/* =========================================================================
   BP AI Tool Finder  ·  front-end styles (v3.1)
   Light theme tuned to benjaminpreston.com: warm off-white surfaces,
   charcoal ink, cyan accent (#19D3DA), Geist / Inter / Geist Mono.
   This pass adds depth and hierarchy: a hero, soft card elevation,
   hover lift, crisp dividers, and a tighter type scale.
   Scoped under .bptf-root.
   ========================================================================= */

.bptf-root{
  --bptf-ink:#14181A;
  --bptf-ink-soft:#2b3133;
  --bptf-muted:#5e6b6d;
  --bptf-faint:#8a9597;
  --bptf-bg:#f4f3ef;
  --bptf-surface:#ffffff;
  --bptf-surface-2:#faf9f6;
  --bptf-surface-3:#f1efe9;
  --bptf-line:#e7e4db;
  --bptf-line-2:#d8d4ca;
  --bptf-cyan:#19D3DA;
  --bptf-cyan-dim:#0fb6bd;
  --bptf-cyan-deep:#0b8e94;
  --bptf-cyan-ink:#053b40;
  --bptf-cyan-tint:rgba(25,211,218,.10);
  --bptf-cyan-tint-2:rgba(25,211,218,.18);
  --bptf-good:#0c8f73;
  --bptf-warn:#b9791a;
  --bptf-radius:14px;
  --bptf-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --bptf-display:'Geist','Inter',system-ui,sans-serif;
  --bptf-mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bptf-sh-sm:0 1px 2px rgba(20,24,26,.04), 0 1px 1px rgba(20,24,26,.03);
  --bptf-sh-md:0 6px 16px -10px rgba(20,24,26,.22);
  --bptf-sh-lg:0 26px 50px -32px rgba(20,24,26,.45);
  --bptf-sh-cyan:0 18px 44px -26px rgba(11,142,148,.45);

  box-sizing:border-box;
  max-width:1080px;
  margin:0 auto;
  color:var(--bptf-ink);
  font-family:var(--bptf-sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-align:left;
}
.bptf-root *,.bptf-root *::before,.bptf-root *::after{box-sizing:border-box}
.bptf-root button{font-family:inherit}
.bptf-loading{color:var(--bptf-muted);font-family:var(--bptf-mono);font-size:13px;padding:50px 0;text-align:center}
.bptf-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.bptf-fade{animation:bptf-fade .3s ease}
@keyframes bptf-fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes bptf-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes bptf-glow{0%,100%{opacity:.85}50%{opacity:1}}

/* ---- nav ---- */
.bptf-nav{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap;align-items:center}
.bptf-tab{font-family:var(--bptf-mono);font-size:12px;letter-spacing:.4px;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-muted);border-radius:99px;padding:9px 16px;cursor:pointer;transition:all .15s ease;box-shadow:var(--bptf-sh-sm)}
.bptf-tab:hover{color:var(--bptf-ink);border-color:var(--bptf-cyan-dim);transform:translateY(-1px)}
.bptf-tab.on{background:var(--bptf-ink);border-color:var(--bptf-ink);color:#fff}
.bptf-tab .d{color:var(--bptf-cyan);margin-right:6px}
.bptf-tab.on .d{color:var(--bptf-cyan)}
.bptf-homelink{margin-left:auto;background:none;border:none;color:var(--bptf-muted);font-family:var(--bptf-mono);font-size:12px;cursor:pointer;letter-spacing:.3px}
.bptf-homelink:hover{color:var(--bptf-cyan-deep)}

