/* =====================================================================
   CHRONIQUES DU DIMANCHE — feuille de style
   Palette rétro affiche 50-60 : orange, bleu ardoise, crème, brique
   ===================================================================== */

:root {
  --orange: #e2622c;
  --ardoise: #3f5871;
  --creme: #f6efe0;
  --texte: #22303f;
  --brique: #c0442a;
  --creme-fonce: #ece2cd;
  --transition: 240ms ease;
  --max: 900px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background-color: var(--creme);
  /* Grain papier très subtil (SVG inline, aucune dépendance externe) */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  color: var(--texte);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ----------------------------- EN-TÊTE ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--creme) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--ardoise) 18%, transparent);
}

.header-inner {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: block;
  text-decoration: none;
  color: inherit;
}

.brand-title {
  display: block;
  font-family: "Oswald", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  line-height: 1.05;
  font-size: clamp(1.6rem, 6vw, 2.7rem);
  color: var(--ardoise);
}

.brand-sub {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  font-style: italic;
  color: color-mix(in srgb, var(--texte) 70%, var(--creme));
}

/* --------------------- SOMMAIRE + RECHERCHE ------------------------ */
.tools {
  margin: 2.5rem 0 3rem;
  padding: 1.5rem;
  background: var(--creme-fonce);
  border: 1px solid color-mix(in srgb, var(--ardoise) 20%, transparent);
  border-radius: 4px;
}

.search input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--texte);
  background: var(--creme);
  border: 1px solid color-mix(in srgb, var(--ardoise) 35%, transparent);
  border-radius: 3px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--orange) 22%, transparent);
}

.sommaire-titre {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--orange);
  margin: 1.4rem 0 0.5rem;
}

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

.sommaire li + li {
  margin-top: 0.3rem;
}

.sommaire a {
  color: var(--ardoise);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.sommaire a:hover,
.sommaire a:focus-visible {
  color: var(--brique);
  border-bottom-color: var(--brique);
}

.sommaire .num {
  font-family: "Oswald", sans-serif;
  color: var(--orange);
  margin-right: 0.5rem;
}

/* --------------------------- CHRONIQUES ---------------------------- */
.chronique {
  padding-bottom: 3.5rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--orange) 45%, transparent);
}

.chronique:last-child {
  border-bottom: none;
}

.etiquette {
  display: inline-block;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--creme);
  background: var(--orange);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.chronique h2 {
  font-family: "Oswald", Impact, sans-serif;
  font-weight: 500;
  line-height: 1.15;
  font-size: clamp(1.5rem, 4.5vw, 2.15rem);
  color: var(--ardoise);
  margin: 0.8rem 0 1.5rem;
}

/* Galerie de vignettes */
.galerie {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

@media (min-width: 700px) {
  .galerie {
    display: flex;
    flex-wrap: wrap;
  }
  .galerie .vignette {
    flex: 0 0 calc(33.333% - 0.5rem);
  }
}

.vignette {
  display: block;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
  border-radius: 6px;
  overflow: hidden;
  line-height: 0;
  box-shadow: 0 1px 3px color-mix(in srgb, var(--texte) 18%, transparent);
  transition: transform var(--transition), box-shadow var(--transition);
}

.vignette img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.vignette:hover,
.vignette:focus-visible {
  transform: scale(1.03);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--texte) 28%, transparent);
  outline: none;
}

/* Texte de l'article */
.article {
  max-width: 68ch;
}

.article p {
  margin: 0 0 1.15rem;
}

.article h3 {
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-size: 1.15rem;
  color: var(--brique);
  margin: 2rem 0 0.7rem;
}

.article ul {
  margin: 0 0 1.3rem;
  padding-left: 1.1rem;
}

.article li {
  margin-bottom: 0.5rem;
}

.article li::marker {
  color: var(--orange);
}

/* Extrait avec fondu sur la dernière ligne */
.extrait {
  position: relative;
}

.extrait.avec-fondu::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3.2em;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--creme));
}

/* Accordéon : animation douce de hauteur */
.suite {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 300ms ease, opacity 300ms ease;
}

.suite.ouvert {
  opacity: 1;
}

.btn-lire {
  margin-top: 0.5rem;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  color: var(--creme);
  background: var(--ardoise);
  border: none;
  border-radius: 3px;
  padding: 0.6rem 1.15rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-lire:hover,
.btn-lire:focus-visible {
  background: var(--brique);
  outline: none;
}

.aucun-resultat {
  margin: 3rem 0 5rem;
  font-style: italic;
  color: color-mix(in srgb, var(--texte) 65%, var(--creme));
}

/* -------------------------- PIED DE PAGE --------------------------- */
.site-footer {
  margin-top: 2rem;
  padding: 3rem 0;
  background: var(--ardoise);
  color: var(--creme);
  text-align: center;
}

.footer-note {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  margin: 0 0 1.2rem;
}

.btn-linkedin {
  display: inline-block;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--creme);
  background: var(--orange);
  padding: 0.65rem 1.4rem;
  border-radius: 3px;
  transition: background var(--transition);
}

.btn-linkedin:hover,
.btn-linkedin:focus-visible {
  background: var(--brique);
}

.copyright {
  margin: 1.8rem 0 0;
  font-size: 0.85rem;
  opacity: 0.75;
}

/* ---------------------------- LIGHTBOX ----------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, #101821 88%, transparent);
  backdrop-filter: blur(6px);
  padding: 3.5rem 1rem 3.5rem;
}

.lightbox[hidden] {
  display: none;
}

.lb-figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lb-figure img {
  max-width: min(100%, 1200px);
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lb-figure figcaption {
  color: var(--creme);
  font-size: 0.85rem;
  text-align: center;
  max-width: 60ch;
  opacity: 0.85;
}

.lb-btn {
  position: absolute;
  background: color-mix(in srgb, var(--creme) 14%, transparent);
  color: var(--creme);
  border: 1px solid color-mix(in srgb, var(--creme) 30%, transparent);
  border-radius: 999px;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}

.lb-btn:hover,
.lb-btn:focus-visible {
  background: var(--orange);
  outline: none;
}

.lb-close {
  top: 1rem;
  right: 1rem;
}

.lb-prev {
  left: 0.75rem;
}

.lb-next {
  right: 0.75rem;
}

.lb-compteur {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  text-align: center;
  font-family: "Oswald", sans-serif;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--creme);
  opacity: 0.7;
  margin: 0;
}

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