:root{--red-primary: #C8102E;--red-dark: #8B0000;--red-glow: rgba(200, 16, 46, .5);--gold: #FFD700;--gold-dark: #B8860B;--black: #0A0A0A;--charcoal: #1A1A1A;--steel: #2A2A2A;--iron: #3A3A3A;--silver: #C0C0C0;--white: #FAFAFA;--blue-neon: #00E5FF;--purple-neon: #B026FF;--green-tech: #00FF88;--font-display: "Anton", "Montserrat", sans-serif;--font-title: "Oswald", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--section-padding: clamp(80px, 12vw, 160px);--container-max: 1400px;--shadow-red: 0 0 40px var(--red-glow);--shadow-gold: 0 0 30px rgba(255, 215, 0, .3);--transition: all .4s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-body);background:var(--black);color:var(--white);overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.bg-grid{position:fixed;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--steel) 1px,transparent 1px),linear-gradient(90deg,var(--steel) 1px,transparent 1px);background-size:100px 100px;opacity:.15;z-index:-2;animation:grid-scroll 20s linear infinite}@keyframes grid-scroll{0%{transform:translateY(0)}to{transform:translateY(100px)}}.noise-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");pointer-events:none;z-index:-1;opacity:.3}.nav{position:fixed;top:0;left:0;width:100%;padding:30px 5%;display:flex;justify-content:space-between;align-items:center;z-index:1000;background:linear-gradient(180deg,rgba(10,10,10,.95) 0%,transparent 100%);backdrop-filter:blur(10px);border-bottom:1px solid rgba(200,16,46,.1)}.nav-logo{display:flex;flex-direction:column;gap:0;line-height:.9;text-decoration:none}.logo-vn{font-family:var(--font-display);font-size:clamp(20px,3vw,28px);font-weight:700;color:var(--red-primary);letter-spacing:2px;text-shadow:var(--shadow-red)}.logo-en{font-family:var(--font-mono);font-size:clamp(10px,1.5vw,12px);color:var(--gold);letter-spacing:4px;font-weight:700}.nav-links{display:flex;gap:40px;align-items:center}.nav-links a{font-family:var(--font-mono);font-size:13px;text-decoration:none;color:var(--silver);text-transform:uppercase;letter-spacing:1px;transition:var(--transition);position:relative}.nav-links a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--red-primary);transition:var(--transition)}.nav-links a:hover{color:var(--red-primary)}.nav-links a:hover:after{width:100%}.nav-cta{background:var(--red-primary);color:var(--white)!important;padding:12px 24px;border-radius:2px;box-shadow:var(--shadow-red)}.nav-cta:after{display:none}.nav-cta:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 10px 30px var(--red-glow)}.nav-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:none;cursor:pointer;padding:10px;z-index:1001}.nav-toggle span{width:25px;height:2px;background:var(--white);transition:var(--transition)}.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(7px,7px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.hero{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:140px 5% 80px;position:relative;align-items:center}.hero-content{z-index:10}.hero-label{display:flex;align-items:center;gap:15px;margin-bottom:30px;font-family:var(--font-mono);font-size:11px;letter-spacing:3px;color:var(--gold);animation:slideInLeft .8s cubic-bezier(.4,0,.2,1)}.label-line{width:60px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}@keyframes slideInLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}.hero-title{display:flex;flex-direction:column;gap:10px;margin-bottom:50px}.title-main{font-family:var(--font-display);font-size:clamp(60px,10vw,120px);font-weight:700;line-height:.9;color:var(--white);letter-spacing:-2px;position:relative;display:inline-block;animation:glitchTitle 3s infinite}.title-main:before{content:attr(data-text);position:absolute;left:2px;top:0;color:var(--red-primary);overflow:hidden;clip-path:polygon(0 0,100% 0,100% 45%,0 45%);animation:glitch-1 2s infinite}.title-main:after{content:attr(data-text);position:absolute;left:-2px;top:0;color:var(--blue-neon);overflow:hidden;clip-path:polygon(0 55%,100% 55%,100% 100%,0 100%);animation:glitch-2 2.5s infinite}@keyframes glitch-1{0%,90%,to{clip-path:polygon(0 0,100% 0,100% 45%,0 45%)}95%{clip-path:polygon(0 60%,100% 60%,100% 100%,0 100%)}}@keyframes glitch-2{0%,90%,to{clip-path:polygon(0 55%,100% 55%,100% 100%,0 100%)}95%{clip-path:polygon(0 0,100% 