/* ============================================================
   SYMBOLINKS.COM — v2026
   Direction : Éditorial · Parchemin · Académique
   Zero Bootstrap · CSS Grid natif · Custom Properties
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=Jost:wght@300;400;500&family=DM+Mono:ital,wght@0,300;0,400&display=swap');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --parch:       #f5f0e8;
  --parch-dark:  #ede8dc;
  --parch-deep:  #e2daca;
  --ink:         #1a1208;
  --ink-mid:     #3d2e10;
  --ink-soft:    #5a4a2a;
  --ink-muted:   #8b7840;
  --ink-faint:   #c4b48a;
  --gold:        #8b6914;
  --gold-light:  rgba(139,105,20,.15);
  --gold-line:   rgba(139,105,20,.25);
  --gold-line2:  rgba(139,105,20,.12);
  --rule:        #d4c9a8;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Jost', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  --gap:    clamp(1rem, 3vw, 2rem);
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --max-w:  1320px;
  --ease:   cubic-bezier(.25,.46,.45,.94);
  --dur:    200ms;
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--parch);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ── UTILITAIRES ─────────────────────────────────────────── */
.container {
  width: min(var(--max-w), 100% - var(--gutter) * 2);
  margin-inline: auto;
}
.label-mono {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
}
.rule { display: block; width: 36px; height: 1px; background: var(--gold); }

/* ══════════════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════════════ */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 100;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(245,240,232,.94);
  border-color: var(--rule);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 68px;
  gap: 1rem;
}

/* Logo */
.site-logo {
  display: flex; align-items: center; gap: .6rem;
}
.site-logo__mark { width: 32px; height: 32px; flex-shrink: 0; }
.site-logo__name {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 600;
  letter-spacing: .04em; color: var(--ink);
}
.site-logo__name em { font-style: normal; color: var(--gold); }

/* Nav */
.main-nav {
  display: flex; justify-content: center;
  align-items: center; gap: .1rem;
}
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: .3rem;
  padding: .45rem .8rem;
  font-family: var(--font-body);
  font-size: .78rem; font-weight: 400;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--ink-soft);
  transition: color var(--dur) var(--ease);
  white-space: nowrap;
}
.nav-link:hover,
.nav-item:hover > .nav-link { color: var(--ink); }
.nav-link svg { width: 9px; opacity: .4; transition: transform var(--dur) var(--ease); }
.nav-item:hover > .nav-link svg { transform: rotate(180deg); opacity: .8; }

/* Sous-menu */
.sub-nav {
  position: absolute;
  inset-block-start: calc(100% + 2px);
  inset-inline-start: 0;
  min-width: 230px;
  background: var(--parch);
  border: 1px solid var(--rule);
  padding: .5rem 0;
  opacity: 0; visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur) var(--ease),
              visibility var(--dur),
              transform var(--dur) var(--ease);
  box-shadow: 0 12px 40px rgba(26,18,8,.1);
}
.nav-item:hover .sub-nav {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.sub-nav li a {
  display: block; padding: .5rem 1.1rem;
  font-size: .82rem; color: var(--ink-soft);
  transition: color var(--dur), background var(--dur);
}
.sub-nav li a:hover { color: var(--gold); background: var(--gold-line2); }
.sub-nav .sub-divider {
  display: block; padding: .55rem 1.1rem .2rem;
  font-family: var(--font-mono);
  font-size: .58rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule); margin-top: .3rem;
}
.sub-nav .sub-divider:first-child { border-top: none; margin-top: 0; }

/* CTA header */
.btn-header {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem 1.1rem;
  font-size: .74rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--parch); background: var(--ink);
  border: 1px solid var(--ink);
  transition: background var(--dur), color var(--dur);
  white-space: nowrap;
}
.btn-header:hover { background: var(--gold); border-color: var(--gold); }

/* Burger */
.burger {
  display: none; flex-direction: column;
  justify-content: center; gap: 5px;
  width: 34px; height: 34px; padding: 4px;
}
.burger span {
  display: block; height: 1px; background: var(--ink);
  transform-origin: center;
  transition: transform var(--dur) var(--ease), opacity var(--dur);
}
@media (max-width: 960px) {
  .main-nav { display: none; }
  .burger { display: flex; }
  .header-inner { grid-template-columns: auto 1fr auto auto; }
  .main-nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; inset: 68px 0 0;
    background: var(--parch);
    overflow-y: auto; padding: 1.5rem var(--gutter) 3rem;
    border-top: 1px solid var(--rule);
  }
  .sub-nav {
    position: static; opacity: 1; visibility: visible;
    transform: none; box-shadow: none; border: none;
    background: transparent; padding: 0 0 .5rem 1rem;
  }
  .nav-link { font-size: .88rem; padding: .75rem 0; border-bottom: 1px solid var(--rule); }
}

