/* Canonical source: /shared/base.css. The copies at sites/*/css/base.css are byte-identical mirrors made with cp. Edit here, then re-copy. */

/* This file holds zero literal colors, font names, or brand values.
   Every visual value arrives from a custom property that a per-site
   site.css defines before this stylesheet is applied. Load order in
   HTML is: base.css first, then site.css. */

/* ---------------------------------------------------------------
   a. Reset and element defaults
   --------------------------------------------------------------- */

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol {
  margin: 0;
}

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

body {
  background: var(--color-bg-0);
  color: var(--color-text-0);
  font-family: var(--font-body);
  font-size: var(--type-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  text-wrap: balance;
}

/* The aviana site sets --display-weight to 400 because its serif ships
   one weight and synthetic bold would smear the strokes. */
h1 {
  font-weight: var(--display-weight, 600);
  font-size: var(--type-h1);
}

h2 {
  font-size: var(--type-h2);
  font-weight: var(--display-weight, 600);
}

h3,
h4 {
  font-size: var(--type-body);
  font-weight: 600;
}

ul,
ol {
  padding-left: 0;
}

/* ---------------------------------------------------------------
   b. Skip link
   --------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 999;
}

.skip-link:focus,
.skip-link:focus-visible {
  left: var(--space-4);
  top: var(--space-4);
  width: auto;
  height: auto;
  overflow: visible;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-bg-0);
  font-family: var(--font-body);
  font-size: var(--type-small);
  font-weight: 600;
  text-decoration: none;
}

/* ---------------------------------------------------------------
   c. Container
   --------------------------------------------------------------- */

.container {
  width: var(--container);
  margin-inline: auto;
}

/* ---------------------------------------------------------------
   d. Nav
   --------------------------------------------------------------- */

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 600);
  color: var(--color-text-0);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-brand:hover {
  text-decoration: none;
}

.nav-crumb {
  color: var(--color-text-2);
  font-size: var(--type-small);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--type-small);
}

.nav-links a {
  color: var(--color-text-1);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ---------------------------------------------------------------
   e. Hero
   --------------------------------------------------------------- */

.hero {
  padding-block: var(--space-12) var(--space-10);
}

@media (min-width: 40em) {
  .hero {
    padding-block: var(--space-20) var(--space-16);
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--type-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 var(--space-4);
}

.hero h1 {
  font-size: var(--type-display);
  margin: 0;
}

.lede {
  color: var(--color-text-1);
  font-size: var(--type-body);
  max-width: var(--prose);
  margin-top: var(--space-6);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ---------------------------------------------------------------
   f. Pill
   --------------------------------------------------------------- */

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--type-small);
  color: var(--color-text-1);
}

/* ---------------------------------------------------------------
   g. Section
   --------------------------------------------------------------- */

.section {
  padding-block: var(--space-16);
}

@media (min-width: 64em) {
  .section {
    padding-block: var(--space-20);
  }
}

.section-header {
  margin-bottom: var(--space-10);
}

.section-header h2 {
  font-size: var(--type-h2);
  margin: 0;
}

.section-header .lede {
  margin-top: var(--space-4);
}

/* ---------------------------------------------------------------
   h. Cards
   --------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 40em) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--color-bg-1);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-8);
}

.card h3 {
  font-size: var(--type-body);
  font-weight: 600;
  color: var(--color-text-0);
  margin: 0;
}

.card p {
  color: var(--color-text-1);
  margin-top: var(--space-3);
}

.card .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-6);
  font-size: var(--type-small);
}

/* ---------------------------------------------------------------
   i. Stats
   --------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: left;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 40em) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-num {
  font-family: var(--font-mono);
  font-size: var(--type-h2);
  line-height: 1.15;
  color: var(--color-accent);
}

.stat-label {
  font-size: var(--type-small);
  color: var(--color-text-2);
  margin-top: var(--space-2);
}

/* ---------------------------------------------------------------
   j. Complications list
   --------------------------------------------------------------- */

.complications {
  list-style: none;
  counter-reset: item;
  max-width: var(--prose);
  margin: 0;
  padding: 0;
}

.complications > li {
  counter-increment: item;
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-line);
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 40em) {
  .complications > li {
    grid-template-columns: 3.5rem 1fr;
  }

  .complications > li::before {
    grid-column: 1;
    grid-row: 1;
  }

  .complications > li > * {
    grid-column: 2;
  }
}

.complications > li::before {
  content: counter(item, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--type-small);
  color: var(--color-accent);
}

.complications > li h4 {
  font-weight: 600;
  color: var(--color-text-0);
  margin: 0;
}

.complications > li p {
  color: var(--color-text-1);
  margin: 0;
}

.complications > li .approach {
  color: var(--color-accent-2);
  margin-top: var(--space-2);
}

.cluster-h {
  font-family: var(--font-mono);
  font-size: var(--type-eyebrow);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-2);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

/* ---------------------------------------------------------------
   k. Disclaimer
   --------------------------------------------------------------- */

.disclaimer {
  background: var(--color-bg-1);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  font-size: var(--type-small);
  color: var(--color-text-2);
}

.disclaimer p + p {
  margin-top: var(--space-3);
}

/* ---------------------------------------------------------------
   l. CTA band
   --------------------------------------------------------------- */

.cta-band {
  background: var(--color-bg-1);
  border-block: 1px solid var(--color-line);
  padding-block: var(--space-16);
  text-align: left;
}

.cta-band h2 {
  font-size: var(--type-h2);
  margin: 0;
  max-width: var(--prose);
}

.cta-band .address {
  font-family: var(--font-mono);
  font-size: var(--type-small);
  color: var(--color-text-2);
  margin-top: var(--space-8);
}

/* ---------------------------------------------------------------
   m. Footer
   --------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-10);
  font-size: var(--type-small);
  color: var(--color-text-2);
}

.footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer a {
  color: var(--color-text-2);
  text-decoration: none;
}

.footer a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer p + p,
.footer ul + p,
.footer p + ul {
  margin-top: var(--space-4);
}

/* ---------------------------------------------------------------
   n. Buttons
   --------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-bg-0);
  font-family: var(--font-body);
  font-size: var(--type-small);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--color-accent-2);
  color: var(--color-bg-0);
  text-decoration: none;
}

.btn:visited {
  color: var(--color-bg-0);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-ghost:hover,
.btn-ghost:visited:hover {
  background: transparent;
  color: var(--color-accent-2);
  border-color: var(--color-accent-2);
}

.btn-ghost:visited {
  color: var(--color-accent);
}

/* ---------------------------------------------------------------
   o. Inline links
   --------------------------------------------------------------- */

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:visited {
  color: var(--color-accent);
}

a:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------------
   p. Focus ring
   --------------------------------------------------------------- */

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

/* ---------------------------------------------------------------
   q. Reduced motion kill switch
   --------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* ---------------------------------------------------------------
   r. Utility
   --------------------------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}