/* ── KAFRY CATÁLOGO — style.css ── */

:root {
  --orange:       #e85d04;
  --orange-dark:  #c44d00;
  --orange-light: #fff0e6;
  --blue:         #1b4f9e;
  --blue-dark:    #113978;
  --blue-light:   #e8eef8;
  --white:        #ffffff;
  --off-white:    #f7f8fa;
  --gray:         #6b7280;
  --gray-light:   #e5e7eb;
  --black:        #111827;
  --mono:         'IBM Plex Mono', monospace;
  --sans:         'IBM Plex Sans', sans-serif;
  --display:      'Bebas Neue', sans-serif;
}

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

body {
  background: var(--off-white);
  color: var(--black);
  font-family: var(--sans);
  min-height: 100vh;
  /* Evita scroll horizontal en móvil */
  overflow-x: hidden;
}

/* ════════════════════════════════════════
   ENCABEZADO
════════════════════════════════════════ */
header {
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--orange);
  gap: 1rem;
}
.logo {
  font-family: var(--display);
  font-size: 1.9rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
}
.logo span { color: var(--orange); }

/* Instagram en el header */
.header-ig {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  transition: color 0.15s;
  white-space: nowrap;
}
.header-ig:hover { color: var(--white); }
.header-ig svg { flex-shrink: 0; }
/* Ocultar texto en móvil pequeño, dejar solo ícono */
@media (max-width: 400px) {
  .header-ig span { display: none; }
}

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
  background: var(--blue-dark);
  color: var(--white);
  padding: 3rem 2rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  border-bottom: 3px solid var(--orange);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: 'KAFRY';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--display);
  font-size: 12rem;
  color: rgba(255,255,255,0.04);
  letter-spacing: 0.05em;
  pointer-events: none;
  user-select: none;
}
.hero-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: 5rem;
  line-height: 0.92;
  letter-spacing: 0.03em;
}
.hero h1 em { color: var(--orange); font-style: normal; }

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.hero-intro {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.75;
  font-weight: 300;
}
.hero-services {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.hero-services li {
  font-size: 0.88rem;
  color: var(--white);
  padding-left: 1.4rem;
  position: relative;
}
.hero-services li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-size: 0.78rem;
}
.hero-sub {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  font-weight: 300;
  font-style: italic;
  border-left: 2px solid var(--orange);
  padding-left: 0.85rem;
}
.hero-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.stat-n {
  font-family: var(--display);
  font-size: 1.9rem;
  color: var(--orange);
  display: block;
  letter-spacing: 0.05em;
  line-height: 1;
}
.stat-l {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ════════════════════════════════════════
   LAYOUT PRINCIPAL
════════════════════════════════════════ */
.page {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--blue);
}
.section-title {
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  color: var(--blue);
}
.section-count {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--gray);
  letter-spacing: 0.08em;
}

/* ════════════════════════════════════════
   TIRA DE CATEGORÍAS
════════════════════════════════════════ */
.cat-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-top: 1.5px solid var(--gray-light);
  border-left: 1.5px solid var(--gray-light);
  margin-bottom: 2rem;
}
.cat-item {
  border-right: 1.5px solid var(--gray-light);
  border-bottom: 1.5px solid var(--gray-light);
  padding: 0.85rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
  color: var(--black);
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  /* Área táctil mínima recomendada */
  min-height: 80px;
  justify-content: center;
}
.cat-item:hover,
.cat-item:active {
  background: var(--blue-light);
  border-color: var(--blue);
}
.cat-item img {
  width: 100%;
  max-height: 55px;
  object-fit: contain;
  display: block;
}
.cat-name {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  line-height: 1.3;
}

/* ════════════════════════════════════════
   TOOLBAR — BÚSQUEDA Y FILTROS
════════════════════════════════════════ */
.toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.search-input {
  width: 100%;
  max-width: 520px;
  padding: 0.75rem 1rem;
  font-family: var(--sans);
  font-size: 1rem;         /* mín. 16px para evitar zoom automático en iOS */
  border: 2px solid var(--gray-light);
  background: var(--white);
  color: var(--black);
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  transition: border-color 0.15s;
}
.search-input:focus { border-color: var(--blue); }
.search-input::placeholder { color: var(--gray); }

.filters {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.filter-btn {
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  padding: 0.4rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  /* Área táctil cómoda */
  min-height: 36px;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  color: var(--black);
  -webkit-tap-highlight-color: transparent;
}
.filter-btn:hover,
.filter-btn:active {
  background: var(--blue-light);
  border-color: var(--blue);
  color: var(--blue);
}
.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange-dark);
  color: var(--white);
}

