/* ==========================================================================
   BOALD — Components
   Small, reusable pieces shared across sections.
   ========================================================================== */

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2xs);
  font-size: var(--fs-ui);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  min-height: 44px; /* finger-sized on every screen */
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary — sand fill, ink text. Hover: no lift; a same-hue gradient sweeps
   in left→right under the text, and an arrow grows in on the right, widening
   the whole pill. */
.btn--primary {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background-color: color-mix(in srgb, var(--c-sand) 80%, transparent);
  color: var(--c-ink);
  box-shadow: var(--shadow-pill);
  transition: box-shadow var(--dur-fast) var(--ease-out);
}
.btn--primary::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, color-mix(in srgb, var(--c-sand) 90%, var(--c-cream-100)) 0%, var(--c-sand) 55%, color-mix(in srgb, var(--c-sand) 86%, var(--c-ink)) 100%);
  transform: translateX(-101%);
  transition: transform 0.45s var(--ease-out);
}
.btn--primary:hover { transform: none; color: var(--c-ink); }
.btn--primary:hover::before { transform: translateX(0); }
.btn--primary::after {
  content: "\2192";
  display: inline-block;
  width: 0; opacity: 0; overflow: hidden;
  margin-left: calc(-1 * var(--sp-2xs));
  transform: translateX(-6px);
  transition: width var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out), margin-left var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.btn--primary:hover::after { width: 1.05em; opacity: 1; margin-left: 0; transform: translateX(0); }
body.on-light .btn--primary { box-shadow: var(--shadow-pill-light); }

/* Ghost — hairline border, current text. Hover matches primary: no lift, a faint
   fill sweeps in left→right, and the arrow grows in on the right. */
.btn--ghost {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--border-subtle);
  color: var(--text-strong);
}
.btn--ghost::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--text-strong) 8%, transparent);
  transform: translateX(-101%);
  transition: transform 0.45s var(--ease-out);
}
.btn--ghost::after {
  content: "\2192";
  display: inline-block;
  width: 0; opacity: 0; overflow: hidden;
  margin-left: calc(-1 * var(--sp-2xs));
  transform: translateX(-6px);
  transition: width var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out), margin-left var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.btn--ghost:hover { transform: none; border-color: var(--text-strong); color: var(--text-strong); }
.btn--ghost:hover::before { transform: translateX(0); }
.btn--ghost:hover::after { width: 1.05em; opacity: 1; margin-left: 0; transform: translateX(0); }
/* touch / phones: no hover, so no growing arrow (the border change stays) */
@media (hover: none), (max-width: 767px) {
  .btn--ghost:hover::after, .btn--primary:hover::after { width: 0; opacity: 0; margin-left: calc(-1 * var(--sp-2xs)); transform: translateX(-6px); }
}

.btn .btn__arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .btn__arrow { transform: translate(2px, -2px); }

/* ---- Nav pill (floating segmented control) ------------------------------ */
.nav-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2xs);
  padding: 6px 8px;
  border-radius: var(--radius-md);
  /* opaque page-coloured fill so the background hairlines pass behind the pill;
     tracks the page's dark→light crossfade via --nav-light */
  background-color: color-mix(in srgb, var(--c-paper) calc(var(--nav-light, 0) * 100%), var(--c-ink));
  border: 1px solid rgba(247,247,242,0.08);
  box-shadow: none;
  transition: border-color var(--dur-fast) var(--ease-out);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
/* light-section variant: ink links, hairline border */
body.on-light .nav-pill { border-color: rgba(30,28,29,0.08); box-shadow: none; }
body.on-light .nav-pill__link { color: var(--c-ink); }
body.on-light .nav-pill__link:hover { background-color: rgba(30,28,29,0.07); color: var(--c-ink); }
body.on-light .nav-pill.has-bg .nav-pill__link:hover { background: transparent; }
body.on-light .nav-pill.has-bg:hover .nav-pill__link.is-active:not(:hover) { color: var(--c-ink); }
.nav-pill__link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-ui);
  font-weight: 500;
  color: var(--c-cream-88);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.nav-pill__link:hover { background-color: rgba(247,247,242,0.08); color: var(--c-cream-100); }
.nav-pill__link.is-active { background-color: var(--c-sand); color: var(--c-ink); }
/* sliding ink background — injected by JS; it glides to the hovered link and
   returns to the active one, replacing the static fills above */
.nav-pill__bg {
  position: absolute;
  top: 0; left: 0;
  height: 10px; width: 10px; /* JS sizes it */
  border-radius: var(--radius-sm);
  background: var(--c-sand);
  z-index: 0;
  transition: transform 0.4s var(--ease-out), width 0.4s var(--ease-out), height 0.4s var(--ease-out);
  will-change: transform, width;
}
.nav-pill.has-bg .nav-pill__link:hover { background: transparent; color: var(--c-ink); }
.nav-pill.has-bg .nav-pill__link.is-active { background: transparent; color: var(--c-ink); }
.nav-pill.has-bg .nav-pill__link { transition: color 0.25s var(--ease-out); }
.nav-pill.has-bg:hover .nav-pill__link.is-active:not(:hover) { color: var(--c-cream-88); }

