/* Токены: цвета взяты с фотографии — небо, облака, тёмная футболка.
   Мотивы оформления — из кабинета врача: кнопка-капсула, карточка-предметное стекло, печать с инициалами. */
:root {
  --paper: #F6F9FD;
  --sky-pale: #E2EDF9;
  --sky: #2A6FC4;
  --sky-deep: #1B4F93;
  --sky-light: #A8CBF5;
  --ink: #13233F;
  --night: #0E1B33;
  --mist: #56657D;
  --line: #D6E1EE;
  --white: #FFFFFF;
  --if-bg: #07101E;
  --if-glow: #7CFFB2;

  --font: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1200px;
  --radius: 14px;
  --glass-r: 8px;
  --spring: cubic-bezier(.3, 1.6, .5, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--sky); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--sky-deep); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.02em; line-height: 1.12; text-wrap: balance; }
h2 { font-size: clamp(1.75rem, 4.4vw, 3.25rem); font-weight: 750; letter-spacing: -.03em; margin-bottom: .6em; hyphens: auto; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; max-width: 64ch; text-wrap: pretty; }
svg { flex: none; }

.skip { position: absolute; left: 12px; top: -60px; background: var(--ink); color: var(--white); padding: 10px 14px; border-radius: 8px; z-index: 50; }
.skip:focus { top: 12px; }
.skip:hover { color: var(--white); }

.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }
.two { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.section { padding-block: clamp(72px, 11vw, 140px); }
.sec-lede { color: var(--mist); font-size: 1.125rem; }

/* ================= Кнопка-капсула ================= */
.cap {
  --a: var(--sky); --a-ink: var(--white); --b: var(--white); --b-ink: var(--ink);
  position: relative; display: inline-flex; align-items: stretch; min-height: 50px;
  padding: 0; border: 0; border-radius: 999px; background: none; cursor: pointer;
  font: 600 1rem/1 var(--font); text-decoration: none; isolation: isolate;
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, .16));
  transition: transform .45s var(--spring), filter .3s;
}
.cap-a { display: flex; align-items: center; padding: 0 18px 0 24px; background: var(--a); color: var(--a-ink); border-radius: 999px 0 0 999px; transition: background-color .25s; }
.cap-b { display: grid; place-items: center; width: 50px; background: var(--b); color: var(--b-ink); border-radius: 0 999px 999px 0; box-shadow: inset 0 0 0 1.5px var(--a); }
.cap-b svg { transition: transform .5s var(--spring); }
/* блик на оболочке капсулы */
.cap::after { content: ""; position: absolute; left: 16px; right: 16px; top: 5px; height: 32%; border-radius: 999px; background: linear-gradient(rgba(255, 255, 255, .5), rgba(255, 255, 255, 0)); pointer-events: none; }
.cap:hover { transform: rotate(-3deg) translateY(-2px); color: inherit; filter: drop-shadow(0 16px 18px rgba(0, 0, 0, .22)); }
.cap:hover .cap-b svg { transform: rotate(90deg); }
.cap:active { transform: scale(.96); }
.cap-light { --a: var(--white); --a-ink: var(--ink); --b: var(--sky); --b-ink: var(--white); filter: drop-shadow(0 10px 18px rgba(0, 0, 0, .3)); }
.cap-light .cap-b { box-shadow: none; }
.cap-ghost { --a: var(--sky-pale); --a-ink: var(--ink); --b: var(--ink); --b-ink: var(--white); filter: none; }
.cap-ghost .cap-b { box-shadow: none; }
.cap-ghost::after { opacity: .6; }

/* круглая кнопка-«объектив» */
.lens {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--white); color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink), inset 0 0 0 6px var(--white), inset 0 0 0 7.5px var(--line);
  transition: background-color .2s, color .2s, transform .4s var(--spring), opacity .2s;
}
.lens:hover:not(:disabled) { background: var(--ink); color: var(--white); box-shadow: inset 0 0 0 1.5px var(--ink), inset 0 0 0 6px var(--ink), inset 0 0 0 7.5px #3A4E72; transform: scale(1.06); }
.lens:disabled { opacity: .3; cursor: default; }

/* ================= Карточка — предметное стекло ================= */
.slide {
  position: relative; isolation: isolate; border-radius: var(--glass-r);
  background: linear-gradient(160deg, rgba(255, 255, 255, .97), rgba(231, 240, 251, .9));
  box-shadow: inset 0 0 0 1px rgba(42, 111, 196, .22), inset 0 1px 0 var(--white), 0 26px 44px -30px rgba(0, 0, 0, .5);
  padding: 30px 30px 28px 78px;
}
/* матовая полоса-этикетка у края стекла */
.slide::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 50px; z-index: -1;
  border-radius: var(--glass-r) 0 0 var(--glass-r);
  background: repeating-linear-gradient(135deg, rgba(19, 35, 63, .045) 0 1px, transparent 1px 4px), #EDF2F8;
  box-shadow: inset -1px 0 0 rgba(42, 111, 196, .2);
}
.slide-tag {
  position: absolute; left: 0; top: 0; bottom: 0; width: 50px;
  display: flex; align-items: center; justify-content: center;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-size: .8rem; font-weight: 650; letter-spacing: .03em; color: var(--mist); white-space: nowrap;
}
.slide-dark {
  background: linear-gradient(160deg, #1D3259, #0F1D38);
  box-shadow: inset 0 0 0 1px rgba(168, 203, 245, .2), inset 0 1px 0 rgba(255, 255, 255, .08), 0 26px 44px -30px rgba(0, 0, 0, .6);
  color: var(--white);
}
.slide-dark::after { background: repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 4px), #18294A; box-shadow: inset -1px 0 0 rgba(168, 203, 245, .2); }
.slide-dark .slide-tag { color: var(--sky-light); }

