/* =========================================================
   CARTESGO — Design system
   Palette : papier froid + vert "carte verte" + rouge français
   Signature : cartes façon plaque d'immatriculation EU
   ========================================================= */

:root {
  /* Couleurs — identité de marque Cartesgo */
  --bg: #F2F4F7;
  --bg-alt: #E7EAEE;
  --paper: #FFFFFF;
  --ink: #0B1320;
  --ink-soft: #5A646E;
  --ink-faint: #9CA3AD;
  --accent: #28C76F;
  --accent-dark: #1B9E58;
  --accent-tint: #E3F9EC;
  --red: #C8102E;
  --red-tint: #FBE6E9;
  --plate-blue: #1B3E8B;
  --plate-yellow: #FFD100;
  --line: #D7DBE0;
  --line-soft: #E7EAEE;

  /* Typo — identité de marque Cartesgo */
  --f-display: "Poppins", "Arial", sans-serif;
  --f-body: "Poppins", "Segoe UI", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Rayons / ombres */
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 1px 2px rgba(16,32,58,.04), 0 8px 24px rgba(16,32,58,.06);
  --shadow-lift: 0 4px 10px rgba(16,32,58,.08), 0 16px 40px rgba(16,32,58,.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.1;
  margin: 0 0 .4em;
  color: var(--ink);
}
h1 { font-size: clamp(2.2rem, 4.2vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.eyebrow {
  font-family: var(--f-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  color: var(--accent-dark);
  font-weight: 600;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 88px 0; }
@media (max-width: 760px) { section { padding: 56px 0; } }

:focus-visible {
  outline: 3px solid var(--plate-blue);
  outline-offset: 2px;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: var(--shadow-lift); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--ink); box-shadow: var(--shadow-soft); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,246,242,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-display); font-weight: 800; font-size: 1.45rem;
  text-decoration: none; letter-spacing: -.01em; line-height: 1;
}
.logo-lines { display: flex; flex-direction: column; gap: 3px; flex: none; }
.logo-lines span { display: block; height: 4px; border-radius: 2px; background: var(--accent); }
.logo-lines span:nth-child(1) { width: 22px; }
.logo-lines span:nth-child(2) { width: 16px; }
.logo-lines span:nth-child(3) { width: 10px; }
.logo .word-dark { color: var(--ink); }
.logo .word-accent { color: var(--accent); }
.logo-footer .word-dark { color: #fff; }
.logo-lockup { display: flex; flex-direction: column; gap: 4px; text-decoration: none; }
.logo-tagline { font-family: var(--f-body); font-weight: 500; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); }
.logo-tagline .word-accent { color: var(--accent); font-weight: 600; }
.logo-footer .logo-tagline { color: #A9B3C0; }
.logo-footer .logo-tagline .word-accent { color: var(--accent); }
nav.main-nav { display: flex; align-items: center; gap: 30px; }
nav.main-nav a {
  text-decoration: none; font-weight: 600; font-size: .92rem;
  color: var(--ink-soft);
}
nav.main-nav a:hover { color: var(--accent-dark); }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  nav.main-nav { position: fixed; inset: 76px 0 0 0; background: var(--bg);
    flex-direction: column; padding: 30px 28px; gap: 22px; transform: translateY(-8px);
    opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
  nav.main-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-toggle {
    display: inline-flex; width: 40px; height: 40px; border-radius: 8px;
    border: 2px solid var(--ink); background: none; align-items: center; justify-content: center;
  }
}

/* ---------- Hero ---------- */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

.hero-trust { display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap; }
.hero-trust div { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: var(--ink-soft); font-weight: 600; }
.hero-trust svg { width: 18px; height: 18px; color: var(--accent); flex: none; }

