.site_header {
  position: relative; z-index: 20; height: 92px; background: #fff;
  .wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; width: min(100% - 160px, 1280px); }
  .brand { display: flex; flex-direction: column; justify-content: center; gap: 0; color: var(--brown); line-height: 1.1em; }
  .brand_name { font-family: var(--serif); font-size: 30px; font-weight: 600; }
  .brand_roman { margin-top: 6px; color: var(--gold); font-size: 11px; font-weight: 600; letter-spacing: .36em; }
  .site_nav { display: flex; align-items: center; gap: clamp(28px, 3.7vw, 54px); font-size: 17px; font-weight: 500; }
  .site_nav > a:not(.btn_ptn_1):hover { color: var(--gold); }
  .site_nav .btn_ptn_1 { width: 180px; height: 50px; padding-inline: 28px; }
  .nav_group {
    position: relative;
    > summary {
      display: inline-flex; align-items: center; gap: 9px;
      list-style: none; cursor: pointer;
      &::-webkit-details-marker { display: none; }
      &::after { width: 7px; height: 7px; margin-top: -4px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; content: ''; transform: rotate(45deg); transition: transform .2s ease; }
      &:hover, &:focus-visible { color: var(--gold); }
      &:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; }
    }
    &[open] > summary::after { margin-top: 4px; transform: rotate(225deg); }
    &.is_current > summary { color: var(--brown); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 9px; }
    .nav_choices {
      position: absolute; z-index: 30; top: calc(100% + 18px); left: -28px;
      width: 230px; display: grid; gap: 5px; padding: 10px;
      background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 28px #3c281626;
      > a {
        min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px;
        color: var(--brown); font-size: 15px; white-space: nowrap;
        &::after { color: var(--gold); content: '→'; }
        &:hover, &:focus-visible, &[aria-current="page"] { background: #fbf5e5; }
        &:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
      }
    }
    @media (max-width: 900px) {
      width: 100%;
      > summary { justify-content: space-between; padding: 14px 8px; border-bottom: 1px solid var(--line); }
      .nav_choices { position: static; width: 100%; margin-top: 6px; padding: 6px 0 10px; border: 0; box-shadow: none; }
      .nav_choices > a { min-height: 44px; padding: 10px 16px; }
    }
  }
  .menu_toggle { display: none; }
  @media (max-width: 1100px) {
    .wrap { width: min(100% - 96px, 1280px); }
    .site_nav { gap: 20px; font-size: 15px; }
    .site_nav .btn_ptn_1 { width: 142px; padding-inline: 18px; font-size: 16px; }
  }
  @media (max-width: 900px) {
    height: 76px;
    .wrap { width: min(100% - 40px, 1280px); }
    .brand_name { font-size: 25px; }
    .brand_roman { font-size: 9px; }
    .menu_toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
    .menu_toggle span { display: block; width: 26px; height: 2px; background: var(--brown); }
    .site_nav { position: absolute; top: 76px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 24px; background: #fff; box-shadow: 0 12px 16px #3c28161a; font-size: 16px; }
    .site_nav.is_open { display: flex; }
    .site_nav > a:not(.btn_ptn_1) { padding: 14px 8px; border-bottom: 1px solid var(--line); }
    .site_nav .btn_ptn_1 { width: 100%; height: 48px; margin-top: 18px; padding-inline: 18px; }
  }
}

.sec_hero {
  position: relative; display: flex; align-items: center; min-height: 628px; overflow: hidden; isolation: isolate;
  background: #fbf5e5 url('/assets/hero-yinyang-scroll-ornate-spindle.webp') center / cover no-repeat;
  &::before { position: absolute; z-index: -1; inset: 0; background: #d9aa50; content: ''; opacity: .13; }
  &::after { position: absolute; z-index: -1; inset: 0 42% 0 0; background: linear-gradient(90deg, #fbf5e5 0%, #fbf5e5f5 53%, #fbf5e500 100%); content: ''; }
  .wrap { position: relative; }
  .hero_main { max-width: 750px; padding-bottom: 4px; }
  .hero_eyebrow { display: inline-block; padding-bottom: 16px; border-bottom: 2px solid var(--gold); color: var(--brown); font-size: 17px; font-weight: 600; letter-spacing: .22em; }
  h1 { margin-top: 57px; color: var(--brown); font-family: var(--serif); font-size: clamp(48px, 4.4vw, 65px); font-weight: 600; line-height: 1.32em; white-space: nowrap; }
  .hero_lead { margin-top: 38px; font-size: 20px; line-height: 1.68em; }
  .btn_ptn_1 { width: 300px; min-height: 64px; margin-top: 32px; padding-inline: 28px; }
  @media (max-width: 1100px) {
    min-height: 580px;
    h1 { font-size: clamp(40px, 5vw, 56px); }
  }
  @media (max-width: 700px) {
    align-items: flex-end; min-height: 670px;
    &::after { inset: 0; background: linear-gradient(0deg, #fbf5e5 0%, #fbf5e5f5 35%, #fbf5e580 65%, #fbf5e500 100%); }
    background-position: 64% top;
    .hero_main { padding-block: 270px 42px; }
    .hero_eyebrow { padding-bottom: 10px; font-size: 12px; letter-spacing: .14em; }
    h1 { margin-top: 23px; font-size: clamp(30px, 8vw, 46px); line-height: 1.45em; white-space: normal; }
    .hero_lead { margin-top: 18px; font-size: 14px; line-height: 1.8em; }
    .btn_ptn_1 { width: min(100%, 300px); min-height: 56px; margin-top: 22px; font-size: 16px; }
  }
}