body {
  font-family: var(--font-primary);
  font-weight: var(--fw-regular);
  font-size: var(--fs-base);
  color: var(--color-navy);
  background-color: var(--color-white);
}

h1 {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-light);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-light);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-regular);
}

h4 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-medium);
}

h5 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
}

h6 {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
}

p {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: var(--color-medium-gray);
}

a:hover {
  color: var(--color-accent);
}

strong {
  font-weight: var(--fw-semibold);
}

@media (max-width: 767px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  h3 { font-size: var(--fs-xl); }
  p  { font-size: var(--fs-base); }
}

/* === Scroll Fade-In Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children for grid/list sections */
.fade-in-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in-children.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-children.is-visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-children.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-children.is-visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-children.is-visible > *:nth-child(4) { transition-delay: 0.3s; }
/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .fade-in-children > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}