@font-face {
  font-family: "Manrope IRK";
  src: url("fonts/manrope-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Manrope IRK";
  src: url("fonts/manrope-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "Onest IRK";
  src: url("fonts/onest-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Onest IRK";
  src: url("fonts/onest-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

body.irk-article-v2 {
  --irk-ink: #10213b;
  --irk-muted: #62748a;
  --irk-blue: #0f6fbf;
  --irk-blue-dark: #075594;
  --irk-blue-soft: #eaf5ff;
  --irk-green: #189878;
  --irk-canvas: #f5f9fc;
  --irk-line: #dde8f0;
  --irk-white: #fff;
  --irk-shadow: 0 24px 70px rgba(30, 70, 105, 0.12);
  --article-font-size: 19px;
  width: 100%;
  margin: 0;
  background: var(--irk-white);
  color: var(--irk-ink);
  font-family: "Onest IRK", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

.irk-article-v2 *,
.irk-article-v2 *::before,
.irk-article-v2 *::after { box-sizing: border-box; }
.irk-article-v2 img { display: block; max-width: 100%; height: auto; }
.irk-article-v2 a { color: inherit; text-decoration: none; }
.irk-article-v2 button,
.irk-article-v2 input,
.irk-article-v2 textarea { font: inherit; }
.irk-article-v2 button { color: inherit; }
.irk-article-v2 svg { width: 20px; height: 20px; }
.irk-article-v2 .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.irk-container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.irk-reading-progress {
  position: fixed;
  z-index: 10000;
  inset: 0 0 auto;
  height: 4px;
  background: rgba(15, 111, 191, 0.08);
}
.irk-reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 0 99px 99px 0;
  background: linear-gradient(90deg, #0f6fbf, #22b99a);
  box-shadow: 0 0 14px rgba(15, 111, 191, 0.45);
  transition: width 80ms linear;
}
.admin-bar .irk-reading-progress { top: 32px; }

.irk-header {
  position: relative;
  z-index: 100;
  border-bottom: 1px solid rgba(219, 231, 241, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}
.irk-header__inner { display: flex; align-items: center; gap: 42px; min-height: 82px; }
.irk-brand { display: flex; flex: none; }
.irk-brand img { width: 164px; }
.irk-main-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 620; }
.irk-main-nav a,
.irk-header__clinic { transition: color 160ms ease; }
.irk-main-nav a:hover,
.irk-header__clinic:hover { color: var(--irk-blue); }
.irk-main-nav a { position: relative; }
.irk-main-nav a.is-active { color: var(--irk-blue); }
.irk-main-nav a.is-active::after {
  content: "";
  position: absolute;
  inset: auto 0 -12px;
  height: 2px;
  border-radius: 99px;
  background: var(--irk-blue);
}
.irk-main-nav__group { position: relative; display: flex; min-height: 82px; align-items: center; }
.irk-main-nav__trigger { display: inline-flex; align-items: center; gap: 5px; }
.irk-main-nav__trigger > svg { width: 14px; height: 14px; transition: transform 180ms ease; }
.irk-main-nav__dropdown {
  position: absolute;
  z-index: 120;
  top: calc(100% - 8px);
  left: 50%;
  display: grid;
  width: 270px;
  padding: 10px;
  border: 1px solid var(--irk-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 60px rgba(26, 61, 94, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -7px);
  transition: opacity 160ms ease, transform 180ms ease;
}
.irk-main-nav__dropdown a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 12px;
  border-radius: 11px;
  color: var(--irk-ink);
  font-size: 13px;
  font-weight: 650;
  transition: color 160ms ease, background 160ms ease;
}
.irk-main-nav__dropdown a:hover,
.irk-main-nav__dropdown a:focus-visible { background: var(--irk-blue-soft); color: var(--irk-blue); }
.irk-main-nav__dropdown a b { color: #91a2b5; font-weight: 600; }
.irk-main-nav__group:hover .irk-main-nav__dropdown,
.irk-main-nav__group:focus-within .irk-main-nav__dropdown { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.irk-main-nav__group:hover .irk-main-nav__trigger > svg,
.irk-main-nav__group:focus-within .irk-main-nav__trigger > svg { transform: rotate(180deg); }
.irk-header__actions { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.irk-header__clinic { color: var(--irk-muted); font-size: 14px; font-weight: 620; }
.irk-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  font-weight: 720;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.irk-button:hover { transform: translateY(-2px); }
.irk-button--small { min-height: 44px; padding-inline: 17px; border-radius: 14px; font-size: 14px; }
.irk-button--dark { background: var(--irk-ink); color: #fff; box-shadow: 0 10px 24px rgba(16, 33, 59, 0.16); }
.irk-header__actions .irk-button--dark { color: #fff; }
.irk-button--dark:hover { background: #1b3557; }
.irk-button--primary { background: var(--irk-blue); color: #fff; box-shadow: 0 12px 28px rgba(15, 111, 191, 0.25); }
.irk-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--irk-line);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}
.irk-mobile-toggle > span:not(.screen-reader-text) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px 0;
  border-radius: 5px;
  background: var(--irk-ink);
  transition: transform 180ms ease, opacity 180ms ease;
}
.irk-mobile-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.irk-mobile-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
.irk-mobile-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.irk-mobile-nav { display: none; }

