/* ============================================
   DIAGNOSTIC AUTO — style.css
   ecu-service.fr
============================================ */

/* ============================================
   FONTS LOCALES
============================================ */

/* Rajdhani — weight 400 à 700 depuis fichier unique (bold synthétique) */
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/rajdhani-400.woff2') format('woff2');
}

/* IBM Plex Mono 400 */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400.woff2') format('woff2');
}

/* IBM Plex Mono 500 */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-500.woff2') format('woff2');
}

/* IBM Plex Mono 600 */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-600.woff2') format('woff2');
}

/* IBM Plex Mono 700 */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-700.woff2') format('woff2');
}

/* Inter 300 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/inter-300.woff2') format('woff2');
}

/* Inter 400 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400.woff2') format('woff2');
}

/* Inter 500 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500.woff2') format('woff2');
}

/* Inter 600 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600.woff2') format('woff2');
}

/* ============================================
   VARIABLES & RESET
============================================ */
:root {
  --bg:          #0a0c0f;
  --bg2:         #111418;
  --bg3:         #181c22;
  --border:      #1e2530;
  --accent:      #e8a020;
  --accent-dim:  rgba(232,160,32,0.12);
  --green:       #00c896;
  --red:         #ff4757;
  --orange:      #ff6b35;
  --blue:        #3d8bff;
  --text:        #d0d8e8;
  --text-dim:    #b0bbd0;
  --text-bright: #f0f4ff;
  --radius:      6px;
  --max-width:   1140px;
  --font-main:   'Inter', sans-serif;
  --font-display:'Rajdhani', sans-serif;
  --font-mono:   'IBM Plex Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text-bright); }

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

/* ============================================
   GRID BACKGROUND
============================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,160,32,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,160,32,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   HEADER / NAV
============================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,12,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -1px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 1px;
}

.logo-text span { color: var(--accent); }

nav { display: flex; align-items: center; gap: 4px; }

nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all 0.2s;
  white-space: nowrap;
}

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

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 12px 24px 16px;
}

.mobile-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: block;
}

.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav.open { display: flex; }

/* ============================================
   BREADCRUMB
============================================ */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--accent); }

/* ============================================
   MAIN / CONTAINER
============================================ */
main {
  flex: 1;
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.layout-full { max-width: 860px; }

/* ============================================
   PAGE HERO
============================================ */
.page-hero {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.page-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 1px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.page-hero h1 span { color: var(--accent); }

.page-hero .lead {
  font-size: 17px;
  color: var(--text);
  line-height: 1.7;
  max-width: 680px;
  font-weight: 300;
}

.page-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.page-meta span { display: flex; align-items: center; gap: 6px; }

/* ============================================
   TYPOGRAPHY
============================================ */
h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 1px;
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

h2::before {
  content: '// ';
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7em;
}

h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-bright);
  margin: 32px 0 14px;
}

p { margin-bottom: 20px; color: var(--text); }

ul, ol { margin: 0 0 20px 20px; color: var(--text); }
li { margin-bottom: 8px; }

strong { color: var(--text-bright); font-weight: 600; }

code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg3);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* ============================================
   COMPOSANTS
============================================ */

/* Card */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

/* Alert */
.alert {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 24px 0;
  border-left: 3px solid;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
}

.alert-info   { background: rgba(61,139,255,0.08);  border-color: var(--blue);   color: var(--text); }
.alert-tip    { background: rgba(0,200,150,0.08);   border-color: var(--green);  color: var(--text); }
.alert-warn   { background: rgba(232,160,32,0.08);  border-color: var(--accent); color: var(--text); }
.alert-danger { background: rgba(255,71,87,0.08);   border-color: var(--red);    color: var(--text); }
.alert-icon   { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  font-weight: 500;
}

.badge-green  { background: rgba(0,200,150,0.12);  color: var(--green);  border: 1px solid rgba(0,200,150,0.3); }
.badge-orange { background: rgba(232,160,32,0.12); color: var(--accent); border: 1px solid rgba(232,160,32,0.3); }
.badge-red-o  { background: rgba(255,107,53,0.12); color: var(--orange); border: 1px solid rgba(255,107,53,0.3); }
.badge-red    { background: rgba(255,71,87,0.12);  color: var(--red);    border: 1px solid rgba(255,71,87,0.3); }
.badge-blue   { background: rgba(61,139,255,0.12); color: var(--blue);   border: 1px solid rgba(61,139,255,0.3); }

