/* Margarita Creative - brand book
   Identity surface. UI chrome is sharp. Petals stay organic ellipses.
   Tokens inherit from site.css. */

.brand-book { --bb-toc: 11.5rem; }

.bb-cover {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8.5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}
@media (min-width: 860px) {
  .bb-cover { padding-top: 11rem; padding-bottom: 6rem; }
}

.bb-cover__bloom {
  position: absolute;
  right: -4rem;
  top: 18%;
  opacity: 0.95;
  pointer-events: none;
}
@media (min-width: 860px) {
  .bb-cover__bloom { right: 6%; top: 16%; }
}
.bb-cover .footer-bloom { padding-top: 0; }
.bb-cover .footer-bloom__field { width: 220px; height: 220px; }
.bb-cover .footer-bloom__petal {
  width: 26px; height: 80px;
  margin-left: -13px; margin-top: -80px;
}
.bb-cover .footer-bloom__center {
  width: 42px; height: 42px; margin: -21px;
}
@media (min-width: 860px) {
  .bb-cover .footer-bloom__field { width: 320px; height: 320px; }
  .bb-cover .footer-bloom__petal {
    width: 38px; height: 116px;
    margin-left: -19px; margin-top: -116px;
  }
  .bb-cover .footer-bloom__center {
    width: 62px; height: 62px; margin: -31px;
  }
}

.bb-cover .footer-bloom__field {
  animation: bloom-in 0.28s cubic-bezier(0.23, 1, 0.32, 1) both;
}
@keyframes bloom-in {
  from { transform: scale(0.84); opacity: 0; filter: blur(8px); }
  to { transform: scale(1); opacity: 1; filter: none; }
}

.bb-kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin: 0 0 1.25rem;
}
.band-olive .bb-kicker, .band-deep .bb-kicker { color: var(--cream-muted); }

.bb-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 240, 230, 0.16);
  max-width: 40rem;
}
.bb-meta b {
  display: block;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--cream);
}
.bb-meta span { color: var(--cream-muted); font-size: 0.92rem; }

/* Layout: toc + pages */
.bb-shell {
  display: grid;
  gap: 2.5rem;
  padding-top: 2.5rem;
}
@media (min-width: 1080px) {
  .bb-shell {
    grid-template-columns: var(--bb-toc) minmax(0, 1fr);
    gap: 4rem;
    align-items: start;
  }
}

.bb-toc {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.25rem 0 0.75rem;
  margin: 0 -1.5rem;
  padding-inline: 1.5rem;
  -webkit-overflow-scrolling: touch;
}
.bb-toc a {
  flex: none;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--alabaster);
  white-space: nowrap;
}
.bb-toc a[aria-current="true"],
.bb-toc a:hover { color: var(--olive); border-color: var(--olive); background: var(--alabaster-soft); }
@media (min-width: 1080px) {
  .bb-toc {
    position: sticky;
    top: 6.5rem;
    display: grid;
    gap: 0;
    overflow: visible;
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--line);
  }
  .bb-toc a {
    border: 0;
    border-radius: 0;
    padding: 0.55rem 0 0.55rem 1rem;
    background: transparent;
    white-space: normal;
  }
  .bb-toc a[aria-current="true"] {
    background: transparent;
    color: var(--terracotta);
    box-shadow: inset 2px 0 0 var(--terracotta);
  }
}

.bb-pages { min-width: 0; }
.bb-sec {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}
.bb-sec:first-child { border-top: 0; padding-top: 3rem; }
@media (min-width: 860px) {
  .bb-sec { padding: 6.5rem 0; }
}
.bb-sec__head { max-width: 40rem; margin-bottom: 2.5rem; }
.bb-num {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terracotta);
  display: block;
  margin-bottom: 0.85rem;
}

.bb-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 720px) {
  .bb-grid-2 { grid-template-columns: 1fr 1fr; gap: 1.75rem; }
  .bb-grid-3 { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .bb-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
}
@media (max-width: 719px) {
  .bb-grid-4 { grid-template-columns: 1fr 1fr; }
}

.bb-card {
  border: 1px solid var(--line);
  background: var(--alabaster);
  padding: 1.5rem;
  border-radius: 0;
}
.bb-card h3 { margin: 1rem 0 0.4rem; font-size: 1.15rem; }
.bb-card p:last-child { margin-bottom: 0; }
.bb-card .cap {
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin: 0.85rem 0 0;
  letter-spacing: 0.02em;
}

.bb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  padding: 2rem;
  border: 1px solid var(--line);
  overflow: hidden;
}
.bb-stage img { width: auto; height: auto; max-width: 88%; max-height: 180px; }

.bb-stage--alabaster { background: var(--alabaster); }
.bb-stage--soft { background: var(--alabaster-soft); }
.bb-stage--olive { background: var(--olive); }
.bb-stage--deep { background: var(--olive-deep); }
.bb-stage--wash {
  background-color: var(--alabaster);
  background-image: url("../brand/patterns/terracotta-wash.svg");
  background-size: cover;
}
.bb-stage--pattern {
  background-color: var(--alabaster);
  background-image: url("../brand/patterns/petal-field.svg");
  background-size: 160px 160px;
}
.bb-stage--pattern-olive {
  background-color: var(--olive);
  background-image: url("../brand/patterns/petal-field-olive.svg");
  background-size: 160px 160px;
}
.bb-stage--lattice {
  background-color: var(--alabaster);
  background-image: url("../brand/patterns/olive-lattice.svg");
  background-size: 48px 48px;
}
.bb-stage--dots {
  background-color: var(--olive);
  background-image: url("../brand/patterns/terracotta-dots.svg");
  background-size: 64px 64px;
}
.bb-stage--stripes {
  background-color: var(--alabaster);
  background-image: url("../brand/patterns/olive-stripes.svg");
  background-size: 64px 64px;
}
.bb-stage--geo {
  background-color: var(--alabaster-dim);
  background-image: url("../brand/patterns/geo-blocks.svg");
  background-size: 80px 80px;
}
.bb-stage--axis {
  background-color: var(--alabaster);
  background-image: url("../brand/patterns/petal-axis.svg");
  background-size: 96px 96px;
}

