/* =============================================================
   ALFONSINA BORDADOS - main.css
   Variables globales, reset, tipografia y estilos base
   ============================================================= */

/* ----- Custom Properties ----- */
:root {
  /* Colores */
  --color-bg:          #FAF8F4;
  --color-beige:       #F5EDE3;
  --color-beige-dark:  #EBD9C7;
  --color-rose:        #E8B7C7;
  --color-rose-dark:   #D4869A;
  --color-brown:       #6B4F3A;
  --color-brown-light: #A07856;
  --color-gray:        #8C7B6D;
  --color-gray-light:  #C4B5A8;
  --color-white:       #FFFFFF;
  --color-border:      #E8DDD5;
  --color-text:        #3D2B1F;
  --color-text-light:  #8C7B6D;
  --color-success:     #6B8F71;
  --color-error:       #C0614A;

  /* Tipografia */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:  'Poppins', system-ui, -apple-system, sans-serif;

  /* Escala tipografica */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Bordes */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(61, 43, 31, 0.06);
  --shadow-sm: 0 1px 4px rgba(61, 43, 31, 0.08), 0 1px 2px rgba(61, 43, 31, 0.04);
  --shadow-md: 0 4px 12px rgba(61, 43, 31, 0.10), 0 2px 4px rgba(61, 43, 31, 0.06);
  --shadow-lg: 0 8px 24px rgba(61, 43, 31, 0.12), 0 4px 8px rgba(61, 43, 31, 0.06);
  --shadow-xl: 0 16px 48px rgba(61, 43, 31, 0.16);

  /* Transiciones */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --navbar-height:  82px;
  --container-max:  1280px;
  --container-pad:  var(--space-6);
  --cart-width:     420px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font-sans);
  font-size: var(--text-base);
}

ul, ol {
  list-style: none;
}

/* ----- Tipografia base ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-brown);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ----- Contenedor ----- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ----- Botones globales ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.025em;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--color-brown);
  color: var(--color-white);
  border-color: var(--color-brown);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-text);
  border-color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-brown);
  border-color: var(--color-brown);
}

.btn--outline:hover:not(:disabled) {
  background-color: var(--color-brown);
  color: var(--color-white);
}

.btn--rose {
  background-color: var(--color-rose);
  color: var(--color-brown);
  border-color: var(--color-rose);
}

.btn--rose:hover:not(:disabled) {
  background-color: var(--color-rose-dark);
  border-color: var(--color-rose-dark);
  color: var(--color-white);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
  font-weight: 600;
}

.btn--whatsapp:hover:not(:disabled) {
  background-color: #1EBE57;
  border-color: #1EBE57;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-light);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--color-beige);
  color: var(--color-text);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
}

/* Boton icono */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-brown);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-icon:hover {
  background-color: var(--color-beige);
  color: var(--color-text);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ----- Inputs globales ----- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-brown);
  letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-rose-dark);
  box-shadow: 0 0 0 3px rgba(232, 183, 199, 0.25);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-light);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238C7B6D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ----- Toast ----- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--color-success);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  max-width: 320px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(var(--space-4));
  transition: opacity var(--transition-base), transform var(--transition-base);
}

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

.toast.toast--error {
  border-left-color: var(--color-error);
}

.toast__icon {
  flex-shrink: 0;
  color: var(--color-success);
}

.toast.toast--error .toast__icon {
  color: var(--color-error);
}

/* ----- Overlay global ----- */
.overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(61, 43, 31, 0.35);
  backdrop-filter: blur(2px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.overlay.overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ----- Seccion de estado vacio ----- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.empty-state__icon {
  color: var(--color-gray-light);
  opacity: 0.7;
}

.empty-state__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-brown);
  font-weight: 400;
}

.empty-state__text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  max-width: 280px;
}

/* ----- Modal generico ----- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(61, 43, 31, 0.4);
  backdrop-filter: blur(3px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.modal-backdrop--visible {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 480px;
  padding: var(--space-8);
  transform: scale(0.95) translateY(var(--space-4));
  transition: transform var(--transition-spring);
}

.modal-backdrop.modal-backdrop--visible .modal {
  transform: scale(1) translateY(0);
}

.modal__header {
  margin-bottom: var(--space-6);
}

.modal__title {
  font-size: var(--text-2xl);
  color: var(--color-brown);
}

.modal__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-top: var(--space-1);
}

.modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal__footer {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.modal__footer .btn {
  flex: 1;
}

