/* Keyground Consulting: base styles: reset, type, layout primitives, motion, a11y */

@import url("https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap");

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--color-bg-page);
  color: var(--color-text-body);
  font-family: var(--font-body);
  font-size: var(--p-size-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-text-link);
}

ul,
ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-text-heading);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--p-size-6);
  font-weight: 700;
}

h2 {
  font-size: var(--p-size-4);
}

h3 {
  font-size: var(--p-size-3);
}

h4 {
  font-size: var(--p-size-2);
  font-family: var(--font-body);
  font-weight: 700;
}

p {
  max-width: 68ch;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

/* ---------- Accessibility ---------- */

:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  border-radius: var(--p-radius-sm);
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -3.5rem;
  background: var(--color-bg-inverse);
  color: var(--color-text-inverse);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-control);
  z-index: 100;
  transition: top var(--duration-interaction) var(--ease-standard);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout primitives ---------- */

.wrap {
  max-width: var(--p-content-max);
  margin-inline: auto;
  padding-inline: var(--p-gutter);
}

.wrap--narrow {
  max-width: var(--p-content-narrow);
}

.section {
  padding-block: var(--space-2xl);
}

.section--tight {
  padding-block: var(--space-xl);
}

.section--inverse {
  background: var(--color-bg-inverse);
  color: var(--color-text-inverse);
}

.section--inverse h1,
.section--inverse h2,
.section--inverse h3,
.section--inverse h4 {
  color: var(--color-text-inverse);
}

.section--inverse p {
  color: var(--color-text-inverse-muted);
}

.section--sunken {
  background: var(--color-bg-surface-sunken);
}

.section--surface {
  background: var(--color-bg-surface);
}

.grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* ---------- Typographic components ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--eyebrow-font);
  font-size: var(--p-size-000);
  font-weight: 600;
  letter-spacing: var(--eyebrow-tracking);
  text-transform: uppercase;
  color: var(--eyebrow-color);
}

.eyebrow::before {
  content: "";
  width: 1.25rem;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.section--inverse .eyebrow {
  color: var(--color-text-inverse-muted);
}

.lede {
  font-size: var(--p-size-2);
  color: var(--color-text-muted);
  max-width: 56ch;
}

.section--inverse .lede {
  color: var(--color-text-inverse-muted);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-reveal) var(--ease-standard),
    transform var(--duration-reveal) var(--ease-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

/* ---------- Contour / cadastral texture ---------- */

.contour-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.16;
  z-index: 0;
}

.contour-field svg {
  width: 100%;
  height: 100%;
}