/* ==========================================================================
   Компоненты: заголовки полос, карточки-реестры, чипы, аккордеон, блоки
   ========================================================================== */

/* --- заголовок полосы ----------------------------------------------------- */

.sechead {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3.4rem);
  align-items: end;
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
}
.sechead__lead h2 { margin-top: 0.75rem; }
.sechead__text { font-size: var(--t-body); line-height: 1.62; color: var(--ink-3); max-width: 46ch; }
.sechead--dark .sechead__text { color: color-mix(in srgb, var(--sand-2) 74%, transparent); }
.sechead--dark .kicker { color: var(--amber); }
.sechead--dark h2 { color: var(--sand-2); }

@media (max-width: 860px) {
  .sechead { grid-template-columns: 1fr; align-items: start; }
}

/* --- прокрутка-реестр статей ---------------------------------------------- */

.registry { border-top: 2px solid var(--ink); }
.registry--page { border-top-width: 2px; }

.reg { border-bottom: 1px solid var(--line-2); }
.reg > a {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) auto;
  gap: 0.4rem 1.2rem;
  align-items: baseline;
  padding: clamp(0.85rem, 1.6vw, 1.15rem) 0;
  transition: padding-left 0.4s var(--ease-out), color 0.3s var(--ease);
}
.reg > a::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--coral);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease-out);
}
.reg > a:hover { padding-left: 0.7rem; }
.reg > a:hover::before { transform: scaleY(1); }

.reg__n {
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.1em;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
}
.reg__t {
  font-weight: 620;
  font-size: var(--t-body);
  line-height: 1.36;
  letter-spacing: -0.01em;
}
.reg > a:hover .reg__t { color: var(--coral-3); }
.reg__m {
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  white-space: nowrap;
}
.reg__x {
  grid-column: 2 / -1;
  font-size: var(--t-small);
  line-height: 1.6;
  color: var(--ink-3);
  max-width: 68ch;
}

/* пометка «материал по теме» со внешней ссылкой */
.reg__ext {
  display: inline-flex;
  vertical-align: middle;
  margin-left: 0.35em;
  color: var(--coral);
}
.reg__extrow {
  grid-column: 2 / -1;
  margin-top: 0.5rem;
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.reg__extrow a {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding-bottom: 0.1em;
  border-bottom: 1.6px solid var(--amber-2);
  color: var(--ink);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.reg__extrow a:hover { color: var(--coral-3); border-color: var(--coral); }

/* крупный вариант для страницы раздела */
.reg--big > a { grid-template-columns: 3rem minmax(0, 1fr) auto; padding-block: clamp(1.1rem, 2.4vw, 1.7rem); }
.reg--big .reg__t { font-size: clamp(1.05rem, 0.9rem + 0.9vw, 1.5rem); font-weight: 650; letter-spacing: -0.02em; }
.reg--big .reg__x { margin-top: 0.35rem; }

/* миниатюра материала в списке раздела */
.reg__thumb {
  display: block;
  width: clamp(72px, 8vw, 104px);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--sand-3);
}
.reg__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  transition: transform 0.6s var(--ease-out);
}
.reg--big > a:hover .reg__thumb img { transform: scale(1.06); }

.reg--big:has(.reg__thumb) > a {
  grid-template-columns: clamp(72px, 8vw, 104px) 2.2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.4rem 1rem;
}
.reg--big:has(.reg__thumb) .reg__x { grid-column: 3 / -1; }

@media (max-width: 620px) {
  .reg--big:has(.reg__thumb) > a { grid-template-columns: 64px 1.7rem minmax(0, 1fr); }
  .reg--big:has(.reg__thumb) .reg__m,
  .reg--big:has(.reg__thumb) .reg__x { grid-column: 3 / -1; }
}

@media (max-width: 620px) {
  .reg > a { grid-template-columns: 2rem minmax(0, 1fr); }
  .reg__m { grid-column: 2; }
}

/* --- ссылка на весь раздел ------------------------------------------------ */

.allink {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.3rem 1.2rem;
  margin-top: 1.2rem;
  padding: clamp(1rem, 2vw, 1.4rem) clamp(1rem, 2.2vw, 1.6rem);
  background: var(--amber-wash);
  border: 1.6px dashed var(--amber-2);
  clip-path: var(--cut);
  transition: background 0.35s var(--ease), transform 0.4s var(--ease-out);
}
.allink:hover { background: var(--amber); transform: translateY(-3px); }
.allink__h {
  font-family: var(--f-display);
  font-size: clamp(1rem, 0.85rem + 0.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}
.allink__t { grid-column: 1; font-size: var(--t-meta); color: var(--ink-3); }
.allink > svg { grid-row: 1 / 3; grid-column: 2; }

/* --- текстовые блоки ------------------------------------------------------ */

.prose {
  font-size: var(--t-body);
  line-height: 1.72;
  color: var(--ink-3);
  max-width: 68ch;
}
.prose > * + * { margin-top: 0.9em; }
.prose strong { color: var(--ink); }
.prose a { color: var(--coral-3); border-bottom: 1px solid color-mix(in srgb, var(--coral) 50%, transparent); }
.prose a:hover { color: var(--coral); }
.prose--wide { max-width: 76ch; }
.prose--wide > p:first-child::first-letter {
  float: left;
  font-family: var(--f-display);
  font-size: 3.1em;
  line-height: 0.82;
  font-weight: 600;
  color: var(--coral);
  margin: 0.06em 0.16em 0 0;
}

