/* Limitless Limo blog: light reading pages framed by the site's dark bands. */
:root {
  --night: #07090c;
  --night-2: #12161b;
  --paper: #f3f4f2;
  --paper-2: #e6e9e6;
  --ink: #0b0d10;
  --body: #22272d;
  --mute: #545b62;
  --line: #d3d8d4;
  --snow: #f2f4f3;
  --mute-dark: #a2a9af;
  --signal: #c8382b;
  --display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --text: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--body); font: 400 18px/1.65 var(--text); }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--signal); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--snow); color: var(--ink); padding: 12px 16px; border-radius: 8px; }
.skip:focus { left: 16px; }
.eyebrow { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; color: var(--mute); margin: 0 0 8px; }
h1, h2, h3 { font-family: var(--display); color: var(--ink); letter-spacing: -.02em; text-wrap: balance; }
h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.02; font-weight: 750; margin: 0 0 18px; }
h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.12; font-weight: 700; margin: 56px 0 14px; scroll-margin-top: 90px; }
h3 { font-size: 21px; line-height: 1.25; font-weight: 650; margin: 30px 0 8px; scroll-margin-top: 90px; }
p { margin: 0 0 18px; }
ul, ol { margin: 0 0 20px; padding-left: 24px; }
li { margin-bottom: 8px; }
strong { color: var(--ink); }

/* header */
.site-head { background: var(--night); color: var(--snow); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.site-head a { color: var(--snow); text-decoration: none; }
.brand { font-family: var(--display); font-weight: 800; font-stretch: 112%; letter-spacing: -.02em; font-size: 20px; margin: 0; }
.site-head ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; font-size: 15px; font-weight: 500; }
.site-head li { margin: 0; }
.site-head ul a { display: inline-block; padding: 12px 2px; opacity: .88; }
.site-head ul a:hover { opacity: 1; color: var(--snow); }
@media (max-width: 760px) { .site-head nav { display: none; } }
.btn { font: 600 15px/1 var(--text); padding: 15px 24px; border-radius: 999px; text-decoration: none; display: inline-block; min-height: 48px; border: 1px solid transparent; }
.btn-light { background: var(--snow); color: var(--ink) !important; }
.btn-dark { background: var(--ink); color: var(--snow) !important; }
.btn-dark:hover { background: #1d2329; }

/* article */
.crumbs { padding-top: 28px; font-size: 15px; color: var(--mute); }
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li { margin: 0; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.crumbs a { color: var(--mute); }
.article { max-width: 820px; margin-inline: auto; padding-bottom: 72px; }
.article-head { padding: 26px 0 8px; }
.lede { font-size: 21px; line-height: 1.55; color: var(--ink); }
.byline { font-size: 15px; color: var(--mute); display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 26px; }
.byline a { color: var(--mute); }
figure { margin: 30px 0; }
figure img { border-radius: 14px; background: var(--night-2); }
figcaption { font-size: 14px; color: var(--mute); margin-top: 8px; }
.toc { background: var(--paper-2); border-radius: 14px; padding: 20px 24px 6px; margin: 30px 0; }
.toc ol { margin: 0 0 14px; columns: 2; column-gap: 32px; font-size: 16px; }
.toc li { break-inside: avoid; }
@media (max-width: 640px) { .toc ol { columns: 1; } }
.answer { font-size: 19px; color: var(--ink); border-left: 3px solid var(--signal); padding-left: 16px; }
.table-wrap { overflow-x: auto; margin: 22px 0 10px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: 16px; line-height: 1.45; min-width: 560px; }
caption { text-align: left; font-size: 14px; color: var(--mute); padding: 12px 14px 0; caption-side: top; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--ink); background: var(--paper-2); }
tr:last-child td { border-bottom: 0; }
.note { font-size: 15px; color: var(--mute); }
.cta { background: var(--night); color: var(--snow); border-radius: 18px; padding: 30px 28px 18px; margin: 48px 0; }
.cta-title { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; color: var(--snow); margin: 0 0 10px; font-size: 28px; }
.cta p { color: #d7dcdf; }
.cta .btn-dark { background: var(--snow); color: var(--ink) !important; }
.cta-contact { font-size: 15px; }
.author { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 0 8px; margin: 40px 0; font-size: 16px; }
.author-name { font-family: var(--display); font-size: 21px; font-weight: 650; color: var(--ink); margin-bottom: 8px; }
.related-title { font-family: var(--display); font-size: 24px; font-weight: 700; color: var(--ink); margin: 40px 0 8px; }
.related ul { list-style: none; padding: 0; }
.related li { border-top: 1px solid var(--line); padding: 14px 0; margin: 0; }

