:root{--ink:#17222c;--muted:#64717b;--bg:#f6f7f5;--card:#fff;--soft:#eaf1ec;--line:#dde3df;--accent:#14b8a6;--accent2:#0f766e;--shadow:0 12px 30px rgba(23,34,44,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:inherit}header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{max-width:1120px;margin:auto;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{text-decoration:none;font-weight:850;font-size:21px}.links{display:flex;gap:18px;align-items:center}.links a{text-decoration:none;color:#3c4851;font-weight:600}.links a:hover{color:var(--accent2)}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 11px;font-size:20px}main{max-width:1120px;margin:auto;padding:34px 20px 70px}.hero{background:var(--soft);border-radius:30px;padding:58px 42px;box-shadow:var(--shadow)}.eyebrow{font-size:14px;letter-spacing:.18em;font-weight:800;text-transform:uppercase}.hero h1{font-size:clamp(42px,7vw,72px);line-height:1.02;max-width:780px;margin:15px 0 20px;letter-spacing:-.045em}.hero p{font-size:21px;max-width:720px;color:#34434c}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:white;text-decoration:none;border:0;border-radius:14px;padding:15px 21px;font-weight:800;font-size:16px;cursor:pointer}.btn.alt{background:var(--accent);color:#062b28}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0}.section{margin-top:52px}.muted{color:var(--muted)}.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-weight:750}.field input,.field select{width:100%;padding:12px;border:1px solid #cfd8d4;border-radius:11px;font:inherit;background:#fff}.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.app{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.app-top{display:flex;gap:10px;align-items:center}.app input[type=checkbox]{width:19px;height:19px}.app .details{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.result{margin-top:25px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.metric strong{display:block;font-size:25px}.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}.choice{border:1px solid var(--line);border-radius:18px;padding:19px;background:#fff}.choice.featured{border:2px solid var(--accent)}.choice h3{margin:0 0 8px}.price{font-size:22px;font-weight:850}.products{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.product{background:#fff;border:1px solid var(--line);border-radius:18px;padding:19px;display:flex;flex-direction:column;gap:8px}.product .tag{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--accent2)}.product .specs{color:var(--muted);font-size:14px}.total{font-size:28px;font-weight:900}.note{font-size:13px;color:var(--muted)}footer{max-width:1120px;margin:auto;padding:0 20px 45px;color:var(--muted);font-size:13px}.pill{display:inline-block;background:#edf7f5;color:#08675f;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.hidden{display:none}.bar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}.article{max-width:800px}.article h1{font-size:46px;line-height:1.08}.article h2{margin-top:36px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.disclosure{background:#fff7df;border:1px solid #eadcae;padding:14px;border-radius:14px;font-size:14px}.error{color:#9a3412;background:#fff1eb;border:1px solid #f0c5b5;padding:12px;border-radius:12px}
@media(max-width:800px){.links{display:none;position:absolute;left:12px;right:12px;top:65px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.links.open{display:flex}.links a{padding:9px 10px}.menu{display:block}.hero{padding:40px 25px;border-radius:24px}.hero h1{font-size:47px}.grid,.choices,.products{grid-template-columns:1fr}.formgrid,.apps{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.article h1{font-size:38px}}
