*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #0a4d68;--secondary-color: #088395;--accent-color: #05bfdb;--dark-bg: #001524;--light-bg: #f8f9fa;--text-dark: #1a1a1a;--text-light: #ffffff;--text-gray: #6c757d;--spacing-unit: 8px}body{font-family:Inter,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--light-bg)}html{scroll-behavior:smooth}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-unit)}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:calc(var(--spacing-unit) * 6);color:var(--text-dark)}.navbar{position:fixed;top:0;left:0;width:100%;background-color:#fffffffa;box-shadow:0 2px 10px #0000001a;z-index:1000;padding:calc(var(--spacing-unit) * 2) 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 calc(var(--spacing-unit) * 2);display:flex;justify-content:space-between;align-items:center}.nav-logo{display:flex;align-items:center}.logo-icon{color:var(--primary-color);transition:transform .3s ease}.logo-icon:hover{transform:scale(1.1)}.nav-menu{display:flex;list-style:none;gap:calc(var(--spacing-unit) * 4)}.nav-menu a{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color .3s ease;position:relative}.nav-menu a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--accent-color);transition:width .3s ease}.nav-menu a:hover{color:var(--accent-color)}.nav-menu a:hover:after{width:100%}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background-image:url(https://cdn.pixabay.com/photo/2018/08/07/21/01/drone-3590739_1280.jpg);background-size:cover;background-position:center;background-attachment:fixed;padding-top:calc(var(--spacing-unit) * 10)}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#001524d9,#088395bf)}.hero-content{position:relative;z-index:1;text-align:center;color:var(--text-light);max-width:900px;padding:calc(var(--spacing-unit) * 4)}.hero-title{font-size:4rem;font-weight:700;margin-bottom:calc(var(--spacing-unit) * 2);text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero-slogan{font-size:1.75rem;font-weight:300;margin-bottom:calc(var(--spacing-unit) * 4);letter-spacing:2px}.hero-intro{font-size:1.125rem;line-height:1.8;margin-bottom:calc(var(--spacing-unit) * 5);max-width:700px;margin-left:auto;margin-right:auto}.hero-buttons{display:flex;gap:calc(var(--spacing-unit) * 2);justify-content:center;flex-wrap:wrap}.btn{padding:calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);text-decoration:none;font-weight:600;border-radius:8px;transition:all .3s ease;display:inline-block;text-align:center}.btn-primary{background-color:var(--accent-color);color:var(--text-dark)}.btn-primary:hover{background-color:var(--text-light);transform:translateY(-2px);box-shadow:0 8px 20px #05bfdb66}.btn-secondary{background-color:var(--primary-color);color:var(--text-light);font-size:.9rem;padding:calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3)}.btn-secondary:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 8px 20px #08839566}.advantages{padding:calc(var(--spacing-unit) * 10) 0;background-color:var(--light-bg)}.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 4)}.advantage-card{background-color:#fff;padding:calc(var(--spacing-unit) * 4);border-radius:12px;text-align:center;box-shadow:0 4px 15px #00000014;transition:transform .3s ease,box-shadow .3s ease}.advantage-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #00000026}.advantage-icon{color:var(--accent-color);margin-bottom:calc(var(--spacing-unit) * 3)}.advantage-card h3{font-size:1.5rem;font-weight:600;margin-bottom:calc(var(--spacing-unit) * 2);color:var(--primary-color)}.advantage-card p{color:var(--text-gray);line-height:1.7}.products{padding:calc(var(--spacing-unit) * 10) 0;background-color:#fff}.products-intro{text-align:center;max-width:800px;margin:0 auto calc(var(--spacing-unit) * 6);color:var(--text-gray);font-size:1.125rem;line-height:1.8}.featured-product{background-color:var(--light-bg);border-radius:16px;overflow:hidden;box-shadow:0 8px 30px #0000001f;margin-bottom:calc(var(--spacing-unit) * 8);display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--spacing-unit) * 4);transition:transform .3s ease,box-shadow .3s ease}.featured-product:hover{transform:translateY(-4px);box-shadow:0 12px 40px #0000002e}.featured-product-image{background-color:#fff;display:flex;align-items:center;justify-content:center;padding:calc(var(--spacing-unit) * 6)}.featured-product-image img{width:100%;height:auto;max-height:500px;object-fit:contain}.featured-product-content{padding:calc(var(--spacing-unit) * 6);display:flex;flex-direction:column;justify-content:center}.featured-product-content h3{font-size:2rem;font-weight:700;margin-bottom:calc(var(--spacing-unit) * 3);color:var(--primary-color)}.featured-product-content p{color:var(--text-gray);line-height:1.8;font-size:1.125rem;margin-bottom:calc(var(--spacing-unit) * 4)}.featured-product-content .product-buttons{display:flex;flex-direction:row;gap:calc(var(--spacing-unit) * 2)}.accessories-title{font-size:2rem;font-weight:600;text-align:center;margin-bottom:calc(var(--spacing-unit) * 5);color:var(--primary-color)}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:calc(var(--spacing-unit) * 4)}.product-card{background-color:var(--light-bg);border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #00000014;transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px #00000026}.product-image{width:100%;height:280px;overflow:hidden;background-color:#fff}.product-image img{width:100%;height:100%;object-fit:contain;padding:calc(var(--spacing-unit) * 2)}.product-content{padding:calc(var(--spacing-unit) * 3);flex-grow:1;display:flex;flex-direction:column}.product-content h3{font-size:1.25rem;font-weight:600;margin-bottom:calc(var(--spacing-unit) * 2);color:var(--primary-color)}.product-content p{color:var(--text-gray);line-height:1.7;margin-bottom:calc(var(--spacing-unit) * 3);flex-grow:1}.product-buttons{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 1.5)}.about{position:relative;padding:calc(var(--spacing-unit) * 10) 0;background-image:url(https://cdn.pixabay.com/photo/2018/03/01/02/41/waters-3189595_1280.jpg);background-size:cover;background-position:center;background-attachment:fixed}.about-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#0a4d68eb,#001524e0)}.about .container{position:relative;z-index:1}.about .section-title{color:var(--text-light)}.about-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 4)}.about-block{background-color:#fffffff2;padding:calc(var(--spacing-unit) * 4);border-radius:12px;box-shadow:0 4px 15px #0003}.about-block h3{font-size:1.5rem;font-weight:600;margin-bottom:calc(var(--spacing-unit) * 2);color:var(--primary-color)}.about-block p{color:var(--text-gray);line-height:1.8}.app-section{padding:calc(var(--spacing-unit) * 10) 0;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.app-content{max-width:800px;margin:0 auto;text-align:center}.app-description{font-size:1.125rem;line-height:1.8;color:var(--text-gray);margin-bottom:calc(var(--spacing-unit) * 5)}.app-buttons{display:flex;gap:calc(var(--spacing-unit) * 3);justify-content:center;flex-wrap:wrap}.btn-app{display:inline-flex;align-items:center;gap:calc(var(--spacing-unit) * 1.5);padding:calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 4);background-color:var(--text-dark);color:#fff;font-size:1.125rem;font-weight:600;border-radius:12px;box-shadow:0 4px 15px #0003;transition:all .3s ease}.btn-app:hover{background-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 6px 20px #0a4d684d}.btn-app svg{width:24px;height:24px}.reviews{padding:calc(var(--spacing-unit) * 10) 0;background-color:var(--light-bg)}.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:calc(var(--spacing-unit) * 4)}.review-card{background-color:#fff;padding:calc(var(--spacing-unit) * 4);border-radius:12px;box-shadow:0 4px 15px #00000014;transition:transform .3s ease,box-shadow .3s ease}.review-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #0000001f}.review-header{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 2);margin-bottom:calc(var(--spacing-unit) * 2)}.review-avatar{width:60px;height:60px;border-radius:50%;object-fit:cover;border:3px solid var(--accent-color)}.review-info h4{font-size:1.125rem;font-weight:600;color:var(--text-dark);margin-bottom:calc(var(--spacing-unit) * .5)}.review-role{color:var(--text-gray);font-size:.875rem}.review-stars{color:#ffc107;font-size:1.25rem;margin-bottom:calc(var(--spacing-unit) * 2)}.review-text{color:var(--text-gray);line-height:1.7;font-style:italic}.contact{background-image:url(https://cdn.pixabay.com/photo/2018/11/12/15/50/drone-3811167_1280.jpg);background-size:cover;background-position:center;position:relative;padding:calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 4)}.contact:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#001524f2,#0a4d68eb)}.contact .container{position:relative;z-index:1}.contact-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 6);margin-bottom:calc(var(--spacing-unit) * 6)}.contact-info h3{color:var(--text-light);font-size:2rem;margin-bottom:calc(var(--spacing-unit) * 3)}.contact-item{display:flex;align-items:flex-start;gap:calc(var(--spacing-unit) * 2);margin-bottom:calc(var(--spacing-unit) * 3);color:var(--text-light)}.contact-item svg{flex-shrink:0;margin-top:4px}.contact-item a{color:var(--accent-color);text-decoration:none;transition:color .3s ease}.contact-item a:hover{color:var(--text-light)}.contact-item p{line-height:1.7}.contact-brand{text-align:center;display:flex;flex-direction:column;align-items:center;gap:calc(var(--spacing-unit) * 2)}.footer-logo{color:var(--accent-color);transition:transform .3s ease}.footer-logo:hover{transform:scale(1.05)}.tagline{color:var(--accent-color);font-size:1rem;font-weight:600;letter-spacing:1px;margin:0}.footer-bottom{text-align:center;padding-top:calc(var(--spacing-unit) * 4);border-top:1px solid rgba(255,255,255,.2);color:#ffffffb3}@media (max-width: 768px){.nav-menu{flex-direction:column;gap:calc(var(--spacing-unit) * 2)}.hero-title{font-size:2.5rem}.hero-slogan{font-size:1.25rem}.section-title{font-size:2rem}.advantages-grid,.products-grid,.about-content,.reviews-grid,.featured-product{grid-template-columns:1fr}.app-buttons{flex-direction:column;align-items:center}.btn-app{width:100%;max-width:300px}.featured-product-content h3{font-size:1.5rem}.featured-product-content .product-buttons{flex-direction:column}.accessories-title{font-size:1.5rem}.hero-buttons{flex-direction:column;align-items:stretch}.product-buttons{flex-direction:column}}@media (max-width: 480px){.hero-title{font-size:2rem}.nav-container{flex-direction:column;gap:calc(var(--spacing-unit) * 2)}}