/* EverythingCalc site chrome: header, menus, search, footer, ad slots, and the non-calculator pages.
   Calculator pages keep their own inline CSS; everything here is scoped to site classes. */
:root{
  --bg:#F7F6F1; --surface:#FFFFFF; --ink:#14254A; --muted:#55617A; --rule:#D5DAE4; --stamp:#2E6BB3; --error:#A3261B;
  --hdr-bg:#14254A; --hdr-ink:#FFFFFF; --hdr-muted:#B9C4DA; --hdr-field:#FFFFFF; --hdr-field-ink:#14254A;
  --tint:#EEF3FA;
  --body:"Barlow","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:"Alegreya Sans SC","Copperplate","Trebuchet MS",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1830; --surface:#16213D; --ink:#E8ECF4; --muted:#A0AAC1; --rule:#2A3656; --stamp:#7FAEEA; --error:#F08A7E;
    --hdr-bg:#0A1024; --hdr-ink:#E8ECF4; --hdr-muted:#A0AAC1; --hdr-field:#16213D; --hdr-field-ink:#E8ECF4; --tint:#1B2848;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1830; --surface:#16213D; --ink:#E8ECF4; --muted:#A0AAC1; --rule:#2A3656; --stamp:#7FAEEA; --error:#F08A7E;
  --hdr-bg:#0A1024; --hdr-ink:#E8ECF4; --hdr-muted:#A0AAC1; --hdr-field:#16213D; --hdr-field-ink:#E8ECF4; --tint:#1B2848;
}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--surface);color:var(--ink);padding:10px 14px;border:2px solid var(--stamp);border-radius:4px;font-weight:600}
.skip-link:focus{top:12px}

/* ---------- Header ---------- */
.site-header{background:var(--hdr-bg);color:var(--hdr-ink);position:relative;z-index:50;font-family:var(--body)}
.site-header a{color:inherit;text-decoration:none}
.hdr-bar{max-width:1080px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px}
.site-logo{display:inline-flex;align-items:center;gap:10px;color:inherit;text-decoration:none;flex:none;min-height:44px}
.logo-mark{width:34px;height:34px;color:#7FAEEA}
.logo-word{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:0.3px;line-height:1}
.logo-word b{font-weight:800}
.site-search{position:relative;flex:1;max-width:460px;margin-left:auto}
.site-search input{width:100%;font:inherit;font-size:16px;height:44px;padding:0 14px 0 40px;border-radius:22px;border:1px solid transparent;background:var(--hdr-field);color:var(--hdr-field-ink)}
.site-search input::placeholder{color:var(--muted)}
.site-search input:focus-visible{outline:3px solid #7FAEEA;outline-offset:2px}
.search-ico{position:absolute;left:14px;top:12px;width:20px;height:20px;color:var(--muted);pointer-events:none}
.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;margin:0;padding:6px;list-style:none;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:8px;box-shadow:0 12px 32px rgba(10,20,40,.22);max-height:min(70vh,460px);overflow:auto;z-index:60}
.search-results li a,.search-results li.empty{display:block;padding:9px 12px;border-radius:6px;color:var(--ink)}
.search-results li a strong{display:block;font-weight:600}
.search-results li a span,.search-results li.empty{font-size:14px;color:var(--muted)}
.search-results li[aria-selected="true"] a{background:var(--tint);box-shadow:inset 3px 0 0 var(--stamp)}
.search-results mark{background:none;color:inherit;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:2px}
.search-results .all{border-top:1px solid var(--rule);margin-top:4px;padding-top:4px}
.search-results .all a{font-weight:600;color:var(--stamp)}

.menu-toggle{display:none;align-items:center;gap:8px;min-height:44px;padding:0 12px;font:inherit;font-weight:600;background:none;color:inherit;border:1px solid rgba(255,255,255,.35);border-radius:6px;cursor:pointer}
.menu-toggle .bars,.menu-toggle .bars::before,.menu-toggle .bars::after{display:block;width:18px;height:2px;background:currentColor;position:relative;transition:transform .2s}
.menu-toggle .bars::before,.menu-toggle .bars::after{content:"";position:absolute;left:0}
.menu-toggle .bars::before{top:-6px}.menu-toggle .bars::after{top:6px}
.menu-toggle[aria-expanded="true"] .bars{background:transparent}
.menu-toggle[aria-expanded="true"] .bars::before{transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bars::after{transform:translateY(-6px) rotate(-45deg)}

