/*
Theme Name: MfgWorkbench Reference
Theme URI: https://mfgworkbench.com/
Author: MfgWorkbench
Description: A fast, calculator-first WordPress theme for manufacturing reference content.
Version: 1.0.3
Requires at least: 6.6
Requires PHP: 8.1
Text Domain: mfgworkbench
*/

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --mfg-ink: #0f172a;
  --mfg-ink-soft: #334155;
  --mfg-muted: #64748b;
  --mfg-line: #dbe3ee;
  --mfg-line-dark: #b8c5d6;
  --mfg-blue: #1e40af;
  --mfg-blue-deep: #0f2d6b;
  --mfg-blue-pale: #eef4ff;
  --mfg-paper: #ffffff;
  --mfg-canvas: #f7f9fc;
  --mfg-orange: #c2410c;
  --mfg-green: #166534;
  --mfg-radius: 4px;
  --mfg-shadow: 0 18px 45px rgba(15, 45, 107, 0.09);
  --mfg-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --mfg-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--mfg-ink);
  background: var(--mfg-canvas);
  font-family: var(--mfg-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mfg-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--mfg-blue-deep); }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; height: auto; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.screen-reader-text:focus {
  position: fixed; top: 10px; left: 10px; z-index: 10000; width: auto; height: auto;
  padding: 10px 14px; clip: auto; color: var(--mfg-ink); background: #fff;
}
:focus-visible { outline: 3px solid #93c5fd; outline-offset: 3px; }
.mfg-container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.mfg-mono { font-family: var(--mfg-mono); }

/* Header */
.mfg-utility {
  color: #dbeafe; background: var(--mfg-blue-deep); border-bottom: 1px solid #274786;
  font-family: var(--mfg-mono); font-size: 11px; letter-spacing: .065em; text-transform: uppercase;
}
.mfg-utility__inner { display: flex; justify-content: space-between; gap: 24px; padding: 7px 0; }
.mfg-utility__status { color: #bfdbfe; }
.mfg-site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--mfg-line); backdrop-filter: blur(10px); }
.mfg-header-main { display: grid; grid-template-columns: auto minmax(240px, 1fr) auto; align-items: center; gap: 30px; min-height: 72px; }
.mfg-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--mfg-ink); text-decoration: none; white-space: nowrap; }
.mfg-brand__mark {
  display: grid; place-items: center; width: 34px; height: 34px; color: #fff; background: var(--mfg-blue-deep);
  border: 1px solid #0a2254; border-radius: 2px; font: 700 13px/1 var(--mfg-mono); letter-spacing: -.05em;
}
.mfg-brand__name { font-weight: 800; letter-spacing: -.025em; }
.mfg-brand__sub { display: block; margin-top: -2px; color: var(--mfg-muted); font: 9px/1.2 var(--mfg-mono); letter-spacing: .12em; text-transform: uppercase; }
.mfg-header-search { position: relative; max-width: 530px; justify-self: center; width: 100%; }
.mfg-header-search .dashicons { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--mfg-muted); }
.mfg-header-search input {
  width: 100%; height: 42px; padding: 0 16px 0 43px; color: var(--mfg-ink); background: #f8fafc;
  border: 1px solid var(--mfg-line-dark); border-radius: var(--mfg-radius);
}
.mfg-header-search input:focus { background: #fff; border-color: var(--mfg-blue); outline: 3px solid #dbeafe; }
.mfg-menu-toggle { display: none; align-items: center; gap: 8px; border: 1px solid var(--mfg-line); background: #fff; min-height: 42px; padding: 0 12px; }
.mfg-primary-nav { border-top: 1px solid #edf1f6; }
.mfg-primary-nav__inner { display: flex; align-items: center; gap: 28px; min-height: 42px; overflow-x: auto; }
