/* kW Calc – All Calculators directory page (homepage design tokens) */
.cx{--ink:#0f172a;--mut:#526077;--line:#e3e8ef;--alt:#f6f8fb;--blue:#2563eb;--blue-d:#1d4ed8;--blue-t:#eef3ff;color:var(--ink);background:#fff}
.cx *{box-sizing:border-box}
.hp-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.cx-wrap{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.cx-i{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.cx a:focus-visible,.cx button:focus-visible,.cx input:focus-visible,.cx summary:focus-visible{outline:3px solid #9bb8fb;outline-offset:2px}
.cx-ic{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:11px;background:var(--t,var(--blue-t));color:var(--c,var(--blue));font-size:1.3rem;flex:none}
.cx-ic.sm{width:1.9rem;height:1.9rem;border-radius:8px;font-size:1rem}

/* hero */
.cx-hero{background:linear-gradient(180deg,#f2f6ff 0%,#fff 100%);border-bottom:1px solid var(--line);padding:2.5rem 0 3rem}
.cx-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:3rem;align-items:center}
.cx-crumbs{display:flex;align-items:center;gap:.45rem;margin:0 0 1.1rem;font-size:.85rem;color:var(--mut)}
.cx-crumbs a{color:var(--mut);text-decoration:none}.cx-crumbs a:hover{color:var(--blue-d);text-decoration:underline}
.cx-crumbs [aria-current]{color:var(--ink);font-weight:600}
.cx-eyebrow{display:inline-flex;align-items:center;gap:.45rem;padding:.35rem .75rem;border:1px solid #d6deea;border-radius:8px;background:#fff;font-size:.8rem;font-weight:650;color:var(--blue-d)}
.cx-hero h1{margin:.9rem 0 .9rem;font-size:clamp(2rem,3.6vw,2.85rem);line-height:1.12;letter-spacing:-.03em;font-weight:750;color:var(--ink)}
.cx-hero h1 span{color:var(--blue)}
.cx-lede{margin:0 0 1.5rem;max-width:33rem;font-size:1.08rem;line-height:1.6;color:var(--mut)}
.cx-search{position:relative;max-width:34rem}
.cx-search-ic{position:absolute;left:1rem;top:50%;transform:translateY(-50%);font-size:1.25rem;color:#7a879b;pointer-events:none}
.cx-search input{width:100%;height:3.4rem;padding:0 3rem 0 2.9rem;font:inherit;font-size:1.02rem;color:var(--ink);background:#fff;border:1.5px solid #cdd6e3;border-radius:12px;-webkit-appearance:none;appearance:none}
.cx-search input::placeholder{color:#8d99ab}
.cx-search input:focus{border-color:var(--blue);outline:2px solid rgba(37,99,235,.35);outline-offset:1px}
.cx-search kbd{position:absolute;right:.8rem;top:50%;transform:translateY(-50%);padding:.1rem .45rem;border:1px solid #d6deea;border-radius:6px;background:var(--alt);font:600 .78rem/1.4 inherit;color:var(--mut)}
.cx-stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:0;margin:1.6rem 0 0}
.cx-stats div{padding:0 1.4rem;border-left:1px solid var(--line)}
.cx-stats div:first-child{padding-left:0;border-left:0}
.cx-stats dt{font-size:.8rem;font-weight:550;color:var(--mut)}
.cx-stats dd{margin:.1rem 0 0;font-size:1.45rem;font-weight:750;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.cx-index{background:#fff;border:1px solid #d8e0ec;border-radius:16px;padding:1.15rem 1.15rem .9rem}
.cx-index-head{display:flex;justify-content:space-between;align-items:baseline;margin:0 .25rem .7rem}
.cx-index-head p{margin:0;font-size:1rem;font-weight:650}
.cx-index-head span{font-size:.82rem;color:var(--mut)}
.cx-index ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.15rem .5rem}
.cx-index a{display:flex;align-items:center;gap:.6rem;padding:.38rem .4rem;border-radius:9px;text-decoration:none;color:var(--ink)}
.cx-index a:hover{background:var(--t)}
.cx-idx-name{flex:1;min-width:0;font-size:.9rem;font-weight:560;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cx-idx-n{font-size:.8rem;font-weight:600;color:var(--mut);font-variant-numeric:tabular-nums}
