/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

* { margin: 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(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--lh-tight);
  color: var(--color-slate-900);
  font-weight: 700;
  text-wrap: balance;
}

h1 { font-size: var(--fs-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-3xl); letter-spacing: -0.015em; }
h3 { font-size: var(--fs-xl); letter-spacing: -0.01em; }
h4 { font-size: var(--fs-md); }

p { color: var(--color-text-muted); text-wrap: pretty; }

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

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

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

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

input, textarea, select {
  background: var(--color-bg);
  border: 1px solid var(--color-slate-300);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--color-primary-500);
  color: #fff;
}

@media (max-width: 767px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  h3 { font-size: var(--fs-lg); }
}

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

.section {
  padding-block: var(--space-9);
}

@media (max-width: 767px) {
  .section { padding-block: var(--space-8); }
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-7);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-primary-500);
  border-radius: var(--radius-full);
}

.lede {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.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: fixed;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-modal);
  background: var(--color-navy-900);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  transition: top var(--dur-base) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
}