@font-face {
  font-family: "DM Sans";
  src: url("/fonts/dm-sans.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #071b36;
  --navy-2: #0b294c;
  --blue: #123c66;
  --gold: #c98a16;
  --gold-2: #e0a62e;
  --ink: #0c2340;
  --muted: #56677c;
  --line: #dce3eb;
  --line-soft: #e9edf2;
  --paper: #fffefd;
  --soft: #f7f8fa;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(13, 35, 62, 0.09);
  --serif: "DM Sans", Arial, sans-serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.68; -webkit-font-smoothing: antialiased; }
body, button, input { font-family: var(--sans); }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }

.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; background: var(--navy); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.shell { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid rgba(12, 35, 64, 0.11); background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(15px); }
.site-header__inner { position: relative; min-height: 76px; display: grid; grid-template-columns: 260px 1fr auto; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; width: 225px; }
.brand img { width: 100%; height: auto; }
.desktop-nav { display: flex; justify-content: center; align-self: stretch; gap: 24px; }
.desktop-nav a { position: relative; display: inline-flex; align-items: center; text-decoration: none; font-weight: 600; font-size: 14px; }
.mobile-menu { display: none; align-items: center; justify-content: center; width: 42px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
.mobile-menu span { position: absolute; width: 18px; height: 2px; border-radius: 99px; background: currentColor; transition: transform .18s ease; }
.mobile-menu span:first-child { transform: translateY(-4px); }
.mobile-menu span:last-child { transform: translateY(4px); }
.mobile-menu[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.mobile-menu[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }
.desktop-nav a::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--gold); transform: scaleX(0); transition: transform 0.2s ease; }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { transform: scaleX(1); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border: 1px solid transparent; border-radius: 7px; background: var(--navy-2); color: #fff; font-weight: 750; text-decoration: none; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(7, 27, 54, 0.18); }
.button--nav { min-height: 44px; padding-inline: 22px; font-size: 14px; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line-soft); background: linear-gradient(100deg, #fffefd 0%, #fff 58%, #fbf8f2 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border: 1px solid rgba(201, 138, 22, 0.1); border-radius: 50%; }
.hero::before { width: 270px; height: 270px; left: -180px; top: 42px; box-shadow: 0 0 0 26px rgba(201,138,22,.025), 0 0 0 52px rgba(201,138,22,.02); }
.hero::after { width: 230px; height: 230px; right: -160px; bottom: -90px; box-shadow: 0 0 0 26px rgba(18,60,102,.025), 0 0 0 52px rgba(18,60,102,.02); }
.hero__texture { position: absolute; inset: 0 0 0 58%; opacity: .22; background-image: linear-gradient(rgba(18,60,102,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(18,60,102,.1) 1px, transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(90deg, transparent, black); }
.hero__grid { position: relative; z-index: 1; min-height: 445px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 58px; padding-block: 48px 55px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; color: #758397; font-size: 12px; }
.breadcrumbs a { text-decoration: none; }
.eyebrow { margin: 0 0 10px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .075em; text-transform: uppercase; }
h1, h2, h3 { color: var(--ink); font-family: var(--serif); font-weight: 500; line-height: 1.18; }
.hero h1 { margin: 0; font-size: clamp(45px, 4.2vw, 60px); letter-spacing: -.035em; }
.hero__lead { max-width: 650px; margin: 22px 0 24px; color: var(--muted); font-size: 17px; }
.hero__lead strong { color: var(--ink); }
.hero__meta { display: flex; align-items: center; gap: 14px; color: #637489; font-size: 13px; }
.hero__meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero__meta svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.hero__meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.hero-illustration { align-self: stretch; display: grid; place-items: center; color: #b77b19; }
.hero-illustration svg { width: 100%; max-width: 490px; }
.hero-line { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.hero-nodes { fill: #fff; stroke: currentColor; stroke-width: 2; }
.hero-percent { fill: currentColor; font: 46px var(--serif); }

