/* OptOutManager site styles.
   Hand-written, no framework. Fonts are served from /assets/fonts. */

/* ---------- Fonts ---------- */

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("../fonts/source-serif-4-latin-opsz-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
}

/* ---------- Tokens ---------- */

:root {
  --paper: #f6f5f1;
  --paper-2: #edece5;
  --white: #ffffff;
  --ink: #131614;
  --ink-2: #434a45;
  --ink-3: #686e69;
  --rule: #d9d7cd;
  --rule-strong: #b5b3a7;

  --pine: #15503e;
  --pine-deep: #0c3528;
  --pine-tint: #e2ebe5;
  --mint: #a3d6bc;
  --sand: #e3c98f;
  --alert: #9f3520;
  --alert-tint: #f6e7e2;

  --night: #0f1613;
  --night-2: #161f1b;
  --night-rule: #2a352f;
  --on-night: #eceae2;
  --on-night-2: #a7b0a9;

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(4.5rem, 9vw, 7.5rem);
  --radius: 4px;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

ul,
ol {
  padding: 0;
  list-style: none;
}

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

a {
  color: inherit;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 480;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 1.55rem + 4.1vw, 4.375rem);
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.85rem, 1.35rem + 2.1vw, 2.75rem);
  line-height: 1.12;
}

h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

p {
  text-wrap: pretty;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
}

:where(p, li, dd, td, summary) > code {
  padding: 0.1em 0.35em;
  border-radius: 3px;
  background: var(--paper-2);
}

::selection {
  background: var(--pine);
  color: var(--paper);
}

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

.wrap {
  width: min(100% - 2 * var(--gutter), 75rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 20;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
}
.skip-link:focus {
  top: 0.75rem;
}

/* ---------- Small pieces ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow span {
  margin-right: 0.85em;
  color: var(--pine);
}

.nw {
  white-space: nowrap;
}

.lead {
  max-width: 35em;
  font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  line-height: 1.5;
  color: var(--ink-2);
}

.arrow {
  flex: none;
  transition: transform 0.15s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--pine);
  border-radius: var(--radius);
  background: var(--pine);
  color: #fff;
  font: 500 1rem/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover {
  border-color: var(--pine-deep);
  background: var(--pine-deep);
}
.btn--small {
  padding: 0.6rem 1rem;
  font-size: 0.9375rem;
}
.btn--light {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--pine-deep);
}
.btn--light:hover {
  border-color: #fff;
  background: #fff;
}
.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
.link-arrow:hover {
  color: var(--pine);
  text-decoration-color: currentColor;
}
.link-arrow:hover .arrow {
  transform: translateX(3px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
}

.prose > * + * {
  margin-top: 1.1em;
}
.prose p,
.prose li {
  max-width: 40em;
  color: var(--ink-2);
}
.prose a,
.faq a,
.note a,
.aside a,
.form__hint a {
  color: var(--pine);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
.prose a:hover,
.faq a:hover,
.note a:hover {
  color: var(--pine-deep);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--pine);
  text-decoration: none;
}
.brand__name {
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.brand__name span {
  font-weight: 400;
}

.site-nav {
  margin-left: auto;
}
.site-nav ul {
  display: flex;
  gap: 2rem;
}
.site-nav a {
  position: relative;
  display: block;
  padding: 0.4rem 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.05rem;
  height: 2px;
  background: var(--pine);
}

@media (max-width: 43.99rem) {
  .site-header__inner {
    flex-wrap: wrap;
    gap: 0 1rem;
    padding-top: 0.75rem;
  }
  .site-header__cta {
    margin-left: auto;
  }
  .site-nav {
    order: 3;
    width: 100%;
    margin: 0.75rem calc(-1 * var(--gutter)) 0;
    padding-inline: var(--gutter);
    width: calc(100% + 2 * var(--gutter));
    border-top: 1px solid var(--rule);
  }
  .site-nav ul {
    gap: 1.5rem;
  }
  .site-nav a {
    padding: 0.7rem 0;
  }
  .site-nav a[aria-current="page"]::after {
    bottom: -1px;
  }
  .brand__name {
    font-size: 1.0625rem;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(3rem, 7vw, 6rem) clamp(3.5rem, 7vw, 6rem);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}
.hero__copy > * + * {
  margin-top: 1.5rem;
}
.hero__copy .actions {
  margin-top: 2.25rem;
}
@media (min-width: 62rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }
}