.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

/* Stack de plaques visuelles dans le hero */
.plate-stack { position: relative; height: 380px; }
.plate-stack .plate-card { position: absolute; width: 320px; }
.plate-stack .plate-card:nth-child(1) { top: 10px; left: 30px; transform: rotate(-6deg); z-index: 1; }
.plate-stack .plate-card:nth-child(2) { top: 90px; left: 90px; transform: rotate(4deg); z-index: 2; }
.plate-stack .plate-card:nth-child(3) { top: 175px; left: 10px; transform: rotate(-2deg); z-index: 3; }
@media (max-width: 900px) { .plate-stack { height: 300px; } .plate-stack .plate-card { width: 260px; } }
@media (max-width: 460px) { .plate-stack { display: none; } }

/* ---------- Composant signature : carte "plaque" ---------- */
.plate-card {
  display: flex; align-items: stretch;
  background: #fff; border: 3px solid var(--ink); border-radius: 10px;
  overflow: hidden; box-shadow: var(--shadow-soft);
  font-family: var(--f-display);
}
.plate-band {
  width: 34px; flex: none; background: var(--plate-blue); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: .62rem; letter-spacing: .04em; text-align: center; padding: 6px 2px; gap: 4px;
}
.plate-band .code { font-weight: 800; font-size: .95rem; font-family: var(--f-mono); }
.plate-body { padding: 14px 16px; flex: 1; }
.plate-body .num { font-size: 1.5rem; font-weight: 800; letter-spacing: .03em; color: var(--ink); }
.plate-body .lbl { font-family: var(--f-body); font-weight: 600; font-size: .84rem; color: var(--ink-soft); text-transform: none; letter-spacing: 0; margin-top: 2px; }

/* ---------- Grille de services (plaques cliquables) ---------- */
.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 900px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .service-grid { grid-template-columns: 1fr; } }

a.service-card {
  text-decoration: none; display: flex; flex-direction: column; gap: 10px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
a.service-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: var(--accent); }
.service-card .mini-plate { display: flex; align-items: center; gap: 10px; }
.service-card .mini-plate .code {
  font-family: var(--f-mono); font-weight: 700; font-size: .72rem; color: #fff;
  background: var(--plate-blue); border-radius: 4px; padding: 4px 7px;
}
.service-card h3 { margin: 0; font-size: 1.08rem; text-transform: none; letter-spacing: 0; font-family: var(--f-body); font-weight: 700; }
.service-card p { font-size: .88rem; margin: 0; }
.service-card .meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line); font-size: .78rem; color: var(--ink-faint); font-family: var(--f-mono); }
.service-card .tag { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-dark); background: var(--accent-tint); padding: 3px 9px; border-radius: 999px; width: fit-content; }

/* ---------- Filtre catégories ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-chip {
  border: 1.5px solid var(--line); background: var(--paper); border-radius: 999px;
  padding: 9px 18px; font-weight: 600; font-size: .85rem; cursor: pointer; color: var(--ink-soft);
  transition: all .15s ease;
}
.filter-chip.active, .filter-chip:hover { border-color: var(--accent); color: var(--accent-dark); background: var(--accent-tint); }

.search-input {
  width: 100%; padding: 15px 18px; border-radius: var(--radius-sm); border: 1.5px solid var(--line);
  font-size: 1rem; font-family: var(--f-body); margin-bottom: 26px; background: var(--paper);
}
.search-input:focus { border-color: var(--accent); }

/* ---------- Étapes (process réel = numérotation légitime) ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 6px; }
.step .step-num {
  font-family: var(--f-mono); font-weight: 800; font-size: .85rem; color: var(--accent);
  border: 1.5px solid var(--accent); border-radius: 999px; width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.step h3 { text-transform: none; letter-spacing: 0; }

/* ---------- Bandeau confiance ---------- */
.trust-strip { background: var(--ink); color: #fff; padding: 34px 0; }
.trust-strip .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 22px; }
.trust-strip .item { display: flex; flex-direction: column; }
.trust-strip .item .n { font-family: var(--f-display); font-size: 2.1rem; font-weight: 700; color: var(--plate-yellow); }
.trust-strip .item .l { font-size: .8rem; color: #C6CAD3; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; padding: 20px 0; font-weight: 700; font-size: 1.02rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--accent); flex: none; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 20px; margin: 0; }

