:root {
  --paper: #f7f8f3;
  --surface: #fff;
  --surface-soft: #f1f8e9;
  --mint: #e8f3ed;
  --ink: #123d36;
  --ink-deep: #082e2b;
  --muted: #728980;
  --green: #21994e;
  --green-deep: #0a6d4c;
  --lime: #adff24;
  --line: #d6e2da;
  --line-soft: #e7ece7;
  --shadow: 0 24px 70px rgba(10, 63, 52, .09);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shell: min(1440px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Onest", sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(33, 153, 78, .4); outline-offset: 4px; }
[hidden] { display: none !important; }

.site-header {
  position: sticky;
  z-index: 40;
  top: 14px;
  display: grid;
  align-items: center;
  width: var(--shell);
  min-height: 72px;
  grid-template-columns: minmax(170px, 1fr) auto minmax(220px, 1fr);
  gap: 28px;
  margin: 14px auto 0;
  padding: 12px 14px 12px 24px;
  border: 1px solid rgba(198, 214, 203, .88);
  border-radius: 22px;
  background: rgba(255, 255, 255, .91);
  box-shadow: 0 13px 42px rgba(12, 51, 42, .08);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; width: 142px; align-items: center; }
.brand img { width: 100%; height: auto; }
.site-header nav { display: flex; align-items: center; justify-content: center; gap: 28px; font-size: 13px; font-weight: 600; }
.site-header nav a { position: relative; padding: 10px 0; }
.site-header nav a::after { position: absolute; right: 0; bottom: 3px; left: 0; height: 2px; background: var(--lime); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.site-header nav a:hover::after { transform: scaleX(1); }
.header-cta { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; justify-self: end; gap: 18px; padding: 0 18px; color: #fff; border-radius: 14px; background: var(--ink-deep); font: 700 12px/1 "Manrope", sans-serif; }
.header-cta span { display: grid; width: 24px; height: 24px; place-items: center; color: var(--ink-deep); border-radius: 8px; background: var(--lime); }

.section-shell { width: var(--shell); margin-inline: auto; }
.blog-hero { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(420px, .82fr); gap: clamp(48px, 7vw, 110px); align-items: end; min-height: 620px; padding-block: clamp(78px, 9vw, 132px) 82px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; color: var(--green); font: 700 11px/1.2 "Manrope", sans-serif; letter-spacing: .105em; text-transform: uppercase; }
.eyebrow i { display: block; width: 24px; height: 7px; border: 1px solid rgba(120, 187, 35, .34); border-radius: 999px; background: var(--lime); box-shadow: 0 0 0 5px rgba(173, 255, 36, .12); }
.blog-hero h1 { max-width: 870px; margin: 0; color: var(--ink-deep); font: 500 clamp(36px, 3.2vw, 48px)/1.02 "Onest", sans-serif; letter-spacing: -.045em; }
.blog-hero h1 em { color: var(--green); font-style: normal; }
.blog-hero > div > p:last-child { max-width: 770px; margin: 34px 0 0; color: #5e766d; font: 400 clamp(17px, 1.35vw, 21px)/1.58 "Onest", sans-serif; }

