/* Chaitda landing — responsive (loads from <head>, no JS required) */
.ch-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 18px 56px;
  border-bottom: 1px solid #e6e3dd;
  background: rgba(246, 245, 242, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.ch-nav-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.ch-nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid #d8d3c8;
  border-radius: 10px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: #14213d;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.ch-nav-toggle[aria-expanded="true"] {
  background: #14213d;
  color: #fff;
  border-color: #14213d;
}

.ch-nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}

.ch-nav-links a {
  white-space: nowrap;
}

.ch-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.ch-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.ch-benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.ch-demos-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.ch-contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.ch-contact-perks {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.ch-compliance {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ch-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.ch-footer-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  html,
  body {
    overflow-x: hidden;
  }

  .ch-nav {
    padding: 14px 20px;
  }

  .ch-nav-toggle {
    display: inline-flex !important;
  }

  .ch-nav-links {
    display: none !important;
    flex-basis: 100%;
    order: 3;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    margin-top: 0;
    padding: 12px 0 4px;
    border-top: 1px solid #ebe7de;
  }

  .ch-nav-links.is-open {
    display: flex !important;
  }

  .ch-nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid #ebe7de;
    white-space: normal;
  }

  .ch-nav-links a:last-child {
    margin-top: 8px;
    border-bottom: none;
    text-align: center;
  }

  .ch-hero {
    padding: 56px 20px 48px !important;
  }

  .ch-hero-grid {
    grid-template-columns: 1fr !important;
    gap: 36px !important;
  }

  .ch-hero h1 {
    font-size: 38px !important;
    line-height: 1.18 !important;
  }

  .ch-hero-visual .ch-hero-badge {
    position: relative !important;
    bottom: auto !important;
    left: auto !important;
    margin-top: 16px;
  }

  .ch-hero-actions {
    flex-direction: column;
  }

  .ch-hero-actions a {
    text-align: center;
    width: 100%;
  }

  .ch-pad-x {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  .ch-benefits {
    padding: 64px 20px !important;
  }

  .ch-benefits h2 {
    font-size: 30px !important;
  }

  .ch-benefits-grid {
    grid-template-columns: 1fr !important;
  }

  .ch-demos {
    padding: 0 20px 64px !important;
  }

  .ch-demos-head {
    flex-direction: column;
    align-items: flex-start !important;
  }

  .ch-demos h2 {
    font-size: 30px !important;
  }

  .ch-contact {
    padding: 0 20px 56px !important;
  }

  .ch-contact-inner {
    padding: 36px 24px !important;
  }

  .ch-contact-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .ch-contact h2 {
    font-size: 32px !important;
  }

  .ch-contact-perks {
    flex-direction: column;
    gap: 10px !important;
  }

  .ch-compliance {
    flex-direction: column;
    align-items: flex-start !important;
    padding: 18px 20px !important;
  }

  .ch-footer {
    padding: 28px 20px !important;
    flex-direction: column;
    align-items: flex-start !important;
  }
}

@media (max-width: 480px) {
  .ch-hero h1 {
    font-size: 32px !important;
  }

  .ch-nav .ch-brand-sub {
    display: none;
  }
}
