@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-400-ext.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-400i.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-400i-ext.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-600-ext.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-700-ext.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-400-ext.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-600-ext.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-700-ext.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --ink: #15233f;
  --ink-2: #3a4660;
  --violet: #4a2d73;
  --violet-2: #6e4d9a;
  --paper: #f6f1e8;
  --paper-2: #fffdf8;
  --cream: #efe6d4;
  --line: #d5cbb8;
  --white: #ffffff;
  --amber: #b45f0a;
  --amber-bright: #e8901a;
  --mark-orange: #e3941d;
  --mark-green: #6dae3a;
  --mark-blue: #2a4fad;
  --glow: rgba(92, 64, 140, 0.16);
  --danger: #7a2a2a;
  --ok: #2f6b32;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --measure: 68ch;
  --header-h: 5.1rem;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 640px at 88% -10%, rgba(232, 214, 168, 0.42), transparent 58%),
    radial-gradient(900px 520px at -8% 12%, rgba(196, 188, 226, 0.28), transparent 52%),
    linear-gradient(180deg, #f8f3e9 0%, #f3eee4 42%, #efe8d8 100%);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.7;
  min-height: 100vh;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--violet);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--mark-blue);
}

:focus-visible {
  outline: 3px solid var(--mark-orange);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper-2);
  font-family: var(--sans);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(246, 241, 232, 0.82);
  border-bottom: 1px solid rgba(21, 35, 63, 0.08);
}

.header-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.brand img,
.brand svg {
  width: 2.1rem;
  height: 1.92rem;
}

.brand-word {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.95rem;
  color: var(--amber);
}

.nav-toggle {
  margin-left: auto;
  display: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: 0.5rem;
  flex: 1;
}

.site-nav a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a.is-active {
  color: var(--violet);
  box-shadow: inset 0 -2px 0 var(--mark-orange);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.28rem 0.4rem 0.28rem 0.7rem;
  min-width: 13rem;
}

.header-search input {
  border: 0;
  background: transparent;
  font-family: var(--sans);
  font-size: 0.92rem;
  width: 100%;
  color: var(--ink);
}

.header-search input:focus {
  outline: none;
}

.header-search button,
.btn {
  font-family: var(--sans);
  border: 0;
  cursor: pointer;
}

.header-search button {
  background: var(--ink);
  color: var(--paper-2);
  padding: 0.4rem 0.7rem;
  font-weight: 600;
  font-size: 0.82rem;
}

.icon-link {
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
}

.icon-link[data-count]::after {
  content: attr(data-count);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--amber);
  margin-left: 0.1rem;
}

.wrap {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: 2rem;
  padding: 2.2rem 0 2.4rem;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 1.5rem;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 1.2rem;
  max-width: 14ch;
}

.lede,
.hero-lede {
  font-size: 1.25rem;
  color: var(--ink-2);
  max-width: 38ch;
  margin: 0 0 1.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper-2);
  text-decoration: none;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 0 0 1px var(--ink), 0 10px 30px rgba(21, 35, 63, 0.18);
}

.btn-primary:hover {
  color: var(--paper-2);
  transform: translateY(-1px);
}

.btn-ghost {
  font-family: var(--sans);
  color: var(--violet);
  font-weight: 600;
  text-decoration: none;
}

.hero-art {
  position: relative;
  min-height: 28rem;
  align-self: stretch;
}

.hero-art svg,
.hero-art .sky-frame {
  position: absolute;
  inset: -8% -6% 0 auto;
  width: min(42rem, 100%);
  height: 100%;
}

.featured-pull {
  position: relative;
  z-index: 2;
  margin: 0 0 3rem;
  width: 100%;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 1.35rem 1.5rem;
  box-shadow: none;
}

.featured-pull p {
  margin: 0.35rem 0 0;
}

.section {
  padding: 1.2rem 0 4.2rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.6rem;
}

.section-head h2,
.page-intro h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0;
}

.page-intro {
  padding: 2.6rem 0 1.4rem;
  max-width: 46rem;
}

.page-intro .lede {
  font-size: 1.2rem;
}

.constellation {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 1.1rem 1.8rem;
  padding: 0.5rem 0 1rem;
}

.constellation a {
  text-decoration: none;
  color: var(--ink);
  display: block;
  max-width: 16rem;
}

.constellation a strong {
  display: block;
  font-size: 1.4rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.constellation a span {
  display: block;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-top: 0.25rem;
}

.constellation a:hover strong {
  color: var(--violet);
}

.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;
}

.hub-band {
  position: relative;
  margin: 0 0 1.4rem;
  padding: 2.2rem 2rem 2rem;
  overflow: hidden;
  min-height: 16rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.hub-band.naturais {
  background:
    radial-gradient(520px 220px at 88% 20%, rgba(227, 148, 29, 0.22), transparent 55%),
    linear-gradient(115deg, #e7eef8 0%, #f7f1e4 62%);
}

.hub-band.espaciais {
  background:
    radial-gradient(420px 240px at 10% 80%, rgba(74, 45, 115, 0.2), transparent 50%),
    linear-gradient(160deg, #ece6f6, #f8f4ea);
}

.hub-band.cotidiano {
  background:
    radial-gradient(380px 200px at 90% 90%, rgba(109, 174, 58, 0.18), transparent 50%),
    linear-gradient(180deg, #f3efe4, #eef3ea);
}

.hub-band:hover h2 {
  color: var(--violet);
}

.hub-band h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.hub-band p {
  margin: 0 0 1rem;
  max-width: 40ch;
  color: var(--ink-2);
}

.crumbs {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
  padding: 1.2rem 0 0;
}

.crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0;
  margin: 0;
}

.crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--line);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0 0 1.5rem;
  align-items: center;
}

