.getting-started-page {
  background:
    radial-gradient(circle at 80% 8%, rgba(49, 173, 205, .08), transparent 27%),
    var(--night);
}

.getting-started-page .desktop-nav {
  gap: 24px;
}

.desktop-nav a.active,
.mobile-nav a.active {
  color: var(--white);
}

.desktop-nav a.active {
  position: relative;
}

.desktop-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(85, 228, 241, .75);
}

.start-hero {
  position: relative;
  min-height: 830px;
  padding: 150px 0 105px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 77% 45%, rgba(34, 158, 190, .11), transparent 36%),
    linear-gradient(180deg, #030914, #06111d 72%, #07121f);
}

.start-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(121, 188, 216, .026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 188, 216, .026) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 75%, transparent);
  pointer-events: none;
}

.start-glow {
  position: absolute;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .18;
  pointer-events: none;
}

.start-glow--cyan {
  right: -120px;
  top: 110px;
  background: radial-gradient(circle, rgba(85, 228, 241, .5), transparent 66%);
}

.start-glow--violet {
  left: 31%;
  bottom: -370px;
  background: radial-gradient(circle, rgba(140, 131, 255, .32), transparent 66%);
}

.start-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(480px, .78fr);
  gap: clamp(60px, 8vw, 120px);
  align-items: center;
}

.start-hero-copy {
  max-width: 650px;
}

.start-hero h1 {
  font-size: clamp(68px, 7vw, 104px);
}

.start-hero h1 em,
.library-heading h2 em,
.start-cta h2 em {
  color: var(--cyan);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.048em;
}

.start-lede {
  max-width: 610px;
  margin: 31px 0 14px;
  color: #c0cdd5;
  font-size: 18px;
  line-height: 1.72;
}

.start-support {
  max-width: 570px;
  margin: 0 0 32px;
  color: #8095a5;
  font-size: 13px;
  line-height: 1.72;
}

.learning-map {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(15, 35, 52, .86), rgba(5, 16, 28, .88));
  box-shadow: 0 36px 90px rgba(0, 0, 0, .35);
  backdrop-filter: blur(18px);
}

.learning-map::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(85, 228, 241, .72), transparent);
}

.learning-map-head {
  min-height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.learning-map-head span {
  color: #dce8ed;
  font-size: 12px;
  font-weight: 720;
}

.learning-map-head small {
  color: #7d93a2;
  font-size: 10px;
}

.learning-map ol {
  margin: 0;
  padding: 6px 24px 8px;
  list-style: none;
}

.learning-map li {
  position: relative;
  min-height: 132px;
  padding: 22px 54px 22px 31px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.learning-map li:last-child {
  border-bottom: 0;
}

.learning-map li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 3px;
  top: calc(50% + 9px);
  width: 1px;
  height: calc(50% + 57px);
  background: linear-gradient(var(--line-bright), rgba(112, 218, 242, .03));
}

.map-marker {
  position: absolute;
  left: 0;
  top: calc(50% - 5px);
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.map-marker--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(85, 228, 241, .08), 0 0 17px rgba(85, 228, 241, .75);
}

.map-marker--amber {
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(239, 184, 101, .08), 0 0 17px rgba(239, 184, 101, .65);
}

.map-marker--violet {
  background: var(--violet);
  box-shadow: 0 0 0 5px rgba(140, 131, 255, .08), 0 0 17px rgba(140, 131, 255, .65);
}

.learning-map li div {
  min-width: 0;
}

.learning-map li small,
.lesson-kicker {
  display: block;
  margin: 0 0 6px;
  color: #718899;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.learning-map li strong {
  display: block;
  color: #ecf4f7;
  font-size: 16px;
  line-height: 1.3;
}

.learning-map li p {
  max-width: 330px;
  margin: 8px 0 0;
  color: #8fa1ae;
  font-size: 12px;
  line-height: 1.55;
}

.learning-map time {
  position: absolute;
  right: 0;
  top: 25px;
  color: #718899;
  font-size: 10px;
}

.video-library {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 16% 20%, rgba(32, 151, 181, .07), transparent 25%),
    #07121f;
}

.library-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .62fr);
  gap: 90px;
  align-items: end;
}

.library-heading h2,
.start-cta h2 {
  margin: 0;
  font-size: clamp(50px, 5.2vw, 76px);
}

.library-heading > p {
  margin: 0 0 5px;
  color: #96a8b5;
  font-size: 14px;
  line-height: 1.75;
}

.lesson {
  position: relative;
  scroll-margin-top: 90px;
  border: 1px solid var(--line-bright);
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(16, 37, 55, .76), rgba(6, 18, 30, .88));
  box-shadow: 0 28px 70px rgba(0, 0, 0, .25);
}

.lesson--featured {
  margin-top: 70px;
  padding: 32px;
  display: grid;
  grid-template-columns: minmax(300px, .63fr) minmax(0, 1.37fr);
  gap: 42px;
  align-items: center;
}

.lesson-copy {
  min-width: 0;
}

.lesson-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 29px;
  font-size: 9px;
  font-weight: 780;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.lesson-label span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 13px currentColor;
}

.lesson-label--cyan { color: var(--cyan); }
.lesson-label--amber { color: var(--amber); }
.lesson-label--violet { color: #a59eff; }

.lesson h3 {
  margin: 0;
  color: #f3f8fa;
  font-size: clamp(30px, 3vw, 43px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.lesson-copy > p:not(.lesson-kicker) {
  margin: 20px 0 0;
  color: #9fb0ba;
  font-size: 14px;
  line-height: 1.72;
}