.blog-search { position: relative; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface); box-shadow: var(--shadow); }
.blog-search label { display: block; margin-bottom: 15px; color: var(--ink-deep); font: 600 20px/1.25 "Onest", sans-serif; }
.blog-search > div:nth-of-type(1) { display: flex; gap: 8px; padding: 7px; border: 1px solid #bfd0c4; border-radius: 18px; background: var(--paper); transition: border-color .2s ease, box-shadow .2s ease; }
.blog-search > div:nth-of-type(1):focus-within { border-color: var(--green); box-shadow: 0 0 0 5px rgba(33, 153, 78, .1); }
.blog-search input { min-width: 0; flex: 1; padding: 0 10px; color: var(--ink); border: 0; outline: 0; background: transparent; font-size: 14px; }
.blog-search > div:nth-of-type(1) button { display: grid; width: 46px; height: 46px; flex: 0 0 auto; place-items: center; color: var(--ink-deep); border: 0; border-radius: 13px; background: var(--lime); cursor: pointer; font-size: 22px; }
.popular-searches { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.popular-searches span { width: 100%; margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.popular-searches button { min-height: 34px; padding: 0 11px; color: #3f6158; border: 1px solid var(--line); border-radius: 999px; background: #fbfdf9; cursor: pointer; font-size: 10px; }
.popular-searches button:hover { color: var(--ink-deep); border-color: #a5cfac; background: var(--surface-soft); }
.search-results { position: absolute; z-index: 20; top: calc(100% - 18px); right: 18px; left: 18px; max-height: 450px; padding: 9px; overflow: auto; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 30px 70px rgba(8, 46, 43, .18); }
.search-result { display: block; padding: 14px 15px; border-radius: 14px; }
.search-result + .search-result { border-top: 1px solid var(--line-soft); }
.search-result:hover { background: var(--surface-soft); }
.search-result small { display: block; margin-bottom: 5px; color: var(--green); font: 700 9px/1.2 "Manrope", sans-serif; letter-spacing: .07em; text-transform: uppercase; }
.search-result strong { display: block; color: var(--ink-deep); font-size: 14px; line-height: 1.32; }
.search-result span { display: -webkit-box; margin-top: 5px; overflow: hidden; color: var(--muted); font-size: 11px; line-height: 1.45; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.search-empty { margin: 0; padding: 18px; color: var(--muted); font-size: 13px; }

.content-section, .problem-section, .materials-section { padding-block: 100px; border-top: 1px solid var(--line-soft); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .55fr); gap: 70px; align-items: end; margin-bottom: 42px; }
.section-heading .eyebrow { margin-bottom: 15px; }
.section-heading h2 { max-width: 920px; margin: 0; color: var(--ink-deep); font: 500 clamp(28px, 2.6vw, 36px)/1.05 "Onest", sans-serif; letter-spacing: -.04em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.58; }

.editorial-grid { display: grid; grid-template-columns: 1.35fr repeat(2, 1fr); gap: 13px; }
.material-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); transition: transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease, border-color .28s ease; }
.material-card:hover { z-index: 2; border-color: #afd2b4; box-shadow: 0 22px 52px rgba(8, 46, 43, .11); transform: translateY(-5px); }
.material-card > a { display: flex; height: 100%; flex-direction: column; }
.material-card figure { position: relative; height: 150px; margin: 0; overflow: hidden; background: var(--mint); }
.material-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.material-card:hover figure img { transform: scale(1.035); }
.material-card > a > div { display: flex; min-height: 245px; flex: 1; flex-direction: column; padding: 22px; }
.material-card p { display: flex; flex-wrap: wrap; gap: 6px 9px; margin: 0 0 15px; color: var(--muted); font: 700 9px/1.3 "Manrope", sans-serif; letter-spacing: .045em; text-transform: uppercase; }
.material-card p span:first-child { color: var(--green); }
.material-card b { align-self: flex-start; margin: -3px 0 10px; padding: 7px 9px; color: var(--green-deep); border-radius: 8px; background: var(--surface-soft); font: 700 9px/1 "Manrope", sans-serif; letter-spacing: .055em; text-transform: uppercase; }
.material-card h3 { margin: 0; color: var(--ink-deep); font: 500 16px/1.25 "Onest", sans-serif; letter-spacing: -.025em; }
.card-description { display: -webkit-box; margin-top: 13px; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.48; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.material-card strong { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 22px; color: var(--ink); font: 700 11px/1 "Manrope", sans-serif; }
.material-card strong i { display: grid; width: 32px; height: 32px; place-items: center; color: var(--ink-deep); border-radius: 10px; background: var(--lime); font-size: 16px; font-style: normal; }
.material-card--lead { grid-row: span 2; }
.material-card--lead figure { height: 280px; }
.material-card--lead h3 { font-size: clamp(21px, 2vw, 28px); }
.material-card--lead > a > div { min-height: 310px; }

