/* Argus Forge — site de présentation, single page */

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

html, body {
  background: var(--ink-985);
  color: var(--ink-100);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-size: 16px;
  line-height: 1.65;
  font-weight: 300;
}

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

::selection { background: var(--ember-500); color: #fff; }

/* ─── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: linear-gradient(to bottom, rgba(6,9,14,0.85), rgba(6,9,14,0));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: none;
}
.nav > * { pointer-events: auto; }
.nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-100);
  text-decoration: none;
}
.nav .brand .greek {
  font-family: var(--font-serif);
  color: var(--ember-300);
  font-style: italic;
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.nav .links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.nav .links a {
  color: var(--ink-300);
  text-decoration: none;
  transition: color .15s;
  position: relative;
}
.nav .links a:hover { color: var(--ember-300); }
.nav .links a::before {
  content: counter(navnum, decimal-leading-zero);
  margin-right: 6px;
  color: var(--ink-500);
  font-size: 10px;
}
.nav .links { counter-reset: navnum; }
.nav .links a { counter-increment: navnum; }

/* ─── Hamburger toggle (BUG-002) — visible uniquement sur mobile */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink-100);
  margin: 5px auto;
  transition: transform 0.3s ease, opacity 0.2s ease, background 0.2s ease;
  transform-origin: center;
}
.nav-toggle.open .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
  background: var(--ember-400);
}
.nav-toggle.open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
  background: var(--ember-400);
}

@media (max-width: 720px) {
  .nav { padding: 14px 18px; }
  .nav-toggle { display: block; }

  /* Drawer overlay full-screen — recycle .nav .links */
  .nav .links {
    /* override de la règle ligne 57 : passe en overlay positionne */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    /* iOS Safari : 100dvh exclut la barre Safari dynamique */
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* gap reduit pour garantir que les 6 liens tiennent sur iPhone SE (667px) */
    gap: 24px;
    /* padding-top reserve la zone de la nav top bar (logo + hamburger restent au-dessus) */
    padding: 80px 24px 40px;
    /* securite : si le viewport est tres court, le contenu peut scroller */
    overflow-y: auto;
    /* fond solide : garantit l'isolation visuelle meme si backdrop-filter est ignore par Safari iOS */
    background: var(--ink-985);
    /* blur en bonus pour Chrome/Firefox — prefixe -webkit- en premier (Safari le prefere ainsi) */
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    z-index: 1000;
    /* etat ferme par defaut */
    opacity: 0;
    pointer-events: none;
    transform: scale(1.02);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .nav .links.open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }
  .nav .links a {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--ink-100);
    padding: 6px 16px;
    transition: color 0.2s ease;
  }
  .nav .links a:hover,
  .nav .links a:focus-visible {
    color: var(--ember-400);
    outline: none;
  }
  .nav .links a::before {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-500);
    margin-right: 10px;
    vertical-align: middle;
  }

  /* Lock du scroll du body quand le drawer est ouvert */
  body.nav-open {
    overflow: hidden;
  }
}

@media (min-width: 721px) {
  .nav-toggle { display: none; }
}

/* Scroll indicator */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--ember-500), var(--ember-300));
  z-index: 101;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .1s linear;
}

/* ─── HERO ─────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hero-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.hero::before {
  /* blueprint grid faint */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,37,56,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,37,56,0.5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 30%, rgba(6,9,14,0.6) 65%, var(--ink-985) 100%);
  z-index: 2;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 24px;
  pointer-events: none;
}
.hero-greek {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(13px, 1.6vw, 17px);
  color: var(--ember-300);
  letter-spacing: 0.18em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 1.4s 0.3s forwards;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 9vw, 132px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--ink-100);
  opacity: 0;
  animation: fadeUp 1.6s 0.6s forwards;
}
.hero-title .amp {
  color: var(--ember-500);
  font-style: italic;
  font-weight: 400;
  margin: 0 0.05em;
}
.hero-subhead {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 400;
  color: var(--ink-200);
  margin-top: 24px;
  letter-spacing: -0.005em;
  line-height: 1.35;
  opacity: 0;
  animation: fadeUp 1.6s 0.85s forwards;
}
.hero-subhead .accent-line {
  color: var(--ember-300);
  font-style: italic;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-top: 32px;
  opacity: 0;
  animation: fadeUp 1.6s 1.2s forwards;
}
.hero-tagline .sep { color: var(--ember-500); margin: 0 12px; }

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding: 15px 28px;
  background: var(--ember-500);
  color: var(--ink-985);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  pointer-events: auto;
  transition: background .15s, transform .15s;
  opacity: 0;
  animation: fadeUp 1.6s 1.5s forwards;
}
.hero-cta:hover { background: var(--ember-400); transform: translateY(-2px); }
.hero-cta .arrow { transition: transform .15s; }
.hero-cta:hover .arrow { transform: translateX(3px); }

.hero-scroll-cue {
  position: absolute;
  bottom: 32px;
  right: 32px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-400);
  opacity: 0;
  animation: fadeUp 2s 1.6s forwards;
}
.hero-scroll-cue .line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--ember-500));
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── SECTION SHARED ───────────────────────────────── */
.section {
  position: relative;
  padding: 140px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width: 720px) {
  .section { padding: 80px 20px; }
}
.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember-500);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-num::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--ember-500);
}
.section-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink-100);
  margin-bottom: 56px;
  max-width: 18ch;
}
.section h2 .accent {
  color: var(--ember-400);
  font-style: italic;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: .12s; }
.reveal.delay-2 { transition-delay: .24s; }
.reveal.delay-3 { transition-delay: .36s; }
.reveal.delay-4 { transition-delay: .48s; }