/* ----- Skeleton loader ----- */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-beige) 25%, var(--color-beige-dark) 50%, var(--color-beige) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ----- Animacion add-to-cart ----- */
@keyframes cart-bounce {
  0%, 100% { transform: scale(1); }
  40%       { transform: scale(1.3); }
  70%       { transform: scale(0.9); }
}

.cart-badge--animate {
  animation: cart-bounce 0.4s var(--transition-spring);
}

/* ----- Utilidades ----- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-right  { text-align: right; }

.font-serif  { font-family: var(--font-serif); }
.font-sans   { font-family: var(--font-sans); }

.text-brown  { color: var(--color-brown); }
.text-light  { color: var(--color-text-light); }

/* ----- Responsive helpers ----- */
@media (max-width: 768px) {
  :root {
    --container-pad: var(--space-4);
    --cart-width:    100vw;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
}

@media (max-width: 480px) {
  :root {
    --container-pad: var(--space-4);
  }

  .toast {
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }
}

/* =====================================================================
   BASTIDOR — Animacion de confirmacion de pedido
   ===================================================================== */

.bastidor-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(44, 26, 10, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.bastidor-overlay.bastidor-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* SVG del bastidor */
.bastidor-svg {
  width: min(260px, 76vw);
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 8px 32px rgba(44, 26, 10, 0.65));
  animation: eg-hoop-in 0.48s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both;
}

@keyframes eg-hoop-in {
  from { transform: scale(0.68); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

/* Petalos — dibujo con stroke-dashoffset */
@keyframes eg-draw-petal {
  0%   { stroke-dashoffset: 1; fill-opacity: 0; }
  65%  { stroke-dashoffset: 0; fill-opacity: 0; }
  100% { stroke-dashoffset: 0; fill-opacity: 1; }
}

.eg-petal {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  fill-opacity: 0;
  animation: eg-draw-petal 0.68s ease forwards;
}

.eg-petal:nth-child(1) { animation-delay: 0.55s; }
.eg-petal:nth-child(2) { animation-delay: 1.05s; }
.eg-petal:nth-child(3) { animation-delay: 1.55s; }
.eg-petal:nth-child(4) { animation-delay: 2.05s; }
.eg-petal:nth-child(5) { animation-delay: 2.55s; }

/* Aparicion por opacidad (hojas, centro, puntadas) */
@keyframes eg-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.eg-leaf   { opacity: 0; animation: eg-fade-in 0.5s ease 1.3s  forwards; }
.eg-center { opacity: 0; animation: eg-fade-in 0.4s ease 3.1s  forwards; }
.eg-stitch { opacity: 0; animation: eg-fade-in 0.35s ease 3.15s forwards; }

/* Texto inferior */
@keyframes eg-text-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.bastidor-text {
  margin-top: 22px;
  text-align: center;
  opacity: 0;
  animation: eg-text-in 0.5s ease 3.3s both;
}

.bastidor-text__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-beige);
  letter-spacing: 0.03em;
  margin: 0;
}

.bastidor-text__sub {
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(250, 248, 244, 0.58);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 5px;
}

/* Puntos de espera */
.bastidor-dots {
  display: flex;
  justify-content: center;
  gap: 5px;
  margin-top: 10px;
}

@keyframes eg-dot {
  0%, 80%, 100% { opacity: 0.25; }
  40%           { opacity: 1;    }
}

.bastidor-dots span {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(250, 248, 244, 0.65);
  animation: eg-dot 1.2s ease 3.4s infinite both;
}

.bastidor-dots span:nth-child(2) { animation-delay: 3.6s; }
.bastidor-dots span:nth-child(3) { animation-delay: 3.8s; }

/* =====================================================================
   PAGE LOADER — Pantalla de carga inicial
   ===================================================================== */

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

.page-loader.page-loader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.page-loader__ring {
  width: 58px;
  height: 58px;
}

.page-loader__ring svg {
  width: 100%;
  height: 100%;
  animation: loader-spin 1.1s linear infinite;
}

@keyframes loader-spin {
  to { transform: rotate(360deg); }
}

.page-loader__name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-brown);
  letter-spacing: 0.06em;
  line-height: 1;
}

.page-loader__sub {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: -8px;
}

/* =====================================================================
   SCROLL TO TOP — Boton flotante para volver arriba
   ===================================================================== */

.scroll-top-btn {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 99;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-brown);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(107, 79, 58, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base),
    transform var(--transition-base),
    background-color var(--transition-fast);
}

.scroll-top-btn.scroll-top-btn--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--color-rose-dark);
}

.scroll-top-btn:active {
  transform: scale(0.92);
}

.scroll-top-btn svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 480px) {
  .scroll-top-btn {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }
}