/* =====================================================================
   REDES SOCIAIS · Yan Tattoo
   Tudo é guiado por uma única variável: --p (0 = fechado, 1 = aberto).
   O JS só atualiza --p; o CSS decide o que cada camada faz com ela.
   ===================================================================== */

.rs {
  --rs-night: #050508;
  --rs-blood: #b3121b;
  --rs-ember: #ff5a1f;
  --rs-flare: #ffcfa0;
  --rs-bone: #efe4cf;
  --rs-font: "Cinzel", "Trajan Pro", Georgia, "Times New Roman", serif;
  --rs-ui-y: 80%;
  --p: 0;

  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--rs-night);
  color: var(--rs-bone);
  font-family: var(--rs-font);
}

.rs *,
.rs *::before,
.rs *::after { box-sizing: border-box; }

.rs-sr {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------------------------------------------------------------------
   CAMADA DE BAIXO · cenário dos sinalizadores + cards
   --------------------------------------------------------------------- */
.rs-stage {
  position: relative;
  z-index: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
}

.rs-stage__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  /* "empurra" o cenário para frente conforme a muralha abre */
  transform: scale(calc(1.14 - var(--p) * 0.14));
}
.rs-stage__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
  animation: rs-kenburns 38s ease-in-out infinite alternate;
}
@keyframes rs-kenburns {
  from { transform: scale(1) translate3d(0, 0, 0); }
  to   { transform: scale(1.08) translate3d(-1.2%, -1%, 0); }
}

.rs-embers {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.rs-stage__shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 55% at 50% 58%, rgba(5, 5, 8, 0.55), transparent 70%),
    linear-gradient(to bottom, rgba(5, 5, 8, 0.75), transparent 22%, transparent 72%, rgba(5, 5, 8, 0.95));
}

/* escuridão que se dissipa ao abrir */
.rs-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background: #000;
  opacity: calc((1 - var(--p)) * 0.6);
}

.rs-stage__content {
  position: relative;
  z-index: 3;
  width: min(1180px, 100%);
  padding: clamp(28px, 5vh, 80px) clamp(16px, 4vw, 48px) clamp(56px, 8vh, 96px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 3vh, 36px);
}

.rs-title {
  --q: clamp(0, calc((var(--p) - 0.15) * 2), 1);
  margin: 0;
  outline: none;
  opacity: var(--q);
  transform: translateY(calc((1 - var(--q)) * -36px));
}
.rs-title img {
  display: block;
  width: min(620px, 88vw, 58vh);
  height: auto;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.75));
  animation: rs-float-title 5.5s ease-in-out infinite;
}
@keyframes rs-float-title {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

/* ---- cards ---- */
.rs-cards {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(16px, 3.2vw, 48px);
}

.rs-card {
  /* cada card "dispara" na sua vez: o do meio primeiro, depois os lados */
  --q: clamp(0, calc((var(--p) - 0.18 - var(--d, 0)) * 2.2), 1);
  width: min(270px, 21vw, 33vh);
  opacity: var(--q);
  transform: translateY(calc((1 - var(--q)) * 90px)) scale(calc(0.92 + var(--q) * 0.08));
}
.rs-card--featured { width: min(315px, 25vw, 38vh); }

.rs-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  /* flutuação sutil, cada card num tempo diferente */
  animation: rs-float 6s ease-in-out infinite;
  animation-delay: calc(var(--n, 0) * -2s);
}
@keyframes rs-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

.rs-card__art {
  position: relative;
  display: block;
  aspect-ratio: 720 / 1086;
  transform:
    perspective(1000px)
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg))
    translateY(var(--lift, 0px));
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.35s ease;
  filter:
    drop-shadow(0 0 18px rgba(179, 18, 27, 0.4))
    drop-shadow(0 18px 26px rgba(0, 0, 0, 0.85));
}
.rs-card--featured .rs-card__art {
  filter:
    drop-shadow(0 0 30px rgba(255, 70, 30, 0.45))
    drop-shadow(0 22px 30px rgba(0, 0, 0, 0.9));
}