/* ─── SECTION 1 — LE MYTHE ─────────────────────────── */
.myth {
  position: relative;
  padding-bottom: 80px;
}
.myth-quote {
  border-left: 1px solid var(--ember-600);
  padding: 8px 0 8px 28px;
  margin: 0 0 64px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--ink-200);
  line-height: 1.5;
  max-width: 36ch;
}
.myth-quote cite {
  display: block;
  margin-top: 16px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  text-transform: uppercase;
}

.myth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 80px;
  align-items: start;
}
@media (max-width: 880px) {
  .myth-grid { grid-template-columns: 1fr; gap: 48px; }
}

.myth-text p {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-200);
  margin-bottom: 24px;
  max-width: 56ch;
  font-weight: 300;
}
.myth-text p .greek {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
}
.myth-text p .lead {
  color: var(--ink-100);
  font-weight: 400;
}

.myth-attributes {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--ink-800);
}
.myth-attr {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--ink-800);
  align-items: start;
}
.myth-attr-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ember-500);
  padding-top: 4px;
}
.myth-attr-greek {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  color: var(--ember-300);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.myth-attr-title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink-100);
  margin-bottom: 10px;
}
.myth-attr-desc {
  font-size: 14px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.6;
  max-width: 52ch;
}

/* Eye constellation */
.eye-constellation {
  position: relative;
  width: 100%;
  aspect-ratio: 1.2 / 1;
  max-width: 540px;
  margin: 0 auto;
}
.eye-constellation svg { width: 100%; height: 100%; }

/* ─── SECTION 2 — LA MÉTAMORPHOSE ───────────────────── */
.metamorph {
  position: relative;
  padding: 0;
  max-width: none;
  background: linear-gradient(to bottom, var(--ink-985) 0%, #0c0710 50%, var(--ink-985) 100%);
}
.metamorph-inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 160px 32px;
  display: grid;
  grid-template-columns: 1fr 240px 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 980px) {
  .metamorph-inner { grid-template-columns: 1fr; padding: 100px 20px; }
  .metamorph-divider { order: -1; }
}
.metamorph-divider {
  position: relative;
  height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.metamorph-divider svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.metamorph-divider .glyph-myth,
.metamorph-divider .glyph-soft {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}
.metamorph-divider .glyph-myth { top: 0; }
.metamorph-divider .glyph-soft { bottom: 0; color: var(--ember-400); }
.metamorph-divider .thread {
  stroke-dasharray: 1 6;
  animation: threadDrift 14s linear infinite;
}
@keyframes threadDrift {
  to { stroke-dashoffset: -200; }
}
.metamorph-divider .ember-dot {
  animation: emberFall 6s linear infinite;
}
.metamorph-divider .ember-dot:nth-child(2) { animation-delay: -2s; }
.metamorph-divider .ember-dot:nth-child(3) { animation-delay: -4s; }
.metamorph-divider .ember-dot:nth-child(4) { animation-delay: -1s; }
.metamorph-divider .ember-dot:nth-child(5) { animation-delay: -3.5s; }
@keyframes emberFall {
  0% { transform: translateY(-260px); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.4; }
  100% { transform: translateY(260px); opacity: 0; }
}
@media (max-width: 980px) {
  .metamorph-divider { height: 220px !important; }
}
.metamorph-side h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--ink-100);
}
.metamorph-side .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember-500);
  margin-bottom: 18px;
}
.metamorph-side p {
  font-size: 14px;
  color: var(--ink-300);
  font-weight: 300;
  margin-bottom: 14px;
  max-width: 36ch;
  line-height: 1.65;
}
.metamorph-side.right { text-align: left; }
.metamorph-side.right .label { color: var(--ember-400); }

.bridge-line-wrapper {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px 140px;
}
.bridge-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.bridge-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-800);
  font-size: 13px;
}
.bridge-row:last-child { border-bottom: 0; }
.bridge-row .l {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  text-align: right;
}
.bridge-row .arrow {
  color: var(--ember-500);
  font-family: var(--font-mono);
}
.bridge-row .r {
  font-family: var(--font-mono);
  color: var(--ink-200);
  font-size: 12px;
}

/* ─── SECTION 3 — LE PRODUIT ───────────────────────── */
.product {
  position: relative;
}

.product-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  margin-bottom: 120px;
  align-items: end;
}
@media (max-width: 880px) {
  .product-intro { grid-template-columns: 1fr; gap: 32px; }
  /* BUG-005 — En mode stack 1-col, la border-left + padding-left du product-meta
     n'a plus de regard a droite : la barre verticale apparait orpheline et le
     contenu est decale de 24px. On reset les deux. */
  .product-meta {
    border-left: 0;
    padding-left: 0;
  }
}

.product-lead {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  line-height: 1.45;
  color: var(--ink-100);
  max-width: 32ch;
}
.product-lead .accent {
  color: var(--ember-400);
  font-style: italic;
}

