/* ============================================================
   Nodo Matriz — Sistema de diseño
   Estética: cálida, orgánica, agroecológica
   Tipografías: Fraunces (display) + Atkinson Hyperlegible (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..900,30..100&family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
  /* Paleta de tierra ----------------------------------------- */
  --c-suelo:         #2C2418;  /* texto principal — marrón muy oscuro, casi negro cálido */
  --c-corteza:       #4A3E2E;  /* texto secundario — marrón medio */
  --c-tierra:        #6B5D4F;  /* texto terciario — gris cálido */

  --c-oliva:         #4A6B3A;  /* verde principal — hojas en sombra */
  --c-oliva-claro:   #6E8E55;  /* verde claro — hojas al sol */
  --c-salvia:        #A8B894;  /* verde gris — variante */
  --c-musgo:         #3A5128;  /* verde profundo — bordes/sombras */

  --c-arcilla:       #B07D62;  /* terracota cálida — acentos */
  --c-arcilla-oscuro:#8B5A40;  /* terracota oscura */
  --c-mostaza:       #C49543;  /* amarillo tierra — destacados sutiles */

  --c-crema:         #FAF6EE;  /* fondo principal — papel manteca */
  --c-crema-osc:     #F0E9D6;  /* fondo secundario */
  --c-leche:         #FDFBF5;  /* blanco cálido — cards */

  --c-rojo:          #A6402B;  /* errores, eliminación */
  --c-verde-ok:      #5B7A3A;  /* éxito */

  /* Tipografía ----------------------------------------------- */
  --f-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --f-body:    'Atkinson Hyperlegible', system-ui, -apple-system, sans-serif;

  /* Espaciado --------------------------------------------------- */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;

  /* Radio orgánico ----------------------------------------------- */
  --r-card:  18px 22px 16px 24px;   /* asimétrico, hecho a mano */
  --r-input: 10px 14px 10px 14px;
  --r-pill:  999px;
  --r-blob:  62% 38% 55% 45% / 50% 60% 40% 50%;

  /* Sombras ------------------------------------------------------ */
  --sh-suave: 0 2px 8px rgba(74, 62, 46, 0.06);
  --sh-medio: 0 4px 20px rgba(74, 62, 46, 0.10);
  --sh-foco:  0 0 0 3px rgba(110, 142, 85, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--c-suelo);
  background: var(--c-crema);
  background-image:
    radial-gradient(at 12% 8%, rgba(168, 184, 148, 0.18) 0%, transparent 40%),
    radial-gradient(at 92% 90%, rgba(176, 125, 98, 0.12) 0%, transparent 45%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Textura de grano sutil sobre el fondo */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.27 0 0 0 0 0.22 0 0 0 0 0.16 0 0 0 0.15 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ============================================================
   Tipografía
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--f-display);
  color: var(--c-musgo);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-variation-settings: 'opsz' 80, 'SOFT' 60;
}

h3 {
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 36, 'SOFT' 50;
}

p {
  margin: 0 0 var(--s-4);
}

p.lead {
  font-size: 1.18rem;
  color: var(--c-corteza);
  line-height: 1.5;
}

a {
  color: var(--c-oliva);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: var(--c-salvia);
  transition: text-decoration-color 0.2s, color 0.2s;
}

a:hover {
  color: var(--c-musgo);
  text-decoration-color: var(--c-oliva);
}

small {
  font-size: 0.85rem;
  color: var(--c-tierra);
}

/* ============================================================
   Layout
   ============================================================ */

.wrap {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: var(--s-7) var(--s-5);
}

@media (min-width: 768px) {
  .wrap {
    padding: var(--s-8) var(--s-6);
  }
}

.wrap--narrow {
  max-width: 640px;
}

/* ============================================================
   Header del sitio / página
   ============================================================ */

.site-header {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding-bottom: var(--s-5);
  margin-bottom: var(--s-6);
  border-bottom: 1px dashed var(--c-salvia);
}

.site-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  color: inherit;
}

.site-mark svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.site-mark__name {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 36, 'SOFT' 60;
  color: var(--c-musgo);
}

.site-mark__sub {
  font-size: 0.78rem;
  color: var(--c-tierra);
  font-style: italic;
  display: block;
  margin-top: -3px;
}

/* ============================================================
   Tarjetas / contenedores
   ============================================================ */

.card {
  background: var(--c-leche);
  border: 1px solid rgba(74, 107, 58, 0.12);
  border-radius: var(--r-card);
  padding: var(--s-6);
  box-shadow: var(--sh-suave);
}

