/* Osteria Luce — design tokens */
:root {
  /* Palette — Tuscan editorial (default) */
  --bone: #F3EDE3;
  --bone-2: #EAE2D3;
  --bone-3: #D9CEB8;
  --ink: #1A1512;
  --ink-2: #3A322B;
  --ink-3: #6B5F54;
  --terracotta: #B04A2E;
  --terracotta-deep: #8A3621;
  --olive: #6B7049;
  --rose: #C99B8A;
  --line: rgba(26, 21, 18, 0.14);
  --line-strong: rgba(26, 21, 18, 0.32);

  /* Semantic */
  --bg: var(--bone);
  --fg: var(--ink);
  --muted: var(--ink-3);
  --accent: var(--terracotta);
  --accent-2: var(--olive);

  /* Type */
  --serif: 'Playfair Display', 'Bodoni Moda', Didot, 'Times New Roman', serif;
  --sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  /* Spacing */
  --pad-x: clamp(20px, 4vw, 64px);
  --gutter: clamp(16px, 2vw, 32px);

  /* Transitions */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Palette presets (Tweaks) */
html[data-palette="tuscan"] {
  --bone: #F3EDE3; --bone-2: #EAE2D3; --bone-3: #D9CEB8;
  --ink: #1A1512; --ink-2: #3A322B; --ink-3: #6B5F54;
  --terracotta: #B04A2E; --olive: #6B7049; --rose: #C99B8A;
}
html[data-palette="noir"] {
  --bone: #0E0C0A; --bone-2: #171310; --bone-3: #221C17;
  --ink: #EFE6D6; --ink-2: #C9BFAE; --ink-3: #8E8372;
  --terracotta: #D97A52; --olive: #A7A879; --rose: #E3B39C;
  --line: rgba(239, 230, 214, 0.12);
  --line-strong: rgba(239, 230, 214, 0.32);
}
html[data-palette="limone"] {
  --bone: #F5F1E4; --bone-2: #ECE3C8; --bone-3: #DCCE99;
  --ink: #1E2A1C; --ink-2: #374A32; --ink-3: #6A7863;
  --terracotta: #6F8A3A; --olive: #C6A545; --rose: #D8C27A;
  --line: rgba(30, 42, 28, 0.14);
  --line-strong: rgba(30, 42, 28, 0.32);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); color: var(--fg); }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

::selection { background: var(--ink); color: var(--bone); }

.serif { font-family: var(--serif); }
.sans { font-family: var(--sans); }
.mono { font-family: var(--mono); }

.label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}
.num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  width: 100%;
}

.hairline { border-top: 1px solid var(--line); }
.hairline-strong { border-top: 1px solid var(--line-strong); }

/* Page transition */
.page-fade {
  animation: page-fade 700ms var(--ease) both;
}
@keyframes page-fade {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Magnetic cursor aid */
.reveal-item { cursor: pointer; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 200ms var(--ease);
  text-decoration: none;
}
.btn:hover { background: var(--ink); color: var(--bone); }
.btn.filled { background: var(--ink); color: var(--bone); }
.btn.filled:hover { background: var(--terracotta); border-color: var(--terracotta); color: var(--bone); }
.btn.accent { background: var(--terracotta); border-color: var(--terracotta); color: var(--bone); }
.btn.accent:hover { background: var(--ink); border-color: var(--ink); }

/* Container */
.wrap { padding-inline: var(--pad-x); }

/* Grid helpers */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

/* Reveal on scroll */
.r-in { opacity: 0; transform: translateY(18px); transition: opacity 900ms var(--ease), transform 900ms var(--ease); }
.r-in.on { opacity: 1; transform: translateY(0); }

/* Striped placeholder (editorial) */
.ph {
  background-color: var(--bone-2);
  background-image: repeating-linear-gradient(135deg,
    rgba(26,21,18,0.08) 0,
    rgba(26,21,18,0.08) 2px,
    transparent 2px,
    transparent 14px);
  position: relative;
  overflow: hidden;
}
.ph::after {
  content: attr(data-label);
  position: absolute;
  left: 14px; bottom: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--bone);
  padding: 4px 8px;
  border: 1px solid var(--line);
}

/* Marquee */
@keyframes marquee-x {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee {
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  animation: marquee-x 40s linear infinite;
}