:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#122033;
  --heading:#0b1728;
  --muted:#64748b;
  --muted-2:#94a3b8;
  --line:#e2e8f0;
  --line-strong:#cbd5e1;
  --brand:#1f5fae;
  --brand-dark:#17467f;
  --brand-soft:#edf5ff;
  --accent:#0f766e;
  --success:#087443;
  --danger:#b42318;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 4px 14px rgba(15,23,42,.04);
  --shadow-md:0 14px 36px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,select{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}

/* Header */
.site-logo {
  height: 50px;
  width: auto;
  max-width: 200px;
  display: block;
}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(226,232,240,.9);backdrop-filter:blur(14px)}
.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:-.03em;color:var(--heading);font-size:1.06rem}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(145deg,var(--brand),#2d7bc7);color:#fff;font-weight:850;box-shadow:0 6px 16px rgba(31,95,174,.22)}
.main-nav{display:flex;gap:8px;align-items:center}
.main-nav a,.nav-dropbtn{color:#334155;font-size:.93rem;font-weight:600}
.nav-direct,.nav-dropbtn{padding:9px 11px;border-radius:8px}
.main-nav a{text-decoration:none}
.main-nav a:hover,.nav-dropbtn:hover,.nav-dropdown.open .nav-dropbtn,.nav-dropdown:focus-within .nav-dropbtn{color:var(--brand);background:var(--brand-soft)}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 12px;color:var(--heading);font-weight:700;cursor:pointer}
.nav-dropdown{position:relative}
.nav-dropbtn{display:flex;align-items:center;gap:6px;border:0;background:transparent;cursor:pointer}
.chevron{font-size:.82rem;line-height:1;transition:transform .18s ease;color:var(--muted-2)}
.nav-dropdown.open .chevron{transform:rotate(180deg)}
.dropdown-menu{display:none;position:absolute;top:calc(100% + 9px);left:0;min-width:246px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);z-index:60}
.dropdown-menu:before{content:"";position:absolute;top:-6px;left:28px;width:10px;height:10px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}
.dropdown-menu a{display:block;padding:9px 11px;border-radius:8px;white-space:nowrap;font-size:.9rem;color:#475569}
.dropdown-menu a:hover{background:#f3f7fc;color:var(--brand)}
.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu,.nav-dropdown.open .dropdown-menu{display:block}

/* Hero */
.hero{position:relative;overflow:hidden;padding:82px 0 64px;background:linear-gradient(180deg,#fff 0%,#f8fbff 68%,var(--bg) 100%);border-bottom:1px solid #edf1f6}
.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-210px;top:-280px;background:radial-gradient(circle,rgba(31,95,174,.09),rgba(31,95,174,0) 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.11em}
.eyebrow:before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand)}
.hero h1{max-width:760px;font-size:clamp(2.65rem,5.7vw,4.7rem);line-height:1.015;letter-spacing:-.057em;margin:.55rem 0 1.15rem;color:var(--heading);font-weight:800}
.hero p{font-size:1.08rem;color:var(--muted);max-width:700px;margin-bottom:24px}
.search-card{background:rgba(255,255,255,.98);padding:18px;border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:14px;max-width:760px}
.search-card label{display:block;font-weight:750;margin:0 0 8px;color:#334155;font-size:.88rem}
.search-row{display:flex;gap:9px}
.search-row input{flex:1}
.button,.primary-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand);border-radius:9px;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;padding:11px 17px;cursor:pointer;transition:.16s ease;box-shadow:0 3px 8px rgba(31,95,174,.12)}
.button:hover,.primary-btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px)}
.secondary-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:9px;background:#fff;color:#334155;text-decoration:none;font-weight:700;padding:10px 15px;cursor:pointer;transition:.16s ease}
.secondary-btn:hover{background:#f8fafc;border-color:#aeb9c8}
.quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.quick-links:before{content:"Popular:";font-size:.84rem;color:var(--muted);font-weight:650;margin-right:2px}
.quick-links a{font-size:.85rem;text-decoration:none;border:1px solid var(--line);background:#fff;padding:6px 10px;border-radius:8px;color:#475569;transition:.15s ease}
.quick-links a:hover{border-color:#b8c7da;color:var(--brand);background:#f9fbfe}

/* Hero category panel */
.stats{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1fr;gap:0}
.stat{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:12px;padding:15px 14px;border-bottom:1px solid #eef2f6;background:transparent;border-radius:0}
.stat:last-child{border-bottom:0}
.stat strong{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:.98rem;letter-spacing:-.02em}
.stat span{color:#334155;font-size:.93rem;font-weight:700}
.stat small{color:var(--muted);font-size:.78rem}
.stat:after{content:"→";color:#9aabbf;font-weight:700}

/* Sections */
.section{padding:70px 0}
.section.white{background:#fff;border-top:1px solid #eef2f6;border-bottom:1px solid #eef2f6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:28px}
.section h2{font-size:clamp(1.85rem,3.8vw,2.6rem);line-height:1.15;letter-spacing:-.045em;margin:0;color:var(--heading)}
.section-head p{margin:0;color:var(--muted);max-width:590px;font-size:.96rem}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px 20px;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;min-height:150px}
.tool-card:after{content:"→";position:absolute;right:18px;top:17px;color:#a1afc0;font-weight:700;transition:.18s ease}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(15,23,42,.07);border-color:#c8d4e3}
.tool-card:hover:after{color:var(--brand);transform:translateX(2px)}
.tool-card .category{display:inline-block;font-size:.7rem;color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.085em;background:var(--brand-soft);padding:4px 7px;border-radius:6px}
.tool-card h3{margin:12px 0 6px;font-size:1.05rem;letter-spacing:-.015em;color:var(--heading)}
.tool-card p{margin:0;color:var(--muted);font-size:.89rem;line-height:1.55;max-width:90%}
.category-block{margin-top:36px}.category-block h3{font-size:1.08rem}
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.feature h3{margin:0 0 6px;color:var(--heading);font-size:1rem}
.feature p{color:var(--muted);font-size:.92rem;margin:0}
.ad-slot{border:1px solid #e8edf3;background:#fafbfd;color:#a1acba;text-align:center;padding:17px;border-radius:10px;font-size:.69rem;letter-spacing:.12em;text-transform:uppercase;margin:26px 0}