.mfg-primary-nav a { color: var(--mfg-ink-soft); font-size: 13px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.mfg-primary-nav a:hover, .mfg-primary-nav a[aria-current="page"] { color: var(--mfg-blue); }
.mfg-nav-tools { margin-left: auto; color: var(--mfg-blue) !important; }

/* Shared */
.mfg-kicker { margin: 0 0 12px; color: var(--mfg-blue); font: 700 11px/1.4 var(--mfg-mono); letter-spacing: .12em; text-transform: uppercase; }
.mfg-section { padding: 64px 0; }
.mfg-section--white { background: #fff; border-block: 1px solid var(--mfg-line); }
.mfg-section--blueprint { color: #fff; background: var(--mfg-blue-deep); }
.mfg-section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.mfg-section-head h2, .mfg-section h2 { margin: 0; font-size: clamp(25px, 3vw, 36px); line-height: 1.15; letter-spacing: -.035em; }
.mfg-section-head p { max-width: 600px; margin: 8px 0 0; color: var(--mfg-muted); }
.mfg-section-link { flex: 0 0 auto; font-size: 13px; font-weight: 750; }
.mfg-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px;
  color: #fff; background: var(--mfg-blue); border: 1px solid var(--mfg-blue); border-radius: var(--mfg-radius);
  font-size: 14px; font-weight: 750; text-decoration: none; cursor: pointer;
}
.mfg-button:hover { color: #fff; background: var(--mfg-blue-deep); border-color: var(--mfg-blue-deep); }
.mfg-button--secondary { color: var(--mfg-blue-deep); background: #fff; border-color: var(--mfg-line-dark); }
.mfg-button--secondary:hover { color: var(--mfg-blue); background: var(--mfg-blue-pale); border-color: var(--mfg-blue); }
.mfg-button--small { min-height: 38px; padding: 0 14px; font-size: 12px; }
.mfg-tag { display: inline-flex; align-items: center; gap: 6px; color: var(--mfg-muted); font: 700 10px/1.2 var(--mfg-mono); letter-spacing: .065em; text-transform: uppercase; }
.mfg-status { display: inline-block; padding: 3px 7px; color: #475569; background: #eef2f7; border: 1px solid #dbe3ee; border-radius: 999px; font: 700 9px/1.2 var(--mfg-mono); letter-spacing: .08em; text-transform: uppercase; }
.mfg-status--live { color: var(--mfg-green); background: #f0fdf4; border-color: #bbf7d0; }
.mfg-grid { display: grid; gap: 18px; }
.mfg-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.mfg-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mfg-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Home */
.mfg-hero { position: relative; overflow: hidden; padding: 76px 0 68px; background: #fff; border-bottom: 1px solid var(--mfg-line); }
.mfg-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .34;
  background-image: linear-gradient(#dbeafe 1px, transparent 1px), linear-gradient(90deg, #dbeafe 1px, transparent 1px);
  background-size: 34px 34px; mask-image: linear-gradient(90deg, transparent 0, #000 42%, #000 100%);
}
.mfg-hero__inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(330px, .8fr); gap: 72px; align-items: center; }
.mfg-hero h1 { max-width: 760px; margin: 0; font-size: clamp(40px, 5.4vw, 72px); line-height: .99; letter-spacing: -.06em; }
.mfg-hero__lead { max-width: 700px; margin: 24px 0 30px; color: var(--mfg-ink-soft); font-size: clamp(17px, 2vw, 21px); }
.mfg-hero-search { display: flex; max-width: 720px; padding: 5px; background: #fff; border: 1px solid var(--mfg-line-dark); border-radius: var(--mfg-radius); box-shadow: var(--mfg-shadow); }
.mfg-hero-search input { min-width: 0; flex: 1; min-height: 48px; padding: 0 15px; border: 0; outline: 0; }
