/* P2PScore - Apple-style design system. SF system stack, mobile-first. */
:root{
  --bg:#ffffff;--bg2:#f5f5f7;--bg3:#fbfbfd;
  --ink:#1d1d1f;--muted:#6e6e73;--hair:#d2d2d7;--hair2:#e8e8ed;
  --blue:#0071e3;--blue-d:#0060c2;--blue-t:#eaf3fe;
  --green:#1e8e5a;--green-t:#e8f5ee;
  --amber:#9a6700;--amber-t:#fdf3dc;
  --red:#c0392b;--red-t:#fdeeec;
  --gold:#b7791f;
  --r:12px;--r-lg:18px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.07);
  --shadow-lg:0 2px 6px rgba(0,0,0,.06),0 16px 48px rgba(0,0,0,.12);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","Segoe UI",Inter,Roboto,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;letter-spacing:-.011em}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}
table{border-collapse:collapse}

.wrapper{width:min(1080px,100% - 2.5rem);margin-inline:auto}
.wrapper-narrow{width:min(760px,100% - 2.5rem);margin-inline:auto}

/* ---------- header (h- prefix) ---------- */
.h-bar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair2)}
.h-inner{display:flex;align-items:center;gap:1.25rem;min-height:52px;width:min(1080px,100% - 2.5rem);margin-inline:auto}
.h-logo{font-size:1.25rem;font-weight:700;letter-spacing:-.03em;color:var(--ink);text-decoration:none}
.h-logo span{color:var(--blue)}
.h-logo:hover{text-decoration:none}
.h-nav{margin-left:auto}
.h-menu{display:flex;list-style:none;gap:.25rem;align-items:center}
.h-menu>li{position:relative}
.h-menu>li>a{display:block;padding:.55rem .8rem;font-size:.9rem;font-weight:500;color:var(--ink);border-radius:8px}
.h-menu>li>a:hover{background:var(--bg2);text-decoration:none}
.h-drop{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--hair2);border-radius:var(--r);box-shadow:var(--shadow-lg);min-width:230px;padding:.4rem;list-style:none;z-index:1001}
.h-menu>li:hover>.h-drop,.h-menu>li:focus-within>.h-drop{display:block}
.h-drop a{display:block;padding:.5rem .75rem;font-size:.875rem;color:var(--ink);border-radius:8px}
.h-drop a:hover{background:var(--bg2);color:var(--blue);text-decoration:none}
.h-drop .h-drop-note{font-size:.72rem;color:var(--muted);padding:.15rem .75rem .35rem;text-transform:uppercase;letter-spacing:.06em}
.h-pill{margin-left:.5rem;background:var(--ink);color:#fff!important;border-radius:999px;padding:.45rem 1rem!important;font-size:.82rem!important;font-weight:600}
.h-pill:hover{background:#000!important;text-decoration:none}
.h-burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.h-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:5px 0;transition:transform .2s,opacity .2s}

/* ---------- footer (f- prefix) ---------- */
.f-foot{background:var(--bg2);border-top:1px solid var(--hair2);margin-top:5rem;font-size:.875rem;color:var(--muted)}
.f-grid{display:grid;grid-template-columns:1fr;gap:2rem;padding:3rem 0 2rem;width:min(1080px,100% - 2.5rem);margin-inline:auto}
.f-brand p{margin-top:.6rem;max-width:340px;line-height:1.6}
.f-logo{font-size:1.15rem;font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.f-logo span{color:var(--blue)}
.f-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink);margin-bottom:.8rem}
.f-col ul{list-style:none}
.f-col li{margin-bottom:.45rem}
.f-col a{color:var(--muted)}
.f-col a:hover{color:var(--blue)}
.f-bottom{border-top:1px solid var(--hair);padding:1.25rem 0;font-size:.8rem}
.f-bottom .wrapper{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between}
.f-disclaimer{padding:1.25rem 0 0;font-size:.78rem;line-height:1.6;color:var(--muted);width:min(1080px,100% - 2.5rem);margin-inline:auto}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{font-size:.8rem;color:var(--muted);padding:1.1rem 0 .25rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.35rem;list-style:none;align-items:center}
.breadcrumbs li:not(:last-child)::after{content:"\203A";margin-left:.35rem;color:var(--hair)}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--blue)}
.breadcrumbs .bc-active{color:var(--ink);font-weight:500}

/* ---------- hero ---------- */
.hero{padding:3rem 0 2.5rem;text-align:left}
.hero-center{text-align:center}
.hero-badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--blue-t);border-radius:999px;padding:.3rem .8rem;margin-bottom:1rem}
.hero h1{font-size:clamp(1.9rem,5vw,3.1rem);line-height:1.12;letter-spacing:-.025em;font-weight:700;margin-bottom:1rem}
.hero .hero-sub{font-size:clamp(1.02rem,2vw,1.2rem);color:var(--muted);max-width:640px;line-height:1.6}
.hero-center .hero-sub{margin-inline:auto}
.hero-cta{margin-top:1.75rem;display:flex;gap:.75rem;flex-wrap:wrap}
.hero-center .hero-cta{justify-content:center}
.hero-img{margin-top:2rem;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}

