/* =====================================================================
   História do RN para Concursos — Prof. Gil Silva
   Direção de design: "arquivo em movimento".
   Base tinta/marinho, ciano-marca como único acento de energia,
   pergaminho quente para os momentos de leitura/história.
   Assinatura: a LINHA DO TEMPO em ciano, espinha de toda a página.
   ===================================================================== */

:root {
  /* Base */
  --tinta: #0b1520;      /* fundo escuro — autoridade */
  --mar: #0e2438;        /* segundo escuro */
  --ciano: #50bbf1;      /* acento único — CTA, linha do tempo, ênfase */
  --ciano-forte: #7fd0f8;
  --pergaminho: #ece1cd; /* leitura / história */
  --pergaminho-2: #f3ecdd;
  --areia-tinta: #2a2013;/* texto sobre pergaminho */

  /* Texto sobre escuro */
  --claro: #f4f7fb;
  --brumada: #9db2c6;    /* secundário sobre escuro */
  --linha: rgba(157, 178, 198, 0.18);

  /* Tipografia */
  --display: "Archivo", system-ui, sans-serif;      /* títulos e anos */
  --corpo: "Inter", system-ui, sans-serif;

  /* Ritmo */
  --pad: clamp(1.25rem, 5vw, 6.5rem);
  --maxw: 1180px;
  --raio: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }

body {
  margin: 0;
  font-family: var(--corpo);
  background: var(--tinta);
  color: var(--claro);
  overflow-x: hidden;
  overflow-y: hidden; /* travado até o loader terminar */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.pronto { overflow-y: auto; }

img { max-width: 100%; display: block; }
a { color: inherit; }

/* Grão de filme — tira o "digital chapado" das superfícies */
.grao::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Botões ---------------------------------------------------------------*/
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.005em;
  line-height: 1;
  padding: 1.05rem 1.95rem;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.btn--primario {
  background: var(--ciano);
  color: #05121d;
  box-shadow: 0 10px 30px -8px rgba(80, 187, 241, 0.55);
}
.btn--primario:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(80, 187, 241, 0.7); }
.btn--fantasma {
  background: transparent;
  color: var(--claro);
  border: 1px solid var(--linha);
}
.btn--fantasma:hover { border-color: var(--ciano); color: var(--ciano); }
.btn--sm { padding: 0.7rem 1.25rem; font-size: 0.9rem; }

/* Eyebrow / kicker padrão ---------------------------------------------*/
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ciano);
  margin: 0 0 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--ciano);
}

/* =====================================================================
   HEADER — aparece depois da jornada; CTA persistente (conversão)
   ===================================================================== */
#topbar {
  position: fixed;
  top: 1rem;
  left: 0; right: 0;
  margin-inline: auto;
  z-index: 60;
  width: min(900px, calc(100% - 1.6rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.6rem 0.55rem 1.5rem;
  background: rgba(11, 21, 32, 0.74);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  box-shadow: 0 16px 46px -16px rgba(0, 0, 0, 0.65);
  transform: translateY(-200%);
  transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
#topbar.visivel { transform: translateY(0); }
#topbar .marca { width: 82px; height: auto; display: block; flex: none; }
#topbar .acoes { display: flex; align-items: center; gap: 0.55rem; }

/* botões de ícone (Instagram / WhatsApp) na paleta do site */
.btn-icone {
  width: 44px; height: 44px; flex: none;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--linha);
  background: rgba(255, 255, 255, 0.04);
  color: var(--claro);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.btn-icone svg { width: 19px; height: 19px; fill: currentColor; display: block; }
.btn-icone:hover {
  color: var(--ciano); border-color: var(--ciano);
  background: rgba(80, 187, 241, 0.14); transform: translateY(-1px);
}
.cta-header .rot-curto { display: none; }

/* =====================================================================
   0 · LOADER
   ===================================================================== */
#loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--tinta);
  transition: opacity 0.9s ease;
}
#loader.oculto { opacity: 0; pointer-events: none; }
.loader__inner { display: grid; justify-items: center; gap: 1.6rem; text-align: center; }

