:root {
  --ink: #080b0c;
  --ink-soft: #223133;
  --muted: #657476;
  --paper: #ffffff;
  --mist: #f6faf9;
  --mist-deep: #e8f5f4;
  --blue: #2daab8;
  --blue-ink: #0d6370;
  --green: #59b762;
  --green-deep: #2f8f4d;
  --forest: #102f2d;
  --forest-soft: #174740;
  --line: rgba(8, 11, 12, 0.12);
  --line-soft: rgba(45, 170, 184, 0.16);
  --brand-gradient: linear-gradient(135deg, var(--blue-ink), var(--blue) 48%, var(--green-deep));
  --green-gradient: linear-gradient(135deg, #156f64 0%, #198486 44%, #2f8f4d 100%);
  --shadow: 0 24px 70px rgba(8, 11, 12, 0.11);
  --shadow-small: 0 14px 34px rgba(8, 11, 12, 0.08);
  --max: 1200px;
  --gutter: 28px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
  text-rendering: geometricPrecision;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-140%);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 760;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.clr-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0);
  padding: 10px 0;
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease, padding 220ms ease;
}

.clr-header.is-scrolled,
.clr-header.is-open {
  border-bottom-color: rgba(8, 11, 12, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 28px rgba(45, 170, 184, 0.08);
  padding: 6px 0;
  backdrop-filter: blur(18px);
}

.clr-header-inner {
  width: min(100%, calc(var(--max) + (var(--gutter) * 2)));
  min-height: 82px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.clr-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.clr-brand img {
  width: 108px;
  height: 68px;
  object-fit: contain;
  object-position: left center;
}

.clr-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(10, 13, 14, 0.72);
  font-size: 1rem;
  font-weight: 660;
  line-height: 1.15;
}

.clr-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
}

.clr-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.clr-nav a:hover::after,
.clr-nav a:focus-visible::after {
  transform: scaleX(1);
}

.clr-nav .clr-nav-cta {
  border-radius: 999px;
  background: var(--brand-gradient);
  color: #ffffff !important;
  padding: 12px 20px;
  font-weight: 780;
  box-shadow: 0 12px 24px rgba(45, 170, 184, 0.22);
  -webkit-text-fill-color: #ffffff;
}

.clr-nav .clr-nav-cta::after {
  display: none;
}

.clr-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.clr-nav-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  transition: transform 180ms ease;
}

.clr-nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.clr-nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

[id] {
  scroll-margin-top: 108px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 870px;
  margin-bottom: 28px;
  color: #252b2c;
  font-size: clamp(3.5rem, 7.3vw, 7.4rem);
  font-weight: 830;
}

h2 {
  margin-bottom: 24px;
  color: #252b2c;
  font-size: clamp(2.25rem, 4.8vw, 4.75rem);
  font-weight: 805;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  font-weight: 780;
}

p {
  color: var(--muted);
  font-size: 1.06rem;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 20px;
  align-items: center;
  gap: 10px;
  color: var(--blue-ink);
  font-size: 0.76rem;
  font-weight: 830;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 8px;
  border-radius: 999px;
  background: var(--brand-gradient);
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--brand-gradient);
  color: #ffffff !important;
  padding: 14px 24px;
  font-size: 0.96rem;
  font-weight: 790;
  line-height: 1.2;
  text-align: center;
  box-shadow: 0 15px 35px rgba(45, 170, 184, 0.23);
  transition: transform 180ms ease, box-shadow 180ms ease;
  -webkit-text-fill-color: #ffffff;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(45, 170, 184, 0.28);
}

.button-light {
  background: #ffffff;
  color: var(--blue-ink) !important;
  -webkit-text-fill-color: var(--blue-ink);
}

.button:focus-visible,
.text-link:focus-visible,
.clr-nav-toggle:focus-visible {
  outline: 3px solid rgba(45, 170, 184, 0.35);
  outline-offset: 4px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(45, 170, 184, 0.55);
  padding-bottom: 4px;
  color: var(--blue-ink);
  font-size: 0.96rem;
  font-weight: 760;
  line-height: 1.2;
}

.arrow-icon {
  position: relative;
  display: inline-block;
  width: 24px;
  height: 12px;
  flex: 0 0 auto;
}

.arrow-icon::before,
.arrow-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  display: block;
}

.arrow-icon::before {
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translateY(-50%);
}

.arrow-icon::after {
  right: 1px;
  width: 8px;
  height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.hero-section,
.leader-note,
.resource-path,
.concepts-section,
.video-section,
.framework-section,
.onramp-section,
.final-section {
  position: relative;
  overflow: hidden;
  padding: 112px max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
}

