/* ============================================================
   PromoInk — Sistema de Diseño Principal
   ============================================================ */
/* ── Gilroy Fonts (Inlined with swap for 100/100 Font Display score) ── */
@font-face { font-family: 'Gilroy-Bold'; font-style: normal; font-weight: 700; font-display: swap; src: local('Gilroy-Bold'), url('https://fonts.cdnfonts.com/s/16219/Gilroy-Bold.woff') format('woff'); }
@font-face { font-family: 'Gilroy-Medium'; font-style: normal; font-weight: 500; font-display: swap; src: local('Gilroy-Medium'), url('https://fonts.cdnfonts.com/s/16219/Gilroy-Medium.woff') format('woff'); }


/* ── Gilroy y Google Fonts se cargan ahora en el HTML para evitar bloqueo de renderizado ── */

/* ── Variables CSS ───────────────────────────────────────── */
:root {
  --bg-body:       #18191d;
  --bg-primary:    #1e2024;
  --bg-surface:    #26282d;
  --bg-elevated:   #2f3136;
  --text-primary:  #F4F5F7;
  --text-secondary:#c1c5cd;
  --text-muted:    #8b919e;
  --text-subtle:   #5a6070;

  /* Acentos */
  --accent-pink:   #E83E8C;
  --accent-cyan:   #00BCFF;
  --accent-gold:   #FFC107;
  --accent-pink-d: #c4306f;
  --accent-cyan-d: #009ed9;

  /* Semánticos */
  --border:        rgba(255,255,255,0.08);
  --border-hover:  rgba(232,62,140,0.4);
  --glass-bg:      rgba(44,48,52,0.85);
  --glass-border:  rgba(255,255,255,0.1);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.45);
  --shadow-hover:  0 12px 40px rgba(232,62,140,0.25);
  --shadow-glow:   0 0 40px rgba(0,188,255,0.15);

  /* Tipografía */
  --font-display:  'Gilroy-Bold', 'Inter', sans-serif;
  --font-body:     'Gilroy-Medium', 'Inter', sans-serif;
  --font-ui:       'Gilroy-Medium', 'Inter', sans-serif;

  /* Espaciado */
  --section-pad:   clamp(4rem, 8vw, 7rem);
  --container:     1280px;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-full:   9999px;

  /* Transiciones */
  --ease-smooth:   cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--accent-pink);
  color: #fff;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-pink); border-radius: 3px; }

/* ── Contenedor ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

/* ── Grid ────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ── Tipografía ──────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h4, h5, .ui-heading {
  font-family: var(--font-ui);
  font-weight: 700;
}

.display-1 { font-size: clamp(3rem, 6vw, 5rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
.display-2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; line-height: 1.1; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  font-weight: 300;
  max-width: 600px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gold { color: var(--accent-gold); }
.text-pink { color: var(--accent-pink); }
.text-cyan { color: var(--accent-cyan); }
.text-muted { color: var(--text-muted); }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all var(--duration-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--accent-pink);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232,62,140,0.35);
}

.btn-primary:hover {
  background: var(--accent-pink-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,62,140,0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,188,255,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-cyan {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 600;
}

.btn-cyan:hover {
  background: var(--accent-cyan-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,188,255,0.4);
}

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

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

.btn-lg { padding: 1rem 2.5rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.85rem; }
.btn-icon { padding: 0.75rem; border-radius: 50%; aspect-ratio: 1; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0;
  background: transparent;
  border: none;
}

.badge::before {
  content: '';
  width: 4px; 
  height: 4px;
  border-radius: 50%;
}

.badge-stock {
  color: #ffffff;
}

.badge-stock::before {
  background: #ffffff;
  box-shadow: 0 0 6px #ffffff;
}

.badge-featured {
  color: var(--accent-pink);
}

.badge-featured::before {
  background: var(--accent-pink);
  box-shadow: 0 0 6px var(--accent-pink);
}

.badge-gold {
  color: var(--accent-gold);
}

.badge-gold::before {
  background: var(--accent-gold);
  box-shadow: 0 0 6px var(--accent-gold);
}

.badge-nostock {
  color: #dc3545;
}

.badge-nostock::before {
  background: #dc3545;
  box-shadow: 0 0 6px #dc3545;
}

.badge-customizable {
  color: #ffffff;
}

.badge-customizable::before {
  background: #ffffff;
  box-shadow: 0 0 6px #ffffff;
}

.badge-sale {
  color: #ff3366;
  font-weight: 700;
  background: rgba(255, 51, 102, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.badge-sale::before {
  background: #ff3366;
  box-shadow: 0 0 8px #ff3366;
}

.price-original {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-right: 8px;
  font-weight: 400;
}

.discount-floating-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-pink);
  color: white;
  padding: 4px 10px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.85rem;
  z-index: 5;
  box-shadow: var(--shadow-glow-pink);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.5); }
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-smooth);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.card-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--bg-elevated);
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.card:hover .card-img-wrapper img {
  transform: scale(1.08);
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(33,37,41,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-base);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.card:hover .card-img-overlay { opacity: 1; }

.card-body {
  padding: 1.25rem;
}

.card-badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.card-sku {
  font-size: 0.78rem;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.card-price {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card-price strong {
  color: var(--accent-pink);
  font-size: 1.1rem;
}

.card-min {
  font-size: 0.78rem;
  color: var(--text-subtle);
}

/* ── Producto card imagen placeholder ───────────────────── */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text-subtle);
  font-size: 0.8rem;
}

.img-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-subtle);
  stroke-width: 1;
  fill: none;
}

/* ── Sección wrapper ─────────────────────────────────────── */
.section {
  padding-block: var(--section-pad);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-pink);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent-pink);
}

/* ── Divisores ───────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  border: none;
}

/* ── Formularios ─────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.form-control {
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  width: 100%;
}

.form-control::placeholder { color: var(--text-subtle); }

.form-control:focus {
  outline: none;
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 3px rgba(232,62,140,0.15);
}

.form-control.success { border-color: var(--accent-cyan); }
.form-control.error   { border-color: #dc3545; }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ── Toast notificaciones ────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  min-width: 280px;
  max-width: 360px;
  animation: slideInToast 0.3s var(--ease-spring);
}

.toast.success { border-color: var(--accent-cyan); }
.toast.error   { border-color: #dc3545; }

@keyframes slideInToast {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Skeleton loaders ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-elevated) 25%,
    var(--bg-surface)  50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── WhatsApp FAB ────────────────────────────────────────── */
.fab-whatsapp {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 1000;
  transition: all var(--duration-base) var(--ease-spring);
}

.fab-whatsapp:hover {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 30px rgba(37,211,102,0.55);
}

.fab-whatsapp svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* ── Animate on scroll ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ── Utilidades ──────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.text-center { text-align: center; }
.w-full { width: 100%; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .btn-lg { padding: 0.9rem 1.75rem; }
}