/* FitOS Brand Knowledge Base — public /brand page
   Uses theme tokens (--bg, --bg-card, --silver, --amber, --accent, --white,
   --font-display, --font-body, --max-w, --gutter) so the page sits native
   to the existing marketing surface. TBD visuals use --amber to make
   owner-input gaps unmistakable on first scroll. */

.brand-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px var(--gutter) 0;
}

/* ── Hero ────────────────────────────────────────── */
.brand-hero {
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.brand-hero .brand-section {
  text-align: center;
  margin: 0 auto;
}

/* ── Generic section block ───────────────────────── */
.brand-section-block {
  padding: 100px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.brand-section-block:last-of-type { border-bottom: none; }

.brand-section-block .brand-section { margin-bottom: 48px; }

/* ── Tagline card ────────────────────────────────── */
.brand-tagline-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 64px 56px;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.brand-tagline-text {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.brand-tagline-sub {
  font-size: 17px;
  color: var(--silver-mid);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Tone card ───────────────────────────────────── */
.brand-tone-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 56px 48px;
  max-width: 880px;
  margin: 0 auto;
}

.brand-tone-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  color: var(--rust);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 24px;
}

.brand-tone-paragraph {
  font-size: 17px;
  color: var(--silver);
  line-height: 1.7;
  margin-bottom: 16px;
}

.brand-tone-paragraph:last-child { margin-bottom: 0; }

/* ── Roots card ──────────────────────────────────── */
.brand-roots-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 56px 48px;
  max-width: 880px;
  margin: 0 auto;
}

.brand-roots-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.brand-roots-body {
  font-size: 16px;
  color: var(--silver-mid);
  line-height: 1.7;
}

/* ── Status row (Palette / Typography / Logo / Voice) ─ */
.brand-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.brand-status-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-mid);
}

.tbd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px dashed var(--amber);
  color: var(--amber);
  background: rgba(245,197,107,0.06);
}

.tbd-badge--filled {
  border-style: solid;
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200,240,216,0.06);
}

.brand-owner-note {
  margin-top: 28px;
  font-size: 13px;
  font-style: italic;
  color: var(--silver-dim);
  line-height: 1.5;
}

/* ── Palette swatch grid ─────────────────────────── */
.brand-swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.brand-swatch {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.brand-swatch.tbd { border-style: dashed; border-color: rgba(245,197,107,0.4); }

.brand-swatch-chip {
  width: 100%;
  height: 96px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-swatch-chip.tbd {
  border-style: dashed;
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(245,197,107,0.04);
}

.brand-swatch-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.brand-swatch-role {
  font-size: 12px;
  color: var(--silver-dim);
  letter-spacing: 0.04em;
}

/* ── Typography pairs ───────────────────────────── */
.brand-type-pairs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand-type-pair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 28px 32px;
  gap: 32px;
}

.brand-type-pair.tbd { border-style: dashed; border-color: rgba(245,197,107,0.4); }

.brand-type-side {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-type-divider {
  width: 1px;
  background: rgba(255,255,255,0.08);
}

.brand-type-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.brand-type-font {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.brand-type-pair.tbd .brand-type-font { color: var(--amber); }

.brand-type-weights {
  font-size: 13px;
  color: var(--silver-mid);
}

.brand-type-sample {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--white);
  line-height: 1.3;
  font-size: 28px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.brand-type-side:last-child .brand-type-sample {
  font-size: 15px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--silver);
}

/* ── Typography hierarchy (tier rows) ────────────── */
.brand-type-tiers {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.brand-type-tier {
  display: grid;
  grid-template-columns: 140px 1fr auto 2fr;
  align-items: baseline;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 24px 28px;
}

.brand-type-tier.tbd { border-style: dashed; border-color: rgba(245,197,107,0.4); }
.brand-type-tier.tbd .brand-type-tier-size,
.brand-type-tier.tbd .brand-type-tier-case,
.brand-type-tier.tbd .brand-type-tier-rule { color: var(--amber); }

.brand-type-tier-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.brand-type-tier-size {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.brand-type-tier-case {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.brand-type-tier-rule {
  font-size: 13px;
  color: var(--silver-mid);
  line-height: 1.5;
}

/* ── Logo usage ─────────────────────────────────── */
.brand-logo-frame {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}

.brand-logo-frame img { max-width: 360px; max-height: 200px; }

.brand-logo-placeholder {
  background: var(--bg-card);
  border: 1px dashed rgba(245,197,107,0.4);
  padding: 72px 32px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 32px;
}

.brand-logo-rules {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.brand-logo-rules li {
  position: relative;
  padding: 16px 20px 16px 48px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 15px;
  color: var(--silver);
  line-height: 1.5;
}

.brand-logo-rules li::before {
  content: '✓';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
}

/* ── Logo usage — four-subsection stack ─────────── */
.brand-logo-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.brand-logo-subnav a {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-mid);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid rgba(231,226,214,0.18);
  transition: color 0.2s, border-color 0.2s;
}

.brand-logo-subnav a:hover {
  color: var(--white);
  border-color: var(--rust);
}

.brand-logo-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.brand-logo-lockup-card,
.brand-logo-clearspace-card,
.brand-logo-minsize-card,
.brand-logo-dodont-card,
.brand-logo-badge-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand-logo-card-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.brand-logo-wordmark {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  word-break: break-word;
}

