:root{--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--line-height: 1.6;--font-weight-normal: 400;--font-weight-bold: 700;--color-bg: #0a0a0a;--color-surface: #1a1a1a;--color-text: #ffffff;--color-text-secondary: #a1a1aa;--color-primary: #646cff;--color-primary-hover: #7c83fd;--color-accent: #9f5afd;--gradient-primary: linear-gradient(135deg, #646cff 0%, #9f5afd 100%);--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--border-radius: 12px;--transition-fast: .2s ease;--fs-h1: clamp(2.5rem, 8vw, 4.5rem);--fs-h2: clamp(2rem, 6vw, 3.5rem);--fs-h3: clamp(1.5rem, 4vw, 2.5rem);--fs-body: clamp(1rem, 2vw, 1.125rem)}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);line-height:var(--line-height);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{margin:0;line-height:1.2}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}ul{list-style:none;padding:0;margin:0}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media (min-width: 768px){.container{padding:0 var(--spacing-lg)}}.section-padding{padding:60px 0}@media (min-width: 768px){.section-padding{padding:100px 0}}.responsive-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg)}@media (min-width: 768px){.responsive-grid-2{grid-template-columns:1fr 1fr}.responsive-grid-3{grid-template-columns:repeat(3,1fr)}}.btn{display:inline-block;padding:.8rem 2rem;background:var(--gradient-primary);color:#fff;border-radius:50px;font-weight:var(--font-weight-bold);cursor:pointer;border:none;font-size:1rem;transition:all var(--transition-fast);text-align:center}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px #646cff4d;filter:brightness(1.1)}.btn-secondary{background:transparent;border:1px solid var(--color-primary)}.btn-secondary:hover{background:#646cff1a}