@charset "UTF-8";

.feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.feedback-heading h2 {
  max-width: 8ch;
  font-family: var(--serif);
  font-size: clamp(4rem, 8vw, 8rem);
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.feedback-heading figure {
  margin: 2rem 0 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.feedback-notes {
  display: grid;
  gap: 1.2rem;
}

.feedback-item {
  padding: 1rem 0;
  border-top: 1px solid var(--ink);
}

.feedback-item h3 {
  margin-bottom: 0.45rem;
  color: var(--accent-deep);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feedback-item p {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.45;
}

.feedback-signature {
  padding: 1.2rem;
  border: 1px solid var(--annotation);
  color: var(--annotation);
  font-size: 0.82rem;
}

.mobile-cover {
  padding: 0.9rem 1rem 1.4rem;
}

.mobile-masthead {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  padding-bottom: 0.55rem;
  border-bottom: 3px double var(--ink);
}

.mobile-masthead h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 2.6rem;
  letter-spacing: -0.07em;
  line-height: 0.78;
}

.mobile-masthead span {
  font-family: var(--mono);
  font-size: 0.58rem;
  text-align: right;
}

.mobile-hero {
  position: relative;
  margin-top: 0.9rem;
}

.mobile-hero img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.mobile-cover h3 {
  margin: 1rem 0 0.6rem;
  font-family: var(--serif);
  font-size: 2.65rem;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.mobile-opening {
  position: relative;
  margin: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.55;
}

.mobile-annotation {
  margin-top: 0.9rem;
  padding: 0.65rem 0.75rem;
  background: var(--annotation-soft);
  color: #194955;
  font-size: 0.72rem;
}

.mobile-continuation {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-continuation::after {
  flex: 1;
  height: 1px;
  background: var(--ink);
  content: "";
}

.echo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, 0.65fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.echo-article h2 {
  max-width: 10ch;
  font-family: var(--serif);
  font-size: clamp(3.6rem, 7vw, 7rem);
  letter-spacing: -0.065em;
  line-height: 0.85;
}

.echo-copy {
  max-width: 42rem;
  font-family: var(--serif);
  font-size: 1.3rem;
}

.echo-trigger {
  position: relative;
  display: inline;
  padding: 0 0 0.1em;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  font-weight: 700;
}

.echo-trigger::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 0.16em;
  background: var(--accent);
  content: "";
  transform: scaleX(0.28);
  transform-origin: left center;
  transition: transform 220ms ease;
}

.echo-trigger.is-expanded::after,
.echo-stage.is-echoing .echo-trigger::after {
  transform: scaleX(1);
}

.echo-rail {
  min-height: 310px;
  margin-top: clamp(18rem, 36vw, 32rem);
  padding: 1.2rem;
  border-top: 5px solid var(--annotation);
  background: var(--annotation-soft);
  clip-path: inset(0 100% 0 0);
  opacity: 0;
  transform: translateX(-14px);
  transition:
    clip-path 360ms ease 100ms,
    opacity 280ms ease 100ms,
    transform 360ms ease 100ms;
}

.echo-stage.is-expanded .echo-rail,
.echo-stage.is-echoing .echo-rail {
  clip-path: inset(0 0 0 0);
  opacity: 1;
  transform: translateX(0);
}

.echo-detail {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.echo-detail:nth-child(2) { transition-delay: 260ms; }
.echo-detail:nth-child(3) { transition-delay: 360ms; }
.echo-detail:nth-child(4) { transition-delay: 460ms; }

.echo-stage.is-expanded .echo-detail,
.echo-stage.is-echoing .echo-detail {
  opacity: 1;
  transform: translateY(0);
}

.echo-detail strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--annotation);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.echo-detail p {
  margin-bottom: 0.9rem;
  font-size: 0.84rem;
  line-height: 1.55;
}

.echo-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

@media (max-width: 780px) {
  .feedback-layout,
  .echo-layout {
    grid-template-columns: 1fr;
  }

  .echo-rail {
    margin-top: 0;
  }
}

@media (max-width: 700px) {
  [data-state-panel="mobile"] .magazine-page {
    width: 100%;
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .echo-trigger::after,
  .echo-rail,
  .echo-detail {
    transition: none;
  }
}