:root {
  --ink: #16211d;
  --muted: #5d6863;
  --paper: #f7f4ec;
  --paper-deep: #eee8db;
  --white: #fffef9;
  --green: #173f35;
  --green-2: #245b4c;
  --mint: #c7dbc9;
  --line: #d8d4ca;
  --gold: #a57d43;
  --shadow: 0 18px 50px rgba(29, 42, 36, .08);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.6; }
main > section, main > [id], #blog { scroll-margin-top: 104px; }
button, input { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }
.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: 12px; z-index: 50; padding: 10px 14px; background: var(--white); color: var(--green); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #c18d3d; outline-offset: 3px; }

.site-header { height: 84px; padding: 0 clamp(24px, 5vw, 78px); display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid rgba(23,63,53,.15); background: rgba(247,244,236,.94); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; min-width: max-content; }
.brand-logo { display: block; width: 176px; height: auto; }
.brand-section { padding-left: 12px; border-left: 1px solid #c8c4ba; color: var(--green); font-size: 10px; font-weight: 800; line-height: 1.25; letter-spacing: .1em; text-transform: uppercase; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--green); color: var(--paper); font-family: var(--serif); font-size: 23px; font-style: italic; }
.brand strong, .brand small { display: block; line-height: 1.05; }
.brand strong { font-family: var(--serif); font-size: 18px; font-weight: 600; }
.brand small { color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; margin-top: 5px; }
nav { display: flex; align-items: center; gap: clamp(20px, 4vw, 48px); }
nav a { text-decoration: none; color: #33423c; font-size: 14px; font-weight: 650; }
nav a:hover { color: var(--green-2); }
.access-badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid #b8c7bd; border-radius: 999px; font-size: 12px; color: var(--green); background: rgba(255,255,255,.4); }
.access-badge span { width: 7px; height: 7px; border-radius: 50%; background: #2f805f; box-shadow: 0 0 0 4px rgba(47,128,95,.12); }

.hero { min-height: 590px; padding: 86px 24px 66px; display: flex; align-items: center; flex-direction: column; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: "E"; position: absolute; top: 0; left: 50%; transform: translateX(-50%); font: italic 610px/.8 var(--serif); color: rgba(23,63,53,.025); pointer-events: none; }
.challenge-spotlight { width: min(760px, 100%); min-height: 66px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; margin: -35px auto 38px; padding: 11px 14px; border: 1px solid #cbb68e; border-radius: 8px; background: #eee4d0; color: var(--ink); box-shadow: 0 13px 34px rgba(67,53,31,.08); text-align: left; text-decoration: none; position: relative; z-index: 2; transition: transform .2s, box-shadow .2s; }
.challenge-spotlight:hover { transform: translateY(-2px); box-shadow: 0 17px 40px rgba(67,53,31,.12); }
.spotlight-badge { padding: 5px 8px; border-radius: 999px; background: #9b6d2e; color: white; font-size: 9px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.spotlight-copy strong, .spotlight-copy small { display: block; }
.spotlight-copy strong { font: 500 18px/1.2 var(--serif); }
.spotlight-copy small { margin-top: 3px; color: #716b60; font-size: 10px; }
.spotlight-action { display: flex; align-items: center; gap: 8px; color: var(--green); font-size: 11px; font-weight: 800; white-space: nowrap; }
.spotlight-action b { font-size: 17px; transition: transform .2s; }
.challenge-spotlight:hover .spotlight-action b { transform: translateX(4px); }
.eyebrow { display: flex; align-items: center; justify-content: center; gap: 12px; color: var(--green-2); text-transform: uppercase; letter-spacing: .18em; font-weight: 700; font-size: 11px; position: relative; }
.eyebrow .rule { width: 42px; height: 1px; background: #9f8b66; }
h1 { max-width: 900px; margin: 24px auto 18px; font: 500 clamp(46px, 6.5vw, 82px)/.98 var(--serif); letter-spacing: -.045em; position: relative; }
.hero-copy { max-width: 680px; margin: 0 auto 32px; color: var(--muted); font-size: clamp(16px, 1.6vw, 20px); position: relative; }
.explore-map { width: min(930px, 100%); display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid #cfcabf; border-radius: 9px; background: var(--white); box-shadow: var(--shadow); overflow: hidden; position: relative; z-index: 1; text-align: left; }
.explore-map a { min-width: 0; min-height: 112px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr; align-items: end; gap: 9px 10px; padding: 16px 15px 15px; border-right: 1px solid #ded9cf; color: var(--ink); text-decoration: none; transition: background .2s, color .2s; }
.explore-map a:last-child { border-right: 0; }
.explore-map a:hover { background: var(--green); color: white; }
.explore-index { grid-column: 1 / -1; align-self: start; color: var(--gold); font: italic 14px var(--serif); }
.explore-copy { min-width: 0; }
.explore-copy strong, .explore-copy small { display: block; }
.explore-copy strong { font: 500 18px/1.1 var(--serif); }
.explore-copy small { margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.25; }
.explore-map a:hover .explore-index, .explore-map a:hover .explore-copy small { color: #c7d9d1; }
.explore-map a > b { color: var(--green); font-size: 17px; transition: transform .2s; }
.explore-map a:hover > b { color: #d5ae6b; transform: translateX(3px); }
.search-wrap { width: min(760px, 100%); height: 66px; position: relative; display: flex; align-items: center; background: var(--white); border: 1px solid #cfcabf; border-radius: 9px; box-shadow: var(--shadow); }
.search-wrap:focus-within { border-color: var(--green-2); box-shadow: 0 0 0 4px rgba(36,91,76,.09), var(--shadow); }
.search-wrap svg { width: 22px; margin-left: 22px; fill: none; stroke: var(--green); stroke-width: 1.8; }
.search-wrap input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent; padding: 0 16px; color: var(--ink); font-size: 16px; }
.search-wrap input::placeholder { color: #818984; }
.search-wrap kbd { margin-right: 16px; padding: 4px 8px; background: #f0ede5; border: 1px solid #d8d3c9; border-radius: 4px; color: #6b716e; font: 11px var(--sans); }

