/* ==========================================================================
   Serviços: pastas que se abrem umas sobre as outras (js/sections/services.js)

   Sem JavaScript: painéis abertos, um embaixo do outro.
   .is-enhanced: cada serviço vira pasta (verso com aba, documento, capa e sombra).
   .is-pinned (desktop): a seção fica presa; cada pasta recebe --arrive, --open, --recede,
   --vis e --sweep (0 a 1) e o CSS transforma isso em profundidade.
   ========================================================================== */

.services .light {
  --size: 80vmax;
  --strength: 0.12;
  top: 30%;
  left: 0;
}

.services__layout {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}

.services__aside {
  display: grid;
  align-content: start;
  gap: 1.25rem;
}

/* índice dos serviços */
.services__index {
  display: none;
  gap: 0.15rem;
  margin-top: 0.75rem;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.services__index button {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  width: 100%;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: var(--fs-small);
  text-align: left;
  transition: color 0.3s var(--ease-out);
}

.services__index button span {
  color: var(--graphite);
  font-size: var(--fs-micro);
  font-variant-numeric: tabular-nums;
  transition: color 0.3s var(--ease-out);
}

.services__index button:hover {
  color: var(--frost-soft);
}

.services__index button[aria-current="true"] {
  color: var(--frost);
}

.services__index button[aria-current="true"] span {
  color: var(--volt-hi);
  text-shadow: 0 0 10px rgb(29 143 240 / 0.8);
}

.services__stack {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: 0;
  list-style: none;
}

/* Documento (conteúdo real do serviço) ------------------------------------- */

.service-panel {
  --i: 0;
  --paper: color-mix(in oklab, #070e1c, #13223f calc(var(--i) * 8%));
  position: relative;
}

.service-panel,
.service-doc__sheet {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.services:not(.is-enhanced) .service-panel,
.service-doc__sheet {
  overflow: hidden;
  padding: clamp(1.5rem, 1rem + 2.6vw, 3.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 90% at 100% 0%, rgb(21 109 220 / 0.16), transparent 70%),
    var(--paper);
  box-shadow: inset 0 1px 0 rgb(234 241 255 / 0.07), 0 40px 80px -40px rgb(0 0 0 / 0.95);
}

.service-doc {
  display: block;
  padding-top: 18px; /* espaço da aba */
}

/* fio de luz no topo da folha */
.service-doc__sheet::before {
  content: "";
  position: absolute;
  top: 0;
  right: 12%;
  left: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(29 143 240 / 0.8), transparent);
  opacity: 0.6;
}

/* reflexo azul que atravessa a folha quando ela se abre (e acompanha o mouse) */
.service-doc__sheet::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, transparent calc(var(--sweep, 1) * 130% - 40%), rgb(120 190 255 / 0.12) calc(var(--sweep, 1) * 130% - 22%), transparent calc(var(--sweep, 1) * 130% - 4%)),
    radial-gradient(40% 60% at var(--px, 50%) var(--py, 50%), rgb(120 190 255 / 0.1), transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}

.services.is-pinned .service-doc__sheet::after,
.service-doc.is-hover .service-doc__sheet::after {
  opacity: 1;
}

.service-panel__text {
  display: grid;
  gap: 1.05rem;
  justify-items: start;
}

.service-panel__title {
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 1.9vw, 3.25rem);
  font-weight: 400;
  line-height: 1;
}

.service-panel__desc {
  max-width: 46ch;
  color: var(--frost-soft);
  font-size: clamp(0.95rem, 0.92rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
}

.service-panel__fit {
  display: grid;
  gap: 0.55rem;
}

.service-panel__fit-label {
  color: var(--mist);
  font-size: var(--fs-small);
  font-weight: 500;
}

.service-panel .btn {
  margin-top: 0.3rem;
}

.service-panel__art {
  justify-self: center;
  width: 100%;
  max-width: 26rem;
  color: var(--frost);
}

.service-panel__art svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Ilustrações: traço claro, destaques em azul elétrico */
.art-ink {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
}

.art-soft {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25;
  stroke-linecap: round;
  opacity: 0.28;
}

.art-volt {
  fill: none;
  stroke: var(--volt-hi);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgb(29 143 240 / 0.8));
}

