/* ============================================================
   VARIABLES & RESET
   ============================================================ */
:root {
  --color-primario:    #c9a84c;
  --color-secundario:  #1d3557;
  --color-fondo:       #0d0d0d;
  --color-superficie:  #1a1a1a;
  --color-tarjeta:     #212121;
  --color-texto:       #f0f0f0;
  --color-texto-suave: #9e9e9e;
  --color-borde:       #2e2e2e;
  --radio:             12px;

  --sombra-sm:  0 2px 8px rgba(0,0,0,.45);
  --sombra-md:  0 4px 20px rgba(0,0,0,.6);
  --sombra-acento: 0 4px 24px rgba(201,168,76,.25);
  --transicion: 0.22s ease;
  --fuente:     'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente);
  background: var(--color-fondo);
  color: var(--color-texto);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h3 { font-size: 1.15rem; }
p  { font-size: .95rem; }

.texto-primario  { color: var(--color-primario); }
.texto-suave     { color: var(--color-texto-suave); font-size: .85rem; }
.texto-centro    { text-align: center; }

/* ============================================================
   LAYOUT
   ============================================================ */
.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
  background: var(--color-superficie);
  border-bottom: 1px solid var(--color-borde);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  color: inherit;
}

.logo-icono {
  width: 40px;
  height: 40px;
  background: var(--color-primario);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  box-shadow: var(--sombra-acento);
}

.logo-nombre {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.logo-slogan {
  font-size: .72rem;
  color: var(--color-texto-suave);
  display: block;
  margin-top: -2px;
}

.logo-icono--imagen {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  width: auto;
  height: 40px;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

nav {
  display: flex;
  gap: .25rem;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--color-texto-suave);
  font-size: .9rem;
  padding: .45rem .85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: color var(--transicion), background var(--transicion);
  font-family: var(--fuente);
  text-decoration: none;
  display: inline-block;
}

.nav-btn:hover,
.nav-btn.activo {
  color: var(--color-texto);
  background: var(--color-tarjeta);
}

.nav-btn.activo { color: var(--color-primario); }

.menu-hamburguesa {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  flex-shrink: 0;
}

.menu-hamburguesa span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-texto);
  border-radius: 2px;
  transition: transform var(--transicion), opacity var(--transicion);
}

.menu-hamburguesa.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-hamburguesa.abierto span:nth-child(2) { opacity: 0; }
.menu-hamburguesa.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(201,168,76,.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(201,168,76,.12);
  border: 1px solid rgba(201,168,76,.3);
  color: var(--color-primario);
  font-size: .78rem;
  font-weight: 600;
  padding: .3rem .85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero h1 { margin-bottom: .75rem; }

.hero p {
  color: var(--color-texto-suave);
  max-width: 500px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: var(--radio);
  font-size: .95rem;
  font-weight: 600;
  font-family: var(--fuente);
  cursor: pointer;
  transition: all var(--transicion);
  border: none;
  text-decoration: none;
}

.btn-primario {
  background: var(--color-primario);
  color: #fff;
  box-shadow: var(--sombra-acento);
}

.btn-primario:hover {
  background: #c1121f;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(201,168,76,.38);
}

.btn-primario:active { transform: translateY(0); }

.btn-fantasma {
  background: transparent;
  color: var(--color-texto);
  border: 1px solid var(--color-borde);
}

.btn-fantasma:hover {
  border-color: var(--color-primario);
  color: var(--color-primario);
}

.btn-sm { padding: .45rem 1rem; font-size: .85rem; }
.btn-bloque { width: 100%; justify-content: center; }

/* ============================================================
   SECCIONES GENERALES
   ============================================================ */
.seccion {
  padding: 3rem 0;
}

.seccion-titulo {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.seccion-titulo::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-borde);
}

.seccion-titulo h2 { white-space: nowrap; }

/* ============================================================
   GRILLA DE SERVICIOS
   ============================================================ */
.grilla-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.tarjeta-servicio {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color var(--transicion), transform var(--transicion), box-shadow var(--transicion);
  position: relative;
  overflow: hidden;
}

.tarjeta-servicio:hover {
  border-color: rgba(201,168,76,.5);
  transform: translateY(-2px);
  box-shadow: var(--sombra-md);
}

.tarjeta-servicio.seleccionado {
  border-color: var(--color-primario);
  box-shadow: 0 0 0 1px var(--color-primario), var(--sombra-acento);
}

.tarjeta-servicio.seleccionado::before {
  content: '✓';
  position: absolute;
  top: .6rem;
  right: .8rem;
  background: var(--color-primario);
  color: #fff;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
}

.servicio-icono {
  font-size: 2rem;
  margin-bottom: .6rem;
}

.servicio-categoria {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--color-primario);
  font-weight: 600;
  margin-bottom: .25rem;
}