.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface); overflow: hidden; }
.problem-card { position: relative; min-height: 260px; padding: 29px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: color .25s ease, background .25s ease; }
.problem-card:nth-child(3n) { border-right: 0; }
.problem-card:nth-last-child(-n+3) { border-bottom: 0; }
.problem-card > span { color: var(--green); font: 700 11px/1 "Manrope", sans-serif; }
.problem-card h3 { max-width: 280px; margin: 47px 0 12px; color: var(--ink-deep); font: 500 20px/1.15 "Onest", sans-serif; letter-spacing: -.03em; }
.problem-card p { max-width: 310px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.problem-card i { position: absolute; top: 26px; right: 26px; display: grid; width: 34px; height: 34px; place-items: center; color: var(--ink-deep); border-radius: 11px; background: var(--surface-soft); font-style: normal; transition: transform .25s ease, background .25s ease; }
.problem-card:hover { color: #fff; background: var(--ink-deep); }
.problem-card:hover h3, .problem-card:hover p, .problem-card:hover > span { color: inherit; }
.problem-card:hover p { opacity: .72; }
.problem-card:hover i { background: var(--lime); transform: translate(3px, -3px); }

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-row button { min-height: 42px; padding: 0 15px; color: #4d675f; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); cursor: pointer; font: 600 11px/1 "Manrope", sans-serif; transition: .2s ease; }
.filter-row button:hover, .filter-row button.is-active { color: var(--ink-deep); border-color: var(--lime); background: var(--lime); }
.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.catalog-card[hidden] { display: none; }
.load-more { display: flex; min-height: 50px; align-items: center; justify-content: center; gap: 14px; margin: 28px auto 0; padding: 0 22px; color: var(--ink-deep); border: 1px solid #bed2c4; border-radius: 14px; background: #fff; cursor: pointer; font-weight: 600; }
.load-more span { display: inline-block; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.catalog-empty { padding: 42px; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius-lg); text-align: center; }

.material-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.material-row--three { grid-template-columns: repeat(3, 1fr); }
.material-row--four { grid-template-columns: repeat(4, 1fr); }
#analysis { color: #fff; border-radius: 44px; background: var(--ink-deep); padding-inline: 44px; }
#analysis .section-heading h2, #analysis .eyebrow { color: #fff; }
#analysis .section-heading > p { color: #9fbbb2; }
#analysis .material-card { border-color: rgba(255,255,255,.15); }

.final-cta { margin-block: 100px; padding: clamp(50px, 7vw, 88px); color: #fff; border-radius: 42px; background: var(--ink-deep); box-shadow: var(--shadow); }
.final-cta h2 { max-width: 900px; margin: 0; font: 500 clamp(29px, 3.2vw, 42px)/1.03 "Onest", sans-serif; letter-spacing: -.042em; }
.final-cta > p:not(.eyebrow) { max-width: 720px; margin: 30px 0; color: #b7c9c3; font-size: 18px; line-height: 1.55; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 30px; padding: 0 23px; border-radius: 15px; font: 700 13px/1 "Manrope", sans-serif; }
.button--lime { color: var(--ink-deep); background: var(--lime); box-shadow: 0 17px 40px rgba(173, 255, 36, .12); }
.button span { font-size: 19px; }

.site-footer { display: grid; align-items: center; width: 100%; min-height: 132px; grid-template-columns: minmax(160px,1fr) auto minmax(210px,1fr); gap: 28px; padding: 28px max(32px,calc((100vw - 1440px)/2)); color: #a9bcb5; background: var(--ink-deep); }
.brand--footer { filter: brightness(0) invert(1); opacity: .92; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 11px 24px; font-size: 11px; font-weight: 600; }
.site-footer nav a:hover { color: var(--lime); }
.site-footer > div { display: flex; align-items: center; justify-self: end; gap: 18px; font-size: 11px; }
.site-footer > div a { color: #fff; font: 700 14px/1 "Manrope", sans-serif; }

