/* ponytail: native HTML and CSS; no client runtime or external fonts. */
:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --ink: #252d2b;
  --muted: #626b65;
  --line: #dcded4;
  --coral: #bd4029;
  --pale: #eceee5;
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 6px;
}
p {
  line-height: 1.65;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  text-wrap: balance;
}
section[id] {
  scroll-margin-top: 0;
}
.shell {
  max-width: 1280px;
  width: calc(100% - 112px);
  margin-inline: auto;
}
.header {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  font-size: 25px;
  letter-spacing: -1.2px;
  font-weight: 750;
}
.wordmark:hover {
  text-decoration: none;
}
.wordmark:hover .brand-name {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.brand-dot {
  color: var(--coral);
}
.brand-mark {
  display: block;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  margin-right: 10px;
}
nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 550;
}
.nav-contact {
  border: 1px solid var(--line);
  padding: 12px 17px;
  border-radius: 6px;
}
.nav-contact span {
  margin-left: 16px;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  grid-template-rows: 1fr auto;
  align-items: center;
  min-height: calc(100svh - 112px);
  padding-block: 64px;
  gap: 32px 8px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  font-weight: 650;
  line-height: 1.5;
  margin-bottom: 25px;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--coral);
  border-radius: 50%;
  margin-right: 8px;
}
.hero h1 {
  font-size: clamp(48px, 5.1vw, 72px);
  font-weight: 550;
  letter-spacing: -3.8px;
  line-height: 1.04;
}
.hero em {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  color: var(--coral);
  letter-spacing: -3px;
}
.lead {
  font-size: 17px;
  margin-top: 27px;
  max-width: 480px;
  color: var(--muted);
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding: 21px 28px;
  background: var(--coral);
  color: white;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}
.button:hover {
  background: #a93723;
  text-decoration: none;
}
.hero > .chapter-next {
  grid-column: 1 / -1;
}
.micro {
  font-size: 11px;
  color: var(--muted);
  margin-top: 15px;
}
.hero-art {
  min-width: 0;
  text-align: center;
}
.hero-art img {
  display: block;
  width: 116%;
  max-width: none;
  height: auto;
  margin-left: -8%;
  /* Keep the illustration independent of backdrop compositing during scroll. */
  border-radius: 20px;
}
.hero-art figcaption {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 20px;
  line-height: 1.6;
}
.section {
  padding-block: 76px;
  border-top: 1px solid var(--line);
}
/* Center content in the flexible first row; reserve a consistent bottom row
   for navigation. Short viewports and enlarged text expand without clipping. */
.chapter {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  row-gap: 32px;
  padding-block: 64px;
}
.chapter-content {
  min-width: 0;
  align-self: center;
}
.chapter-next {
  justify-self: start;
  width: 360px;
  max-width: 100%;
}
.contact-chapter {
  grid-template-rows: 1fr;
  border-top: 1px solid var(--line);
}
h2 {
  font-size: 39px;
  line-height: 1.13;
  font-weight: 550;
  letter-spacing: -1.7px;
}
.section-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.section-intro .eyebrow {
  margin-bottom: 0;
}
.section-intro > p:not(.eyebrow) {
  font-size: 16px;
  color: var(--muted);
  max-width: 48rem;
}
.section-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: 48px;
  align-items: center;
}
.section-art {
  display: block;
  width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
}
.data-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
}
.data-flow li {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 88px;
  padding: 12px 8px;
  border-radius: 8px;
  background: #dceae4;
}
.data-flow li:nth-child(2) {
  background: var(--coral);
  color: white;
}
.data-flow li:nth-child(3) {
  background: #f0dfad;
}
.data-flow li:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -20px;
  color: var(--muted);
}
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 42px;
  margin-top: 40px;
}
.number {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--coral);
  margin-bottom: 12px;
}
h3 {
  font-size: 19px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.45px;
}
.benefits h3 {
  margin-bottom: 12px;
}
.benefits p {
  color: var(--muted);
  font-size: 14px;
}
.technical-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 72px;
  margin-top: 32px;
}
.technical-points article {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.technical-points p {
  color: var(--muted);
  font-size: 1rem;
  margin-top: 10px;
}
.hosting {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
}