/* Tool pages */
.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start;padding:42px 0 70px}
.breadcrumbs{font-size:.82rem;color:var(--muted);margin-bottom:18px}
.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{color:var(--brand)}
.tool-title{padding-bottom:4px}
.tool-title h1{font-size:clamp(2.2rem,4.8vw,3.45rem);line-height:1.07;letter-spacing:-.052em;margin:.35rem 0 10px;color:var(--heading)}
.tool-title p{color:var(--muted);font-size:1.02rem;max-width:700px;margin:0}
.calculator{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:27px;box-shadow:var(--shadow-sm);margin:26px 0}
.calculator:before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--brand)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field label{display:block;font-size:.84rem;font-weight:750;margin-bottom:7px;color:#334155}
.field input,.field select,.search-row input{width:100%;border:1px solid var(--line-strong);border-radius:9px;padding:11px 12px;background:#fff;color:var(--text);transition:border-color .15s ease,box-shadow .15s ease}
.field input::placeholder,.search-row input::placeholder{color:#9aa8ba}
.field input:focus,.field select:focus,.search-row input:focus{outline:0;border-color:#6b9dd4;box-shadow:0 0 0 4px rgba(31,95,174,.09)}
.actions{display:flex;gap:10px;margin-top:19px;flex-wrap:wrap}
.result-box{margin-top:22px;background:linear-gradient(180deg,#f1f7ff,#f8fbff);border:1px solid #cfe0f4;border-radius:12px;padding:18px}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.result-item{padding-right:10px;border-right:1px solid #d8e5f4}.result-item:last-child{border-right:0}
.result-item span{display:block;color:var(--muted);font-size:.77rem;font-weight:650;margin-bottom:2px}
.result-item strong{font-size:1.3rem;letter-spacing:-.025em;color:var(--heading)}
.result-note{font-size:.82rem;color:var(--muted);margin:11px 0 0;padding-top:10px;border-top:1px solid #dce8f5}
.article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 1px 2px rgba(15,23,42,.025)}
.article h2{margin-top:2rem;letter-spacing:-.03em;color:var(--heading);font-size:1.45rem}.article h2:first-child{margin-top:0}
.article h3{margin-top:1.55rem;color:var(--heading)}
.article p,.article li{color:#526174;font-size:.96rem}
.article li+li{margin-top:4px}
.formula{background:#f7f9fc;border:1px solid var(--line);border-left:3px solid var(--brand);padding:15px 16px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto;color:#26364b}
.faq{border-top:1px solid var(--line);padding:16px 0}.faq:first-of-type{border-top:0}.faq strong{display:block;margin-bottom:4px;color:#26364b}
.sidebar{position:sticky;top:96px}
.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.02)}
.sidebar-card h3{margin:0 0 9px;font-size:.92rem;color:var(--heading);text-transform:uppercase;letter-spacing:.06em}
.sidebar-card a{display:flex;align-items:center;justify-content:space-between;text-decoration:none;color:#475569;padding:9px 0;border-bottom:1px solid #eff3f7;font-size:.89rem}.sidebar-card a:after{content:"›";color:#a5b1c0}.sidebar-card a:hover{color:var(--brand)}.sidebar-card a:last-child{border:0}

/* Static pages */
.page-shell{padding:52px 0 74px}
.page-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px;max-width:880px;box-shadow:var(--shadow-sm)}
.page-card h1{font-size:2.55rem;line-height:1.08;letter-spacing:-.05em;margin:0 0 18px;color:var(--heading)}
.page-card h2{color:var(--heading);letter-spacing:-.025em}
.page-card p,.page-card li{color:#526174}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.notice{background:#fff9e9;border:1px solid #f2dfaa;padding:14px 16px;border-radius:9px;color:#795c08}

/* Search */
.hidden{display:none!important}
.search-results{margin-top:9px;border:1px solid var(--line);background:#fff;border-radius:10px;overflow:hidden;max-height:280px;overflow-y:auto;box-shadow:0 10px 26px rgba(15,23,42,.07)}
.search-results a{display:block;padding:10px 12px;text-decoration:none;border-bottom:1px solid #eef2f6;font-size:.9rem}.search-results a:last-child{border:0}.search-results a:hover{background:#f7faff}
.small{font-size:.84rem;color:var(--muted)}

/* Footer */
.footer-logo {
  height: 50px;
  width: auto;
  max-width: 250px;
  display: block;
}
.site-footer{background:#0e1b2b;color:#c4ced9;padding:48px 0 22px;border-top:1px solid #182a3f}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.footer-grid p{max-width:430px;color:#91a1b4;font-size:.9rem}
.footer-grid h3{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.09em}
.footer-grid a{display:block;color:#a8b5c5;text-decoration:none;margin:8px 0;font-size:.88rem}.footer-grid a:hover{color:#fff}
.footer-brand{color:#fff}
.footer-bottom{border-top:1px solid #22364c;margin-top:30px;padding-top:18px;color:#7f91a5;font-size:.8rem}

@media(max-width:940px){
  .hero-grid,.tool-layout{grid-template-columns:1fr}
  .hero-grid{gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border:1px solid #eef2f6;margin:5px;border-radius:10px}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .sidebar{display:none}
}
@media(max-width:720px){
  .container{width:min(100% - 28px,1160px)}
  .nav-wrap{min-height:64px}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 14px 16px;flex-direction:column;align-items:stretch;box-shadow:0 12px 24px rgba(15,23,42,.08)}
  .main-nav.open{display:flex}.menu-btn{display:block}
  .nav-dropdown{width:100%}.nav-dropbtn{width:100%;justify-content:space-between;padding:10px;font-weight:700}.nav-direct{width:100%;padding:10px}
  .dropdown-menu{position:static;min-width:0;width:100%;box-shadow:none;border:0;border-left:2px solid #dbe5f0;border-radius:0;margin:0 0 5px 8px;padding:2px 0 2px 9px}.dropdown-menu:before{display:none}
  .nav-dropdown:hover .dropdown-menu{display:none}.nav-dropdown.open .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{display:block}.dropdown-menu a{white-space:normal;padding:8px 10px}
  .hero{padding:58px 0 46px}.hero h1{font-size:2.72rem}.hero p{font-size:1rem}.search-row{flex-direction:column}.button{width:100%}
  .stats{grid-template-columns:1fr}.stat{margin:3px}
  .tool-grid,.feature-row,.form-grid,.result-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .result-item{border-right:0;border-bottom:1px solid #d8e5f4;padding:0 0 10px}.result-item:last-child{border-bottom:0;padding-bottom:0}
  .section{padding:52px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:22px}
  .calculator,.article,.page-card{padding:22px}.calculator:before{top:20px;bottom:20px}
  .tool-layout{padding-top:30px;gap:22px}.page-shell{padding-top:34px}
}
@media(max-width:420px){.hero h1{font-size:2.38rem}.brand{font-size:1rem}.brand-mark{width:32px;height:32px}.quick-links:before{width:100%}.tool-card{min-height:0}}




