.courses-page,
.course-detail-page {
  --course-teal: #6ee7cf;
  --course-blue: #7da6ff;
}

.course-hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 166px 0 94px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    #090d19;
  background-size: 72px 72px;
}

.course-hero-glow,
.article-hero-glow {
  position: absolute;
  inset: -300px -15% auto;
  height: 900px;
  background:
    radial-gradient(circle at 22% 44%, rgba(110, 231, 207, 0.19), transparent 34%),
    radial-gradient(circle at 62% 38%, rgba(124, 92, 255, 0.3), transparent 38%),
    radial-gradient(circle at 88% 55%, rgba(247, 178, 59, 0.13), transparent 30%);
  pointer-events: none;
}

.course-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.84fr);
  align-items: center;
  gap: clamp(50px, 8vw, 108px);
}

.course-hero-copy h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.16;
  letter-spacing: -0.058em;
}

.course-hero-copy h1 span {
  background: linear-gradient(105deg, var(--course-teal), var(--accent-soft) 55%, #f6c66e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.course-hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.course-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.course-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 12px;
  font-weight: 800;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.course-button:hover,
.course-button:focus-visible {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}

.course-button-primary {
  color: #07110f;
  background: linear-gradient(135deg, #fff, var(--course-teal));
  box-shadow: 0 14px 34px rgba(110, 231, 207, 0.17);
}

.course-button-primary span {
  margin-left: 20px;
}

.course-button-quiet {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
}

.course-hero-stats {
  display: flex;
  gap: 34px;
  margin: 0;
}

.course-hero-stats div {
  padding-right: 34px;
  border-right: 1px solid var(--line);
}

.course-hero-stats div:last-child {
  padding-right: 0;
  border: 0;
}

.course-hero-stats dt {
  margin-bottom: 5px;
  font-size: 24px;
  font-weight: 850;
  letter-spacing: -0.035em;
}

.course-hero-stats dd {
  margin: 0;
  color: var(--muted-soft);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.course-hero-visual {
  position: relative;
  min-height: 490px;
}

.hero-video-card {
  position: absolute;
  overflow: hidden;
  width: 220px;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 25px;
  background: #060a12;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
}

.hero-video-card video {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-video-card figcaption {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 54px;
  padding: 12px 14px;
  font-size: 11px;
  font-weight: 750;
}

.hero-video-card figcaption span {
  color: var(--course-teal);
  font-size: 8px;
}

.hero-video-card-1 {
  z-index: 3;
  top: 80px;
  left: 0;
  transform: rotate(-6deg);
}

.hero-video-card-2 {
  z-index: 2;
  top: 0;
  left: 185px;
  transform: rotate(5deg);
}

.hero-video-card-3 {
  z-index: 1;
  top: 185px;
  left: 215px;
  transform: rotate(10deg);
}

.course-editorial {
  padding: 110px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
}

.editorial-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(50px, 9vw, 120px);
}

.editorial-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 51px);
  line-height: 1.35;
  letter-spacing: -0.045em;
}

.editorial-copy {
  border-left: 1px solid var(--line);
  padding-left: clamp(34px, 5vw, 68px);
}

.editorial-copy p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2.15;
}

.editorial-copy p:last-child {
  margin-bottom: 0;
}

.featured-story {
  overflow: hidden;
  padding: 128px 0;
  background:
    radial-gradient(circle at 20% 45%, rgba(110, 231, 207, 0.1), transparent 30%),
    #090d19;
}

.featured-story-grid {
  display: grid;
  grid-template-columns: minmax(400px, 0.9fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(60px, 10vw, 130px);
}

.featured-story-media {
  position: relative;
  min-height: 540px;
}

.featured-video {
  position: absolute;
  overflow: hidden;
  width: min(70%, 300px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #060911;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.42);
}

.featured-video video {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.featured-video-1 {
  top: 0;
  left: 0;
}