.hosting-intro > p:not(.eyebrow) {
  font-size: 16px;
  color: var(--muted);
  max-width: 425px;
  margin-top: 23px;
}
.hosting-art {
  display: block;
  width: 340px;
  max-width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  margin-top: 20px;
}
.hosting-options article {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 26px;
}
.hosting-options article p {
  font-size: 14px;
  color: var(--muted);
  max-width: 440px;
  margin-top: 10px;
}
.hosting .hosting-options .small {
  font-size: 12px;
  line-height: 1.6;
  margin: 0;
}
.contact {
  padding: 51px 48px;
  background: var(--pale);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin: 0;
}
.contact .eyebrow {
  margin-bottom: 17px;
}
.contact p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
  margin-top: 20px;
}
.contact .pilot-steps {
  font-size: 15px;
  color: var(--muted);
  max-width: 600px;
}
.contact .pilot-steps strong {
  color: var(--ink);
}
.contact-action {
  display: flex;
  flex-direction: column;
  gap: 15px;
  flex-shrink: 0;
}
.contact-action .button {
  min-width: 225px;
}
.contact-action > span {
  font-size: 11px;
  color: var(--muted);
}
.footer {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-block: 28px 38px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.footer .wordmark {
  font-size: 21px;
  color: var(--ink);
}
.footer > div {
  margin-left: auto;
  display: flex;
  gap: 24px;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  padding: 12px;
  background: var(--ink);
  color: white;
  z-index: 2;
}
.skip-link:focus {
  top: 16px;
}
.legal {
  max-width: 760px;
  padding-block: 64px;
}
.legal h1 {
  font-size: 44px;
  letter-spacing: -2px;
  margin-bottom: 30px;
}
.legal h2 {
  font-size: 23px;
  letter-spacing: -0.6px;
  margin: 32px 0 13px;
}
.legal p {
  color: var(--muted);
  margin-block: 12px;
}
.legal a {
  text-decoration: underline;
  overflow-wrap: anywhere;
}
@media (min-width: 701px) {
  .hero-art img {
    max-height: max(240px, calc(100svh - 400px));
    object-fit: contain;
  }
}
@media (min-width: 1100px) {
  .technical-points {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
  .technical-points h3 {
    min-height: 2.7em;
  }
}
@media (max-width: 1000px) {
  .header nav {
    gap: 18px;
  }
  .header nav > a[href="/data-vendors"] {
    display: none;
  }
  .shell {
    width: calc(100% - 64px);
  }
  .header {
    height: 90px;
  }
  .hero {
    min-height: calc(100svh - 90px);
  }
  .hero h1 {
    font-size: 54px;
    letter-spacing: -2.7px;
  }
  .hero em {
    letter-spacing: -2px;
  }
  .lead {
    font-size: 15px;
  }
  .desktop-break {
    display: none;
  }
  .hero-art img {
    width: 110%;
    margin-left: -5%;
  }
  h2 {
    font-size: 34px;
  }
  .section-overview {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 32px;
  }
  .technical-points,
  .hosting {
    gap: 32px;
  }
  .benefits {
    gap: 25px;
  }
  .contact {
    padding: 36px;
  }
  .contact h2 {
    font-size: 34px;
  }
}
@media (max-width: 700px) {
  .shell {
    width: calc(100% - 40px);
  }
  .header {
    height: 80px;
  }
  .wordmark {
    font-size: 23px;
  }
  .brand-mark {
    width: 27px;
    height: 27px;
  }
  nav > a:not(.nav-contact) {
    display: none;
  }
  nav {
    gap: 0;
  }
  .nav-contact {
    padding: 10px 12px;
    font-size: 12px;
  }
  .hero {
    min-height: calc(100svh - 80px);
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    padding-block: 44px;
    gap: 30px;
  }
  .eyebrow {
    font-size: 10px;
    margin-bottom: 23px;
  }
  .hero h1 {
    font-size: clamp(44px, 11.5vw, 66px);
    letter-spacing: -2.5px;
  }
  .hero em {
    letter-spacing: -2px;
  }
  .lead {
    font-size: 16px;
    margin-top: 24px;
  }
  .hero-art {
    max-width: 510px;
    justify-self: center;
    width: 100%;
  }
  .hero-art img {
    width: 100%;
    margin: 0;
  }
  .hero-art figcaption {
    font-size: 16px;
    margin-top: 18px;
  }
  .section {
    padding-block: 45px;
  }
  .chapter {
    padding-block: 44px;
  }
  .chapter-next {
    display: flex;
    width: 100%;
  }
  .technical-points,
  .hosting {
    grid-template-columns: 1fr;
    gap: 23px;
  }
  .section-intro > p:not(.eyebrow) {
    font-size: 15px;
  }
  .section-overview {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-art {
    max-width: 260px;
    max-height: 150px;
    justify-self: center;
  }
  .data-flow {
    max-width: 340px;
    width: 100%;
    justify-self: center;
  }
  h2 {
    font-size: 33px;
    letter-spacing: -1.3px;
  }
  .benefits {
    grid-template-columns: 1fr;
    margin-top: 36px;
    gap: 28px;
  }
  .benefits article {
    border-top: 1px solid var(--line);
    padding-top: 23px;
  }
  .benefits h3 {