:root{
  --bg:#f6f5f1;
  --surface:#ffffff;
  --surface-2:#f1f2ef;
  --text:#1d2732;
  --heading:#0f1f2d;
  --muted:#66727d;
  --muted-2:#8b949d;
  --line:#dfe2e3;
  --line-strong:#cbd0d3;
  --brand:#173f63;
  --brand-dark:#0f304e;
  --brand-soft:#eef3f6;
  --radius:5px;
  --radius-lg:5px;
  --shadow-sm:none;
  --shadow-md:0 10px 24px rgba(23,35,47,.09);
}

body{
  font-family:"Segoe UI",Inter,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}

/* Header */
.site-header{
  background:rgba(250,249,246,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.nav-wrap{min-height:68px}
.brand{font-weight:750;letter-spacing:-.02em}
.brand-mark{
  width:31px;height:31px;border-radius:4px;
  background:var(--brand);box-shadow:none;font-size:.9rem;
}
.main-nav{gap:3px}
.nav-direct,.nav-dropbtn{padding:8px 9px;border-radius:4px}
.main-nav a:hover,.nav-dropbtn:hover,
.nav-dropdown.open .nav-dropbtn,.nav-dropdown:focus-within .nav-dropbtn{
  color:var(--brand);background:#ecefec;
}
.menu-btn{border-radius:4px;background:transparent}
.dropdown-menu{
  border:1px solid var(--line-strong);
  border-radius:5px;padding:6px;
  box-shadow:0 12px 26px rgba(23,35,47,.11);
}
.dropdown-menu:before{display:none}
.dropdown-menu a{border-radius:3px}
.dropdown-menu a:hover{background:#f2f3f1}

/* Hero */
.hero{
  padding:72px 0 58px;
  background:#faf9f6;
  border-bottom:1px solid var(--line);
}
.hero:before{display:none}
.hero-grid{
  grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);
  gap:64px;align-items:start;
}
.eyebrow{
  font-size:.73rem;
  color:var(--brand);
  letter-spacing:.13em;
}
.eyebrow:before{display:none}
.hero h1{
  max-width:700px;
   font-size:clamp(2.55rem,5vw,4.1rem);
  line-height:1.04;
  letter-spacing:-.046em;
  font-weight:720;
  margin:.7rem 0 1.05rem;
}
.hero p{font-size:1.04rem;margin:0 0 26px}

/* Search is a utility form, not a floating box */
.search-card{
  max-width:720px;
  background:transparent;
  padding:18px 0 0;
  border:0;
  border-top:1px solid var(--line);
  border-radius:0;
  box-shadow:none;
}
.button,.primary-btn{
  border-radius:5px;
  box-shadow:none;
  padding:10px 16px;
}
.button:hover,.primary-btn:hover{transform:none}
.secondary-btn{border-radius:5px}
.field input,.field select,.search-row input{border-radius:4px}

/* Popular links become plain text links */
.quick-links{gap:0}
.quick-links:before{margin-right:10px}
.quick-links a{
  border:0;
  border-right:1px solid var(--line);
  background:transparent;
  border-radius:0;
  padding:2px 11px;
}
.quick-links a:last-child{border-right:0}
.quick-links a:hover{
  border-color:var(--line);
  background:transparent;
  text-decoration:underline;
}

/* Category summary — flat directory rows */
.stats{
  background:transparent;
  border:0;
  border-top:2px solid var(--heading);
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:0;
  box-shadow:none;
  display:block;
}
.stat{
  grid-template-columns:50px 1fr auto;
  padding:17px 0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  margin:0;
}
.stat:last-child{border-bottom:0}
.stat strong{
  display:block;
  width:auto;height:auto;
  border-radius:0;
  background:transparent;
  color:var(--brand);
  font-size:.83rem;
  letter-spacing:.08em;
}
.stat small{font-weight:500}
.stat:after{content:"↗"}

/* Sections */
.section{padding:64px 0}
.section.white{
  background:#fbfbf9;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section h2{
  font-size:clamp(1.75rem,3.4vw,2.35rem);
  font-weight:700;
  letter-spacing:-.035em;
}
.section-head{gap:30px}

/* Tools now look like a reference directory, not cards */
.tool-grid{
  gap:0 28px;
  border-top:1px solid var(--line-strong);
}
.tool-card{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:20px 34px 20px 0;
  min-height:137px;
  box-shadow:none;
}
.tool-card:after{
  content:"›";
  right:8px;top:21px;
  color:#8d98a1;
}
.tool-card:hover{
  transform:none;
  box-shadow:none;
  border-color:var(--line);
  background:rgba(255,255,255,.35);
}
.tool-card .category{
  background:transparent;
  padding:0;
  border-radius:0;
  color:#707b85;
  font-size:.67rem;
  letter-spacing:.10em;
}
.tool-card h3{margin:8px 0 5px}
.feature-row{
  gap:28px;
  border-top:1px solid var(--line-strong);
}
.feature{
  background:transparent;
  border:0;
  border-radius:0;
  padding:20px 0;
}
.ad-slot{
  background:transparent;
  border:0;
  border-top:1px dashed #d6d9d9;
  border-bottom:1px dashed #d6d9d9;
  border-radius:0;
  padding:14px 0;
}

/* Tool pages */
.tool-layout{
  grid-template-columns:minmax(0,1fr) 270px;
  gap:50px;
}
.tool-title h1{
  font-size:clamp(2.15rem,4.5vw,3.25rem);
  font-weight:720;
  letter-spacing:-.045em;
}

