/* header.css — ValReparo · sticky header + mobile overlay menu */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff; /* solid — no backdrop-filter (containing-block trap) */
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.wordmark {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--primary-deep);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  letter-spacing: -.3px;
}
.wordmark:hover { text-decoration: none; }
.wordmark__mark {
  width: 30px; height: 30px;
  display: inline-block;
}
.wordmark b { color: var(--accent); font-weight: 700; }

.topbar__nav { display: none; }
.topbar__links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.topbar__links a {
  color: var(--text);
  font-weight: 600;
  font-size: .98rem;
  padding: 6px 0;
}
.topbar__links a:hover { color: var(--primary-light); text-decoration: none; }
.topbar__cta { display: none; }

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px; height: 48px;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--primary-deep);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile overlay */
.mobile-panel {
  position: fixed;
  inset: 0;
  z-index: 150; /* above header z=100 */
  background: var(--primary-deep);
  color: #fff;
  padding: 90px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  transition: transform .3s var(--ease);
  overflow-y: auto;
}
.mobile-panel[data-open="true"] { transform: translateX(0); }
.mobile-panel a {
  color: #fff;
  font-family: var(--ff-display);
  font-size: 1.35rem;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.mobile-panel a:hover { text-decoration: none; color: var(--text-onDark); }
.mobile-panel .btn { margin-top: 22px; font-size: 1.05rem; }
.mobile-panel__close {
  position: absolute;
  top: 22px; right: 22px;
  width: 46px; height: 46px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

body.menu-open { overflow: hidden; }

@media (min-width: 940px) {
  .menu-toggle { display: none; }
  .mobile-panel { display: none; }
  .topbar__nav { display: block; }
  .topbar__cta { display: inline-flex; }
}