.knowledge-section, .resources-section, .process-section { max-width: 1250px; margin: 0 auto; padding: 86px 36px 110px; }
.knowledge-section { border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.section-kicker { display: block; margin-bottom: 9px; color: var(--green-2); font-size: 11px; line-height: 1; font-weight: 800; text-transform: uppercase; letter-spacing: .2em; }
.section-heading h2, .guide-intro h2 { margin: 0; font: 500 clamp(34px, 4vw, 52px)/1.05 var(--serif); letter-spacing: -.025em; }
.section-heading > p { margin: 0 0 7px; color: var(--muted); font-size: 13px; }
.knowledge-search-block { max-width: 760px; margin: -4px 0 26px; }
.knowledge-search-label { display: block; margin: 0 0 8px 2px; color: var(--green-2); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.knowledge-search { width: 100%; height: 54px; box-shadow: none; }
.knowledge-search:focus-within { box-shadow: 0 0 0 4px rgba(36,91,76,.09); }
.knowledge-search svg { width: 19px; margin-left: 18px; }
.knowledge-search input { font-size: 14px; }
.category-tabs { display: flex; align-items: center; gap: 8px; overflow-x: auto; padding: 2px 2px 14px; scrollbar-width: thin; }
.category-tab { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 10px; border: 1px solid #cec9be; border-radius: 999px; background: transparent; color: #39453f; padding: 9px 13px 9px 16px; cursor: pointer; font-size: 13px; font-weight: 650; transition: .2s; }
.category-tab small { display: grid; place-items: center; min-width: 23px; height: 23px; border-radius: 50%; background: #e6e1d7; color: #6b736f; font-size: 10px; }
.category-tab:hover { border-color: var(--green); }
.category-tab.is-active { background: var(--green); border-color: var(--green); color: var(--white); }
.category-tab.is-active small { background: rgba(255,255,255,.14); color: var(--white); }
.faq-grid { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
.faq-card { border: 1px solid var(--line); background: rgba(255,254,249,.55); border-radius: 7px; overflow: hidden; }
.faq-card:hover { border-color: #b5b8ae; background: rgba(255,254,249,.85); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 20px; border: 0; background: none; color: var(--ink); text-align: left; cursor: pointer; font-size: 15px; font-weight: 680; line-height: 1.35; }
.faq-question small { display: block; margin-bottom: 5px; color: #728078; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .13em; }
.plus { position: relative; flex: 0 0 24px; width: 24px; height: 24px; border: 1px solid #bfc5bf; border-radius: 50%; transition: .2s; }
.plus::before, .plus::after { content: ""; position: absolute; left: 6px; right: 6px; top: 11px; height: 1px; background: var(--green); }
.plus::after { transform: rotate(90deg); transition: transform .2s; }
.faq-question[aria-expanded="true"] .plus { background: var(--green); border-color: var(--green); }
.faq-question[aria-expanded="true"] .plus::before, .faq-question[aria-expanded="true"] .plus::after { background: white; }
.faq-question[aria-expanded="true"] .plus::after { transform: rotate(0); }
.faq-answer { padding: 0 54px 22px 20px; color: var(--muted); font-size: 14px; }
.faq-answer p { margin: 0; }
.empty-state { padding: 65px 24px; text-align: center; border: 1px dashed #c5c0b5; border-radius: 8px; margin-top: 20px; }
.empty-state > span { font: 50px var(--serif); color: var(--green-2); }
.empty-state h3 { font: 28px var(--serif); margin: 4px 0; }
.empty-state p { margin: 0 0 14px; color: var(--muted); }
.text-button { border: 0; background: none; color: var(--green); text-decoration: underline; cursor: pointer; font-weight: 700; }