/* Calculator = work area */
.calculator{
  background:#f1f2ef;
  border:0;
  border-top:2px solid var(--heading);
  border-bottom:1px solid var(--line-strong);
  border-radius:0;
  padding:25px 24px;
  box-shadow:none;
}
.calculator:before{display:none}
.result-box{
  background:#fff;
  border:0;
  border-top:2px solid var(--brand);
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:17px 0 5px;
}
.result-item{border-color:var(--line)}
.result-note{border-color:var(--line)}

/* Explanatory content is part of the page, not another card */
.article{
  background:transparent;
  border:0;
  border-top:1px solid var(--line-strong);
  border-radius:0;
  padding:26px 0 0;
  box-shadow:none;
}
.formula{
  background:#efefec;
  border:0;
  border-left:3px solid var(--brand);
  border-radius:0;
}

/* Sidebar */
.sidebar{
  border-left:1px solid var(--line-strong);
  padding-left:22px;
}
.sidebar-card{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:0 0 24px;
  margin:0 0 24px;
  box-shadow:none;
}
.sidebar-card:last-child{border-bottom:0}
.sidebar-card h3{
  font-size:.78rem;
  color:#6d7881;
  letter-spacing:.11em;
}

/* Static pages */
.page-card{
  background:transparent;
  border:0;
  border-top:2px solid var(--heading);
  border-radius:0;
  padding:28px 0;
  box-shadow:none;
}
.notice{
  border-radius:0;
  border:0;
  border-left:3px solid #ad8b40;
  background:#f4efe1;
}

/* Search result dropdown stays functional but understated */
.search-results{
  border-radius:4px;
  border-color:var(--line-strong);
  box-shadow:0 10px 22px rgba(18,29,39,.08);
}
.search-results a:hover{background:#f3f3f0}

/* Footer */
.site-footer{
  background:#17232d;
  border-top:1px solid #25343f;
}
.footer-grid h3{letter-spacing:.11em}

@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stats{max-width:720px}
}
@media(max-width:720px){
  .nav-wrap{min-height:62px}
  .main-nav{
    top:62px;
    background:#faf9f6;
    box-shadow:0 10px 20px rgba(20,30,40,.07);
  }
  .dropdown-menu{
    border-left:1px solid var(--line-strong);
    border-radius:0;
  }
  .hero{padding:52px 0 44px}
  .hero h1{font-size:2.65rem}
  .tool-grid{border-top:1px solid var(--line-strong)}
  .calculator{padding:21px 18px}
}
@media(max-width:420px){
  .hero h1{font-size:2.32rem}
  .quick-links a{padding-left:0;padding-right:10px;margin-right:10px}
}


/* V5 Vehicle / Fuel Calculator */
.vehicle-feature{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  padding:28px 0 6px;
  border-top:2px solid var(--heading);
}
.vehicle-feature h3{
  margin:7px 0 8px;
  color:var(--heading);
  font-size:1.45rem;
  letter-spacing:-.025em;
}
.vehicle-feature p{color:var(--muted);max-width:620px;margin:0 0 20px}
.vehicle-label{
  font-size:.7rem;font-weight:800;text-transform:uppercase;
  letter-spacing:.12em;color:var(--brand)
}
.vehicle-metrics{
  display:grid;grid-template-columns:1fr 1fr;
  border-top:1px solid var(--line-strong);
  border-left:1px solid var(--line-strong);
}
.vehicle-metrics div{
  min-height:105px;padding:18px;
  border-right:1px solid var(--line-strong);
  border-bottom:1px solid var(--line-strong);
  background:rgba(255,255,255,.38)
}
.vehicle-metrics strong{display:block;color:var(--heading);font-size:1.3rem;letter-spacing:-.025em}
.vehicle-metrics span{display:block;color:var(--muted);font-size:.82rem;margin-top:3px}

.fuel-calculator{padding-top:0}
.fuel-tabs{
  display:flex;gap:0;overflow-x:auto;
  border-bottom:1px solid var(--line-strong);
  margin:0 -24px 24px;
  padding:0 24px;
  scrollbar-width:thin;
}
.fuel-tab{
  appearance:none;border:0;border-bottom:2px solid transparent;
  background:transparent;color:#66727d;font-weight:700;
  white-space:nowrap;padding:16px 15px 13px;cursor:pointer;
}
.fuel-tab:first-child{padding-left:0}
.fuel-tab:hover{color:var(--heading)}
.fuel-tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.fuel-panel{display:none}
.fuel-panel.active{display:block}
.fuel-intro{
  display:flex;justify-content:space-between;gap:22px;
  padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)
}
.fuel-intro strong{color:var(--heading)}
.fuel-intro span{color:var(--muted);font-size:.87rem;text-align:right;max-width:430px}
.fuel-result{
  margin-top:22px;
  border-top:2px solid var(--brand);
  background:#fff;
  padding:18px 0 0;
}
.fuel-hero-result{
  display:flex;justify-content:space-between;align-items:end;gap:20px;
  padding:0 0 16px;border-bottom:1px solid var(--line)
}
.fuel-hero-result span{color:var(--muted);font-size:.82rem;font-weight:700}
.fuel-hero-result strong{
  color:var(--heading);font-size:clamp(1.8rem,4vw,2.55rem);
  line-height:1;letter-spacing:-.04em;text-align:right
}
.fuel-result-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line)
}
.fuel-result-grid>div{
  padding:14px 14px 14px 0;
  margin-right:14px;
  border-right:1px solid var(--line)
}
.fuel-result-grid>div:last-child{border-right:0;margin-right:0}
.fuel-result-grid span{display:block;color:var(--muted);font-size:.74rem;margin-bottom:3px}
.fuel-result-grid strong{display:block;color:#273541;font-size:.98rem}
.fuel-result>p{color:var(--muted);font-size:.8rem;margin:10px 0 0}
.fuel-error{color:#8f332f;padding-bottom:16px;font-weight:650}

@media(max-width:940px){
  .vehicle-feature{grid-template-columns:1fr;gap:26px}
}
@media(max-width:720px){
  .fuel-tabs{margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px}
  .fuel-intro{display:block}
  .fuel-intro span{display:block;text-align:left;margin-top:5px}
  .fuel-hero-result{display:block}
  .fuel-hero-result strong{display:block;text-align:left;margin-top:6px}
  .fuel-result-grid{grid-template-columns:1fr 1fr}
  .fuel-result-grid>div:nth-child(2){border-right:0}
  .fuel-result-grid>div{border-bottom:1px solid var(--line)}
  .vehicle-metrics div{min-height:88px}
}