/* ---- hero (home) · cinematic dark panel ---- */
.bptf-hero{position:relative;overflow:hidden;border-radius:26px;padding:64px 48px 52px;margin-bottom:26px;
  background:
    radial-gradient(120% 140% at 80% -20%, rgba(25,211,218,.30), transparent 55%),
    radial-gradient(90% 120% at 0% 120%, rgba(25,211,218,.12), transparent 60%),
    linear-gradient(165deg,#10171a 0%, #0c1113 55%, #0a0e10 100%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.85), 0 0 0 1px rgba(25,211,218,.06), inset 0 1px 0 rgba(255,255,255,.05);
}
.bptf-hero::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(25,211,218,.85),transparent);animation:bptf-glow 4s ease-in-out infinite}
.bptf-hero::after{content:"";position:absolute;width:560px;height:560px;right:-160px;top:-260px;border-radius:50%;background:radial-gradient(closest-side,rgba(25,211,218,.22),transparent 70%);pointer-events:none;filter:blur(8px)}
.bptf-hero > *{position:relative;z-index:1;opacity:0;animation:bptf-rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.bptf-hero > *:nth-child(1){animation-delay:.04s}
.bptf-hero > *:nth-child(2){animation-delay:.12s}
.bptf-hero > *:nth-child(3){animation-delay:.2s}
.bptf-hero > *:nth-child(4){animation-delay:.28s}
.bptf-hero > *:nth-child(5){animation-delay:.36s}
.bptf-hero .eyebrow{font-family:var(--bptf-mono);font-size:11.5px;letter-spacing:2.4px;text-transform:uppercase;color:var(--bptf-cyan);margin-bottom:18px;display:flex;align-items:center;gap:9px}
.bptf-hero .eyebrow::before{content:"";width:24px;height:1px;background:var(--bptf-cyan);opacity:.7}
.bptf-hero h1{font-family:var(--bptf-display);font-size:50px;line-height:1.04;letter-spacing:-1.4px;font-weight:700;margin:0 0 16px;max-width:16ch;color:#fff}
.bptf-hero h1 .hl{background:linear-gradient(120deg,#19D3DA,#7fe9ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#19D3DA}
.bptf-hero p{font-size:16.5px;line-height:1.6;color:rgba(238,243,244,.74);margin:0 0 30px;max-width:52ch}
.bptf-cta-row{display:flex;gap:13px;flex-wrap:wrap}
.bptf-bigcta{display:inline-flex;align-items:center;gap:10px;border-radius:14px;padding:16px 24px;font-size:15.5px;font-weight:650;font-family:var(--bptf-display);cursor:pointer;border:1px solid transparent;text-decoration:none;transition:transform .14s ease,box-shadow .2s ease,filter .15s ease,background .15s ease}
.bptf-bigcta.primary{background:linear-gradient(180deg,#24e0e7,#13bcc3);border-color:rgba(255,255,255,.25);color:#04252a;box-shadow:0 16px 40px -14px rgba(25,211,218,.7), inset 0 1px 0 rgba(255,255,255,.4)}
.bptf-bigcta.primary:hover{transform:translateY(-3px);box-shadow:0 24px 54px -16px rgba(25,211,218,.85), inset 0 1px 0 rgba(255,255,255,.5)}
.bptf-bigcta.ghost{background:rgba(255,255,255,.06);color:#eef3f4;border-color:rgba(255,255,255,.22);backdrop-filter:blur(4px)}
.bptf-bigcta.ghost:hover{transform:translateY(-3px);border-color:var(--bptf-cyan);background:rgba(25,211,218,.10)}
.bptf-bigcta .arr{font-family:var(--bptf-mono)}
.bptf-herostat{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);display:flex;gap:30px;flex-wrap:wrap;font-family:var(--bptf-mono);font-size:12px;color:rgba(238,243,244,.6)}
.bptf-herostat b{color:#fff;font-weight:700;font-size:14px}
.bptf-herostat .s{display:flex;align-items:center;gap:8px}
.bptf-herostat .dot{width:6px;height:6px;border-radius:99px;background:var(--bptf-cyan);box-shadow:0 0 8px rgba(25,211,218,.9)}

/* home: popular categories */
.bptf-pop{margin-top:6px}
.bptf-popchips{display:flex;flex-wrap:wrap;gap:9px}
.bptf-popchip{font-family:var(--bptf-mono);font-size:12px;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-ink-soft);border-radius:99px;padding:8px 14px;cursor:pointer;box-shadow:var(--bptf-sh-sm);transition:all .15s ease}
.bptf-popchip:hover{border-color:var(--bptf-cyan);transform:translateY(-1px);color:var(--bptf-ink)}
.bptf-popchip .ct{color:var(--bptf-cyan-deep);margin-left:4px}

