:root{--bg-primary: #0a0a0a;--bg-secondary: #0f0f0f;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #ffffff;--glass-bg: rgba(255,255,255,.05);--glass-border: rgba(255,255,255,.1);--font: "Poppins", sans-serif;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--space-4xl: 96px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.7}.video-fondo{position:fixed;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:-2}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,#000000b3,#00000080);z-index:-1}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:var(--space-md) 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