.featured-video-2 {
  right: 0;
  bottom: 0;
}

.featured-time {
  position: absolute;
  z-index: 3;
  top: 47%;
  left: 46%;
  display: grid;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #07110f;
  background: var(--course-teal);
  box-shadow: 0 15px 36px rgba(110, 231, 207, 0.2);
  font-size: 18px;
  font-weight: 850;
  place-items: center;
  transform: translate(-50%, -50%);
}

.featured-story-copy h2 {
  margin-bottom: 25px;
  font-size: clamp(36px, 4.4vw, 57px);
  line-height: 1.35;
  letter-spacing: -0.05em;
}

.featured-story-copy > p:not(.eyebrow) {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2.05;
}

.featured-story-copy ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin: 0 0 31px;
  padding: 0;
  list-style: none;
}

.featured-story-copy li {
  position: relative;
  padding-left: 23px;
  color: #d9deeb;
  font-size: 13px;
}

.featured-story-copy li::before {
  position: absolute;
  top: 5px;
  left: 1px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--course-teal);
  border-radius: 50%;
  content: "";
}

.featured-story-copy > a {
  display: inline-flex;
  gap: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(110, 231, 207, 0.42);
  font-size: 12px;
  font-weight: 800;
}

.featured-story-copy > a span {
  color: var(--course-teal);
}

.course-library {
  padding: 112px 0 130px;
  background: var(--surface-raised);
}

.course-filter {
  display: grid;
  grid-template-columns: minmax(270px, 2fr) repeat(3, minmax(130px, 1fr)) auto;
  align-items: end;
  gap: 14px;
  margin-bottom: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 27, 50, 0.86);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.18);
}

.course-filter input,
.course-filter select {
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 13px;
  outline: none;
  background-color: #0d1324;
  font-size: 13px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-filter input {
  padding: 0 15px 0 48px;
}

.course-filter input::placeholder {
  color: #657087;
}

.course-filter select {
  padding: 0 36px 0 14px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 23px, calc(100% - 13px) 23px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  appearance: none;
}

.course-filter input:focus,
.course-filter select:focus {
  border-color: var(--course-teal);
  box-shadow: 0 0 0 3px rgba(110, 231, 207, 0.12);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.course-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  content-visibility: auto;
  contain-intrinsic-size: 480px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.course-card:hover,
.course-card:focus-within {
  border-color: rgba(110, 231, 207, 0.38);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.29);
  transform: translateY(-5px);
}

.course-card-link {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.course-card-link:focus-visible {
  outline: 2px solid var(--course-teal);
  outline-offset: -3px;
}

.course-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(circle at 50% 42%, rgba(124, 92, 255, 0.24), transparent 50%),
    #070b14;
}

.course-card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transition: transform 0.5s ease, opacity 0.25s ease;
}

.course-card:hover video,
.course-card:focus-within video {
  transform: scale(1.04);
}

.course-card-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.08), rgba(7, 11, 20, 0.68));
  pointer-events: none;
}

.course-card-number,
.course-card-duration {
  position: absolute;
  z-index: 2;
  top: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 99px;
  background: rgba(8, 12, 22, 0.68);
  font-size: 8px;
  font-weight: 850;
  letter-spacing: 0.08em;
  backdrop-filter: blur(7px);
}

.course-card-number {
  left: 14px;
  color: var(--course-teal);
}

.course-card-duration {
  right: 14px;
  color: #fff;
  font-size: 10px;
}

.course-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.course-card-kicker {
  margin-bottom: 8px;
  color: var(--course-teal);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.course-card h2 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.course-card-description {
  display: -webkit-box;
  min-height: 47px;
  margin-bottom: 18px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.course-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 21px;
}

.course-card-meta span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 650;
}

.course-card-read {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: #dfe5f1;
  font-size: 11px;
  font-weight: 750;
}

