/* ============================================================
   Секции: герой, бегущая строка, статистика, сетки, аккордеон, CTA
   ============================================================ */

/* ---------- Герой ---------- */
.hero { padding-block: calc(var(--nav-h) + var(--s-96)) var(--s-64); position: relative; overflow: hidden; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  gap: var(--s-64);
  align-items: center;
}
.hero__copy { display: grid; gap: var(--s-24); justify-items: start; }
.hero__title { max-width: 11ch; }
.hero__actions { display: flex; gap: var(--s-12); flex-wrap: wrap; margin-top: var(--s-8); }

.hero__stage { position: relative; aspect-ratio: 1 / 1; }
.hero__radar { width: 100%; height: 100%; }

@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s-40); }
  .hero__stage { max-width: 320px; order: -1; }
  .hero__title { max-width: none; }
}
@media (max-width: 760px) {
  .hero { padding-top: calc(var(--nav-h) + var(--s-64)); }
  .hero__grid { gap: 0; }
  .hero__stage { display: none; }
}

/* ---------- Полоса интеграций (бегущая строка) ---------- */
.strip { border-block: 1px solid var(--border-soft); padding-block: var(--s-24); }
.strip__label { text-align: center; margin-bottom: var(--s-16); color: var(--gold-1); font-family: var(--fm); font-size: var(--t-label); letter-spacing: var(--ls-label); text-transform: uppercase; }
.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee__track { display: flex; gap: var(--s-12); width: max-content; animation: marquee 46s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Статистика ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-32); padding-block: var(--s-64); }
.stat dd { font-family: var(--fd); font-size: 38px; line-height: 1; color: var(--gold-1); }
.stat dt { font-family: var(--fm); font-size: var(--t-label); letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-top: var(--s-12); line-height: 1.7; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; gap: var(--s-24); } }

/* ---------- Шапка секции ---------- */
.sec-head { display: grid; gap: var(--s-16); margin-bottom: var(--s-40); max-width: 62ch; }

/* ---------- Сетки ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-16); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-16); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Бенто: высокая карточка слева + четыре справа */
.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: minmax(128px, auto);
  gap: var(--s-16);
}
.bento__tall { grid-row: span 2; display: flex; flex-direction: column; justify-content: center; }
@media (max-width: 960px) { .bento { grid-template-columns: 1fr 1fr; } .bento__tall { grid-row: span 1; } }
@media (max-width: 620px) { .bento { grid-template-columns: 1fr; } }

/* ---------- Двухколоночная секция с золотой панелью ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: var(--s-64); align-items: center; }
@media (max-width: 1000px) { .split { grid-template-columns: 1fr; gap: var(--s-32); } }
.chip-row { display: flex; flex-wrap: wrap; gap: var(--s-8); margin-top: var(--s-24); }

/* ---------- Аккордеон ---------- */
.faq { display: grid; gap: var(--s-12); max-width: 820px; margin-inline: auto; }
.faq__item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.faq__btn {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-20);
  padding: 18px var(--s-20);
  text-align: left;
  font-size: var(--t-body);
  color: var(--text);
  transition: color 0.2s var(--ease);
}
.faq__btn:hover, .faq__btn[aria-expanded="true"] { color: var(--gold-1); }
.faq__sign { position: relative; width: 13px; height: 13px; flex: none; color: var(--gold-1); }
.faq__sign::before, .faq__sign::after { content: ''; position: absolute; background: currentColor; transition: transform 0.3s var(--ease), opacity 0.3s; }
.faq__sign::before { top: 6px; left: 0; width: 13px; height: 1px; }
.faq__sign::after { left: 6px; top: 0; width: 1px; height: 13px; }
.faq__btn[aria-expanded="true"] .faq__sign::after { transform: rotate(90deg); opacity: 0; }
.faq__panel { overflow: hidden; height: 0; transition: height 0.3s var(--ease); }
.faq__inner { padding: 0 var(--s-20) 18px; font-size: var(--t-body-sm); line-height: 1.8; color: var(--muted); }

/* ---------- Финальный CTA ---------- */
.cta-band {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--s-64) var(--s-32);
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, var(--gold-soft), transparent 70%);
  pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band__actions { display: flex; gap: var(--s-12); justify-content: center; flex-wrap: wrap; margin-top: var(--s-24); }

/* ---------- Шапка внутренней страницы ---------- */
.page-head { padding-block: calc(var(--nav-h) + var(--s-80)) var(--s-40); display: grid; gap: var(--s-16); }

/* ---------- Листинг: фильтры ---------- */
.filters { display: flex; gap: var(--s-8); flex-wrap: wrap; align-items: center; margin-bottom: var(--s-20); }
.search { margin-left: auto; width: auto; flex: 0 1 260px; min-width: 170px; }
@media (max-width: 680px) { .search { margin-left: 0; flex: 1 1 100%; } }

/* ---------- Калькулятор обмена ---------- */
.swap { display: grid; gap: var(--s-16); }
.swap__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 140px); gap: var(--s-8); }
.swap__amount { font-family: var(--fm); font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
output.swap__amount { display: block; color: var(--gold-hi); }
.swap__flip {
  justify-self: center;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--gold-1);
  transition: transform 0.35s var(--ease), background-color 0.2s, color 0.2s;
}
.swap__flip:hover { transform: rotate(180deg); background: var(--gold-1); color: var(--on-accent); }
.swap__flip svg { width: 15px; height: 15px; }
.swap__meta { display: grid; gap: 7px; padding-top: var(--s-16); border-top: 1px solid var(--border-soft); }
.swap__line { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-16); font-family: var(--fm); font-size: var(--t-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.swap__line strong { color: var(--gold-1); font-weight: 400; white-space: nowrap; }
@media (max-width: 520px) { .swap__row { grid-template-columns: 1fr; } }

/* ---------- Контакты ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: var(--s-48); align-items: start; }
@media (max-width: 940px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { display: grid; gap: var(--s-8); }
.contact-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-16);
  padding: 15px var(--s-20);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.contact-row dt { font-family: var(--fm); font-size: var(--t-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--faint); }
.contact-row dd { font-family: var(--fm); font-size: var(--t-caption); color: var(--gold-1); text-align: right; }
.contact-row dd.plain { color: var(--text); }

/* ---------- Документы и лицензия ---------- */
.legal-section { padding-bottom: calc(var(--section-pad) + var(--s-32)); }
.legal-license {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--s-40);
  padding: clamp(24px, 4vw, 48px);
}
.legal-license__title { max-width: 22ch; margin-block: var(--s-12) var(--s-16); }
.legal-license .body { max-width: 80ch; }
.legal-license .btn { white-space: nowrap; }
.legal-docs-head { display: grid; gap: var(--s-16); margin-block: var(--s-64) var(--s-24); }
.legal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-16); }
.legal-card { display: flex; flex-direction: column; min-height: 230px; }
.legal-card__type {
  margin-bottom: var(--s-20);
  font-family: var(--fm);
  font-size: var(--t-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--gold-1);
}
.legal-card__link {
  width: fit-content;
  margin-top: auto;
  padding-top: var(--s-24);
  font-family: var(--fm);
  font-size: var(--t-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-1);
}
.legal-card__link:hover { color: var(--gold-hi); }
@media (max-width: 900px) {
  .legal-license { grid-template-columns: 1fr; align-items: start; }
  .legal-license .btn { width: fit-content; }
  .legal-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .legal-grid { grid-template-columns: 1fr; }
  .legal-card { min-height: 0; }
}