/* Article */
.article-shell { width: var(--shell); margin: 0 auto; }
.article-hero { padding: 70px 0 64px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 55px; color: var(--muted); font-size: 11px; }
.breadcrumbs a:hover { color: var(--green); }
.article-hero-grid { display: grid; grid-template-columns: minmax(0, 1.13fr) minmax(380px, .7fr); gap: 70px; align-items: center; }
.article-badges { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 22px; }
.article-badges span { padding: 8px 10px; color: var(--green-deep); border-radius: 8px; background: var(--mint); font: 700 9px/1 "Manrope", sans-serif; letter-spacing: .06em; text-transform: uppercase; }
.article-hero h1 { max-width: 940px; margin: 0; color: var(--ink-deep); font: 500 clamp(32px, 3.1vw, 42px)/1.04 "Onest", sans-serif; letter-spacing: -.045em; }
.article-lead { max-width: 800px; margin: 28px 0 0; color: #607970; font-size: 18px; line-height: 1.55; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 28px; color: var(--muted); font-size: 11px; }
.article-meta span { position: relative; }
.article-meta span + span::before { position: absolute; left: -13px; content: "·"; }
.article-cover { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 30px; box-shadow: var(--shadow); }
.article-cover img { width: 100%; height: auto; }
.model-notice { display: grid; grid-template-columns: 240px 1fr; gap: 30px; margin: 0 0 54px; padding: 25px 28px; color: #5b4a23; border: 1px solid #e7d6a5; border-radius: 20px; background: #fff9e9; }
.model-notice strong { font-size: 15px; }
.model-notice p { margin: 0; font-size: 13px; line-height: 1.5; }
.article-layout { display: grid; grid-template-columns: 360px minmax(0, 820px); gap: clamp(42px, 5vw, 72px); align-items: start; justify-content: center; padding: 65px 0 110px; border-top: 1px solid var(--line); }
.article-toc { position: sticky; top: 110px; }
.article-toc details { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.article-toc summary { cursor: pointer; color: var(--ink-deep); font: 700 18px/1.25 "Manrope", sans-serif; }
.article-toc ol { display: grid; gap: 14px; margin: 22px 0 0; padding: 0; list-style: none; }
.article-toc li { padding-left: 15px; border-left: 2px solid var(--line); }
.article-toc a { color: var(--muted); font-size: 17px; line-height: 1.45; }
.article-toc a:hover, .article-toc a.is-active { color: var(--green); }
.article-toc button { width: 100%; min-height: 48px; margin-top: 12px; color: var(--ink); border: 1px solid var(--line); border-radius: 13px; background: transparent; cursor: pointer; font-size: 14px; font-weight: 600; }
.article-content { min-width: 0; color: #294d45; font-size: 17px; line-height: 1.73; }
.article-content > :first-child { margin-top: 0; }
.article-content p { margin: 0 0 24px; }
.article-content h2 { position: relative; margin: 66px 0 23px; color: var(--ink-deep); font: 500 clamp(27px, 2.4vw, 34px)/1.12 "Onest", sans-serif; letter-spacing: -.035em; }
.article-content h3 { margin: 40px 0 17px; color: var(--ink-deep); font: 600 21px/1.25 "Onest", sans-serif; letter-spacing: -.025em; }
.article-content strong { color: var(--ink-deep); }