.article-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 62px; padding-block: 62px 88px; }
.guide-nav { position: sticky; top: 108px; align-self: start; display: flex; flex-direction: column; gap: 0; padding: 24px 22px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.86); box-shadow: 0 10px 28px rgba(12,35,64,.04); }
.guide-nav strong { margin-bottom: 14px; font-family: var(--serif); font-size: 18px; font-weight: 500; }
.guide-nav a { position: relative; padding: 10px 0 10px 16px; color: #4c6077; font-size: 12px; font-weight: 650; line-height: 1.35; text-decoration: none; }
.guide-nav a::before { content: ""; position: absolute; top: 17px; left: 0; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.guide-nav a:hover { color: var(--ink); }
.article { min-width: 0; }
.content-section { padding-bottom: 48px; border-bottom: 1px solid var(--line); margin-bottom: 42px; }
.content-disclosure > summary { display: block; cursor: default; list-style: none; }
.content-disclosure > summary::-webkit-details-marker { display: none; }
.content-disclosure > summary > i { display: none; }
.content-section h2, .interpretation h2, .next-steps h2, .author-card h2, .faq h2 { margin: 0 0 22px; font-size: clamp(28px, 3.3vw, 39px); letter-spacing: -.025em; }
.content-section h2 span, .interpretation h2 span { color: var(--blue); }
.content-section > p { max-width: 850px; margin: 0 0 14px; color: #405269; }
.content-section strong { color: var(--ink); }

.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; margin-top: 34px; }
.benefit { display: grid; grid-template-columns: 38px 1fr; gap: 13px; align-items: start; }
.benefit svg { width: 34px; fill: none; stroke: var(--blue); stroke-width: 1.4; }
.benefit strong { display: block; margin-bottom: 6px; font-size: 14px; }
.benefit p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.plain-note { display: flex; gap: 18px; margin-top: 32px; padding: 17px 20px; border-left: 3px solid var(--gold); background: var(--soft); color: #52647a; font-size: 13px; }
.plain-note strong { flex: 0 0 auto; }

.annex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0 24px; }
.annex-card { padding: 24px 30px 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; text-align: center; box-shadow: 0 8px 25px rgba(12,35,64,.035); }
.pill { display: inline-flex; padding: 4px 13px; border-radius: 99px; background: var(--navy-2); color: #fff; font-size: 10px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.annex-rate { margin: 8px 0 2px; color: var(--muted); }
.annex-rate strong { font: 48px var(--serif); font-weight: 500; letter-spacing: -.05em; }
.annex-card > p:nth-of-type(2) { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.annex-card > div { margin-inline: -30px; padding: 14px 20px; border-top: 1px solid var(--line-soft); color: #405269; font-size: 13px; }
.emphasis { font-weight: 550; }

.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 30px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.concept-grid article { position: relative; padding: 26px 23px; background: #fff; }
.concept-grid article > span { color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.concept-grid h3 { margin: 12px 0 8px; font-size: 19px; }
.concept-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.calculator-intro { padding-top: 10px; margin-bottom: 22px; text-align: center; }
.calculator-intro h2 { margin: 0 0 8px; font-size: clamp(34px, 4vw, 46px); }
.calculator-intro > p:last-child { max-width: 610px; margin: 0 auto; color: var(--muted); }
.calculator-card { display: grid; grid-template-columns: .92fr 1.35fr; margin-bottom: 20px; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.calculator-form, .calculator-result { padding: 28px 30px; }
.calculator-form { border-right: 1px solid var(--line); }
.calculator-card h3 { margin: 0 0 20px; font-size: 23px; }
.calculator-card h3 span { color: var(--blue); }
.calculator-form > label, .toggle-field legend, .employee-payroll > label { display: block; margin-bottom: 7px; color: #28415f; font-size: 12px; font-weight: 750; }
.money-field { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; min-height: 64px; padding: 0 16px; border: 1px solid #cad4df; border-radius: 7px; background: #fff; box-shadow: inset 0 1px 2px rgba(12,35,64,.03); transition: border-color .2s, box-shadow .2s; }
.money-field:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(18,60,102,.1); }
.money-field span { color: #425974; font-weight: 700; }
.money-field input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font: 36px var(--serif); text-align: right; }
.money-field--small { min-height: 52px; }
.money-field--small input { font-size: 26px; }
.toggle-field { margin: 18px 0 0; padding: 0; border: 0; }
.segmented-control { display: grid; grid-template-columns: 1fr .42fr; min-height: 43px; border: 1px solid #cad4df; border-radius: 7px; overflow: hidden; }
.segmented-control input { position: absolute; opacity: 0; pointer-events: none; }
.segmented-control label { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 10px; color: #405269; font-size: 12px; font-weight: 700; cursor: pointer; }
.segmented-control label + input + label { border-left: 1px solid #cad4df; }
.segmented-control input:checked + label { background: var(--navy-2); color: #fff; }
.segmented-control input:checked + label::before { content: "✓"; font-weight: 800; }
.employee-payroll { margin-top: 17px; }
.employee-payroll small { display: block; margin-top: 6px; color: #768396; font-size: 10px; line-height: 1.45; }
.employee-payroll.is-hidden { display: none; }
.button--calculate { width: 100%; min-height: 52px; margin-top: 20px; border: 0; background: linear-gradient(120deg, #071b36, #123c66); }
.button--calculate svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.privacy-note { display: flex; justify-content: center; align-items: center; gap: 7px; margin: 13px 0 0; color: #7a8798; font-size: 10px; }
.privacy-note svg { width: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; }