.art-fill {
  fill: var(--volt);
  stroke: none;
}

.art-tint {
  fill: var(--volt);
  stroke: none;
  opacity: 0.14;
}

.art-dot {
  fill: currentColor;
  stroke: none;
}

.art-bar {
  fill: none;
  stroke: currentColor;
  stroke-width: 7;
  stroke-linecap: round;
  opacity: 0.9;
}

.art-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  opacity: 0.32;
}

.art-volt-bar {
  stroke: var(--volt-hi);
  opacity: 1;
}

.art-dash {
  stroke-dasharray: 4 6;
}

.art-thick {
  stroke-width: 5;
}

.art-paper {
  fill: var(--paper);
}

.art-check {
  fill: none;
  stroke: var(--frost);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Pasta: verso com aba, capa e sombra ----------------------------------------- */

.service-doc__back {
  position: absolute;
  inset: 0 -10px -10px;
  z-index: -1;
  border: 1px solid rgb(29 143 240 / 0.22);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(180deg, #0a1a36, #050b18);
  box-shadow: 0 50px 100px -50px rgb(0 0 0 / 0.95);
}

.service-doc__tab {
  position: absolute;
  top: -1px;
  left: 28px;
  padding: 0.2rem 1rem 0.35rem;
  border: 1px solid rgb(29 143 240 / 0.3);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  background: #0a1a36;
  color: var(--volt-hi);
  font-size: var(--fs-micro);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.12em;
  translate: 0 -100%;
}

.service-doc__cover {
  position: absolute;
  top: 18px;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  align-content: end;
  gap: 0.6rem;
  padding: clamp(1.5rem, 1rem + 2.6vw, 3.25rem);
  overflow: hidden;
  border: 1px solid rgb(29 143 240 / 0.35);
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(0deg, rgb(234 241 255 / 0.025) 0 1px, transparent 1px 22px),
    radial-gradient(80% 70% at 85% 10%, rgb(29 143 240 / 0.3), transparent 70%),
    linear-gradient(160deg, #0d2347, #050c1b 70%);
  box-shadow: inset 0 1px 0 rgb(234 241 255 / 0.12);
  backface-visibility: hidden;
  pointer-events: none;
  transform-origin: 50% 0;
}

.service-doc__cover-num {
  color: var(--volt-hi);
  font-family: var(--font-display);
  font-size: clamp(4rem, 2.5rem + 5vw, 7.5rem);
  font-weight: 300;
  line-height: 0.8;
  text-shadow: 0 0 30px rgb(29 143 240 / 0.6);
}

.service-doc__cover-title {
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 1.1rem + 1.4vw, 2.4rem);
  line-height: 1.02;
}

.service-doc__cover-line {
  width: 40%;
  height: 1px;
  margin-top: 0.4rem;
  background: linear-gradient(90deg, var(--volt-hi), transparent);
  box-shadow: 0 0 8px var(--volt-hi);
}

.service-doc__shade {
  position: absolute;
  inset: 18px 0 0;
  border-radius: var(--radius-lg);
  background: #010203;
  opacity: 0;
  pointer-events: none;
}

/* celular e telas baixas: a capa se abre quando a pasta entra na tela */
.services.is-enhanced:not(.is-pinned) .service-doc__cover {
  transform: perspective(1400px) rotateX(0deg);
  transition: transform 1s cubic-bezier(0.6, 0, 0.2, 1) 0.15s, opacity 0.6s ease 0.7s;
}

.services.is-enhanced:not(.is-pinned) .service-doc.is-open .service-doc__cover {
  transform: perspective(1400px) rotateX(-112deg);
  opacity: 0;
}

.services.is-enhanced:not(.is-pinned) .service-doc__sheet > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease 0.55s, transform 0.6s var(--ease-out) 0.55s;
}

.services.is-enhanced:not(.is-pinned) .service-doc.is-open .service-doc__sheet > * {
  opacity: 1;
  transform: none;
}

@media (min-width: 900px) {
  .service-panel,
  .service-doc__sheet {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  /* lista (sem prender): título e introdução lado a lado, como nas outras seções */
  .services:not(.is-pinned) .services__aside {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    column-gap: clamp(2rem, 5vw, 5rem);
    align-items: end;
  }

  .services:not(.is-pinned) .services__aside .eyebrow {
    grid-column: 1 / -1;
  }

  .service-doc {
    display: block;
  }
}

/* Desktop: seção presa, uma pasta por vez -------------------------------------- */