.mfg-hero-search button { min-height: 48px; }
.mfg-quick-links { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 18px; color: var(--mfg-muted); font-size: 12px; }
.mfg-quick-links strong { color: var(--mfg-ink); font-family: var(--mfg-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.mfg-hero-panel { position: relative; background: #f8fbff; border: 1px solid var(--mfg-line-dark); box-shadow: var(--mfg-shadow); }
.mfg-hero-panel::before { content: ""; display: block; height: 7px; background: var(--mfg-blue); }
.mfg-hero-panel__head { padding: 18px 20px; border-bottom: 1px solid var(--mfg-line); }
.mfg-hero-panel__head strong { display: block; font-size: 18px; }
.mfg-hero-panel__head span { color: var(--mfg-muted); font: 10px/1.4 var(--mfg-mono); letter-spacing: .07em; text-transform: uppercase; }
.mfg-hero-tool { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 15px 20px; color: var(--mfg-ink); text-decoration: none; border-bottom: 1px solid var(--mfg-line); }
.mfg-hero-tool:last-child { border-bottom: 0; }
.mfg-hero-tool:hover { background: var(--mfg-blue-pale); }
.mfg-hero-tool strong { font-size: 13px; }
.mfg-hero-tool small { grid-column: 1; color: var(--mfg-muted); font: 10px/1.4 var(--mfg-mono); }
.mfg-hero-tool .dashicons { grid-row: 1 / 3; grid-column: 2; align-self: center; color: var(--mfg-blue); }
.mfg-tool-card { position: relative; display: flex; flex-direction: column; min-height: 250px; padding: 22px; background: #fff; border: 1px solid var(--mfg-line); border-top: 4px solid var(--mfg-blue); }
.mfg-tool-card:hover { border-color: #9db4d5; box-shadow: 0 14px 30px rgba(15,45,107,.08); transform: translateY(-2px); }
.mfg-tool-card .dashicons { width: 36px; height: 36px; color: var(--mfg-blue); font-size: 30px; }
.mfg-tool-card h3 { margin: 17px 0 9px; font-size: 18px; line-height: 1.25; letter-spacing: -.02em; }
.mfg-tool-card p { margin: 0 0 18px; color: var(--mfg-muted); font-size: 13px; }
.mfg-tool-card__meta { margin-top: auto; padding-top: 15px; border-top: 1px solid var(--mfg-line); }
.mfg-tool-card__action { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; color: var(--mfg-blue); font-size: 12px; font-weight: 800; }
.mfg-tool-card--planned { border-top-color: #94a3b8; }
.mfg-tool-card--planned:hover { transform: none; box-shadow: none; }
.mfg-disciplines { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); border: 1px solid #31508d; }
.mfg-discipline { min-height: 150px; padding: 22px 18px; color: #fff; text-decoration: none; border-right: 1px solid #31508d; background: rgba(255,255,255,.02); }
.mfg-discipline:last-child { border-right: 0; }
.mfg-discipline:hover { color: #fff; background: rgba(255,255,255,.08); }
.mfg-discipline .dashicons { color: #93c5fd; font-family: dashicons; font-size: 26px; font-style: normal; line-height: 1; }
.mfg-discipline strong { display: block; margin-top: 22px; font-size: 14px; }
.mfg-discipline > span:not(.dashicons) { color: #bfdbfe; font: 10px/1.4 var(--mfg-mono); }
.mfg-guide-card { padding: 24px; background: #fff; border: 1px solid var(--mfg-line); }
.mfg-guide-card h3 { margin: 9px 0; font-size: 20px; letter-spacing: -.025em; }
.mfg-guide-card p { color: var(--mfg-muted); font-size: 14px; }
.mfg-guide-card code { display: block; margin-top: 18px; padding-top: 15px; color: var(--mfg-blue-deep); border-top: 1px solid var(--mfg-line); font: 11px/1.5 var(--mfg-mono); }
.mfg-guide-card__action { display: inline-block; margin-top: 15px; font-size: 12px; font-weight: 800; }