@media (min-width: 768px) {
  .card {
    padding: var(--s-7);
  }
}

.card + .card {
  margin-top: var(--s-5);
}

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

.btn {
  font-family: var(--f-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: var(--s-3) var(--s-6);
  border-radius: var(--r-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background-color 0.2s, color 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  line-height: 1.2;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--sh-foco);
}

.btn--primary {
  background: var(--c-musgo);
  color: var(--c-crema);
  border-color: var(--c-musgo);
}

.btn--primary:hover {
  background: var(--c-oliva);
  border-color: var(--c-oliva);
  transform: translateY(-1px);
  box-shadow: var(--sh-medio);
}

.btn--primary:disabled {
  background: var(--c-salvia);
  border-color: var(--c-salvia);
  color: var(--c-leche);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn--ghost {
  background: transparent;
  color: var(--c-musgo);
  border-color: var(--c-oliva);
}

.btn--ghost:hover {
  background: rgba(74, 107, 58, 0.08);
}

.btn--warn {
  background: var(--c-arcilla);
  color: var(--c-crema);
  border-color: var(--c-arcilla);
}

.btn--warn:hover {
  background: var(--c-arcilla-oscuro);
  border-color: var(--c-arcilla-oscuro);
}

.btn--small {
  padding: var(--s-2) var(--s-4);
  font-size: 0.88rem;
}

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

.field {
  margin-bottom: var(--s-5);
}

.field__label {
  display: block;
  font-weight: 700;
  color: var(--c-corteza);
  margin-bottom: var(--s-2);
  font-size: 0.95rem;
}

.field__hint {
  display: block;
  color: var(--c-tierra);
  font-size: 0.85rem;
  margin-top: var(--s-1);
  font-style: italic;
}

.field__error {
  color: var(--c-rojo);
  font-size: 0.85rem;
  margin-top: var(--s-1);
  font-weight: 700;
  display: none;
}

.field.is-invalid .field__error {
  display: block;
}

.input,
.textarea,
.select {
  font-family: var(--f-body);
  font-size: 1rem;
  width: 100%;
  padding: var(--s-3) var(--s-4);
  border: 1.5px solid var(--c-salvia);
  border-radius: var(--r-input);
  background: var(--c-leche);
  color: var(--c-suelo);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--c-oliva);
  box-shadow: var(--sh-foco);
}

.input.is-invalid,
.textarea.is-invalid,
.select.is-invalid {
  border-color: var(--c-rojo);
}

.textarea {
  resize: vertical;
  min-height: 5em;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%234A3E2E' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Radio y checkbox custom */
.option {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 1.5px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.option:hover {
  background-color: rgba(110, 142, 85, 0.06);
}

.option input[type="radio"],
.option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 2px 0 0 0;
  flex-shrink: 0;
  accent-color: var(--c-musgo);
  cursor: pointer;
}

.option input:checked + .option__label {
  color: var(--c-musgo);
  font-weight: 700;
}

.option__label {
  color: var(--c-corteza);
  line-height: 1.4;
}

/* ============================================================
   Productos (form de stock y pedidos)
   ============================================================ */

.product-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.product {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
  padding: var(--s-5);
  background: var(--c-leche);
  border: 1px solid rgba(74, 107, 58, 0.12);
  border-radius: var(--r-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product:hover {
  border-color: rgba(74, 107, 58, 0.25);
}

.product.is-active {
  border-color: var(--c-oliva);
  box-shadow: var(--sh-suave);
}

@media (min-width: 600px) {
  .product {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    align-items: center;
  }
}

.product__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.product__name {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 500;
  font-variation-settings: 'opsz' 36, 'SOFT' 40;
  color: var(--c-suelo);
  line-height: 1.25;
}

.product__meta {
  font-size: 0.85rem;
  color: var(--c-tierra);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: center;
}

.product__price {
  font-weight: 700;
  color: var(--c-musgo);
  font-size: 1rem;
}

.product__tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product__tag--oferta {
  background: var(--c-mostaza);
  color: var(--c-suelo);
}

.product__tag--nuevo {
  background: var(--c-oliva-claro);
  color: var(--c-leche);
}

.product__control {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* ============================================================
   Wizard de categorías (form de pedidos)
   ============================================================ */

.wizard {
  position: relative;
}

.wizard__progress {
  background: var(--c-leche);
  border: 1px solid rgba(74, 107, 58, 0.15);
  border-radius: var(--r-card);
  padding: var(--s-4) var(--s-5);
  margin-bottom: var(--s-5);
  box-shadow: var(--sh-suave);
  position: sticky;
  top: var(--s-3);
  z-index: 10;
}

.wizard__progress-text {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--s-3);
  gap: var(--s-3);
  flex-wrap: wrap;
}

.wizard__step-count {
  font-family: var(--f-display);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--c-tierra);
}

