@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Share+Tech+Mono&family=Oswald:wght@300;400;600&display=swap');

/* ─── VARIABLES ─────────────────────────────────────────────── */
:root {
  --khaki-dark:   #2c2a1e;
  --khaki-mid:    #4a4530;
  --khaki-light:  #8a8060;
  --sand:         #c8b88a;
  --sand-light:   #e8dcc4;
  --cream:        #f5f0e4;
  --rust:         #8b3a1a;
  --rust-light:   #b5512a;
  --ink:          #1a1810;
  --concrete:     #6e6e5e;

  --font-serif:   'Libre Baskerville', Georgia, serif;
  --font-mono:    'Share Tech Mono', monospace;
  --font-display: 'Oswald', sans-serif;

  --transition:   0.3s ease;
  --radius:       2px;
}

/* ─── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--khaki-dark);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.01) 2px,
      rgba(255,255,255,0.01) 4px
    );
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--sand); text-decoration: none; }
a:hover { color: var(--cream); }
img { display: block; max-width: 100%; height: auto; }

/* ─── NOISE OVERLAY ──────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ─── HEADER ─────────────────────────────────────────────────── */
.site-header {
  background: var(--ink);
  border-bottom: 3px solid var(--rust);
  padding: 14px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sand);
}

.site-header .logo span {
  color: var(--rust-light);
}

.back-to-site {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--khaki-light);
  letter-spacing: 0.08em;
  border: 1px solid var(--khaki-mid);
  padding: 4px 10px;
  transition: var(--transition);
}
.back-to-site:hover {
  color: var(--sand);
  border-color: var(--sand);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switcher {
  display: flex;
  border: 1px solid var(--khaki-mid);
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--khaki-light);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover { color: var(--sand); background: var(--khaki-mid); }

.lang-btn.active {
  background: var(--rust);
  color: var(--cream);
}

/* ─── PROGRESS BAR ───────────────────────────────────────────── */
.progress-bar-wrap {
  background: var(--khaki-dark);
  border-bottom: 1px solid var(--khaki-mid);
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 36px;
}

.progress-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--khaki-light);
  white-space: nowrap;
}

.progress-track {
  flex: 1;
  height: 3px;
  background: var(--khaki-mid);
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rust), var(--rust-light));
  transition: width 0.5s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -3px;
  width: 9px;
  height: 9px;
  background: var(--rust-light);
  border-radius: 50%;
}

.progress-steps {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--sand);
  white-space: nowrap;
}

/* ─── MAIN LAYOUT ────────────────────────────────────────────── */
.page-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
  animation-delay: 0.1s;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ─── STEP HEADER ────────────────────────────────────────────── */
.step-header {
  margin-bottom: 36px;
  border-left: 4px solid var(--rust);
  padding-left: 20px;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--rust-light);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.step-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.2rem;
  letter-spacing: 0.04em;
  color: var(--cream);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 6px;
}

.step-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--sand);
}

/* ─── PHOTO BLOCK ────────────────────────────────────────────── */
.photo-block {
  position: relative;
  margin-bottom: 36px;
  background: var(--khaki-mid);
}

.photo-block img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  filter: sepia(20%) contrast(1.05);
  transition: filter 0.3s;
}

.photo-block:hover img {
  filter: sepia(0%) contrast(1.0);
}

/* Fallback placeholder quand pas de vraie photo */
.photo-placeholder {
  width: 100%;
  height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--khaki-mid) 0%, var(--khaki-dark) 100%);
  border: 2px dashed var(--khaki-light);
  gap: 12px;
}

.photo-placeholder svg {
  opacity: 0.3;
}

.photo-placeholder p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--khaki-light);
  letter-spacing: 0.1em;
}

.photo-caption {
  background: rgba(0,0,0,0.6);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--sand-light);
}

/* ─── DIVIDER ────────────────────────────────────────────────── */
.military-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 0;
}

.military-divider::before,
.military-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--khaki-mid));
}
.military-divider::after {
  background: linear-gradient(90deg, var(--khaki-mid), transparent);
}

.military-divider span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--khaki-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ─── COMMENT BLOCK ──────────────────────────────────────────── */
.comment-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--khaki-mid);
  border-left: 3px solid var(--sand);
  padding: 28px 32px;
  margin-bottom: 48px;
}

.comment-block p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--sand-light);
}

/* ─── NAVIGATION ─────────────────────────────────────────────── */
.nav-controls {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--khaki-mid);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 28px;
  background: transparent;
  border: none;
  color: var(--sand);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  flex: 1;
  justify-content: center;
}