.hero-section {
  min-height: 840px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.45fr);
  gap: 58px;
  align-items: center;
  padding-top: 154px;
  background:
    linear-gradient(90deg, rgba(246, 250, 249, 0.9) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(246, 250, 249, 0.9) 0 1px, transparent 1px 100%),
    radial-gradient(circle at 86% 16%, rgba(89, 183, 98, 0.16), transparent 30%),
    radial-gradient(circle at 12% 82%, rgba(45, 170, 184, 0.1), transparent 32%),
    #ffffff;
  background-size: auto, 78px 78px, auto, auto, auto;
}

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

.hero-lede {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 1.32rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
}

.hero-board {
  position: relative;
  min-height: 620px;
  border-left: 1px solid var(--line);
  padding-left: 34px;
}

.category-orbit {
  position: relative;
  width: min(100%, 430px);
  margin-left: auto;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.category-orbit::before,
.category-orbit::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.category-orbit::before {
  inset: 6%;
  border: 1px solid rgba(89, 183, 98, 0.2);
}

.category-orbit::after {
  inset: 18%;
  border: 1px solid rgba(45, 170, 184, 0.18);
}

.category-orbit img {
  position: relative;
  z-index: 1;
  width: 82%;
  filter: drop-shadow(0 24px 50px rgba(89, 183, 98, 0.2));
}

.course-strip {
  width: min(100%, 440px);
  margin: -26px 0 0 auto;
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}

.course-strip span {
  color: var(--blue-ink);
  font-size: 0.74rem;
  font-weight: 830;
  text-transform: uppercase;
}

.course-strip h2 {
  margin: 12px 0 14px;
  font-size: 2.05rem;
}

.course-strip p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

.framework-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(100%, 440px);
  margin: 34px 0 0 auto;
  background: var(--line);
  border: 1px solid var(--line);
}

.framework-strip span {
  background: var(--paper);
  color: var(--ink-soft);
  padding: 16px 10px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 830;
  text-transform: uppercase;
}

.proof-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.proof-row div {
  background: rgba(255, 255, 255, 0.9);
  padding: 28px;
}

.proof-row dt {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 830;
}

.proof-row dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.leader-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  background: var(--forest);
  color: var(--paper);
}

.leader-note::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 10%, rgba(89, 183, 98, 0.16), transparent 34%),
    radial-gradient(circle at 10% 90%, rgba(45, 170, 184, 0.14), transparent 34%);
}

.note-index,
.note-copy {
  position: relative;
  z-index: 1;
}

.note-index {
  display: grid;
  gap: 18px;
}

.note-index span {
  display: block;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  color: rgba(255, 255, 255, 0.36);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 820;
  line-height: 0.9;
}

.leader-note h2 {
  max-width: 900px;
  color: var(--paper);
}

.leader-note p:not(.eyebrow) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.2rem;
}

.resource-path {
  background: var(--paper);
}

.path-heading,
.split-heading,
.framework-heading {
  max-width: 900px;
  margin-bottom: 58px;
}

.path-heading p:not(.eyebrow),
.framework-heading p:not(.eyebrow) {
  max-width: 720px;
  font-size: 1.16rem;
}

.training-feature {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) minmax(260px, 0.48fr);
  gap: 42px;
  align-items: start;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 44px 0;
}

.feature-number {
  color: var(--blue-ink);
  font-size: 3.4rem;
  font-weight: 820;
  line-height: 1;
}

.feature-copy span,
.concept-card span,
.video-list article span,
.framework-card span {
  color: var(--blue-ink);
  font-size: 0.74rem;
  font-weight: 830;
  text-transform: uppercase;
}

.feature-copy h3 {
  max-width: 760px;
  margin: 20px 0 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.feature-copy p {
  max-width: 690px;
  font-size: 1.08rem;
}

.feature-points {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-points li {
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  padding: 0 0 12px;
  font-size: 0.96rem;
  font-weight: 690;
}

.concepts-section {
  background:
    radial-gradient(circle at 12% 16%, rgba(89, 183, 98, 0.11), transparent 30%),
    linear-gradient(180deg, var(--mist) 0%, #ffffff 100%);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 42px;
  max-width: none;
  margin-bottom: 34px;
}

.split-heading .eyebrow {
  grid-column: 1 / -1;
}

.concept-intro {
  max-width: 620px;
  margin-left: auto;
  margin-bottom: 52px;
}

.concept-intro p {
  font-size: 1.12rem;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.concept-card {
  min-height: 300px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  padding: 30px;
  transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.concept-card h3 {
  margin: 86px 0 14px;
  color: var(--ink);
  font-size: 1.5rem;
}

.concept-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.concept-card:hover {
  background: #ffffff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-small);
}

.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 64px;
  align-items: start;
  background: var(--paper);
}

.video-copy {
  position: sticky;
  top: 120px;
}

.video-copy p:not(.eyebrow) {
  max-width: 520px;
  font-size: 1.12rem;
}

.video-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.video-list article {
  background: var(--mist);
  padding: 34px;
}

