.tutorial-page {
  background: #edf3f8;
}

.tutorial-page .site-header {
  position: fixed;
}

.tutorial-hero {
  overflow: hidden;
  padding: calc(var(--header-h) + 5.5rem) 0 5.5rem;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 20%, rgba(24, 183, 212, 0.23), transparent 25rem),
    radial-gradient(circle at 10% 90%, rgba(47, 214, 123, 0.13), transparent 30rem),
    linear-gradient(135deg, #06111f 0%, #0b2944 55%, #061a2f 100%);
}

.tutorial-hero-grid {
  display: grid;
  gap: 3rem;
  align-items: end;
}

.tutorial-hero-copy h1 {
  max-width: 60rem;
  font-size: clamp(2.7rem, 7vw, 5.8rem);
}

.tutorial-hero-copy > p:not(.eyebrow) {
  max-width: 46rem;
  color: #bed0df;
  font-size: 1.08rem;
}

.tutorial-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  align-items: center;
  margin-top: 2rem;
}

.tutorial-manual-link {
  color: #dce9f2;
  font-weight: 700;
  text-underline-offset: 0.25em;
}

.tutorial-overview {
  position: relative;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
}

.tutorial-overview::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0.4rem;
  height: 100%;
  content: "";
  background: #18b7d4;
}

.tutorial-overview > span {
  color: #8edbea;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tutorial-overview strong {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 5.5rem;
  line-height: 0.9;
}

.tutorial-overview p {
  margin: 0.5rem 0 1.4rem;
  color: #b9cad8;
}

.tutorial-overview ul {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tutorial-overview li {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  color: #e5eef5;
  font-size: 0.9rem;
}

.tutorial-overview li::before {
  width: 0.45rem;
  height: 0.45rem;
  content: "";
  background: var(--lcd);
  border-radius: 50%;
}

.tutorial-library {
  padding: 5.5rem 0 6.5rem;
}

.tutorial-heading {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2.2rem;
}

.tutorial-heading h2,
.tutorial-support h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.tutorial-heading > p {
  max-width: 38rem;
  color: #526579;
}

.tutorial-grid {
  display: grid;
  gap: 1.25rem;
}

.tutorial-card {
  overflow: hidden;
  min-width: 0;
  background: #fff;
  border: 1px solid rgba(10, 42, 74, 0.11);
  box-shadow: 0 15px 40px rgba(10, 42, 74, 0.08);
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease;
}

.tutorial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 52px rgba(10, 42, 74, 0.15);
}

.tutorial-open {
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  padding: 0;
  color: inherit;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.tutorial-open:focus-visible {
  outline: 3px solid #18b7d4;
  outline-offset: -3px;
}

.tutorial-image {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0b2034;
}

.tutorial-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 50%, rgba(3, 17, 30, 0.62));
}

.tutorial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--ease), filter 0.3s ease;
}

.tutorial-card:hover .tutorial-image img {
  transform: scale(1.035);
  filter: saturate(1.08);
}

.play-control {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 4.2rem;
  height: 4.2rem;
  place-items: center;
  color: #061a2f;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, background 0.25s ease;
}

.tutorial-card:hover .play-control {
  background: var(--lcd);
  transform: translate(-50%, -50%) scale(1.08);
}

.tutorial-duration {
  position: absolute;
  z-index: 2;
  right: 0.8rem;
  bottom: 0.75rem;
  padding: 0.3rem 0.55rem;
  color: #fff;
  background: rgba(4, 19, 33, 0.82);
  font-size: 0.75rem;
  font-weight: 700;
}

.tutorial-card-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.3rem 1.35rem 1.5rem;
}

.tutorial-card-copy small {
  margin-bottom: 0.55rem;
  color: #0b8da5;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tutorial-card-copy strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.13;
}

.tutorial-card-copy > span {
  margin-top: 0.65rem;
  color: #526579;
  font-size: 0.9rem;
  line-height: 1.55;
}

.tutorial-support {
  padding: 5rem 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 50%, rgba(24, 183, 212, 0.18), transparent 22rem),
    linear-gradient(135deg, #071321, #12304d);
}

.tutorial-support-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}

.tutorial-support p:not(.eyebrow) {
  max-width: 44rem;
  color: #b7c8d8;
}

.tutorial-dialog {
  width: min(74rem, calc(100% - 1.25rem));
  max-height: calc(100dvh - 1.25rem);
  padding: 0;
  overflow: auto;
  background: #edf3f8;
  border: 0;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.45);
}

.tutorial-dialog::backdrop {
  background: rgba(2, 12, 22, 0.86);
  backdrop-filter: blur(5px);
}

.dialog-shell {
  position: relative;
}

.dialog-close {
  position: absolute;
  z-index: 3;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  padding: 0 0 0.15rem;
  color: #fff;
  background: rgba(4, 19, 33, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
}

.dialog-video {
  aspect-ratio: 16 / 9;
  background: #020b13;
}

.dialog-video video {
  display: block;
  width: 100%;
  height: 100%;
}

.dialog-content {
  padding: 1.5rem;
}

.dialog-heading {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.dialog-heading h2 {
  color: var(--navy);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.dialog-heading a {
  width: fit-content;
  color: var(--navy);
  font-weight: 700;
  text-underline-offset: 0.25em;
}

#dialog-description {
  max-width: 54rem;
  color: #526579;
}

.tutorial-steps {
  display: grid;
  gap: 0.65rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: tutorial-step;
}

.tutorial-steps li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: start;
  color: #2f4961;
  counter-increment: tutorial-step;
}

.tutorial-steps li::before {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  content: counter(tutorial-step);
  color: #fff;
  background: #0b8da5;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
}

.tutorial-note {
  margin: 1.5rem 0 0;
  padding: 0.9rem 1rem;
  color: #425b70;
  background: #dfeaf2;
  border-left: 4px solid #18b7d4;
  font-size: 0.82rem;
}

body:has(.tutorial-dialog[open]) {
  overflow: hidden;
}

@media (min-width: 700px) {
  .tutorial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-heading,
  .tutorial-support-inner,
  .dialog-heading {
    flex-direction: row;
    justify-content: space-between;
    align-items: end;
  }

  .dialog-content {
    padding: 2rem 2.5rem 2.5rem;
  }

  .tutorial-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr);
  }

  .tutorial-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tutorial-card-featured {
    grid-column: span 2;
  }

  .tutorial-card-featured .tutorial-open {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
  }

  .tutorial-card-featured .tutorial-image {
    height: 100%;
    aspect-ratio: auto;
  }

  .tutorial-card-featured .tutorial-card-copy {
    justify-content: center;
    padding: 2rem;
  }

  .tutorial-card-featured .tutorial-card-copy strong {
    font-size: 1.8rem;
  }
}

@media (max-width: 520px) {
  .play-control {
    width: 3.5rem;
    height: 3.5rem;
  }

  .tutorial-dialog {
    width: 100%;
    max-height: 100dvh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tutorial-card,
  .tutorial-image img,
  .play-control {
    transition: none;
  }
}