0,100% 40%,0 40%)}}.title-sub{font-family:var(--font-title);font-size:clamp(24px,4vw,40px);color:var(--silver);letter-spacing:8px;animation:slideInLeft .8s .2s both}.title-eng{font-family:var(--font-mono);font-size:clamp(14px,2vw,18px);color:var(--gold);letter-spacing:6px;border-left:3px solid var(--gold);padding-left:20px;animation:slideInLeft .8s .4s both}.hero-stats{display:flex;gap:30px;align-items:center;margin-bottom:50px;animation:fadeInUp .8s .6s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.stat{display:flex;flex-direction:column;gap:5px}.stat-number{font-family:var(--font-display);font-size:clamp(18px,2.5vw,28px);color:var(--red-primary);font-weight:700;letter-spacing:1px}.stat-label{font-family:var(--font-mono);font-size:10px;color:var(--silver);letter-spacing:2px;opacity:.7}.stat-divider{width:1px;height:40px;background:linear-gradient(180deg,transparent,var(--steel),transparent)}.hero-cta{display:flex;gap:20px;align-items:center;animation:fadeInUp .8s .8s both}.btn-primary{position:relative;display:inline-flex;align-items:center;gap:15px;padding:18px 40px;font-family:var(--font-mono);font-size:14px;font-weight:700;text-decoration:none;color:var(--white);letter-spacing:2px;overflow:hidden;border:2px solid var(--red-primary);background:transparent;cursor:pointer;transition:var(--transition)}.btn-primary.large{padding:22px 50px;font-size:16px}.btn-bg{position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,var(--red-primary),transparent);transition:var(--transition);z-index:-1}.btn-primary:hover .btn-bg{left:100%}.btn-primary:hover{background:var(--red-primary);box-shadow:var(--shadow-red);transform:translateY(-3px)}.btn-arrow{font-size:20px;transition:var(--transition)}.btn-primary:hover .btn-arrow{transform:translate(5px)}.btn-secondary{font-family:var(--font-mono);font-size:13px;text-decoration:none;color:var(--silver);letter-spacing:1px;position:relative;padding-bottom:5px;transition:var(--transition)}.btn-secondary:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:var(--transition)}.btn-secondary:hover{color:var(--gold)}.btn-secondary:hover:after{transform:scaleX(1)}.hero-visual{position:relative;height:600px;display:flex;align-items:center;justify-content:end}.pc-showcase{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:end}.pc-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:400px;height:400px;background:radial-gradient(circle,var(--red-glow) 0%,transparent 70%);filter:blur(60px);animation:pulse 3s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5;transform:translate(-50%,-50%) scale(1)}50%{opacity:.8;transform:translate(-50%,-50%) scale(1.1)}}.pc-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:350px;height:500px;border:2px solid var(--red-primary);background:linear-gradient(135deg,#c8102e0d,#0a0a0ae6);backdrop-filter:blur(10px);box-shadow:0 0 40px var(--red-glow),inset 0 0 40px #c8102e1a;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-20px)}}.pc-internals{position:relative;width:100%;height:100%;padding:30px;display:flex;flex-direction:column;gap:20px}.component{position:relative;padding:20px;background:#2a2a2acc;border-left:3px solid var(--red-primary);backdrop-filter:blur(5px);opacity:0;transform:translate(-50px);animation:slideInComponent .8s var(--delay) both}@keyframes slideInComponent{to{opacity:1;transform:translate(0)}}.component-label{font-family:var(--font-mono);font-size:12px;color:var(--gold);letter-spacing:2px}.component:before{content:"";position:absolute;top:0;left:0;width:0;height:100%;background:linear-gradient(90deg,transparent,var(--red-glow),transparent);transition:var(--transition)}.component:hover:before{width:100%}.hero-badge{position:absolute;top:00px;right:00px;animation:rotate 20s linear infinite}@keyframes rotate{to{transform:rotate(360deg)}}.badge-circle svg{width:150px;height:150px}.badge-circle text{font-family:var(--font-mono);font-size:7px;letter-spacing:3px;fill:var(--gold)}.scroll-indicator{position:absolute;bottom:50px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:15px;animation:fadeInUp 1s 1s both}.scroll-text{font-family:var(--font-mono);font-size:10px;letter-spacing:3px;color:var(--silver);opacity:.7}.scroll-line{width:1px;height:60px;background:linear-gradient(180deg,var(--red-primary),transparent);animation:scrollAnimation 