*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .2s, background .2s;
}

h1, h2, h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.detail-body {
  background: #fff;
  color: #202124;
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

.detail-body :focus-visible {
  outline: 3px solid #555;
  outline-offset: 5px;
}

.detail-container {
  width: min(1200px, calc(100% - 64px));
  margin-inline: auto;
}

.detail-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid #e7e7ea;
}

.detail-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.detail-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.04em;
  color: #111;
}

.detail-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}

.detail-nav a,
.detail-toc a {
  color: #55565d;
}

.detail-nav a[aria-current],
.detail-nav a:hover,
.detail-toc a:hover {
  color: #111;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.detail-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 12px;
  background: #111;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

.detail-button:hover {
  background: #333;
}

.detail-button:active {
  transform: translateY(1px);
}

.detail-menu {
  display: none;
}

.detail-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  color: #606168;
  font-size: 13px;
}

.detail-breadcrumbs a:hover {
  text-decoration: underline;
}

.detail-hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: center;
  gap: 56px;
  padding: 40px 0 48px;
}

.detail-hero h1 {
  font-size: clamp(36px, 4.3vw, 56px);
  line-height: 1.12;
  letter-spacing: -.045em;
  color: #111;
}

.detail-hero p {
  max-width: 55ch;
  margin: 24px 0 28px;
  font-size: 18px;
  line-height: 1.65;
  color: #55565d;
}

.detail-hero > img {
  width: 100%;
  height: 330px;
  object-fit: contain;
}

.detail-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 28px 0 32px;
  border-top: 1px solid #e7e7ea;
  border-bottom: 1px solid #e7e7ea;
}

.detail-facts dt {
  margin-bottom: 6px;
  font-size: 14px;
  color: #606168;
}

.detail-facts dd {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -.025em;
}

.detail-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 80px;
  padding: 64px 0 88px;
}

.detail-toc nav {
  position: sticky;
  top: 108px;
}

.detail-toc p {
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
}

.detail-toc a {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.55;
}

.detail-content {
  max-width: 800px;
}

.detail-section {
  margin-bottom: 56px;
  scroll-margin-top: 104px;
}

.detail-content h2 {
  margin-bottom: 22px;
  color: #111;
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.25;
}

.detail-content h3 {
  margin-bottom: 8px;
  color: #202124;
  font-size: 19px;
}

.detail-content p {
  margin: 16px 0;
  color: #484950;
  line-height: 1.8;
}

.detail-content p a,
.detail-content li a,
.detail-text-link {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.detail-content ul {
  padding-left: 22px;
  list-style: disc;
  color: #484950;
}

.detail-content li {
  margin-top: 10px;
  line-height: 1.8;
}

.detail-options {
  margin: 28px 0;
  padding: 28px;
  border-radius: 16px;
  background: #f5f5f7;
}

.detail-options > div + div {
  margin-top: 24px;
}

.detail-options p {
  margin: 0;
}

.detail-steps {
  padding-left: 26px;
}

.detail-steps li {
  padding-left: 8px;
  margin-top: 24px;
}

.detail-steps li::marker {
  font-weight: 600;
}

.detail-steps p {
  margin: 0;
}

.detail-faq {
  padding: 18px 0;
  border-bottom: 1px solid #e7e7ea;
}

.detail-faq summary {
  cursor: pointer;
  font-weight: 600;
  line-height: 1.6;
}

.detail-contact {
  margin: 56px 0;
  padding: 32px;
  border-radius: 16px;
  background: #f5f5f7;
}

.detail-contact .detail-text-link {
  display: inline-block;
  margin: 16px 0 0 18px;
  font-size: 15px;
}

.detail-related > a {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid #e7e7ea;
}

.detail-related a:hover {
  text-decoration: underline;
}

.detail-footer {
  padding: 40px 0;
  border-top: 1px solid #e7e7ea;
  background: #f5f5f7;
}

.detail-footer > div {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 36px;
}

.detail-footer p,
.detail-footer > div > div > a:not(.detail-logo) {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #55565d;
}

.detail-skip {
  position: fixed;
  left: 16px;
  top: -120px;
  z-index: 30;
  padding: 12px;
  border-radius: 12px;
  color: #fff;
  background: #111;
}

.detail-skip:focus {
  top: 16px;
}

.detail-metrika-pixel {
  position: absolute;
  left: -9999px;
}

@media (max-width: 1024px) {
  .detail-hero { gap: 24px; }
  .detail-hero h1 { font-size: 40px; }
  .detail-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
  .detail-nav { gap: 20px; }
}

@media (max-width: 768px) {
  .detail-container { width: calc(100% - 40px); }
  .detail-header-inner { min-height: 64px; }
  .detail-nav, .detail-header-cta { display: none; }
  .detail-menu { display: block; }
  .detail-menu summary { cursor: pointer; font-size: 15px; font-weight: 600; padding: 10px 0; }
  .detail-menu nav { position: absolute; top: 64px; left: 0; right: 0; padding: 20px; border-bottom: 1px solid #e7e7ea; background: #fff; }
  .detail-menu nav a { display: block; padding: 10px 0; }
  .detail-breadcrumbs { margin-top: 20px; font-size: 12px; gap: 8px; }
  .detail-hero { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .detail-hero h1 { font-size: clamp(32px, 8vw, 42px); }
  .detail-hero p { font-size: 17px; margin: 20px 0 24px; }
  .detail-hero > img { height: 240px; }
  .detail-facts { gap: 16px; padding: 24px 0; }
  .detail-facts dd { font-size: 18px; }
  .detail-facts dt { font-size: 12px; }
  .detail-layout { grid-template-columns: 1fr; gap: 32px; padding: 32px 0 48px; }
  .detail-toc nav { position: static; }
  .detail-toc { border-bottom: 1px solid #e7e7ea; padding-bottom: 28px; }
  .detail-toc a { margin-top: 10px; }
  .detail-section { margin-bottom: 40px; scroll-margin-top: 88px; }
  .detail-options, .detail-contact { padding: 24px; }
  .detail-contact .detail-text-link { margin-left: 0; display: block; }
  .detail-footer > div { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 400px) {
  .detail-facts { grid-template-columns: 1fr; gap: 18px; }
  .detail-facts > div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
  .detail-facts dt { margin: 0; }
}

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