/* ==========================================================================
   BASE — reset, typography, layout primitives, utilities
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--sky-dawn);
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
button, input { font: inherit; color: inherit; }
a { color: inherit; }
p, h1, h2, h3, h4, ul, ol, figure, blockquote { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

::selection { background: var(--coral); color: #fff; }

/* ---- Headings ------------------------------------------------------------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.02;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 em, h2 em, h3 em, .display em {
  font-style: italic;
  font-weight: 500;
  color: var(--clay);
}
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-3); }
p  { text-wrap: pretty; }

.lede {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* small tracked label */
.label {
  font-family: var(--font-sans);
  font-size: var(--step--2);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---- Layout primitives ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section);
  isolation: isolate;
}

/* ---- Paper grain over the whole page (adds an analogue, printed feel) ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .25  0 0 0 0 .2  0 0 0 0 .15  0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Accessibility -------------------------------------------------------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -4rem;
  z-index: 200;
  padding: 0.75rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  text-decoration: none;
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 4px;
  border-radius: 6px;
}

[hidden] { display: none !important; }

/* inline SVG icon helper */
.icon {
  width: 1em;
  height: 1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}