:root { color-scheme:light; --ink:#18243c; --muted:#59667b; --blue:#2358e8; --blue-light:#edf3ff; --paper:#f7f9fc; --line:#e1e7f0; --radius:16px; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif; font-synthesis:none; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { margin:0; background:var(--paper); color:var(--ink); font-size:16px; line-height:1.6; }
button,input,select,textarea { font:inherit; }
button,a,input,select { -webkit-tap-highlight-color:transparent; }
a { color:var(--blue); text-underline-offset:4px; }
button { cursor:pointer; }
svg { display:block; flex:0 0 auto; }
.icon { width:24px; height:24px; }
[hidden] { display:none !important; }
:focus-visible { outline:3px solid #90afff; outline-offset:3px; }
.container { width:min(calc(100% - 64px),1240px); margin-inline:auto; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.skip-link { position:fixed; left:16px; top:-100px; z-index:100; background:white; padding:12px 20px; border-radius:8px; }
.skip-link:focus { top:12px; }

/* White header with a stable mobile grid. */
.site-header { background:white; border-bottom:1px solid var(--line); position:sticky; top:0; z-index:30; }
.header-inner { min-height:80px; display:flex; align-items:center; gap:40px; }
.brand { display:inline-flex; align-items:center; color:#050505; font-family:"Trebuchet MS","Avenir Next","Segoe UI",sans-serif; font-size:26px; font-weight:800; letter-spacing:-1.45px; line-height:1; white-space:nowrap; text-decoration:none; flex-shrink:0; }
.brand-primary { color:var(--blue); }
.brand-domain { color:#050505; }
.header-nav { display:flex; gap:28px; align-items:center; margin-left:auto; }
.header-nav a { color:var(--muted); font-size:14px; font-weight:600; text-decoration:none; padding-block:16px; white-space:nowrap; }
.header-nav a:hover,.header-nav a[aria-current] { color:var(--blue); }
.search-box { position:relative; display:flex; align-items:center; min-width:0; }
.search-box > .icon { position:absolute; left:18px; color:#7a89a1; width:21px; height:21px; pointer-events:none; }
.search-box input { width:100%; min-width:0; background:white; color:var(--ink); border:1px solid #cbd5e5; border-radius:12px; padding:14px 16px 14px 50px; min-height:54px; font-size:16px; }
.search-box input::placeholder { color:#78849a; opacity:1; }
.search-box input:focus { outline:3px solid #e0eaff; border-color:var(--blue); }
.header-search { width:225px; }
.header-search input { min-height:44px; border-color:var(--line); background:var(--paper); font-size:14px; padding-block:10px; }
.search-suggestions { position:absolute; top:calc(100% + 8px); left:0; right:0; background:white; border:1px solid var(--line); padding:6px; border-radius:12px; box-shadow:0 12px 30px #18243c1a; max-height:380px; overflow-y:auto; z-index:40; }
.search-suggestions a { display:flex; flex-direction:column; gap:1px; padding:10px 12px; color:var(--ink); text-decoration:none; border-radius:8px; line-height:1.4; }
.search-suggestions a:hover { background:var(--blue-light); }
.search-suggestions small { font-size:13px; color:var(--muted); }
.search-suggestions p { font-size:14px; padding:8px; }
.menu-toggle { display:none; width:44px; height:44px; padding:10px; border:1px solid var(--line); border-radius:10px; background:white; color:var(--ink); flex-shrink:0; }
.mobile-nav { padding-block:8px 18px; display:grid; grid-template-columns:1fr 1fr; gap:4px; }
.mobile-nav a { display:flex; gap:10px; align-items:center; padding:12px; color:var(--ink); font-size:14px; font-weight:600; text-decoration:none; border-radius:8px; }
.mobile-nav .icon { width:20px; height:20px; color:var(--blue); }
.mobile-nav a:hover { background:var(--blue-light); }

