/* ========================================================================== */
/* RU: layout.css — каркас страниц, header, hero, секции и footer-shell      */
/* EN: layout.css — page layout, header, hero, sections and footer shell      */
/* ========================================================================== */

/* ========================================================================== */
/* RU: Общая структура layout                                                 */
/* EN: General layout structure                                               */
/* ========================================================================== */
.site-main {
  display: block;
  overflow: clip;
}

.section {
  position: relative;
  padding: clamp(84px, 8vw, 120px) 0;
}

.section + .section {
  border-top: 1px solid rgba(11, 53, 88, 0.09);
}

.section--alt {
  background: linear-gradient(180deg, rgba(231, 240, 250, 0.94), rgba(217, 230, 244, 0.90));
}

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

/* ========================================================================== */
/* RU: Header / Шапка сайта                                                   */
/* EN: Header / Site header                                                   */
/* ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(248, 251, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(11, 53, 88, 0.08);
}

.site-header.is-scrolled {
  background: rgba(248, 251, 255, 0.96);
  box-shadow: 0 12px 30px rgba(16, 53, 92, 0.08);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  min-height: 88px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
}

.site-brand__logo {
  display: block;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.site-brand--header .site-brand__logo {
  height: 54px;
  max-width: 260px;
}

.site-brand--footer .site-brand__logo {
  height: 58px;
  max-width: 240px;
}

.site-nav {
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: nowrap;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition:
    color var(--transition),
    background-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.site-nav__link:hover {
  color: var(--color-primary);
}

.site-nav__link.is-active {
  background: rgba(0, 107, 255, 0.12);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px rgba(0, 107, 255, 0.06);
}

/* ========================================================================== */
/* RU: Dropdown / submenu для пункта «Как обратиться»                         */
/* EN: Dropdown / submenu for "Как обратиться" nav item                       */
/* ========================================================================== */
.site-nav__item--has-sub {
  position: relative;
}

.site-nav__link-wrap {
  display: inline-flex;
  align-items: center;
}

.site-nav__arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform var(--transition);
}

.site-nav__item--has-sub:hover .site-nav__arrow {
  transform: rotate(180deg);
}

.site-nav__sub {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: #ffffff;
  border: 1px solid rgba(11, 53, 88, 0.10);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 130;
}

.site-nav__item--has-sub:hover .site-nav__sub,
.site-nav__item--has-sub:focus-within .site-nav__sub {
  opacity: 1;
  visibility: visible;
}

.site-nav__sublink {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  transition: background-color var(--transition);
}

.site-nav__sublink:hover {
  background: rgba(0, 107, 255, 0.08);
  color: var(--color-primary);
}

.site-nav__sublink.is-active {
  background: rgba(0, 107, 255, 0.12);
  color: var(--color-primary);
  font-weight: 700;
}

.site-nav__sub-toggle {
  display: none;
}

.site-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.site-header__cabinet {
  min-height: 48px;
  padding-inline: 20px;
  margin-left: 12px;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(11, 53, 88, 0.10);
  background: rgba(255, 255, 255, 0.90);
  box-shadow: var(--shadow-xs);
}

.menu-toggle__line,
.menu-toggle__line::before,
.menu-toggle__line::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transform: translateX(-50%);
  transition:
    transform var(--transition),
    opacity var(--transition),
    top var(--transition);
}

.menu-toggle__line {
  top: 50%;
  transform: translate(-50%, -50%);
}

.menu-toggle__line::before {
  top: -6px;
}

.menu-toggle__line::after {
  top: 6px;
}

/* ========================================================================== */
/* RU: Hero / Первый экран                                                    */
/* EN: Hero / First screen                                                    */
/* ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 5vw, 76px) 0 clamp(64px, 7vw, 104px);
  background: linear-gradient(180deg, rgba(246, 250, 255, 0.88), rgba(234, 242, 250, 0.98));
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 520px);
  align-items: center;
  gap: clamp(28px, 4vw, 68px);
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(11, 53, 88, 0.06);
  box-shadow: var(--shadow-xs);
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__title {
  max-width: 10.5ch;
  margin: 0 0 16px;
  color: var(--color-text);
  font-size: clamp(2.6rem, 2rem + 2.2vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 800;
}

