/* Tarvus — landing (capa) do apex tarvus.com.br
   Paleta da marca (tokens do app): verde-escuro #0F2419 · dourado #CCAF75 · dourado-apoio #B8963E
   Sem JavaScript — todo o "movimento" é CSS. Respeita prefers-reduced-motion. */

:root {
  --verde-escuro: #0F2419;
  --verde: #1A2E1F;
  --dourado: #CCAF75;
  --dourado-apoio: #B8963E;
  --creme: #F5F2EC;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--creme);
  /* Estende o FUNDO da logo: mesmo vignette teal da arte (centro #002423 → borda #001817),
     continuando por toda a tela. A logo (com relevo) mantém tamanho; só o fundo se estende. */
  background-color: #001414;
  background-image:
    radial-gradient(620px 620px at 50% 43%,
      #002322 0%, #001d1c 44%, #001817 66%, #001414 100%);
  overflow: hidden;
}

/* acessibilidade: h1 só pra leitor de tela / SEO */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.palco {
  position: relative;
  margin: auto;
  width: 100%;
  max-width: 640px;
  padding: 6vh 24px calc(6vh + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* brilho dourado que pulsa atrás da logo */
.halo {
  display: none; /* sem halo dourado: campo de verde único */
  position: absolute;
  top: 40%;
  left: 50%;
  width: min(86vw, 560px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 50% 50%,
    rgba(204, 175, 117, 0.30) 0%,
    rgba(204, 175, 117, 0.12) 32%,
    rgba(184, 150, 62, 0.05) 52%,
    transparent 70%);
  filter: blur(8px);
  z-index: 0;
  pointer-events: none;
  animation: pulsar 7s ease-in-out infinite;
}

/* entrada + flutuação suave da logo (wrap = entrada, img = flutua) */
.hero-wrap {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  animation: surgir 1.25s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero {
  display: block;
  width: min(74vw, 400px);
  height: auto;
  /* esfuma bem além do conteúdo: a borda quadrada dissolve no vignette da página
     (que tem a mesma cor), então o "quadrado" some e o fundo parece contínuo. */
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 54%, transparent 90%);
  mask-image: radial-gradient(circle at 50% 50%, #000 54%, transparent 90%);
  animation: flutuar 6.5s ease-in-out 1.2s infinite;
}

/* botão Entrar */
.cta {
  position: relative;
  z-index: 1;
  margin-top: clamp(8px, 3vh, 28px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: #0c2018;
  background: linear-gradient(135deg, #e0c489 0%, var(--dourado) 45%, var(--dourado-apoio) 100%);
  box-shadow:
    0 12px 30px rgba(184, 150, 62, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  opacity: 0;
  transform: translateY(10px);
  animation: surgir 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 18px 40px rgba(184, 150, 62, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  filter: brightness(1.04);
  outline: none;
}

.cta:focus-visible { box-shadow: 0 0 0 3px rgba(204, 175, 117, 0.55), 0 18px 40px rgba(184, 150, 62, 0.42); }

.cta-seta { transition: transform 0.25s ease; }
.cta:hover .cta-seta,
.cta:focus-visible .cta-seta { transform: translateX(4px); }

/* ---- keyframes ---- */
@keyframes surgir {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes flutuar {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes pulsar {
  0%, 100% { opacity: 0.7;  transform: translate(-50%, -50%) scale(0.97); }
  50%      { opacity: 1;    transform: translate(-50%, -50%) scale(1.06); }
}

/* respeita quem desativa animações */
@media (prefers-reduced-motion: reduce) {
  .hero-wrap, .cta, .rodape { opacity: 1; transform: none; animation: none; }
  .hero, .halo { animation: none; }
}

@media (max-width: 420px) {
  .cta { padding: 14px 28px; letter-spacing: 0.12em; }
}