/* Battlecards — same SE-tools form: dark navy, Outfit, glow accents */
@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap");

:root {
  --bg: #0a0e1a;
  --bg2: #0d1322;
  --panel: #111a2e;
  --panel2: #152036;
  --line: #22304f;
  --ink: #e8edf7;
  --muted: #9aa7c7;
  --dim: #6b7899;
  --accent: #4f8cff;
  --accent2: #22d3ee;
  --good: #34d399;
  --warn: #fbbf24;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #14224a 0%, var(--bg) 55%) fixed, var(--bg);
  color: var(--ink);
  font-family: "Outfit", system-ui, sans-serif;
  line-height: 1.55;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; gap: 18px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .glyph {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center; font-size: 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 18px rgba(79, 140, 255, 0.45);
}
nav.site { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
nav.site a { color: var(--muted); padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: 0.95rem; }
nav.site a:hover { color: var(--ink); background: var(--panel); text-decoration: none; }

/* ---------- internal-use banner ---------- */
.internal-note {
  border-bottom: 1px solid var(--line);
  background: rgba(17, 26, 46, 0.55);
}
.internal-note p {
  margin: 0 auto;
  max-width: 1060px;
  padding: 9px 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}
.internal-note strong { color: var(--ink); font-weight: 700; }

/* ---------- hero ---------- */
.hero { padding: 64px 0 34px; text-align: center; }
.hero .kicker {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent2); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 16px; margin-bottom: 18px; background: rgba(34, 211, 238, 0.06);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin: 0 0 14px; line-height: 1.12;
  background: linear-gradient(92deg, #fff 20%, var(--accent2) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { color: var(--muted); font-size: 1.12rem; max-width: 640px; margin: 0 auto; }

/* ---------- section titles ---------- */
section.block { padding: 30px 0; }
h2.sec { font-size: 1.5rem; margin: 0 0 6px; font-weight: 700; }
p.sec-sub { color: var(--muted); margin: 0 0 20px; }

/* ---------- index grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.bcard {
  display: block; background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; color: var(--ink); transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.bcard:hover { text-decoration: none; transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 12px 32px rgba(79, 140, 255, 0.18); }
.bcard .cat {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); margin-bottom: 12px;
}
.bcard .vsline { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-weight: 700; }
.bcard .vsline .dot { width: 12px; height: 12px; border-radius: 50%; flex: none; box-shadow: 0 0 10px currentColor; }
.bcard .vsline .vs { color: var(--dim); font-weight: 500; font-size: 0.85rem; }
.bcard h3 { margin: 0 0 8px; font-size: 1.12rem; }
.bcard p.sub { color: var(--muted); font-size: 0.92rem; margin: 0 0 14px; }
.bcard .meta { display: flex; justify-content: space-between; color: var(--dim); font-size: 0.8rem; }
.bcard .meta .pages { color: var(--accent2); }

/* ---------- steps / how it works ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.step .n {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent2)); margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.94rem; }

/* ---------- FAQ ---------- */
details.faq { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
details.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 600; list-style: none; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: "+"; color: var(--accent2); font-weight: 800; margin-right: 10px; }
details.faq[open] summary::before { content: "–"; }
details.faq .body { padding: 0 20px 18px; color: var(--muted); }
details.faq .body p { margin: 0 0 8px; }

/* ---------- changelog ---------- */
details.changelog { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
details.changelog summary { cursor: pointer; padding: 16px 20px; font-weight: 600; list-style: none; }
details.changelog summary::-webkit-details-marker { display: none; }
details.changelog summary::before { content: "+"; color: var(--accent2); font-weight: 800; margin-right: 10px; }
details.changelog[open] summary::before { content: "–"; }
#changelog-body { padding: 0 22px 20px; color: var(--muted); }
#changelog-body h3 { color: var(--ink); font-size: 1rem; margin: 16px 0 6px; }
#changelog-body ul { margin: 0 0 6px; padding-left: 20px; }
#changelog-body li { margin-bottom: 4px; font-size: 0.94rem; }

/* ---------- battlecard page ---------- */
.backlink { display: inline-block; margin: 22px 0 6px; color: var(--muted); font-size: 0.92rem; }
.backlink:hover { color: var(--ink); }

.duel {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch;
  margin: 18px 0 8px;
}
.contender {
  border-radius: var(--radius); padding: 22px; background: var(--panel);
  border: 1px solid var(--line); border-top: 4px solid var(--vc);
  box-shadow: 0 0 24px color-mix(in srgb, var(--vc) 18%, transparent);
}
.contender .vname { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.contender h2 { margin: 4px 0 8px; font-size: 1.5rem; }
.contender p.tag { margin: 0; color: var(--muted); font-size: 0.95rem; }
.vs-badge {
  align-self: center; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 1.05rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 26px rgba(79, 140, 255, 0.5);
}
.duel-sub { text-align: center; color: var(--dim); font-size: 0.85rem; margin-bottom: 20px; }

