:root{--color-bg:#fafaf9;--color-bg-elevated:#fff;--color-bg-dark:#0a0a0a;--color-bg-soft:#f5f5f4;--color-fg:#0f172a;--color-fg-muted:#475569;--color-fg-subtle:#94a3b8;--color-fg-on-dark:#fafaf9;--color-fg-on-dark-muted:#cbd5e1;--color-accent:#f97316;--color-accent-strong:#ea580c;--color-accent-soft:#fff7ed;--color-primary:#1e1b4b;--color-primary-strong:#312e81;--color-border:#e2e8f0;--color-border-soft:#f1f5f9;--color-success:#16a34a;--color-danger:#dc2626;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px rgba(15,23,42,.05);--shadow-md:0 8px 24px rgba(15,23,42,.08);--shadow-lg:0 24px 48px rgba(15,23,42,.12);--container:1180px;--duration-fast:150ms;--duration:220ms;color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg,video{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{cursor:pointer;background:none;border:0}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;color:var(--color-fg);font-weight:700}h1{font-size:clamp(2.25rem,4.5vw,3.6rem)}h2{font-size:clamp(1.75rem,3.2vw,2.4rem)}h3{font-size:1.35rem}h4{font-size:1.15rem}p{color:var(--color-fg-muted)}.tf-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 1.25rem}.tf-section{padding:clamp(3rem,7vw,5.5rem) 0}.tf-section--dark{background:var(--color-bg-dark)}.tf-section--dark,.tf-section--dark h1,.tf-section--dark h2,.tf-section--dark h3{color:var(--color-fg-on-dark)}.tf-section--dark p{color:var(--color-fg-on-dark-muted)}.tf-section--soft{background:var(--color-bg-soft)}.tf-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.825rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-accent);background:var(--color-accent-soft);border-radius:999px;padding:.4rem .85rem}.tf-section--dark .tf-eyebrow{background:rgba(249,115,22,.12);color:#fdba74}.tf-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.85rem 1.4rem;font-weight:600;font-size:.95rem;border-radius:var(--radius-md);transition:transform var(--duration-fast) ease,background var(--duration) ease,box-shadow var(--duration) ease;white-space:nowrap}.tf-btn:active{transform:translateY(1px)}.tf-btn--primary{background:var(--color-accent);color:#fff;box-shadow:var(--shadow-sm)}.tf-btn--primary:hover{background:var(--color-accent-strong);box-shadow:var(--shadow-md)}.tf-btn--ghost{background:transparent;color:var(--color-fg);border:1px solid var(--color-border)}.tf-btn--ghost:hover{background:var(--color-bg-soft)}.tf-section--dark .tf-btn--ghost{border-color:hsla(0,0%,100%,.18);color:var(--color-fg-on-dark)}.tf-section--dark .tf-btn--ghost:hover{background:hsla(0,0%,100%,.06)}.tf-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-sm);transition:box-shadow var(--duration) ease,transform var(--duration) ease}.tf-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.tf-stack{display:flex;flex-direction:column}.tf-row{display:flex;align-items:center}.tf-grid{display:grid}.tf-text-center{text-align:center}.tf-mt-2{margin-top:1rem}.tf-mt-3{margin-top:1.5rem}.tf-mt-4{margin-top:2rem}@media (max-width:720px){.tf-hide-mobile{display:none!important}}.tf-prose{font-size:1.05rem;line-height:1.75;color:var(--color-fg)}.tf-prose p{color:var(--color-fg);margin-bottom:1rem}.tf-prose h2{margin:2rem 0 1rem}.tf-prose h3{margin:1.6rem 0 .6rem}.tf-prose ol,.tf-prose ul{margin:0 0 1rem 1.4rem;color:var(--color-fg)}.tf-prose li{margin-bottom:.4rem}.tf-prose blockquote{border-left:4px solid var(--color-accent);padding:.6rem 1rem;background:var(--color-accent-soft);margin:1.4rem 0;border-radius:0 var(--radius-md) var(--radius-md) 0;font-style:italic;color:var(--color-fg)}@media (prefers-reduced-motion:reduce){*,:after,:before{transition:none!important;animation:none!important;scroll-behavior:auto!important}}