/* ---- stage: the elevated container for inner (non-hero) views ---- */
.bptf-stage{position:relative;overflow:hidden;border-radius:24px;padding:30px 32px 36px;
  background:linear-gradient(180deg,#ffffff 0%, #faf8f2 100%);
  border:1px solid var(--bptf-line-2);
  box-shadow:var(--bptf-sh-lg), inset 0 1px 0 rgba(255,255,255,.6);
}
.bptf-stage::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--bptf-cyan),rgba(25,211,218,0))}
.bptf-stage::after{content:"";position:absolute;width:460px;height:460px;right:-160px;top:-200px;border-radius:50%;background:radial-gradient(closest-side,rgba(25,211,218,.10),transparent 70%);pointer-events:none}
.bptf-stage > *{position:relative;z-index:1}
.bptf-stage > .bptf-quiz{margin-top:2px}

/* ---- section header (kicker style, matches hero eyebrow) ---- */
.bptf-sectionhead{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:32px 0 18px;padding-bottom:14px;position:relative}
.bptf-sectionhead:first-child{margin-top:0}
.bptf-sectionhead::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,var(--bptf-line-2) 0%, rgba(216,212,202,0) 70%)}
.bptf-sectionhead .ttl{display:flex;flex-direction:column;gap:7px;min-width:0}
.bptf-sectionhead .kicker{font-family:var(--bptf-mono);font-size:10.5px;letter-spacing:2.2px;text-transform:uppercase;color:var(--bptf-cyan-deep);display:flex;align-items:center;gap:8px}
.bptf-sectionhead .kicker::before{content:"";width:18px;height:1px;background:var(--bptf-cyan)}
.bptf-sectionhead h2{font-family:var(--bptf-display);font-size:21px;font-weight:720;letter-spacing:-.5px;margin:0;color:var(--bptf-ink);line-height:1.1}
.bptf-sectionhead .meta{font-family:var(--bptf-mono);font-size:11.5px;color:var(--bptf-muted);white-space:nowrap;padding-bottom:3px}
.bptf-sectionhead .link{font-family:var(--bptf-mono);font-size:11.5px;color:var(--bptf-cyan-deep);background:none;border:none;cursor:pointer;white-space:nowrap;padding-bottom:3px;transition:color .15s ease}
.bptf-sectionhead .link:hover{color:var(--bptf-cyan)}

/* ---- quiz ---- */
.bptf-quiz{max-width:660px;margin:0 auto}
.bptf-quizcard{background:var(--bptf-surface);border:1px solid var(--bptf-line-2);border-radius:20px;padding:30px 30px 26px;box-shadow:var(--bptf-sh-lg);position:relative;overflow:hidden}
.bptf-quizcard::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--bptf-cyan),rgba(25,211,218,0))}
.bptf-progress{display:flex;gap:8px;margin-bottom:22px}
.bptf-progress .seg{height:5px;flex:1;border-radius:99px;background:var(--bptf-line);transition:background .25s ease}
.bptf-progress .seg.on{background:var(--bptf-cyan);box-shadow:0 0 10px -2px rgba(25,211,218,.6)}
.bptf-steplabel{font-family:var(--bptf-mono);color:var(--bptf-cyan-deep);font-size:12px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:10px}
.bptf-q{font-family:var(--bptf-display);font-size:25px;line-height:1.2;margin:0 0 6px;font-weight:700;letter-spacing:-.5px}
.bptf-sub{color:var(--bptf-muted);font-size:14.5px;margin:0 0 22px}
.bptf-options{display:grid;grid-template-columns:1fr;gap:11px}
.bptf-options.two{grid-template-columns:1fr 1fr}
.bptf-opt{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;background:linear-gradient(180deg,#ffffff,#fbfaf6);border:1px solid var(--bptf-line-2);color:var(--bptf-ink);border-radius:var(--bptf-radius);padding:16px 18px;font-size:15px;cursor:pointer;box-shadow:var(--bptf-sh-sm);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease,transform .1s ease}
.bptf-opt::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--bptf-cyan);transform:scaleY(0);transform-origin:center;transition:transform .18s ease}
.bptf-opt:hover{border-color:var(--bptf-cyan-dim);box-shadow:0 0 0 3px var(--bptf-cyan-tint),var(--bptf-sh-md);transform:translateY(-2px)}
.bptf-opt:hover::before{transform:scaleY(1)}
.bptf-opt:hover .chev{transform:translateX(3px);color:var(--bptf-cyan)}
.bptf-opt:active{transform:translateY(0)}
.bptf-opt .o-title{font-weight:620}
.bptf-opt .o-desc{display:block;color:var(--bptf-muted);font-size:12.5px;margin-top:3px;font-weight:400}
.bptf-opt .chev{color:var(--bptf-cyan-dim);font-family:var(--bptf-mono);font-size:20px;flex:0 0 auto;transition:transform .16s ease,color .16s ease}
.bptf-opt.sel{border-color:var(--bptf-cyan);background:var(--bptf-cyan-tint);box-shadow:0 0 0 3px var(--bptf-cyan-tint)}
.bptf-opt.sel::before{transform:scaleY(1)}
.bptf-navrow{display:flex;justify-content:space-between;align-items:center;margin-top:22px}
.bptf-back{background:none;border:none;color:var(--bptf-muted);font-family:var(--bptf-mono);font-size:13px;cursor:pointer;padding:8px 2px;letter-spacing:.4px}
.bptf-back:hover{color:var(--bptf-ink)}
.bptf-back[hidden]{visibility:hidden}

