/* =========================================================
   WENOVIA LAB · BLOG CSS
   Tokens et style hérités du site principal pour cohérence
   ========================================================= */

:root {
  --creme: #fefde4;
  --blanc: #ffffff;
  --noir: #050302;
  --jaune: #f3c202;
  --amber: #a88700;
  --graphite: #36342f;
  --ash: #d6d3c3;
  --crimson: #c83838;
  --font: "Poppins", sans-serif;
  --mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  color: var(--noir);
  background:
    linear-gradient(rgba(5, 3, 2, 0.025) 1px, transparent 1px) 0 0 / 100% 32px,
    var(--creme);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: var(--jaune);
  color: var(--noir);
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 2rem;
}

a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--noir);
}

/* ---------- HEADER + TOPBAR (réplique exacte de index.html) ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--creme);
  border-bottom: 1px solid var(--ash);
}
.topbar {
  background: var(--noir);
  color: var(--ash);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.topbar .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.topbar .meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.topbar .live {
  color: var(--jaune);
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}
.topbar .live::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--jaune);
  border-radius: 50%;
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
header.site .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header img {
  height: 90px;
  display: block;
}
nav.site ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}
nav.site a {
  text-decoration: none;
  color: var(--noir);
  font-size: 0.93rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}
nav.site a:not(.cta):hover {
  color: var(--amber);
}
nav.site > ul > li > a[aria-current="page"]:not(.cta) {
  color: var(--amber);
  position: relative;
}
nav.site > ul > li > a[aria-current="page"]:not(.cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--amber);
}
nav.site a.cta {
  background: var(--noir);
  color: var(--creme);
  padding: 0.55rem 1.1rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
nav.site a.cta:hover {
  background: var(--amber);
}

/* Dropdown Expertises */
nav.site .has-dropdown {
  position: relative;
}
nav.site .has-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
nav.site .has-dropdown .chev {
  transition: transform 0.18s ease;
}
nav.site .has-dropdown:hover .chev,
nav.site .has-dropdown:focus-within .chev {
  transform: rotate(180deg);
}
nav.site .dropdown {
  position: absolute;
  top: 100%;
  left: -1rem;
  margin: 0;
  padding: 0.45rem 0;
  min-width: 260px;
  background: var(--blanc);
  border: 1px solid var(--ash);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(5, 3, 2, 0.08);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 50;
}
nav.site .has-dropdown:hover .dropdown,
nav.site .has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
nav.site .dropdown li {
  display: block;
  width: 100%;
}
nav.site .dropdown a {
  display: block;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  color: var(--noir);
  text-decoration: none;
  transition: background 0.12s ease, color 0.12s ease;
}
nav.site .dropdown a:hover {
  background: var(--creme);
  color: var(--amber);
}

.btn i {
  width: 16px;
  height: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid var(--noir);
  background: var(--noir);
  color: var(--creme);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  cursor: pointer;
}
.btn:hover {
  background: var(--jaune);
  color: var(--noir);
}
.btn-secondary {
  background: transparent;
  color: var(--noir);
}
.btn-secondary:hover {
  background: var(--noir);
  color: var(--creme);
}

/* ---------- LISTE D'ARTICLES (blog index) ---------- */
.blog-hero {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--ash);
}
.blog-hero .ref-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-transform: uppercase;
}
.blog-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 1.2rem 0 1rem;
}
.blog-hero h1 strong {
  font-weight: 500;
  background: linear-gradient(
    180deg,
    transparent 78%,
    var(--jaune) 78%,
    var(--jaune) 94%,
    transparent 94%
  );
  padding: 0 0.15em;
}
.blog-hero p.tagline {
  font-size: 1.05rem;
  color: var(--graphite);
  max-width: 60ch;
}

.post-list {
  padding: 3rem 0 5rem;
  list-style: none;
}
.post-list li {
  padding: 2rem 0;
  border-bottom: 1px solid var(--ash);
}
.post-list li:last-child {
  border-bottom: none;
}
.post-list .meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.post-list h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 0.6rem;
}
.post-list h2 a {
  color: var(--noir);
  text-decoration: none;
}
.post-list h2 a:hover {
  color: var(--amber);
}
.post-list .excerpt {
  color: var(--graphite);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 0.6rem;
}
.post-list .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
  padding: 0.55rem 1.1rem;
  background: var(--noir);
  color: var(--creme);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.15s ease;
}
.post-list .read-more:hover {
  background: var(--amber);
  color: var(--creme);
}
.post-list .read-more svg {
  width: 16px;
  height: 16px;
}
.post-list .tags {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--graphite);
  letter-spacing: 0.04em;
}
.post-list .tag {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border: 1px solid var(--ash);
  border-radius: 999px;
  margin-right: 0.3rem;
  background: var(--blanc);
}

