/* =========================================================================
   KRIEGER — styles.css
   Palette verrouillée (bible visuelle de l'IP). Le bleu glacial est réservé
   à l'interaction et au statut : si c'est bleu, c'est vivant.
   Le cuir usé n'apparaît qu'en section 03 (LES BD).
   Angles durs partout : aucun border-radius. Transitions 120-160ms,
   linear ou ease-out uniquement.
   ========================================================================= */

:root {
  --noir-charbon: #0A0A0C;
  --noir-surface: #121216;
  --gris-fer:     #55595E;
  --gris-fer-2:   #2E3134;
  --cuir-use:     #6E5A46;
  --blanc-os:     #E8E6E1;
  --sable:        #C9B79A;   /* accent principal : titres, chiffres, bordures, boutons */
  --sable-vif:    #E0D2B8;   /* survol */
  --bleu-glacial: #4DA6C9;   /* conservé pour le seul anneau de focus (accessibilité) */

  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-hud: "IBM Plex Mono", "Courier New", monospace;
  --font-body: "Inter", system-ui, sans-serif;

  --t-fast: 140ms ease-out;
  --bracket: rgba(232, 230, 225, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--noir-charbon);
  color: var(--blanc-os);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--bleu-glacial); outline-offset: 3px; }

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

section[id] { scroll-margin-top: 3.5rem; }

/* ---------- typographie HUD ---------- */
.hud-label, .eyebrow, .hud-nav a, .hud-readout, .hud-lang, .hud-wordmark {
  font-family: var(--font-hud);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow { color: var(--gris-fer); margin-bottom: 2.2rem; }
.eyebrow .num { color: var(--sable); margin-right: 0.9em; }
.hud-label { color: var(--gris-fer); }

/* ---------- coins fixes ---------- */
.hud { position: fixed; z-index: 50; pointer-events: none; }
.hud a, .hud p { pointer-events: auto; }

.hud-top {
  top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.4rem 1.8rem;
}
.hud-wordmark {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700; letter-spacing: 0.30em;
  text-decoration: none;
}
.hud-nav { display: flex; gap: 1.6rem; }
.hud-nav a { text-decoration: none; color: var(--blanc-os); opacity: 0.78; transition: color var(--t-fast), opacity var(--t-fast); }
.hud-nav a:hover, .hud-nav a:focus-visible, .hud-nav a.is-active { color: var(--sable); opacity: 1; }

.hud-bottom {
  bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 1.8rem;
}
.hud-readout { color: var(--gris-fer); display: flex; align-items: center; gap: 0.7em; }
.hud-readout .tick {
  width: 6px; height: 6px; background: var(--sable); display: inline-block;
}
.hud-lang { color: var(--gris-fer); }

/* voile de lisibilité derrière les coins, sans gradient décoratif */
.hud-top::before, .hud-bottom::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border-bottom: 1px solid var(--gris-fer-2);
}
.hud-bottom::before { border-bottom: none; border-top: 1px solid var(--gris-fer-2); }

/* ---------- menu mobile ---------- */
.hud-burger {
  display: none;
  background: none; border: 1px solid var(--gris-fer-2);
  color: var(--blanc-os); cursor: pointer;
  font-family: var(--font-hud); font-size: 11px; letter-spacing: 0.16em;
  padding: 0.55rem 0.9rem; align-items: center; gap: 0.55rem;
}
.hud-burger .burger-bar { display: block; width: 16px; height: 1px; background: currentColor; }
.hud-burger[aria-expanded="true"] { color: var(--sable); border-color: var(--sable); }

/* ---------- 01 hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-media, .hero-media video, .hero-media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.hero-scrim {
  position: absolute; left: 0; right: 0; bottom: 0; height: 30%;
  background: linear-gradient(180deg, transparent, rgba(10, 10, 12, 0.95));
}
.hero-inner {
  position: relative; z-index: 2;
  padding: 0 1.8rem 16svh;
  width: 100%; max-width: 1200px; margin: 0 auto;
  text-shadow: 0 1px 12px rgba(10, 10, 12, 0.85);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4.2rem, 15vw, 11rem);
  line-height: 0.92;
  letter-spacing: 0.06em;
  margin: 0.6rem 0 0.9rem;
  text-shadow: 0 2px 28px rgba(10, 10, 12, 0.8);
}
.hero-sub { color: var(--blanc-os); font-size: clamp(1rem, 2vw, 1.25rem); max-width: 40ch; }
.hero-slogan {
  font-family: var(--font-hud); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blanc-os); opacity: 0.7;
  margin-top: 1.1rem; max-width: 52ch;
}
.hero .eyebrow { color: var(--blanc-os); opacity: 0.75; margin-bottom: 0; }