.product-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-400);
  border-left: 1px solid var(--ink-700);
  padding-left: 24px;
}
.product-meta div { margin-bottom: 8px; }
.product-meta .key { color: var(--ink-500); display: inline-block; width: 10ch; }
.product-meta .val { color: var(--ink-200); }

/* Architecture rings — three orbital tiers */
.arch {
  position: relative;
  margin: 80px 0 120px;
  padding: 60px 0;
}
.arch-rings {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}
.arch-rings svg { width: 100%; height: 100%; }

/* FEAT-006 — reduced-motion : on cache les particules de flux (effet le plus
   intrusif visuellement) et le SVG est par ailleurs pause via JS. */
.arch-rings.no-anim #flowParticles { display: none; }
@media (prefers-reduced-motion: reduce) {
  .arch-rings #flowParticles { display: none; }
}

.arch-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}
@media (max-width: 800px) { .arch-tiers { grid-template-columns: 1fr; } }

.tier {
  border-top: 1px solid var(--ink-700);
  padding-top: 20px;
  position: relative;
}
.tier::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 32px; height: 1px;
  background: var(--ember-500);
}
.tier-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ember-500);
  margin-bottom: 12px;
}
.tier-greek {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  font-size: 14px;
  margin-bottom: 4px;
}
.tier-name {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--ink-100);
  margin-bottom: 8px;
}
.tier-role {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember-400);
  margin-bottom: 16px;
}
.tier-desc {
  font-size: 13.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 80px 0;
  border-top: 1px solid var(--ink-800);
  border-left: 1px solid var(--ink-800);
}
@media (max-width: 720px) { .principles { grid-template-columns: 1fr; } }

.principle {
  padding: 36px 32px;
  border-right: 1px solid var(--ink-800);
  border-bottom: 1px solid var(--ink-800);
  position: relative;
  transition: background .3s;
}
.principle:hover { background: rgba(226,90,24,0.04); }
.principle .sigil {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-400);
  font-size: 30px;
  line-height: 1;
  margin-bottom: 18px;
  display: block;
}
.principle h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--ink-100);
}
.principle p {
  font-size: 13.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
  max-width: 42ch;
}

/* BYO Claude block */
.byoc {
  margin: 80px 0;
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(226,90,24,0.05), rgba(122,90,214,0.04));
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  position: relative;
  overflow: hidden;
}
.byoc::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--ember-500), transparent);
}
.byoc .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember-500);
  margin-bottom: 16px;
}
.byoc h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  margin-bottom: 18px;
  color: var(--ink-100);
  letter-spacing: -0.01em;
}
.byoc p {
  font-size: 15px;
  color: var(--ink-200);
  font-weight: 300;
  max-width: 56ch;
  line-height: 1.6;
}
.byoc p .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ember-300);
  background: rgba(226,90,24,0.08);
  padding: 1px 8px;
  border-radius: 3px;
  border: 1px solid rgba(226,90,24,0.2);
}

/* ─── SUITE — Constellation des futurs produits ─── */
.suite {
  position: relative;
  padding: 140px 32px 60px;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width: 720px) { .suite { padding: 80px 20px 40px; } }

.suite-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 880px) { .suite-head { grid-template-columns: 1fr; } }
.suite h2 { margin-bottom: 0; }
.suite-head p {
  font-size: 14.5px;
  color: var(--ink-300);
  font-weight: 300;
  max-width: 44ch;
  line-height: 1.65;
}
.suite-head p strong { color: var(--ink-100); font-weight: 500; }

.suite-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--ink-800);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-md);
  overflow: hidden;
}
@media (max-width: 1080px) { .suite-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .suite-grid { grid-template-columns: 1fr; } }

.suite-card {
  background: var(--ink-950);
  padding: 28px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  transition: background .3s;
}
.suite-card:hover { background: var(--ink-900); }
.suite-card.active {
  background: linear-gradient(180deg, rgba(226,90,24,0.06), transparent 60%), var(--ink-900);
}
.suite-card .index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-500);
}
.suite-card .glyph {
  width: 32px; height: 32px;
  color: var(--ember-300);
  opacity: 0.8;
}
.suite-card.active .glyph { color: var(--ember-400); opacity: 1; }
.suite-card h5 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-100);
  line-height: 1.25;
}
.suite-card h5 .role {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember-400);
  margin-top: 6px;
  font-style: normal;
}
.suite-card .desc {
  font-size: 12.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.55;
  margin-top: auto;
}
.suite-card .tag {
  position: absolute;
  top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 2px;
  border: 1px solid var(--ink-700);
  color: var(--ink-400);
  background: var(--ink-985);
}
.suite-card.active .tag {
  border-color: rgba(226,90,24,0.45);
  color: var(--ember-300);
  background: rgba(226,90,24,0.08);
}

/* Manifesto / closing */
.closing {
  text-align: center;
  padding: 160px 32px 120px;
  position: relative;
}
.closing-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.3;
  color: var(--ink-100);
  max-width: 22ch;
  margin: 0 auto 40px;
}
.closing-quote .accent { color: var(--ember-400); }
.closing-divider {
  width: 80px; height: 1px;
  background: var(--ember-500);
  margin: 40px auto;
}
.closing-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-400);
}