.brand-logo-caption {
  font-size: 13px;
  color: var(--silver-mid);
  line-height: 1.5;
  font-style: italic;
}

.brand-logo-clearspace-rule {
  font-size: 16px;
  color: var(--silver);
  line-height: 1.6;
}

.brand-logo-clearspace-diagram {
  position: relative;
  border: 1px dashed var(--silver-dim);
  padding: calc(var(--logo-cs, 64px) + 1em);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--bg);
}

.brand-logo-wordmark--cs {
  font-size: clamp(28px, 4vw, 44px);
}

.brand-logo-cs-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-dim);
  position: absolute;
  top: 8px;
  left: 16px;
}

.brand-logo-cs-tag--bottom {
  top: auto;
  bottom: 8px;
  left: auto;
  right: 16px;
}

.brand-logo-minsize-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.brand-logo-minsize-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 24px;
}

.brand-logo-minsize-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

.brand-logo-minsize-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.01em;
}

.brand-logo-minsize-equiv {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--silver-dim);
  letter-spacing: 0;
}

.brand-logo-minsize-sample {
  margin-top: 12px;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1;
}

.brand-logo-dodont-sub {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand-logo-subsub-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.brand-logo-dodont-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.brand-logo-dodont-tile {
  position: relative;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid rgba(231,226,214,0.08);
  min-height: 140px;
  overflow: hidden;
}

.brand-logo-dodont-tile--dont {
  border-style: dashed;
  border-color: rgba(166,69,43,0.5);
}

.brand-logo-dodont-tile--dont::after {
  content: '✕';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 900;
  color: var(--rust);
  opacity: 0.18;
  line-height: 1;
  pointer-events: none;
}

.brand-logo-pill {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 10px;
  align-self: flex-start;
}

.brand-logo-pill--do {
  background: rgba(200,240,216,0.08);
  color: var(--accent);
  border: 1px solid rgba(200,240,216,0.4);
}

.brand-logo-pill--dont {
  background: rgba(166,69,43,0.12);
  color: var(--rust);
  border: 1px solid rgba(166,69,43,0.5);
}

.brand-logo-wordmark--tile {
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.02em;
}

.brand-logo-wordmark--is-recolor {
  color: var(--rust);
  text-decoration: line-through;
  text-decoration-color: var(--rust);
}

.brand-logo-wordmark--is-stretch {
  transform: scaleX(1.4);
  transform-origin: left center;
}

.brand-logo-wordmark--is-rotate {
  transform: rotate(-8deg);
  transform-origin: center center;
}

.brand-logo-tile-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.85;
}

.brand-logo-tile-note {
  font-size: 12px;
  color: inherit;
  line-height: 1.4;
  opacity: 0.7;
  margin-top: auto;
}

.brand-logo-badge-card {
  background: var(--bg-alt);
  border-left: 3px solid var(--rust);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Voice examples ─────────────────────────────── */
.brand-voice-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand-voice-pair {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand-voice-pair.tbd { border-style: dashed; border-color: rgba(245,197,107,0.4); }

.brand-voice-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: start;
}

.brand-voice-pill {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 10px;
  text-align: center;
  align-self: start;
}

.brand-voice-pill--before {
  background: rgba(231,226,214,0.06);
  color: var(--silver-mid);
  border: 1px solid rgba(231,226,214,0.2);
}

.brand-voice-pill--after {
  background: rgba(166,69,43,0.12);
  color: var(--rust);
  border: 1px solid rgba(166,69,43,0.5);
}

.brand-voice-text {
  font-size: 15px;
  color: var(--silver);
  line-height: 1.6;
}

.brand-voice-pair.tbd .brand-voice-text { color: var(--amber); font-style: italic; }

/* ── CTA ─────────────────────────────────────────── */
.brand-cta {
  padding: 120px 0;
  background: var(--bg-alt);
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

.brand-cta .container { max-width: 720px; }

.brand-cta .cta-sub {
  color: var(--silver-mid);
  font-size: 16px;
  line-height: 1.6;
  margin: 16px auto 0;
  max-width: 560px;
}

.brand-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-top: 12px;
}

.brand-cta .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* ── Active nav state for brand link on this page ─ */
header nav a.active { color: var(--white); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1024px) {
  .brand-swatch-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .brand-wrap { padding: 96px var(--gutter) 0; }

  .brand-hero { padding-bottom: 56px; }

  .brand-section-block { padding: 72px 0; }
  .brand-section-block .brand-section { margin-bottom: 32px; }

  .brand-tagline-card,
  .brand-tone-card,
  .brand-roots-card { padding: 36px 24px; }

  .brand-swatch-grid { grid-template-columns: 1fr; }

  .brand-type-pair {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 20px;
  }

  .brand-type-divider {
    width: 100%;
    height: 1px;
  }

  .brand-type-tier {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px;
  }

  .brand-logo-frame { padding: 32px 20px; }

  .brand-logo-lockup-card,
  .brand-logo-clearspace-card,
  .brand-logo-minsize-card,
  .brand-logo-dodont-card { padding: 36px 24px; }

  .brand-logo-dodont-grid { grid-template-columns: 1fr; }

  .brand-logo-minsize-pair { grid-template-columns: 1fr; gap: 16px; }

  .brand-logo-subnav { gap: 6px; }
  .brand-logo-subnav a { padding: 7px 11px; }

  .brand-cta { padding: 80px 0; }

  .brand-voice-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}