/* ============================================================
   Armance — armance.io
   Editorial / manuscript register. Papier ivoire le jour,
   encre nocturne la nuit. NRF × Apothéoz, mesuré.
   ============================================================ */

:root {
  /* Type */
  --ff-serif: "Instrument Serif", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --ff-sans:  "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --ff-mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Palette — Papier (light) */
  --paper:        oklch(0.965 0.012 82);
  --paper-deep:   oklch(0.945 0.018 78);
  --paper-card:   oklch(0.985 0.008 85);
  --paper-edge:   oklch(0.90 0.014 78);
  --ink:          oklch(0.18 0.012 70);
  --ink-soft:     oklch(0.32 0.012 70);
  --ink-faint:    oklch(0.50 0.010 70);
  --rule:         oklch(0.78 0.010 78);
  --rule-soft:    oklch(0.88 0.008 78);
  --accent:       #6b4f8a;
  --accent-soft:  #b7a4c9;
  --accent-deep:  #4a3666;

  /* Rhythm */
  --unit: 14px;
  --gutter: 28px;
  --section: 56px;
  --wrap: 1120px;
  --wrap-narrow: 680px;
  --measure: 62ch;

  /* Effects */
  --shadow-lift: 0 24px 60px -32px rgba(40,30,15,0.28), 0 4px 14px -10px rgba(40,30,15,0.18);
  --shadow-soft: 0 8px 24px -16px rgba(40,30,15,0.22);
  --tape-tan: oklch(0.86 0.06 78);
}

:root[data-theme="dark"] {
  --paper:        oklch(0.18 0.010 70);
  --paper-deep:   oklch(0.14 0.010 70);
  --paper-card:   oklch(0.22 0.010 70);
  --paper-edge:   oklch(0.30 0.012 70);
  --ink:          oklch(0.94 0.010 82);
  --ink-soft:     oklch(0.78 0.010 82);
  --ink-faint:    oklch(0.58 0.008 82);
  --rule:         oklch(0.36 0.012 78);
  --rule-soft:    oklch(0.28 0.010 78);
  --accent:       #b7a4c9;
  --accent-soft:  #6b4f8a;
  --accent-deep:  #d6c8ad;
  --tape-tan:     oklch(0.42 0.06 78);
}

/* ============================================================ RESET */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "kern", "liga", "calt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Language Dropdown Selector */
.lang-dropdown {
  position: relative;
  display: inline-block;
}
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 130px;
  background: var(--paper-card);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  padding: 6px 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
}
.lang-dropdown:focus-within .lang-menu,
.lang-menu.open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.lang-option {
  width: 100%;
  padding: 8px 16px;
  font-family: var(--ff-sans);
  font-size: 13px;
  text-align: left;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.lang-option:hover {
  background: var(--paper-deep);
  color: var(--ink);
}
.lang-option.active {
  color: var(--accent);
  font-weight: 500;
}
.lang-option.active::after {
  content: "✓";
  font-family: var(--ff-sans);
  font-size: 11px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 16px; top: 16px; }

/* ============================================================ NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule-soft);
}
.nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex; align-items: center; gap: 24px;
}
.brand { display: inline-flex; align-items: baseline; gap: 8px; }
.brand-name {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 24px;
  letter-spacing: 0.005em;
  color: var(--accent);
}
.brand-sep { color: var(--ink-faint); }
.brand-domain {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.nav-links {
  margin-left: auto;
  display: flex; gap: 28px; align-items: center;
}
.nav-links a {
  font-family: var(--ff-sans);
  font-size: 14px;
  color: var(--ink-soft);
  display: inline-flex; align-items: baseline; gap: 8px;
  transition: color .2s ease;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--rule); }
.nav-links .numeral {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-faint);
}

.nav-controls { display: flex; gap: 6px; }
.ctl {
  width: 36px; height: 36px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--ff-mono); font-size: 12px;
  color: var(--ink-soft);
  border: 1px solid var(--rule-soft);
  transition: all .2s ease;
}
.ctl:hover { color: var(--ink); border-color: var(--rule); background: var(--paper-card); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ============================================================ HERO */
.hero {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 64px) var(--gutter) clamp(64px, 10vw, 120px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 32px;
}
.eyebrow .rule { display: inline-block; width: 38px; height: 1px; background: var(--ink-faint); }

.display {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  margin: 0 0 36px;
  color: var(--accent-deep);
}
.display em { font-style: italic; color: var(--ink-soft); }
.display-em {
  font-style: italic;
  color: var(--accent);
  display: inline-block;
  margin-top: 0.06em;
}