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-block: 8rem 5rem;
  overflow: hidden;
}

/* Fond géométrique visible */
.hero-geo {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 4vw;
}
.hero-geo svg {
  width: min(55vw, 680px);
  height: auto;
  opacity: .22;
}

/* Texture papier légère */
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 28px,
      rgba(139,105,20,.04) 28px,
      rgba(139,105,20,.04) 29px
    );
  pointer-events: none;
}

.hero__content {
  position: relative; z-index: 1;
  max-width: 640px;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: .65rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1.25rem;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.5vw, 6rem);
  font-weight: 300; line-height: 1.0;
  letter-spacing: -.01em; color: var(--ink);
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: italic; color: var(--gold);
  display: block;
}
.hero__subtitle {
  font-size: clamp(.9rem, 1.4vw, 1.05rem);
  color: var(--ink-soft); line-height: 1.8;
  max-width: 480px; margin-bottom: 2.5rem;
}
.hero__rule {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2rem;
}
.hero__rule::before {
  content: ''; display: block;
  width: 40px; height: 1px; background: var(--gold);
}
.hero__rule span {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-faint);
}
.hero__actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  font-size: .78rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  background: var(--ink); color: var(--parch);
  transition: background var(--dur) var(--ease);
}
.btn-primary:hover { background: var(--gold); }
.btn-outline {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  font-size: .78rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  transition: border-color var(--dur), background var(--dur);
}
.btn-outline:hover { border-color: var(--gold); background: var(--gold-light); }

/* Scroll indicator */
.hero__scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: .5rem; z-index: 1;
}
.hero__scroll span {
  font-family: var(--font-mono);
  font-size: .55rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-faint);
}
.hero__scroll-line {
  width: 1px; height: 40px; background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ══════════════════════════════════════════════════════════
   4 PILIERS
══════════════════════════════════════════════════════════ */
.pillars {
  border-block: 1px solid var(--rule);
  background: var(--parch-dark);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 768px) {
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .pillars-grid { grid-template-columns: 1fr; }
}
.pillar {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-right: 1px solid var(--rule);
  transition: background var(--dur) var(--ease);
  position: relative;
}
.pillar:last-child { border-right: none; }
@media (max-width: 768px) {
  .pillar:nth-child(2) { border-right: none; }
  .pillar:nth-child(3) { border-right: 1px solid var(--rule); }
}
.pillar:hover { background: var(--parch-deep); }
.pillar__num {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 300;
  color: var(--ink-faint); line-height: 1;
  margin-bottom: 1rem;
  font-style: italic;
}
.pillar__label {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .4rem; display: block;
}
.pillar__title {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 400;
  color: var(--ink); margin-bottom: .75rem;
}
.pillar__text {
  font-size: .85rem; color: var(--ink-soft); line-height: 1.7;
}
.pillar__link {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold);
  transition: gap var(--dur) var(--ease);
}
.pillar__link:hover { gap: .65rem; }
.pillar__link::after { content: '→'; }

/* ══════════════════════════════════════════════════════════
   SECTION GÉNÉRIQUE
══════════════════════════════════════════════════════════ */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-header { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: .63rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); display: block; margin-bottom: .75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300; line-height: 1.15;
  color: var(--ink);
}
.section-title em { font-style: italic; color: var(--gold); }
.section-lead {
  margin-top: .75rem;
  font-size: .95rem; color: var(--ink-soft);
  line-height: 1.8; max-width: 560px;
}

/* ══════════════════════════════════════════════════════════
   GRILLE THÈMES
══════════════════════════════════════════════════════════ */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
}
.theme-card {
  background: var(--parch);
  padding: 1.2rem;
  display: flex; flex-direction: column; gap: .6rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background var(--dur) var(--ease);
  text-decoration: none;
}
.theme-card:hover { background: var(--parch-dark); }
.theme-card__img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  filter: sepia(20%) brightness(.95);
  transition: filter var(--dur) var(--ease);
}
.theme-card:hover .theme-card__img { filter: sepia(0%) brightness(1.02); }
.theme-card__title {
  font-family: var(--font-display);
  font-size: .95rem; font-weight: 400;
  color: var(--ink); line-height: 1.3;
}

