/* ============================================================
   13 GROUP · Дизайн-система
   Тема: светлая editorial, зафиксирована (печатная эстетика FT).
   Радиусы: интерактивные элементы = pill, поверхности и медиа = 0.
   Акцент: один, #2f54d6, используется дозированно.
   ============================================================ */

:root {
  --paper: #f3f3f1;
  --paper-2: #eaeae7;
  --ink: #141518;
  --ink-2: #55575c;
  --ink-3: #8a8c91;
  --line: rgba(20, 21, 24, 0.14);
  --line-strong: rgba(20, 21, 24, 0.32);
  --accent: #2f54d6;
  --paper-on-ink: #f3f3f1;
  --line-on-ink: rgba(243, 243, 241, 0.18);

  --font-display: "Inter Tight", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Golos Text", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  --size-hero: clamp(2.4rem, 4.5vw, 4rem);
  --size-h2: clamp(2rem, 4.6vw, 3.7rem);
  --size-h3: clamp(1.35rem, 2.4vw, 1.9rem);
  --size-body-lg: clamp(1.08rem, 1.4vw, 1.3rem);

  --gap-section: clamp(6rem, 12vw, 11rem);
  --pad-x: clamp(20px, 4.5vw, 56px);
  --container: 1360px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  font-feature-settings: "kern";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; padding: 0; }

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Типографика ---------- */

.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
  text-wrap: balance;
}

h2.display { font-size: var(--size-h2); max-width: 21ch; }

.lead {
  font-size: var(--size-body-lg);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 34em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: block;
  margin-bottom: 1.6rem;
}

.mono-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ---------- Каркас ---------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

section { padding-block: calc(var(--gap-section) / 2); }

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head .lead { margin-top: 1.4rem; }

/* ---------- Кнопки ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 1.05em 2em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out),
              background-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -14px rgba(20, 21, 24, 0.5);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* Инверсия на тёмной секции */
.on-ink .btn-primary { background: var(--paper); color: var(--ink); }
.on-ink .btn-primary:hover { box-shadow: 0 14px 32px -14px rgba(0, 0, 0, 0.8); }

/* ---------- Навигация ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  background: rgba(243, 243, 241, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: border-color 0.35s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--ink-2);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--ink); }

.nav .btn { padding: 0.8em 1.6em; font-size: 0.92rem; }

/* Бургер */
.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
}

.nav-burger span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.nav-burger span:nth-child(1) { top: 17px; }
.nav-burger span:nth-child(2) { top: 25px; }

.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* Мобильное меню */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 72px 0 auto 0;
  z-index: 39;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 1rem var(--pad-x) 2rem;
}

.nav-mobile.is-open { display: block; }

.nav-mobile a {
  display: block;
  padding: 0.9rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line);
}

.nav-mobile a.btn {
  margin-top: 1.5rem;
  width: 100%;
  display: inline-flex;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0;
  border-bottom: 0;
  padding: 1.05em 2em;
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 58fr) minmax(0, 42fr);
  align-items: stretch;
  padding-block: 0;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--pad-x) 64px calc(max((100vw - var(--container)) / 2, 0px) + var(--pad-x));
}

.hero h1 { font-size: var(--size-hero); }

.hero .lead { margin-top: 2rem; max-width: 27em; }

.hero-cta {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-media {
  position: relative;
  overflow: hidden;
}

.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Появление hero при загрузке */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * {
    opacity: 0;
    transform: translateY(26px);
    animation: rise 0.9s var(--ease-out) forwards;
  }
  .hero-copy > *:nth-child(2) { animation-delay: 0.12s; }
  .hero-copy > *:nth-child(3) { animation-delay: 0.24s; }
  .hero-media { clip-path: inset(0 0 0 100%); animation: unveil 1.1s 0.2s var(--ease-out) forwards; }
  .hero-media img { transform: scale(1.06); animation: settle 1.6s 0.2s var(--ease-out) forwards; }
}

@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes unveil { to { clip-path: inset(0 0 0 0); } }
@keyframes settle { to { transform: scale(1); } }

/* ---------- Scroll reveal (управляется JS) ---------- */

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}

html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- Ограничение: примеры ---------- */

.cases-of-limit { margin-top: clamp(2rem, 4vw, 3rem); }

.limit-row {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
  gap: 1.5rem 3rem;
  padding-block: 2.2rem;
  border-top: 1px solid var(--line);
}

.limit-row h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.limit-row p { color: var(--ink-2); max-width: 44em; }
.limit-row p strong { color: var(--ink); font-weight: 500; }

