/* ============================================================
   Atlas Integrated — Base styles
   Reset, fonts, typography baseline, accessibility utilities
   ============================================================ */

/* ---- Self-hosted Fontshare faces (Latin subset is the .woff2 default) ---- */

@font-face {
  font-family: 'Erode';
  src: url('../fonts/Erode-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Erode';
  src: url('../fonts/Erode-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Erode';
  src: url('../fonts/Erode-Semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Erode';
  src: url('../fonts/Erode-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Satoshi';
  src: url('../fonts/Satoshi-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('../fonts/Satoshi-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('../fonts/Satoshi-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---- Modern reset ---- */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--fg-body);
  background-color: var(--bg-page);
  font-feature-settings: "tnum" 1, "kern" 1;
  font-variant-numeric: tabular-nums;
  transition: background-color 240ms var(--ease-smooth), color 240ms var(--ease-smooth);
}

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

svg { fill: currentColor; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

ul, ol { list-style: none; }

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

/* ---- Typography baseline ---- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-semi);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--fg-body);
}

h1 {
  font-size: var(--fs-display-xl);
  font-weight: var(--fw-semi);
  letter-spacing: var(--tracking-display-tight);
}

h2 { font-size: var(--fs-display-l); }
h3 { font-size: var(--fs-display-m); }
h4 { font-size: var(--fs-display-s); }

p {
  max-width: 60ch;
  color: var(--fg-body);
}

strong { font-weight: var(--fw-semi); }
em { font-style: italic; }

/* ---- Focus states ---- */

:focus { outline: none; }

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

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

.visually-hidden {
  position: absolute;
  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;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-overlay);
  padding: var(--space-3) var(--space-5);
  background: var(--color-navy);
  color: var(--color-surface);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-md);
  transition: top 200ms var(--ease-smooth);
}
.skip-link:focus-visible {
  top: var(--space-4);
}

/* ---- Selection ---- */

::selection {
  background: var(--color-navy);
  color: var(--color-surface);
}