@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans-400.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans-600.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink: #f5f4ff;
  --muted: #b7b7cf;
  --blue: #a1c0ff;
  --electric: #6898ff;
  --violet: #c7a8ff;
  --line: #283754;
  --base: #080a18;
  --accent: #b991ff;
  --surface: #10172a;
  font-family: "DM Sans", system-ui, sans-serif;
  background: var(--base);
  color: var(--ink);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse 43rem 33rem at 84% 16rem, #102450 0%, transparent 90%),
    radial-gradient(ellipse 40rem 37rem at 0 24rem, #17152d 0%, transparent 84%),
    var(--base);
  line-height: 1.55;
}

a { color: inherit; }
p, h1, h2, h3, figure, dl, dd { margin: 0; }
button, input { font: inherit; }

:focus-visible {
  outline: 2px solid #d9c3ff;
  outline-offset: 5px;
}

main, section { scroll-margin-top: 1.5rem; }

.shell {
  width: min(73rem, calc(100% - 5rem));
  margin-inline: auto;
}

.symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  flex: none;
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 1;
  padding: 0.6rem 1rem;
  background: var(--base);
  transform: translateY(-160%);
}

.skip:focus { transform: none; }

.site-header { border-bottom: 1px solid #86a4d826; }

.header-row, .brand, nav, .header-cta {
  display: flex;
  align-items: center;
}

.header-row {
  min-height: 4.75rem;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  gap: 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

.brand img { flex: none; }

nav {
  gap: clamp(0.8rem, 3vw, 2.5rem);
  font-size: 0.9rem;
}

nav > a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

nav > a:hover { color: var(--ink); }

.header-cta {
  gap: 0.5rem;
  border: 1px solid #6296ff70;
  border-radius: 999px;
  padding: 0.55rem 0.85rem 0.55rem 1rem;
  color: #c8dcff;
}

.header-cta:hover { background: #6296ff1a; }
.header-cta .icon { width: 1rem; height: 1rem; }

.hero {
  display: grid;
  grid-template-areas: "copy art" "actions art";
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  align-items: center;
  column-gap: clamp(1.5rem, 5vw, 4.25rem);
  padding-block: clamp(3.75rem, 8vw, 6.6rem) clamp(2.8rem, 6vw, 4.6rem);
}

.hero-copy { grid-area: copy; align-self: end; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.signal {
  width: 0.48rem;
  height: 0.48rem;
  flex: none;
  border-radius: 50%;
  background: #7aa5ff;
  box-shadow: 0 0 0 5px #6296ff23, 0 0 14px #6296ffa0;
}

h1 {
  margin: 1.2rem 0 1.5rem -0.065em;
  font-size: clamp(4.1rem, 8.6vw, 8rem);
  font-weight: 600;
  letter-spacing: -0.085em;
  line-height: 0.89;
}

h1 span {
  display: inline-block;
  padding-right: 0.12em;
  padding-bottom: 0.13em;
  margin-bottom: -0.13em;
  color: #c8adff;
  background: linear-gradient(105deg, #efe8ff 3%, #c8a9ff 57%, #9f9dfa 100%);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-message {
  max-width: 30ch;
  color: var(--muted);
  font-size: clamp(1.07rem, 2vw, 1.25rem);
}

.hero-actions {
  grid-area: actions;
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.45rem;
  margin-top: 1.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3rem;
  padding: 0.65rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms, border-color 160ms;
}

.primary { background: var(--accent); color: #170c2b; }
.primary:hover { background: #d0afff; }
.button:disabled { opacity: 0.65; cursor: default; }

.text-link {
  color: #d0cee1;
  font-size: 0.93rem;
  text-decoration-color: #758eb7;
  text-underline-offset: 0.3em;
}

.text-link:hover { color: #fff; }

.hero-art { grid-area: art; min-width: 0; }

.poster {
  position: relative;
  overflow: hidden;
  border: 1px solid #6b97e06e;
  border-radius: 1.4rem;
  background: #070c1c;
  box-shadow: 0 24px 85px #05030c99, 0 0 60px #3268ce33;
}

.poster::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(145deg, #659bff24, transparent 36%, transparent 73%, #487fe523);
  content: "";
}

.poster img {
  display: block;
  width: 100%;
  height: auto;
}

figcaption {
  display: flex;
  justify-content: flex-end;
  padding: 0.7rem 0.1rem 0;
}

figcaption a {
  display: inline-flex;
  gap: 0.25rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
}

figcaption a:hover { color: var(--ink); }
figcaption .icon { width: 0.9rem; height: 0.9rem; }

.fact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  padding: 1.15rem 0;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: #121a30dc;
}

