:root{--primary: #2c3e50;--primary-hover: #34495e;--secondary: #3498db;--secondary-hover: #2980b9;--accent: #e74c3c;--white: #ffffff;--black: #2c3e50;--gray: #95a5a6;--light-gray: #ecf0f1;--dark-gray: #34495e;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--font-family: "Roboto", Arial, sans-serif;--font-size: 16px;--line-height: 1.5;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--border-radius: 4px;--border-radius-lg: 8px;--border-radius-xl: 12px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;width:100%}body{font-family:var(--font-family);font-size:var(--font-size);line-height:var(--line-height);color:var(--black);background:var(--white)}header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--white);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);height:110px;display:flex;align-items:center}header.scrolled{box-shadow:var(--shadow-md)}.header-content{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 var(--spacing-xl);width:100%}.logo{display:flex;align-items:center;font-size:2rem;font-weight:700;color:var(--primary);text-decoration:none;gap:1rem}.logo img{height:60px;width:auto;display:block}.logo span{font-size:2rem;font-weight:700;color:var(--primary)}.nav{display:flex;align-items:center;gap:var(--spacing-md)}.nav-list{display:flex;align-items:center;gap:var(--spacing-md);list-style:none}.nav-link{color:var(--black);font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);transition:all var(--transition-fast)}.nav-link:hover{color:var(--primary);background:var(--light-gray)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);font-weight:500;transition:all var(--transition-fast);cursor:pointer;border:none;text-align:center;box-shadow:var(--shadow-sm)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary{background:var(--primary);color:var(--white)}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--secondary);color:var(--white)}.btn-secondary:hover{background:var(--secondary-hover)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.section{padding:var(--spacing-xl) 0}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-lg);color:var(--primary);text-align:center}.section-subtitle{font-size:1.25rem;color:var(--gray);text-align:center;margin-bottom:var(--spacing-xl)}.card{background:var(--white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-lg);transition:all var(--transition-normal)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:500}.form-control{width:100%;padding:var(--spacing-sm);border:1px solid var(--gray);border-radius:var(--border-radius);transition:all var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #2c3e501a}footer{background:var(--dark-gray);color:var(--white);padding:var(--spacing-xl) 0}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl)}.footer-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--spacing-md)}.footer-link{color:var(--white);opacity:.8;transition:opacity var(--transition-fast)}.footer-link:hover{opacity:1}main,.main-content,.section:first-child{margin-top:120px}@media (max-width: 768px){header{height:90px}.header-content{padding:0 var(--spacing-md)}.logo img{height:40px}main,.main-content,.section:first-child{margin-top:100px}.nav{display:none}.nav.open{display:flex;position:fixed;top:60px;left:0;right:0;background:var(--white);padding:var(--spacing-md);flex-direction:column;align-items:flex-start}.nav-list{flex-direction:column;align-items:flex-start;width:100%}.section-title{font-size:2rem}.section-subtitle{font-size:1rem}}.banner-section{width:100%;margin-bottom:var(--spacing-xl)}.banner-wrapper{position:relative;width:100%;max-height:320px;overflow:hidden;border-radius:var(--border-radius-lg)}.banner-img{width:100%;height:320px;object-fit:cover;display:block;filter:brightness(.7)}.banner-claim{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);color:#fff;font-size:2rem;font-weight:500;text-align:center;text-shadow:0 2px 8px rgba(0,0,0,.4);padding:0 var(--spacing-xl)}@media (max-width: 768px){.banner-img{height:180px}.banner-claim{font-size:1.1rem;padding:0 var(--spacing-md)}}