/* Deployment diagram */

.topo {
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--white);
  font-size: 0.875rem;
  line-height: 1.35;
}
.topo__label,
.topo__zone-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.topo__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
}
.topo__chips li {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink-2);
  font-size: 0.8125rem;
}
.topo__flow {
  position: relative;
  width: 1px;
  height: 1.75rem;
  margin: 0.5rem auto;
  background: var(--ink);
}
.topo__flow::after {
  content: "";
  position: absolute;
  left: -4px;
  bottom: -1px;
  border: 4.5px solid transparent;
  border-top: 6px solid var(--ink);
  border-bottom: 0;
}
.topo__zone {
  position: relative;
  padding: 1.6rem 1rem 1rem;
  border: 1.5px dashed var(--pine);
  border-radius: 6px;
  background: var(--pine-tint);
}
.topo__zone-label {
  position: absolute;
  top: -0.6rem;
  left: 0.75rem;
  padding: 0.1rem 0.5rem;
  background: var(--pine);
  color: #fff;
  border-radius: 2px;
}
.topo__node {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--white);
}
.topo__node strong {
  font-weight: 600;
}
.topo__node span {
  color: var(--ink-3);
  font-size: 0.8125rem;
}
.topo__node--app {
  background: var(--ink);
  color: var(--paper);
}
.topo__node--app span {
  color: var(--on-night-2);
}
.topo__split {
  position: relative;
  height: 1.5rem;
}
.topo__split::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 50%;
  background: var(--ink);
}
.topo__split::after {
  content: "";
  position: absolute;
  inset: 50% 25% 0;
  border: 1px solid var(--ink);
  border-bottom: 0;
}
.topo__stores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.topo figcaption {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 0.8125rem;
  line-height: 1.45;
}

/* ---------- Facts strip ---------- */

.facts {
  border-block: 1px solid var(--rule);
}
.facts__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.facts__grid > div {
  padding: 1.4rem 1.25rem 1.5rem 0;
}
.facts__grid > div:nth-child(even) {
  padding-left: 1.25rem;
  border-left: 1px solid var(--rule);
}
.facts__grid > div:nth-child(n + 3) {
  border-top: 1px solid var(--rule);
}
.facts dt {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pine);
}
.facts dd {
  margin-top: 0.45rem;
  max-width: 17em;
  font-size: 1rem;
  line-height: 1.4;
}
@media (min-width: 56rem) {
  .facts__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .facts__grid > div,
  .facts__grid > div:nth-child(even),
  .facts__grid > div:nth-child(n + 3) {
    padding: 1.75rem 1.75rem 1.85rem;
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
  .facts__grid > div:nth-child(n):first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--section);
}
.section--ruled {
  border-top: 1px solid var(--rule);
}
.section--tight {
  padding-top: 0;
}
.section-head {
  max-width: 46rem;
}
.section-head > * + * {
  margin-top: 1.1rem;
}
.section-head > .lead {
  margin-top: 1.4rem;
}
.section-foot {
  margin-top: 2.5rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}
.split__head > * + * {
  margin-top: 1.1rem;
}
.split__head > p:not(.eyebrow) {
  max-width: 30em;
  color: var(--ink-2);
}
.split__head > p + p {
  margin-top: 1.25rem;
}
@media (min-width: 62rem) {
  .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(3rem, 8vw, 7.5rem);
    align-items: start;
  }
  .split--sticky .split__head {
    position: sticky;
    top: 6.5rem;
  }
  .split__body.prose {
    padding-top: 2.1rem;
  }
}

/* Three principles */

.principles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  margin-top: clamp(3rem, 6vw, 5rem);
}
.principles article {
  padding-top: 1.25rem;
  border-top: 1px solid var(--ink);
}
.principles p {
  margin-top: 0.7rem;
  color: var(--ink-2);
}
@media (min-width: 48rem) {
  .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.75rem, 4vw, 3.5rem);
  }
}

