/* ─── Nav — logo always visible; glass background waits for scroll ───────────── */
.nav-spiral {
  opacity: 1;
  transform: scale(1);
}

.nav-wordmark {
  opacity: 1;
  max-width: 340px;
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
  transform: translateX(0);
}

/* ─── Charter Hero ───────────────────────────────────────────────────────────── */
.charter-hero {
  position: relative;
  padding: 160px clamp(20px, 5vw, 64px) clamp(72px, 10vw, 120px);
  overflow: hidden;
}

.charter-hero-wash {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(110% 80% at 20% 30%, rgb(var(--purple-wash)) 0%, rgb(var(--cream)) 60%);
}


.charter-hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.charter-h1 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 80px);
  line-height: 1.0;
  letter-spacing: -1px;
  margin: 0 0 28px;
  color: rgb(var(--ink));
}

.charter-lead {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.65;
  color: rgb(var(--text-body));
  max-width: 620px;
  margin: 0 0 20px;
}

.charter-meta {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgb(var(--purple));
  margin: 0;
}

/* ─── Charter Sections ───────────────────────────────────────────────────────── */
.charter-section {
  padding: clamp(56px, 8vw, 100px) clamp(20px, 5vw, 64px);
  border-top: 1px solid rgb(var(--purple) / 0.07);
}

.charter-section--alt {
  background: rgb(var(--cream-alt));
}

.charter-section--foundation {
  background: rgb(var(--amber-gold) / 0.06);
  border-top-color: rgb(var(--amber) / 0.14);
}

/* ─── Charter Item ───────────────────────────────────────────────────────────── */
.charter-item {
  display: grid;
  grid-template-columns: clamp(200px, 22%, 280px) 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  max-width: 1060px;
}

.charter-item-header {
  position: sticky;
  top: 140px;
}

.charter-number {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  color: rgb(var(--purple-mid));
  margin-bottom: 10px;
}

.charter-number--amber {
  color: rgb(var(--amber-gold));
}

.charter-item-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.3px;
  margin: 0;
  color: rgb(var(--purple-deep));
}

.charter-section--foundation .charter-item-title {
  color: rgb(var(--amber));
}

/* ─── Charter Body ───────────────────────────────────────────────────────────── */
.charter-item-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.charter-item-body p {
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.75;
  color: rgb(var(--text-body));
}

.charter-item-body .charter-statement {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  color: rgb(var(--ink));
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 1px solid rgb(var(--purple) / 0.1);
}

.charter-section--foundation .charter-statement {
  border-bottom-color: rgb(var(--amber) / 0.18);
}


/* ─── Mobile ─────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .charter-hero {
    padding-top: 110px;
    padding-bottom: 52px;
  }

  .charter-h1 {
    font-size: clamp(36px, 10vw, 56px);
    margin-bottom: 20px;
  }

  .charter-item {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .charter-item-header {
    position: static;
    display: flex;
    align-items: baseline;
    gap: 12px;
  }

  .charter-number {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .charter-index-inner {
    max-width: 100%;
  }
}