2s ease-in-out infinite}@keyframes scrollAnimation{0%,to{opacity:0;transform:translateY(-20px)}50%{opacity:1;transform:translateY(0)}}.philosophy{min-height:100vh;padding:var(--section-padding) 5%;position:relative}.section-number{position:absolute;top:var(--section-padding);left:5%;font-family:var(--font-display);font-size:clamp(100px,20vw,200px);font-weight:700;color:transparent;-webkit-text-stroke:1px var(--steel);opacity:.3;z-index:0}.section-title{display:flex;flex-direction:column;gap:10px;margin-bottom:80px;position:relative;z-index:10}.title-vn{font-family:var(--font-display);font-size:clamp(40px,8vw,80px);font-weight:700;color:var(--white);letter-spacing:-1px}.title-en{font-family:var(--font-mono);font-size:clamp(14px,2vw,18px);color:var(--gold);letter-spacing:4px;opacity:.8}.philosophy-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.philosophy-text{display:flex;flex-direction:column;gap:30px}.lead-text{font-family:var(--font-body);font-size:clamp(20px,3vw,28px);font-weight:600;line-height:1.4;color:var(--white)}.philosophy-text p{font-size:clamp(16px,2vw,18px);line-height:1.8;color:var(--silver)}.philosophy-features{display:flex;flex-direction:column;gap:30px}.feature-card{padding:40px;background:linear-gradient(135deg,#2a2a2a80,#1a1a1acc);border:1px solid var(--steel);border-left:4px solid var(--red-primary);transition:var(--transition);opacity:0;transform:translate(50px)}.feature-card.visible{animation:slideInRight .8s calc(var(--index) * .2s) both}@keyframes slideInRight{to{opacity:1;transform:translate(0)}}.feature-card:hover{background:linear-gradient(135deg,#2a2a2acc,#1a1a1a);border-left-width:8px;transform:translate(10px);box-shadow:-10px 10px 40px #c8102e33}.feature-icon{margin-bottom:20px;display:flex;align-items:center;justify-content:flex-start}.feature-icon svg{transition:var(--transition);filter:drop-shadow(0 0 10px rgba(200,16,46,.3))}.feature-card:hover .feature-icon svg{transform:scale(1.15) rotate(5deg);filter:drop-shadow(0 0 20px rgba(255,215,0,.6))}.feature-card h3{font-family:var(--font-title);font-size:24px;color:var(--white);letter-spacing:2px;margin-bottom:15px}.feature-card p{font-size:16px;line-height:1.6;color:var(--silver)}.arsenal{min-height:100vh;padding:var(--section-padding) 5%;position:relative}.arsenal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px;margin-top:60px}.arsenal-card{position:relative;padding:40px;background:linear-gradient(135deg,#1a1a1ae6,#0a0a0af2);border:2px solid var(--steel);overflow:hidden;transition:var(--transition)}.arsenal-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,var(--red-glow) 0%,transparent 50%);opacity:0;transition:var(--transition)}.arsenal-card:hover:before{opacity:.1}.arsenal-card:hover{border-color:var(--red-primary);box-shadow:0 20px 60px #c8102e4d}.card-badge{position:absolute;top:20px;right:20px;padding:8px 16px;background:var(--red-primary);font-family:var(--font-mono);font-size:10px;letter-spacing:2px;color:var(--white);font-weight:700;z-index:10}.card-badge.champion{background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:var(--black);box-shadow:var(--shadow-gold)}.card-visual{position:relative;height:250px;margin-bottom:30px;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-image{width:100%;height:100%;object-fit:contain;transition:var(--transition);filter:drop-shadow(0 0 20px rgba(200,16,46,.3));z-index:2;position:relative}.arsenal-card:hover .product-image{transform:scale(1.05);filter:drop-shadow(0 0 30px rgba(200,16,46,.5))}.visual-box{width:200px;height:200px;background:linear-gradient(135deg,var(--steel),var(--charcoal));border:2px solid var(--red-primary);transition:var(--transition);transform-style:preserve-3d}.visual-glow{position:absolute;width:250px;height:250px;background:radial-gradient(circle,var(--red-glow),transparent);filter:blur(40px);animation:pulse 2s ease-in-out infinite;z-index:1}.card-content{position:relative;z-index:5}.card-title{font-family:var(--font-display);font-size:36px;font-weight:700;color:var(--white);letter-spacing:2px;margin-bottom:10px}.card-subtitle{font-family:var(--font-body);font-size:16px;color:var(--silver);margin-bottom:30px}.card-specs{display:flex;flex-direction:column;gap:15px;margin-bottom:30px;padding:20px 