.resources-section { border-top: 1px solid var(--line); }
.resources-heading .heading-note { max-width: 390px; text-align: right; }
.resources-heading .heading-note p { margin: 0; color: var(--muted); font-size: 13px; }
.review-date { display: block; margin-top: 8px; color: var(--green-2); font-size: 10px; font-weight: 750; line-height: 1.45; letter-spacing: .015em; }
.resource-route { display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: stretch; margin: 34px 0 30px; padding: 22px; background: var(--green); color: var(--white); border-radius: 8px; }
.resource-route > span { align-self: center; color: #b8d3c9; font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.resource-route > div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.resource-route button { display: flex; align-items: center; gap: 11px; min-height: 46px; padding: 9px 13px; border: 1px solid rgba(255,255,255,.16); border-radius: 5px; background: rgba(255,255,255,.05); color: white; cursor: pointer; text-align: left; font-size: 12px; font-weight: 650; transition: .2s; }
.resource-route button:hover { border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.1); }
.resource-route button b { color: #d3ad70; font: italic 13px var(--serif); }
.resource-controls { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.resource-tabs { display: flex; align-items: center; gap: 7px; overflow-x: auto; padding: 2px 2px 8px; scrollbar-width: thin; }
.resource-tab { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid #cec9be; border-radius: 999px; background: transparent; color: #39453f; cursor: pointer; font-size: 12px; font-weight: 700; }
.resource-tab small { color: #7a837e; }
.resource-tab:hover { border-color: var(--green); }
.resource-tab.is-active { background: var(--green); border-color: var(--green); color: white; }
.resource-tab.is-active small { color: #c9dacf; }
.resource-search-wrap { flex: 0 0 260px; height: 41px; display: flex; align-items: center; border-bottom: 1px solid #9fa69f; }
.resource-search-wrap svg { width: 18px; fill: none; stroke: var(--green); stroke-width: 1.8; }
.resource-search-wrap input { width: 100%; height: 100%; padding: 0 10px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
.resource-summary { min-height: 50px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 11px; }
.resource-summary p { margin: 0; }
#saved-filter { padding: 5px 9px; border: 0; background: transparent; color: var(--green); cursor: pointer; font-size: 11px; font-weight: 750; }
#saved-filter span { margin-right: 3px; font-size: 15px; }
#saved-filter small { display: inline-grid; place-items: center; min-width: 19px; height: 19px; margin-left: 3px; border-radius: 50%; background: var(--paper-deep); }
#saved-filter[aria-pressed="true"] { background: var(--paper-deep); border-radius: 4px; }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.resource-card { min-height: 300px; display: flex; flex-direction: column; padding: 20px; border: 1px solid var(--line); border-radius: 7px; background: rgba(255,254,249,.62); transition: transform .2s, border-color .2s, box-shadow .2s; }
.resource-card:hover { transform: translateY(-2px); border-color: #b4b9af; box-shadow: 0 13px 28px rgba(29,42,36,.06); }
.resource-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.resource-card-top > span { color: var(--green-2); font-size: 9px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.resource-card-top small { color: #7c847f; font-size: 9px; }
.resource-card h3 { margin: 23px 0 10px; font: 500 25px/1.08 var(--serif); letter-spacing: -.01em; }
.resource-card > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.resource-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 22px; }
.resource-meta span { padding: 4px 7px; border: 1px solid #d8d4ca; border-radius: 3px; color: #68716d; font-size: 9px; }
.resource-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; padding-top: 13px; border-top: 1px solid var(--line); }
.resource-actions button, .resource-actions a { border: 0; background: none; color: var(--green); cursor: pointer; text-decoration: none; font-size: 10px; font-weight: 780; }
.resource-actions button { padding: 0; }
.resource-actions button span { margin-right: 3px; font-size: 14px; }
.resource-actions button.is-saved { color: #805a2d; }
.resource-actions a:hover { text-decoration: underline; }
.resource-disclaimer { margin: 25px 0 0; padding: 17px 18px; border-left: 3px solid #a99164; background: var(--paper-deep); color: var(--muted); font-size: 11px; }
.resource-disclaimer strong { color: var(--ink); }

.curated-teaser { margin-top: 58px; padding: 34px; border-radius: 10px; background: #102e27; color: var(--white); }
.curated-heading { display: flex; align-items: end; justify-content: space-between; gap: 34px; margin-bottom: 28px; }
.curated-heading .section-kicker { color: #d5ae6b; }
.curated-heading h3 { margin: 4px 0 0; font: 500 clamp(32px, 4vw, 46px)/1.05 var(--serif); letter-spacing: -.025em; }
.curated-heading-action { max-width: 440px; }
.curated-heading-action p { margin: 0 0 12px; color: #bdd0c8; font-size: 14px; line-height: 1.55; }
.curated-heading-action > a { display: inline-flex; align-items: center; gap: 12px; color: #f1d39d; font-size: 13px; font-weight: 800; text-decoration: none; }
.curated-heading-action > a span { font-size: 18px; transition: transform .2s; }
.curated-heading-action > a:hover span { transform: translateX(4px); }
.curated-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.curated-card { min-width: 0; display: flex; flex-direction: column; padding: 23px; border: 1px solid #d8d4ca; border-radius: 7px; background: var(--white); color: var(--ink); }
.curated-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--green-2); }
.curated-card-top span { font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.curated-card-top small { color: #78817c; font-size: 12px; }
.curated-card h3, .curated-card h4 { overflow-wrap: anywhere; margin: 24px 0 13px; font: 500 25px/1.12 var(--serif); letter-spacing: -.01em; }
.curated-card > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.curated-byline { margin-top: 18px; color: #4f5d57; font-size: 13px; font-weight: 720; }
.curated-card > a { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); color: var(--green); font-size: 13px; font-weight: 800; text-decoration: none; }
.curated-card > a:hover { text-decoration: underline; text-underline-offset: 3px; }
.curated-grid-featured .curated-card { min-height: 370px; }
.blog-callout { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 34px; margin-top: 36px; padding: 29px 30px; border-radius: 8px; background: var(--green); color: white; }
.blog-callout-dark { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.055); }
.blog-callout > div:first-child { max-width: 720px; }
.blog-callout > div:first-child > span { display: block; margin-bottom: 7px; color: #d5ae6b; font-size: 12px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.blog-callout > div:first-child > strong { display: block; font: 500 28px/1.12 var(--serif); }
.blog-callout p { margin: 9px 0 0; color: #c4d5ce; font-size: 14px; line-height: 1.55; }
.blog-callout small { display: block; margin-top: 9px; color: #a9c0b7; font-size: 12px; }
.blog-callout-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; min-width: 280px; }
.blog-callout-actions a, .blog-callout-actions button { min-height: 47px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 14px; border-radius: 5px; font-size: 13px; font-weight: 820; text-decoration: none; transition: transform .2s, background .2s; cursor: pointer; }
.blog-callout-actions a:hover, .blog-callout-actions button:hover { transform: translateY(-2px); }
.blog-read { background: #d5ae6b; color: #102e27; }
.blog-read:hover { background: #e1bd7e; }
.blog-submit { border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.06); color: white; }
.blog-submit:hover { background: rgba(255,255,255,.12); }