/* ---- result ---- */
.bptf-result-head{font-family:var(--bptf-mono);color:var(--bptf-cyan-deep);font-size:12px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:10px}
.bptf-result-h1{font-family:var(--bptf-display);font-size:26px;font-weight:700;letter-spacing:-.5px;margin:0 0 14px}
.bptf-recap{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.bptf-chip{font-family:var(--bptf-mono);font-size:11.5px;letter-spacing:.3px;border:1px solid var(--bptf-line-2);background:var(--bptf-surface);border-radius:99px;padding:6px 12px;color:var(--bptf-muted);box-shadow:var(--bptf-sh-sm)}
.bptf-chip b{color:var(--bptf-cyan-deep);font-weight:600}

.bptf-card{position:relative;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);border-radius:18px;padding:26px 24px 24px;margin-bottom:16px;box-shadow:var(--bptf-sh-lg);overflow:hidden}
.bptf-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--bptf-cyan),rgba(25,211,218,0))}
.bptf-card .lead{font-family:var(--bptf-mono);font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--bptf-cyan-deep);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.bptf-toolname{display:flex;align-items:center;gap:11px;flex-wrap:wrap;font-family:var(--bptf-display);font-size:25px;font-weight:700;letter-spacing:-.5px;margin:0 0 4px}
.bptf-toolname .logo{width:38px;height:38px;border-radius:9px}
.bptf-toolname .for{font-size:13px;color:var(--bptf-muted);font-weight:400;font-family:var(--bptf-mono)}
.bptf-verdict{font-size:16px;margin:12px 0 0;color:var(--bptf-ink-soft)}
.bptf-rows{margin-top:18px;display:flex;flex-direction:column}
.bptf-row{padding:14px 0;border-top:1px solid var(--bptf-line)}
.bptf-row:first-child{border-top:none;padding-top:4px}
.bptf-row .k{font-family:var(--bptf-mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--bptf-muted);margin-bottom:5px;display:flex;align-items:center;gap:7px}
.bptf-dot{width:8px;height:8px;border-radius:99px;display:inline-block;flex:0 0 auto}
.bptf-dot.good{background:var(--bptf-cyan)}
.bptf-dot.warn{background:var(--bptf-warn)}
.bptf-row .v{font-size:14.5px;color:var(--bptf-ink-soft)}

