/* Definições de Fonte e Cores Base */
:root {
    --background-light: #f8fafc; /* gray-50 */
    --text-light: #1f2937; /* gray-800 */
    --primary-light: #0369a1; /* sky-700 */
    --primary-hover-light: #0ea5e9; /* sky-500 */
    --highlight-light: #f59e0b; /* amber-500 */

    --background-dark: #0f172a; /* slate-900 */
    --text-dark: #e2e8f0; /* slate-200 */
    --primary-dark: #38bdf8; /* sky-400 */
    --primary-hover-dark: #0ea5e9; /* sky-500 */
    --highlight-dark: #fbbf24; /* amber-400 */

    --white: #ffffff;
    --black: #000000;
}

html.dark { 
    color-scheme: dark; 
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: background-color 0.3s ease, color 0.3s ease;
}

html.dark body {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

/* Navegação e Links */
.nav-link {
    color: var(--text-light);
    transition: color 0.2s ease-in-out;
}

html.dark .nav-link {
    color: var(--text-dark);
}

.nav-link:hover {
    color: var(--primary-light);
}

html.dark .nav-link:hover {
    color: var(--primary-dark);
}

/* Seção Hero */
.hero-bg {
    background: linear-gradient(to right, var(--primary-light), var(--primary-hover-light));
}

html.dark .hero-bg {
    background: linear-gradient(to right, #1e3a8a, #1e40af);
}


/* Botão Call-to-Action */
.cta-button {
    transition: all 0.3s ease;
    background-color: var(--highlight-light);
    color: var(--text-light);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    background-color: #fca5a5;
}

html.dark .cta-button {
    background-color: var(--highlight-dark);
    color: var(--background-dark);
}


/* Ícone Flutuante do WhatsApp */
.whatsapp-fab {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 100;
    transition: transform 0.3s ease;
}
.whatsapp-fab:hover { 
    transform: scale(1.1); 
}

/* Animações de Scroll */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Estilos para FAQ (Perguntas Frequentes) */
summary::-webkit-details-marker { 
    display: none; 
}
summary {
    list-style: none; 
}

/* Customizações de Cores para Seções */

#parceiros {
    background-color: #f1f5f9; /* slate-100 */
}

html.dark #parceiros {
    background-color: var(--black);
}

#reconhecimentos, #para-voce, #faq {
    background-color: var(--background-light);
}

html.dark #reconhecimentos, html.dark #para-voce, html.dark #faq {
    background-color: #1e293b; /* slate-800 */
}

#sobre-nos, #para-empresas {
    background-color: var(--white);
}

html.dark #sobre-nos, html.dark #para-empresas {
    background-color: var(--background-dark);
}

/* Cards */
.card {
    background-color: var(--white);
    color: var(--text-light);
}

html.dark .card {
    background-color: #1e293b; /* slate-800 */
    color: var(--text-dark);
}

/* Botões */
.btn-primary {
    background-color: var(--primary-light);
    color: var(--white);
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.625rem 1.25rem;
    text-align: center;
    transition: background-color 0.2s ease-in-out;
}

.btn-primary:hover {
    background-color: var(--primary-hover-light);
}


html.dark .btn-primary {
    background-color: var(--primary-dark);
    color: var(--background-dark);
}

html.dark .btn-primary:hover {
    background-color: var(--primary-hover-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--text-dark);
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.625rem 1.25rem;
    text-align: center;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.btn-secondary:hover {
    background-color: var(--text-dark);
    color: var(--background-dark);
}

footer {
    background-color: #1f2937; /* gray-800 */
}

html.dark footer {
    background-color: var(--black);
}

/* Banner de Cookies */
#cookie-banner {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

html.dark #cookie-banner {
    background-color: #020617; /* slate-950 */
}

#cookie-banner .btn-primary {
    background-color: var(--highlight-dark);
    color: var(--background-dark);
}

/* Animação para o link ZeroUm Impacta */
.zeroum-pulse {
    animation: pulse-gold 2s infinite ease-in-out;
    display: inline-block;
    color: var(--highlight-dark);
}

@keyframes pulse-gold {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 0 5px rgba(251, 191, 36, 0.5);
    }
    50% {
        transform: scale(1.05);
        text-shadow: 0 0 20px rgba(251, 191, 36, 1);
    }
}

.zeroum-pulse:hover {
    color: var(--primary-hover-dark);
    animation-play-state: paused;
}

@keyframes pulse-logo {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.logo-pulse {
    animation: pulse-logo 2s infinite ease-in-out;
}