.selection-body { background: #f4f0e7; }
.selection-hero { padding: 82px max(36px, calc((100vw - 1180px) / 2)) 72px; border-bottom: 1px solid var(--line); background: var(--paper); }
.selection-back { display: inline-block; margin-bottom: 52px; color: var(--green); font-size: 13px; font-weight: 750; text-decoration: none; }
.selection-hero h1 { max-width: 820px; margin: 12px 0 22px; color: var(--ink); font: 500 clamp(58px, 8vw, 104px)/.92 var(--serif); letter-spacing: -.045em; }
.selection-hero > p { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.selection-hero-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 36px; }
.selection-hero-meta span { padding: 8px 11px; border: 1px solid #cfc9bc; border-radius: 999px; color: #59655f; font-size: 13px; }
.selection-hero-meta strong { color: var(--green); }
.selection-library { padding: 74px max(36px, calc((100vw - 1180px) / 2)) 96px; }
.selection-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.selection-toolbar h2 { margin: 4px 0 0; font: 500 clamp(36px, 5vw, 52px)/1.05 var(--serif); letter-spacing: -.025em; }
.selection-search-wrap { flex: 0 1 390px; height: 50px; display: flex; align-items: center; border-bottom: 1px solid #8f9c95; }
.selection-search-wrap svg { width: 20px; flex: 0 0 auto; fill: none; stroke: var(--green); stroke-width: 1.8; }
.selection-search-wrap input { width: 100%; height: 100%; padding: 0 11px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 15px; }
.selection-filters { display: flex; gap: 8px; margin-top: 31px; padding-bottom: 10px; overflow-x: auto; scrollbar-width: thin; }
.selection-filters button { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid #c7c2b7; border-radius: 999px; background: transparent; color: #35423c; cursor: pointer; font-size: 14px; font-weight: 720; }
.selection-filters button small { color: #727c77; }
.selection-filters button.is-active { border-color: var(--green); background: var(--green); color: white; }
.selection-filters button.is-active small { color: #cfddd7; }
.selection-count { margin: 15px 0 17px; color: var(--muted); font-size: 13px; }
.selection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.selection-card { min-height: 480px; padding: 28px; }
.selection-card h3 { font-size: 29px; }
.selection-why { margin-top: 22px; padding: 14px 15px; border-left: 3px solid var(--gold); background: #f0ebdf; color: #59635e; font-size: 13px; line-height: 1.55; }
.selection-why strong { display: block; margin-bottom: 3px; color: var(--ink); }
.selection-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 19px; }
.selection-meta span { padding: 5px 7px; border: 1px solid #d8d4ca; border-radius: 3px; color: #68716d; font-size: 12px; }
.selection-empty { margin-bottom: 20px; }