/* ─── HERO META STRIP ─────────────────────────────── */
.hero-meta {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: min(92vw, 960px);
  gap: 0;
  row-gap: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
  border-top: 1px solid var(--ink-800);
  border-bottom: 1px solid var(--ink-800);
  opacity: 0;
  animation: fadeUp 1.6s 1.4s forwards;
  white-space: normal;
}
.hero-meta span {
  padding: 8px 14px;
  border-right: 1px solid var(--ink-800);
}
.hero-meta span:last-child { border-right: 0; }
.hero-meta span:nth-child(2n) { border-right: 0; }
.hero-meta b {
  color: var(--ember-300);
  font-weight: 500;
  margin-right: 6px;
}

/* ─── PRODUIT — boucle de mission ──────────────────── */
.mission-loop {
  margin: 100px 0 80px;
}
.mission-loop .section-eyebrow { text-align: center; }
.mission-loop > h3 {
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 500;
  color: var(--ink-100);
  margin-bottom: 56px;
  max-width: 28ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.2;
}
.loop-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0;
  padding: 0 8px;
}
.loop-track::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(to right,
    transparent,
    var(--ember-600) 8%,
    var(--ember-500) 50%,
    var(--ember-600) 92%,
    transparent);
}
.loop-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 0;
}
.loop-dot {
  position: relative;
  z-index: 2;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-985);
  border: 1px solid var(--ink-600);
  margin-top: 26px;
  margin-bottom: 18px;
}
.loop-step.ck .loop-dot {
  width: 18px; height: 18px;
  margin-top: 24px;
  background: var(--ember-500);
  border-color: var(--ember-300);
  box-shadow: 0 0 0 4px rgba(226,90,24,0.12);
}
.loop-step.ck .loop-dot::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--ink-985);
}
.loop-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 6px;
}
.loop-step.ck .loop-label { color: var(--ember-400); font-weight: 500; }
.loop-name {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-200);
  line-height: 1.3;
  max-width: 14ch;
  font-style: italic;
}
.loop-step.ck .loop-name { color: var(--ink-100); font-style: normal; }
@media (max-width: 980px) {
  .loop-track { grid-template-columns: 1fr; gap: 16px; }
  .loop-track::before { display: none; }
  .loop-step { flex-direction: row; align-items: center; text-align: left; gap: 16px; }
  .loop-dot { margin: 0; }
  .loop-label, .loop-name { max-width: none; margin: 0; }
}

/* ─── PRODUIT — transverses ───────────────────────── */
.transverses {
  margin: 100px 0;
}
.transverses-head {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  margin-bottom: 48px;
  align-items: end;
}
@media (max-width: 800px) { .transverses-head { grid-template-columns: 1fr; gap: 24px; } }
.transverses-head h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  color: var(--ink-100);
  letter-spacing: -0.01em;
  line-height: 1.15;
  max-width: 18ch;
}
.transverses-head h3 .accent { color: var(--ember-400); font-style: italic; }
.transverses-head p {
  font-size: 14px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
  max-width: 52ch;
}
.transverses-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--ink-800);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-md);
  overflow: hidden;
}
@media (max-width: 1100px) { .transverses-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .transverses-grid { grid-template-columns: 1fr; } }
.transverse {
  background: var(--ink-950);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
}
.transverse:hover { background: var(--ink-900); }
.transverse .glyph {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-400);
  font-size: 22px;
  line-height: 1;
  margin-bottom: 6px;
}
.transverse .name {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--ink-100);
  font-weight: 500;
}
.transverse .role {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember-300);
}
.transverse .desc {
  font-size: 12.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.55;
  margin-top: auto;
}

/* ─── VAULT A/B ─────────────────────────────────── */
.vaults {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin: 80px 0;
}
@media (max-width: 800px) { .vaults { grid-template-columns: 1fr; } }
.vault {
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  padding: 32px 28px;
  background: var(--ink-950);
  position: relative;
  overflow: hidden;
}
.vault::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--ember-500), transparent);
}
.vault .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember-500);
  margin-bottom: 10px;
}
.vault h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-100);
  margin-bottom: 12px;
}
.vault h4 em {
  font-style: italic;
  font-weight: 400;
  color: var(--ember-300);
}
.vault p {
  font-size: 13.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: 16px;
}
.vault-tagline {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-800);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ember-300);
  letter-spacing: 0.01em;
}

/* ─── MÉCANIQUE (sous le capot) ─────────────────── */
.mecanique {
  background: linear-gradient(to bottom, var(--ink-985), #08070b 50%, var(--ink-985));
  padding: 0;
  max-width: none;
  position: relative;
}
.mecanique-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 140px 32px;
}
@media (max-width: 720px) { .mecanique-inner { padding: 80px 20px; } }

