:root {
  --dl-ink: #101820;
  --dl-muted: #5d6773;
  --dl-line: #dfe5eb;
  --dl-panel: #f6f8fb;
  --dl-accent: #0b63ce;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--dl-ink);
}

.site-logo {
  display: block;
  width: auto;
  height: 54px;
  max-width: 190px;
  object-fit: contain;
}

.header-main .navbar {
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
}

.header-navbar-brand {
  padding-top: 0;
  padding-bottom: 0;
}

.footer-logo {
  display: block;
  width: auto;
  height: 118px;
  max-width: 320px;
  object-fit: contain;
}

.dl-hero {
  background: linear-gradient(180deg, #edf5ff 0%, #dbeafe 100%);
}

.footer {
  background: linear-gradient(180deg, #edf5ff 0%, #dbeafe 100%) !important;
}

.dl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 1.25rem 3rem;
}

.dl-hero-panel {
  min-width: 0;
}

.dl-hero-images {
  display: contents;
}

.dl-hero-copy {
  align-self: center;
}

.dl-hero-a,
.dl-hero-c {
  align-self: start;
}

.dl-hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dl-hero-split-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.dl-hero-img,
.dl-section-img {
  width: 100%;
  height: auto;
  display: block;
}

.dl-headline-line {
  display: block;
}

.dl-headline-separator {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--bs-primary);
  margin: 0.6rem 0 0.5rem;
}

.dl-headline-separator-bottom {
  margin-top: 0.7rem;
  margin-bottom: 1.1rem;
}

.dl-headline-gap {
  margin-top: 0;
}

.dl-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  letter-spacing: 0;
  font-weight: 800;
}

.dl-kicker i {
  font-size: 1.5em;
  line-height: 1;
}

.dl-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.dl-patent-kicker {
  align-self: stretch;
  display: inline-flex;
  align-items: center;
}

.dl-concept-img {
  max-width: 75%;
  margin-left: auto;
  margin-right: auto;
}

.dl-logos {
  width: 86px;
  height: 86px;
  object-fit: contain;
}

.dl-problem-list li,
.dl-check-list li {
  display: flex;
  gap: 0.65rem;
  padding: 0.45rem 0;
}

.dl-problem-list i,
.dl-check-list i {
  flex: 0 0 auto;
  margin-top: 0.2rem;
}

.dl-bridge {
  border-left: 4px solid var(--bs-primary);
  background: var(--dl-panel);
}

.dl-problem-section .dl-card,
.dl-problem-section .dl-bridge {
  background: #fff;
  border: 1px solid var(--dl-line);
  box-shadow: 0 16px 45px rgba(16, 24, 32, 0.06);
}

.dl-problem-section .dl-bridge {
  border-left: 4px solid var(--bs-primary);
}

.dl-problem-section .dl-challenge-card {
  background: #fff;
}

.dl-benefit-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.55rem;
  line-height: 1.45;
}

.dl-benefit-list li:last-child {
  margin-bottom: 0;
}

.dl-benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--bs-primary);
}

@media (max-width: 575.98px) {
  .dl-benefits-grid {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
  }

  .dl-benefits-grid > [class*="col-"] > div {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
  }
}

.dl-concept-section {
  background: #fff;
}

.dl-step {
  width: 100%;
  text-align: left;
  border: 1px solid var(--dl-line);
  background: #fff;
  padding: 1.15rem 1.25rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.dl-step:hover,
.dl-step.active {
  border-color: var(--bs-primary);
  box-shadow: 0 14px 35px rgba(16, 24, 32, 0.08);
  transform: translateY(-2px);
}

.dl-step span {
  display: block;
  color: var(--bs-primary);
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.dl-step p {
  display: none;
  margin: 0.75rem 0 0;
  color: var(--dl-muted);
}

.dl-step.active p {
  display: block;
}

.dl-payload-step {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  column-gap: 1rem;
  align-items: center;
  text-align: left;
}

.dl-payload-step .dl-step-icon {
  display: flex;
  grid-column: 1;
  grid-row: 1 / 4;
  align-items: center;
  justify-content: center;
  color: var(--bs-primary);
  font-size: 2.25rem;
  line-height: 1;
  margin-bottom: 0;
}

.dl-payload-step span,
.dl-payload-step h3,
.dl-payload-step h4,
.dl-payload-step p {
  grid-column: 2;
}

.dl-payload-step h3 {
  color: var(--bs-primary);
  margin-bottom: 0.35rem !important;
}

.dl-payload-step span {
  color: var(--bs-body-color);
  font-weight: 400;
  margin-bottom: 0;
}

.dl-step.dl-payload-step > span {
  color: var(--bs-body-color);
}

.dl-payload-step .dl-payload-summary {
  color: var(--dl-ink) !important;
  font-weight: 700;
  line-height: 1.45;
}

.dl-payload-step p {
  max-width: 680px;
}

@media (max-width: 575.98px) {
  .dl-payload-step {
    grid-template-columns: 3.25rem minmax(0, 1fr);
    column-gap: 0.75rem;
  }

  .dl-payload-step .dl-step-icon {
    font-size: 1.8rem;
  }
}

.dl-card {
  height: 100%;
  border: 1px solid var(--dl-line);
  background: #fff;
}

.dl-application-card-media {
  padding-left: 0.35rem;
}

.dl-capability-list h3 {
  margin-bottom: 0.35rem;
}

.dl-capability-item {
  border-left: 2px solid rgba(11, 99, 206, 0.18);
  padding-left: 1rem;
}