    margin-bottom: 8px;
  }
  .hosting-intro > p:not(.eyebrow) {
    font-size: 15px;
    margin-top: 18px;
  }
  .hosting-art {
    max-height: 150px;
  }
  .hosting-options {
    margin-top: 8px;
  }
  .contact {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 25px;
    gap: 26px;
  }
  .contact h2 {
    font-size: 32px;
  }
  .contact p br {
    display: none;
  }
  .contact-action {
    width: 100%;
  }
  .contact-action .button {
    width: 100%;
  }
  .footer {
    flex-wrap: wrap;
    gap: 18px;
    padding-block: 24px 30px;
  }
  .footer > span {
    display: none;
  }
  .footer > div {
    gap: 18px;
    font-size: 11px;
  }
  .legal {
    padding-block: 40px;
  }
  .legal h1 {
    font-size: 36px;
  }
}
.section-intro .evidence-link {
  font-size: 16px;
  margin-top: 12px;
  color: var(--coral);
}
.evidence {
  max-width: 1080px;
  font-size: 16px;
}
.evidence-intro {
  padding-block: 72px 32px;
}
.evidence h1 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -2px;
  max-width: 760px;
}
.evidence .evidence-lead {
  max-width: 760px;
  margin-top: 24px;
  font-size: 21px;
}
.evidence-date {
  margin-top: 18px;
  color: var(--muted);
}
.evidence-nav {
  flex-wrap: wrap;
  gap: 14px 24px;
  padding-block: 20px 32px;
  font-size: 16px;
}
.evidence-section {
  border-top: 1px solid var(--line);
  padding-block: 48px;
}
.evidence-section h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.evidence-section h3 {
  font-size: 21px;
  margin-bottom: 12px;
}
.evidence-section p + p {
  margin-top: 16px;
}
.evidence-section > p:not(.number) {
  max-width: 850px;
}
.evidence-section a:not(.button),
.evidence-nav a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.evidence-table {
  overflow-x: auto;
  margin-block: 28px;
}
.vendor-link {
  margin-top: 16px;
  font-size: 16px;
  color: var(--coral);
}
.vendor-link a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.service-grid section {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.product-shot {
  margin: 0 0 32px;
}
.search-shot {
  margin-top: 32px;
}
.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.product-shot figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.product-shot figcaption strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}
.evidence-list {
  padding-left: 22px;
  line-height: 1.65;
  margin-block: 16px;
}
.evidence-list li + li {
  margin-top: 8px;
}
.service-example {
  color: var(--coral);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.evidence-intro .section-art {
  max-height: 260px;
}
.evidence-details {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.evidence-details summary {
  color: var(--coral);
  font-weight: 600;
  cursor: pointer;
  line-height: 1.5;
}
.evidence-details summary:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 6px;
}
.evidence-details[open] summary {
  margin-bottom: 18px;
}
.evidence table {
  width: 100%;
  border-collapse: collapse;
  min-width: 580px;
  line-height: 1.55;
}
.evidence caption {
  text-align: left;
  padding-bottom: 16px;
  color: var(--muted);
}
.evidence th,
.evidence td {
  padding: 14px 18px 14px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.evidence th {
  font-weight: 600;
}
.evidence tbody th {
  min-width: 150px;
}
.evidence-grid,
.architecture-flow {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}
.architecture-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  margin-bottom: 36px;
  gap: 12px;
}
.architecture-flow li {
  padding: 22px;
  background: var(--pale);
  border-radius: 10px;
  line-height: 1.5;
}
.architecture-flow strong,
.architecture-flow span {
  display: block;
}
.architecture-flow span {
  margin-top: 12px;
  color: var(--muted);
}
.evidence-note {
  padding: 22px;
  border-left: 3px solid var(--coral);
  background: var(--pale);
  margin-block: 24px;
}
.target-note {
  max-width: 850px;
}
.evidence pre {
  overflow-x: auto;
  background: var(--ink);
  color: var(--paper);
  padding: 24px;
  border-radius: 10px;
  font-size: 16px;
  line-height: 1.6;
  margin-block: 24px;
}
.evidence code {
  font-family: ui-monospace, monospace;
  overflow-wrap: anywhere;
}
.hosting-options a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.pilot-steps {
  padding-left: 24px;
  line-height: 1.65;
  max-width: 850px;
  margin-block: 24px;
}
.pilot-steps li + li {
  margin-top: 14px;
}
.evidence-pilot .button {
  margin-bottom: 20px;
}
@media (max-width: 700px) {
  .evidence-grid,
  .architecture-flow {
    grid-template-columns: 1fr;
  }
  .evidence-intro {
    padding-top: 40px;
  }
  .evidence-section {
    padding-block: 36px;
  }
  .evidence-nav a {
    display: inline;
  }
  .footer > div {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}