/* Midnight Manuscript landing page. Dark-only, sharp, editorial, and built around
   real product screenshots rather than decorative product mockups. */

.landing-section {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(4.5rem, 8vw, 7rem) var(--space-5);
  border-bottom: 1px solid var(--line);
}

.landing-section > *,
.hero > *,
.perspectives-layout > *,
.conversation-section > *,
.privacy-section > * {
  min-width: 0;
}

.section-heading,
.section-lede {
  max-width: 44rem;
  margin-bottom: var(--space-6);
}

.section-heading p,
.section-lede p {
  color: var(--muted);
}

.text-link {
  display: inline-block;
  font-weight: 600;
  text-decoration-color: var(--accent);
}

.hero {
  min-height: min(42rem, calc(100dvh - 4.75rem));
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.hero-copy {
  max-width: 38rem;
}

.hero h1 {
  max-width: 20ch;
  font-size: clamp(2.8rem, 4.4vw, 3.35rem);
  line-height: 1.02;
}

.hero-lede {
  max-width: 34rem;
  color: var(--ink);
  font-size: clamp(1.08rem, 1.8vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero-actions .btn {
  white-space: nowrap;
}

.hero-artifact,
.workshop-canvas,
.conversation-canvas {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--graphite);
}

.hero-artifact {
  animation: hero-settle 520ms ease both;
}

.artifact-bar,
.hero-caption,
.workshop-canvas figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.artifact-bar span:first-child {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-caption,
.workshop-canvas figcaption {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.artifact-frame {
  overflow: hidden;
}

.artifact-frame img {
  width: 100%;
  transform: scale(1.32);
  transform-origin: center 88%;
}

@keyframes hero-settle {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.pattern-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
}

.pattern-ledger {
  border-top: 1px solid var(--line);
}

.pattern-entry {
  display: grid;
  grid-template-columns: 7.5rem minmax(11rem, 0.75fr) 1.25fr;
  gap: var(--space-4);
  align-items: baseline;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
}

.pattern-entry time,
.reference-list dt {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.pattern-entry h3,
.pattern-entry p {
  margin: 0;
}

.pattern-entry h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
}

.pattern-entry p {
  color: var(--muted);
}

.demo-embed {
  min-width: 0;
  margin-top: var(--space-5);
}

.demo-embed .demo-heading {
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.demo-reassurance {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.demo-embed .demo-shell,
.demo-embed .demo-stage,
.demo-static-fallback {
  min-width: 0;
}

.demo-embed .demo-shell {
  margin-top: 0;
  overflow: hidden;
  background: var(--graphite);
}

.demo-embed-more {
  margin-top: var(--space-4);
}

.demo-fallback {
  max-width: 100%;
}

.evidence-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.evidence-copy {
  max-width: 34rem;
}

.evidence-proof {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-left: 2px solid var(--accent);
  background: var(--graphite);
}

.evidence-claim {
  max-width: 28ch;
  margin-bottom: var(--space-5);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.25;
}

.reference-list {
  margin: 0;
}

.reference-list div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}

.reference-list div:first-child {
  border-top: 1px solid var(--line);
}

.reference-list dd {
  margin: 0;
}

.perspectives-heading {
  max-width: 46rem;
}

.perspectives-layout {
  display: grid;
  grid-template-columns: 1.16fr 0.84fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.workshop-canvas .artifact-frame {
  aspect-ratio: 8 / 5;
}

.workshop-canvas img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.38);
  transform-origin: center 92%;
}

.perspective-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.perspective-list li {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--line);
}

.perspective-list h3,
.perspective-list p {
  margin: 0;
}

.perspective-list h3 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: 0.2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
}

.perspective-list h3 span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.perspective-list p {
  color: var(--muted);
  font-size: 0.96rem;
}

.perspective-list .is-default {
  border-left: 2px solid var(--accent);
  background: var(--graphite);
}

