.internal-page {
  background: var(--bg);
}

.internal-page main {
  padding-top: 86px;
}

.internal-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 72px;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(
      ellipse 58% 48% at 84% 14%,
      color-mix(in srgb, var(--brand) 13%, transparent),
      transparent 62%
    ),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.internal-hero .wrap {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb span::before {
  content: "/";
  margin-right: 8px;
  color: var(--border);
}

.internal-hero h1 {
  max-width: 860px;
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.08;
  margin-bottom: 20px;
}

.internal-hero p {
  max-width: 720px;
  font-size: 1.05rem;
}

.internal-section {
  padding: 88px 0;
}

.internal-section.alt {
  background: var(--bg-alt);
}

.internal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.internal-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.internal-copy h2,
.internal-band h2 {
  margin-bottom: 2px;
}

.internal-copy p {
  font-size: 1rem;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--brand);
  flex: none;
}

.internal-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.internal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 24px;
}

.internal-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.internal-card h3 {
  margin-bottom: 10px;
}

.internal-card p {
  font-size: 0.92rem;
}

.internal-card .link {
  margin-top: 18px;
  display: inline-flex;
  color: var(--brand);
  font-weight: 600;
  font-size: 0.84rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.metric {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.metric strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--brand);
  font-weight: 500;
}

.metric span {
  display: block;
  margin-top: 6px;
  color: var(--text-faint);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.internal-media {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.internal-media img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}

.internal-band {
  max-width: 820px;
}

.course-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 46px;
  align-items: center;
}

.course-hero-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
  box-shadow: 0 24px 50px -36px rgba(23, 24, 27, 0.22);
}

.course-hero-panel img {
  width: 100%;
  aspect-ratio: 16/11;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid var(--border);
}

.course-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.course-chip {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 3px;
  padding: 8px 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.course-learn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.course-learn-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
}

.course-learn-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-syllabus {
  display: grid;
  gap: 16px;
}

.syllabus-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 22px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.syllabus-item:last-child {
  border-bottom: 1px solid var(--border);
}

.syllabus-item strong {
  font-family: var(--font-mono);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 500;
}

.syllabus-item h3 {
  margin-bottom: 6px;
}

.course-faq {
  display: grid;
  gap: 12px;
}

.course-faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
}

.course-faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  font-family: var(--font-display);
}

.course-faq p {
  margin-top: 10px;
  font-size: 0.92rem;
}

.course-cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.course-cta-band p {
  margin-top: 8px;
}

.student-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.filter-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  border-radius: 3px;
  padding: 9px 14px;
  font-size: 0.8rem;
  font-weight: 600;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.student-seo-copy {
  max-width: 880px;
  margin-bottom: 36px;
}

.student-seo-copy p {
  margin-top: 14px;
  font-size: 1rem;
}

.testimonial-written-section {
  background: #ffffff;
}

.testimonial-written-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.68fr) minmax(0, 1.7fr);
  gap: 56px;
  align-items: center;
}

.testimonial-written-intro h2 {
  font-size: clamp(2.3rem, 4.8vw, 4rem);
  line-height: 1;
  margin-bottom: 34px;
}

.testimonial-written-intro p {
  max-width: 390px;
  margin-bottom: 30px;
  color: var(--text);
}

.testimonial-slider {
  position: relative;
  min-width: 0;
}

.testimonial-card-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(245px, calc((100% - 48px) / 3));
  gap: 20px;
  align-items: center;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 10px 4px 22px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--brand) var(--border);
  scrollbar-width: none;
}

.testimonial-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #60636a;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  transition: color 0.2s ease, transform 0.2s ease;
}

.testimonial-arrow:hover,
.testimonial-arrow:focus-visible {
  color: var(--brand);
}

.testimonial-arrow svg {
  width: 34px;
  height: 34px;
}

.testimonial-arrow-prev {
  left: -54px;
}

.testimonial-arrow-next {
  right: -54px;
}

.testimonial-arrow:disabled {
  opacity: 0.28;
  cursor: default;
}

.testimonial-card-grid::-webkit-scrollbar {
  height: 8px;
}

.testimonial-card-grid::-webkit-scrollbar-track {
  background: var(--border);
  border-radius: 999px;
}

