/* ==========================================================================
   02. RESET, BASE ELEMENTS & TYPOGRAPHY
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--announce-height) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* <picture> is a wrapper with no layout role of its own; taking it out of the
   box tree lets the <img> inherit sizing straight from the real parent. */
picture { display: contents; }

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

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

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

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--navy-900);
}

/* --- Typography ----------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-900);
  line-height: 1.15;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 4.6vw + 1rem, 4rem); }
h2 { font-size: clamp(1.9rem, 2.4vw + 1.1rem, 2.75rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 1vw + 1rem, 1.5rem); font-weight: 600; }

p { margin: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: var(--sp-2);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}

.section-lead {
  max-width: 640px;
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-top: var(--sp-2);
}

/* --- Accessibility helpers ------------------------------------------------ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Visually hidden but still announced by screen readers */
.sr-only-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}