:root {
  --bg: #f6f7fb;
  --bg-2: #ffffff;
  --ink: #17181f;
  --ink-2: #4a4d5a;
  --ink-3: #8a90a0;
  --rule: #e5e7ee;
  --rule-2: #d6d9e3;
  --prime: #4f2bdb;
  --prime-soft: #ecebff;
  --green: #0f9d62;
  --green-soft: #e5f6ef;
  --amber: #c2560b;
  --amber-soft: #fff3e6;
  --red: #d33a3a;
  --red-soft: #ffe9e9;
  --radius: 14px;
  --shadow: 0 10px 30px -18px rgba(23, 24, 31, 0.35);
  --font: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-head .inner {
  max-width: 1080px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 62px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, #6d28d9, #4d7cfe);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px;
}
.brand .t1 { font-weight: 800; letter-spacing: -0.3px; font-size: 15px; }
.brand .t2 { font-family: var(--mono); font-size: 10px; color: var(--ink-2); }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
  padding: 8px 13px; border-radius: 9px; text-decoration: none; color: var(--ink-2);
  font-weight: 600; font-size: 13.5px;
}
.nav a:hover { background: var(--prime-soft); color: var(--prime); }
.nav a.active { background: var(--ink); color: #fff; }

/* ---------- layout ---------- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 30px 20px 70px; }
.hero { padding: 54px 0 26px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.6px;
  color: var(--prime); background: var(--prime-soft); border: 1px solid rgba(74, 43, 219, 0.2);
  padding: 6px 13px; border-radius: 100px; margin-bottom: 18px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
h1.h { font-size: clamp(34px, 5.5vw, 56px); line-height: 1.04; letter-spacing: -1.6px; margin: 0 0 16px; font-weight: 800; }
h1.h em { font-style: normal; background: linear-gradient(90deg, #6d28d9, #2563eb); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--ink-2); font-size: 17px; max-width: 660px; margin: 0 0 26px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 10px; padding: 11px 18px; font-weight: 700; font-size: 14px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--prime); color: #fff; }
.btn-primary:hover { background: #3b20bd; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--rule-2); }
.btn-ghost:hover { border-color: var(--prime); color: var(--prime); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #0b854f; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn small { font-family: var(--mono); font-size: 11px; font-weight: 600; opacity: 0.75; }
.btn svg { width: 16px; height: 16px; }

h2.sec { font-size: 24px; letter-spacing: -0.6px; margin: 0 0 6px; font-weight: 800; }
p.sub { color: var(--ink-2); margin: 0 0 22px; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 42px 0 16px; flex-wrap: wrap; }
.sec-head .meta { font-family: var(--mono); font-size: 11px; color: var(--ink-2); }

/* ---------- cards ---------- */
.card { background: var(--bg-2); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 820px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
@media (min-width: 821px) and (max-width: 1080px) { .g4 { grid-template-columns: repeat(2, 1fr); } }

/* ---------- comparison table ---------- */
table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--bg-2); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
table.cmp th, table.cmp td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--rule); }
table.cmp th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase; color: var(--ink-2); background: #fbfbfd; }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp tr:hover td { background: #fafbff; }
table.cmp .num { font-family: var(--mono); font-weight: 700; white-space: nowrap; }
td.nowrap, th.nowrap { white-space: nowrap; }
.rec-pill { font-family: var(--mono); font-size: 10px; font-weight: 800; color: #fff; background: var(--green); border-radius: 100px; padding: 3px 9px; letter-spacing: 0.4px; }
.over-pill { font-family: var(--mono); font-size: 10px; font-weight: 800; color: #fff; background: var(--amber); border-radius: 100px; padding: 3px 9px; }
@media (max-width: 700px) { table.cmp { font-size: 12.5px; } }

/* ---------- feature tiles ---------- */
.tile { padding: 20px; }
.tile .ic {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--prime-soft); color: var(--prime); margin-bottom: 12px; font-size: 18px;
}
.tile h3 { margin: 0 0 6px; font-size: 16px; letter-spacing: -0.2px; }
.tile p { margin: 0; color: var(--ink-2); font-size: 13.5px; }

/* ---------- decider ---------- */
.decider { padding: 26px; border-left: 5px solid var(--green); }
.decider .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.8px; text-transform: uppercase; color: var(--green); font-weight: 700; }
.decider h3 { margin: 6px 0 8px; font-size: 21px; letter-spacing: -0.4px; }
.decider p { margin: 0 0 8px; color: var(--ink-2); }
.decider ul { margin: 8px 0 16px; padding-left: 20px; color: var(--ink-2); font-size: 14px; }
.decider li { margin-bottom: 4px; }

/* ---------- build cards ---------- */
.build {
  margin-bottom: 26px; overflow: hidden;
}
.build-head {
  padding: 22px 24px; border-bottom: 1px solid var(--rule);
  display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap;
}
.build-head .lhs { display: flex; gap: 16px; align-items: flex-start; }
.build-num {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; font-weight: 800; font-size: 20px;
  background: var(--ink); color: #fff;
}
.build-num.reco { background: var(--green); }
.build-num.over { background: var(--amber); }
.build-head h3 { margin: 0 0 2px; font-size: 20px; letter-spacing: -0.4px; }
.build-head .plat { font-family: var(--mono); font-size: 11px; color: var(--ink-2); }
.build-total { text-align: right; }
.build-total .amt { font-size: 26px; font-weight: 800; letter-spacing: -1px; }
.build-total .lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.8px; color: var(--ink-2); text-transform: uppercase; }
.build-total .budget { font-family: var(--mono); font-size: 12px; color: var(--green); font-weight: 700; margin-top: 4px; }
.build-total .over { font-family: var(--mono); font-size: 12px; color: var(--amber); font-weight: 700; margin-top: 4px; }
.build-body { padding: 10px 24px 22px; }

.parts-table { width: 100%; border-collapse: collapse; }
.parts-table td { padding: 9px 6px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.parts-table tr:last-child td { border-bottom: 0; }
.parts-table .pimg { width: 58px; height: 58px; object-fit: contain; background: #fff; border: 1px solid var(--rule); border-radius: 10px; padding: 4px; }
.parts-table .pn { font-weight: 700; font-size: 14px; }
.parts-table .ps { font-family: var(--mono); font-size: 10.5px; color: var(--ink-2); }
.parts-table .pnote { font-size: 11.5px; color: var(--ink-2); margin-top: 2px; }
.parts-table .pr { font-family: var(--mono); font-weight: 700; font-size: 14px; white-space: nowrap; text-align: right; }
.parts-table .buy { text-align: right; }
@media (max-width: 640px) {
  .parts-table .buy-col { display: none; }
  .parts-table .p-img-wrap { display: none; }
}
.buy-pop { position: relative; }
.buy-btn {
  font-family: var(--mono); font-size: 11px; font-weight: 700; padding: 7px 12px;
  border: 1px solid var(--rule-2); background: #fff; color: var(--ink); border-radius: 8px; cursor: pointer;
}
.buy-btn:hover { border-color: var(--prime); color: var(--prime); }
.buy-pop.open .buy-btn { background: var(--prime); border-color: var(--prime); color: #fff; }
.buy-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40; min-width: 200px;
  background: #fff; border: 1px solid var(--rule); border-radius: 10px; box-shadow: var(--shadow);
  padding: 6px; display: none;
}
.buy-pop.open .buy-menu { display: block; }
.buy-menu a { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; text-decoration: none; color: var(--ink); font-size: 13px; border-radius: 7px; }
.buy-menu a:hover { background: var(--prime-soft); color: var(--prime); }
.buy-menu a .ex { font-family: var(--mono); color: var(--ink-2); font-size: 12px; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.mini { padding: 16px 18px; }
.mini h4 { margin: 0 0 8px; font-size: 12px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.6px; color: var(--ink-2); }
.mini ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 13.5px; }
.mini li { margin-bottom: 5px; }
.mini p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.mini .warn { color: var(--amber); }
.mini .ok { color: var(--green); }
.mini .note-box { border-left: 3px solid var(--amber); background: var(--amber-soft); padding: 10px 12px; border-radius: 8px; font-size: 13px; }

/* ---------- shops ---------- */
.shop { overflow: hidden; }
.shop-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 20px 22px 12px; flex-wrap: wrap; }
.rank { font-family: var(--mono); font-weight: 800; color: var(--prime); font-size: 13px; }
.shop h3 { margin: 2px 0 2px; font-size: 19px; }
.shop .tag { font-family: var(--mono); font-size: 11px; color: var(--ink-2); }
.shop .body { padding: 6px 22px 0; }
.shop .quote { font-size: 14px; color: var(--ink-2); border-left: 3px solid var(--prime); padding: 4px 12px; margin: 8px 0; font-style: italic; }
.shop .addr { display: flex; gap: 8px; color: var(--ink-2); font-size: 13.5px; margin: 10px 0; }
.shop .addr svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 2px; color: var(--prime); }
.shop .actions { display: flex; gap: 10px; flex-wrap: wrap; padding: 4px 22px 18px; }
.map { width: 100%; height: 220px; border: 0; display: block; border-top: 1px solid var(--rule); }

/* ---------- steps ---------- */
ol.steps { margin: 0; padding-left: 0; list-style: none; counter-reset: step; }
ol.steps li { counter-increment: step; padding: 12px 0 12px 46px; position: relative; border-bottom: 1px dashed var(--rule-2); font-size: 14.5px; }
ol.steps li:last-child { border-bottom: 0; }
ol.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 12px;
  width: 30px; height: 30px; border-radius: 50%; background: var(--prime-soft); color: var(--prime);
  display: grid; place-items: center; font-weight: 800; font-family: var(--mono); font-size: 13px;
}
.note-box { background: var(--amber-soft); border: 1px solid #f3d9b8; color: var(--amber); border-radius: 10px; padding: 14px 16px; font-size: 13.5px; margin-top: 16px; }
.note-box strong { color: var(--amber); }

/* ---------- misc ---------- */
.price-note { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.taglist { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-family: var(--mono); font-size: 11px; font-weight: 700; background: var(--bg-2); border: 1px solid var(--rule-2); color: var(--ink-2); padding: 5px 11px; border-radius: 100px; }
.tag.green { background: var(--green-soft); border-color: #b6e6d2; color: var(--green); }
.tag.amber { background: var(--amber-soft); border-color: #f0cd9f; color: var(--amber); }

footer { border-top: 1px solid var(--rule); background: var(--bg-2); }
footer .wrap { padding-top: 24px; padding-bottom: 24px; color: var(--ink-2); font-size: 12.5px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
footer .mono { font-family: var(--mono); }

/* map empty state */
.map-none { display: grid; place-items: center; height: 140px; color: var(--ink-2); font-size: 13px; border-top: 1px solid var(--rule); font-family: var(--mono); }

.fade-in { animation: fade .4s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }