/* Alluvia — Contemporary Private Estate / Riverside Wellness.
   Tên biến giữ như bản cũ (--cyan = màu tương tác chính, nay là champagne) để mọi trang dùng chung đổi theo.
   Nền tối: charcoal xanh ấm; nền sáng (.lx-light): parchment. Tương phản đã đo — xem docs/luxury_implementation_results. */
@import url('fonts/fonts.css');
:root{
  --bg:#171b18;--surface:#1d221e;--surface2:#232a25;--surface3:#2b332d;
  --border:#353f37;--border-strong:#4b574d;
  --text:#f4efe6;--muted:#b9beb6;--faint:#90978e;
  --cyan:#c7ad79;--cyan-soft:#2a2820;--cyan-line:#7e6c49;   /* tương tác: champagne */
  --gold:#c7ad79;--champagne:#c7ad79;--champagne-soft:#d9c59c;
  --parchment:#f4efe6;--ivory:#fffcf6;--bronze:#75582f;--forest:#213d32;--ink:#252b24;
  --water:#86aac8;--green:#86c9a8;--amber:#e3b25f;--red:#e5847b;--violet:#b0a3d6;
  --radius:12px;--radius-sm:6px;
  --font:'Be Vietnam Pro','Segoe UI','Noto Sans','Microsoft JhengHei',system-ui,sans-serif;
  --font-display:'Noto Serif Display',Cambria,Georgia,'Times New Roman',serif;
  --ease:cubic-bezier(.2,.7,.2,1);--dur:200ms;
  --gutter:clamp(20px,4vw,64px);--section:clamp(48px,7vw,112px);
  color-scheme:dark;
}
@media (prefers-reduced-motion:reduce){:root{--dur:0ms}*{animation-duration:0ms!important;transition-duration:0ms!important}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--cyan)}
:focus-visible{outline:2px solid var(--champagne-soft);outline-offset:3px}
[hidden]{display:none!important}
.sev-critical{color:var(--red)}.sev-high{color:var(--amber)}.sev-attention{color:var(--cyan)}