/* ============================================================
   Layout — header, footer, hero, sections signature
   ============================================================ */

/* ============== HEADER ============== */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  padding: var(--space-4) 0;
  transition: background var(--t-base) var(--ease-out), border-color var(--t-base);
  border-bottom: 0.5px solid transparent;
}
.header--scrolled {
  background: rgba(245, 239, 226, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom-color: var(--sn-line);
}

.header__inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 max(1.25rem, 4vw);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-strong);
}
.header__monogram {
  width: 36px; height: 36px;
  flex-shrink: 0;
}
.header__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.header__wordmark-name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  color: var(--text-strong);
}
.header__wordmark-sub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}
.header__nav a {
  font-family: var(--font-body);
  font-size: var(--fs-body-small);
  color: var(--text-strong);
  text-decoration: none;
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--t-base);
}
.header__nav a:hover { color: var(--accent); }
.header__nav a.is-active {
  color: var(--accent);
}
.header__nav a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
}

.header__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__menu-btn {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text-strong);
}
.header__menu-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 960px) {
  .header__nav { display: none; }
  .header__cta .btn--desktop { display: none; }
  .header__menu-btn { display: inline-flex; }
}

/* Mobile drawer */
.mobile-menu {
  position: fixed;
  inset: 64px 0 0 0;
  z-index: calc(var(--z-header) - 1);
  background: var(--bg);
  border-top: 0.5px solid var(--sn-line);
  padding: var(--space-7) max(1.25rem, 4vw);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  padding: var(--space-4) 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-strong);
  text-decoration: none;
  border-bottom: 0.5px solid var(--sn-line);
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .btn { margin-top: var(--space-5); align-self: flex-start; }

/* Body offset under fixed header */
main { padding-top: 0; }

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

.footer {
  background: var(--sn-ink);
  color: var(--sn-paper);
  padding: var(--space-10) 0 var(--space-6);
  margin-top: var(--space-11);
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 0.5px;
  background: linear-gradient(90deg, transparent, var(--sn-gold) 30%, var(--sn-gold) 70%, transparent);
  opacity: 0.5;
}

.footer h4 {
  color: var(--sn-paper);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-5);
  font-variation-settings: normal;
}
.footer__brand {
  display: flex; gap: var(--space-3); align-items: center; margin-bottom: var(--space-4);
}
.footer__brand img { width: 40px; height: 40px; }
.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--sn-paper);
}
.footer__brand-sub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sn-gold-light);
  margin-top: 2px;
}
.footer__intro {
  color: rgba(245, 239, 226, 0.72);
  font-size: var(--fs-body-small);
  line-height: 1.7;
  max-width: 38ch;
  margin-bottom: var(--space-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-7);
}
@media (max-width: 880px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-7); }
}
@media (max-width: 540px) {
  .footer__grid { grid-template-columns: 1fr; }
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a {
  color: rgba(245, 239, 226, 0.78);
  font-size: var(--fs-body-small);
  text-decoration: none;
  transition: color var(--t-base);
}
.footer__col a:hover { color: var(--sn-gold-light); }
.footer__col a small { display: block; color: rgba(245, 239, 226, 0.5); font-size: 0.6875rem; margin-top: 2px; }

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 0.5px solid rgba(184, 153, 104, 0.25);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.75rem;
  color: rgba(245, 239, 226, 0.55);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.footer__bottom a { color: rgba(245, 239, 226, 0.7); }
.footer__bottom a:hover { color: var(--sn-gold-light); }
.footer__bottom .legal { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.footer__ltc {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sn-gold-light);
}

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

.hero {
  padding: calc(var(--space-12) + 1rem) 0 var(--space-11);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 max(1.25rem, 4vw);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-9);
  align-items: center;
}
@media (max-width: 960px) {
  .hero { padding: calc(var(--space-10) + 1rem) 0 var(--space-9); }
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-7); }
}

.hero__copy {
  position: relative;
}

.hero__masthead {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: var(--space-7);
}
.hero__masthead::after {
  content: '';
  flex: 1;
  height: 0.5px;
  background: var(--sn-gold);
  opacity: 0.5;
  max-width: 200px;
}
.hero__masthead .num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--decor);
  margin-right: var(--space-2);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw + 1rem, 6rem);
  font-weight: var(--fw-regular);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--text-strong);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  margin-bottom: var(--space-6);
}
.hero__title .dim { color: var(--text-muted); }
.hero__title .accent { color: var(--accent); font-style: italic; font-variation-settings: 'opsz' 144, 'SOFT' 80; }

