/* Sonder's guides (/learn/): the landing's tokens, type and bar, set for reading. Night for the head and the way on,
   paper for the article. Static: nothing here needs script. */
:root {
  --step--1: clamp(0.8333rem, 0.8294rem + 0.0162vw, 0.844rem);
  --step-0: clamp(1rem, 0.9536rem + 0.1905vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.0887rem + 0.4566vw, 1.4996rem);
  --step-2: clamp(1.44rem, 1.2324rem + 0.8518vw, 1.999rem);
  --step-3: clamp(1.728rem, 1.3801rem + 1.4273vw, 2.6647rem);
  --step-4: clamp(2.0736rem, 1.5245rem + 2.2528vw, 3.552rem);
  --step-5: clamp(2.2rem, 1.5rem + 3vw, 4.4rem);
  --space-2xs: clamp(0.5rem, 0.4768rem + 0.0952vw, 0.5625rem);
  --space-xs: clamp(0.75rem, 0.7152rem + 0.1429vw, 0.8438rem);
  --space-s: clamp(1rem, 0.9536rem + 0.1905vw, 1.125rem);
  --space-m: clamp(1.5rem, 1.4304rem + 0.2857vw, 1.6875rem);
  --space-l: clamp(2rem, 1.9071rem + 0.381vw, 2.25rem);
  --space-xl: clamp(3rem, 2.8607rem + 0.5714vw, 3.375rem);
  --space-2xl: clamp(4rem, 3.8143rem + 0.7619vw, 4.5rem);
  --space-3xl: clamp(6rem, 5.7214rem + 1.1429vw, 6.75rem);
  --gutter: clamp(1rem, 0.0429rem + 4.9524vw, 4.5rem);
  --radius-sm: 10px; --radius-md: 16px;
  --serif: "Hedvig Letters Serif", Georgia, serif;
  --sans: "Hedvig Letters Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --max: 1320px; --measure: 68ch;
}
:root, [data-ground="night"] { --bg: #050505; --fg: #F1F1F1; --fg-2: #A3A3A3; --line: #242424; --line-2: #3a3a3a; --panel: #0c0c0c; }
[data-ground="paper"] { --bg: #EFEEEA; --fg: #0A0A0A; --fg-2: #56554F; --line: #CAC9C6; --line-2: #b3b2ae; --panel: #E5E4DF; }
[data-ground] { background-color: var(--bg); color: var(--fg); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; background: #050505; color: var(--fg); }
body { font: 400 var(--step-0)/1.6 var(--sans); font-synthesis: none; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; border-radius: 4px; }
.skip { position: fixed; z-index: 30; left: 12px; top: -60px; padding: 10px 14px; border-radius: 8px; background: #F1F1F1; color: #050505; text-decoration: none; }
.skip:focus { top: 12px; }
.wrap { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
:not(pre) > code { padding: 1px 5px; border-radius: 5px; background: color-mix(in srgb, var(--fg) 8%, transparent); overflow-wrap: anywhere; }

/* The bar: the landing's, always on its band (no script watches the scroll here). */
.bar { position: sticky; top: 0; z-index: 20; height: 64px; display: flex; align-items: center; gap: 26px; padding: 0 var(--gutter); background: rgba(5,5,5,.92); border-bottom: 1px solid rgba(255,255,255,.08); color: #F1F1F1; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.wordmark { margin-right: auto; font: 400 21px/1 var(--serif); letter-spacing: -0.01em; text-decoration: none; }
.bar nav { display: flex; gap: 24px; font-size: 15px; }
.bar nav a { text-decoration: none; opacity: .86; transition: opacity 200ms ease; }
.bar nav a:hover, .bar nav a[aria-current] { opacity: 1; }
.bar .to-app { padding: 9px 14px; border-radius: 999px; border: 1px solid currentColor; font-size: 14px; text-decoration: none; opacity: .9; white-space: nowrap; }
@media (max-width: 640px) { .bar nav { gap: 18px; font-size: 15px; } .bar .to-app { display: none; } }

/* The head of a guide: the question, then its answer. */
.head { padding: var(--space-2xl) 0 var(--space-xl); }
.crumbs { margin: 0 0 var(--space-m); font-size: 14px; color: var(--fg-2); }
.crumbs a { text-decoration: none; } .crumbs a:hover { color: var(--fg); }
.eyebrow { margin: 0 0 var(--space-s); font: 400 var(--step--1)/1.3 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-2); }
h1 { margin: 0; max-width: 22ch; font: 400 var(--step-5)/1.05 var(--serif); letter-spacing: -0.028em; text-wrap: balance; }
.answer { margin: var(--space-m) 0 0; max-width: 62ch; font-size: var(--step-1); line-height: 1.5; color: #D6D6D6; text-wrap: pretty; }
.meta { margin: var(--space-m) 0 0; font-size: 14px; color: var(--fg-2); }