.calculator-result { background: linear-gradient(145deg, #fff, #fbfcfd); }
.result-overview { display: grid; grid-template-columns: 68px 1fr auto; align-items: center; gap: 16px; min-height: 80px; padding: 10px 14px; border: 1px solid var(--line-soft); border-radius: 8px; }
.factor-ring { --ring: 0deg; position: relative; display: grid; place-items: center; width: 62px; height: 62px; border-radius: 50%; background: conic-gradient(var(--gold) var(--ring), #e7ebef 0); }
.factor-ring::before { content: ""; position: absolute; width: 48px; height: 48px; border-radius: inherit; background: #fff; }
.factor-ring strong { position: relative; z-index: 1; font-size: 16px; }
.result-overview > div:nth-child(2) span { display: block; color: var(--ink); font: 17px var(--serif); }
.result-overview small { color: #788699; font-size: 10px; }
.annex-badge { justify-self: end; padding: 7px 12px; border-radius: 5px; background: var(--navy-2); color: #fff; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.prolabore-result { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 10px; padding: 14px 17px; border: 1px solid var(--line-soft); border-radius: 8px; }
.prolabore-result span { font-family: var(--serif); }
.prolabore-result strong { white-space: nowrap; font: 26px var(--serif); font-weight: 500; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.result-metric { min-width: 0; padding: 12px 11px; border: 1px solid var(--line-soft); border-radius: 7px; }
.result-metric span, .result-metric small { display: block; color: #718095; font-size: 9px; line-height: 1.35; }
.result-metric strong { display: block; margin: 3px 0; font-size: 14px; white-space: nowrap; }
.result-metric--accent { border-color: rgba(201,138,22,.45); }
.result-metric--accent strong { color: var(--gold); }
.comparison-bars { margin-top: 10px; padding: 14px 16px 10px; border: 1px solid var(--line-soft); border-radius: 8px; }
.comparison-bars > div { display: grid; grid-template-columns: 85px 1fr 76px; align-items: center; gap: 10px; margin: 7px 0; font-size: 10px; }
.comparison-bars > div > span { font-weight: 650; }
.comparison-bars > div > strong { text-align: right; }
.comparison-bars i { display: block; height: 8px; border-radius: 99px; background: #eceff2; overflow: hidden; }
.comparison-bars b { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--navy-2); transition: width .5s ease; }
.comparison-bars > div:nth-child(2) b { background: #87909b; }
.comparison-bars p { margin: 10px 0 0; color: var(--gold); font-size: 10px; font-weight: 750; text-align: center; }
.calculator-status { min-height: 16px; margin: 9px 0 -8px; color: #7a8798; font-size: 10px; text-align: center; }
.calculator-status.is-error { color: #a63838; }
.calculator-disclaimer { display: flex; justify-content: center; align-items: flex-start; gap: 8px; margin: 0 0 50px; color: #708094; font-size: 11px; text-align: center; }
.calculator-disclaimer svg { flex: 0 0 16px; width: 16px; margin-top: 2px; fill: none; stroke: currentColor; stroke-width: 1.7; }