.services.is-pinned {
  padding-block: 0;
}

.services.is-pinned .services__sticky {
  position: sticky;
  top: 0;
  display: grid;
  align-items: center;
  height: 100vh;
  height: 100svh;
  padding-top: calc(var(--header-top) + var(--header-h));
}

.services.is-pinned .services__layout {
  grid-template-columns: minmax(16rem, 0.62fr) minmax(0, 1.38fr);
  align-items: center;
}

.services.is-pinned .services__index {
  display: grid;
}

.services.is-pinned .services__aside .section-intro p:not(.lead) {
  display: none;
}

.services.is-pinned .services__stack {
  position: relative;
  display: block;
  height: min(72vh, 36rem);
  perspective: 1500px;
  perspective-origin: 50% 0%;
}

.services.is-pinned .service-doc {
  position: absolute;
  inset: 0;
  z-index: calc(10 + var(--i));
  transform-style: preserve-3d;
  transform:
    translate3d(0, calc((1 - var(--arrive, 0)) * 78vh - var(--recede, 0) * 5.5%), calc(var(--recede, 0) * -130px))
    rotateX(calc((1 - var(--arrive, 0)) * 55deg + var(--recede, 0) * 7deg + var(--my, 0) * -2.5deg))
    rotateY(calc(var(--mx, 0) * 3.5deg))
    rotateZ(calc(var(--tilt, 0deg) * (1 - var(--arrive, 0))));
  transform-origin: 50% 100%;
  opacity: var(--vis, 0);
  will-change: transform, opacity;
}

.services.is-pinned .service-doc__sheet {
  position: absolute;
  inset: 18px 0 0;
  align-content: center;
}

/* o conteúdo aparece conforme a capa sobe (--reveal: 0 a 1, calculado no script) */
.services.is-pinned .service-doc__sheet > * {
  opacity: var(--reveal, 0);
  translate: 0 calc((1 - var(--reveal, 0)) * 18px);
}

/* a capa (opaca) se abre como uma tampa, para trás e para cima, e só some no fim */
.services.is-pinned .service-doc__cover {
  transform: rotateX(calc(var(--open, 0) * 112deg));
  opacity: var(--cover, 1);
}

.services.is-pinned .service-doc__shade {
  opacity: min(0.72, calc(var(--recede, 0) * 0.34));
}

/* a pasta aberta acende a borda; o verso brilha na base */
.services.is-pinned .service-doc.is-active .service-doc__sheet {
  border-color: rgb(29 143 240 / 0.35);
}

.services.is-pinned .service-panel__art {
  max-width: 24rem;
}

@media (prefers-reduced-motion: reduce) {
  .services.is-enhanced .service-doc__cover {
    display: none;
  }

  .services.is-enhanced .service-doc__sheet > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   Visual claro (cartões brancos), por cima da base acima
   Superfícies brancas e branco-frio, títulos em azul profundo (Bodoni Moda), textos em
   preto suave, detalhes em azul elétrico, sombras leves e bordas discretas. Os números
   (1 a 6) não aparecem: a ordem existe só no código. O movimento das pastas é o mesmo.
   Cores: #FFFFFF, #ECF1FF, #101112, #0B4B9C, #156DDC.
   ========================================================================== */
.services {
  --sv-white: #ffffff;
  --sv-frost: #ecf1ff;
  --sv-ink: #101112;
  --sv-deep: #0b4b9c;
  --sv-volt: #156ddc;
}

.services:not(.is-enhanced) .service-panel,
.service-doc__sheet {
  --paper: var(--sv-white);
  border: 1px solid rgb(11 75 156 / 0.14);
  background:
    radial-gradient(60% 80% at 100% 0%, rgb(21 109 220 / 0.07), transparent 70%),
    var(--sv-white);
  color: var(--sv-ink);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 0.9),
    0 34px 70px -38px rgb(0 0 0 / 0.75),
    0 0 0 1px rgb(21 109 220 / 0.05);
}

/* fio elétrico no topo da folha */
.service-doc__sheet::before {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sv-volt), #6fb3ff, var(--sv-volt), transparent);
  box-shadow: 0 0 12px rgb(21 109 220 / 0.45);
  opacity: 0.85;
}

