:root {
  --tu-navy: #0f172a;
  --tu-blue: #2f9be4;
  --tu-blue-bright: #56acec;
  --tu-ink: #142033;
  --tu-muted: #56657a;
  --tu-line: #dbe6f0;
  --tu-paper: #ffffff;
  --tu-soft: #f2f8fc;
  --tu-shadow: 0 22px 60px rgba(15, 23, 42, 0.11);
}

.tech-uncovered-page {
  background: #f6f9fc;
}

.tu-skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 2000;
  padding: 10px 14px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--tu-navy);
  transform: translateY(-150%);
}

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

.tu-main {
  color: var(--tu-ink);
}

.tu-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.tu-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4vw, 48px) 0 clamp(24px, 3vw, 38px);
  background:
    radial-gradient(circle at 82% 20%, rgba(86, 172, 236, 0.2), transparent 32%),
    linear-gradient(135deg, #ffffff 0%, #f1f7fb 58%, #eaf5fc 100%);
  border-bottom: 1px solid var(--tu-line);
}

.tu-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image: radial-gradient(rgba(47, 155, 228, 0.35) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(90deg, transparent 8%, #000 72%, #000 100%);
}

.tu-hero-grid {
  position: relative;
  display: block;
}

.tu-hero-copy {
  max-width: 820px;
}

.tu-eyebrow,
.tu-section-kicker {
  margin: 0 0 14px;
  color: var(--tu-blue);
  font-size: 0.78rem !important;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tu-title {
  margin: 0;
  max-width: 760px;
  color: var(--tu-navy);
  font-size: clamp(2.35rem, 5vw, 4.15rem) !important;
  font-weight: 900;
  line-height: 0.98 !important;
  letter-spacing: -0.045em !important;
}

.tu-title::after {
  content: "";
  display: block;
  width: min(230px, 45%);
  height: 6px;
  margin-top: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--tu-blue), var(--tu-blue-bright));
  transform: skewX(-18deg);
}

.tu-tagline {
  margin: 16px 0 8px;
  color: var(--tu-ink);
  font-size: clamp(1.2rem, 2vw, 1.55rem) !important;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tu-intro {
  max-width: 670px;
  margin: 0;
  color: var(--tu-muted);
}

.tu-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tu-topic-list span {
  padding: 8px 13px;
  border: 1px solid #cbddeb;
  border-radius: 999px;
  color: #31506a;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.8rem;
  font-weight: 700;
}

.tu-hero-panel {
  position: relative;
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 4vw, 46px);
  overflow: hidden;
  border: 2px solid var(--tu-navy);
  border-radius: 30px;
  color: #ffffff;
  background:
    radial-gradient(circle at 84% 18%, rgba(86, 172, 236, 0.95) 0 10%, transparent 10.5%),
    linear-gradient(145deg, #0f172a 0%, #152a42 65%, #167ab6 140%);
  box-shadow: var(--tu-shadow);
  transform: rotate(1.5deg);
}

.tu-hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: radial-gradient(#ffffff 1px, transparent 1.2px);
  background-size: 13px 13px;
}

.tu-hero-panel > * {
  position: relative;
}

.tu-panel-kicker,
.tu-panel-note {
  width: fit-content;
  padding: 7px 10px;
  background: #ffffff;
  color: var(--tu-navy);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.tu-panel-mark {
  font-size: clamp(2.7rem, 5vw, 4.7rem);
  font-weight: 950;
  line-height: 0.82;
  letter-spacing: -0.07em;
  text-shadow: 5px 5px 0 rgba(47, 155, 228, 0.42);
}

.tu-panel-rule {
  width: 72%;
  height: 9px;
  background: var(--tu-blue-bright);
  transform: skewX(-20deg);
}

.tu-episodes,
.tu-principles {
  padding: clamp(64px, 8vw, 104px) 0;
}

.tu-episodes {
  padding: clamp(24px, 3vw, 38px) 0 clamp(58px, 7vw, 88px);
}

.tu-section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.tu-section-heading--series {
  margin-bottom: 20px;
}

