/* GaiaSignal public application of Atlas v1.0.0. */
* , *::before, *::after { box-sizing: border-box; }
/* Keep the Atlas canvas and SVG logo together when Chrome auto-darkens pages. */
:root { color-scheme: only light; --outer: 64px; --focus: var(--gs-atlas-color-focus); }
html { scroll-behavior: smooth; background: var(--gs-atlas-color-canvas); }
body { margin: 0; background: var(--gs-atlas-color-canvas); color: var(--gs-atlas-color-text); font: 400 18px/1.55 var(--gs-atlas-font-body); font-synthesis: none; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
h1,h2,h3,p,blockquote,ol,ul,dl,dd { margin: 0; }
h1,h2,h3 { font-family: var(--gs-atlas-font-display); font-weight: 400; letter-spacing: -.035em; overflow-wrap: anywhere; }
h1 { font-size: 64px; line-height: 1.05; }
h2 { font-size: 40px; line-height: 1.15; }
h3 { font-size: 28px; line-height: 1.25; }
strong { font-weight: 600; }
p + p { margin-top: 20px; }
a { color: var(--gs-atlas-color-link); text-underline-offset: 4px; }
button,input,textarea { font: inherit; }
:where(a,button,input,textarea,select,summary,[tabindex]):focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
:target { scroll-margin-top: 24px; }
img { max-width: 100%; }
.container { width: 100%; max-width: calc(1200px + 2 * var(--outer)); margin-inline: auto; padding-inline: var(--outer); }
.section { padding-block: 96px; }
.small { color: var(--gs-atlas-color-text-muted); font-size: 14px; line-height: 1.5; }
.meta,.eyebrow { font: 400 13px/1.5 var(--gs-atlas-font-meta); color: var(--gs-atlas-color-text-muted); }
.eyebrow { margin-bottom: 20px; letter-spacing: .04em; text-transform: uppercase; }
.muted { color: var(--gs-atlas-color-text-muted); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 48px; padding: 12px 20px; border: 1px solid var(--gs-atlas-color-action); border-radius: 5px; background: var(--gs-atlas-color-action); color: var(--gs-atlas-color-action-text); font: 500 16px/1.35 var(--gs-atlas-font-body); text-decoration: none; cursor: pointer; transition: background-color 150ms ease-out; }
.button:hover { background: var(--gs-atlas-color-action-hover); border-color: var(--gs-atlas-color-action-hover); }
.button:active { box-shadow: inset 0 0 0 1px currentColor; }
.button:disabled { cursor: wait; background: var(--gs-atlas-color-surface-muted); color: var(--gs-atlas-color-text-muted); border-color: var(--gs-atlas-color-border); }
.button.secondary { background: transparent; color: var(--gs-atlas-color-action); border-color: var(--gs-atlas-color-border-control); }
.button.secondary:hover { background: var(--gs-atlas-color-surface-highlight); }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 60; padding: 12px 20px; background: var(--gs-atlas-color-surface); color: var(--gs-atlas-color-text); }
.skip-link:focus { top: 12px; }
.site-header { background: var(--gs-atlas-color-canvas); }
.header-inner { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; min-height: 64px; align-items: center; flex-shrink: 0; padding-block: 10px; }
.brand img { display: block; width: 180px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 32px; }
.desktop-nav > a:not(.button), .site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--gs-atlas-color-text); font-size: 16px; text-decoration: none; }
.desktop-nav > a:not(.button):hover,.site-footer nav a:hover { text-decoration: underline; }
.menu-trigger { display: none; }
#mobile-menu { width: min(480px,calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 32px); padding: 24px; margin: 16px auto; border: 1px solid var(--gs-atlas-color-border-control); border-radius: 6px; color: var(--gs-atlas-color-text); background: var(--gs-atlas-color-canvas); }
#mobile-menu::backdrop { background: var(--gs-atlas-color-hero); opacity: .65; }
.menu-heading { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.menu-heading h2 { font-size: 28px; max-width: 100%; }
.menu-close { flex-shrink: 0; }
#mobile-menu nav { display: grid; grid-template-columns: minmax(0,1fr); gap: 8px; }
#mobile-menu nav > a { display: flex; align-items: center; min-height: 48px; padding: 12px; color: var(--gs-atlas-color-text); text-decoration: none; overflow-wrap: anywhere; }
