/* Zapp — base reset + typography */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--text);
  background: var(--bg);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-normal);
}
img, svg, video { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }

/* headings */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--text);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
h5 { font-size: var(--fs-h5); }
h6 { font-size: var(--fs-h6); }

p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding-left: 1.25em; }
li { margin-bottom: .25em; }

/* layout primitives */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  position: relative;
}
.section--tight { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.section--dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section--dark h1, .section--dark h2, .section--dark h3,
.section--dark h4, .section--dark h5, .section--dark h6 { color: var(--text-on-dark); }
.section--alt { background: var(--bg-alt); }

/* utility */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--brand-100);
  padding: .375em .875em;
  background: var(--brand-0);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}
.section--dark .eyebrow {
  background: color-mix(in srgb, var(--brand-100) 18%, transparent);
  color: var(--brand-25);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--brand-100);
  border-radius: 50%;
}

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 991px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* scroll-reveal initial state — JS adds .is-revealed */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-revealed { opacity: 1; transform: translateY(0); }

/* prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}