.challenge-section { padding: 92px max(36px, calc((100vw - 1180px) / 2)) 105px; background: #e9e3d7; }
.ai-duel-section { background: var(--green); color: var(--white); }
.ai-duel-section .challenge-heading .section-kicker.light { color: #d5ae6b; }
.ai-duel-section .challenge-heading > p { color: #c8d7d1; }
.ai-duel-section .challenge-categories article { color: var(--ink); }
.knowledge-test-section { border-top: 1px solid #d4cec1; }
.challenge-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 38px; }
.challenge-heading .section-kicker.light { color: var(--green-2); }
.challenge-heading h2 { margin: 0; font: 500 clamp(42px, 5vw, 62px)/1 var(--serif); letter-spacing: -.03em; }
.challenge-heading > p { max-width: 490px; margin: 0 0 5px; color: var(--muted); font-size: 14px; }
.challenge-update { display: flex; align-items: center; justify-content: center; gap: 8px; width: fit-content; margin: -19px 0 30px auto; padding: 8px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.055); color: #b8ccc4; font-size: 10px; line-height: 1.35; }
.challenge-update strong { color: #e6c58d; }
.challenge-categories { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }
.challenge-categories article { min-height: 330px; display: flex; flex-direction: column; padding: 19px; border: 1px solid #d1ccbf; border-radius: 8px; background: var(--white); position: relative; overflow: hidden; }
.challenge-number { color: var(--gold); font: italic 14px var(--serif); }
.challenge-symbol { width: 67px; height: 67px; display: grid; place-items: center; margin: 33px 0 24px; border-radius: 50%; background: #e5ece4; color: var(--green); font: italic 21px var(--serif); }
.challenge-categories article:nth-child(2) .challenge-symbol { background: #e9e5d9; }
.challenge-categories article:nth-child(3) .challenge-symbol { background: #e2e8e6; }
.challenge-categories article:nth-child(4) .challenge-symbol { background: #eee4d8; }
.challenge-categories h3 { margin: 0 0 8px; font: 500 28px/1.1 var(--serif); }
.challenge-categories p { margin: 0 0 22px; color: var(--muted); font-size: 12px; }
.duel-count { display: block; margin: -10px 0 16px; color: #65736c; font-size: 11px; font-weight: 750; }
.challenge-categories button { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: auto; padding: 12px 0 4px; border: 0; border-top: 1px solid var(--line); background: none; color: var(--green); cursor: pointer; font-size: 11px; font-weight: 800; }
.challenge-categories button span { font-size: 18px; transition: transform .2s; }
.challenge-categories button:hover span { transform: translateX(4px); }
.duel-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: -10px 0 28px; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 6px; background: rgba(255,255,255,.12); }
.duel-steps span { display: flex; align-items: center; gap: 11px; min-height: 48px; padding: 10px 15px; background: #1b493d; color: #dbe6e1; font-size: 11px; font-weight: 720; }
.duel-steps b { width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: #d5ae6b; color: var(--green); font-size: 10px; }
.duel-picker { margin-top: 28px; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: 9px; background: #102e27; }
.duel-picker-heading { min-height: 92px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; padding: 18px 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.duel-picker-heading button { justify-self: start; padding: 8px 0; border: 0; background: transparent; color: #d6e1dc; cursor: pointer; font-size: 12px; }
.duel-picker-heading div { text-align: center; }
.duel-picker-heading span { color: #9eb8ae; font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.duel-picker-heading h3 { margin: 4px 0 0; color: white; font: 500 27px/1.1 var(--serif); }
.duel-picker-heading > small { justify-self: end; color: #a8c0b7; font-size: 11px; }
.duel-match-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.duel-match { min-height: 168px; display: flex; flex-direction: column; align-items: flex-start; padding: 20px 17px; border: 0; border-right: 1px solid rgba(255,255,255,.13); background: transparent; color: white; text-align: left; cursor: pointer; transition: background .2s; }
.duel-match:last-child { border-right: 0; }
.duel-match:hover { background: rgba(255,255,255,.07); }
.duel-match > span { color: #d5ae6b; font: italic 15px var(--serif); }
.duel-match strong { margin-top: 28px; font: 500 20px/1.1 var(--serif); }
.duel-match small { margin-top: 8px; color: #a9c0b7; font-size: 11px; }
.duel-match b { margin-top: auto; color: #d5ae6b; font-size: 18px; align-self: flex-end; }
.quiz-stage { overflow: hidden; border-radius: 9px; background: var(--green); color: var(--white); box-shadow: 0 22px 60px rgba(16,46,39,.14); }
.duel-stage { margin-top: 28px; border: 1px solid rgba(255,255,255,.18); background: #102e27; box-shadow: 0 22px 60px rgba(5,20,16,.26); }
.quiz-topline { min-height: 58px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 25px; border-bottom: 1px solid rgba(255,255,255,.14); color: #bcd0c8; font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .12em; }
.quiz-topline button { justify-self: start; border: 0; background: none; color: #d6e1dc; cursor: pointer; font-size: 10px; font-weight: 700; text-transform: none; letter-spacing: 0; }
.quiz-topline span:last-child { justify-self: end; }
.quiz-progressbar { height: 3px; background: rgba(255,255,255,.1); }
.quiz-progressbar span { display: block; width: 20%; height: 100%; background: #d2a963; transition: width .3s ease; }
.quiz-body { min-height: 535px; padding: 54px clamp(24px, 8vw, 110px) 58px; }
.quiz-kicker { display: block; margin-bottom: 14px; color: #a8c1b7; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .17em; }
.quiz-body h3 { max-width: 820px; margin: 0 0 22px; font: 500 clamp(29px, 3.5vw, 43px)/1.1 var(--serif); }
.quiz-body h3:focus { outline: none; }
.quiz-passage { max-width: 790px; margin: -4px 0 24px; padding: 18px 20px; border-left: 3px solid #c69b59; background: rgba(255,255,255,.06); color: #dce6e1; font: italic 16px/1.65 var(--serif); }
.quiz-options { display: grid; gap: 9px; max-width: 870px; }
.quiz-options button { display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 13px; min-height: 53px; padding: 8px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 5px; background: rgba(255,255,255,.035); color: white; cursor: pointer; text-align: left; font-size: 13px; transition: .18s; }
.quiz-options button:not(:disabled):hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.08); }
.quiz-options button > span { width: 27px; height: 27px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #bdd0c8; font-size: 10px; font-weight: 800; }
.quiz-options button.is-correct { border-color: #8dcca3; background: rgba(94,180,125,.16); }
.quiz-options button.is-wrong { border-color: #d48e80; background: rgba(202,101,82,.14); }
.quiz-options button:disabled { cursor: default; }
.quiz-feedback { max-width: 870px; margin-top: 16px; padding: 14px 16px; border-radius: 5px; background: rgba(255,255,255,.08); color: #dbe7e1; font-size: 12px; }
.quiz-feedback strong { color: white; }
.quiz-feedback p { margin: 4px 0 0; }
.quiz-feedback .ai-answer { margin-top: 9px; padding-top: 9px; border-top: 1px solid rgba(255,255,255,.13); color: #c8d8d1; }
.quiz-feedback.is-correct { border-left: 3px solid #89c79f; }
.quiz-feedback.is-wrong { border-left: 3px solid #d18b7e; }
.quiz-next { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-width: 190px; margin: 18px 0 0 auto; padding: 12px 15px; border: 1px solid rgba(255,255,255,.22); border-radius: 4px; background: var(--white); color: var(--green); cursor: pointer; font-size: 11px; font-weight: 800; }
.quiz-next span { font-size: 17px; }
.quiz-body.is-result { display: grid; place-items: center; text-align: center; }
.quiz-result { max-width: 580px; }
.quiz-result > span { color: #abc3ba; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .16em; }
.quiz-score { margin: 22px 0 8px; font-family: var(--serif); }
.quiz-score strong { font-size: 92px; font-weight: 500; line-height: .8; }
.quiz-score small { color: #b5c9c1; font-size: 24px; }
.quiz-result h3 { margin: 13px auto 9px; }
.quiz-result p { color: #bdd0c8; font-size: 13px; }
.quiz-result > div:last-child { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.quiz-result button { padding: 10px 14px; border: 1px solid rgba(255,255,255,.24); border-radius: 4px; background: transparent; color: white; cursor: pointer; font-size: 11px; font-weight: 750; }
.quiz-result button:first-child { background: var(--white); color: var(--green); }
.duel-scoreboard { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; margin: 25px 0 20px; }
.duel-scoreboard > div { min-width: 150px; padding: 18px 22px; border: 1px solid rgba(255,255,255,.17); border-radius: 7px; background: rgba(255,255,255,.055); }
.duel-scoreboard span { display: block; margin-bottom: 8px; color: #abc3ba; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .13em; }
.duel-scoreboard strong { font: 500 64px/.85 var(--serif); }
.duel-scoreboard small { color: #b5c9c1; font-size: 18px; }
.duel-scoreboard > b { color: #d5ae6b; font: 400 24px var(--serif); }
.duel-disclaimer { margin: 24px 0 0; padding: 15px 17px; border-left: 3px solid #d5ae6b; background: rgba(255,255,255,.06); color: #c7d6d0; font-size: 11px; line-height: 1.55; }
.duel-disclaimer strong { color: white; }