.tarjeta-servicio h3 { margin-bottom: .3rem; }

.tarjeta-servicio p {
  color: var(--color-texto-suave);
  font-size: .85rem;
  margin-bottom: .85rem;
}

.servicio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .75rem;
  border-top: 1px solid var(--color-borde);
}

.servicio-precio {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-texto);
}

.servicio-duracion {
  font-size: .78rem;
  color: var(--color-texto-suave);
  display: flex;
  align-items: center;
  gap: .25rem;
}

/* ============================================================
   PROFESIONALES
   ============================================================ */
.grilla-profesionales {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tarjeta-profesional {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.4rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transicion), transform var(--transicion);
}

.tarjeta-profesional:hover {
  border-color: rgba(201,168,76,.5);
  transform: translateY(-2px);
}

.tarjeta-profesional.seleccionado {
  border-color: var(--color-primario);
  box-shadow: 0 0 0 1px var(--color-primario);
}

.tarjeta-profesional.deshabilitado {
  opacity: .4;
  pointer-events: none;
}

.prof-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primario), #a07830);
  margin: 0 auto .85rem;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: #fff;
  font-weight: 700;
  box-shadow: var(--sombra-acento);
}

.tarjeta-profesional h3 { font-size: 1rem; margin-bottom: .2rem; }

/* ============================================================
   CALENDARIO
   ============================================================ */
.calendario-wrap {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  overflow: hidden;
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-borde);
}

.cal-header h3 { font-size: 1rem; text-transform: capitalize; }

.cal-nav {
  background: none;
  border: none;
  color: var(--color-texto);
  cursor: pointer;
  font-size: 1.1rem;
  padding: .3rem .6rem;
  border-radius: 6px;
  transition: background var(--transicion);
}

.cal-nav:hover { background: var(--color-superficie); }

.cal-dias-semana {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--color-superficie);
}

.cal-dia-nombre {
  text-align: center;
  padding: .5rem 0;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-texto-suave);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: .5rem;
  background: var(--color-superficie);
}

.cal-celda {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: .88rem;
  cursor: pointer;
  transition: background var(--transicion), color var(--transicion);
  border: 1px solid transparent;
}

.cal-celda:not(.vacio):not(.deshabilitado):hover {
  background: rgba(201,168,76,.15);
  border-color: rgba(201,168,76,.3);
}

.cal-celda.hoy {
  border-color: var(--color-primario);
  color: var(--color-primario);
  font-weight: 700;
}

.cal-celda.seleccionado {
  background: var(--color-primario) !important;
  color: #fff !important;
  font-weight: 700;
  border-color: transparent;
}

.cal-celda.deshabilitado {
  color: var(--color-texto-suave);
  opacity: .35;
  cursor: not-allowed;
}

.cal-celda.vacio { pointer-events: none; }

/* ============================================================
   SLOTS HORARIOS
   ============================================================ */
.slots-wrap {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.25rem;
}

.slots-titulo {
  font-size: .85rem;
  color: var(--color-texto-suave);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(82px, 1fr));
  gap: .5rem;
}

.slot {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  padding: .5rem;
  text-align: center;
  font-size: .88rem;
  cursor: pointer;
  transition: all var(--transicion);
  font-family: 'Courier New', monospace;
  font-weight: 600;
}

.slot:hover {
  border-color: rgba(201,168,76,.5);
  background: rgba(201,168,76,.08);
  color: var(--color-primario);
}

.slot.seleccionado {
  background: var(--color-primario);
  border-color: var(--color-primario);
  color: #fff;
  box-shadow: var(--sombra-acento);
}

.slot.ocupado {
  opacity: .3;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ============================================================
   PASOS / STEPPER
   ============================================================ */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2.5rem;
  overflow-x: auto;
  padding-bottom: .25rem;
}

.paso {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.paso-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-borde);
  display: grid;
  place-items: center;
  font-size: .8rem;
  font-weight: 700;
  transition: all var(--transicion);
  color: var(--color-texto-suave);
}

.paso.activo   .paso-num { border-color: var(--color-primario); color: var(--color-primario); background: rgba(201,168,76,.12); }
.paso.completo .paso-num { border-color: var(--color-primario); background: var(--color-primario); color: #fff; }

.paso-label {
  font-size: .82rem;
  color: var(--color-texto-suave);
  transition: color var(--transicion);
}

.paso.activo   .paso-label { color: var(--color-texto); }
.paso.completo .paso-label { color: var(--color-primario); }

.paso-linea {
  flex: 1;
  height: 1px;
  background: var(--color-borde);
  min-width: 24px;
  max-width: 60px;
}

/* ============================================================
   PANEL DE RESUMEN
   ============================================================ */
.panel-resumen {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.25rem;
  position: sticky;
  top: 84px;
}

.panel-resumen h3 {
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--color-borde);
}