/* reflexo azul que atravessa a folha */
.service-doc__sheet::after {
  background:
    linear-gradient(105deg, transparent calc(var(--sweep, 1) * 130% - 40%), rgb(21 109 220 / 0.08) calc(var(--sweep, 1) * 130% - 22%), transparent calc(var(--sweep, 1) * 130% - 4%)),
    radial-gradient(40% 60% at var(--px, 50%) var(--py, 50%), rgb(21 109 220 / 0.06), transparent 70%);
}

.service-panel__title {
  color: var(--sv-deep);
  font-weight: 400;
}

.service-panel__desc {
  color: rgb(16 17 18 / 0.8);
}

.service-panel__fit-label {
  color: #4c4d52;
}

.service-panel .chips li {
  border-color: rgb(11 75 156 / 0.2);
  background: var(--sv-frost);
  color: var(--sv-deep);
}

/* botão: azul elétrico cheio sobre o branco */
.service-panel .btn {
  border-color: var(--sv-volt);
  background: linear-gradient(180deg, #2a83ec, var(--sv-volt));
  color: #fff;
  box-shadow: 0 12px 26px -14px rgb(21 109 220 / 0.9), inset 0 1px 0 rgb(255 255 255 / 0.25);
}

.service-panel .btn:hover {
  background: linear-gradient(180deg, var(--sv-volt), var(--sv-deep));
}

.service-panel .btn:focus-visible {
  outline-color: var(--sv-deep);
}

/* ilustrações em azul sobre o branco */
.service-panel__art {
  color: var(--sv-deep);
}

.service-panel .art-volt {
  stroke: var(--sv-volt);
  filter: drop-shadow(0 0 3px rgb(21 109 220 / 0.45));
}

.service-panel .art-volt-bar {
  stroke: var(--sv-volt);
}

.service-panel .art-fill {
  fill: var(--sv-volt);
}

.service-panel .art-tint {
  fill: var(--sv-volt);
  opacity: 0.1;
}

/* pasta: verso e aba em branco-frio, sem número */
.service-doc__back {
  border-color: rgb(11 75 156 / 0.16);
  background: linear-gradient(180deg, #f3f6ff, #dfe7f8);
  box-shadow: 0 40px 80px -46px rgb(0 0 0 / 0.85);
}

.service-doc__tab {
  width: 5.5rem;
  height: 15px;
  padding: 0;
  border-color: rgb(11 75 156 / 0.16);
  background: #f3f6ff;
}

/* capa: branco-frio com linhas finas e o título em azul profundo */
.service-doc__cover {
  border-color: rgb(11 75 156 / 0.18);
  background:
    repeating-linear-gradient(0deg, rgb(11 75 156 / 0.045) 0 1px, transparent 1px 22px),
    radial-gradient(70% 70% at 85% 10%, rgb(21 109 220 / 0.12), transparent 70%),
    linear-gradient(160deg, #f7f9ff, var(--sv-frost) 70%);
  box-shadow: inset 0 1px 0 #fff;
}

.service-doc__cover-num {
  display: none;
}

.service-doc__cover-title {
  color: var(--sv-deep);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.8rem);
}

.service-doc__cover-line {
  height: 2px;
  background: linear-gradient(90deg, var(--sv-volt), transparent);
  box-shadow: 0 0 10px rgb(21 109 220 / 0.6);
}

/* pastas que recuam: escurecem só um pouco (profundidade sem sujar o branco) */
.service-doc__shade {
  background: #0a1426;
}

.services.is-pinned .service-doc__shade {
  opacity: min(0.5, calc(var(--recede, 0) * 0.24));
}

.services.is-pinned .service-doc.is-active .service-doc__sheet {
  border-color: rgb(21 109 220 / 0.35);
}

/* índice (sobre o fundo escuro): um ponto azul marca o serviço aberto, sem números */
.services__index-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--graphite);
  transition: background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.services__index button {
  align-items: center;
}

.services__index button[aria-current="true"] .services__index-dot {
  background: #cfe6ff;
  box-shadow: 0 0 0 3px rgb(29 143 240 / 0.2), 0 0 12px 2px rgb(29 143 240 / 0.8);
}

/* ao abrir, o título da capa some logo no começo (não aparece achatado durante o giro) */
.services.is-pinned .service-doc__cover-title,
.services.is-pinned .service-doc__cover-line {
  opacity: max(0, calc(1 - var(--open, 0) * 2.4));
}