:root{--primary-bg:#012515;--primary-light:#053b23;--accent-gold:#c5a059;--accent-gold-hover:#b48e47;--text-light:#fff;--text-dark:#0f172a;--text-gray:#94a3b8;--glass-bg:#ffffff08;--glass-border:#ffffff14;--glass-bg-hover:#ffffff0f;--gold-glow:0 0 15px #c5a0594d;--transition-smooth:all .4s cubic-bezier(.16, 1, .3, 1);--font-sans:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;scroll-behavior:smooth;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--primary-bg);color:var(--text-light);line-height:1.6;overflow-x:hidden}a{color:inherit;transition:var(--transition-smooth);text-decoration:none}button,input,select,textarea{outline:none;font-family:inherit}.text-gold{color:var(--accent-gold)}.font-bold{font-weight:700}.text-gradient{background:linear-gradient(135deg, #fff 30%, var(--accent-gold) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section-padding{padding:100px 0}.text-center{text-align:center}.section-title{text-transform:uppercase;letter-spacing:-.02em;margin-bottom:16px;font-size:2.5rem;font-weight:800}.section-subtitle{color:var(--text-gray);max-width:650px;margin:0 auto 60px;font-size:1.125rem}.header{z-index:1000;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);width:100%;transition:var(--transition-smooth);background:#012515cc;position:fixed;top:0;left:0}.header-container{justify-content:space-between;align-items:center;height:80px;display:flex}.logo-wrapper{align-items:center;gap:12px;display:flex}.logo-img{border:1px solid var(--accent-gold);object-fit:cover;border-radius:50%;width:48px;height:48px}.logo-text{letter-spacing:.05em;text-transform:uppercase;font-size:1.25rem;font-weight:800}.nav-links{gap:24px;display:flex}.nav-link{color:var(--text-gray);font-size:.95rem;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--accent-gold);text-shadow:var(--gold-glow)}.header-cta{background:linear-gradient(135deg, var(--accent-gold) 0%, #a27c38 100%);color:var(--primary-bg);cursor:pointer;box-shadow:var(--gold-glow);transition:var(--transition-smooth);border:none;border-radius:9999px;padding:10px 20px;font-size:.9rem;font-weight:700}.header-cta:hover{transform:translateY(-2px);box-shadow:0 0 20px #c5a05980}.glass-card{background:var(--glass-bg);border:1px solid var(--glass-border);transition:var(--transition-smooth);border-radius:16px;padding:32px}.glass-card:hover{background:var(--glass-bg-hover);border-color:var(--accent-gold);transform:translateY(-4px);box-shadow:0 10px 30px #01251566}.hero-section{background:radial-gradient(circle at 80% 20%, var(--primary-light) 0%, var(--primary-bg) 60%);align-items:center;min-height:100vh;padding-top:120px;display:flex;position:relative;overflow:hidden}.hero-grid{grid-template-cols:1.2fr .8fr;align-items:center;gap:48px;display:grid}.hero-badge{color:var(--accent-gold);background:#c5a0591a;border:1px solid #c5a0594d;border-radius:9999px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 16px;font-size:.85rem;font-weight:600;display:inline-flex}.hero-title{margin-bottom:24px;font-size:3.5rem;font-weight:800;line-height:1.15}.hero-desc{color:var(--text-gray);max-width:600px;margin-bottom:40px;font-size:1.15rem}.hero-ctas{gap:20px;display:flex}.btn-primary{background:linear-gradient(135deg, var(--accent-gold) 0%, #a27c38 100%);color:var(--primary-bg);cursor:pointer;box-shadow:var(--gold-glow);transition:var(--transition-smooth);border:none;border-radius:8px;align-items:center;gap:10px;padding:16px 32px;font-size:1.05rem;font-weight:800;display:flex}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 25px #c5a05999}.btn-secondary{border:1px solid var(--glass-border);color:var(--text-light);cursor:pointer;transition:var(--transition-smooth);background:0 0;border-radius:8px;padding:16px 32px;font-size:1.05rem;font-weight:600}.btn-secondary:hover{background:var(--glass-bg-hover);border-color:var(--accent-gold)}.hero-image-wrapper{width:100%;position:relative}.hero-image-frame{border:2px solid var(--accent-gold);border-radius:24px;position:relative;overflow:hidden;box-shadow:0 20px 50px #00000080}.hero-img{object-fit:cover;aspect-ratio:4/5;width:100%;transition:transform 8s;display:block}.hero-image-frame:hover .hero-img{transform:scale(1.05)}.hero-floating-badge{border:1px solid var(--accent-gold);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#012515f2;border-radius:16px;align-items:center;gap:16px;padding:16px 24px;display:flex;position:absolute;bottom:24px;left:-24px;box-shadow:0 10px 30px #00000080}.hero-floating-number{color:var(--accent-gold);font-size:2.25rem;font-weight:800}.hero-floating-text{color:var(--text-light);font-size:.85rem;font-weight:600;line-height:1.3}.grid-3{grid-template-cols:repeat(3, 