.resumen-fila {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: .5rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--color-borde);
  font-size: .88rem;
}

.resumen-fila:last-child { border-bottom: none; }

.resumen-fila .etiqueta { color: var(--color-texto-suave); }

.resumen-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .85rem;
  margin-top: .5rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.resumen-total .precio { color: var(--color-primario); font-size: 1.3rem; }

/* ============================================================
   FORMULARIO
   ============================================================ */
.formulario { display: flex; flex-direction: column; gap: 1rem; }

.campo {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.campo label {
  font-size: .83rem;
  color: var(--color-texto-suave);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
}

.campo input,
.campo textarea,
.campo select {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  color: var(--color-texto);
  font-family: var(--fuente);
  font-size: .95rem;
  padding: .65rem .9rem;
  transition: border-color var(--transicion);
  outline: none;
  width: 100%;
}

.campo input:focus,
.campo textarea:focus,
.campo select:focus {
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px rgba(201,168,76,.12);
}

.campo input::placeholder,
.campo textarea::placeholder {
  color: var(--color-texto-suave);
  opacity: .6;
}

.campo textarea { resize: vertical; min-height: 80px; }

.campo.error input,
.campo.error textarea { border-color: #ff4444; }

.campo .mensaje-error {
  font-size: .78rem;
  color: #ff4444;
}

/* ============================================================
   CONFIRMACIÓN / ÉXITO
   ============================================================ */
.pantalla-exito {
  text-align: center;
  padding: 4rem 1rem;
}

.exito-icono {
  width: 80px;
  height: 80px;
  background: rgba(201,168,76,.12);
  border: 2px solid var(--color-primario);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: grid;
  place-items: center;
  font-size: 2.2rem;
  animation: entrar .4s ease;
}

@keyframes entrar {
  from { transform: scale(.5); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

.pantalla-exito h2 { margin-bottom: .5rem; }
.pantalla-exito p  { color: var(--color-texto-suave); max-width: 400px; margin: 0 auto 2rem; }

.codigo-reserva {
  display: inline-block;
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  padding: .5rem 1.2rem;
  font-size: 1.4rem;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--color-primario);
  letter-spacing: .1em;
  margin-bottom: 2rem;
}

/* ============================================================
   LAYOUT RESERVA (2 columnas)
   ============================================================ */
.layout-reserva {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  .layout-reserva { grid-template-columns: 1fr; }
  .panel-resumen  { position: static; }
}

/* ============================================================
   VISTAS
   ============================================================ */
.vista { display: none; }
.vista.activa { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--color-superficie);
  border-top: 1px solid var(--color-borde);
  padding: 1.5rem 0;
  margin-top: 3rem;
  text-align: center;
}

footer p {
  color: var(--color-texto-suave);
  font-size: .82rem;
}

footer strong { color: var(--color-primario); }

/* ============================================================
   TOAST / NOTIFICACIONES
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 999;
}

.toast {
  background: var(--color-tarjeta);
  border: 1px solid var(--color-borde);
  border-left: 4px solid var(--color-primario);
  border-radius: var(--radio);
  padding: .85rem 1.1rem;
  min-width: 240px;
  box-shadow: var(--sombra-md);
  animation: toastEntrar .25s ease;
  font-size: .9rem;
}

.toast.exito { border-left-color: #22c55e; }
.toast.error  { border-left-color: #ff4444; }

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

/* ============================================================
   UTILIDADES
   ============================================================ */
.oculto     { display: none !important; }
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.gap-1      { gap: .5rem; }
.gap-2      { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.w-full { width: 100%; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .hero { padding: 3rem 0 2rem; }
  .grilla-servicios { grid-template-columns: 1fr; }
  .grilla-profesionales { grid-template-columns: repeat(2, 1fr); }
  .slots-grid { grid-template-columns: repeat(3, 1fr); }

  .stepper { align-items: flex-start; overflow-x: visible; }

  .paso {
    flex: 1;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
  }

  .paso-num {
    width: 28px;
    height: 28px;
    font-size: .72rem;
    flex-shrink: 0;
  }

  .paso-label {
    font-size: .6rem;
    text-align: center;
    line-height: 1.3;
    white-space: normal;
  }

  .paso-linea {
    flex: none;
    width: 12px;
    min-width: 12px;
    max-width: 12px;
    margin-top: 13px;
  }

  .logo-nombre { white-space: nowrap; }

  .menu-hamburguesa { display: flex; }

  nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-superficie);
    border-bottom: 1px solid var(--color-borde);
    padding: .5rem .75rem;
    gap: .25rem;
    z-index: 99;
    box-shadow: 0 8px 24px rgba(0,0,0,.35);
  }

  nav.abierto { display: flex; }

  nav .nav-btn {
    width: 100%;
    text-align: left;
    padding: .75rem 1rem;
    font-size: .95rem;
    border-radius: 8px;
  }
}