/* ==========================================================
   V6 — QUIET PREMIUM / EDITORIAL UTILITY DESIGN
   ========================================================== */

:root{
  --bg:#f2f0ea;
  --surface:#fbfaf7;
  --surface-2:#eceae4;
  --text:#24313a;
  --heading:#102431;
  --muted:#68747c;
  --muted-2:#89939a;
  --line:#d7d6d1;
  --line-strong:#bbbdbb;
  --brand:#154b67;
  --brand-dark:#0d3449;
  --brand-soft:#e8f0f3;
  --ink:#102431;
  --warm:#b58a54;
  --radius:3px;
  --radius-lg:3px;
  --shadow-sm:none;
  --shadow-md:0 16px 38px rgba(24,35,42,.08);
}

html{scroll-padding-top:88px}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Arial,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.68;
}
.container{width:min(1140px,calc(100% - 44px))}

/* Use an editorial headline face without external font dependencies */
.hero h1,.section h2,.tool-title h1,.page-card h1,
.vehicle-feature h3,.article h2{
  font-family:Georgia,"Times New Roman",serif;
}

/* ---------- header ---------- */
.site-header{
  background:rgba(242,240,234,.96);
  border-bottom:1px solid #cfcec8;
  backdrop-filter:blur(12px);
}
.nav-wrap{min-height:72px}
.brand{
  font-size:1.05rem;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.025em;
}
.brand-mark{
  width:30px;height:30px;
  background:transparent;
  border:1.5px solid var(--ink);
  color:var(--ink);
  border-radius:50%;
  font-size:.76rem;
  box-shadow:none;
}
.main-nav{gap:8px}
.main-nav a,.nav-dropbtn{
  font-size:.88rem;
  color:#46535c;
  font-weight:650;
}
.nav-direct,.nav-dropbtn{
  position:relative;
  border-radius:0;
  padding:9px 3px;
  margin:0 4px;
}
.main-nav a:hover,.nav-dropbtn:hover,
.nav-dropdown.open .nav-dropbtn,.nav-dropdown:focus-within .nav-dropbtn{
  background:transparent;
  color:var(--ink);
}
.nav-direct:after,.nav-dropbtn:after{
  content:"";
  position:absolute;left:3px;right:3px;bottom:5px;height:1px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .16s ease;
}
.nav-direct:hover:after,.nav-dropdown:hover .nav-dropbtn:after,
.nav-dropdown.open .nav-dropbtn:after{transform:scaleX(1)}
.chevron{font-size:.7rem}
.dropdown-menu{
  top:calc(100% + 6px);
  min-width:228px;
  border:1px solid #c8c9c5;
  border-radius:2px;
  padding:7px;
  background:#fdfcf9;
  box-shadow:0 14px 32px rgba(20,31,38,.10);
}
.dropdown-menu a{
  padding:8px 9px;
  border-radius:1px;
  font-size:.86rem;
}
.dropdown-menu a:hover{background:#efeee9}

/* ---------- hero ---------- */
.hero{
  background:#f7f5ef;
  padding:84px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);
  gap:74px;
  align-items:center;
}
.eyebrow{
  color:#59666f;
  font-size:.69rem;
  letter-spacing:.16em;
  font-weight:800;
}
.hero h1{
  font-weight:500;
  font-size:clamp(3rem,5.8vw,5.15rem);
  line-height:.98;
  letter-spacing:-.052em;
  max-width:800px;
  color:var(--ink);
  margin:.78rem 0 1.18rem;
}
.hero p{
  max-width:690px;
  color:#59666f;
  font-size:1.03rem;
  line-height:1.72;
}
.search-card{
  max-width:700px;
  margin-top:25px;
  padding-top:17px;
  border-top:1px solid #c9c8c2;
}
.search-card label{
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.11em;
  color:#606b72;
}
.search-row{gap:0}
.search-row input{
  min-height:48px;
  border:1px solid #bdc0bf;
  border-right:0;
  border-radius:2px 0 0 2px;
  background:#fdfcf9;
  padding-left:14px;
}
.search-row .button{
  min-height:48px;
  border-radius:0 2px 2px 0;
  padding-inline:20px;
}
.quick-links{
  margin-top:14px;
  font-size:.84rem;
}
.quick-links:before{
  content:"Often used";
  color:#78828a;
  letter-spacing:.04em;
  font-size:.75rem;
}
.quick-links a{
  color:#46565f;
  padding:0 10px;
}
.quick-links a:hover{color:var(--brand)}

/* Right-side category index */
.stats{
  border-top:1px solid #9ea3a2;
  border-bottom:1px solid #c7c7c2;
  background:transparent;
}
.stats:before{
  content:"Browse by category";
  display:block;
  padding:0 0 12px;
  color:#7a858c;
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.15em;
  text-transform:uppercase;
}
.stat{
  grid-template-columns:42px 1fr 18px;
  padding:15px 0;
  transition:padding .15s ease;
}
.stat:hover{padding-left:5px}
.stat strong{
  color:#8a735b;
  font-size:.77rem;
  letter-spacing:.08em;
}
.stat span{
  font-size:.9rem;
  color:#263943;
}
.stat small{
  color:#7b858c;
  font-size:.73rem;
}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section.white{
  background:#f8f7f3;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  margin-bottom:31px;
  padding-bottom:17px;
  border-bottom:1px solid #c7c8c4;
}
.section h2{
  font-size:clamp(2rem,3.7vw,2.75rem);
  font-weight:500;
  line-height:1.08;
  color:var(--ink);
}
.section-head p{
  color:#69757d;
  font-size:.91rem;
  max-width:510px;
}