.testimonial-card-grid::-webkit-scrollbar-thumb {
  background: var(--brand);
  border-radius: 999px;
}

.testimonial-quote-card {
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap: 20px;
  padding: 20px;
  background: #f7f7f7;
  border: 1px solid #eeeeee;
  border-radius: 2px;
  box-shadow: 0 18px 34px -22px rgba(23, 24, 27, 0.38);
  scroll-snap-align: start;
}

.testimonial-quote-card.is-featured {
  min-height: 340px;
}

.testimonial-quote-card p {
  color: #5f6268;
  font-size: 0.96rem;
  line-height: 1.7;
}

.testimonial-quote-card h3 {
  margin-bottom: 5px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
}

.testimonial-quote-card span {
  display: block;
  color: #686b72;
  font-size: 0.86rem;
  line-height: 1.35;
}

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

.youtube-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
}

.youtube-frame {
  position: relative;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
}

.youtube-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.youtube-frame .play {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.youtube-frame .play span {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid rgba(23, 24, 27, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(4px);
  box-shadow: 0 8px 20px -8px rgba(23, 24, 27, 0.3);
}

.youtube-frame .play svg {
  width: 15px;
  height: 15px;
  fill: var(--text);
  margin-left: 2px;
}

.youtube-card:hover .play span,
.youtube-card:focus-visible .play span {
  border-color: var(--brand);
  background: color-mix(in srgb, var(--brand) 16%, white);
  transform: scale(1.08);
}

.contact-list {
  display: grid;
  gap: 18px;
}

.contact-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.contact-item span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  color: var(--text-faint);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-item a:hover {
  color: var(--brand);
}

.internal-form textarea,
.internal-form select {
  font-family: inherit;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.9rem;
  width: 100%;
}

.internal-form textarea {
  min-height: 130px;
  resize: vertical;
}

.internal-form textarea:focus,
.internal-form select:focus {
  border-color: var(--brand);
  outline: none;
}

.internal-form-message {
  margin-top: 14px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.78rem;
}

@media (max-width: 980px) {
  .internal-page main {
    padding-top: 72px;
  }

  .internal-grid,
  .course-hero-grid,
  .internal-card-grid,
  .metric-row,
  .youtube-grid,
  .testimonial-written-layout {
    grid-template-columns: 1fr 1fr;
  }

  .testimonial-card-grid {
    grid-auto-columns: minmax(280px, calc((100% - 24px) / 2));
  }

  .testimonial-arrow-prev {
    left: -10px;
  }

  .testimonial-arrow-next {
    right: -10px;
  }

  .course-hero-grid {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .internal-hero {
    padding: 72px 0 56px;
  }

  .internal-section {
    padding: 72px 0;
  }

  .internal-grid,
  .course-hero-grid,
  .course-learn-grid,
  .internal-card-grid,
  .metric-row,
  .youtube-grid,
  .testimonial-written-layout {
    grid-template-columns: 1fr;
  }

  .testimonial-card-grid {
    grid-auto-columns: minmax(320px, 100%);
  }

  .testimonial-slider {
    padding-bottom: 54px;
  }

  .testimonial-arrow {
    top: auto;
    bottom: 0;
    transform: none;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 12px 24px -18px rgba(23, 24, 27, 0.35);
  }

  .testimonial-arrow-prev {
    left: calc(50% - 54px);
  }

  .testimonial-arrow-next {
    right: calc(50% - 54px);
  }

  .testimonial-written-intro h2 {
    margin-bottom: 18px;
  }

  .testimonial-quote-card,
  .testimonial-quote-card.is-featured {
    min-height: 0;
    padding: 28px 24px;
  }

  .syllabus-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .course-cta-band {
    align-items: flex-start;
    flex-direction: column;
    padding: 26px 22px;
  }

  .internal-card {
    padding: 24px 20px;
  }

  .internal-media img {
    min-height: 240px;
  }
}