.site-nav{border-top:1px solid rgba(255,255,255,.12)}
.nav-list{max-width:1080px;margin:0 auto;padding:0 12px;list-style:none;display:flex;flex-wrap:wrap}
.nav-item{position:static}
.nav-btn{display:inline-flex;align-items:center;gap:6px;min-height:46px;padding:0 12px;font:inherit;font-size:16px;font-weight:600;color:var(--hdr-muted);background:none;border:0;cursor:pointer;border-bottom:3px solid transparent}
.nav-btn svg{width:12px;height:12px;transition:transform .15s}
.nav-btn:hover,.nav-item.open>.nav-btn{color:var(--hdr-ink)}
.nav-item.open>.nav-btn svg{transform:rotate(180deg)}
.nav-item.is-current>.nav-btn{color:var(--hdr-ink);border-bottom-color:#7FAEEA}
.nav-btn:focus-visible{outline:3px solid #7FAEEA;outline-offset:-3px}
.mega{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);color:var(--ink);border-bottom:1px solid var(--rule);box-shadow:0 18px 36px rgba(10,20,40,.18)}
.nav-item.open>.mega{display:block}
.mega-inner{max-width:1080px;margin:0 auto;padding:22px 20px 26px;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:22px 28px;max-height:calc(100vh - 140px);overflow:auto}
.mega-cat{display:block;font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:.3px;margin-bottom:6px;color:var(--ink)!important}
.mega-cat:hover{text-decoration:underline!important}
.mega ul{list-style:none;margin:0;padding:0}
.mega li a{display:block;padding:4px 0;font-size:15px;color:var(--ink)}
.mega li a:hover,.mega-all:hover{text-decoration:underline;text-underline-offset:3px}
.mega-all{display:inline-block;margin-top:6px;font-size:14px;font-weight:600;color:var(--stamp)!important}

@media (max-width:860px){
  .hdr-bar{flex-wrap:wrap;gap:10px 12px;padding:10px 16px 12px}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .site-search{order:3;flex-basis:100%;max-width:none;margin:0}
  .site-nav{display:none;max-height:calc(100vh - 120px);overflow:auto}
  .site-nav.open{display:block}
  .nav-list{flex-direction:column;padding:6px 0 12px}
  .nav-btn{width:100%;justify-content:space-between;padding:0 16px;min-height:48px;border-bottom:0}
  .nav-item.is-current>.nav-btn{box-shadow:inset 4px 0 0 #7FAEEA}
  .mega{position:static;box-shadow:none;border:0}
  .mega-inner{grid-template-columns:1fr 1fr;padding:16px;max-height:none;gap:16px}
  .mega li a{padding:9px 0;font-size:16px}
}
@media (max-width:480px){ .mega-inner{grid-template-columns:1fr} .logo-word{font-size:23px} }

/* ---------- Breadcrumbs ---------- */
.crumbs ol{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-wrap:wrap;gap:4px;font-size:14px;color:var(--muted)}
.crumbs li+li::before{content:"\203A";margin-right:6px}
.crumbs a{color:var(--muted);text-decoration:underline;text-underline-offset:2px}
.crumbs a:hover{color:var(--ink)}
.calc-page .wrap{padding-top:24px}

/* ---------- Ad slots ---------- */
.ad-slot{margin:40px auto;max-width:100%;min-height:100px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ad-placeholder{border:2px dashed var(--rule);border-radius:6px;color:var(--muted);font-size:13px;letter-spacing:.5px;text-transform:uppercase;background:repeating-linear-gradient(135deg,transparent 0 12px,rgba(127,140,170,.06) 12px 24px)}
section.learn .ad-slot{margin:28px 0}

/* ---------- Footer (overrides the calculator pages' own footer/h2 rules) ---------- */
footer.site-footer{margin:0;padding:0;border:0;font-size:15px;color:var(--ink);background:var(--surface);border-top:1px solid var(--rule)}
.sf-inner{max-width:1080px;margin:0 auto;padding:40px 20px 28px}
.site-footer a{color:inherit;text-decoration:none}
.site-footer a:hover{text-decoration:underline;text-underline-offset:3px}
.site-footer h2{font-family:var(--display);font-weight:800;font-size:18px;margin:0 0 10px;letter-spacing:.3px;line-height:1.2}
.site-footer ul{list-style:none;margin:0;padding:0}
.related{padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--rule)}
.related-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 20px;margin-bottom:16px}
.related-head h2{font-size:26px;margin:0}
.related-head a{font-weight:600;color:var(--stamp)}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.related-grid a{display:block;height:100%;padding:14px 16px;border:1px solid var(--rule);border-radius:6px;background:var(--bg)}
.related-grid a:hover{border-color:var(--stamp);text-decoration:none;box-shadow:inset 3px 0 0 var(--stamp)}
.related-grid strong{display:block;font-weight:600;margin-bottom:2px}
.related-grid span{display:block;font-size:14px;color:var(--muted);line-height:1.4}
.sf-cols{display:grid;grid-template-columns:1.4fr repeat(6,1fr);gap:28px}
.sf-cols>*{min-width:0;overflow-wrap:break-word}
.sf-cols li{margin:0 0 6px;font-size:14px;line-height:1.35}
.sf-cols li a{color:var(--muted)}
.sf-cols li a:hover{color:var(--ink)}
.sf-brand .site-logo{color:var(--ink)}
.sf-brand .logo-mark{color:var(--stamp)}
.sf-brand p{margin:10px 0 0;color:var(--muted);font-size:14px;max-width:28ch}
.sf-legal{margin:32px 0 0;padding-top:18px;border-top:1px solid var(--rule);font-size:13px;color:var(--muted)}
@media (max-width:980px){ .sf-cols{grid-template-columns:repeat(3,1fr)} .sf-brand{grid-column:1/-1} }
@media (max-width:520px){ .sf-cols{grid-template-columns:1fr 1fr} }