.lede {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 36ch;
  margin: 0 0 40px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--ff-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { background: var(--paper-card); border-color: var(--ink-soft); }
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.hero-meta {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}
.hero-eco {
  margin: 14px 0 0;
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink-soft);
  max-width: 42ch;
  padding-left: 12px;
  border-left: 2px solid var(--accent);
}
.hero-eco .eco-mark { font-style: normal; flex-shrink: 0; }

/* Portrait */
.hero-portrait {
  margin: 0;
  position: relative;
}
.portrait-frame {
  position: relative;
  background: var(--paper-card);
  padding: 14px 14px 18px;
  box-shadow: var(--shadow-lift);
  transform: rotate(-1.2deg);
  border: 1px solid var(--paper-edge);
}
.portrait-frame::after {
  content: "";
  position: absolute; inset: 4px;
  border: 1px solid var(--rule-soft);
  pointer-events: none;
}
.portrait-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: contrast(1.02) saturate(0.95);
}
.portrait-tape {
  position: absolute;
  top: -14px; left: 50%;
  width: 80px; height: 22px;
  background: var(--tape-tan);
  opacity: 0.55;
  transform: translateX(-50%) rotate(-4deg);
  box-shadow: 0 2px 6px -3px rgba(0,0,0,0.25);
}
.hero-portrait figcaption {
  margin-top: 20px;
  text-align: center;
  display: flex; flex-direction: column; gap: 4px;
}
.caption-name {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 22px;
  color: var(--ink);
}
.caption-role {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero-scroll {
  margin: clamp(40px, 6vw, 64px) auto 0;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.scroll-line { width: 1px; height: 48px; background: var(--ink-faint); }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; max-width: 320px; margin: 0 auto; }
  .display { font-size: clamp(42px, 11vw, 64px); }
}

/* ============================================================ CHAPTERS */
.chapter {
  padding: clamp(80px, 12vw, 140px) var(--gutter);
  border-top: 1px solid var(--rule-soft);
}
.chapter-dark {
  background: var(--paper-deep);
}

.chapter-head {
  max-width: var(--wrap-narrow);
  margin: 0 auto clamp(48px, 6vw, 80px);
  text-align: center;
}
.chapter-numeral {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-faint);
  letter-spacing: 0.10em;
  margin: 0 0 16px;
}
.chapter-title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
}
.chapter-fleuron {
  font-size: 20px;
  color: var(--accent);
  margin: 0 0 16px;
}
.chapter-kicker {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 20px;
  color: var(--ink-soft);
  margin: 0;
}

/* Prose */
.prose {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.prose p { margin: 0 0 26px; max-width: var(--measure); }
.prose p.lead { font-size: 19.5px; }
.prose em { color: var(--ink); font-style: italic; }
.prose code {
  font-family: var(--ff-mono);
  font-size: 0.86em;
  background: var(--paper-card);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--rule-soft);
  color: var(--ink);
}

.dropcap {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 4.2em;
  line-height: 0.92;
  float: left;
  padding: 6px 12px 0 0;
  color: var(--ink);
}

.pull {
  margin: 40px auto;
  padding: 24px 0 24px 28px;
  border-left: 2px solid var(--accent);
  max-width: var(--measure);
}
.pull p {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}

/* ============================================================ STAFF (Chapter II) — FEATURED + GRID */
.staff-roster {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 var(--gutter) 48px;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.5vw, 32px);
}

.staff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
}

@media (max-width: 600px) {
  .staff-grid { grid-template-columns: 1fr; }
}

.staff-card {
  background: var(--paper-card);
  border: 1px solid var(--rule-soft);
  padding: 28px 24px 26px;
  border-radius: 2px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.staff-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--rule);
}
.staff-portrait {
  width: 88px; height: 88px;
  border-radius: 999px;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
  transition: transform .3s ease;
}
.staff-card:hover .staff-portrait { transform: rotate(2deg) translateY(-3px); }
.staff-portrait img { width: 100%; height: 100%; object-fit: cover; }
.staff-portrait-placeholder {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 36px;
  color: var(--ink-faint);
  background:
    repeating-linear-gradient(
      45deg,
      var(--paper-card) 0 8px,
      var(--paper-deep) 8px 9px
    );
}
.staff-name {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.005em;
  margin: 0 0 4px;
  text-align: center;
  color: var(--ink);
}
.staff-tag {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: center;
  margin: 0 0 16px;
}
.staff-voice {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  text-align: left;
}