/* ---------- Симптомы ---------- */

.symptoms { background: var(--paper-2); padding-block: var(--gap-section); }

.symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.2rem, 4vw, 3.6rem) clamp(2.5rem, 5vw, 5rem);
  counter-reset: symptom;
}

.symptom-grid li {
  counter-increment: symptom;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: var(--size-h3);
  line-height: 1.18;
  max-width: 17em;
}

.symptom-grid li::before {
  content: counter(symptom, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin-bottom: 0.9rem;
}

.symptoms-verdict {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--line-strong);
  font-size: var(--size-body-lg);
  max-width: 30em;
}

/* ---------- Кажется / на деле ---------- */

.myth-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem 4rem;
  padding-block: 2.4rem;
  border-top: 1px solid var(--line);
}

.myth-pair:last-child { border-bottom: 1px solid var(--line); }

.myth-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.8rem;
}

.myth-guess .myth-label { color: var(--ink-3); }
.myth-truth .myth-label { color: var(--accent); }

.myth-guess p {
  color: var(--ink-3);
  font-size: var(--size-body-lg);
  line-height: 1.4;
}

.myth-truth p {
  font-size: var(--size-body-lg);
  line-height: 1.4;
  font-weight: 500;
  max-width: 24em;
}

/* ---------- Фильтр: с кем работаем ---------- */

.fit { border-block: 1px solid var(--line); padding-block: clamp(3.5rem, 7vw, 6rem); }

.fit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem 5rem;
}

.fit-col h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-bottom: 1.8rem;
}

.fit-col li {
  padding-block: 0.85rem;
  color: var(--ink-2);
  border-top: 1px solid var(--line);
}

.fit-col.fit-no li { color: var(--ink-3); }

.fit-note { margin-top: 2.6rem; color: var(--ink-2); max-width: 40em; }

/* ---------- Разбор ---------- */

.razbor-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.razbor-media {
  position: sticky;
  top: 104px;
}

.razbor-media img { width: 100%; }

.razbor-media figcaption {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--ink-3);
}

.step {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

.step:first-child { border-top: 0; padding-top: 0; }

.step-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--ink-3);
  padding-top: 0.35rem;
}

.step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
}

.step p { color: var(--ink-2); max-width: 36em; }

/* ---------- Результат встречи + цена ---------- */

.outcome-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.price-block { position: sticky; top: 104px; }

.price-value {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1;
}

.price-caption { margin-top: 1rem; color: var(--ink-2); max-width: 22em; }
.price-block .btn { margin-top: 2.2rem; }

.outcome-list li {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
}

.outcome-list h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.outcome-list p { color: var(--ink-2); max-width: 44em; }

.outcome-final {
  margin-top: 2.6rem;
  font-size: var(--size-body-lg);
  max-width: 28em;
}

/* ---------- О Никите ---------- */

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
}

.about-media img { width: 100%; }

.about-copy h2 { margin-bottom: 2rem; }

.about-copy p {
  color: var(--ink-2);
  max-width: 36em;
  margin-bottom: 1.2rem;
}

.about-copy p strong { color: var(--ink); font-weight: 500; }

/* ---------- Цифры ---------- */

.stats {
  margin-top: clamp(4rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.stat {
  padding: 2.4rem 2rem 0 0;
}

.stat + .stat { border-left: 1px solid var(--line); padding-left: 2.4rem; }

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-label { margin-top: 0.9rem; color: var(--ink-2); }

/* ---------- Клиенты ---------- */

.clients-cat {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 1.5rem 3rem;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.clients-cat:last-child { border-bottom: 1px solid var(--line); }

.clients-cat h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  padding-top: 0.4rem;
}

.clients-cat-logos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.2rem 2.5rem;
  align-items: center;
}

.clients-cat-logos li {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 76px;
}

.clients-cat-logos {
  --logo-scale: 1;
}

.clients-cat-logos img {
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.72;
  transition: opacity 0.3s var(--ease-out);
}

