:root{--color-primary: #0071e3;--color-primary-hover: #0056b3;--color-text-primary: #1d1d1f;--color-text-secondary: #424245;--color-text-tertiary: #6e6e73;--color-text-quaternary: #a1a1a6;--color-background: #ffffff;--color-background-secondary: #fafafa;--color-background-tertiary: #f5f7fa;--color-border: #f0f0f0;--color-border-hover: #e0e0e0;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--space-3xl: 6rem;--font-family-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 50px;--shadow-sm: 0 4px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .8s cubic-bezier(.4, 0, .2, 1);--container-max-width: 1200px;--container-padding: var(--space-lg)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family-primary);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-background);font-size:16px;font-weight:var(--font-weight-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--container-padding)}.header{padding:var(--space-lg) 0 var(--space-md);display:flex;justify-content:flex-start;align-items:center}.brand{font-family:var(--font-family-primary);font-size:1.75rem;font-weight:var(--font-weight-bold);letter-spacing:-.02em;cursor:pointer;transition:all var(--transition-normal)}.brand:hover{transform:translateY(-1px)}.brand-name{color:var(--color-text-primary)}.brand-accent{color:var(--color-primary);background:linear-gradient(135deg,var(--color-primary),#0056b3);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-left:.1em}.headline{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:var(--font-weight-bold);letter-spacing:-.02em;line-height:1.1;color:var(--color-text-primary);margin-bottom:var(--space-md);text-align:center}.tagline{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);text-align:center;margin-bottom:var(--space-sm);max-width:700px;margin-left:auto;margin-right:auto}.vision{font-size:clamp(.95rem,2vw,1.1rem);font-weight:var(--font-weight-normal);color:var(--color-text-tertiary);text-align:center;max-width:600px;margin:0 auto}.section-title{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);text-align:center;margin-bottom:var(--space-xl);letter-spacing:-.01em}.hero{padding:var(--space-3xl) 0 var(--space-2xl);text-align:center}.demo-section{padding:var(--space-2xl) 0;background-color:var(--color-background-secondary);border-radius:var(--radius-xl);margin:var(--space-xl) 0}.video-container{position:relative;width:100%;max-width:800px;margin:0 auto var(--space-md);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl);aspect-ratio:16 / 9}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.demo-description{text-align:center;font-size:1.05rem;color:var(--color-text-tertiary);max-width:550px;margin:0 auto;font-weight:var(--font-weight-normal)}.features{padding:var(--space-2xl) 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);margin-top:var(--space-xl)}.feature-card{background:var(--color-background);padding:var(--space-lg) var(--space-md);border-radius:var(--radius-lg);text-align:center;border:1px solid var(--color-border);transition:all var(--transition-normal);cursor:pointer}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border-hover)}.feature-icon{font-size:2.5rem;margin-bottom:var(--space-sm);display:block}.feature-card h3{font-size:1.3rem;font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-sm)}.feature-card p{font-size:.95rem;color:var(--color-text-tertiary);line-height:1.6}.demos-section{padding:var(--space-xl) 0;background-color:var(--color-background-secondary);border-radius:var(--radius-xl);margin:var(--space-xl) 0}.demos-description{text-align:center;font-size:1.1rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto var(--space-lg)}.demos-container{position:relative;margin-top:var(--space-lg)}.demos-grid{display:flex;gap:var(--space-md);overflow-x:auto;scroll-behavior:smooth;padding:var(--space-sm) var(--space-lg);scrollbar-width:none;-ms-overflow-style:none}.demos-grid::-webkit-scrollbar{display:none}.demo-card{background:var(--color-background);padding:var(--space-md);border-radius:var(--radius-lg);text-align:center;border:1px solid var(--color-border);transition:all var(--transition-normal);cursor:pointer;position:relative;overflow:hidden;min-width:200px;max-width:200px;flex-shrink:0}.demo-card:hover{transform:translateY(-8px) scale(1.05);box-shadow:var(--shadow-xl);border-color:var(--color-primary);z-index:10}.demo-card:hover .demo-icon{transform:scale(1.2)}.demo-icon{font-size:2.5rem;margin-bottom:var(--space-sm);display:block;transition:transform var(--transition-normal)}.demo-card h3{font-size:1.1rem;font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-xs);line-height:1.3}.demo-card p{font-size:.85rem;color:var(--color-text-tertiary);line-height:1.4;margin-bottom:var(--space-sm);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.demo-tag{display:inline-block;background:linear-gradient(135deg,var(--color-primary),#0056b3);color:var(--color-background);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-full);font-size:.75rem;font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.5px}.demo-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s