/* =========================================
   Palette (depuis UI Pygame)
   FOND         #1E2228
   PANEL        #2A2F36
   VERT_NATURE  #3A7D5A
   CARTE_COL    #E6D8B5
   BOUTON_ACTIF #F2C94C
   BLANC        #F5F5F5
   NOIR         #1A1A1A
========================================= */

:root{
  --bg: #1E2228;
  --panel: #2A2F36;
  --green: #3A7D5A;
  --card: #E6D8B5;
  --accent: #F2C94C;
  --text: #F5F5F5;
  --black: #1A1A1A;
  --shadow: 0 12px 30px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

h1,h2,h3{
  margin: 0 0 14px 0;
  font-weight: 700;
  letter-spacing: .2px;
}

h2{
  font-size: 2.05rem;
  margin-bottom: 18px;
}

p { margin: 0 0 14px 0; }

strong { color: var(--accent); }

.lead{
  font-size: 1.15rem;
  opacity: .98;
  margin-bottom: 18px;
}

.muted{
  opacity: .85;
}

.badge{
  display: inline-block;
  background: rgba(0,0,0,.20);
  border: 1px solid rgba(255,255,255,.18);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .9rem;
  margin-bottom: 16px;
}

/* ================= HERO ================= */

.hero{
  background: radial-gradient(900px 400px at 20% 10%, rgba(242,201,76,.18), transparent 60%),
              radial-gradient(800px 420px at 80% 15%, rgba(230,216,181,.10), transparent 60%),
              linear-gradient(135deg, rgba(58,125,90,.92), rgba(58,125,90,.72));
  padding: 88px 0 64px 0;
}

.hero-content{
  text-align: center;
}

.hero h1{
  font-size: clamp(2.3rem, 4vw, 3.2rem);
  margin-bottom: 8px;
}

.subtitle{
  max-width: 820px;
  margin: 0 auto 22px auto;
  opacity: .95;
}

.hero-actions{
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-metrics{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.metric{
  background: rgba(30,34,40,.55);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 16px 14px;
  box-shadow: var(--shadow);
}

.metric-value{
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.metric-label{
  opacity: .9;
  font-size: .95rem;
}

/* ================= NAV ================= */

.nav{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(42,47,54,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.nav-inner{
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: center;
  padding: 12px 20px;
  flex-wrap: wrap;
}

.nav a{
  color: var(--text);
  text-decoration: none;
  opacity: .92;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
  transition: .25s;
}

.nav a:hover{
  color: var(--accent);
  background: rgba(242,201,76,.10);
}

/* ================= SECTIONS ================= */

.section{
  padding: 68px 0;
}

.section.dark{
  background: var(--panel);
}

.section.dark h2{ color: var(--text); }

.note{
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: rgba(242,201,76,.08);
  border-radius: 12px;
  color: var(--text);
  opacity: .95;
}

/* ================= GRIDS ================= */

.grid-3{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.grid-2{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

/* ================= CARDS / PANELS ================= */

.card, .panel{
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 20px 18px;
  box-shadow: var(--shadow);
}

.section.dark .card,
.section.dark .panel{
  background: rgba(30,34,40,.55);
}

.card h3, .panel h3{
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.card{
  transition: transform .22s ease, border-color .22s ease;
}

.card:hover{
  transform: translateY(-4px);
  border-color: rgba(58,125,90,.55);
}

.panel.accent{
  border-color: rgba(58,125,90,.75);
  background: rgba(58,125,90,.12);
}

/* ================= LISTS ================= */

.list{
  margin: 0;
  padding-left: 18px;
}

.list li{
  margin: 6px 0;
  opacity: .95;
}

.rules{
  margin: 0;
  padding-left: 18px;
}

.rules li{
  margin: 8px 0;
}

/* ================= BUTTONS ================= */

.btn-primary{
  display: inline-block;
  background: var(--accent);
  color: var(--black);
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: .25s;
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
}

.btn-primary:hover{
  background: var(--card);
  transform: translateY(-1px);
}

.btn-secondary{
  display: inline-block;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: .25s;
}

.btn-secondary:hover{
  background: rgba(242,201,76,.10);
  transform: translateY(-1px);
}

/* ================= CALLOUT ================= */

.callout{
  margin-top: 22px;
  background: rgba(230,216,181,.08);
  border: 1px solid rgba(230,216,181,.20);
  border-radius: 18px;
  padding: 18px;
}

.callout-title{
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--card);
}

/* ================= CODE BOX ================= */

.code-box{
  margin-top: 18px;
  background: #101214;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  overflow: hidden;
}

.code-box pre{
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.55;
}

.code-box code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: .95rem;
  color: #E9E9E9;
}

/* ================= FOOTER ================= */

.footer{
  background: var(--panel);
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 26px 0;
}

.footer-line{
  text-align: center;
  opacity: .88;
}

.footer-sep{
  margin: 0 8px;
  opacity: .65;
}

.footer-actions{
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
}



/* ================= LINK GRID ================= */

.link-grid{
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.link-card{
  display: block;
  text-decoration: none;
  color: var(--text);
  background: rgba(30,34,40,.55);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 14px 16px;
  transition: .22s;
}

.link-card h4{
  margin: 0 0 6px 0;
  color: var(--accent);
  font-size: 1.05rem;
}

.link-card p{
  margin: 0;
  opacity: .92;
  font-size: .95rem;
}

.link-card:hover{
  transform: translateY(-2px);
  border-color: rgba(242,201,76,.55);
  background: rgba(58,125,90,.20);
}

/* ================= RESPONSIVE ================= */

@media (max-width: 980px){
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .link-grid{ grid-template-columns: 1fr; }
  .hero-metrics{ grid-template-columns: 1fr; }
}


.compact li{ margin: 4px 0; }

.timeline{
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.step{
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.10);
  border-left: 4px solid var(--green);
  border-radius: 12px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

code{
  background: rgba(0,0,0,.22);
  padding: 2px 6px;
  border-radius: 8px;
}