*{box-sizing:border-box;margin:0;padding:0}body{font-family:Arial,sans-serif;line-height:1.7;color:#222;background:#f8f9fb}a{text-decoration:none;color:inherit}.container{width:90%;max-width:1200px;margin:0 auto}header{background:#fff;border-bottom:1px solid #e5e5e5;padding:20px 0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.logo{font-size:24px;font-weight:700;color:#006b7a}nav ul{list-style:none;display:flex;gap:20px;flex-wrap:wrap}nav a{font-weight:600;color:#333;transition:.2s}nav a:hover{color:#006b7a}.hero{background:#eaf6f8;padding:50px 0;border-bottom:1px solid #d7eaee}.hero h1{font-size:34px;color:#004f5a;margin-bottom:10px}.hero p{font-size:18px;color:#4b4b4b}main{padding:50px 0}.content-layout{display:grid;grid-template-columns:2fr 1fr;gap:40px}.main-content,.sidebar{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 16px #0000000d}.main-content h2,.sidebar h3,.contact-section h2,.about-section h2{color:#006b7a;margin-bottom:20px}.main-content p{margin-bottom:18px;color:#333}.sidebar ul{list-style:none;padding-left:0}.sidebar li{padding:10px 0;border-bottom:1px solid #eee}.sidebar li:last-child{border-bottom:none}.search-box,.contact-box{margin-top:35px}.search-box input,.contact-box input,.contact-box textarea{width:100%;padding:12px 14px;margin-top:10px;margin-bottom:14px;border:1px solid #ccc;border-radius:8px;font-size:15px}.contact-box textarea{resize:vertical;min-height:130px}.contact-box label{font-size:14px;color:#555;display:block;margin-bottom:8px}.btn{display:inline-block;padding:12px 20px;background:#006b7a;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:700;transition:.2s}.btn:hover{background:#004f5a}.about-section,.contact-section{background:#fff;margin-top:40px;padding:30px;border-radius:12px;box-shadow:0 4px 16px #0000000d}footer{margin-top:50px;background:#003d46;color:#fff;padding:35px 0}footer p{margin-bottom:8px}@media(max-width:900px){.content-layout{grid-template-columns:1fr}.hero h1{font-size:28px}}