/* The catalog stays close to the search surface. */
.home-main { padding-bottom:64px; }
.home-intro { background:white; border-bottom:1px solid var(--line); padding:38px 0 34px; }
.home-intro .container { max-width:760px; text-align:center; }
.eyebrow { margin:0 0 10px; font-size:13px; font-weight:700; color:var(--blue); letter-spacing:.08em; text-transform:uppercase; }
.home-intro h1 { margin:0; font-size:clamp(32px,4.2vw,46px); line-height:1.13; letter-spacing:-1.6px; font-weight:750; }
.home-intro h1 span { color:var(--blue); }
.home-intro p:not(.eyebrow) { margin:16px auto 0; color:var(--muted); max-width:530px; font-size:16px; }
.catalog-layout { display:grid; grid-template-columns:206px minmax(0,1fr); gap:38px; padding-top:36px; align-items:start; }
.catalog-nav { position:sticky; top:112px; }
.catalog-nav > p { margin:0 12px 14px; color:#536176; font-size:12px; letter-spacing:.08em; font-weight:700; text-transform:uppercase; }
.catalog-nav nav { display:grid; gap:4px; }
.catalog-nav a { display:flex; align-items:center; gap:11px; padding:12px; border-radius:9px; color:var(--muted); font-size:14px; font-weight:600; text-decoration:none; }
.catalog-nav a:hover,.catalog-nav a:focus-visible { background:var(--blue-light); color:var(--blue); }
.catalog-nav .icon { width:21px; height:21px; }
.catalog-nav .method-link { border-top:1px solid var(--line); border-radius:0; margin-top:22px; padding-top:20px; }
.catalog { min-width:0; }
.catalog-topline { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:28px; color:var(--muted); font-size:14px; }
.result-count { color:var(--blue); font-size:13px; font-weight:650; background:var(--blue-light); border-radius:6px; padding:4px 9px; white-space:nowrap; }
.category-section { margin-bottom:30px; scroll-margin-top:100px; }
.category-header { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:12px; }
.category-header h2 { margin:0; font-size:22px; letter-spacing:-.5px; line-height:1.3; }
.category-header > span { color:var(--muted); font-size:13px; }
.calculator-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.tool-card { display:grid; grid-template-columns:42px minmax(0,1fr) 16px; gap:14px; align-items:start; min-width:0; padding:21px 18px; background:white; border:1px solid var(--line); border-radius:14px; text-decoration:none; color:var(--ink); transition:border-color .18s,box-shadow .18s; }
.tool-card:hover { border-color:#aac0f6; box-shadow:0 6px 20px #163a7710; }
.tool-icon { display:grid; place-items:center; background:var(--blue-light); color:var(--blue); border-radius:11px; width:42px; height:42px; }
.tool-icon .icon { width:23px; height:23px; }
.tool-copy { min-width:0; }
.tool-card h3 { font-size:16px; line-height:1.4; margin:1px 0 6px; font-weight:650; letter-spacing:-.2px; }
.tool-card p { font-size:14px; line-height:1.55; margin:0; color:var(--muted); }
.tool-link { color:#92a1b7; padding-top:12px; }
.tool-link .icon { width:16px; height:16px; }
.search-empty { padding:24px; border:1px dashed #b9c7db; border-radius:12px; color:var(--muted); }

/* Controls, values and units share flexible tracks: no absolute-positioned suffixes. */
.page-main { padding:28px 0 64px; }
.breadcrumbs { display:flex; align-items:center; flex-wrap:wrap; gap:8px; color:var(--muted); font-size:13px; margin-bottom:24px; }
.breadcrumbs a { color:var(--muted); text-decoration:none; }
.breadcrumbs span[aria-hidden] { color:#9aabc1; }
.page-title { position:relative; padding-left:72px; max-width:920px; margin-bottom:26px; }
.calculator-title-icon { position:absolute; left:0; top:5px; width:54px; height:54px; border-radius:14px; background:var(--blue-light); display:grid; place-items:center; color:var(--blue); border:1px solid #dbe5ff; }
