/**
 * KALIPSO — главная страница (премиальный минимализм)
 * Blue + gold accent. Единый ритм секций.
 */

/* ========== Секции: единый ритм (80px / 56px) ========== */
.index-section {
  padding-block: 80px;
}
@media (max-width: 1024px) {
  .index-section { padding-block: 64px; }
}
@media (max-width: 768px) {
  .index-section { padding-block: 56px; }
}
@media (max-width: 375px) {
  .index-section { padding-block: 44px; }
}

/* CTA блок — тот же ритм */
main .footer-cta.callback {
  padding-block: 80px;
}
@media (max-width: 1024px) {
  main .footer-cta.callback { padding-block: 64px; }
}
@media (max-width: 768px) {
  main .footer-cta.callback { padding-block: 56px; }
}
@media (max-width: 375px) {
  main .footer-cta.callback { padding-block: 44px; }
}

.index-section__title {
  margin: 0 0 var(--s-4);
  padding-bottom: var(--s-2);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  border-bottom: 3px solid var(--gold-accent);
  display: inline-block;
}
.index-section__sub {
  margin: 0 0 var(--s-6);
  font-size: var(--fs-body);
  line-height: var(--lh-loose);
  color: var(--muted);
  max-width: 600px;
}

/* ========== 1. Герой ========== */
.hero-main {
  padding-block: 80px;
  background: var(--bg);
}
@media (max-width: 1024px) {
  .hero-main { padding-block: 64px; }
}
@media (max-width: 768px) {
  .hero-main { padding-block: 56px; }
}

.hero-main__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-10);
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-main__inner { grid-template-columns: 1fr; gap: var(--s-8); }
}
@media (max-width: 768px) {
  .hero-main__inner { gap: var(--s-6); }
}

.hero-main__content { order: 1; }
.hero-main__visual { order: 2; }
@media (max-width: 1024px) {
  .hero-main__visual { order: -1; max-width: 480px; margin: 0 auto; }
}

.hero-main__title {
  margin: 0 0 var(--s-4);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}
.hero-main__lead {
  margin: 0 0 var(--s-5);
  font-size: var(--fs-body);
  line-height: var(--lh-loose);
  color: var(--muted);
  max-width: 520px;
}

.hero-main__bullets {
  margin: 0 0 var(--s-6);
  padding: 0;
  list-style: none;
}
.hero-main__bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
  font-size: var(--fs-small);
  color: var(--text);
  line-height: 1.5;
}
.hero-main__bullets li:last-child { margin-bottom: 0; }
.hero-main__bullets-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--gold-accent);
}

.hero-main__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.hero-main__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 var(--s-7);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 1rem;
  background: var(--brand-blue);
  color: #fff !important;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.hero-main__cta:hover {
  background: var(--brand-blue-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(201, 162, 39, 0.3);
}
.hero-main__cta:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 0 0 1px rgba(201, 162, 39, 0.25);
}
.hero-main__secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 var(--s-6);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.9375rem;
  background: transparent;
  color: var(--brand-blue) !important;
  border: 2px solid var(--brand-blue);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.hero-main__secondary:hover {
  background: rgba(11, 61, 145, 0.06);
  border-color: var(--gold-accent);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.2);
  text-decoration: none;
}
.hero-main__secondary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 0 0 1px rgba(201, 162, 39, 0.15);
}

.hero-main__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3) var(--s-5);
  margin-bottom: var(--s-3);
}
.hero-main__trust span {
  display: inline-flex;
  align-items: center;
  padding: var(--s-2) var(--s-4);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.hero-main__trust span::before {
  content: none;
}
.hero-main__hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.hero-main__visual {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-main__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 37, 87, 0.03) 0%, transparent 40%, rgba(6, 37, 87, 0.08) 100%);
  pointer-events: none;
}
.hero-main__visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ========== 2. Популярные решения (из POOLS_DATA) ========== */
.index-pool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
  align-items: stretch;
}
@media (max-width: 1280px) {
  .index-pool-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .index-pool-grid { grid-template-columns: 1fr; gap: var(--s-5); }
}
@media (max-width: 375px) {
  .index-pool-grid { gap: var(--s-4); }
}

.index-pool-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.index-pool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.index-pool-card__media {
  flex-shrink: 0;
  height: 200px;
  overflow: hidden;
  background: var(--surface-2);
  position: relative;
}
.index-pool-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 37, 87, 0.04) 0%, transparent 50%, rgba(6, 37, 87, 0.06) 100%);
  pointer-events: none;
}
.index-pool-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}
.index-pool-card:hover .index-pool-card__media img {
  transform: scale(1.02);
}
.index-pool-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--s-4) var(--s-5) var(--s-2);
  min-height: 0;
}
.index-pool-card__badge {
  align-self: flex-start;
  margin-bottom: var(--s-2);
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1a1508;
  background: var(--gold-accent);
  border: none;
  border-radius: 999px;
}
.index-pool-card__title {
  margin: 0 0 var(--s-2);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.index-pool-card__for {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.index-pool-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  padding: 0 var(--s-5) var(--s-3);
}
.index-pool-card__chip {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg-100);
  border-radius: 999px;
}
.index-pool-card__price {
  padding: 0 var(--s-5) var(--s-2);
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-blue);
}
.index-pool-card__cta {
  margin-top: auto;
  margin-left: var(--s-5);
  margin-right: var(--s-5);
  margin-bottom: var(--s-5);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 var(--s-4);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--brand-blue);
  color: #fff !important;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition);
}
.index-pool-card__cta:hover {
  background: var(--brand-blue-700);
}
.index-pool-card__cta:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ========== 3. Доверие + Процесс (единый блок) ========== */
.index-trust-process {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.index-trust-process .container { text-align: center; }
.index-trust-process .index-section__title { text-align: center; }
.index-trust-process .index-section__sub {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.index-trust-grid,
.index-trust-process .index-timeline { text-align: left; }

