/**
 * Главная страница — композиция как на референсе.
 * LineDot — заголовки, Nunito — текст, навигация, футер.
 */

html {
  overscroll-behavior-y: none;
}

/* LineDot — заголовки секций, карточек, слайдов; Nunito — хедер, футер, текст */
.carousel__title,
.tasks__title,
.services__title,
.feature-card__title,
.service-slide__title,
.logo {
  font-family: var(--font-heading);
}

.logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 800; color: var(--color-text); text-decoration: none; }
.logo__mark { width: 44px; min-height: 2.5em; align-self: stretch; flex-shrink: 0; border: 2px solid var(--color-text); background: linear-gradient(135deg, var(--color-bg), var(--color-bg-alt)); }
.logo__text { display: flex; flex-direction: column; line-height: 1.08; gap: 0; }
.logo__line { display: block; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header: убираем тень/границу из base, свои размеры и анимация */
.header {
  border-bottom: none !important;
  box-shadow: none !important;
  height: 12.6vh;
  min-height: 66px;
  transition: height 0.31s ease;
}
.header.header--scrolled {
  height: 10vh;
  min-height: 56px;
}

.nav__link {
  font-size: 1.575rem;
  font-weight: 400;
  font-family: var(--font-sans);
}

.header__actions .icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.icon-btn::after {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-text-muted);
}

@media (max-width: 900px) {
  .nav__link {
    font-size: 1.425rem;
  }
  .nav__list {
    gap: 1.25rem;
  }
}

@media (max-width: 720px) {
  .header { height: auto; min-height: 56px; }
  .header:not(.header--scrolled) { min-height: 66px; }
  .header__inner { grid-template-columns: auto auto; }
  .header__nav { display: none; }
}

/* Hero Carousel */
.hero-carousel {
  padding: 1.25rem 0 calc(2.25rem + 28px);
}

.carousel {
  position: relative;
}

.carousel__viewport {
  position: relative;
  overflow: visible;
  background: #0b1b2a;
  min-height: 525px;
}

.carousel__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(800px 300px at 70% 30%, rgba(16,185,129,0.5), transparent 60%),
    radial-gradient(700px 280px at 40% 60%, rgba(5,150,105,0.4), transparent 60%),
    linear-gradient(135deg, #051a14 0%, #0a2a22 60%, #051a14 100%);
}

.carousel__overlay {
  position: absolute;
  left: 0;
  bottom: -28px;
  max-width: 640px;
  background: var(--color-bg);
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
}

.carousel__title {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.carousel__meta {
  margin: 0 0 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.carousel__excerpt {
  margin: 0;
  color: var(--color-text);
  font-size: 1rem;
}

.carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
}

.carousel__nav--prev { left: 14px; }
.carousel__nav--next { right: 14px; }

/* Стрелки без иконок: рисуем бордерами */
.carousel__nav::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  margin: 0 auto;
  opacity: 0.95;
}

.carousel__nav--prev::before {
  transform: rotate(-135deg);
}

.carousel__nav--next::before {
  transform: rotate(45deg);
}

.carousel__dots {
  margin-top: 0.75rem;
  display: flex;
  gap: 8px;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border: none;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  padding: 0;
}

.carousel__dot.is-active {
  background: var(--color-primary);
}

@media (max-width: 720px) {
  .carousel__viewport { min-height: 450px; }
  .carousel__overlay {
    left: 0;
    right: auto;
    bottom: -24px;
    max-width: none;
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }
  .carousel__title { font-size: 1.25rem; }
}

/* Tasks: tabs + feature grid */
.tasks {
  padding: 2.25rem 0 2.75rem;
}

.tasks__tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.tab {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--border-color);
  background: #fff;
  font-weight: 600;
  cursor: pointer;
}

.tab--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.tasks__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tasks__title {
  margin: 0;
  font-size: 2.625rem;
  letter-spacing: -0.02em;
}

.tasks__all {
  color: var(--color-text-muted);
  font-weight: 600;
  text-decoration: none;
  margin-right: 0.5rem;
  font-family: var(--font-sans);
}

.tasks__all:hover { text-decoration: none; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 1rem;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  aspect-ratio: 1;
  background: #e8ecf0;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.25s ease;
}

.feature-card:hover {
  background: #dce2e8;
  text-decoration: none;
}

.feature-card.is-hidden {
  display: none;
}

.feature-card__icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--border-color), var(--color-bg-alt));
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.feature-card__chev {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
}

.feature-card__chev::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--color-text-muted);
  border-right: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
}

.feature-card__content {
  margin-top: auto;
  padding-bottom: 9%;
  min-height: 4.5rem;
}

.feature-card__title {
  margin: 0 0 0.4rem;
  font-size: 1.375rem;
}

.feature-card__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .tasks__title {
    font-size: 1.65rem;
  }
}

