/* ===== Variables y base ===== */
:root {
  --color-brand: #e6b800;
  --color-brand-dark: #c49a00;
  --color-brand-light: #f5d84d;
  --color-dark: #1a1a2e;
  --color-text: #333;
  --color-text-muted: #666;
  --color-bg: #fff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e0e0e0;
  --color-whatsapp: #25d366;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: min(1200px, 100% - 2rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

.container {
  width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ===== Top bar ===== */
.top-bar {
  background: var(--color-dark);
  color: #fff;
  font-size: 0.875rem;
  padding: 0.5rem 0;
}

.top-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-link {
  color: rgba(255,255,255,.9);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color .2s;
}

.top-link:hover {
  color: var(--color-brand);
}

.top-link .icon {
  flex-shrink: 0;
}

.top-schedule {
  color: rgba(255,255,255,.8);
}

.btn-top {
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--radius);
  color: #fff;
  transition: background .2s, border-color .2s;
}

.btn-top:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
}

@media (max-width: 768px) {
  .top-bar-right .top-schedule,
  .top-bar-right .btn-top {
    display: none;
  }
}

/* ===== Main nav ===== */
.main-nav {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-dark);
  padding: 0.4rem 0.6rem;
  border: 2px solid var(--color-dark);
  border-radius: var(--radius);
}

.logo:hover {
  color: var(--color-brand-dark);
  border-color: var(--color-brand-dark);
}

.search-wrap {
  flex: 1;
  min-width: 200px;
  max-width: 420px;
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg);
}

.search-input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 0;
  font: inherit;
  font-size: 0.9rem;
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-input:focus {
  outline: none;
}

.search-btn {
  padding: 0.6rem 1rem;
  border: 0;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background .2s, color .2s;
}

.search-btn:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-cotizacion {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--color-dark);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: background .2s, transform .15s;
  margin-left: auto;
}

.btn-cotizacion:hover {
  background: #2a2a4a;
  transform: translateY(-1px);
}

@media (max-width: 600px) {
  .nav-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .search-wrap {
    max-width: none;
  }
  .btn-cotizacion {
    align-self: flex-end;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font: inherit;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background .2s, color .2s, box-shadow .2s, transform .15s;
}

.btn-primary {
  background: var(--color-brand);
  color: var(--color-dark);
}

.btn-primary:hover {
  background: var(--color-brand-dark);
  color: #000;
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn-outline-sm {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.btn-outline-sm:hover {
  border-color: var(--color-brand);
  background: rgba(230, 184, 0, .08);
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  white-space: nowrap;
}

.btn-whatsapp:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

/* ===== Hero ===== */
.hero {
  padding: 3rem 0 4rem;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--color-dark);
}

.hero-title-light {
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero-desc {
  margin: 0 0 1.5rem;
  color: var(--color-text);
  max-width: 480px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-box {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  text-align: center;
  min-width: 280px;
}

.hero-product-icon {
  width: 160px;
  height: 160px;
  margin: 0 auto 1rem;
  background: var(--color-bg-alt);
  border-radius: 50%;
  position: relative;
}

.hero-product-icon::after {
  content: '';
  position: absolute;
  inset: 20%;
  border: 3px solid var(--color-border);
  border-radius: 50%;
  transform: rotate(-45deg);
}

.hero-product-name {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin: 0 0 0.25rem;
  color: var(--color-dark);
}

.hero-product-model {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.arrow {
  font-size: 1.2em;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== Sections ===== */
.section {
  padding: 3rem 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.5rem;
  color: var(--color-dark);
  text-align: center;
}

.section-desc {
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
  text-align: center;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-head .section-title,
.section-head .section-desc {
  text-align: left;
}

.section-head .section-desc {
  margin-bottom: 0;
}

.link-ver-todo {
  font-weight: 600;
  color: var(--color-brand-dark);
  flex-shrink: 0;
}

.link-ver-todo:hover {
  text-decoration: underline;
}

/* ===== Categories ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card-category {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow .2s, transform .15s;
  border: 1px solid transparent;
}

.card-category:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-brand);
}

.card-category-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-brand-dark);
}

.card-category-name {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--color-dark);
}

.card-category-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== CTA WhatsApp ===== */
.cta-whatsapp {
  background: var(--color-bg-alt);
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--color-dark);
}

.cta-desc {
  margin: 0;
  color: var(--color-text-muted);
}

/* ===== Products ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.card-product {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 0;
  border: 1px solid transparent;
  transition: box-shadow .2s, transform .15s, border-color .2s;
  display: flex;
  flex-direction: column;
}

.card-product:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-border);
}

.card-product-img {
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.card-product-sku {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0.75rem 1rem 0;
}

.card-product-name {
  font-size: 1rem;
  font-weight: 700;
  margin: 0.25rem 1rem 0;
  color: var(--color-dark);
}

.card-product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0.5rem 1rem 1rem;
  flex: 1;
}

.card-product .btn {
  margin: 0 1rem 1rem;
  margin-top: auto;
}

@media (max-width: 1000px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Contact ===== */
.contact .section-title {
  text-align: left;
}

.contact .section-desc {
  text-align: left;
  margin-bottom: 2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(230, 184, 0, .2);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.map-wrap {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.map-wrap iframe {
  display: block;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-details p {
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.contact-details .icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-brand-dark);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.85);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: #fff;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.75rem;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.4rem;
}

.footer-col a {
  color: rgba(255,255,255,.8);
  font-size: 0.9rem;
  transition: color .2s;
}

.footer-col a:hover {
  color: var(--color-brand);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  color: rgba(255,255,255,.8);
  transition: color .2s, transform .15s;
}

.footer-social a:hover {
  color: var(--color-brand);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.15);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,.7);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal a {
  font-size: 0.85rem;
  color: rgba(255,255,255,.7);
}

.footer-legal a:hover {
  color: var(--color-brand);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== FAB WhatsApp ===== */
.fab-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .5);
  z-index: 999;
  transition: transform .2s, box-shadow .2s;
}

.fab-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, .6);
}