:root{
--color-primary-900:#103E70;--color-primary-800:#164B7E;--color-primary-700:#1E5A92;--color-primary-600:#2B6AA4;--color-primary-500:#3D7DB9;
--color-info-900:#136D98;--color-info-800:#1785B8;--color-info-700:#1FA6D8;--color-info-600:#36B7E6;--color-info-500:#5BC9F0;--color-info-100:#E7F7FD;
--color-success-900:#045F31;--color-success-800:#087F45;--color-success-700:#1E984C;--color-success-600:#39AE45;--color-success-500:#54C35D;--color-success-100:#EAF8EE;
--color-warning-900:#A45D00;--color-warning-800:#D98200;--color-warning-700:#F5A018;--color-warning-600:#F7AE38;--color-warning-500:#F9C365;--color-warning-100:#FFF4E5;
--color-danger-800:#B3261E;--color-danger-100:#FDE7E5;
--color-gray-900:#17212B;--color-gray-800:#2A3644;--color-gray-700:#44515E;--color-gray-600:#576574;--color-gray-500:#6B7783;--color-gray-400:#9AA5B1;--color-gray-300:#CBD5DF;--color-gray-200:#E2E8F0;--color-gray-100:#F5F9FC;--color-white:#FFFFFF;
--text-primary:var(--color-gray-900);--text-secondary:var(--color-gray-700);--text-muted:var(--color-gray-500);--text-inverse:var(--color-white);--text-link:var(--color-info-900);--text-brand:var(--color-primary-900);
--bg-primary:var(--color-white);--bg-secondary:var(--color-gray-100);--bg-brand:var(--color-primary-900);--bg-success:var(--color-success-100);--bg-info:var(--color-info-100);--bg-warning:var(--color-warning-100);--bg-danger:var(--color-danger-100);
--border-default:var(--color-gray-300);--border-strong:var(--color-gray-500);--border-brand:var(--color-primary-700);
/* Button fills: secondary uses Success 800 (white text passes AA; Success 600 does not) */
--btn-primary-bg:var(--color-primary-900);--btn-secondary-bg:var(--color-success-800);--btn-accent-bg:var(--color-warning-700);
--font-heading:"Manrope",system-ui,sans-serif;--font-body:"Inter",system-ui,sans-serif;--font-mono:"SF Mono",ui-monospace,monospace;
--font-size-xs:12px;--font-size-sm:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:20px;--font-size-2xl:24px;--font-size-3xl:32px;--font-size-4xl:48px;--font-size-5xl:64px;
--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;
--line-height-tight:1.2;--line-height-normal:1.5;--line-height-relaxed:1.7;
--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--space-24:96px;--space-30:120px;--space-40:160px;
--container-max:1600px;--content-width:1200px;--reading-width:760px;--gutter:var(--space-4);
--breakpoint-xs:480px;--breakpoint-sm:768px;--breakpoint-md:1024px;--breakpoint-lg:1280px;--breakpoint-xl:1440px;--breakpoint-2xl:1920px;
--radius-xs:4px;--radius-sm:8px;--radius-md:10px;--radius-lg:12px;--radius-xl:20px;--radius-pill:999px;
--border-width-thin:1px;--border-width-medium:2px;--border-width-thick:3px;
--shadow-sm:0 2px 8px rgba(0,0,0,.05);--shadow-md:0 8px 24px rgba(0,0,0,.08);--shadow-lg:0 20px 40px rgba(0,0,0,.10);--shadow-hero:0 24px 64px rgba(0,0,0,.15);
--opacity-disabled:.40;--opacity-muted:.60;--opacity-medium:.85;--opacity-full:1;
--duration-fast:150ms;--duration-normal:250ms;--duration-slow:350ms;--ease-standard:cubic-bezier(.4,0,.2,1);--ease-emphasized:cubic-bezier(.2,0,0,1);
--z-base:1;--z-header:100;--z-dropdown:200;--z-sticky:300;--z-overlay:400;--z-modal:500;--z-toast:600;--z-tooltip:700;
--btn-sm:36px;--btn-md:48px;--btn-lg:60px;--input-height:56px;--header-height:96px;--footer-padding:120px;--hero-height:900px;
--focus-ring:0 0 0 3px var(--color-info-700);--focus-offset:2px;--touch-min:48px;--touch-preferred:56px;
--section-space:var(--space-16);
}
@media (min-width:768px){:root{--section-space:var(--space-20);--gutter:var(--space-6)}}
@media (min-width:1024px){:root{--section-space:var(--space-30);--gutter:var(--space-8)}}