/* Numbered steps */

.steps {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  counter-reset: step;
  border-bottom: 1px solid var(--rule);
}
.steps > li {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 0.5rem 0;
  padding-block: 1.6rem;
  border-top: 1px solid var(--rule);
  counter-increment: step;
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  grid-row: 1 / span 3;
  padding-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--pine);
}
.steps > li > * {
  grid-column: 2;
}
.steps p {
  max-width: 38em;
  color: var(--ink-2);
}
.steps .steps__meta {
  text-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--ink-3);
}
@media (min-width: 62rem) {
  .steps > li {
    grid-template-columns: 4.5rem 13rem minmax(0, 1fr) 17rem;
    gap: 0 2.5rem;
    align-items: baseline;
    padding-block: 1.85rem;
  }
  .steps > li::before {
    grid-row: auto;
    padding-top: 0;
  }
  .steps > li > * {
    grid-column: auto;
  }
  .steps .steps__meta {
    padding-top: 0.2rem;
  }
}

/* ---------- Dark API section ---------- */

.section--night {
  background: var(--night);
  color: var(--on-night);
}
.section--night .eyebrow {
  color: var(--on-night-2);
}
.section--night .eyebrow span {
  color: var(--mint);
}
.section--night :focus-visible {
  outline-color: var(--mint);
}
.section--night :where(p, li) > code {
  background: var(--night-rule);
}

.api {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.75rem;
}
.api__copy > * + * {
  margin-top: 1.25rem;
}
.api__copy > p:not(.eyebrow) {
  max-width: 32em;
  color: var(--on-night-2);
}
@media (min-width: 62rem) {
  .api {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(3rem, 7vw, 6rem);
    align-items: center;
  }
}

.ticks {
  margin-top: 1.75rem;
  border-top: 1px solid var(--night-rule);
}
.ticks li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.75rem;
  border-bottom: 1px solid var(--night-rule);
  font-size: 0.9688rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 1.2rem;
  width: 0.7rem;
  height: 0.38rem;
  border: solid var(--mint);
  border-width: 0 0 1.5px 1.5px;
  transform: rotate(-45deg);
}

.code {
  border: 1px solid var(--night-rule);
  border-radius: 6px;
  background: var(--night-2);
  color: var(--on-night);
  overflow: hidden;
}
.code + .code {
  margin-top: 0.9rem;
}
.code__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.4rem;
  padding: 0 0.5rem 0 1.1rem;
  border-bottom: 1px solid var(--night-rule);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-night-2);
}
.code__status {
  padding-right: 0.6rem;
  color: var(--mint);
}
.code__copy {
  padding: 0.3rem 0.6rem;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--on-night-2);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}
.code__copy:hover {
  background: var(--night-rule);
  color: var(--on-night);
}
.code__copy:focus-visible {
  outline-color: var(--mint);
}
.code pre {
  padding: 1.1rem 1.15rem 1.25rem;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.7;
  tab-size: 2;
}
.code pre code {
  font-size: inherit;
}
.tok-k {
  color: var(--mint);
}
.tok-s {
  color: var(--sand);
}
.tok-m,
.tok-c {
  color: var(--on-night-2);
}

/* ---------- Comparison table ---------- */

.table-wrap {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
}
.compare {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.compare thead th {
  padding: 1rem 1.5rem 0.9rem;
  border-top: 2px solid transparent;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.compare thead th.compare__us {
  border-top-color: var(--pine);
  color: var(--pine);
}
.compare tbody th,
.compare tbody td {
  padding: 1.15rem 1.5rem;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}
.compare tbody th {
  width: 25%;
  padding-left: 0;
  font-weight: 500;
}
.compare tbody td {
  width: 37.5%;
  color: var(--ink-2);
}
.compare .compare__us {
  background: var(--pine-tint);
}
.compare tbody td.compare__us {
  color: var(--ink);
  font-weight: 500;
  border-top-color: #c9d6cd;
}
.compare tbody tr:last-child > * {
  border-bottom: 1px solid var(--rule);
}
.compare tbody tr:last-child > .compare__us {
  border-bottom-color: #c9d6cd;
}

@media (max-width: 47.99rem) {
  .compare,
  .compare tbody,
  .compare tr,
  .compare th,
  .compare td {
    display: block;
    width: auto;
  }
  .compare thead {
    display: none;
  }
  .compare tbody tr {
    padding-block: 1.25rem;
    border-top: 1px solid var(--rule);
  }
  .compare tbody th,
  .compare tbody td,
  .compare tbody tr:last-child > * {
    width: auto;
    border: 0;
  }
  .compare tbody th {
    margin-bottom: 0.75rem;
    padding: 0;
    font-family: var(--serif);
    font-size: 1.25rem;
  }
  .compare tbody td {
    padding: 0.65rem 0.85rem;
  }
  .compare tbody tr:last-child {
    border-bottom: 1px solid var(--rule);
  }
  .compare tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.15rem;
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
  }
  .compare tbody td.compare__us::before {
    color: var(--pine);
  }
  .compare tbody td.compare__us {
    border-radius: 3px;
  }
}