0;border-top:1px solid var(--steel);border-bottom:1px solid var(--steel)}.spec-item{display:flex;justify-content:space-between;align-items:center}.spec-label{font-family:var(--font-mono);font-size:12px;color:var(--silver);letter-spacing:2px;opacity:.7}.spec-value{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--gold);letter-spacing:1px}.card-price{margin-bottom:30px}.price-amount{font-family:var(--font-display);font-size:32px;font-weight:700;color:var(--red-primary);letter-spacing:1px}.card-btn{width:100%;padding:18px;background:transparent;border:2px solid var(--red-primary);font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--white);letter-spacing:2px;cursor:pointer;transition:var(--transition);display:flex;justify-content:space-between;align-items:center;text-decoration:none}.card-btn:hover{background:var(--red-primary);box-shadow:var(--shadow-red)}.cta{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:var(--section-padding) 5%;background:linear-gradient(135deg,#c8102e1a,#0a0a0ae6);position:relative}.cta:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(200,16,46,.03) 10px,rgba(200,16,46,.03) 20px)}.cta-content{text-align:center;max-width:800px;position:relative;z-index:10}.cta-title{display:flex;flex-direction:column;gap:10px;margin-bottom:30px}.cta-vn{font-family:var(--font-display);font-size:clamp(40px,8vw,80px);font-weight:700;color:var(--white);letter-spacing:-1px}.cta-en{font-family:var(--font-display);font-size:clamp(60px,12vw,120px);font-weight:700;color:var(--red-primary);letter-spacing:-2px;text-shadow:var(--shadow-red)}.cta-text{font-size:clamp(16px,2vw,20px);color:var(--silver);margin-bottom:50px;line-height:1.6}.cta-buttons{margin-bottom:60px}.cta-info{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.info-item{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:14px;color:var(--silver)}.info-icon{font-size:20px}.footer{padding:80px 5% 30px;border-top:1px solid var(--steel);background:var(--charcoal)}.footer-content{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;margin-bottom:60px}.footer-brand{display:flex;flex-direction:column;gap:20px}.footer-logo{display:flex;flex-direction:column;gap:0;line-height:.9;text-decoration:none}.footer-brand p{font-family:var(--font-mono);font-size:12px;color:var(--silver);letter-spacing:2px;opacity:.7}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.footer-column h4{font-family:var(--font-title);font-size:18px;color:var(--white);letter-spacing:2px;margin-bottom:20px}.footer-column a{display:block;font-size:14px;color:var(--silver);text-decoration:none;margin-bottom:12px;transition:var(--transition)}.footer-column a:hover{color:var(--red-primary);padding-left:5px}.footer-bottom{padding-top:30px;border-top:1px solid var(--steel);text-align:center}.footer-bottom p{font-family:var(--font-mono);font-size:12px;color:var(--silver);opacity:.5;letter-spacing:1px}@media(max-width:1024px){.hero{grid-template-columns:1fr;gap:80px}.hero-visual{height:400px}.philosophy-grid{grid-template-columns:1fr;gap:50px}.arsenal-grid{grid-template-columns:1fr}}@media(max-width:768px){.nav-links{gap:20px}.nav-links a{font-size:11px}.section-number{font-size:80px}.hero-stats{flex-wrap:wrap}.testimonial-card{min-width:300px}.footer-content{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr;gap:30px}.cta-info{flex-direction:column;gap:20px}}@media(max-width:768px){.nav-toggle{display:flex}.nav-links{position:fixed;top:90px;right:-100%;width:100%;max-width:300px;height:calc(100vh - 90px);background:#0a0a0afa;backdrop-filter:blur(20px);flex-direction:column;padding:40px 30px;gap:30px;border-left:2px solid var(--red-primary);transition:var(--transition);z-index:999}.nav-links.active{right:0}.nav-links a{font-size:18px;padding:15px 0;border-bottom:1px solid var(--steel)}.nav-cta{width:100%;text-align:center}body.nav-open{overflow:hidden}}@media(max-width:480px){.nav{padding:20px 5%}.hero{padding-top:100px}.hero-cta{flex-direction:column;width:100%}.btn-primary{width:100%;justify-content:center}}.pc-image{width:80%;height:auto;animation:topAndDownInfinite 6s ease-in-out infinite}@keyframes topAndDownInfinite{0%,to{transform:translateY(0)}50%{transform:translateY(-30px)}}