:root {
  --ink: #101716;
  --paper: #eeece4;
  --paper-2: #e2ded2;
  --deep: #084a3f;
  --deep-2: #06372f;
  --copper: #b85f3c;
  --signal: #d9ff57;
  --line: rgba(16, 23, 22, .22);
  --serif: "Noto Serif Display", Georgia, serif;
  --sans: "Spline Sans", Arial, sans-serif;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 17px/1.7 var(--sans); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .08; z-index: 9; background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(8,74,63,.08) 3px 4px); mix-blend-mode: multiply; }
img { display: block; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, input { font: inherit; }
p { margin: 0 0 1.3em; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.02; letter-spacing: -.035em; margin: 0; }
h1 { font-size: clamp(3.5rem, 8vw, 8.9rem); }
h2 { font-size: clamp(2.2rem, 4vw, 4.7rem); }
.skip { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--signal); color: var(--ink); padding: .7rem 1rem; }
.skip:focus { top: 1rem; }
.site-header { min-height: 112px; max-width: var(--max); margin: auto; padding: 24px 38px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: relative; z-index: 12; }
.brand { display: flex; gap: 14px; align-items: center; font-size: .92rem; font-weight: 600; line-height: 1.12; text-decoration: none; text-transform: uppercase; letter-spacing: .08em; }
.brand-mark { width: 54px; height: 54px; display: grid; place-items: center; color: var(--paper); background: var(--deep); border-radius: 50%; font-family: var(--serif); font-size: 1.6rem; letter-spacing: -.18em; padding-right: .18em; }
.brand-mark span { color: var(--signal); }
.site-header nav { display: flex; gap: 3px; align-items: center; }
.site-header nav a { text-decoration: none; font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; padding: .7rem .95rem; border: 1px solid transparent; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { border-color: var(--ink); border-radius: 999px; }
.nav-toggle { display: none; border: 1px solid var(--ink); border-radius: 999px; background: transparent; padding: .5rem .9rem; }
.depth-rail { position: fixed; z-index: 8; top: 180px; left: max(8px, calc((100vw - var(--max)) / 2 - 54px)); width: 42px; display: grid; justify-items: end; gap: 10px; font-size: .66rem; font-weight: 600; color: var(--deep); }
.depth-rail i { width: 24px; height: 1px; background: currentColor; }
main { max-width: var(--max); margin: auto; }
.eyebrow { margin: 0 0 1.2rem; font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .18em; }
.button { display: inline-flex; align-items: center; min-height: 51px; padding: 0 1.4rem; background: var(--signal); color: var(--ink); border: 1px solid var(--ink); border-radius: 999px; text-decoration: none; font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; box-shadow: 4px 4px 0 var(--ink); transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.text-link { font-weight: 600; text-underline-offset: .4em; }

