/* ============================================================
   BAM ANALYTIX — BASE / RESET / TYPOGRAPHY
   ============================================================ */

@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/oswald-400.woff2") format("woff2");
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/oswald-500.woff2") format("woff2");
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/oswald-600.woff2") format("woff2");
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/oswald-700.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/opensans-400.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/opensans-500.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/opensans-600.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/opensans-700.woff2") format("woff2");
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background: var(--surface-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

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

ul, ol { list-style: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button { cursor: pointer; background: none; border: none; }

table { border-collapse: collapse; width: 100%; }

/* ---- Headings ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-heading);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.01em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

@media (min-width: 900px) {
  h1 { font-size: var(--fs-h1-lg); }
}

p { max-width: 68ch; }
p + p { margin-top: var(--space-4); }

/* ---- Focus visibility (never suppressed) ---- */
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--transition-base);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ---- Utility ---- */
.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;
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 900px) {
  .container { padding-inline: var(--space-7); }
}

.container-narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-3);
}
.section--dark .eyebrow { color: var(--accent-on-dark); }

.text-muted { color: var(--text-muted); }
.section--dark .text-muted { color: var(--text-muted-on-dark); }

.section {
  padding-block: var(--space-9);
}
@media (max-width: 640px) {
  .section { padding-block: var(--space-8); }
}

.section--dark {
  background: var(--surface-inverse);
  color: var(--text-inverse);
}
.section--muted {
  background: var(--surface-muted);
}

.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-7);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.stack { display: flex; flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }