/* ==========================================================================
   KASNOV_DEV — внутренние страницы (кейсы, материалы). Подключается после
   home.css: оттуда подвал, окно связи, меню, кнопки и сетка фона. Без сцены
   и масштаба — обычная прокрутка, колонка до 1200px. Собирает tools/build_pages.py.
   ========================================================================== */
html.is-page { scroll-padding-top: 96px; }
body.page { font-size: 16px; line-height: 1.6; }
.page-main { max-width: 1200px; margin: 0 auto; padding: 0 24px 72px; }

/* --- Шапка: логотип, разделы, «Связаться»; на узких экранах — кнопка меню --- */
.page-head {
  position: sticky;
  top: 0;
  z-index: 90;
  background: color-mix(in srgb, var(--c-paper) 86%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: var(--line) solid color-mix(in srgb, var(--c-navy-line) 14%, transparent);
}
.page-head__in {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  height: 80px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-head__nav { margin-left: auto; }
.page-head .site-nav__link { font-size: 15px; }
.page-head .site-nav__link[aria-current="page"] { color: var(--c-navy); }
.page-head .site-nav__link[aria-current="page"]::after { transform: none; }
.page-head__contact { --k-h: 46px; font-size: 18px; padding: 0 calc(var(--k-slant) + 22px); }
html.is-page .menu-panel__link[aria-current="page"] { background: color-mix(in srgb, var(--c-navy) 10%, transparent); box-shadow: inset 2px 0 0 var(--c-navy); }
@media (min-width: 1024px) {
  html.is-page .menu { display: none; }
  html.is-page .page-head__nav { display: flex; }   /* в home.css без .is-desk развёрнутая навигация скрыта */
}
@media (max-width: 1023.98px) {
  .page-head__in { height: 84px; padding: 0 16px; }
  .page-head__nav, .page-head__contact { display: none; }
  .page-head__logo { font-size: 18px; }
  .page-head { position: relative; }
}

/* --- Крошки и «Назад» ------------------------------------------------------- */
.page-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
}
.crumbs { color: color-mix(in srgb, var(--c-ink) 60%, transparent); }
.crumbs a { color: var(--c-navy); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; text-underline-offset: 3px; }
.crumbs__sep { margin: 0 6px; }
.page-back {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: var(--line) solid color-mix(in srgb, var(--c-navy) 40%, transparent);
  color: var(--c-navy);
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-back:hover { background: var(--c-navy); color: var(--c-paper); }
.crumbs a:focus-visible, .page-back:focus-visible { outline: 1px dashed var(--c-navy); outline-offset: 3px; }

/* --- Заголовок раздела ---------------------------------------------------------- */
.page-intro { position: relative; padding: 56px 0 40px; max-width: 900px; }
.page-title {
  position: relative;
  margin: 0;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(30px, 5.4vw, 64px);
  line-height: 1.06;
  text-transform: uppercase;
  color: var(--c-navy);
}
.page-intro > .page-title .k-bracket--tl { left: -22px; top: -18px; }
.page-lead { margin: 22px 0 0; font-size: clamp(16px, 1.6vw, 20px); line-height: 1.5; max-width: 780px; }

/* --- Карточки списка (кейсы, статьи) ------------------------------------------- */
.p-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; }
.p-cards--keisy { grid-template-columns: 1fr; }
.p-cards--materialy { grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); }
.p-card__link {
  position: relative;
  display: grid;
  height: 100%;
  color: inherit;
  text-decoration: none;
  background: var(--c-case);
  border: var(--line) solid color-mix(in srgb, var(--c-navy-line) 22%, transparent);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.p-card__link:hover { border-color: var(--c-navy); box-shadow: 0 10px 30px -18px rgba(13, 56, 99, .45); }
.p-card__link:focus-visible { outline: 1px dashed var(--c-navy); outline-offset: 4px; }
.p-card__media { margin: 0; overflow: hidden; background: color-mix(in srgb, var(--c-navy) 8%, transparent); aspect-ratio: 1400 / 802; }
.p-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.p-card__link:hover .p-card__media img { transform: scale(1.025); }
.p-card__body { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 24px 26px 26px; }
.p-card__num { font-family: var(--f-display); font-size: 44px; line-height: 1; color: var(--c-navy); }
.p-card__title { margin: 0; font-family: var(--f-display); font-weight: 400; font-size: clamp(20px, 2vw, 26px); line-height: 1.15; text-transform: uppercase; color: var(--c-ink); }
.p-card__text { margin: 0; font-size: 15px; line-height: 1.5; }
.p-card__meta { margin: 0; font-size: 13px; letter-spacing: .04em; color: var(--c-navy); }
.p-card__more { margin-top: auto; padding-top: 6px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-navy); }
.p-card__more span { display: inline-block; transition: transform var(--t-fast) var(--ease); }
.p-card__link:hover .p-card__more span { transform: translateX(4px); }
@media (min-width: 900px) {
  .p-cards--keisy .p-card__link { grid-template-columns: 1.1fr 1fr; }
  .p-cards--keisy .p-card__media { aspect-ratio: auto; min-height: 320px; }
  .p-cards--keisy .p-card__body { padding: 34px 36px; }
}