/* ---------- tool directory ---------- */
.tool-grid{
  grid-template-columns:repeat(2,1fr);
  gap:0 52px;
  border-top:0;
  counter-reset:tools;
}
.tool-card{
  counter-increment:tools;
  display:grid;
  grid-template-columns:46px 1fr 22px;
  grid-template-rows:auto auto;
  column-gap:12px;
  min-height:128px;
  padding:22px 0;
  border-bottom:1px solid #d0d1cd;
  background:transparent;
}
.tool-card:before{
  content:counter(tools, decimal-leading-zero);
  grid-column:1;
  grid-row:1 / 3;
  color:#9a896f;
  font-family:Georgia,"Times New Roman",serif;
  font-size:.86rem;
  padding-top:3px;
}
.tool-card:after{
  grid-column:3;
  grid-row:1 / 3;
  align-self:center;
  position:static;
  color:#7e8a91;
  font-size:1.2rem;
}
.tool-card .category{
  grid-column:2;
  grid-row:1;
  font-size:.62rem;
  line-height:1;
  letter-spacing:.12em;
  color:#7b858c;
  margin-bottom:7px;
}
.tool-card h3{
  grid-column:2;
  grid-row:2;
  font-family:Arial,"Helvetica Neue",sans-serif;
  font-size:1rem;
  font-weight:750;
  margin:0 0 5px;
}
.tool-card p{
  grid-column:2;
  grid-row:3;
  margin-top:2px;
  font-size:.83rem;
  max-width:92%;
}
.tool-card:hover{
  background:transparent;
}
.tool-card:hover h3{color:var(--brand)}
.tool-card:hover:after{transform:translateX(3px)}

/* ---------- featured vehicle section ---------- */
#vehicle.section.white{
  background:#132b38;
  color:#fff;
  border:0;
}
#vehicle .section-head{
  border-color:rgba(255,255,255,.18);
}
#vehicle .eyebrow,#vehicle .section-head p{color:#b7c5cc}
#vehicle .section-head h2{color:#fff}
.vehicle-feature{
  border-top:0;
  grid-template-columns:1fr .85fr;
  gap:70px;
  padding:8px 0 0;
}
.vehicle-feature h3{
  color:#fff;
  font-size:2rem;
  font-weight:500;
  line-height:1.12;
}
.vehicle-feature p{
  color:#b8c4ca;
  max-width:590px;
}
.vehicle-label{
  color:#d6b98e;
  letter-spacing:.13em;
}
.vehicle-feature .primary-btn{
  background:#f7f2e8;
  color:#172a34;
  border-color:#f7f2e8;
}
.vehicle-feature .primary-btn:hover{
  background:#fff;
  border-color:#fff;
}
.vehicle-metrics{
  border-color:rgba(255,255,255,.19);
}
.vehicle-metrics div{
  background:transparent;
  border-color:rgba(255,255,255,.19);
  min-height:112px;
}
.vehicle-metrics strong{
  color:#fff;
  font-family:Georgia,"Times New Roman",serif;
  font-weight:500;
  font-size:1.45rem;
}
.vehicle-metrics span{color:#9fb0b8}

/* ---------- feature row ---------- */
.feature-row{
  border-top:1px solid #bfc1bd;
  gap:42px;
}
.feature{
  padding:23px 0 5px;
}
.feature h3{
  font-size:.95rem;
  letter-spacing:.01em;
}
.feature p{font-size:.86rem}

/* ---------- ads ---------- */
.ad-slot{
  padding:13px 0;
  color:#a1a5a5;
  border-color:#cecfcc;
  font-size:.6rem;
  letter-spacing:.15em;
}

/* ---------- tool pages ---------- */
.tool-layout{
  grid-template-columns:minmax(0,1fr) 250px;
  gap:58px;
  padding-top:46px;
}
.breadcrumbs{
  color:#7f898f;
  font-size:.76rem;
  margin-bottom:23px;
}
.tool-title .eyebrow{
  color:#748087;
}
.tool-title h1{
  font-size:clamp(2.65rem,5vw,4.25rem);
  font-weight:500;
  line-height:1;
  max-width:800px;
}
.tool-title p{
  color:#65727a;
  font-size:.98rem;
  line-height:1.7;
}

/* Calculator work surface */
.calculator{
  background:#e9e8e2;
  border-top:1px solid #9ea5a4;
  border-bottom:1px solid #c3c5c2;
  padding:28px 26px;
  margin-top:31px;
}
.field label{
  color:#48555d;
  font-size:.76rem;
  text-transform:none;
  letter-spacing:.015em;
}
.field input,.field select{
  min-height:45px;
  border-color:#b8bcbb;
  background:#faf9f6;
}
.field input:focus,.field select:focus{
  border-color:#668397;
  box-shadow:0 0 0 2px rgba(21,75,103,.08);
}
.primary-btn,.button{
  background:var(--ink);
  border-color:var(--ink);
}
.primary-btn:hover,.button:hover{
  background:var(--brand);
  border-color:var(--brand);
}
.secondary-btn{
  background:transparent;
  border-color:#aeb4b3;
}
.secondary-btn:hover{background:#f4f2ed}

.result-box{
  border-top:1px solid #778e9b;
  background:transparent;
  padding-top:19px;
}
.result-item strong{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:500;
  font-size:1.35rem;
}

/* Fuel tool refinement */
.fuel-tabs{
  border-color:#bbbeba;
}
.fuel-tab{
  color:#6c777e;
  padding-top:17px;
  padding-bottom:14px;
}
.fuel-tab.active{
  color:var(--ink);
  border-bottom-color:var(--ink);
}
.fuel-intro{
  border-color:#cacbc7;
}
.fuel-intro strong{
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.08rem;
  font-weight:500;
}
.fuel-result{
  border-top:1px solid #728997;
  background:transparent;
}
.fuel-hero-result strong{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:500;
  color:var(--ink);
}
.fuel-result-grid{border-color:#c7c9c5}
.fuel-result-grid>div{border-color:#c7c9c5}

/* ---------- editorial content ---------- */
.article{
  padding-top:31px;
  border-top:1px solid #bfc2bf;
}
.article h2{
  color:var(--ink);
  font-size:1.65rem;
  font-weight:500;
  line-height:1.2;
}
.article h3{font-size:1rem}
.article p,.article li{
  color:#58656d;
  font-size:.93rem;
  max-width:780px;
}
.formula{
  background:#e8e5de;
  border-left:2px solid #7e7466;
  color:#32414b;
  font-size:.88rem;
}
.faq{border-color:#d0d1cd}