.fact {
  --fact-inset: clamp(0.9rem, 2.6vw, 1.9rem);
  --fact-icon-size: 2.65rem;
  --fact-icon-gap: 0.9rem;
  position: relative;
  align-content: center;
  padding-block: 0.5rem;
  padding-inline: calc(var(--fact-inset) + var(--fact-icon-size) + var(--fact-icon-gap)) var(--fact-inset);
}

.fact + .fact { border-left: 1px solid var(--line); }

.icon-box {
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  flex: none;
  border: 1px solid #a787ed45;
  border-radius: 0.75rem;
  color: var(--violet);
  background: #221b39;
}

.icon-box-blue {
  border-color: #6296ff57;
  color: var(--electric);
  background: #0c1c39;
}

.fact .icon-box {
  position: absolute;
  top: 50%;
  inset-inline-start: var(--fact-inset);
  width: var(--fact-icon-size);
  height: var(--fact-icon-size);
  transform: translateY(-50%);
}

.fact dt {
  color: var(--blue);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact dd { font-size: clamp(0.9rem, 1.55vw, 1.11rem); font-weight: 600; }
.fact dd span { display: block; color: var(--muted); font-size: 0.85rem; font-weight: 400; }

.fact-schedule dd {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: clamp(0.84rem, 1.45vw, 1.03rem);
}

.fact-schedule time {
  flex: none;
  min-width: 2.15em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.attractions {
  margin-top: clamp(3rem, 7vw, 5.25rem);
  padding-block: clamp(2.8rem, 7vw, 5.5rem);
  border-top: 1px solid #76d8ff57;
  background:
    url("assets/ondas-piscina.svg") top right / min(64rem, 100%) auto no-repeat,
    linear-gradient(132deg, #0b2244, #123a64 65%, #104c64);
}

.pool-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(1.4rem, 4vw, 3.5rem);
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.pool-header .eyebrow { color: #9aebef; }
.pool-header h2 { margin-top: 0.5rem; font-size: clamp(2.85rem, 6.9vw, 6rem); }

.pool-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: fit-content;
  margin-top: 1.25rem;
  padding: 0.6rem 0.9rem 0.6rem 0.6rem;
  border: 1px solid #9aebef70;
  border-radius: 0.85rem;
  background: #0b2b49;
  color: #e2fbff;
  font-weight: 600;
}

.pool-photo img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #9aebef70;
  border-radius: 1.15rem;
}

.pool-photo figcaption a { color: #d5edf9; }
.pool-photo figcaption a:hover { color: #fff; }

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

.attraction {
  padding: clamp(1.25rem, 3.3vw, 2.25rem);
  border: 1px solid #839bdf5e;
  border-radius: 1.15rem;
  background: linear-gradient(135deg, #1c223d, #132747 88%);
}

.attraction + .attraction {
  border-color: #a3dcff63;
  background: linear-gradient(135deg, #122c50, #102741 88%);
}

.attraction-heading {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.attraction h3 {
  font-size: clamp(1.25rem, 2.8vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.attraction ul {
  margin: 1rem 0 0;
  padding-inline-start: 1.1rem;
  color: #d2def2;
}

.attraction li + li { margin-top: 0.35rem; }
.attraction li::marker { color: var(--blue); }

.location {
  color-scheme: light;
  padding-block: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(110deg, #edf4e5, #d8e8d0);
  color: #173b2c;
}

.location-layout {
  display: grid;
  grid-template-areas: "intro gallery" "links gallery";
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: center;
  column-gap: clamp(1.6rem, 6vw, 5rem);
}

.location-copy { grid-area: intro; align-self: end; }

.venue-art {
  grid-area: gallery;
  padding: clamp(0.75rem, 2vw, 1.2rem);
  border: 1px solid #a6bea0;
  border-radius: 1.25rem;
  background: #c5dbba url("assets/folhagem.svg") center / cover no-repeat;
}

.venue-photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.venue-photos img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.7rem;
}

.venue-art figcaption {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.venue-art figcaption a { color: #244e38; }
.venue-art figcaption a:hover { color: #173b2c; text-decoration: underline; }

.venue-logo {
  display: block;
  width: clamp(4.5rem, 9vw, 6rem);
  height: auto;
  padding: 0.2rem;
  border: 1px solid #96b38f;
  border-radius: 0.6rem;
  background: #fff;
}

h2 {
  font-weight: 600;
  font-size: clamp(2rem, 4.35vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.065em;
}

.location h2, .presence h2 { margin: 0.6rem 0 1.1rem; }
.location h2 { font-size: clamp(3rem, 6.8vw, 6rem); }
.location .eyebrow { color: #356346; }
.location :focus-visible { outline-color: #265a40; }
.location address { color: #365544; font-style: normal; }
.venue-map { margin-top: 1.5rem; background: #214d37; color: #f6fcf2; }
.venue-map:hover { background: #32634a; }