/* ---- Logo mark ----------------------------------------------------------- */
.logo {
  display: inline-flex;
  align-items: flex-end;
  gap: 4px;
  color: currentColor;
}
.logo__mark { width: auto; height: 42px; color: inherit; }
.logo__dot {
  width: 6.4px; height: 6.4px;
  border-radius: 50%;
  background: currentColor;
  margin-bottom: 2px;
}

/* ---- Sand underline accent (short rule under headings) ------------------ */
.accent-rule {
  display: block;
  width: 157px;
  height: 2px;
  max-width: 60%;
  background-color: var(--c-sand-deep);
  border: 0;
}

/* ---- Giant ghost wordmark (background typography) ------------------------ */
.ghost-word {
  font-family: var(--font-sans);
  font-weight: 500;
  line-height: var(--lh-ghost);
  letter-spacing: var(--ls-tight);
  color: var(--ghost-color);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* ---- Eyebrow row (label + optional rule) -------------------------------- */
.eyebrow-row {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

/* ---- Thin vertical grid lines (decorative background) ------------------- */
.grid-lines {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  pointer-events: none;
  z-index: 0;
}
.grid-lines::before,
.grid-lines::after { content: none; }
.grid-lines > span {
  border-left: 1px solid var(--border-subtle);
  opacity: 0.5;
}

/* ---- Title lines: motion.js splits every animated title into .line-mask
   lines (and hero titles into .line-word words); the mask clips the rise --- */
/* the mask window runs well below the baseline so descenders AND the scribble
   underline sit inside it, then gets pulled back so layout is unchanged */
.line-mask { display: block; overflow: hidden; padding-bottom: 0.72em; margin-bottom: -0.72em; }
.line-mask > span { display: block; }
.line-word { display: inline-block; will-change: transform; }
/* split paragraph words for data-motion="words" */
.motion-word { display: inline; }

/* ---- Scribble underline (hand-drawn accent under a word) ----------------
   Geometry lives in vars so variants + the JS pen-draw layers stay in sync */
.scribble-word {
  position: relative;
  display: inline-block;
  white-space: nowrap;
  --scr-w: 86%;
  --scr-b: -0.22em;
}
.scribble-word::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: var(--scr-b);
  transform: translateX(-50%);
  width: var(--scr-w);
  aspect-ratio: 157 / 19;
  background: var(--c-sand-deep);
  -webkit-mask: url(../assets/scribble.svg) center / contain no-repeat;
  mask: url(../assets/scribble.svg) center / contain no-repeat;
  pointer-events: none;
}
/* pen-draw: JS swaps the static ::after for three band layers it animates */
.scribble-word.js-scribble::after { content: none; }
.scribble-layer {
  position: absolute;
  left: 50%;
  bottom: var(--scr-b);
  transform: translateX(-50%);
  width: var(--scr-w);
  aspect-ratio: 157 / 19;
  background: var(--c-sand-deep);
  -webkit-mask: url(../assets/scribble.svg) center / contain no-repeat;
  mask: url(../assets/scribble.svg) center / contain no-repeat;
  pointer-events: none;
}

/* ---- Engagement badge (live-status pill over case imagery) --------------- */
.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(25,24,24,0.75);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-family: var(--font-mono); font-variation-settings: "MONO" var(--mono-axis);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cream-100);
  white-space: nowrap;
}
.badge-live::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #5fc26d;
  box-shadow: 0 0 10px rgba(95,194,109,0.65);
  animation: badge-pulse 2.4s ease-in-out infinite;
}
@keyframes badge-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) { .badge-live::before { animation: none; } }

/* ---- Tag chip (scope-of-work label) --------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono); font-variation-settings: "MONO" var(--mono-axis);
  font-size: var(--fs-eyebrow); /* the label size (Quinn, 2026-10-08) */
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 4px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--text-strong) 8%, transparent);
  white-space: nowrap;
}
@media (max-width: 767px) {
  .tag { font-size: calc(var(--fs-eyebrow) * 0.72); padding: 3px 6px; }
  .casebento__tags { gap: 3px; }
}

/* ---- Card: case-study image tile ---------------------------------------- */
.case-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1568 / 615;
  background-color: var(--c-ink-deep);
  display: flex;
  align-items: flex-end;
}
.case-card__media { position: absolute; inset: 0; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; }
.case-card__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0) 55%);
}
.case-card__bar {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: 40px;
}
.case-card__title {
  font-size: var(--fs-h3);
  font-weight: 500;
  letter-spacing: var(--ls-tight);
  line-height: 1;
  color: var(--c-white);
}

/* ---- Decorative vertical hairlines (reusable across dark sections) ------- */
.section-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--c-cream-16) 0 1px, transparent 1px),
    linear-gradient(90deg, var(--c-cream-16) 0 1px, transparent 1px),
    linear-gradient(90deg, var(--c-cream-16) 0 1px, transparent 1px);
  background-repeat: no-repeat;
  background-position: 25% 0, 50% 0, 75% 0;
  opacity: 0.4;
}

/* ---- Image placeholder (striped) ---------------------------------------- */
.img-placeholder {
  position: relative;
  background-color: var(--c-ink-deep);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255,255,255,0.05) 0 1px,
    transparent 1px 12px
  );
  display: grid;
  place-items: center;
}
.img-placeholder::after {
  content: attr(data-label);
  font-family: var(--font-mono); font-variation-settings: "MONO" var(--mono-axis);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-cream-40);
}