/* ==========================================================================
   Trézo dans ma ville — feuille de style principale
   Palette neutre / institutionnelle, mobile-first, sans dépendance externe.
   ========================================================================== */

:root {
  /* Couleurs */
  --color-bg: #faf8f4;
  --color-bg-alt: #f1ece2;
  --color-surface: #ffffff;
  --color-text: #232323;
  --color-text-muted: #5c5c5c;
  --color-primary: #1f5f5b;       /* vert-bleu sobre, confiance/trésorerie */
  --color-primary-dark: #163f3d;
  --color-primary-content: #ffffff;
  --color-accent: #b8863b;        /* doré discret, écho "réserve de valeur" */
  --color-border: #e2dccd;

  /* Accents ponctuels pour les actifs (utilisés avec parcimonie) */
  --color-bitcoin: #f7931a;
  --color-monero: #ff6600;
  --color-gold: #b8863b;
  --color-silver: #8a8f94;

  /* Typographie */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;

  /* Rayons / ombres */
  --radius: 0.75rem;
  --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.06);

  --wrap-width: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
h3 { font-family: var(--font-base); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4em; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-primary);
}

img { max-width: 100%; display: block; }

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
  border-radius: 0 0 0.5rem 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Header / navigation ---------- */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-primary-dark);
  font-weight: 800;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.6rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.1rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
}

.main-nav > ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.main-nav > ul > li {
  position: relative;
}

.dropdown-panel {
  list-style: none;
  margin: 0;
  padding: 0.6rem;
  display: none;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 15rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.65rem;
  box-shadow: 0 12px 28px rgba(22, 63, 61, 0.14);
}

.dropdown-panel a {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
  border-bottom: none !important;
}

.dropdown-panel a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

@media (min-width: 861px) {
  .has-dropdown .dropdown-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 6px);
    z-index: 20;
  }

  .has-dropdown:hover .dropdown-panel,
  .has-dropdown:focus-within .dropdown-panel {
    display: flex;
  }

  /* petite zone tampon pour éviter que le menu ne se ferme entre le lien et le panneau */
  .has-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
  }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 0.5rem;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0 auto;
  background: var(--color-text);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
    padding-bottom: 1rem;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav > ul {
    flex-direction: column;
    gap: 0.25rem;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .dropdown-panel {
    display: flex;
    position: static;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 0 1rem;
    margin-top: 0.15rem;
  }

  .dropdown-panel a {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    padding: 0.3rem 0.5rem;
  }
}

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-content);
}

.btn-primary:hover {
  box-shadow: 0 8px 22px rgba(31, 95, 91, 0.35);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* ---------- Hero ---------- */

#hero {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0 9.5rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(31, 95, 91, 0.10), transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(184, 134, 59, 0.14), transparent 50%),
    var(--color-bg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 44rem;
}

.hero-badge {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(184, 134, 59, 0.14);
  border: 1px solid rgba(184, 134, 59, 0.35);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.5rem;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Silhouette de village (motif décoratif) ---------- */

.skyline {
  display: block;
  width: 100%;
}

.skyline path,
.skyline circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skyline-hero {
  position: absolute;
  left: -2%;
  bottom: 0;
  width: 104%;
  height: auto;
  color: var(--color-primary);
  opacity: 0.22;
  pointer-events: none;
  animation: skyline-drift 50s ease-in-out infinite;
}

@keyframes skyline-drift {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-1.5%); }
}

@media (prefers-reduced-motion: reduce) {
  .skyline-hero {
    animation: none;
  }
}

.skyline-footer {
  display: block;
  width: 100%;
  height: 64px;
  color: #ffffff;
  opacity: 0.10;
  pointer-events: none;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--color-text-muted);
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0 1.5rem;
}

.hero-disclaimer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-disclaimer a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

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

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 42rem;
  font-size: 1.05rem;
}