.hero__lead {
  font-family: var(--font-body);
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--text);
  max-width: 56ch;
  margin-bottom: var(--space-7);
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.hero__byline {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-4);
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.hero__byline::before {
  content: '';
  width: 32px; height: 0.5px;
  background: var(--sn-gold);
}
.hero__byline strong { color: var(--text-strong); font-weight: var(--fw-medium); }

/* Hero card visualization */
.hero__visual {
  position: relative;
}

/* Editorial card "fac-similé d'acte" */
.acte-card {
  background: var(--sn-paper);
  border: 0.5px solid var(--sn-line);
  border-radius: var(--radius-card);
  padding: var(--space-7);
  position: relative;
  box-shadow: var(--shadow-card);
  font-family: var(--font-display);
  color: var(--text-strong);
  transform: rotate(-1.5deg);
  max-width: 460px;
  margin-left: auto;
}
.acte-card::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 0.5px solid var(--sn-gold);
  border-radius: 1px;
  pointer-events: none;
  opacity: 0.6;
}
.acte-card__seal {
  position: absolute;
  top: -16px;
  right: 24px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--sn-seal);
  color: var(--sn-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 2px solid var(--sn-paper);
  box-shadow: 0 8px 18px -8px rgba(122, 31, 42, 0.5);
  text-align: center;
  line-height: 1.1;
  font-feature-settings: 'lnum';
  transform: rotate(8deg);
}
.acte-card__seal span {
  display: block;
  font-size: 0.5rem;
  margin-bottom: 2px;
  opacity: 0.85;
}

.acte-card__head {
  text-align: center;
  border-bottom: 0.5px solid var(--sn-gold);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-5);
}
.acte-card__head-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.acte-card__head-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-strong);
}
.acte-card__head-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0;
}

.acte-card__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 0.5px dashed rgba(184, 153, 104, 0.4);
  align-items: baseline;
}
.acte-card__row:last-of-type { border-bottom: 0; }
.acte-card__row dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}
.acte-card__row dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--text-strong);
  line-height: 1.45;
}
.acte-card__row dd em {
  font-style: italic;
  color: var(--accent);
}

.acte-card__sig {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 0.5px solid var(--sn-gold);
  text-align: right;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.acte-card__sig-line {
  display: inline-block;
  border-bottom: 0.5px solid var(--text);
  min-width: 140px;
  height: 28px;
  vertical-align: bottom;
  margin-left: var(--space-3);
  position: relative;
}
.acte-card__sig-line::after {
  content: '';
  position: absolute;
  inset: 4px 12px 8px 0;
  background-image:
    radial-gradient(circle at 80% 50%, var(--text-strong) 0 1px, transparent 1px),
    linear-gradient(35deg, transparent 50%, var(--text-strong) 50%, var(--text-strong) 52%, transparent 52%);
  background-size: 100% 100%, 26px 26px;
  background-repeat: no-repeat;
  opacity: 0.5;
  background-position: center;
}

/* Hide visual on smallish screens to keep editorial feel */
@media (max-width: 720px) {
  .acte-card { transform: rotate(0); margin: var(--space-7) auto 0; }
}

/* ============== STICKY CTA (mobile) ============== */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-3) max(1.25rem, 4vw);
  background: rgba(14, 17, 22, 0.92);
  border-top: 0.5px solid var(--sn-gold);
  display: none;
  align-items: center;
  gap: var(--space-3);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transform: translateY(120%);
  transition: transform var(--t-slow) var(--ease-out);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta .btn--primary { flex: 1; }
@media (max-width: 720px) { .sticky-cta { display: flex; } }

/* ============== GRID LAYOUTS ============== */

.grid-cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-7); }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 880px) {
  .grid-cols-3 { grid-template-columns: 1fr; }
  .grid-cols-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-cols-2 { grid-template-columns: 1fr; }
  .grid-cols-4 { grid-template-columns: 1fr; }
}