footer a{color:inherit;text-decoration:underline;text-underline-offset:3px} footer .note{display:inline-block;margin-top:8px}.disclosure{margin-top:18px;padding:16px;border-radius:14px;background:#f3f7f3;line-height:1.55}
/* Mobile polish */
.page-intro{max-width:820px;padding-top:8px}.page-intro .eyebrow{color:var(--accent2)}.page-intro p{font-size:18px}.section-title{margin:30px 0 6px}.helper{font-size:14px;color:var(--muted);margin:0 0 16px}.app{transition:border-color .18s,box-shadow .18s}.app:has(input[type=checkbox]:checked){border-color:#9edbd4;box-shadow:0 7px 20px rgba(20,184,166,.08)}.app-top label{font-size:17px}.app .details label{display:block;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:4px}.result-explain{margin-top:14px;padding:16px 18px;border-radius:16px;background:#edf7f5;color:#25433f}.result-explain b{color:#0b5f57}.metric span{font-size:14px}.metric small{display:block;color:var(--muted);margin-top:6px;line-height:1.35}.product .btn{margin-top:auto}.cta-hint{margin:10px 0 0;font-size:13px;color:var(--muted)}
@media(max-width:800px){header{position:sticky}.nav{padding:14px 20px}.logo{font-size:20px}main{padding:26px 20px 58px}.page-intro{padding-top:12px}.page-intro h1,.article h1{font-size:38px;line-height:1.06;letter-spacing:-.025em;margin:10px 0 16px}.page-intro p{font-size:17px}.section{margin-top:34px}.card{padding:22px 20px;border-radius:22px}.formgrid{gap:14px}.field select,.field input{min-height:52px}.section-title{font-size:28px;margin-top:30px}.apps{gap:14px}.app{padding:17px 16px;border-radius:18px}.app .details{gap:12px}.app .details input{min-height:44px;border-radius:10px;padding:10px 11px}.btn{min-height:52px;border-radius:14px}.calc-btn{width:100%;margin-top:20px!important}.metrics{gap:10px}.metric{padding:16px 14px}.metric strong{font-size:23px;line-height:1.2}.grid{gap:14px}.result .card h3{font-size:23px}.table th,.table td{padding:11px 8px}.products{gap:12px}.product{padding:18px 16px}.disclosure{font-size:13px}footer{padding-bottom:36px}}

/* SEO guides */
.lead{font-size:20px;color:#3d4b54;line-height:1.65}.quick-answer{margin:24px 0;padding:18px 20px;background:var(--soft);border-left:4px solid var(--accent);border-radius:12px}.seo-article p{font-size:17px}.seo-article h2{font-size:28px;line-height:1.2}.article-cta{margin-top:40px;padding:26px;background:var(--ink);color:#fff;border-radius:22px}.article-cta h2{margin-top:0}.article-cta p{color:#dce5e9}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}.guide-list a{text-decoration:none}.guide-list .card:hover{transform:translateY(-2px);border-color:#a7d8d1}.guide-list .card{transition:.18s ease}.seo-article .table{margin:22px 0}@media(max-width:800px){.lead{font-size:18px}.seo-article p{font-size:16px}.seo-article h2{font-size:25px}.guide-list{grid-template-columns:1fr}.article-cta{padding:22px 19px}}
/* Battery guide enhancements */
.example-box{margin:20px 0;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 18px rgba(23,34,44,.04)}.example-box p{margin:6px 0}.faq{margin-top:18px}.faq h3{font-size:20px;margin:25px 0 6px}.faq p{margin-top:0}.source-note{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:14px!important;color:var(--muted)}.seo-article a{color:var(--accent2);text-underline-offset:3px}.article-cta a{color:#062b28;text-decoration:none}@media(max-width:800px){.example-box{padding:16px}.faq h3{font-size:19px}.seo-article .table{display:block;overflow-x:auto;white-space:normal}}


/* ===== Van Autonomie V3.6 — visual polish ===== */
:root{
  --va-ink:#17221d;
  --va-muted:#66736c;
  --va-green:#267a52;
  --va-green-dark:#195d3d;
  --va-soft:#f1f7f3;
  --va-warm:#fbfaf6;
  --va-line:#dfe8e2;
  --va-shadow:0 12px 34px rgba(26,61,43,.09);
  --va-radius:20px;
}