#mobile-menu nav > .button { color: var(--gs-atlas-color-action-text); margin-top: 16px; }
body.menu-open { overflow: hidden; }
.dark { background: var(--gs-atlas-color-hero); color: var(--gs-atlas-color-text-inverse); --focus: var(--gs-atlas-color-focus-on-dark); }
.dark .muted,.dark .eyebrow,.dark p { color: var(--gs-atlas-color-text-inverse-muted); }
.dark .button { background: var(--gs-atlas-color-action-on-dark); color: var(--gs-atlas-color-action-on-dark-text); border-color: var(--gs-atlas-color-action-on-dark); }
.dark .button:hover { background: var(--gs-atlas-color-action-on-dark-hover); border-color: var(--gs-atlas-color-action-on-dark-hover); }
.hero-grid { padding-block: 72px; display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); gap: 64px; align-items: center; }
.development { display: inline-block; background: var(--gs-atlas-color-nav-hover); color: var(--gs-atlas-color-hero-highlight); padding: 4px 12px; font-size: 14px; border-radius: 3px; margin-bottom: 28px; }
.hero-copy h1 span { color: var(--gs-atlas-color-hero-highlight); }
.hero-lead { margin-top: 32px; margin-bottom: 32px; font-size: 21px; line-height: 1.55; }
.hero-note { font-size: 16px; margin-top: 12px; }
.evidence-record { border: 1px solid var(--gs-atlas-color-border); border-inline-start: 3px solid var(--gs-atlas-color-hero-highlight); padding: 32px; border-radius: 6px; background: var(--gs-atlas-color-surface); color: var(--gs-atlas-color-text); --focus: var(--gs-atlas-color-focus); }
.record-top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.badge { display: inline-block; border-radius: 3px; padding: 4px 8px; font: 400 13px/1.5 var(--gs-atlas-font-body); background: var(--gs-atlas-color-status-neutral-bg); color: var(--gs-atlas-color-status-neutral-text); }
.evidence-record h2 { font-size: 32px; line-height: 1.15; margin-bottom: 32px; }
.evidence-trail { list-style: none; padding-left: 32px; position: relative; }
.evidence-trail::before { content: ''; position: absolute; left: 8px; top: 12px; bottom: 0; width: 1px; background: var(--gs-atlas-color-trail); }
.evidence-trail li { position: relative; margin-bottom: 28px; }
.evidence-trail li::before { content: ''; position: absolute; left: -27px; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--gs-atlas-color-link); }
.evidence-trail h3 { font: 500 20px/1.4 var(--gs-atlas-font-body); letter-spacing: 0; }
.dark .evidence-record p { color: var(--gs-atlas-color-text-muted); }
.evidence-trail p { font-size: 16px; margin-top: 4px; }
.record-foot { border-top: 1px solid var(--gs-atlas-color-border); padding-top: 20px; }
.section-intro { max-width: 760px; margin-bottom: 48px; }
.section-intro > p:last-child:not(.eyebrow) { margin-top: 24px; color: var(--gs-atlas-color-text-muted); }
.method-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; }
.method-grid article { border-top: 1px solid var(--gs-atlas-color-border-control); padding-top: 24px; }
.step-number { color: var(--gs-atlas-color-link); }
.method-grid h3 { margin: 20px 0 16px; }
.method-grid p,.capability p { color: var(--gs-atlas-color-text-muted); }
.audience-grid,.founding-grid,.briefing-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 96px; }
.audience-grid h2 + p { margin-top: 24px; max-width: 46ch; }
.audience-list article { padding-block: 24px; border-top: 1px solid var(--gs-atlas-color-nav-rule); }
.audience-list h3 { margin-bottom: 12px; }
.example-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: center; }
.example-record { border: 1px solid var(--gs-atlas-color-border); border-radius: 6px; padding: 32px; background: var(--gs-atlas-color-surface); }
.example-record h3 { margin-block: 24px; }
.example-record dl > div { padding-block: 16px; border-top: 1px solid var(--gs-atlas-color-border); }
dt { font-weight: 600; }
dd { color: var(--gs-atlas-color-text-muted); font-size: 16px; margin-top: 4px; }
.evidence-context h3 { font-size: 40px; }
.evidence-context p:not(.eyebrow) { margin-top: 24px; color: var(--gs-atlas-color-text-muted); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; gap: 16px; margin-top: 24px; }
