/* Reset + typography + layout primitives */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: #fff; line-height: 1.55; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }

h1 { font-size: 58px; line-height: 1.04; margin: 16px 0 20px; letter-spacing: -1.8px; }
h2 { font-size: 39px; line-height: 1.15; margin: 8px 0 14px; letter-spacing: -.7px; }
h3 { font-size: 21px; margin: 0 0 10px; }
.accent { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue); font-weight: 800; }
.lead { font-size: 19px; color: var(--muted); max-width: 700px; margin: 0 0 28px; }

.container { width: var(--container); margin-inline: auto; }
.section { padding: var(--section-y) 0; }
.section--alt { background: var(--soft); }
.section--flush-top { padding-top: 20px; }
.section-title { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-title p { color: var(--muted); font-size: 17px; margin: 0; }

/* Grids */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); gap: 16px; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }

.skip-link { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 14px; z-index: 100; border-radius: 6px; }
.skip-link:focus { left: 8px; }

@media (max-width: 900px) {
  h1 { font-size: 45px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  :root { --header-h: 68px; --section-y: 64px; }
  h1 { font-size: 38px; }
  h2 { font-size: 32px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}