html{scroll-behavior:smooth}
body{
  color:var(--va-ink);
  background:linear-gradient(180deg,#fff 0,#fbfcfa 55%,#f7faf7 100%);
  line-height:1.65;
}
header{
  background:rgba(255,255,255,.94)!important;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(30,70,49,.08);
}
.nav{min-height:68px}
.logo{font-weight:850;letter-spacing:-.02em}
.links a{font-weight:650;position:relative}
.links a:hover{color:var(--va-green)}
main{overflow:hidden}
.hero{
  position:relative;
  border-radius:0 0 32px 32px;
  background:
    radial-gradient(circle at 85% 18%,rgba(74,160,110,.18),transparent 30%),
    linear-gradient(135deg,#edf8f1 0%,#f8fbf7 58%,#f4f0e6 100%)!important;
  border-bottom:1px solid rgba(38,122,82,.08);
}
.hero h1{
  max-width:820px;
  letter-spacing:-.045em;
  line-height:1.04;
}
.hero p{max-width:700px;color:#53635a;font-size:1.08rem}
.section{padding-top:34px;padding-bottom:34px}
.section>h2,.article h2{letter-spacing:-.025em;line-height:1.15}
.card{
  border:1px solid var(--va-line)!important;
  border-radius:var(--va-radius)!important;
  box-shadow:0 5px 18px rgba(27,57,42,.045);
  background:rgba(255,255,255,.96)!important;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
a.card:hover,.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--va-shadow);
  border-color:#c8ddcf!important;
}
.cards{gap:18px}
.btn{
  border-radius:12px!important;
  font-weight:750!important;
  box-shadow:0 6px 16px rgba(25,93,61,.12);
  transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(25,93,61,.17)}
.btn.alt{background:var(--va-green)!important}
.pill,.eyebrow{
  border-radius:999px;
  font-weight:750;
  letter-spacing:.015em;
}
.callout,.quick-answer,.example-box,.article-cta{
  border-radius:18px!important;
  border:1px solid #d7e8dc!important;
  box-shadow:0 5px 18px rgba(28,65,45,.04);
}
.article{
  max-width:860px!important;
  background:#fff;
  margin-top:28px!important;
  margin-bottom:36px!important;
  padding:clamp(22px,4vw,46px)!important;
  border:1px solid var(--va-line);
  border-radius:26px;
  box-shadow:0 14px 42px rgba(26,61,43,.06);
}
.article .lead{font-size:1.14rem;color:#4d5e54}
.article p{max-width:75ch}
.table{
  overflow:hidden;
  border-radius:14px;
  border:1px solid var(--va-line);
}
.table th{background:#edf6f0!important}
.table tr:nth-child(even) td{background:#fbfdfb}
input,select,textarea{
  border-radius:11px!important;
  border:1px solid #ccd9d1!important;
  background:#fff!important;
}
input:focus,select:focus,textarea:focus{
  outline:3px solid rgba(38,122,82,.12)!important;
  border-color:var(--va-green)!important;
}
footer{
  margin-top:48px;
  border-top:1px solid var(--va-line);
  background:#f3f7f4!important;
  padding-top:34px!important;
  padding-bottom:34px!important;
}
footer a{font-weight:650}
.va-trust-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  max-width:980px;
  margin:22px auto 0;
}
.va-trust-item{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(38,122,82,.12);
  border-radius:15px;
  padding:14px 16px;
  font-size:.94rem;
}
.va-trust-item strong{display:block;margin-bottom:2px}
.va-number{
  display:inline-grid;
  place-items:center;
  width:36px;height:36px;
  border-radius:11px;
  background:#e7f4eb;
  color:var(--va-green-dark);
  font-weight:850;
  margin-bottom:10px;
}
@media(max-width:720px){
  .hero{border-radius:0 0 24px 24px}
  .hero h1{font-size:clamp(2rem,10vw,3rem)}
  .section{padding-top:26px;padding-bottom:26px}
  .article{margin:16px 10px 28px!important;padding:22px 18px!important;border-radius:20px}
  .va-trust-strip{grid-template-columns:1fr;margin:16px 14px 0}
  .card:hover{transform:none}
}

/* V3.7 photography */
.va-photo-hero{