/* stats strip */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hair2);border:1px solid var(--hair2);border-radius:var(--r-lg);overflow:hidden;margin:2.25rem 0}
.stat-cell{background:#fff;padding:1.25rem 1rem;text-align:center}
.stat-cell b{display:block;font-size:1.45rem;letter-spacing:-.02em;color:var(--ink)}
.stat-cell span{font-size:.8rem;color:var(--muted);line-height:1.4;display:block;margin-top:.2rem}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-weight:600;font-size:.95rem;border-radius:999px;padding:.7rem 1.5rem;border:0;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:#177a4b;color:#fff}
.btn-ghost{background:transparent;color:var(--blue);border:1px solid var(--hair)}
.btn-ghost:hover{border-color:var(--blue)}
.btn-sm{padding:.45rem 1rem;font-size:.85rem}
.btn-lg{padding:.85rem 2rem;font-size:1.05rem}

/* ---------- sections / prose ---------- */
.section{padding:2.75rem 0}
.section-alt{background:var(--bg3);border-block:1px solid var(--hair2)}
.section-head{margin-bottom:1.75rem;max-width:680px}
.section-head .kicker,.kicker{font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.5rem}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.2rem);letter-spacing:-.022em;line-height:1.18}
.section-head p{color:var(--muted);margin-top:.6rem}

.prose{max-width:760px}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);letter-spacing:-.02em;line-height:1.2;margin:2.5rem 0 .9rem}
.prose h3{font-size:1.2rem;letter-spacing:-.015em;margin:1.9rem 0 .7rem}
.prose p{margin-bottom:1.1rem}
.prose ul,.prose ol{margin:0 0 1.1rem 1.4rem}
.prose li{margin-bottom:.45rem}
.prose strong{font-weight:650}
.prose blockquote{border-left:3px solid var(--hair);padding-left:1.1rem;color:var(--muted);margin:1.5rem 0;font-style:italic}
.prose img{border-radius:var(--r);margin:1.5rem 0}
.prose figure{margin:1.75rem 0}
.prose figcaption{font-size:.8rem;color:var(--muted);margin-top:.5rem}

/* info boxes */
.info-box,.warn-box,.ok-box{border-radius:var(--r);padding:1.1rem 1.3rem;margin:1.5rem 0;font-size:.95rem}
.info-box{background:var(--blue-t)}
.warn-box{background:var(--amber-t)}
.ok-box{background:var(--green-t)}
.info-box h4,.warn-box h4,.ok-box h4{font-size:.95rem;margin-bottom:.35rem}
.warn-box h4{color:var(--amber)}
.ok-box h4{color:var(--green)}
.info-box h4{color:var(--blue-d)}

/* ---------- badges / score ---------- */
.badge{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border-radius:6px;padding:.18rem .5rem;vertical-align:middle}
.badge-reg{background:var(--green-t);color:var(--green)}
.badge-warn{background:var(--amber-t);color:var(--amber)}
.badge-risk{background:var(--red-t);color:var(--red)}
.badge-info{background:var(--blue-t);color:var(--blue-d)}
.badge-spons{background:var(--bg2);color:var(--muted);border:1px solid var(--hair)}
.score-pill{font-family:var(--mono);font-weight:700;font-size:1.3rem;letter-spacing:-.02em}
.score-pill small{font-size:.75rem;color:var(--muted);font-weight:500}
.stars{color:var(--gold);font-size:.9rem;letter-spacing:.1em}

/* ---------- ranking / platform cards ---------- */
.tier-head{display:flex;align-items:center;gap:.75rem;margin:2.75rem 0 1rem}
.tier-head h3{font-size:1.05rem;letter-spacing:-.01em}
.tier-head .tier-tag{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;padding:.2rem .55rem}
.tier-1 .tier-tag{background:var(--green-t);color:var(--green)}
.tier-2 .tier-tag{background:var(--blue-t);color:var(--blue-d)}
.tier-3 .tier-tag{background:var(--amber-t);color:var(--amber)}
.tier-4 .tier-tag{background:var(--red-t);color:var(--red)}
.tier-head .tier-line{flex:1;height:1px;background:var(--hair2)}