/* ---------- Spec list ---------- */

.spec {
  border-bottom: 1px solid var(--rule);
}
.spec > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
  padding-block: 1rem;
  border-top: 1px solid var(--rule);
}
.spec dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}
@media (min-width: 36rem) {
  .spec > div {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

/* ---------- FAQ ---------- */

.faq {
  border-bottom: 1px solid var(--rule);
}
.faq details {
  border-top: 1px solid var(--rule);
}
.faq summary {
  position: relative;
  padding: 1.15rem 2.5rem 1.15rem 0;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.35;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 0.25rem;
  top: 1.85rem;
  width: 0.85rem;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.2s ease;
}
.faq summary::after {
  transform: rotate(90deg);
}
.faq details[open] summary::after {
  transform: rotate(0deg);
}
.faq summary:hover {
  color: var(--pine);
}
.faq details > p {
  max-width: 38em;
  padding: 0 2.5rem 1.4rem 0;
  color: var(--ink-2);
}
.faq details > p + p {
  margin-top: -0.6rem;
}

/* ---------- Call to action ---------- */

.cta {
  background: var(--pine);
  color: var(--paper);
}
.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}
.cta p {
  max-width: 34em;
  margin-top: 1rem;
  color: #cfe0d6;
}
.cta :focus-visible {
  outline-color: var(--paper);
}
@media (min-width: 52rem) {
  .cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 4rem;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.9375rem;
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}
.site-footer__about p {
  max-width: 22em;
  margin-top: 1rem;
  color: var(--ink-2);
}
.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 10rem));
  gap: 2rem;
}
.site-footer__nav h2 {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.site-footer__nav ul {
  margin-top: 0.75rem;
}
.site-footer__nav a {
  display: inline-block;
  padding: 0.25rem 0;
  color: var(--ink);
  text-decoration: none;
}
.site-footer__nav a:hover {
  color: var(--pine);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 0.8125rem;
}
@media (min-width: 48rem) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4rem;
  }
}

/* ---------- Inner page head ---------- */

.page-head {
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem);
}
.page-head h1 {
  max-width: 17em;
  font-size: clamp(2.3rem, 1.6rem + 3vw, 3.75rem);
  line-height: 1.06;
}
.page-head > .wrap > * + * {
  margin-top: 1.4rem;
}
.page-head .lead {
  max-width: 38em;
}

/* ---------- Product page ---------- */

.feature-list {
  border-bottom: 1px solid var(--rule);
}
.feature-list > div {
  padding-block: 1.35rem 1.45rem;
  border-top: 1px solid var(--rule);
}
.feature-list dt {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}
.feature-list dd {
  max-width: 38em;
  margin-top: 0.35rem;
  color: var(--ink-2);
}

.sample {
  margin-top: 2rem;
}
.sample .code pre {
  overflow: hidden;
  font-size: 0.78rem;
}
.sample .line {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sample__caption {
  margin-top: 0.75rem;
  color: var(--ink-3);
  font-size: 0.875rem;
}

.connectors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.connectors li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.2rem 1.25rem 1.3rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--white);
}
.connectors strong {
  font-weight: 600;
}
.connectors span {
  color: var(--ink-3);
  font-size: 0.875rem;
  line-height: 1.45;
}
@media (min-width: 40rem) {
  .connectors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 62rem) {
  .connectors {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- Self-hosting page ---------- */

