/* ==========================================================================
   Il Gattopardo — shared design system
   Single source of truth for design tokens + shared components.
   Linked in every page's <head> BEFORE its inline <style>, so a page can
   still override locally, but new work should reach for these tokens/classes
   instead of hand-rolling magic numbers.
   ========================================================================== */

:root {
  /* ── palette ─────────────────────────────────────────────── */
  --c-bg:            #f3ead6;   /* page background (cream) */
  --c-surface:       #fff;      /* input / raised surface */
  --c-card:          #ede3cc;   /* card / note background */
  --c-text:          #1a1e16;   /* primary text */
  --c-text-body:     #4a443c;   /* body copy */
  --c-text-muted:    #8a8073;   /* secondary / meta */
  --c-label:         #5a5a52;   /* uppercase field labels */
  --c-accent:        #9c3a26;   /* terracotta */
  --c-accent-dark:   #7e2e1e;   /* terracotta hover */
  --c-gold:          #cba24e;   /* gold accent */
  --c-cream:         #f6efdc;   /* light text on dark */
  --c-ink:           #1a1e16;   /* dark button / footer ink */
  --c-border:        #d4c9b4;   /* input / pill border */
  --c-border-dot:    #c4b9a8;   /* radio dot ring */
  --c-hairline:      rgba(26,30,22,.12); /* dividers */
  --c-placeholder:   #b0a898;
  --c-err:           #9c3a26;

  /* ── typography ──────────────────────────────────────────── */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Hanken Grotesk', system-ui, -apple-system, sans-serif;

  --fs-eyebrow: 11px;   /* uppercase eyebrow / field label */
  --fs-meta:    12px;
  --fs-pill:    13.5px; /* radio pill text */
  --fs-body:    15px;   /* input / body */
  --fs-lead:    17px;

  --ls-eyebrow: .16em;  /* field labels */
  --ls-wide:    .22em;  /* section eyebrows */
  --ls-btn:     .1em;

  /* ── spacing scale (vertical rhythm) ─────────────────────── */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-label: 9px;      /* label → control */
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-field: 22px;     /* control → next label (form rhythm) */
  --sp-5: 28px;
  --sp-6: 36px;
  --sp-7: 44px;
  --sp-8: 56px;
  --sp-9: 80px;

  /* ── radii ───────────────────────────────────────────────── */
  --radius-sm:   2px;   /* inputs, buttons */
  --radius-img:  3px;
  --radius-card: 4px;
  --radius-pill: 30px;

  /* ── layout breakpoint ───────────────────────────────────── */
  --bp-stack: 1040px;
}

/* ── dark-mode token overrides ─────────────────────────────── */
[data-theme="dark"] {
  --c-bg:          #0f1209;
  --c-surface:     #181f13;
  --c-card:        #1c2117;
  --c-text:        #e4dac4;
  --c-text-body:   #bab29a;
  --c-text-muted:  #7a7870;
  --c-label:       #7a7870;
  --c-border:      #2e3829;
  --c-border-dot:  #3a4035;
  --c-hairline:    rgba(228,218,196,.15);
  --c-placeholder: #5a6052;
  --c-err:         #e07060;
}

/* ==========================================================================
   Shared components
   ========================================================================== */

/* ── divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1.5px solid var(--c-hairline);
  margin: 18px 0;
}

/* ── uppercase eyebrow label (section kicker) ────────────── */
.eyebrow {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

/* ── form field label ────────────────────────────────────── */
.field-label {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--c-label);
  margin-bottom: var(--sp-label);
}

/* ── text input ──────────────────────────────────────────── */
.field {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  font-size: var(--fs-body);
  font-family: inherit;
  color: var(--c-text);
  margin-bottom: var(--sp-field);
  transition: border-color .15s;
}
.field:focus       { outline: none; border-color: var(--c-accent); }
.field::placeholder { color: var(--c-placeholder); }

/* ── radio pills (circle-dot + label) ────────────────────── */
.radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: var(--sp-field);
}
.radio-opt { cursor: pointer; }
.radio-opt input { display: none; }
.radio-opt span {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px 9px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-pill);
  font-weight: 500;
  color: #3a3830;
  transition: all .15s;
  white-space: nowrap;
}
[data-theme="dark"] .radio-opt span { color: #c4b99a; }
.radio-opt span::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--c-border-dot);
  flex-shrink: 0;
  transition: all .15s;
}
.radio-opt input:checked ~ span {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-cream);
}
.radio-opt input:checked ~ span em { color: var(--c-cream) !important; }
.radio-opt input:checked ~ span::before {
  background: #fff;
  border-color: #fff;
  box-shadow: inset 0 0 0 3px var(--c-accent);
}

/* ── button (full-width dark CTA; .btn--accent for terracotta) ─ */
.btn {
  display: block;
  width: 100%;
  padding: 17px;
  background: var(--c-ink);
  color: var(--c-cream);
  border: 2px solid var(--c-ink);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: var(--ls-btn);
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover    { background: var(--c-accent); border-color: var(--c-accent); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
[data-theme="dark"] .btn        { background: var(--c-accent); border-color: var(--c-accent); }
[data-theme="dark"] .btn:hover  { background: var(--c-accent-dark); border-color: var(--c-accent-dark); }

/* ── responsive: long-labelled pickers stack full-width ──── */
@media (max-width: 1040px) {
  .radio-group--stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-2);
  }
  .radio-group--stack .radio-opt span {
    width: 100%;
    box-sizing: border-box;
  }
}
