/* ==========================================================================
   DevisRelu (devisrelu.com) — Feuille de style unique
   Mobile-first (base 390px), contraste AA+, lisible en plein soleil
   ========================================================================== */

@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/ibm-plex-sans-latin-700-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/ibm-plex-mono-latin-700-normal.woff2') format('woff2');}

:root {
  --bg-paper: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --ink-navy: #1E293B;
  --ink-dark: #0F172A;
  --ink-muted: #475569;
  --border: #CBD5E1;
  --border-strong: #94A3B8;

  /* Accent ambre/cuivre : texte sombre #0F172A sur #F59E0B/#D97706 (contraste > 5.8:1) */
  --amber: #D97706;
  --amber-bright: #F59E0B;
  --amber-hover: #B45309;
  --amber-soft: #FFFBEB;
  --amber-border: #FCD34D;

  /* Statuts — toujours accompagnés d'un libellé texte */
  --status-red-text: #991B1B;
  --status-red-bg: #FEF2F2;
  --status-red-border: #FCA5A5;

  --status-amber-text: #92400E;
  --status-amber-bg: #FFFBEB;
  --status-amber-border: #FCD34D;

  --status-green-text: #166534;
  --status-green-bg: #F0FDF4;
  --status-green-border: #86EFAC;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 6px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06);
  --max-w: 1040px;
  --max-w-narrow: 720px;
}

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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-navy);
  background-color: var(--bg-paper);
}

/* Accessibilité : lien d'évitement et focus visible */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0.75rem;
  background: var(--ink-dark);
  color: #FFFFFF;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.75rem;
}

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

/* Typographie */
h1, h2, h3, h4 {
  color: var(--ink-dark);
  font-weight: 700;
  line-height: 1.22;
  margin-top: 0;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 1.65rem;
  margin-bottom: 0.65rem;
}

h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

a {
  color: var(--ink-dark);
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}

a:hover {
  color: var(--amber-hover);
}

/* Conteneurs */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
}

/* Bandeau supérieur personnalisé (r/modele.html & exemple-rapport.html) */
.top-notice {
  background-color: var(--ink-dark);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  text-align: center;
}

/* En-tête */
.site-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.header-note {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.site-nav {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--bg-subtle);
  font-size: 0.88rem;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--ink-navy);
  padding: 0.2rem 0;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  color: var(--ink-dark);
}

/* Badges & étiquettes */
.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-dark);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

.badge-amber {
  background-color: var(--amber-soft);
  border-color: var(--amber-border);
  color: var(--status-amber-text);
}

/* Boutons — min 52px de haut, pleine largeur sur mobile */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  width: 100%;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background-color: var(--amber-bright);
  border-color: var(--amber);
  color: var(--ink-dark);
}

.btn-primary:hover {
  background-color: var(--amber);
  color: var(--ink-dark);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--ink-navy);
  color: var(--ink-dark);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  color: var(--ink-dark);
}

/* Hero (compact à 390px pour garder le bouton primaire visible sans défiler) */
.hero {
  padding: 1.25rem 0 2rem;
}

.hero-lead {
  font-size: 1rem;
  color: var(--ink-navy);
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.secondary-link {
  display: inline-block;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.35rem 0;
}

.reassurance-line {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-align: center;
  margin-bottom: 0.5rem;
}

.trades-line {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-dark);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.65rem;
  text-align: center;
  margin-bottom: 1.25rem;
}

/* Visuel Hero : fragment de devis annoté */
.quote-sheet {
  background: var(--bg-card);
  border: 2px solid var(--ink-navy);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.quote-sheet-header {
  background: var(--ink-navy);
  color: #FFFFFF;
  padding: 0.65rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.quote-sheet-header strong {
  font-size: 0.9rem;
}

.quote-sheet-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.9;
}

.quote-sheet-body {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quote-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.65rem;
  background: var(--bg-paper);
}

.quote-item-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 0.3rem;
  display: block;
}

.line-struck {
  display: block;
  background: var(--status-red-bg);
  border-left: 3px solid var(--status-red-text);
  color: var(--status-red-text);
  padding: 0.35rem 0.5rem;
  font-size: 0.88rem;
  text-decoration: line-through;
  margin-bottom: 0.35rem;
}