/* tabs */
.tabs { display: flex; gap: 8px; margin: 10px 0 22px; flex-wrap: wrap; }
.tab {
  border: 1px solid var(--line); background: var(--panel); color: var(--muted);
  border-radius: 999px; padding: 10px 20px; font-family: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer;
}
.tab:hover { color: var(--ink); border-color: var(--accent); }
.tab.active {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 18px rgba(79, 140, 255, 0.4);
}
.tab .pg { opacity: 0.75; font-weight: 500; margin-right: 6px; }

/* score strip */
.score { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 20px; }
.score .bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: #0a0f1e; margin-bottom: 10px; }
.score .bar div { transition: width 0.8s ease; }
.score .legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.9rem; color: var(--muted); }
.score .legend b { color: var(--ink); }
.score .legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; }

/* feature rows */
.feat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 14px; }
.feat .head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.feat .head h3 { margin: 0; font-size: 1.02rem; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.92rem; }
.edge { margin-left: auto; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px; white-space: nowrap; }
.edge.a { background: color-mix(in srgb, var(--va) 18%, transparent); color: var(--va); border: 1px solid color-mix(in srgb, var(--va) 45%, transparent); }
.edge.b { background: color-mix(in srgb, var(--vb) 18%, transparent); color: var(--vb); border: 1px solid color-mix(in srgb, var(--vb) 45%, transparent); }
.edge.tie { background: rgba(154, 167, 199, 0.1); color: var(--muted); border: 1px solid var(--line); }
.feat .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feat .col { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.feat .col .who { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
.feat .col.ca .who { color: var(--va); }
.feat .col.cb .who { color: var(--vb); }
.feat .col p { margin: 0; font-size: 0.94rem; color: var(--ink); }
.feat .note { margin: 12px 0 0; font-size: 0.88rem; color: var(--muted); border-left: 3px solid var(--accent); padding-left: 12px; }
@media (max-width: 640px) { .feat .cols { grid-template-columns: 1fr; } .duel { grid-template-columns: 1fr; } .vs-badge { margin: 0 auto; } }

.takeaway {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.12), rgba(34, 211, 238, 0.08));
  border: 1px solid var(--accent); border-radius: var(--radius); padding: 20px 24px; margin: 22px 0;
}
.takeaway h3 { margin: 0 0 8px; font-size: 1rem; color: var(--accent2); }
.takeaway p { margin: 0; font-size: 1.02rem; }
.fineprint { color: var(--dim); font-size: 0.82rem; margin: 18px 0 8px; }

/* case pages */
.pitch { font-size: 1.12rem; color: var(--ink); background: var(--panel); border: 1px solid var(--line);
  border-left: 4px solid var(--vc); border-radius: 10px; padding: 18px 22px; margin-bottom: 22px; }
.case-sec { margin-bottom: 26px; }
.case-sec h3 { font-size: 1.05rem; margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
.case-sec h3 .ico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); font-size: 1rem; }
.case-sec ul { margin: 0; padding: 0; list-style: none; }
.case-sec li { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 8px; font-size: 0.95rem; }
.case-sec li strong { color: var(--accent2); }
.qa { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
.qa .q { font-weight: 700; margin-bottom: 6px; }
.qa .q::before { content: "Q: "; color: var(--warn); }
.qa .a { color: var(--muted); font-size: 0.94rem; }
.qa .a::before { content: "A: "; color: var(--good); font-weight: 700; }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line); margin-top: 40px; padding: 26px 0 40px; color: var(--dim); font-size: 0.85rem; }
footer.site .wrap { display: flex; gap: 18px; flex-wrap: wrap; justify-content: space-between; }

/* ---- app switcher (top-left dropdown) ---- */
.brand-dropdown{position:relative}
button.brand{background:none;border:0;cursor:pointer;font:inherit;padding:6px 10px;margin:-6px -10px;border-radius:10px;color:var(--ink);display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem}
button.brand:hover{background:rgba(255,255,255,.05);text-decoration:none}
.brand-caret{font-size:.65rem;color:var(--muted);margin-left:1px}
.brand-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:248px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:6px;box-shadow:0 16px 40px rgba(0,0,0,.5);display:none;z-index:60}
.brand-dropdown.open .brand-menu{display:block}
.brand-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:9px;color:var(--ink);text-decoration:none;font-size:.9rem;background:none;border:0;cursor:pointer;font-family:inherit;text-align:left;box-sizing:border-box}
.brand-item:hover{background:rgba(80,140,255,.12);text-decoration:none}
.brand-item .bi{font-size:1.05rem;line-height:1}
.brand-item.is-current{color:var(--accent2);font-weight:700}
.brand-item .cur{margin-left:auto;font-size:.7rem;color:var(--muted);font-weight:400}