicker,
.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  font-family: inherit;
  font-weight: 720;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.5rem, 5.3vw, 4.15rem);
  line-height: 1.03;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.12;
}

h3 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.lede {
  max-width: 38rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
}

.plain-note {
  max-width: 35rem;
  margin-top: 2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.84rem;
}

.product-preview {
  width: min(100%, 19rem);
  margin: 0 auto;
}

.product-preview__frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: 0 1.5rem 3.5rem rgba(20, 32, 51, 0.15);
}

.product-preview img {
  display: block;
  width: 100%;
  height: auto;
}

.product-preview figcaption {
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

.section {
  margin-top: clamp(4.5rem, 9vw, 7rem);
}

.section-heading {
  max-width: 40rem;
  margin-bottom: 1.75rem;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
}

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

.workflow-item {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line);
}

.workflow-item__number {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.workflow-item p {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
}

.requirements {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 7vw, 5rem);
  padding: clamp(2rem, 5vw, 3.25rem);
  border: 1px solid var(--line);
  background: var(--surface);
}

.requirements h2 {
  margin-bottom: 0.4rem;
}

.requirements > div > p {
  margin: 0;
  margin-bottom: 0;
  color: var(--muted);
}

.requirements ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.requirements li + li {
  margin-top: 0.65rem;
}

.document-header {
  max-width: 47rem;
  margin-bottom: 3rem;
}

.document-header h1 {
  max-width: none;
  font-size: clamp(2.35rem, 5vw, 3.5rem);
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.prose {
  max-width: 47rem;
}

.prose section + section {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.prose h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
}

.prose h3 {
  margin-top: 1.65rem;
  font-size: 1.05rem;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.5rem;
}

.notice {
  margin: 1.75rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.notice p {
  margin: 0;
  color: var(--ink);
}

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

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 740px) {
  .hero,
  .requirements {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 2.75rem;
  }

  .product-preview {
    width: min(85%, 18rem);
  }

  .workflow-item {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}