:root{
  /* Billi's authored palette, carried over verbatim from source/Data_Center_Brochure_Animated.html */
  --navy:#1E3A5F;
  --navy-dk:#122A4C;
  --navy-mid:#244C79;
  --ink:#22314A;
  --sub:#6A7C93;
  --line:#E2E8F0;
  --paper:#ffffff;
  --page-a:#F4F7FB;
  --page-b:#E8EEF6;
  --red:#C0392B;
  --red-text:#8A3A32;
  --red-bg:#FBEAE8;
  --green:#2E7D32;
  --green-text:#2A5535;
  --green-bg:#EAF7EC;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'Source Sans 3',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:linear-gradient(180deg,var(--page-a) 0%,var(--page-b) 100%);background-attachment:fixed;
  color:var(--ink);font-family:var(--sans);
  font-size:19px;line-height:1.6;
}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.15;margin:0}
a{color:inherit}
img{max-width:100%}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:12px 20px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid #2F80ED;outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:30;background:#fff;border-bottom:4px solid var(--navy)}
.header-row{max-width:76rem;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.wordmark-link{display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.wordmark{font-family:var(--serif);font-weight:700;font-size:26px;color:var(--navy)}
.subline{font-size:14px;color:var(--sub)}
.header-links{display:flex;gap:28px;font-weight:600}
.header-links a{text-decoration:none;padding:10px 4px;border-bottom:2px solid transparent}
.header-links a:hover,.header-links a[aria-current]{border-bottom-color:var(--navy)}
.menu-toggle{display:none;min-height:44px;min-width:88px;border:2px solid var(--navy);background:#fff;color:var(--navy);border-radius:8px;font-family:var(--sans);font-weight:700;font-size:16px;cursor:pointer}
.menu-toggle .menu-toggle-label{font-size:0}
.menu-toggle .menu-toggle-label::before{content:"Menu";font-size:16px}
.menu-toggle[aria-expanded="true"] .menu-toggle-label::before{content:"Close"}
.mobile-menu{display:none}

@media (max-width: 720px){
  .header-links{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-menu[hidden]{display:none}
  .mobile-menu{
    display:flex;flex-direction:column;max-width:76rem;margin:0 auto;padding:4px 24px 18px;gap:2px;border-top:1px solid var(--line);
  }
  .mobile-menu a{padding:12px 4px;min-height:44px;display:flex;align-items:center;text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
}

/* Topic bar — sticky only above the mobile breakpoint, where it stays one row;
   on phones it would wrap to 2-3 rows and permanently eat screen space, so it
   scrolls away normally there and the Menu button (which lists every topic)
   covers jump navigation instead. */
.topic-bar{max-width:76rem;margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;gap:10px;border-bottom:1px solid var(--line)}
@media (min-width:721px){
  .topic-bar{position:sticky;top:var(--header-h,80px);z-index:25;background:var(--page-a)}
}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);text-decoration:none;color:var(--ink);font-weight:600;font-size:16px}
.chip-num{font-family:var(--serif);font-weight:700;font-size:13px;color:var(--sub)}
.chip.is-current{background:var(--navy);border-color:var(--navy);color:#fff}
.chip.is-current .chip-num{color:#cfe0ea}
.chip:hover:not(.is-current){border-color:var(--navy)}

main{max-width:76rem;margin:0 auto;padding:0 24px}

/* Home hero */
.hero{padding:48px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.eyebrow{font-weight:700;color:var(--sub);letter-spacing:.02em;margin:0 0 12px}
.hero h1{font-size:clamp(34px,5vw,54px);margin-bottom:16px}
.tagline{font-size:20px;color:var(--sub);margin:0 0 28px;max-width:32rem}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 26px;border-radius:8px;font-weight:700;font-size:17px;text-decoration:none;border:2px solid var(--navy)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-dk)}
.btn-secondary{background:#fff;color:var(--navy)}
.btn-secondary:hover{background:#f2f6f8}
.btn-text{font-weight:700;text-decoration:underline;color:var(--navy);min-height:44px;display:inline-flex;align-items:center}
.bottom-line{background:linear-gradient(135deg,var(--navy-dk) 0%,var(--navy) 55%,var(--navy-mid) 100%);color:#fff;border-radius:14px;padding:28px 30px}
.bottom-line-label{font-family:var(--serif);font-weight:700;font-size:20px;margin:0 0 12px}
.bottom-line p:not(.bottom-line-label){margin:0;font-size:18px;line-height:1.6;color:#e7eef2}

/* Topics section / cards */
.topics-section{padding:24px 0 64px;border-top:1px solid var(--line)}
.topics-section h2{font-size:clamp(26px,3.4vw,36px);margin-top:32px}
.section-sub{color:var(--sub);font-size:18px;max-width:44rem;margin:10px 0 28px}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.topic-card{grid-column:span 1;display:block;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 26px 24px;transition:border-color .15s ease,box-shadow .15s ease}
.topic-card:hover{border-color:var(--accent,var(--navy));box-shadow:0 6px 20px rgba(29,58,74,.08)}
.card-icon{width:44px;height:44px;border-radius:50%;background:#F2F6FB;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card-icon svg{width:60%;height:60%}
.card-eyebrow{margin:0 0 10px;font-weight:700;font-size:13px;letter-spacing:.04em;color:var(--accent,var(--navy))}
.card-num{font-family:var(--serif)}
.card-question{font-size:22px;margin:0 0 10px}
.card-blurb{color:var(--sub);margin:0 0 16px;font-size:17px}
.card-cta{font-weight:700;color:var(--navy)}

