/* css/topbar.css */

/* Height token (override per-page if you need) */
:root { --nav-h: 56px; }

/* ===== TOP BAR ===== */
.topnav {
  position: fixed;
  inset: 0 0 auto 0;               /* top:0; left:0; right:0 */
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  z-index: 1000;
  color: #000;
  background: linear-gradient(to bottom, rgba(0,0,0,.06), rgba(0,0,0,0));
  backdrop-filter: blur(4px);
  font-family: "Playfair Display", serif;
  font-size: 18px;
}

/* Left brand */
.brand {
  text-decoration: none;
  color: #000;
  font-weight: 300;                 /* matches your page */
  letter-spacing: .04em;
}

/* Centered page title */
.page-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: #000;
  font-weight: 600;
}

/* Right link list */
.menu {
  margin-left: auto;
  display: flex;
  gap: 22px;
}
.menu a {
  color: #000;
  text-decoration: none;
  font-weight: 300;                 /* matches your page */
  transition: opacity .2s ease;
}
.menu a:hover { opacity: .85; }
.menu a.active { border-bottom: 2px solid #000; padding-bottom: 2px; }

/* Burger toggle */
#nav-toggle { display: none; }
.burger {
  width: 34px; height: 28px;
  display: none;
  margin-left: auto;
  cursor: pointer;
}
.burger span {
  display: block;
  height: 3px;
  background: #000;
  margin: 6px 0;
  transition: .25s;
}

/* ===== MOBILE MENU ===== */
@media (max-width: 800px) {
  .burger { display: block; }

  .menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
    border-top: 1px solid rgba(0,0,0,.1);
  }
  .menu a {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(0,0,0,.08);
  }

  #nav-toggle:checked ~ .menu { max-height: 70vh; }
  #nav-toggle:checked + .burger span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  #nav-toggle:checked + .burger span:nth-child(2) { opacity: 0; }
  #nav-toggle:checked + .burger span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
}