.cx-index a:hover .cx-idx-n{color:var(--c)}

/* sticky filter bar */
.cx-bar{position:sticky;top:64px;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.cx-bar-in{display:flex;align-items:center;gap:1rem;padding-top:.65rem;padding-bottom:.65rem}
.cx-chips{display:flex;gap:.4rem;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;padding:2px}
.cx-chips::-webkit-scrollbar{display:none}
.cx-chip{flex:none;display:inline-flex;align-items:center;gap:.4rem;padding:.42rem .75rem;border:1px solid #d6deea;border-radius:8px;background:#fff;font:inherit;font-size:.86rem;font-weight:560;color:var(--ink);cursor:pointer;white-space:nowrap}
.cx-chip span{font-size:.75rem;font-weight:650;color:var(--mut);font-variant-numeric:tabular-nums}
.cx-chip:hover{border-color:var(--c,var(--blue));color:var(--c,var(--blue-d))}
.cx-chip.is-on{background:var(--c,var(--blue));border-color:var(--c,var(--blue));color:#fff}
.cx-chip.is-on span{color:rgba(255,255,255,.85)}
.cx-status{flex:none;margin:0;font-size:.84rem;color:var(--mut);white-space:nowrap}

/* directory */
.cx-dir{background:var(--alt);padding:2.25rem 0 3.5rem}
.cx-dir .cx-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem}
.cx-cat{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;scroll-margin-top:130px}
.cx-cat[hidden]{display:none}
.cx-cat-head{display:flex;align-items:center;gap:1.1rem;padding:1.4rem 1.6rem;background:linear-gradient(100deg,var(--t) 0%,#fff 72%);border-bottom:1px solid var(--line)}
.cx-ic-solid{width:3rem;height:3rem;border-radius:13px;background:var(--c);color:#fff;font-size:1.45rem}
.cx-cat-title{flex:1;min-width:0}
.cx-cat-title h2{margin:0 0 .25rem;font-size:1.3rem;font-weight:720;letter-spacing:-.02em;line-height:1.25;color:var(--ink)}
.cx-cat-title p{margin:0;max-width:46rem;font-size:.93rem;line-height:1.55;color:var(--mut)}
.cx-cat-side{display:flex;align-items:center;gap:.75rem;flex:none}
.cx-count{font-size:.86rem;color:var(--mut);white-space:nowrap}
.cx-count b{font-size:1.15rem;font-weight:750;color:var(--c);margin-right:.15rem;font-variant-numeric:tabular-nums}
.cx-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem .9rem;border:1px solid #d6deea;border-radius:10px;background:#fff;font-size:.88rem;font-weight:620;color:var(--ink);text-decoration:none;white-space:nowrap;transition:border-color .15s,color .15s}
.cx-btn:hover{border-color:var(--c);color:var(--c)}
.cx-more{display:inline-flex;align-items:center;gap:.35rem;font-size:.9rem;font-weight:620;color:var(--blue-d);text-decoration:none;white-space:nowrap}
.cx-more:hover{text-decoration:underline}
.cx-cat-body{padding:1.35rem 1.6rem 1.5rem}
.cx-sub{display:flex;align-items:center;gap:.4rem;margin:0 0 .7rem;font-size:.74rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--mut)}
.cx-sub span{margin-left:.25rem;padding:.05rem .4rem;border-radius:5px;background:var(--alt);letter-spacing:.04em}
.cx-sub .cx-i{font-size:.95rem;color:#d97706;fill:#fbbf24;stroke:#d97706}
/* most used: featured cards */
.cx-feat{list-style:none;margin:0 0 1.4rem;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}
.cx-feat a{display:flex;align-items:center;gap:.75rem;height:100%;padding:.8rem .9rem;border:1px solid transparent;border-radius:12px;background:var(--t);color:var(--ink);text-decoration:none;transition:border-color .15s}
.cx-feat a:hover{border-color:var(--c)}
.cx-feat .cx-ti{background:#fff}
.cx-feat-t{min-width:0}
.cx-feat strong{display:block;font-size:.92rem;font-weight:650;line-height:1.3}
.cx-feat small{display:block;margin-top:.15rem;font-size:.78rem;color:var(--mut)}
.cx.is-searching .cx-feat,.cx.is-searching .cx-sub-feat{display:none}
