:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--bg-primary: #000000;--bg-secondary: #0a0a0a;--bg-tertiary: rgba(255, 255, 255, .03);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--accent-red: #ff3b30;--accent-red-glow: rgba(255, 59, 48, .4);--accent-border: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .08);--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--transition-fast: .15s ease;--transition-medium: .3s cubic-bezier(.25, 1, .5, 1);--transition-slow: .5s cubic-bezier(.25, 1, .5, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.02em;margin-bottom:.5em;line-height:1.2}h1{font-size:clamp(2.5rem,5vw,4rem);background:linear-gradient(180deg,#fff,#ffffffb3);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2.25rem)}p{font-size:1.125rem;color:var(--text-secondary);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:8rem 0;position:relative}.glass-panel{background:var(--bg-tertiary);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-lg)}.glass-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#000c;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);padding:1rem 0;transition:var(--transition-medium)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-weight:600;border-radius:var(--radius-sm);transition:var(--transition-medium);cursor:pointer;border:none;text-decoration:none;font-size:1rem}.btn-primary{background-color:var(--text-primary);color:var(--bg-primary)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #fff3}.btn-ghost{background-color:transparent;color:var(--text-secondary);border:1px solid var(--glass-border)}.btn-ghost:hover{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--accent-border)}.btn-lang{width:40px;height:40px;border-radius:50%;padding:0;background-color:transparent;color:var(--text-secondary);border:1px solid var(--glass-border);font-size:.875rem;transition:var(--transition-fast)}.btn-lang.active{background-color:var(--accent-red);color:#fff;border-color:var(--accent-red);box-shadow:0 0 15px var(--accent-red-glow)}.btn-lang:hover:not(.active){background-color:var(--bg-tertiary);color:var(--text-primary)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:fadeInUp .8s cubic-bezier(.25,1,.5,1) forwards}.delay-100{animation-delay:.1s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}.glow-red{position:absolute;width:300px;height:300px;background:var(--accent-red);filter:blur(150px);border-radius:50%;opacity:.15;z-index:-1;pointer-events:none}