.home-hero { min-height: 720px; display: grid; grid-template-columns: .92fr 1.08fr; padding: 48px 38px 64px; gap: 40px; align-items: center; }
.hero-copy h1 { max-width: 750px; }
.hero-copy h1 em { color: var(--copper); font-weight: 500; }
.hero-copy > p:not(.eyebrow) { max-width: 620px; margin-top: 2.4rem; font-size: 1.12rem; }
.hero-actions { display: flex; gap: 24px; align-items: center; margin-top: 2.2rem; }
.hero-figure { margin: 0; position: relative; min-height: 580px; }
.hero-figure::before { content: ""; position: absolute; inset: -18px 16px 22px -18px; border: 1px solid var(--deep); z-index: -1; }
.hero-figure img { width: 100%; height: 580px; filter: saturate(.78) contrast(1.05); clip-path: polygon(5% 0, 100% 0, 100% 92%, 86% 100%, 0 100%, 0 10%); }
.hero-figure figcaption { position: absolute; left: 22px; right: 22px; bottom: 20px; display: grid; grid-template-columns: auto 1fr auto 1fr; background: rgba(238,236,228,.92); border: 1px solid var(--ink); padding: .75rem 1rem; gap: .4rem .8rem; align-items: baseline; }
.hero-figure figcaption b { font-family: var(--serif); font-size: 1.25rem; }
.hero-figure figcaption span { font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }
.mission-strip { display: grid; grid-template-columns: repeat(4,1fr); background: var(--deep); color: var(--paper); border-block: 1px solid var(--ink); }
.mission-strip p { margin: 0; padding: 1.25rem 38px; border-right: 1px solid rgba(238,236,228,.35); text-transform: uppercase; letter-spacing: .15em; font-size: .78rem; }
.home-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 120px 38px; border-bottom: 1px solid var(--line); }
.home-intro h2 { max-width: 560px; }
.home-intro > div:last-child { max-width: 670px; font-size: 1.1rem; }
.feature-index { padding: 110px 38px; }
.feature-index header { max-width: 760px; margin-bottom: 52px; }
.feature-list { border-top: 1px solid var(--ink); }
.feature-list a { display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 24px; text-decoration: none; padding: 1.4rem 0; border-bottom: 1px solid var(--line); transition: padding .2s, background .2s; }
.feature-list a:hover { padding-inline: 18px; background: var(--signal); }
.feature-list span { font: 600 1.3rem var(--serif); color: var(--copper); }
.feature-list strong { font: 600 clamp(1.5rem,3vw,2.8rem) var(--serif); letter-spacing: -.02em; }
.feature-list small { text-transform: uppercase; letter-spacing: .11em; }
.home-deep-dive { display: grid; grid-template-columns: 1.2fr repeat(3,1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.home-deep-dive > * { padding: 42px 28px; border-right: 1px solid var(--line); }
.home-deep-dive h2 { font-size: clamp(2.1rem,3.5vw,3.7rem); }
.home-deep-dive h3 { font-size: 1.7rem; margin-bottom: 1.4rem; }
.home-deep-dive article:nth-child(3) { background: var(--paper-2); }
.tool-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; padding: 100px 38px; background: var(--deep); color: var(--paper); }
.tool-copy { position: sticky; top: 30px; align-self: start; }
.tool-copy p { max-width: 480px; }
.tool-score { display: flex; align-items: baseline; gap: .7rem; margin-top: 2.5rem; }
.tool-score strong { font: 600 6rem/1 var(--serif); color: var(--signal); }
.tool-score span { font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; }
.bag-check { border-top: 1px solid rgba(238,236,228,.35); }
.bag-check label { display: flex; gap: 1rem; align-items: center; padding: 1rem .2rem; border-bottom: 1px solid rgba(238,236,228,.22); cursor: pointer; }
.bag-check input { appearance: none; width: 25px; height: 25px; flex: 0 0 25px; border: 1px solid var(--paper); display: grid; place-items: center; }
.bag-check input:checked { background: var(--signal); border-color: var(--signal); }
.bag-check input:checked::after { content: "✓"; color: var(--deep); font-weight: 800; }
.bag-check label:has(input:checked) { color: var(--signal); }
.bag-check button { margin-top: 1.5rem; background: transparent; color: var(--paper); border: 1px solid currentColor; border-radius: 999px; padding: .55rem 1rem; cursor: pointer; }
.photo-break { margin: 0; position: relative; height: 560px; overflow: hidden; }
.photo-break img { width: 100%; height: 100%; filter: saturate(.65) contrast(1.1); }
.photo-break blockquote { position: absolute; left: 38px; bottom: 36px; max-width: 760px; margin: 0; padding: 1.3rem 1.5rem; background: var(--paper); border-left: 7px solid var(--signal); font: 500 clamp(1.6rem,3vw,3.2rem)/1.1 var(--serif); }
.three-paths { display: grid; grid-template-columns: repeat(3,1fr); }
.three-paths a { min-height: 330px; padding: 45px 38px; text-decoration: none; border-right: 1px solid var(--line); }
.three-paths a:hover { background: var(--signal); }
.three-paths span { display: block; color: var(--copper); font-weight: 700; }
.three-paths h2 { margin: 4rem 0 1rem; }

.hub-hero { display: grid; grid-template-columns: 1.06fr .94fr; min-height: 650px; padding: 70px 38px 80px; gap: 60px; align-items: end; }
.hub-hero h1 { font-size: clamp(3.7rem,7vw,7.5rem); }
.hub-hero p:not(.eyebrow) { max-width: 670px; font-size: 1.06rem; }
.hub-hero figure { margin: 0; align-self: stretch; }
.hub-hero img { width: 100%; height: 100%; min-height: 520px; clip-path: polygon(0 8%, 12% 0, 100% 0, 100% 100%, 0 100%); filter: saturate(.72); }
.hub-grid { border-top: 1px solid var(--ink); }
.hub-grid article { display: grid; grid-template-columns: 80px minmax(230px,.8fr) 1fr 1.2fr; gap: 30px; align-items: start; padding: 36px 38px; border-bottom: 1px solid var(--line); }
.hub-grid article:hover { background: var(--paper-2); }
.hub-index { color: var(--copper); font: 600 1.3rem var(--serif); }
.hub-grid h2 { font-size: clamp(1.8rem,3vw,3rem); }
.hub-grid article > div { display: grid; gap: .45rem; }
.hub-grid a { font-weight: 600; }
.hub-method { padding: 100px 38px 40px; }
.hub-method > h2 { max-width: 700px; margin-bottom: 60px; }
.hub-method article { display: grid; grid-template-columns: 60px 1fr; gap: 24px; max-width: 900px; margin-left: auto; padding: 35px 0; border-top: 1px solid var(--line); }
.hub-method article > span { color: var(--copper); font: 600 1.2rem var(--serif); }
.hub-method h3 { font-size: 2rem; margin-bottom: 1rem; }
.editorial-note { margin: 100px 38px; padding: 70px; background: var(--signal); border: 1px solid var(--ink); box-shadow: 14px 14px 0 var(--deep); }
.editorial-note h2 { max-width: 900px; }
.editorial-note > p:last-child { max-width: 720px; margin: 2rem 0 0 auto; }

