:root {
  --bg: #FAFAF8;
  --text: #111111;
  --accent: #E8972E;
  --muted: #9A9A90;
  --border: #E8E6E0;
  --terminal-bg: #131310;
  --terminal-fg: #F0A840;
  --terminal-dim: rgba(240, 168, 64, 0.70);
  --radius: 3px;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 19px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ─── Navigation ─────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
}

.nav-logo {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0;
  letter-spacing: -0.01em;
}

.nav-logo .sep {
  display: inline-block;
  width: 11px;
  height: 5px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 0.3rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

/* ─── Layout ─────────────────────────────────────── */

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 6rem 2rem 5rem;
}

section {
  margin-bottom: 5rem;
}

/* ─── Typography ─────────────────────────────────── */

h2 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

p {
  color: var(--text);
  margin-bottom: 1rem;
  max-width: 62ch;
}

p.large {
  font-size: 1.18rem;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.accent-line {
  width: 2.2rem;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 2rem;
}

/* ─── Hero ───────────────────────────────────────── */

.hero {
  min-height: calc(100vh - 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-logo {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  opacity: 0;
  animation: appear 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}

.hero-logo .ok {
  font-size: clamp(5rem, 16vw, 10rem);
  color: var(--text);
}

.hero-logo .sep {
  width: clamp(1.8rem, 5.5vw, 3.6rem);
  height: clamp(0.75rem, 2.2vw, 1.5rem);
  background: var(--accent);
  border-radius: 3px;
  margin: 0 clamp(0.3rem, 0.9vw, 0.65rem);
  flex-shrink: 0;
}

.hero-logo .ia {
  font-size: clamp(4.2rem, 13vw, 8.5rem);
  color: var(--text);
}

.tagline {
  margin-top: 1.5rem;
  font-size: 1rem;
  color: var(--muted);
  font-style: italic;
  opacity: 0;
  animation: appear 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Word cloud ─────────────────────────────────── */

.word-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 2rem 0 2.5rem;
  align-items: baseline;
}

.wc-word {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  transition: opacity 0.2s;
  cursor: default;
  user-select: none;
}

.wc-word:hover {
  opacity: 1 !important;
  color: var(--accent);
}

/* ─── Domains ────────────────────────────────────── */

.domains {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.domain-tag {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.3rem 0.85rem;
  border-radius: 2rem;
  font-size: 0.82rem;
}

/* ─── Contact ────────────────────────────────────── */

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-line {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.95rem;
}

.contact-label {
  color: var(--muted);
  min-width: 5rem;
  font-size: 0.82rem;
}

/* ─── News list ──────────────────────────────────── */

.news-list {
  list-style: none;
}

.news-item {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.news-image {
  width: 90px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.news-body {
  flex: 1;
  min-width: 0;
}

.news-item:last-child {
  border-bottom: 1px solid var(--border);
}

.news-date {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.news-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.news-title a {
  color: var(--text);
}

.news-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.news-summary {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ─── Terminal ───────────────────────────────────── */

.terminal {
  background: var(--terminal-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2.5rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--terminal-fg);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(240, 168, 64, 0.25);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(240, 168, 64, 0.55);
}

.terminal-title {
  color: var(--terminal-dim);
  font-size: 0.78rem;
  margin-left: 0.4rem;
}

.terminal-output {
  min-height: 8rem;
  max-height: 28rem;
  overflow-y: auto;
  margin-bottom: 1rem;
}

.terminal-line {
  margin-bottom: 0.35rem;
  word-break: break-word;
  white-space: pre-wrap;
}

.terminal-line.terminal-ai {
  white-space: normal;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
}

.terminal-line.user {
  color: var(--terminal-fg);
}

.terminal-line.ai {
  color: rgba(240, 168, 64, 0.95);
}

.terminal-line.dim {
  color: var(--terminal-dim);
  font-size: 0.8rem;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(240, 168, 64, 0.25);
  padding-top: 0.8rem;
  gap: 0.6rem;
}

.terminal-prompt {
  color: var(--terminal-fg);
  user-select: none;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--terminal-fg);
  font-family: inherit;
  font-size: inherit;
  caret-color: var(--terminal-fg);
}

.terminal-input::placeholder {
  color: var(--terminal-dim);
}

.terminal-send {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  flex-shrink: 0;
}

.terminal-send:hover {
  opacity: 0.85;
}

.terminal-send:disabled,
.terminal-send.sending {
  cursor: not-allowed;
}

/* ─── Suggested questions ────────────────────────── */

.questions-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.questions {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0;
}

.question-btn {
  background: none;
  border: 1px solid var(--border);
  color: #555550;
  padding: 0.5rem 1rem;
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
}

.question-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ─── Loader (blinking cursor) ───────────────────── */

.cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--terminal-fg);
  animation: blink 0.85s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─── Réponses IA en markdown (thème sombre terminal) ── */

.terminal-ai,
.terminal-ai * {
  color: var(--terminal-fg) !important;
  background: transparent !important;
  border-color: rgba(240, 168, 64, 0.25) !important;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif !important;
}

.terminal-ai h1,
.terminal-ai h2,
.terminal-ai h3,
.terminal-ai h4 {
  font-size: 1em !important;
  font-weight: 700 !important;
  margin: 0.6em 0 0.2em !important;
}