.scroll-cue {
  position: absolute; z-index: 2; left: 50%; bottom: 4.2rem;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
  font-family: var(--font-hud); font-size: 10px; letter-spacing: 0.2em;
  color: var(--blanc-os); opacity: 0.7; text-decoration: none;
  text-shadow: 0 1px 8px rgba(10, 10, 12, 0.9);
  transition: color var(--t-fast), opacity var(--t-fast);
}
.scroll-cue:hover, .scroll-cue:focus-visible { color: var(--sable); }
.cue-line { width: 1px; height: 44px; background: var(--gris-fer); }
.scroll-cue:hover .cue-line { background: var(--sable); }

/* ---------- sections ---------- */
.section {
  border-top: 1px solid var(--gris-fer-2);
  padding: clamp(4rem, 9vh, 7rem) 0;
}
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 1.8rem; }

.intro {
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  line-height: 1.55;
  max-width: 65ch;
  margin-bottom: 3rem;
}

/* brackets de visée : persistants, discrets ; s'allument au survol */
.bracket { position: relative; }
.bracket::before, .bracket::after {
  content: ""; position: absolute; width: 18px; height: 18px;
  border: 1px solid var(--bracket);
  transition: border-color var(--t-fast);
  pointer-events: none;
}
.bracket::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.bracket::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.bracket:hover::before, .bracket:hover::after,
.bracket:focus-within::before, .bracket:focus-within::after {
  border-color: var(--sable);
}

/* ---------- 02 univers ---------- */
.univers-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
}
.panel {
  background: var(--noir-surface);
  border: 1px solid var(--gris-fer-2);
  padding: 1.6rem;
}
.panel .media-slot { margin: -1.6rem -1.6rem 1.4rem; aspect-ratio: 16 / 10; }
.panel .media-slot img { width: 100%; height: 100%; object-fit: cover; }
.panel .hud-label { color: var(--sable); display: block; margin-bottom: 0.9rem; }
.panel p { color: var(--blanc-os); max-width: 55ch; }

/* ---------- 03 les bd (seule zone du cuir) ---------- */
.bd-strip {
  display: flex; gap: 1.2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 1.8rem 1.4rem;
  max-width: 1400px; margin: 0 auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gris-fer-2) transparent;
}
.bd-item {
  flex: 0 0 auto;
  width: clamp(200px, 24vw, 300px);
  aspect-ratio: 2 / 3;
  scroll-snap-align: start;
  background: var(--noir-surface);
  border: 1px solid var(--cuir-use);
  padding: 0; cursor: zoom-in;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.bd-item:hover, .bd-item:focus-visible {
  border-color: var(--sable-vif);
  transform: translateY(-3px);
}
.bd-item img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 04 le personnage ---------- */
.sheets-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}
.sheet { background: var(--noir-surface); border: 1px solid var(--gris-fer-2); }
.sheet-media { aspect-ratio: 4 / 3; }
.sheet-media img { width: 100%; height: 100%; object-fit: cover; }
.sheet-media .placeholder { height: 100%; }
.sheet figcaption {
  font-family: var(--font-hud); font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gris-fer);
  padding: 0.9rem 1.1rem; border-top: 1px solid var(--gris-fer-2);
}

/* ---------- 05 les séquences ---------- */
.seq-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.seq-card { background: var(--noir-surface); border: 1px solid var(--gris-fer-2); }
.seq-media { position: relative; aspect-ratio: 16 / 9; background: var(--noir-charbon); }
.seq-media video, .seq-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.seq-play {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center;
  background: rgba(10, 10, 12, 0.35);
  border: none; cursor: pointer; color: var(--blanc-os);
  font-family: var(--font-hud); font-size: 11px; letter-spacing: 0.18em;
  transition: background var(--t-fast), color var(--t-fast);
  width: 100%;
}
.seq-play:hover, .seq-play:focus-visible { color: var(--sable); background: rgba(10, 10, 12, 0.15); }
.seq-play .tri {
  width: 0; height: 0; margin-bottom: 0.7rem;
  border-left: 16px solid currentColor;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}
.seq-body { padding: 1.1rem 1.2rem 1.3rem; }
.seq-badge {
  font-family: var(--font-hud); font-size: 10px; letter-spacing: 0.14em;
  color: var(--sable);
  border: 1px solid var(--sable);
  display: inline-block; padding: 0.25rem 0.55rem;
  margin-bottom: 0.35rem;
}
.seq-badge-sub {
  font-family: var(--font-hud); font-size: 10px; letter-spacing: 0.12em;
  color: var(--gris-fer); display: block; margin-bottom: 0.9rem;
}
.seq-titre {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.25rem; letter-spacing: 0.05em; text-transform: uppercase;
}
.seq-duree { font-family: var(--font-hud); font-size: 11px; color: var(--gris-fer); margin-top: 0.2rem; }