/* ════════════════════════════════════════
   CUADRÍCULA DE PRODUCTOS
════════════════════════════════════════ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0;
  border-top: 1.5px solid var(--gray-light);
  border-left: 1.5px solid var(--gray-light);
}
.product-card {
  border-right: 1.5px solid var(--gray-light);
  border-bottom: 1.5px solid var(--gray-light);
  background: var(--white);
  display: flex;
  flex-direction: column;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.product-card:hover,
.product-card:active {
  background: var(--blue-light);
  border-color: var(--blue);
  z-index: 1;
}

/* Imagen */
.product-img {
  aspect-ratio: 1 / 1;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1.5px solid var(--gray-light);
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.6rem;
  transition: transform 0.2s ease;
}
.product-card:hover .product-img img { transform: scale(1.04); }
.product-card:hover .product-img { border-color: var(--blue); }
.img-placeholder {
  font-size: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--gray-light);
}

/* Cuerpo */
.product-body {
  padding: 0.75rem 0.85rem 0.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}
.product-cat {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  text-transform: uppercase;
}
.product-name {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--black);
}
.product-brand {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--blue);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.product-color {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--gray);
}
.product-sku {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--gray);
  letter-spacing: 0.07em;
  margin-top: auto;
  padding-top: 0.4rem;
}

/* Precio */
.product-footer {
  padding: 0.5rem 0.85rem 0.75rem;
  border-top: 1.5px solid var(--gray-light);
}
.product-card:hover .product-footer { border-color: var(--blue); }
.product-price {
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--orange);
  letter-spacing: 0.04em;
  line-height: 1;
}
.product-price-na {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--gray);
  font-style: italic;
}

/* Sin resultados */
.no-results {
  text-align: center;
  padding: 3rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  border: 1.5px dashed var(--gray-light);
  margin-top: 1rem;
}

/* ════════════════════════════════════════
   PIE DE PÁGINA
════════════════════════════════════════ */
footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.55);
  padding: 2.5rem 2rem;
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 2rem;
  align-items: start;
  border-top: 3px solid var(--orange);
}
.footer-logo {
  font-family: var(--display);
  font-size: 1.7rem;
  color: var(--white);
  margin-bottom: 0.6rem;
  letter-spacing: 0.08em;
}
.footer-logo span { color: var(--orange); }
.footer-about p {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 0.85rem;
}

/* Instagram en el footer */
.footer-ig {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--orange);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  border: 1.5px solid var(--orange);
  padding: 0.35rem 0.75rem;
  transition: background 0.15s, color 0.15s;
  margin-top: 0.25rem;
}
.footer-ig:hover {
  background: var(--orange);
  color: var(--white);
}

.footer-col h4,
.footer-contact h4 {
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.85rem;
}
.footer-col ul,
.footer-contact ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.footer-col ul li,
.footer-contact ul li {
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.55);
}
.footer-col ul li a,
.footer-contact ul li a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.12s;
}
.footer-col ul li a:hover,
.footer-contact ul li a:hover { color: var(--orange); }

.footer-icon { margin-right: 0.3rem; }

.footer-contact a[href^="tel"] {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--orange);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.12s;
}
.footer-contact a[href^="tel"]:hover { color: var(--white); }

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25);
}

/* ════════════════════════════════════════
   RESPONSIVE — TABLET (≤ 1024px)
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .cat-strip { grid-template-columns: repeat(4, 1fr); }
  footer { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 4rem; }
}

/* ════════════════════════════════════════
   RESPONSIVE — TABLET PEQUEÑA (≤ 768px)
════════════════════════════════════════ */
@media (max-width: 768px) {
  header { padding: 0 1.25rem; height: 56px; }
  .logo { font-size: 1.6rem; }

  /* Hero apilado en móvil */
  .hero {
    grid-template-columns: 1fr;
    padding: 2rem 1.25rem;
    gap: 1.75rem;
  }
  .hero::before { font-size: 7rem; opacity: 1; }
  .hero h1 { font-size: 3.8rem; }

  .cat-strip { grid-template-columns: repeat(3, 1fr); }

  .page { padding: 1.5rem 1rem; }

  /* Grid de productos: 2 columnas en tablet */
  .product-grid { grid-template-columns: repeat(2, 1fr); }

  footer {
    grid-template-columns: 1fr 1fr;
    padding: 2rem 1.25rem;
    gap: 1.5rem;
  }

  .search-input { max-width: 100%; }
}

/* ════════════════════════════════════════
   RESPONSIVE — MÓVIL (≤ 480px)
════════════════════════════════════════ */
@media (max-width: 480px) {
  .logo { font-size: 1.4rem; }
  .header-ig { font-size: 0.65rem; gap: 0.3rem; }