.dl-capability-list p {
  color: var(--dl-muted);
}

.dl-tab-image {
  width: auto;
  max-width: min(100%, 420px);
  max-height: 430px;
  object-fit: contain;
}

@media (min-width: 992px) {
  .dl-application-media,
  .dl-about-media {
    position: relative;
  }

  .dl-application-media .dl-section-img,
  .dl-about-media .dl-section-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
}

.dl-page-hero {
  background: linear-gradient(180deg, #edf5ff 0%, #dbeafe 100%);
  padding-top: 6rem;
  padding-bottom: 5.5rem;
}

.dl-placeholder-panel {
  border: 1px solid var(--dl-line);
  background: #fff;
}

.dl-about-hero-img {
  display: block;
  width: min(100%, 320px);
  height: auto;
  margin-left: auto;
  margin-right: auto;
}

.dl-stack-hero-img {
  display: block;
  width: min(100%, 420px);
  height: auto;
  margin-left: auto;
  margin-right: auto;
}

.dl-stack-page-hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: clamp(5rem, 9vh, 7rem);
  padding-bottom: clamp(2.25rem, 6vh, 4.5rem);
}

.dl-stack-page-hero .container {
  width: 100%;
}

.dl-stack-page-hero .dl-stack-hero-img {
  width: clamp(240px, 38vh, 520px);
  max-width: min(100%, 520px);
}

.dl-video-placeholder {
  aspect-ratio: 16 / 9;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dl-line);
  background: #fff;
  text-align: center;
  padding: 2rem;
}

.dl-mode-tabs .nav-tabs {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.dl-mode-tabs .nav-tabs a {
  text-decoration: none;
}

.dl-scenario-tabs .nav-tabs a {
  text-decoration: none;
}

.dl-scenario-card {
  background: transparent;
}

.dl-scenario-meta {
  display: grid;
  gap: 1.25rem;
}

.dl-scenario-meta-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.dl-scenario-meta-item i {
  font-size: 1.35rem;
  line-height: 1;
  margin-top: 0.15rem;
}

.dl-scenario-meta-item h3 {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--bs-primary);
  margin-bottom: 0.35rem;
}

.dl-scenario-meta-item p,
.dl-scenario-meta-item ul {
  margin-bottom: 0;
}

.dl-scenario-meta-item ul {
  padding-left: 1.05rem;
}

.dl-status-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: 0.05em;
}

.dl-mode-img {
  max-height: 360px;
  object-fit: contain;
}

.dl-about-photo-panel {
  aspect-ratio: 1 / 1;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dl-line);
  background: #fff;
  overflow: hidden;
}

.dl-about-photo-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dl-about-photo-panel img[src*="ConcepthNoTether"] {
  object-fit: contain;
  padding: 2rem;
}

@media (min-width: 992px) {
  .dl-about-media-match {
    position: relative;
    min-height: 0;
  }

  .dl-about-image-row .dl-about-photo-panel {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    width: auto;
    min-height: 0;
    max-width: 100%;
    margin: auto;
  }
}

.dl-founder-card {
  border: 1px solid var(--dl-line);
  background: #fff;
  padding: 3rem 2rem;
  box-shadow: 0 16px 45px rgba(16, 24, 32, 0.06);
}

.dl-founder-headshot {
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--dl-panel);
  color: var(--bs-primary);
  font-size: 4rem;
  overflow: hidden;
}

.dl-founder-linkedin {
  position: absolute;
  left: 50%;
  bottom: -0.35rem;
  transform: translateX(-50%);
  box-shadow: 0 8px 18px rgba(16, 24, 32, 0.18);
}

.dl-founder-headshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dl-form-control {
  min-height: 52px;
}

@media (max-width: 991.98px) {
  .dl-hero-grid {
    display: flex;
    flex-direction: column;
    min-height: auto !important;
    gap: 2rem;
    padding-top: 5.5rem !important;
    padding-bottom: 4rem !important;
  }

  .dl-hero-panel {
    width: 100%;
  }

  .dl-hero-images {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
    align-items: center;
  }

  .dl-hero-split-img {
    max-height: none;
  }

  .dl-tab-image {
    max-width: 100%;
    padding-left: 18vw;
    padding-right: 18vw;
  }

  .dl-stack-hero-img {
    padding-left: 14vw;
    padding-right: 14vw;
  }

  .dl-stack-page-hero {
    min-height: auto;
    align-items: flex-start;
    padding-top: 5.25rem;
    padding-bottom: 3rem;
  }

  .dl-stack-page-hero .dl-stack-hero-img {
    width: clamp(210px, 64vw, 340px);
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  .dl-mode-tabs .tb-icon {
    display: none;
  }

  .site-logo {
    height: 44px;
    max-width: 160px;
  }
}

@media (orientation: landscape) and (min-width: 992px) {
  .dl-hero {
    height: 100vh;
    min-height: 100vh;
  }

  .dl-hero-grid {
    height: 100vh !important;
    min-height: 0 !important;
    padding-top: 5.5rem !important;
    padding-bottom: 2.5rem !important;
    grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
    row-gap: 0.75rem;
    overflow: hidden;
  }

  .dl-hero-split-img {
    max-height: calc((100vh - 13rem) / 2);
  }

  .dl-hero-a {
    align-self: center;
    padding-top: 1rem;
  }

  .dl-hero-c {
    align-self: center;
    padding-top: 1rem;
  }

  .dl-hero-c h2 {
    margin-bottom: 1.75rem !important;
  }

  .dl-hero-c p {
    margin-bottom: 1.75rem !important;
  }

}