1fr);gap:24px;display:grid}.grid-2{grid-template-cols:repeat(2, 1fr);gap:32px;display:grid}.pain-card{text-align:center}.pain-icon{width:60px;height:60px;color:var(--accent-gold);background:#c5a0591a;border:1px solid #c5a05933;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;display:flex}.pain-title{margin-bottom:12px;font-size:1.35rem;font-weight:700}.pain-desc{color:var(--text-gray);font-size:.95rem}.tech-tabs{margin-bottom:48px}.tech-grid{grid-template-cols:1fr 1fr;align-items:center;gap:48px;display:grid}.tech-img-frame{border:1px solid var(--glass-border);border-radius:20px;overflow:hidden;box-shadow:0 15px 40px #0006}.tech-img{object-fit:cover;aspect-ratio:16/10;width:100%;height:100%;display:block}.tech-content{flex-direction:column;gap:20px;display:flex}.tech-item{transition:var(--transition-smooth);border-radius:12px;align-items:flex-start;gap:16px;padding:16px;display:flex}.tech-item:hover{background:#ffffff05}.tech-item.active{background:#c5a0590d;border:1px solid #c5a05933}.tech-item-icon{width:44px;height:44px;color:var(--accent-gold);background:#c5a0591a;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.tech-item-title{margin-bottom:4px;font-size:1.15rem;font-weight:700}.tech-item-desc{color:var(--text-gray);font-size:.9rem}.tab-header{border:1px solid var(--glass-border);background:#ffffff05;border-radius:9999px;margin-bottom:48px;padding:6px;display:inline-flex}.tab-btn{color:var(--text-gray);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:9999px;padding:12px 32px;font-size:1rem;font-weight:600}.tab-btn.active{background:var(--accent-gold);color:var(--primary-bg);box-shadow:var(--gold-glow)}.model-features{grid-template-cols:repeat(2, 1fr);gap:20px;margin-top:24px;display:grid}.feature-tag{align-items:center;gap:10px;font-size:.95rem;display:flex}.calc-card{border:1px solid var(--glass-border);background:linear-gradient(135deg,#ffffff05 0%,#c5a05908 100%);border-radius:20px;padding:40px}.calc-grid{grid-template-cols:1.1fr .9fr;gap:48px;display:grid}.calc-sliders{flex-direction:column;gap:36px;display:flex}.slider-group{flex-direction:column;gap:12px;display:flex}.slider-label-row{justify-content:space-between;align-items:center;display:flex}.slider-name{font-size:1.05rem;font-weight:600}.slider-val{color:var(--accent-gold);font-size:1.25rem;font-weight:700}.range-slider{-webkit-appearance:none;background:#ffffff1a;border-radius:3px;outline:none;width:100%;height:6px}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-gold);cursor:pointer;width:20px;height:20px;box-shadow:var(--gold-glow);transition:var(--transition-smooth);border-radius:50%}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.calc-results{border:1px dashed var(--accent-gold);background:#01251599;border-radius:16px;flex-direction:column;justify-content:center;gap:24px;padding:32px;display:flex}.result-row{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding-bottom:16px;display:flex}.result-row:last-child{border-bottom:none;padding-bottom:0}.result-label{color:var(--text-gray);font-size:1rem}.result-value{color:var(--accent-gold);font-size:1.6rem;font-weight:800}.result-value.highlight{background:linear-gradient(135deg, #fff 40%, var(--accent-gold) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2.25rem}.timeline-row{grid-template-cols:repeat(4, 1fr);gap:24px;margin-bottom:32px;display:grid;position:relative}.timeline-step{background:var(--glass-bg);border:1px solid var(--glass-border);z-index:2;border-radius:16px;padding:24px;position:relative}.step-num{color:#c5a05926;font-size:2.5rem;font-weight:800;line-height:1;position:absolute;top:12px;right:16px}.step-title{margin-top:16px;margin-bottom:8px;font-size:1.15rem;font-weight:700}.step-desc{color:var(--text-gray);font-size:.85rem}.form-section{background:radial-gradient(circle at 10% 80%, var(--primary-light) 0%, var(--primary-bg) 60%);position:relative}.form-grid{grid-template-cols:1fr 1.1fr;align-items:center;gap:60px;display:grid}.form-details{flex-direction:column;gap:32px;display:flex}.info-item{gap:16px;display:flex}.info-icon{width:48px;height:48px;color:var(--accent-gold);background:#c5a0591a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.info-text-title{font-size:1.1rem;font-weight:700}.info-text-desc{color:var(--text-gray);font-size:.95rem}.glass-form-card{border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff05;border-radius:24px;padding:48px;box-shadow:0 30px 60px #00000080}.form-title{margin-bottom:8px;font-size:1.85rem;font-weight:800}.form-subtitle{color:var(--text-gray);margin-bottom:32px;font-size:.95rem}.form-inputs{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-label{text-transform:uppercase;letter-spacing:.05em;color:var(--accent-gold);font-size:.85rem;font-weight:600}.form-input,.form-select,.form-textarea{border:1px