/* ================= Шапка: плавающая капсула ================= */
.nav { position: fixed; inset: 14px 0 auto 0; z-index: 20; pointer-events: none; }
.nav-bar {
  pointer-events: auto; width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto;
  display: flex; align-items: center; gap: 22px; padding: 7px 7px 7px 8px; border-radius: 999px;
  background: rgba(255, 255, 255, .86); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08), inset 0 1px 0 var(--white), 0 14px 34px -18px rgba(0, 0, 0, .35);
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand:hover { color: var(--ink); }
/* печать: круглый знак сайта (дерматоскоп + код) */
.stamp {
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; overflow: hidden;
  background: var(--white);
  box-shadow: inset 0 0 0 1.5px rgba(42, 111, 196, .28), 0 4px 10px -6px rgba(19, 35, 63, .45);
  transition: transform .6s var(--spring);
}
.stamp-logo { width: 100%; height: 100%; display: block; }
.brand:hover .stamp { transform: rotate(-14deg) scale(1.06); }
.brand-name { font-size: 1rem; }
.nav-links { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 9px 14px; border-radius: 999px; color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; transition: background-color .2s, color .2s; }
.nav-links a:hover { background: var(--sky-pale); color: var(--ink); }
.nav-links a[aria-current="page"] { background: var(--ink); color: var(--white); }
.nav-cta { min-height: 44px; font-size: .95rem; }
.nav-cta .cap-a { padding: 0 14px 0 20px; }
.nav-cta .cap-b { width: 44px; }
.menu-btn { display: none; }

/* ================= Первый экран ================= */
.hero {
  width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto;
  min-height: 100svh; padding: 124px 0 48px;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  grid-template-rows: 1fr auto; column-gap: clamp(24px, 4vw, 64px); align-items: center;
}
.hero-text { position: relative; z-index: 2; }
.hero-name {
  font-size: clamp(3.4rem, 9.2vw, 8.4rem); font-weight: 820; letter-spacing: -.055em; line-height: .9;
  margin: 0 0 .32em; margin-right: -22%;
}
.hero-name .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero-name .word { display: inline-block; }
.roles { list-style: none; margin: 0; padding: 0; font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 500; letter-spacing: -.015em; line-height: 1.25; }
.roles li { --rule: 1; position: relative; padding: 10px 0; max-width: 22rem; }
.roles li::before, .roles li:last-child::after { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: var(--line); transform: scaleX(var(--rule)); transform-origin: 0 50%; }
.roles li::before { top: 0; }
.roles li:last-child::after { bottom: 0; }

.hero-photo { margin: 0; justify-self: end; width: 100%; max-width: 520px; }
.arch { aspect-ratio: 4 / 5; overflow: hidden; border-radius: 999px 999px var(--radius) var(--radius); background: var(--sky-pale); }
.arch img { width: 100%; height: 100%; object-fit: cover; object-position: 58% 40%; transform-origin: 50% 70%; }

.hero-facts {
  grid-column: 1 / -1; margin: 48px 0 0; padding-top: 22px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
}
.hero-facts dt { color: var(--mist); font-size: .875rem; margin-bottom: 4px; }
.hero-facts dd { margin: 0; font-weight: 600; }

/* ================= Обо мне ================= */
.about { background: var(--white); }
.lead { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.45; font-weight: 500; letter-spacing: -.01em; }
.about-text p:not(.lead) { color: var(--mist); }
.hobby-h { font-size: 1rem; color: var(--sky); margin: 32px 0 12px; }
.hobbies { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
/* увлечения — маленькие капсулы */
.hobbies li { display: inline-flex; align-items: center; gap: 9px; padding: 7px 16px 7px 13px; border-radius: 999px; font-weight: 500; font-size: .95rem; background: var(--white); box-shadow: inset 0 0 0 1.5px var(--line); }
.hobbies li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--sky); }
.timeline { list-style: none; margin: 0; padding: 0 0 0 28px; position: relative; }
.timeline::before, .timeline::after { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline::after { background: var(--sky); transform-origin: top; transform: scaleY(var(--progress, 1)); }
.timeline li { position: relative; display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 16px; padding-bottom: 26px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -28px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--white); border: 2px solid var(--sky); z-index: 1; }
.timeline li:last-child::before { background: var(--sky); }
.t-year { font-weight: 650; color: var(--sky); font-variant-numeric: tabular-nums; white-space: nowrap; }
.timeline h3 { font-size: 1.0625rem; font-weight: 650; letter-spacing: -.01em; line-height: 1.35; margin-bottom: 4px; }
.timeline p { margin: 0; color: var(--mist); font-size: .95rem; }

.edu { margin-top: clamp(64px, 9vw, 112px); padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }
.edu-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 6vw, 96px); margin-top: 8px; }
.edu-cols h3 { font-size: 1.125rem; color: var(--sky); margin-bottom: 6px; }
.edu-cols .edu-sub { margin-top: 36px; }
.edu-list { list-style: none; margin: 0; padding: 0; }
.edu-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.edu-list b { display: block; font-weight: 650; font-size: 1.0625rem; line-height: 1.35; }
.edu-list span { display: block; color: var(--mist); font-size: .95rem; margin-top: 3px; }