.split-rule {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin: 64px 0 80px;
  align-items: stretch;
}
@media (max-width: 800px) { .split-rule { grid-template-columns: 1fr; } }
.split-rule .col {
  padding: 32px 28px;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  background: rgba(8,7,11,0.6);
}
.split-rule .col .head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}
.split-rule .col .head .sigil {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 26px;
  color: var(--ember-400);
}
.split-rule .col .head h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-100);
}
.split-rule .col .head .kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-400);
  padding: 3px 8px;
  border: 1px solid var(--ink-700);
  border-radius: 2px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.split-rule .col p {
  font-size: 13.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: 16px;
}
.split-rule .col ul {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-300);
}
.split-rule .col ul li {
  padding: 5px 0;
  border-bottom: 1px dashed var(--ink-800);
  display: flex;
  gap: 10px;
}
.split-rule .col ul li:last-child { border-bottom: 0; }
.split-rule .col ul li::before {
  content: '▸';
  color: var(--ember-500);
  font-size: 9px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink-800);
  border-bottom: 1px solid var(--ink-800);
  margin: 64px 0;
}
@media (max-width: 800px) { .metric-row { grid-template-columns: repeat(2, 1fr); } }
.metric {
  padding: 28px 24px;
  border-right: 1px solid var(--ink-800);
}
.metric:last-child { border-right: 0; }
.metric .val {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 38px;
  font-weight: 500;
  color: var(--ember-400);
  line-height: 1;
  margin-bottom: 6px;
}
.metric .key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
  line-height: 1.4;
}

/* Securite block */
.security {
  margin-top: 80px;
}
.security h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  color: var(--ink-100);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  max-width: 22ch;
}
.security h3 .accent { color: var(--ember-400); font-style: italic; }
.security > p.lead {
  font-size: 15px;
  color: var(--ink-300);
  font-weight: 300;
  max-width: 56ch;
  margin-bottom: 40px;
  line-height: 1.65;
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-800);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-md);
  overflow: hidden;
}
@media (max-width: 880px) { .security-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .security-grid { grid-template-columns: 1fr; } }
.security-item {
  background: var(--ink-950);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}
.security-item .num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ember-500);
}
.security-item h5 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-100);
  line-height: 1.3;
}
.security-item p {
  font-size: 12.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.6;
}
.security-item .mono {
  font-family: var(--font-mono);
  color: var(--ember-300);
  font-size: 11px;
}

/* ─── POUR QUI ──────────────────────────────────── */
.audiences {
  padding: 140px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width: 720px) { .audiences { padding: 80px 20px; } }
.audiences h2 { margin-bottom: 48px; }
.audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 16px;
}
@media (max-width: 880px) { .audiences-grid { grid-template-columns: 1fr; } }
.audience {
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  padding: 32px 28px;
  background: var(--ink-950);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.audience::before {
  content: '';
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 1px;
  background: var(--ember-500);
}
.audience .num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ember-500);
}
.audience .greek {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  font-size: 14px;
  letter-spacing: 0.04em;
}
.audience h4 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--ink-100);
  line-height: 1.2;
}
.audience .pitch {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ember-300);
  font-size: 14.5px;
  line-height: 1.5;
}
.audience p {
  font-size: 13.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.65;
}
.audience ul {
  list-style: none;
  margin-top: 8px;
}
.audience ul li {
  font-size: 12.5px;
  color: var(--ink-200);
  padding: 6px 0;
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--ink-800);
}
.audience ul li::before {
  content: '◆';
  color: var(--ember-500);
  font-size: 8px;
  margin-top: 5px;
}

/* ─── SIGNAL — bientôt + capture email ──────────── */
.signal {
  position: relative;
  padding: 140px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width: 720px) { .signal { padding: 80px 20px; } }
.signal-inner {
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  padding: 64px 48px;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(226,90,24,0.12), transparent 50%),
    linear-gradient(180deg, rgba(226,90,24,0.04), transparent 60%),
    var(--ink-950);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 880px) { .signal-inner { grid-template-columns: 1fr; padding: 40px 28px; gap: 32px; } }
.signal-inner::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--ember-500), transparent 70%);
}
.signal .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember-500);
  margin-bottom: 16px;
}
.signal h3 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  color: var(--ink-100);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.signal h3 .accent { color: var(--ember-400); font-style: italic; }
.signal .lead {
  font-size: 14.5px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.6;
  max-width: 42ch;
  margin-bottom: 0;
}
.signal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.signal-form .row {
  display: flex;
  gap: 0;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-985);
}
.signal-form input[type="email"] {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 14px 18px;
  color: var(--ink-100);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.signal-form input::placeholder { color: var(--ink-500); }
.signal-form button {
  background: var(--ember-500);
  color: var(--ink-985);
  border: 0;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.signal-form button:hover { background: var(--ember-400); }
.signal-form .legal {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.signal-form .legal a { color: var(--ember-300); text-decoration: none; }
.signal-form .ok {
  display: none;
  padding: 14px 18px;
  border: 1px solid var(--ember-600);
  border-radius: var(--r-sm);
  background: rgba(226,90,24,0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ember-300);
  letter-spacing: 0.04em;
}
.signal-form.sent .row,
.signal-form.sent .legal { display: none; }
.signal-form.sent .ok { display: block; }

/* renumber nav with 6 items */

/* Footer */
.footer {
  border-top: 1px solid var(--ink-800);
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-500);
  letter-spacing: 0.06em;
}
.footer .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-300);
}
@media (max-width: 600px) {
  .footer { flex-direction: column; gap: 12px; text-align: center; }
}