  min-height:520px; display:flex; flex-direction:column; justify-content:center; align-items:flex-start;
  background-image:linear-gradient(90deg,rgba(8,20,18,.84) 0%,rgba(8,20,18,.62) 43%,rgba(8,20,18,.12) 76%),url("van-autonomie-hero.webp")!important;
  background-size:cover!important;background-position:center!important;color:#fff!important;padding-top:70px!important;padding-bottom:70px!important;
}
.va-photo-hero h1{color:#fff!important;max-width:690px;text-shadow:0 2px 18px rgba(0,0,0,.22)}
.va-photo-hero p{color:rgba(255,255,255,.92)!important;max-width:650px}
.va-photo-hero .eyebrow{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff}
.va-photo-hero .btn{background:#fff!important;color:#174f38!important;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.va-case-card{overflow:hidden;padding-top:0!important}
.va-case-card img{width:calc(100% + 2px);height:180px;object-fit:cover;display:block;margin:-1px -1px 18px;border-radius:20px 20px 0 0}
.va-case-card h3,.va-case-card p{margin-left:18px;margin-right:18px}.va-case-card p:last-child{margin-bottom:20px}
@media(max-width:720px){.va-photo-hero{min-height:480px;background-position:62% center!important;padding:56px 20px!important}.va-photo-hero h1{font-size:2.45rem!important}.va-case-card img{height:165px}}

/* ===== V3.8 mobile hero cleanup ===== */
.va-photo-hero{
  background-image:linear-gradient(90deg,rgba(8,20,18,.86) 0%,rgba(8,20,18,.64) 46%,rgba(8,20,18,.12) 80%),url("van-autonomie-hero-v38.webp")!important;
}
@media(max-width:720px){
  main{padding-top:18px!important}
  .va-photo-hero{
    min-height:0!important;
    padding:34px 20px 30px!important;
    border-radius:22px!important;
    background-position:68% center!important;
    background-size:cover!important;
  }
  .va-photo-hero .eyebrow{font-size:.78rem!important;margin-bottom:12px!important}
  .va-photo-hero h1{
    font-size:clamp(2.05rem,9vw,2.65rem)!important;
    line-height:1.04!important;
    max-width:92%!important;
    margin:8px 0 18px!important;
  }
  .va-photo-hero>p:not(.note){
    font-size:1.03rem!important;
    line-height:1.55!important;
    max-width:94%!important;
    margin-bottom:20px!important;
  }
  .va-photo-hero .btn{
    width:auto!important;
    min-height:50px!important;
    padding:13px 18px!important;
    font-size:1rem!important;
  }
  .va-photo-hero .note{
    font-size:.88rem!important;
    line-height:1.5!important;
    max-width:92%!important;
    margin-top:18px!important;
    opacity:.92;
  }
  .va-trust-strip{margin-top:14px!important}
}

/* ===== V3.9 final mobile cleanup ===== */
.va-case-card img{height:150px!important;aspect-ratio:2.73/1;object-fit:cover!important;object-position:center!important;margin-bottom:12px!important}
.va-case-card h3{margin-top:0!important;margin-bottom:8px!important}
.va-case-card p{margin-top:6px!important;margin-bottom:9px!important}
@media(max-width:720px){
  .section{padding-top:22px!important;padding-bottom:22px!important}
  .cards{gap:12px!important}
  .va-case-card{padding-bottom:14px!important}
  .va-case-card img{height:118px!important}
  .va-case-card h3{font-size:1.2rem!important;line-height:1.25!important;margin-left:14px!important;margin-right:14px!important}
  .va-case-card p{font-size:.98rem!important;line-height:1.5!important;margin-left:14px!important;margin-right:14px!important}
  .article{padding:22px 18px!important}
  .article h1{font-size:clamp(2rem,9vw,2.7rem)!important;line-height:1.06!important}
  .article .grid{gap:12px!important}
  .article .grid>.card{padding:18px!important}
  .article .grid>.card h3{margin:0 0 8px!important}
  .article .grid>.card p{margin:6px 0 10px!important}
  footer{margin-top:28px!important;padding:24px 20px 34px!important}
}