/* ============================================================
   medicina.asia — доказательная медицина востока
   Светлый, премиальный, минималистичный. Нефрит + золото.
   ============================================================ */

/* ---------- Токены ---------- */
:root {
  --paper: #F6F7F3;
  --surface: #FFFFFF;
  --ink: #17231E;
  --ink-2: #54635C;
  --ink-3: #7C8A83;

  --jade: #0E6F5A;
  --jade-deep: #0A4F41;
  --jade-soft: #E7EFEA;
  --jade-wash: rgba(14, 111, 90, 0.08);

  --gold: #B5892F;
  --gold-soft: #F3EBD9;

  --line: #E5E9E2;
  --mist: #EDF1EB;

  --radius: 22px;
  --radius-sm: 14px;
  --shadow-soft: 0 30px 70px -40px rgba(14, 40, 30, 0.35);
  --shadow-card: 0 24px 60px -38px rgba(14, 40, 30, 0.4);

  --font-display: 'Prata', 'Georgia', serif;
  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --space-section: clamp(80px, 12vw, 150px);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.03rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

::selection { background: var(--jade); color: #fff; }

:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Тонкий скроллбар */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-thumb { background: #CBD4CC; border-radius: 8px; border: 3px solid var(--paper); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Контейнер и секции ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-section); position: relative; }
.section--tight { padding-block: calc(var(--space-section) * 0.6); }
.section--mist { background: var(--mist); }
.section--paper { background: var(--paper); }

/* ---------- Типографика ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jade);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold);
  flex: none;
}

.display-title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.6vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.lede {
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
  color: var(--ink-2);
  max-width: 64ch;
}

.mono { font-family: var(--font-mono); font-size: 0.86rem; }

.section-head { max-width: 780px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head .lede { margin-top: 20px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--jade); color: #fff; }
.btn--primary:hover { background: var(--jade-deep); transform: translateY(-2px); box-shadow: 0 18px 40px -18px rgba(10,79,65,0.55); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--jade); color: var(--jade-deep); transform: translateY(-2px); }
.btn--gold { background: var(--gold); color: #fff; }
.btn--gold:hover { background: #9c7728; transform: translateY(-2px); box-shadow: 0 18px 40px -18px rgba(181,137,47,0.6); }
.btn--lg { padding: 17px 34px; font-size: 1.03rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.is-scrolled {
  background: rgba(246, 247, 243, 0.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__mark .mark-circle { fill: none; stroke: var(--jade); stroke-width: 1.6; }
.brand__mark .mark-pulse { fill: none; stroke: var(--jade); stroke-width: 2; stroke-linecap: round; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: 0.02em;
}
.brand__tld { color: var(--jade); }

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav__link {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
  padding-block: 6px;
  transition: color 0.2s ease;
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--jade);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-nav__link:hover { color: var(--ink); }
.site-nav__link:hover::after,
.site-nav__link.is-active::after { transform: scaleX(1); }
.site-nav__link.is-active { color: var(--ink); }
.site-nav__cta { padding: 11px 22px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (главная) ---------- */
.hero {
  position: relative;
  padding-top: clamp(120px, 18vh, 170px);
  padding-bottom: clamp(60px, 8vw, 100px);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(14,111,90,0.10), transparent 55%),
    radial-gradient(90% 70% at -10% 30%, rgba(181,137,47,0.08), transparent 55%),
    var(--paper);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.2vw, 4.15rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
}
.hero__title em { font-style: normal; color: var(--jade); }
.hero__lede { margin-top: 26px; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--ink-2); max-width: 54ch; }
.hero__actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero__trust {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
}
.hero__trust li {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero__trust li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex: none; }

.hero__visual { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero__halo {
  position: absolute;
  inset: 6% 2%;
  background: radial-gradient(closest-side, rgba(14,111,90,0.16), rgba(181,137,47,0.07) 60%, transparent 75%);
  border-radius: 50%;
  animation: breathe 9s ease-in-out infinite;
}
.hero__figure {
  position: relative;
  width: min(430px, 100%);
  height: auto;
  filter: drop-shadow(0 40px 60px rgba(14,40,30,0.14));
  animation: float 8s ease-in-out infinite;
}

/* Editorial-подписи к иллюстрациям («Рис. N») */
.figure-caption {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  text-align: center;
}

