/* Family IT Guy — brand tokens as CSS custom properties.
   Import this and use var(--fitg-*) instead of hardcoding brand values.
   Single source for code + Claude Design; mirrors DESIGN.md / tokens.json. */
:root {
  /* palette */
  --fitg-cool-slate: #1D252D;
  --fitg-warm-red:   #EE2737;
  --fitg-it-gold:    #FFBF3F;
  --fitg-pale-blue:  #B8DDE1;
  --fitg-pale-grey:  #EBEBE9;
  --fitg-white:      #FFFFFF;
  --fitg-black:      #000000;

  /* roles */
  --fitg-bg:     var(--fitg-white);
  --fitg-text:   var(--fitg-cool-slate);
  --fitg-accent: var(--fitg-warm-red);
  --fitg-mark:   var(--fitg-it-gold);

  /* type */
  --fitg-font-heading: "IBM Plex Serif", Georgia, serif;
  --fitg-font-body:    "DM Sans", system-ui, sans-serif;
}

@font-face{font-family:'DM Sans';src:url('../fonts/DMSans-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'DM Sans';src:url('../fonts/DMSans-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'IBM Plex Serif';src:url('../fonts/IBMPlexSerif-SemiBold.ttf') format('truetype');font-weight:600;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--fitg-white);color:var(--fitg-text);font-family:var(--fitg-font-body);font-size:18px;line-height:1.7}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--fitg-warm-red);outline-offset:6px}.review-bar{padding:9px 24px;background:var(--fitg-cool-slate);color:white;font-size:13px;text-align:center}.review-bar a{margin-left:12px}.site-header{max-width:1160px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{width:230px;display:block;max-width:100%}.site-header nav{display:flex;gap:26px;font-size:15px;font-weight:700}.site-header nav a{text-decoration:none}.site-header nav a[aria-current=page]{border-bottom:2px solid var(--fitg-warm-red)}.learn-hero{background:color-mix(in srgb,var(--fitg-pale-blue) 30%,white);padding:62px max(32px,calc((100vw - 1096px)/2)) 52px}.eyebrow{font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:0 0 18px}h1,h2,h3{font-family:var(--fitg-font-heading);font-weight:600;line-height:1.2}h1{font-size:clamp(38px,4.5vw,60px);max-width:870px;margin:0 0 24px;letter-spacing:-.025em}h2{font-size:32px;margin:0 0 20px}h3{font-size:23px;margin:0 0 14px}.byline{font-size:16px;margin:0}.reading-layout{max-width:1160px;padding:60px 32px 72px;margin:auto;display:grid;grid-template-columns:minmax(0,740px) 220px;gap:72px}.article-content{min-width:0}.article-content p{margin:0 0 25px}.article-content .article-lead{font-size:22px;line-height:1.65;border-left:4px solid var(--fitg-warm-red);padding-left:24px;margin-bottom:30px}.article-content .section-start{margin-top:46px}.callout{border-radius:8px;padding:26px 28px;margin:34px 0}.callout.info-callout{background:color-mix(in srgb,var(--fitg-pale-blue) 23%,white);border-left:5px solid var(--fitg-pale-blue)}.callout p:last-child{margin-bottom:0}.callout a{font-size:14px}.conclusion{font-family:var(--fitg-font-heading);font-size:26px;line-height:1.5;border-left:4px solid var(--fitg-it-gold);padding-left:25px;margin-top:40px!important}.sidebar{position:sticky;top:32px;align-self:start;font-size:14px;line-height:1.5;border-top:3px solid var(--fitg-it-gold);padding-top:18px}.sidebar strong{display:block;margin-bottom:16px}.sidebar a{display:block;margin-bottom:15px;text-decoration:none}.sidebar a:hover{text-decoration:underline}.next-steps{background:var(--fitg-pale-grey);padding:52px 32px}.next-inner{max-width:1096px;margin:auto}.next-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:52px;margin-top:28px}.next-grid p{margin:10px 0 0;font-size:17px;max-width:550px}.next-grid a{font-size:21px;font-weight:700}.more-links{font-size:15px;margin:30px 0 0;display:flex;gap:24px;flex-wrap:wrap}.footer{max-width:1160px;margin:auto;padding:28px 32px;font-size:14px;display:flex;justify-content:space-between;gap:18px}.hero-intro{font-size:21px;max-width:710px;margin:0 0 30px;line-height:1.6}.actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.button{display:inline-block;border-radius:6px;padding:13px 24px;background:var(--fitg-warm-red);color:white;font-size:19px;font-weight:700;text-decoration:none}.paths{max-width:1160px;margin:auto;padding:62px 32px 70px}.paths-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.path{border-top:3px solid var(--fitg-it-gold);padding-top:22px}.path p{font-size:17px;line-height:1.6;min-height:82px}.path a{display:block;font-size:16px;margin-top:14px}.library-note{background:var(--fitg-pale-grey);padding:24px 32px;font-size:16px}.library-note p{max-width:1096px;margin:auto}.skip-link{position:absolute;left:16px;top:-100px;padding:10px;background:white;z-index:10}.skip-link:focus{top:16px}@media(max-width:800px){.site-header{padding:22px 24px;flex-wrap:wrap}.logo{width:200px}.site-header nav{gap:20px;font-size:14px}.learn-hero{padding:40px 24px 36px}h1{font-size:39px}.reading-layout{display:block;padding:36px 24px 44px}.sidebar{display:none}.article-content .article-lead{font-size:21px;padding-left:18px}.callout{padding:22px 20px}.conclusion{font-size:24px}.next-steps{padding:34px 24px}.next-grid{grid-template-columns:1fr;gap:30px}.paths{padding:40px 24px}.paths-grid{grid-template-columns:1fr;gap:34px}.path p{min-height:0;margin-bottom:16px}.hero-intro{font-size:19px}.footer{padding:24px;display:block}.footer span{display:block}.review-bar{font-size:12px;padding:8px 16px}h2{font-size:28px}.actions{gap:18px}.more-links{gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Homepage refinement: author identity and direct returning-visitor routes. */