/* Mapa do RN se desenhando */
.rn-map { width: min(64vw, 480px); height: auto; overflow: visible; }
#rn-path {
  fill: none;
  stroke: var(--ciano);
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
  filter: drop-shadow(0 0 10px rgba(80, 187, 241, 0.35));
}
.rn-fill { fill: rgba(80, 187, 241, 0.06); opacity: 0; }
.rn-pin { opacity: 0; }
.rn-pin .dot { fill: var(--claro); }
.rn-pin[data-city="natal"] .dot { fill: var(--ciano); }
.rn-pin[data-city="mossoro"] .dot { fill: #ffd35b; }
.rn-pin .ring { fill: none; stroke-width: 2.5; transform-box: fill-box; transform-origin: center; }
.rn-pin[data-city="natal"] .ring { stroke: var(--ciano); }
.rn-pin[data-city="mossoro"] .ring { stroke: #ffd35b; }
.rn-pin .rotulo {
  font-family: var(--display); font-weight: 700; font-size: 26px;
  fill: var(--claro);
}
.rn-map.ativo .rn-pin .ring { animation: pulsar-pin 1.9s ease-out infinite; }
@keyframes pulsar-pin {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(2.4); opacity: 0; }
  100% { transform: scale(2.4); opacity: 0; }
}
.loader__label {
  font-size: 0.74rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--brumada); opacity: 0;
}

/* =====================================================================
   1 · JORNADA DOS ANOS  (pin + scrub)
   ===================================================================== */
#journey { position: relative; height: 640vh; }

.journey__pin {
  position: relative;
  height: 100vh; width: 100%;
  overflow: hidden;
  display: grid; place-items: center;
  /* gradiente de era controlado por JS (--c1 centro, --c2 borda) */
  background: radial-gradient(circle at 50% 40%, var(--c1, #e9d7b3), var(--c2, #a07f52));
  color: var(--fg, #2c2013);
  transition: color 0.2s linear;
}
/* vinheta suave por cima do gradiente */
.journey__pin::after {
  content: "";
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: radial-gradient(circle at 50% 42%, transparent 45%, rgba(0,0,0,0.28) 100%);
}

/* --- Número gigante (o correr dos anos) --- */
.journey__year {
  position: relative; z-index: 4;
  text-align: center;
  will-change: transform, opacity;
  opacity: 0;
}
.journey__year .era {
  display: block;
  font-size: clamp(0.72rem, 1.8vw, 0.9rem);
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  opacity: 0.7;
}
.journey__year .num {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(6rem, 24vw, 20rem);
  line-height: 0.86; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

/* --- Linha do tempo (assinatura) --- */
.timeline {
  position: absolute;
  left: var(--pad); right: var(--pad);
  bottom: clamp(2rem, 8vh, 4.5rem);
  z-index: 4;
  height: 1px;
  background: currentColor;
  opacity: 0.28;
}
.timeline__fill {
  position: absolute; left: 0; top: 0; height: 100%;
  width: 0%;
  background: var(--ciano);
  box-shadow: 0 0 10px var(--ciano);
}
.timeline__dot {
  position: absolute; top: 50%;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--ciano);
  box-shadow: 0 0 0 4px rgba(80,187,241,0.25), 0 0 14px var(--ciano);
  transform: translate(-50%, -50%);
  left: 0%;
}
.timeline__ends {
  position: absolute; left: 0; right: 0; top: 14px;
  display: flex; justify-content: space-between;
  font-family: var(--display); font-weight: 700;
  font-size: 0.8rem; letter-spacing: 0.05em; opacity: 0.55;
}

.journey__hint {
  position: absolute; bottom: clamp(4.5rem, 13vh, 7rem); left: 50%;
  transform: translateX(-50%); z-index: 4;
  font-size: 0.68rem; letter-spacing: 0.32em; text-transform: uppercase;
  opacity: 0.6; transition: opacity 0.4s ease;
}

/* --- Aterrissagem --- */
#aterrissagem {
  position: absolute; inset: 0; z-index: 6;
  display: grid; place-items: center;
  padding: var(--pad); text-align: center;
  background: radial-gradient(circle at 50% 35%, #123253, var(--tinta) 78%);
  opacity: 0; pointer-events: none;
}
.aterr__inner { display: grid; justify-items: center; gap: 1.5rem; max-width: 940px; }
.aterr__logo { width: min(48vw, 190px); }
.aterr__titulo {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 5rem); line-height: 1.0; letter-spacing: -0.025em;
  margin: 0; color: var(--claro);
}
.aterr__titulo .acento { color: var(--ciano); }
.aterr__sub { font-size: clamp(1rem, 2.3vw, 1.3rem); color: var(--brumada); margin: 0; max-width: 40ch; }
.aterr__cue { margin-top: 0.5rem; font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--brumada); opacity: 0.7; }