/* Directory */
.mfg-page-hero { padding: 58px 0 38px; background: #fff; border-bottom: 1px solid var(--mfg-line); }
.mfg-page-hero h1 { max-width: 760px; margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1; letter-spacing: -.055em; }
.mfg-page-hero p { max-width: 800px; margin: 20px 0 0; color: var(--mfg-ink-soft); font-size: 18px; }
.mfg-tool-controls { position: sticky; top: 115px; z-index: 30; padding: 16px 0; background: rgba(247,249,252,.96); border-bottom: 1px solid var(--mfg-line); backdrop-filter: blur(9px); }
.mfg-tool-search { position: relative; }
.mfg-tool-search .dashicons { position: absolute; left: 14px; top: 13px; color: var(--mfg-muted); }
.mfg-tool-search input { width: 100%; height: 48px; padding: 0 16px 0 44px; background: #fff; border: 1px solid var(--mfg-line-dark); }
.mfg-filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.mfg-filter { min-height: 34px; padding: 0 13px; color: var(--mfg-ink-soft); background: #fff; border: 1px solid var(--mfg-line-dark); border-radius: 999px; font: 700 11px/1 var(--mfg-mono); cursor: pointer; }
.mfg-filter:hover, .mfg-filter.is-active { color: #fff; background: var(--mfg-blue); border-color: var(--mfg-blue); }
.mfg-directory { padding: 46px 0 70px; }
.mfg-directory-group { margin-bottom: 46px; }
.mfg-directory-group__head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--mfg-blue-deep); }
.mfg-directory-group__head h2 { margin: 0; font-size: 22px; letter-spacing: -.025em; }
.mfg-directory-group__head .dashicons { color: var(--mfg-blue); }
.mfg-directory-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.mfg-directory-card { display: flex; flex-direction: column; min-height: 205px; padding: 18px; background: #fff; border: 1px solid var(--mfg-line); }
.mfg-directory-card:hover { border-color: #93aaca; box-shadow: 0 10px 22px rgba(15,45,107,.07); }
.mfg-directory-card h3 { margin: 8px 0; font-size: 16px; line-height: 1.3; }
.mfg-directory-card p { margin: 0; color: var(--mfg-muted); font-size: 12px; }
.mfg-directory-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 15px; }
.mfg-directory-card__units { color: var(--mfg-muted); font: 9px/1.35 var(--mfg-mono); text-transform: uppercase; }
.mfg-directory-card__link { font-size: 11px; font-weight: 800; text-decoration: none; }
.mfg-directory-empty { display: none; padding: 38px; text-align: center; background: #fff; border: 1px dashed var(--mfg-line-dark); }
.mfg-directory-empty.is-visible { display: block; }

/* Calculator */
.mfg-calc-shell { padding: 46px 0 70px; }
.mfg-breadcrumbs { display: flex; gap: 7px; align-items: center; margin-bottom: 20px; color: var(--mfg-muted); font: 10px/1.4 var(--mfg-mono); text-transform: uppercase; }
.mfg-breadcrumbs a { color: var(--mfg-muted); text-decoration: none; }
.mfg-calc-head { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: end; margin-bottom: 26px; }
.mfg-calc-head h1 { max-width: 780px; margin: 0; font-size: clamp(34px, 4.6vw, 56px); line-height: 1.02; letter-spacing: -.05em; }
.mfg-calc-head p { max-width: 760px; margin: 16px 0 0; color: var(--mfg-ink-soft); }
.mfg-unit-toggle { display: inline-flex; padding: 4px; background: #e8edf5; border: 1px solid var(--mfg-line-dark); border-radius: var(--mfg-radius); }
.mfg-unit-toggle button { min-width: 86px; min-height: 36px; color: var(--mfg-muted); background: transparent; border: 0; cursor: pointer; font: 700 11px/1 var(--mfg-mono); }