.irk-article-hero {
  position: relative;
  padding: 34px 0 76px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(37, 191, 160, 0.15), transparent 27%),
    linear-gradient(135deg, #f0f8ff 0%, #fbfdff 54%, #f0fbf8 100%);
}
.irk-article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image: radial-gradient(rgba(15, 111, 191, 0.16) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}
.irk-article-hero__glow {
  position: absolute;
  width: 620px;
  height: 620px;
  top: -390px;
  left: 22%;
  border-radius: 50%;
  background: rgba(65, 175, 245, 0.16);
  filter: blur(60px);
}
.irk-article-hero .irk-container { position: relative; z-index: 1; }
.irk-breadcrumbs {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  margin-bottom: 50px;
  color: #77899d;
  font-size: 11px;
  font-weight: 620;
}
.irk-breadcrumbs a { display: inline-flex; align-items: center; gap: 6px; transition: color 160ms ease; }
.irk-breadcrumbs a:hover { color: var(--irk-blue); }
.irk-breadcrumbs svg { width: 13px; height: 13px; flex: none; }
.irk-breadcrumbs span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.irk-article-hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.68fr); align-items: center; gap: 68px; }
.irk-article-hero__grid--without-image { grid-template-columns: minmax(0, 880px); }
.irk-article-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.irk-article-kicker > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid #cfe2ef;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--irk-blue-dark);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.irk-article-kicker svg { width: 14px; height: 14px; }
.irk-article-kicker .irk-article-kicker__verified { color: #23725f; border-color: #d2e8e1; }
.irk-article-hero h1 {
  max-width: 780px;
  margin: 22px 0 20px;
  color: var(--irk-ink);
  font-family: "Manrope IRK", sans-serif;
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 760;
  letter-spacing: -0.06em;
  line-height: 1.04;
}
.irk-article-lead { max-width: 730px; margin: 0; color: #536b81; font-size: 17px; line-height: 1.72; }
.irk-article-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(172, 196, 214, 0.55);
}
.irk-author-mark {
  display: grid;
  width: 44px;
  height: 44px;
  flex: none;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--irk-blue), #22b99a);
  color: #fff;
  font-family: "Manrope IRK", sans-serif;
  font-size: 18px;
  font-weight: 780;
  box-shadow: 0 10px 28px rgba(15, 111, 191, 0.22);
}
.irk-author-copy { display: flex; min-width: 130px; flex-direction: column; gap: 2px; }
.irk-author-copy strong { font-size: 12px; }
.irk-author-copy span,
.irk-meta-item > span { color: #7a8da0; font-size: 9px; }
.irk-meta-item {
  display: flex;
  min-height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding-left: 20px;
  border-left: 1px solid rgba(172, 196, 214, 0.55);
}
.irk-meta-item time,
.irk-meta-item strong { display: inline-flex; align-items: center; gap: 5px; color: #405870; font-size: 11px; font-weight: 720; }
.irk-meta-item svg { width: 14px; height: 14px; color: var(--irk-blue); }
.irk-meta-item--comments:hover strong { color: var(--irk-blue); }
.irk-article-cover {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(191, 211, 224, 0.8);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 30px 80px rgba(20, 62, 94, 0.18);
  transform: rotate(1.2deg);
}
.irk-article-cover::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 30px -18px -18px 28px;
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(15, 111, 191, 0.16), rgba(34, 185, 154, 0.18));
  transform: rotate(-4deg);
}
.irk-article-cover img { width: 100%; aspect-ratio: 1.28 / 1; object-fit: cover; border-radius: 24px; }
.irk-article-cover figcaption { padding: 11px 8px 1px; color: #8293a6; font-size: 9px; }

