/* Flowcall website. One stylesheet, system fonts, no JavaScript, light and dark. */
:root {
  --bg: #ffffff; --soft: #f3f5f9; --card: #ffffff; --ink: #18202c; --muted: #535e6e; --line: #dde2ea;
  --accent: #2f5bea; --accent-ink: #ffffff; --accent-soft: #eaf0ff; --note: #fff8e6; --note-line: #f0d68a;
  --code: #f1f3f7; --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 16px rgba(20, 30, 50, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --soft: #181d26; --card: #1b212b; --ink: #e8ecf2; --muted: #a3adbb; --line: #2e3744;
    --accent: #7c9bff; --accent-ink: #0d1220; --accent-soft: #1f2a46; --note: #2a2516; --note-line: #6b5a26;
    --code: #232a35; --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; }
code, pre { font-family: ui-monospace, "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace; font-size: .88em; }
code { background: var(--code); padding: .1em .35em; border-radius: 5px; overflow-wrap: anywhere; }
pre { background: var(--code); padding: 12px 14px; border-radius: 10px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.015em; }
h1 { font-size: clamp(30px, 5vw, 42px); margin: 8px 0 12px; }
h2 { font-size: 26px; margin: 44px 0 12px; }
h3 { font-size: 19px; margin: 0 0 6px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
main.wrap { padding-top: 28px; padding-bottom: 64px; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 12px; top: 12px; background: var(--card); padding: 8px 12px; z-index: 10; }

/* top bar */
.top { border-bottom: 1px solid var(--line); background: var(--bg); }
.bar { display: flex; align-items: center; gap: 20px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
.brand img { border-radius: 6px; }
.nav { display: flex; gap: 22px; flex: 1; }
.nav a { color: var(--muted); text-decoration: none; font-size: 16px; padding: 6px 0; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); }
.nav a[aria-current] { box-shadow: inset 0 -2px 0 var(--accent); }

/* buttons */
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600;
  padding: 11px 20px; border-radius: 10px; border: 1px solid var(--accent); font: inherit; font-weight: 600; cursor: pointer; line-height: 1.3;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.compact { padding: 7px 14px; font-size: 15px; }
.btn.big { padding: 14px 26px; font-size: 18px; }
.btn.disabled { background: var(--soft); border-color: var(--line); color: var(--muted); cursor: default; filter: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 8px; }

/* text */
.lead { font-size: 19px; color: var(--muted); max-width: 760px; margin: 0 0 24px; }
.small { font-size: 14.5px; color: var(--muted); }
.crumbs { font-size: 14.5px; color: var(--muted); margin: 0; }
.prose { max-width: 820px; }
.prose li { margin: 6px 0; }
.prose > p, .prose li { overflow-wrap: anywhere; }

/* home */
.hero { padding: 28px 0 8px; max-width: 860px; }
.hero h1 { font-size: clamp(32px, 5.4vw, 52px); letter-spacing: -.025em; }
.hero p { font-size: 19.5px; color: var(--muted); }
.hero .small { font-size: 14.5px; }
figure { margin: 24px 0; }
.shot { display: block; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); background: var(--soft); }
.hero-shot { width: 100%; }
.prose .cards, .prose figure { max-width: none; }
.prose:has(.cards) { max-width: none; }
.prose:has(.cards) > p, .prose:has(.cards) > h2, .prose:has(.cards) > h1 { max-width: 820px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; margin: 16px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; box-shadow: var(--shadow); }
.card p { margin: 6px 0 0; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.tile .shot { margin: -4px -4px 14px; width: calc(100% + 8px); max-width: none; border-radius: 9px; box-shadow: none; }

/* notes */
.note { background: var(--note); border: 1px solid var(--note-line); border-radius: 12px; padding: 4px 20px; margin: 20px 0; max-width: 820px; }
.note h3 { margin-top: 14px; }

/* example pages */
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.meta span { background: var(--soft); border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; font-size: 14.5px; }
.two { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; }
.two h2 { margin-top: 20px; }
.steps { padding-left: 22px; }
.steps li { margin: 0 0 16px; }
.steps pre { margin: 8px 0 0; font-size: 14px; }
.tag { display: inline-block; font-size: 13px; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 1px 8px; margin-left: 6px; vertical-align: 1px; }
.video video { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); background: #000; }
.prose .video { max-width: 760px; }
.video figcaption { font-size: 14.5px; color: var(--muted); margin-top: 8px; }

/* docs */
.toc ol { columns: 2; padding-left: 22px; }
.lesson { border-top: 1px solid var(--line); margin-top: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; }
.chips a { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; text-decoration: none; font-size: 15px; }
details { border-bottom: 1px solid var(--line); padding: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 6px 0 4px; }
.rel { border-top: 1px solid var(--line); padding-top: 24px; }

/* tables */
.table { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 15.5px; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
thead th { border-bottom: 2px solid var(--line); }
.legal-doc table { font-size: 14.5px; }
.legal-doc td, .legal-doc th { border: 1px solid var(--line); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 8px 0 28px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.plan.hi { border: 2px solid var(--accent); }
.plan h2 { margin: 0; font-size: 22px; }
.price { font-size: 36px; font-weight: 700; margin: 8px 0 0; letter-spacing: -.02em; }
.price small { font-size: 15px; color: var(--muted); font-weight: 400; }
.plan ul { padding-left: 20px; margin: 14px 0 20px; flex: 1; }
.plan li { margin: 5px 0; }
.plan form { display: flex; flex-direction: column; gap: 8px; }
.plan label { font-size: 15px; }
.plan input[name="org"] { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); color: var(--ink); width: 100%; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--muted); margin: 4px 0 6px; }
.agree input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--accent); }
.hash code { overflow-wrap: anywhere; white-space: pre-wrap; }

/* footer */
.foot { background: var(--soft); border-top: 1px solid var(--line); padding: 36px 0 28px; font-size: 15px; }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cols div { display: flex; flex-direction: column; gap: 6px; }
.cols a { color: var(--muted); text-decoration: none; }
.cols a:hover { color: var(--accent); }
.fine { grid-column: 1 / -1; color: var(--muted); font-size: 14px; margin: 18px 0 0; }

@media (max-width: 860px) {
  .plans { grid-template-columns: 1fr; }
  .two { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .wrap { padding: 0 16px; }
  .bar { gap: 6px 14px; padding: 10px 0 0; }
  .bar .btn.compact { margin-left: auto; }
  .nav { order: 3; flex-basis: 100%; gap: 18px; overflow-x: auto; padding-bottom: 4px; }
  h2 { font-size: 23px; margin-top: 36px; }
  .lead, .hero p { font-size: 17.5px; }
  .cards { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  .cols { grid-template-columns: 1fr 1fr; }
  .btn.big { width: 100%; text-align: center; }
}