/* Estilos customizados para a landing page Bia Chat */

/* Fonte personalizada */
.font-inter {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Animações customizadas */
@keyframes fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-up-fade {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce-custom {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes ping-slow {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Classes de animação */
.animate-fade-in-down {
    animation: fade-in-down 1s ease-out;
}

.animate-fade-in-up {
    animation: fade-in-up 1s ease-out 0.3s both;
}

.animate-slide-up-fade {
    animation: slide-up-fade 1s ease-out 0.6s both;
}

.animate-bounce-custom {
    animation: bounce-custom 2s infinite;
}

.animate-ping-slow {
    animation: ping-slow 3s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Gradientes customizados */
.bg-gradient-bia {
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
}

.bg-gradient-bia-light {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(123, 104, 238, 0.1) 100%);
}

/* Efeitos de hover customizados */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Botões customizados */
.btn-primary {
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(74, 144, 226, 0.4);
    color: white;
}

.btn-secondary {
    background: #10B981;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
    color: white;
}

/* Seções com scroll suave */
html {
    scroll-behavior: smooth;
}

/* Responsividade customizada */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Efeitos de entrada para elementos */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Estilo para ícones */
.icon-feature {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 1rem;
}

/* Cards de benefícios */
.benefit-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 144, 226, 0.1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(74, 144, 226, 0.3);
}

/* Seção de problemas */
.problem-section {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

/* Seção de soluções */
.solution-section {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

/* Estatísticas */
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Formulário de contato */
.contact-form {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

/* Loader para demonstração */
.loader {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #4A90E2;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Overlay para modal */
.modal-overlay {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

/* Estilos para seção de FAQ */
.faq-item {
    border-bottom: 1px solid #e5e7eb;
    padding: 1.5rem 0;
}

.faq-question {
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #4A90E2;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.open {
    max-height: 200px;
}

/* Efeitos de parallax suave */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Indicador de scroll */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4A90E2 0%, #7B68EE 100%);
    transform-origin: left;
    transform: scaleX(0);
    z-index: 1000;
    transition: transform 0.1s ease;
}