.irk-article-section { padding: 78px 0 92px; background: #fff; }
.irk-article-layout { display: grid; grid-template-columns: 260px minmax(0, 780px); align-items: start; justify-content: center; gap: 54px; }
.irk-article-sidebar { display: grid; gap: 14px; position: sticky; top: 20px; }
.admin-bar .irk-article-sidebar { top: 52px; }
.irk-sidebar-card { border: 1px solid var(--irk-line); border-radius: 21px; background: #fff; box-shadow: 0 13px 42px rgba(30, 66, 94, 0.07); }
.irk-reading-card { overflow: hidden; }
.irk-sidebar-card__head { display: flex; align-items: center; justify-content: space-between; padding: 17px 18px; border-bottom: 1px solid #edf2f6; }
.irk-sidebar-card__head span,
.irk-sidebar-label { color: #7a8a9d; font-size: 9px; font-weight: 760; letter-spacing: 0.08em; text-transform: uppercase; }
.irk-sidebar-card__head strong { color: var(--irk-blue); font-size: 11px; }
.irk-text-controls { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; gap: 8px; padding: 13px; border-bottom: 1px solid #edf2f6; }
.irk-text-controls button {
  width: 40px;
  height: 36px;
  border: 1px solid var(--irk-line);
  border-radius: 11px;
  background: #f8fbfd;
  cursor: pointer;
  color: var(--irk-blue);
  font-weight: 760;
}
.irk-text-controls button:hover { border-color: #a8cde6; background: var(--irk-blue-soft); }
.irk-text-controls span { color: #6a7d91; text-align: center; font-size: 9px; }
.irk-tool-button {
  display: grid;
  width: 100%;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 10px;
  padding: 13px;
  border: 0;
  border-bottom: 1px solid #edf2f6;
  background: #fff;
  text-align: left;
  cursor: pointer;
}
.irk-tool-button:last-child { border-bottom: 0; }
.irk-tool-button > svg { width: 36px; height: 36px; padding: 9px; border-radius: 11px; background: #eff7fd; color: var(--irk-blue); }
.irk-tool-button span { display: flex; flex-direction: column; gap: 1px; }
.irk-tool-button strong { font-size: 10px; }
.irk-tool-button small { color: #8797a8; font-size: 8px; }
.irk-tool-button:hover { background: #fbfdff; }
.irk-tool-button[aria-pressed="true"] > svg { background: #e6f8f2; color: var(--irk-green); }
.irk-toc { display: grid; gap: 1px; padding: 18px 10px 13px; }
.irk-toc .irk-sidebar-label { padding: 0 8px 10px; }
.irk-toc a { display: grid; grid-template-columns: 10px 1fr; gap: 7px; padding: 9px 8px; border-radius: 10px; color: #62758a; font-size: 10px; line-height: 1.4; transition: background 150ms ease, color 150ms ease; }
.irk-toc a > span { width: 5px; height: 5px; margin-top: 5px; border-radius: 50%; background: #b8c8d4; }
.irk-toc a:hover,
.irk-toc a.is-active { color: var(--irk-blue); background: #f0f8ff; }
.irk-toc a.is-active > span { background: var(--irk-blue); box-shadow: 0 0 0 4px rgba(15, 111, 191, 0.1); }
.irk-toc .irk-toc__level-3 { padding-left: 18px; font-size: 9px; }
.irk-share-card { padding: 18px; }
.irk-share-card > div { display: flex; gap: 7px; margin-top: 12px; }
.irk-share-card a,
.irk-share-card button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--irk-line);
  border-radius: 11px;
  background: #fff;
  color: #556a80;
  font-size: 10px;
  font-weight: 760;
  cursor: pointer;
}
.irk-share-card a:hover,
.irk-share-card button:hover { border-color: #a9cfe7; color: var(--irk-blue); background: var(--irk-blue-soft); }
.irk-share-card svg { width: 15px; height: 15px; }
.irk-copy-status { display: block; min-height: 14px; margin-top: 8px; color: var(--irk-green); font-size: 8px; }

