:root {
  color-scheme: light;
  --ink: #20231f;
  --muted: #525d60;
  --red: #e22630;
  --danger: #b42318;
  --danger-surface: #fff1f1;
  --success: #2f7d45;
  --success-surface: #eaf4ed;
  --sky: #f1faff;
  --line: #d0dce1;
  --link: #194fb8;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}
a {
  color: var(--link);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 5px;
}
h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.2;
  text-wrap: balance;
}
p {
  color: var(--muted);
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
.wrap {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 12px 20px;
  background: #fff;
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 25px;
  line-height: 1.2;
  font-weight: 750;
  text-decoration: none;
  flex-shrink: 0;
}
.brand img {
  border-radius: 4px;
  flex-shrink: 0;
}
nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}
nav a:hover {
  text-decoration: underline;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 14px 28px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: #fff;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background 0.15s ease;
}
.button:hover {
  background: #394137;
  text-decoration: none;
}
.button-small {
  min-height: 44px;
  padding: 11px 18px;
  font-size: 14px;
}

.hero {
  padding-block: 52px 56px;
  text-align: center;
}
h1 {
  max-width: 960px;
  margin-inline: auto;
  font-size: 60px;
  font-weight: 800;
}
.hero-copy {
  max-width: 720px;
  margin: 20px auto 32px;
  font-size: 20px;
  line-height: 1.6;
}
.icon {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.danger-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 960px;
  margin: 0 auto 24px;
  padding: 0;
  list-style: none;
  text-align: left;
}
.danger-list li {
  display: flex;
  gap: 14px;
  min-height: 124px;
  padding: 20px;
  border: 1px solid #f0c6c6;
  border-radius: 5px;
  background: var(--danger-surface);
  color: var(--danger);
}
.danger-list strong,
.danger-list small {
  display: block;
}
.danger-list strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.35;
}
.danger-list small {
  margin-top: 6px;
  color: #5f4947;
  font-size: 14px;
  line-height: 1.45;
}
.remedy {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto 28px;
  padding: 24px 28px;
  border: 1px solid #bfdec7;
  border-radius: 5px;
  background: var(--success-surface);
  text-align: left;
}
.remedy-icon {
  width: 36px;
  height: 36px;
  color: var(--success);
}
.remedy h2 {
  font-size: 22px;
}
.remedy p {
  margin-top: 4px;
  font-size: 15px;
}
.remedy-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 !important;
  color: var(--success) !important;
  font-weight: 650;
  white-space: nowrap;
}
.remedy-status .icon {
  width: 20px;
  height: 20px;
}
.product h2 {
  margin-bottom: 16px;
  font-size: 28px;
}
.screenshot {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f4f5f1;
}
.screenshot img {
  width: 100%;
}
figcaption {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
}
figcaption a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-left: 8px;
}

.section {
  padding-block: 56px 0;
}
.section-heading {
  font-size: 32px;
  text-align: center;
}
.section-heading::before,
.band-heading::before {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin: 0 auto 24px;
  background: var(--red);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 64px;
  counter-reset: step;
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}
.steps li {
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  display: block;
  color: var(--red);
  font-size: 44px;
  font-weight: 650;
  line-height: 1;
  margin-bottom: 18px;
}
h3,
dt {
  font-size: 21px;
  font-weight: 700;
}
.steps p {
  margin-top: 12px;
}
.section-intro {
  margin-top: 12px;
  text-align: center;
}
.rules {
  padding-bottom: 56px;
}
.rule-examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 64px;
  row-gap: 28px;
  max-width: 960px;
  margin: 32px auto 0;
}
.rule-examples .brand-rule {
  grid-row: span 2;
  border-right: 1px solid var(--line);
  padding-right: 48px;
}
dd {
  color: var(--muted);
  margin-top: 4px;
}

.contact-band {
  background: var(--sky);
  padding-block: 44px;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.band-heading {
  font-size: 26px;
  margin-bottom: 14px;
}
.band-heading::before {
  width: 40px;
  height: 3px;
  margin: 0 0 20px;
}
.contact {
  border-left: 1px solid var(--line);
  padding-left: 64px;
  min-width: 0;
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  min-height: 48px;
  padding: 12px 8px 12px 0;
  font-size: 15px;
}
details[open] summary {
  font-weight: 650;
}
details p {
  padding: 0 12px 20px 18px;
  font-size: 15px;
}
.google-form {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 850px;
  margin-block: 20px 12px;
  border: 0;
  background: #fff;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding-block: 32px;
}
.site-footer > div {
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-footer .brand {
  font-size: 19px;
  gap: 8px;
}
.site-footer p {
  padding-left: 24px;
  border-left: 1px solid var(--line);
  font-size: 13px;
}
.site-footer p span {
  font-size: 12px;
}
.site-footer nav {
  gap: 24px;
}

@media (min-width: 1500px) {
  .hero {
    padding-top: 40px;
  }
}
@media (max-width: 900px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .site-header {
    flex-wrap: wrap;
    padding-block: 20px;
  }
  .site-header nav {
    gap: 20px;
  }
  .brand {
    font-size: 22px;
  }
  h1 {
    font-size: 60px;
  }
  .steps {
    gap: 28px;
  }
  .contact-layout {
    gap: 32px;
  }
  .contact {
    padding-left: 32px;
  }
  .rule-examples {
    column-gap: 32px;
  }
  .site-footer {
    flex-wrap: wrap;
  }
}
@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    gap: 16px;
    padding-block: 20px 8px;
  }
  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }
  .site-header nav a {
    font-size: 12px;
  }
  .button-small {
    padding: 10px;
  }
  .hero {
    padding-block: 36px 36px;
  }
  h1 {
    font-size: 40px;
  }
  .hero-copy {
    font-size: 17px;
    margin: 18px auto 24px;
  }
  .danger-list {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 16px;
  }
  .danger-list li {
    min-height: 0;
    padding: 14px;
  }
  .remedy {
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 20px;
  }
  .remedy h2 {
    font-size: 20px;
  }
  .remedy-status {
    grid-column: 1 / -1;
  }
  .product h2 {
    font-size: 24px;
  }
  figcaption {
    font-size: 13px;
  }
  figcaption a {
    margin-left: 0;
  }
  .section {
    padding-top: 44px;
  }
  .section-heading {
    font-size: 28px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 32px;
  }
  .steps li {
    position: relative;
    padding-left: 52px;
  }
  .steps li::before {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 36px;
  }
  h3,
  dt {
    font-size: 20px;
  }
  .steps p {
    margin-top: 8px;
  }
  .rule-examples {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .rule-examples .brand-rule {
    grid-row: auto;
    border-right: 0;
    padding-right: 0;
  }
  .rules {
    padding-bottom: 40px;
  }
  .contact-band {
    padding-block: 36px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact {
    border-left: 0;
    padding-left: 0;
  }
  .band-heading {
    font-size: 25px;
  }
  .site-footer {
    gap: 12px;
  }
  .site-footer > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .site-footer p {
    padding-left: 0;
    border: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}
@media print {
  .site-header nav,
  .skip-link,
  .hero .button,
  .site-footer nav {
    display: none;
  }
  .wrap {
    width: 100%;
  }
  .screenshot img {
    min-width: 0;
  }
  .contact-band {
    background: #fff;
  }
  details::details-content {
    content-visibility: visible;
  }
}