.course-card-read b {
  color: var(--course-teal);
}

.choice-guide {
  padding: 112px 0 126px;
  background: #090d19;
}

.choice-heading {
  margin-bottom: 43px;
}

.choice-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 50px);
  letter-spacing: -0.045em;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.choice-grid article {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(20, 27, 50, 0.9), rgba(10, 14, 26, 0.75));
}

.choice-grid article > span {
  display: block;
  margin-bottom: 38px;
  color: var(--course-teal);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.choice-grid h3 {
  margin: 0 0 13px;
  font-size: 19px;
}

.choice-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
}

/* Course article */
.course-detail-page main {
  overflow: hidden;
}

.article-hero {
  position: relative;
  overflow: hidden;
  padding: 122px 0 104px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    #090d19;
  background-size: 72px 72px;
}

.article-hero .container {
  position: relative;
  z-index: 1;
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.82fr);
  align-items: center;
  gap: clamp(50px, 8vw, 100px);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 23px;
}

.article-tags > a {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.article-tags > a:hover,
.article-tags > a:focus-visible {
  border-color: var(--course-teal);
  color: var(--ink);
}

.article-type {
  margin-bottom: 14px;
  color: var(--course-teal);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.article-hero-copy h1 {
  margin-bottom: 22px;
  font-size: clamp(44px, 5.5vw, 70px);
  line-height: 1.22;
  letter-spacing: -0.058em;
}

.article-lead {
  max-width: 680px;
  margin-bottom: 25px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 34px;
  color: var(--muted-soft);
  font-size: 10px;
}

.article-byline span:first-child {
  color: #c8cfde;
  font-weight: 750;
}

.article-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 19px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.article-facts div {
  padding: 0 15px;
  border-right: 1px solid var(--line);
}

.article-facts div:first-child {
  padding-left: 0;
}

.article-facts div:last-child {
  padding-right: 0;
  border: 0;
}

.article-facts dt {
  margin-bottom: 6px;
  color: var(--muted-soft);
  font-size: 8px;
  font-weight: 700;
}

.article-facts dd {
  margin: 0;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
}

.article-hero-videos {
  position: relative;
  min-height: 500px;
}

.article-video {
  position: absolute;
  overflow: hidden;
  width: 215px;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background: #050911;
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.44);
}

.article-video video {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.article-video figcaption {
  padding: 13px 14px;
  font-size: 10px;
  font-weight: 750;
  text-align: center;
}

.article-video-1 {
  z-index: 3;
  top: 74px;
  left: 0;
  transform: rotate(-5deg);
}

.article-video-2 {
  z-index: 2;
  top: 0;
  left: 185px;
  transform: rotate(5deg);
}

.article-video-3 {
  z-index: 1;
  top: 188px;
  left: 218px;
  transform: rotate(9deg);
}

.article-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 285px;
  align-items: start;
  gap: clamp(45px, 7vw, 86px);
  padding-top: 82px;
  padding-bottom: 120px;
}

.article-main {
  min-width: 0;
}

.article-toc {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  margin-bottom: 84px;
  padding: 27px 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-raised);
}

.article-toc > p {
  margin: 2px 0 0;
  color: var(--course-teal);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.article-toc ol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
  margin: 0;
  padding: 0;
  counter-reset: toc;
  list-style: none;
}

.article-toc li {
  counter-increment: toc;
  color: var(--muted);
  font-size: 11px;
}

.article-toc li::before {
  margin-right: 8px;
  color: var(--muted-soft);
  content: "0" counter(toc);
  font-size: 8px;
}

.article-toc a:hover,
.article-toc a:focus-visible {
  color: var(--course-teal);
}

.article-section {
  margin-bottom: 104px;
  scroll-margin-top: 110px;
}

.article-section > h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.42;
  letter-spacing: -0.045em;
}

.prose-section > p:not(.section-kicker),
.section-lead {
  margin-bottom: 21px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2.15;
}

.article-intro::first-letter {
  color: var(--course-teal);
  font-size: 36px;
  font-weight: 850;
  line-height: 1;
}