.calculator-title-icon .icon { width:28px; height:28px; }
.page-title .eyebrow { margin-bottom:6px; font-size:12px; }
.page-title h1 { font-size:clamp(27px,3.2vw,38px); margin:0; line-height:1.18; letter-spacing:-1px; font-weight:730; }
.lead { font-size:16px; color:var(--muted); line-height:1.6; margin:10px 0; }
.review-note { font-size:12px; color:#65748b; margin:8px 0 0; }
.review-note a { color:#50627e; font-weight:600; text-decoration-thickness:1px; }
.calculator-shell { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr); gap:24px; align-items:start; margin-bottom:24px; }
.calculator-column { display:grid; gap:24px; align-content:start; min-width:0; }
.calculator-column-side { position:sticky; top:104px; }
.calculator-form { min-width:0; background:white; border:1px solid var(--line); border-radius:var(--radius); padding:26px; }
.field-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px 18px; }
.field-grid > [data-mode],.field-grid > [data-salary-mode],.field-grid > [data-bsa-unit],.field-grid > [data-golf],.field-grid > [data-bodyfat],.shape-fields { display:contents; }
.field { display:grid; gap:7px; align-content:start; min-width:0; }
.field-label { font-size:14px; font-weight:600; color:#344258; line-height:1.45; }
.field-control { min-width:0; display:flex; align-items:stretch; border:1px solid #c9d3e2; border-radius:9px; overflow:hidden; background:white; }
input,select,textarea { max-width:100%; }
.field input,.field select,.field textarea { width:100%; min-width:0; min-height:48px; padding:11px 12px; border:1px solid #c9d3e2; border-radius:9px; background:white; color:var(--ink); font-size:16px; line-height:1.4; }
.field-control input { border:none; border-radius:0; flex:1 1 0%; width:0; min-height:46px; font-variant-numeric:tabular-nums; }
.field-suffix { display:flex; align-items:center; padding:0 12px 0 4px; color:var(--muted); font-size:14px; white-space:nowrap; flex:0 0 auto; }
.field input:focus,.field select:focus,.field textarea:focus { border-color:var(--blue); outline:3px solid #e2ebff; outline-offset:0; }
.field-control:focus-within { border-color:var(--blue); outline:3px solid #e2ebff; }
.field-control input:focus { outline:none; }
input[type="date"],input[type="time"] { -webkit-appearance:none; appearance:none; }
input::-webkit-date-and-time-value { text-align:left; }
.field small { font-size:13px; line-height:1.5; color:var(--muted); }
.field textarea { resize:vertical; }
.check-field { display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--muted); margin-top:20px; line-height:1.5; }
.check-field input { width:20px; height:20px; flex-shrink:0; margin:1px 0 0; accent-color:var(--blue); }
.form-actions { display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; margin-top:24px; padding-top:20px; border-top:1px solid var(--line); }
.button { display:inline-flex; align-items:center; justify-content:center; gap:9px; min-height:46px; padding:10px 18px; border:1px solid transparent; border-radius:9px; font-size:14px; font-weight:650; text-decoration:none; }
.button .icon { width:18px; height:18px; }
.button-secondary { color:var(--muted); background:white; border-color:var(--line); }
.button-secondary:hover { background:var(--paper); }
.button-primary { color:white; background:var(--blue); }
.button-primary:hover { background:#1943b5; }
.result-card { min-width:0; border:1px solid #cddbf9; border-radius:var(--radius); background:white; overflow:hidden; scroll-margin-block:110px 20px; }
.result-state { background:var(--blue-light); padding:23px; border-bottom:1px solid #dce5f7; }
.result-heading { display:flex; align-items:center; justify-content:space-between; gap:14px; }
