/* Master Artisanal Bookbinding Styling for Buller San Telmo */
:root {
  --taller-burgundy: #4a1525;
  --taller-dark: #1f070e;
  --taller-gold: #d4af37;
  --taller-cream: #fdfbf7;
  --taller-border: #e5ded3;
  --taller-text: #3b3530;
}

body {
  background-color: var(--taller-cream);
  color: var(--taller-text);
  font-family: 'Georgia', serif;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Unbounded', sans-serif;
  color: var(--taller-dark);
}

/* Sidebar Desktop Navigation */
.sidebar {
  background-color: #24070f !important;
  border-right: 2px solid var(--taller-gold);
  min-height: 100vh;
  box-shadow: 4px 0 20px rgba(0,0,0,0.15);
}

.sidebar .navbar-brand {
  margin: 30px auto 20px;
  display: block;
  text-align: center;
}

.sidebar .navbar-brand img {
  max-width: 210px;
  height: auto;
}

.sidebar .nav-link {
  color: #f5eedf !important;
  font-family: 'Unbounded', sans-serif;
  font-size: 13px !important;
  font-weight: 500;
  padding: 12px 22px;
  border-left: 3px solid transparent;
  transition: all 0.25s ease;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  color: var(--taller-gold) !important;
  background: rgba(212, 175, 55, 0.14);
  border-left-color: var(--taller-gold);
}

/* Dedicated Mobile Header Bar (< 768px) */
.mobile-top-bar {
  display: none;
  background: #1f070e;
  border-bottom: 2px solid var(--taller-gold);
  padding: 12px 18px;
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
@media (max-width: 767.98px) {
  .mobile-top-bar {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
  }
  .navbar-toggler {
    background-color: #2d0b14 !important;
    border: 2px solid var(--taller-gold) !important;
    padding: 8px 12px;
    border-radius: 8px;
    color: #ffffff;
  }
  .sidebar {
    min-height: auto;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 1040;
    box-shadow: 0 10px 30px rgba(0,0,0,0.7);
  }
  .sidebar.collapse:not(.show) {
    display: none;
  }
}

/* Hero Section */
.hero-bookbinding {
  background: linear-gradient(135deg, #1f070e 0%, #3d121e 60%, #1f070e 100%);
  color: #fdfbf7;
  padding: 70px 40px;
  border-bottom: 3px solid var(--taller-gold);
}
.hero-bookbinding h1 {
  color: #ffffff;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
}
.hero-bookbinding p.lead {
  color: #e5ded3;
  font-size: 16.5px;
  line-height: 1.8;
}

/* Internal Page Banner */
.internal-banner-book {
  background: linear-gradient(135deg, #24070f 0%, #4a1525 100%);
  padding: 55px 40px;
  border-bottom: 2px solid var(--taller-gold);
  color: #ffffff;
}
.internal-banner-book h1 {
  color: #ffffff;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}
.internal-banner-book p {
  color: #e5ded3;
  font-size: 15px;
  max-width: 720px;
}

/* Artisanal Cards */
.craft-card {
  background: #ffffff;
  border: 1px solid var(--taller-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(74, 21, 37, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.craft-card:hover {
  transform: translateY(-5px);
  border-color: var(--taller-gold);
  box-shadow: 0 14px 30px rgba(74, 21, 37, 0.12);
}

.craft-card-img-wrap {
  width: 100%;
  height: 230px;
  overflow: hidden;
  position: relative;
  background: #2d0b14;
}
.craft-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.craft-card:hover .craft-card-img-wrap img {
  transform: scale(1.06);
}

.craft-badge-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(31, 7, 14, 0.88);
  backdrop-filter: blur(6px);
  color: var(--taller-gold);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 4px 12px;
  border-radius: 20px;
  font-family: 'Unbounded', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.craft-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Master Portrait Card */
.master-portrait-img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--taller-gold);
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  margin: 0 auto 16px;
  display: block;
}

/* Interactive Configurator */
.calc-summary-panel {
  background: #1f070e;
  color: #fdfbf7;
  border: 2px solid var(--taller-gold);
  border-radius: 14px;
  padding: 28px;
}
.format-btn {
  background: #fdfbf7;
  border: 2px solid #d8cfc4;
  color: #4a1525;
  padding: 12px 16px;
  border-radius: 10px;
  font-family: 'Unbounded', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  margin-bottom: 8px;
  text-align: left;
}
.format-btn.active,
.format-btn:hover {
  background: #4a1525;
  border-color: var(--taller-gold);
  color: #fdfbf7;
}

/* Footer Section */
footer.buller-footer {
  background: #18050b;
  color: #b5a89b;
  padding: 60px 40px 30px;
  border-top: 2px solid #3d1c24;
}
footer.buller-footer h5 {
  color: #f5eedf;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
footer.buller-footer a {
  color: #d8cfc4;
  text-decoration: none;
  transition: color 0.2s;
}
footer.buller-footer a:hover {
  color: var(--taller-gold);
}