.foundation-home .path-resources{list-style:none;padding:0;margin:24px 0 0}
.foundation-home .path-resources li{padding:18px 0;border-top:1px solid var(--fitg-pale-grey)}
.foundation-home .path-resources a{font-size:18px;font-weight:700;line-height:1.4;margin:0}
.foundation-home .path-resources span{display:block;font-size:16px;line-height:1.5;margin-top:7px}
.foundation-home .path-more{margin-top:20px}
.foundation-home .browse-guides{margin:34px 0 0;font-size:16px}
.entry-search{padding:22px 32px 26px;border-top:1px solid var(--fitg-pale-grey);background:var(--fitg-white)}
.entry-search-inner{max-width:1096px;margin:auto}
.entry-search h2{font-family:var(--fitg-font-body);font-size:17px;font-weight:700;margin:0 0 10px}
.entry-search .ais-SearchBox-form{display:flex;align-items:center;max-width:750px;border:1px solid var(--fitg-cool-slate);border-radius:6px;overflow:hidden;background:var(--fitg-white)}
.entry-search .ais-SearchBox-input{min-width:0;flex:1;width:100%;padding:14px 16px;border:0;background:transparent;font:inherit;font-size:17px;color:var(--fitg-text)}
.entry-search .ais-SearchBox-submit,.entry-search .ais-SearchBox-loadingIndicator{border:0;background:transparent;padding:14px 18px;color:var(--fitg-cool-slate);cursor:pointer}
.entry-search .ais-SearchBox-submitIcon{width:20px;height:20px;fill:currentColor}
.entry-search .ais-SearchBox-form:focus-within{outline:3px solid var(--fitg-it-gold);outline-offset:3px}
.entry-search .ais-SearchBox-input:focus{outline:0}
.entry-search .search-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.entry-search .search-tag{font:inherit;font-size:14px;line-height:1.5;padding:5px 11px;border:1px solid var(--fitg-pale-grey);background:var(--fitg-pale-grey);color:var(--fitg-text);border-radius:4px;cursor:pointer}
.entry-search button:focus-visible{outline:3px solid var(--fitg-warm-red);outline-offset:3px}
.entry-search #homepage-search-results{max-width:750px;margin-top:24px}
.entry-search .search-results-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.entry-search .search-result{position:relative;border-top:1px solid var(--fitg-pale-grey);padding:18px 0}
.entry-search .card-link-overlay{position:absolute;inset:0}
.entry-search .search-result-title{font-size:20px;font-weight:700;position:relative;pointer-events:none}
.entry-search .search-result-title a{pointer-events:auto}
.entry-search .content-type-icon,.entry-search .new-badge{display:none}
.entry-search .search-result-description{font-size:16px;margin:9px 0;line-height:1.6}
.entry-search .search-result-metadata{font-size:13px;display:flex;gap:16px}
.entry-search mark{background:var(--fitg-pale-blue);color:var(--fitg-text)}
@media(max-width:800px){.entry-search{padding:18px 24px 22px}.entry-search .ais-SearchBox-input{font-size:16px;padding:13px 12px}.entry-search .ais-SearchBox-submit{padding:12px}.entry-search .search-tags{gap:8px}.entry-search .search-tag{font-size:13px;padding:5px 9px}}
.foundation-home .entry-search{padding:30px 32px;border-top:0;border-bottom:1px solid var(--fitg-pale-grey)}
.homepage-hero{padding-top:38px;padding-bottom:34px}
.homepage-hero .welcome-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-template-areas:"title portrait" "identity portrait" "intro portrait" "actions portrait";column-gap:64px;row-gap:16px;align-items:start}
.homepage-hero h1{grid-area:title;font-size:48px;line-height:1.15;margin:0;max-width:100%;text-wrap:balance}
.homepage-hero .author-portrait{grid-area:portrait;margin:0}
.homepage-hero .author-portrait img{display:block;width:280px;height:280px;border-radius:8px;object-fit:cover}
.homepage-hero .author-portrait--close{width:280px;height:280px;overflow:hidden;border-radius:8px}
.homepage-hero .author-portrait--close img{transform:scale(1.22);transform-origin:50% 30%}
.homepage-hero .hero-identity{grid-area:identity;font-size:24px;font-weight:700;line-height:1.4;margin:0}
.homepage-hero .hero-intro{grid-area:intro;margin:0;font-size:20px;line-height:1.55}
.homepage-hero .actions{grid-area:actions;font-size:16px;gap:22px}
.homepage-hero .button{font-size:17px;padding:11px 22px}
@media(max-width:800px){
 .foundation-home .site-header{padding:16px 24px}
 .foundation-home .logo{width:180px}
 .foundation-home .entry-search{padding:24px}
 .homepage-hero{padding:24px}
 .homepage-hero .welcome-grid{grid-template-columns:52px minmax(0,1fr);grid-template-areas:"title title" "portrait identity" "intro intro" "actions actions";column-gap:14px;row-gap:12px}
 .homepage-hero h1{font-size:clamp(24px,7.6vw,32px);line-height:1.2;text-align:left;text-wrap:wrap;text-wrap:pretty}
 .homepage-hero .author-portrait{align-self:center}
 .homepage-hero .author-portrait img{width:52px;height:52px;border-radius:50%}
 .homepage-hero .author-portrait--close{width:52px;height:52px;border-radius:50%}
 .homepage-hero .hero-identity{font-size:18px;align-self:center}
 .homepage-hero .hero-intro{font-size:17px;line-height:1.5}
 .homepage-hero .actions{gap:18px}
 .homepage-hero .button{padding:10px 18px}
}