.result-kicker { color:#365896; font-size:14px; font-weight:600; line-height:1.45; }
.result-primary { color:#153784; font-size:clamp(28px,3vw,42px); letter-spacing:-1px; font-weight:750; line-height:1.2; margin-top:12px; overflow-wrap:anywhere; font-variant-numeric:tabular-nums; }
.result-primary small { font-size:.5em; font-weight:500; letter-spacing:0; }
.result-note { font-size:14px; color:#4c6083; line-height:1.6; margin:12px 0 0; }
.copy-result { display:inline-flex; gap:6px; align-items:center; justify-content:center; min-width:44px; min-height:44px; padding:7px 10px; color:#365896; background:#ffffffa6; border:1px solid #cbd9f6; border-radius:8px; font-size:13px; flex:0 0 auto; }
.copy-result .icon { width:16px; height:16px; }
.copy-result:hover { background:white; }
.result-metrics { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); margin:0; }
.result-metrics > div { min-width:0; padding:17px 22px; border-bottom:1px solid var(--line); }
.result-metrics > div:nth-child(odd) { border-right:1px solid var(--line); }
.result-metrics dt { font-size:13px; line-height:1.5; color:var(--muted); }
.result-metrics dd { margin:5px 0 0; font-size:16px; line-height:1.4; font-weight:650; color:var(--ink); overflow-wrap:anywhere; font-variant-numeric:tabular-nums; }
.breakdown { padding:18px 22px; }
.breakdown summary { font-size:14px; font-weight:600; cursor:pointer; }
.breakdown ol { padding-left:20px; color:var(--muted); font-size:14px; margin:14px 0 2px; }
.breakdown li + li { margin-top:9px; }
.result-warning { border-color:#ebd4b7; }
.result-warning .result-state { background:#fff7eb; border-color:#f0dfc8; }
.result-warning .result-primary { color:#915609; }
.result-warning .result-kicker,.result-warning .result-note { color:#805b29; }
.result-success { border-color:#b9dece; }
.result-success .result-state { background:#edf8f2; border-color:#d4e9df; }
.result-success .result-primary { color:#126441; }
.result-success .result-kicker,.result-success .result-note { color:#316a50; }
.result-error { border-color:#efc3c3; }
.result-error .result-state { background:#fff3f3; border:0; }
.result-error .result-primary,.result-error .result-note,.result-error .result-kicker { color:#a42d2d; }

/* Complex inputs become labeled groups, with no horizontal form scrolling. */
fieldset { min-inline-size:0; }
.duration-group { margin:0; border:0; padding:0; }
.duration-group legend { padding:0; font-size:15px; font-weight:650; margin-bottom:12px; }
.duration-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; }
.duration-group + .field { margin-block:20px; }
.duration-grid input { padding-inline:10px; }
.subcalc + .subcalc { margin-top:24px; padding-top:24px; border-top:1px solid var(--line); }
.subcalc h2 { margin:0 0 14px; font-size:17px; line-height:1.4; }
.scientific-form .expression-row { display:grid; grid-template-columns:minmax(0,1fr) 145px; gap:12px; }
.keypad { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:8px; margin-top:20px; }
.key { min-width:0; min-height:48px; border:1px solid var(--line); border-radius:9px; font-size:16px; font-weight:600; color:var(--ink); background:var(--paper); }
.key:hover { border-color:#aec1f4; background:var(--blue-light); }
.key-op { background:var(--blue-light); color:var(--blue); }
.fraction-workspace { display:grid; grid-template-columns:minmax(0,1fr); gap:20px; }
.fraction-workspace fieldset { margin:0; padding:0; border:0; }
.fraction-workspace legend { font-size:15px; font-weight:650; padding:0; margin-bottom:12px; }
.fraction-inputs { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.timecard-table,.course-table { display:grid; gap:18px; margin-bottom:24px; }
