html, body { height: 100%; margin: 0; padding: 0; }
/* Apply gradient to html so mobile overscroll/bounce still shows color */
html { min-height:100%; background:linear-gradient(135deg,#0b2d4f,#0e4f89 55%, #0c6fb8); background-repeat:no-repeat; background-attachment:fixed; background-size:cover; }
body { width: 100%; min-height: 100vh; position: relative; font-family: 'Segoe UI', Arial, sans-serif; display: flex; flex-direction: column; background:transparent; color:#f0f4f8; overscroll-behavior:none; }
/* Ensure Bulma sections remain transparent */
.section, .container { background:transparent !important; }
#vanta-bg { width: 100vw; height: 100vh; position: fixed; top: 0; left: 0; z-index: 1; }
/* Hide scrollbars cross-browser while keeping scroll */
html, body { -ms-overflow-style: none; scrollbar-width: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar { display: none; }

.center-wrapper { flex: 1 0 auto; display: flex; align-items: center; justify-content: center; padding: 4rem 1.2rem 7rem; box-sizing: border-box; }
.center-content { text-align: center; z-index: 2; color: #fff; max-width: 720px; }
.title { font-size: clamp(1.6rem, 5vw, 2.2rem); font-weight: bold; margin-bottom: 2rem; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.start-btn { padding: 0.8rem 2rem; font-size: 1.1rem; border: none; border-radius: 6px; background: #fff; color: #0078d4; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.2); transition: background 0.2s, color 0.2s; }
.start-btn:hover { background: #e6f0fa; color: #005fa3; }
.notice-box { position: fixed; left: 50%; transform: translateX(-50%); bottom: 0; width: 100%; max-width: 900px; background: rgba(255,255,255,0.72); color: #0d141a; border-top: 1px solid rgba(200,211,220,0.45); border-left: none; border-right: none; border-bottom: none; border-radius: 18px 18px 0 0; padding: 1.1rem 1.4rem 1.4rem; box-shadow: 0 -2px 18px rgba(0,0,0,0.18); backdrop-filter: blur(12px) saturate(115%); -webkit-backdrop-filter: blur(12px) saturate(115%); text-align: left; z-index: 3; }
.notice-title { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 0.5rem; color: #005fa3; }
.notice-text { font-size: 0.65rem; line-height: 1.1rem; font-weight: 400; }

/* Dark navbar dropdown theme */
.navbar { background: rgba(0,0,0,0.45) !important; }
.navbar-item, .navbar-link { color: #f0f4f8 !important; }
.navbar-link:hover { background: rgba(255,255,255,0.08) !important; color:#ffffff !important; }
.navbar-dropdown { background: rgba(20,23,28,0.92) !important; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.06); box-shadow: 0 4px 18px rgba(0,0,0,0.4); }
.navbar-dropdown .navbar-item { color:#e2e8f0 !important; }
.navbar-dropdown .navbar-item:hover { background: rgba(255,255,255,0.07) !important; color:#fff !important; }
.navbar-dropdown .navbar-item:focus { background: rgba(255,255,255,0.07) !important; color:#fff !important; }
.navbar-divider { background-color: rgba(255,255,255,0.12); }
.navbar-burger span { background-color:#f0f4f8; }

/* Mobile navbar menu override to prevent white background hiding text */
@media (max-width: 1023px) {
  .navbar-menu, .navbar-menu.is-active { background: rgba(12,20,30,0.94) !important; }
  .navbar-menu .navbar-item, .navbar-menu .navbar-link { color:#f0f6fa !important; }
  .navbar-menu .navbar-link:hover, .navbar-menu .navbar-item:hover { background: rgba(255,255,255,0.08) !important; }
  .navbar-menu .navbar-dropdown { background: transparent !important; box-shadow:none !important; }
  .navbar-menu .navbar-dropdown .navbar-item { padding-left:1.25rem; }
}

/* Explicit dropdown state override (hoverable on larger screens) */
.navbar-item.has-dropdown.is-active .navbar-link { background: rgba(255,255,255,0.07) !important; }

/* Responsive adjustments */
@media (max-width: 600px) {
  .center-wrapper { padding: 3.2rem 1.1rem 9rem; }
  .start-btn { width: 100%; }
  .notice-box { padding: 1rem 1.1rem 1.2rem; }
  .notice-text { font-size: 0.62rem; }
  .hero-body { padding-bottom:9rem !important; }
}
@media (max-height: 640px) {
  .center-wrapper { padding: 2.5rem 1rem 8.5rem; }
  .title { margin-bottom: 1.4rem; }
}
@media (min-width:601px){ #notice-modal { display:none !important; } }

/* Utility */
.hero .title { font-size: clamp(1.6rem,5vw,2.2rem); }