.clients-cat-logos li:hover img { opacity: 1; }

/* Нормализация размеров: высота подобрана по визуальной площади
   и плотности каждого знака, чтобы стена смотрелась равновесно */
.clients-cat-logos img[src*="/abc-berkut."] { height: calc(70px * var(--logo-scale)); }
.clients-cat-logos img[src*="/amarena."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/baas-group."] { height: calc(40px * var(--logo-scale)); }
.clients-cat-logos img[src*="/bg-optics."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/bro."] { height: calc(56px * var(--logo-scale)); }
.clients-cat-logos img[src*="/corneli."] { height: calc(58px * var(--logo-scale)); }
.clients-cat-logos img[src*="/crinzo."] { height: calc(34px * var(--logo-scale)); }
.clients-cat-logos img[src*="/ducati."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/edustream."] { height: calc(43px * var(--logo-scale)); }
.clients-cat-logos img[src*="/faenomen."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/fitness-food."] { height: calc(38px * var(--logo-scale)); }
.clients-cat-logos img[src*="/hey-baby."] { height: calc(64px * var(--logo-scale)); }
.clients-cat-logos img[src*="/ikki-store."] { height: calc(64px * var(--logo-scale)); }
.clients-cat-logos img[src*="/inject-clinic."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/insales."] { height: calc(48px * var(--logo-scale)); }
.clients-cat-logos img[src*="/jaryqled."] { height: calc(68px * var(--logo-scale)); }
.clients-cat-logos img[src*="/jops."] { height: calc(41px * var(--logo-scale)); }
.clients-cat-logos img[src*="/josiny."] { height: calc(37px * var(--logo-scale)); }
.clients-cat-logos img[src*="/jumsaq."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/just-to-study."] { height: calc(68px * var(--logo-scale)); }
.clients-cat-logos img[src*="/kaz-electro-snab."] { height: calc(40px * var(--logo-scale)); }
.clients-cat-logos img[src*="/majorica."] { height: calc(52px * var(--logo-scale)); }
.clients-cat-logos img[src*="/nevesomost."] { height: calc(62px * var(--logo-scale)); }
.clients-cat-logos img[src*="/magic-stick."] { height: calc(66px * var(--logo-scale)); }
.clients-cat-logos img[src*="/onmacabim."] { height: calc(66px * var(--logo-scale)); }
.clients-cat-logos img[src*="/ot-dushi."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/pervyi-chasovoy."] { height: calc(57px * var(--logo-scale)); }
.clients-cat-logos img[src*="/petro-stone."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/prostretching."] { height: calc(58px * var(--logo-scale)); }
.clients-cat-logos img[src*="/protein-shop."] { height: calc(40px * var(--logo-scale)); }
.clients-cat-logos img[src*="/romeo."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/sabiland."] { height: calc(26px * var(--logo-scale)); }
.clients-cat-logos img[src*="/sansara."] { height: calc(72px * var(--logo-scale)); }
.clients-cat-logos img[src*="/stroybild."] { height: calc(62px * var(--logo-scale)); }
.clients-cat-logos img[src*="/supersport."] { height: calc(36px * var(--logo-scale)); }
.clients-cat-logos img[src*="/tynda."] { height: calc(45px * var(--logo-scale)); }
.clients-cat-logos img[src*="/umnye-sobytiya."] { height: calc(61px * var(--logo-scale)); }
.clients-cat-logos img[src*="/victoria-style."] { height: calc(58px * var(--logo-scale)); }
.clients-cat-logos img[src*="/whale."] { height: calc(57px * var(--logo-scale)); }
.clients-cat-logos img[src*="/yakuza."] { height: calc(66px * var(--logo-scale)); }
.clients-cat-logos img[src*="/yoyoso."] { height: calc(30px * var(--logo-scale)); }

/* ---------- Методология ---------- */

.method { background: var(--paper-2); padding-block: var(--gap-section); }

.method-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 3rem;
  position: relative;
}

.method-stage { position: relative; padding-top: 2.4rem; }

.method-stage::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: -3rem;
  height: 1px;
  background: var(--line-strong);
}

.method-stage:last-child::before { right: 0; }

.method-stage::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
}

.method-stage h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--size-h3);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.method-stage p { color: var(--ink-2); max-width: 30em; }

.method-note {
  margin-top: clamp(3rem, 6vw, 5rem);
  font-size: var(--size-body-lg);
  max-width: 32em;
}

/* ---------- УТП ---------- */

.utp { padding-block: var(--gap-section); }

.utp-statement {
  font-size: clamp(1.7rem, 3.8vw, 3.1rem);
  line-height: 1.16;
  max-width: 26ch;
}

.u-mark {
  box-shadow: inset 0 -0.3em 0 rgba(47, 84, 214, 0.16);
}

/* ---------- Продукты ---------- */

.product-featured {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 2rem 4rem;
  align-items: end;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 2px solid var(--ink);
}

.product-featured h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--size-h3);
  letter-spacing: -0.02em;
}

.product-featured .product-desc { margin-top: 1rem; color: var(--ink-2); max-width: 34em; }

.product-featured-right { text-align: right; }

.product-price {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.1rem;
  white-space: nowrap;
}

.product-featured .product-price { font-size: 1.5rem; }
.product-featured .btn { margin-top: 1.4rem; }