/* ---------- Non-calculator pages ---------- */
*,*::before,*::after{box-sizing:border-box}
body.site-page{margin:0;overflow-wrap:break-word;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}
.site-page :focus-visible{outline:3px solid var(--stamp);outline-offset:2px}
.page-wrap{max-width:1080px;margin:0 auto;padding:24px 20px 64px}
.site-page main a{color:var(--stamp)}
.site-page h1{font-family:var(--display);font-weight:800;font-size:clamp(34px,5vw,52px);line-height:1.05;margin:0 0 12px;letter-spacing:.3px}
.site-page h2{font-family:var(--display);font-weight:800;font-size:28px;line-height:1.15;margin:40px 0 14px;letter-spacing:.3px}
.site-page h3{font-family:var(--display);font-weight:700;font-size:21px;margin:0 0 4px;letter-spacing:.3px}
.page-head p{margin:0;max-width:62ch;color:var(--muted)}
.prose{max-width:720px}
.prose h2{font-size:24px;margin:32px 0 8px}
.prose p{margin:0 0 14px}
.draft-note{padding:12px 16px;border:1px solid var(--rule);border-left:4px solid var(--stamp);background:var(--surface)}
.big-link{font-size:22px;font-weight:600}

.hero{padding:28px 0 12px;text-align:center}
.hero h1{font-size:clamp(40px,7vw,68px)}
.hero p{margin:0 auto;max-width:56ch;color:var(--muted);font-size:18px}
.hero-search{display:flex;gap:8px;max-width:620px;margin:28px auto 0}
.hero-search input{flex:1;min-width:0;font:inherit;font-size:18px;height:54px;padding:0 18px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink)}
.hero-search button{font:inherit;font-weight:600;font-size:17px;height:54px;padding:0 22px;border:0;border-radius:8px;background:var(--stamp);color:#fff;cursor:pointer}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .hero-search button{color:#0F1830} }
.page-head+.hero-search{margin:24px 0 0}

.home-group h2{margin-top:48px}
.cat-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.cat-card{background:var(--surface);border:1px solid var(--rule);border-radius:6px;padding:18px 20px}
.cat-card h3 a{color:var(--ink)!important;text-decoration:none}
.cat-card h3 a:hover{text-decoration:underline}
.cat-card .count{margin:0 0 10px;font-size:14px;color:var(--muted)}
.cat-card ul{list-style:none;margin:0;padding:0}
.cat-card li{margin:0 0 5px;font-size:15px}
.cat-card li a{color:var(--ink)!important;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:3px}
.cat-card li a:hover{text-decoration-color:currentColor}
.cat-card .more{display:inline-block;margin-top:8px;font-size:14px;font-weight:600}

.calc-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.calc-list a,.search-hit a{display:block;height:100%;padding:16px 18px;background:var(--surface);border:1px solid var(--rule);border-radius:6px;color:var(--ink)!important;text-decoration:none}
.calc-list a:hover,.search-hit a:hover{border-color:var(--stamp);box-shadow:inset 3px 0 0 var(--stamp)}
.calc-list strong,.search-hit strong{display:block;font-weight:600;font-size:18px;margin-bottom:2px}
.calc-list span,.search-hit span{display:block;font-size:15px;color:var(--muted);line-height:1.45}
.sub h2{margin-top:36px}
#search-page-results{margin-top:24px;display:grid;gap:10px;max-width:760px}
.search-hit em{font-style:normal;font-size:13px;color:var(--muted)}

.az{display:flex;flex-wrap:wrap;gap:6px;margin:24px 0 8px}
.az a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;border:1px solid var(--rule);border-radius:4px;background:var(--surface);font-weight:600;text-decoration:none}
.az-list{list-style:none;margin:0;padding:0;columns:3 260px;column-gap:32px}
.az-list li{margin:0 0 8px;break-inside:avoid}
.az-list span{font-size:13px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){ .nav-btn svg,.menu-toggle .bars,.menu-toggle .bars::before,.menu-toggle .bars::after{transition:none} }