.tu-section-heading--series .tu-section-kicker {
  margin-bottom: 7px;
}

.tu-section-heading--series h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.4vw, 2rem) !important;
}

.tu-section-heading--centered {
  margin-inline: auto;
  text-align: center;
}

.tu-section-heading h2,
.tu-cta h2 {
  margin: 0 0 14px;
  color: var(--tu-navy);
}

.tu-section-heading > p:last-child,
.tu-cta p {
  color: var(--tu-muted);
}

.tu-episode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: clamp(20px, 2vw, 24px);
}

.tu-episode-card {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--tu-line);
  border-radius: 22px;
  background: var(--tu-paper);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.1);
}

.tu-episode-entry {
  min-width: 0;
  display: flex;
}

.tu-episode-card--published {
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tu-episode-card--published:hover {
  border-color: #b9d9ee;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.15);
  transform: translateY(-3px);
}

.tu-episode-card--published:focus-visible {
  outline: 4px solid #7dd3fc;
  outline-offset: 5px;
}

.tu-episode-cover-image {
  min-width: 0;
  min-height: 0;
  height: clamp(280px, 24vw, 320px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 2vw, 22px);
  background:
    radial-gradient(circle at 84% 16%, rgba(86, 172, 236, 0.24), transparent 31%),
    linear-gradient(145deg, #eaf6fd, #f8fbfe);
}

.tu-episode-cover-image picture {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.tu-episode-cover-image img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.18);
}

.tu-episode-cover {
  position: relative;
  min-height: 470px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 5vw, 48px);
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(132deg, transparent 0 47%, rgba(86, 172, 236, 0.9) 47.5% 49%, transparent 49.5%),
    radial-gradient(circle at 85% 14%, rgba(86, 172, 236, 0.95) 0 11%, transparent 11.5%),
    linear-gradient(145deg, #0f172a 0%, #162c45 72%, #1a86c6 130%);
}

.tu-episode-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: radial-gradient(#ffffff 1px, transparent 1px);
  background-size: 12px 12px;
}

.tu-episode-cover > * {
  position: relative;
  z-index: 1;
}

.tu-cover-label {
  width: fit-content;
  padding: 7px 10px;
  color: var(--tu-navy);
  background: #ffffff;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.tu-cover-title {
  font-size: clamp(3.7rem, 8vw, 7rem);
  font-weight: 950;
  line-height: 0.67;
  letter-spacing: -0.08em;
}

.tu-cover-title span {
  display: inline-block;
  color: var(--tu-blue-bright);
  font-size: 0.34em;
  letter-spacing: 0.12em;
  transform: translateX(6px);
}

.tu-cover-question {
  max-width: 290px;
  font-size: 1.08rem;
  font-weight: 800;
}

.tu-cover-badge {
  width: fit-content;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.tu-episode-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: clamp(19px, 2vw, 24px);
}

.tu-episode-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 13px;
}

.tu-episode-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  color: #31506a;
  background: var(--tu-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.tu-episode-content h3 {
  margin: 0 0 7px;
  color: var(--tu-navy);
  font-size: clamp(1.35rem, 1.7vw, 1.7rem) !important;
  line-height: 1.08 !important;
}

.tu-episode-subtitle {
  display: -webkit-box;
  margin: 0 0 12px;
  overflow: hidden;
  color: var(--tu-blue) !important;
  font-size: 1rem !important;
  font-weight: 800;
  line-height: 1.3 !important;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.tu-episode-content > p:not(.tu-episode-subtitle) {
  display: -webkit-box;
  max-width: 610px;
  margin-bottom: 18px;
  overflow: hidden;
  color: var(--tu-muted);
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.tu-read-episode {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding: 11px 16px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(90deg, var(--tu-blue-bright), var(--tu-blue));
  box-shadow: 0 12px 28px rgba(47, 155, 228, 0.26);
  font-size: 0.88rem;
  font-weight: 850;
}

.tu-read-episode span {
  font-size: 1.12rem;
  transition: transform 0.2s ease;
}