.terminal-ai p {
  margin-bottom: 0.5em !important;
}

.terminal-ai strong {
  color: #FFD080 !important;
}

.terminal-ai em {
  color: rgba(240, 168, 64, 0.75) !important;
}

.terminal-ai a {
  color: #FFD080 !important;
  text-decoration: underline !important;
}

.terminal-ai ul,
.terminal-ai ol {
  padding-left: 1.4em !important;
  margin-bottom: 0.5em !important;
}

.terminal-ai li {
  margin-bottom: 0.2em !important;
}

.terminal-ai blockquote {
  border-left: 2px solid rgba(240, 168, 64, 0.4) !important;
  padding-left: 0.75em !important;
  color: rgba(240, 168, 64, 0.75) !important;
  font-style: italic !important;
  margin: 0.5em 0 !important;
}

.terminal-ai code {
  background: rgba(240, 168, 64, 0.15) !important;
  color: #FFD080 !important;
  padding: 0.1em 0.3em !important;
  border-radius: 3px !important;
  font-family: 'Courier New', monospace !important;
  font-size: 0.88em !important;
}

.terminal-ai pre {
  background: rgba(240, 168, 64, 0.08) !important;
  border: 1px solid rgba(240, 168, 64, 0.2) !important;
  padding: 0.75em !important;
  border-radius: 3px !important;
  overflow-x: auto !important;
  margin-bottom: 0.5em !important;
}

.terminal-ai hr {
  border-top: 1px solid rgba(240, 168, 64, 0.2) !important;
  margin: 0.75em 0 !important;
}

.terminal-ai table {
  font-size: 0.88em !important;
  border-collapse: collapse !important;
  margin-bottom: 0.5em !important;
}

.terminal-ai th {
  color: rgba(240, 168, 64, 0.7) !important;
  font-weight: 600 !important;
}

.terminal-ai th,
.terminal-ai td {
  padding: 0.3em 0.6em !important;
  border-bottom: 1px solid rgba(240, 168, 64, 0.2) !important;
}

/* ─── Reports list ───────────────────────────────── */

.rapports-intro {
  max-width: 68ch;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rapports-intro p {
  font-size: 0.97rem;
  line-height: 1.75;
  color: var(--muted);
}

.rapports-intro a {
  color: var(--accent);
}

.wudd-credit {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.wudd-credit a {
  color: var(--accent);
}

.reports-list {
  list-style: none;
}

.report-item {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.report-image {
  width: 90px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.report-body {
  flex: 1;
  min-width: 0;
}

.report-item:last-child {
  border-bottom: 1px solid var(--border);
}

.report-date {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.report-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  display: block;
}

.report-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.report-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* ─── Markdown viewer ────────────────────────────── */

.markdown-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
  margin: 1rem 0;
}

/* ─── Bandeau métadonnées rapport ────────────────── */

.rapport-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.65rem 1rem;
  background: var(--surface, #F7F6F1);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  margin-bottom: 2rem;
  letter-spacing: 0.01em;
}

.rapport-meta-bar a {
  color: var(--accent);
  font-weight: 500;
}

.rapport-meta-bar a:hover {
  text-decoration: underline;
}

.meta-sep {
  color: var(--border);
  user-select: none;
}

/* ─── Markdown viewer ────────────────────────────── */

.markdown-content {
  line-height: 1.75;
}

.markdown-content h1 {
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.markdown-content h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.markdown-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.markdown-content p {
  max-width: none;
  margin-bottom: 1rem;
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.markdown-content li {
  margin-bottom: 0.3rem;
}

.markdown-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.1rem;
  color: var(--muted);
  margin: 1.5rem 0;
  font-style: italic;
}

.markdown-content code {
  background: #EEECE6;
  padding: 0.1em 0.38em;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.86em;
}

.markdown-content pre {
  background: #EEECE6;
  padding: 1.1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.markdown-content pre code {
  background: none;
  padding: 0;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.markdown-content th,
.markdown-content td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.markdown-content th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─── Back link ──────────────────────────────────── */

/* ─── Lightbox diagramme Mermaid ─────────────────── */

.diagram-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.diagram-overlay[hidden] {
  display: none;
}

.diagram-zoom-wrap {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  width: 92vw;
  height: 88vh;
  overflow: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram-zoom-wrap .mermaid {
  cursor: default;
  width: 100%;
}

.diagram-zoom-wrap svg {
  width: 100%;
  height: auto;
  max-height: 80vh;
}

.diagram-close {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.75;
  z-index: 1001;
}

.diagram-close:hover {
  opacity: 1;
}

/* ─── Back link ──────────────────────────────────── */

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.86rem;
  margin-bottom: 2.5rem;
  text-decoration: none;
  transition: color 0.15s;
}

.back:hover {
  color: var(--text);
  text-decoration: none;
}

/* ─── Empty/loading states ───────────────────────── */

.loading,
.empty-state {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1.5rem 0;
}

.empty-state {
  font-style: italic;
}

/* ─── Footer ─────────────────────────────────────── */

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ─── Responsive ─────────────────────────────────── */

@media (max-width: 600px) {
  nav {
    padding: 1rem 1.25rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  main {
    padding: 5rem 1.25rem 3.5rem;
  }

  footer {
    padding: 1.5rem 1.25rem;
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }
}