/* ==========================================================================
   VENDARI.DIGITAL — Urban Tech Ergonomics & Minimalist Gear (Argentina)
   Estilo Editorial Limpio, Responsivo y Conforme con Google Ads
   ========================================================================== */

:root {
  --color-primary: #0f172a;       /* Slate 900 */
  --color-primary-light: #1e293b; /* Slate 800 */
  --color-accent: #0284c7;        /* Sky 600 */
  --color-accent-hover: #0369a1;  /* Sky 700 */
  --color-accent-subtle: #f0f9ff; /* Sky 50 */
  --color-text: #334155;          /* Slate 700 */
  --color-text-dark: #0f172a;     /* Slate 900 */
  --color-text-muted: #64748b;    /* Slate 500 */
  --color-bg: #f8fafc;            /* Slate 50 */
  --color-surface: #ffffff;
  --color-border: #e2e8f0;        /* Slate 200 */
  --color-border-subtle: #f1f5f9;
  --color-success: #059669;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Top Announcement Bar */
.top-bar {
  background: var(--color-primary);
  color: #94a3b8;
  font-size: 0.8rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #1e293b;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Header & Navigation */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-dark);
}

.brand-badge {
  background: var(--color-primary);
  color: #ffffff;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
}

.brand-digital {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.4rem 0;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: #ffffff;
}

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

.btn-outline:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
}

/* Badges */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem auto;
}

.section-head h2 {
  font-size: 2.1rem;
  color: var(--color-text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Hero */
.hero {
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 4.5rem 0 5rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--color-text-dark);
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 2rem;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.25rem;
  color: var(--color-text-dark);
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Product Cards (Catalog / Grid) */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.product-img-wrap {
  aspect-ratio: 1 / 1;
  background: #f1f5f9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.03);
}

.product-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.product-title {
  font-size: 1.2rem;
  color: var(--color-text-dark);
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
  gap: 0.5rem;
}

/* Product Detail Page Specifics */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-separator {
  color: #cbd5e1;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 90px;
}

.product-gallery-main {
  aspect-ratio: 1 / 1;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.spec-table tr {
  border-bottom: 1px solid var(--color-border);
}

.spec-table th {
  text-align: left;
  padding: 0.75rem 0;
  color: var(--color-text-muted);
  font-weight: 500;
  width: 35%;
}

.spec-table td {
  padding: 0.75rem 0;
  color: var(--color-text-dark);
  font-weight: 600;
}

/* Interactive Widget (Ergonomic Calculator) */
.widget-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-text-dark);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Order Summary Box */
.order-summary-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 1.5rem;
}

.order-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.92rem;
}

.order-summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-dark);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid #1e293b;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

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

.footer-col ul li {
  margin-bottom: 0.65rem;
}

.footer-col ul a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #64748b;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .product-gallery {
    position: static;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .top-bar-inner {
    flex-direction: column;
    text-align: center;
  }

  .nav-links {
    display: none; /* Can be expanded or simplified for mobile */
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}