/* =====================================================================
   SEÇÕES — base
   ===================================================================== */
.sec { position: relative; padding: clamp(5rem, 13vh, 9rem) var(--pad); overflow: hidden; }
.sec__wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; position: relative; z-index: 3; }
.sec--tinta { background: var(--tinta); color: var(--claro); }
.sec--mar { background: linear-gradient(180deg, var(--mar), var(--tinta)); color: var(--claro); }
.sec--pergaminho { background: var(--pergaminho); color: var(--areia-tinta); }
.sec--pergaminho .eyebrow { color: #b06a2c; }
.sec--pergaminho .eyebrow::before { background: #b06a2c; }

.h-sec {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem); line-height: 1.06; letter-spacing: -0.02em;
  margin: 0 0 1.3rem; max-width: 22ch;
}
.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.6; max-width: 56ch; opacity: 0.9; margin: 0; }

/* Reveal no scroll */
.reveal { opacity: 0; transform: translateY(28px); }

/* --- Seção: Contexto (a dor) --- */
.ctx-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.ctx-marks { display: grid; gap: 1rem; }
.ctx-mark {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1rem 1.2rem; border: 1px solid var(--linha); border-radius: var(--raio);
  background: rgba(255,255,255,0.02);
}
.ctx-mark b { font-family: var(--display); color: var(--ciano); font-size: 1.05rem; }
.ctx-mark span { color: var(--brumada); font-size: 0.98rem; }

/* --- Seção: Conteúdo em carrossel VERTICAL (linha do tempo que desce) --- */
/* Cards deslizam para baixo sozinhos; rail ciano à esquerda marca a posição.
   Arraste vertical (mouse/toque) via Pointer Events. Sem lib. */
.carrossel {
  --card-h: clamp(176px, 23vw, 208px);
  margin-top: clamp(2.4rem, 5vw, 3.6rem);
  display: grid; grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 3vw, 1.8rem); align-items: stretch;
}

/* Rail vertical — a espinha (assinatura) com marcadores clicáveis */
.carrossel__rail {
  position: relative; display: flex; flex-direction: column;
  align-items: center; justify-content: space-between; padding: 10px 4px;
}
.carrossel__rail::before {
  content: ""; position: absolute; top: 10px; bottom: 10px; width: 2px;
  background: rgba(42,32,19,0.16);
}
.carrossel__tick {
  position: relative; z-index: 1; width: 12px; height: 12px; padding: 0; cursor: pointer;
  border: 2px solid rgba(42,32,19,0.3); border-radius: 50%; background: var(--pergaminho);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.carrossel__tick:hover { border-color: #b06a2c; }
.carrossel__tick.ativo {
  border-color: #b06a2c; background: #b06a2c;
  box-shadow: 0 0 0 4px rgba(176,106,44,0.22); transform: scale(1.2);
}
.carrossel__tick:focus-visible { outline: 2px solid #b06a2c; outline-offset: 3px; }

/* Palco (viewport de um card) */
.carrossel__palco {
  position: relative; height: var(--card-h); overflow: hidden;
  cursor: grab; touch-action: none; user-select: none;
}
.carrossel__palco:active { cursor: grabbing; }
.carrossel__trilho {
  display: flex; flex-direction: column;
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1); will-change: transform;
}
.slide { flex: 0 0 var(--card-h); height: var(--card-h); box-sizing: border-box; padding: 6px 4px; }
.slide__card {
  position: relative; overflow: hidden; height: 100%;
  background: linear-gradient(150deg, #f6efe0, #eadfca);
  border: 1px solid rgba(42,32,19,0.12); border-left: 3px solid #b06a2c;
  border-radius: 16px; padding: clamp(1.4rem, 3.5vw, 2.2rem);
  display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center;
  gap: clamp(1.1rem, 3vw, 1.8rem);
  box-shadow: 0 16px 32px -26px rgba(42,32,19,0.4);
}
.slide__idx {
  position: absolute; top: -0.4rem; right: 0.4rem;
  font-family: var(--display); font-weight: 800; line-height: 1;
  font-size: clamp(3.4rem, 9vw, 5rem); color: rgba(42,32,19,0.06); pointer-events: none;
}
.slide__icone {
  flex: none; width: clamp(52px, 12vw, 66px); height: clamp(52px, 12vw, 66px);
  display: grid; place-items: center; border-radius: 50%;
  background: rgba(176,106,44,0.1); border: 1px solid rgba(176,106,44,0.3);
}
.slide__icone svg { width: 52%; height: 52%; }
.slide__icone svg :is(path, rect, circle, line) {
  fill: none; stroke: #b06a2c; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.slide__conteudo { display: grid; gap: 0.4rem; }
.slide__tag {
  justify-self: start; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: #b06a2c;
  border: 1px solid rgba(176,106,44,0.45); padding: 0.3rem 0.6rem; border-radius: 999px;
}
.slide__titulo { font-family: var(--display); font-weight: 800; font-size: clamp(1.3rem, 3.2vw, 1.9rem); line-height: 1.06; margin: 0.15rem 0 0; }
.slide__desc { margin: 0; font-size: clamp(0.95rem, 1.7vw, 1.08rem); line-height: 1.45; color: rgba(42,32,19,0.72); max-width: 46ch; }