/* ================= Чем я занимаюсь ================= */
.areas-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.slider-btns { display: none; gap: 10px; margin-bottom: .9em; }
.area-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.area-list h3 { font-size: 1.375rem; margin-bottom: 10px; }
.area-list p { color: var(--mist); margin: 0; }
@media (min-width: 861px) {
  .slider-btns { display: flex; }
  .areas .area-list {
    display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
    scrollbar-width: none; padding: 6px 4px 34px; margin: 2px -4px 0;
  }
  .areas .area-list::-webkit-scrollbar { display: none; }
  .areas .area-list article { flex: 0 0 min(410px, 33%); scroll-snap-align: start; min-height: 300px; display: flex; flex-direction: column; }
  .areas .area-list h3 { font-size: clamp(1.45rem, 2.1vw, 1.8rem); letter-spacing: -.03em; margin-bottom: 14px; }
}
@media (min-width: 861px) and (prefers-reduced-motion: reduce) { .areas .area-list { scroll-behavior: auto; } }

/* ================= Атлас ПИФ ================= */
.atlas-sec { background: var(--if-bg); color: #E8EEF7; }
.atlas-sec h2 { color: var(--white); }
.atlas-head p { color: #A9B6C9; font-size: 1.125rem; }
.atlas { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: center; margin-top: 24px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tab {
  min-height: 44px; padding: 0 18px; border-radius: 999px; cursor: pointer;
  font: 500 .975rem/1 var(--font); color: #C9D4E3; background: transparent; border: 1.5px solid #2A3A52;
  transition: color .2s, background-color .2s, border-color .2s;
}
.tab:hover { color: var(--white); border-color: #4C6385; }
.tab[aria-selected="true"] { color: var(--if-bg); background: var(--if-glow); border-color: var(--if-glow); }
.tab:focus-visible { outline-color: var(--if-glow); }
.panel h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); color: var(--white); margin-bottom: 20px; }
.facts { margin: 0; }
.facts div { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid #1E2C42; }
.facts dt { color: #8C9BB2; }
.facts dd { margin: 0; }
.chip { display: inline-block; padding: 3px 12px; border-radius: 999px; background: rgba(124, 255, 178, .12); color: var(--if-glow); font-weight: 600; }
.if-wrap { margin: 0; }
.if-field { width: min(100%, 500px); margin-inline: auto; aspect-ratio: 1; border-radius: 50%; overflow: hidden; background: #050507; box-shadow: 0 0 0 10px #0D1A2D, 0 0 0 11px #22344F; }
.if-field svg { width: 100%; height: 100%; display: block; }
.if-wrap figcaption { text-align: center; color: #8C9BB2; font-size: .875rem; margin-top: 22px; }

/* ================= Плитки-ссылки на страницы ================= */
.more { padding-block: clamp(72px, 11vw, 140px) 0; }
.more-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.more-link { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-height: 280px; padding-block: 38px 34px; padding-right: 38px; color: var(--ink); text-decoration: none; }
.more-link:hover { color: var(--ink); }
.more-link h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); margin-bottom: 4px; }
.more-link p { color: var(--mist); margin: 0 0 24px; }
.more-link .cap { margin-top: auto; pointer-events: none; }
.more-link:hover .cap { transform: rotate(-3deg) translateY(-2px); }
.more-link:hover .cap-b svg { transform: rotate(90deg); }
.more-link.slide-dark, .more-link.slide-dark:hover { color: var(--white); }
.more-link.slide-dark p { color: #C3CFE0; }

/* подсветка под курсором и наклон (наклон задаёт motion.js) */
.more-link, .proj { will-change: transform; }
.more-link::before, .proj::before { content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; opacity: 0; transition: opacity .3s; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .9), transparent 60%); }
.slide-dark::before { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(168, 203, 245, .18), transparent 60%); }
.more-link:hover::before, .proj:hover::before { opacity: 1; }

/* ================= Отдельные страницы ================= */
.page-head { position: relative; padding: 140px 0 8px; }
.page-head .wrap { position: relative; z-index: 1; }
.page-head h1 { font-size: clamp(2.6rem, 6.4vw, 5rem); font-weight: 820; letter-spacing: -.045em; line-height: .98; margin: 14px 0 22px; }
.back { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--mist); text-decoration: none; }
.back::before { content: ""; width: 28px; height: 28px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px currentColor; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2356657D' stroke-width='2'%3E%3Cpath d='M14 6l-6 6 6 6'/%3E%3C/svg%3E") center / 16px no-repeat; transition: transform .4s var(--spring); }
.back:hover { color: var(--ink); }
.back:hover::before { transform: translateX(-4px); }

/* Публикации */
.pubs { padding-top: 32px; }
.pub-group { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 24px; padding: 28px 0; border-top: 1px solid var(--line); }
.pub-group > h2 { font-size: 1.25rem; letter-spacing: -.01em; margin: 0; padding-top: 2px; }
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-list li { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 16px; padding: 4px 0 14px; }
.p-year { color: var(--mist); font-variant-numeric: tabular-nums; padding-top: 1px; }
.pub-list a, .p-title { font-weight: 600; font-size: 1.0625rem; line-height: 1.4; }
.pub-list p { margin: 4px 0 0; color: var(--mist); font-size: .95rem; }

/* Проекты */
.projects { padding-top: 40px; }
.proj-page { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 22px; align-items: stretch; }
.proj { display: flex; flex-direction: column; align-items: flex-start; padding-block: clamp(30px, 4vw, 48px); padding-right: clamp(28px, 4vw, 48px); }
.proj h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.proj p { max-width: 54ch; }
.proj .stack { font-size: .9rem; margin: 0 0 26px; color: var(--sky-deep); }
.proj .cap { margin-top: auto; }
.proj-main h2 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); letter-spacing: -.04em; }
.proj-main h2 a { color: var(--white); text-decoration-color: var(--sky-light); }
.proj-main p { color: #C3CFE0; font-size: 1.0625rem; }
.proj-main .stack { color: var(--sky-light); }
.proj-gh p { color: var(--mist); }

