/* ==========================================================================
   RITTER IMMO — Base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
.on-dark :focus-visible { outline-color: var(--paper); }

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

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

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

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2vw, 32px);
}

.section { padding-block: var(--section-y); }
.section-sm { padding-block: var(--section-y-sm); }

.on-dark {
  background: var(--ink);
  color: var(--paper);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--graphite);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.on-dark .eyebrow { color: var(--text-on-dark-45); }

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .7;
}

.lede {
  font-size: var(--fs-lead);
  line-height: var(--lh-snug);
  color: var(--ink-70);
  max-width: 42ch;
}
.on-dark .lede { color: var(--text-on-dark-70); }

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -60px;
  background: var(--ink);
  color: var(--paper);
  padding: .8em 1.4em;
  z-index: 200;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 16px; }

/* Reveal-on-scroll --------------------------------------------------------*/
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-stagger] > * { opacity: 1; transform: none; }
}