/* ─── Souffle de l'atelier ───────────────────────────────────────────
   Fenêtre poétique : logs mythifiés défilant en boucle CSS pure.
   Pause via classe .paused (toggle JS sur viewport + visibilité onglet). */
.souffle {
  padding: 140px 32px;
  background: var(--ink-985);
  border-top: 1px solid var(--ink-800);
  border-bottom: 1px solid var(--ink-800);
}
.souffle .section-num {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-400);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.souffle h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  color: var(--ink-100);
  max-width: 24ch;
  margin: 0 auto 24px;
  text-align: center;
  line-height: 1.15;
}
.souffle h2 .accent {
  color: var(--ember-400);
  font-style: italic;
}
.souffle-lead {
  font-size: 15px;
  color: var(--ink-300);
  font-weight: 300;
  line-height: 1.7;
  max-width: 60ch;
  margin: 0 auto 56px;
  text-align: center;
}
.souffle-window {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  height: 360px;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  background:
    radial-gradient(ellipse at 50% 100%, rgba(226,90,24,0.05), transparent 60%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-985) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 4px 24px rgba(0,0,0,0.4);
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 10%, #000 90%, transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0, #000 10%, #000 90%, transparent 100%);
}
.souffle-rail {
  padding: 16px 0;
  animation: souffle-scroll 60s linear infinite;
  will-change: transform;
}
@keyframes souffle-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(0, -50%, 0); }
}
.souffle-rail .log {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--ink-300);
  margin: 0;
  padding: 0 28px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.souffle-rail .ts { color: var(--ink-500); }
.souffle-rail .agent {
  color: var(--ember-300);
  font-weight: 500;
}
.souffle-rail .agent.supervisor { color: var(--ember-400); }
.souffle-rail .arrow {
  color: var(--ink-500);
  margin: 0 4px;
}
.souffle-rail .mono { color: var(--ember-200); }

.souffle-cursor {
  position: absolute;
  left: 28px;
  bottom: 18px;
  width: 7px;
  height: 13px;
  background: var(--ember-400);
  opacity: 0.7;
  animation: souffle-blink 1.1s steps(2) infinite;
  pointer-events: none;
}
@keyframes souffle-blink {
  0%, 50%      { opacity: 0.7; }
  50.01%, 100% { opacity: 0;   }
}

/* Pause pilotée par JS (hors viewport ou onglet caché) */
.souffle-window.paused .souffle-rail,
.souffle-window.paused .souffle-cursor {
  animation-play-state: paused;
}

/* Reduced motion : pas d'animation, on garde une fenêtre lisible
   avec les premières lignes statiques (overflow:hidden coupe le reste). */
@media (prefers-reduced-motion: reduce) {
  .souffle-rail {
    animation: none;
    transform: none;
  }
  .souffle-cursor {
    animation: none;
    opacity: 0.7;
  }
}

@media (max-width: 720px) {
  .souffle { padding: 80px 16px; }
  .souffle-window { height: 280px; }
  .souffle-rail .log {
    font-size: 11px;
    padding: 0 18px;
    line-height: 2;
  }
  .souffle-cursor { left: 18px; bottom: 14px; }
}

/* ─── MOBILE RESPONSIVE (IMP-008) ───────────────────────────────────
   Breakpoints additionnels pour les sections qui debordaient sur 375-480px.
   Les media queries existantes plus haut couvrent deja la plupart des
   transitions tablet (720-880px). On ajoute ici la passe small-phone. */

/* ─── NAV — brand greek prend trop de place sur petit ecran */
@media (max-width: 480px) {
  .nav { padding: 12px 14px; }
  .nav .brand { font-size: 12px; gap: 8px; }
  .nav .brand .greek { display: none; }
}
.nav .brand { min-width: 0; }

/* ─── HERO — meta strip en 2x2 sur mobile (IMP-008) avec centrage auto-margin
   (BUG-005 : left:50%+translateX(-50%) decalait le grid 2x2 sur 390px). */
@media (max-width: 780px) {
  .hero-meta {
    /* positionnement */
    left: 0;
    right: 0;
    transform: none;
    margin-left: auto;
    margin-right: auto;
    bottom: 40px;
    /* cosmetique */
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    max-width: min(92vw, 460px);
    /* contenu */
    white-space: normal;
    font-size: 9.5px;
    letter-spacing: 0.12em;
  }
  .hero-meta span {
    padding: 8px 10px;
    border-right: 1px solid var(--ink-800);
    border-bottom: 1px solid var(--ink-800);
    text-align: center;
  }
  .hero-meta span:nth-child(2n) { border-right: 0; }
  .hero-meta span:nth-child(3),
  .hero-meta span:nth-child(4) { border-bottom: 0; }
}
@media (max-width: 480px) {
  .hero-meta { font-size: 9px; bottom: 24px; max-width: 92vw; }
  .hero-meta span { padding: 7px 8px; }
  .hero-content { padding: 0 18px; }
  .hero-cta { margin-top: 26px; padding: 13px 22px; font-size: 11px; }
  .hero-greek { margin-bottom: 18px; letter-spacing: 0.14em; }
  .hero-subhead { margin-top: 18px; }
  .hero-tagline { margin-top: 22px; }
}

/* ─── SECTION — padding compresse sur tres petit ecran */
@media (max-width: 480px) {
  .section { padding: 64px 16px; }
  .mecanique-inner { padding: 64px 16px; }
  .suite { padding: 64px 16px 32px; }
  .audiences { padding: 64px 16px; }
  .signal { padding: 64px 16px; }
  .closing { padding: 100px 16px 80px; }
}

