/* Estilos customizados para o site da USETEKI */

/* Variáveis de cores */
:root {
  --color-useteki-red: #D52E22;
  --color-useteki-red-dark: #CC2A1E;
  --color-useteki-orange: #F57C00;
  --color-useteki-orange-dark: #FF7A1A;
  --color-useteki-dark: #1C1E21;
  --color-useteki-dark-light: #202225;
  --color-useteki-light: #F0F0F0;
  --color-useteki-light-dark: #EDEDED;
  --color-useteki-green: #25D366;
  --color-useteki-green-dark: #128C7E;
}

/* Container padrão */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .section-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .section-container {
    padding: 0 2rem;
  }
}

/* Texto gradiente */
.text-gradient {
  background: linear-gradient(135deg, var(--color-useteki-red), var(--color-useteki-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* Cards */
.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(245, 124, 0, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Botões */
.btn-primary {
  background: linear-gradient(135deg, var(--color-useteki-red), var(--color-useteki-orange));
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(213, 46, 34, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

/* Botão WhatsApp */
.btn-whatsapp {
  background: var(--color-useteki-green);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  gap: 0.5rem;
}

.btn-whatsapp:hover {
  background: var(--color-useteki-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:active {
  transform: translateY(0);
}

/* Links de navegação */
.nav-link {
  color: var(--color-useteki-light);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--color-useteki-orange);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-useteki-red), var(--color-useteki-orange));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Animações de scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* Animação de pulsação */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.delay-1000 {
  animation-delay: 1s;
}

/* Background gradiente animado */
.gradient-bg {
  background: linear-gradient(-45deg, var(--color-useteki-red), var(--color-useteki-orange), var(--color-useteki-dark), var(--color-useteki-dark-light));
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Efeito de vidro fosco */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
}

/* Formulários */
.form-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--color-useteki-light);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-useteki-orange);
  box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.1);
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

/* Botão de voltar ao topo */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-useteki-red), var(--color-useteki-orange));
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* Responsividade */
@media (max-width: 768px) {
  .section-container {
    padding: 0 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .btn-primary,
  .btn-whatsapp {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }
}

/* Efeitos de hover adicionais */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Animação de loading */
.loading {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-useteki-orange);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Utilitários de espaçamento */
.section-spacing {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section-spacing {
    padding: 8rem 0;
  }
}

/* Efeito de brilho no hover */
.glow-effect {
  position: relative;
  overflow: hidden;
}

.glow-effect::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(245, 124, 0, 0.3), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.glow-effect:hover::before {
  opacity: 1;
  animation: glow 1.5s ease-in-out infinite;
}

@keyframes glow {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}