.pcard{display:grid;grid-template-columns:auto 1fr;gap:1rem 1.25rem;background:#fff;border:1px solid var(--hair2);border-radius:var(--r-lg);padding:1.4rem 1.5rem;margin-bottom:1rem;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.pcard:hover{box-shadow:var(--shadow)}
.pcard-top{border:1px solid var(--blue);box-shadow:var(--shadow)}
.pcard .p-rank{font-family:var(--mono);font-size:.85rem;color:var(--muted);padding-top:.35rem}
.pcard .p-head{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .75rem}
.pcard .p-head h3{font-size:1.25rem;letter-spacing:-.02em}
.pcard .p-head h3 a{color:var(--ink)}
.pcard .p-geo{font-size:.82rem;color:var(--muted);width:100%}
.pcard .p-score{margin-left:auto;text-align:right}
.pcard .p-desc{grid-column:2;font-size:.92rem;color:var(--muted);line-height:1.55;margin-top:.4rem}
.p-meta{grid-column:2;display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.7rem;margin-top:.9rem;padding-top:.9rem;border-top:1px solid var(--hair2)}
.p-meta div b{display:block;font-size:.92rem;letter-spacing:-.01em}
.p-meta div span{font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.p-cta{grid-column:2;display:flex;gap:.75rem;align-items:center;flex-wrap:wrap;margin-top:1rem}
.p-cta .p-bonus{font-size:.8rem;color:var(--green);font-weight:600}
.p-warn{grid-column:2;font-size:.8rem;color:var(--red);margin-top:.6rem}

/* editor's pick */
.pick-card{background:linear-gradient(180deg,#fff, var(--bg3));border:1px solid var(--blue);border-radius:var(--r-lg);padding:1.75rem;box-shadow:var(--shadow-lg);margin:2rem 0}
.pick-kicker{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}

/* ---------- tables ---------- */
.table-scroll{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--hair2);border-radius:var(--r)}
.cmp-table{width:100%;font-size:.9rem;min-width:560px}
.cmp-table th{background:var(--bg2);text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:.7rem .9rem;border-bottom:1px solid var(--hair2)}
.cmp-table td{padding:.7rem .9rem;border-bottom:1px solid var(--hair2);vertical-align:top}
.cmp-table tr:last-child td{border-bottom:0}
.cmp-table tr:hover td{background:var(--bg3)}

/* ---------- FAQ accordion ---------- */
.faq-list{max-width:760px}
.faq-item{border-bottom:1px solid var(--hair2)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:1.1rem 2rem 1.1rem 0;font-size:1.02rem;font-weight:600;letter-spacing:-.01em;color:var(--ink);cursor:pointer;position:relative}
.faq-q::after{content:"+";position:absolute;right:.25rem;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--muted);transition:transform .2s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{display:none;padding:0 0 1.2rem;color:var(--muted);font-size:.95rem;line-height:1.65}
.faq-item.open .faq-a{display:block}

/* ---------- CTA box ---------- */
.cta-box{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:2rem;margin:2.5rem 0}
.cta-box h3{font-size:1.35rem;letter-spacing:-.02em;margin-bottom:.5rem}
.cta-box p{color:rgba(255,255,255,.72);font-size:.95rem;max-width:520px}
.cta-box .btn{margin-top:1.2rem}
.cta-box a:not(.btn){color:#9ecbff}

/* ---------- cards grid ---------- */
.grid-2{display:grid;grid-template-columns:1fr;gap:1.25rem}
.grid-3{display:grid;grid-template-columns:1fr;gap:1.25rem}
.card{background:#fff;border:1px solid var(--hair2);border-radius:var(--r-lg);padding:1.4rem;transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow)}
.card h3{font-size:1.08rem;letter-spacing:-.015em;margin-bottom:.5rem;line-height:1.3}
.card h3 a{color:var(--ink)}
.card p{font-size:.9rem;color:var(--muted);line-height:1.55}
.card .card-kicker{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);display:block;margin-bottom:.5rem}
.card .card-more{display:inline-block;margin-top:.8rem;font-size:.85rem;font-weight:600}

/* ---------- review page ---------- */
.rev-hero{display:grid;gap:1.5rem;grid-template-columns:1fr;background:var(--bg3);border:1px solid var(--hair2);border-radius:var(--r-lg);padding:1.75rem;margin:1.5rem 0 2rem}
.rev-score-big{font-family:var(--mono);font-size:3rem;font-weight:700;letter-spacing:-.04em;line-height:1}
.rev-score-big small{font-size:1rem;color:var(--muted)}
.verdict-box{background:var(--bg2);border-radius:var(--r-lg);padding:1.5rem 1.75rem;margin:2rem 0}
.verdict-box h3{margin-bottom:.5rem}
.pros-cons{display:grid;grid-template-columns:1fr;gap:1.25rem;margin:1.75rem 0}
.pros,.cons{border-radius:var(--r);padding:1.2rem 1.4rem}
.pros{background:var(--green-t)}
.cons{background:var(--red-t)}
.pros h4{color:var(--green)}
.cons h4{color:var(--red)}
.pros ul,.cons ul{margin:.6rem 0 0 1.2rem;font-size:.92rem}
.pros li,.cons li{margin-bottom:.4rem}

