:root{--font-heading:"Satoshi","DM Sans",sans-serif;--font-body:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--color-bg:#f7f7f6;--color-bg-alt:#efefec;--color-bg-soft:#fbfbf9;--color-surface:#fff;--color-text:#1d2228;--color-text-muted:#5d6775;--color-accent:#0b73ff;--color-accent-hover:#0057cc;--color-accent-soft:#e8f1ff;--color-border:#d7dde6;--color-border-strong:#bac4d1;--color-card-bg:var(--color-surface);--color-success:#0f8f5a;--color-warning:#b86a00;--control-icon-filter:none;--shadow-soft:0 18px 45px -28px #0d1e3657;--shadow-sm:0 10px 24px -20px #0d1e3666;--radius:12px;--max-width:1200px;--header-height:72px}html[data-theme=dark]{--color-bg:#0f1319;--color-bg-alt:#151b22;--color-bg-soft:#1b2530;--color-surface:#101820;--color-text:#f7fbff;--color-text-muted:#a5b2c1;--color-accent:#4fa2ff;--color-accent-hover:#8fc3ff;--color-accent-soft:#122a46;--color-border:#263342;--color-border-strong:#3b4b5d;--color-card-bg:#131d27;--color-success:#4fcf97;--color-warning:#ffb86f;--control-icon-filter:invert(1)brightness(1.15);--shadow-soft:0 18px 45px -30px #000000bf;--shadow-sm:0 12px 28px -22px #000000b3}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.6}a{color:inherit;text-decoration:none}input,select,textarea{color-scheme:normal}input[type=date]::-webkit-calendar-picker-indicator{filter:var(--control-icon-filter)}input[type=time]::-webkit-calendar-picker-indicator{filter:var(--control-icon-filter)}input[type=file]::file-selector-button{border:1px solid var(--color-border);background:var(--color-bg-soft);color:var(--color-text);border-radius:8px;margin-right:10px;padding:6px 10px}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.btn{border-radius:var(--radius);letter-spacing:.01em;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;padding:12px 20px;font-size:15px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(130deg,var(--color-accent)0%,var(--color-accent-hover)90%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-bg-soft);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{border-color:var(--color-border-strong);background-color:var(--color-accent-soft)}h1,h2,h3,h4{font-weight:700;line-height:1.2;font-family:var(--font-heading);letter-spacing:-.02em}h1{font-size:clamp(36px,5vw,56px)}h2{font-size:clamp(28px,4vw,40px)}h3{font-size:20px}p{color:var(--color-text-muted);font-size:17px}.section{padding:80px 0}.section-alt{background:linear-gradient(180deg,var(--color-bg)0%,var(--color-bg-alt)100%)}.theme-toggle{border:1px solid var(--color-border);background:var(--color-bg-soft);width:44px;height:44px;color:var(--color-text);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;transition:transform .2s,border-color .2s,background .2s;display:inline-flex}.theme-toggle:hover{border-color:var(--color-border-strong);background:var(--color-accent-soft);transform:translateY(-1px)}.theme-toggle:focus-visible,.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}