.article-hero { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 640px; padding: 65px 38px 80px; gap: 55px; align-items: end; border-bottom: 1px solid var(--ink); }
.article-copy h1 { font-size: clamp(3.3rem,6.5vw,7rem); max-width: 880px; }
.dek { margin-top: 2rem; max-width: 700px; font-size: 1.18rem; }
.article-meta { display: flex; gap: 1rem; margin-top: 2rem; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
.article-meta span { border: 1px solid var(--ink); border-radius: 999px; padding: .45rem .8rem; }
.article-hero figure { margin: 0; position: relative; }
.article-hero img { width: 100%; height: 520px; filter: saturate(.7); clip-path: polygon(0 0,100% 0,100% 88%,89% 100%,0 100%); }
.article-hero figcaption { font-size: .72rem; margin-top: .7rem; }
.article-layout { display: grid; grid-template-columns: 245px 1fr; gap: 70px; padding: 90px 38px 120px; }
.article-aside { position: sticky; top: 24px; align-self: start; display: grid; grid-template-columns: 30px 1fr; gap: 20px; }
.vertical-label { writing-mode: vertical-rl; transform: rotate(180deg); text-transform: uppercase; letter-spacing: .15em; font-size: .66rem; color: var(--copper); }
.article-aside nav { display: grid; gap: .7rem; font-size: .78rem; }
.article-aside a { text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: .55rem; }
.article-content { max-width: 850px; }
.lead-copy { font: 500 1.45rem/1.55 var(--serif); border-left: 6px solid var(--signal); padding-left: 28px; margin-bottom: 80px; }
.article-section { display: grid; grid-template-columns: 55px 1fr; gap: 25px; padding: 58px 0; border-top: 1px solid var(--line); scroll-margin-top: 30px; }
.article-section h2 { font-size: clamp(2rem,3.7vw,3.7rem); margin-bottom: 2rem; }
.article-section p { max-width: 760px; }
.section-no { color: var(--copper); font: 600 1.2rem var(--serif); }
.practice-note { margin: 45px 0 70px; padding: 42px 45px; border: 1px solid var(--deep); background: linear-gradient(90deg, rgba(8,74,63,.08) 0 9px, transparent 9px); }
.practice-note h2 { font-size: clamp(2rem,3.4vw,3.5rem); margin-bottom: 1.8rem; }
.practice-note p:not(.eyebrow) { max-width: 740px; }
.check-panel { background: var(--deep); color: var(--paper); padding: 45px; margin: 70px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; }
.check-panel h2 { font-size: 2.8rem; }
.check-panel ul { margin: 0; padding: 0; list-style: none; }
.check-panel li { display: flex; gap: .8rem; padding: .7rem 0; border-bottom: 1px solid rgba(238,236,228,.25); }
.check-panel li span { color: var(--signal); }
.author-box { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 34px; background: var(--paper-2); border: 1px solid var(--line); }
.author-initials { width: 72px; height: 72px; display: grid; place-items: center; border-radius: 50%; background: var(--copper); color: var(--paper); font: 600 1.6rem var(--serif); }
.author-box p { margin: .5rem 0; }
.related { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 70px; border-top: 1px solid var(--ink); }
.related a { min-height: 160px; padding: 22px 18px 22px 0; border-right: 1px solid var(--line); text-decoration: none; font: 600 1.25rem/1.2 var(--serif); }
.related a span { display: block; margin-bottom: 2rem; font: 600 .64rem var(--sans); text-transform: uppercase; letter-spacing: .12em; color: var(--copper); }