.benefit-box {
  margin: 38px 0 45px;
  padding: 31px 34px;
  border: 1px solid rgba(110, 231, 207, 0.22);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(110, 231, 207, 0.08), var(--surface-raised));
}

.benefit-box h3,
.prose-section > h3 {
  margin: 0 0 18px;
  font-size: 20px;
}

.benefit-box ul {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-box li {
  position: relative;
  padding-left: 25px;
  color: #cbd3e3;
  font-size: 12px;
  line-height: 1.8;
}

.benefit-box li::before {
  position: absolute;
  top: 8px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--course-teal);
  box-shadow: 0 0 9px rgba(110, 231, 207, 0.5);
  content: "";
}

.recommendation-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.recommendation-tags span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: #bec6d7;
  background: rgba(255, 255, 255, 0.025);
  font-size: 10px;
  font-weight: 700;
}

.phase-list {
  display: flex;
  flex-direction: column;
  margin-top: 35px;
  border-top: 1px solid var(--line);
}

.phase-list article {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 29px 5px;
  border-bottom: 1px solid var(--line);
}

.phase-list article > span {
  color: var(--course-teal);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.phase-list h3 {
  margin: -4px 0 9px;
  font-size: 18px;
}

.phase-list p {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.phase-list small {
  color: var(--muted-soft);
  font-size: 9px;
  line-height: 1.7;
}

.course-step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.course-step {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-raised);
}

.course-step-video {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(circle at 50% 40%, rgba(124, 92, 255, 0.22), transparent 52%),
    #060a12;
}

.course-step-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.course-step-video > span {
  position: absolute;
  top: 12px;
  left: 12px;
  display: grid;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 50%;
  background: rgba(7, 11, 20, 0.72);
  font-size: 8px;
  font-weight: 850;
  place-items: center;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.course-step-copy {
  padding: 20px;
}

.course-step-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 11px;
  margin-bottom: 10px;
  color: var(--muted-soft);
  font-size: 8px;
  font-weight: 700;
}

.course-step-meta span:first-child {
  color: var(--course-teal);
}

.course-step h3 {
  margin: 0 0 9px;
  font-size: 17px;
  line-height: 1.5;
}

.course-step-copy > p {
  min-height: 61px;
  margin-bottom: 15px;
  color: var(--muted);
  font-size: 10.5px;
  line-height: 1.9;
}

.course-step-copy > a {
  color: #cdd5e5;
  font-size: 9.5px;
  font-weight: 750;
}

.course-step-copy > a span {
  margin-left: 8px;
  color: var(--course-teal);
}

.tip-articles {
  display: flex;
  flex-direction: column;
  margin-top: 35px;
}

.tip-articles article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 17px;
  padding: 25px 0;
  border-top: 1px solid var(--line);
}

.tip-articles article:last-child {
  border-bottom: 1px solid var(--line);
}

.tip-articles article > span {
  color: var(--course-teal);
  font-size: 9px;
  font-weight: 850;
}

.tip-articles h3 {
  margin: -4px 0 9px;
  font-size: 17px;
}

.tip-articles p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
}

.equipment-box {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 35px;
  margin-top: 45px;
  padding: 33px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--surface-card), var(--surface-raised));
}

.equipment-box h3 {
  margin: 0;
  font-size: 20px;
}

.equipment-box dl {
  margin: 0;
}

.equipment-box dl > div {
  display: grid;
  grid-template-columns: 95px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.equipment-box dl > div:last-child {
  border: 0;
}

.equipment-box dt {
  color: var(--muted-soft);
  font-size: 9px;
}

.equipment-box dd {
  margin: 0;
  color: #d0d7e6;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.6;
}

.article-caution {
  margin-top: 22px;
  padding: 26px 28px;
  border: 1px solid rgba(247, 178, 59, 0.24);
  border-radius: 18px;
  background: rgba(247, 178, 59, 0.06);
}

