/* ============================================
   Mevlox Distribuidora - Artigos Técnicos
   Design System v5.2 Signature
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Poppins:wght@600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --mev-primary: #182077;
  --mev-primary-dark: #111860;
  --mev-primary-light: #2535A0;
  --mev-accent: #97C120;
  --mev-accent-dark: #7DA019;
  --mev-bg-page: #F0F1F8;
  --mev-bg-card: #FFFFFF;
  --mev-bg-code: #111827;
  --mev-text-primary: #111827;
  --mev-text-secondary: #6B7280;
  --mev-text-muted: #9CA3AF;
  --mev-text-inverse: #FFFFFF;
  --mev-border: #E5E7EB;
  --mev-border-hover: #D1D5DB;
  --mev-success: #10B981;
  --mev-success-light: #D1FAE5;
  --mev-warning: #F59E0B;
  --mev-warning-light: #FEF3C7;
  --mev-error: #EF4444;
  --mev-error-light: #FEE2E2;
  --mev-info: #3B82F6;
  --mev-info-light: #DBEAFE;
  --mev-shadow-sm: 0 1px 2px rgba(0,0,0,0.03);
  --mev-shadow-md: 0 4px 6px rgba(0,0,0,0.05);
  --mev-shadow-lg: 0 10px 15px rgba(0,0,0,0.08);
  --mev-radius-sm: 4px;
  --mev-radius-md: 8px;
  --mev-radius-lg: 12px;
  --mev-radius-xl: 16px;
  --mev-font-body: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  --mev-font-heading: 'Poppins', 'Instrument Sans', system-ui, sans-serif;
  --mev-font-code: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--mev-font-body);
  color: var(--mev-text-primary);
  background: var(--mev-bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--mev-primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Layout --- */
.artigo-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .artigo-container { padding: 0 32px; }
}

/* --- Header --- */
.artigo-header {
  background: var(--mev-primary);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--mev-shadow-md);
}

.artigo-header .artigo-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.artigo-header__logo { height: 40px; width: auto; }

.artigo-header__nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.artigo-header__nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s;
}

.artigo-header__nav a:hover {
  color: #FFFFFF;
  text-decoration: none;
}

/* --- Hero --- */
.artigo-hero {
  background: var(--mev-bg-card);
  border-radius: 0 0 var(--mev-radius-xl) var(--mev-radius-xl);
  padding: 48px 0 40px;
  margin-bottom: 32px;
  box-shadow: var(--mev-shadow-sm);
}

.artigo-hero__content {
  text-align: center;
}

.artigo-hero__badge {
  display: inline-block;
  background: var(--mev-accent);
  color: var(--mev-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.artigo-hero__badge--discontinued {
  background: var(--mev-warning-light);
  color: #92400E;
}

.artigo-hero__title {
  font-family: var(--mev-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--mev-primary);
  margin-bottom: 8px;
  line-height: 1.25;
}

@media (min-width: 768px) {
  .artigo-hero__title { font-size: 2.25rem; }
}

.artigo-hero__subtitle {
  font-size: 1.125rem;
  color: var(--mev-text-secondary);
  margin-bottom: 24px;
}

.artigo-hero__image {
  max-width: 480px;
  margin: 24px auto 0;
  border-radius: var(--mev-radius-lg);
}

/* --- Sections --- */
.artigo-section {
  background: var(--mev-bg-card);
  border-radius: var(--mev-radius-lg);
  padding: 32px 24px;
  margin-bottom: 24px;
  box-shadow: var(--mev-shadow-sm);
}

@media (min-width: 768px) {
  .artigo-section { padding: 40px 32px; }
}

.artigo-section__title {
  font-family: var(--mev-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--mev-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--mev-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (min-width: 768px) {
  .artigo-section__title { font-size: 1.5rem; }
}

.artigo-section__title svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--mev-accent);
}

/* --- Tables --- */
.artigo-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -24px;
  padding: 0 24px;
}

.artigo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.artigo-table th {
  background: var(--mev-primary);
  color: var(--mev-text-inverse);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  white-space: nowrap;
}

.artigo-table th:first-child {
  border-radius: var(--mev-radius-md) 0 0 0;
}

.artigo-table th:last-child {
  border-radius: 0 var(--mev-radius-md) 0 0;
}

.artigo-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--mev-border);
  vertical-align: top;
}

.artigo-table tr:hover td {
  background: #F9FAFB;
}

.artigo-table .spec-label {
  font-weight: 600;
  color: var(--mev-text-primary);
  white-space: nowrap;
  width: 180px;
}