.venue-links {
  grid-area: links;
  align-self: start;
  margin-top: 1.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid #66886870;
}

.venue-links summary {
  padding-block: 0.3rem;
  color: #244e38;
  font-weight: 600;
  cursor: pointer;
}

.venue-links ul {
  display: grid;
  gap: 0.25rem 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(9.25rem, 100%), 1fr));
  margin: 0.55rem 0 0;
  padding: 0;
  list-style: none;
}

.venue-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding-block: 0.4rem;
  color: #365544;
  font-size: 0.88rem;
  text-underline-offset: 0.2em;
}

.venue-links a:hover { color: #173b2c; }
.venue-links .icon { width: 0.85rem; height: 0.85rem; }

.reminder {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-block: clamp(2rem, 5vw, 4rem);
  padding: clamp(1rem, 2.5vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
}

.reminder h2 {
  margin-bottom: 0.25rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.reminder p { color: var(--muted); font-size: 0.98rem; }
.reminder strong { color: var(--ink); }

.presence {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.8rem 3rem;
  align-items: start;
  padding: clamp(1.5rem, 5vw, 3.8rem);
  border: 1px solid #38537c;
  border-radius: 1.2rem;
  background: radial-gradient(ellipse at 0 100%, #172953, transparent 72%), var(--surface);
}

.presence-copy > p:last-child { max-width: 35ch; color: var(--muted); }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: 0.65rem; padding: 0; font-weight: 600; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 0.55rem; }

.choices label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #4c5b79;
  border-radius: 0.55rem;
  cursor: pointer;
}

.choices label:has(input:checked) { border-color: var(--violet); background: #2d1d4d; }
.choices input { flex: none; margin: 0; accent-color: var(--accent); }
.submit { width: 100%; margin-top: 0.7rem; }
.preview-note, .result { margin-top: 0.6rem; color: var(--muted); font-size: 0.84rem; }
.result { color: #e0c8ff; }
.result:empty { margin: 0; }

.message-board { margin-top: 1rem; }

.message-field {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.message-field + .message-field { margin-top: 0.9rem; }

.message-field input, .message-field textarea {
  min-width: 0;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #4c5b79;
  border-radius: 0.55rem;
  background: var(--base);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}

.message-field textarea { min-height: 8rem; resize: vertical; }

.emoji-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.emoji-bar button {
  display: grid;
  place-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  border: 1px solid #4c5b79;
  border-radius: 0.55rem;
  background: var(--base);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.emoji-bar button:hover { background: #1b2b4a; }

.emoji-options summary {
  min-height: 2.75rem;
  padding-block: 0.6rem;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.emoji-category { color: var(--muted); font-size: 0.85rem; }
.emoji-bar + .emoji-category { margin-top: 0.8rem; }
.emoji-options .emoji-bar { margin-top: 0.35rem; }

.message-feed {
  grid-column: 1 / -1;
  min-width: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.message-feed ul {
  display: grid;
  gap: 0.75rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.posted-message {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--base);
  overflow-wrap: anywhere;
}

.posted-message strong { color: var(--blue); }
.posted-message p { margin-top: 0.25rem; white-space: pre-wrap; }

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  padding-block: 1.35rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-credit-row {
  display: flex;
  flex-basis: 100%;
  justify-content: flex-end;
  margin-top: 0.4rem;
}

.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 1.5rem;
  font-size: 0.75rem;
  text-decoration: none;
}

.footer-credit img { width: 6rem; height: auto; }
.footer-credit:hover { text-decoration: underline; text-underline-offset: 0.2em; }

@media (max-width: 840px) {
  .shell { width: min(73rem, calc(100% - 3rem)); }
  .hero { column-gap: 1.5rem; }
  .fact { --fact-icon-gap: 0.55rem; --fact-icon-size: 2.2rem; }
}

@media (max-width: 680px) {
  .shell { width: min(32rem, calc(100% - 2rem)); }
  .header-row { min-height: 3.7rem; gap: 0.5rem; }
  .header-row .brand { min-height: 2.75rem; gap: 0.45rem; white-space: nowrap; }
  .header-row .brand img { width: 2.15rem; height: auto; }
  nav .nav-details { display: none; }
  .header-cta { min-height: 2.75rem; padding-inline: 0.65rem; font-size: 0.81rem; white-space: nowrap; }

  .hero {
    grid-template-areas: "copy art" "actions actions";
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
    gap: 0.8rem clamp(0.7rem, 3.5vw, 1.2rem);
    padding-block: clamp(1.4rem, 5vw, 2.5rem) 1.5rem;
  }