.article-caution h3 {
  margin: 0 0 11px;
  color: #ffd48b;
  font-size: 15px;
}

.article-caution p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.9;
}

.article-caution p:last-child {
  margin-bottom: 0;
}

.general-caution {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.general-caution h3 {
  color: #dfe5f1;
}

.faq-list {
  margin-top: 35px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  align-items: center;
  gap: 12px;
  min-height: 80px;
  list-style: none;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span,
.faq-list details > div > span {
  color: var(--course-teal);
  font-size: 13px;
  font-weight: 850;
}

.faq-list summary i,
.faq-list summary i::after {
  width: 14px;
  height: 1px;
  background: var(--muted);
  content: "";
  transition: transform 0.2s ease;
}

.faq-list summary i::after {
  display: block;
  transform: rotate(90deg);
}

.faq-list details[open] summary i::after {
  transform: rotate(0);
}

.faq-list details > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 0 40px 25px 0;
}

.faq-list details > div > span {
  color: var(--accent-soft);
}

.faq-list details p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
}

.article-cta {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 31px;
  border: 1px solid rgba(110, 231, 207, 0.25);
  border-radius: 24px;
  background:
    radial-gradient(circle at 12% 30%, rgba(110, 231, 207, 0.16), transparent 26%),
    linear-gradient(145deg, var(--surface-card), var(--surface-raised));
}

.article-cta img {
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

.article-cta p {
  margin: 0 0 6px;
  color: var(--course-teal);
  font-size: 8px;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.article-cta h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
}

.article-cta > a {
  padding: 13px 16px;
  border-radius: 12px;
  color: #07110f;
  background: var(--course-teal);
  font-size: 10px;
  font-weight: 850;
  white-space: nowrap;
}

.article-cta > a span {
  margin-left: 7px;
}

.article-sidebar {
  position: sticky;
  top: 105px;
}

.sidebar-card {
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-raised);
}

.sidebar-card h2 {
  margin-bottom: 21px;
  font-size: 19px;
}

.sidebar-card dl {
  margin: 0 0 22px;
}

.sidebar-card dl > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.sidebar-card dt {
  color: var(--muted-soft);
  font-size: 9px;
}

.sidebar-card dd {
  margin: 0;
  color: #d5dbea;
  font-size: 10px;
  font-weight: 750;
  text-align: right;
}

.sidebar-card > a {
  display: block;
  padding: 13px;
  border-radius: 11px;
  color: #07110f;
  background: var(--course-teal);
  font-size: 10px;
  font-weight: 850;
  text-align: center;
}

.related-courses {
  padding: 103px 0 120px;
  border-top: 1px solid var(--line);
  background: var(--surface-raised);
}

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

.course-card-compact .course-card-body {
  padding: 20px;
}

.course-card-compact h2 {
  font-size: 17px;
}

@media (max-width: 1120px) {
  .course-hero-grid,
  .article-hero-grid {
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 42px;
  }

  .course-hero-visual,
  .article-hero-videos {
    transform: scale(0.83);
    transform-origin: left center;
  }

  .course-filter {
    grid-template-columns: 2fr repeat(3, 1fr);
  }

  .course-filter .filter-reset {
    grid-column: 1 / -1;
    width: max-content;
    height: auto;
    padding: 8px 2px;
    border: 0;
  }

  .article-body {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 45px;
  }
}

@media (max-width: 900px) {
  .course-hero {
    padding-top: 140px;
  }

  .course-hero-grid,
  .article-hero-grid {
    grid-template-columns: 1fr;
  }

  .course-hero-visual,
  .article-hero-videos {
    width: 480px;
    margin-inline: auto;
    transform: none;
  }

  .editorial-grid,
  .featured-story-grid {
    grid-template-columns: 1fr;
  }

  .editorial-copy {
    padding: 35px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .featured-story-media {
    width: min(100%, 510px);
    margin-inline: auto;
  }

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

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .article-body {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    display: none;
  }

