/* 2026 refresh: dark mode, refined spacing, faster rendering */
:root{--radius:18px;--shadow:0 1px 2px rgba(0,0,0,.04),0 12px 32px -12px rgba(20,40,40,.18)}
@media (prefers-color-scheme:dark){:root{--paper:#111819;--ink:#e7eeea;--muted:#9aa9a2;--line:#26332f;--mint:#2f6a55;--green:#8fd6b6;--white:#182223}
 body{background:var(--paper);color:var(--ink)}
 .site-header{background:color-mix(in srgb,var(--paper) 82%,transparent)!important}
 .button-dark{background:var(--ink)!important;color:var(--paper)!important}
 .button-mint{color:#fff!important}
 .download-panel{background:#0b1213!important}
 .demo-window,.feature-editorial,details,.platform-strip>div{background:var(--white)!important;border-color:var(--line)!important}
 .window-titlebar{background:#1f2a2b!important;color:var(--muted)!important;border-color:var(--line)!important}
 img[src*="mark.svg"]{filter:invert(1) hue-rotate(180deg)}}
body{text-rendering:optimizeLegibility}
.site-header{backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px)}
.button,.nav-download{border-radius:999px;transition:transform .15s ease,box-shadow .15s ease}
.button:hover,.nav-download:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.feature-editorial,details,.download-panel{border-radius:var(--radius)}
.feature-editorial{box-shadow:var(--shadow)}
section{content-visibility:auto;contain-intrinsic-size:auto 800px}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (max-width:640px){.hero-title{font-size:clamp(2.3rem,11vw,3.2rem)!important}.section-space{padding-block:56px!important}}

.selfbuild-card{margin-top:28px}
.download-secondary+.download-secondary{margin-top:6px}