/* ---------- 06 le processus ---------- */
.outils { color: var(--blanc-os); font-size: 13px; margin-bottom: 1.4rem; }
.methode { color: var(--gris-fer); max-width: 60ch; }

/* ---------- 07 contact ---------- */
.contact-actions { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.btn {
  font-family: var(--font-hud); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; text-decoration: none;
  padding: 0.95rem 1.8rem;
  border: 1px solid var(--gris-fer);
  color: var(--blanc-os);
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
  display: inline-flex; align-items: center; gap: 0.9em;
}
.btn:hover, .btn:focus-visible { border-color: var(--sable-vif); color: var(--sable-vif); }
.btn-primary { background: var(--noir-surface); }
.btn .note { color: var(--gris-fer); font-size: 10px; }
.btn[aria-disabled="true"] {
  pointer-events: none; color: var(--gris-fer); border-color: var(--gris-fer-2);
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--gris-fer-2);
  padding: 2.2rem 0 4.6rem; /* espace pour le readout fixe */
}
.footer p { color: var(--gris-fer); font-size: 0.82rem; max-width: 90ch; }
.footer-flex { display: flex; align-items: flex-start; gap: 1.2rem; }
.footer-embleme { width: 40px; height: 40px; flex: 0 0 auto; opacity: 0.9; }

/* ---------- placeholders (média manquant) ---------- */
.placeholder {
  width: 100%; height: 100%;
  min-height: 120px;
  display: grid; place-items: center;
  background: var(--noir-surface);
  border: 1px dashed var(--gris-fer-2);
  color: var(--gris-fer);
  font-family: var(--font-hud); font-size: 10px; letter-spacing: 0.1em;
  text-align: center; padding: 1rem;
  word-break: break-all;
}

/* ---------- lightbox ---------- */
.lightbox { border: none; background: transparent; padding: 0; max-width: 100vw; max-height: 100vh; }
.lightbox::backdrop { background: rgba(10, 10, 12, 0.94); }
.lightbox[open] {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  display: grid; place-items: center;
}
.lightbox img {
  max-width: min(88vw, 900px); max-height: 86vh;
  border: 1px solid var(--cuir-use);
}
.lb-close, .lb-nav {
  position: fixed; z-index: 2;
  background: var(--noir-surface); color: var(--blanc-os);
  border: 1px solid var(--gris-fer-2);
  font-family: var(--font-hud); font-size: 16px;
  width: 44px; height: 44px; cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lb-close:hover, .lb-nav:hover, .lb-close:focus-visible, .lb-nav:focus-visible {
  color: var(--sable); border-color: var(--sable);
}
.lb-close { top: 1.2rem; right: 1.2rem; }
.lb-prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb-count { position: fixed; bottom: 1.4rem; left: 50%; transform: translateX(-50%); color: var(--gris-fer); }

/* ---------- grain ---------- */
.grain {
  position: fixed; inset: -100px; z-index: 90;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(4) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-32px, 18px); }
  50%  { transform: translate(24px, -26px); }
  75%  { transform: translate(-18px, -12px); }
  100% { transform: translate(0, 0); }
}

/* ---------- reveals (uniquement si JS actif) ---------- */
html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 160ms ease-out, transform 160ms ease-out; }
html.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain { animation: none; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- responsive ---------- */
/* sous 1080px, les coins deviennent : barre haute + readout bas */
@media (max-width: 1080px) {
  .hud-top {
    padding: 0.9rem 1.1rem;
    flex-direction: column; align-items: flex-start; gap: 0.7rem;
  }
  .hud-nav {
    width: 100%; overflow-x: auto; gap: 1.3rem;
    scrollbar-width: none; padding-bottom: 2px;
  }
  .hud-nav::-webkit-scrollbar { display: none; }
  .hud-nav a { flex: 0 0 auto; }
  section[id] { scroll-margin-top: 5.6rem; }
}

@media (max-width: 768px) {
  .hud-bottom { padding: 0.8rem 1.1rem; }
  .univers-grid { grid-template-columns: 1fr; }
  .sheets-grid, .seq-grid { grid-template-columns: 1fr; }
  .hero-inner { padding-bottom: 20svh; }
  .scroll-cue { display: none; }
  .lb-prev { left: 0.5rem; } .lb-next { right: 0.5rem; }
}