.bptf-links{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.bptf-btn{display:flex;align-items:center;justify-content:space-between;gap:12px;border-radius:12px;padding:14px 16px;text-decoration:none;font-size:15px;font-weight:600;border:1px solid var(--bptf-line-2);cursor:pointer;transition:box-shadow .15s ease,transform .1s ease,filter .15s ease}
.bptf-btn .lab{display:flex;flex-direction:column;gap:2px}
.bptf-btn .lab small{font-weight:400;font-size:12px;letter-spacing:.2px}
.bptf-btn.primary{background:var(--bptf-cyan);color:var(--bptf-cyan-ink);border-color:var(--bptf-cyan);box-shadow:var(--bptf-sh-cyan)}
.bptf-btn.primary small{color:#0a4247}
.bptf-btn.primary .arrow{color:var(--bptf-cyan-ink);font-family:var(--bptf-mono)}
.bptf-btn.ghost{background:var(--bptf-surface-2);color:var(--bptf-ink)}
.bptf-btn.ghost small{color:var(--bptf-muted)}
.bptf-btn.ghost .arrow{color:var(--bptf-cyan-deep);font-family:var(--bptf-mono)}
.bptf-btn:hover{transform:translateY(-1px);filter:brightness(1.01)}
.bptf-tag{font-family:var(--bptf-mono);font-size:10.5px;letter-spacing:.7px;text-transform:uppercase;padding:3px 7px;border-radius:6px;border:1px solid var(--bptf-line-2);color:var(--bptf-muted);background:var(--bptf-surface-3);align-self:flex-start;margin-bottom:6px}

.bptf-badge{font-family:var(--bptf-mono);font-size:10px;letter-spacing:.7px;text-transform:uppercase;padding:3px 8px;border-radius:6px;font-weight:600;white-space:nowrap}
.bptf-badge.tested{color:var(--bptf-cyan-ink);background:var(--bptf-cyan);border:1px solid var(--bptf-cyan)}
.bptf-badge.catalog{color:var(--bptf-warn);background:rgba(185,121,26,.10);border:1px solid rgba(185,121,26,.35)}

.bptf-alt{background:var(--bptf-surface-2);border:1px solid var(--bptf-line);border-left:3px solid var(--bptf-cyan-dim);border-radius:12px;padding:16px 18px;margin-bottom:16px;color:var(--bptf-muted);font-size:14px;box-shadow:var(--bptf-sh-sm)}
.bptf-alt b{color:var(--bptf-ink);font-weight:600}
.bptf-restart{background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-ink);border-radius:12px;padding:13px 16px;width:100%;font-size:14.5px;cursor:pointer;box-shadow:var(--bptf-sh-sm);transition:all .15s ease}
.bptf-restart:hover{border-color:var(--bptf-cyan-dim);background:var(--bptf-surface-2)}
.bptf-disc{color:var(--bptf-muted);font-size:12px;margin-top:22px;line-height:1.55}
.bptf-error{color:#a23b3b;background:#fbedec;border:1px solid #f0cfcd;border-radius:12px;padding:16px 18px;font-size:14px}

/* ---- browse: search + filters ---- */
.bptf-searchwrap{position:relative;margin-bottom:16px}
.bptf-search{width:100%;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-ink);border-radius:14px;padding:16px 16px 16px 46px;font-family:inherit;font-size:15.5px;box-shadow:var(--bptf-sh-md)}
.bptf-search::placeholder{color:var(--bptf-faint)}
.bptf-search:focus{outline:none;border-color:var(--bptf-cyan-dim);box-shadow:0 0 0 3px var(--bptf-cyan-tint),var(--bptf-sh-md)}
.bptf-searchwrap .ico{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--bptf-faint);font-size:16px;pointer-events:none}
.bptf-filterbar{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:6px;-webkit-overflow-scrolling:touch}
.bptf-filterbar::-webkit-scrollbar{height:6px}
.bptf-filterbar::-webkit-scrollbar-thumb{background:var(--bptf-line-2);border-radius:99px}
.bptf-fchip{font-family:var(--bptf-mono);font-size:11.5px;letter-spacing:.2px;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-muted);border-radius:99px;padding:8px 14px;cursor:pointer;white-space:nowrap;box-shadow:var(--bptf-sh-sm);transition:all .14s ease}
.bptf-fchip:hover{color:var(--bptf-ink);border-color:var(--bptf-cyan-dim);transform:translateY(-2px);box-shadow:var(--bptf-sh-md)}
.bptf-fchip.on{background:var(--bptf-cyan);border-color:var(--bptf-cyan);color:var(--bptf-cyan-ink);box-shadow:0 8px 20px -10px rgba(15,182,189,.85)}
.bptf-fchip.on .ct{color:var(--bptf-cyan-ink);opacity:.75}
.bptf-fchip .ct{color:var(--bptf-cyan-deep);opacity:.9;margin-left:3px}