/* ============================================================ METHOD (Chapter III) */
.method-flow {
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
.step {
  padding: 36px 28px;
  border-right: 1px solid var(--rule-soft);
  position: relative;
}
.step:last-child { border-right: 0; }
.step-num {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 28px;
  color: var(--accent);
  margin: 0 0 12px;
}
.step-title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.25;
  margin: 0 0 14px;
  color: var(--ink);
}
.step-text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
@media (max-width: 880px) {
  .method-flow { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--rule-soft); }
  .step:last-child { border-bottom: 0; }
}

.method-tech {
  max-width: var(--wrap-narrow);
  margin: clamp(56px, 8vw, 80px) auto 0;
  text-align: center;
}
.tech-eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 16px;
  display: inline-flex; align-items: center; gap: 12px;
}
.tech-eyebrow::before, .tech-eyebrow::after {
  content: ""; width: 24px; height: 1px; background: var(--ink-faint);
}
.tech-line {
  font-family: var(--ff-serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 28px;
}
.tech-line em { color: var(--ink); font-style: italic; }
.tech-pills {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin: 0;
}
.pill {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  background: var(--paper-card);
}

/* ============================================================ ATELIER (Chapter IV) */
.plates {
  max-width: var(--wrap);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(24px, 3vw, 40px);
}
.plate { margin: 0; }
.plate-frame {
  background: var(--paper-card);
  padding: 12px 12px 16px;
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-soft);
  transition: transform .35s ease, box-shadow .35s ease;
}
.plate-frame:hover {
  transform: rotate(0) translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.plate-frame img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  object-position: top left;
  background: var(--ink);
  border: 1px solid var(--rule-soft);
}
.plate figcaption {
  margin-top: 16px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.5;
}
.plate-num {
  display: block;
  font-family: var(--ff-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.atelier-note {
  max-width: var(--wrap-narrow);
  margin: clamp(48px, 6vw, 72px) auto 0;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-faint);
  text-align: center;
  padding: 0 var(--gutter);
}

/* ============================================================ HORIZON (Chapter V) */
.horizon-cta {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
  margin: 40px 0 32px;
}
.horizon-meta {
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}

/* ============================================================ FOOTER */
.foot {
  border-top: 1px solid var(--rule-soft);
  padding: 56px var(--gutter);
  background: var(--paper-deep);
}
.foot-inner {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  text-align: center;
  display: flex; flex-direction: column; gap: 12px;
}
.foot-mark {
  font-family: var(--ff-serif);
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0;
}
.foot-mark .brand-name { font-size: 22px; }
.foot-sep { color: var(--ink-faint); margin: 0 8px; }
.foot-fleuron {
  color: var(--accent);
  font-size: 16px;
  margin: 0;
}
.foot-line {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}

/* ============================================================ MOTION */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================ STAFF — featured (Armance) */
.staff-center {
  display: flex;
  align-items: center;
  gap: 36px;
  background: var(--paper-card);
  border: 1px solid var(--accent-soft);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow-lift);
  padding: 36px 40px;
}
.staff-center .staff-portrait {
  flex-shrink: 0;
  margin: 0;
}
.staff-portrait-lg {
  width: 120px; height: 120px;
}
.staff-center .staff-body {
  text-align: left;
}
.staff-center .staff-name {
  font-size: 36px;
  color: var(--accent);
  text-align: left;
  margin-bottom: 6px;
}
.staff-center .staff-tag {
  text-align: left;
  margin-bottom: 18px;
}
.staff-center .staff-voice {
  font-size: 18px;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .staff-center {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 28px 24px;
  }
  .staff-center .staff-name { font-size: 28px; text-align: center; width: 100%; }
  .staff-center .staff-tag { text-align: center; width: 100%; }
  .staff-center .staff-body { text-align: left; }
}

/* ============================================================ PACT (Interlude) */
.chapter-pact { background: var(--paper-card); }
.pact-grid {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.5vw, 32px);
  padding: 0 var(--gutter);
}
.pact-card {
  background: var(--paper);
  border: 1px solid var(--rule-soft);
  padding: 36px 32px;
  position: relative;
  border-radius: 2px;
}
.pact-accept { border-top: 2px solid hsl(120, 15%, 50%); }
.pact-decline { border-top: 2px solid hsl(0, 30%, 58%); }
.pact-eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-soft);
}
.pact-accept .pact-eyebrow { color: hsl(120, 15%, 42%); }
.pact-decline .pact-eyebrow { color: hsl(0, 30%, 52%); }
.pact-title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.15;
  margin: 0 0 24px;
  color: var(--ink);
}
.pact-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.pact-list li {
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.pact-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 8px; height: 1px;
}
.pact-accept .pact-list li::before { background: hsl(120, 15%, 50%); }
.pact-decline .pact-list li::before { background: hsl(0, 30%, 58%); }
.pact-list em { font-style: italic; color: var(--ink); }