  .hero { padding: 1.75rem 1rem; gap: 1.5rem; }
  .hero h1 { font-size: 3rem; }
  .hero-intro { font-size: 0.88rem; }
  .hero-services li { font-size: 0.84rem; }
  .hero-stats { gap: 1.25rem; }
  .stat-n { font-size: 1.6rem; }

  .cat-strip { grid-template-columns: repeat(2, 1fr); }
  .cat-item { min-height: 90px; }
  .cat-name { font-size: 0.58rem; }

  /* Grid de productos: 2 columnas en móvil */
  .product-grid { grid-template-columns: repeat(2, 1fr); }

  .product-name { font-size: 0.8rem; }
  .product-price { font-size: 1.2rem; }

  footer {
    grid-template-columns: 1fr;
    padding: 1.75rem 1rem;
  }

  .section-title { font-size: 1.4rem; }
}

/* ════════════════════════════════════════
   BOTÓN MODO OSCURO
════════════════════════════════════════ */
.dark-toggle {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: var(--white);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.dark-toggle:hover {
  border-color: var(--orange);
  background: rgba(255,255,255,0.08);
}
/* Por defecto muestra la luna, oculta el sol */
.dark-toggle .icon-sun  { display: none; }
.dark-toggle .icon-moon { display: block; }

/* En modo oscuro: muestra el sol, oculta la luna */
.dark .dark-toggle .icon-sun  { display: block; }
.dark .dark-toggle .icon-moon { display: none; }

/* ════════════════════════════════════════
   MODO OSCURO — VARIABLES
════════════════════════════════════════ */
:root.dark {
  --blue:         #2a6dd9;
  --blue-dark:    #0d1f3c;
  --blue-light:   #1a2840;
  --white:        #e8ecf0;
  --off-white:    #111318;
  --gray:         #8a95a3;
  --gray-light:   #2a2f3a;
  --black:        #e2e8f0;
}

/* ── Fondo general ── */
.dark body {
  background: #0f1117;
  color: #e2e8f0;
}

/* ── Header ── */
.dark header {
  background: #0d1117;
  border-bottom-color: var(--orange);
}

/* ── Hero ── */
.dark .hero {
  background: #0d1117;
  border-bottom-color: var(--orange);
}
.dark .hero-right {
  background: #161b24;
  border-color: #2a2f3a;
}
.dark .hero-intro   { color: rgba(232,236,240,0.8); }
.dark .hero-sub     { color: rgba(232,236,240,0.5); }
.dark .hero-stats   { border-top-color: rgba(255,255,255,0.08); }

/* ── Categorías ── */
.dark .cat-strip    { border-color: #2a2f3a; }
.dark .cat-item     { background: #161b24; border-color: #2a2f3a; color: #e2e8f0; }
.dark .cat-item:hover { background: var(--blue-light); border-color: var(--blue); }
.dark .cat-name     { color: #6b9ed4; }

/* ── Buscador ── */
.dark .search-input {
  background: #161b24;
  border-color: #2a2f3a;
  color: #e2e8f0;
}
.dark .search-input::placeholder { color: #4a5568; }
.dark .search-input:focus { border-color: var(--blue); }

/* ── Filtros ── */
.dark .filter-btn {
  background: #161b24;
  border-color: #2a2f3a;
  color: #8a95a3;
}
.dark .filter-btn:hover {
  background: var(--blue-light);
  border-color: var(--blue);
  color: #e2e8f0;
}
.dark .filter-btn.active {
  background: var(--orange);
  border-color: var(--orange-dark);
  color: #fff;
}

/* ── Sección header ── */
.dark .section-header { border-bottom-color: #2a2f3a; }
.dark .section-title  { color: #e2e8f0; }
.dark .section-count  { color: #4a5568; }

/* ── Tarjetas ── */
.dark .product-grid   { border-color: #2a2f3a; background: #2a2f3a; }
.dark .product-card   { background: #161b24; border-color: #2a2f3a; }
.dark .product-card:hover { background: #1a2840; border-color: var(--blue); }
.dark .product-img    { background: #0f1117; border-color: #2a2f3a; }
.dark .product-card:hover .product-img { border-color: var(--blue); }
.dark .product-name   { color: #e2e8f0; }
.dark .product-sku,
.dark .product-color  { color: #4a5568; }
.dark .product-footer { border-color: #2a2f3a; }
.dark .product-card:hover .product-footer { border-color: #1a2840; }
.dark .product-price-na { color: #4a5568; }

/* ── Sin resultados ── */
.dark .no-results { border-color: #2a2f3a; color: #4a5568; }

/* ── Footer ── */
.dark footer          { background: #0d1117; border-top-color: var(--orange); }
.dark .footer-copy    { border-top-color: #2a2f3a; color: rgba(255,255,255,0.2); }