.article-content a { color: var(--green-deep); text-decoration: underline; text-decoration-color: rgba(33,153,78,.3); text-underline-offset: 4px; }
.article-content ul, .article-content ol { display: grid; gap: 13px; margin: 0 0 28px; padding-left: 24px; }
.article-content li::marker { color: var(--green); font-weight: 700; }
.article-short-answer { margin-bottom: 40px !important; padding: 28px 30px; color: var(--ink); border: 1px solid #cfe1c7; border-radius: 20px; background: var(--surface-soft); font-size: 18px; line-height: 1.6; }
.checklist { padding: 25px !important; border: 1px solid var(--line); border-radius: 20px; background: #fff; list-style: none; }
.checklist li { display: grid; grid-template-columns: 25px 1fr; gap: 12px; }
.checklist li span { display: grid; width: 21px; height: 21px; place-items: center; color: var(--ink-deep); border: 1px solid #a7c3ad; border-radius: 6px; background: var(--lime); font-size: 12px; font-weight: 800; }
.table-wrap { max-width: 100%; margin: 35px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.table-wrap table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 13px; line-height: 1.45; }
.table-wrap th, .table-wrap td { padding: 15px 17px; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; }
.table-wrap th { color: var(--ink-deep); background: var(--surface-soft); font-weight: 700; }
.article-content blockquote { margin: 34px 0; padding: 24px 30px; color: var(--ink-deep); border-left: 4px solid var(--lime); border-radius: 0 18px 18px 0; background: #fff; font-size: 19px; }
.article-content pre { max-width: 100%; margin: 32px 0; padding: 22px; overflow-x: auto; color: #dcebe4; border-radius: 17px; background: var(--ink-deep); font-size: 12px; line-height: 1.6; }
.article-content code { padding: 2px 5px; border-radius: 5px; background: #eef4ef; font-size: .86em; }
.article-content pre code { padding: 0; background: transparent; }
.article-content hr { height: 1px; margin: 55px 0; border: 0; background: var(--line); }
.article-next { margin-top: 78px; padding: 38px; color: #fff; border-radius: 28px; background: var(--ink-deep); }
.article-next > p:first-child { margin-bottom: 14px; color: var(--lime); font: 700 10px/1 "Manrope", sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.article-next h2 { margin: 0; color: #fff; font-size: 40px; }
.article-next > p:not(:first-child) { color: #b5c8c0; }
.article-next .button { color: var(--ink-deep); text-decoration: none; }
.related-section { padding: 95px 0; border-top: 1px solid var(--line); }
.author-block { display: grid; grid-template-columns: 86px 1fr; gap: 24px; align-items: center; margin: 0 0 100px; padding: 35px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.author-mark { display: grid; width: 76px; height: 76px; place-items: center; color: var(--ink-deep); border-radius: 22px; background: var(--lime); font: 700 28px/1 "Manrope", sans-serif; }
.author-block p { margin: 0 0 6px; color: var(--green); font: 700 9px/1 "Manrope", sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.author-block h2 { margin: 0 0 8px; color: var(--ink-deep); font-size: 24px; }
.author-block span { color: var(--muted); font-size: 13px; line-height: 1.5; }

