/* Indexable content pages built on HiAir Deep Glass v4. */
.content-page {
  background:
    radial-gradient(circle at 86% 5%, rgba(160, 106, 255, 0.16), transparent 28rem),
    radial-gradient(circle at 10% 24%, rgba(26, 232, 255, 0.11), transparent 32rem),
    linear-gradient(180deg, var(--field-top), var(--field-mid) 48%, var(--field-bottom));
}

.content-nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 1rem;
  border: 1px solid rgba(103, 198, 255, 0.22);
  border-radius: var(--radius-pill);
  background: rgba(8, 18, 33, 0.76);
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.content-hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.content-hero__grid {
  display: grid;
  align-items: center;
  gap: 2rem;
}

.content-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.05rem, 8vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.content-hero__lead {
  max-width: 760px;
  margin: 1.25rem 0 0;
  color: var(--text-secondary);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.72;
}

.content-hero__orb {
  width: min(42vw, 320px);
  justify-self: center;
  filter: drop-shadow(0 0 48px rgba(26, 232, 255, 0.22));
  animation: orb-pulse 5s ease-in-out infinite;
}

@media (min-width: 900px) {
  .content-hero__grid { grid-template-columns: minmax(0, 1fr) 320px; }
}

.content-main { padding-bottom: 5rem; }

.content-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .content-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.resource-card,
.feature-card,
.topic-card,
.method-steps > div {
  display: flex;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 1.8rem);
  border: 1px solid rgba(244, 247, 255, 0.1);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(16, 27, 55, 0.88), rgba(8, 18, 33, 0.94));
  box-shadow: var(--shadow-card);
}

.resource-card { transition: transform 160ms var(--ease), border-color 160ms var(--ease); }
.resource-card:hover,
.resource-card:focus-visible { transform: translateY(-4px); border-color: var(--rim-strong); }
.resource-card h2,
.feature-card h2 { margin: 0.55rem 0 0.65rem; font-size: 1.25rem; line-height: 1.24; }
.resource-card p,
.feature-card p { margin: 0 0 1rem; color: var(--text-tertiary); }
.resource-card__label { color: var(--wordmark-cyan); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.resource-card .text-link { margin-top: auto; }
.text-link { color: var(--wordmark-cyan); font-weight: 600; }
.feature-card > span { color: var(--accent-violet); font-weight: 700; }
.topic-card { gap: 0.35rem; }
.topic-card strong { color: var(--wordmark-cyan); }
.topic-card span { color: var(--text-tertiary); }

.content-section {
  margin-top: clamp(3rem, 7vw, 5rem);
}

.content-section > h2,
.prose-content h2 {
  margin: 2.2rem 0 0.7rem;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.content-section > h2:first-child,
.prose-content h2:first-child { margin-top: 0; }

.prose-content {
  max-width: 820px;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid rgba(244, 247, 255, 0.1);
  border-radius: var(--radius-xl);
  background: rgba(8, 18, 33, 0.72);
  box-shadow: var(--shadow-card);
}

.prose-content p,
.prose-content li { color: var(--text-secondary); }
.prose-content li + li { margin-top: 0.55rem; }
.prose-content a { color: var(--wordmark-cyan); text-decoration: underline; text-underline-offset: 0.18em; }

.callout {
  margin: 1.5rem 0;
  padding: 1.05rem 1.2rem;
  border: 1px solid rgba(26, 232, 255, 0.24);
  border-radius: var(--radius-sm);
  background: rgba(26, 232, 255, 0.08);
  color: var(--text-secondary);
}

.source-note { padding-top: 1.25rem; border-top: 1px solid var(--line-soft); font-size: 0.9rem; }

.method-steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .method-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.method-steps span {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--accent-gradient);
  font-weight: 700;
}

.method-steps h2 { margin: 1rem 0 0.4rem; }
.method-steps p { margin: 0; color: var(--text-tertiary); }

.content-cta {
  margin-top: clamp(3rem, 8vw, 6rem);
  padding: clamp(1.8rem, 5vw, 3.4rem);
  text-align: center;
  border: 1px solid var(--rim);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 80% 15%, rgba(160, 106, 255, 0.18), transparent 45%),
    linear-gradient(180deg, rgba(16, 27, 55, 0.9), rgba(8, 18, 33, 0.96));
  box-shadow: var(--shadow-glow);
}

.content-cta h2 { max-width: 700px; margin: 0 auto; font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.12; }
.content-cta p { max-width: 620px; margin: 1rem auto 1.4rem; color: var(--text-tertiary); }
.review-date { margin-top: 1.2rem; color: var(--text-muted); font-size: 0.78rem; text-align: center; }

.content-page .footer-links h2 {
  margin: 0 0 0.85rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 767px) {
  .content-nav .site-nav.is-open { top: calc(100% + 0.55rem); }
  .content-hero__orb { width: 190px; }
}

@media (prefers-reduced-motion: reduce) {
  .content-hero__orb,
  .resource-card {
    animation: none;
    transition: none;
  }
}