/* Responsive split utilities — collapse on mobile */
.split-2-1 {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-9);
  align-items: start;
}
.split-1-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-9);
  align-items: start;
}
.split-side {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  align-items: start;
}
.split-side-num {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-7);
}
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: end;
}
.cta-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-9);
  align-items: start;
}
.split-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
}
@media (max-width: 880px) {
  .split-2-1, .split-1-2, .hero-split, .cta-split, .split-half {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .split-side { grid-template-columns: 1fr; gap: var(--space-5); }
}
@media (max-width: 540px) {
  .split-side-num { grid-template-columns: 64px 1fr; gap: var(--space-4); }
}

/* Sources visualization grid — flagship element */
.sources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 880px) {
  .sources-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .sources-grid { grid-template-columns: 1fr; }
}

/* Source card (used on homepage and pack) */
.source-card {
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-7);
  background: var(--bg-alt);
  border: 0.5px solid var(--sn-line);
  border-radius: var(--radius-card);
  transition: all var(--t-base) var(--ease-out);
}
.source-card::before {
  content: '';
  position: absolute;
  left: 0; top: var(--space-5); bottom: var(--space-5);
  width: 2px;
  background: var(--sn-gold);
  opacity: 0.7;
}
.source-card:hover {
  background: var(--bg);
  border-color: var(--sn-line-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.source-card__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: var(--fw-regular);
  color: var(--text-strong);
  margin-bottom: var(--space-2);
  letter-spacing: -0.005em;
}
.source-card__type {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--decor);
  margin-bottom: var(--space-2);
}
.source-card__body {
  font-size: var(--fs-body-small);
  color: var(--text);
  line-height: 1.55;
}

/* Security proof tile */
.proof-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--bg-alt);
  border: 0.5px solid var(--sn-line);
  border-radius: var(--radius-card);
  position: relative;
}
.section--ink .proof-tile {
  background: rgba(184, 153, 104, 0.05);
  border-color: rgba(184, 153, 104, 0.25);
}
.proof-tile__icon {
  width: 32px;
  height: 32px;
  color: var(--decor);
  margin-bottom: var(--space-2);
}
.proof-tile__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--text-strong);
  letter-spacing: -0.005em;
  margin: 0;
}
.section--ink .proof-tile__title { color: var(--sn-paper); }
.proof-tile__body {
  font-size: var(--fs-body-small);
  color: var(--text);
  line-height: 1.55;
  margin: 0;
}
.section--ink .proof-tile__body { color: rgba(245, 239, 226, 0.78); }
.proof-tile__stamp {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--decor);
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 0.5px solid var(--sn-line);
}
.section--ink .proof-tile__stamp { border-top-color: rgba(184, 153, 104, 0.2); }

/* Assistant card — flagship visual */
.assistant-card {
  background: var(--bg-inverse);
  color: var(--text-on-dark);
  border-radius: var(--radius-card);
  padding: var(--space-7) var(--space-7) var(--space-6);
  position: relative;
  overflow: hidden;
}
.assistant-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(184, 153, 104, 0.18), transparent 70%);
  pointer-events: none;
}
.assistant-card__corner {
  position: absolute;
  top: var(--space-4); right: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--sn-gold-light);
  z-index: 1;
}
.assistant-card__head {
  position: relative;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 0.5px solid rgba(184, 153, 104, 0.3);
}
.assistant-card__role {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--sn-gold-light);
  margin-bottom: var(--space-3);
}
.assistant-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--sn-paper);
  letter-spacing: -0.015em;
}
.assistant-card__convo {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.assistant-card__bubble {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-card);
  font-size: var(--fs-body-small);
  line-height: 1.55;
  max-width: 92%;
}
.assistant-card__bubble--user {
  align-self: flex-end;
  background: rgba(184, 153, 104, 0.12);
  border: 0.5px solid rgba(184, 153, 104, 0.3);
  color: var(--sn-paper);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.0625rem;
}
.assistant-card__bubble--ai {
  align-self: flex-start;
  background: rgba(245, 239, 226, 0.06);
  border-left: 2px solid var(--sn-gold);
  color: rgba(245, 239, 226, 0.92);
  font-size: var(--fs-body-small);
}
.assistant-card__bubble--ai cite {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--sn-gold-light);
  font-style: normal;
}
.assistant-card__sources {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 0.5px solid rgba(184, 153, 104, 0.3);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(245, 239, 226, 0.55);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}
.assistant-card__sources span::before {
  content: '◆ ';
  color: var(--sn-gold);
  margin-right: 4px;
}