.line-corrected {
  display: block;
  background: var(--status-green-bg);
  border-left: 3px solid var(--status-green-text);
  color: var(--status-green-text);
  padding: 0.35rem 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
}

/* Grilles de cartes empilées sur mobile */
.card-stack,
.card-grid-3,
.card-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow-card);
}

.card-highlight {
  border: 2px solid var(--ink-navy);
}

.card-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.25rem;
}

/* Cartes de relevé (rapport) */
.report-header-card {
  background: var(--bg-card);
  border: 2px solid var(--ink-navy);
  border-radius: var(--radius);
  padding: 1.15rem;
  margin-bottom: 1.25rem;
}

.report-meta-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.report-meta-list li {
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--bg-subtle);
}

.summary-counters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.9rem;
}

.relev-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-card);
}

.relev-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.relev-title-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.relev-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-muted);
}

.relev-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

/* Pastilles de statut */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-corriger {
  color: var(--status-red-text);
  background-color: var(--status-red-bg);
  border-color: var(--status-red-border);
}

.status-verifier {
  color: var(--status-amber-text);
  background-color: var(--status-amber-bg);
  border-color: var(--status-amber-border);
}

.status-present {
  color: var(--status-green-text);
  background-color: var(--status-green-bg);
  border-color: var(--status-green-border);
}

.relev-meta {
  font-size: 0.84rem;
  color: var(--ink-muted);
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--bg-subtle);
}

/* Espace réservé neutre pour bandeau France Rénov' */
.kit-placeholder {
  background: var(--bg-subtle);
  border: 2px dashed var(--border-strong);
  border-radius: 4px;
  padding: 0.9rem;
  margin: 0.75rem 0;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-navy);
}

/* Étapes numérotées */
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  background: var(--ink-navy);
  color: #FFFFFF;
  width: 34px;
  height: 34px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Tarifs */
.price-tag {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink-dark);
  margin: 0.35rem 0 0.75rem;
}

.price-tag span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-muted);
}

/* Formulaires & puces métiers cliquables */
.form-card {
  background: var(--bg-card);
  border: 2px solid var(--ink-navy);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--ink-dark);
}

.form-hint {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  min-height: 52px;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink-dark);
  background: #FFFFFF;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
}

.form-input:focus {
  border-color: var(--ink-dark);
}

.trade-chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  border: 0;
  padding: 0;
  margin: 0;
}

.trade-chip {
  position: relative;
}

.trade-chip input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.trade-chip label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.5rem;
  background: var(--bg-paper);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.92rem;
  text-align: center;
  cursor: pointer;
  color: var(--ink-dark);
}

.trade-chip input[type="radio"]:checked + label {
  background: var(--ink-dark);
  border-color: var(--ink-dark);
  color: #FFFFFF;
}

.trade-chip input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

/* Encadré de conversion */
.conversion-box {
  background: var(--bg-card);
  border: 2px solid var(--ink-dark);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.conversion-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

/* Encadré d'indépendance */
.independence-box {
  background: var(--bg-subtle);
  border-left: 4px solid var(--ink-navy);
  padding: 1rem 1.1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  color: var(--ink-navy);
}

/* Accordéon FAQ */
.faq-list {
  display: grid;
  gap: 0.65rem;
}

details.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

details.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-muted);
}

details.faq-item[open] summary::after {
  content: "−";
}

details.faq-item .faq-answer {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--bg-subtle);
  font-size: 0.95rem;
}

/* Pied de page */
.site-footer {
  background: var(--bg-card);
  border-top: 2px solid var(--border);
  padding: 2rem 0 2.5rem;
  font-size: 0.88rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
}

.footer-links a {
  font-weight: 600;
}

/* Adaptation tablette et bureau (>= 768px) */
@media (min-width: 768px) {
  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.55rem;
  }

  .site-nav {
    width: auto;
    border-top: 0;
    padding-top: 0;
    gap: 1.25rem;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: center;
  }

  .btn-inline {
    width: auto;
  }

  .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .trade-chips {
    grid-template-columns: repeat(5, 1fr);
  }

  .conversion-actions {
    flex-direction: row;
    align-items: center;
  }
}