/* ==========================================================================
   France FIRE — feuille de style unique, écrite main.
   Direction : revue financière. Papier chaud, encre, filets. Pas de cards,
   pas d'ombres, pas de gradients.
   ========================================================================== */

/* --- Fontes (self-hosted, OFL) ------------------------------------------- */

@font-face {
  font-family: "Spectral";
  src: url("../fonts/spectral/spectral-latin-400-normal.6ec1900716de.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Spectral";
  src: url("../fonts/spectral/spectral-latin-400-italic.ae983716cc52.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Spectral";
  src: url("../fonts/spectral/spectral-latin-500-normal.d4f6bee97c64.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Spectral";
  src: url("../fonts/spectral/spectral-latin-700-normal.456f29ac2c8a.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plex-sans/ibm-plex-sans-latin-400-normal.77bc02670657.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plex-sans/ibm-plex-sans-latin-600-normal.196e3cbc5fee.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* --- Variables ------------------------------------------------------------ */

:root {
  --paper: #faf7f2;
  --ink: #1c1b1a;
  --ink-2: #6b6560;
  --rule: #e4ded4;
  --rule-strong: #b3a99b;
  --inset: #f2ede4;
  --brick: #c2452d;
  --green: #2f5d50;
  --phase-accumulation: #fbf6e7;
  --phase-fire: #eef3ef;
  --phase-pension: #e7efea;

  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;

  --prose-width: 44rem;   /* ~68ch en Spectral */
  --wide-width: 60rem;
}

/* --- Base ------------------------------------------------------------------ */

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  padding: 0 1.25rem;
}

a { color: var(--ink); text-decoration-color: var(--brick); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brick); }
:focus-visible { outline: 2px solid var(--brick); outline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.25; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem auto; max-width: var(--prose-width); }

::selection { background: var(--brick); color: var(--paper); }

/* Filet « Scotch rule » : trait épais + trait fin, la signature revue. */
.scotch-rule { border-top: 3px solid var(--ink); border-bottom: 1px solid var(--ink); height: 4px; }
.scotch-rule--flip { border-top-width: 1px; border-bottom-width: 3px; }

/* --- Masthead ---------------------------------------------------------------- */

.masthead {
  max-width: var(--wide-width);
  margin: 2.5rem auto 0;
  text-align: center;
}
.masthead-title {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.masthead-title a { text-decoration: none; color: var(--ink); }
.masthead-title a:hover { color: var(--ink); }
.masthead-subtitle {
  margin: 0.4rem 0 1.1rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.22em;
  color: var(--ink-2);
}
.masthead-byline {
  margin: -0.5rem 0 1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-2);
}
.masthead-nav {
  margin-bottom: 0.9rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.masthead-nav a { text-decoration: none; padding: 0 0.45rem; }
.masthead-nav a:hover { color: var(--brick); }
.masthead-nav span { color: var(--rule); }

/* --- Fil d'Ariane ---------------------------------------------------------------- */

.breadcrumb {
  max-width: var(--wide-width);
  margin: 1rem auto 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-2);
}
.breadcrumb a { text-decoration: none; color: var(--ink-2); }
.breadcrumb a:hover { color: var(--brick); }
.breadcrumb span { padding: 0 0.4rem; color: var(--rule); }

/* --- Listes home / à la une ---------------------------------------------------- */

.list-heading {
  font-size: 0.85rem;
  font-family: var(--sans);
  font-weight: 600;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.2em;
  border-top: 1px solid var(--ink);
  padding-top: 0.6rem;
  margin: 3rem 0 0.5rem;
}
.featured { max-width: var(--prose-width); margin: 0 auto; }
.featured-list { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.featured-list li { padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.featured-list time {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  display: block;
}
.featured-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  display: inline-block;
  margin-top: 0.15rem;
}
.featured-title:hover { color: var(--brick); }
.featured-summary { margin: 0.4rem 0 0; color: var(--ink-2); }

.more-link { font-family: var(--sans); font-size: 0.9rem; margin: 1.2rem 0 2rem; }
.article-cat { font-family: var(--sans); font-size: 0.75rem; margin-left: 0.6rem; }
.article-cat a { color: var(--green); text-decoration: none; font-variant-caps: all-small-caps; letter-spacing: 0.08em; }
.article-empty { color: var(--ink-2); padding: 1rem 0; }

/* --- Teaser calculateur ---------------------------------------------------------- */

.calc-teaser { max-width: var(--prose-width); margin: 0 auto 2rem; }
.calc-teaser p { max-width: 38rem; }

/* --- Recherche, filtres, pagination ---------------------------------------------- */

.search-bar { display: flex; gap: 0.6rem; margin: 1.4rem 0 1rem; max-width: 28rem; }
.search-bar input {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.95rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  padding: 0.45rem 0.6rem;
}
.search-bar input:focus-visible { outline: 2px solid var(--brick); outline-offset: 1px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.cat-filters { margin: 0.6rem 0 1rem; font-family: var(--sans); font-size: 0.82rem; }
.cat-filters a {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.15rem 0.65rem;
  margin: 0 0.3rem 0.4rem 0;
  color: var(--ink-2);
}
.cat-filters a:hover { border-color: var(--brick); color: var(--brick); }
.cat-filters a.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.pagination {
  display: flex;
  gap: 1.2rem;
  align-items: baseline;
  font-family: var(--sans);
  font-size: 0.88rem;
  margin: 1.5rem 0;
}
.pagination span { color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* --- Séries ------------------------------------------------------------------------ */