/* --- Кейс: номер, плашка проекта, заголовок ----------------------------------- */
.case-hero { display: grid; gap: 28px; padding: 48px 0 36px; align-items: start; }
.case-hero__num {
  position: relative;
  justify-self: start;
  margin: 0;
  padding: 14px 18px 10px 14px;
  font-family: var(--f-display);
  font-size: clamp(72px, 11vw, 140px);
  line-height: .9;
  color: var(--c-navy);
}
.case-hero__num .k-bracket--tl { left: 0; top: 0; }
.case-hero__num .k-bracket--br { right: 0; bottom: 0; }
.case-hero__project { margin: 0 0 18px -6px; }
.case-hero__project span {
  display: inline-block;
  padding: 7px 24px 7px 26px;
  background: var(--c-navy);
  color: var(--c-paper);
  font-size: 14px;
  line-height: 20px;
  text-transform: uppercase;
  clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}
.case-hero__title { font-size: clamp(28px, 4.4vw, 54px); }
@media (min-width: 900px) {
  .case-hero { grid-template-columns: auto 1fr; gap: 48px; padding-top: 64px; }
}

.p-cards__empty { padding: 28px 0; font-size: 16px; color: color-mix(in srgb, var(--c-ink) 65%, transparent); }

/* обложка статьи — под заголовком, во всю колонку текста */
.article-cover { margin: 0 0 12px; }
.article-cover img { display: block; width: 100%; height: auto; border: var(--line) solid color-mix(in srgb, var(--c-navy-line) 22%, transparent); }

/* --- Текст статьи и кейса ------------------------------------------------------- */
.page-article { max-width: 920px; }
.article-head__meta { margin: 0 0 18px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--c-navy); }
.prose { font-size: 17px; line-height: 1.7; }
.prose > * + * { margin-top: 18px; }
.prose h2 {
  position: relative;
  margin: 52px 0 0;
  padding-top: 18px;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(21px, 2.4vw, 30px);
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--c-navy);
}
.prose h2::before { content: ""; position: absolute; left: 0; top: 0; width: 56px; height: var(--line); background: var(--c-navy); }
.prose h3 { margin: 32px 0 0; font-size: 18px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; color: var(--c-ink); }
.prose h2 + *, .prose h3 + * { margin-top: 14px; }
.prose p, .prose ul, .prose ol { margin-bottom: 0; }
.prose ul, .prose ol { padding-left: 0; list-style: none; }
.prose li { position: relative; padding-left: 28px; }
.prose li + li { margin-top: 10px; }
.prose ul > li::before { content: ""; position: absolute; left: 4px; top: .78em; width: 12px; height: var(--line); background: var(--c-navy); }
.prose ol { counter-reset: n; }
.prose ol > li { counter-increment: n; }
.prose ol > li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: 0; font-size: 13px; line-height: 1.7rem; color: var(--c-navy); }
.prose a { color: var(--c-navy); text-underline-offset: 3px; }
.prose strong { font-weight: 500; color: var(--c-ink); }
.prose figure { margin: 32px 0 0; }
.prose figure img { display: block; width: 100%; height: auto; border: var(--line) solid color-mix(in srgb, var(--c-navy-line) 22%, transparent); }
.prose figcaption { margin-top: 10px; font-size: 13px; line-height: 1.5; color: color-mix(in srgb, var(--c-ink) 70%, transparent); }
.prose figcaption::before { content: "↑ "; color: var(--c-navy); }
.prose .note {
  padding: 16px 20px;
  font-size: 15px;
  border-left: 3px solid var(--c-steel-blue);
  background: color-mix(in srgb, var(--c-steel-blue) 8%, transparent);
}