/* all calculators: tiles */
.cx-ti{display:grid;place-items:center;flex:none;width:2rem;height:2rem;border-radius:9px;background:var(--t);color:var(--c);font-size:1.02rem}
.cx-tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.55rem}
.cx-tiles li[hidden]{display:none}
.cx:not(.is-open) .cx-tiles.is-collapsed>li:nth-child(n+17){display:none}
.cx-tile{display:flex;align-items:center;gap:.7rem;height:100%;padding:.55rem .7rem;border:1px solid var(--line);border-radius:11px;background:#fff;color:#1e293b;text-decoration:none;transition:border-color .15s,background-color .15s}
.cx-tn{flex:1;min-width:0;font-size:.9rem;font-weight:540;line-height:1.3}
.cx-tile::after{content:"";flex:none;width:.42rem;height:.42rem;margin-right:.2rem;border-top:2px solid var(--c);border-right:2px solid var(--c);transform:translateX(-3px) rotate(45deg);opacity:0;transition:opacity .15s,transform .15s}
.cx-tile:hover{border-color:var(--c);background:#fcfdff}
.cx-tile:hover .cx-tn{color:var(--ink)}
.cx-tile:hover::after{opacity:1;transform:rotate(45deg)}
.cx-toggle{display:flex;align-items:center;justify-content:center;gap:.45rem;width:100%;margin-top:.9rem;padding:.7rem 1rem;border:1px dashed #cdd6e3;border-radius:11px;background:var(--alt);font:inherit;font-size:.9rem;font-weight:620;color:var(--ink);cursor:pointer}
.cx-toggle:hover{border-color:var(--c);color:var(--c)}
.cx-chev{transform:rotate(90deg);transition:transform .15s}
.cx-toggle[aria-expanded="true"] .cx-chev{transform:rotate(-90deg)}
.cx.is-open .cx-toggle{display:none}
.cx-tools{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem}
.cx-tools li[hidden]{display:none}
.cx-tool{display:flex;flex-direction:column;height:100%;padding:1.15rem;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .15s}
.cx-tool:hover{border-color:var(--c)}
.cx-tool .cx-ic{margin-bottom:.8rem;width:2.4rem;height:2.4rem;font-size:1.2rem}
.cx-tool strong{font-size:1rem;font-weight:650;margin:0 0 .3rem}
.cx-tool small{font-size:.88rem;line-height:1.5;color:var(--mut);margin-bottom:.85rem}
.cx-tool em{margin-top:auto;display:inline-flex;align-items:center;gap:.35rem;font-style:normal;font-size:.87rem;font-weight:620;color:var(--blue-d)}
.cx-empty{display:flex;align-items:center;gap:1rem;padding:1.4rem 1.6rem;background:#fff;border:1px dashed #cdd6e3;border-radius:16px}
.cx-empty[hidden]{display:none}
.cx-empty p{margin:0;color:var(--mut);line-height:1.6}
.cx-empty strong{color:var(--ink)}
.cx-empty a{color:var(--blue-d);font-weight:600}

/* bottom sections */
.cx-sec{padding:4rem 0}
.cx-alt{background:var(--alt)}
.cx-sec-head{max-width:40rem;margin-bottom:2rem}
.cx-center{margin-left:auto;margin-right:auto;text-align:center}
.cx-label{display:inline-block;margin-bottom:.5rem;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-d)}
.cx-sec-head h2{margin:0;font-size:clamp(1.45rem,2.2vw,1.8rem);font-weight:720;letter-spacing:-.025em;line-height:1.2;color:var(--ink)}
.cx-sec-head p{margin:.6rem 0 0;font-size:1.02rem;line-height:1.6;color:var(--mut)}
.cx-why{list-style:none;margin:0 0 2.5rem;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.9rem}
.cx-why li{padding:1.3rem;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff 0%,#fafbfd 100%)}
.cx-why .cx-ic{margin-bottom:.9rem}
.cx-why h3{margin:0 0 .35rem;font-size:1.02rem;font-weight:650;color:var(--ink)}
.cx-why p{margin:0;font-size:.92rem;line-height:1.55;color:var(--mut)}
.cx-process{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:1.25rem;align-items:start}
.cx-h3{margin:0 0 1rem;font-size:1.1rem;font-weight:680;color:var(--ink)}
.cx-process-main{padding:1.5rem;border:1px solid var(--line);border-radius:16px;background:#fff}
