:root{--primary-color: #007680;--secondary-color: #004d40;--accent-color: #26a69a;--text-color: #333333;--text-light: #666666;--bg-color: #ffffff;--bg-light: #f4f8f7;--white: #ffffff;--card-bg: #ffffff;--nav-text: #333333;--border-color: #e0e0e0;--footer-bg: #00251a;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 4px 6px rgba(0,0,0,.1);--radius-md: 8px;--radius-lg: 12px;--font-main: "Inter", system-ui, -apple-system, sans-serif}:root[data-theme=dark]{--primary-color: #4db6ac;--secondary-color: #80cbc4;--accent-color: #26a69a;--text-color: #e8eaed;--text-light: #9aa0a6;--bg-color: #0A0E27;--bg-light: #1a1f3a;--white: #1a1f3a;--card-bg: #1a1f3a;--nav-text: #e8eaed;--border-color: #2d3250;--footer-bg: #050817;--shadow-sm: 0 2px 8px rgba(0,0,0,.4);--shadow-md: 0 8px 16px rgba(0,0,0,.6)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);color:var(--text-color);background-color:var(--bg-color);line-height:1.6;transition:background-color .3s,color .3s}h1,h2,h3{line-height:1.2;font-weight:700;margin-bottom:1rem;color:var(--text-color);letter-spacing:-.02em}h1{font-size:3rem;font-weight:800}h2{font-size:2.25rem;color:var(--primary-color);font-weight:700}h3{font-size:1.5rem;font-weight:600}a{text-decoration:none;color:inherit;transition:color .2s}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:var(--bg-color);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;transition:background-color .3s}nav{display:flex;justify-content:space-between;align-items:center;height:80px}.logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);display:flex;align-items:center;gap:10px}.nav-links{display:flex;gap:30px;list-style:none;align-items:center}.nav-links a{font-weight:500;color:var(--nav-text);transition:color .3s}.nav-links a:hover,.nav-links a.active{color:var(--primary-color)}.nav-right{display:flex;align-items:center;gap:15px}.theme-toggle{background:none;border:none;cursor:pointer;color:var(--nav-text);font-size:1.2rem;padding:5px;display:flex;align-items:center}.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--nav-text)}.btn-cta{background:var(--primary-color);color:#fff!important;padding:10px 24px;border-radius:50px;font-weight:600}.btn-cta:hover{background:var(--secondary-color)}@media(max-width:768px){.menu-toggle{display:block}.nav-links{position:absolute;top:80px;left:0;width:100%;background:var(--bg-color);flex-direction:column;padding:20px 0;gap:20px;box-shadow:var(--shadow-md);display:none}.nav-links.active{display:flex}.btn-cta{display:none}}.hero{background:linear-gradient(135deg,var(--bg-light) 0%,var(--bg-color) 100%);min-height:65vh;padding:80px 0;text-align:center;display:flex;align-items:center;transition:background-color .3s}.hero h1{font-size:4rem;margin-bottom:24px;font-weight:800;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:1.35rem;color:var(--text-light);max-width:650px;margin:0 auto 40px;line-height:1.6}.products-section{padding:50px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid{grid-template-columns:1fr}}.card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:transform .3s,box-shadow .3s,background-color .3s;border:1px solid var(--border-color)}.card:hover{transform:translateY(-6px);box-shadow:0 12px 24px #00000026}.card-image{height:200px;background:transparent;display:flex;align-items:center;justify-content:center;padding:20px;transition:background-color .3s}.card-image img{max-width:100%;max-height:100%;object-fit:contain;background:#fff;border-radius:8px;padding:12px}.card-content{padding:24px}.badge{display:inline-block;padding:4px 12px;background:#e6f7ff;color:var(--primary-color);border-radius:20px;font-size:.8rem;font-weight:600;margin-bottom:12px}.product-specs{margin-top:16px;padding-top:16px;border-top:1px solid #eee;font-size:.9rem;color:var(--text-light)}footer{background:var(--footer-bg);color:#fff!important;padding:60px 0 20px;margin-top:auto;transition:background-color .3s}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.9rem;color:#ffffffb3}