/* ─── BRIDGE LINE (Metamorphose) — stack sur mobile.
   La grille 1fr auto 1fr ecrasait le texte sur < 600px. */
@media (max-width: 600px) {
  .bridge-line { gap: 8px; }
  .bridge-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 0;
    text-align: left;
  }
  .bridge-row .l { text-align: left; font-size: 14px; }
  .bridge-row .arrow { display: none; }
  .bridge-row .r {
    font-size: 12px;
    padding-left: 14px;
    border-left: 1px solid var(--ember-700);
  }
}
@media (max-width: 600px) {
  .bridge-line-wrapper { padding: 0 16px 80px; }
}

/* ─── METAMORPHOSE — pile et compresse en plus petit */
@media (max-width: 480px) {
  .metamorph-inner { padding: 64px 16px; gap: 32px; }
  .metamorph-side h3 { font-size: 20px; }
  .metamorph-divider { height: 200px !important; }
  .metamorph-divider .glyph-myth,
  .metamorph-divider .glyph-soft { font-size: 11px; }
}

/* BUG-004 — sur 1-col stack (≤980px), le divider vertical (200x540 + glyphes
   top/bottom + embers tombant verticalement) perd son sens : il n'y a plus de
   "pont entre deux colonnes". La metaphore mythe → forge est portee par
   l'enchainement du stack. On cache au meme breakpoint que le passage 1-col. */
@media (max-width: 980px) {
  .metamorph-divider { display: none; }
}

/* ─── MYTH — compression sur petit */
@media (max-width: 480px) {
  .myth-grid { gap: 36px; margin-top: 56px; }
  .myth-quote { padding: 6px 0 6px 20px; margin: 0 0 48px; max-width: none; }
  .myth-attributes { margin-top: 56px !important; }
  .myth-attr { grid-template-columns: 56px 1fr; gap: 16px; padding: 22px 0; }
  .myth-attr-title { font-size: 18px; }
  .myth-attr-greek { font-size: 18px; }
  .myth-attr-desc { font-size: 13.5px; }
  .eye-constellation { max-width: 340px; }
}

/* ─── PRODUIT — architecture rings : texte SVG plus lisible sur mobile.
   En viewBox 720, font-size: 10 donne ~5px a 375px d'ecran. On override en CSS. */
@media (max-width: 720px) {
  .arch { margin: 60px 0 80px; padding: 30px 0; }
  .arch-tiers { gap: 28px; margin-top: 40px; }
  .arch-rings svg text { font-size: 16px; }
}
@media (max-width: 480px) {
  .arch-rings svg text { font-size: 22px; }
}

/* BUG-004 — arch-rings : nodes et particules trop petits sur mobile.
   A 375px d'ecran : ratio user-units → px reel ≈ 0.46. Donc r=5 → 2.3px (workers),
   r=8 → 3.7px (supervisors), r=3.5 → 1.6px (particules). On agrandit via CSS r.
   CSS `r` est supporte Safari ≥ 14.1 / Chrome ≥ 81 / Firefox ≥ 89.
   Aucun <animate attributeName="r"> dans le SVG → pas de conflit. */
@media (max-width: 720px) {
  .arch-rings #supervisorNodes circle { r: 13; }
  .arch-rings #workerNodes circle { r: 9; }
  .arch-rings #flowParticles circle[fill="#F2783A"] { r: 6; }
  .arch-rings #flowParticles circle[fill="#D49A55"] { r: 4.5; }
  .arch-rings .ceo-core { r: 20; }
  .arch-rings .ceo-highlight { r: 9; }
  /* Connexions Sup→Workers : a peine visibles a 0.6/0.5 sur mobile.
     On epaissit legerement pour materialiser l'attitrage. */
  .arch-rings #supWorkerLines { stroke-width: 1.2; opacity: 0.65; }
}
@media (max-width: 480px) {
  .arch-rings #supervisorNodes circle { r: 16; }
  .arch-rings #workerNodes circle { r: 11; }
  .arch-rings #flowParticles circle[fill="#F2783A"] { r: 7.5; }
  .arch-rings #flowParticles circle[fill="#D49A55"] { r: 5.5; }
  .arch-rings .ceo-core { r: 24; }
  .arch-rings .ceo-highlight { r: 11; }
}

/* BUG-005 — arch-rings labels sur tres petit ecran :
   - WORKERS · ATELIER PARALLELE (y=80) et SUPERVISORS PAR DOMAINE (y=225) chevauchent
     les nodes agrandis (r=16/11 a ≤480px, font-size 22). On les cache : la lecture
     reste claire via les anneaux + les 4 labels de domaine (backend/frontend/data/qa).
   - qa · security (x=112, text-anchor=middle) : avec font fallback large, le texte
     peut depasser a gauche du viewBox (clipping de "qa "). On bascule en ancrage
     start a x=10 pour garantir l'integrite du label. */
@media (max-width: 480px) {
  .arch-rings text[data-label="workers"],
  .arch-rings text[data-label="supervisors"] {
    display: none;
  }
  .arch-rings text[data-label="qa"] {
    text-anchor: start;
    x: 10;
  }
}