@media (max-width: 720px) {
  .pact-grid { grid-template-columns: 1fr; }
}

/* ============================================================ SCENES (Chapter V) */
.scenes-grid {
  max-width: var(--wrap);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(24px, 3vw, 40px);
  padding: 0 var(--gutter);
}
.scene {
  background: var(--paper-card);
  border: 1px solid var(--rule-soft);
  padding: 32px 28px;
  border-radius: 2px;
  border-top: 2px solid var(--accent);
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.scene:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.scene-eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-soft);
}
.scene-title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.15;
  margin: 0 0 18px;
  color: var(--ink);
}
.scene-text {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}
.scene-text em { color: var(--ink); font-style: italic; }

.scenes-coda {
  max-width: var(--wrap-narrow);
  margin: clamp(48px, 6vw, 72px) auto 0;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink);
  text-align: center;
  padding: 0 var(--gutter);
}
.scenes-coda em { color: var(--accent); font-style: italic; }

/* ============================================================ DEMO PAIR (Atelier — videos) */
.demo-pair {
  max-width: var(--wrap);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 40px);
}
@media (max-width: 760px) {
  .demo-pair { grid-template-columns: 1fr; }
}
.demo { margin: 0; }
.demo-eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  border-radius: 2px;
}
.video-embed iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.video-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px;
  background:
    repeating-linear-gradient(
      45deg,
      oklch(0.24 0.010 70) 0 10px,
      oklch(0.20 0.010 70) 10px 11px
    );
  color: var(--paper);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.video-play {
  width: 56px; height: 56px;
  border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  border: 1px solid var(--accent-soft);
  color: var(--accent-soft);
  background: color-mix(in oklch, var(--accent) 18%, transparent);
}
.demo figcaption {
  margin-top: 16px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Plate side-label (Web / Terminal) */
.plate-side {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}
.plate:nth-child(1) .plate-frame { transform: rotate(-0.6deg); }
.plate:nth-child(2) .plate-frame { transform: rotate(0.4deg); }
.plate:nth-child(3) .plate-frame { transform: rotate(-0.3deg); }
.plate:nth-child(4) .plate-frame { transform: rotate(0.5deg); }

.plate-frame.is-placeholder {
  aspect-ratio: 16 / 10;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background:
    repeating-linear-gradient(
      45deg,
      var(--paper-card) 0 10px,
      var(--paper-deep) 10px 11px
    );
}

/* ============================================================ EMPREINTE (Chapter VI) */
.eco-chip-demo {
  max-width: var(--wrap-narrow);
  margin: 8px auto 32px;
  text-align: center;
  overflow-x: auto;
}
.eco-chip {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  padding: 12px 22px;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
}

.eco-grid {
  max-width: var(--wrap);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(16px, 2vw, 28px);
}
.eco-card {
  background: var(--paper-card);
  border: 1px solid var(--rule-soft);
  border-top: 2px solid hsl(120, 18%, 48%);
  padding: 28px 24px 26px;
  border-radius: 2px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.eco-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.eco-card-num {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: hsl(120, 18%, 48%);
  margin: 0 0 14px;
}
.eco-card-title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--ink);
}
.eco-card-text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
.eco-card-text em { color: var(--ink); font-style: italic; }
.eco-card-text code {
  font-family: var(--ff-mono);
  font-size: 0.84em;
  background: var(--paper-deep);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--rule-soft);
  color: var(--ink);
}

/* ── Install cards (chapter VII) ───────────────────────────────────── */
.install-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  max-width: 1020px;
  margin: 36px auto 8px;
}
.install-card {
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 22px 22px 18px;
}
.install-os {
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 400;
  margin: 0 0 6px;
  color: var(--ink);
}
.install-hint {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 14px;
  line-height: 1.5;
}
.install-cmd {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--paper-deep);
  border: 1px solid var(--rule-soft);
  border-radius: 2px;
  padding: 10px 12px;
}
.install-cmd code {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  color: var(--ink);
  overflow-x: auto;
  white-space: nowrap;
  flex: 1;
  scrollbar-width: none;
}
.copy-btn {
  font-family: var(--ff-mono);
  font-size: 14px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: transparent;
  color: var(--ink-soft);
  padding: 4px 8px;
  cursor: pointer;
  flex-shrink: 0;
  transition: color .2s ease, border-color .2s ease;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent-soft); }
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }
.install-after {
  max-width: 720px;
  margin: 22px auto 36px;
  text-align: center;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.install-after code {
  font-family: var(--ff-mono);
  font-size: 0.85em;
  background: var(--paper-deep);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--rule-soft);
  color: var(--ink);
}