.mfg-unit-toggle button.is-active { color: #fff; background: var(--mfg-blue-deep); }
.mfg-calc-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: 22px; align-items: start; }
.mfg-panel { background: #fff; border: 1px solid var(--mfg-line-dark); box-shadow: 0 10px 30px rgba(15,45,107,.06); }
.mfg-panel__bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; color: #fff; background: var(--mfg-blue-deep); }
.mfg-panel__bar h2 { margin: 0; font: 700 12px/1.3 var(--mfg-mono); letter-spacing: .07em; text-transform: uppercase; }
.mfg-panel__body { padding: 22px; }
.mfg-field-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 17px; }
.mfg-field label { display: block; margin-bottom: 7px; color: var(--mfg-ink-soft); font-size: 12px; font-weight: 750; }
.mfg-field__control { position: relative; }
.mfg-field input { width: 100%; height: 48px; padding: 0 58px 0 13px; color: var(--mfg-ink); background: #fbfdff; border: 1px solid var(--mfg-line-dark); font-family: var(--mfg-mono); }
.mfg-field input:focus { background: #fff; border-color: var(--mfg-blue); outline: 3px solid #dbeafe; }
.mfg-field__unit { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--mfg-muted); font: 10px/1 var(--mfg-mono); pointer-events: none; }
.mfg-field__hint { margin: 5px 0 0; color: var(--mfg-muted); font-size: 10px; }
.mfg-field-error { min-height: 20px; margin: 12px 0 0; color: #b91c1c; font-size: 12px; }
.mfg-calc-actions { display: flex; gap: 9px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--mfg-line); }
.mfg-results { position: sticky; top: 146px; }
.mfg-result-primary { padding: 25px 22px; color: #fff; background: var(--mfg-blue-deep); border-bottom: 1px solid #31508d; }
.mfg-result-primary span { display: block; color: #bfdbfe; font: 700 10px/1.4 var(--mfg-mono); letter-spacing: .08em; text-transform: uppercase; }
.mfg-result-primary strong { display: block; margin-top: 5px; font: 750 clamp(34px,5vw,52px)/1 var(--mfg-mono); letter-spacing: -.05em; }
.mfg-result-primary small { color: #dbeafe; font-family: var(--mfg-mono); }
.mfg-result-secondary { display: grid; grid-template-columns: 1fr 1fr; }
.mfg-result-box { padding: 18px 20px; background: #f8fbff; border-right: 1px solid var(--mfg-line); border-bottom: 1px solid var(--mfg-line); }
.mfg-result-box:nth-child(even) { border-right: 0; }
.mfg-result-box span { display: block; color: var(--mfg-muted); font: 9px/1.3 var(--mfg-mono); text-transform: uppercase; }
.mfg-result-box strong { display: block; margin-top: 5px; color: var(--mfg-blue-deep); font: 750 21px/1.15 var(--mfg-mono); }
.mfg-result-note { padding: 16px 20px; color: var(--mfg-muted); background: #fff; font-size: 11px; }
.mfg-formula-section { margin-top: 28px; }
.mfg-formula-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.mfg-formula { padding: 20px; background: #fff; border: 1px solid var(--mfg-line); }
.mfg-formula h3 { margin: 0 0 12px; font-size: 15px; }
.mfg-formula code { display: block; padding: 14px; overflow-x: auto; color: var(--mfg-blue-deep); background: var(--mfg-blue-pale); border-left: 3px solid var(--mfg-blue); font: 13px/1.55 var(--mfg-mono); }
.mfg-formula p { margin: 12px 0 0; color: var(--mfg-muted); font-size: 12px; }
.mfg-disclaimer { margin-top: 24px; padding: 17px 19px; color: #78350f; background: #fffbeb; border: 1px solid #fde68a; font-size: 12px; }
.mfg-disclaimer strong { display: block; margin-bottom: 4px; font-family: var(--mfg-mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }

/* Footer and general content */