.hero__title span {
  color: var(--color-primary);
}

.hero__description {
  max-width: 58ch;
  margin: 0 0 24px;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 0.96rem + 0.25vw, 1.14rem);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.hero__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero__meta li {
  display: inline-flex;
  align-self: flex-start;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(11, 53, 88, 0.07);
  box-shadow: var(--shadow-xs);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.hero__visual {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================================================================== */
/* RU: Hero split — текст + поддерживающее изображение (about.html)          */
/* EN: Hero split — text + supporting image (about.html)                    */
/* ========================================================================== */
.hero-split {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 7vw, 96px) 0 clamp(88px, 9vw, 132px);
  background: linear-gradient(180deg, rgba(246, 250, 255, 0.88), rgba(234, 242, 250, 0.98));
}

.hero-split__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
}

.hero-split__content {
  max-width: 62ch;
}

.hero-split__content .section-title {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.hero-split__content .section-description {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.hero-split__content .hero-badges {
  justify-content: flex-start;
}

.hero-split__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

@media (max-width: 1024px) {
  .hero-split__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 28px;
  }
}

@media (max-width: 920px) {
  .hero-split {
    padding-top: 44px;
  }

  .hero-split__inner {
    grid-template-columns: 1fr;
  }

  .hero-split__media {
    max-width: 520px;
  }
}

@media (max-width: 760px) {
  .hero-split {
    padding-bottom: 56px;
  }

  .hero-split__content .section-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
  }

  .hero-split__media {
    max-width: 100%;
  }
}

.hero__glow {
  position: absolute;
  inset: 16% 8% 10% 12%;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(0, 107, 255, 0.14), rgba(0, 107, 255, 0.03) 55%, transparent 72%);
  filter: blur(16px);
  pointer-events: none;
}

.hero__panel {
  --hero-panel-radius: 30px;
  position: relative;
  z-index: 2;
  width: min(100%, 460px);
  padding: 18px;
  border-radius: var(--hero-panel-radius);
  border: 1px solid rgba(11, 53, 88, 0.08);
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.hero__panel-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.hero__panel-kicker {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero__panel-title {
  max-width: 18ch;
  margin: 0;
  color: var(--color-text);
  font-size: clamp(1.2rem, 1.05rem + 0.45vw, 1.6rem);
  line-height: 1.15;
  font-weight: 800;
}

.hero__panel-badge {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(0, 107, 255, 0.10);
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.hero__panel-body {
  position: relative;
}

.hero-showcase__tabs {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 14px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(223, 233, 244, 0.92);
}

.hero-showcase__tab {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.hero-showcase__tab.is-active {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.hero-card {
  display: none;
  min-height: 270px;
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(11, 53, 88, 0.07);
  box-shadow: var(--shadow-sm);
}

.hero-card.is-active {
  display: flex;
  flex-direction: column;
}

.hero-card__tag {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 107, 255, 0.09);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
}

.hero-card__title {
  max-width: 14ch;
  margin: 0 0 14px;
  color: var(--color-text);
  font-size: clamp(1.35rem, 1.2rem + 0.55vw, 1.75rem);
  line-height: 1.07;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.hero-card__description {
  margin: 0 0 14px;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.55;
}

.hero-card__list {
  margin: auto 0 0;
  padding-left: 1.1rem;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.hero-card__list li + li {
  margin-top: 8px;
}

.hero-showcase__pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.hero-showcase__dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(11, 53, 88, 0.16);
}

.hero-showcase__dot.is-active {
  width: 26px;
  background: var(--color-primary);
}

.hero__floating-card {
  position: absolute;
  z-index: 1;
}

.hero__floating-card--a {
  top: 56px;
  left: -18px;
}

.hero__floating-card--b {
  top: 128px;
  right: -12px;
}

.hero__floating-card--c {
  bottom: 68px;
  left: 10px;
}

.hero__floating-card--d {
  right: 22px;
  bottom: 30px;
}

.mini-card {
  width: 188px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(11, 53, 88, 0.07);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.mini-card__title {
  margin: 0 0 8px;
  color: var(--color-text);
  font-size: 1.08rem;
  line-height: 1.15;
  font-weight: 800;
}

