/* === Aiona shared site chrome — colors, type, nav, footer === */
:root {
  --bg:        #E8DDCD;
  --bg-deeper: #24160F;
  --bg-warm:   #E5D8C8;
  --bg-card:   #2D1D15;
  --cream:     #F3EDE2;
  --cream-soft: rgba(243, 237, 226, 0.82);
  --cream-faint: rgba(232, 221, 205, 0.58);
  --ink:       #24160F;
  --body-copy: #4B372C;
  --muted:     #6E5848;
  --copper:    #9A7354;
  --copper-bright: #A9825F;
  --rule:      rgba(36, 22, 15, 0.14);
  --rule-strong: rgba(36, 22, 15, 0.24);
  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans:  'Inter Tight', system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--body-copy);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--ink); color: var(--cream); }
input, select, textarea { font-family: inherit; color: inherit; }

/* ===== NAV ===== */
nav.site-nav {
  position: sticky; top: 0; z-index: 50;
  padding: 24px 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  background: rgba(232, 221, 205, 0.94);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
nav.site-nav.scrolled {
  background: rgba(232, 221, 205, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--rule);
}
.nav-mark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--ink);
  line-height: 1;
}
.nav-mark a { color: var(--ink); }
.nav-center { display: flex; gap: 56px; justify-content: center; }
.nav-end {
  justify-self: end;
  display: flex; gap: 36px; align-items: center;
  font-size: 10.5px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--muted);
}
.nav-end a { transition: color .3s, opacity .3s; }
.nav-end a:hover { color: var(--ink); opacity: 1; }

/* ===== FOOTER ===== */
footer.site-footer {
  background: var(--bg-warm);
  padding: 34px 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
  border-top: 1px solid var(--rule);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-mark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.3em;
  color: var(--ink);
}
.footer-links { display: flex; gap: 36px; flex-wrap: wrap; }
.footer-links .group { display: flex; gap: 36px; flex-wrap: wrap; }
.footer-links .group.right { margin-left: auto; }
.footer-links a { transition: color .3s; }
.footer-links a:hover { color: var(--ink); }
.footer-social { display: flex; gap: 18px; align-items: center; color: var(--ink); }
.footer-social a {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--rule);
  transition: background .3s, color .3s;
}
.footer-social a:hover { background: var(--ink); color: var(--cream); }
.footer-bottom {
  padding: 18px 48px;
  background: var(--bg-warm);
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between;
  font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--muted);
}

/* ===== BUTTON BASE ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px;
  padding: 16px 34px;
  border: 1px solid rgba(36, 22, 15, 0.48);
  background: transparent;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition: background .35s, color .35s, border-color .35s;
}
.btn:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn.solid { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn.solid:hover { background: #3A281E; border-color: #3A281E; color: var(--cream); }
.btn.full { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

@media (max-width: 880px) {
  nav.site-nav { padding: 22px 24px; grid-template-columns: 1fr; gap: 16px; }
  .nav-center { display: none; }
  .nav-end {
    justify-self: start;
    flex-wrap: wrap;
    font-size: 10px;
    gap: 18px;
    letter-spacing: 0.2em;
  }
  .nav-mark { font-size: 24px; }
  footer.site-footer { grid-template-columns: 1fr; gap: 20px; text-align: center; padding: 32px 24px; }
  .footer-links,
  .footer-links .group {
    justify-content: center;
    gap: 18px;
    letter-spacing: 0.22em;
  }
  .footer-links .group.right { margin-left: 0; }
  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    text-align: center;
    padding: 14px 24px;
    line-height: 1.7;
  }
  .btn {
    width: 100%;
    min-height: 56px;
    padding: 18px 20px;
    letter-spacing: 0.22em;
  }
}