/* ---------- ARTICLE ---------- */
.article-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--ash);
}
.article-hero .breadcrumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.article-hero .breadcrumb a {
  color: var(--amber);
  text-decoration: none;
}
.article-hero .breadcrumb a:hover {
  color: var(--noir);
}
.article-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 1.2rem;
  overflow-wrap: break-word;
}
.article-hero .meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--graphite);
  letter-spacing: 0.06em;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
}
.article-hero .meta .dot {
  width: 4px;
  height: 4px;
  background: var(--jaune);
  border-radius: 50%;
  display: inline-block;
}

.article-body {
  padding: 3rem 0 4rem;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--graphite);
}
.article-body > * {
  margin-bottom: 1.4rem;
}
.article-body h2 {
  font-family: var(--font);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--noir);
  letter-spacing: -0.015em;
  margin: 2.8rem 0 1rem;
  line-height: 1.25;
}
.article-body h3 {
  font-family: var(--font);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--noir);
  letter-spacing: -0.01em;
  margin: 2.2rem 0 0.8rem;
  line-height: 1.3;
}
.article-body h4 {
  font-family: var(--mono);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
  margin: 1.8rem 0 0.6rem;
}
.article-body p {
  color: var(--graphite);
}
.article-body strong {
  color: var(--noir);
  font-weight: 600;
}
.article-body em {
  font-style: italic;
}
.article-body a {
  color: var(--amber);
}
.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
}
.article-body ul li,
.article-body ol li {
  margin-bottom: 0.5rem;
}
.article-body blockquote {
  border-left: 3px solid var(--jaune);
  padding: 0.4rem 0 0.4rem 1.4rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--noir);
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--blanc);
  border: 1px solid var(--ash);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}
.article-body pre {
  background: var(--noir);
  color: var(--creme);
  padding: 1.2rem;
  overflow-x: auto;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.55;
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}
.article-body img,
.article-body picture {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem auto;
  border: 1px solid var(--ash);
}
.article-body hr {
  border: none;
  border-top: 1px dashed var(--ash);
  margin: 2.5rem 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.8rem 0;
}
.article-body th,
.article-body td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--ash);
}
.article-body th {
  background: var(--blanc);
  font-weight: 500;
  color: var(--noir);
}

/* ---------- CTA EN FIN D'ARTICLE ---------- */
.article-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--noir);
  color: var(--creme);
  border: 1px solid var(--noir);
}
.article-cta h3 {
  color: var(--creme);
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.article-cta p {
  color: var(--ash);
  margin-bottom: 1.2rem;
}
.article-cta .btn {
  background: var(--jaune);
  color: var(--noir);
  border-color: var(--jaune);
}
.article-cta .btn:hover {
  background: var(--creme);
  border-color: var(--creme);
}

/* ---------- NAVIGATION ENTRE ARTICLES ---------- */
.post-nav {
  padding: 2.5rem 0;
  border-top: 1px solid var(--ash);
}
.post-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}
.post-nav-cell {
  display: flex;
}
.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--ash);
  background: var(--blanc);
  text-decoration: none;
  color: var(--noir);
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.post-nav-link:hover {
  border-color: var(--noir);
  color: var(--noir);
}
.post-nav-cell.prev .post-nav-link { align-items: flex-start; text-align: left; }
.post-nav-cell.index .post-nav-link { align-items: center; text-align: center; }
.post-nav-cell.next .post-nav-link { align-items: flex-end; text-align: right; }

.post-nav-link .label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.post-nav-link .label i {
  width: 14px;
  height: 14px;
}
.post-nav-link .title {
  font-weight: 500;
  line-height: 1.35;
  color: var(--noir);
}
.post-nav-link:hover .title {
  color: var(--amber);
}

@media (max-width: 720px) {
  .post-nav-grid {
    grid-template-columns: 1fr;
  }
  .post-nav-cell.prev .post-nav-link,
  .post-nav-cell.next .post-nav-link {
    align-items: center;
    text-align: center;
  }
}

