/*
  SQNZN — Home
  Introdução ao sistema: capa de dossiê, manifesto, prévias do ecossistema.
*/

/* ============ Abertura — capa de dossiê ============ */

.opening {
  min-height: 100svh;
  background: var(--ink-950);
  color: var(--paper-50);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-8) var(--container-pad) var(--sp-12);
}

.opening__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warm-400);
}

.opening__headline {
  font-size: clamp(2.5rem, 7vw, var(--fs-1000));
  line-height: var(--lh-tight);
  max-width: 18ch;
  margin-block: var(--sp-8);
}

.opening__headline em {
  font-style: normal;
  color: var(--accent-terracota);
}

.opening__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--sp-8);
  border-top: 1px solid var(--line-200-dark);
  padding-top: var(--sp-6);
}

.opening__index {
  display: grid;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
}

.opening__index li {
  display: flex;
  gap: var(--sp-4);
  color: var(--warm-400);
}

.opening__index li span:first-child {
  color: var(--paper-100);
  min-width: 2ch;
}

.opening__scroll-cue {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warm-400);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.opening__scroll-cue::after {
  content: "";
  width: 1px;
  height: var(--sp-8);
  background: var(--line-200-dark-strong);
  animation: scroll-cue 1.8s var(--ease-editorial) infinite;
}

@keyframes scroll-cue {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .opening__scroll-cue::after {
    animation: none;
    transform: scaleY(0.7);
  }
}

/* ============ Manifesto / entrada no sistema ============ */

.manifesto {
  padding-block: var(--sp-32);
  text-align: center;
}

.manifesto__text {
  font-size: clamp(1.5rem, 4vw, var(--fs-700));
  line-height: var(--lh-snug);
  max-width: 20ch;
  margin-inline: auto;
}

.manifesto__text .is-muted {
  color: var(--warm-400);
}

/* ============ Prévia do Mapa Vivo ============ */

.map-preview {
  background: var(--paper-100);
  border-top: 1px solid var(--line-200);
  border-bottom: 1px solid var(--line-200);
}

.map-preview__visual {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-200-strong);
  background: var(--paper-50);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.map-preview__visual svg {
  width: 100%;
  height: 100%;
}

/* ============ Prévia de Negócios ============ */

.business-grid {
  display: grid;
  gap: var(--sp-8);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.business-preview-card {
  border-top: 1px solid var(--line-200);
  padding-top: var(--sp-6);
}

.business-preview-card__stage {
  margin-bottom: var(--sp-3);
}

.business-preview-card__name {
  font-size: var(--fs-500);
  margin-bottom: var(--sp-2);
}

.business-preview-card__segment {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--warm-600);
  margin-bottom: var(--sp-4);
}

/* ============ Pulso SQNZN (condensado) ============ */

.pulse-grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .pulse-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pulse-stat {
  border-top: 2px solid var(--ink-950);
  padding-top: var(--sp-3);
}

.pulse-stat__value {
  font-family: var(--font-display);
  font-size: var(--fs-700);
  display: block;
}

.pulse-stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--warm-600);
}

/* ============ Entrada de Soluções ============ */

.solutions-entry {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .solutions-entry {
    grid-template-columns: repeat(3, 1fr);
  }
}

.solution-entry-card {
  border: 1px solid var(--line-200-strong);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-height: 16rem;
  text-decoration: none;
  transition: border-color var(--dur-base) var(--ease-editorial);
}

.solution-entry-card:hover {
  border-color: var(--accent);
}

.solution-entry-card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  color: var(--warm-400);
}

.solution-entry-card__name {
  font-size: var(--fs-500);
  margin-top: auto;
}

/* ============ Fragmento de Jeferson ============ */

.jeferson-fragment {
  background: var(--ink-950);
  color: var(--paper-50);
}

.jeferson-fragment blockquote {
  font-size: clamp(1.5rem, 3.5vw, var(--fs-600));
  line-height: var(--lh-snug);
  max-width: 24ch;
}

/* ============ Prévia de Perspectivas ============ */

.perspectives-list {
  display: flex;
  flex-direction: column;
}

.perspectives-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  padding-block: var(--sp-6);
  border-top: 1px solid var(--line-200);
  text-decoration: none;
}

@media (min-width: 768px) {
  .perspectives-list__item {
    grid-template-columns: 8rem 1fr auto;
    align-items: baseline;
    gap: var(--sp-6);
  }
}

.perspectives-list__date {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  color: var(--warm-600);
}

.perspectives-list__title {
  font-size: var(--fs-400);
}

/* ============ Fechamento ============ */

.closing {
  text-align: center;
  background: var(--paper-100);
}

.closing__title {
  font-size: clamp(1.75rem, 4vw, var(--fs-700));
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}