:root{--color-bg: #ffffff;--color-bg-alt: #f5f5f5;--color-text: #1a1a1a;--color-text-muted: #666666;--color-accent: #0099cc;--color-accent-hover: #0077a3;--color-border: #e0e0e0;--font-primary: "Roboto", sans-serif;--container-width: 1200px;--header-height: 80px;--border-radius: 4px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-primary);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit;transition:color .3s ease}img{max-width:100%;display:block}ul{list-style:none}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.section{padding:100px 0}.text-accent{color:var(--color-accent)}.btn{display:inline-block;padding:14px 32px;font-weight:700;text-transform:uppercase;letter-spacing:1px;border-radius:var(--border-radius);transition:all .3s ease;cursor:pointer;font-size:14px}.btn-primary{background-color:var(--color-accent);color:#000;border:2px solid 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var(--color-border)}.nav.open{height:auto;padding-bottom:20px}.nav-list{flex-direction:column;padding:20px;gap:20px}.mobile-menu-btn{display:block}.hero-title{font-size:36px}.hero-actions{display:flex;flex-direction:column;gap:15px}.btn-outline{margin-left:0}.footer-content{flex-direction:column;align-items:center;text-align:center;gap:30px}}