.floating-challenge { position: fixed; right: 22px; bottom: 22px; z-index: 30; min-width: 205px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px; padding: 10px 13px; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: #173f35; color: white; box-shadow: 0 15px 38px rgba(10,35,28,.25); text-decoration: none; transition: transform .2s, opacity .2s, visibility .2s; }
.floating-challenge:hover { transform: translateY(-2px); }
.floating-challenge > span:first-child { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: #d5ae6b; color: var(--green); }
.floating-challenge small, .floating-challenge strong { display: block; line-height: 1.1; }
.floating-challenge small { color: #acc6bc; font-size: 8px; text-transform: uppercase; letter-spacing: .1em; }
.floating-challenge strong { margin-top: 4px; font: 500 15px var(--serif); }
.floating-challenge > b { color: #d5ae6b; font-size: 17px; }
.floating-challenge.is-hidden { opacity: 0; visibility: hidden; transform: translateY(12px); pointer-events: none; }

.guide-section { background: var(--green); color: var(--white); padding: 92px max(36px, calc((100vw - 1180px) / 2)) 105px; position: relative; overflow: hidden; }
.guide-section::after { content: ""; position: absolute; right: -180px; bottom: -300px; width: 620px; height: 620px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.02), 0 0 0 160px rgba(255,255,255,.018); pointer-events: none; }
.guide-intro { max-width: 760px; margin-bottom: 42px; position: relative; z-index: 1; }
.section-kicker.light { color: #b8d3bf; }
.guide-intro p { max-width: 650px; color: #c9d7d1; margin: 17px 0 0; }
.guide-panel { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr); gap: 28px; position: relative; z-index: 1; }
.guide-panel fieldset { padding: 0; border: 0; margin: 0; }
.guide-panel legend { padding: 0 0 12px; color: #adc6bd; font-size: 12px; text-transform: uppercase; letter-spacing: .13em; font-weight: 750; }
.guide-choice { min-height: 76px; display: grid; grid-template-columns: 38px 1fr; align-items: center; gap: 14px; padding: 12px 18px; border-top: 1px solid rgba(255,255,255,.15); cursor: pointer; position: relative; transition: .2s; }
.guide-choice:last-child { border-bottom: 1px solid rgba(255,255,255,.15); }
.guide-choice:hover, .guide-choice:has(input:checked) { background: rgba(255,255,255,.07); }
.guide-choice input { position: absolute; opacity: 0; pointer-events: none; }
.guide-choice:has(input:focus-visible) { outline: 3px solid #d8ae6d; outline-offset: 2px; }
.choice-index { font: italic 18px var(--serif); color: #90afa4; }
.guide-choice:has(input:checked) .choice-index { color: #f0c582; }
.guide-choice strong, .guide-choice small { display: block; }
.guide-choice strong { font-size: 15px; }
.guide-choice small { margin-top: 3px; color: #9fbbb1; font-size: 12px; }
.guide-result { min-height: 100%; border: 1px solid rgba(255,255,255,.18); border-radius: 9px; background: #f5f0e5; color: var(--ink); padding: 36px; display: grid; place-items: center; }
.result-placeholder { width: 100%; max-width: 310px; text-align: center; color: #718078; }
.compass { display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 50%; background: #e4e9df; color: var(--green); font-size: 23px; }
.result-content { width: 100%; }
.result-content > span { display: inline-block; color: var(--green-2); font-size: 10px; text-transform: uppercase; letter-spacing: .15em; font-weight: 800; }
.result-content h3 { margin: 10px 0 13px; font: 500 34px/1.08 var(--serif); }
.result-content p { color: var(--muted); font-size: 14px; }
.result-content small { display: block; margin-top: 17px; color: #78817d; font-size: 10px; }
.guide-link { display: flex; justify-content: space-between; align-items: center; gap: 20px; width: 100%; margin-top: 26px; padding: 13px 0; border: 0; border-top: 1px solid #cfcbbf; border-bottom: 1px solid #cfcbbf; background: transparent; color: var(--green); cursor: pointer; text-align: left; font-weight: 750; }
.guide-link b { font-size: 20px; transition: transform .2s; }
.guide-link:hover b { transform: translateX(4px); }
.guide-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 20px; }
.guide-actions a { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border-radius: 5px; text-decoration: none; font-size: 12px; font-weight: 800; transition: transform .2s, background .2s; }
.guide-actions a:hover { transform: translateY(-2px); }
.service-request { background: var(--green); color: white; }
.service-request:hover { background: var(--green-2); }
.whatsapp-request { border: 1px solid #9db6a5; background: #e3ece3; color: var(--green); }
.whatsapp-request:hover { background: #d7e5d8; }

.process-heading > p { max-width: 340px; text-align: right; }
.process-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list li { min-height: 235px; padding: 23px 25px; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.process-list li:last-child { border: 0; }
.process-list > li > span { color: var(--gold); font: italic 17px var(--serif); }
.process-list h3 { font: 500 22px/1.15 var(--serif); margin: 0 0 10px; }
.process-list p { margin: 0; color: var(--muted); font-size: 13px; }
.source-note { margin-top: 34px; display: flex; align-items: center; justify-content: space-between; gap: 34px; padding: 22px 24px; background: var(--paper-deep); border-radius: 6px; }
.source-note > div:first-child { display: flex; align-items: start; gap: 14px; max-width: 730px; }
.source-icon { flex: 0 0 26px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1px solid #9fa99f; color: var(--green); font: italic 16px var(--serif); }
.source-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.source-note strong { color: var(--ink); }
.source-links { display: flex; gap: 15px; flex-wrap: wrap; justify-content: flex-end; }
.source-links a { color: var(--green); font-size: 11px; font-weight: 750; }