/* Full-page integration. The introduction remains the approved layout. */
.foundation-offer{max-width:1096px;margin:0 auto 56px;padding:32px;border:1px solid var(--fitg-pale-grey);border-left:4px solid var(--fitg-it-gold);display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.foundation-offer h2{font-size:27px;margin-bottom:12px}.foundation-offer p{font-size:17px;max-width:660px;margin:0}.foundation-offer .offer-label{font-size:14px;margin-bottom:12px}.foundation-offer .button{font-size:16px;white-space:nowrap}
.foundation-newsletter{background:var(--fitg-pale-grey);padding:48px 32px}.foundation-newsletter-inner{max-width:1096px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.foundation-newsletter h2{font-size:28px;margin:0 0 12px}.foundation-newsletter p{margin:0;font-size:17px}.foundation-newsletter label{font-size:15px;display:block;margin-bottom:7px}.foundation-newsletter .form-group{display:flex;gap:10px}.foundation-newsletter input{font:inherit;font-size:17px;padding:12px;min-width:0;flex:1;width:100%;border:1px solid var(--fitg-cool-slate);border-radius:5px;background:white}.foundation-newsletter button{font:inherit;font-size:16px;border:0;cursor:pointer}.foundation-newsletter .form-note{font-size:13px;line-height:1.5;margin-top:12px}.preview-form-result{font-size:14px!important;margin-top:14px!important}
.site-directory{max-width:1160px;margin:auto;padding:48px 32px 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.site-directory h2{font-family:var(--fitg-font-body);font-size:16px;margin-bottom:15px}.site-directory ul{list-style:none;padding:0;margin:0}.site-directory li{font-size:15px;margin:9px 0}.site-directory a{text-decoration:none}.site-directory a:hover{text-decoration:underline}
.footer{display:block;max-width:none;padding:0 32px 28px}.footer .container{max-width:1096px;margin:auto;border-top:1px solid var(--fitg-pale-grey);padding-top:22px}.footer-content{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-links,.social-links{display:flex;gap:20px;align-items:center}.social-icon{width:22px;height:22px;display:block}.footer p{margin:0}.footer .tip-jar-modal .container{border:0}
.foundation-related{border-top:1px solid #ddd;padding-top:24px;margin-top:32px;font-size:16px}
@media(max-width:800px){.foundation-offer{margin:0 24px 36px;padding:24px;grid-template-columns:1fr;gap:20px}.foundation-offer .button{justify-self:start}.foundation-newsletter{padding:34px 24px}.foundation-newsletter-inner{grid-template-columns:1fr;gap:24px}.site-directory{padding:32px 24px;grid-template-columns:1fr 1fr;gap:24px}.footer{padding:0 24px 24px}.footer-content{align-items:flex-start;flex-direction:column;gap:18px}.foundation-newsletter .form-group{flex-wrap:wrap}.foundation-newsletter input{flex-basis:180px}.foundation-newsletter button{padding:12px 18px}.footer span{display:inline}}
@media(max-width:350px){.site-directory{grid-template-columns:1fr}}