/* Пульсовая линия внизу hero */
.hero__pulse { position: absolute; left: 0; right: 0; bottom: 0; height: 74px; opacity: 0.5; }
.hero__pulse svg { width: 100%; height: 100%; }
.hero__pulse .wave { fill: none; stroke: var(--jade); stroke-width: 1.4; stroke-linecap: round; stroke-dasharray: 6 14; animation: waveflow 22s linear infinite; }

@keyframes waveflow { to { stroke-dashoffset: -600; } }
@keyframes breathe {
  0%, 100% { scale: 1; opacity: 1; }
  50% { scale: 1.06; opacity: 0.82; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Полоса доверия / быстрые цифры ---------- */
.trust-band {
  border-block: 1px solid var(--line);
  background: var(--surface);
  padding-block: 22px;
}
.trust-band__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px 34px;
}
.trust-band__list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}

/* ---------- Статистика ---------- */
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
}
.stat { border-left: 1px solid var(--line); padding-left: clamp(16px, 2vw, 28px); }
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.1;
  color: var(--jade-deep);
}
.stat__suffix { font-family: var(--font-mono); font-size: 1rem; color: var(--gold); }
.stat__label { margin-top: 10px; color: var(--ink-2); font-size: 0.95rem; max-width: 24ch; }

/* ---------- Карточки «Что говорит наука» ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--jade), var(--gold));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card__icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--jade-wash);
  display: flex; align-items: center; justify-content: center;
  color: var(--jade);
}
.card__icon svg { width: 24px; height: 24px; }
.card__title { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.3; }
.card__text { color: var(--ink-2); font-size: 0.98rem; }
.card__markers { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.card__marker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--jade-deep);
  background: var(--jade-soft);
  border-radius: 999px;
  padding: 5px 12px;
}
.card__link {
  margin-top: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--jade);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.card__link svg { width: 16px; height: 16px; transition: transform 0.25s ease; }
.card__link:hover svg { transform: translateX(4px); }

/* ---------- Параллакс-полоса ---------- */
.parallax {
  position: relative;
  overflow: hidden;
  height: clamp(220px, 34vw, 420px);
  background: var(--surface);
}
.parallax__layer {
  position: absolute;
  inset: -18% 0;
  background-image: url("../img/network-flow.webp");
  background-repeat: repeat-x;
  background-position: center;
  background-size: auto 130%;
  opacity: 0.85;
  will-change: transform;
}

/* ---------- Текстовая лента-цитата ---------- */
.pull {
  position: relative;
  border-left: 2px solid var(--gold);
  padding-left: clamp(20px, 3vw, 34px);
}
.pull blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.5;
  color: var(--ink);
}
.pull footer { margin-top: 18px; font-size: 0.9rem; color: var(--ink-3); }

/* ---------- Модель L0–L7 ---------- */
.model { background: linear-gradient(180deg, var(--mist), var(--paper)); }
.model__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.model__tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  transition: all 0.25s ease;
}
.model__tab:hover { border-color: var(--jade); color: var(--jade-deep); }
.model__tab.is-active { background: var(--jade); border-color: var(--jade); color: #fff; }

.model__stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  margin-top: clamp(30px, 4vw, 50px);
}

.model__diagram {
  position: relative;
  aspect-ratio: 1 / 1.12;
  display: flex;
  align-items: center;
  justify-content: center;
}
.model__figure {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 78%;
  height: auto;
  opacity: 0.92;
  filter: drop-shadow(0 30px 50px rgba(14,40,30,0.12));
}
.model__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(14, 111, 90, 0.28);
  border-radius: 50%;
  background: transparent;
  transition: border-color 0.35s ease, background 0.35s ease, box-shadow 0.35s ease, opacity 0.35s ease;
  pointer-events: auto;
  cursor: pointer;
}
.model__ring:hover { border-color: var(--jade); }
.model__ring.is-selected {
  border-color: var(--jade);
  background: var(--jade-wash);
  box-shadow: 0 0 0 6px rgba(14,111,90,0.06);
}
.model__ring.is-dim { opacity: 0.35; }

