/* Wincar Brand Book */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', system-ui, sans-serif;
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

/* Header */
.bb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-scrolled);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.85rem 0;
}

.bb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.bb-header img { height: 36px; }

.bb-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-300);
}

.bb-nav a:hover { color: var(--accent); }

.bb-header__links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.bb-btn {
  display: inline-flex;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bb-btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--text-on-accent);
  box-shadow: var(--shadow-accent);
}

.bb-btn--outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
}

.bb-btn:hover { transform: translateY(-2px); }

/* Cover */
.bb-cover {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bb-cover__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.bb-cover h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.bb-cover__theme {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--navy-light);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.bb-cover__theme-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--navy));
}

.bb-cover p {
  max-width: 640px;
  color: var(--gray-300);
  font-size: 1.05rem;
}

/* Sections */
.bb-section {
  padding: 4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.bb-section--alt { background: var(--navy-light); }

.bb-section__num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.bb-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.bb-section__lead {
  color: var(--gray-300);
  max-width: 720px;
  margin-bottom: 2rem;
}

/* Logo */
.bb-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.bb-logo-card {
  background: var(--gray-100);
  color: var(--navy);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.bb-logo-card--dark {
  background: var(--navy-light);
  color: var(--white);
}

.bb-logo-card img { max-height: 56px; width: auto; }

.bb-plate {
  display: inline-block;
  padding: 1.25rem 2rem 1rem;
  background: #fff;
  border: 3px solid #0a1654;
  border-radius: 10px;
  position: relative;
  min-width: 280px;
}

.bb-plate::before,
.bb-plate::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: #0a1654;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.bb-plate::before { left: 10px; }
.bb-plate::after { right: 10px; }

.bb-plate__name {
  font-size: 2rem;
  font-weight: 800;
  color: #0a1654;
  letter-spacing: 0.04em;
  line-height: 1;
}

.bb-plate__tagline {
  font-size: 0.65rem;
  font-weight: 800;
  color: #c00000;
  letter-spacing: 0.14em;
  margin-top: 0.35rem;
}

/* Colors */
.bb-palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.bb-swatch {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--navy-light);
}

.bb-swatch__fill { height: 88px; }

.bb-swatch__info {
  padding: 0.75rem;
  font-size: 0.8rem;
}

.bb-swatch__name {
  font-weight: 700;
  display: block;
  margin-bottom: 0.2rem;
}

.bb-swatch__hex {
  font-family: ui-monospace, monospace;
  color: var(--gray-300);
  font-size: 0.75rem;
}

.bb-swatch__role {
  font-size: 0.7rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

/* Typography */
.bb-type-sample {
  background: var(--navy-light);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.bb-type-row {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bb-type-row:last-child { border-bottom: none; }

.bb-type-meta {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.bb-type-h1 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.02em; }
.bb-type-h2 { font-size: 1.75rem; font-weight: 800; }
.bb-type-body { font-size: 1rem; font-weight: 500; color: var(--gray-300); }
.bb-type-btn { font-size: 0.95rem; font-weight: 700; color: var(--accent); }

/* UI */
.bb-ui-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.bb-ui-card {
  background: var(--navy-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.bb-ui-card h4 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

/* Theme grid */
.bb-themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.bb-theme-card {
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--navy-light);
  transition: transform 0.2s ease, border-color 0.2s ease;
  font-family: inherit;
  text-align: left;
  padding: 0;
}

.bb-theme-card:hover { transform: translateY(-3px); border-color: var(--accent); }

.bb-theme-card.active { border-color: var(--accent); outline: 2px solid var(--accent); }

.bb-theme-card__preview {
  height: 64px;
  display: flex;
}

.bb-theme-card__preview span { flex: 1; }

.bb-theme-card__name {
  display: block;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--white);
}

/* Footer */
.bb-footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
  background: var(--footer-bg);
}

.bb-footer a { color: var(--accent); font-weight: 600; }

@media print {
  .theme-switcher { display: none; }
  .bb-header { position: static; }
}

@media (max-width: 768px) {
  .bb-nav { display: none; }
}