/* ---- category tiles ---- */
.bptf-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:13px}
.bptf-tile{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;gap:12px;background:linear-gradient(180deg,#ffffff,#fbfaf6);border:1px solid var(--bptf-line-2);border-radius:15px;padding:16px 16px 14px;cursor:pointer;text-align:left;min-height:98px;box-shadow:var(--bptf-sh-sm);transition:border-color .18s ease,box-shadow .18s ease,transform .14s ease}
.bptf-tile::after{content:"\2192";position:absolute;top:13px;right:14px;font-family:var(--bptf-mono);font-size:14px;color:var(--bptf-cyan-deep);opacity:0;transform:translateX(-4px);transition:opacity .18s ease,transform .18s ease}
.bptf-tile:hover{border-color:var(--bptf-cyan);box-shadow:0 0 0 3px var(--bptf-cyan-tint),var(--bptf-sh-lg);transform:translateY(-4px)}
.bptf-tile:hover::after{opacity:1;transform:translateX(0)}
.bptf-tile .tn{font-weight:680;font-size:14.5px;line-height:1.3;font-family:var(--bptf-display);max-width:88%}
.bptf-tile .tc{font-family:var(--bptf-mono);font-size:11.5px;color:var(--bptf-muted)}
.bptf-tile .tc b{color:var(--bptf-cyan-deep);font-weight:700}

/* ---- tool card grid ---- */
.bptf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:15px}
.bptf-tcard{position:relative;overflow:hidden;display:flex;flex-direction:column;background:linear-gradient(180deg,#ffffff,#fcfbf8);border:1px solid var(--bptf-line-2);border-radius:16px;padding:18px 18px 16px;box-shadow:var(--bptf-sh-sm);transition:border-color .16s ease,box-shadow .18s ease,transform .14s ease}
.bptf-tcard:hover{border-color:var(--bptf-cyan-dim);box-shadow:var(--bptf-sh-lg),0 0 0 1px rgba(25,211,218,.22);transform:translateY(-5px)}
.bptf-tcard.is-tested{border-color:rgba(15,182,189,.40);box-shadow:0 0 0 1px rgba(25,211,218,.16),var(--bptf-sh-sm)}
.bptf-tcard.is-tested::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--bptf-cyan),rgba(25,211,218,0))}
.bptf-tcard .top{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}
.bptf-logo{width:44px;height:44px;border-radius:11px;flex:0 0 auto;object-fit:contain;background:var(--bptf-surface-2);border:1px solid var(--bptf-line);padding:6px}
.bptf-logo.mono{display:flex;align-items:center;justify-content:center;font-family:var(--bptf-display);font-weight:700;font-size:18px;color:#fff;padding:0;border:none}
.bptf-tcard .hd{min-width:0;flex:1}
.bptf-tcard .nm{font-family:var(--bptf-display);font-weight:680;font-size:16.5px;letter-spacing:-.2px;line-height:1.2;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.bptf-tcard .pillcat{margin-top:6px;display:inline-block;font-family:var(--bptf-mono);font-size:10px;letter-spacing:.5px;text-transform:uppercase;color:var(--bptf-muted);border:1px solid var(--bptf-line);border-radius:6px;padding:2px 7px;background:var(--bptf-surface-3)}
.bptf-tcard .one{color:var(--bptf-ink-soft);font-size:13.8px;margin:0 0 13px;line-height:1.5;flex:1}
.bptf-tcard .rowmeta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:13px;min-height:20px}
.bptf-rate{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--bptf-ink-soft)}
.bptf-rate .star{color:#e8a52a;font-size:12px}
.bptf-rate b{font-weight:700}
.bptf-rate .src{font-family:var(--bptf-mono);font-size:10.5px;color:var(--bptf-faint)}
.bptf-norate{font-family:var(--bptf-mono);font-size:10.5px;color:var(--bptf-faint)}
.bptf-cta{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;border-radius:11px;padding:11px 14px;font-size:13.5px;font-weight:650;border:1px solid var(--bptf-line-2);background:var(--bptf-surface-2);color:var(--bptf-ink);margin-top:auto;transition:box-shadow .15s ease,transform .1s ease}
.bptf-cta:hover{border-color:var(--bptf-cyan-dim);box-shadow:0 0 0 3px var(--bptf-cyan-tint);transform:translateY(-1px)}
.bptf-cta .arrow{font-family:var(--bptf-mono);color:var(--bptf-cyan-deep)}
.bptf-cta.aff{background:var(--bptf-cyan);border-color:var(--bptf-cyan);color:var(--bptf-cyan-ink);box-shadow:var(--bptf-sh-cyan)}
.bptf-cta.aff .arrow{color:var(--bptf-cyan-ink)}
.bptf-cta.pending{background:var(--bptf-surface-3);color:var(--bptf-muted);cursor:default}
.bptf-cta.pending:hover{box-shadow:none;border-color:var(--bptf-line-2);transform:none}