.irk-article { min-width: 0; }
.irk-article__intro-note {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 15px;
  margin-bottom: 36px;
  padding: 18px 20px;
  border: 1px solid #d7e8ee;
  border-radius: 18px;
  background: linear-gradient(135deg, #f1f9ff, #f3fcf9);
}
.irk-article__intro-note > svg { width: 44px; height: 44px; padding: 11px; border-radius: 14px; background: #fff; color: var(--irk-green); box-shadow: 0 9px 24px rgba(36, 111, 91, 0.1); }
.irk-article__intro-note p { margin: 0; color: #5d7183; font-size: 12px; line-height: 1.6; }
.irk-article__intro-note strong { color: var(--irk-ink); }
.irk-article-content { color: #253c55; font-size: var(--article-font-size); line-height: 1.9; transition: font-size 180ms ease; }
.irk-article-content > *:first-child { margin-top: 0; }
.irk-article-content p { margin: 0 0 1.55em; }
.irk-article-content h2,
.irk-article-content h3,
.irk-article-content h4 {
  scroll-margin-top: 28px;
  color: var(--irk-ink);
  font-family: "Manrope IRK", sans-serif;
  letter-spacing: -0.035em;
  line-height: 1.2;
}
.irk-article-content h2 { margin: 2.1em 0 0.72em; font-size: 1.75em; }
.irk-article-content h3 { margin: 1.8em 0 0.65em; font-size: 1.35em; }
.irk-article-content h4 { margin: 1.6em 0 0.6em; font-size: 1.1em; }
.irk-article-content a { color: var(--irk-blue); border-bottom: 1px solid rgba(15, 111, 191, 0.32); }
.irk-article-content a:hover { border-bottom-color: var(--irk-blue); }
.irk-article-content strong { color: var(--irk-ink); font-weight: 750; }
.irk-article-content ul,
.irk-article-content ol { margin: 1.4em 0; padding: 0; list-style: none; }
.irk-article-content li { position: relative; margin: 0.72em 0; padding-left: 1.7em; }
.irk-article-content ul li::before { content: ""; position: absolute; width: 7px; height: 7px; top: 0.78em; left: 0.2em; border-radius: 50%; background: var(--irk-blue); box-shadow: 0 0 0 5px rgba(15, 111, 191, 0.1); }
.irk-article-content ol { counter-reset: irk-list; }
.irk-article-content ol li { counter-increment: irk-list; }
.irk-article-content ol li::before { content: counter(irk-list); position: absolute; top: 0.2em; left: 0; color: var(--irk-blue); font-size: 0.72em; font-weight: 800; }
.irk-article-content blockquote {
  position: relative;
  margin: 2em 0;
  padding: 26px 28px 26px 78px;
  border: 1px solid #d9e8ef;
  border-radius: 22px;
  background: #f6fafc;
  color: #38526a;
  font-family: "Manrope IRK", sans-serif;
  font-size: 1.05em;
  font-weight: 600;
  line-height: 1.65;
}
.irk-article-content blockquote::before { content: "“"; position: absolute; top: 5px; left: 24px; color: var(--irk-blue); font-family: Georgia, serif; font-size: 74px; line-height: 1; opacity: 0.35; }
.irk-article-content img { width: auto; max-width: 100%; margin: 2em auto; border-radius: 22px; box-shadow: 0 18px 50px rgba(28, 64, 93, 0.12); }
.irk-article-content figure { margin: 2em 0; }
.irk-article-content figure img { width: 100%; margin: 0; }
.irk-article-content figcaption { margin-top: 9px; color: #8493a4; text-align: center; font-size: 0.68em; }
.irk-article-content table { display: block; width: 100%; margin: 2em 0; border-collapse: collapse; overflow-x: auto; font-size: 0.82em; }
.irk-article-content th,
.irk-article-content td { padding: 13px 15px; border: 1px solid var(--irk-line); text-align: left; }
.irk-article-content th { background: #f3f8fb; color: var(--irk-ink); }
.irk-article-content iframe { max-width: 100%; border-radius: 18px; }