/* ---------- sidebar ---------- */
.sidebar{
  top:96px;
  border-left:1px solid #c7c9c6;
  padding-left:24px;
}
.sidebar-card h3{
  font-size:.65rem;
  letter-spacing:.14em;
  color:#818a90;
}
.sidebar-card{
  border-color:#d1d2ce;
}
.sidebar-card a{
  font-size:.83rem;
  color:#53616a;
  border-color:#dedfdb;
}
.sidebar-card a:hover{color:var(--brand)}

/* ---------- pages ---------- */
.page-card{
  border-top:1px solid #9ea5a4;
}
.page-card h1{
  font-size:3.2rem;
  font-weight:500;
}
.page-card h2{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:500;
}
.notice{
  background:#ebe5d7;
  border-left:2px solid #9d7f55;
}

/* ---------- footer ---------- */
.site-footer{
  background:#182831;
  padding-top:50px;
}
.footer-brand .brand-mark{
  color:#fff;
  border-color:#fff;
  background:transparent;
}
.footer-grid h3{
  font-size:.63rem;
  letter-spacing:.15em;
  color:#aebcc3;
}
.footer-grid a{font-size:.84rem}
.footer-grid p{color:#94a4ac}
.footer-bottom{color:#778a94}

/* Small interaction polish — no flashy animation */
.tool-card,.stat,.nav-direct,.nav-dropbtn,.primary-btn,.secondary-btn{
  transition:color .15s ease,background .15s ease,border-color .15s ease,transform .15s ease;
}

@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .stats{max-width:720px}
  .vehicle-feature{grid-template-columns:1fr;gap:34px}
}
@media(max-width:720px){
  .container{width:min(100% - 28px,1140px)}
  .main-nav{
    background:#f5f3ed;
    box-shadow:0 12px 24px rgba(20,30,36,.08);
  }
  .nav-direct,.nav-dropbtn{margin:0;padding:9px 4px}
  .nav-direct:after,.nav-dropbtn:after{display:none}
  .hero{padding:58px 0 48px}
  .hero h1{font-size:2.8rem}
  .search-row{display:grid;grid-template-columns:1fr auto}
  .search-row input{border-right:0}
  .tool-grid{grid-template-columns:1fr}
  .tool-card{grid-template-columns:38px 1fr 18px}
  .section{padding:54px 0}
  .section-head{border-bottom:0;padding-bottom:0}
  .vehicle-metrics{grid-template-columns:1fr 1fr}
  .calculator{padding:22px 18px}
  .tool-layout{padding-top:31px}
}
@media(max-width:480px){
  .hero h1{font-size:2.48rem}
  .search-row{grid-template-columns:1fr}
  .search-row input{
    border-right:1px solid #bdc0bf;
    border-radius:2px;
  }
  .search-row .button{border-radius:2px}
  .quick-links:before{width:100%;margin-bottom:7px}
  .vehicle-metrics{grid-template-columns:1fr 1fr}
}


/* ==========================================================
   
   ========================================================== */

:root{
  --font-ui: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body{
  font-family:var(--font-ui);
  font-size:16px;
  letter-spacing:0;
}

/* Remove editorial serif treatment from all headings */
h1,h2,h3,h4,h5,h6,
.hero h1,
.section h2,
.tool-title h1,
.page-card h1,
.vehicle-feature h3,
.article h2,
.result-item strong,
.fuel-hero-result strong,
.vehicle-metrics strong{
  font-family:var(--font-ui);
}

/* Keep headings clean and modern */
.hero h1{
  font-weight:750;
  letter-spacing:-.045em;
  line-height:1.02;
}

.section h2{
  font-weight:720;
  letter-spacing:-.032em;
}

.tool-title h1{
  font-weight:740;
  letter-spacing:-.04em;
}

.page-card h1{
  font-weight:740;
  letter-spacing:-.038em;
}

.vehicle-feature h3{
  font-weight:720;
  letter-spacing:-.025em;
}

.article h2{
  font-weight:720;
  letter-spacing:-.022em;
}

.result-item strong,
.fuel-hero-result strong,
.vehicle-metrics strong{
  font-weight:760;
  letter-spacing:-.02em;
}

/* Slightly cleaner body sizing */
.hero p,
.section-head p,
.tool-title p,
.article p,
.article li,
.feature p,
.tool-card p{
  letter-spacing:0;
}

/* Make navigation feel more conventional */
.brand{
  font-weight:800;
  letter-spacing:-.02em;
}

.main-nav a,
.nav-dropbtn{
  font-weight:650;
}

/* Tool directory numbering no longer serif */
.tool-card:before{
  font-family:var(--font-ui);
  font-weight:700;
  font-size:.78rem;
}

/* Fuel section numbers */
.vehicle-metrics strong{
  font-size:1.28rem;
}

/* Results */
.result-item strong{
  font-size:1.26rem;
}

.fuel-hero-result strong{
  font-size:clamp(1.75rem,4vw,2.45rem);
}

/* Mobile headings */
@media(max-width:720px){
  .hero h1{font-size:2.7rem}
}
@media(max-width:480px){
  .hero h1{font-size:2.42rem}
}


/* ==========================================================
   V8 — CLEAN WHITE THEME
   ========================================================== */

:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-2:#f6f7f8;
  --text:#25313a;
  --heading:#102431;
  --muted:#66727d;
  --muted-2:#8a949b;
  --line:#e3e6e8;
  --line-strong:#cfd5d9;
  --brand:#174f72;
  --brand-dark:#103a55;
  --brand-soft:#eef5f8;
  --ink:#102431;
}

/* Main surfaces */
body{background:#ffffff}
.site-header{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid #e1e1e7;
}
.hero{
  background:#afc1f1;
  border-bottom:1px solid #e5e8ea;
}
.section.white{
  background:#fafbfb;
}
.section:not(.white){
  background:#ffffff;
}

/* Search / inputs */
.search-card{border-top-color:#1317ff}
.search-row input,
.field input,
.field select{
  background:#ffffff;
  border-color:#1201ff;
}
.search-row input:focus,
.field input:focus,
.field select:focus{
  background:#bcb5fa;
}

/* Category index */
.stats{
  border-top-color:#0400ff;
  border-bottom-color:#001aff;
}
.stat{border-bottom-color:#0004f8}

/* Tool directory */
.tool-card{
  border-bottom-color:#0400ff;
}
.tool-card:hover{
  background:#a2a1e9;
}