.bptf-loadmore{display:block;margin:24px auto 0;background:var(--bptf-surface);border:1px solid var(--bptf-line-2);color:var(--bptf-ink);border-radius:12px;padding:13px 24px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--bptf-sh-sm);transition:all .15s ease}
.bptf-loadmore:hover{border-color:var(--bptf-cyan-dim);background:var(--bptf-surface-2);transform:translateY(-1px)}
.bptf-countnote{text-align:center;color:var(--bptf-muted);font-family:var(--bptf-mono);font-size:11.5px;margin-top:12px}
.bptf-empty{background:var(--bptf-surface-2);border:1px dashed var(--bptf-line-2);border-radius:16px;padding:38px 20px;text-align:center;color:var(--bptf-muted);font-size:14.5px}
.bptf-empty b{display:block;color:var(--bptf-ink);font-family:var(--bptf-display);font-size:17px;margin-bottom:6px}

/* cinematic staggered entrance for cards + tiles */
.bptf-grid .bptf-tcard,.bptf-tiles .bptf-tile{opacity:0;animation:bptf-rise .5s cubic-bezier(.2,.7,.2,1) forwards}
.bptf-grid .bptf-tcard:nth-child(1),.bptf-tiles .bptf-tile:nth-child(1){animation-delay:.02s}
.bptf-grid .bptf-tcard:nth-child(2),.bptf-tiles .bptf-tile:nth-child(2){animation-delay:.06s}
.bptf-grid .bptf-tcard:nth-child(3),.bptf-tiles .bptf-tile:nth-child(3){animation-delay:.1s}
.bptf-grid .bptf-tcard:nth-child(4),.bptf-tiles .bptf-tile:nth-child(4){animation-delay:.14s}
.bptf-grid .bptf-tcard:nth-child(5),.bptf-tiles .bptf-tile:nth-child(5){animation-delay:.18s}
.bptf-grid .bptf-tcard:nth-child(6),.bptf-tiles .bptf-tile:nth-child(6){animation-delay:.22s}
.bptf-grid .bptf-tcard:nth-child(n+7),.bptf-tiles .bptf-tile:nth-child(n+7){animation-delay:.26s}
@media (prefers-reduced-motion:reduce){
  .bptf-hero > *,.bptf-grid .bptf-tcard,.bptf-tiles .bptf-tile{animation:none;opacity:1}
}

@media (max-width:600px){
  .bptf-hero{padding:38px 24px 30px;border-radius:20px}
  .bptf-hero h1{font-size:33px;letter-spacing:-1px}
  .bptf-hero p{font-size:15.5px}
  .bptf-stage{padding:20px 16px 26px;border-radius:18px}
  .bptf-sectionhead h2{font-size:19px}
  .bptf-bigcta{flex:1;justify-content:center}
  .bptf-q{font-size:22px}
  .bptf-quizcard{padding:22px 20px}
  .bptf-options.two{grid-template-columns:1fr}
  .bptf-toolname{font-size:22px}
  .bptf-card{padding:22px 20px}
  .bptf-grid{grid-template-columns:1fr}
  .bptf-tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
}