/* foto real do Yan por baixo da moldura: a janela vem das variáveis --wt/--wl/--ww/--wh */
.rs-card__photo {
  position: absolute;
  top: calc(var(--wt) - 2%);
  left: calc(var(--wl) - 2%);
  width: calc(var(--ww) + 4%);
  height: calc(var(--wh) + 4%);
  object-fit: cover;
  object-position: 50% 28%;
  display: block;
}
.rs-card__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* brilho que atravessa os três cards em sequência e some; repete a cada 7 s */
.rs-card__shine {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  mix-blend-mode: screen;
}
.rs-card__shine::before {
  content: "";
  position: absolute;
  top: -15%;
  bottom: -15%;
  left: 0;
  width: 100%;
  background: linear-gradient(100deg,
    transparent 22%,
    rgba(255, 214, 170, 0.05) 32%,
    rgba(255, 238, 215, 0.42) 44%,
    rgba(255, 170, 110, 0.06) 54%,
    transparent 60%,
    rgba(255, 230, 200, 0.22) 66%,
    transparent 72%);
  opacity: 0;
  transform: translateX(-170%) skewX(-14deg);
}
.rs.is-open .rs-card__shine::before {
  animation: rs-shine 7s cubic-bezier(0.45, 0.05, 0.3, 1) infinite;
  animation-delay: calc(0.5s + var(--n, 0) * 0.34s);
}
@keyframes rs-shine {
  0%        { transform: translateX(-170%) skewX(-14deg); opacity: 0; }
  3%        { opacity: 1; }
  19%       { transform: translateX(170%) skewX(-14deg); opacity: 1; }
  20%, 100% { transform: translateX(170%) skewX(-14deg); opacity: 0; }
}

@media (hover: hover) and (pointer: fine) {
  .rs-card__link:hover .rs-card__art {
    --lift: -10px;
    filter:
      drop-shadow(0 0 34px rgba(255, 70, 30, 0.65))
      drop-shadow(0 26px 34px rgba(0, 0, 0, 0.9));
  }
}
.rs-card__link:focus-visible .rs-card__art {
  --lift: -10px;
  outline: 2px solid var(--rs-bone);
  outline-offset: 6px;
}

.rs-swipe { display: none; }

.rs-replay {
  position: absolute;
  z-index: 5;
  right: clamp(14px, 3vw, 36px);
  bottom: clamp(14px, 3vh, 32px);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.7em 1.2em;
  border: 1px solid rgba(239, 228, 207, 0.35);
  background: rgba(5, 5, 8, 0.6);
  color: var(--rs-bone);
  font: 700 0.7rem/1 var(--rs-font);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, border-color 0.3s ease, background 0.3s ease;
}
.rs-replay svg { width: 16px; height: 16px; }
.rs.is-open .rs-replay { opacity: 1; pointer-events: auto; transition-delay: 0.6s, 0s, 0s; }
.rs-replay:hover { border-color: var(--rs-bone); background: rgba(179, 18, 27, 0.55); }
.rs-replay:focus-visible { outline: 2px solid var(--rs-bone); outline-offset: 3px; }

/* ---------------------------------------------------------------------
   CAMADA DE CIMA · a arte dos titãs que se parte ao meio
   --------------------------------------------------------------------- */
.rs-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: grab;
  touch-action: pan-y;          /* rolagem vertical continua livre no celular */
  user-select: none;
  -webkit-user-select: none;
}
.rs-cover.is-dragging { cursor: grabbing; }
.rs.is-open .rs-cover { visibility: hidden; pointer-events: none; }

/* luz vermelha que vaza pela fenda */
.rs-rift {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: calc(12px + var(--p) * 80vw);
  transform: translateX(-50%);
  pointer-events: none;
  background: radial-gradient(ellipse 50% 60% at 50% 50%,
    rgba(255, 110, 50, 0.55), rgba(179, 18, 27, 0.28) 45%, transparent 75%);
  opacity: calc(var(--p) * (1 - var(--p)) * 2.4 + (1 - var(--p)) * 0.3);
}