.carrossel__barra {
  position: absolute; left: 6px; bottom: 6px; height: 3px; width: calc(100% - 12px);
  border-radius: 3px; background: #b06a2c; opacity: 0.8;
  transform: scaleX(0); transform-origin: left; pointer-events: none;
}
.carrossel__arrasta {
  position: absolute; right: 14px; bottom: 14px;
  font-size: 0.58rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(42,32,19,0.35); pointer-events: none;
}

/* --- Seção: Editais (payoff dos anos) --- */
/* Topo: texto + mapa do RN se desenhando em loop */
.edi-topo {
  display: grid; grid-template-columns: 1fr auto; gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}
.edi-mapa { justify-self: center; width: clamp(180px, 26vw, 300px); }
.rn-desenho { width: 100%; height: auto; display: block; overflow: visible; }
.rn-desenho__fill { fill: var(--ciano); opacity: 0.06; }
.rn-desenho__linha {
  fill: none; stroke: var(--ciano); stroke-width: 3;
  stroke-linejoin: round; stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(80,187,241,0.45));
}

.edi-list { margin-top: 2.6rem; border-top: 1px solid var(--linha); }
.edi-row {
  display: grid; grid-template-columns: 130px 1fr; gap: clamp(1rem, 4vw, 3rem);
  align-items: baseline; padding: 1.5rem 0; border-bottom: 1px solid var(--linha);
  transition: padding-left 0.3s ease, background 0.3s ease;
}
.edi-row:hover { padding-left: 0.6rem; }
.edi-ano { font-family: var(--display); font-weight: 800; font-size: clamp(1.4rem, 3vw, 2rem); color: var(--ciano); letter-spacing: -0.02em; }
.edi-tema h3 { font-family: var(--display); font-weight: 700; font-size: 1.2rem; margin: 0 0 0.35rem; }
.edi-tema p { margin: 0; color: var(--brumada); font-size: 0.98rem; line-height: 1.5; max-width: 60ch; }

/* Lista de temas do edital */
.edi-intro { margin: 0; }
.temas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 2.2rem; margin-top: clamp(2.4rem, 5vw, 3.4rem); }
.tema {
  position: relative;
  display: flex; gap: 0.8rem; align-items: flex-start;
  padding: 0.9rem 0; border-bottom: 1px solid var(--linha);
  color: var(--claro); line-height: 1.45;
}
.tema::before {
  content: ""; flex: none; margin-top: 0.35em;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ciano); box-shadow: 0 0 10px var(--ciano);
}
/* linha ciano que varre por baixo de cada tema (chamada de atenção) */
.tema::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: linear-gradient(90deg, var(--ciano), rgba(80,187,241,0));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.tema.tema--on::after { transform: scaleX(1); }
.edi-fecho { margin: 2.4rem 0 0; color: var(--brumada); max-width: 60ch; }

/* --- Seção: Professor --- */
.prof-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.prof-fotos { position: relative; }
.prof-fotos .principal {
  width: 100%; border-radius: var(--raio);
  filter: saturate(1.02) contrast(1.02);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.6);
}
.prof-fotos .selo {
  position: absolute; right: -14px; bottom: 26px;
  background: var(--ciano); color: #05121d;
  font-family: var(--display); font-weight: 800; font-size: 0.95rem;
  padding: 0.8rem 1.1rem; border-radius: 12px; line-height: 1.1; text-align: center;
  box-shadow: 0 16px 40px -12px rgba(80,187,241,0.6);
}
.prof-fotos .selo small { display: block; font-family: var(--corpo); font-weight: 500; font-size: 0.7rem; opacity: 0.8; }
.prof-lista { display: grid; gap: 0.9rem; margin: 1.8rem 0 0; padding: 0; list-style: none; }
.prof-lista li { display: flex; gap: 0.8rem; align-items: flex-start; color: var(--brumada); }
.prof-lista li::before { content: "—"; color: var(--ciano); }

