:root { /* populace.dev consumes the PolicyEngine design system: @policyengine/ui-kit tokens.css is loaded via CDN in the page (light theme — PE default, no .dark class). The site's original local var names are aliased onto the PE semantic tokens here, so the existing component CSS keeps working. */ --ink: var(--background); /* page background */ --ink-2: var(--muted); /* raised surface (cards) */ --paper: var(--foreground); /* primary text */ --paper-dim: var(--muted-foreground); --paper-faint: var(--text-tertiary); --amber: var(--primary); /* accent → PolicyEngine teal */ --amber-soft: var(--chart-1); /* brighter teal for emphasis/hover */ --line: var(--border); --line-soft: var(--border-light); /* PE ships its font families in the Tailwind @theme layer (not :root), which a no-build static page can't read; the families below mirror ui-kit tokens.css and resolve to --font-sans/--font-mono if a build ever exposes them. */ --display: var(--font-sans, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif); --body: var(--font-sans, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif); --mono: var(--font-mono, "JetBrains Mono", "Fira Code", Consolas, monospace); --max: 1140px; } * { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { background: var(--ink); color: var(--paper); font-family: var(--body); font-size: 19px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; position: relative; } /* deep radial wash + base atmosphere */ body::before { content: ""; position: fixed; inset: 0; z-index: -3; background: radial-gradient(120% 80% at 50% -10%, color-mix(in srgb, var(--primary) 7%, transparent), transparent 55%), radial-gradient(90% 60% at 80% 110%, color-mix(in srgb, var(--primary) 4%, transparent), transparent 60%), var(--ink); } #field { position: fixed; inset: 0; z-index: -2; width: 100%; height: 100%; opacity: 0.5; } .grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.04; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); } /* ---------- nav ---------- */ .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 22px clamp(20px, 5vw, 56px); backdrop-filter: blur(7px); background: linear-gradient(var(--ink), transparent); border-bottom: 1px solid var(--line-soft); } .brand { font-family: var(--mono); font-size: 16px; letter-spacing: 0.02em; color: var(--paper); text-decoration: none; display: inline-flex; align-items: center; gap: 9px; } .brand-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 8px 1px color-mix(in srgb, var(--primary) 55%, transparent); animation: pulse 3.4s ease-in-out infinite; } @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } } .nav-links { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 30px); font-family: var(--mono); font-size: 13px; letter-spacing: 0.01em; } .nav-links a { color: var(--paper-dim); text-decoration: none; transition: color 0.25s; } .nav-links a:hover { color: var(--amber-soft); } .nav-gh { color: var(--paper) !important; display: inline-flex; align-items: center; } .nav-gh svg { width: 18px; height: 18px; display: block; } .nav-links a:not(.nav-gh) { display: none; } @media (min-width: 760px) { .nav-links a:not(.nav-gh) { display: inline; } } /* ---------- hero ---------- */ .hero { min-height: 100svh; display: flex; align-items: center; padding: 0 clamp(20px, 5vw, 56px); } .hero-inner { max-width: 880px; margin: 0 auto; width: 100%; } .eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber); margin-bottom: 26px; } h1 { font-family: var(--display); font-weight: 400; font-size: clamp(2.5rem, 6.6vw, 5rem); line-height: 1.02; letter-spacing: -0.015em; font-optical-sizing: auto; margin-bottom: 30px; } h1 em { font-style: italic; color: var(--amber-soft); font-weight: 500; } .lede { font-size: clamp(1.05rem, 2.2vw, 1.4rem); line-height: 1.55; color: var(--paper); max-width: 38ch; margin-bottom: 38px; } .lede strong { color: var(--amber-soft); font-weight: 600; } .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 54px; } .btn { font-family: var(--mono); font-size: 14px; letter-spacing: 0.01em; text-decoration: none; padding: 13px 24px; border-radius: 2px; transition: transform 0.2s, background 0.2s, color 0.2s, border-color 0.2s; display: inline-block; } .btn-primary { background: var(--amber); color: var(--ink); font-weight: 500; } .btn-primary:hover { transform: translateY(-2px); background: var(--amber-soft); } .btn-ghost { color: var(--paper); border: 1px solid var(--line); } .btn-ghost:hover { border-color: var(--amber); color: var(--amber-soft); } .hero-foot { color: var(--paper-faint); font-size: 14px; } .mono { font-family: var(--mono); } /* ---------- bands ---------- */ .band { max-width: var(--max); margin: 0 auto; padding: clamp(80px, 13vw, 170px) clamp(20px, 5vw, 56px); position: relative; } .band + .band { border-top: 1px solid var(--line-soft); } .band-head { margin-bottom: 54px; } .kicker { display: block; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); margin-bottom: 20px; } h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.9rem, 4.6vw, 3.2rem); line-height: 1.08; letter-spacing: -0.012em; max-width: 18ch; } .prose { max-width: 62ch; } .prose p { margin-bottom: 22px; color: var(--paper); } .prose p:last-child { margin-bottom: 0; } .prose em { font-style: italic; color: var(--amber-soft); } .prose strong { font-weight: 600; color: var(--paper); border-bottom: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); } /* ---------- cards ---------- */ .cards { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; } @media (min-width: 820px) { .cards { grid-template-columns: repeat(3, 1fr); } } .card { border: 1px solid var(--line); background: var(--card); padding: 26px 24px 30px; border-radius: 3px; transition: border-color 0.3s, transform 0.3s; } .card:hover { border-color: var(--primary); transform: translateY(-3px); } .card header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; } .card-id { font-size: 13px; color: var(--amber); letter-spacing: 0.04em; } .