/* ================= Пациентам ================= */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 44px 18px 0; font-weight: 600; font-size: 1.0625rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
/* медицинский крест превращается в крестик закрытия */
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 16px; height: 16px; margin-top: -8px;
  background: linear-gradient(var(--sky), var(--sky)) center / 100% 2px no-repeat, linear-gradient(var(--sky), var(--sky)) center / 2px 100% no-repeat;
  transition: transform .45s var(--spring);
}
.faq details[open] summary::after { transform: rotate(135deg); }
.faq details p { color: var(--mist); padding-bottom: 8px; overflow: hidden; }

/* ================= Окно записи ================= */
.book-dialog {
  width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow: auto;
  border: 0; border-radius: 22px; padding: clamp(24px, 4vw, 40px); color: var(--ink); background: var(--white);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .22);
}
.book-dialog::backdrop { background: rgba(14, 27, 51, .6); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.book-dialog h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 56px 10px 0; }
.book-dialog[open] { animation: dlg-in .4s var(--spring); }
@keyframes dlg-in { from { opacity: 0; transform: translateY(18px) scale(.96); } }
@media (prefers-reduced-motion: reduce) { .book-dialog[open] { animation: none; } }
.dialog-close { position: absolute; top: 16px; right: 16px; }
.hint { color: var(--mist); font-size: .95rem; margin-bottom: 22px; }
.field { display: block; border: 0; padding: 0; margin: 0 0 18px; }
.field > span, .field legend { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; padding: 0; }
.field input:not([type="radio"]), .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; min-height: 48px;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sky) 25%, transparent); }
.field [aria-invalid="true"] { border-color: #C0392B; }
.field input::placeholder, .field textarea::placeholder { color: #5F6D83; opacity: 1; }
.err { display: block; color: #B03226; font-size: .875rem; min-height: 1.2em; margin-top: 4px; }
.way { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.way legend { width: 100%; }
.way label { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; cursor: pointer; }
.way input { accent-color: var(--sky); width: 18px; height: 18px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.status { margin: 16px 0 0; color: var(--sky-deep); font-weight: 500; white-space: pre-wrap; }

/* ================= Подвал ================= */
.footer {
  position: relative; overflow: hidden; color: #DCE5F2;
  background-color: var(--night);
  background-image: radial-gradient(760px 420px at var(--fx, 75%) var(--fy, 15%), rgba(42, 111, 196, .38), transparent 70%);
  padding-top: clamp(80px, 11vw, 140px);
}
.foot-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 18px 48px; }
.foot-top h2 { font-size: clamp(2.8rem, 7.6vw, 6.6rem); font-weight: 820; letter-spacing: -.05em; line-height: .92; color: var(--white); margin: 0; }
.foot-lede { grid-column: 1; color: #A9B7CB; margin: 0; font-size: 1.125rem; }
.foot-top .cap { grid-column: 2; grid-row: 1 / span 2; }
.contact-rows { list-style: none; margin: clamp(48px, 6vw, 80px) auto 0; padding: 0; }
.contact-rows li { position: relative; display: grid; grid-template-columns: 11rem minmax(0, 1fr); align-items: center; gap: 16px; border-top: 1px solid rgba(168, 203, 245, .16); }
.contact-rows li:last-child { border-bottom: 1px solid rgba(168, 203, 245, .16); }
/* полоса света пробегает по строке при наведении */
.contact-rows li::before { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, rgba(42, 111, 196, .32), rgba(42, 111, 196, 0) 70%); transform: scaleX(0); transform-origin: 0 50%; transition: transform .5s cubic-bezier(.2, .8, .2, 1); }
.contact-rows li:hover::before { transform: scaleX(1); }
.contact-rows span, .contact-rows a { position: relative; z-index: 1; }
.contact-rows span { color: #8EA0BA; font-size: .9rem; padding-left: 4px; }
.contact-rows a { display: block; padding: 18px 0; color: var(--white); font-size: clamp(1.25rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -.02em; text-decoration: none; overflow-wrap: anywhere; transition: transform .5s var(--spring), color .2s; }
.contact-rows li:hover a { transform: translateX(12px); color: var(--sky-light); }
.foot-bottom { display: flex; justify-content: space-between; gap: 12px 32px; flex-wrap: wrap; padding-top: 32px; color: #A9B7CB; font-size: .9rem; }
.foot-bottom p { margin: 0; }
/* ================= Декор отдельных страниц ================= */
/* разлетающиеся листы и иконки на странице публикаций */
.burst { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.burst-item { position: absolute; left: 0; top: 0; color: var(--sky); will-change: transform; }
.burst-item svg { display: block; width: 100%; height: auto; overflow: visible; }
/* код-дождь на странице проектов */
.matrix-bg { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.matrix-intro { position: fixed; inset: 0; z-index: 90; background: var(--night); display: grid; place-items: center; }
.matrix-intro canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.matrix-intro p { position: relative; margin: 0; color: var(--white); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.matrix-skip { position: absolute; right: 24px; bottom: 24px; color: #A9B7CB; background: none; border: 0; font: 500 .95rem var(--font); cursor: pointer; text-decoration: underline; }

