/* Лендинг на базе презентации */

:root {
  --site-header-height: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: none;
}

body.site {
  overflow-x: hidden;
}

/* ——— Шапка ——— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--site-header-height);
  background: rgb(10 15 13 / 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 32px rgb(0 0 0 / 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--slide-pad);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-header__logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
  justify-content: center;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 0.5rem;
}

.site-header__nav::-webkit-scrollbar {
  display: none;
}

.site-header__link {
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  transition:
    color 0.2s,
    background 0.2s;
}

.site-header__link:hover {
  color: var(--text);
  background: rgb(255 255 255 / 0.06);
}

.site-header__link.is-active {
  color: #061018;
  background: var(--green);
}

.site-header__link--phone-mobile {
  display: none;
  color: var(--green);
  border: 1px solid rgb(58 209 102 / 0.35);
  background: rgb(58 209 102 / 0.08);
  text-align: center;
  margin-top: 0.35rem;
}

.site-header__phone {
  flex-shrink: 0;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgb(58 209 102 / 0.35);
  background: rgb(58 209 102 / 0.1);
  color: var(--green);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.site-header__phone:hover {
  background: rgb(58 209 102 / 0.18);
  border-color: rgb(58 209 102 / 0.55);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: rgb(255 255 255 / 0.04);
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  border-radius: 999px;
  background: var(--text);
  transition:
    transform 0.25s,
    opacity 0.25s;
}

.site-header.is-open .site-header__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .site-header__toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .site-header__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ——— Секции ——— */
.site-main .slide {
  min-height: auto;
  min-height: unset;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
  align-items: stretch;
  padding: clamp(4rem, 8vw, 5.5rem) var(--slide-pad);
  border-bottom: 1px solid var(--border);
}

.site-main .slide:last-child {
  border-bottom: none;
}

.site-main .slide--hero {
  padding-top: calc(var(--site-header-height) + clamp(3rem, 6vw, 4.5rem));
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.site-main .slide--compact {
  padding-top: clamp(3.5rem, 7vw, 5rem);
  padding-bottom: clamp(3.5rem, 7vw, 5rem);
}

.site-main .slide--contacts {
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.site-main .slide__inner {
  max-width: 1200px;
}

.site-main .slide__header--center {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

/* Hero на сайте — обычная сетка в контейнере */
body.site #hero .slide__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 0;
  --hero-text-inset: 0;
}

body.site #hero .hero__content {
  margin-left: 0;
}

body.site #hero .hero__visual {
  margin-left: 0;
  min-height: clamp(360px, 52vh, 640px);
}

body.site #hero .hero-photo {
  height: min(72vh, 720px);
}

/* Анимации видны сразу при прокрутке */
body.site .slide.is-visible .slide__text,
body.site .slide.is-visible .slide__visual,
body.site .slide.is-visible .slide__header,
body.site .slide.is-visible .product-grid,
body.site .slide.is-visible .killer-grid,
body.site .slide.is-visible .modules-grid,
body.site .slide.is-visible .pricing-layout,
body.site .slide.is-visible .roi-table,
body.site .slide.is-visible .workflow,
body.site .slide.is-visible .integrations-grid {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .site-header__link {
    font-size: 0.68rem;
    padding: 0.4rem 0.5rem;
  }

  .site-header__brand span {
    font-size: 0.82rem;
  }
}

@media (max-width: 900px) {
  .site-header__toggle {
    display: flex;
  }

  .site-header__phone {
    display: none;
  }

  .site-header__nav {
    position: absolute;
    top: var(--site-header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--slide-pad);
    background: rgb(10 15 13 / 0.96);
    border-bottom: 1px solid transparent;
    transition:
      max-height 0.35s ease,
      padding 0.35s ease,
      border-color 0.25s;
  }

  .site-header.is-open .site-header__nav {
    max-height: 70vh;
    overflow-y: auto;
    padding: 0.75rem var(--slide-pad) 1rem;
    border-bottom-color: var(--border);
  }

  .site-header__link {
    padding: 0.65rem 0.85rem;
    font-size: 0.85rem;
  }

  .site-header__link--phone-mobile {
    display: block;
  }
}

@media (max-width: 1024px) {
  body.site #hero .slide__inner {
    flex-direction: column;
  }

  body.site #hero .hero__visual {
    margin-right: 0;
    width: 100%;
    min-height: auto;
    justify-content: stretch;
  }

  body.site #hero .hero-showcase {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  body.site #hero .hero-photo {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    object-position: center top;
    border-radius: 14px;
  }
}