.nav-btn:hover:not(.disabled) {
  background: var(--khaki-mid);
  color: var(--cream);
}

.nav-btn.disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

.nav-btn.primary {
  background: var(--rust);
  color: var(--cream);
  border-left: 1px solid var(--khaki-mid);
}

.nav-btn.primary:hover {
  background: var(--rust-light);
}

.nav-btn svg {
  flex-shrink: 0;
}

.nav-divider {
  width: 1px;
  background: var(--khaki-mid);
  flex-shrink: 0;
}

/* ─── ACCUEIL PAGE ───────────────────────────────────────────── */
.welcome-hero {
  text-align: center;
  padding: 20px 0 48px;
}

.welcome-badge {
  display: inline-block;
  border: 1px solid var(--rust);
  padding: 4px 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--rust-light);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.welcome-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 3rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream);
  line-height: 1.05;
  margin-bottom: 8px;
}

.welcome-title em {
  display: block;
  color: var(--sand);
  font-style: normal;
  font-weight: 300;
  font-size: 1.4rem;
  letter-spacing: 0.2em;
  margin-top: 6px;
}

.welcome-intro {
  max-width: 560px;
  margin: 28px auto 0;
  font-size: 0.95rem;
  color: var(--sand-light);
  line-height: 1.85;
}

.start-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  padding: 16px 40px;
  background: var(--rust);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.start-btn:hover {
  background: var(--rust-light);
  color: var(--cream);
  transform: translateY(-1px);
}

.steps-overview {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--khaki-mid);
  border: 1px solid var(--khaki-mid);
}

.step-item {
  background: var(--khaki-dark);
  padding: 20px;
  cursor: pointer;
  transition: background var(--transition);
  text-align: left;
}

.step-item:hover {
  background: var(--khaki-mid);
}

.step-item-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--rust-light);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.step-item-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sand);
  line-height: 1.3;
}

/* ─── AUDIO PLAYER ───────────────────────────────────────────── */
.audio-block {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--khaki-mid);
  border-left: 3px solid var(--rust);
  padding: 14px 20px;
  margin-bottom: 28px;
}
.audio-play-btn {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--rust);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.audio-play-btn:hover { background: var(--rust-light); transform: scale(1.05); }
.audio-play-btn.playing { background: var(--khaki-mid); }
.audio-info { flex: 1; min-width: 0; }
.audio-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--rust-light);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.audio-progress-track {
  height: 3px;
  background: var(--khaki-mid);
  position: relative;
  cursor: pointer;
  border-radius: 2px;
}
.audio-progress-fill {
  height: 100%;
  background: var(--rust);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}
.audio-time {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--khaki-light);
  margin-top: 4px;
  letter-spacing: 0.08em;
}

/* ─── HELLOASSO DONATE ────────────────────────────────────────── */
.donate-block {
  margin-top: 40px;
  border: 1px solid var(--khaki-mid);
  padding: 28px 32px;
  text-align: center;
  background: rgba(139, 58, 26, 0.06);
}
.donate-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--rust-light);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.donate-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 10px;
}
.donate-text {
  font-size: 0.88rem;
  color: var(--sand-light);
  margin-bottom: 20px;
  line-height: 1.7;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}
.donate-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--rust);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.donate-btn:hover {
  background: var(--rust-light);
  color: var(--cream);
  transform: translateY(-1px);
}
.donate-powered {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--khaki-light);
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* ─── QR BADGE ───────────────────────────────────────────────── */
.qr-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(139, 58, 26, 0.15);
  border: 1px solid var(--rust);
  padding: 6px 14px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--rust-light);
}

.nav-btn.qr-home {
  color: var(--sand);
}

/* ─── FIN PAGE ───────────────────────────────────────────────── */
.fin-block {
  text-align: center;
  padding: 60px 0;
}

.fin-icon {
  margin: 0 auto 24px;
  width: 60px;
  height: 60px;
  border: 2px solid var(--rust);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fin-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 16px;
}

.fin-text {
  max-width: 480px;
  margin: 0 auto 36px;
  color: var(--sand-light);
  font-style: italic;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .site-header { padding: 12px 16px; }
  .progress-bar-wrap { padding: 0 16px; }
  .page-wrap { padding: 28px 16px 60px; }
  .step-title { font-size: 1.6rem; }
  .welcome-title { font-size: 2rem; }
  .photo-block img, .photo-placeholder { height: 240px; }
  .comment-block { padding: 18px 20px; }
  .nav-btn { padding: 14px 16px; font-size: 0.75rem; }
  .steps-overview { grid-template-columns: 1fr 1fr; }
}