.bb-drift {
  animation: pattern-drift 42s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}
@keyframes pattern-drift {
  0%, 100% { background-position: 0 0; }
  50% { background-position: 72px 40px; }
}

.bg-photo-overlay {
  position: relative;
  background: var(--olive-deep);
  isolation: isolate;
}
.bg-photo-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("../brand/patterns/petal-field-olive.svg");
  background-size: 180px 180px;
  opacity: 0.55;
}
.bg-photo-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(55, 64, 44, 0.35), rgba(32, 38, 26, 0.78)),
    radial-gradient(ellipse at 30% 20%, rgba(191, 90, 46, 0.18), transparent 55%);
  pointer-events: none;
}
.bg-photo-overlay > * { position: relative; z-index: 2; }

/* Clear space diagram */
.bb-clear {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 280px;
  background: var(--alabaster-soft);
  border: 1px dashed var(--line);
}
.bb-clear__box {
  position: relative;
  width: 176px;
  height: 176px;
  border: 1px dashed var(--terracotta);
  display: grid;
  place-items: center;
}
.bb-clear__box img { width: 128px; height: 128px; }
.bb-clear__label {
  position: absolute;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
}
.bb-clear__label--n { top: -1.4rem; left: 50%; transform: translateX(-50%); }
.bb-clear__label--s { bottom: -1.4rem; left: 50%; transform: translateX(-50%); }
.bb-clear__label--w { left: -2.2rem; top: 50%; transform: translateY(-50%) rotate(-90deg); }
.bb-clear__label--e { right: -2.2rem; top: 50%; transform: translateY(-50%) rotate(90deg); }

.bb-mins { display: flex; flex-wrap: wrap; gap: 2rem; align-items: flex-end; }
.bb-mins figure { margin: 0; text-align: center; }
.bb-mins img { margin-inline: auto; }
.bb-mins figcaption { margin-top: 0.75rem; font-size: 0.8rem; color: var(--ink-faint); }

/* Don'ts: strike lives on the stage, never on the caption */
.bb-dont .bb-stage {
  position: relative;
  min-height: 160px;
  overflow: hidden;
}
.bb-dont .bb-stage::after {
  content: "";
  position: absolute;
  inset: 14% 16%;
  border: 2px solid var(--terracotta);
  pointer-events: none;
  transform: rotate(-18deg);
  opacity: 0.9;
}
.bb-dont .bb-stage::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 2px;
  background: var(--terracotta);
  transform: rotate(-18deg);
  z-index: 2;
  pointer-events: none;
}
.bb-dont h3 { color: var(--terracotta-deep); }

/* Color chips */
.bb-swatch { padding: 0; overflow: hidden; }
.bb-swatch__chip { height: 112px; }
.bb-swatch__meta { padding: 1.1rem 1.25rem 1.25rem; }
.bb-swatch__meta b { display: block; font-family: var(--sans); font-size: 0.95rem; margin-bottom: 0.2rem; }
.bb-swatch__meta code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* Type specimens */
.bb-type-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--olive);
  text-wrap: balance;
  margin: 0 0 1rem;
}
.bb-type-body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 38rem;
}
.bb-type-row {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 720px) {
  .bb-type-row { grid-template-columns: 8rem 1fr; align-items: baseline; }
}
.bb-type-row .lbl {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Icons */
.icon-tile {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--alabaster);
  min-height: 0;
  cursor: default;
  transition: transform 0.16s cubic-bezier(0.23, 1, 0.32, 1), border-color 0.16s cubic-bezier(0.23, 1, 0.32, 1);
}
.icon-tile:active { transform: scale(0.98); }
.icon-tile__well {
  display: grid;
  place-items: center;
  height: 112px;
  background: var(--alabaster-soft);
}
.icon-tile img {
  width: 56px;
  height: 56px;
  transition: transform 0.18s cubic-bezier(0.23, 1, 0.32, 1);
}
@media (hover: hover) {
  .icon-tile:hover { border-color: var(--olive); }
  .icon-tile:hover img { transform: rotate(-8deg) scale(1.06); }
}
.icon-tile span {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--olive);
}

.bb-rules {
  list-style: none;
  margin: 0;
  padding: 0;
}
.bb-rules li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
}
.bb-rules b { font-family: var(--sans); font-size: 0.98rem; color: var(--olive); }

.bb-voice {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 720px) { .bb-voice { grid-template-columns: 1fr 1fr; } }
.bb-voice article {
  padding: 1.75rem;
  border: 1px solid var(--line);
}
.bb-voice h3 { margin-top: 0; }
.bb-voice ul { margin: 0; padding-left: 1.15rem; }
.bb-voice li { margin-bottom: 0.55rem; }

.bb-note {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--alabaster-soft);
  border-left: 3px solid var(--terracotta);
  max-width: 42rem;
}
.bb-note p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .bb-cover .footer-bloom__field,
  .bb-drift,
  .icon-tile,
  .icon-tile img { animation: none !important; transition: none !important; }
}

@media print {
  .site-header, .nav-overlay, .site-footer, .bb-toc, .skip-link { display: none !important; }
  .bb-cover { min-height: auto; page-break-after: always; }
  .bb-sec { page-break-inside: avoid; padding: 2rem 0; }
  .bb-shell { display: block; }
  * { animation: none !important; }
  body { background: #fff; }
}