/* ============== FRONTISPIECE — hero visual signature ============== */
/* Page de garde éditoriale type volume notarial.
   Sobre, centré, premium. Pas de chat, pas de tech. */

.frontispiece {
  position: relative;
  max-width: 420px;
  margin-left: auto;
  padding: var(--space-7) var(--space-6) var(--space-6);
  background: var(--sn-paper);
  border: 0.5px solid var(--sn-line);
  text-align: center;
  box-shadow:
    inset 0 0 0 1px var(--sn-paper),
    inset 0 0 0 1.5px rgba(184, 153, 104, 0.45),
    0 1px 0 rgba(14, 17, 22, 0.04),
    0 18px 40px -22px rgba(14, 17, 22, 0.16);
}

.frontispiece::before {
  content: '◆';
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--sn-gold);
  font-size: 0.45rem;
  opacity: 0.85;
}

.frontispiece__edition {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
}
.frontispiece__edition::before,
.frontispiece__edition::after {
  content: '';
  width: 22px;
  height: 0.5px;
  background: var(--sn-gold);
  opacity: 0.65;
}

.frontispiece__pillar {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: block;
}

.frontispiece__title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.025em;
  line-height: 0.98;
  color: var(--text-strong);
  margin: 0 0 var(--space-3);
  font-weight: var(--fw-regular);
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
}
.frontispiece__title em {
  font-style: italic;
  color: var(--accent);
  display: block;
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
}

.frontispiece__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-5);
  letter-spacing: -0.005em;
  line-height: 1.4;
}

.frontispiece__divider {
  width: 48px;
  height: 0.5px;
  background: var(--sn-gold);
  margin: 0 auto var(--space-4);
  opacity: 0.7;
  border: 0;
}

.frontispiece__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin: 0 0 var(--space-4);
}

.frontispiece__sources {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  display: flex;
  flex-direction: column;
}
.frontispiece__sources li {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--text-strong);
  letter-spacing: -0.005em;
  font-variation-settings: 'opsz' 144;
  padding: var(--space-2) 0;
  line-height: 1.35;
}
.frontispiece__sources li + li {
  border-top: 0.5px dashed rgba(184, 153, 104, 0.35);
}

.frontispiece__footer {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 0.5px solid rgba(184, 153, 104, 0.3);
  margin: 0;
}
.frontispiece__footer::before,
.frontispiece__footer::after {
  content: '◆';
  color: var(--sn-gold);
  font-size: 0.45rem;
  opacity: 0.7;
}

@media (max-width: 720px) {
  .frontispiece { margin: var(--space-7) auto 0; max-width: 100%; padding: var(--space-7) var(--space-5) var(--space-5); }
  .frontispiece__pillar { width: 56px; height: 56px; }
  .frontispiece__title { font-size: 1.75rem; }
}

/* ============== MODULES — module avec numéro ============== */

.module-row {
  display: grid;
  grid-template-columns: 80px 1fr 280px;
  gap: var(--space-7);
  padding: var(--space-8) 0;
  border-bottom: 0.5px solid var(--sn-line);
  align-items: start;
}
.module-row:first-of-type { border-top: 0.5px solid var(--sn-ink); }
.module-row:last-of-type { border-bottom: 0.5px solid var(--sn-ink); }

.module-row__num {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: 4rem;
  line-height: 0.9;
  color: var(--decor);
  letter-spacing: -0.04em;
  font-feature-settings: 'lnum';
  font-variation-settings: 'opsz' 144;
}
.module-row__body h3 {
  font-size: var(--fs-display-m);
  margin-bottom: var(--space-4);
}
.module-row__problem,
.module-row__solution {
  margin-top: var(--space-4);
}
.module-row__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--decor);
  margin-bottom: var(--space-2);
  display: block;
}
.module-row__price {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--bg-alt);
  border-left: 1px solid var(--sn-gold);
}
.module-row__price-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.module-row__price-value {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.025em;
  color: var(--text-strong);
  font-feature-settings: 'tnum';
}
.module-row__price-suffix {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

@media (max-width: 880px) {
  .module-row {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .module-row__num { font-size: 3rem; }
  .module-row__price { width: 100%; }
}