.irk-article__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 54px;
  padding: 25px;
  border: 1px solid var(--irk-line);
  border-radius: 22px;
  background: var(--irk-canvas);
}
.irk-article__footer > div:first-child { display: flex; flex-direction: column; gap: 3px; }
.irk-article__footer > div:first-child span { color: #8190a1; font-size: 9px; text-transform: uppercase; letter-spacing: 0.07em; }
.irk-article__footer > div:first-child strong { font-family: "Manrope IRK", sans-serif; font-size: 13px; }
.irk-article__footer-actions { display: flex; flex: none; gap: 7px; }
.irk-article__footer-actions button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 7px;
  padding: 0 13px;
  border: 1px solid #ccdce7;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: 9px;
  font-weight: 720;
}
.irk-article__footer-actions button:hover,
.irk-article__footer-actions button[aria-pressed="true"] { border-color: #a9cfe7; color: var(--irk-blue); background: var(--irk-blue-soft); }
.irk-article__footer-actions svg { width: 15px; height: 15px; }
.irk-post-navigation { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.irk-post-navigation a { display: flex; min-height: 108px; flex-direction: column; justify-content: center; gap: 7px; padding: 20px; border: 1px solid var(--irk-line); border-radius: 19px; transition: transform 160ms ease, border-color 160ms ease; }
.irk-post-navigation a:hover { border-color: #afd0e5; transform: translateY(-2px); }
.irk-post-navigation a:last-child { text-align: right; }
.irk-post-navigation span { color: #8292a3; font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em; }
.irk-post-navigation strong { font-family: "Manrope IRK", sans-serif; font-size: 12px; line-height: 1.45; }

.irk-related-section { padding: 84px 0 92px; background: var(--irk-canvas); }
.irk-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.irk-section-heading > div > span,
.irk-comments-heading > span { color: var(--irk-blue); font-size: 10px; font-weight: 760; letter-spacing: 0.09em; text-transform: uppercase; }
.irk-section-heading h2,
.irk-comments-heading h2 { margin: 9px 0 0; font-family: "Manrope IRK", sans-serif; font-size: 42px; font-weight: 750; letter-spacing: -0.045em; line-height: 1.1; }
.irk-section-heading > a { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 3px; border-bottom: 1px solid #b8c8d4; font-size: 11px; font-weight: 720; }
.irk-section-heading > a svg { width: 15px; height: 15px; }
.irk-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.irk-related-card { display: flex; min-height: 410px; flex-direction: column; padding: 15px 15px 21px; border: 1px solid var(--irk-line); border-radius: 23px; background: #fff; transition: transform 180ms ease, box-shadow 180ms ease; }
.irk-related-card:hover { transform: translateY(-5px); box-shadow: 0 22px 54px rgba(29, 67, 99, 0.11); }
.irk-related-card__image { display: grid; height: 206px; place-items: center; overflow: hidden; border-radius: 17px; background: linear-gradient(145deg, #e4f3ff, #dff8f1); color: var(--irk-blue); }
.irk-related-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 450ms ease; }
.irk-related-card:hover .irk-related-card__image img { transform: scale(1.04); }
.irk-related-card__image > span svg { width: 60px; height: 60px; stroke-width: 1.3; }
.irk-related-card__meta { display: flex; justify-content: space-between; margin-top: 18px; color: #8594a5; font-size: 9px; font-weight: 700; }
.irk-related-card__meta span { color: var(--irk-blue); text-transform: uppercase; }
.irk-related-card h3 { margin: 12px 0; font-family: "Manrope IRK", sans-serif; font-size: 18px; line-height: 1.36; letter-spacing: -0.02em; }
.irk-related-card__more { display: inline-flex; align-items: center; gap: 7px; margin-top: auto; font-size: 10px; font-weight: 740; }
.irk-related-card__more svg { width: 14px; height: 14px; }