ease}.demo-card:hover:before{left:100%}.scroll-hint{text-align:center;margin-top:var(--space-sm);color:var(--color-text-tertiary);font-size:.9rem}.scroll-hint:after{content:"← Scroll to explore more →";opacity:.7}.features-compact{padding:var(--space-xl) 0;text-align:center}.features-highlight{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-md)}.feature-row{display:flex;justify-content:space-between;gap:var(--space-sm)}.feature-item{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);background:var(--color-background-secondary);border-radius:var(--radius-md);transition:all .2s ease;min-height:50px}.feature-item:hover{background:var(--color-background-tertiary);transform:translateY(-2px)}.feature-item .feature-icon{font-size:1.5rem;flex-shrink:0}.feature-item .feature-text{font-size:.9rem;font-weight:var(--font-weight-medium);color:var(--color-text-primary);text-align:left}.mission-section{padding:var(--space-2xl) 0;text-align:center;background-color:var(--color-text-primary);color:var(--color-background);border-radius:var(--radius-xl);margin:var(--space-xl) 0}.mission-section .section-title{color:var(--color-background)}.mission-content{max-width:700px;margin:0 auto}.mission-text{font-size:1.1rem;color:var(--color-text-quaternary);margin:0 auto var(--space-lg);line-height:1.7}.contact-buttons{display:flex;gap:var(--space-sm);justify-content:center;flex-wrap:wrap}.primary-button,.secondary-button{position:relative;overflow:hidden}.primary-button{background:var(--color-primary);color:var(--color-background);border:none;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-size:1rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-normal);min-width:140px;font-family:var(--font-family-primary)}.primary-button:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px #0071e34d}.secondary-button{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-size:1rem;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-normal);min-width:140px;font-family:var(--font-family-primary)}.secondary-button:hover{background:var(--color-primary);color:var(--color-background);transform:translateY(-2px);box-shadow:0 8px 20px #0071e34d}.notification{position:fixed;top:20px;right:20px;background:var(--color-primary);color:var(--color-background);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);box-shadow:0 10px 25px #0071e34d;z-index:1000;font-weight:var(--font-weight-semibold);font-family:var(--font-family-primary)}.footer{padding:var(--space-lg) 0;text-align:center;border-top:1px solid var(--color-border);margin-top:var(--space-xl)}.footer p{color:var(--color-text-tertiary);font-size:.9rem}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes ripple{to{transform:scale(4);opacity:0}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}@media (max-width: 768px){:root{--container-padding: var(--space-sm);--space-3xl: var(--space-2xl);--space-2xl: var(--space-xl)}.header{padding:var(--space-md) 0 var(--space-sm)}.brand{font-size:1.5rem}.hero{padding:var(--space-2xl) 0 var(--space-lg)}.features-grid{grid-template-columns:1fr;gap:var(--space-md)}.feature-card{padding:var(--space-md)}.contact-buttons{flex-direction:column;align-items:center}.demo-section,.mission-section,.demos-section,.features-compact{margin:var(--space-md) 0;padding:var(--space-lg) 0}.feature-row{flex-direction:column;gap:var(--space-xs)}.feature-item{min-height:40px;padding:var(--space-xs) var(--space-sm)}.feature-item .feature-text{font-size:.85rem;text-align:center}.section-title{margin-bottom:var(--space-lg)}.video-container{max-width:100%}.demos-grid{padding:var(--space-sm);gap:var(--space-sm)}.demo-card{min-width:180px;max-width:180px;padding:var(--space-sm)}.demo-icon{font-size:2.2rem}.demo-card h3{font-size:1rem}.demo-card p{font-size:.8rem;-webkit-line-clamp:2}}@media (max-width: 480px){.header{padding:var(--space-sm) 0 var(--space-xs)}.brand{font-size:1.3rem}.video-container{border-radius:var(--radius-md)}.demo-section,.mission-section,.demos-section,.features-compact{border-radius:var(--radius-lg)}.feature-row{gap:var(--space-xs)}.feature-item{padding:var(--space-xs) var(--space-sm)}.feature-item .feature-text{font-size:.85rem}.feature-card,.demo-card{border-radius:var(--radius-md)}.contact-buttons{gap:var(--space-xs)}.primary-button,.secondary-button{min-width:120px;padding:var(--space-xs) var(--space-md)}.demo-card{min-width:160px;max-width:160px;padding:var(--space-xs) var(--space-sm)}.demo-icon{font-size:2rem;margin-bottom:var(--space-xs)}.demo-card h3{font-size:.95rem;margin-bottom:var(--space-xs)}.demo-card p{font-size:.75rem;-webkit-line-clamp:2;margin-bottom:var(--space-xs)}.demo-tag{font-size:.7rem;padding:2px var(--space-xs)}.scroll-hint{font-size:.8rem}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}