.lesson-copy ul {
  margin: 25px 0 0;
  padding: 22px 0 0;
  list-style: none;
  display: grid;
  gap: 11px;
  border-top: 1px solid var(--line);
}

.lesson-copy li {
  color: #b2c0c8;
  font-size: 12px;
  line-height: 1.5;
}

.lesson-copy li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 10px;
  display: inline-block;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(85, 228, 241, .7);
}

.watch-link {
  min-height: 44px;
  width: max-content;
  margin-top: 23px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #dffcff;
  font-size: 12px;
  font-weight: 720;
}

.watch-link span {
  color: var(--cyan);
  transition: transform .2s ease;
}

.watch-link:hover span {
  transform: translate(2px, -2px);
}

.video-shell {
  position: relative;
  min-width: 0;
  padding: 9px;
  border: 1px solid rgba(var(--shell-accent), .25);
  border-radius: 17px;
  background: rgba(2, 10, 18, .9);
  box-shadow: 0 24px 65px rgba(0, 0, 0, .4), 0 0 50px rgba(var(--shell-accent), .045);
}

.video-shell--cyan { --shell-accent: 85, 228, 241; }
.video-shell--amber { --shell-accent: 239, 184, 101; }
.video-shell--violet { --shell-accent: 140, 131, 255; }

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 11px;
  background: #02070d;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-meta {
  min-height: 38px;
  padding: 8px 5px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #728898;
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.video-meta time {
  color: rgb(var(--shell-accent));
}

.lesson-stack {
  margin-top: 24px;
  display: grid;
  gap: 24px;
}

.lesson--secondary {
  margin-top: 0;
}

.start-cta {
  overflow: hidden;
  text-align: center;
  background: #030914;
}

.start-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(131, 183, 214, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(131, 183, 214, .025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at center, #000, transparent 65%);
}

.start-cta-glow {
  position: absolute;
  width: 800px;
  height: 520px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(33, 177, 207, .16), transparent 67%);
  filter: blur(35px);
}

.start-cta-inner {
  position: relative;
}

.cta-mark {
  width: 62px;
  height: 70px;
  margin: 0 auto 27px;
  display: block;
  filter: drop-shadow(0 0 22px rgba(85, 228, 241, .3));
}

.cta-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.start-cta .eyebrow {
  justify-content: center;
}

.start-cta-inner > p:not(.eyebrow) {
  max-width: 570px;
  margin: 25px auto 32px;
  color: #91a4b1;
  font-size: 14px;
}

.start-cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.getting-started-page .footer-top > div a {
  transition: color .2s ease;
}

.getting-started-page .footer-top > div a:hover {
  color: var(--white);
}

@media (max-width: 1120px) {
  .start-hero-grid {
    grid-template-columns: minmax(0, .9fr) minmax(430px, .8fr);
    gap: 50px;
  }

  .lesson--featured {
    grid-template-columns: minmax(280px, .7fr) minmax(0, 1.3fr);
  }
}

@media (max-width: 900px) {
  .start-hero {
    min-height: 0;
    padding: 145px 0 90px;
  }

  .start-hero-grid,
  .library-heading,
  .lesson--featured {
    grid-template-columns: 1fr;
  }

  .start-hero-grid {
    gap: 56px;
  }

  .start-hero-copy {
    max-width: 720px;
  }

  .learning-map {
    max-width: 720px;
  }

  .library-heading {
    gap: 28px;
  }

  .library-heading > p {
    max-width: 690px;
  }

  .lesson--featured {
    gap: 34px;
  }

  .lesson--featured .video-shell {
    grid-row: 1;
  }

}

@media (max-width: 720px) {
  .start-hero {
    padding: 126px 0 76px;
  }

  .start-hero h1 {
    font-size: clamp(55px, 18vw, 76px);
  }

  .start-lede {
    margin-top: 26px;
    font-size: 16px;
  }

  .start-support {
    font-size: 13px;
  }

  .learning-map-head {
    padding-inline: 18px;
  }

  .learning-map ol {
    padding-inline: 18px;
  }

  .learning-map li {
    padding: 20px 45px 20px 27px;
  }

  .learning-map li p {
    font-size: 13px;
  }

  .library-heading h2,
  .start-cta h2 {
    font-size: clamp(38px, 11vw, 48px);
  }

  .lesson--featured {
    padding: 14px;
    border-radius: 18px;
  }

  .lesson--featured {
    margin-top: 46px;
  }

  .lesson--secondary {
    margin-top: 0;
  }

  .lesson--featured .lesson-copy {
    padding: 10px 5px 8px;
  }

  .lesson-stack {
    gap: 18px;
    margin-top: 18px;
  }

  .lesson h3 {
    font-size: 29px;
  }

  .lesson-copy > p:not(.lesson-kicker) {
    font-size: 14px;
  }

  .video-shell {
    padding: 6px;
    border-radius: 14px;
  }

  .video-frame {
    border-radius: 9px;
  }

  .start-cta-actions {
    flex-direction: column;
  }

  .getting-started-page .footer-top > div {
    display: grid;
    gap: 9px;
  }
}

@media (max-width: 420px) {
  .learning-map-head {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
  }

  .learning-map li {
    padding-right: 0;
  }

  .learning-map time {
    position: static;
    margin-left: auto;
    padding-left: 12px;
    align-self: flex-start;
    transform: translateY(2px);
  }

  .video-meta {
    letter-spacing: .04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .start-glow {
    filter: blur(70px);
  }
}