/* ══════════════════════════════════════════════════════════
   9 NOMBRES
══════════════════════════════════════════════════════════ */
.neuf-nombres {
  background: var(--parch-dark);
  border-block: 1px solid var(--rule);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.nombres-strip {
  display: flex; min-width: max-content;
}
.nombre-item {
  display: flex; flex-direction: column; align-items: center;
  gap: .5rem; padding: 1.5rem 2rem;
  border-right: 1px solid var(--rule);
  transition: background var(--dur) var(--ease);
  text-decoration: none; flex: 1;
}
.nombre-item:last-child { border-right: none; }
.nombre-item:hover { background: var(--parch-deep); }
.nombre-item img {
  width: 60px; height: 60px; object-fit: contain;
  filter: sepia(30%) brightness(.9);
  transition: filter var(--dur) var(--ease);
}
.nombre-item:hover img { filter: sepia(0%) brightness(1.05); }
.nombre-item__num {
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .14em; color: var(--gold);
}

/* ══════════════════════════════════════════════════════════
   CITATION
══════════════════════════════════════════════════════════ */
.citation {
  background: var(--parch-dark);
  border-block: 1px solid var(--rule);
  padding-block: clamp(3rem, 6vw, 5rem);
  text-align: center;
}
.citation blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-style: italic; font-weight: 300;
  color: var(--ink); line-height: 1.55;
  max-width: 780px; margin-inline: auto;
}
.citation blockquote::before { content: '«\00a0'; color: var(--gold); }
.citation blockquote::after  { content: '\00a0»'; color: var(--gold); }
.citation cite {
  display: block; margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-muted);
}

/* ══════════════════════════════════════════════════════════
   CTA GEO
══════════════════════════════════════════════════════════ */
.geo-band {
  background: var(--ink);
  padding-block: clamp(3rem, 7vw, 5rem);
  position: relative; overflow: hidden;
}
.geo-band-geo {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 5vw; pointer-events: none;
}
.geo-band-geo svg { opacity: .08; width: min(45vw, 500px); }
.geo-band__inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center; gap: 3rem;
}
@media (max-width: 640px) {
  .geo-band__inner { grid-template-columns: 1fr; }
}
.geo-band__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300; font-style: italic;
  color: var(--parch); line-height: 1.2;
  margin-bottom: .75rem;
}
.geo-band__text {
  font-size: .9rem; color: var(--ink-faint); line-height: 1.75;
}
.btn-parch {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 2rem; white-space: nowrap;
  font-size: .78rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  background: var(--parch); color: var(--ink);
  flex-shrink: 0;
  transition: background var(--dur);
}
.btn-parch:hover { background: var(--gold); color: var(--parch); }

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--parch-dark);
  border-top: 1px solid var(--rule);
  padding-block: 3.5rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand__desc {
  margin-top: 1rem; font-size: .85rem;
  color: var(--ink-soft); line-height: 1.75; max-width: 280px;
}
.footer-brand__link {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); border-bottom: 1px solid var(--gold-line);
  padding-bottom: 2px;
  transition: border-color var(--dur);
}
.footer-brand__link:hover { border-color: var(--gold); }
.footer-col__title {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1.2rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .55rem; }
.footer-col ul a {
  font-size: .85rem; color: var(--ink-soft);
  transition: color var(--dur);
}
.footer-col ul a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .1em;
  color: var(--ink-faint);
}

/* ══════════════════════════════════════════════════════════
   PAGE ARTICLE
══════════════════════════════════════════════════════════ */
.page-hero {
  padding-block: 8rem 4rem;
  border-bottom: 1px solid var(--rule);
  position: relative; overflow: hidden;
}
.page-hero-geo {
  position: absolute; right: 0; top: 0; bottom: 0;
  display: flex; align-items: center;
  pointer-events: none;
  padding-right: var(--gutter);
}
.page-hero-geo svg { opacity: .12; width: min(40vw, 420px); }
.page-hero__eyebrow { margin-bottom: 1rem; }
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 300; line-height: 1.08;
  color: var(--ink); max-width: 750px; position: relative;
}
.page-hero__title em { font-style: italic; color: var(--gold); }
.page-hero__lead {
  margin-top: 1rem; font-size: 1rem;
  color: var(--ink-soft); max-width: 580px;
  line-height: 1.8; position: relative;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem; align-items: start;
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { order: -1; }
}
.article-body { padding-block: 3rem; }
.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 300; margin-block: 2.5rem 1rem;
  color: var(--ink); line-height: 1.2;
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 400;
  margin-block: 2rem .75rem; color: var(--gold);
}
.article-body p {
  margin-bottom: 1.25rem;
  font-size: .95rem; line-height: 1.82; color: var(--ink-soft);
}
.article-body p strong { color: var(--ink); font-weight: 500; }
.article-body blockquote {
  border-left: 2px solid var(--gold);
  padding: 1rem 0 1rem 1.5rem;
  margin-block: 1.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem; font-style: italic;
  color: var(--ink); line-height: 1.55;
}

