/* ================================
   NERO · Diseño base
   ================================ */

:root {
  --nero-bg: #050608;
  --nero-surface: #101218;
  --nero-surface-soft: #141720;
  --nero-border: #292b33;
  --nero-text: #f5f5f5;
  --nero-muted: #9b9daf;
  --nero-accent: #ffffff;
  --nero-accent-soft: #b7ff4c;
  --nero-radius-xl: 1.75rem;
  --nero-radius-lg: 1.25rem;
  --nero-radius-md: 0.9rem;
  --nero-shadow-soft: 0 18px 45px rgba(0,0,0,0.7);
  --nero-focus-outline: #ffffff;
  --nero-transition-fast: 150ms ease-out;
  --nero-transition-med: 220ms ease-out;
}

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

/* ================================
   Body / tipografía / enlaces
   ================================ */

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #151822 0, var(--nero-bg) 55%);
  color: var(--nero-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--nero-accent-soft);
  text-decoration: none;
}
a:hover {
  color: var(--nero-accent);
}

/* Focus visible accesible para teclado */
:focus-visible {
  outline: 3px solid var(--nero-focus-outline);
  outline-offset: 3px;
}

/* ================================
   Navbar
   ================================ */

.navbar {
  background: rgba(5, 6, 8, 0.95) !important;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}

.navbar-brand {
  letter-spacing: 0.18em;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.navbar-dark .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
}

.navbar-dark .navbar-toggler-icon {
  filter: drop-shadow(0 0 3px rgba(0, 0, 0, 0.7));
}

.nav-link {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nero-muted) !important;
  padding-inline: 0.75rem !important;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--nero-accent) !important;
}

.nav-link.active {
  color: var(--nero-accent) !important;
  position: relative;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0.35rem;
  right: 0.35rem;
  bottom: 0.05rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffffff, var(--nero-accent-soft));
}

/* ================================
   Hero NERO
   ================================ */

.hero-nero {
  position: relative;
  min-height: clamp(70vh, 85vh, 92vh);
  display: flex;
  align-items: center;
  color: var(--nero-text);
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 55%),
    radial-gradient(circle at bottom right, rgba(183, 255, 76, 0.1), transparent 60%),
    var(--nero-bg);
}

.hero-nero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/hero-nero.jpg"); /* <-- pon aquí tu imagen */
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-nero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at bottom, rgba(5, 6, 8, 0.8), transparent 55%);
  pointer-events: none;
}

.hero-nero .container {
  position: relative;
  z-index: 1;
}

.hero-nero h1 {
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.hero-nero .lead {
  max-width: 32rem;
  margin-inline: auto;
  color: var(--nero-muted);
}

/* Badge de subtítulo en hero */
.hero-nero p.small {
  letter-spacing: 0.22em;
}

/* ================================
   Tarjetas de catálogo / destacados
   ================================ */

.card {
  border-radius: var(--nero-radius-xl);
  border-color: rgba(255, 255, 255, 0.05);
  background: linear-gradient(145deg, var(--nero-surface), var(--nero-surface-soft));
  box-shadow: 0 14px 25px rgba(0, 0, 0, 0.75);
  transition: transform var(--nero-transition-med), box-shadow var(--nero-transition-med),
    border-color var(--nero-transition-fast), background var(--nero-transition-med);
}

.card-img-top {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Hover sin marear (y respetando prefers-reduced-motion) */
@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--nero-shadow-soft);
    border-color: rgba(255, 255, 255, 0.18);
  }
}

.card-body {
  padding: 1.1rem 1rem 1.1rem;
}

.card-body .h6 {
  font-size: 0.9rem;
}

.card-body .small {
  font-size: 0.75rem;
}

/* ================================
   Botones
   ================================ */

.btn {
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.btn-outline-light {
  border-width: 1px;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--nero-accent);
  background: transparent;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: var(--nero-accent);
  color: #000;
}

.btn-light {
  color: #000;
  border: none;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.btn-light:hover,
.btn-light:focus-visible {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
}

/* WhatsApp button */
.btn-success {
  border-radius: 0.85rem;
}

/* ================================
   Formularios / filtros
   ================================ */

.form-select,
.form-control,
.input-group-text {
  background-color: #05060a;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--nero-text);
}

.form-select:focus,
.form-control:focus {
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 0 transparent;
}

.input-group-text {
  color: var(--nero-muted);
}

.form-select option {
  background: var(--nero-bg);
}

/* ================================
   Secciones / títulos
   ================================ */

section {
  scroll-margin-top: 5rem;
}

h2.h4,
h2.h5,
h5 {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.86rem;
}

.text-muted {
  color: var(--nero-muted) !important;
}

/* ================================
   Lookbook
   ================================ */

#lookbook img {
  transition: transform var(--nero-transition-fast), opacity var(--nero-transition-fast);
}

@media (hover: hover) and (pointer: fine) {
  #lookbook img:hover {
    transform: translateY(-3px);
    opacity: 0.95;
  }
}

/* ================================
   Modal producto
   ================================ */

.modal-content {
  border-radius: var(--nero-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--nero-shadow-soft);
}

#modalImg {
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.05), transparent 60%);
}

#modalThumbs img {
  border: 1px solid transparent;
  transition: border-color var(--nero-transition-fast), transform var(--nero-transition-fast);
}

@media (hover: hover) and (pointer: fine) {
  #modalThumbs img:hover {
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-1px);
  }
}

/* ================================
   Badges / chips
   ================================ */

.badge.bg-secondary {
  background: rgba(255, 255, 255, 0.12) !important;
  border-radius: 999px;
}

.badge.bg-dark {
  background: #050608 !important;
}

/* ================================
   Footer
   ================================ */

footer {
  background: rgba(5, 6, 8, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
}

/* ================================
   Accesibilidad extra
   ================================ */

/* Reducir animaciones si el usuario lo pide */
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Scrollbar (solo visual, no crítico) */
@media (min-width: 768px) {
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #050608;
  }
  ::-webkit-scrollbar-thumb {
    background: #2b2d33;
    border-radius: 999px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #3a3d47;
  }
}