:root {
  --bg: #fbfcfe;
  --panel: #ffffff;
  --ink: #182230;
  --muted: #5b6b82;
  --accent: #2f7cf6;
  --accent-dark: #1b5fd0;
  --accent-soft: #e8f1fe;
  --line: #e3eaf3;
  --green: #1d9d68;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  line-height: 1.65; font-size: 16.5px;
}
a { color: var(--accent-dark); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; gap: 26px; min-height: 60px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.22rem; color: var(--ink); text-decoration: none; }
.logo img { width: 30px; height: 30px; }
.main-nav { display: flex; gap: 20px; flex-wrap: wrap; margin-left: auto; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 600; }
.main-nav a:hover { color: var(--accent); }

h1 { font-size: clamp(1.9rem, 4.6vw, 2.9rem); line-height: 1.18; margin: 26px 0 12px; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); margin: 42px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 1.12rem; margin: 0 0 6px; }
p { margin: 0 0 1em; }
.lede { color: var(--muted); font-size: 1.13rem; max-width: 680px; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

.btn {
  display: inline-flex; align-items: center; gap: 9px; background: var(--accent); color: #fff;
  font-weight: 700; padding: 13px 26px; border-radius: 12px; text-decoration: none; font-size: 1.02rem;
  border: 1px solid var(--accent);
}
.btn:hover { background: var(--accent-dark); }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn.sm { padding: 8px 16px; font-size: .94rem; border-radius: 10px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 8px; }

.hero { padding: 26px 0 6px; }
.hero .badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.pill {
  display: inline-block; background: var(--accent-soft); color: var(--accent-dark);
  border-radius: 999px; padding: 3px 13px; font-size: .85rem; font-weight: 600;
}
.pill.green { background: #e5f6ee; color: #11714b; }

/* CSS app-window mock (visual, echoes the product UI) */
.mock {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(24, 45, 90, .10); overflow: hidden; margin: 26px 0;
}
.mock .bar {
  display: flex; align-items: center; gap: 7px; padding: 10px 14px;
  border-bottom: 1px solid var(--line); background: #f5f8fc;
}
.mock .dot { width: 11px; height: 11px; border-radius: 50%; }
.mock .bar .title { margin-left: 8px; color: var(--muted); font-size: .85rem; font-weight: 600; }
.mock .tools { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.mock .tool {
  border: 1px solid var(--line); border-radius: 8px; padding: 3px 10px; font-size: .82rem;
  background: #fff; color: var(--ink); font-weight: 600;
}
.mock .tool.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.mock .stage {
  position: relative; min-height: 210px; padding: 22px;
  background: linear-gradient(135deg, #eef4fd, #f8fbff 60%, #eef7f1);
}
.mock .shot {
  background: #fff; border: 2px dashed var(--accent); border-radius: 10px; padding: 14px 16px;
  max-width: 520px; box-shadow: 0 6px 22px rgba(24,45,90,.08);
}
.mock .shot p { margin: 0 0 6px; font-size: .95rem; }
.mock .hl { background: #fff3a3; padding: 0 3px; border-radius: 3px; }
.mock .arrow-note {
  display: inline-block; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700;
  border-radius: 8px; padding: 2px 9px; margin-top: 6px;
}
.mock .caption { padding: 10px 14px; color: var(--muted); font-size: .88rem; border-top: 1px solid var(--line); }

/* feature layout */
.feature { display: grid; gap: 26px; align-items: center; margin: 34px 0; }
@media (min-width: 860px) { .feature { grid-template-columns: 1fr 1fr; } .feature.flip > :first-child { order: 2; } }
.feature .num { color: var(--accent); font-weight: 800; font-size: .85rem; letter-spacing: .12em; }
.feature-visual {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 10px 30px rgba(24,45,90,.06);
}
.kv { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: .95rem; }
.kv:last-child { border-bottom: 0; }
.kv b { white-space: nowrap; }
.chiprow { display: flex; gap: 7px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: #f5f8fc; border-radius: 999px; padding: 2px 11px; font-size: .83rem; font-weight: 600; }

.grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin: 18px 0; }
@media (min-width: 720px) { .grid.cols2 { grid-template-columns: 1fr 1fr; } .grid.cols3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
}
.card h3 { margin-top: 0; }
.card .tag { font-size: .78rem; font-weight: 800; letter-spacing: .1em; color: var(--accent); }
.card ul { margin: 8px 0; padding-left: 19px; }
.card li { margin-bottom: 4px; }
.card .btn { margin-top: 10px; }
.fname { font-family: ui-monospace, Consolas, monospace; font-size: .82rem; color: var(--muted); word-break: break-all; }

table.compare { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .96rem; }
table.compare th, table.compare td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.compare th { background: #f5f8fc; }
table.compare tr:last-child td { border-bottom: 0; }
.yes { color: var(--green); font-weight: 700; }
.no { color: #b3543f; }

code, .codeblock {
  font-family: ui-monospace, Consolas, monospace; font-size: .9em;
  background: #0f1c2e; color: #d7e7ff; border-radius: 8px;
}
code { padding: 1px 6px; }
.codeblock { display: block; padding: 13px 16px; overflow-x: auto; margin: 10px 0 16px; white-space: pre; }

.steps { counter-reset: step; padding: 0; list-style: none; }
.steps li { counter-increment: step; position: relative; padding: 4px 0 14px 46px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 32px; height: 32px;
  background: var(--accent); color: #fff; border-radius: 50%; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.faq dt { font-weight: 700; margin-top: 15px; }
.faq dd { margin: 4px 0 0; }
.breadcrumb { font-size: .88rem; color: var(--muted); margin: 18px 0 6px; }
.breadcrumb a { color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 26px 0 40px; color: var(--muted); font-size: .92rem; background: #fff; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.site-footer a { color: var(--muted); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* blog */
.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); margin: 28px 0 10px; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px 18px; background: #fff; }
.card h2 { font-size: 1.12rem; margin: 6px 0 10px; line-height: 1.35; }
.card h2 a { color: var(--ink); }
.card h2 a:hover { color: var(--accent); }
.card p { color: var(--muted); margin: 0 0 14px; }
.meta { color: var(--muted); font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 6px; }
.article { max-width: 760px; padding: 40px 0 20px; }
.article h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.2; margin: 0 0 8px; }
.article h2 { font-size: 1.16rem; margin: 30px 0 8px; }
.article p { color: #2b3648; margin: 0 0 12px; }
.article .btn { margin-right: 10px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 44px 0 26px; background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand .logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.footer-brand p { color: var(--muted); font-size: .92rem; margin: 0 0 10px; max-width: 340px; }
.footer-brand .footer-note { font-size: .82rem; color: #8593a6; }
.footer-col h3 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); margin: 4px 0 14px; }
.footer-col a { display: block; color: var(--muted); font-size: .92rem; padding: 5px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); color: #8593a6; font-size: .84rem; }
.footer-bottom a { color: #8593a6; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* blog byline + author box */
.byline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; margin: 0 0 22px; }
.byline-author { color: var(--ink); font-weight: 600; }
.byline-sep { color: #c3ccd8; }
.byline-cat { background: var(--accent-soft); color: var(--accent-dark); padding: 2px 9px; border-radius: 999px; font-size: .78rem; }
.author-box { display: flex; gap: 14px; border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin: 34px 0 22px; background: #fff; }
.author-avatar { width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-dark); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.1rem; }
.author-box strong { display: block; color: var(--ink); }
.author-box p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
.author-box .author-role { color: var(--accent-dark); font-size: .82rem; }