.model__aura {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(181,137,47,0.05), rgba(14,111,90,0.06) 55%, transparent 80%);
  pointer-events: auto;
  cursor: pointer;
  transition: opacity 0.35s ease;
}
.model__aura.is-selected { background: radial-gradient(closest-side, rgba(181,137,47,0.14), rgba(14,111,90,0.12) 55%, transparent 82%); }

.model__core {
  position: absolute;
  top: 15.5%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 26px; height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold) 0%, var(--jade) 70%);
  box-shadow: 0 0 0 0 rgba(14,111,90,0.35);
  animation: corePulse 3.6s ease-in-out infinite;
  cursor: pointer;
  pointer-events: auto;
}
@keyframes corePulse {
  0% { box-shadow: 0 0 0 0 rgba(14,111,90,0.4); }
  70% { box-shadow: 0 0 0 22px rgba(14,111,90,0); }
  100% { box-shadow: 0 0 0 0 rgba(14,111,90,0); }
}

.model__chip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--jade-deep);
  display: flex; align-items: center; justify-content: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 10px 24px -12px rgba(14,40,30,0.3);
  transition: all 0.25s ease;
  z-index: 3;
}
.model__chip:hover, .model__chip.is-selected { background: var(--jade); border-color: var(--jade); color: #fff; }

.model__cascade { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 4; }
.model__cascade path { fill: none; stroke-linecap: round; }
.cascade-down { stroke: var(--jade); stroke-width: 1.6; stroke-dasharray: 7 9; animation: cascadeFlow 14s linear infinite; }
.cascade-up { stroke: var(--gold); stroke-width: 1.6; stroke-dasharray: 7 9; animation: cascadeFlow 14s linear infinite reverse; }
.cascade-loop { stroke: var(--ink-3); stroke-width: 1.2; stroke-dasharray: 2 7; }
@keyframes cascadeFlow { to { stroke-dashoffset: -320; } }

.model__cascade-labels { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.model__cascade-labels .cl {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.cl--down { left: 2%; top: 50%; transform: translateY(-50%) rotate(-90deg); color: var(--jade); transform-origin: left center; }
.cl--up { right: 2%; top: 50%; transform: translateY(-50%) rotate(90deg); color: var(--gold); transform-origin: right center; }
.cl--loop { left: 50%; bottom: 0; transform: translateX(-50%); color: var(--ink-3); }
@media (max-width: 560px) {
  .cl--down, .cl--up { display: none; }
}

/* Панель слоя */
.model__panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: var(--shadow-soft);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.model__panel-head { display: flex; align-items: center; gap: 16px; }
.model__panel-code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #fff;
  background: var(--jade);
  border-radius: 12px;
  padding: 8px 14px;
  flex: none;
}
.model__panel-head h3 { font-family: var(--font-display); font-size: 1.45rem; }
.model__panel dl { margin: 0; display: grid; gap: 14px; }
.model__panel dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 3px;
}
.model__panel dd { margin: 0; color: var(--ink-2); font-size: 0.96rem; line-height: 1.6; }
.model__panel dd.mono { color: var(--jade-deep); }
.model__refs { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.ref-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--jade-deep);
  background: var(--jade-soft);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 6px 12px;
  transition: all 0.2s ease;
}
.ref-chip:hover { border-color: var(--jade); background: transparent; }

.model__legend {
  margin-top: clamp(30px, 4vw, 46px);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: center;
  padding: 20px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
}
.model__legend-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--ink-2); }
.model__legend-swatch { width: 18px; height: 18px; border-radius: 6px; flex: none; }
.model__legend-item .mono { color: var(--ink-3); }

/* ---------- Механизмы: текстовые блоки ---------- */
.mech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}
.mech-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.mech-card--wide { grid-column: 1 / -1; }
.mech-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.mech-card h3 { font-family: var(--font-display); font-size: 1.3rem; }
.mech-card__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold);
  flex: none;
}
.mech-card p { color: var(--ink-2); }
.mech-card .simple {
  background: var(--jade-wash);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.95rem;
  color: var(--ink);
}
.mech-card .simple strong { color: var(--jade-deep); font-weight: 600; }
.mech-card__markers { display: flex; flex-wrap: wrap; gap: 8px; }
.data-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 0.93rem;
}
.data-row:last-child { border-bottom: 0; }
.data-row .k { color: var(--ink-2); }
.data-row .v { font-family: var(--font-mono); color: var(--jade-deep); text-align: right; }