.video-list h3 {
  margin: 48px 0 12px;
  font-size: 2rem;
}

.video-list p {
  max-width: 560px;
  margin-bottom: 0;
}

.framework-section {
  background:
    linear-gradient(90deg, rgba(246, 250, 249, 0.95) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(246, 250, 249, 0.95) 0 1px, transparent 1px 100%),
    #ffffff;
  background-size: 80px 80px;
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.framework-card {
  border: 1px solid rgba(45, 170, 184, 0.16);
  background: rgba(255, 255, 255, 0.88);
  padding: 30px;
  box-shadow: var(--shadow-small);
}

.framework-card h3 {
  margin: 82px 0 14px;
  color: var(--ink);
  font-size: 1.42rem;
}

.framework-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.onramp-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: center;
  background: var(--forest);
  color: var(--paper);
}

.onramp-section h2 {
  color: var(--paper);
}

.onramp-copy p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.12rem;
}

.onramp-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.onramp-steps article {
  min-height: 180px;
  background: rgba(255, 255, 255, 0.06);
  padding: 28px;
}

.onramp-steps span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 42px;
  place-items: center;
  border-radius: 999px;
  background: #ffffff;
  color: var(--blue-ink);
  font-size: 0.86rem;
  font-weight: 830;
}

.onramp-steps h3 {
  color: var(--paper);
  font-size: 1.35rem;
}

.final-section {
  background:
    radial-gradient(circle at 84% 15%, rgba(255, 255, 255, 0.22), transparent 25%),
    radial-gradient(circle at 8% 88%, rgba(45, 170, 184, 0.22), transparent 30%),
    var(--green-gradient);
  color: var(--paper);
  text-align: center;
}

.final-panel {
  max-width: 820px;
  margin: 0 auto;
}

.final-panel img {
  width: 136px;
  margin: 0 auto 24px;
}

.final-panel .eyebrow {
  color: rgba(255, 255, 255, 0.86);
}

.final-panel .eyebrow::before {
  background: rgba(255, 255, 255, 0.7);
}

.final-panel h2 {
  color: var(--paper);
}

.final-panel p:not(.eyebrow) {
  max-width: 620px;
  margin-inline: auto;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.18rem;
}

.final-panel .button {
  margin-top: 16px;
}

.mobile-cta {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero-section,
  .leader-note,
  .video-section,
  .onramp-section {
    grid-template-columns: 1fr;
  }

  .hero-board {
    min-height: 0;
    max-width: 620px;
    border-left: 0;
    padding-left: 0;
  }

  .category-orbit,
  .course-strip,
  .framework-strip {
    margin-left: 0;
  }

  .training-feature {
    grid-template-columns: 90px 1fr;
  }

  .feature-points {
    grid-column: 2;
  }

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

  .video-copy {
    position: static;
  }
}

@media (max-width: 900px) {
  :root {
    --gutter: 22px;
  }

  .clr-header-inner {
    min-height: 76px;
  }

  .clr-nav-toggle {
    display: inline-flex;
  }

  .clr-nav {
    position: fixed;
    inset: 88px 14px auto;
    display: grid;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.96);
    padding: 14px;
    box-shadow: var(--shadow-small);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
    backdrop-filter: blur(18px);
  }

  .clr-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .clr-nav a {
    padding: 13px 12px;
  }

  .clr-nav .clr-nav-cta {
    justify-content: center;
  }

  .hero-section,
  .leader-note,
  .resource-path,
  .concepts-section,
  .video-section,
  .framework-section,
  .onramp-section,
  .final-section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .hero-section {
    min-height: 0;
    padding-top: 120px;
  }

  .proof-row {
    grid-template-columns: 1fr;
  }

  .note-index {
    display: none;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .concept-intro {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 76px;
  }

  .clr-brand img {
    width: 96px;
    height: 58px;
  }

  .hero-section,
  .leader-note,
  .resource-path,
  .concepts-section,
  .video-section,
  .framework-section,
  .onramp-section,
  .final-section {
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .hero-section {
    padding-top: 104px;
  }

  .hero-lede,
  .leader-note p:not(.eyebrow),
  .path-heading p:not(.eyebrow),
  .framework-heading p:not(.eyebrow),
  .onramp-copy p:not(.eyebrow),
  .final-panel p:not(.eyebrow) {
    font-size: 1.05rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .text-link {
    width: auto;
  }

  .framework-strip,
  .concept-grid,
  .framework-grid,
  .onramp-steps {
    grid-template-columns: 1fr;
  }

  .training-feature {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature-points {
    grid-column: auto;
  }

  .concept-card,
  .framework-card {
    min-height: 0;
    padding: 28px;
  }

  .concept-card h3,
  .framework-card h3,
  .video-list h3 {
    margin-top: 34px;
  }

  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    display: block;
    padding: 12px 18px 14px;
    border-top: 1px solid rgba(10, 13, 14, 0.1);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 -14px 34px rgba(10, 13, 14, 0.08);
    transform: translateY(110%);
    transition: transform 180ms ease;
    backdrop-filter: blur(18px);
  }

  .mobile-cta.is-visible {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}