/* ============================= */
/* HOME / TELA INICIAL */
/* ============================= */
.home {
  width: 90%;
  max-width: 1100px;
  min-height: calc(100vh - 90px);
  min-height: calc(100svh - 90px);
  margin: 0 auto;
  padding: 60px 0 120px;

  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;

  position: relative;
}

.home-text {
  position: relative;
  z-index: 2;
}

.home-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  padding: 7px 14px 7px 12px;

  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);

  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.home-hello {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
}

.home-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 6.4vw, 5rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
}

.home-role {
  min-height: 1.7em;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
}

.role-prompt {
  margin-right: 8px;
  color: var(--accent);
}

.typed-caret {
  display: inline-block;
  width: 10px;
  height: 1.15em;
  margin-left: 4px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: caretBlink 1s steps(1) infinite;
}

.home-description {
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 32px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.social-links {
  display: flex;
  gap: 10px;
}

/* Frentes de atuacao abaixo dos botoes */
.home-focus {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin-top: 40px;
}

.home-focus li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.home-focus li:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.focus-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 12px;
  color: #ffffff;
  background: var(--gradient-btn);
  box-shadow: 0 8px 20px var(--glow);
}

.focus-icon .icon {
  width: 18px;
  height: 18px;
}

.home-focus strong {
  display: block;
  font-size: 0.86rem;
  line-height: 1.3;
}

.home-focus span:not(.focus-icon) {
  display: block;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--muted);
}

/* ============================= */
/* CENA 3D */
/* ============================= */
.home-img {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  --layer-w: 256px;
  --layer-h: 186px;
  --gap: 88px;
  --stack-scale: 1;

  position: relative;
  width: 440px;
  height: 440px;

  display: flex;
  align-items: center;
  justify-content: center;

  perspective: 1100px;
  cursor: grab;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.hero-card:active {
  cursor: grabbing;
}

.home.is-paused .hero-card,
.home.is-paused .hero-card *,
.home.is-paused .hero-float {
  animation-play-state: paused;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--glow), transparent 66%);
  z-index: 0;
}

.dev-symbol-3d {
  position: relative;
  width: 360px;
  height: 360px;

  transform-style: preserve-3d;
  z-index: 1;
}

/* Pilha Full-Stack: tres camadas de vidro (banco, API e interface) em vista isometrica.
   Em loop, uma requisicao desce da interface ate o banco e a resposta volta. */
.stack {
  --spread: 1;
  --cycle: 6.4s;
  --cycle-delay: 1.4s;

  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--layer-w);
  height: var(--layer-h);
  margin: calc(var(--layer-h) / -2) 0 0 calc(var(--layer-w) / -2);

  transform-style: preserve-3d;
  transform: scale(var(--stack-scale)) rotateX(60deg) rotateZ(-40deg) translateZ(calc(var(--gap) * -1));
  animation: stackIdle 10s ease-in-out infinite;
}

/* Passar o mouse ou arrastar abre a pilha como uma vista explodida */
.hero-card:hover .stack,
.hero-card.is-tilting .stack {
  --spread: 1.35;
}

.stack-shadow {
  position: absolute;
  inset: -4%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(105, 49, 103, 0.45), transparent 68%);
  transform: translateZ(-46px);
}

/* Anel tracejado girando sob a pilha */
.stack-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 380px;
  height: 380px;
  margin: -190px 0 0 -190px;
  border-radius: 50%;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  animation: stackRing 40s linear infinite;
}

.layer {
  --edge: #3b183a;

  position: absolute;
  inset: 0;
  padding: 14px 16px;
  border-radius: 22px;
  transform-style: preserve-3d;
  transform: translateZ(calc(var(--n) * var(--gap) * var(--spread)));
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Montagem: as camadas caem uma a uma quando o site abre */
.home-img.show .layer {
  animation: layerDrop 0.9s cubic-bezier(0.2, 0.9, 0.3, 1.15) both;
  animation-delay: calc(0.15s + var(--n) * 0.22s);
}

/* Espessura da camada: uma copia mais escura logo atras */
.layer::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--edge);
  opacity: 0.55;
  transform: translateZ(-7px);
}

/* Onda de luz quando a requisicao passa pela camada */
.layer-pulse {
  position: absolute;
  inset: -2px;
  border-radius: 24px;
  border: 2px solid #f3c4f1;
  box-shadow: 0 0 26px rgba(212, 138, 209, 0.75), inset 0 0 26px rgba(212, 138, 209, 0.45);
  opacity: 0;
  pointer-events: none;
  animation: var(--stage) var(--cycle) ease-out var(--cycle-delay) infinite;
}

.pulse-ui,
.tag-ui {
  --stage: stageUi;
}

.pulse-api,
.tag-api {
  --stage: stageApi;
}

.pulse-db,
.tag-db,
.db-row.is-hit {
  --stage: stageDb;
}

/* Traco que liga a camada ao rotulo, deitado no plano da camada */
.layer-link {
  position: absolute;
  left: 100%;
  top: 50%;
  width: 46px;
  border-top: 1.5px dashed var(--border-strong);
}

.layer-link::before {
  content: "";
  position: absolute;
  left: -4px;
  top: -4.5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Rotulo de pe na ponta do traco: desfaz a inclinacao da pilha e fica
   a frente das camadas de cima */
.layer-tag {
  position: absolute;
  left: calc(100% + 46px);
  top: 50%;
  margin-top: -13px;
  isolation: isolate;

  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;

  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
  color: var(--text);

  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);

  transform-style: preserve-3d;
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  transform-origin: left center;
  transform: rotateZ(40deg) rotateX(-60deg) translateZ(120px) scale(0.9);
}