.conversation-section {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.conversation-canvas .artifact-frame {
  aspect-ratio: 8 / 5;
}

.conversation-canvas img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.36);
  transform-origin: center 92%;
}

.conversation-copy {
  max-width: 34rem;
}

.conversation-excerpt {
  margin: var(--space-5) 0;
  padding: var(--space-4);
  border: 1px solid var(--line);
  background: var(--graphite);
}

.conversation-question,
.conversation-answer {
  margin: 0;
}

.conversation-question {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
}

.conversation-answer {
  padding-top: var(--space-3);
  padding-left: var(--space-3);
  border-left: 2px solid var(--accent);
}

.conversation-excerpt span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-paths {
  display: grid;
  grid-template-columns: 1.28fr 0.72fr;
  gap: var(--space-4);
}

.archive-path {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  background: var(--graphite);
}

.archive-path--import {
  border-left: 2px solid var(--accent);
}

.path-label {
  margin-bottom: var(--space-3);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.privacy-section .section-lede {
  max-width: 48rem;
}

.data-boundary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--graphite);
}

.data-boundary article {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.data-boundary article + article {
  border-left: 1px solid var(--line);
}

.transmission-matrix {
  margin-top: var(--space-7);
}

.transmission-matrix > h3 {
  margin-bottom: var(--space-4);
}

.transmission-matrix dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

.transmission-matrix dl > div {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: var(--space-5);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}

.transmission-matrix dt {
  font-weight: 600;
}

.transmission-matrix dd {
  margin: 0;
  color: var(--muted);
}

.title-generation-note {
  margin-top: var(--space-4);
  color: var(--muted);
  font-size: 0.96rem;
}

.privacy-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.privacy-notes article {
  padding: var(--space-5);
  border-left: 2px solid var(--accent);
  background: var(--graphite);
}

.requirements {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: var(--space-6);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

.requirements ul {
  margin: 0;
  padding-left: 1.1rem;
}

.requirements li {
  margin-bottom: var(--space-2);
}

.requirements-notes p {
  color: var(--muted);
  font-size: 0.96rem;
}

.faq-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
}

.faq-section .section-heading {
  margin-bottom: 0;
}

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

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

.faq-list summary {
  position: relative;
  padding: var(--space-4) 2.5rem var(--space-4) 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

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

.faq-list summary::after {
  position: absolute;
  top: 1.35rem;
  right: 0.2rem;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  content: "";
  transform: rotate(45deg);
  transition: transform var(--dur) ease;
}

.faq-list details[open] summary::after {
  transform: rotate(225deg);
}

.faq-list p {
  max-width: 62ch;
  margin: 0;
  padding: 0 2.5rem var(--space-5) 0;
  color: var(--muted);
}

.final-cta {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-6);
  align-items: center;
  border-bottom: 0;
}

.cta-copy {
  max-width: 40rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.cta-actions .btn {
  white-space: nowrap;
}

[data-reveal] {
  opacity: 1;
}

.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.js-reveal [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (max-width: 768px) {
  .landing-section {
    padding: var(--space-7) var(--space-5);
  }

  .hero,
  .pattern-section,
  .evidence-section,
  .perspectives-layout,
  .conversation-section,
  .archive-paths,
  .data-boundary,
  .privacy-notes,
  .requirements,
  .faq-section,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    gap: var(--space-5);
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.3rem, 11vw, 2.8rem);
  }

  .artifact-bar,
  .workshop-canvas figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-artifact .artifact-frame {
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .hero-artifact .artifact-frame img {
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.28);
    transform-origin: center 90%;
  }

  .hero-artifact .artifact-bar span:first-child,
  .hero-caption {
    display: none;
  }

  .pattern-entry {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .demo-embed .demo-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .demo-fallback {
    grid-auto-columns: 88%;
  }

  .reference-list div,
  .transmission-matrix dl > div {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .conversation-canvas {
    order: 2;
  }

  .data-boundary article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .cta-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}