.detail-page {
  background: var(--paper);
}

.detail-hero {
  position: relative;
  min-height: 72svh;
  display: flex;
  align-items: flex-end;
  padding: 154px 0 92px;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.detail-hero-media,
.detail-hero-media::after {
  position: absolute;
  inset: 0;
}

.detail-hero-media {
  z-index: -2;
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.detail-hero-media::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(6, 17, 31, 0.98) 0%, rgba(6, 17, 31, 0.86) 48%, rgba(6, 17, 31, 0.32) 100%),
    linear-gradient(180deg, rgba(6, 17, 31, 0.18) 0%, rgba(6, 17, 31, 0.38) 72%, var(--deep) 100%);
}

.detail-hero-media.flow {
  background-image: url("/landing/assets/art-routine.jpg");
}

.detail-hero-media.tower {
  background-image: url("/landing/assets/art-gate.jpg");
}

.detail-hero-copy {
  width: min(760px, 100%);
}

.detail-kicker {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.detail-hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.detail-answer {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 250, 242, 0.9);
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.75;
}

.detail-answer strong {
  color: var(--gold);
}

.detail-content {
  padding: 112px 0;
}

.detail-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 80px;
  align-items: start;
}

.detail-intro h2,
.detail-section h2 {
  margin: 0;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.detail-intro p,
.detail-section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.85;
}

.learning-path {
  margin: 88px 0 0;
  border-top: 1px solid var(--line);
}

.learning-step {
  display: grid;
  grid-template-columns: 92px minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 36px;
  align-items: start;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.learning-step-number {
  color: var(--amber);
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.learning-step h3 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.035em;
}

.learning-step p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.detail-dark {
  position: relative;
  padding: 112px 0;
  overflow: hidden;
  background: var(--deep);
  color: var(--white);
}

.detail-dark::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 74% 14%, rgba(32, 184, 164, 0.14), transparent 32%),
    radial-gradient(circle at 14% 80%, rgba(255, 138, 29, 0.12), transparent 28%);
  content: "";
}

.detail-section {
  position: relative;
}

.detail-section-lead {
  max-width: 760px;
  margin-top: 24px;
  color: rgba(255, 250, 242, 0.7);
}

.policy-list {
  margin: 64px 0 0;
  border-top: 1px solid var(--line-dark);
}

.policy-row {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
}

.policy-row dt {
  color: var(--gold);
  font-weight: 900;
}

.policy-row dd {
  margin: 0;
  color: rgba(255, 250, 242, 0.82);
  line-height: 1.75;
}

.detail-faq {
  padding: 112px 0;
  background: var(--paper-2);
}

.detail-faq-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.62fr) minmax(0, 1.38fr);
  gap: 72px;
}

.detail-faq h2 {
  margin: 0;
  font-size: clamp(34px, 4.6vw, 56px);
  letter-spacing: -0.045em;
}

.detail-faq-title p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

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

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

.detail-faq-list summary {
  position: relative;
  padding: 27px 46px 27px 0;
  cursor: pointer;
  font-size: 19px;
  font-weight: 850;
  list-style: none;
}

.detail-faq-list summary::after {
  position: absolute;
  top: 28px;
  right: 4px;
  color: var(--amber);
  content: "+";
  font-size: 24px;
}

.detail-faq-list details[open] summary::after {
  content: "−";
}

.detail-faq-list p {
  margin: 0;
  padding: 0 48px 27px 0;
  color: var(--muted);
  line-height: 1.8;
}

.detail-final {
  padding: 90px 0;
  background: #071827;
  color: var(--white);
}

.detail-final-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.detail-final h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.04em;
}

.detail-final p {
  margin: 14px 0 0;
  color: rgba(255, 250, 242, 0.7);
}

.detail-back-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  padding: 0 20px;
  border: 1px solid rgba(246, 212, 143, 0.42);
  border-radius: 8px;
  color: var(--gold);
  font-weight: 850;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.detail-back-link:hover {
  border-color: var(--gold);
  background: rgba(246, 212, 143, 0.08);
  transform: translateY(-2px);
}

@media (max-width: 800px) {
  .detail-hero {
    min-height: 78svh;
    padding: 132px 0 70px;
  }

  .detail-hero-copy {
    width: min(760px, calc(100% - 28px));
  }

  .detail-hero-media::after {
    background:
      linear-gradient(180deg, rgba(6, 17, 31, 0.5) 0%, rgba(6, 17, 31, 0.9) 54%, var(--deep) 100%);
  }

  .detail-content,
  .detail-dark,
  .detail-faq {
    padding: 82px 0;
  }

  .detail-intro,
  .detail-faq-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .learning-path {
    margin-top: 58px;
  }

  .learning-step {
    grid-template-columns: 58px 1fr;
    gap: 18px;
  }

  .learning-step p {
    grid-column: 2;
  }

  .policy-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .detail-final-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .detail-back-link {
    transition: none;
  }
}