.article-narrow {
  max-width: 42rem;
}

.article-narrow h2 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
}

.article-narrow h2:first-child {
  margin-top: 0;
}

#a-propos-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
}

/* ---------- Apparition au scroll (discrète) ---------- */

.reveal,
.timeline-step,
.asset-card,
.resource-card,
.xp-milestone,
.frame-list li {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible,
.timeline-step.is-visible,
.asset-card.is-visible,
.resource-card.is-visible,
.xp-milestone.is-visible,
.frame-list li.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .timeline-step,
  .asset-card,
  .resource-card,
  .xp-milestone,
  .frame-list li {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- Timeline objectifs ---------- */

.timeline {
  display: grid;
  gap: 1.75rem;
  margin-top: 2rem;
}

@media (min-width: 780px) {
  .timeline {
    grid-template-columns: 1fr 1fr;
  }
}

.timeline-step {
  display: flex;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.timeline-index {
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.timeline-note {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ---------- Cadre de l'expérimentation (liste + frise) ---------- */

.frame-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.frame-list li {
  position: relative;
  padding: 1rem 1.1rem 1rem 2.6rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.6rem;
  font-size: 0.94rem;
  color: var(--color-text);
}

.frame-list li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--color-primary);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5,13 L10,18 L19,7'/></svg>") center / 65% no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5,13 L10,18 L19,7'/></svg>") center / 65% no-repeat;
}

.xp-timeline {
  margin-top: 3rem;
  position: relative;
  padding-left: 2rem;
}

.xp-timeline::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: var(--color-border);
}

.xp-milestone {
  position: relative;
  padding-bottom: 2rem;
}

.xp-milestone:last-child {
  padding-bottom: 0;
}

.xp-milestone::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.3rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.xp-milestone-open::before {
  background: var(--color-bg);
}

.xp-date {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.xp-date span {
  display: inline-block;
  margin-left: 0.5rem;
  font-family: var(--font-base);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  vertical-align: middle;
}

.xp-body h3 {
  margin-bottom: 0.15rem;
}

.xp-body p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ---------- Actifs de diversification ---------- */

.asset-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  margin-top: 2rem;
}

.asset-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.asset-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 1.1rem;
}

.asset-icon-bitcoin { background: var(--color-bitcoin); }
.asset-icon-monero { background: var(--color-monero); }
.asset-icon-gold { background: var(--color-gold); }
.asset-icon-silver { background: var(--color-silver); }

.asset-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.asset-footnote {
  margin-top: 1.75rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ---------- Carte ---------- */

.map-embed-wrap {
  margin-top: 1.5rem;
  height: 32rem;
  max-height: 70vh;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.map-embed-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Ressources ---------- */

.resource-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 2rem;
}

.resource-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease;
}

.resource-card:hover {
  transform: translateY(-2px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(31, 95, 91, 0.08);
  color: var(--color-primary);
  margin-bottom: 0.9rem;
}

.card-icon svg {
  width: 1.4rem;
  height: 1.4rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.resource-grid-knowledge .card-icon {
  background: rgba(184, 134, 59, 0.12);
  color: var(--color-accent);
}

.resource-card h3 {
  color: var(--color-primary-dark);
}

.resource-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.resource-status {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-accent);
}

.link-more {
  font-weight: 700;
}

/* ---------- Footer ---------- */

#site-footer {
  background: var(--color-primary-dark);
  color: #eef4f3;
  padding: 3rem 0 2rem;
}

#site-footer h2 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 0.6em;
}

.disclaimer-block {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.disclaimer-block p {
  font-size: 0.9rem;
  color: #d7e4e2;
}

.disclaimer-block a {
  color: #ffffff;
}

.footer-columns {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  margin-bottom: 2rem;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-nav a,
.footer-col p {
  color: #d7e4e2;
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-nav a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.copyright {
  font-size: 0.82rem;
  color: #a9bdba;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.25rem;
  margin-bottom: 0;
}