/* Domenico Design System — Core primitives, recreated as reusable CSS
   components. One class per primitive; modifiers mirror the props of the
   React sources in project/components/. The brand is FLAT: sharp corners,
   1px hairlines, no shadows — depth comes from color inversion. */

/* ------------------------------------------------------------------ *
 * Wordmark — dynamic brand logo: any name + a constant cobalt period. *
 * ------------------------------------------------------------------ */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--wordmark-size, 21px);
  letter-spacing: -.01em;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink);
  user-select: none;
}
.wordmark__dot            { color: var(--cobalt); }
.wordmark--paper          { color: var(--paper); }
.wordmark--paper  .wordmark__dot { color: var(--cobalt); }
.wordmark--cobalt         { color: var(--paper); }   /* on a cobalt field */
.wordmark--cobalt .wordmark__dot { color: var(--paper); }

/* Monogram form (favicon / avatar): square initials + dot. */
.mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--mark-size, 40px);
  height: var(--mark-size, 40px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: var(--weight-black);
  font-size: calc(var(--mark-size, 40px) * .42);
  letter-spacing: -.04em;
  line-height: 1;
  user-select: none;
}
.mark__dot { color: var(--cobalt); }

/* ------------------------------------------------------------------ *
 * Button — mono label, sharp corners, 1px border, hover invert.       *
 *   .btn--filled | .btn--outline   ·   add .btn--on-color on a dark   *
 *   or cobalt field   ·   .btn--sm for the small size.                *
 * ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast);
}
.btn--sm { font-size: 12.5px; padding: 9px 16px; }

/* On paper */
.btn--filled  { background: var(--cobalt); color: var(--paper); border-color: var(--cobalt); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); }

/* On a cobalt / dark field */
.btn--on-color.btn--filled  { background: var(--paper); color: var(--cobalt); border-color: var(--paper); }
.btn--on-color.btn--outline { background: transparent; color: var(--paper); border-color: var(--paper); }

/* Hover invert — only on devices that actually hover (no sticky hover on touch) */
@media (hover: hover) {
  .btn:hover { transform: translateY(-1px); }
  .btn--filled:hover  { background: var(--cobalt-hover); border-color: var(--cobalt-hover); }
  .btn--outline:hover { background: var(--ink); color: var(--paper); }
  .btn--on-color.btn--filled:hover  { background: #fff; border-color: #fff; }
  .btn--on-color.btn--outline:hover { background: var(--paper); color: var(--cobalt); }
}
.btn { transition: background var(--dur-fast) var(--ease-out),
                   color var(--dur-fast) var(--ease-out),
                   border-color var(--dur-fast),
                   transform var(--dur-fast) var(--ease-out); }
.btn:active { transform: translateY(1px); }   /* tactile press, also on touch */

/* ------------------------------------------------------------------ *
 * Tag — hairline mono chip for topics / roles / metadata.             *
 * ------------------------------------------------------------------ */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  white-space: nowrap;
}
.tag--paper  { color: var(--paper);  border-color: rgba(233, 229, 215, .4); }
.tag--cobalt { color: var(--cobalt); border-color: var(--cobalt); }

/* ------------------------------------------------------------------ *
 * SectionHeader — oversized Bricolage number + mono eyebrow + rule.   *
 *   Pane context sets --sh-accent / --sh-line / --sh-sub.             *
 * ------------------------------------------------------------------ */
.section-header {
  display: flex;
  align-items: flex-end;
  gap: clamp(16px, 2vw, 28px);
  margin-bottom: 44px;
}
.section-header__number {
  flex: none;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(40px, 7vw, 104px);
  line-height: .78;
  color: var(--sh-accent, var(--cobalt));
}
.section-header__rule {
  flex: 1;
  min-width: 0;
  border-bottom: 1px solid var(--sh-line, var(--ink));
  padding-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.section-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--sh-accent, var(--cobalt));
}
.section-header__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--sh-sub, var(--ink-sub));
  white-space: nowrap;
}

/* ------------------------------------------------------------------ *
 * Card — bordered content cell, 1px hairline, optional hover tint.    *
 * ------------------------------------------------------------------ */
.card {
  border: 1px solid var(--card-line, var(--ink));
  border-radius: 0;
  padding: clamp(22px, 2.4vw, 32px);
  background: transparent;
  display: flex;
  flex-direction: column;
  transition: background var(--dur-fast) var(--ease-out);
}
@media (hover: hover) { .card--interactive:hover { background: var(--card-tint, var(--cobalt-tint)); } }