/* Cores dos Correios */
:root {
    --correios-blue: #003087;
    --correios-yellow: #FFD700;
    --correios-light-blue: #E6F3FF;
}

/* Fontes */
body {
    font-family: 'Inter', system-ui, sans-serif;
}

h1, h2, h3, h4, h5, h6,
.fw-heading {
    font-family: 'Roboto', system-ui, sans-serif;
}

/* Cores customizadas */
.bg-correios-blue {
    background-color: var(--correios-blue) !important;
}

.text-correios-blue {
    color: var(--correios-blue) !important;
}

.bg-correios-yellow {
    background-color: var(--correios-yellow) !important;
}

.text-correios-yellow {
    color: var(--correios-yellow) !important;
}

.bg-correios-light-blue {
    background-color: var(--correios-light-blue) !important;
}

/* Botões customizados */
.btn-correios-blue {
    background-color: var(--correios-blue);
    border-color: var(--correios-blue);
    color: white;
}

.btn-correios-blue:hover {
    background-color: #002266;
    border-color: #002266;
    color: white;
}

.btn-correios-yellow {
    background-color: var(--correios-yellow);
    border-color: var(--correios-yellow);
    color: var(--correios-blue);
    font-weight: 600;
}

.btn-correios-yellow:hover {
    background-color: #E6C200;
    border-color: #E6C200;
    color: var(--correios-blue);
}

/* Gradiente do hero */
.bg-gradient-custom {
    background: linear-gradient(135deg, var(--correios-light-blue) 0%, #ffffff 100%);
}

/* Cards com hover */
.hover-card {
    transition: all 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
    border-color: var(--correios-yellow) !important;
}

/* Links hover no footer */
.hover-link:hover {
    color: var(--correios-yellow) !important;
    transition: color 0.3s ease;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Navbar responsiva */
.navbar-nav .nav-link:hover {
    color: var(--correios-yellow) !important;
    transition: color 0.3s ease;
}

/* Cards de resultado */
.result-card {
    border-left: 4px solid var(--correios-blue);
    margin-bottom: 1rem;
}

/* Elementos de loading */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Melhorias visuais */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--correios-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 48, 135, 0.25);
}

/* Responsividade aprimorada */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .hero-stats {
        text-align: center;
    }
}

/* Estilo para seções */
section {
    scroll-margin-top: 100px;
}

/* Header fixo com shadow */
.sticky-top {
    box-shadow:
        0 4px 10px rgba(0, 0, 0, 0.15),
        0 8px 30px rgba(0, 0, 0, 0.1);
}

/* Service Cards */
#services .hover-card {
  border-radius: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.1);               /* borda leve porém visível */
  /* sombra mais densa: maior spread e alpha aumentado */
  box-shadow:
    0 4px 8px rgba(0, 0, 0, 0.2),
    0 8px 20px rgba(0, 0, 0, 0.15),
    0 12px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#services .hover-card:hover {
  transform: translateY(-5px);
  /* hover ainda mais pronunciado */
  box-shadow:
    0 6px 12px rgba(0, 0, 0, 0.25),
    0 12px 30px rgba(0, 0, 0, 0.2),
    0 18px 50px rgba(0, 0, 0, 0.15);
  border-color: var(--correios-yellow) !important;
}