/* ─── PRODUIT — BYO Claude block : padding interne compresse */
@media (max-width: 600px) {
  .byoc { padding: 36px 24px; margin: 56px 0; }
  .byoc h3 { font-size: clamp(22px, 6vw, 28px); }
}

/* ─── VAULT — padding compresse */
@media (max-width: 480px) {
  .vault { padding: 24px 20px; }
  .vault h4 { font-size: 20px; }
  .vaults { gap: 20px; margin: 56px 0; }
}

/* ─── MECANIQUE split-rule : padding compresse sur petit */
@media (max-width: 480px) {
  .split-rule { gap: 24px; margin: 48px 0 56px; }
  .split-rule .col { padding: 24px 20px; }
  .split-rule .col .head h4 { font-size: 18px; }
  .metric { padding: 22px 16px; }
  .metric .val { font-size: 30px; }
}

/* ─── MECANIQUE security-grid : padding interne */
@media (max-width: 480px) {
  .security-item { padding: 22px 18px; min-height: auto; }
  .security h3 { font-size: clamp(22px, 6vw, 28px); }
}

/* ─── AUDIENCES : padding compresse */
@media (max-width: 480px) {
  .audience { padding: 26px 20px; }
  .audience h4 { font-size: 19px; }
  .audiences-grid { gap: 20px; }
}

/* ─── SUITE : cartes compactes */
@media (max-width: 480px) {
  .suite-card { padding: 24px 18px; min-height: 200px; }
  .suite-card h5 { font-size: 17px; }
  .suite-grid { background: transparent; border: 0; border-radius: 0; }
}

/* ─── TRANSVERSES : cartes compactes */
@media (max-width: 480px) {
  .transverse { padding: 24px 18px; min-height: auto; }
  .transverses-grid { background: transparent; border: 0; border-radius: 0; gap: 8px; }
  .transverse { border: 1px solid var(--ink-700); border-radius: var(--r-sm); }
}

/* ─── SIGNAL : padding interne + form en colonne sur petit */
@media (max-width: 480px) {
  .signal-inner { padding: 36px 22px; gap: 28px; }
  .signal h3 { font-size: clamp(22px, 7vw, 28px); }
  .signal-form .row {
    flex-direction: column;
    border: 0;
    background: transparent;
    overflow: visible;
    gap: 10px;
  }
  .signal-form input[type="email"] {
    border: 1px solid var(--ink-700);
    border-radius: var(--r-sm);
    background: var(--ink-985);
    width: 100%;
  }
  .signal-form button {
    border-radius: var(--r-sm);
    padding: 14px 22px;
    width: 100%;
    min-height: 44px;
  }
}

/* ─── CLOSING : taille compressee */
@media (max-width: 480px) {
  .closing-quote { font-size: clamp(22px, 7vw, 30px); }
  .closing-divider { margin: 28px auto; }
}

/* ─── TAP TARGETS — minimum 44px sur mobile (a11y / iOS HIG) */
@media (max-width: 720px) {
  .signal-form button { min-height: 44px; }
  .footer .brand,
  .footer a { padding: 4px 0; }
  .signal-form .profile-grid label { min-height: 56px; }
}

/* ─── DURABILITE — Ce qui dure (Chapitre IV·ter) ─── */
.durabilite {
  padding: 140px 32px;
  background: var(--ink-985);
  border-top: 1px solid var(--ink-800);
  border-bottom: 1px solid var(--ink-800);
}
.durabilite .section-num {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 24px;
  display: block;
}
.durabilite .section-num::before { content: none; }
.durabilite h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 500;
  color: var(--ink-100);
  max-width: 22ch;
  margin: 0 auto 56px;
  text-align: center;
  line-height: 1.15;
}
.durabilite h2 .accent {
  color: var(--ember-400);
  font-style: italic;
}
.durabilite-body {
  max-width: 60ch;
  margin: 0 auto;
  font-family: var(--font-sans);
  font-size: 15.5px;
  color: var(--ink-200);
  line-height: 1.75;
  font-weight: 300;
}
.durabilite-body p { margin: 0 0 24px; }
.durabilite-body p:last-child { margin-bottom: 0; }
.durabilite-body strong { color: var(--ink-100); font-weight: 500; }
.durabilite-body em { font-style: italic; color: var(--ember-300); }
.durabilite-body .lead { color: var(--ink-100); font-size: 16.5px; }

.durabilite-doctrine {
  max-width: 56ch;
  margin: 64px auto;
  padding: 32px 40px;
  border-top: 1px solid var(--ember-700);
  border-bottom: 1px solid var(--ember-700);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--ember-300);
  text-align: center;
  line-height: 1.5;
}

.durabilite-closing {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--ember-400);
  text-align: center;
  max-width: 50ch;
  margin: 80px auto 0;
  line-height: 1.4;
}

@media (max-width: 720px) {
  .durabilite { padding: 80px 16px; }
  .durabilite h2 { margin-bottom: 40px; }
  .durabilite-doctrine { padding: 24px 20px; margin: 48px auto; font-size: 17px; }
  .durabilite-closing { margin-top: 56px; }
}
@media (max-width: 480px) {
  .durabilite-body { font-size: 14.5px; }
  .durabilite-body .lead { font-size: 15.5px; }
}