@media (max-width: 400px) {
  .wrap, .hud-top { padding-left: 1rem; padding-right: 1rem; }
  .bd-strip { padding-left: 1rem; padding-right: 1rem; }
  .hud-lang { display: none; }
  .contact-actions .btn { width: 100%; justify-content: center; }
}


/* =====================================================================
   03 LES TROIS MÉDIAS : la chaîne de production
   La flèche entre les étapes est le cœur du propos : la BD nourrit
   l'animation, qui nourrit le jeu. Sur mobile la rangée devient une
   colonne et les flèches pivotent.
   ===================================================================== */
.pipeline-titre {
  font-family: var(--font-display);
  font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  letter-spacing: 0.02em; line-height: 1.05;
  color: var(--sable);
  margin-bottom: 1.4rem; max-width: 22ch;
}
.pipeline {
  list-style: none; display: flex; align-items: stretch; gap: 1rem;
  margin: 0 0 3rem;
}
.pipe-step {
  flex: 1 1 0; min-width: 0;
  background: var(--noir-surface); border: 1px solid var(--gris-fer-2);
  padding: 0 0 1.3rem;
}
.pipe-media { aspect-ratio: 16 / 11; background: var(--noir-charbon); }
.pipe-media img { width: 100%; height: 100%; object-fit: cover; }
.pipe-media .placeholder { height: 100%; }
.pipe-num {
  font-family: var(--font-hud); font-size: 11px; letter-spacing: 0.16em;
  color: var(--sable); padding: 1rem 1.2rem 0.35rem;
}
.pipe-nom {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.35rem; letter-spacing: 0.03em; padding: 0 1.2rem 0.6rem;
}
.pipe-txt { color: var(--gris-fer); font-size: 0.92rem; padding: 0 1.2rem; }
.pipe-arrow {
  flex: 0 0 auto; align-self: center;
  color: var(--sable); font-size: 1.6rem; line-height: 1;
  padding: 0 0.2rem;
}

.piliers {
  list-style: none; display: grid; gap: 1px;
  grid-template-columns: repeat(4, 1fr);
  background: var(--gris-fer-2); border: 1px solid var(--gris-fer-2);
}
.piliers li { background: var(--noir-surface); padding: 1.3rem 1.2rem; }
.pilier-nom {
  display: block; font-family: var(--font-hud); font-size: 11px;
  letter-spacing: 0.14em; color: var(--sable); margin-bottom: 0.5rem;
}
.pilier-txt { display: block; color: var(--gris-fer); font-size: 0.88rem; }

/* ---------- 08 investir ---------- */
.stats { display: flex; gap: 3.5rem; flex-wrap: wrap; margin-bottom: 2.6rem; }
.stats div { display: flex; flex-direction: column; }
.stat-n {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; color: var(--sable);
}
.stat-l {
  font-family: var(--font-hud); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gris-fer); margin-top: 0.5rem; max-width: 22ch;
}
.inv-grid {
  list-style: none; display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  background: var(--gris-fer-2); border: 1px solid var(--gris-fer-2);
}
.inv-grid li { background: var(--noir-surface); padding: 1.5rem 1.3rem; }
.inv-grid h3 {
  font-family: var(--font-hud); font-size: 11px; letter-spacing: 0.14em;
  color: var(--sable); margin-bottom: 0.7rem; font-weight: 400;
}
.inv-grid p { color: var(--gris-fer); font-size: 0.9rem; }

@media (max-width: 900px) {
  .pipeline { flex-direction: column; }
  .pipe-arrow { align-self: flex-start; transform: rotate(90deg); padding: 0.2rem 0 0.2rem 1.4rem; }
  .piliers { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .piliers { grid-template-columns: 1fr; }
  .stats { gap: 1.8rem; }
}

/* ---------- menu plein écran sous 1080px ---------- */
@media (max-width: 1080px) {
  .hud-burger { display: inline-flex; }
  .hud-top { flex-direction: row; align-items: center; }
  .hud-nav {
    position: fixed; inset: 0; z-index: 60;
    flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 0.4rem; padding: 2rem 1.6rem;
    background: rgba(10, 10, 12, 0.985);
    overflow-y: auto; width: auto;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 160ms ease-out, visibility 0s linear 160ms;
  }
  .hud-nav.is-open {
    transform: none; visibility: visible;
    transition: transform 160ms ease-out, visibility 0s;
  }
  .hud-nav a {
    font-family: var(--font-display); font-weight: 700;
    font-size: clamp(1.6rem, 7vw, 2.4rem); letter-spacing: 0.02em;
    text-transform: uppercase; opacity: 1; padding: 0.35rem 0;
  }
  html.menu-open { overflow: hidden; }
}