/* аккуратный список с самодельными галочками */
.ticks { display: grid; gap: 0.7rem; }
.ticks li {
  position: relative;
  padding-left: 1.9rem;
  font-size: var(--t-small);
  line-height: 1.6;
  color: var(--ink-3);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--coral-wash);
  box-shadow: inset 0 0 0 1.4px color-mix(in srgb, var(--coral) 60%, transparent);
}
.ticks li::after {
  content: "";
  position: absolute;
  left: 0.36rem;
  top: 0.42em;
  width: 0.38rem;
  height: 0.2rem;
  border-left: 2px solid var(--coral-3);
  border-bottom: 2px solid var(--coral-3);
  transform: rotate(-45deg);
}

/* чипы-теги */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.6rem; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45em 0.85em;
  border: 1.4px solid var(--line-2);
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.chip:hover { background: var(--ink); color: var(--sand-2); border-color: var(--ink); }

/* --- аккордеон ------------------------------------------------------------ */

.faqwrap { margin-top: clamp(2rem, 4vw, 3.4rem); }
.faqwrap__h { margin-bottom: 0.6rem; }
.faq { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 620;
  font-size: var(--t-body);
  letter-spacing: -0.01em;
  transition: color 0.25s var(--ease), padding-left 0.35s var(--ease-out);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--coral-3); }
.faq details[open] summary { padding-left: 0.5rem; }
.faq__sign {
  position: relative;
  margin-left: auto;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1.5px solid var(--line-3);
  border-radius: 50%;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.faq__sign::before,
.faq__sign::after {
  content: "";
  position: absolute;
  background: var(--coral);
  transition: transform 0.35s var(--ease-out), background 0.3s var(--ease);
}
.faq__sign::before { left: 6px; right: 6px; top: 50%; height: 1.6px; margin-top: -0.8px; }
.faq__sign::after { top: 6px; bottom: 6px; left: 50%; width: 1.6px; margin-left: -0.8px; }
.faq details[open] .faq__sign { background: var(--coral); border-color: var(--coral); }
.faq details[open] .faq__sign::before,
.faq details[open] .faq__sign::after { background: #fff; }
.faq details[open] .faq__sign::after { transform: scaleY(0); }
.faq__a {
  padding: 0 0 1.15rem;
  font-size: var(--t-small);
  line-height: 1.7;
  color: var(--ink-3);
  max-width: 74ch;
}

/* --- шапки страниц -------------------------------------------------------- */

.pagehead {
  padding-block: clamp(1.6rem, 0.8rem + 3.4vw, 3.6rem) clamp(1rem, 0.6rem + 2vw, 2rem);
}
.pagehead__in { max-width: 64ch; }
.pagehead__in--wide { max-width: 76ch; }
.pagehead h1 { margin-top: 0.8rem; }
.pagehead .lead { margin-top: 1rem; }
.pagehead .num { margin-top: 0.9rem; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.crumbs a:hover { color: var(--coral-3); }
.crumbs span { opacity: 0.45; }

.artmeta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-top: 1.1rem;
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* --- статья --------------------------------------------------------------- */

.art {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 4rem);
  align-items: start;
}
.art__media { aspect-ratio: 16 / 9; margin-bottom: 1.6rem; overflow: hidden; }
.art__sec { margin-top: clamp(1.6rem, 3vw, 2.6rem); }
.art__h { font-size: var(--t-h3); margin-bottom: 0.6rem; }

.art__side { position: sticky; top: calc(var(--nav-h) + 1.2rem); display: grid; gap: 1rem; }

.brief {
  padding: clamp(1rem, 2vw, 1.3rem);
  background: var(--sand-2);
  border: 1.6px solid var(--line-2);
  border-left: 5px solid var(--coral);
}
.brief__h {
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.8rem;
}

@media (max-width: 940px) {
  .art { grid-template-columns: 1fr; }
  .art__side { position: static; order: -1; }
}

/* --- прочее --------------------------------------------------------------- */

/* «Бренд-плита»: логотип вместо фотографии в карточке материала */
.brandplate {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.brandplate__mark {
  width: clamp(78px, 44%, 180px);
  height: auto;
}
.brandplate__cap {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  font-family: var(--f-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35em 0.6em;
  background: color-mix(in srgb, var(--sand-2) 84%, transparent);
  color: var(--ink-3);
}

/* светлая — для небольших карточек на песочном фоне */
.brandplate--rail {
  background:
    repeating-linear-gradient(135deg, var(--line) 0 1px, transparent 1px 11px),
    linear-gradient(160deg, var(--sand-2), var(--sand-3));
}
.brandplate--rail .brandplate__mark { opacity: 0.92; }

/* тёмная — для крупной карточки-лида */
.brandplate--ink {
  background:
    radial-gradient(circle at 22% 14%, #f0562f2e, transparent 46%),
    linear-gradient(150deg, var(--ink), #123f47);
}
.brandplate--ink .brandplate__cap {
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  color: var(--sand-2);
}

.note {
  font-size: var(--t-meta);
  line-height: 1.65;
  color: var(--ink-mute);
  border-top: 1px solid var(--line-2);
  padding-top: 0.8rem;
  max-width: 78ch;
}

@property --timeline-p {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 0%;
}