.capabilities-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px 32px; margin-top: 72px; }
.capability { border-top: 1px solid var(--gs-atlas-color-border); padding-top: 24px; }
.capability h3 { margin: 12px 0 16px; }
.capability p { font-size: 16px; }
.founding { background: var(--gs-atlas-color-surface-highlight); }
.founding h2 + p { margin-top: 24px; }
.founding blockquote { font-size: 20px; line-height: 1.65; }
.briefing-grid h2 + p { margin-top: 24px; }
.briefing-form { background: var(--gs-atlas-color-surface); border: 1px solid var(--gs-atlas-color-border); border-radius: 6px; padding: 32px; }
.required-note { margin-bottom: 24px; }
.form-field { margin-bottom: 24px; }
label { display: block; font: 500 16px/1.35 var(--gs-atlas-font-body); }
.optional { color: var(--gs-atlas-color-text-muted); font-weight: 400; }
input,textarea { display: block; width: 100%; min-height: 48px; margin-top: 8px; padding: 12px; background: var(--gs-atlas-color-surface); color: var(--gs-atlas-color-text); border: 1px solid var(--gs-atlas-color-border-control); border-radius: 5px; font: 400 16px/1.5 var(--gs-atlas-font-body); }
textarea { resize: vertical; }
input::placeholder,textarea::placeholder { color: var(--gs-atlas-color-text-muted); opacity: 1; }
input[aria-invalid="true"] { border-color: var(--gs-atlas-color-status-danger-text); }
.field-error { color: var(--gs-atlas-color-status-danger-text); font-size: 14px; margin-top: 8px; }
.form-error { padding: 16px; background: var(--gs-atlas-color-status-danger-bg); color: var(--gs-atlas-color-status-danger-text); border: 1px solid var(--gs-atlas-color-status-danger-text); border-radius: 5px; font-size: 16px; margin-top: 20px; }
.briefing-form .button { margin-block: 24px 16px; width: 100%; }
.form-success { background: var(--gs-atlas-color-status-success-bg); color: var(--gs-atlas-color-status-success-text); border: 1px solid var(--gs-atlas-color-status-success-text); border-radius: 6px; padding: 24px; }
.form-success h3 { margin-bottom: 20px; }
.form-success .meta { color: inherit; overflow-wrap: anywhere; }
.site-footer { padding-block: 40px; border-top: 1px solid var(--gs-atlas-color-border); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 24px; min-width: 0; max-width: 100%; }
.site-footer nav a { overflow-wrap: anywhere; }
/* Keep stacked tablet prose within the Atlas reading measure. */
.audience-list p,.evidence-context p:not(.eyebrow),.founding p:not(.eyebrow),.founding blockquote,.briefing-grid > div:first-child > p:not(.eyebrow) { max-width: var(--gs-atlas-layout-reading-max); }
.section-rule { border: 0; border-top: 1px solid var(--gs-atlas-color-border); margin: 0; }
/* Privacy shares the type system while retaining its policy text. */
.privacy-page #page-title { padding-block: 64px; }
.page-doc-ref,.page-effective,.section-label { font: 400 13px/1.5 var(--gs-atlas-font-meta); color: var(--gs-atlas-color-text-muted); }
.page-title-text { margin-block: 20px 24px; }
.page-effective { display: flex; flex-wrap: wrap; gap: 24px; }
.page-effective strong { color: var(--gs-atlas-color-text); }
.policy-content .container { max-width: calc(900px + 2 * var(--outer)); }
.policy-toc { padding: 24px; margin-bottom: 56px; background: var(--gs-atlas-color-surface); border: 1px solid var(--gs-atlas-color-border); border-radius: 6px; }
.policy-toc-label { display: block; margin-bottom: 16px; font-size: 14px; }
.policy-toc ol { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 24px; list-style: none; padding: 0; }
.policy-toc a { display: flex; align-items: center; gap: 8px; min-height: 44px; padding-block: 8px; font-size: 16px; }
.policy-section { margin-bottom: 56px; }
.policy-section:last-child { margin-bottom: 0; }
.policy-section-header { margin-bottom: 24px; }
.policy-section .section-heading { font-size: 30px; margin-top: 12px; }
.policy-section .section-num { display: none; }
.policy-body,.policy-rights { max-width: 70ch; }
.policy-body p { margin-bottom: 20px; }
.policy-dl { list-style: none; padding: 0; border: 1px solid var(--gs-atlas-color-border); margin-block: 24px; border-radius: 6px; overflow: hidden; }