.artigo-table .highlight {
  background: #F0FDF4;
  font-weight: 600;
  color: #065F46;
}

.artigo-table .winner {
  background: var(--mev-accent);
  color: var(--mev-primary);
  font-weight: 700;
  border-radius: var(--mev-radius-sm);
  padding: 2px 8px;
  display: inline-block;
}

/* --- Code Blocks --- */
.artigo-code {
  position: relative;
  margin: 16px 0;
}

.artigo-code__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #1F2937;
  color: #D1D5DB;
  padding: 8px 16px;
  border-radius: var(--mev-radius-md) var(--mev-radius-md) 0 0;
  font-family: var(--mev-font-code);
  font-size: 0.75rem;
  font-weight: 500;
}

.artigo-code__copy {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #D1D5DB;
  padding: 4px 12px;
  border-radius: var(--mev-radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--mev-font-body);
  transition: all 0.15s;
}

.artigo-code__copy:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
}

.artigo-code pre {
  background: var(--mev-bg-code);
  color: #E5E7EB;
  padding: 20px;
  border-radius: 0 0 var(--mev-radius-md) var(--mev-radius-md);
  overflow-x: auto;
  font-family: var(--mev-font-code);
  font-size: 0.8125rem;
  line-height: 1.7;
  tab-size: 4;
}

.artigo-code pre .comment { color: #6B7280; }
.artigo-code pre .keyword { color: #93C5FD; }
.artigo-code pre .string { color: #86EFAC; }
.artigo-code pre .value { color: #FCD34D; }
.artigo-code pre .section { color: #C4B5FD; font-weight: 600; }

/* --- Cards Grid --- */
.artigo-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0;
}

@media (min-width: 640px) {
  .artigo-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .artigo-cards--3 { grid-template-columns: repeat(3, 1fr); }
}

.artigo-card {
  background: var(--mev-bg-page);
  border-radius: var(--mev-radius-md);
  padding: 20px;
  border: 1px solid var(--mev-border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.artigo-card:hover {
  box-shadow: var(--mev-shadow-md);
  border-color: var(--mev-border-hover);
}

.artigo-card__icon {
  width: 40px;
  height: 40px;
  background: var(--mev-primary);
  color: var(--mev-text-inverse);
  border-radius: var(--mev-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.artigo-card__icon svg { width: 20px; height: 20px; }

.artigo-card__title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--mev-primary);
  margin-bottom: 8px;
}

.artigo-card__text {
  font-size: 0.875rem;
  color: var(--mev-text-secondary);
  line-height: 1.5;
}

/* --- Box List (O que vem na caixa) --- */
.artigo-box-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  list-style: none;
}

@media (min-width: 640px) {
  .artigo-box-list { grid-template-columns: repeat(3, 1fr); }
}

.artigo-box-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--mev-text-primary);
  padding: 8px 12px;
  background: var(--mev-bg-page);
  border-radius: var(--mev-radius-sm);
}

.artigo-box-list li svg {
  width: 18px;
  height: 18px;
  color: var(--mev-accent-dark);
  flex-shrink: 0;
}

/* --- Block Diagram --- */
.artigo-diagram {
  background: var(--mev-bg-page);
  border-radius: var(--mev-radius-md);
  padding: 24px;
  margin: 16px 0;
  text-align: center;
}

.artigo-diagram svg {
  max-width: 100%;
  height: auto;
}

/* --- Benchmark Bars --- */
.artigo-bench { margin: 12px 0; }

.artigo-bench__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8125rem;
  margin-bottom: 4px;
}

.artigo-bench__name { font-weight: 600; color: var(--mev-text-primary); }
.artigo-bench__value { font-weight: 700; color: var(--mev-primary); font-size: 0.875rem; }

.artigo-bench__bar {
  height: 8px;
  background: var(--mev-border);
  border-radius: 9999px;
  overflow: hidden;
}

.artigo-bench__fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, var(--mev-primary), var(--mev-accent));
  transition: width 0.6s ease;
}

/* --- Alert/Notice --- */
.artigo-alert {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-radius: var(--mev-radius-md);
  font-size: 0.875rem;
  margin: 16px 0;
}

.artigo-alert--info { background: var(--mev-info-light); color: #1E40AF; }
.artigo-alert--warning { background: var(--mev-warning-light); color: #92400E; }
.artigo-alert--success { background: var(--mev-success-light); color: #065F46; }
.artigo-alert--error { background: var(--mev-error-light); color: #991B1B; }