.mini-card__text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

/* ========================================================================== */
/* RU: Footer shell / Внешний каркас футера                                   */
/* EN: Footer shell                                                           */
/* ========================================================================== */
.site-footer {
  padding: 28px 0 42px;
  border-top: 1px solid rgba(11, 53, 88, 0.08);
  background: linear-gradient(180deg, rgba(233, 241, 248, 0.90), rgba(227, 236, 245, 0.96));
}

/* ========================================================================== */
/* RU: Адаптивность / Responsive                                              */
/* EN: Responsiveness                                                         */
/* ========================================================================== */
@media (max-width: 1180px) {
  .site-header__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 18px;
  }

  .site-brand--header .site-brand__logo {
    height: 50px;
    max-width: 228px;
  }

  .site-brand--footer .site-brand__logo {
    height: 54px;
    max-width: 228px;
  }

  .site-nav__list {
    gap: 10px;
  }

  .site-nav__link {
    padding-inline: 8px;
    font-size: 0.88rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 520px;
  }
}

@media (max-width: 920px) {
  .site-header__inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    display: none;
    padding: 16px;
    border: 1px solid rgba(11, 53, 88, 0.08);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .site-nav__link {
    justify-content: flex-start;
    min-height: 46px;
    padding: 0 14px;
    border-radius: 16px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-header__cabinet {
    display: none;
  }

  .site-nav__item--has-sub {
    display: flex;
    flex-direction: column;
  }

  .site-nav__link-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .site-nav__link-wrap .site-nav__link {
    flex: 1;
  }

  .site-nav__arrow {
    display: none;
  }

  .site-nav__sub-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 16px;
    border: 1px solid rgba(11, 53, 88, 0.08);
    background: rgba(255, 255, 255, 0.80);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
    flex-shrink: 0;
  }

  .site-nav__sub-toggle:hover {
    background: rgba(0, 107, 255, 0.08);
    color: var(--color-primary);
  }

  .site-nav__sub-toggle.is-open svg {
    transform: rotate(180deg);
  }

  .site-nav__sub {
    position: static;
    transform: none;
    min-width: 0;
    margin-top: 0;
    padding: 0 0 0 16px;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    display: none;
  }

  .site-nav__sub.is-open {
    display: block;
  }

  .site-nav__item--has-sub:hover .site-nav__sub {
    opacity: 1;
    visibility: visible;
    display: none;
  }

  .site-nav__sublink {
    min-height: 46px;
    padding: 0 14px;
    border-radius: 16px;
    font-size: 0.9rem;
  }

  .site-nav__sub-toggle.is-open + .site-nav__sub,
  .site-nav__sub.is-open {
    display: block;
  }

  .menu-open {
    overflow: hidden;
  }

  .hero {
    padding-top: 44px;
  }

  .hero__title {
    max-width: 11ch;
    font-size: clamp(2.2rem, 7vw, 3.6rem);
  }

  .hero__visual {
    min-height: 480px;
  }

  .hero__floating-card--a {
    left: 0;
  }

  .hero__floating-card--b {
    right: 0;
  }
}

@media (max-width: 760px) {
  .site-header__inner {
    min-height: 78px;
  }

  .site-brand--header .site-brand__logo {
    height: 48px;
    max-width: 210px;
  }

  .site-brand--footer .site-brand__logo {
    height: 52px;
    max-width: 210px;
  }

  .hero {
    padding: 32px 0 72px;
  }

  .hero__description {
    margin-bottom: 24px;
  }

  .hero__actions {
    margin-bottom: 22px;
  }

  .hero__meta li {
    align-self: stretch;
    border-radius: 18px;
  }

  .hero__visual {
    min-height: auto;
  }

  .hero__panel {
    --hero-panel-radius: 24px;
    width: 100%;
    padding: 18px;
  }

  .hero__panel-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card {
    min-height: auto;
    padding: 20px;
  }

  .hero__floating-card {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav__link,
  .menu-toggle__line,
  .menu-toggle__line::before,
  .menu-toggle__line::after {
    transition: none;
  }
}