/* ---------- Доказательная база ---------- */
.evidence-intro { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; justify-content: space-between; }
.evidence-legend { font-size: 0.88rem; color: var(--ink-2); max-width: 46ch; }
.evidence-legend .levels { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.evidence-legend .level { display: flex; gap: 10px; align-items: baseline; }
.evidence-legend .lv { font-family: var(--font-mono); font-size: 0.72rem; color: var(--jade-deep); flex: none; width: 4.5em; }

.evidence-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 40px);
  margin-bottom: clamp(18px, 2.6vw, 30px);
  display: grid;
  grid-template-columns: 0.9fr 1.6fr auto;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.evidence-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.evidence-card__index { font-family: var(--font-display); font-size: 2.2rem; color: var(--jade); line-height: 1; }
.evidence-card__name { font-family: var(--font-display); font-size: 1.5rem; margin-top: 10px; }
.evidence-card__effect { color: var(--ink-2); margin-top: 8px; }
.evidence-card__biomarkers { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.evidence-card__side { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.evidence-card__side .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.evidence-card__side .refs { display: flex; flex-wrap: wrap; gap: 8px; }

.limitations {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px);
}
.limitations h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 16px; }
.limitations ul { display: grid; gap: 12px; }
.limitations li { color: var(--ink-2); padding-left: 22px; position: relative; }
.limitations li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }

/* ---------- Методика ---------- */
.method-hero { display: grid; grid-template-columns: 1fr 0.9fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.method-hero__figure { position: relative; }
.method-hero__figure .halo { position: absolute; inset: 6%; background: radial-gradient(closest-side, rgba(14,111,90,0.14), transparent 72%); border-radius: 50%; animation: breathe 9s ease-in-out infinite; }
.method-hero__figure img { position: relative; width: min(400px, 100%); height: auto; margin-inline: auto; filter: drop-shadow(0 40px 60px rgba(14,40,30,0.13)); }

.components { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 28px); counter-reset: comp; }
.component { position: relative; padding-top: 12px; }
.component__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 12px;
}
.component h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 10px; }
.component p { color: var(--ink-2); font-size: 0.97rem; }
.component .phys { margin-top: 16px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--jade-deep); }

.qi-science {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}
.qi-science__list { display: grid; gap: 14px; margin-top: 22px; }
.qi-science__list li {
  display: flex; gap: 14px; align-items: flex-start;
  color: var(--ink-2);
}
.qi-science__list li::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--gold); flex: none; margin-top: 9px; }

.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 30px); }
.safety-box { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 30px); background: var(--surface); }
.safety-box--ok { border-top: 3px solid var(--jade); }
.safety-box--care { border-top: 3px solid var(--gold); }
.safety-box h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 12px; }
.safety-box p, .safety-box li { color: var(--ink-2); font-size: 0.97rem; }
.safety-box ul { display: grid; gap: 8px; }
.safety-box li { padding-left: 18px; position: relative; }
.safety-box--ok li::before { content: "·"; position: absolute; left: 2px; color: var(--jade); font-weight: 700; }
.safety-box--care li::before { content: "·"; position: absolute; left: 2px; color: var(--gold); font-weight: 700; }

/* ---------- CTA ---------- */
.cta-band {
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(14,111,90,0.16), transparent 60%),
    var(--jade-deep);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/network-flow.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  mix-blend-mode: screen;
  pointer-events: none;
}
.cta-band__title { font-family: var(--font-display); font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.25; position: relative; }
.cta-band p { color: rgba(255,255,255,0.78); margin-top: 18px; position: relative; }
.cta-band .btn { position: relative; margin-top: 30px; }
.cta-band__note { font-family: var(--font-mono); font-size: 0.72rem; color: rgba(255,255,255,0.55); margin-top: 22px; position: relative; }

