/* A composed nocturnal theme: canvas, raised surfaces, inset work areas and action roles. */
:root[data-theme=dark]{color-scheme:dark;--ink:#f0ede6;--muted:#b6bdc7;--accent:#006fd6;--accent-hover:#005fb9;--accent-text:#91c4ff;--paper:#101318;--surface:#191e25;--surface-raised:#232a33;--surface-inset:#13181e;--tint:#1d242d;--line:#394451;--control-line:#67768a;--focus:#9dccff;--ambient:#15181d;--capture:#151a21;--success:#7edbb2;--success-bg:#162b23;--error:#ff9eae;--warning:#edc58d;--shadow:0 16px 44px #00000024}
:root[data-theme=dark] body{background:var(--paper)}
:root[data-theme=dark] .ambient-band,:root[data-theme=dark] .home-final-cta{background-image:url('/assets/images/graphite-sculpted.jpg');background-color:var(--ambient);background-blend-mode:normal}
:root[data-theme=dark] .home-main-hero h1{font-weight:600;color:var(--ink);letter-spacing:-.03em}
:root[data-theme=dark] .home-main-hero>p{color:#bac2cc;line-height:1.65}
:root[data-theme=dark] .demo-note{color:#a7b1bf}
:root[data-theme=dark] .home-modules>a{background:var(--surface);border-color:transparent;box-shadow:inset 0 1px 0 #f0ede614,0 8px 24px #00000016;transition:background-color .2s cubic-bezier(.22,1,.36,1),box-shadow .2s cubic-bezier(.22,1,.36,1)}
:root[data-theme=dark] .home-modules>a:hover{background:var(--surface-raised);box-shadow:inset 0 1px 0 #f0ede630,0 10px 28px #00000020}
:root[data-theme=dark] .home-modules .card-link{color:#bdc7d5;text-decoration-color:#647389}
:root[data-theme=dark] .home-modules>a:hover .card-link,:root[data-theme=dark] .home-modules>a:focus-visible .card-link{color:var(--accent-text);text-decoration-color:currentColor}
:root[data-theme=dark] .button.primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px #006fd620}
:root[data-theme=dark] .button.primary:hover{background:var(--accent-hover)}
:root[data-theme=dark] .button.outline{background:var(--surface-inset);color:var(--ink);border-color:var(--control-line)}
:root[data-theme=dark] .button.outline:hover{background:var(--surface-raised)}
:root[data-theme=dark] .site-header{background:#0b0e12;border-color:#303944;--ink:#f0ede6;--muted:#b6bdc7;--surface:#232a33;--tint:#2d3541;--line:#4a5665;--accent-text:#91c4ff;--focus:#9dccff}
:root[data-theme=dark] .site-header .brand,:root[data-theme=dark] .site-header .brand svg{color:#f0ede6}
:root[data-theme=dark] .site-header nav{color:#d3dae3}
:root[data-theme=dark] .site-header #theme-toggle,:root[data-theme=dark] .site-header .language{color:#b6bdc7}
:root[data-theme=dark] .site-header .login{border-color:#718198;color:#e1e7ef;background:transparent}
:root[data-theme=dark] .site-header .login:hover,:root[data-theme=dark] .site-header .menu-toggle,:root[data-theme=dark] .site-header #theme-toggle:hover,:root[data-theme=dark] .site-header .language:hover{background:#202731;color:#f0ede6}
:root[data-theme=dark] .site-header .menu-toggle{border-color:#718198}
:root[data-theme=dark] .site-header .feature-menu{background:#232a33;border-color:#536174;box-shadow:0 16px 44px #00000040}
:root[data-theme=dark] .site-header .menu-links span{color:#b6bdc7}
:root[data-theme=dark] .site-header .header-demo{background:#006fd6;color:#fff}
:root[data-theme=dark] .site-header .header-demo:hover{background:#005fb9}
:root[data-theme=dark] .media-placeholder{background:var(--surface);border-color:#3e4a59;box-shadow:0 12px 36px #00000016}
:root[data-theme=dark] .media-placeholder small{color:#a7b1bf}
:root[data-theme=dark] .product-visual::before,:root[data-theme=dark] .home-showcases::before,:root[data-theme=dark] .feature-showcase::before,:root[data-theme=dark] .hero:has(.product-proof)::before{background-image:url('/assets/images/graphite-sculpted.jpg');opacity:.45;mix-blend-mode:normal}
:root[data-theme=dark] .hero:has(.product-proof),:root[data-theme=dark] .product-visual,:root[data-theme=dark] .home-showcases,:root[data-theme=dark] .feature-showcase{background:var(--capture)}
:root[data-theme=dark] .product-proof img,:root[data-theme=dark] .product-media img{background:var(--surface)}
:root[data-theme=dark] .feature-benefits li,:root[data-theme=dark] .control-overview li,:root[data-theme=dark] .service-diagram article,:root[data-theme=dark] .service-diagram>strong{background:var(--surface);border-color:#394451}
:root[data-theme=dark] .tool-band,:root[data-theme=dark] .featured-resource,:root[data-theme=dark] .contact-panel{background:var(--surface)}
:root[data-theme=dark] .upload{background:var(--surface-inset);border-color:var(--control-line)}
:root[data-theme=dark] .upload:hover{background:#1a222c}
:root[data-theme=dark] input::file-selector-button{background:var(--surface-raised);color:var(--ink);border-color:var(--control-line)}
:root[data-theme=dark] .result-head{background:var(--surface-raised)}
:root[data-theme=dark] .issue-group{background:var(--surface-inset);border-color:#455166}
:root[data-theme=dark] .result-metrics b{color:var(--ink)}
:root[data-theme=dark] .site-footer{background:var(--paper);border-color:var(--line)}
:root[data-theme=dark] ::selection{background:#244970;color:#f0ede6}
@media(prefers-reduced-motion:reduce){:root[data-theme=dark] .home-modules>a{transition:none}}
/* Reading sections remain on one continuous canvas; frames carry the elevation. */
:root[data-theme=dark] .home-showcases,:root[data-theme=dark] .feature-showcase,:root[data-theme=dark] .hero:has(.product-proof){background:transparent}
:root[data-theme=dark] .product-visual::before,:root[data-theme=dark] .home-showcases::before,:root[data-theme=dark] .feature-showcase::before,:root[data-theme=dark] .hero:has(.product-proof)::before{opacity:.22}
:root[data-theme=dark] .site-footer{background:#0b0e12;color:#f0ede6;border-color:#303944;--ink:#f0ede6;--muted:#b6bdc7;--line:#303944;--focus:#9dccff}
:root[data-theme=dark] .site-footer .brand,:root[data-theme=dark] .site-footer .brand svg,:root[data-theme=dark] .site-footer .footer-column h3{color:#f0ede6}
:root[data-theme=dark] .site-footer .footer-column a,:root[data-theme=dark] .site-footer .footer-content p,:root[data-theme=dark] .site-footer .footer-base{color:#b6bdc7}