.artigo-alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.artigo-alert strong { font-weight: 700; }

/* --- CTA Section --- */
.artigo-cta {
  background: var(--mev-primary);
  border-radius: var(--mev-radius-lg);
  padding: 40px 32px;
  margin-bottom: 24px;
  text-align: center;
  color: var(--mev-text-inverse);
}

.artigo-cta__title {
  font-family: var(--mev-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.artigo-cta__text {
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  font-size: 1rem;
}

.artigo-cta__buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.artigo-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--mev-radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.artigo-btn--accent {
  background: var(--mev-accent);
  color: var(--mev-primary);
}

.artigo-btn--accent:hover {
  background: var(--mev-accent-dark);
  text-decoration: none;
}

.artigo-btn--outline {
  background: transparent;
  color: var(--mev-text-inverse);
  border: 2px solid rgba(255,255,255,0.4);
}

.artigo-btn--outline:hover {
  border-color: #FFFFFF;
  text-decoration: none;
}

/* --- Footer --- */
.artigo-footer {
  background: var(--mev-bg-code);
  color: rgba(255,255,255,0.7);
  padding: 32px 0;
  margin-top: 16px;
  font-size: 0.8125rem;
}

.artigo-footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

@media (min-width: 768px) {
  .artigo-footer__content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.artigo-footer__logo { height: 32px; width: auto; opacity: 0.8; }

.artigo-footer__info { line-height: 1.8; }

.artigo-footer a { color: var(--mev-accent); }

/* --- Comparison (artigo comparativo) --- */
.artigo-compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 20px 0;
}

@media (min-width: 768px) {
  .artigo-compare-grid { grid-template-columns: repeat(3, 1fr); }
}

.artigo-compare-card {
  background: var(--mev-bg-page);
  border-radius: var(--mev-radius-lg);
  padding: 24px;
  text-align: center;
  border: 2px solid var(--mev-border);
  transition: all 0.2s;
}

.artigo-compare-card:hover {
  border-color: var(--mev-accent);
  box-shadow: var(--mev-shadow-md);
}

.artigo-compare-card--recommended {
  border-color: var(--mev-accent);
  position: relative;
}

.artigo-compare-card--recommended::before {
  content: 'RECOMENDADO';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--mev-accent);
  color: var(--mev-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.artigo-compare-card__image {
  max-width: 200px;
  margin: 0 auto 16px;
}

.artigo-compare-card__name {
  font-family: var(--mev-font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--mev-primary);
  margin-bottom: 4px;
}

.artigo-compare-card__price {
  font-size: 0.875rem;
  color: var(--mev-text-secondary);
  margin-bottom: 16px;
}

.artigo-compare-card__specs {
  list-style: none;
  text-align: left;
  font-size: 0.8125rem;
}

.artigo-compare-card__specs li {
  padding: 6px 0;
  border-bottom: 1px solid var(--mev-border);
  display: flex;
  justify-content: space-between;
}

.artigo-compare-card__specs li:last-child { border-bottom: none; }
.artigo-compare-card__specs .spec-val { font-weight: 600; }

/* --- TOC (Table of Contents) --- */
.artigo-toc {
  background: var(--mev-bg-page);
  border-radius: var(--mev-radius-md);
  padding: 20px;
  margin: 16px 0;
  border-left: 3px solid var(--mev-accent);
}

.artigo-toc__title {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--mev-primary);
  margin-bottom: 8px;
}

.artigo-toc ol {
  padding-left: 20px;
  font-size: 0.875rem;
  line-height: 2;
}

.artigo-toc a { color: var(--mev-primary-light); font-weight: 500; }

/* --- Print / PDF --- */
@media print {
  body { background: #FFFFFF; }
  .artigo-header { position: static; box-shadow: none; }
  .artigo-section { box-shadow: none; break-inside: avoid; }
  .artigo-code pre { white-space: pre-wrap; word-wrap: break-word; }
  .artigo-cta { background: var(--mev-primary) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .artigo-footer { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .artigo-code__copy { display: none; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }

/* --- Product Image Gallery --- */
.artigo-gallery {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.artigo-gallery__item {
  width: 120px;
  height: 90px;
  border-radius: var(--mev-radius-md);
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255,255,255,0.05);
}

.artigo-gallery__item:hover {
  border-color: var(--mev-accent);
  transform: scale(1.05);
}

.artigo-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.artigo-gallery__item--active {
  border-color: var(--mev-accent);
}

@media (max-width: 480px) {
  .artigo-gallery__item { width: 80px; height: 60px; }
}