.feedback-note { margin: 16px 0 0; padding: 15px 17px; border-left: 3px solid var(--gold); background: #eee9dd; color: var(--muted); font-size: 12px; line-height: 1.55; }
.feedback-note strong { color: var(--ink); }
.feedback-note a { color: var(--green); font-weight: 800; overflow-wrap: anywhere; }
.inline-contact { display: inline; padding: 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--green); font-weight: 800; cursor: pointer; overflow-wrap: anywhere; }

footer { min-height: 108px; padding: 24px clamp(24px, 5vw, 78px); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 24px; background: #102e27; color: #e8ede6; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo { display: inline-flex; padding: 5px 7px; border-radius: 4px; background: var(--paper); }
.footer-logo img { display: block; width: 154px; height: auto; }
.brand-mark.small { width: 34px; height: 34px; background: #e5eadf; color: var(--green); font-size: 19px; }
.footer-brand p { margin: 0; font-size: 12px; line-height: 1.3; }
.footer-brand span { color: #95ada5; font-size: 10px; }
.footer-note { text-align: center; color: #a9bbb4; }
.footer-note p { margin: 0 0 6px; font: italic 14px var(--serif); }
.footer-note a, .footer-contact { padding: 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: #d6e1dc; font-size: 11px; font-weight: 750; font-style: normal; text-underline-offset: 3px; cursor: pointer; }
footer > a { justify-self: end; color: #d6e1dc; font-size: 12px; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.3); padding-bottom: 3px; }

.contact-dialog { width: min(560px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 12px; background: var(--white); color: var(--ink); box-shadow: 0 28px 90px rgba(5,24,19,.3); }
.contact-dialog::backdrop { background: rgba(8,31,25,.66); backdrop-filter: blur(3px); }
.contact-dialog-panel { padding: 34px; position: relative; }
.contact-close { width: 38px; height: 38px; display: grid; place-items: center; position: absolute; top: 16px; right: 16px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); color: var(--green); font-size: 24px; line-height: 1; cursor: pointer; }
.contact-kicker { display: block; margin-bottom: 8px; color: var(--gold); font-size: 11px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.contact-dialog h2 { margin: 0 44px 8px 0; font: 500 36px/1.08 var(--serif); }
.contact-dialog-panel > p { margin: 0; color: var(--muted); font-size: 15px; }
.contact-methods { display: grid; gap: 9px; margin: 25px 0 18px; }
.contact-methods a, .contact-methods button { min-height: 50px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 15px; border: 1px solid #c9d1cc; border-radius: 6px; background: var(--paper); color: var(--green); font-size: 14px; font-weight: 800; text-decoration: none; cursor: pointer; }
.contact-methods .contact-primary { border-color: var(--green); background: var(--green); color: white; }
.contact-methods a:hover, .contact-methods button:hover { border-color: var(--gold); }
.contact-email { padding: 14px 15px; border-left: 3px solid var(--gold); background: #eee9dd; }
.contact-email strong, .contact-email small { display: block; }
.contact-email strong { color: var(--green); font-size: 14px; overflow-wrap: anywhere; }
.contact-email small { margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.contact-status { min-height: 22px; margin-top: 10px !important; color: var(--green) !important; font-size: 13px !important; font-weight: 750; }

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .hero { min-height: 500px; padding-top: 70px; }
  .explore-map { grid-template-columns: 1fr 1fr; }
  .explore-map a { border-bottom: 1px solid #ded9cf; }
  .explore-map a:nth-child(even) { border-right: 0; }
  .explore-map a:last-child { grid-column: 1 / -1; border-right: 0; border-bottom: 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .resource-controls { align-items: stretch; flex-direction: column; }
  .resource-search-wrap { flex-basis: 41px; width: min(100%, 440px); }
  .resource-grid { grid-template-columns: 1fr 1fr; }
  .curated-grid { grid-template-columns: 1fr; }
  .curated-grid-featured .curated-card { min-height: 310px; }
  .selection-grid { grid-template-columns: 1fr 1fr; }
  .selection-toolbar { align-items: stretch; flex-direction: column; }
  .selection-search-wrap { flex-basis: 50px; width: min(100%, 520px); }
  .blog-callout { grid-template-columns: 1fr; }
  .blog-callout-actions { min-width: 0; width: min(100%, 360px); }
  .challenge-categories { grid-template-columns: 1fr 1fr; }
  .duel-match-list { grid-template-columns: 1fr 1fr; }
  .duel-match:nth-child(2n) { border-right: 0; }
  .duel-match { border-bottom: 1px solid rgba(255,255,255,.13); }
  .duel-match:last-child { border-bottom: 0; }
  .guide-panel { grid-template-columns: 1fr; }
  .guide-result { min-height: 310px; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .source-note { align-items: flex-start; flex-direction: column; }
  .source-links { justify-content: flex-start; }
}

