/* ============================================================
   Ummeo — reset, element defaults, layout primitives
   ============================================================ */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Sticky nav clearance for in-page anchors */
  scroll-padding-top: 6rem;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-text);
  font-size: var(--step-0);
  line-height: var(--lh-body);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }

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

button { background: none; border: 0; padding: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 40;
}

p { text-wrap: pretty; }

::selection {
  background: var(--sap-200);
  color: var(--ink-950);
}

[data-surface="ink"] ::selection {
  background: var(--sap-500);
  color: var(--ink-950);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

:focus:not(:focus-visible) { outline: none; }

/* ---- Skip link ---------------------------------------------- */
.skip {
  position: absolute;
  left: var(--sp-4);
  top: var(--sp-4);
  z-index: var(--z-overlay);
  transform: translateY(-200%);
  background: var(--ink-900);
  color: var(--bone-100);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  font-size: var(--step--1);
  font-weight: 500;
  transition: transform var(--t-base) var(--ease-out);
}
.skip:focus { transform: translateY(0); }

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

.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: 860px; }

.section {
  position: relative;
  padding-block: var(--section-y);
  background: var(--bg);
  color: var(--fg);
}

.section--tight { padding-block: calc(var(--section-y) * 0.62); }

/* ---- Type primitives ----------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-text);
  font-size: var(--step--2);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.eyebrow::before {
  content: "";
  inline-size: 6px;
  block-size: 6px;
  border-radius: var(--r-pill);
  background: var(--accent);
  flex: none;
}

.eyebrow--plain::before { display: none; }

.lead {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--fg-muted);
  max-width: 52ch;
  letter-spacing: var(--tracking-snug);
}

.display-1 { font-size: var(--step-7); }
.display-2 { font-size: var(--step-6); }
.display-3 { font-size: var(--step-5); }
.display-4 { font-size: var(--step-4); line-height: var(--lh-snug); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 62ch;
  margin-bottom: var(--sp-8);
}

/* An accent word inside a display heading */
.tint { color: var(--accent); }

.italic-accent {
  font-style: italic;
  font-variation-settings: "SOFT" 40, "WONK" 1, "opsz" 40;
}

/* ---- Reveal on scroll ---------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--t-slower) var(--ease-out) var(--reveal-delay, 0ms),
    transform var(--t-slower) var(--ease-out) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.no-js [data-reveal] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}