/* фотографии в шапках страниц */
.page-photo { margin: 28px 0 0; border-radius: var(--glass-r); overflow: hidden; aspect-ratio: 21 / 8; box-shadow: inset 0 0 0 1px rgba(42, 111, 196, .2), 0 30px 50px -34px rgba(0, 0, 0, .6); }
.page-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ================= Адаптив ================= */
@media (max-width: 1080px) {
  .brand-name { display: none; }
}
@media (max-width: 860px) {
  .nav-bar { gap: 10px; }
  .nav-links {
    position: fixed; inset: 82px 16px auto 16px; flex-direction: column; gap: 2px;
    background: rgba(255, 255, 255, .96); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-radius: 22px; padding: 10px; box-shadow: inset 0 0 0 1px var(--line), 0 18px 40px rgba(0, 0, 0, .12);
    display: none; pointer-events: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 16px; font-size: 1.0625rem; }
  .menu-btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; border: 0; background: var(--sky-pale); font: 600 .95rem var(--font); color: var(--ink); cursor: pointer; }

  .hero { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; padding-top: 100px; min-height: 0; }
  .hero-photo { order: -1; justify-self: center; max-width: 360px; margin-bottom: 8px; }
  .arch { aspect-ratio: 1 / 1.05; }
  .hero-name { margin-right: 0; margin-top: 20px; }
  .hero-facts { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 36px; }
  .two, .atlas, .edu-cols, .more-grid, .proj-page { grid-template-columns: minmax(0, 1fr); }
  /* на телефоне схема стоит над вкладками, чтобы при переключении было видно анимацию */
  .if-wrap { order: -1; }
  .if-field { width: min(100%, 320px); }
  .if-wrap figcaption { margin-top: 14px; }
  .pub-group { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .foot-top { grid-template-columns: minmax(0, 1fr); }
  .foot-top .cap { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 10px; }
  .page-photo { aspect-ratio: 16 / 9; }
}
@media (max-width: 640px) {
  .nav { inset: 10px 0 auto 0; }
  .stamp { width: 40px; height: 40px; }
  .nav-cta .cap-a { padding: 0 10px 0 16px; }
  .nav-cta .cap-b { width: 38px; }
  .page-head { padding-top: 112px; }
  .facts div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .pub-list li { grid-template-columns: 3.2rem minmax(0, 1fr); gap: 10px; }
  .timeline li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .slide { padding: 26px 22px 24px 62px; }
  .slide::after, .slide-tag { width: 40px; }
  .contact-rows li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .contact-rows span { padding-top: 16px; }
  .contact-rows a { padding: 2px 0 16px; }
}

/* ================= Движение ================= */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; background: var(--sky); transform: scaleX(0); transform-origin: 0 50%; z-index: 30; pointer-events: none; }
.curtain { position: fixed; inset: 0; background: var(--sky); transform: scaleY(0); z-index: 100; pointer-events: none; }
.curtain-in .curtain { transform: scaleY(1); }
.page-head-code { overflow: hidden; }
.page-head-code .matrix-bg { opacity: .55; -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 75%); mask-image: linear-gradient(90deg, transparent 30%, #000 75%); }
.matrix-intro p { padding: 12px 24px; border-radius: 999px; background: var(--night); box-shadow: 0 0 0 1px rgba(168, 203, 245, .35); }

/* шапка страницы с фотографией: снимок уходит вправо, слева остаётся место для заголовка */
.page-head-photo { min-height: min(78vh, 720px); display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.page-bg { position: absolute; inset: 0; z-index: 0; }
.page-bg img { position: absolute; right: 0; top: 0; height: 100%; width: auto; max-width: none; min-width: 72%; object-fit: cover; object-position: right center; }
.page-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--paper) 0 26%, rgba(246, 249, 253, .82) 42%, rgba(246, 249, 253, 0) 70%), linear-gradient(0deg, var(--paper) 0, rgba(246, 249, 253, 0) 28%); }
@media (max-width: 860px) {
  .page-head-photo { min-height: 0; }
  .page-bg img { min-width: 0; width: 100%; height: 100%; object-position: 70% center; opacity: .55; }
  .page-bg::after { background: linear-gradient(0deg, var(--paper) 0, rgba(246, 249, 253, .4) 60%); }
}

/* ================= Пациентам: поиск и темы ================= */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.more-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.page-head-patients .page-bg img { min-width: 0; width: 58%; object-position: center; }
.pinfo { padding-top: 24px; }
.psearch { position: sticky; top: 92px; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; padding: 10px; border-radius: 999px; background: rgba(255, 255, 255, .9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: inset 0 0 0 1px var(--line), 0 18px 36px -24px rgba(0, 0, 0, .45); }
.psearch-field { flex: 1 1 320px; display: flex; align-items: center; gap: 10px; padding: 0 18px; min-height: 52px; border-radius: 999px; background: var(--paper); color: var(--mist); box-shadow: inset 0 0 0 1.5px var(--line); transition: box-shadow .2s; }
.psearch-field:focus-within { box-shadow: inset 0 0 0 2px var(--sky); color: var(--sky); }
.psearch-field input { flex: 1; min-width: 0; border: 0; background: none; font: 500 1.0625rem var(--font); color: var(--ink); outline: none; }
.psearch-field input::placeholder { color: #5F6D83; opacity: 1; }
.ptopics { display: flex; flex-wrap: wrap; gap: 6px; padding-right: 6px; }
.ptopic { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 0; cursor: pointer; font: 500 .95rem var(--font); color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1.5px var(--line); transition: background-color .2s, color .2s, box-shadow .2s; }
.ptopic:hover { box-shadow: inset 0 0 0 1.5px var(--sky); }
.ptopic[aria-pressed="true"] { background: var(--ink); color: var(--white); box-shadow: none; }
.pcount { color: var(--mist); margin: 26px 0 6px; font-size: .95rem; }
.pfaq details { scroll-margin-top: 180px; }
.pfaq .ptag { display: inline-block; margin-right: 10px; padding: 2px 10px; border-radius: 999px; background: var(--sky-pale); color: var(--sky-deep); font-size: .8rem; font-weight: 600; vertical-align: 2px; }
.pfaq mark { background: #FFE58A; color: inherit; border-radius: 3px; padding: 0 1px; }
.pempty { margin-top: 24px; padding: 34px 34px 34px 78px; }
.pempty h2 { font-size: 1.6rem; margin-bottom: 8px; }
@media (max-width: 980px) { .more-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 860px) {
  .page-head-patients .page-bg img { width: 100%; }
  .psearch { position: static; border-radius: 22px; }
}
.page-bg img { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 38%); mask-image: linear-gradient(90deg, transparent 0, #000 38%); }
.more { padding-bottom: clamp(72px, 11vw, 140px); }
@media (max-width: 860px) { .page-bg img { -webkit-mask-image: none; mask-image: none; } }