.shift-row,.course-row { border:1px solid var(--line); border-radius:12px; padding:15px; margin:0; display:grid; gap:12px; grid-template-columns:repeat(3,minmax(0,1fr)); }
.shift-row legend,.course-row legend { padding:0 7px; font-weight:650; font-size:14px; }
.course-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
.course-name,.course-boost { grid-column:1/-1; }
.optional-fields { border:1px solid var(--line); border-radius:10px; padding:14px; }
.optional-fields summary { font-size:14px; font-weight:600; cursor:pointer; }
.optional-fields .field-grid { margin-top:16px; }

/* Editorial content and footer use the same spacing rhythm. */
.article-card,.related-card { background:white; border:1px solid var(--line); border-radius:var(--radius); padding:28px; min-width:0; }
.article-card h2 { margin:30px 0 12px; font-size:22px; line-height:1.35; letter-spacing:-.4px; }
.article-card h2:first-child { margin-top:0; }
.article-card p,.article-card li { color:var(--muted); font-size:16px; }
.article-card ol { padding-left:22px; }
.article-card li + li { margin-top:8px; }
.answer-summary { display:grid; gap:8px; margin:0 0 28px; padding:20px 22px; border:1px solid #d8e3fb; border-left:4px solid var(--blue); border-radius:10px; background:var(--blue-light); }
.answer-summary strong { color:#183b8d; font-size:13px; letter-spacing:.04em; text-transform:uppercase; }
.answer-summary span { color:#344c72; line-height:1.7; }
.worked-example { margin-top:30px; padding:2px 22px 18px; border-radius:11px; background:#f7f9fd; border:1px solid var(--line); }
.worked-example h2 { margin-top:18px; }
.mistake-list { margin:0; padding-left:22px; }
.formula-block { padding:16px; background:var(--blue-light); border-radius:9px; margin-block:16px; color:#284873; font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:14px; overflow-wrap:anywhere; }
.related-card { padding:22px; }
.related-card h2 { margin:0 0 8px; font-size:16px; }
.related-links { display:grid; }
.related-links a { display:grid; grid-template-columns:20px minmax(0,1fr) 14px; align-items:center; gap:10px; padding:14px 0; color:var(--ink); text-decoration:none; font-size:14px; line-height:1.45; border-bottom:1px solid var(--line); }
.related-links a:last-child { border:0; }
.related-links .icon { width:20px; height:20px; color:var(--blue); }
.related-links .icon:last-child { width:14px; height:14px; color:#8394ad; }
.faq-list details { border-top:1px solid var(--line); padding:17px 0; }
.faq-list summary { cursor:pointer; font-weight:600; line-height:1.5; }
.faq-list p { margin-bottom:0; }
.source-note { padding-top:18px; border-top:1px solid var(--line); }
.article-review { display:grid; gap:5px; margin-top:30px; padding:18px 20px; border:1px solid var(--line); border-radius:10px; background:#fbfcfe; }
.article-review strong { color:var(--ink); font-size:14px; }
.article-review span { color:var(--muted); font-size:14px; line-height:1.6; }
.legal-page { max-width:820px; margin-inline:auto; padding:36px; border:1px solid var(--line); border-radius:16px; background:white; }
.legal-page h1 { font-size:32px; line-height:1.2; letter-spacing:-.8px; margin-top:0; }
.legal-page h2 { font-size:22px; line-height:1.4; margin-top:28px; }
.legal-page p { color:var(--muted); }
.site-footer { border-top:1px solid var(--line); background:white; padding:42px 0 24px; }
.footer-grid { display:grid; grid-template-columns:1.5fr repeat(3,1fr); gap:30px; }
.footer-brand p { font-size:14px; color:var(--muted); margin-top:16px; }
.footer-grid h2 { font-size:14px; margin:0 0 14px; font-weight:650; }
.footer-links { display:grid; gap:10px; }
.footer-links a { color:var(--muted); font-size:14px; text-decoration:none; }
.footer-links a:hover { color:var(--blue); }
