:root{--primary-color:#036;--secondary-color:#f4f4f4;--accent-color:#007bff;--text-color:#333;--light-text-color:#fff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:#fff;color:var(--text-color);font-family:Roboto,sans-serif;line-height:1.6}.container{margin:0 auto;max-width:1100px;padding:0 20px}h1,h2,h3{font-family:Montserrat,sans-serif}h2{font-size:2.5rem;margin-bottom:40px;text-align:center}section{padding:60px 0}.main-header{background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.1);left:0;padding:15px 0;position:fixed;top:0;width:100%;z-index:100}.main-header .container{align-items:center;display:flex;justify-content:space-between}.logo{color:var(--primary-color);font-size:1.5rem;font-weight:700;text-decoration:none}.main-nav ul{display:flex;list-style:none}.main-nav ul li{margin-left:25px}.main-nav ul li a{color:var(--text-color);font-weight:500;text-decoration:none;transition:color .3s}.main-nav ul li a:hover{color:var(--accent-color)}.mobile-nav-toggle{background:none;border:none;color:var(--primary-color);cursor:pointer;display:none;font-size:1.8rem}.hero-section{align-items:center;background:url(header.webp) no-repeat 50%/cover;color:var(--light-text-color);display:flex;height:100vh;justify-content:center;padding-top:80px;position:relative;text-align:center}.hero-overlay{background-color:rgba(0,51,102,.7);height:100%;left:0;position:absolute;top:0;width:100%}.hero-content{position:relative;z-index:1}.hero-section h1{font-size:3.5rem;margin-bottom:20px}.hero-section p{font-size:1.2rem;margin:0 auto 30px;max-width:700px}.cta-button{background:var(--accent-color);border:none;border-radius:5px;color:var(--light-text-color);cursor:pointer;font-size:1rem;font-weight:500;padding:15px 30px;text-decoration:none;transition:background-color .3s}.cta-button:hover{background:#0056b3}.services-section{background-color:var(--secondary-color)}.services-grid{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(500px,1fr))}.service-card{background:#fff;border-radius:10px;box-shadow:0 4px 10px rgba(0,0,0,.05);padding:30px;text-align:center;transition:transform .3s,box-shadow .3s}.service-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.1);transform:translateY(-10px)}.service-card i{color:var(--accent-color);font-size:3rem;margin-bottom:20px}.service-card h3{font-size:1.5rem;margin-bottom:15px}.about-section ul{list-style:none;margin-top:20px}.about-section ul li{font-size:1.1rem;margin-bottom:10px}.about-section ul li i{color:var(--accent-color);margin-right:10px}.about-content{margin:0 auto;max-width:800px;text-align:center}.certificates-section{background-color:var(--secondary-color)}.certificates-grid{display:flex;flex-wrap:wrap;gap:30px;justify-content:center}.certificate-item{border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,.1);display:block;height:250px;overflow:hidden;position:relative;transition:box-shadow .3s ease;width:180px}.certificate-item:hover{box-shadow:0 8px 20px rgba(0,0,0,.2)}.certificate-item img{height:100%;object-fit:cover;transition:transform .3s ease;width:100%}.certificate-item .overlay{align-items:center;background-color:rgba(0,51,102,.75);display:flex;height:100%;justify-content:center;left:0;opacity:0;position:absolute;top:0;transition:opacity .3s ease;width:100%}.certificate-item .overlay i{color:#fff;font-size:3rem}.certificate-item:hover .overlay{opacity:1}.certificate-item:hover img{transform:scale(1.1)}.contact-grid{align-items:start;display:grid;gap:40px;grid-template-columns:1fr 1fr}.contact-info p{font-size:1.1rem;margin-bottom:15px}.contact-info i{color:var(--accent-color);margin-right:15px;text-align:center;width:20px}.contact-form input,.contact-form textarea{border:1px solid #ccc;border-radius:5px;font-family:Roboto,sans-serif;margin-bottom:15px;padding:12px;width:100%}.contact-form textarea{resize:vertical}.main-footer{background:var(--primary-color);color:var(--light-text-color);padding:20px 0;text-align:center}@media (max-width:768px){h2{font-size:2rem}.hero-section h1{font-size:2.5rem}.mobile-nav-toggle{display:block}.main-nav{background:#fff;box-shadow:-2px 0 5px rgba(0,0,0,.2);height:100vh;max-width:300px;position:fixed;right:-100%;top:0;transition:right .3s ease-in-out;width:70%;z-index:1000}.main-nav.active{right:0}.main-nav ul{align-items:center;flex-direction:column;padding-top:80px}.main-nav ul li{margin:20px 0}.contact-grid{grid-template-columns:1fr}.nav-close-btn{display:block!important}.services-grid{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}#form-status{font-weight:700;margin-top:15px;text-align:center}.nav-close-btn{background:none;border:none;color:var(--text-color);cursor:pointer;display:none;font-size:2rem;position:absolute;right:20px;top:20px}.nav-close-active{display:block!important}.mb-1{margin-bottom:10px}.g-recaptcha{margin-top:-6px}.contact-info h3,.g-recaptcha{margin-bottom:15px}.service-card:last-child:nth-child(odd){grid-column:1/-1}