/* фото в печати шапки: на главной прилетает из арки при прокрутке, на остальных страницах стоит сразу */

/* ================= Атлас: переключатель методов и лампа Вуда ================= */
.atlas-head { position: relative; }
.mode-switch { position: relative; display: inline-grid; grid-template-columns: 1fr 1fr; padding: 5px; margin: 0 0 22px; border-radius: 999px; background: #0F1B2E; box-shadow: inset 0 0 0 1px #22344F; }
.mode-thumb { position: absolute; top: 5px; bottom: 5px; left: 5px; width: calc(50% - 5px); border-radius: 999px; background: var(--if-glow); transition: transform .5s var(--spring), background-color .3s; }
.mode-switch[data-mode="wood"] .mode-thumb { transform: translateX(100%); background: #B79CFF; }
.mode-btn { position: relative; z-index: 1; min-height: 46px; padding: 0 22px; border: 0; border-radius: 999px; background: none; cursor: pointer; font: 600 .975rem var(--font); color: #C9D4E3; transition: color .3s; white-space: nowrap; }
.mode-btn[aria-selected="true"] { color: var(--if-bg); }
.mode-btn:focus-visible { outline-color: var(--if-glow); }
.wood-field { cursor: crosshair; touch-action: none; box-shadow: 0 0 0 10px #160F2A, 0 0 0 11px #3A2D63; }
.wchip { --c: var(--if-glow); color: var(--c); background: color-mix(in srgb, var(--c) 14%, transparent); }
#mode-wood .tab[aria-selected="true"] { background: #B79CFF; border-color: #B79CFF; }
@media (max-width: 640px) {
  .mode-switch { display: grid; width: 100%; }
  .mode-btn { padding: 0 8px; font-size: .84rem; }
  .sl-label text { font-size: 18px; }
  .sg-pill text { font-size: 22px; }
  .epi-day, .bm-cap { font-size: 22px; }
}
/* иконки направлений */
.area-icon { width: 84px; height: 84px; margin: -6px 0 12px -8px; transition: transform .5s var(--spring); }
.area-list article:hover .area-icon { transform: rotate(-6deg) scale(1.06); }
@media (max-width: 640px) { .area-icon { width: 68px; height: 68px; } }
/* лампа Вуда: два растровых слоя, луч двигается только сдвигом (без перерисовки) */
.wood-field { position: relative; background: #05030C; }
.wood-base { position: absolute; left: 0; top: 0; }
.wood-beam { position: absolute; left: 0; top: 0; border-radius: 50%; overflow: hidden; will-change: transform; box-shadow: 0 0 0 2px rgba(183, 156, 255, .55); }
.wood-beam::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle, transparent 62%, rgba(8, 5, 20, .7) 100%); pointer-events: none; }
.wood-uv { position: absolute; left: 0; top: 0; will-change: transform; }

/* ================= Обучение ================= */
.learn-head { padding-bottom: clamp(40px, 6vw, 72px); }
.toc { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.toc-item { display: flex; flex-direction: column; gap: 2px; padding: 14px 20px; border-radius: 16px; text-decoration: none; color: var(--ink); background: var(--white); box-shadow: inset 0 0 0 1.5px var(--line); transition: box-shadow .2s, transform .4s var(--spring); }
.toc-item b { font-weight: 650; }
.toc-item span { color: var(--mist); font-size: .9rem; }
.toc-item:hover { color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--sky); transform: translateY(-2px); }
.more-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split-sec { background: var(--white); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: center; margin-top: 24px; }
.split .tab { color: var(--ink); border-color: var(--line); }
.split .tab:hover { color: var(--ink); border-color: var(--sky); }
.split .tab[aria-selected="true"] { color: var(--white); background: var(--sky); border-color: var(--sky); }
.split .panel h3 { color: var(--ink); }
.split .facts div { border-top-color: var(--line); }
.split .facts dt { color: var(--mist); }
.schip { color: var(--sky-deep); background: var(--sky-pale); }
.split-wrap { margin: 0; padding: 22px 22px 16px 70px; }
.split-wrap svg { width: 100%; height: auto; display: block; }
.split-wrap figcaption { color: var(--mist); font-size: .875rem; margin-top: 8px; }
.sl-label text { transition: fill .3s; }
.sl-label.on text { fill: #2A6FC4; font-weight: 700; }
.sl-label.on line { stroke: #2A6FC4; }
@media (max-width: 980px) { .split { grid-template-columns: minmax(0, 1fr); } .split-wrap { order: -1; } }
@media (max-width: 860px) { .more-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) { .split-wrap { padding: 16px 12px 12px 52px; } }
.split-sec .atlas-head p { color: var(--mist); font-size: 1.125rem; }
@media (max-width: 640px) {
  .split-wrap.slide { padding: 12px 8px 10px; margin-inline: calc(var(--gutter) * -.5); }
  .split-wrap.slide::after, .split-wrap .slide-tag { display: none; }
}

