:root.dark-mode{--color-bg:#0f0f0f;--color-surface:#1a1a2e;--color-text:#e0e0e0;--color-text-muted:#8a8a8a;--color-primary:#6c63ff;--color-primary-hover:#5a52d5;--color-accent:#ff6b6b;--color-accent-hover:#e55555;--color-border:#2a2a3e;--color-success:#4caf50;--color-warning:#ff9800;--color-error:#f44336;--color-input-bg:#16213e;--color-header-bg:hsla(0,0%,6%,.9)}:root.light-mode{--color-bg:#fff;--color-surface:#f8f9fa;--color-text:#1a1a2e;--color-text-muted:#6c757d;--color-primary:#5a52d5;--color-primary-hover:#4a42c5;--color-accent:#e55555;--color-accent-hover:#d54545;--color-border:#dee2e6;--color-success:#43a047;--color-warning:#f57c00;--color-error:#e53935;--color-input-bg:#fff;--color-header-bg:hsla(0,0%,100%,.9)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background-color:var(--color-bg);color:var(--color-text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .25s ease,color .25s ease}a{color:var(--color-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-accent)}img{display:block;height:auto;max-width:100%}ol,ul{list-style:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}h1,h2,h3,h4,h5,h6{color:var(--color-text);line-height:1.2}.container{margin-left:auto;margin-right:auto;max-width:1200px;padding-left:1rem;padding-right:1rem;width:100%}@media(min-width:768px){.container{padding-left:2rem;padding-right:2rem}}.section{padding:3rem 0}@media(min-width:768px){.section{padding:4rem 0}}.section-title{color:var(--color-text);font-size:1.5rem;font-weight:700;line-height:1.2;margin-bottom:2rem;text-align:center}@media(min-width:768px){.section-title{font-size:1.875rem}}.btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:500;gap:.5rem;justify-content:center;padding:.5rem 1.5rem;transition:background-color .15s ease,color .15s ease,transform .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{cursor:not-allowed;opacity:.6}.btn--primary{background-color:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn--secondary{background-color:transparent;border:1px solid var(--color-primary);color:var(--color-primary)}.btn--secondary:hover:not(:disabled){background-color:var(--color-primary);color:#fff}.btn--danger{background-color:var(--color-error);color:#fff}.btn--danger:hover:not(:disabled){opacity:.9}.btn--sm{font-size:.875rem;padding:.25rem 1rem}.btn--lg{font-size:1.125rem;padding:1rem 2rem}.btn--grow{flex-grow:1}.grid{display:grid;gap:1.5rem;grid-template-columns:1fr}@media(min-width:768px){.grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}.sr-only{height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;clip:rect(0,0,0,0);border-width:0;white-space:nowrap}