/* score breakdown bars */
.sb-row{display:grid;grid-template-columns:1fr auto;gap:.5rem;align-items:center;margin-bottom:.7rem;font-size:.9rem}
.sb-bar{grid-column:1/-1;height:6px;border-radius:3px;background:var(--hair2);overflow:hidden}
.sb-fill{height:100%;border-radius:3px;background:var(--blue)}

/* ---------- calculator ---------- */
.calc-app{background:#fff;border:1px solid var(--hair2);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:1.75rem;margin:2rem 0}
.calc-controls{display:grid;grid-template-columns:1fr;gap:1.4rem;margin-bottom:1.75rem}
.calc-field label{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:.45rem}
.calc-field output{float:right;font-family:var(--mono);font-weight:700;font-size:.9rem;color:var(--ink)}
.calc-field input[type=range]{width:100%;accent-color:var(--blue)}
.calc-seg{display:flex;background:var(--bg2);border-radius:10px;padding:3px;gap:3px}
.calc-seg button{flex:1;border:0;background:transparent;border-radius:8px;padding:.5rem .4rem;font-size:.85rem;font-weight:600;color:var(--muted);cursor:pointer}
.calc-seg button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.calc-out{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:.5rem}
.calc-big{background:var(--bg3);border:1px solid var(--hair2);border-radius:var(--r);padding:1.3rem}
.calc-big b{display:block;font-family:var(--mono);font-size:2rem;letter-spacing:-.03em}
.calc-big span{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.calc-note{font-size:.82rem;color:var(--muted);margin-top:1rem;line-height:1.55}
.calc-cta{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--hair2);display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.calc-waterfall{margin-top:1.5rem;font-size:.92rem}
.calc-waterfall .wf-row{display:flex;justify-content:space-between;padding:.55rem 0;border-bottom:1px solid var(--hair2)}
.calc-waterfall .wf-row:last-child{border-bottom:0;font-weight:700}
.calc-waterfall .wf-neg{color:var(--red)}
.calc-waterfall .wf-pos{color:var(--green)}
canvas#calcChart{width:100%;max-width:100%;margin-top:1.25rem}

/* ---------- llm-help / mono blocks ---------- */
.mono-block{font-family:var(--mono);font-size:.8rem;line-height:1.7;background:#0d1117;color:#c9d1d9;border-radius:var(--r);padding:1.4rem 1.5rem;overflow-x:auto;white-space:pre;margin:1.5rem 0}
.mono-block .mk{color:#7ee787}
.mono-inline{font-family:var(--mono);font-size:.85em;background:var(--bg2);border-radius:5px;padding:.1rem .35rem}

/* ---------- misc ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0}
.tag-row a{font-size:.82rem;border:1px solid var(--hair);border-radius:999px;padding:.35rem .9rem;color:var(--ink)}
.tag-row a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.divider{height:1px;background:var(--hair2);border:0;margin:2.5rem 0}
.small,.muted{font-size:.85rem;color:var(--muted)}
.center{text-align:center}
.disclosure-note{font-size:.78rem;color:var(--muted);background:var(--bg3);border:1px solid var(--hair2);border-radius:var(--r);padding:.8rem 1rem;margin:1.25rem 0}

/* ---------- responsive ---------- */
@media(min-width:640px){
  .stat-strip{grid-template-columns:repeat(4,1fr)}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .calc-controls{grid-template-columns:repeat(2,1fr)}
  .calc-out{grid-template-columns:repeat(3,1fr)}
  .pros-cons{grid-template-columns:1fr 1fr}
  .rev-hero{grid-template-columns:auto 1fr}
  .f-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
}
@media(min-width:960px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .calc-controls{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:820px){
  .h-burger{display:block}
  .h-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--hair2);box-shadow:var(--shadow-lg);max-height:calc(100vh - 52px);overflow-y:auto}
  .h-nav.open{display:block}
  .h-menu{flex-direction:column;align-items:stretch;padding:.75rem 1.25rem 1.25rem;gap:0}
  .h-menu>li>a{padding:.8rem .25rem;border-bottom:1px solid var(--hair2);border-radius:0;font-size:1rem}
  .h-drop{display:block;position:static;border:0;box-shadow:none;padding:.25rem 0 .5rem .75rem;min-width:0}
  .h-pill{margin:1rem 0 0;text-align:center;border-radius:12px}
  .pcard{grid-template-columns:1fr}
  .pcard .p-rank{padding-top:0}
  .pcard .p-desc,.p-meta,.p-cta,.p-warn{grid-column:1}
  .pcard .p-score{margin-left:0;text-align:left;width:100%}
}
@media print{.h-bar,.f-foot{display:none}}