/* ================= Обучение: строение кожи и патоморфология ================= */
.learn-sec { background: var(--white); }
.learn-sec .atlas-head p { color: var(--mist); font-size: 1.125rem; }
.learn-sec .tab { color: var(--ink); border-color: var(--line); }
.learn-sec .tab:hover { color: var(--ink); border-color: var(--sky); }
.learn-sec .tab[aria-selected="true"] { color: var(--white); background: var(--sky); border-color: var(--sky); }
.learn-sec .panel h3 { color: var(--ink); }
.learn-sec .facts div { border-top-color: var(--line); }
.learn-sec .facts dt { color: var(--mist); }
.patho-sec, .alt-sec { background: var(--paper); }
.k-text p { margin: 0 0 .8em; }
.k-text p:last-child { margin-bottom: 0; }
.sub-lede { color: var(--mist); max-width: 60ch; margin: -6px 0 0; }
#signSvg { touch-action: pan-y; cursor: ew-resize; user-select: none; -webkit-user-select: none; }
#signSvg:focus-visible { outline: 3px solid var(--sky); outline-offset: 4px; border-radius: 8px; }
.skin { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 64px); align-items: center; margin-top: 24px; }
.skin-wrap { margin: 0; padding: 18px 18px 18px 68px; }
.skin-wrap svg, .step-stage svg { width: 100%; height: auto; display: block; }
.sk { cursor: pointer; }
.k-text { color: var(--mist); font-size: 1.0625rem; }
.sub-h { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin: 40px 0 18px; }
.steps { display: grid; gap: 18px; }
.step-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.step { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 16px 0 8px; border: 0; border-radius: 999px; cursor: pointer; font: 500 .95rem var(--font); color: var(--ink); background: var(--white); box-shadow: inset 0 0 0 1.5px var(--line); transition: background-color .2s, color .2s; }
.step-n { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--sky-pale); color: var(--sky-deep); font-weight: 700; font-size: .85rem; }
.step.done .step-n { background: var(--sky); color: var(--white); }
.step[aria-selected="true"] { background: var(--ink); color: var(--white); box-shadow: none; }
.step[aria-selected="true"] .step-n { background: var(--white); color: var(--ink); }
.step-stage { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 28px; align-items: center; margin: 0; padding: 22px 28px 22px 74px; }
.step-text h4 { margin: 0 0 8px; font-size: 1.5rem; letter-spacing: -.02em; }
.step-text p { color: var(--mist); }
.he-wrap { background: linear-gradient(160deg, #fff, #fbf2f6); }
@media (max-width: 980px) { .skin, .step-stage { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) {
  .skin-wrap.slide, .step-stage.slide { padding: 14px; }
  .skin-wrap.slide::after, .skin-wrap .slide-tag, .step-stage.slide::after, .step-stage .slide-tag { display: none; }
}

/* ================= Обучение: учебная микроскопия =================
   Шапка — поле зрения микроскопа, оглавление — кассета предметных стёкол,
   вкладки — указатель препаратов с бегущей рамкой, заголовки — номер препарата и «объектив». */
.learn-head.page-head-photo { min-height: min(86vh, 780px); }
.scope { position: absolute; z-index: 0; left: 68%; top: 50%; width: 0; height: 0; pointer-events: none; }
.scope svg { position: absolute; left: 50%; top: 50%; width: 100%; height: 100%; transform: translate(-50%, -50%); overflow: visible; }
.learn-head h1 { max-width: 9ch; }