/* Severity dot */
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  vertical-align: middle;
  margin-right: 6px;
}
.dot-low    { background: var(--green);  box-shadow: 0 0 5px var(--green); }
.dot-medium { background: var(--accent); box-shadow: 0 0 5px var(--accent); }
.dot-high   { background: var(--orange); box-shadow: 0 0 5px var(--orange); }
.dot-crit   { background: var(--red);    box-shadow: 0 0 5px var(--red); }

/* Table */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table { width: 100%; border-collapse: collapse; background: var(--bg2); }

thead tr { background: var(--bg3); border-bottom: 2px solid var(--accent); }

th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(232,160,32,0.03); }

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #ffb830; color: #000; }

.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent-dim); color: var(--accent); }

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 24px; }

.sidebar-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.sidebar-block h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.sidebar-block ul { list-style: none; margin: 0; padding: 0; }

.sidebar-block li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.sidebar-block li:last-child { border-bottom: none; }
.sidebar-block a { color: var(--text); }
.sidebar-block a:hover { color: var(--accent); }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 10px;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.tag:hover { border-color: var(--accent); color: var(--accent); }

/* TOC */
.toc {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 32px 0;
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.toc ol { margin: 0 0 0 18px; padding: 0; }
.toc li { margin-bottom: 6px; font-size: 14px; }
.toc a { color: var(--text); }
.toc a:hover { color: var(--accent); }

/* ============================================
   FOOTER
============================================ */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}

.footer-inner { max-width: var(--max-width); margin: 0 auto; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 8px 0 0;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13px; color: var(--text-dim); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--accent); }

/* ============================================
   SCROLLBAR
============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav-inner { padding: 0 16px; }
  nav { display: none; }
  .burger { display: flex; }
  .container { padding: 32px 16px 60px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================
   TYPES DE VALISES
============================================ */
.type-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  transition: border-color 0.2s;
}

.type-card:hover { border-color: var(--accent); }

.type-card-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.type-icon { font-size: 36px; flex-shrink: 0; line-height: 1; }

.type-card-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-bright);
  margin: 0 0 6px;
}

.type-price {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
}

.type-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.pros {
  background: rgba(0,200,150,0.06);
  border: 1px solid rgba(0,200,150,0.2);
  border-radius: 4px;
  padding: 14px 16px;
}

.cons {
  background: rgba(255,71,87,0.06);
  border: 1px solid rgba(255,71,87,0.2);
  border-radius: 4px;
  padding: 14px 16px;
}

.pros-title, .cons-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.pros-title { color: var(--green); }
.cons-title { color: var(--red); }

.pros ul, .cons ul {
  list-style: none;
  margin: 0; padding: 0;
  font-size: 13px;
}

.pros li, .cons li {
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
  color: var(--text);
}

.pros li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-size: 11px; }
.cons li::before { content: '✗'; position: absolute; left: 0; color: var(--red); font-size: 11px; }

/* Navigation soeurs (réutilisable) */
.soeurs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 48px 0 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.soeur-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s;
}

.soeur-card:hover { border-color: var(--accent); color: inherit; }
.soeur-icon { font-size: 20px; flex-shrink: 0; }
.soeur-label { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 1px; display: block; margin-bottom: 3px; }
.soeur-title { font-size: 13px; color: var(--text-bright); font-weight: 500; display: block; }
.soeur-card:hover .soeur-title { color: var(--accent); }

@media (max-width: 640px) {
  .type-pros-cons { grid-template-columns: 1fr; }
  .soeurs { grid-template-columns: 1fr; }
}

/* ============================================
   CODES OBD2
============================================ */
.code-structure {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin: 28px 0;
  text-align: center;
}

.code-example {
  font-family: var(--font-mono);
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--text-bright);
  margin-bottom: 24px;
  display: block;
}

.code-example .c-letter { color: var(--accent); }
.code-example .c-type   { color: var(--blue); }
.code-example .c-sub    { color: var(--green); }
.code-example .c-fault  { color: var(--text-dim); }

.code-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 12px;
  font-family: var(--font-mono);
}

.code-legend-item { display: flex; align-items: center; gap: 6px; }
.code-legend-dot  { width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; }

@media (max-width: 640px) {
  .code-legend { gap: 12px; font-size: 11px; }
}

/* Sidebar headings — sémantique h2/h3 avec apparence h4/h5 */
.sidebar-heading {
  font-family: var(--font-mono);
  font-size: 11px !important;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.sidebar-subheading {
  font-family: var(--font-mono);
  font-size: 11px !important;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* Footer col titles — sémantique p, style visuel h5 */
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: 14px;
}