.wizard__step-name {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 500;
  font-variation-settings: 'opsz' 60, 'SOFT' 70;
  color: var(--c-musgo);
}

.wizard__bar {
  height: 6px;
  background: var(--c-crema-osc);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.wizard__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-oliva), var(--c-oliva-claro));
  border-radius: var(--r-pill);
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wizard__step {
  display: none;
  animation: stepIn 0.4s ease-out;
}

.wizard__step.is-current {
  display: block;
}

@keyframes stepIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wizard__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px dashed var(--c-salvia);
  flex-wrap: wrap;
}

.wizard__nav-info {
  font-size: 0.88rem;
  color: var(--c-tierra);
  font-style: italic;
}

/* Indicador de categoría no visitada */
.wizard__crumbs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: var(--s-3);
}

.wizard__crumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-crema-osc);
  transition: background 0.2s, transform 0.2s;
}

.wizard__crumb.is-visited {
  background: var(--c-oliva-claro);
}

.wizard__crumb.is-current {
  background: var(--c-musgo);
  transform: scale(1.4);
}

/* ============================================================
   Resumen final (carrito visible solo al final)
   ============================================================ */

.summary {
  background: var(--c-crema-osc);
  border: 2px dashed var(--c-salvia);
  border-radius: var(--r-card);
  padding: var(--s-6);
}

.summary__title {
  margin-bottom: var(--s-4);
}

.summary__items {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-5);
}

.summary__item {
  display: flex;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px dotted rgba(107, 93, 79, 0.25);
}

.summary__item:last-child {
  border-bottom: none;
}

.summary__item-name {
  font-weight: 700;
  color: var(--c-suelo);
}

.summary__item-detail {
  display: block;
  font-size: 0.85rem;
  color: var(--c-tierra);
  font-weight: 400;
  margin-top: 2px;
}

.summary__item-price {
  font-weight: 700;
  color: var(--c-musgo);
  white-space: nowrap;
}

.summary__totals {
  border-top: 2px solid var(--c-musgo);
  padding-top: var(--s-4);
  margin-top: var(--s-5);
}

.summary__total-row {
  display: flex;
  justify-content: space-between;
  padding: var(--s-1) 0;
}

.summary__total-row--grand {
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-variation-settings: 'opsz' 60, 'SOFT' 70;
  font-weight: 500;
  color: var(--c-musgo);
  border-top: 1px dashed var(--c-salvia);
  margin-top: var(--s-3);
  padding-top: var(--s-3);
}

/* ============================================================
   Mensajes (info / éxito / error)
   ============================================================ */

.note {
  padding: var(--s-4) var(--s-5);
  border-radius: 14px;
  margin-bottom: var(--s-5);
  font-size: 0.95rem;
  line-height: 1.5;
}

.note--info {
  background: rgba(110, 142, 85, 0.10);
  border-left: 4px solid var(--c-oliva);
  color: var(--c-corteza);
}

.note--warn {
  background: rgba(196, 149, 67, 0.14);
  border-left: 4px solid var(--c-mostaza);
  color: var(--c-corteza);
}

.note--error {
  background: rgba(166, 64, 43, 0.10);
  border-left: 4px solid var(--c-rojo);
  color: var(--c-corteza);
}

.note--success {
  background: rgba(91, 122, 58, 0.12);
  border-left: 4px solid var(--c-verde-ok);
  color: var(--c-corteza);
}

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

.site-footer {
  margin-top: var(--s-9);
  padding-top: var(--s-6);
  border-top: 1px dashed var(--c-salvia);
  text-align: center;
  color: var(--c-tierra);
  font-size: 0.88rem;
  font-style: italic;
}

.site-footer p {
  margin: var(--s-2) 0;
}

/* ============================================================
   Utilidades
   ============================================================ */

.muted   { color: var(--c-tierra); }
.center  { text-align: center; }
.hidden  { display: none !important; }
.mt-3    { margin-top: var(--s-5); }
.mt-4    { margin-top: var(--s-6); }
.mt-5    { margin-top: var(--s-7); }

.divider {
  height: 1px;
  background: var(--c-salvia);
  border: none;
  margin: var(--s-7) 0;
  opacity: 0.5;
}

.kbd {
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.85em;
  background: var(--c-crema-osc);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--c-corteza);
}

/* Animación de entrada para la página */
.fade-in {
  animation: fadeIn 0.6s ease-out backwards;
}

.fade-in[data-delay="1"] { animation-delay: 0.1s; }
.fade-in[data-delay="2"] { animation-delay: 0.2s; }
.fade-in[data-delay="3"] { animation-delay: 0.3s; }
.fade-in[data-delay="4"] { animation-delay: 0.4s; }

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loader / spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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