/* About page (standalone single-column page) */
.topic-page{max-width:46rem;margin:0 auto;padding:34px 0 72px}
.breadcrumb{font-size:15px;color:var(--sub);margin-bottom:18px}
.breadcrumb a{text-decoration:none;font-weight:600;color:var(--sub)}
.breadcrumb a:hover{color:var(--navy)}
.topic-page h1{font-size:clamp(30px,4.4vw,44px);margin-bottom:14px}

/* Shared topic-head / kicker / lede (About page + long-scroll topic sections) */
.topic-head{display:flex;align-items:center;gap:18px;margin-bottom:8px}
.topic-badge{width:56px;height:56px;border-radius:50%;background:var(--accent,var(--navy));display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 14px rgba(0,0,0,.14)}
.topic-badge svg{width:60%;height:60%}
.kicker{color:var(--accent,var(--navy));font-weight:700;font-size:17px;margin:0 0 8px}
.topic-title{font-size:clamp(30px,4.4vw,44px);margin-bottom:0}
.lede{font-size:20px;color:var(--sub);margin:0 0 32px}

/* Long-scroll topic sections */
.topic-section{scroll-margin-top:var(--sticky-h,150px);padding:56px 0;border-top:6px solid var(--accent,var(--line))}
.topic-section:first-of-type{margin-top:8px}
.topic-inner{max-width:76rem;margin:0 auto;padding:0 24px}
.topic-section .lede{max-width:58rem}
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;margin-top:8px}
.topic-data-col,.topic-notes-col{min-width:0}
.topic-data-col .compare-heading{margin-top:0}
.topic-notes-col .note{margin-bottom:28px}
.topic-notes-col .note:last-child{margin-bottom:0}
@media (max-width:720px){
  .topic-grid{grid-template-columns:1fr;gap:32px}
}

.myth-fact{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:40px}
.myth,.fact{border-radius:10px;padding:22px 24px;border:1px solid var(--line);border-left-width:6px}
.myth{border-left-color:var(--red);background:var(--red-bg)}
.fact{border-left-color:var(--green);background:var(--green-bg)}
.mf-label{margin:0 0 8px;font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.myth .mf-label{color:var(--red)}
.fact .mf-label{color:var(--green)}
.mf-text{margin:0;font-size:19px;line-height:1.5}
.myth .mf-text{font-style:italic;color:var(--red-text)}
.fact .mf-text{font-weight:600;color:var(--green-text)}

.compare-heading{font-size:24px;margin:0 0 16px}
.compare-list{background:var(--paper);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:36px}
/* flex-wrap (not a width breakpoint) so the amount pill drops to its own line
   only when a row's actual content needs it — some rows are short enough to
   stay on one line at any width, others (long label + long amount, e.g. the
   Community "this project" row) need to wrap even in a wide desktop column;
   a fixed-width breakpoint can't tell those cases apart, content-aware wrap can. */
.compare-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding:14px 20px;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row.is-highlight{background:var(--green-bg);box-shadow:inset 0 0 0 1.5px var(--green)}
.compare-main{display:flex;align-items:center;gap:14px;min-width:0;flex:1 1 auto}
.compare-icon{width:40px;height:40px;border-radius:50%;background:#F2F6FB;display:flex;align-items:center;justify-content:center;flex:none}
.compare-icon svg{width:60%;height:60%}
.compare-row.is-highlight .compare-icon{background:#fff}
.compare-label{font-weight:600;min-width:0}
.compare-row.is-highlight .compare-label{color:var(--green)}
.compare-tag{display:block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--green);margin-top:2px}
.compare-amount{font-weight:700;text-align:right;background:#EEF3F8;color:#46586f;border-radius:999px;padding:6px 14px;flex:none;max-width:100%}
.compare-row.is-highlight .compare-amount{background:var(--green);color:#fff}
.compare-star{position:absolute;left:10px;top:-11px;color:#F5A623;font-size:19px;line-height:1;text-shadow:0 1px 1px rgba(0,0,0,.18)}

.note{margin-bottom:30px}
.note h2,.note h3{font-size:22px;margin-bottom:10px}
.note p{margin:0;color:var(--ink)}

.steps{padding-left:22px;margin:0}
.steps li{margin-bottom:10px;font-size:19px}
.topic-list{list-style:none;padding:0;margin:0}
.topic-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.topic-list a{font-weight:700;text-decoration:none;color:var(--navy)}
.topic-list a:hover{text-decoration:underline}

/* Footer */
.site-footer{background:var(--navy-dk);color:#e7eef2;margin-top:40px}
.footer-grid{max-width:76rem;margin:0 auto;padding:44px 24px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.footer-name{font-family:var(--serif);font-weight:700;font-size:22px;color:#fff;margin:0 0 8px}
.footer-tag{margin:0;color:#c7d6de;font-size:16px;line-height:1.5}
.footer-heading{font-weight:700;margin:0 0 12px;color:#fff}
.footer-sitemap nav{display:flex;flex-direction:column;gap:8px}
.footer-sitemap a{color:#dbe7ec;text-decoration:none;font-size:16px}
.footer-sitemap a:hover{text-decoration:underline}

@media (max-width: 860px){
  .hero-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .myth-fact{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width: 480px){
  body{font-size:18px}
  .topic-badge{width:44px;height:44px}
}

@media print{
  .site-header,.topic-bar,.site-footer,.breadcrumb{display:none}
  body{font-size:13pt}
  .topic-page,.topic-inner{max-width:none;padding:0}
  .topic-section{border-top:1px solid #999;page-break-inside:avoid}
  .topic-grid{grid-template-columns:1fr 1fr}
}