/* The article, on paper. */
.article { padding: var(--space-2xl) 0 var(--space-3xl); }
.prose { max-width: var(--measure); }
.prose > * { margin: 0; }
.prose > * + * { margin-top: var(--space-s); }
.prose h2 { margin-top: var(--space-2xl); font: 400 var(--step-3)/1.1 var(--serif); letter-spacing: -0.02em; text-wrap: balance; scroll-margin-top: 84px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--space-l); font: 400 var(--step-1)/1.25 var(--serif); letter-spacing: -0.01em; }
.prose h2 + *, .prose h3 + * { margin-top: var(--space-xs); }
.prose p, .prose li { text-wrap: pretty; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li + li { margin-top: 0.45em; }
.prose a { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line-2); }
.prose a:hover { text-decoration-color: currentColor; }
.prose ol.steps { list-style: none; padding: 0; counter-reset: s; }
.prose ol.steps > li { counter-increment: s; position: relative; margin: 0; padding: var(--space-s) 0 var(--space-s) 3rem; border-top: 1px solid var(--line); }
.prose ol.steps > li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: calc(var(--space-s) + 0.35em); font: 400 13px/1 var(--mono); color: var(--fg-2); }
.prose ol.steps > li > b:first-child { display: block; font-weight: 400; font: 400 var(--step-1)/1.3 var(--serif); margin-bottom: 4px; }
.note { padding: var(--space-s) var(--space-m); border-left: 2px solid var(--fg); background: var(--panel); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
pre { padding: 14px 16px; border-radius: var(--radius-sm); background: #0c0c0c; color: #EDEDED; font: 400 14px/1.55 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
b, strong { font-weight: 400; }

/* Tables scroll inside themselves on a phone, never the page. */
.table { margin-top: var(--space-m); overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px; line-height: 1.45; }
th, td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
thead th { font-weight: 400; color: var(--fg-2); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; background: var(--panel); }
tbody tr:last-child > * { border-bottom: 0; }
tbody th { font-weight: 400; font-family: var(--serif); font-size: 16px; }

/* A before and after from Sonder's own fictional fixtures. */
.ba { margin-top: var(--space-l); display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: none; }
.ba img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--line); background: #ddd; }
.ba span { display: block; margin-top: 6px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-2); }
.ba figcaption { grid-column: 1 / -1; font-size: 14px; color: var(--fg-2); }
.ba div { margin: 0; }
@media (max-width: 560px) { .ba { grid-template-columns: 1fr; } }

/* Questions: closed, the answer is still in the page for search and for screen readers. */
.faq { margin-top: var(--space-m); border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: var(--space-s) 2.2rem var(--space-s) 0; position: relative; font: 400 var(--step-1)/1.3 var(--serif); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: var(--space-s); font: 400 22px/1 var(--sans); color: var(--fg-2); transition: transform 200ms var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 var(--space-s); color: var(--fg-2); }
.faq details > div p { margin: 0; }

.related { margin-top: var(--space-2xl); padding-top: var(--space-l); border-top: 1px solid var(--line); }
.related h2 { margin: 0 0 var(--space-s); font: 400 var(--step-2)/1.15 var(--serif); }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 10px; }
.related a { display: block; height: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; transition: border-color 200ms ease; }
.related a:hover { border-color: var(--fg); }
.related a span { display: block; font-size: 14px; color: var(--fg-2); }

/* The way on. */
.next { padding: var(--space-3xl) 0; }
.next h2 { margin: 0; max-width: 20ch; font: 400 var(--step-4)/1.06 var(--serif); letter-spacing: -0.025em; text-wrap: balance; }
.next p { margin: var(--space-s) 0 0; max-width: 56ch; color: var(--fg-2); font-size: var(--step-1); line-height: 1.45; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin-top: var(--space-l); }
.button { display: inline-flex; align-items: center; justify-content: center; height: 50px; padding: 0 24px; border-radius: 999px; background: var(--fg); color: var(--bg); font: 400 16px/1 var(--sans); text-decoration: none; transition: transform 120ms var(--ease-out), box-shadow 300ms ease; }
.button:hover { box-shadow: 0 0 0 6px color-mix(in srgb, var(--fg) 12%, transparent); }
.button:active { transform: scale(0.97); }
.text-link { padding: 12px 4px; font-size: 16px; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--line-2); }
.text-link:hover { text-decoration-color: currentColor; }
.plans { list-style: none; margin: var(--space-xl) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.plans li { padding: var(--space-s) var(--space-s) 0 0; }
.plans b { display: block; color: var(--fg-2); font-size: 14px; }
.plans span { display: block; font: 400 var(--step-2)/1.2 var(--serif); }
.plans small { display: block; color: var(--fg-2); font-size: 14px; }
@media (max-width: 700px) { .plans { grid-template-columns: 1fr 1fr; row-gap: var(--space-s); } }

/* The index. */
.guides { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.guides li { border-bottom: 1px solid var(--line); }
.guides a { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 6px 40px; padding: var(--space-m) 0; text-decoration: none; }
.guides h2 { margin: 0; font: 400 var(--step-2)/1.15 var(--serif); letter-spacing: -0.015em; }
.guides p { margin: 0; color: var(--fg-2); }
.guides a:hover h2 { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
@media (max-width: 760px) { .guides a { grid-template-columns: 1fr; } }

footer { padding: var(--space-xl) var(--gutter) var(--space-l); display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: baseline; color: var(--fg-2); font-size: 14px; border-top: 1px solid var(--line); }
footer .wordmark { color: var(--fg); font-size: 18px; }
footer a { text-decoration: none; } footer a:hover { color: var(--fg); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }