/* Публичные пояснения на главной; стили не затрагивают рабочий интерфейс. */
.landing-hero {
  height: auto;
}

@media (min-width: 901px) {
  .landing-hero {
    min-height: clamp(660px, calc(100svh - 132px), 860px);
  }

  .landing-hero-content {
    padding-bottom: 40px;
  }
}

.landing-tariff-summary {
  width: 100%;
  grid-column: 1 / -1;
}

.landing-tariff-summary section + section { margin-top: 32px; }

.landing-tariff-summary table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.landing-tariff-summary th,
.landing-tariff-summary td {
  padding: 12px 8px;
  border-bottom: 1px solid #27313e;
  text-align: left;
  vertical-align: top;
}

.landing-tariff-summary td { white-space: nowrap; }

.landing-tariff-summary ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #b5c0cf;
  font-weight: 400;
}

.landing-use-cases,
.landing-faq {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 30px 0;
  color: #eef3fa;
  scroll-margin-top: 24px;
}

.landing-use-cases h2,
.landing-faq h2 {
  margin: 0 0 18px;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.25;
  text-align: center;
}

.landing-section-intro,
.landing-tariff-explanation {
  max-width: 760px;
  margin: 0 auto 28px;
  color: #b5c0cf;
  font-size: 16px;
  line-height: 1.7;
  text-align: center;
}

.landing-task-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.landing-task-grid article {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  border-top: 2px solid #5eead4;
  border-radius: 0 0 18px 18px;
  background: #0c121b;
  scroll-margin-top: 24px;
}

.landing-task-grid h3 {
  margin: 0 0 20px;
  font-size: 21px;
  line-height: 1.35;
}

.landing-task-grid p,
.landing-faq p {
  margin: 0 0 18px;
  color: #b5c0cf;
  font-size: 15px;
  line-height: 1.75;
}

.landing-task-grid .landing-prompt-label {
  margin: 24px 0 8px;
  color: #5eead4;
  font-weight: 600;
}

.landing-task-grid blockquote {
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 2px solid #354557;
  color: #e1e9f4;
  font-size: 15px;
  line-height: 1.75;
}

.landing-task-cta {
  display: table;
  margin: 30px auto 0;
  padding: 14px 22px;
  border-radius: 12px;
  background: #5eead4;
  color: #08120f;
  font-weight: 700;
  text-align: center;
}

.landing-task-cta:hover {
  background: #8af2e1;
}

.landing-task-grid .landing-task-cta {
  margin: auto 0 0;
}

.landing-faq {
  max-width: 940px;
  padding-bottom: 36px;
}

.landing-faq details {
  border-bottom: 1px solid #27313e;
  padding: 20px 0;
}

.landing-faq summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.landing-faq details p {
  margin: 16px 0 0;
}

.landing-faq a {
  color: #5eead4;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.landing-use-cases a:focus-visible,
.landing-faq a:focus-visible,
.landing-faq summary:focus-visible {
  outline: 2px solid #5eead4;
  outline-offset: 5px;
}

@media (max-width: 900px) {
  .landing-task-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .landing-use-cases,
  .landing-faq {
    padding: 44px 18px 0;
  }

  .landing-task-grid article {
    padding: 20px;
  }

  .landing-faq {
    padding-bottom: 28px;
  }
}