/* ==============================================================================
   ESTILOS PÚBLICOS UNIFICADOS — RESTAURANTE CASA JULIÁN (PROMPT 008)
   Paleta: Carbón, Crema y Dorado. Mobile-first, Bootstrap nativo, sin jQuery.
   ============================================================================== */

:root {
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --color-surface-hover: #1f242c;
  --color-border: #30363d;
  --color-gold: #c9a96e;
  --color-gold-hover: #dfbe84;
  --color-gold-dim: rgba(201, 169, 110, 0.12);
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-action: #c9a96e;
  --color-danger: #f85149;
  --color-success: #2ea043;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

body.public-body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
}

/* Enlace Accesible */
.skip-link {
  top: -100px;
  left: 10px;
  transition: top 0.2s ease;
  z-index: 9999;
}
.skip-link:focus {
  top: 10px;
}

/* Glassmorphism Header */
.bg-dark-glass {
  background: rgba(22, 27, 34, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.brand-logo {
  text-decoration: none;
}
.brand-sub {
  font-size: 0.62rem;
  letter-spacing: 3px;
  color: var(--color-gold);
  font-weight: 600;
  text-transform: uppercase;
}
.brand-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #ffffff;
}

.navbar-nav .nav-link {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  transition: color 0.2s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--color-gold);
}

/* Botones de Marca */
.btn-gold {
  background-color: var(--color-gold);
  color: #0d1117;
  font-weight: 600;
  border: none;
  transition: all 0.2s ease;
}
.btn-gold:hover, .btn-gold:focus {
  background-color: var(--color-gold-hover);
  color: #0d1117;
  transform: translateY(-1px);
}
.btn-outline-gold {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background-color: transparent;
  font-weight: 600;
  transition: all 0.2s ease;
}
.btn-outline-gold:hover, .btn-outline-gold:focus {
  background-color: var(--color-gold);
  color: #0d1117;
}
.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  border: none;
  transition: all 0.2s ease;
}
.btn-whatsapp:hover, .btn-whatsapp:focus {
  background-color: #20ba59;
  color: #ffffff;
}

.text-gold {
  color: var(--color-gold) !important;
}
.letter-spacing-1 {
  letter-spacing: 1px;
}
.letter-spacing-2 {
  letter-spacing: 2px;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-color: #090d12;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}
.hero-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(13, 17, 23, 0.75) 0%, rgba(13, 17, 23, 0.95) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
}

/* Reducción de movimiento para accesibilidad */
@media (prefers-reduced-motion: reduce) {
  video.hero-media {
    display: none !important;
  }
  img.hero-poster-fallback {
    display: block !important;
  }
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Tarjetas de Presentación y Contenedores */
.section-divider {
  width: 50px;
  height: 2px;
  background: var(--color-gold);
  margin: 12px auto 20px;
}
.section-divider.start {
  margin: 12px 0 20px;
}

.presentation-card, .info-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

/* Horarios */
.schedule-table {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}
.schedule-table th, .schedule-table td {
  border-color: var(--color-border);
  padding: 12px 18px;
  color: var(--color-text);
}

/* Formularios de Reservación */
.reservation-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.reservation-header {
  text-align: center;
  margin-bottom: 30px;
}
.reservation-header h1 {
  font-size: 2.1rem;
  color: #ffffff;
}
.reservation-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 620px;
  margin: 0 auto;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-label .required {
  color: var(--color-danger);
}
.form-control, .form-select {
  background-color: #0d1117;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  padding: 10px 14px;
}
.form-control:focus, .form-select:focus {
  background-color: #0d1117;
  border-color: var(--color-gold);
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}
.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.form-field-error {
  display: block;
  font-size: 0.82rem;
  color: var(--color-danger);
  margin-top: 5px;
  font-weight: 500;
}
.form-control.is-invalid, .form-select.is-invalid {
  border-color: var(--color-danger);
}
.form-control.is-invalid:focus, .form-select.is-invalid:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(248, 81, 73, 0.2);
}
.trap-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
}
.slots-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.slot-radio {
  display: none;
}
.slot-btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  background-color: #0d1117;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.slot-radio:checked + .slot-btn {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: #0d1117;
  font-weight: 600;
}

/* Tarjetas de Seguimiento de Reserva */
.tracking-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.tracking-item {
  display: flex;
  flex-direction: column;
}
.tracking-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.tracking-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
}
.copy-box {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.copy-box input {
  flex: 1;
  background-color: #0d1117;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: monospace;
}

/* Footer Unificado */
.public-footer {
  background-color: #090d12;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .form-grid, .tracking-grid {
    grid-template-columns: 1fr;
  }
  .reservation-card {
    padding: 24px 16px;
  }
  .hero-section {
    min-height: 440px;
  }
}