/* Reset + base element styles + shared layout primitives */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: var(--bg-white);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /*
    No overflow-x here — setting overflow on body/html breaks position:sticky
    for descendants (a well-known CSS gotcha). Sections with decorative
    elements that could overflow (.hero, .page-hero)
    each clip themselves with their own overflow: hidden instead.
  */
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

button {
  font-family: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

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

/* Visible only to assistive tech / keyboard users */
.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;
  left: var(--space-4);
  top: -60px;
  z-index: 1000;
  background: var(--color-ink);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: top var(--transition-fast);
}

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

:focus-visible {
  outline: 2px solid var(--color-pink);
  outline-offset: 2px;
}

/* ---------- Layout primitives ---------- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--section-padding-x);
}

.section {
  padding-block: var(--section-padding-y);
  padding-inline: var(--section-padding-x);
}

.section--lg {
  padding-block: var(--section-padding-y-lg);
}

.section--tight {
  padding-block: 2.5rem 2.75rem;
}

/* Keeps anchor-linked sections from being tucked under the sticky header */
section[id] {
  scroll-margin-top: 5.125rem;
}

@media (max-width: 1080px) {
  .section {
    padding-block: 4.5rem;
  }
}

@media (max-width: 720px) {
  :root {
    --section-padding-x: var(--section-padding-x-mobile);
  }

  .section {
    padding-block: 3.5rem;
  }
}

/* ---------- Shared text treatments ---------- */

.eyebrow {
  margin: 0 0 0.8125rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest-alt);
  text-transform: uppercase;
  color: var(--color-eyebrow);
}

.eyebrow--on-dark {
  color: var(--color-accent-pink-on-dark);
}

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

.section-heading {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-snug);
  margin: 0;
  text-wrap: balance;
}

.section-heading--h2 {
  font-size: var(--text-h2-sm);
}

@media (min-width: 640px) {
  .section-heading--h2 {
    font-size: var(--text-h2);
  }
}

.section-lede {
  margin: 0;
  font-size: var(--text-lg-alt);
  line-height: var(--leading-loose);
  color: var(--color-body);
  text-wrap: pretty;
}

.section-lede--on-dark {
  color: var(--color-body-on-dark);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  gap: var(--space-14);
  align-items: end;
}

@media (max-width: 900px) {
  .section-header {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

/* ---------- Grid helpers ---------- */

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 1080px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ---------- Shared keyframes ---------- */

@keyframes df-dash {
  from { stroke-dashoffset: 340; }
  to { stroke-dashoffset: 0; }
}

@keyframes df-pulse {
  0% { r: 3; opacity: 0.9; }
  70% { r: 15; opacity: 0; }
  100% { r: 15; opacity: 0; }
}

@keyframes df-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes df-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(220%); }
}

@keyframes df-fade-up {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@keyframes df-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

@keyframes df-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes df-radar-pulse {
  0% { transform: scale(0.85); opacity: 0.55; }
  70% { transform: scale(1.55); opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}

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

  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}