/* Services horizontal partial visibility */
.services {
  padding: 1.75rem 0 3rem;
}

.services__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.services__title {
  margin: 0;
  font-size: 2.625rem;
  letter-spacing: -0.02em;
}

.services__all {
  color: var(--color-text-muted);
  font-weight: 600;
  text-decoration: none;
  margin-right: 0.5rem;
  font-family: var(--font-sans);
}
.services__all:hover { text-decoration: none; }

.services-carousel {
  position: relative;
}

.services-carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.services-carousel__nav--prev {
  left: max(var(--spacing-lg), calc((100vw - var(--container-max)) / 2 + var(--spacing-lg)));
}
.services-carousel__nav--next {
  right: max(var(--spacing-lg), calc((100vw - var(--container-max)) / 2 + var(--spacing-lg)));
}

.services-carousel__nav:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.25);
}

.services-carousel__nav:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.services-carousel__nav::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--color-text);
  border-right: 2px solid var(--color-text);
}

.services-carousel__nav--prev::before {
  transform: rotate(-135deg);
}

.services-carousel__nav--next::before {
  transform: rotate(45deg);
}

.services__scroller {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0 0.75rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
}

.services__scroller::-webkit-scrollbar {
  display: none;
}

.services__track {
  display: flex;
  gap: 1.56rem;
  --_track-pad: max(var(--spacing-lg), calc((100vw - var(--container-max)) / 2 + var(--spacing-lg)));
  padding-left: var(--_track-pad);
  padding-right: var(--_track-pad);
}

.services__track-spacer {
  flex: 0 0 50vw;
  min-width: 50vw;
  pointer-events: none;
  scroll-snap-align: none;
}

.service-slide {
  position: relative;
  text-decoration: none;
  color: inherit;
  flex: 0 0 min(calc(100vw - 2 * var(--spacing-lg)), calc(var(--container-max) - 2 * var(--spacing-lg)));
  width: min(calc(100vw - 2 * var(--spacing-lg)), calc(var(--container-max) - 2 * var(--spacing-lg)));
  height: 56vh;
  min-height: 320px;
  overflow: hidden;
  background: var(--color-primary-light);
  scroll-snap-align: center;
  scroll-snap-stop: always;
}

.service-slide__media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16,185,129,0.12) 0%, rgba(16,185,129,0.05) 40%, rgba(16,185,129,0.02) 100%),
    linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 40%, #A7F3D0 100%);
}

.service-slide__panel {
  position: absolute;
  left: 0;
  top: 0;
  width: 45%;
  height: 45%;
  padding: 1.25rem;
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  transition: filter 0.25s ease;
}

.service-slide:hover .service-slide__panel {
  filter: brightness(1.08);
}

.service-slide:nth-child(2) .service-slide__panel { background: var(--color-primary); }
.service-slide:nth-child(3) .service-slide__panel { background: var(--color-secondary); }

.service-slide__title {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
  line-height: 1.15;
}

.service-slide__desc {
  margin: 0 0 auto;
  font-size: 0.9rem;
  opacity: 0.95;
  flex: 1;
}

.service-slide__meta-bar {
  margin-top: 0.75rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.25);
  color: inherit;
  font-size: 0.9rem;
  display: inline-flex;
  gap: 0.5rem;
  width: fit-content;
  flex-wrap: wrap;
}

.service-slide__meta-bar span + span::before {
  content: " | ";
}

@media (max-width: 900px) {
  .service-slide {
    flex: 0 0 min(86vw, calc(var(--container-max) - 2 * var(--spacing-lg)));
    width: min(86vw, calc(var(--container-max) - 2 * var(--spacing-lg)));
  }
}

@media (max-width: 720px) {
  .service-slide__panel { width: 55%; height: 55%; }
  .services__title { font-size: 2rem; }
  .tasks__title { font-size: 2rem; }
}

/* Footer (двухуровневый) */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--border-color);
}

.site-footer__info {
  padding: 2.25rem 0;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 2rem;
}

.site-footer__head {
  margin: 0 0 0.75rem;
  font-weight: 800;
  font-family: var(--font-sans);
}

.site-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__list li + li { margin-top: 0.45rem; }

.site-footer__list a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-sans);
  transition: color 0.2s;
}
.site-footer__list a:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.site-footer__muted {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 0.35rem;
}

.site-footer__contacts p { margin: 0 0 0.35rem; }
.site-footer__contacts a {
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-sans);
  transition: color 0.2s;
}
.site-footer__contacts a:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.site-footer__col--right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

.site-footer__social {
  display: flex;
  gap: 0.5rem;
}

.social-pill {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-color);
  background: var(--color-bg);
}

.site-footer__legal a {
  transition: color 0.2s;
}
.site-footer__legal a:hover {
  text-decoration: none;
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__col--right { align-items: flex-start; }
}

@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}