/* ============================================================
   OII4 TYPOGRAPHY SYSTEM
============================================================ */

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin-top: 0;
  font-weight: 800;
}

.oii-display {
  font-size: clamp(3.5rem, 8vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.oii-heading-xl {
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.oii-heading-lg {
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.oii-heading-md {
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.oii-body-lg {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.8;
  color: var(--text-secondary);
}

.oii-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.oii-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: var(--oii-copper);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.oii-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.oii-eyebrow {
  color: var(--oii-copper);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.oii-prose {
  max-width: 760px;
}

.oii-prose p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
}

.oii-prose p + p {
  margin-top: 1rem;
}

.oii-prose a {
  color: var(--oii-copper);
  font-weight: 800;
}

@media (max-width: 640px) {
  .oii-display {
    font-size: clamp(3rem, 15vw, 5.5rem);
  }
}

/* ============================================================
   OII4 TYPOGRAPHY REFINEMENTS
============================================================ */

.oii-display,
.oii-heading-xl,
.oii-heading-lg,
.oii-heading-md {
  text-wrap: balance;
}

.oii-lead {
  max-width: var(--content-narrow, 760px);
  color: var(--text-secondary);
  font-size: clamp(1.12rem, 1.7vw, 1.35rem);
  line-height: 1.82;
}

.oii-caption {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.oii-quote {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-size: clamp(1.6rem, 3vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.055em;
}

.oii-stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  font-weight: 850;
}

.oii-text-inverse {
  color: var(--text-inverse);
}

.oii-text-soft {
  color: var(--text-secondary);
}

.oii-text-muted {
  color: var(--text-muted);
}