.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1500}.modal-content{background:#fff;padding:2rem;border-radius:12px;text-align:center;min-width:300px;max-width:400px;box-shadow:0 8px 25px #0003}.modal-content h2{margin-bottom:1rem;font-size:1.5rem;color:var(--blue)}.modal-content input[type=text]{padding:10px;font-size:16px;width:100%;margin-bottom:1rem;border-radius:8px;border:1px solid #ccc;outline:none}.modal-content input[type=text]:focus{border-color:var(--blue)}.modal-content button{padding:10px 20px;font-size:16px;border-radius:8px;border:none;cursor:pointer}.modal-content button[type=submit]{background-color:var(--blue);color:#fff;font-weight:700}.modal-content button[type=submit]:disabled{background-color:#ccc;cursor:not-allowed}.modal-content button[type=button]{background-color:#eee;color:#333}.modal-content p{margin-bottom:1rem}.topbar{position:fixed;inset:0 0 auto;width:auto;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 2px 5px #0000000d;z-index:1000}.nav-container{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.75rem;padding:.5rem 1rem;box-sizing:border-box;min-width:0}.logo{font-size:1.5rem;font-weight:700;color:var(--blue);white-space:nowrap}.nav-links{display:flex;justify-content:center;gap:1.25rem;list-style:none;margin:0;padding:0;min-width:0}.nav-links a{text-decoration:none;color:var(--blue);font-weight:500;transition:color .2s ease}.nav-links a:hover{color:var(--red)}.actions{display:flex;align-items:center;gap:.5rem;min-width:0;flex-wrap:nowrap}.search{padding:.35rem .75rem;border:1px solid #ddd;border-radius:20px;outline:none;font-size:.95rem;min-width:0;width:clamp(90px,22vw,160px)}.invite-btn{padding:.4rem .9rem;border:0;border-radius:20px;background:#222b52;color:#fff;font-weight:700;cursor:pointer;transition:background .2s ease;white-space:nowrap}.invite-btn:hover{background:#222b52}.menu-btn{display:none;background:none;border:0;font-size:1.6rem;line-height:1;cursor:pointer}.mobile-menu{position:fixed;inset:0;background:#fff;display:grid;place-items:center;z-index:2000}.mobile-menu ul{list-style:none;margin:0;padding:0;display:grid;gap:1rem;text-align:center}.mobile-menu a{text-decoration:none;font-size:1.6rem;font-weight:700;color:var(--blue)}.close-btn{position:absolute;top:1rem;right:1rem;background:none;border:0;font-size:2rem;cursor:pointer}@media (max-width: 900px){.nav-links{display:none}.nav-container{grid-template-columns:auto 1fr auto}.menu-btn{display:inline-block}.search{width:clamp(80px,28vw,120px)}.invite-btn{padding:.35rem .75rem;font-size:.9rem}}html,body{overflow-x:hidden}:root{--blue: #272f7a;--white: #ffffff;--gray: #bbbbbb}.hero-banner{height:70vh;background-color:var(--blue);display:flex;align-items:center;justify-content:center;color:var(--white);text-align:center;padding:2rem}.hero-content h1{font-size:3rem;margin-bottom:1rem}.hero-content p{font-size:1.25rem}.categories-section{padding:2rem 1rem;text-align:center;background-color:var(--white)}.categories-section h2{font-size:2rem;margin-bottom:1.5rem;color:var(--blue)}.categories-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1.5rem}.category-card{border-radius:16px;padding:2rem 2.5rem;font-weight:700;font-size:1.25rem;cursor:pointer;color:var(--white);min-width:160px;text-transform:uppercase;transition:transform .2s ease,box-shadow .2s ease}.category-card:nth-child(1){background-color:var(--gray)}.category-card:nth-child(2){background-color:var(--gray)}.category-card:nth-child(3){background-color:var(--gray)}.category-card:nth-child(4){background-color:var(--gray)}.category-card:hover{transform:scale(1.05);box-shadow:0 6px 18px #0003;background-color:#000}@media (max-width: 768px){.hero-content h1{font-size:2rem}.hero-content p{font-size:1rem}.categories-container{flex-direction:column;align-items:center}.category-card{width:100%;max-width:300px;padding:1.5rem;font-size:1.1rem}}