/* ---------- Cards / panneaux ---------- */
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.panel-alt { background: var(--accent-tint); border-radius: var(--radius); padding: 28px; }

/* ---------- Détail démarche ---------- */
.demarche-hero { padding: 48px 0 20px; }
.breadcrumb { font-size: .82rem; color: var(--ink-faint); margin-bottom: 18px; }
.breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-dark); }
.demarche-top { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
@media (max-width: 900px) { .demarche-top { grid-template-columns: 1fr; } }

.doc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.doc-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; color: var(--ink-soft); }
.doc-list li svg { flex: none; width: 18px; height: 18px; margin-top: 2px; color: var(--accent); }

.price-box { position: sticky; top: 96px; }
.price-box .amount { font-family: var(--f-display); font-size: 2.6rem; font-weight: 700; color: var(--ink); }
.price-box .amount span { font-size: 1.1rem; color: var(--ink-faint); font-family: var(--f-body); }
.price-box .delai { display: flex; align-items: center; gap: 8px; font-size: .86rem; color: var(--accent-dark); font-weight: 600; margin: 10px 0 20px; }

/* ---------- Formulaire dossier ---------- */
.dossier-form { display: flex; flex-direction: column; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 6px; color: var(--ink); }
input[type="text"], input[type="email"], input[type="tel"], select {
  width: 100%; padding: 13px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--line);
  font-size: .95rem; font-family: var(--f-body); background: #fff;
}
input:focus, select:focus { border-color: var(--accent); }

.upload-list { display: flex; flex-direction: column; gap: 12px; }
.upload-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  border: 1.5px dashed var(--line); border-radius: var(--radius-sm); padding: 14px 16px;
  background: #fff; transition: border-color .15s ease, background .15s ease;
}
.upload-row.has-file { border-style: solid; border-color: var(--accent); background: var(--accent-tint); }
.upload-row .doc-name { font-weight: 600; font-size: .92rem; }
.upload-row .doc-status { font-size: .78rem; color: var(--ink-faint); font-family: var(--f-mono); }
.upload-row.has-file .doc-status { color: var(--accent-dark); }
.upload-row .file-btn {
  border: 1.5px solid var(--ink); background: #fff; border-radius: 999px;
  padding: 8px 16px; font-size: .82rem; font-weight: 700; cursor: pointer; flex: none;
}
.upload-row .file-btn:hover { background: var(--ink); color: #fff; }
.upload-row input[type="file"] { display: none; }

.progress-track { height: 6px; border-radius: 4px; background: var(--line-soft); overflow: hidden; margin-top: 22px; }
.progress-fill { height: 100%; background: var(--accent); width: 0%; transition: width .3s ease; }

.form-note { font-size: .8rem; color: var(--ink-faint); }
.form-success { display: none; text-align: center; padding: 30px 10px; }
.form-success.show { display: block; }
.form-success svg { width: 52px; height: 52px; color: var(--accent); margin: 0 auto 14px; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--ink); color: #C6CAD3; padding: 60px 0 30px; margin-top: 60px; }
footer .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 34px; }
@media (max-width: 760px) { footer .foot-grid { grid-template-columns: 1fr 1fr; } }
footer h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; font-family: var(--f-body); }
footer a { color: #C6CAD3; text-decoration: none; font-size: .88rem; display: block; margin-bottom: 9px; }
footer a:hover { color: #fff; }
footer .foot-bottom { border-top: 1px solid #2A3A55; margin-top: 40px; padding-top: 22px; font-size: .78rem; color: #8892A3; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Bandeau CTA ---------- */
.cta-band { background: var(--accent); color: #fff; border-radius: 20px; padding: 52px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #DFF0E7; max-width: 540px; margin-left: auto; margin-right: auto; }

/* Utilitaires */
.center { text-align: center; }
.max-w { max-width: 640px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }
.badge-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 8px; }