.irk-comments-section { padding: 88px 0 96px; background: #fff; scroll-margin-top: 20px; }
.irk-comments-wrap { max-width: 880px; }
.irk-comments-heading { max-width: 670px; margin-bottom: 36px; }
.irk-comments-heading h2 sup { color: var(--irk-blue); font-size: 15px; vertical-align: top; }
.irk-comments-heading p { margin: 17px 0 0; color: var(--irk-muted); font-size: 13px; line-height: 1.65; }
.irk-comment-list,
.irk-comment-list .children { margin: 0; padding: 0; list-style: none; }
.irk-comment-list .children { margin-left: 58px; }
.irk-comment { margin: 0 0 12px; }
.irk-comment__body { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 20px; border: 1px solid var(--irk-line); border-radius: 19px; background: #fff; }
.irk-comment__avatar { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 14px; background: var(--irk-blue-soft); color: var(--irk-blue); font-weight: 780; }
.irk-comment__content header { display: flex; align-items: center; gap: 12px; }
.irk-comment__content header strong { font-size: 12px; }
.irk-comment__content header time { color: #8797a8; font-size: 9px; }
.irk-comment__content p { margin: 9px 0; color: #53687d; font-size: 12px; line-height: 1.65; }
.irk-comment__content .reply a { color: var(--irk-blue); font-size: 9px; font-weight: 720; }
.irk-comment__moderation { color: #af7723 !important; }
.irk-comment-form-card { margin-top: 32px; padding: 32px; border: 1px solid var(--irk-line); border-radius: 25px; background: var(--irk-canvas); }
.irk-comment-form-card h3 { margin: 0 0 8px; font-family: "Manrope IRK", sans-serif; font-size: 28px; letter-spacing: -0.035em; }
.irk-comment-notes { margin: 0 0 22px; color: #7b8c9d; font-size: 10px; }
.irk-comment-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.irk-comment-form > p { margin: 0; }
.irk-comment-form .comment-notes,
.irk-comment-form .irk-comment-notes,
.irk-comment-form .comment-form-comment,
.irk-comment-form .comment-form-cookies-consent,
.irk-comment-form .form-submit,
.irk-comment-form .logged-in-as { grid-column: 1 / -1; }
.irk-comment-form label { display: block; margin-bottom: 7px; color: #52667a; font-size: 10px; font-weight: 720; }
.irk-comment-form input[type="text"],
.irk-comment-form input[type="email"],
.irk-comment-form textarea {
  width: 100%;
  border: 1px solid #cad9e5;
  border-radius: 13px;
  outline: none;
  background: #fff;
  color: var(--irk-ink);
  font-size: 12px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.irk-comment-form input[type="text"],
.irk-comment-form input[type="email"] { height: 48px; padding: 0 14px; }
.irk-comment-form textarea { min-height: 145px; padding: 14px; resize: vertical; }
.irk-comment-form input:focus,
.irk-comment-form textarea:focus { border-color: var(--irk-blue); box-shadow: 0 0 0 4px rgba(15, 111, 191, 0.1); }
.irk-comment-form input::placeholder,
.irk-comment-form textarea::placeholder { color: #a2afbc; }
.irk-comment-form .comment-form-cookies-consent { display: flex; align-items: flex-start; gap: 8px; }
.irk-comment-form .comment-form-cookies-consent input { flex: 0 0 auto; margin-top: 2px; accent-color: var(--irk-blue); }
.irk-comment-form .comment-form-cookies-consent label { margin: 0; color: #748699; font-weight: 500; line-height: 1.5; }
.irk-comment-form .form-submit { margin-top: 4px; }
.irk-comment-form .submit { min-width: 220px; }
.irk-comments-closed { padding: 20px; border-radius: 16px; background: var(--irk-canvas); color: var(--irk-muted); }

.irk-footer { padding: 64px 0 24px; border-top: 1px solid var(--irk-line); background: #f8fbfd; }
.irk-footer__top { display: grid; grid-template-columns: 1.35fr repeat(3, 0.65fr); gap: 54px; padding-bottom: 46px; }
.irk-footer__brand img { width: 154px; }
.irk-footer__brand p { max-width: 280px; margin: 18px 0 0; color: var(--irk-muted); font-size: 11px; line-height: 1.6; }
.irk-footer nav { display: flex; flex-direction: column; gap: 10px; }
.irk-footer nav strong { margin-bottom: 4px; font-family: "Manrope IRK", sans-serif; font-size: 12px; }
.irk-footer nav a { color: #64778b; font-size: 10px; }
.irk-footer nav a:hover { color: var(--irk-blue); }
.irk-footer__bottom { display: flex; align-items: center; gap: 20px; padding-top: 20px; border-top: 1px solid var(--irk-line); color: #8190a1; font-size: 9px; }
.irk-footer__bottom p { margin: 0 0 0 auto; }