.series-list, .series-steps { margin: 1.4rem 0; padding: 0; }
.series-list { list-style: none; }
.series-list li, .series-steps li { padding: 0.8rem 0; border-bottom: 1px solid var(--rule); }
.series-steps { list-style: decimal inside; font-family: var(--sans); }
.series-steps .article-title { font-family: var(--serif); }

.series-box {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--green);
  background: var(--phase-fire);
  font-family: var(--sans);
  font-size: 0.88rem;
  padding: 0.7rem 1rem;
  margin: 0 0 1.8rem;
}
.series-box p { margin: 0.15rem 0; }
.series-box-title { font-variant-caps: all-small-caps; letter-spacing: 0.1em; color: var(--green); }

.related { margin-top: 3rem; }

.methode { margin-top: 1.5rem; }

/* --- Sections ---------------------------------------------------------------- */

main { display: block; }

.wide { max-width: var(--wide-width); margin-left: auto; margin-right: auto; }
.prose, .articles { max-width: var(--prose-width); margin-left: auto; margin-right: auto; }

.section-head h2, .articles h2 {
  font-size: 0.85rem;
  font-family: var(--sans);
  font-weight: 600;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.2em;
  color: var(--ink);
  border-top: 1px solid var(--ink);
  padding-top: 0.6rem;
  margin: 3rem 0 0.5rem;
}
.section-note {
  color: var(--ink-2);
  font-size: 0.95rem;
  margin: 0.25rem 0 1.5rem;
  max-width: 38rem;
}

/* --- Liste d'articles ----------------------------------------------------------- */

.article-list { list-style: none; margin: 1.5rem 0 3rem; padding: 0; }
.article-list li {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
}
.article-list time {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  padding-top: 0.25rem;
}
.article-title {
  font-size: 1.2rem;
  font-weight: 500;
  text-decoration: none;
}
.article-title:hover { color: var(--brick); }
.article-summary { margin: 0.3rem 0 0; color: var(--ink-2); font-size: 0.95rem; }

/* --- Prose (articles) ------------------------------------------------------------ */

.article-head { margin: 3rem 0 2rem; }
.article-head h1 { font-size: 2.1rem; font-weight: 700; margin: 0 0 0.4rem; }
.article-meta {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  margin: 0;
}

.prose p { margin: 0 0 1.2rem; }
.prose h2 { font-size: 1.45rem; margin: 2.2rem 0 0.8rem; }
.prose h3 { font-size: 1.2rem; margin: 1.8rem 0 0.6rem; }
.prose ul, .prose ol { margin: 0 0 1.2rem; padding-left: 1.4rem; }
.prose li { margin-bottom: 0.35rem; }
.prose img { max-width: 100%; height: auto; display: block; margin: 1.8rem auto; }
.prose figure { margin: 1.8rem 0; }
.prose figcaption { font-style: italic; font-size: 0.9rem; color: var(--ink-2); text-align: center; margin-top: 0.5rem; }
.prose blockquote {
  margin: 1.6rem 0;
  padding: 0.2rem 0 0.2rem 1.2rem;
  border-left: 2px solid var(--brick);
  color: var(--ink-2);
  font-style: italic;
}
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  background: var(--inset);
  padding: 0.1em 0.35em;
}
.prose pre { background: var(--inset); padding: 1rem 1.2rem; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.6rem 0;
  font-family: var(--sans);
  font-size: 0.9rem;
  /* Un tableau Markdown large défile dans son bloc au lieu de casser la page. */
  display: block;
  overflow-x: auto;
}
.prose th, .prose td { border-bottom: 1px solid var(--rule); padding: 0.5rem 0.7rem; text-align: left; }
.prose th { font-variant-caps: all-small-caps; letter-spacing: 0.06em; border-bottom-color: var(--ink); }

.draft-notice {
  font-family: var(--sans);
  font-size: 0.85rem;
  background: var(--phase-accumulation);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--brick);
  padding: 0.6rem 0.9rem;
  margin-top: 2rem;
}

/* --- Calculateur ---------------------------------------------------------------- */

.calculator { border-bottom: 1px solid var(--rule); padding-bottom: 2.5rem; }

.calc-form {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 0 0 1.8rem;
}
.calc-form fieldset { border: 0; border-top: 1px solid var(--rule); margin: 0; padding: 0.8rem 0 0; min-width: 0; }
.calc-form legend {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.18em;
  color: var(--green);
  padding: 0 0.6rem 0 0;
}

.field { margin-bottom: 0.85rem; }
.field label {
  display: block;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--ink-2);
  margin-bottom: 0.25rem;
}
.field input, .field textarea, .field select {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 0.45rem 0.6rem;
}
.field input:focus, .field textarea:focus {
  border-color: var(--brick);
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--brick);
  outline-offset: 1px;
}

