html {
  scroll-behavior: smooth;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.gradient-text {
  background: linear-gradient(135deg, #ff9933, #ffb24d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.nav-scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.countdown-item {
  position: relative;
  overflow: hidden;
}
.countdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 3s infinite;
}
@keyframes shimmer {
  100% { left: 100%; }
}

/* FAQ */
.faq-item {
  overflow: hidden;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
  will-change: max-height;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

/* Segurança extra para textos longos */
.faq-content,
.faq-content * {
  word-break: break-word;
}

.faq-content p,
.faq-content div {
  overflow-wrap: anywhere;
}

.decorative-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  pointer-events: none;
}

.btn-primary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::before {
  left: 100%;
}

.speaker-card img {
  transition: transform 0.5s ease;
}
.speaker-card:hover img {
  transform: scale(1.05);
}

.schedule-card {
  position: relative;
}
.schedule-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #660000, #cc6600);
  border-radius: 4px 0 0 4px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.schedule-card:hover::before {
  opacity: 1;
}

/* =========================================================
   HERO (IMAGEM) — fiel à arte (PNG transparente recomendado)
   ========================================================= */
.hero-img-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 40px 40px;
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile: compensar navbar fixa e dar respiro */
@media (max-width: 1023px) {
  .hero-img-wrap {
    padding: 12px 16px 16px;
  }
}

/* ===========================
   PILARES (CARDS COMO IMAGEM)
   =========================== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

@media (min-width: 768px) {
  .pillar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }
}

.pillar-img-card {
  display: block;
  background: transparent !important;
  box-shadow: none !important;
  transform: translateY(0);
  transition: transform .18s ease;
  outline: none;
}

.pillar-img-card img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0px 8px 16px rgba(0, 0, 0, 0.15));
  transition: filter .18s ease;
}

.pillar-img-card:hover {
  transform: translateY(-8px);
}

.pillar-img-card:hover img {
  filter: drop-shadow(0px 15px 24px rgba(0, 0, 0, 0.22)) saturate(1.03);
}

.pillar-img-card:focus-visible {
  outline: 3px solid rgba(154, 16, 16, .55);
  outline-offset: 4px;
  border-radius: 14px;
}