/* =========================
   Page Header + Nav
   ========================= */

.pageHeaderNav {
  background: var(--phn-bg, #fffef2);
  padding: clamp(26px, 4vw, 56px) 0 0;
  z-index: 0;
}

/* Top title area */
.pageHeaderNav__top {
  text-align: center;
  padding-bottom: clamp(14px, 2.4vw, 24px);
   z-index: 0;
}

.pageHeaderNav__eyebrow {
  font-family: "Suisse Int'l", "Suisse Intl", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(17, 17, 17, 0.72);
  margin-bottom: 10px;
}

.pageHeaderNav__title {
  margin: 0;
  font-family: "Optima", "URW Classico", "Segoe UI", serif;
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 56px);
  line-height: 1.05;
  color: #111;
}

/* =========================
   Nav Tabs
   ========================= */

.pageHeaderNav__nav {
  border-top: 1px solid rgba(0,0,0,0.10);
  border-bottom: 1px solid rgba(0,0,0,0.10);
  background: var(--phn-bg, #fffef2);
}

/* sticky on/off */
.pageHeaderNav__nav.is-sticky {
  position: relative;
  top: 0;
  z-index: 1;
}

/* Desktop default: 不滚动 */
.pageHeaderNav__tabs {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 34px);
  padding: 14px 0;
  z-index: 0;
  overflow-x: visible;
}

/* tab */
.pageHeaderNav__tab {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  text-decoration: none;

  font-family: "Suisse Int'l", "Suisse Intl", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;

  color: rgba(17,17,17,0.78);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.pageHeaderNav__tab:hover {
  color: #111;
}

.pageHeaderNav__tab.is-active {
  color: #111;
  border-bottom-color: rgba(17,17,17,0.55);
}

/* =========================
   Mobile: 溢出才出现横向滚动 + 显示滚动条
   ========================= */
@media (max-width: 560px) {

  .pageHeaderNav {
    padding-top: 22px;
  }

  .pageHeaderNav__tabs {
    justify-content: flex-start;
    padding-left: 12px;
    padding-right: 12px;

    overflow-x: auto;
    overflow-y: hidden;

    -webkit-overflow-scrolling: touch;

    /* ✅ 如果你之前有 scrollbar-width:none，这里强制改回来 */
    scrollbar-width: thin !important;                 /* Firefox */
    scrollbar-color: rgba(0,0,0,0.35) transparent;    /* Firefox */

    /* ✅ 给滚动条留位置（支持的浏览器会更稳定可见） */
    scrollbar-gutter: stable both-edges;
  }

  /* 不让 tab 被压缩，否则不会滚 */
  .pageHeaderNav__tabs > * {
    flex: 0 0 auto;
  }

  /* ✅ 如果你之前写了 ::-webkit-scrollbar { display:none }，这里强制覆盖 */
  .pageHeaderNav__tabs::-webkit-scrollbar {
    height: 6px !important;
  }
  .pageHeaderNav__tabs::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.35);
    border-radius: 3px;
  }
  .pageHeaderNav__tabs::-webkit-scrollbar-track {
    background: transparent;
  }
}