/* --- Seção: Diferenciais → contraste "comum → neste curso" --- */
.contraste { margin-top: clamp(2.4rem, 5vw, 3.6rem); }
.contraste__cab {
  display: grid; grid-template-columns: 1fr 60px 1fr; gap: clamp(1rem, 3vw, 2.4rem);
  padding-bottom: 0.9rem;
}
.contraste__lab { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; }
.contraste__lab--a { grid-column: 1; color: rgba(42,32,19,0.5); }
.contraste__lab--b { grid-column: 3; color: #b06a2c; }
.contraste__linha {
  display: grid; grid-template-columns: 1fr 60px 1fr; gap: clamp(1rem, 3vw, 2.4rem);
  align-items: center; padding: 1.4rem 0; border-top: 1px solid rgba(42,32,19,0.14);
}
.contraste__linha:last-child { border-bottom: 1px solid rgba(42,32,19,0.14); }
.contraste__de {
  margin: 0; font-size: 1rem; line-height: 1.5; color: rgba(42,32,19,0.5);
  text-decoration: line-through; text-decoration-color: rgba(42,32,19,0.3);
}
.contraste__seta { position: relative; display: flex; align-items: center; justify-content: center; }
.contraste__seta svg { width: 100%; height: 12px; overflow: visible; }
.contraste__seta path { fill: none; stroke: #b06a2c; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
/* ponto de "fluxo" percorrendo a seta, do hábito comum até a vantagem */
.contraste__seta::after {
  content: ""; position: absolute; top: 50%; left: 2px; width: 6px; height: 6px; margin-top: -3px;
  border-radius: 50%; background: #b06a2c; box-shadow: 0 0 8px rgba(176,106,44,0.7);
  animation: contrasteFluxo 2.4s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}
@keyframes contrasteFluxo {
  0%, 12% { transform: translateX(0); opacity: 0; }
  28% { opacity: 1; }
  72% { opacity: 1; }
  100% { transform: translateX(46px); opacity: 0; }
}
@keyframes contrasteFluxoV {
  0%, 12% { transform: translateY(-12px); opacity: 0; }
  28% { opacity: 1; }
  72% { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}
.contraste__para { margin: 0; font-size: clamp(1.02rem, 1.7vw, 1.18rem); line-height: 1.5; color: var(--areia-tinta); }
.contraste__para b { display: block; font-family: var(--display); font-weight: 800; color: #a35f28; margin-bottom: 0.15rem; }

/* (mantido: estilos legados dos cards, caso reutilizados) */
.dif-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; margin-top: 2.6rem; }
.dif-card {
  padding: 1.9rem; border-radius: var(--raio);
  background: rgba(255,255,255,0.5); border: 1px solid rgba(42,32,19,0.12);
}
.dif-card .n { font-family: var(--display); font-weight: 800; font-size: 1.1rem; color: #b06a2c; }
.dif-card h3 { font-family: var(--display); font-weight: 700; font-size: 1.25rem; margin: 0.4rem 0 0.5rem; }
.dif-card p { margin: 0; opacity: 0.82; line-height: 1.55; }

/* --- Seção: Oferta / CTA --- */
#oferta { background: radial-gradient(circle at 50% 20%, #123a5f, var(--tinta) 75%); text-align: center; }
@property --beam-ang {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
.ofr-card {
  position: relative; isolation: isolate;
  max-width: 620px; margin: 2.4rem auto 0;
  background: rgba(255,255,255,0.04); border: 1px solid var(--linha);
  border-radius: 20px; padding: clamp(2rem, 5vw, 3.2rem);
  display: grid; gap: 1rem; justify-items: center;
}
/* luz percorrendo a borda: cônico girando, recortado só no anel de 1.5px */
.ofr-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border-radius: inherit; padding: 1.5px;
  background: conic-gradient(from var(--beam-ang),
    transparent 0deg, transparent 250deg,
    rgba(80,187,241,0.15) 300deg, var(--ciano) 342deg,
    #d6f0ff 352deg, var(--ciano) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: beamGirar 4.5s linear infinite;
  pointer-events: none;
}
@keyframes beamGirar { to { --beam-ang: 360deg; } }
.ofr-de { color: var(--brumada); text-decoration: line-through; font-size: 1.1rem; }
.ofr-por { font-family: var(--display); font-weight: 800; line-height: 1; display: flex; align-items: baseline; justify-content: center; gap: 0.25em; white-space: nowrap; }
.ofr-por .x { font-size: clamp(2.2rem, 7vw, 3.6rem); }
.ofr-por .v { color: var(--ciano); font-size: clamp(3rem, 11vw, 5.4rem); letter-spacing: -0.03em; }
.ofr-avista { color: var(--brumada); }
.ofr-nota { font-size: 0.82rem; color: var(--brumada); opacity: 0.8; margin-top: 0.4rem; }

