/* Cost To Charge – light, bold, electric blue */
:root{
  --ink:#0d1b2a; --muted:#5b6b7c; --bg:#f4f7fb; --card:#fff; --line:#dfe6ef;
  --blue:#1746ff; --blue-d:#0e2fc0; --lime:#c8ff3d; --good:#0a8f4d; --warn:#c2410c;
  --r:14px; --wrap:1080px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg)}
h1,h2,h3{font-family:'Sora',system-ui,sans-serif;line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700;margin:2.5rem 0 .9rem}
h3{font-size:1.1rem;font-weight:700;margin-bottom:.4rem}
p{margin-bottom:1rem}
a{color:var(--blue)}
ul,ol{padding-left:1.3rem;margin-bottom:1rem} li{margin-bottom:.35rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.narrow{max-width:760px;margin:0 auto}

.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:1rem}
.brand{font-family:'Sora',sans-serif;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;letter-spacing:-.03em}
.brand b{color:var(--blue)}
.brand-mark{background:var(--lime);border-radius:8px;width:30px;height:30px;display:inline-grid;place-items:center;font-size:1rem}
.nav{display:flex;gap:.25rem;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.93rem;padding:.45rem .8rem;border-radius:999px}
.nav a:hover,.nav a.on{background:var(--bg);color:var(--blue)}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink)}

.hero{background:var(--blue);color:#fff;padding:3.5rem 0 6rem;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:var(--lime);opacity:.16}
.hero .wrap{position:relative;z-index:1}
.hero p{font-size:1.15rem;max-width:620px;opacity:.92}
.tag{display:inline-block;background:var(--lime);color:var(--ink);font-weight:600;font-size:.8rem;padding:.3rem .75rem;border-radius:999px;margin-bottom:1rem}
.hero-sm{padding:3rem 0 3rem}
.pull-up{margin-top:-4rem;position:relative;z-index:2}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;box-shadow:0 8px 30px rgba(13,27,42,.06)}
.section{padding:2.5rem 0}
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}

.btn{display:inline-block;font-family:'Sora',sans-serif;font-weight:700;font-size:1rem;padding:.9rem 1.5rem;border-radius:999px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff} .btn-primary:hover{background:var(--blue-d)}
.btn-light{background:var(--lime);color:var(--ink)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--card)}

/* Calculator */
.calc label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.35rem}
.calc select,.calc input{width:100%;padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.calc select:focus,.calc input:focus{outline:3px solid rgba(23,70,255,.25);border-color:var(--blue)}
.calc-fields{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem;margin-bottom:1.25rem}
.hint{font-size:.8rem;color:var(--muted);margin-top:.3rem}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin:1rem 0}
.tile{border:1.5px solid var(--line);border-radius:12px;padding:1rem;background:var(--bg)}
.tile.best{border-color:var(--good);background:#ecfdf3}
.tile small{display:block;color:var(--muted);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;min-height:2.4em}
.tile .big{font-family:'Sora',sans-serif;font-weight:800;font-size:1.7rem;line-height:1.2;display:block}
.tile .sub{font-size:.85rem;color:var(--muted)}
.saving{background:var(--ink);color:#fff;border-radius:12px;padding:1.1rem 1.25rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;margin-top:1rem}
.saving strong{color:var(--lime);font-family:'Sora',sans-serif;font-size:1.25rem}
.saving p{margin:0}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:1rem 0 1.5rem}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:480px}
th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--bg)}
tr:last-child td{border-bottom:0}
td.n{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
tr.best td{background:#ecfdf3}
.good{color:var(--good)} .bad{color:var(--warn)}

.car-list{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}
.car-link{display:flex;justify-content:space-between;gap:.5rem;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.car-link:hover{border-color:var(--blue);color:var(--blue)}
.car-link span{color:var(--good);font-weight:700;white-space:nowrap}
.make-h{font-family:'Sora',sans-serif;font-size:1rem;margin:1.75rem 0 .6rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

.note{background:#fff8e6;border:1px solid #f3dd9c;border-radius:12px;padding:1rem 1.2rem;margin:1.25rem 0;font-size:.95rem}
.note p:last-child{margin:0}
.src{font-size:.82rem;color:var(--muted)} .src a{color:var(--muted)}
.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:.6rem}
.faq summary{cursor:pointer;font-weight:600;padding:1rem 1.2rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;color:var(--blue);font-weight:700}
.faq[open] summary::after{content:'–'}
.faq div{padding:0 1.2rem 1rem}

.cta-band{background:var(--ink);color:#fff;text-align:center;padding:3.5rem 0;margin-top:3rem}
.cta-band h2{margin-top:0} .cta-band p{max-width:600px;margin:0 auto 1.5rem;opacity:.9}
.fine{font-size:.8rem;opacity:.65;margin-top:1rem!important}
.foot{background:#fff;border-top:1px solid var(--line);padding:2.5rem 0 2rem;font-size:.9rem;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;margin-bottom:1.5rem}
.foot nav{display:grid;grid-template-columns:1fr 1fr;gap:.3rem 1rem}
.foot nav a{color:var(--ink);text-decoration:none} .foot nav a:hover{color:var(--blue)}
.foot-note{border-top:1px solid var(--line);padding-top:1.25rem;font-size:.82rem}

@media(max-width:860px){
  .menu-btn{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--card);border-bottom:1px solid var(--line);padding:.75rem 1.25rem;flex-direction:column}
  .nav.open{display:flex}
  .calc-fields{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .g3,.g4,.car-list{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  body{font-size:16px}
  .g2,.g3,.g4,.car-list{grid-template-columns:1fr}
  .hero{padding:2.5rem 0 5rem}
  .card{padding:1.1rem}
  .tile .big{font-size:1.4rem}
}
.calc table{min-width:0}
.calc th,.calc td{padding:.65rem .7rem}