/* Calculator work surface */
.calculator{
  background:#9dccf1;
  border-top-color:#0004fd;
  border-bottom-color:#0400ff;
}
.result-box,
.fuel-result{
  background:#ffffff;
}

/* Article / page areas */
.article,
.page-card{
  background:#ffffff;
}
.formula{
  background:#f5f6f6;
}
.notice{
  background:#fff8e9;
}

/* Sidebar */
.sidebar{
  border-left-color:#dfe3e5;
}
.sidebar-card{
  border-bottom-color:#e4e7e9;
}
.sidebar-card a{
  border-bottom-color:#eceeef;
}

/* Keep featured vehicle section dark for contrast */
#vehicle.section.white{
  background:#120346;
}

/* Footer remains dark for visual balance */
.site-footer{
  background:#020750;
}

/* Mobile nav */
@media(max-width:720px){
  .main-nav{
    background:#ffffff;
  }
}


/* ==========================================================
   BMI VISUAL RANGE 
   ========================================================== */
.bmi-visual{
  margin-top:16px;
  background:#ffffff;
  border:1px solid #dce3e7;
  padding:18px 18px 15px;
  border-radius:5px;
}
.bmi-scale-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.bmi-scale-head strong{
  color:var(--heading);
  font-size:.92rem;
  font-weight:750;
}
.bmi-scale-head span{
  color:var(--muted);
  font-size:.84rem;
  font-weight:650;
}
.bmi-scale-wrap{
  position:relative;
  padding-top:24px;
}
.bmi-scale-bar{
  display:grid;
  grid-template-columns:28.33fr 21.33fr 16.67fr 33.67fr;
  height:15px;
  overflow:hidden;
  border-radius:999px;
  border:1px solid rgba(15,35,50,.08);
  background:#eef1f3;
}
.bmi-zone{height:100%}
.bmi-zone.under{background:#e7c54a}
.bmi-zone.healthy{background:#55a85a}
.bmi-zone.over{background:#e89a3d}
.bmi-zone.obese{background:#d95850}

.bmi-marker{
  position:absolute;
  top:0;
  width:0;
  height:42px;
  transform:translateX(-50%);
  pointer-events:none;
}
.bmi-marker:after{
  content:"";
  position:absolute;
  left:50%;
  top:21px;
  transform:translateX(-50%);
  width:3px;
  height:23px;
  background:#153a55;
  border-radius:2px;
  box-shadow:0 0 0 2px rgba(255,255,255,.85);
}
.bmi-marker span{
  position:absolute;
  left:50%;
  top:0;
  transform:translateX(-50%);
  background:#153a55;
  color:#fff;
  font-size:.7rem;
  font-weight:750;
  line-height:1;
  padding:5px 7px;
  border-radius:4px;
  white-space:nowrap;
}
.bmi-marker span:after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-4px;
  transform:translateX(-50%);
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:4px solid #153a55;
}
.bmi-scale-labels{
  display:grid;
  grid-template-columns:28.33fr 21.33fr 16.67fr 33.67fr;
  margin-top:10px;
}
.bmi-scale-labels div{
  text-align:center;
  padding:0 4px;
}
.bmi-scale-labels strong{
  display:block;
  color:#4d5c65;
  font-size:.69rem;
  line-height:1.25;
}
.bmi-scale-labels small{
  display:block;
  color:#8a959c;
  font-size:.65rem;
  margin-top:2px;
}
@media(max-width:720px){
  .bmi-visual{padding:15px 12px 13px}
  .bmi-scale-head{display:block;margin-bottom:13px}
  .bmi-scale-head span{display:block;margin-top:4px}
  .bmi-scale-labels strong{font-size:.61rem}
  .bmi-scale-labels small{font-size:.58rem}
}


/* BMI adult / child & teen mode */
.bmi-mode-label{
  margin-bottom:8px;
  color:var(--heading);
  font-size:.82rem;
  font-weight:750;
}
.bmi-mode-switch{
  display:grid;
  grid-template-columns:1fr 1fr;
  max-width:440px;
  margin-bottom:20px;
  border:1px solid var(--line-strong);
  border-radius:5px;
  overflow:hidden;
  background:#fff;
}
.bmi-mode-option{cursor:pointer}
.bmi-mode-option input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.bmi-mode-option span{
  display:block;
  padding:10px 14px;
  text-align:center;
  color:#5a6770;
  font-size:.86rem;
  font-weight:700;
  border-right:1px solid var(--line);
  transition:background .14s ease,color .14s ease;
}
.bmi-mode-option:last-child span{border-right:0}
.bmi-mode-option small{
  font-size:.7rem;
  font-weight:600;
  color:#89949b;
  margin-left:3px;
}
.bmi-mode-option input:checked+span{
  background:var(--brand);
  color:#fff;
}
.bmi-mode-option input:checked+span small{color:#dce7ee}
.bmi-child-fields{
  margin-bottom:16px;
  padding:16px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.field-help{
  display:block;
  color:#89949b;
  font-size:.7rem;
  line-height:1.4;
  margin-top:5px;
}
.bmi-mode-note{
  margin-top:13px;
  color:#738087;
  font-size:.76rem;
  line-height:1.5;
}
.bmi-visual.child .bmi-scale-bar,
.bmi-visual.child .bmi-scale-labels{
  grid-template-columns:repeat(4,1fr);
}
.bmi-child-cutoffs{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-top:13px;
  padding-top:11px;
  border-top:1px solid #e5e9eb;
  color:#76838a;
  font-size:.72rem;
}
.bmi-child-cutoffs strong{color:#41515a}
@media(max-width:560px){
  .bmi-mode-switch{max-width:none}
  .bmi-mode-option span{padding:9px 8px;font-size:.79rem}
  .bmi-mode-option small{display:block;margin:2px 0 0}
  .bmi-child-cutoffs{gap:6px 12px}
}
.hero h1{
  font-size: clamp(1.9rem, 3.5vw, 3rem) !important;
  line-height: 1.08;
}
.hero h1{
  color:#1f6feb !important;
}

/* Header logo image */
.brand-logo {
  height: 42px;
  width: auto;
  max-width: 180px;
  display: block;
}

@media (max-width: 720px) {
  .brand-logo {
    height: 36px;
  }
}