/* итог кейса: показатели крупно, как плашка результата на главной */
.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; margin-top: 28px !important; }
.result {
  position: relative;
  margin: 0;
  padding: 20px 22px 18px;
  background: var(--c-navy);
  color: var(--c-paper);
}
.result b { display: block; font-family: var(--f-display); font-weight: 400; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.05; }
.result span { display: block; margin-top: 8px; font-size: 14px; line-height: 1.4; color: color-mix(in srgb, var(--c-paper) 80%, var(--c-navy)); }

/* «было → стало» */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare > div { padding: 18px 20px; border: var(--line) solid color-mix(in srgb, var(--c-navy-line) 25%, transparent); background: color-mix(in srgb, var(--c-paper) 70%, #fff); }
.compare > div:last-child { border-color: var(--c-navy); }
.compare h3 { margin: 0 0 10px; font-size: 14px; color: var(--c-navy); }
.compare ul { margin: 0; }
@media (max-width: 640px) { .compare { grid-template-columns: 1fr; } }

/* галерея кейса: два столбца на широком экране */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.gallery figure { margin: 0; }
.gallery figure:first-child { grid-column: 1 / -1; }
@media (max-width: 720px) { .gallery { grid-template-columns: 1fr; } }

/* --- Призыв: синяя панель ---------------------------------------------------------- */
.page-cta {
  position: relative;
  margin: 72px 0 0;
  padding: 56px clamp(22px, 6vw, 80px) 52px;
  background: var(--c-navy);
  color: var(--c-paper);
}
.page-cta__tl { left: 16px; top: 16px; border-color: color-mix(in srgb, var(--c-paper) 55%, transparent); }
.page-cta__title { margin: 0; font-family: var(--f-display); font-weight: 400; font-size: clamp(24px, 3.6vw, 46px); line-height: 1.08; text-transform: uppercase; }
.page-cta__text { margin: 18px 0 0; max-width: 680px; font-size: 17px; line-height: 1.5; color: color-mix(in srgb, var(--c-paper) 82%, var(--c-navy)); }
.page-cta__btn { margin-top: 30px; --k-h: 58px; font-size: 22px; padding: 0 40px; }

.page-more { margin-top: 72px; }
.page-more__title { margin: 0 0 24px; font-family: var(--f-display); font-weight: 400; font-size: clamp(22px, 2.6vw, 32px); text-transform: uppercase; color: var(--c-navy); }

/* --- Подвал: на широком экране — строкой, как на главной (без масштаба сцены) --- */
@media (min-width: 1024px) {
  html.is-page .site-footer__stage { max-width: 1440px; margin: 0 auto; padding: 26px 110px 40px; text-align: left; }
  html.is-page .site-footer__row { flex-direction: row; align-items: flex-start; gap: 16px; }
  html.is-page .site-footer__social,
  html.is-page .site-footer__links { justify-content: flex-start; }
  html.is-page .site-footer__note { margin-left: 0; }
  html.is-page .site-footer__stage::before { left: 110px; right: 110px; }
  html.is-page .site-footer__br { right: 24px; bottom: 24px; }
}

@media (max-width: 640px) {
  .page-main { padding: 0 16px 56px; }
  .page-bar { padding-top: 14px; }
  .crumbs { font-size: 12px; }
  .page-intro { padding: 36px 0 28px; }
  .page-intro > .page-title .k-bracket--tl { left: -8px; top: -12px; }
  .prose { font-size: 16px; }
  .page-cta { margin-left: -16px; margin-right: -16px; }
  .page-cta__btn { --k-h: 50px; font-size: 18px; padding: 0 26px; }
}
@media (prefers-reduced-motion: reduce) {
  .p-card__media img, .p-card__more span { transition: none; }
}