.cx-steps{list-style:none;margin:0;padding:0}
.cx-steps li{display:flex;gap:1rem;padding:1rem 0;border-top:1px solid #eef1f5}
.cx-steps li:first-child{border-top:0;padding-top:0}
.cx-steps li:last-child{padding-bottom:0}
.cx-step-n{display:grid;place-items:center;flex:none;width:2rem;height:2rem;border-radius:50%;background:var(--blue-t);color:var(--blue-d);font-size:.9rem;font-weight:700}
.cx-steps h3{margin:.2rem 0 .3rem;font-size:1rem;font-weight:650;color:var(--ink)}
.cx-steps p{margin:0;font-size:.92rem;line-height:1.6;color:var(--mut)}
.cx-quality{padding:1.5rem;border:1px solid #d5e0f5;border-radius:16px;background:linear-gradient(160deg,#f1f6ff 0%,#fff 60%)}
.cx-quality ul{list-style:none;margin:0 0 1.2rem;padding:0;display:grid;gap:.7rem}
.cx-quality li{display:flex;gap:.6rem;font-size:.93rem;line-height:1.5;color:#334155}
.cx-quality li .cx-i{margin-top:.2rem;color:#16a34a;stroke-width:2.6}
.cx-faq-wrap{max-width:820px}
.cx-faq{display:grid;gap:.6rem}
.cx-faq details{background:#fff;border:1px solid var(--line);border-radius:12px}
.cx-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.2rem;font-weight:600;font-size:1rem}
.cx-faq summary::-webkit-details-marker{display:none}
.cx-faq summary::after{content:"+";font-size:1.35rem;font-weight:400;line-height:1;color:var(--mut)}
.cx-faq details[open] summary::after{content:"−"}
.cx-faq details p{margin:0;padding:0 1.2rem 1.1rem;color:var(--mut);line-height:1.65}

@media (max-width:1080px){.cx-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}.cx:not(.is-open) .cx-tiles.is-collapsed>li:nth-child(n+16){display:none}.cx-why{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.cx-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.cx:not(.is-open) .cx-tiles.is-collapsed>li:nth-child(n+15){display:none}}
@media (max-width:960px){
  .cx-feat{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cx-hero-grid{grid-template-columns:minmax(0,1fr);gap:2rem}
  .cx-tools{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cx-process{grid-template-columns:1fr}
  .cx-status{display:none}
}
@media (max-width:640px){
  .cx-wrap{padding:0 1rem}
  .cx-hero{padding:1.75rem 0 2.25rem}
  .cx-lede{font-size:1rem}
  .cx-search kbd{display:none}
  .cx-stats{grid-template-columns:repeat(2,auto);row-gap:1rem}
  .cx-stats div:nth-child(3){padding-left:0;border-left:0}
  .cx-index{padding:1rem .8rem .7rem}
  .cx-index a{gap:.45rem;padding:.35rem .3rem}
  .cx-idx-name{font-size:.85rem}
  .cx-bar{top:56px}
  .cx-dir{padding:1.25rem 0 2.5rem}
  .cx-cat{border-radius:14px}
  .cx-cat-head{flex-wrap:wrap;gap:.8rem;padding:1.1rem}
  .cx-ic-solid{width:2.6rem;height:2.6rem;font-size:1.25rem}
  .cx-cat-title{flex-basis:calc(100% - 3.6rem)}
  .cx-cat-side{width:100%;justify-content:space-between}
  .cx-cat-title h2{font-size:1.15rem}
  .cx-cat-body{padding:1rem 1.1rem 1.15rem}
  .cx-feat{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem}
  .cx-feat a{flex-direction:column;align-items:flex-start;gap:.5rem;padding:.75rem}
  .cx-feat small{display:none}
  .cx-feat strong{font-size:.88rem}
  .cx-tiles{grid-template-columns:minmax(0,1fr)}
  .cx:not(.is-open) .cx-tiles.is-collapsed>li:nth-child(n+9){display:none}
  .cx-tools{grid-template-columns:minmax(0,1fr);gap:.6rem}
  .cx-tool{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:.85rem;padding:.95rem}
  .cx-tool .cx-ic{grid-row:span 2;margin:0;width:2.3rem;height:2.3rem}
  .cx-tool small{margin:0}
  .cx-tool em{display:none}
  .cx-why{grid-template-columns:1fr}
  .cx-sec{padding:2.75rem 0}
}
@media (prefers-reduced-motion:reduce){.cx-tool,.cx-tile,.cx-tile::after,.cx-btn,.cx-feat a{transition:none}}