/* --- Rodapé --- */
#rodape { background: var(--tinta); color: var(--claro); padding-block: clamp(3rem, 8vh, 5rem); }
.ft-grid { display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; justify-content: space-between; }
.ft-logo { height: 42px; width: auto; }
.ft-links { display: flex; gap: 1.8rem; flex-wrap: wrap; }
.ft-links a { color: var(--brumada); text-decoration: none; display: inline-flex; gap: 0.5rem; align-items: center; transition: color 0.2s; }
.ft-links a:hover { color: var(--ciano); }
.ft-copy { width: 100%; color: var(--brumada); opacity: 0.6; font-size: 0.82rem; border-top: 1px solid var(--linha); padding-top: 1.5rem; }
.ft-dev { width: 100%; font-size: 0.8rem; color: var(--brumada); opacity: 0.75; }
.ft-dev a { color: var(--ciano); text-decoration: none; font-weight: 600; }
.ft-dev a:hover { text-decoration: underline; }

/* =====================================================================
   RESPONSIVO
   ===================================================================== */
@media (max-width: 860px) {
  .ctx-grid, .prof-grid { grid-template-columns: 1fr; }
  .dif-grid { grid-template-columns: 1fr; }
  .temas-grid { grid-template-columns: 1fr; }

  /* Carrossel vertical: marcadores um pouco maiores para o toque */
  .carrossel__tick { width: 14px; height: 14px; }

  /* Editais: texto em cima, mapa embaixo, centralizado */
  .edi-topo { grid-template-columns: 1fr; gap: 1.8rem; }
  .edi-mapa { width: clamp(170px, 56vw, 250px); order: 2; }

  /* Contraste: empilha "de" → seta ↓ → "para" */
  .contraste__cab { display: none; }
  .contraste__linha { grid-template-columns: 1fr; gap: 0.55rem; text-align: left; }
  .contraste__seta { justify-content: flex-start; }
  .contraste__seta svg { width: 26px; transform: rotate(90deg); }
  .contraste__seta::after { left: 10px; animation-name: contrasteFluxoV; }
  .edi-row { grid-template-columns: 84px 1fr; gap: 1rem; }
  .prof-fotos .selo { right: 10px; }

  /* header compacto — todos os botões visíveis no mobile */
  #topbar { top: 0.75rem; padding: 0.42rem 0.45rem 0.42rem 1rem; gap: 0.6rem; }
  #topbar .marca { width: 62px; }
  #topbar .acoes { gap: 0.4rem; }
  .btn-icone { width: 38px; height: 38px; }
  .btn-icone svg { width: 16px; height: 16px; }
  #topbar .btn--sm { padding: 0.6rem 0.9rem; font-size: 0.85rem; white-space: nowrap; }
  .cta-header .rot-full { display: none; }
  .cta-header .rot-curto { display: inline; }
}

@media (max-width: 400px) {
  #topbar { padding: 0.38rem 0.4rem 0.38rem 0.8rem; gap: 0.45rem; }
  #topbar .marca { width: 52px; }
  #topbar .acoes { gap: 0.32rem; }
  .btn-icone { width: 34px; height: 34px; }
  .btn-icone svg { width: 15px; height: 15px; }
  #topbar .btn--sm { padding: 0.55rem 0.78rem; font-size: 0.8rem; }
}

/* =====================================================================
   MENOS MOVIMENTO
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .carrossel__trilho { transition: none !important; }
  .contraste__seta::after { animation: none !important; opacity: 0 !important; }
  .tema::after { display: none !important; }
  .ofr-card::before { animation: none !important; }
  * { scroll-behavior: auto !important; }
}