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; padding: 3px 9px; border-radius: 100px; } .tag-live { background: color-mix(in srgb, var(--primary) 12%, transparent); color: var(--text-success); } .tag-wip { background: var(--ink-2); color: var(--paper-dim); } .card h3 { font-family: var(--display); font-weight: 500; font-size: 1.4rem; margin-bottom: 12px; } .card p { font-size: 16px; line-height: 1.55; color: var(--paper-dim); } .card em { color: var(--amber-soft); font-style: italic; } .stack-note { text-align: center; color: var(--paper-faint); font-size: 13px; margin-top: 8px; } /* ---------- metrics ---------- */ .metrics { display: grid; grid-template-columns: 1fr; gap: 0; margin: 48px 0 28px; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; } @media (min-width: 720px) { .metrics { grid-template-columns: repeat(3, 1fr); } } .metric { padding: 30px 28px; border-bottom: 1px solid var(--line-soft); } @media (min-width: 720px) { .metric { border-bottom: none; border-right: 1px solid var(--line-soft); } .metric:last-child { border-right: none; } } .metric-label { display: block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 14px; } .metric-val { font-family: var(--display); font-size: 3rem; font-weight: 500; color: var(--amber-soft); line-height: 1; display: flex; align-items: baseline; gap: 12px; } .metric-vs { font-family: var(--mono); font-size: 0.85rem; color: var(--paper-faint); font-weight: 400; } .metric-note { display: block; font-family: var(--mono); font-size: 12px; color: var(--paper-faint); margin-top: 12px; } .caveat { font-size: 15px; line-height: 1.55; color: var(--paper-dim); max-width: 64ch; border-left: 2px solid var(--primary); padding-left: 18px; } .caveat .mono { display: block; color: var(--paper-faint); font-size: 12.5px; margin-bottom: 6px; } .caveat a, .research-link a { color: var(--amber-soft); text-decoration-color: color-mix(in srgb, var(--primary) 35%, transparent); text-underline-offset: 0.18em; } .research-link { font-size: 13px; margin-top: 18px; } /* ---------- releases ---------- */ .release-rows { display: grid; gap: 14px; max-width: 76ch; margin-top: 40px; } .release-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; font-family: var(--mono); font-size: 14px; padding: 16px 20px; border: 1px solid var(--line-soft); border-radius: 3px; background: var(--background-secondary); } .release-row[hidden] { display: none; } .release-id { color: var(--paper); word-break: break-all; } .release-meta { color: var(--paper-faint); font-size: 12.5px; width: 100%; } .tag-cert { background: color-mix(in srgb, var(--primary) 12%, transparent); color: var(--primary); } /* ---------- commons ---------- */ .commons-rails { list-style: none; margin-top: 40px; display: grid; gap: 14px; max-width: 60ch; } .commons-rails li { font-family: var(--mono); font-size: 14.5px; color: var(--paper-dim); padding: 16px 20px; border: 1px solid var(--line-soft); border-radius: 3px; background: var(--background-secondary); } .rail-n { color: var(--amber); margin-right: 12px; } /* ---------- cta band ---------- */ .band-cta { text-align: center; } .band-cta h2 { max-width: 22ch; margin: 0 auto 34px; } .band-cta .hero-cta { justify-content: center; } /* ---------- footer ---------- */ .foot { max-width: var(--max); margin: 0 auto; padding: 48px clamp(20px, 5vw, 56px) 64px; border-top: 1px solid var(--line-soft); } .foot-row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-bottom: 14px; } .foot-meta { font-size: 13px; color: var(--paper-faint); } .foot-fine { font-size: 13px; color: var(--paper-faint); } .foot-pe { display: inline-flex; align-items: center; } .foot-pe img { height: 20px; width: auto; display: block; opacity: 0.82; transition: opacity 0.2s; } .foot-pe:hover img { opacity: 1; } /* ---------- reveal ---------- */ .reveal { opacity: 0; transform: translateY(18px); animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) forwards; animation-delay: calc(var(--d) * 130ms + 150ms); } @keyframes rise { to { opacity: 1; transform: none; } } .band-head, .prose, .cards, .metrics, .caveat, .commons-rails, .stack-note, .band-cta h2, .band-cta .hero-cta { opacity: 0; transform: translateY(22px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); } .in-view { opacity: 1 !important; transform: none !important; } @media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } .reveal, .band-head, .prose, .cards, .metrics, .caveat, .commons-rails, .stack-note, .band-cta h2, .band-cta .hero-cta { opacity: 1; transform: none; } } .footer { max-width: var(--max); margin: 0 auto; padding: 44px clamp(20px, 5vw, 56px) 60px; border-top: 1px solid var(--line-soft); } .footer-inner { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; color: var(--paper-faint); font-size: 13px; } .footer a { color: var(--paper-dim); text-decoration: none; } .footer a:hover { color: var(--amber-soft); }