/* MAISON AURÈLE — custom palette on the Infera "Onyx" kit base: deep midnight-blue & gold, always-on dark luxury theme. */
:root {
  --bg: #080b16;
  --surface: #0d1224;
  --elevated: #121833;
  --fg: #f4f0e6;
  --muted: #9aa3c4;
  --line: #22284a;
  --brand: #cda45e;
  --brand-contrast: #0a0e1c;
  --accent: #e8c88a;
  --radius: 2px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.3);
  --shadow-2: 0 8px 24px rgba(0,0,0,.45), 0 2px 6px rgba(0,0,0,.3);
  --shadow-3: 0 24px 60px rgba(0,0,0,.55), 0 8px 16px rgba(0,0,0,.35);
  --font-heading: 'Cormorant Garamond', 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: 220ms;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #080b16;
    --surface: #0d1224;
    --elevated: #121833;
    --fg: #f4f0e6;
    --muted: #9aa3c4;
    --line: #22284a;
    --brand: #cda45e;
    --brand-contrast: #0a0e1c;
    --accent: #e8c88a;
    --shadow-1: 0 1px 2px rgba(0,0,0,.35);
    --shadow-2: 0 8px 24px rgba(0,0,0,.45);
    --shadow-3: 0 24px 60px rgba(0,0,0,.55);
  }
}
:root[data-theme="dark"] {
  --bg: #080b16;
  --surface: #0d1224;
  --elevated: #121833;
  --fg: #f4f0e6;
  --muted: #9aa3c4;
  --line: #22284a;
  --brand: #cda45e;
  --brand-contrast: #0a0e1c;
  --accent: #e8c88a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 { font-family: var(--font-heading); line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 .4em; font-weight: 600; }
h1 { font-size: clamp(2.1rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
a { color: var(--brand); text-decoration: none; }
a:hover { opacity: .85; }
p { color: var(--fg); }
small, .muted { color: var(--muted); }
hr { border: none; border-top: 1px solid var(--line); }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1); }
.elev-2 { box-shadow: var(--shadow-2); }
.elev-3 { box-shadow: var(--shadow-3); }

.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .9rem 1.8rem; border-radius: var(--radius);
  font: 600 .8rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; cursor: pointer; border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: var(--brand-contrast); box-shadow: var(--shadow-1); }
.btn-primary:hover { box-shadow: var(--shadow-2); background: var(--accent); }
.btn-ghost { background: transparent; color: var(--fg); border-color: color-mix(in srgb, var(--fg) 35%, transparent); }
.btn-ghost:hover { background: color-mix(in srgb, var(--fg) 8%, transparent); border-color: var(--fg); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: calc(var(--radius) / 2);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: infera-reveal linear both; animation-timeline: view(); animation-range: entry 0% cover 28%; }
  @keyframes infera-reveal { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
  .hover-lift { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
  .hover-lift:hover { transform: translateY(-5px); box-shadow: var(--shadow-3); }
}