.info-page, .sitemap-page, .error-page { padding: 80px 38px 120px; min-height: 70vh; }
.info-page > header, .sitemap-page > header { max-width: 900px; margin-bottom: 80px; }
.info-page h1, .sitemap-page h1 { font-size: clamp(4rem,8vw,8rem); }
.info-page > header > p:last-child { font-size: 1.2rem; max-width: 720px; margin-top: 2rem; }
.info-sections section { display: grid; grid-template-columns: 80px .65fr; gap: 25px; padding: 42px 0; border-top: 1px solid var(--line); }
.info-sections section > span { color: var(--copper); font: 600 1.2rem var(--serif); }
.info-sections h2 { font-size: 2.7rem; margin-bottom: 1rem; }
.credit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.credit-card { background: var(--paper-2); padding: 18px; }
.credit-card img { width: 100%; aspect-ratio: 4/3; margin-bottom: 1rem; }
.credit-card a { font-weight: 600; }
.sitemap-page section { padding: 40px 0; border-top: 1px solid var(--line); }
.sitemap-page h2 { font-size: 2.5rem; }
.sitemap-page ul { columns: 2; padding-left: 1.2rem; }
.sitemap-page li { margin: .7rem 0; break-inside: avoid; }
.error-page h1 { max-width: 850px; margin-bottom: 2rem; }
.error-page p:not(.eyebrow) { max-width: 580px; }

.site-footer { max-width: var(--max); margin: auto; background: var(--ink); color: var(--paper); padding: 65px 38px 30px; }
.footer-lead { display: grid; grid-template-columns: 70px 1fr; gap: 28px; max-width: 620px; }
.footer-lead .brand-mark { background: var(--paper); color: var(--deep); }
.footer-lead p { font: 500 1.45rem/1.45 var(--serif); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem 2.3rem; margin: 70px 0 35px; padding-top: 25px; border-top: 1px solid rgba(238,236,228,.25); }
.footer-links a { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }
.fineprint { margin: 0; max-width: 760px; font-size: .72rem; opacity: .68; }

@media (max-width: 1100px) {
  .depth-rail { display: none; }
  .home-hero, .hub-hero, .article-hero { grid-template-columns: 1fr; }
  .hero-figure { min-height: 440px; }
  .hero-figure img { height: 440px; }
  .hub-hero figure { max-height: 520px; }
  .hub-grid article { grid-template-columns: 55px 1fr 1fr; }
  .hub-grid article > div { grid-column: 2 / -1; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-header { min-height: 84px; padding: 16px 20px; }
  .brand-mark { width: 46px; height: 46px; }
  .nav-toggle { display: block; }
  .site-header nav { display: none; position: absolute; left: 20px; right: 20px; top: 76px; padding: 12px; background: var(--paper); border: 1px solid var(--ink); flex-direction: column; align-items: stretch; }
  .site-header nav.open { display: flex; }
  .site-header nav a { padding: .9rem; }
  .home-hero, .hub-hero, .article-hero, .home-intro, .tool-section { padding-inline: 20px; }
  .home-hero { padding-top: 34px; min-height: 0; }
  h1 { font-size: clamp(3.1rem,15vw,5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .mission-strip { grid-template-columns: 1fr 1fr; }
  .mission-strip p { padding: 1rem 20px; }
  .home-intro, .tool-section { grid-template-columns: 1fr; gap: 40px; padding-block: 75px; }
  .home-deep-dive { grid-template-columns: 1fr; }
  .home-deep-dive > * { border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 20px; }
  .feature-index { padding: 75px 20px; }
  .feature-list a { grid-template-columns: 44px 1fr; gap: 12px; }
  .feature-list small { grid-column: 2; }
  .photo-break blockquote { left: 20px; right: 20px; bottom: 20px; }
  .three-paths { grid-template-columns: 1fr; }
  .three-paths a { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 20px; }
  .three-paths h2 { margin-top: 2.3rem; }
  .hub-grid article { grid-template-columns: 40px 1fr; padding: 28px 20px; }
  .hub-grid article > p, .hub-grid article > div { grid-column: 2; }
  .hub-method { padding-inline: 20px; }
  .editorial-note { margin: 70px 20px; padding: 38px 25px; }
  .article-hero { padding-block: 50px; }
  .article-hero img { height: 380px; }
  .article-layout { padding: 65px 20px 90px; }
  .lead-copy { font-size: 1.25rem; padding-left: 18px; }
  .article-section { grid-template-columns: 34px 1fr; gap: 10px; }
  .check-panel { grid-template-columns: 1fr; padding: 28px 22px; }
  .author-box { grid-template-columns: 1fr; }
  .related { grid-template-columns: 1fr; }
  .related a { min-height: 120px; border-right: 0; border-bottom: 1px solid var(--line); }
  .info-page, .sitemap-page, .error-page { padding-inline: 20px; }
  .info-sections section { grid-template-columns: 42px 1fr; }
  .credit-grid { grid-template-columns: 1fr; }
  .sitemap-page ul { columns: 1; }
  .site-footer { padding-inline: 20px; }
}

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