/* blog hub */
.hub-head { max-width: 820px; padding: 26px 0 10px; }
.cluster { margin: 48px 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.card img { border-radius: 0; aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.card-body { padding: 18px 20px 20px; }
.card h3 { margin: 6px 0 8px; font-size: 22px; }
.card h3 a { text-decoration: none; }
.card p { font-size: 16px; margin-bottom: 10px; }
.meta { font-size: 14px; color: var(--mute); }
.soon { font-size: 16px; color: var(--mute); }
.author-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; max-width: 820px; scroll-margin-top: 90px; }

/* footer */
.site-foot { background: var(--night); color: #c7cdd2; padding: 48px 0 calc(28px + env(safe-area-inset-bottom, 0px)); font-size: 16px; }
.site-foot a { color: var(--snow); }
.site-foot .brand { color: var(--snow); margin-bottom: 10px; }
.site-foot .eyebrow { color: var(--mute-dark); }
.site-foot ul { list-style: none; padding: 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-base { border-top: 1px solid #222a31; margin-top: 24px; padding-top: 18px; font-size: 14px; }
.to-top { position: fixed; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--snow); text-decoration: none; font-size: 20px; box-shadow: 0 2px 8px rgba(0,0,0,.2); z-index: 40; }
.to-top:hover { color: var(--snow); background: #1d2329; }
.sel { user-select: all; }

/* ===== Blog layout: two columns (content + right sidebar) ===== */
.blog-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
@media (min-width: 1000px) {
  .blog-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
}
.blog-grid .article { max-width: 760px; margin-inline: 0; }
.blog-main .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 640px) { .blog-main .cards { grid-template-columns: 1fr; } }

/* sidebar */
.blog-side { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding-bottom: 56px; }
@media (min-width: 1000px) { .blog-side { padding-top: 26px; } }
@media (min-width: 1000px) and (min-height: 820px) { .blog-side { position: sticky; top: 92px; padding-top: 26px; } }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; font-size: 15px; line-height: 1.5; }
.side-card h2 { font-size: 22px; margin: 0 0 6px; scroll-margin-top: 90px; }
.side-card p { margin: 0 0 12px; }
.fs-form label { display: block; font-weight: 600; color: var(--ink); margin: 6px 0 6px; }
.fs-row { display: flex; gap: 8px; }
.fs-row input { flex: 1; min-width: 0; min-height: 48px; font: 500 16px/1 var(--text); color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 0 12px; text-transform: uppercase; }
.fs-row input::placeholder { text-transform: none; color: var(--mute); }
.fs-row .btn { padding: 15px 16px; cursor: pointer; }
.fs-msg { min-height: 20px; font-size: 14px; color: var(--mute); margin: 8px 0 4px; }
.fs-msg.err { color: var(--signal); }
.airports { list-style: none; padding: 0; margin: 4px 0 8px; }
.airports li { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; border-top: 1px solid var(--line); padding: 10px 0; margin: 0; }
.airports .code { font: 600 13px/1 var(--text); letter-spacing: .1em; color: var(--mute); }
.side-note { font-size: 13px; color: var(--mute); margin: 4px 0 0 !important; }
.side-cta { background: var(--night); border-color: var(--night); color: #d7dcdf; }
.side-cta h2 { color: var(--snow); }
.side-cta a:not(.btn) { color: var(--snow); }
.side-cta .btn { background: var(--snow); color: var(--ink) !important; width: 100%; text-align: center; margin: 4px 0 12px; }