@media (max-width: 1180px) {
  :root { --shell: min(100% - 40px, 1100px); }
  .site-header { grid-template-columns: 150px 1fr auto; }
  .site-header nav { gap: 17px; }
  .blog-hero { grid-template-columns: 1fr .8fr; gap: 42px; }
  .catalog-grid, .material-row, .material-row--four { grid-template-columns: repeat(3, 1fr); }
  .editorial-grid { grid-template-columns: 1.2fr 1fr; }
  .material-card--lead { grid-row: span 2; }
  .article-hero-grid { gap: 40px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 30px, 760px); }
  .site-header { grid-template-columns: 1fr auto; top: 8px; min-height: 64px; margin-top: 8px; }
  .site-header nav { display: none; }
  .brand { width: 120px; }
  .header-cta { min-height: 42px; }
  .blog-hero { grid-template-columns: 1fr; min-height: 0; padding-block: 76px 66px; }
  .blog-search { max-width: 670px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .editorial-grid { grid-template-columns: repeat(2, 1fr); }
  .material-card--lead { grid-row: auto; grid-column: span 2; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .problem-card:nth-child(3n) { border-right: 1px solid var(--line); }
  .problem-card:nth-child(2n) { border-right: 0; }
  .problem-card:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .problem-card:nth-last-child(-n+2) { border-bottom: 0; }
  .catalog-grid, .material-row, .material-row--three, .material-row--four { grid-template-columns: repeat(2, 1fr); }
  .site-footer { grid-template-columns: 1fr; justify-items: center; gap: 22px; padding: 38px 20px; text-align: center; }
  .site-footer > div { justify-self: auto; }
  .article-hero-grid { grid-template-columns: 1fr; }
  .article-cover { max-width: 620px; }
  .article-layout { grid-template-columns: 1fr; gap: 30px; }
  .article-toc { position: static; }
  .article-toc details { padding: 20px; }
  .article-toc button { width: auto; padding: 0 16px; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 28px); --radius-xl: 26px; --radius-lg: 20px; }
  .site-header { width: calc(100% - 16px); padding: 9px 10px 9px 15px; border-radius: 18px; }
  .header-cta { width: 44px; min-height: 44px; padding: 0; }
  .header-cta { font-size: 0; }
  .header-cta span { font-size: 16px; }
  .blog-hero { gap: 36px; padding-block: 58px 55px; }
  .blog-hero h1 { font-size: clamp(34px, 9vw, 42px); }
  .blog-hero h1 br { display: none; }
  .blog-hero > div > p:last-child { margin-top: 24px; font-size: 16px; }
  .blog-search { padding: 22px; }
  .blog-search label { font-size: 18px; }
  .content-section, .problem-section, .materials-section { padding-block: 70px; }
  .section-heading { margin-bottom: 28px; }
  .section-heading h2 { font-size: clamp(28px, 8vw, 34px); }
  .section-heading > p { font-size: 14px; }
  .editorial-grid, .catalog-grid, .material-row, .material-row--three, .material-row--four { grid-template-columns: 1fr; }
  .material-card--lead { grid-column: auto; }
  .material-card--lead figure { height: 210px; }
  .material-card--lead > a > div, .material-card > a > div { min-height: 250px; }
  .material-card h3, .material-card--lead h3 { font-size: 18px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: 225px; border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .problem-card:last-child { border-bottom: 0 !important; }
  .problem-card h3 { margin-top: 34px; }
  .filter-row { flex-wrap: nowrap; margin-right: -14px; padding-right: 14px; overflow-x: auto; scrollbar-width: none; }
  .filter-row::-webkit-scrollbar { display: none; }
  .filter-row button { flex: 0 0 auto; }
  #analysis { width: 100%; padding-inline: 14px; border-radius: 0; }
  #analysis .section-heading, #analysis .material-row { width: calc(100% - 28px); margin-inline: auto; }
  .final-cta { width: calc(100% - 28px); margin-block: 70px; padding: 38px 26px; border-radius: 28px; }
  .final-cta h2 { font-size: 30px; }
  .final-cta > p:not(.eyebrow) { font-size: 15px; }
  .button { width: 100%; }
  .site-footer nav, .site-footer > div { flex-direction: column; }
  .article-hero { padding: 45px 0 50px; }
  .breadcrumbs { margin-bottom: 37px; }
  .article-hero h1 { font-size: clamp(32px, 9vw, 40px); }
  .article-lead { font-size: 16px; }
  .article-meta { display: grid; gap: 8px; }
  .article-meta span + span::before { display: none; }
  .model-notice { grid-template-columns: 1fr; gap: 8px; }
  .article-layout { padding-block: 36px 75px; }
  .article-content { font-size: 16px; line-height: 1.68; }
  .article-content h2 { margin-top: 52px; font-size: 29px; }
  .article-content h3 { font-size: 21px; }
  .article-short-answer { padding: 23px; font-size: 16px; }
  .article-next { margin-inline: -4px; padding: 28px 23px; }
  .article-next h2 { font-size: 28px; }
  .related-section { padding-block: 70px; }
  .author-block { grid-template-columns: 1fr; padding: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}