.tu-episode-card--published:hover .tu-read-episode span {
  transform: translateX(3px);
}

.tu-coming-status {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 26px;
  padding: 11px 15px;
  border: 1px solid #c8dbea;
  border-radius: 12px;
  color: #31506a;
  background: #f7fbfe;
  font-size: 0.86rem;
  font-weight: 800;
}

.tu-coming-status::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--tu-blue);
  box-shadow: 0 0 0 4px rgba(47, 155, 228, 0.15);
}

.tu-approval-note {
  max-width: 780px;
  margin: 24px auto 0;
  color: var(--tu-muted);
  text-align: center;
  font-size: 0.9rem !important;
}

.tu-principles {
  background: #ffffff;
  border-block: 1px solid var(--tu-line);
}

.tu-principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.tu-principle-card {
  padding: 28px;
  border: 1px solid var(--tu-line);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, #f7fbfe);
}

.tu-principle-number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--tu-blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.tu-principle-card h3 {
  margin: 0 0 10px;
  color: var(--tu-navy);
}

.tu-principle-card p {
  color: var(--tu-muted);
}

.tu-cta {
  padding: clamp(58px, 8vw, 94px) 0;
}

.tu-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  padding: clamp(30px, 5vw, 52px);
  border-radius: 26px;
  color: #ffffff;
  background: linear-gradient(135deg, #0f172a, #18344f);
  box-shadow: var(--tu-shadow);
}

.tu-cta h2,
.tu-cta p,
.tu-cta .tu-section-kicker {
  color: #ffffff;
}

.tu-cta p {
  max-width: 680px;
  opacity: 0.78;
}

.tu-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.tu-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.tu-button:hover {
  transform: translateY(-2px);
}

.tu-button--primary {
  color: #ffffff;
  background: linear-gradient(90deg, var(--tu-blue-bright), var(--tu-blue));
  box-shadow: 0 12px 28px rgba(47, 155, 228, 0.3);
}

.tu-button--secondary {
  border-color: rgba(255, 255, 255, 0.36);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.tu-button:focus-visible,
.tech-uncovered-page .nav-links a:focus-visible,
.tech-uncovered-page .mobile-nav-links a:focus-visible {
  outline: 3px solid #7dd3fc;
  outline-offset: 3px;
}

.tech-uncovered-page .footer {
  margin-top: 0;
}

@media (min-width: 768px) and (max-width: 1199px) {
  .tu-episode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .tu-hero-grid,
  .tu-cta-inner {
    grid-template-columns: 1fr;
  }

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

  .tu-hero-panel {
    min-height: 360px;
    transform: none;
  }

  .tu-episode-cover {
    min-height: 420px;
  }

  .tu-principle-grid {
    grid-template-columns: 1fr;
  }

  .tu-cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  .tu-episode-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 1fr;
    gap: 20px;
  }

  .tu-episode-cover-image {
    height: min(118vw, 480px);
  }
}

@media (max-width: 640px) {
  .tu-shell {
    width: min(100% - 28px, 1180px);
  }

  .tu-hero {
    padding: 26px 0 22px;
  }

  .tu-title {
    font-size: clamp(2.1rem, 11vw, 3rem) !important;
  }

  .tu-episode-grid {
    grid-template-columns: 1fr;
  }

  .tu-hero-panel,
  .tu-episode-cover,
  .tu-episode-card,
  .tu-cta-inner {
    border-radius: 20px;
  }

  .tu-hero-panel {
    min-height: 320px;
  }

  .tu-episode-cover {
    min-height: 390px;
  }

  .tu-episode-content,
  .tu-principle-card {
    padding: 24px;
  }

  .tu-episode-cover-image {
    padding: 16px;
    min-height: 0;
    height: min(118vw, 460px);
  }

  .tu-episode-cover-image img {
    max-height: 100%;
  }

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

@media (prefers-reduced-motion: reduce) {
  .tu-button,
  .tu-episode-card--published,
  .tu-read-episode span {
    transition: none;
  }
}