.product-row {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 1rem 4rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.product-row h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.product-row .product-desc { margin-top: 0.7rem; color: var(--ink-2); max-width: 40em; }
.product-row .product-price { text-align: right; color: var(--ink-2); }

.guarantee { color: var(--accent); font-weight: 500; }

/* ---------- Кейсы ---------- */

.case {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 1.5rem 4rem;
  padding-block: clamp(2.2rem, 4.5vw, 3.4rem);
  border-top: 1px solid var(--line);
}

.case:last-of-type { border-bottom: 1px solid var(--line); }

.case h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--size-h3);
  letter-spacing: -0.02em;
}

.case-niche {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 0.5rem;
}

.case-limit {
  margin-top: 1.2rem;
  color: var(--ink-2);
  max-width: 36em;
}

.case-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 3rem;
}

.case-stat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.case-stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink-2);
  font-size: 0.92rem;
}

.case-more { margin-top: 1.8rem; }

.case-more summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.3rem;
}

.case-more summary::-webkit-details-marker { display: none; }

.case-more .faq-marker { font-size: 1rem; }

.case-more .faq-body { overflow: hidden; }

.case-more ul { padding-top: 1.2rem; max-width: 44em; }

.case-more li {
  color: var(--ink-2);
  padding: 0.45rem 0 0.45rem 1.4rem;
  position: relative;
}

.case-more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: 0.55em;
  height: 1px;
  background: var(--ink-3);
}

/* ---------- FAQ ---------- */

.faq-list { border-top: 1px solid var(--line-strong); }

.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.8rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  letter-spacing: -0.01em;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-marker {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1.3rem;
  color: var(--ink-3);
  transition: transform 0.35s var(--ease-out);
}

.faq-item[open] .faq-marker,
.case-more[open] .faq-marker { transform: rotate(45deg); }

.faq-body {
  overflow: hidden;
}

.faq-body p {
  padding-bottom: 1.9rem;
  color: var(--ink-2);
  max-width: 46em;
}

/* ---------- Финальный CTA (единственный тёмный блок) ---------- */

.finale {
  background: var(--ink);
  color: var(--paper-on-ink);
  padding-block: var(--gap-section);
}

.finale h2 {
  font-size: var(--size-h2);
  max-width: 17ch;
}

.finale .lead { color: rgba(243, 243, 241, 0.64); margin-top: 1.8rem; }

.finale .hero-cta { margin-top: 3rem; }

.finale-hint { margin-top: 1.6rem; font-size: 0.9rem; color: rgba(243, 243, 241, 0.5); }

/* ---------- Футер ---------- */

.footer {
  background: var(--ink);
  color: rgba(243, 243, 241, 0.6);
  border-top: 1px solid var(--line-on-ink);
  padding-block: 2.4rem;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--paper-on-ink);
  font-size: 1rem;
}

.footer a { transition: color 0.2s; }
.footer a:hover { color: var(--paper-on-ink); }

/* ============================================================
   Адаптив
   ============================================================ */

@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav .btn-nav { display: none; }
  .nav-burger { display: block; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: 140px var(--pad-x) 56px; }
  .hero-media { height: 56vh; position: relative; }

  .razbor-layout, .outcome-layout, .about-layout { grid-template-columns: 1fr; }
  .razbor-media, .price-block { position: static; }
  .razbor-media { max-width: 560px; }

  .product-featured, .product-row { grid-template-columns: 1fr; align-items: start; }
  .product-featured-right, .product-row .product-price { text-align: left; }

  .case { grid-template-columns: 1fr; }
}

@media (max-width: 1023px) {
  .clients-cat { grid-template-columns: 1fr; gap: 1.6rem; }
  .clients-cat-logos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .symptom-grid { grid-template-columns: 1fr; }
  .clients-cat-logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.8rem 2rem; --logo-scale: 0.78; }
  .clients-cat-logos li { min-height: 62px; }
  .fit-grid { grid-template-columns: 1fr; }
  .myth-pair { grid-template-columns: 1fr; gap: 1.6rem; }

  .method-track { grid-template-columns: 1fr; gap: 2.8rem; }
  .method-stage::before { right: 0; }

  .stats { grid-template-columns: 1fr; border-top: 0; }
  .stat { padding: 1.8rem 0; border-top: 1px solid var(--line); }
  .stat + .stat { border-left: 0; padding-left: 0; }

  .limit-row { grid-template-columns: 1fr; gap: 0.8rem; }

  .hero-cta .btn { width: 100%; }
  .price-block .btn, .product-featured .btn { width: 100%; }
}