.rs-half {
  position: absolute;
  inset: 0;
  pointer-events: none;
  will-change: transform;
}
.rs-half--l {
  transform-origin: 0% 50%;
  transform: translate3d(calc(var(--p) * -58%), 0, 0) rotate(calc(var(--p) * -2.5deg)) scale(calc(1 + var(--p) * 0.1));
}
.rs-half--r {
  transform-origin: 100% 50%;
  transform: translate3d(calc(var(--p) * 58%), 0, 0) rotate(calc(var(--p) * 2.5deg)) scale(calc(1 + var(--p) * 0.1));
}

.rs-half__inner {
  position: absolute;
  inset: 0;
  animation: rs-breathe-l 4.4s ease-in-out infinite;
}
.rs-half--r .rs-half__inner { animation-name: rs-breathe-r; }
.rs.is-active .rs-half__inner { animation: none; }

/* a fenda "respira": abre alguns pixels e fecha, convidando a puxar */
@keyframes rs-breathe-l {
  0%, 58%, 100% { transform: translateX(0); }
  70%           { transform: translateX(-11px); }
  82%           { transform: translateX(-3px); }
  90%           { transform: translateX(-7px); }
}
@keyframes rs-breathe-r {
  0%, 58%, 100% { transform: translateX(0); }
  70%           { transform: translateX(11px); }
  82%           { transform: translateX(3px); }
  90%           { transform: translateX(7px); }
}

.rs-half__img {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(5, 5, 8, 0.92) 0%, rgba(5, 5, 8, 0.55) 20%, transparent 42%),
    linear-gradient(to bottom, rgba(5, 5, 8, 0.45), transparent 18%);
  /* clip-path do corte é aplicado pelo JS (mesmos pontos nas duas metades) */
}

/* A capa é a imagem mais pesada da seção e fica atrás do portão: só baixa quando
   .rs-perto entra, pouco antes da seção chegar (armadilha 14). Até lá as duas
   metades são só os gradientes escuros, que é o que se vê mesmo de longe. */
.rs-perto .rs-half__img {
  background:
    linear-gradient(to top, rgba(5, 5, 8, 0.92) 0%, rgba(5, 5, 8, 0.55) 20%, transparent 42%),
    linear-gradient(to bottom, rgba(5, 5, 8, 0.45), transparent 18%),
    url("../assets/redes-sociais/capa-titas.webp") 50% 45% / cover no-repeat;
}

.rs-seam {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  opacity: calc(0.75 + var(--p) * 0.25);
  animation: rs-seam-pulse 2.2s ease-in-out infinite;
}
.rs-seam polyline {
  fill: none;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
}
.rs-seam .s1 { stroke: rgba(255, 60, 20, 0.14); stroke-width: 22; }
.rs-seam .s2 { stroke: rgba(255, 80, 30, 0.35); stroke-width: 8; }
.rs-seam .s3 { stroke: var(--rs-flare); stroke-width: 1.6; }
@keyframes rs-seam-pulse {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.45); }
}
.rs.is-active .rs-seam { animation: none; }

.rs-headline {
  position: absolute;
  top: var(--rs-ui-y);
  margin: 0;
  transform: translateY(-50%);
  font-size: clamp(1.05rem, 3.1vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.04em;
  color: var(--rs-bone);
  text-shadow:
    0 2px 0 #000,
    0 0 18px rgba(0, 0, 0, 0.95),
    0 0 42px rgba(179, 18, 27, 0.45);
  white-space: nowrap;
}
/* Uma linha por metade. Em duas linhas a leitura cruza a fenda e sai
   "O que se / alem da — esconde / muralha?", que nao quer dizer nada. */
.rs-headline { white-space: nowrap; }
.rs-headline span { display: inline; }
.rs-headline--l { right: calc(50% + clamp(18px, 2vw, 30px)); text-align: right; }
.rs-headline--r { left: calc(50% + clamp(18px, 2vw, 30px)); text-align: left; }