.social-icon{filter:brightness(0) saturate(100%)}

/* Keep each part of the introduction together, with deliberate phone line breaks. */
.homepage-hero .hero-identity>span{display:inline-block;max-width:100%}
@media(max-width:800px){.homepage-hero .hero-identity .identity-name,.homepage-hero .hero-identity .identity-role{display:block}}

/* Accepted homepage layout: keep topic introductions visible and reveal their questions on demand. */
.foundation-home .path-disclosure summary{display:flex;align-items:flex-start;gap:16px;list-style:none;cursor:pointer}
.foundation-home .path-disclosure summary::-webkit-details-marker{display:none}
.foundation-home .path-disclosure summary::after{content:"";flex:0 0 9px;width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:10px 4px 0 0}
.foundation-home .path-disclosure[open] summary::after{transform:rotate(225deg);margin-top:15px}
.foundation-home .path-summary-copy{flex:1;min-width:0}
.foundation-home .path-summary-copy h2{margin-bottom:16px}
.foundation-home .path-summary-copy p{margin-top:0;margin-bottom:0}
@media(max-width:800px){
 .foundation-home .paths-grid{gap:24px}
 .foundation-home .path-disclosure{padding-top:20px}
 .foundation-home .path-summary-copy h2{font-size:25px;line-height:1.25;margin-bottom:10px}
 .foundation-home .path-summary-copy p{font-size:16px;line-height:1.5}
 .foundation-home .path-disclosure[open]{padding-bottom:8px}
 .foundation-home .path-disclosure .path-resources{margin-top:20px}
 .foundation-home .browse-guides{margin-top:28px}
}
@media print{.foundation-home .path-disclosure> :not(summary){display:block!important}}

/* Keep mobile suggested searches in one readable row; narrow or enlarged views can scroll. */
@media(max-width:800px){
 .entry-search .search-tags{flex-wrap:nowrap;gap:4px;overflow-x:auto;scroll-padding-inline:4px}
 .entry-search .search-tag{flex:0 0 auto;white-space:nowrap;font-size:13px;padding:7px 3px;min-height:36px}
 .entry-search .search-tag:focus-visible{outline-offset:-3px}
}

/* Long-form reading: overview, visible contents and the complete argument. */
[data-foundation-page="start-here"] .reading-layout{row-gap:36px}
.reading-overview{grid-column:1;grid-row:1;border-bottom:1px solid var(--fitg-pale-grey);padding-bottom:30px}
.reading-overview h2{font-size:24px;margin-bottom:16px}
.reading-overview p{font-size:19px;line-height:1.65;margin:0}
.reading-contents{grid-column:2;grid-row:1 / span 2}
[data-foundation-page="start-here"] .article-content{grid-column:1;grid-row:2}
[data-foundation-page="start-here"] .article-content h2{margin:46px 0 22px;scroll-margin-top:24px}
@media(max-width:800px){
 .reading-overview{padding-bottom:24px}
 .reading-overview h2{font-size:22px}
 .reading-overview p{font-size:18px}
 .reading-contents{display:block;position:static;border-top:0;border-bottom:1px solid var(--fitg-pale-grey);padding:22px 0;margin:0 0 32px;font-size:15px}
 .reading-contents strong{margin-bottom:10px}
 .reading-contents a{padding:8px 0;margin:0;text-decoration:underline;line-height:1.5}
 [data-foundation-page="start-here"] .article-content h2{font-size:28px;margin-top:36px}
}
@media print{.reading-contents{display:none}.reading-layout{display:block}.article-content h2{break-after:avoid}}

/* Separate the approved fundamentals and begin the explanation without a repeated lead. */
.reading-overview p+p{margin-top:20px}
[data-foundation-page="start-here"] .article-content>h2:first-child{margin-top:0}