/* Panneaux avancés du calculateur */
.adv-panel {
  grid-column: 1 / -1;
  border-top: 1px solid var(--rule);
  padding-top: 0.6rem;
}
.adv-panel summary {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  color: var(--green);
  cursor: pointer;
}
.adv-panel summary:hover { color: var(--brick); }
.adv-note { font-family: var(--sans); font-size: 0.82rem; color: var(--ink-2); max-width: 44rem; }
.adv-count { color: var(--ink-2); letter-spacing: 0; }
.adv-grid { display: flex; gap: 1.5rem; align-items: flex-end; flex-wrap: wrap; }
.adv-grid .field { min-width: 11rem; margin-bottom: 0.4rem; }

.dyn-row {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--rule);
}
.dyn-row .field { margin-bottom: 0; min-width: 9rem; flex: 0 1 auto; }
.dyn-row .check { margin-bottom: 0.5rem; }
.dyn-remove { margin-bottom: 0.6rem; }
.check {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.calc-toolbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--sans);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.7rem 0;
  margin: 1.2rem 0;
}
.calc-toolbar input[type="text"], .calc-toolbar select {
  font-family: var(--sans);
  font-size: 0.85rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  padding: 0.3rem 0.5rem;
  max-width: 11rem;
}
.toolbar-sep { width: 1px; height: 1.4rem; background: var(--rule); margin: 0 0.4rem; }

.solver-result {
  font-family: var(--sans);
  font-size: 0.92rem;
  border-left: 3px solid var(--green);
  background: var(--phase-fire);
  padding: 0.6rem 0.9rem;
}

.calc-errors {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--brick);
  border-left: 3px solid var(--brick);
  padding-left: 0.8rem;
}

.calc-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 1.5rem 0;
}
.calc-summary .stat { background: var(--paper); padding: 0.9rem 1rem; }
.calc-summary .stat--wide { grid-column: 1 / -1; }
.calc-summary .stat-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  display: block;
}
.calc-summary .stat-value {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  display: block;
  margin-top: 0.15rem;
}
.calc-summary .stat-value.ok { color: var(--green); }
.calc-summary .stat-value.ko { color: var(--brick); }

.calc-chart { margin: 1.5rem 0; min-height: 320px; }

.calc-detail summary {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
  cursor: pointer;
  color: var(--ink-2);
  padding: 0.5rem 0;
}
.calc-detail summary:hover { color: var(--brick); }

/* --- Tableaux de données ----------------------------------------------------------- */

.table-scroll { overflow-x: auto; }
.data-table {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--sans);
  font-size: 0.85rem;
}
.data-table th, .data-table td {
  padding: 0.4rem 0.7rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  white-space: nowrap;
}
.data-table th {
  font-variant-caps: all-small-caps;
  letter-spacing: 0.08em;
  font-weight: 600;
  border-bottom: 1px solid var(--ink);
}
.data-table .num, .data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tr.phase-accumulation { background: var(--phase-accumulation); box-shadow: inset 3px 0 0 var(--green); }
.data-table tr.phase-fire { background: var(--phase-fire); box-shadow: inset 3px 0 0 var(--brick); }
.data-table tr.phase-pension { background: var(--phase-pension); box-shadow: inset 3px 0 0 var(--ink-2); }

/* --- Formulaires (contact) ----------------------------------------------------------- */

.contact-form { max-width: 34rem; margin-bottom: 3rem; }
.contact-form .field textarea { font-family: var(--serif); font-size: 1rem; }
.field--captcha { max-width: 16rem; }
.field-error, .form-error {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--brick);
  margin: 0.3rem 0 0;
}
.form-error { border-left: 3px solid var(--brick); padding-left: 0.8rem; margin: 1rem 0; }
.form-success {
  font-family: var(--sans);
  background: var(--phase-fire);
  border-left: 3px solid var(--green);
  padding: 0.8rem 1rem;
  margin: 1.5rem 0 3rem;
}

/* Honeypot : hors écran, jamais display:none (certains bots le détectent). */
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 1px; overflow: hidden; }

/* --- Boutons ---------------------------------------------------------------------- */

.btn {
  font-family: var(--sans);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 0.55rem 1.6rem;
  cursor: pointer;
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn--danger:hover { color: var(--brick); border-color: var(--brick); }

/* --- Colophon ---------------------------------------------------------------------- */

.colophon {
  max-width: var(--wide-width);
  margin: 4rem auto 2.5rem;
  text-align: center;
}
.colophon .scotch-rule { margin-bottom: 1.2rem; }
.colophon p {
  margin: 0.2rem 0;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  color: var(--ink-2);
}
.colophon a { text-decoration: none; color: var(--ink-2); }
.colophon a:hover { color: var(--brick); }

/* --- Responsive ---------------------------------------------------------------------- */

@media (max-width: 52rem) {
  .calc-form { grid-template-columns: 1fr; gap: 0.5rem; }
  .article-list li { grid-template-columns: 1fr; gap: 0.15rem; }
  .masthead { margin-top: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}