/* ---- botão de abrir (arte pronta em assets/botao-arraste.webp) ---- */
.rs-grip {
  position: absolute;
  top: calc(var(--rs-ui-y) + clamp(58px, 8vh, 82px));
  left: 50%;
  z-index: 2;
  width: clamp(300px, 30vw, 440px);
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  opacity: clamp(0, calc(1 - var(--p) * 5), 1);
  transform: translate(-50%, -50%);
  -webkit-tap-highlight-color: transparent;
}
.rs-grip img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.75));
  animation: rs-grip-glow 2.6s ease-in-out infinite;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.rs-grip:hover img { transform: scale(1.035); }
.rs-grip:focus-visible { outline: none; }
.rs-grip:focus-visible img { outline: 2px solid var(--rs-bone); outline-offset: 6px; }
.rs.is-active .rs-grip img { animation: none; }

/* brilho vermelho pulsando em volta do botão, convidando a interagir */
@keyframes rs-grip-glow {
  0%, 100% { filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.75)) drop-shadow(0 0 0 rgba(255, 50, 30, 0)); }
  50%      { filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.75)) drop-shadow(0 0 16px rgba(255, 50, 30, 0.55)); }
}

/* ---------------------------------------------------------------------
   CELULAR
   --------------------------------------------------------------------- */
@media (max-width: 760px) {
  .rs { --rs-ui-y: 74%; }

  .rs-stage__bg img { object-position: 88% 50%; }   /* mostra o gigante no vapor */

  /* arte vertical da capa, feita para a tela do celular */
  .rs-perto .rs-half__img {
    background:
      linear-gradient(to top, rgba(5, 5, 8, 0.92) 0%, rgba(5, 5, 8, 0.55) 20%, transparent 42%),
      linear-gradient(to bottom, rgba(5, 5, 8, 0.45), transparent 18%),
      url("../assets/redes-sociais/capa-titas-mobile.webp") 50% 15% / cover no-repeat;
  }

  .rs-stage__content { padding-left: 0; padding-right: 0; }

  /* cards em leque: o do centro na frente, os outros dois inclinados atrás */
  .rs-cards {
    display: block;
    width: 100%;
    height: calc(55vw * 1.508 + 7vw);
    margin-top: 4px;
    touch-action: pan-y;
  }
  .rs-card,
  .rs-card--featured {
    --fx: 0vw;
    --fy: 0vw;
    --fr: 0deg;
    --fs: 1;
    position: absolute;
    top: 0;
    left: 50%;
    width: 55vw;
    transform-origin: 50% 100%;
    transform:
      translateX(calc(-50% + var(--fx)))
      translateY(calc(var(--fy) + (1 - var(--q)) * 90px))
      rotate(var(--fr))
      scale(calc(var(--fs) * (0.92 + var(--q) * 0.08)));
  }
  .rs.is-open .rs-card {
    transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.55s ease;
  }
  .rs-card[data-pos="0"]  { z-index: 3; }
  .rs-card[data-pos="-1"],
  .rs-card[data-pos="1"]  { z-index: 2; --fs: 0.84; --fy: 3vw; filter: brightness(0.62); }
  .rs-card[data-pos="-1"] { --fx: -19vw; --fr: -8deg; }
  .rs-card[data-pos="1"]  { --fx: 19vw;  --fr: 8deg; }

  .rs-swipe {
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: calc(var(--p) * 0.75);
  }

  .rs-headline { font-size: clamp(.62rem, 3.3vw, 1rem); }
  .rs-headline--l { right: calc(50% + 14px); }
  .rs-headline--r { left: calc(50% + 14px); }
  .rs-grip { width: min(86vw, 360px); top: calc(var(--rs-ui-y) + 62px); }
  .rs-replay { bottom: 12px; right: 12px; }
}

/* ---------------------------------------------------------------------
   MOVIMENTO REDUZIDO
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .rs-stage__bg img,
  .rs-half__inner,
  .rs-seam,
  .rs-grip img,
  .rs-title img,
  .rs-card__link,
  .rs-card__shine::before { animation: none !important; }
  .rs-card__art,
  .rs.is-open .rs-card { transition: none; }
}