/* ==========================================================================
   Kokanisa - Animação de Apresentação e Boas-Vindas
   ========================================================================== */
#kokanisa-welcome-screen {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: #060911;
  background-image: 
    radial-gradient(circle at 50% 30%, rgba(50, 205, 50, 0.16) 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 45%);
  z-index: 9999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  user-select: none;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.65s;
}

#kokanisa-welcome-screen.intro-hidden {
  opacity: 0;
  transform: scale(1.03) translateY(-16px);
  filter: blur(10px);
  visibility: hidden;
  pointer-events: none;
}

/* Brilho ambiente esmeralda pulsante */
.welcome-ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(50, 205, 50, 0.22) 0%, rgba(50, 205, 50, 0) 70%);
  filter: blur(55px);
  pointer-events: none;
  animation: welcomeAmbientFloat 3s ease-in-out infinite alternate;
}

@keyframes welcomeAmbientFloat {
  0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.55; }
  100% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.95; }
}

/* Caixa central de apresentação */
.welcome-box {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 580px;
  width: 100%;
}

/* Contentor do Logótipo com auréola tecnológica */
.welcome-logo-container {
  position: relative;
  width: 110px;
  height: 110px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-ring-dash {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px dashed rgba(50, 205, 50, 0.5);
  animation: welcomeSpinRing 12s linear infinite;
}

.welcome-ring-glow {
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1px solid rgba(50, 205, 50, 0.7);
  box-shadow: 0 0 30px rgba(50, 205, 50, 0.45);
  animation: welcomeRingGlow 2s ease-in-out infinite alternate;
}

.welcome-logo-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 0 16px rgba(50, 205, 50, 0.65));
  animation: welcomeLogoPop 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes welcomeSpinRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes welcomeRingGlow {
  0% { transform: scale(0.98); opacity: 0.6; }
  100% { transform: scale(1.02); opacity: 1; }
}

@keyframes welcomeLogoPop {
  0% { transform: scale(0.3); opacity: 0; }
  70% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* Etiqueta distintiva Kokanisa */
.welcome-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(50, 205, 50, 0.12);
  border: 1px solid rgba(50, 205, 50, 0.35);
  color: #bbf7d0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.welcome-tag-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #32cd32;
  box-shadow: 0 0 10px #32cd32;
  animation: welcomePulseDot 1.4s infinite;
}

@keyframes welcomePulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

/* Título de Boas-Vindas */
.welcome-heading {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 2.7rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
  color: #ffffff;
}

.welcome-heading .dot {
  color: #32cd32;
  text-shadow: 0 0 20px rgba(50, 205, 50, 0.8);
}

/* Descrição com identidade */
.welcome-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 22px;
  max-width: 500px;
}

/* Pílula de apresentação de Hugo Sá */
.welcome-author-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  margin-bottom: 28px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
}

.welcome-author-pill img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #32cd32;
  object-fit: cover;
}

/* Barra laser tecnológica de progresso */
.welcome-laser-wrap {
  width: 260px;
  max-width: 80%;
  position: relative;
}

.welcome-laser-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.welcome-laser-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #32cd32 70%, #d4f838 100%);
  box-shadow: 0 0 16px #32cd32;
  border-radius: 99px;
  transition: width 1.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.welcome-laser-status {
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  font-weight: 600;
}

/* Botão discreto para entrar imediatamente */
.welcome-skip {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
  z-index: 10;
}

.welcome-skip:hover {
  background: rgba(50, 205, 50, 0.15);
  border-color: #32cd32;
  color: #ffffff;
  transform: translateY(-1px);
}