/* Destaque do rotulo no momento em que a camada esta ativa */
.layer-tag::after {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: color-mix(in srgb, var(--accent) 26%, var(--surface-strong));
  border: 1px solid var(--accent);
  box-shadow: 0 0 18px var(--glow);
  opacity: 0;
  animation: var(--stage) var(--cycle) ease-out var(--cycle-delay) infinite;
}

.layer-tag i {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-size: 0.9rem;
  color: var(--accent);
  transform: translateZ(1px);
}

.layer-tag > span {
  position: relative;
  z-index: 1;
  display: inline-block;
  transform: translateZ(1px);
}

/* Camada 1: banco de dados */
.layer-data {
  --edge: #2e1030;

  color: #ffffff;
  background: linear-gradient(135deg, rgba(105, 49, 103, 0.94) 0%, rgba(142, 92, 141, 0.9) 55%, rgba(167, 168, 224, 0.88) 100%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 46px rgba(212, 138, 209, 0.3);
}

.db-table {
  display: grid;
  gap: 7px;
  margin-top: 4px;
}

.db-row {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 9px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(255, 255, 255, 0.14);
}

.db-row.is-head {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  opacity: 0.75;
}

/* Linha consultada acende quando a requisicao chega ao banco */
.db-row.is-hit::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1.5px solid #ffe7ff;
  background: rgba(255, 231, 255, 0.22);
  box-shadow: 0 0 16px rgba(255, 231, 255, 0.6);
  opacity: 0;
  animation: var(--stage) var(--cycle) ease-out var(--cycle-delay) infinite;
}

.db-row b {
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.6rem;
}

.db-row .is-ok {
  color: #bbf7d0;
  background: rgba(34, 197, 94, 0.28);
}

.db-row .is-wait {
  color: #fde68a;
  background: rgba(234, 179, 8, 0.28);
}

/* Camada 2: API em Java */
.layer-api {
  --edge: #07030a;

  color: #e9dff0;
  background: rgba(20, 9, 28, 0.88);
  border: 1px solid rgba(212, 138, 209, 0.5);
  box-shadow: 0 0 40px rgba(212, 138, 209, 0.25);
}

.layer-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.layer-bar .window-dots i {
  width: 8px;
  height: 8px;
}

.layer-file {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: #a596ab;
}

.api-code {
  display: grid;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.35;
}

.code-line {
  display: block;
  white-space: nowrap;
}

.code-line.is-indent {
  padding-left: 16px;
}

/* Linha do terminal: mostra a chamada e, na volta, a resposta */
.code-line.is-term {
  position: relative;
  margin-top: 6px;
  padding-top: 7px;
  border-top: 1px dashed rgba(177, 178, 228, 0.2);
}

.term-res {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgb(20, 9, 28);
  opacity: 0;
  animation: showResponse var(--cycle) ease-out var(--cycle-delay) infinite;
}

/* Camada 3: interface */
.layer-ui {
  --edge: #cfc3e0;

  color: #1c0b1b;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 231, 255, 0.85), transparent 55%),
    rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(105, 49, 103, 0.12), 0 0 40px rgba(177, 178, 228, 0.35);
}

.ui-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ui-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-btn);
}

.ui-lines {
  display: grid;
  gap: 5px;
}

.ui-lines i {
  display: block;
  width: 86px;
  height: 7px;
  border-radius: 4px;
  background: rgba(105, 49, 103, 0.28);
}

.ui-lines i + i {
  width: 56px;
  background: rgba(105, 49, 103, 0.14);
}

.ui-pill {
  margin-left: auto;
  padding: 2px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: #15803d;
  background: rgba(34, 197, 94, 0.16);
}

.ui-chart {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  height: 56px;
  margin: 14px 0 12px;
}

.ui-chart i {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(to top, #693167, #d48ad1);
  transform-origin: bottom;
  animation: barPulse 2.8s ease-in-out infinite alternate;
}

.ui-chart i:nth-child(2) { animation-delay: 0.3s; }
.ui-chart i:nth-child(3) { animation-delay: 0.6s; }
.ui-chart i:nth-child(4) { animation-delay: 0.9s; }
.ui-chart i:nth-child(5) { animation-delay: 1.2s; }

.ui-bottom {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui-button {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--gradient-btn);
}

/* Aviso que aparece quando a resposta chega a interface */
.ui-toast {
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: #15803d;
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(34, 197, 94, 0.4);
  opacity: 0;
  animation: showToast var(--cycle) ease-out var(--cycle-delay) infinite;
}

/* Feixe vertical no centro da pilha, do banco ate a interface */
.stack-beam {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: calc(var(--gap) * 2);
  margin-left: -1px;
  transform-origin: top center;
  transform: rotateX(90deg) scaleY(var(--spread));
  background: linear-gradient(to bottom, rgba(212, 138, 209, 0.2), rgba(212, 138, 209, 0.85));
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Pacote da requisicao: anda no eixo Z e contra-gira para ficar de frente */
.stack-packet {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  opacity: 0;
  animation: packetTrip var(--cycle) cubic-bezier(0.45, 0, 0.55, 1) var(--cycle-delay) infinite;
}

.stack-packet i {
  position: absolute;
  left: -8px;
  top: -8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffffff, #ffe7ff 40%, #d48ad1);
  box-shadow: 0 0 10px #ffffff, 0 0 26px #d48ad1, 0 0 48px rgba(212, 138, 209, 0.6);
}

/* Cartoes flutuantes em volta da cena */
.hero-float {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  box-shadow: var(--shadow);
}

.float-status {
  top: 4px;
  left: -12px;

  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;

  font-size: 0.8rem;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 999px;
  animation: floatY 6s ease-in-out infinite 1.2s;
}

.float-status b {
  color: var(--accent);
}