.policy-dl li { display: grid; grid-template-columns: 180px minmax(0,1fr); border-bottom: 1px solid var(--gs-atlas-color-border); background: var(--gs-atlas-color-surface); }
.policy-dl li:last-child { border-bottom: 0; }
.dl-term,.dl-def { padding: 20px; }
.dl-term { font-weight: 600; }
.dl-def { color: var(--gs-atlas-color-text-muted); font-size: 16px; }
.policy-callout { background: var(--gs-atlas-color-surface-highlight); border-left: 3px solid var(--gs-atlas-color-link); padding: 24px; margin-block: 24px; }
.policy-rights { list-style: none; padding: 0; }
.policy-rights li { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--gs-atlas-color-border); }
.rights-badge { align-self: start; background: var(--gs-atlas-color-surface-highlight); border-radius: 3px; font: 400 13px/1.5 var(--gs-atlas-font-meta); padding: 4px 8px; }
.policy-body,.dl-def,.policy-rights { overflow-wrap: anywhere; }
.privacy-inline { border-top: 1px solid var(--gs-atlas-color-border); padding-block: 32px; }
.privacy-inline summary { cursor: pointer; min-height: 44px; padding-block: 8px; }
.privacy-inline .policy-inline-body { padding-top: 32px; max-width: 900px; }
@media (max-width:1279px) { :root { --outer:32px; } .hero-grid { gap:32px; } .desktop-nav { gap:24px; } .audience-grid,.founding-grid,.briefing-grid { gap:48px; } }
@media (max-width:959px) { .header-inner { min-height:72px; } .desktop-nav { display:none; } .menu-trigger { display:inline-flex; } .hero-grid { grid-template-columns:1fr; gap:48px; } .hero-copy { max-width:720px; } .evidence-record { max-width:600px; } .method-grid { gap:24px; } .audience-grid,.founding-grid,.briefing-grid,.example-grid { grid-template-columns:minmax(0,1fr); gap:40px; } .briefing-form { max-width:680px; } .capabilities-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .footer-top { align-items:flex-start; } .site-footer nav { flex-direction:column; gap:8px; } }
@media (max-width:639px) { :root { --outer:24px; } h1 { font-size:40px; line-height:1.1; } h2,.evidence-context h3 { font-size:30px; line-height:1.2; } h3 { font-size:28px; } .section { padding-block:56px; } .hero-grid { padding-block:56px; gap:40px; } .hero-lead { font-size:18px; margin-block:24px; } .development { margin-bottom:24px; } .hero-note { font-size:14px; } .hero-copy > .button { gap:16px; } .evidence-record,.example-record,.briefing-form { padding:24px; } .record-top { align-items:flex-start; gap:12px; } .evidence-record h2 { font-size:30px; } .evidence-trail { padding-left:24px; } .evidence-trail::before { left:0; } .evidence-trail li::before { left:-27px; } .method-grid,.capabilities-grid { grid-template-columns:1fr; gap:32px; } .section-intro { margin-bottom:32px; } .capabilities-grid { margin-top:48px; } .founding blockquote { font-size:18px; } .footer-top { flex-direction:column; } .site-footer { padding-block:32px; } .policy-toc ol { grid-template-columns:1fr; } .policy-dl li { grid-template-columns:1fr; } .dl-term { padding-bottom:0; } .policy-rights li { grid-template-columns:1fr; gap:12px; } .rights-badge { justify-self:start; } .page-effective { flex-direction:column; gap:12px; } .policy-section .section-heading { font-size:26px; } .desktop-break { display:none; } .menu-trigger { padding:10px 12px; gap:12px; } .brand img { width:160px; } .header-inner { gap:16px; } }
@media (max-width:359px) { :root { --outer:16px; } .brand img { width:144px; } .menu-trigger { gap:8px; } .evidence-record,.example-record,.briefing-form { padding:20px; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; } }
@media (forced-colors:active) { :where(a,button,input,textarea,summary,[tabindex]):focus-visible { outline:2px solid Highlight; } .button,input,textarea,.evidence-record,.example-record,.briefing-form,.badge,.form-success,.form-error { border:1px solid ButtonBorder; } .evidence-trail::before,.evidence-trail li::before { background:CanvasText; } }
/* External SVG colors need their own backing when the system canvas changes. */
@media (forced-colors:active) {
  .brand img { forced-color-adjust: none; background: var(--gs-atlas-color-canvas); }
}