.arch {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
  padding: clamp(1.1rem, 3vw, 2.25rem);
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--white);
  font-size: 0.9063rem;
  line-height: 1.4;
}
.arch__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}
.arch__side h3,
.arch__zone > h3 {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.arch__side ul {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.arch__side li {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper);
}
.arch__side li span,
.arch__box span {
  display: block;
  margin-top: 0.1rem;
  color: var(--ink-3);
  font-size: 0.8125rem;
}
.arch__zone {
  position: relative;
  padding: 1.9rem 1.1rem 1.1rem;
  border: 1.5px dashed var(--pine);
  border-radius: 6px;
  background: var(--pine-tint);
}
.arch__zone > h3 {
  position: absolute;
  top: -0.6rem;
  left: 0.9rem;
  padding: 0.1rem 0.5rem;
  border-radius: 2px;
  background: var(--pine);
  color: #fff;
}
.arch__boxes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
}
.arch__box {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--white);
}
.arch__box strong,
.arch__side strong {
  font-weight: 600;
}
.arch__box--app {
  background: var(--ink);
  color: var(--paper);
}
.arch__box--app span {
  color: var(--on-night-2);
}
.arch__box--optional {
  border-style: dashed;
  border-color: var(--rule-strong);
  background: transparent;
}
.arch figcaption {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 0.875rem;
}
@media (min-width: 36rem) {
  .arch__boxes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .arch__box--app {
    grid-column: 1 / -1;
  }
}
@media (min-width: 62rem) {
  .arch__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.1fr) minmax(0, 1fr);
    gap: 0;
    align-items: center;
  }
  .arch__side {
    position: relative;
  }
  .arch__side--in {
    padding-right: 3.25rem;
  }
  .arch__side--out {
    padding-left: 3.25rem;
  }
  /* connector between the outside world and the boundary */
  .arch__side::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 2.25rem;
    height: 1px;
    background: var(--ink);
  }
  .arch__side::before {
    content: "";
    position: absolute;
    top: calc(50% - 4px);
    border: 4.5px solid transparent;
    border-left: 6px solid var(--ink);
    border-right: 0;
  }
  .arch__side--in::after {
    right: 0.6rem;
  }
  .arch__side--in::before {
    right: 0.5rem;
  }
  .arch__side--out::after {
    left: 0.5rem;
  }
  .arch__side--out::before {
    left: 2.6rem;
  }
}

.req {
  width: 100%;
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
  border-collapse: collapse;
  text-align: left;
}
.req th,
.req td {
  padding: 1.05rem 1.5rem 1.05rem 0;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}
.req thead th {
  padding-block: 0 0.8rem;
  border-top: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.req tbody th {
  width: 22%;
  font-weight: 600;
}
.req tbody td:nth-child(2) {
  width: 33%;
}
.req tbody td:last-child {
  padding-right: 0;
  color: var(--ink-2);
}
.req tbody tr:last-child > * {
  border-bottom: 1px solid var(--rule);
}
.req__tag {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.6563rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  vertical-align: 0.1em;
}
@media (max-width: 47.99rem) {
  .req,
  .req tbody,
  .req tr,
  .req th,
  .req td {
    display: block;
    width: auto;
  }
  .req thead {
    display: none;
  }
  .req tbody tr {
    padding-block: 1.1rem;
    border-top: 1px solid var(--rule);
  }
  .req tbody tr:last-child {
    border-bottom: 1px solid var(--rule);
  }
  .req tbody th,
  .req tbody td,
  .req tbody td:nth-child(2),
  .req tbody tr:last-child > * {
    width: auto;
    padding: 0;
    border: 0;
  }
  .req tbody td {
    margin-top: 0.3rem;
  }
}

.install {
  counter-reset: install;
}
.install > li {
  position: relative;
  padding: 1.6rem 0 1.75rem 3.25rem;
  border-top: 1px solid var(--rule);
  counter-increment: install;
}
.install > li:last-child {
  border-bottom: 1px solid var(--rule);
}
.install > li::before {
  content: counter(install);
  position: absolute;
  left: 0;
  top: 1.55rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 500;
}
.install h3 {
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.75;
}
.install p {
  max-width: 36em;
  margin-top: 0.3rem;
  color: var(--ink-2);
}
.install .code {
  margin-top: 1rem;
}
@media (max-width: 35.99rem) {
  .install > li {
    padding-left: 0;
    padding-top: 4.1rem;
  }
}

.note {
  margin-top: 1.5rem;
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--pine);
  background: var(--pine-tint);
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.statement {
  border-block: 1px solid var(--rule);
  background: var(--paper-2);
}
.statement__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.statement h2 {
  max-width: 16em;
}
.statement p {
  max-width: 36em;
  color: var(--ink-2);
}
@media (min-width: 62rem) {
  .statement__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(3rem, 8vw, 7.5rem);
    align-items: start;
  }
  .statement__inner > div {
    padding-top: 0.5rem;
  }
}
.statement p + p {
  margin-top: 1em;
}