.article-aside { position: sticky; top: 88px; padding-block: 3rem; }
.aside-card {
  background: var(--parch-dark);
  border: 1px solid var(--rule);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.aside-card__title {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem;
}
.aside-nav a {
  display: block; font-size: .83rem; color: var(--ink-soft);
  padding: .35rem 0; border-bottom: 1px solid var(--rule);
  transition: color var(--dur);
}
.aside-nav a:hover { color: var(--gold); }

/* ══════════════════════════════════════════════════════════
   SECTION NSI — Nombre · Symbole · Idée
══════════════════════════════════════════════════════════ */
.nsi-section {
  background: var(--ink);
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative; overflow: hidden;
}
.nsi-bg {
  position: absolute; inset: 0; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
  opacity: .04;
}
.nsi-bg svg { width: min(70vw, 700px); }

.nsi-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.nsi-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 300; line-height: 1.0;
  color: var(--parch);
  letter-spacing: -.01em;
}
.nsi-lead {
  margin-top: .75rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-style: italic; font-weight: 300;
  color: var(--ink-muted); line-height: 1.6;
}

/* Grille 3×3 */
.nsi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(139,105,20,.3);
  gap: 0;
}
@media (max-width: 640px) {
  .nsi-grid { grid-template-columns: 1fr; }
}
.nsi-card {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  border-right:  1px solid rgba(139,105,20,.2);
  border-bottom: 1px solid rgba(139,105,20,.2);
  transition: background var(--dur) var(--ease);
  text-decoration: none;
}
.nsi-card:nth-child(3n)  { border-right: none; }
.nsi-card:nth-child(n+7) { border-bottom: none; }
@media (max-width: 640px) {
  .nsi-card { border-right: none; }
  .nsi-card:last-child { border-bottom: none; }
}
.nsi-card:hover { background: rgba(139,105,20,.07); }

.nsi-card__code {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .2em;
  color: rgba(139,105,20,.5);
  display: block; margin-bottom: 1rem;
}
.nsi-card__verb {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 400; letter-spacing: .08em;
  text-transform: uppercase; color: var(--parch);
  margin-bottom: .35rem;
}
.nsi-card__sous {
  font-family: var(--font-display);
  font-size: .9rem; font-style: italic;
  color: var(--gold); margin-bottom: 1rem;
}
.nsi-card__desc {
  font-family: var(--font-display);
  font-size: clamp(.85rem, 1.3vw, 1rem);
  font-style: italic; font-weight: 300;
  color: rgba(245,240,232,.5);
  line-height: 1.65;
}

/* Légende axes */
.nsi-legend {
  display: flex; gap: 2rem; margin-top: 2rem;
  flex-wrap: wrap;
}
.nsi-legend__item {
  display: flex; align-items: center; gap: .6rem;
}
.nsi-legend__dot {
  width: 8px; height: 8px;
  border: 1px solid var(--gold); border-radius: 50%;
}
.nsi-legend__label {
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--ink-muted);
}

/* ══════════════════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes geoRotate {
  to { transform: rotate(360deg); }
}
.hero__content > * {
  animation: fadeUp .65s var(--ease) both;
}
.hero__content > *:nth-child(1) { animation-delay: .05s; }
.hero__content > *:nth-child(2) { animation-delay: .15s; }
.hero__content > *:nth-child(3) { animation-delay: .25s; }
.hero__content > *:nth-child(4) { animation-delay: .3s; }
.hero__content > *:nth-child(5) { animation-delay: .38s; }

.geo-rotate { animation: geoRotate 120s linear infinite; transform-origin: 50% 50%; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--rule); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }