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

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

@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);
  color: var(--text-body);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

/* ===== LAYOUT HELPERS ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background: var(--color-gray-100);
}

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

.section--dark h2,
.section--dark h3 {
  color: var(--text-on-dark);
}

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

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--space-sm);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-red);
  border-radius: var(--radius-pill);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

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

/* ===== ACCESSIBILITY ===== */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  z-index: 999;
  background: var(--color-red);
  color: #fff;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

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

:focus-visible {
  outline: 2.5px solid var(--color-red);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== GRID UTILITIES ===== */
.grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1080px) {
  .grid--5 {
    grid-template-columns: repeat(5, 1fr);
  }
}