.interpretation { padding-top: 0; }
.interpretation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.interpretation-grid article { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.interpretation-grid b { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--navy-2); color: #fff; font-size: 12px; }
.interpretation-grid article + article { padding-left: 24px; border-left: 1px solid var(--line); }
.interpretation-grid h3 { margin: 0 0 7px; font-size: 17px; }
.interpretation-grid p { margin: 0; color: var(--muted); font-size: 12px; }
.next-steps { display: grid; grid-template-columns: 1.05fr .95fr; gap: 55px; align-items: start; margin: 0 0 42px; padding: 36px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); }
.next-steps h2 { margin-bottom: 14px; }
.next-steps p { color: var(--muted); }
.next-steps ul { margin: 20px 0 0; padding: 0; list-style: none; }
.next-steps li { position: relative; padding: 9px 0 9px 26px; border-bottom: 1px solid #dde3e9; color: #405269; font-size: 13px; }
.next-steps li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 800; }
.author-card { display: grid; grid-template-columns: 135px 1fr; align-items: center; gap: 30px; margin-bottom: 42px; padding: 24px 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.author-card img { width: 118px; height: 118px; border-radius: 50%; object-fit: cover; object-position: center top; filter: saturate(.85); }
.author-card h2 { margin: 0 0 8px; font-size: 28px; }
.author-card p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.faq { margin-bottom: 45px; }
.faq h2 { margin-bottom: 20px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 17px 38px 17px 0; color: var(--ink); font-weight: 750; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; top: 12px; right: 5px; color: var(--gold); font: 26px var(--serif); }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 780px; margin: -5px 0 18px; color: var(--muted); font-size: 14px; }

.closing { display: grid; grid-template-columns: 58px 1fr auto; gap: 22px; align-items: center; padding: 30px 36px 0; border: 1px solid var(--gold); border-radius: 8px; background: radial-gradient(circle at 85% 15%, #12456e, transparent 38%), linear-gradient(120deg, #061a34, #082746); color: #fff; box-shadow: 0 18px 40px rgba(7,27,54,.16); }
.closing__icon svg { width: 48px; fill: none; stroke: var(--gold-2); stroke-width: 1.8; }
.closing h2 { margin: 0 0 6px; color: #fff; font-size: 25px; }
.closing p { margin: 0; color: #d3deea; font-size: 13px; }
.button--outline-gold { min-width: 190px; border-color: var(--gold-2); background: transparent; color: var(--gold-2); font-size: 12px; }
.closing__signature { grid-column: 1 / -1; display: flex; align-items: center; gap: 13px; min-height: 50px; margin-top: 9px; border-top: 1px solid rgba(255,255,255,.25); font-size: 12px; }
.closing__signature i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }

.site-footer { padding: 46px 0 0; background: linear-gradient(135deg, #06182f, #082846); color: #d8e2ec; }
.footer-grid { display: grid; grid-template-columns: 1.45fr repeat(4, 1fr); gap: 34px; padding-bottom: 40px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 7px; }
.footer-grid strong { display: block; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.2); color: #fff; font-family: var(--serif); font-weight: 500; }
.footer-grid a { color: #c7d4e0; font-size: 12px; text-decoration: none; }
.footer-grid span { color: #c7d4e0; font-size: 12px; line-height: 1.45; }
.footer-grid a:hover { color: #fff; }
.footer-brand img { width: 180px; padding: 7px 10px; border-radius: 4px; background: rgba(255,255,255,.94); }
.footer-brand p { max-width: 260px; color: #c7d4e0; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 14px; border-top: 1px solid rgba(255,255,255,.15); color: #97aabe; font-size: 10px; }

@media (max-width: 1000px) {
  .site-header__inner { grid-template-columns: 220px 1fr auto; }
  .desktop-nav { gap: 24px; }
  .hero__grid { gap: 25px; }
  .article-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 35px; }
  .calculator-card { grid-template-columns: 1fr; }
  .calculator-form { border-right: 0; border-bottom: 1px solid var(--line); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { gap: 30px; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 74px; }
  .shell { width: min(100% - 32px, 720px); }
  .site-header__inner { min-height: 66px; grid-template-columns: 1fr auto auto; gap: 10px; }
  .brand { width: 190px; }
  .desktop-nav { display: none; }
  .desktop-nav.is-open { position: absolute; top: 100%; right: 0; left: 0; display: flex; align-items: stretch; flex-direction: column; gap: 0; padding: 12px 16px 16px; border: 1px solid var(--line); border-top: 0; background: rgba(255,255,255,.99); box-shadow: var(--shadow); }
  .desktop-nav.is-open a { min-height: 44px; border-bottom: 1px solid var(--line-soft); }
  .mobile-menu { display: inline-flex; }
  .button--nav { min-height: 40px; padding-inline: 14px; font-size: 12px; }
  .hero__grid { min-height: 0; display: block; padding-block: 35px 42px; }
  .hero__copy { position: relative; z-index: 2; text-align: left; }
  .breadcrumbs { justify-content: flex-start; margin-bottom: 20px; }
  .hero h1 { max-width: 680px; font-size: clamp(38px, 8.6vw, 52px); }
  .hero__lead { position: relative; z-index: 2; margin-inline: 0; }
  .hero__meta { justify-content: flex-start; }
  .hero-illustration { position: absolute; z-index: 1; right: -28px; bottom: 0; width: min(42%, 290px); margin: 0; opacity: .3; pointer-events: none; }
  .article-layout { grid-template-columns: 1fr; padding-block: 38px 65px; }
  .guide-nav { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .guide-nav strong { grid-column: 1 / -1; }
  .benefits, .concept-grid, .interpretation-grid { grid-template-columns: 1fr; }
  .benefit { padding-bottom: 16px; border-bottom: 1px solid var(--line-soft); }
  .concept-grid { gap: 1px; }
  .interpretation-grid article + article { padding: 18px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .next-steps { grid-template-columns: 1fr; gap: 5px; }
  .closing { grid-template-columns: 50px 1fr; }
  .closing .button { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 580px) {
  body { font-size: 15px; }
  .shell { width: min(100% - 24px, 540px); }
  .site-header__inner { min-height: 62px; }
  .brand { width: 156px; }
  .mobile-menu { width: 38px; height: 36px; }
  .button--nav { min-height: 36px; padding: 0 10px; border-radius: 5px; font-size: 10px; }
  .hero__grid { padding: 28px 0 36px; }
  .breadcrumbs { gap: 7px; font-size: 10px; }
  .hero h1 { font-size: clamp(34px, 9vw, 37px); line-height: 1.12; }
  .hero__lead { max-width: 96%; font-size: 15px; }
  .hero__meta { font-size: 11px; }
  .hero-illustration { right: -48px; bottom: 8px; width: 235px; margin: 0; opacity: .22; }
  .article-layout { gap: 30px; }
  .guide-nav { display: none; }
  .content-section { padding-bottom: 34px; margin-bottom: 32px; }
  .content-disclosure { padding-bottom: 0; margin-bottom: 0; scroll-margin-top: 78px; }
  .content-disclosure > summary { position: relative; padding: 18px 38px 18px 0; cursor: pointer; }
  .content-disclosure > summary h2 { margin: 0; font-size: 20px; line-height: 1.3; }
  .content-disclosure > summary > i { position: absolute; top: 50%; right: 2px; display: block; width: 18px; height: 18px; transform: translateY(-50%); }
  .content-disclosure > summary > i::before, .content-disclosure > summary > i::after { position: absolute; top: 8px; right: 0; left: 0; height: 2px; background: var(--gold); content: ""; }
  .content-disclosure > summary > i::after { transform: rotate(90deg); transition: transform .18s ease; }
  .content-disclosure[open] > summary > i::after { transform: rotate(0); }
  .content-disclosure[open] { padding-bottom: 28px; }
  .content-section h2, .interpretation h2, .next-steps h2, .faq h2 { font-size: 27px; }
  .benefits { gap: 15px; }
  .plain-note { flex-direction: column; gap: 4px; }
  .annex-grid { grid-template-columns: 1fr; }
  .calculator-intro h2 { font-size: 34px; }
  .calculator-card { margin-inline: -4px; }
  .calculator-form, .calculator-result { padding: 23px 18px; }
  .money-field { min-height: 58px; }
  .money-field input { font-size: 31px; }
  .result-overview { grid-template-columns: 60px 1fr auto; gap: 10px; padding-inline: 10px; }
  .factor-ring { width: 56px; height: 56px; }
  .factor-ring::before { width: 44px; height: 44px; }
  .result-overview > div:nth-child(2) span { font-size: 15px; }
  .annex-badge { padding: 6px 8px; font-size: 8px; }
  .prolabore-result { align-items: flex-start; flex-direction: column; gap: 3px; }
  .prolabore-result strong { font-size: 27px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .result-metric strong { font-size: 13px; }
  .comparison-bars > div { grid-template-columns: 78px 1fr 68px; gap: 7px; }
  .calculator-disclaimer { text-align: left; }
  .next-steps { padding: 26px 20px; }
  .author-card { grid-template-columns: 82px 1fr; gap: 18px; padding-inline: 8px; }
  .author-card img { width: 82px; height: 82px; }
  .author-card h2 { font-size: 24px; }
  .author-card p:last-child { grid-column: 1 / -1; }
  .closing { padding: 25px 20px 0; }
  .closing__icon { display: none; }
  .closing > div:nth-child(2), .closing .button { grid-column: 1 / -1; }
  .closing__signature { flex-wrap: wrap; gap: 8px; padding-block: 10px; line-height: 1.2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { display: flex; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}