:root{--navy:#0b1e34;--blue:#0ea5e9;--light:#e6f6ff;--white:#ffffff}.header{height:100vh;width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);font-family:Poppins,sans-serif;position:relative}.bg-video{position:fixed;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:brightness(.55) saturate(1.1)}.header-content{z-index:1;max-width:900px;padding:0 1rem;animation:fadeIn 1s ease-in-out}.title{font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;background:linear-gradient(90deg,var(--light),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:slideDown 1s ease-out;text-shadow:0 6px 28px #34e5ff33}.subtitle{font-size:clamp(1.1rem,2.4vw,1.5rem);margin-bottom:2rem;color:#e6f6ffdd;font-weight:600;animation:slideUp 1s ease-out;transition:opacity 1s ease-in-out}.btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn{padding:.85rem 1.6rem;border-radius:14px;font-weight:800;text-decoration:none;transition:all .25s ease;position:relative;box-shadow:0 10px 24px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.14)}.btn-blue{color:#0b121a;background:linear-gradient(135deg,rgb(109,84,84),red);box-shadow:0 12px 26px rgba(14,165,233,.35)}.btn-blue:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 18px 34px rgba(14,165,233,.5);filter:saturate(1.06)}.btn-white{color:#0b121a;background:var(--white)}.btn-white:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 14px 30px rgba(255,255,255,.35)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width:560px){.btn{width:100%}}