.index-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-10);
}
@media (max-width: 1024px) {
  .index-trust-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s-5); margin-bottom: var(--s-8); }
}
@media (max-width: 768px) {
  .index-trust-grid { grid-template-columns: 1fr; gap: var(--s-4); margin-bottom: var(--s-8); }
}

.index-trust-card {
  padding: var(--s-5);
  border-radius: var(--r-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.index-trust-card:hover {
  border-color: rgba(11, 61, 145, 0.15);
  box-shadow: var(--shadow-sm);
}
.index-trust-card__title {
  margin: 0 0 var(--s-2);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.index-trust-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--muted);
}

.index-trust-process h2.index-section__title:nth-of-type(2) {
  margin-top: var(--s-10);
}
.index-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--s-4);
  margin-top: var(--s-8);
}
@media (max-width: 1024px) {
  .index-timeline { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .index-timeline { grid-template-columns: 1fr; gap: var(--s-3); }
}

.index-timeline__step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--s-4);
  border-radius: var(--r-md);
  background: var(--bg);
  border: 1px solid var(--border);
}
.index-timeline__icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--s-2);
  color: var(--gold-accent);
}
.index-timeline__num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.index-timeline__title {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}
.index-timeline__desc {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ========== 4. Галерея — слайдер ========== */
.index-portfolio {
  background: var(--bg);
}
.portfolio-slider {
  position: relative;
  margin: 0 calc(-1 * var(--padding-inline));
  padding: 0 var(--padding-inline);
}
@media (max-width: 768px) {
  .portfolio-slider { margin: 0 calc(-1 * var(--padding-inline-mobile)); padding: 0 var(--padding-inline-mobile); }
}
.portfolio-swiper {
  overflow: hidden;
  padding-bottom: 48px;
}
.portfolio-slide {
  margin: 0;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
}
.portfolio-slide img {
  display: block;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.portfolio-slide__cap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: var(--s-3);
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.4;
}
.portfolio-slide__line {
  display: block;
}
.portfolio-slider__prev,
.portfolio-slider__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.portfolio-slider__prev { left: var(--s-2); }
.portfolio-slider__next { right: var(--s-2); }
.portfolio-slider__prev:hover,
.portfolio-slider__next:hover {
  background: var(--bg);
  border-color: var(--brand-blue);
}
.portfolio-slider__prev:focus-visible,
.portfolio-slider__next:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.portfolio-slider__prev::after {
  content: "\2039";
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.portfolio-slider__next::after {
  content: "\203A";
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.portfolio-pagination {
  bottom: 0 !important;
}
.portfolio-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: var(--muted);
  opacity: 0.5;
  transition: opacity var(--transition), background var(--transition);
}
.portfolio-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  background: var(--gold-accent);
  width: 10px;
  border-radius: 4px;
}

.index-portfolio-cta {
  margin-top: var(--s-8);
  text-align: center;
}
.index-portfolio-cta .btn--secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 var(--s-6);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.9375rem;
  background: transparent;
  color: var(--brand-blue) !important;
  border: 2px solid var(--brand-blue);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.index-portfolio-cta .btn--secondary:hover {
  background: rgba(11, 61, 145, 0.06);
  border-color: var(--gold-accent);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.2);
}
.index-portfolio-cta .btn--secondary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 0 0 1px rgba(201, 162, 39, 0.15);
}

/* ========== 5. FAQ (компактный, 2 колонки, 6 вопросов) ========== */
.index-faq {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.index-faq .index-section__sub {
  margin-bottom: var(--s-4);
}
.faq-grid {
  max-width: 900px;
}
.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 var(--s-8);
}
@media (max-width: 768px) {
  .faq-list { grid-template-columns: 1fr; }
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:nth-child(-n+2) { border-top: 1px solid var(--border); }
.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--s-3) 0;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-trigger:hover {
  color: var(--brand-blue);
}
.faq-trigger:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.faq-trigger__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: var(--s-3);
  color: var(--muted);
  transition: transform 180ms ease, color var(--transition);
}
.faq-item.is-open .faq-trigger__icon {
  transform: rotate(45deg);
  color: var(--gold-accent);
}
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 180ms ease;
}
.faq-content__inner {
  padding: 0 0 var(--s-3);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
}