/* SOMZ Consultants: reset, typography and layout primitives (Step 01 §4). */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }

body {
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink-2);
  font: 400 var(--fs-body)/var(--lh-body) var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
address { font-style: normal; }
[hidden] { display: none !important; }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-weight: 500;
  color: var(--ink);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h3 { line-height: var(--lh-snug); font-weight: 600; }
h4 { font: 600 var(--fs-h4)/var(--lh-snug) var(--font-sans); color: var(--ink); }

p { max-width: 68ch; }
strong { font-weight: 600; color: var(--ink); }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--accent-hover); text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

::selection { background: var(--accent-wash); color: var(--ink); }

.tnum { font-variant-numeric: tabular-nums lining-nums; }

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); }
.section--warm { background: var(--paper-warm); }
.section--cool { background: var(--paper-cool); }

.grid-2, .grid-3, .grid-4 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid-2, .grid-3, .grid-4 { gap: var(--space-6); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Accessibility utilities */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: var(--fs-small);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; color: #fff; }

.print-only { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}