.mfg-site-footer { color: #cbd5e1; background: #0b1731; border-top: 6px solid var(--mfg-blue); }
.mfg-footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 50px; padding: 54px 0 42px; }
.mfg-footer-brand p { max-width: 350px; color: #94a3b8; font-size: 13px; }
.mfg-footer-col h2 { margin: 0 0 14px; color: #fff; font: 700 10px/1.3 var(--mfg-mono); letter-spacing: .09em; text-transform: uppercase; }
.mfg-footer-col ul { list-style: none; margin: 0; padding: 0; }
.mfg-footer-col li { margin: 7px 0; }
.mfg-footer-col a { color: #aebbd0; font-size: 12px; text-decoration: none; }
.mfg-footer-col a:hover { color: #fff; }
.mfg-footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0 22px; color: #718096; border-top: 1px solid #233452; font: 9px/1.5 var(--mfg-mono); text-transform: uppercase; }
.mfg-content { min-height: 50vh; padding: 54px 0; }
.mfg-content article { max-width: 820px; padding: 35px; background: #fff; border: 1px solid var(--mfg-line); }
.mfg-content h1 { margin-top: 0; letter-spacing: -.04em; }

@media (max-width: 1040px) {
  .mfg-grid--4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .mfg-disciplines { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .mfg-discipline { border-bottom: 1px solid #31508d; }
  .mfg-directory-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .mfg-footer-grid { grid-template-columns: 1.4fr repeat(2,1fr); }
  .mfg-footer-col:last-child { grid-column: 2 / 4; }
}

@media (max-width: 820px) {
  .mfg-utility { display: none; }
  .mfg-header-main { position: relative; z-index: 2; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; min-height: 64px; background: #fff; }
  .mfg-header-search { display: none; }
  .mfg-menu-toggle { display: inline-flex; }
  .mfg-primary-nav { display: none; }
  .mfg-primary-nav.is-open { display: block; }
  .mfg-primary-nav__inner { display: grid; gap: 0; padding: 8px 0 14px; }
  .mfg-primary-nav a { padding: 9px 0; }
  .mfg-nav-tools { margin-left: 0; }
  .mfg-hero { padding: 52px 0; }
  .mfg-hero__inner { grid-template-columns: 1fr; gap: 34px; }
  .mfg-hero-panel { max-width: 590px; }
  .mfg-calc-head { grid-template-columns: 1fr; align-items: start; }
  .mfg-calc-layout { grid-template-columns: 1fr; }
  .mfg-results { position: static; }
  .mfg-tool-controls { top: 64px; }
}

@media (max-width: 620px) {
  .mfg-container { width: min(100% - 24px, 1180px); }
  .mfg-brand { gap: 8px; }
  .mfg-brand__mark { width: 32px; height: 32px; }
  .mfg-brand__name { font-size: 14px; }
  .mfg-brand__sub { font-size: 8px; }
  .mfg-section { padding: 46px 0; }
  .mfg-section-head { align-items: start; flex-direction: column; gap: 10px; }
  .mfg-hero h1 { font-size: 43px; }
  .mfg-hero-search { display: block; padding: 7px; }
  .mfg-hero-search input, .mfg-hero-search button { width: 100%; }
  .mfg-grid--4, .mfg-grid--3, .mfg-grid--2, .mfg-directory-grid, .mfg-formula-grid { grid-template-columns: 1fr; }
  .mfg-disciplines { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .mfg-discipline:nth-child(even) { border-right: 0; }
  .mfg-page-hero { padding-top: 42px; }
  .mfg-tool-controls { position: static; }
  .mfg-field-grid { grid-template-columns: 1fr; }
  .mfg-calc-shell { padding-top: 30px; }
  .mfg-calc-actions { flex-direction: column; }
  .mfg-calc-actions button { width: 100%; }
  .mfg-footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .mfg-footer-col:last-child { grid-column: auto; }
  .mfg-footer-bottom { flex-direction: column; }
}