/* rustng.css */

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: #2b2b2b;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.header { position: relative; z-index: 100; background: #fff; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 48px;
  gap: 32px;
}

.header__logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1a1a1a;
  white-space: nowrap;
}

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.header__burger-line { display: block; width: 24px; height: 2px; background: #333; }

.header__list { display: flex; align-items: center; gap: 36px; }

.header__link {
  display: inline-block;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 16px;
  font-weight: 500;
  color: #5a5a5a;
  cursor: pointer;
}

.header__link:hover { color: #1a1a1a; }

.header__item--dropdown { position: relative; }

.header__dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  min-width: 220px;
  padding: 12px 0;
  background: #fff;
  border: 1px solid #e8e8e8;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(6px);
  transition: 0.2s ease;
  z-index: 50;
}

.header__item--dropdown.is-open .header__dropdown,
.header__item--dropdown:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header__dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 15px;
  color: #444;
}

.header__dropdown-link:hover { background: #f5f5f5; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  transition: background 0.2s ease;
}

.btn--primary { background: #3a8dbc; color: #fff; }
.btn--primary:hover { background: #2f7aa5; }
.btn--dark { background: #1a3c54; color: #fff; }
.btn--dark:hover { background: #143044; }

.hero-product {
  padding: 80px 0 40px;
  text-align: center;
}

.hero-product__title {
  margin: 0 0 24px;
  font-size: 56px;
  font-weight: 700;
  color: #222;
}

.hero-product__lead {
  margin: 0 auto;
  max-width: 900px;
  font-size: 18px;
  line-height: 1.75;
  color: #555;
}

.intro { padding: 50px 0 80px; }

.intro__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: stretch;
}

.intro__media {
  flex: 1 1 420px;
  background: #d9d9d9;
  min-height: 0;
  overflow: hidden;
  align-self: stretch;
}

.intro__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
}

.intro__content {
  flex: 1 1 460px;
  font-size: 17px;
  line-height: 1.75;
  color: #444;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.intro__content p { margin: 0 0 18px; }

.intro__list {
  margin: 0 0 24px;
  padding-left: 24px;
  list-style: disc;
}

.intro__list li { margin-bottom: 6px; }

.advantages {
  padding: 60px 0 90px;
  text-align: center;
}

.advantages__title {
  margin: 0 0 48px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.advantages__swiper {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 60px 48px;
}

.advantages__slide-title {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.advantages__slide-text {
  margin: 0 auto;
  max-width: 760px;
  font-size: 17px;
  line-height: 1.75;
  color: #555;
}

.advantages__nav {
  color: #999;
  width: 32px;
  height: 32px;
}

.advantages__nav::after {
  font-size: 22px;
  font-weight: 700;
}

.advantages__pagination .swiper-pagination-bullet {
  background: #bbb;
  opacity: 1;
  width: 10px;
  height: 10px;
}

.advantages__pagination .swiper-pagination-bullet-active {
  background: #666;
}

.slogan {
  background-color: #111;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
  text-align: center;
  padding: 120px 40px;
  position: relative;
}

.slogan::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
}

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

.slogan__title {
  margin: 0 0 16px;
  font-size: 52px;
  font-weight: 700;
}

.slogan__text {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.features {
  padding: 90px 0;
  background: #f5f5f5;
}

.features__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px 56px;
}

.feature {
  flex: 1 1 calc(50% - 28px);
  min-width: 300px;
}

.feature__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: #555;
}

.support { padding: 90px 0; }

.support__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: center;
}

.support__content { flex: 1 1 400px; }

.support__title {
  margin: 0 0 20px;
  font-size: 30px;
  font-weight: 700;
}

.support__contacts {
  margin: 0 0 28px;
  font-size: 18px;
  line-height: 1.75;
  color: #444;
}

.support__media {
  flex: 1 1 400px;
  background: #d9d9d9;
}

.support__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pricing {
  padding: 90px 0;
  background: #3a8dbc;
  color: #fff;
  text-align: center;
}

.pricing__title {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 700;
}

.pricing__price {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 700;
}

.pricing__note {
  margin: 0 auto 12px;
  max-width: 800px;
  font-size: 16px;
  line-height: 1.7;
  opacity: 0.95;
}

.pricing__cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-top: 48px;
}

.doc-card {
  flex: 1 1 300px;
  max-width: 380px;
  padding: 48px 32px;
  background: #fff;
  color: #222;
}

.doc-card__title {
  margin: 0 0 28px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
}

.cta {
  padding: 90px 0 60px;
  text-align: center;
}

.cta__text {
  margin: 0 0 28px;
  font-size: 28px;
  font-weight: 600;
}

.footer {
  padding: 24px 0 48px;
  text-align: center;
}

.footer__copy {
  margin: 0;
  font-size: 13px;
  color: #9a9a9a;
}

@media (max-width: 1100px) {
  .container { padding: 0 28px; }
  .header__inner { padding: 24px 28px; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }

  .header__burger { display: flex; }

  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .header.is-menu-open .header__nav { max-height: 480px; }

  .header__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 28px 20px;
  }

  .header__item { width: 100%; }

  .header__link {
    display: block;
    width: 100%;
    padding: 14px 0;
    text-align: left;
  }

  .header__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    display: none;
    padding: 0 0 8px 12px;
  }

  .header__item--dropdown.is-open .header__dropdown { display: block; }

  .hero-product__title { font-size: 40px; }

  .advantages__swiper { padding: 0 40px 48px; }

  .feature { flex: 1 1 100%; }

  .slogan { padding: 80px 24px; }

  .slogan__title { font-size: 36px; }

  .cta__text { font-size: 22px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .header__inner { padding: 16px; }
  .header__logo { font-size: 16px; }
}