/* ==========================================================================
   Reset & base element styles
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, ol {
  margin: 0;
}

a {
  color: inherit;
}
a:hover {
  opacity: 0.86;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
}

/* Skip link — accessibility, hidden until focused */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-green);
  color: var(--c-green-ink);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  z-index: 999;
  border-radius: 0 0 4px 0;
}
.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   Layout utilities
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: 92px 0;
}
.section--tight { padding: 72px 0 28px; }
.section--bordered { border-bottom: 1px solid var(--border-soft); }
.section--alt { background: var(--bg-alt); }

.grid {
  display: grid;
  gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }

/* ==========================================================================
   Typography
   ========================================================================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-heading);
  margin: 0 0 20px;
  text-wrap: balance;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-heading);
  margin: 0;
}

.lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}

.section-link {
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --container-pad: 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}