.irk-scroll-top {
  position: fixed;
  z-index: 90;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid #d1e0e9;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--irk-blue);
  box-shadow: 0 14px 38px rgba(20, 55, 82, 0.14);
  backdrop-filter: blur(12px);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.irk-scroll-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.irk-scroll-top svg { width: 19px; height: 19px; }

.irk-article-v2.is-reading-focus .irk-header,
.irk-article-v2.is-reading-focus .irk-related-section,
.irk-article-v2.is-reading-focus .irk-comments-section,
.irk-article-v2.is-reading-focus .irk-footer { display: none; }
.irk-article-v2.is-reading-focus .irk-article-hero { padding-top: 42px; padding-bottom: 48px; }
.irk-article-v2.is-reading-focus .irk-article-cover,
.irk-article-v2.is-reading-focus .irk-breadcrumbs,
.irk-article-v2.is-reading-focus .irk-article-kicker__verified { display: none; }
.irk-article-v2.is-reading-focus .irk-article-hero__grid { grid-template-columns: minmax(0, 780px); justify-content: center; }
.irk-article-v2.is-reading-focus .irk-article-layout { grid-template-columns: 230px minmax(0, 780px); }
.irk-article-v2.is-reading-focus .irk-article-sidebar > :not(.irk-reading-card) { display: none; }

@media (max-width: 1050px) {
  .irk-main-nav { display: none; }
  .irk-mobile-toggle { display: block; }
  .irk-mobile-nav {
    position: absolute;
    inset: 100% 0 auto;
    display: block;
    max-height: 0;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    background: rgba(255, 255, 255, 0.98);
    opacity: 0;
    pointer-events: none;
    transition: max-height 240ms ease, opacity 180ms ease;
  }
  .irk-mobile-nav.is-open { max-height: 720px; border-bottom-color: var(--irk-line); opacity: 1; pointer-events: auto; }
  .irk-mobile-nav nav { display: flex; flex-direction: column; padding-block: 16px 22px; }
  .irk-mobile-nav a { display: flex; align-items: center; justify-content: space-between; padding: 12px 2px; border-bottom: 1px solid #edf2f6; font-family: "Manrope IRK", sans-serif; font-size: 16px; font-weight: 680; }
  .irk-mobile-nav a.is-active { color: var(--irk-blue); }
  .irk-mobile-nav__group > a { display: flex; align-items: center; justify-content: space-between; padding: 12px 2px; border-bottom: 1px solid #edf2f6; font-family: "Manrope IRK", sans-serif; font-size: 16px; font-weight: 680; }
  .irk-mobile-nav__submenu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; padding: 10px 0 4px 12px; }
  .irk-mobile-nav__submenu a { padding: 9px 10px; border: 0; border-radius: 10px; background: #f3f8fc; color: #425d76; font-size: 12px; font-weight: 650; }
  .irk-article-hero__grid { grid-template-columns: minmax(0, 1fr) 330px; gap: 38px; }
  .irk-article-hero h1 { font-size: 51px; }
  .irk-article-byline { gap: 14px; }
  .irk-meta-item { padding-left: 14px; }
  .irk-article-layout { grid-template-columns: 220px minmax(0, 720px); gap: 30px; }
}

@media (max-width: 820px) {
  .irk-container { width: min(720px, calc(100% - 32px)); }
  .irk-header__inner { min-height: 72px; }
  .irk-brand img { width: 142px; }
  .irk-header__clinic { display: none; }
  .irk-article-hero { padding-top: 25px; padding-bottom: 56px; }
  .irk-breadcrumbs { margin-bottom: 34px; }
  .irk-article-hero__grid { grid-template-columns: 1fr; }
  .irk-article-cover { max-width: 580px; transform: none; }
  .irk-article-cover img { aspect-ratio: 1.6 / 1; }
  .irk-article-layout,
  .irk-article-v2.is-reading-focus .irk-article-layout { grid-template-columns: 1fr; max-width: 720px; }
  .irk-article-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .irk-reading-card { grid-column: 1 / -1; }
  .irk-toc { max-height: 280px; overflow-y: auto; }
  .irk-related-grid { grid-template-columns: 1fr 1fr; }
  .irk-related-card:last-child { display: none; }
  .irk-footer__top { grid-template-columns: 1fr 1fr; }
  .irk-footer__brand { grid-column: 1 / -1; }
  .irk-article-v2.is-reading-focus .irk-article-sidebar > :not(.irk-reading-card) { display: none; }
}