.footer-bottom { margin-top:32px; padding-top:20px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:20px; font-size:12px; color:var(--muted); }

@media (min-width:1100px) {
  body[data-calculator="gpa-calculator"] .calculator-shell,body[data-calculator="time-card-calculator"] .calculator-shell { grid-template-columns:minmax(0,1.4fr) minmax(300px,.85fr); }
  .course-table { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:1100px) {
  .header-inner { gap:20px; }
  .header-nav { gap:20px; }
  .header-search { width:200px; }
  .catalog-layout { grid-template-columns:180px minmax(0,1fr); gap:22px; }
  .tool-card { grid-template-columns:36px minmax(0,1fr); gap:12px; padding:18px; }
  .tool-icon { width:36px; height:36px; border-radius:9px; }
  .tool-link { display:none; }
  .calculator-form { padding:22px; }
  .calculator-shell { grid-template-columns:minmax(0,1fr) minmax(280px,.85fr); gap:18px; }
  .calculator-column { gap:18px; }
  .shift-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .break-field { grid-column:1/-1; }
  .scientific-form .expression-row { grid-template-columns:1fr; }
}
@media (max-width:900px) {
  .header-nav { display:none; }
  .header-search { width:min(340px,45%); margin-left:auto; }
  .menu-toggle { display:grid; place-items:center; margin-left:auto; }
  .header-search + .menu-toggle { margin-left:0; }
  .catalog-layout { display:block; padding-top:24px; }
  .catalog-nav { position:static; margin-bottom:26px; }
  .catalog-nav > p,.catalog-nav .method-link { display:none; }
  .catalog-nav nav { display:flex; flex-wrap:wrap; gap:8px; }
  .catalog-nav a { padding:9px 12px; min-height:44px; border:1px solid var(--line); background:white; }
  .catalog-nav .icon { width:18px; height:18px; }
  .calculator-shell { grid-template-columns:minmax(0,1fr); }
  .calculator-column { display:contents; }
  [data-calculator-form] { grid-row:1; }
  [data-calculator-result] { grid-row:2; }
  .article-card { grid-row:3; }
  .related-card { grid-row:4; }
  .calculator-column-side { position:static; }
  .result-primary { font-size:36px; }
  .scientific-form .expression-row { grid-template-columns:minmax(0,1fr) 150px; }
  .timecard-table,.course-table { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns:repeat(3,1fr); }
  .footer-brand { grid-column:1/-1; }
  .footer-brand p br { display:none; }
}
@media (max-width:600px) {
  html { scroll-padding-top:20px; }
  .container { width:calc(100% - 32px); }
  .site-header { position:relative; }
  .header-inner { display:grid; grid-template-columns:minmax(0,1fr) 44px; align-items:center; gap:12px; padding-block:12px; min-height:0; }
  .brand { grid-column:1; grid-row:1; justify-self:start; min-width:0; font-size:clamp(17px,5.3vw,21px); letter-spacing:-1px; }
  .menu-toggle { grid-column:2; grid-row:1; justify-self:end; margin:0; }
  .header-search { grid-column:1/-1; grid-row:2; width:100%; margin:0; }
  .header-search input { min-height:46px; font-size:16px; border-radius:10px; }
  .mobile-nav { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .mobile-nav a { padding:10px 7px; font-size:14px; gap:7px; }
  .home-intro { padding:26px 0; }
  .home-intro .container { text-align:left; }
  .home-intro h1 { font-size:34px; letter-spacing:-1.1px; }
  .home-intro .eyebrow { font-size:12px; letter-spacing:.06em; margin-bottom:12px; }
  .home-intro p:not(.eyebrow) { font-size:16px; margin:14px 0 0; }
  .search-box > .icon { left:14px; }
  .catalog-nav nav { gap:7px; }
  .catalog-nav a { font-size:14px; padding:8px 10px; gap:7px; }
  .catalog-nav { margin-bottom:22px; }
  .catalog-topline { margin-bottom:24px; font-size:13px; gap:10px; }
  .category-header h2 { font-size:21px; }
  .category-header > span { font-size:12px; }