  .article-main {
    max-width: 790px;
    margin-inline: auto;
  }
}

@media (max-width: 680px) {
  .course-hero {
    min-height: auto;
    padding: 124px 0 75px;
  }

  .course-hero-copy h1 {
    font-size: 42px;
  }

  .course-hero-copy > p:not(.eyebrow) {
    font-size: 13px;
  }

  .course-hero-stats {
    gap: 20px;
  }

  .course-hero-stats div {
    padding-right: 20px;
  }

  .course-hero-stats dt {
    font-size: 20px;
  }

  .course-hero-visual,
  .article-hero-videos {
    width: 100%;
    min-height: 350px;
    margin-top: 22px;
  }

  .hero-video-card,
  .article-video {
    width: 45%;
    border-radius: 18px;
  }

  .hero-video-card figcaption,
  .article-video figcaption {
    min-height: 43px;
    padding: 10px;
    font-size: 8px;
  }

  .hero-video-card-1,
  .article-video-1 {
    top: 47px;
    left: 2%;
  }

  .hero-video-card-2,
  .article-video-2 {
    top: 0;
    left: 38%;
  }

  .hero-video-card-3,
  .article-video-3 {
    top: 125px;
    left: 54%;
  }

  .course-editorial,
  .featured-story,
  .course-library,
  .choice-guide {
    padding: 76px 0;
  }

  .featured-story-media {
    min-height: 410px;
  }

  .featured-video {
    width: 62%;
    border-radius: 21px;
  }

  .featured-time {
    width: 76px;
    height: 76px;
    font-size: 14px;
  }

  .featured-story-copy h2 {
    font-size: 35px;
  }

  .course-filter {
    grid-template-columns: 1fr 1fr;
    gap: 13px 10px;
    padding: 16px;
  }

  .course-filter .search-field {
    grid-column: 1 / -1;
  }

  .course-filter label:nth-of-type(4) {
    grid-column: 1 / -1;
  }

  .course-grid,
  .related-course-grid {
    grid-template-columns: 1fr;
  }

  .course-card-media {
    aspect-ratio: 16 / 9;
  }

  .article-hero {
    padding: 101px 0 68px;
  }

  .article-hero .breadcrumbs {
    margin-bottom: 28px;
  }

  .article-hero-copy h1 {
    font-size: 41px;
  }

  .article-lead {
    font-size: 13px;
  }

  .article-facts {
    grid-template-columns: 1fr 1fr;
    gap: 16px 0;
  }

  .article-facts div:nth-child(2) {
    border: 0;
  }

  .article-facts div:nth-child(3),
  .article-facts div:nth-child(4) {
    padding-top: 15px;
    border-top: 1px solid var(--line);
  }

  .article-facts div:nth-child(3) {
    padding-left: 0;
  }

  .article-body {
    padding-top: 55px;
    padding-bottom: 85px;
  }

  .article-toc {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 66px;
    padding: 23px;
  }

  .article-toc ol {
    grid-template-columns: 1fr;
  }

  .article-section {
    margin-bottom: 78px;
  }

  .article-section > h2 {
    font-size: 30px;
  }

  .prose-section > p:not(.section-kicker),
  .section-lead {
    font-size: 13px;
  }

  .benefit-box {
    padding: 25px;
  }

  .phase-list article {
    grid-template-columns: 45px 1fr;
  }

  .course-step-list {
    grid-template-columns: 1fr;
  }

  .course-step-copy > p {
    min-height: auto;
  }

  .equipment-box {
    grid-template-columns: 1fr;
    gap: 21px;
    padding: 25px;
  }

  .article-cta {
    grid-template-columns: auto 1fr;
    padding: 25px;
  }

  .article-cta img {
    width: 58px;
    height: 58px;
  }

  .article-cta > a {
    grid-column: 1 / -1;
    text-align: center;
  }

  .related-courses {
    padding: 75px 0 86px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-card,
  .article-video {
    transform: none;
  }
}