/* ============== STAT BLOCK ============== */

.stat {
  border-top: 0.5px solid var(--sn-gold);
  padding-top: var(--space-5);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 3vw + 1rem, 3.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  font-feature-settings: 'lnum';
  margin-bottom: var(--space-3);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}
.stat__hint {
  font-size: var(--fs-body-small);
  color: var(--text);
  line-height: 1.55;
  max-width: 32ch;
}

/* ============== EDITORIAL HEADLINE ============== */

.editorial-h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-l);
  letter-spacing: var(--ls-display-l);
  line-height: var(--lh-display);
  font-weight: var(--fw-regular);
  color: var(--text-strong);
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  margin-bottom: var(--space-5);
}
.editorial-h2 .dim { color: var(--text-muted); }
.editorial-h2 em { font-style: italic; color: var(--accent); font-variation-settings: 'opsz' 144, 'SOFT' 80; }

/* ============== TRANSFORMATIONS LIST (avant/après) ============== */

.transform-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}
.transform-row {
  border-top: 0.5px solid var(--sn-ink);
  padding-top: var(--space-6);
}
.transform-row__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.transform-row__topic {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-strong);
  letter-spacing: -0.015em;
  margin: 0;
}
.transform-row__gain {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.transform-row__body {
  display: grid;
  grid-template-columns: 1fr 32px 1fr;
  gap: var(--space-5);
  align-items: stretch;
}
@media (max-width: 720px) {
  .transform-row__body { grid-template-columns: 1fr; }
}
.transform-row__before, .transform-row__after {
  padding: var(--space-5) 0;
}
.transform-row__before {
  border-top: 0.5px dashed var(--sn-line);
  color: var(--text-muted);
}
.transform-row__after {
  border-top: 0.5px solid var(--accent);
}
.transform-row__sep {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--decor);
}
.transform-row__sep svg { width: 18px; height: 18px; }
.transform-row__label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--space-2);
  color: var(--text-muted);
}
.transform-row__after .transform-row__label { color: var(--accent); }

/* ============== FINAL CTA ============== */

.cta-final {
  background: var(--bg-inverse);
  color: var(--text-on-dark);
  padding: var(--space-11) 0;
  position: relative;
}
.cta-final::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 0.5px;
  background: linear-gradient(90deg, transparent, var(--sn-gold), transparent);
  opacity: 0.6;
}
.cta-final__inner {
  max-width: var(--container-medium);
  margin: 0 auto;
  padding: 0 max(1.25rem, 4vw);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-9);
  align-items: center;
}
@media (max-width: 880px) {
  .cta-final__inner { grid-template-columns: 1fr; }
}
.cta-final h2 {
  color: var(--sn-paper);
  font-size: var(--fs-display-l);
  font-variation-settings: 'opsz' 144, 'SOFT' 60;
  margin-bottom: var(--space-5);
}
.cta-final h2 em { color: var(--sn-gold-light); font-style: italic; }
.cta-final p {
  color: rgba(245, 239, 226, 0.78);
  font-size: var(--fs-lead);
  line-height: 1.6;
}
.cta-final__card {
  background: rgba(184, 153, 104, 0.06);
  border: 0.5px solid rgba(184, 153, 104, 0.3);
  padding: var(--space-7);
  border-radius: var(--radius-card);
}
.cta-final__card h3 {
  color: var(--sn-gold-light);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-4);
  font-variation-settings: normal;
}
.cta-final__card ul { display: flex; flex-direction: column; gap: var(--space-3); }
.cta-final__card li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-body-small);
  color: rgba(245, 239, 226, 0.85);
  line-height: 1.5;
}
.cta-final__card li::before {
  content: '✓';
  color: var(--sn-gold-light);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}

/* ============== ANIMATIONS ============== */

.fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

.stagger > * { transition-delay: 0ms; }
.stagger > *.is-visible:nth-child(1) { transition-delay: 0ms; }
.stagger > *.is-visible:nth-child(2) { transition-delay: 80ms; }
.stagger > *.is-visible:nth-child(3) { transition-delay: 160ms; }
.stagger > *.is-visible:nth-child(4) { transition-delay: 240ms; }
.stagger > *.is-visible:nth-child(5) { transition-delay: 320ms; }
.stagger > *.is-visible:nth-child(6) { transition-delay: 400ms; }