  .hero-copy { align-self: center; }
  .hero .eyebrow { gap: 0.45rem; font-size: 0.66rem; letter-spacing: 0.11em; }
  .hero .signal { width: 0.36rem; height: 0.36rem; }
  h1 { margin-block: 0.7rem 0.85rem; font-size: clamp(2.1rem, 11vw, 4rem); }
  .hero-message { font-size: 0.94rem; line-height: 1.45; }
  .poster { border-radius: 1rem; }

  .hero-art figcaption { padding-top: 0; }
  .hero-art figcaption a { min-height: 2.75rem; font-size: 0.75rem; }

  .hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.55rem;
    margin-top: 0;
  }

  .hero-actions .button { padding-inline: 0.6rem; }
  .hero-actions .text-link {
    display: grid;
    place-items: center;
    min-height: 3rem;
    padding-inline: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    text-decoration: none;
  }

  .fact-grid {
    grid-template-areas: "date venue" "schedule schedule";
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0;
  }

  .fact { align-content: start; padding: 0.8rem; }
  .fact + .fact { border-left: 0; }
  .fact-date { grid-area: date; }
  .fact.fact-venue { grid-area: venue; border-left: 1px solid var(--line); }
  .fact dt { display: flex; align-items: center; gap: 0.45rem; margin-bottom: 0.35rem; }
  .fact .icon-box { position: static; width: 1.65rem; height: 1.65rem; transform: none; border-radius: 0.45rem; }
  .fact .icon { width: 0.95rem; height: 0.95rem; }
  .fact dd { font-size: 0.94rem; line-height: 1.35; }
  .fact dd span { margin-top: 0.15rem; font-size: 0.78rem; }

  .fact-schedule {
    grid-area: schedule;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem 0.25rem;
    border-top: 1px solid var(--line);
  }

  .fact-schedule dt { grid-column: 1 / -1; }
  .fact-schedule dd { display: grid; gap: 0.1rem; justify-items: start; font-size: 0.79rem; }
  .fact-schedule time { min-width: 0; font-size: 1.25rem; }
  .fact-schedule dd + dd { border-left: 1px solid var(--line); padding-left: 0.55rem; }

  .pool-header, .attraction-grid, .location-layout, .presence { grid-template-columns: 1fr; }
  .attractions { margin-top: 2rem; padding-block: 2.3rem; }
  .pool-header { gap: 1rem; margin-bottom: 0.9rem; }
  .pool-header h2 { font-size: clamp(2.35rem, 10vw, 3.6rem); }
  .pool-note { margin-top: 0.85rem; }
  .pool-photo img { aspect-ratio: 16 / 10; object-fit: cover; object-position: center 60%; }
  .pool-photo figcaption { padding-top: 0; }
  .pool-photo figcaption a, .venue-art figcaption a { min-height: 2.75rem; }
  .attraction-grid { gap: 0; border: 1px solid #839bdf5e; border-radius: 1rem; background: #102741; }
  .attraction, .attraction + .attraction { border: 0; border-radius: 0; background: none; padding: 1rem; }
  .attraction + .attraction { border-top: 1px solid #839bdf5e; }
  .attraction .icon-box { width: 2.25rem; height: 2.25rem; }
  .attraction ul { margin-top: 0.65rem; }

  .location { padding-block: 2.4rem; }
  .location-layout { grid-template-areas: "intro" "gallery" "links"; gap: 1rem; }
  .location h2 { font-size: clamp(2.75rem, 11vw, 3.8rem); }
  .venue-map { width: 100%; margin-top: 1rem; }
  .venue-links { margin-top: 0; padding-top: 0.3rem; }
  .venue-links summary, .venue-links li a { min-height: 2.75rem; }
  .venue-links summary { padding-block: 0.6rem; }

  .reminder { margin-block: 1.5rem; }
  .presence { gap: 1.1rem; padding: 1.1rem; }
  .presence h2 { margin-block: 0.4rem 0.6rem; }
  .choices label, .message-field input { min-height: 3rem; }

  .footer { display: grid; justify-content: stretch; gap: 0.45rem; }
  .footer > p { padding-left: 2.65rem; }
  .footer-credit-row { justify-content: center; }
  .footer-credit { min-height: 2.75rem; }
}

@media (max-width: 355px) {
  .header-cta { font-size: 0.78rem; }
  .header-cta-detail { display: none; }
  .brand { font-size: 0.82rem; gap: 0.35rem; }
  .hero-actions .button, .hero-actions .text-link { font-size: 0.86rem; }
  .hero-actions .button { gap: 0.4rem; }
  .hero-actions .button .icon { width: 1rem; height: 1rem; }
  .hero-actions .text-link { padding-inline: 0.55rem; }
  .fact-schedule { grid-template-columns: minmax(0, 0.9fr) minmax(0, 0.9fr) minmax(0, 1.2fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}