/* ==========================================================================
   PERFIDIA.WEB — base.css
   Reset, variables, tipografía, botones, utilidades globales
   ========================================================================== */

/* -------- VARIABLES -------- */
:root {
  --black: #111111;
  --white: #ffffff;
  --gray-light: #f5f5f5;
  --gray-mid: #e0e0e0;
  --gray-text: #666666;
  --accent: #111111;
  --success: #27ae60;
  --danger: #c0392b;
  --mp-blue: #009ee3;
  --font: 'Helvetica Neue', Arial, sans-serif;
}

/* -------- RESET -------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* -------- LAYOUT HELPERS -------- */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px;
}

.section-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 40px;
  opacity: 0.5;
}

/* -------- BOTONES -------- */
.btn-primary {
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 14px 36px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  display: inline-block;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: 0.8; }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1.5px solid var(--black);
  padding: 12px 32px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
}
.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}

/* -------- TOAST -------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--black);
  color: var(--white);
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: 0.05em;
  z-index: 9999;
  transition: transform .3s cubic-bezier(.4, 0, .2, 1);
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* -------- ANNOUNCEMENT BAR -------- */
.announcement {
  background: var(--black);
  color: var(--white);
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 9px 16px;
  font-weight: 500;
}

/* -------- PROMO BANNER -------- */
.promo-banner {
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: 18px 24px;
}
.promo-banner h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.promo-banner p {
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-top: 4px;
  opacity: 0.65;
  text-transform: uppercase;
}

/* -------- HERO SLIDER -------- */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--gray-light);
}
.slides {
  display: flex;
  transition: transform 0.5s ease;
}
.slide {
  min-width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  position: relative;
}
.slide-1 { background: #e8e0d8; }
.slide-2 { background: #d8dde8; }
.slide-3 { background: #e8d8d8; }

.slide-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slide-placeholder svg { opacity: 0.15; }

.slide-content {
  position: relative;
  z-index: 2;
}
.slide-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.6;
}
.slide-title {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.slide-sub {
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
  opacity: 0.65;
}

.slider-nav {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  border: none;
  transition: background .2s;
}
.dot.active { background: var(--black); }

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  border: 1px solid var(--gray-mid);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  font-size: 16px;
  transition: background .15s;
}
.slider-arrow:hover { background: var(--gray-light); }
.arrow-left { left: 16px; }
.arrow-right { right: 16px; }

/* -------- CATEGORIES GRID -------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.category-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
  background: var(--gray-light);
}
.category-card.wide {
  grid-column: span 2;
  aspect-ratio: auto;
}
.category-card img,
.cat-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.cat-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-light);
}
.category-card:hover .cat-placeholder svg,
.category-card:hover img {
  transform: scale(1.04);
}
.cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.cat-label {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* -------- PRODUCTS GRID -------- */
.products-section {
  background: var(--gray-light);
  padding: 56px 0;
}
.products-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.products-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.products-header h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.products-header a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: underline;
  opacity: 0.5;
  transition: opacity .15s;
}
.products-header a:hover { opacity: 1; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.product-card {
  background: var(--white);
  cursor: pointer;
  transition: transform .2s;
}
.product-card:hover { transform: translateY(-3px); }

.product-img {
  aspect-ratio: 3/4;
  background: var(--gray-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--black);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  text-transform: uppercase;
}
.product-badge.sale { background: var(--danger); }

.product-info { padding: 12px 14px 16px; }
.product-name {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.product-price {
  font-size: 14px;
  font-weight: 700;
}
.product-price .old {
  font-size: 12px;
  text-decoration: line-through;
  opacity: 0.4;
  font-weight: 400;
  margin-right: 6px;
}
.product-add {
  width: 100%;
  margin-top: 10px;
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: opacity .15s;
}
.product-add:hover { opacity: 0.75; }

/* -------- BENEFITS BAR -------- */
.benefits {
  border-top: 1px solid var(--gray-mid);
  border-bottom: 1px solid var(--gray-mid);
}
.benefits-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.benefit {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid var(--gray-mid);
}
.benefit:last-child { border-right: none; }
.benefit-icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.benefit-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.benefit-desc {
  font-size: 12px;
  color: var(--gray-text);
  line-height: 1.6;
  letter-spacing: 0.03em;
}

/* -------- RESPONSIVE BASE -------- */
@media (max-width: 900px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card.wide { grid-column: span 2; }
  .slide-title { font-size: 36px; }
}

@media (max-width: 600px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .categories-grid { grid-template-columns: 1fr; }
  .category-card.wide { grid-column: auto; }
  .benefits-inner { grid-template-columns: 1fr; }
  .benefit {
    border-right: none;
    border-bottom: 1px solid var(--gray-mid);
  }
  .benefit:last-child { border-bottom: none; }
  .slide { height: 340px; }
  .slide-title { font-size: 28px; }
}