/**
 * Стили главной страницы (LSI landing). Подключаются только на front page.
 * Область видимости: .lsi-landing (контент между header и footer темы).
 */
:root {
  --color-bg: #f4f6fb;
  --color-bg-light: #ffffff;
  --color-primary: #004a99;
  --color-primary-dark: #022c5c;
  --color-accent: #ffb400;
  --color-text: #1b1b1b;
  --color-muted: #6b6f7a;
  --radius-md: 14px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.08);
}

.lsi-landing {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Roboto", sans-serif;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.7;
}

.lsi-landing a { color: var(--color-primary); text-decoration: none; }
.lsi-landing a:hover { text-decoration: underline; }

.lsi-landing .container {
  width: min(1140px, 100% - 32px);
  margin: 0 auto;
}

.lsi-landing .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.lsi-landing .btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 14px 30px rgba(0, 74, 153, 0.35);
}
.lsi-landing .btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(0, 74, 153, 0.45);
}
.lsi-landing .btn--outline {
  background: transparent;
  border-color: rgba(0, 74, 153, 0.25);
  color: var(--color-primary-dark);
}
.lsi-landing .btn--outline:hover {
  border-color: var(--color-primary);
  background: rgba(0, 74, 153, 0.05);
}
.lsi-landing .btn--ghost {
  background: #fff;
  border-color: rgba(0, 74, 153, 0.12);
  color: var(--color-primary-dark);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.04);
}
.lsi-landing .btn--ghost:hover { border-color: var(--color-primary); }
.lsi-landing .btn--full { width: 100%; }

.lsi-landing .hero {
  padding: 64px 0 72px;
  background: radial-gradient(circle at top left, rgba(255, 180, 0, 0.15) 0, rgba(0, 74, 153, 0.95) 45%, #021835 100%);
  color: #fff;
}
.lsi-landing .hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
}
.lsi-landing .hero h1 {
  font-size: clamp(28px, 3.1vw, 36px);
  line-height: 1.15;
  margin-bottom: 16px;
  color: #fff;
}
.lsi-landing .hero__subtitle {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-bottom: 16px;
}
.lsi-landing .hero__bullets { list-style: none; padding: 0; margin: 0 0 18px; }
.lsi-landing .hero__bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95);
}
.lsi-landing .hero__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.lsi-landing .hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.lsi-landing .hero__trust { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255, 255, 255, 0.8); }
.lsi-landing .hero__trust span {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
}
.lsi-landing .hero__side {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 420px;
  margin-left: auto;
}
.lsi-landing .hero__photo-card {
  background: rgba(0, 0, 0, 0.16);
  border-radius: 24px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.65);
}
.lsi-landing .hero__photo-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.lsi-landing .hero__form-card {
  margin-top: -56px;
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.lsi-landing .hero__form-card h2 { font-size: 20px; margin-bottom: 8px; color: var(--color-text); line-height: 1.35; }
.lsi-landing .hero__form-card p { font-size: 15px; line-height: 1.6; color: var(--color-muted); margin-bottom: 16px; }
.lsi-landing .form-note { margin: 10px 0 0; font-size: 12px; color: var(--color-muted); line-height: 1.5; }

.lsi-landing .section { padding: 48px 0; }
.lsi-landing .section--light { background: var(--color-bg-light); }
.lsi-landing .section--accent {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
}
.lsi-landing .section--accent a {
  color: #fffbdf;
  font-weight: 600;
}
.lsi-landing .section--accent h1,
.lsi-landing .section--accent h2,
.lsi-landing .section--accent h3,
.lsi-landing .section--accent h4 {
  color: #ffffff;
}
.lsi-landing .section--accent p,
.lsi-landing .section--accent .list,
.lsi-landing .section--accent .list li {
  color: rgba(255, 255, 255, 0.9);
}
.lsi-landing .section__title {
  font-size: 25px;
  margin-top: 12px;
  margin-bottom: 16px;
  text-align: center;
  line-height: 1.35;
}
.lsi-landing .section:first-of-type .section__title { margin-top: 0; }
.lsi-landing .section__subtitle {
  max-width: 640px;
  margin: 0 auto 32px;
  text-align: center;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.55;
}

.lsi-landing .grid { display: grid; gap: 22px; }
.lsi-landing .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lsi-landing .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.lsi-landing .feature-card,
.lsi-landing .case-card,
.lsi-landing .pricing-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.02);
}
.lsi-landing .feature-card h3,
.lsi-landing .case-card h3,
.lsi-landing .pricing-card h3 { margin-top: 0; margin-bottom: 8px; font-size: 18px; line-height: 1.35; }
.lsi-landing .feature-card p { font-size: 15px; line-height: 1.6; color: var(--color-muted); }

.lsi-landing #services .feature-card {
  border: none;
  border-left: 4px solid;
  padding-left: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.lsi-landing #services .feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
}
.lsi-landing #services .feature-card:nth-child(1),
.lsi-landing #services .feature-card:nth-child(2),
.lsi-landing #services .feature-card:nth-child(3) {
  background: linear-gradient(135deg, rgba(0, 74, 153, 0.1), rgba(0, 74, 153, 0.03));
  border-left-color: var(--color-primary);
}
.lsi-landing #services .feature-card:nth-child(1) h3,
.lsi-landing #services .feature-card:nth-child(2) h3,
.lsi-landing #services .feature-card:nth-child(3) h3 {
  color: var(--color-primary-dark);
}

.lsi-landing .case-card__thumb {
  margin: -18px -18px 12px;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
}
.lsi-landing .case-card__thumb img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.lsi-landing .case-card__site { font-size: 14px; line-height: 1.55; color: var(--color-muted); margin-bottom: 6px; }
.lsi-landing .case-card ul { padding-left: 18px; margin: 0 0 8px; font-size: 14px; line-height: 1.6; }
.lsi-landing .case-card__more { font-size: 14px; }
.lsi-landing .cases__all { text-align: center; margin-top: 28px; margin-bottom: 0; }

.lsi-landing .pricing { align-items: stretch; }
.lsi-landing .pricing-card__label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.lsi-landing .pricing-card__price { font-size: 20px; font-weight: 700; margin: 4px 0 10px; }
.lsi-landing .pricing-card ul { padding-left: 18px; font-size: 14px; line-height: 1.6; margin: 0 0 14px; }
.lsi-landing .pricing-card--popular {
  border: 1px solid rgba(255, 180, 0, 0.8);
  box-shadow: 0 24px 60px rgba(255, 180, 0, 0.25);
  transform: translateY(-4px);
}

.lsi-landing .section__split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: flex-start;
}
.lsi-landing .info-box {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.02);
  font-size: 15px;
  line-height: 1.65;
}
.lsi-landing .list { padding-left: 18px; font-size: 15px; line-height: 1.65; }
.lsi-landing .list--nobullet { list-style: none; padding-left: 0; }
.lsi-landing .list--check { list-style: none; padding: 0; }
.lsi-landing .list--check li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 4px;
}
.lsi-landing .list--check li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  color: var(--color-accent);
}

.lsi-landing .audit__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: flex-start;
}
.lsi-landing .audit__cta {
  background: rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  padding: 18px;
}
.lsi-landing .audit__cta h3 {
  color: #ffffff;
}
.lsi-landing .audit__cta p {
  color: rgba(255, 255, 255, 0.9);
}
.lsi-landing .audit__note {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.9;
}

.lsi-landing .steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.lsi-landing .step {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px 14px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.04);
  font-size: 15px;
  line-height: 1.65;
}
.lsi-landing .step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(0, 74, 153, 0.1);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.lsi-landing .step h3 { margin: 0 0 6px; font-size: 16px; line-height: 1.4; }

.lsi-landing .seo-lead {
  max-width: 720px;
  margin: 0 auto 32px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(0, 74, 153, 0.06), rgba(2, 44, 92, 0.04));
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}
.lsi-landing .seo-lead p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}
.lsi-landing .seo-cards { margin-bottom: 28px; }
.lsi-landing .seo-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 22px 20px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.lsi-landing .seo-card:hover {
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.lsi-landing .seo-card__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0, 74, 153, 0.1);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 14px;
}
.lsi-landing .seo-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-primary-dark);
}
.lsi-landing .seo-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
}
.lsi-landing .seo-cta-block {
  text-align: center;
  padding: 28px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 74, 153, 0.12);
}
.lsi-landing .seo-cta-block__text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.lsi-landing .seo-cta-block .btn { margin: 0; }

.lsi-landing .faq { display: grid; gap: 12px; }
.lsi-landing .faq__item {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.04);
  overflow: hidden;
}
.lsi-landing .faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  list-style: none;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}
.lsi-landing .faq__question::-webkit-details-marker { display: none; }
.lsi-landing .faq__question::after {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23004a99' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
  transition: transform 0.25s ease;
}
.lsi-landing .faq__item[open] .faq__question::after { transform: rotate(180deg); }
.lsi-landing .faq__question:hover { background: rgba(0, 74, 153, 0.04); }
.lsi-landing .faq__answer { padding: 14px 18px 16px; }
.lsi-landing .faq__answer p {
  margin: 0;
  padding: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
}
.lsi-landing .faq__item[open] .faq__question { border-bottom: 1px solid rgba(0, 0, 0, 0.06); }

.lsi-landing .final-cta {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 26px;
  align-items: flex-start;
}
.lsi-landing .final-cta__form {
  background: rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  padding: 18px;
}
.lsi-landing .final-cta__form h3 { margin-top: 0; margin-bottom: 8px; }
.lsi-landing .final-cta__form p { font-size: 15px; line-height: 1.6; opacity: 0.9; margin-bottom: 12px; }

@media (max-width: 960px) {
  .lsi-landing .hero__inner,
  .lsi-landing .section__split,
  .lsi-landing .audit__inner,
  .lsi-landing .steps,
  .lsi-landing .final-cta { grid-template-columns: 1fr; }
  .lsi-landing .hero { padding-top: 34px; }
  .lsi-landing .hero__inner { gap: 26px; }
  .lsi-landing .hero__side { max-width: 100%; }
  .lsi-landing .hero__form-card { margin-top: 14px; }
  .lsi-landing .grid--2,
  .lsi-landing .grid--3 { grid-template-columns: 1fr; }
  .lsi-landing .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .lsi-landing .grid--2,
  .lsi-landing .grid--3 { grid-template-columns: 1fr; }
  .lsi-landing .steps { grid-template-columns: 1fr; }
  .lsi-landing .section { padding: 36px 0; }
  .lsi-landing .seo-lead { padding: 16px 18px; }
  .lsi-landing .seo-card { padding: 18px 16px; }
  .lsi-landing .seo-cta-block { padding: 22px 18px; }
}