solid var(--glass-border);color:var(--text-light);transition:var(--transition-smooth);background:#ffffff0a;border-radius:8px;padding:14px 18px;font-size:.95rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-gold);background:#ffffff0f;box-shadow:0 0 10px #c5a05933}.form-select option{background-color:var(--primary-bg);color:var(--text-light)}.form-textarea{resize:none;height:100px}.submit-btn{background:linear-gradient(135deg, var(--accent-gold) 0%, #a27c38 100%);color:var(--primary-bg);cursor:pointer;box-shadow:var(--gold-glow);transition:var(--transition-smooth);border:none;border-radius:8px;justify-content:center;align-items:center;gap:10px;margin-top:12px;padding:16px;font-size:1.05rem;font-weight:800;display:flex}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 0 25px #c5a05999}.submit-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.footer{border-top:1px solid var(--glass-border);background:#011d10;padding:60px 0 30px}.footer-grid{grid-template-cols:1.5fr 1fr 1fr;gap:48px;margin-bottom:48px;display:grid}.footer-desc{color:var(--text-gray);max-width:320px;margin-top:16px;font-size:.9rem}.footer-title{text-transform:uppercase;letter-spacing:.05em;color:var(--accent-gold);margin-bottom:20px;font-size:1.1rem;font-weight:700}.footer-links{flex-direction:column;gap:12px;display:flex}.footer-link{color:var(--text-gray);font-size:.9rem}.footer-link:hover{color:var(--accent-gold);transform:translate(4px)}.footer-bottom{text-align:center;color:var(--text-gray);border-top:1px solid #ffffff0d;padding-top:30px;font-size:.85rem}.menu-toggle{color:var(--text-light);cursor:pointer;background:0 0;border:none;font-size:1.5rem;display:none}@media (width<=1024px){.hero-title{font-size:2.75rem}.grid-3{grid-template-cols:repeat(2, 1fr)}.calc-grid{grid-template-cols:1fr;gap:32px}.timeline-row{grid-template-cols:repeat(2, 1fr)}}@media (width<=768px){.section-padding{padding:60px 0}.header-container{height:70px}.nav-links,.header-cta{display:none}.menu-toggle{display:block}.hero-grid{grid-template-cols:1fr;gap:40px}.hero-image-wrapper{order:-1}.hero-floating-badge{left:20px}.grid-3,.grid-2,.form-grid,.footer-grid{grid-template-cols:1fr}.tech-grid{grid-template-cols:1fr;gap:30px}.timeline-row{grid-template-cols:1fr}.glass-form-card{padding:24px}.mobile-menu-drawer{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid var(--glass-border);z-index:999;width:280px;height:100vh;transition:var(--transition-smooth);background:#011d10fa;flex-direction:column;gap:20px;padding:80px 24px 24px;display:flex;position:fixed;top:0;right:-100%}.mobile-menu-drawer.open{right:0}.mobile-menu-link{color:var(--text-light);border-bottom:1px solid #ffffff0d;padding:10px 0;font-size:1.15rem;font-weight:600}.mobile-menu-link:hover,.mobile-menu-link.active{color:var(--accent-gold)}.mobile-menu-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:998;opacity:0;pointer-events:none;width:100vw;height:100vh;transition:var(--transition-smooth);background:#00000080;position:fixed;top:0;left:0}.mobile-menu-overlay.open{opacity:1;pointer-events:auto}}.floating-contact-widget{z-index:999;flex-direction:column;gap:16px;display:flex;position:fixed;bottom:30px;left:30px}.floating-btn{color:#fff;width:56px;height:56px;transition:var(--transition-smooth);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative;box-shadow:0 4px 15px #0006}.floating-btn:hover{transform:scale(1.1)}.btn-call{background:#10b981}.btn-zalo{background:#0068ff}.pulse-ring{pointer-events:none;border-radius:50%;width:100%;height:100%;animation:2s infinite pulse-animation;position:absolute;top:0;left:0}.btn-call .pulse-ring{box-shadow:0 0 #10b98199}.btn-zalo .pulse-ring{box-shadow:0 0 #0068ff99}@keyframes pulse-animation{0%{opacity:1;transform:scale(.95);box-shadow:0 0 #ffffffb3}70%{opacity:.5;transform:scale(1.3);box-shadow:0 0 0 15px #fff0}to{opacity:0;transform:scale(1.5);box-shadow:0 0 #fff0}}.scroll-to-top-btn{border:1px solid var(--accent-gold);width:50px;height:50px;color:var(--primary-bg);cursor:pointer;z-index:999;transition:var(--transition-smooth);background:#c5a059e6;border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;bottom:30px;right:30px;box-shadow:0 4px 15px #0000004d}.scroll-to-top-btn:hover{background:var(--accent-gold);box-shadow:var(--gold-glow);transform:translateY(-4px)}@media (width<=768px){.floating-contact-widget{bottom:20px;left:20px}.scroll-to-top-btn{width:44px;height:44px;bottom:20px;right:20px}.floating-btn{width:48px;height:48px}}