/* ---------- Pricing page ---------- */

.license {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--white);
  overflow: hidden;
}
.license__main {
  padding: clamp(1.5rem, 4vw, 2.75rem);
}
.license__main > * + * {
  margin-top: 1.1rem;
}
.license__price {
  font-family: var(--serif);
  font-size: clamp(2rem, 1.5rem + 2.2vw, 3rem);
  font-weight: 480;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.license__main p:not(.eyebrow):not(.license__price) {
  max-width: 30em;
  color: var(--ink-2);
}
.license__main .btn {
  margin-top: 1.75rem;
}
.license__side {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-top: 1px solid var(--ink);
  background: var(--paper);
}
.license__side h2 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-wrap: wrap;
  color: var(--ink-3);
}
.license__side h2 + ul {
  margin-top: 0.9rem;
}
.license__side ul + h2 {
  margin-top: 2rem;
}
@media (min-width: 56rem) {
  .license {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .license__side {
    border-top: 0;
    border-left: 1px solid var(--ink);
  }
}

.checks li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.75rem;
  border-top: 1px solid var(--rule);
  line-height: 1.45;
}
.checks li:last-child {
  border-bottom: 1px solid var(--rule);
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.95rem;
  width: 0.7rem;
  height: 0.38rem;
  border: solid var(--pine);
  border-width: 0 0 1.5px 1.5px;
  transform: rotate(-45deg);
}
.checks--plain li::before {
  top: 1.15rem;
  width: 0.5rem;
  height: 0;
  border-width: 0 0 1.5px;
  border-color: var(--ink-3);
  transform: none;
}

/* ---------- Contact page ---------- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3rem;
}
@media (min-width: 62rem) {
  .contact {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(3rem, 8vw, 7rem);
    align-items: start;
  }
}

.form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.35rem;
}
.form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.35rem;
}
@media (min-width: 36rem) {
  .form__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.field label,
.field legend {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9375rem;
  font-weight: 500;
}
.field label span {
  color: var(--ink-3);
  font-weight: 400;
}
.field input,
.field select,
.field textarea {
  display: block;
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  line-height: 1.4;
  transition: border-color 0.15s ease;
}
.field select {
  padding-right: 2.5rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23131614' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 0.7rem;
}
.field textarea {
  min-height: 9rem;
  resize: vertical;
}
.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--ink-3);
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--pine);
  outline: 2px solid var(--pine);
  outline-offset: 0;
}
.field--error input,
.field--error select,
.field--error textarea {
  border-color: var(--alert);
}
.field__error {
  margin-top: 0.35rem;
  color: var(--alert);
  font-size: 0.875rem;
}
.field--trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 0.4rem;
}
.form__hint {
  max-width: 26em;
  color: var(--ink-3);
  font-size: 0.875rem;
  line-height: 1.45;
}

.notice {
  padding: 1.1rem 1.25rem;
  border-left: 2px solid var(--pine);
  background: var(--pine-tint);
}
.notice h2 {
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0;
}
.notice p {
  margin-top: 0.3rem;
  color: var(--ink-2);
}
.notice--error {
  border-left-color: var(--alert);
  background: var(--alert-tint);
}

.aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}
.aside section {
  padding-top: 1.1rem;
  border-top: 1px solid var(--ink);
}
.aside h2 {
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0;
}
.aside p,
.aside li {
  margin-top: 0.5rem;
  color: var(--ink-2);
  font-size: 0.9688rem;
}
.aside ol {
  counter-reset: aside;
}
.aside ol li {
  position: relative;
  padding-left: 1.75rem;
  counter-increment: aside;
}
.aside ol li::before {
  content: counter(aside);
  position: absolute;
  left: 0;
  top: 0.2em;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--pine);
}

/* ---------- Legal and 404 ---------- */

.legal {
  max-width: 44rem;
}
.legal h2 {
  margin-top: 2.75rem;
  font-size: 1.625rem;
}
.legal h2 + p,
.legal h2 + ul {
  margin-top: 0.9rem;
}
.legal ul {
  padding-left: 1.2rem;
  list-style: disc;
}
.legal li + li {
  margin-top: 0.4rem;
}
.legal__meta {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.lost {
  padding-block: clamp(5rem, 14vw, 10rem);
}
.lost > .wrap > * + * {
  margin-top: 1.4rem;
}
.lost .actions {
  margin-top: 2.25rem;
}

/* ---------- Motion and print ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer__nav,
  .cta,
  .skip-link {
    display: none;
  }
  body {
    background: #fff;
  }
}