@media (max-width: 580px) {
  html { scroll-padding-top: 88px; }
  main > section, main > [id], #blog { scroll-margin-top: 88px; }
  .site-header { height: 72px; padding: 0 17px; }
  .brand-logo { width: 146px; }
  .brand-section { display: none; }
  .brand-mark { width: 36px; height: 36px; font-size: 20px; }
  .brand strong { font-size: 16px; }
  .access-badge { padding: 6px 9px; font-size: 10px; }
  .hero { min-height: auto; padding: 58px 18px 48px; }
  .challenge-spotlight { grid-template-columns: auto 1fr; margin: -24px auto 32px; padding: 12px; }
  .spotlight-copy strong { font-size: 16px; }
  .spotlight-copy small { font-size: 9px; }
  .spotlight-action { grid-column: 1 / -1; justify-content: center; padding-top: 8px; border-top: 1px solid #d6c7aa; }
  .eyebrow { font-size: 9px; gap: 8px; }
  .eyebrow .rule { width: 24px; }
  h1 { font-size: 46px; margin-top: 19px; }
  .hero-copy { font-size: 15px; }
  .explore-map { grid-template-columns: 1fr; }
  .explore-map a { min-height: 82px; grid-template-columns: 28px 1fr auto; grid-template-rows: 1fr; align-items: center; border-right: 0; border-bottom: 1px solid #ded9cf; padding: 13px 15px; }
  .explore-map a:last-child { grid-column: auto; border-bottom: 0; }
  .explore-index { grid-column: auto; align-self: center; }
  .explore-copy strong { font-size: 17px; }
  .search-wrap { height: 60px; }
  .search-wrap svg { margin-left: 16px; }
  .search-wrap input { padding: 0 11px; font-size: 14px; }
  .search-wrap kbd { display: none; }
  .knowledge-search { height: 54px; }
  .knowledge-section, .resources-section, .process-section { padding: 64px 18px 76px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .section-heading h2, .guide-intro h2 { font-size: 38px; }
  .category-tabs { margin-right: -18px; padding-right: 18px; }
  .resources-heading .heading-note { max-width: none; text-align: left; }
  .resource-route { grid-template-columns: 1fr; padding: 18px 14px; }
  .resource-route > div { grid-template-columns: 1fr; }
  .resource-tabs { margin-right: -18px; padding-right: 18px; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-card { min-height: 270px; }
  .curated-teaser { margin: 45px -2px 0; padding: 26px 16px 16px; }
  .curated-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  .curated-heading h3 { font-size: 36px; }
  .curated-grid-featured .curated-card { min-height: 0; }
  .curated-card { padding: 20px; }
  .curated-card h3, .curated-card h4 { font-size: 24px; }
  .selection-hero { padding: 46px 18px 54px; }
  .selection-back { margin-bottom: 38px; }
  .selection-hero h1 { font-size: 55px; }
  .selection-hero > p { font-size: 16px; }
  .selection-hero-meta { align-items: flex-start; flex-direction: column; }
  .selection-library { padding: 58px 18px 74px; }
  .selection-toolbar h2 { font-size: 39px; }
  .selection-filters { margin-right: -18px; padding-right: 18px; }
  .selection-grid { grid-template-columns: 1fr; }
  .selection-card { min-height: 0; padding: 20px; }
  .selection-card h3 { font-size: 25px; }
  .blog-callout { margin-top: 28px; padding: 23px 18px; }
  .blog-callout > div:first-child > strong { font-size: 25px; }
  .blog-callout-actions { grid-template-columns: 1fr; width: 100%; }
  .challenge-section { padding: 68px 18px 76px; }
  .challenge-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .challenge-heading h2 { font-size: 44px; }
  .challenge-update { align-items: flex-start; flex-direction: column; gap: 2px; margin: -2px 0 26px; border-radius: 7px; }
  .challenge-update > span { display: none; }
  .challenge-categories { grid-template-columns: 1fr; }
  .duel-steps { grid-template-columns: 1fr; }
  .duel-picker-heading { grid-template-columns: 1fr auto; align-items: start; padding: 17px 15px; }
  .duel-picker-heading div { grid-column: 1 / -1; grid-row: 2; text-align: left; }
  .duel-picker-heading > small { grid-column: 2; grid-row: 1; }
  .duel-match-list { grid-template-columns: 1fr; }
  .duel-match { min-height: 112px; display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 12px; border-right: 0; padding: 16px; }
  .duel-match strong, .duel-match small { margin-top: 0; }
  .duel-match small { grid-column: 2; }
  .duel-match b { grid-column: 3; grid-row: 1 / span 2; align-self: center; }
  .challenge-categories article { min-height: 280px; }
  .challenge-symbol { margin: 23px 0 19px; }
  .quiz-topline { padding: 0 13px; }
  .quiz-body { min-height: 565px; padding: 37px 17px 42px; }
  .quiz-body h3 { font-size: 29px; }
  .quiz-passage { font-size: 14px; }
  .quiz-options button { font-size: 12px; }
  .quiz-next { width: 100%; }
  .quiz-score strong { font-size: 76px; }
  .duel-scoreboard { gap: 9px; }
  .duel-scoreboard > div { min-width: 0; padding: 14px 8px; }
  .duel-scoreboard strong { font-size: 52px; }
  .quiz-result > div:last-child { flex-direction: column; }
  .floating-challenge { right: 12px; bottom: 12px; min-width: 0; width: calc(100% - 24px); }
  .faq-question { padding: 17px 15px; font-size: 14px; }
  .faq-answer { padding: 0 45px 19px 15px; font-size: 13px; }
  .guide-section { padding: 68px 18px 76px; }
  .guide-intro { margin-bottom: 28px; }
  .guide-choice { padding: 12px 10px; grid-template-columns: 31px 1fr; }
  .guide-choice strong { font-size: 14px; }
  .guide-result { min-height: 290px; padding: 27px; }
  .guide-actions { grid-template-columns: 1fr; }
  .process-heading > p { text-align: left; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li { min-height: 175px; border-right: 0; border-bottom: 1px solid var(--line) !important; padding: 20px 14px; }
  .process-list li:last-child { border-bottom: 0 !important; }
  .source-note { padding: 19px 16px; }
  footer { grid-template-columns: 1fr; text-align: center; padding: 32px 20px; }
  .footer-brand { justify-content: center; }
  .footer-note { margin: 0; }
  footer > a { justify-self: center; }
  .contact-dialog-panel { padding: 28px 20px 22px; }
  .contact-dialog h2 { font-size: 30px; }
}

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