/* Behaviour styles that the React app used to handle in JavaScript. */

/* sticky header: solid background after scrolling */
header.is-scrolled {
  background-color: hsl(var(--background) / 0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: rgb(255 255 255 / 0.05);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.2);
}

/* accordion chevron rotation */
button[data-state="open"] > svg { transform: rotate(180deg); }
[role="region"][hidden] { display: none; }

/* mobile navigation drawer */
.jk-drawer-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgb(0 0 0 / 0.6);
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.jk-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 100;
  width: min(86vw, 360px); overflow-y: auto;
  background: hsl(var(--background)); color: #fff;
  border-left: 1px solid rgb(255 255 255 / 0.1);
  transform: translateX(100%); transition: transform .25s ease;
  padding: 20px 20px 32px;
  font-family: inherit;
}
.jk-drawer-open .jk-drawer { transform: none; }
.jk-drawer-open .jk-drawer-backdrop { opacity: 1; pointer-events: auto; }
.jk-drawer-open { overflow: hidden; }
.jk-drawer__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.jk-drawer__title { font-weight: 700; font-size: 1.125rem; }
.jk-drawer__close {
  width: 40px; height: 40px; border-radius: 8px; border: 1px solid rgb(255 255 255 / 0.15);
  background: transparent; color: #fff; font-size: 22px; line-height: 1; cursor: pointer;
}
.jk-drawer h4 {
  margin: 18px 0 6px; font-size: 0.72rem; letter-spacing: .08em; text-transform: uppercase;
  color: hsl(var(--secondary, 160 84% 39%));
}
.jk-drawer a {
  display: block; padding: 10px 8px; border-radius: 6px; color: rgb(255 255 255 / 0.85);
  text-decoration: none; font-size: 0.95rem;
}
.jk-drawer a:hover, .jk-drawer a[aria-current="page"] { background: rgb(255 255 255 / 0.06); color: #fff; }
.jk-drawer .jk-drawer__cta {
  margin-top: 20px; text-align: center; font-weight: 600; color: #fff;
  background: hsl(var(--primary)); padding: 12px;
}

/* active nav item */
header nav a[aria-current="page"] { color: hsl(var(--primary)); }

/* floating WhatsApp button */
.jk-wa {
  position: fixed; right: 18px; bottom: 18px; z-index: 80;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgb(0 0 0 / 0.35);
}
.jk-wa svg { width: 28px; height: 28px; }

@media (prefers-reduced-motion: reduce) {
  .jk-drawer, .jk-drawer-backdrop { transition: none; }
}