/* ---------- ARTICLES RELATIFS ---------- */
.related {
  padding: 2.5rem 0 4rem;
  border-top: 1px solid var(--ash);
}
.related h3 {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 1.5rem;
}
.related ul {
  list-style: none;
  display: grid;
  gap: 1.2rem;
}
.related li a {
  color: var(--noir);
  text-decoration: none;
  font-weight: 500;
}
.related li a:hover {
  color: var(--amber);
}
.related .meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--graphite);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}

/* ---------- FOOTER (réplique exacte de index.html) ---------- */
footer.site {
  background: var(--noir);
  color: var(--ash);
  padding: 4rem 0 2rem;
  margin-top: 3rem;
}
footer .grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(254, 253, 228, 0.1);
}
footer .brand img {
  height: 90px;
  filter: brightness(0) invert(1);
}
footer .brand .tagline {
  font-size: 0.95rem;
  color: var(--ash);
  margin-top: 1.2rem;
  max-width: 28ch;
  font-style: italic;
}
footer h4 {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--jaune);
  margin-bottom: 1.2rem;
  font-weight: 500;
}
footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
footer a {
  color: var(--ash);
  text-decoration: none;
  font-size: 0.95rem;
}
footer a:hover {
  color: var(--creme);
}
footer .legal {
  padding-top: 2rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: rgba(254, 253, 228, 0.4);
  letter-spacing: 0.04em;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
footer .legal a {
  color: rgba(254, 253, 228, 0.55);
}
footer .triple-suns {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  padding: 1.5rem 0 0;
}
footer .triple-suns svg,
footer .triple-suns img {
  width: 28px;
  height: 28px;
  opacity: 0.5;
}

/* ---------- BLOC EXPERTISES (cross-links sur sommaire blog) ---------- */
.blog-expertises {
  background: var(--creme);
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--ash);
  margin-top: 3rem;
}
.blog-expertises .wrap {
  max-width: 1200px;
}
.blog-expertises .marker {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.blog-expertises h2 {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.2;
  margin: 0 0 2rem;
}
.blog-expertises .grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.blog-expertises .card {
  background: var(--blanc);
  border: 1px solid var(--ash);
  padding: 1.3rem 1.2rem 1.4rem;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--noir);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.blog-expertises .card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}
.blog-expertises .card .num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--amber);
  letter-spacing: 0.08em;
}
.blog-expertises .card h3 {
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--noir);
  margin: 0;
}
.blog-expertises .card .arrow {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.06em;
}
@media (max-width: 1100px) {
  .blog-expertises .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 700px) {
  .blog-expertises .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .blog-expertises .grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .wrap {
    padding: 0 1.2rem;
  }
  .topbar .inner {
    padding: 0.5rem 1.2rem;
    flex-wrap: wrap;
    gap: 0.6rem;
    font-size: 0.65rem;
  }
  .topbar .meta {
    gap: 0.8rem;
  }
  header.site .inner {
    padding: 0.9rem 1.2rem;
  }
  nav.site ul {
    gap: 0.7rem;
  }
  footer .grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .article-body {
    font-size: 1rem;
  }
  .article-body h2 {
    font-size: 1.5rem;
  }
}

/* ---------- MENU MOBILE (burger) ---------- */
.nav-burger {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  padding: 8px;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  position: relative;
  z-index: 1101;
}
.nav-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--noir, #050302);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}
nav.site.nav-open .nav-burger span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
nav.site.nav-open .nav-burger span:nth-child(2) {
  opacity: 0;
}
nav.site.nav-open .nav-burger span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}
body.nav-lock {
  overflow: hidden;
}
@media (max-width: 980px) {
  .nav-burger {
    display: flex;
  }
  nav.site > ul {
    position: fixed;
    inset: 0;
    background: var(--creme, #f4ede2);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 5rem 1.5rem 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.28s ease;
    z-index: 1100;
    overflow-y: auto;
  }
  nav.site.nav-open > ul {
    transform: translateX(0);
  }
  nav.site > ul > li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    width: 100%;
  }
  nav.site > ul > li > a {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
  }
  nav.site .has-dropdown > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  nav.site .has-dropdown .chev {
    transform: rotate(0deg);
    opacity: 0.6;
  }
  nav.site .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0 0 0.6rem 1rem;
    pointer-events: auto;
    min-width: 0;
  }
  nav.site .dropdown li {
    padding: 0;
  }
  nav.site .dropdown a {
    padding: 0.55rem 0;
    font-size: 0.9rem;
    opacity: 0.85;
  }
  nav.site a.cta {
    display: inline-flex;
    margin-top: 0.8rem;
    align-self: flex-start;
  }
}