.toolbar label {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-2);
}

.toolbar select {
  font-family: var(--sans);
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  padding: 0.45rem 0.6rem;
}

.guide-index {
  display: grid;
  gap: 0;
}

.guide-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr auto;
  gap: 1.2rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  align-items: start;
}

.guide-row:hover h2,
.guide-row:hover h3 {
  color: var(--violet);
}

.guide-row .meta {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0.2rem 0 0;
}

.guide-row h2,
.guide-row h3 {
  font-size: 1.4rem;
  margin: 0 0 0.3rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.guide-row p {
  margin: 0;
  color: var(--ink-2);
  font-size: 1rem;
}

.level-tag {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
}

.guide-hero {
  padding: 1.6rem 0 1.2rem;
  max-width: 46rem;
}

.guide-hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0.2rem 0 0.9rem;
}

.guide-meta {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink-2);
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
}

.fav-btn {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

.fav-btn.is-on {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 0 1px rgba(180, 95, 10, 0.2);
}

.guide-layout {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 3rem;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  font-family: var(--sans);
  font-size: 0.88rem;
  padding: 0.4rem 0 1rem;
}

.toc strong {
  display: block;
  margin-bottom: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--violet);
}

.toc a {
  display: block;
  color: var(--ink-2);
  text-decoration: none;
  padding: 0.22rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.7rem;
}

.toc a:hover,
.toc a.is-active {
  color: var(--ink);
  border-left-color: var(--mark-orange);
}

.guide-body {
  max-width: var(--measure);
}

.guide-body h2 {
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  margin: 2.4rem 0 0.8rem;
}

.guide-body p {
  margin: 0 0 1rem;
}

.guide-body .intro-p:first-of-type::first-letter {
  float: left;
  font-size: 3.3rem;
  line-height: 0.8;
  padding: 0.12rem 0.45rem 0 0;
  color: var(--violet);
  font-weight: 700;
}

.diagram {
  margin: 1.4rem 0 1.6rem;
  background:
    radial-gradient(420px 180px at 20% 0%, rgba(227, 148, 29, 0.12), transparent 50%),
    var(--paper-2);
  border: 1px solid var(--line);
  padding: 1rem;
}

.diagram figcaption {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-top: 0.6rem;
}

.formula {
  margin: 1.3rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--violet);
  background: linear-gradient(90deg, rgba(74, 45, 115, 0.06), transparent 70%);
}

.formula .eq {
  font-size: 1.25rem;
  margin: 0 0 0.7rem;
}

.formula dl {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.25rem 0.7rem;
  margin: 0;
  font-family: var(--sans);
  font-size: 0.92rem;
}

.formula dt {
  font-weight: 700;
}

.formula dd {
  margin: 0;
  color: var(--ink-2);
}

.safety {
  margin: 1.3rem 0;
  padding: 0.95rem 1rem;
  border: 1px solid #e2c6c6;
  background: #fff6f4;
  font-family: var(--sans);
  font-size: 0.98rem;
}

.safety strong {
  color: var(--danger);
}

.note-list,
.guide-body ul,
.guide-body ol {
  padding-left: 1.15rem;
}

.guide-body li {
  margin: 0.3rem 0;
}

.source-list {
  font-family: var(--sans);
  font-size: 0.95rem;
}

.related {
  padding: 2rem 0 4rem;
}

.related h2 {
  font-size: 1.8rem;
  margin: 0 0 1rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.related-grid a {
  text-decoration: none;
  color: inherit;
  display: block;
  padding-top: 1rem;
  border-top: 2px solid var(--ink);
}

.related-grid a span {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--violet);
}

.related-grid a strong {
  display: block;
  font-size: 1.35rem;
  margin-top: 0.4rem;
  letter-spacing: -0.03em;
}

.prose {
  max-width: var(--measure);
}

.prose h2 {
  font-size: 1.6rem;
  margin: 2rem 0 0.7rem;
}

.glossary-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.5rem;
}

.glossary-index a {
  font-family: var(--sans);
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  color: var(--ink);
}

.glossary-term {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.glossary-term h2 {
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
}

.search-panel input[type="search"] {
  width: min(36rem, 100%);
  font-family: var(--serif);
  font-size: 1.4rem;
  padding: 0.7rem 0.2rem;
  border: 0;
  border-bottom: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
}

.search-panel input:focus {
  outline: none;
}

.search-empty,
.muted {
  color: var(--ink-2);
}

.contact-box {
  margin: 1.4rem 0;
  padding: 1.2rem 1.3rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  max-width: 32rem;
}

.contact-box a {
  font-weight: 700;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #efe8d8;
  padding: 2.4rem 0 2rem;
  font-family: var(--sans);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.6rem;
}

.site-footer h2 {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.7rem;
  color: var(--violet);
}

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

.site-footer li {
  margin: 0.28rem 0;
}

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

.site-footer a:hover {
  color: var(--violet);
}

.footer-note {
  margin: 2rem 0 0;
  color: var(--ink-2);
}

.err-page {
  min-height: 70vh;
  padding: 4rem 0;
}

.err-page h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin: 0 0 0.4rem;
  letter-spacing: -0.04em;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav,
  .header-tools {
    display: none;
  }

  .site-header.is-open .site-nav,
  .site-header.is-open .header-tools {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0 0 1rem;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .hero,
  .guide-layout,
  .hub-band,
  .related-grid,
  .footer-grid,
  .guide-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 1.4rem;
  }

  .hero-art {
    min-height: 16rem;
    order: -1;
  }

  .featured-pull {
    margin-top: 0;
  }

  .guide-row .level-tag {
    justify-self: start;
  }

  .toc {
    position: static;
  }
}

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

  .btn-primary:hover {
    transform: none;
  }
}