@media (max-width: 580px) {
  body.irk-article-v2 { --article-font-size: 17px; }
  .irk-container { width: min(520px, calc(100% - 24px)); }
  .irk-header__actions .irk-button { display: none; }
  .irk-breadcrumbs > span,
  .irk-breadcrumbs > svg:last-of-type { display: none; }
  .irk-article-hero { padding-bottom: 42px; }
  .irk-article-kicker__verified { display: none !important; }
  .irk-article-hero h1 { margin-top: 18px; font-size: 39px; line-height: 1.07; }
  .irk-article-lead { font-size: 14px; line-height: 1.65; }
  .irk-article-byline { display: grid; grid-template-columns: 44px 1fr; gap: 11px 12px; }
  .irk-meta-item { min-height: auto; padding: 10px 0 0; border-top: 1px solid rgba(172, 196, 214, 0.45); border-left: 0; }
  .irk-meta-item--comments { display: none; }
  .irk-article-cover { padding: 8px; border-radius: 23px; }
  .irk-article-cover img { border-radius: 17px; }
  .irk-article-section { padding: 42px 0 64px; }
  .irk-article-sidebar { grid-template-columns: 1fr; gap: 10px; }
  .irk-toc { display: none; }
  .irk-share-card { display: none; }
  .irk-tool-button { padding-block: 11px; }
  .irk-article__intro-note { grid-template-columns: 38px 1fr; margin-bottom: 28px; padding: 15px; }
  .irk-article__intro-note > svg { width: 38px; height: 38px; padding: 9px; }
  .irk-article__intro-note p { font-size: 10px; }
  .irk-article-content { line-height: 1.82; }
  .irk-article-content h2 { font-size: 1.55em; }
  .irk-article-content blockquote { padding: 24px 20px 24px 58px; }
  .irk-article-content blockquote::before { left: 16px; }
  .irk-article__footer { align-items: flex-start; flex-direction: column; padding: 20px; }
  .irk-article__footer-actions { width: 100%; }
  .irk-article__footer-actions button { flex: 1; justify-content: center; }
  .irk-post-navigation { grid-template-columns: 1fr; }
  .irk-post-navigation a:last-child { text-align: left; }
  .irk-related-section { padding: 64px 0 70px; }
  .irk-section-heading { align-items: flex-start; flex-direction: column; }
  .irk-section-heading h2,
  .irk-comments-heading h2 { font-size: 34px; }
  .irk-related-grid { grid-template-columns: 1fr; }
  .irk-related-card:last-child { display: flex; }
  .irk-comments-section { padding: 64px 0 72px; }
  .irk-comment-list .children { margin-left: 18px; }
  .irk-comment__body { grid-template-columns: 38px 1fr; padding: 15px; }
  .irk-comment__avatar { width: 38px; height: 38px; }
  .irk-comment-form-card { padding: 22px 16px; }
  .irk-comment-form { grid-template-columns: 1fr; }
  .irk-comment-form > p { grid-column: 1 !important; }
  .irk-comment-form .submit { width: 100%; }
  .irk-footer { padding-top: 48px; }
  .irk-footer__top { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .irk-footer__bottom { flex-wrap: wrap; }
  .irk-footer__bottom p { width: 100%; margin: 0; }
  .irk-scroll-top { right: 12px; bottom: 12px; }
  .irk-article-v2.is-reading-focus .irk-article-hero { padding-top: 28px; }
}

@media (max-width: 360px) {
  .irk-article-hero h1 { font-size: 34px; }
  .irk-text-controls { grid-template-columns: 36px 1fr 36px; }
  .irk-text-controls button { width: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .irk-article-v2 *,
  .irk-article-v2 *::before,
  .irk-article-v2 *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media print {
  .irk-reading-progress,
  .irk-header,
  .irk-article-sidebar,
  .irk-related-section,
  .irk-comments-section,
  .irk-footer,
  .irk-scroll-top,
  .irk-article__footer,
  .irk-post-navigation { display: none !important; }
  .irk-article-hero { padding: 20px 0; background: #fff; }
  .irk-article-hero::before,
  .irk-article-cover { display: none; }
  .irk-article-hero__grid,
  .irk-article-layout { display: block; }
  .irk-article-section { padding: 20px 0; }
  .irk-article-content { color: #000; font-size: 12pt; }
}