:root {
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --card: #ffffff;
  --text: #16202b;
  --muted: #5b6878;
  --border: #e3e8ef;
  --primary: #2f3f50;
  --primary-fg: #f6f9fc;
  --accent: #1f9d74;
  --accent-soft: #e3f5ee;
  --warn: #c7811a;
  --warn-soft: #fbf1e1;
  --danger: #c2413a;
  --danger-soft: #fbe7e5;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --bg-soft: #181e27;
    --card: #1b222c;
    --text: #e8edf3;
    --muted: #98a4b3;
    --border: #2a3340;
    --primary: #e8edf3;
    --primary-fg: #12161d;
    --accent: #3cc497;
    --accent-soft: #163a2f;
    --warn: #e5a54a;
    --warn-soft: #3a2c16;
    --danger: #ef7a72;
    --danger-soft: #3d1f1d;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
h1, h2, h3, h4 { font-family: 'Outfit', system-ui, sans-serif; line-height: 1.2; margin: 0 0 .5em; }
a { color: inherit; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
code { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }
pre { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.2rem; text-decoration: none; }
.logo { width: 32px; height: 32px; border-radius: 9px; background: var(--primary); color: var(--primary-fg); display: grid; place-items: center; }
.nav-links { display: flex; gap: 20px; align-items: center; font-size: .95rem; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.btn-primary { color: var(--primary-fg); }
@media (max-width: 640px) { .nav-links .hide-sm { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid var(--border); background: var(--card); color: var(--text); }
.btn-primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn:hover { filter: brightness(1.05); }

/* Hero */
.hero { padding: 72px 0 40px; text-align: center; }
.pill { display: inline-block; padding: 4px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .85rem; font-weight: 600; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: 820px; margin: 0 auto 16px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 28px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 56px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 36px; }
.section-head p { color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card h3 { font-size: 1.1rem; }
.card p { color: var(--muted); margin: 0; font-size: .95rem; }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-soft); display: grid; place-items: center; margin-bottom: 12px; color: var(--accent); }
.soft { background: var(--bg-soft); }

/* Dashboard preview */
.dash { background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.dash-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.dash-top .title { font-family: 'Outfit', sans-serif; font-weight: 600; }
.tag { font-size: .75rem; padding: 3px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--muted); border: 1px solid var(--border); }
.dash-body { padding: 18px; display: grid; gap: 16px; }
.kpi { padding: 16px; border: 1px solid var(--border); border-radius: 12px; }
.kpi .label { color: var(--muted); font-size: .85rem; }
.kpi .value { font-family: 'Outfit', sans-serif; font-size: 1.8rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi .delta { font-size: .8rem; }
.up { color: var(--accent); } .warn { color: var(--warn); } .down { color: var(--danger); }
.dash-cols { display: grid; gap: 16px; grid-template-columns: 1.4fr 1fr; }
@media (max-width: 820px) { .dash-cols { grid-template-columns: 1fr; } }
.panel { border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.panel h4 { font-size: 1rem; margin-bottom: 12px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
.status { font-size: .78rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.s-pending { background: var(--warn-soft); color: var(--warn); }
.s-done { background: var(--accent-soft); color: var(--accent); }
.s-low { background: var(--danger-soft); color: var(--danger); }
.bars { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 110px 1fr 36px; gap: 10px; align-items: center; font-size: .88rem; }
.bar { height: 10px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: 999px; background: var(--accent); }
.bar-row .n { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.stores { display: grid; gap: 10px; }
.store { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: .9rem; }
.store small { color: var(--muted); display: block; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }

/* Steps */
.steps { counter-reset: s; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.step { position: relative; padding-top: 52px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: 18px; left: 20px; width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: var(--primary-fg); display: grid; place-items: center; font-weight: 700; font-size: .85rem; }

/* CTA + footer */
.cta { text-align: center; }
.cta .card { padding: 40px 24px; }
footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Docs layout */
.docs { display: grid; grid-template-columns: 230px 1fr; gap: 40px; padding: 40px 16px 64px; }
.docs aside { position: sticky; top: 88px; align-self: start; font-size: .93rem; }
.docs aside h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 18px 0 8px; }
.docs aside a { display: block; padding: 5px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); }
.docs aside a:hover { background: var(--bg-soft); color: var(--text); }
.docs article { min-width: 0; max-width: 760px; }
.docs article h2 { font-size: 1.6rem; margin-top: 48px; padding-top: 8px; scroll-margin-top: 80px; }
.docs article h2:first-of-type { margin-top: 0; }
.docs article h3 { margin-top: 28px; }
.docs article p, .docs article li { color: var(--text); }
.note { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 12px 16px; border-radius: 0 10px 10px 0; margin: 16px 0; }
@media (max-width: 820px) {
  .docs { grid-template-columns: 1fr; gap: 16px; }
  .docs aside { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .docs aside h4 { width: 100%; margin: 8px 0 2px; }
}