/* ---------- Контакты / форма ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 60px); align-items: start; }
.contact-info { display: grid; gap: 26px; }
.contact-block h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 10px; }
.contact-block p, .contact-block li { color: var(--ink-2); font-size: 0.97rem; }
.contact-block ul { display: grid; gap: 10px; }
.contact-block li { display: flex; gap: 12px; align-items: flex-start; }
.contact-block li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--jade); flex: none; margin-top: 9px; }
.contact-block a { color: var(--jade-deep); font-weight: 600; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3.4vw, 42px);
  box-shadow: var(--shadow-soft);
}
.form-card h2 { font-family: var(--font-display); font-size: 1.6rem; }
.form-card .form-sub { color: var(--ink-2); margin-top: 10px; font-size: 0.97rem; }
.form { margin-top: 26px; display: grid; gap: 18px; }
.form-field { display: grid; gap: 8px; }
.form-field label { font-size: 0.9rem; font-weight: 600; }
.form-field label .req { color: var(--gold); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--jade);
  box-shadow: 0 0 0 4px rgba(14,111,90,0.1);
  background: var(--surface);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.82rem; color: var(--ink-3); }
.form-success {
  border: 1px solid rgba(14,111,90,0.35);
  border-top: 3px solid var(--jade);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14,111,90,0.06), rgba(14,111,90,0.02));
  padding: clamp(24px, 3vw, 36px);
  text-align: center;
}
.form-success__title { font-family: var(--font-display); font-size: 1.5rem; color: var(--jade-deep); }
.form-success p + p { margin-top: 12px; color: var(--ink-2); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: clamp(50px, 6vw, 80px) 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: clamp(30px, 4vw, 60px);
}
.footer-brand .brand__name { font-size: 1.25rem; }
.footer-brand p { margin-top: 16px; color: var(--ink-2); font-size: 0.95rem; max-width: 40ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { color: var(--ink-2); font-size: 0.96rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--jade); }
.footer-bottom {
  margin-top: clamp(40px, 5vw, 60px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-3);
  font-size: 0.86rem;
}
.footer-disclaimer {
  margin-top: 30px;
  padding: 18px 22px;
  background: var(--mist);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--ink-3);
  line-height: 1.6;
}
.footer-disclaimer strong { color: var(--ink-2); font-weight: 600; }

/* ---------- Reveal-анимации ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.6, 0.2, 1); transition-delay: var(--delay, 0s); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Адаптивность ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .hero__figure { width: min(320px, 72%); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .model__stage { grid-template-columns: 1fr; }
  .model__diagram { max-width: 520px; margin-inline: auto; width: 100%; }
  .evidence-card { grid-template-columns: 1fr; }
  .method-hero { grid-template-columns: 1fr; }
  .qi-science { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 74px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(246,247,243,0.98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    padding: 18px var(--gutter) 26px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .site-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav__link { padding-block: 12px; font-size: 1.05rem; }
  .site-nav__cta { margin-top: 12px; }
  .cards-grid, .components, .mech-grid, .safety-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .stats__grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .model__diagram { aspect-ratio: 1 / 1.18; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero__lede { margin-top: 30px; }
  .hero__title { font-size: clamp(2rem, 8.5vw, 2.6rem); }
}

/* ---------- Сплит-блоки и мини-диаграмма ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
@media (max-width: 1024px) { .split { grid-template-columns: 1fr; } }

.mini-diagram {
  position: relative;
  aspect-ratio: 1 / 1.15;
  max-width: 420px;
  margin-inline: auto;
  width: 100%;
}
.mini-diagram__figure {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: auto;
  opacity: 0.92;
  filter: drop-shadow(0 30px 50px rgba(14,40,30,0.12));
}
.mini-diagram__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(14, 111, 90, 0.25);
  border-radius: 50%;
}
.mini-diagram__aura {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  width: 110%;
  height: 124%;
  background: radial-gradient(closest-side, rgba(181,137,47,0.06), rgba(14,111,90,0.07) 55%, transparent 80%);
  animation: breathe 9s ease-in-out infinite;
}

.cascade-list { display: grid; gap: 20px; margin-top: 28px; }
.cascade-item { display: flex; gap: 18px; align-items: flex-start; }
.cascade-item__badge {
  width: 42px; height: 42px;
  border-radius: 13px;
  background: var(--jade-soft);
  color: var(--jade-deep);
  display: flex; align-items: center; justify-content: center;
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}
.cascade-item h3 { font-family: var(--font-display); font-size: 1.08rem; }
.cascade-item p { color: var(--ink-2); font-size: 0.96rem; margin-top: 4px; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .parallax__layer { transform: none !important; }
}