:root,[data-theme=light]{--color-bg:#ffffff;--color-bg-alt:#f5f5f7;--color-text-main:#1d1d1f;--color-text-body:#5f636a;--color-border:#d2d2d7;--surface-card:#ffffff;--surface-glass:rgba(255,255,255,0.8);--shadow-sm:0 2px 8px rgba(0,0,0,0.04);--shadow-md:0 12px 24px rgba(0,0,0,0.06);--shadow-lg:0 24px 48px rgba(0,0,0,0.12);--shadow-device:0 20px 40px -10px rgba(0,0,0,0.3),0 0 0 1px rgba(0,0,0,0.05),inset 0 0 0 1px rgba(255,255,255,0.1);--shadow-device-drop:0 8px 16px rgba(0,0,0,0.18);--shadow-device-elevated:0 20px 40px rgba(0,0,0,0.22);--hero-gradient:radial-gradient(circle at 50% 0%,#ebf4ff 0%,#ffffff 60%);--hero-title-gradient:linear-gradient(135deg,#1d1d1f,#434344);--card-border:rgba(0,0,0,0.02);--card-border-hover:rgba(0,0,0,0.05);--header-glass:rgba(255,255,255,0.85);--header-border:rgba(0,0,0,0.05);--footer-border:rgba(0,0,0,0.05);--icon-border:rgba(0,0,0,0.1)}[data-theme=dark]{--color-bg:#0a0a0a;--color-bg-alt:#161616;--color-text-main:#ffffff;--color-text-body:#c8c8cf;--color-border:#333333;--surface-card:#1c1c1e;--surface-glass:rgba(22,22,22,0.8);--shadow-sm:0 2px 8px rgba(0,0,0,0.4);--shadow-md:0 12px 24px rgba(0,0,0,0.5);--shadow-lg:0 24px 48px rgba(0,0,0,0.6);--shadow-device:0 20px 40px -10px rgba(0,0,0,0.8),0 0 0 1px rgba(255,255,255,0.05),inset 0 0 0 1px rgba(255,255,255,0.05);--shadow-device-drop:0 8px 16px rgba(0,0,0,0.5);--shadow-device-elevated:0 30px 60px -12px rgba(0,0,0,0.35);--hero-gradient:radial-gradient(circle at 50% 0%,#161616 0%,#0a0a0a 100%);--hero-title-gradient:linear-gradient(135deg,#ffffff,#a1a1a6);--card-border:rgba(128,128,128,0.1);--card-border-hover:rgba(128,128,128,0.2);--header-glass:rgba(10,10,10,0.85);--header-border:rgba(255,255,255,0.05);--footer-border:rgba(255,255,255,0.05);--icon-border:rgba(255,255,255,0.1)}:root{--font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;--section-padding:120px;--container-max:1080px;--border-radius-lg:24px;--border-radius-md:16px;--border-radius-sm:8px;--border-radius-device:44px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:17px;line-height:1.5;color:var(--color-text-main);background-color:var(--color-bg);overflow-x:hidden}::view-transition-group(*){animation-duration:.48s;animation-timing-function:cubic-bezier(.2,.85,.2,1)}::view-transition-new(root),::view-transition-old(root){animation-duration:.26s;animation-timing-function:ease}img,video{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit;transition:opacity .2s ease}.container{max-width:var(--container-max);margin:0 auto;padding:0 24px;width:100%}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){:root{--section-padding:80px}}