/* кассета со стёклами */
.tray { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 900px; margin-top: 30px; padding: 12px; border-radius: 18px; background: linear-gradient(180deg, rgba(220, 230, 242, .85), rgba(232, 239, 248, .85)); box-shadow: inset 0 2px 8px rgba(19, 35, 63, .14), inset 0 0 0 1px rgba(19, 35, 63, .06); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.tray-slide { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 34%; min-height: 96px; border-radius: 6px; overflow: hidden; text-decoration: none; color: var(--ink); background: linear-gradient(160deg, rgba(255, 255, 255, .92), rgba(236, 243, 251, .85)); box-shadow: inset 0 0 0 1px rgba(42, 111, 196, .2), inset 0 1px 0 #fff, 0 10px 18px -12px rgba(19, 35, 63, .45); transition: transform .5s var(--spring), box-shadow .3s; }
.tray-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, .55) 50%, transparent 60%); transform: translateX(-100%); transition: transform .8s ease; pointer-events: none; }
.tray-slide:hover { color: var(--ink); transform: translateY(-8px) rotate(-1.2deg); box-shadow: inset 0 0 0 1px rgba(42, 111, 196, .4), inset 0 1px 0 #fff, 0 22px 30px -16px rgba(19, 35, 63, .5); }
.tray-slide:hover::after { transform: translateX(100%); }
.ts-label { display: flex; flex-direction: column; justify-content: center; gap: 2px; padding: 12px 14px; background: repeating-linear-gradient(135deg, rgba(19, 35, 63, .045) 0 1px, transparent 1px 4px), #EEF3F9; box-shadow: inset -1px 0 0 rgba(42, 111, 196, .18); }
.ts-label i { font-style: normal; font-size: .72rem; font-weight: 700; letter-spacing: .1em; color: var(--sky); font-variant-numeric: tabular-nums; }
.ts-label b { font-weight: 680; line-height: 1.2; }
.ts-label span { color: var(--mist); font-size: .82rem; line-height: 1.3; }
.ts-smear { position: relative; }
.ts-smear::before { content: ""; position: absolute; inset: 30% 10%; border-radius: 46% 54% 50% 50% / 55% 45% 55% 45%; background: var(--stain); opacity: .92; box-shadow: 0 0 0 1px rgba(19, 35, 63, .05); transition: transform .6s var(--spring); }
.tray-slide:hover .ts-smear::before { transform: scale(1.12) rotate(-6deg); }
.st-epi { --stain: radial-gradient(circle, #6B3A86 1.2px, transparent 1.7px) 0 0 / 7px 7px, linear-gradient(#F3DCC4 0 22%, #F2B5CD 22%); }
.st-bm { --stain: linear-gradient(#F0C3AE 0 38%, #FFF8F0 38% 50%, #A0718C 50% 62%, #FBE4E2 62%); }
.st-derm { --stain: repeating-linear-gradient(168deg, #F6D3D3 0 5px, #E4A3AE 5px 8px); }
.st-patho { --stain: radial-gradient(circle, #4A2C7A 1.3px, transparent 1.9px) 0 0 / 6px 6px, #E98AB0; }
.st-split { --stain: radial-gradient(ellipse 38% 26% at 50% 40%, #CFE1F8 0 96%, transparent 100%), linear-gradient(#F2B5CD 0 56%, #F9E0E9 56%); }
.st-atlas { --stain: radial-gradient(circle, #7CFFB2 0 1.4px, transparent 2.2px) 0 0 / 8px 8px, #07101E; }
@media (max-width: 860px) { .tray { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) {
  .tray { gap: 8px; padding: 8px; }
  .tray-slide { grid-template-columns: minmax(0, 1fr); grid-template-rows: 40px auto; min-height: 0; }
  .ts-smear { order: -1; }
  .ts-smear::before { inset: 8px 14%; }
  .ts-label { padding: 8px 10px 10px; box-shadow: inset 0 1px 0 rgba(42, 111, 196, .18); }
  .ts-label b { font-size: .92rem; }
  .ts-label span { display: none; }
}

/* номер препарата и «объектив» над заголовком раздела */
.prep { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 16px; font-size: .78rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; color: var(--sky-deep); }
.prep b { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; font-size: .8rem; letter-spacing: 0; color: var(--white); background: var(--ink); box-shadow: inset 0 0 0 4px var(--ink), inset 0 0 0 5.5px #4A6290; font-variant-numeric: tabular-nums; }
.prep span { padding: 5px 12px; border-radius: 999px; background: var(--sky-pale); }
.atlas-sec .prep { color: var(--sky-light); }
.atlas-sec .prep b { background: var(--if-glow); color: var(--if-bg); box-shadow: inset 0 0 0 4px var(--if-glow), inset 0 0 0 5.5px #0B5F3C; }
.atlas-sec .prep span { background: rgba(124, 255, 178, .1); }

/* вкладки — указатель препаратов: номера, тонкие линии, бегущая рамка */
.learn-sec .tabs, .split-sec .tabs { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; counter-reset: tb; margin-bottom: 26px; }
.learn-sec .tabs .tab, .split-sec .tabs .tab { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 10px; min-height: 46px; padding: 11px 12px 11px 12px; border: 0; border-radius: 10px; background: none; color: var(--mist); text-align: left; font: 500 .975rem/1.3 var(--font); box-shadow: inset 0 -1px 0 var(--line); transition: color .2s; }
.learn-sec .tabs .tab::before, .split-sec .tabs .tab::before { counter-increment: tb; content: counter(tb, decimal-leading-zero); flex: none; min-width: 1.7em; font-size: .74rem; font-weight: 700; letter-spacing: .05em; color: var(--sky); font-variant-numeric: tabular-nums; }
.learn-sec .tabs .tab:hover, .split-sec .tabs .tab:hover { color: var(--ink); border-color: transparent; }
.learn-sec .tabs .tab[aria-selected="true"], .split-sec .tabs .tab[aria-selected="true"] { color: var(--ink); font-weight: 650; background: var(--sky-pale); box-shadow: none; }
.tabs.has-ind .tab[aria-selected="true"] { background: none; }
.tab-ind { position: absolute; z-index: 0; left: 0; top: 0; border-radius: 10px; background: var(--sky-pale); box-shadow: inset 3px 0 0 var(--sky), 0 8px 18px -12px rgba(19, 35, 63, .55); transition: transform .5s var(--spring), width .35s ease, height .35s ease; pointer-events: none; }
.alt-sec .tab-ind, .patho-sec .tab-ind { background: var(--white); }
@media (prefers-reduced-motion: reduce) { .tab-ind { transition: none; } }
@media (max-width: 420px) { .learn-sec .tabs .tab, .split-sec .tabs .tab { font-size: .9rem; padding-inline: 8px; gap: 7px; } }
/* схема «прилипает» и остаётся перед глазами, пока читается длинное описание */
@media (min-width: 981px) {
  .learn-sec .skin, .learn-sec .split, .split-sec .split { align-items: start; }
  .learn-sec .skin-wrap, .learn-sec .split-wrap, .split-sec .split-wrap { position: sticky; top: 104px; }
}
@media (max-width: 520px) { .prep { gap: 10px; font-size: .68rem; letter-spacing: .05em; } .prep b { width: 34px; height: 34px; } }
.no-scroll { overflow: hidden; }