  .category-section { margin-bottom:27px; scroll-margin-top:20px; }
  .calculator-grid { grid-template-columns:minmax(0,1fr); gap:9px; }
  .tool-card { grid-template-columns:40px minmax(0,1fr) 14px; padding:17px 14px; gap:12px; border-radius:12px; }
  .tool-icon { width:40px; height:40px; border-radius:10px; }
  .tool-card h3 { font-size:16px; margin:0 0 5px; }
  .tool-card p { font-size:14px; line-height:1.5; }
  .tool-link { display:block; }
  .home-main { padding-bottom:30px; }
  .page-main { padding-top:20px; padding-bottom:36px; }
  .breadcrumbs { font-size:12px; margin-bottom:18px; gap:6px; }
  .breadcrumbs span[aria-current],.breadcrumbs span[aria-hidden]:nth-last-child(2) { display:none; }
  .page-title { padding-left:0; margin-bottom:20px; }
  .calculator-title-icon { display:none; }
  .page-title h1 { font-size:28px; letter-spacing:-.7px; }
  .page-title .eyebrow { font-size:12px; }
  .lead { font-size:16px; line-height:1.55; margin:10px 0; }
  .review-note { font-size:12px; }
  .calculator-form { padding:18px; border-radius:13px; }
  .calculator-shell { gap:16px; margin-bottom:24px; }
  .field-grid { grid-template-columns:minmax(0,1fr); gap:18px; }
  .result-card { border-radius:13px; scroll-margin-block:16px; }
  .result-state { padding:20px 18px; }
  .result-primary { font-size:34px; line-height:1.23; }
  .result-metrics > div { padding:15px 18px; }
  .breakdown { padding:18px; }
  .duration-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
  .fraction-inputs { gap:8px; }
  .fraction-inputs input { padding-inline:9px; }
  .scientific-form .expression-row { grid-template-columns:minmax(0,1fr); }
  .keypad { gap:6px; grid-template-columns:repeat(5,minmax(0,1fr)); }
  .key { font-size:15px; min-height:46px; padding:4px; }
  .timecard-table,.course-table { grid-template-columns:minmax(0,1fr); gap:18px; }
  .shift-row,.course-row { padding:13px; gap:12px; }
  .form-actions { gap:8px; }
  .button { padding:11px 14px; }
  .article-card,.related-card { padding:20px; border-radius:13px; }
  .article-card h2 { font-size:21px; }
  .answer-summary { padding:17px 18px; margin-bottom:24px; }
  .worked-example { padding-inline:18px; }
  .article-review { padding:16px; }
  .legal-page { padding:22px; }
  .legal-page h1 { font-size:28px; }
  .site-footer { padding-top:30px; }
  .footer-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px 20px; }
  .footer-bottom { flex-direction:column; gap:6px; margin-top:26px; }
}
@media (max-width:760px) {
  .timecard-table,.course-table { grid-template-columns:minmax(0,1fr); }
}
@media (max-width:360px) {
  .container { width:calc(100% - 24px); }
  .home-intro h1 { font-size:30px; }
  .tool-card { grid-template-columns:34px minmax(0,1fr); gap:10px; padding:15px 12px; }
  .tool-icon { width:34px; height:34px; }
  .tool-link { display:none; }
  .calculator-form { padding:14px; }
  .fraction-inputs { grid-template-columns:minmax(0,1fr); gap:12px; }
  .result-metrics { grid-template-columns:minmax(0,1fr); }
  .result-metrics > div:nth-child(odd) { border-right:0; }
  .mobile-nav { grid-template-columns:minmax(0,1fr); }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none !important; }
}
@media print {
  .site-header,.site-footer,.breadcrumbs,.form-actions,.related-card,.copy-result { display:none !important; }
  body { background:white; }
  .container { width:100%; }
  .page-main { padding:0; }
  .calculator-shell { display:flex; flex-direction:column; }
  .calculator-column { display:contents; }
  [data-calculator-form] { order:1; }
  [data-calculator-result] { order:2; }
  .article-card { order:3; }
  .calculator-form,.result-card,.article-card { break-inside:avoid; box-shadow:none; }
  .result-card { position:static; margin-top:16px; }
}