/* ==========================================================================
   BASE & UTILITIES - BARBERÍA IMPERIO
   Global element styles, containers, buttons, cards & utility classes
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: var(--text-base);
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* --- CONTENEDORES --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 4vw, 2.5rem);
  padding-right: clamp(1rem, 4vw, 2.5rem);
}

.section-padding {
  padding-top: clamp(3rem, 6vw, 6rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
}

/* --- ENCABEZADOS DE SECCIÓN --- */
.section-header {
  text-align: center;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-pill);
  color: var(--color-gold);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.section-title .text-gold {
  color: var(--color-gold);
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 60%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  font-weight: 400;
  line-height: 1.6;
}

.gold-divider {
  width: 70px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

/* --- BOTONES --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-primary,
.btn-gold {
  background: linear-gradient(135deg, #e2c055 0%, #d4af37 50%, #b59021 100%);
  color: #0f1115;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover,
.btn-gold:hover {
  background: linear-gradient(135deg, #f5e4a2 0%, #e2c055 50%, #c49d26 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.45);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-main);
  border: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border: 1.5px solid var(--color-gold);
}

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #20ba5a;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: var(--text-md);
}

.btn svg {
  width: 1.2em;
  height: 1.2em;
  fill: currentColor;
  flex-shrink: 0;
}

/* --- GRIDS REUTILIZABLES --- */
.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* --- BOTÓN FLOTANTE WHATSAPP --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.7);
  z-index: var(--z-whatsapp);
  transition: transform var(--transition-normal), background-color var(--transition-fast), opacity var(--transition-fast);
  animation: pulseWhatsapp 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(6deg);
  background-color: #20ba5a;
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.whatsapp-float-tooltip {
  position: absolute;
  right: 70px;
  background: var(--color-bg-card);
  color: var(--color-text-main);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--color-border-gold);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* --- OCULTAR WHATSAPP SI EL MENÚ ESTÁ ABIERTO --- */
body.menu-open .whatsapp-float,
.nav-overlay.is-open ~ .whatsapp-float {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: scale(0.4) !important;
}

/* --- ANIMACIONES KEYFRAMES --- */
@keyframes pulseWhatsapp {
  0% {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- ESTILOS DE SCROLL ANIMADO (INTERSECTION OBSERVER) --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}