/* --- Global Styles & Variables (REVISADAS E UNIFICADAS) --- */
:root {
    /* Paleta Premium: Deep Blue, Teal Elétrico e Gold */
    --color-primary: #1E3A8A; /* Azul Profundo (Base Premium) */
    --color-secondary: #D97706; /* Laranja Queimado/Gold (Highlight) */
    --color-accent: #34D399; /* Teal/Verde Elétrico (Energy/CTA Principal) */
    --color-dark-bg: #0F172A; /* Azul/Cinza muito Escuro (Fundo Seções Dark) */
    --color-light-bg: #F8FAFC; /* Fundo Leve (Quase Branco) */
    --color-text-light: #ffffff;
    --color-text-dark: #1F2937;
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.4s;
    --navbar-height: 80px;
    --border-radius-base: 12px;
}

/* Mapeamento de Cores para o código existente */
.section-light { background-color: var(--color-light-bg); }
.section-dark { background-color: var(--color-dark-bg); color: var(--color-text-light); }
.section-dark h2, .section-dark h3 { color: var(--color-text-light); }
.section-clients { background-color: var(--color-light-bg); padding: 6rem 0;}
h1, h2, h3 { color: var(--color-primary); } /* Corrigido para a nova variável */

/* CLASSE PARA OCULTAR SEÇÕES TEMPORARIAMENTE */
.hidden-for-now {
    display: none !important;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-light-bg);
}

.container {
    width: 90%;
    max-width: 1280px; 
    margin: 0 auto;
}

.small-container {
    max-width: 800px;
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.5rem; text-align: center; margin-bottom: 1.5rem; font-weight: 800; }
h3 { font-size: 1.4rem; font-weight: 700; }

section {
    padding: 6rem 0; 
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* --- CTA Button (Refinado) --- */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-accent);
    color: var(--color-text-light);
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, background-color var(--transition-speed) ease;
    box-shadow: 0 8px 20px rgba(52, 211, 153, 0.4); 
}
.cta-button:hover {
    transform: translateY(-5px);
    background: #2cb583; 
    box-shadow: 0 12px 30px rgba(52, 211, 153, 0.6);
}
.cta-button.large { padding: 20px 50px; font-size: 1.2rem; }
.cta-button i { margin-right: 0; } 


/* --- Menu de Navegação --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--navbar-height);
    background-color: transparent; 
    transition: background-color var(--transition-speed) ease, backdrop-filter var(--transition-speed) ease;
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95); 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px); 
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.navbar-brand img {
    max-height: 50px;
    width: auto; 
    transition: transform var(--transition-speed);
}
.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-menu {
    display: none; 
}

.navbar-nav {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed) ease;
}

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

.nav-cta {
    background-color: var(--color-secondary);
    padding: 10px 20px;
    border-radius: 50px;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}
.nav-cta:hover {
    background-color: #c06c05;
    transform: translateY(-2px);
}
.nav-cta::after {
    display: none; 
}

/* --- Estilos do Menu Mobile (Toggler) --- */
.navbar-toggler {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001; 
}

.toggler-icon {
    display: block;
    width: 25px;
    height: 3px; 
    background-color: var(--color-text-light); 
    margin: 5px 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.navbar-toggler.active .toggler-icon:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.navbar-toggler.active .toggler-icon:nth-child(2) {
    opacity: 0;
}
.navbar-toggler.active .toggler-icon:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* --- Animações de Scroll --- */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in { transform: translateY(20px); }
.fade-in-up { transform: translateY(50px); }

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

/* --- Botão Flutuante WhatsApp --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
    z-index: 999; 
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: scale(1.1);
}
.whatsapp-float .whatsapp-tooltip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    white-space: nowrap;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-dark-bg); 
    color: #fff;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.whatsapp-float:hover .whatsapp-tooltip {
    visibility: visible;
    opacity: 1;
}

/* --- 1. Hero Section --- */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    overflow: hidden; 
}
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}
.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover; 
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(30, 58, 138, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
    z-index: -1;
}
.hero-content { 
    position: relative; 
    z-index: 2; 
    padding-top: var(--navbar-height); 
}
.hero-section h1 {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    font-weight: 700;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-size: 3.5rem;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}
.subheadline {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* --- 3. Como Funciona --- */
.steps-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 4rem;
}
.step {
    text-align: center;
    max-width: 250px;
}
.step-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(52, 211, 153, 0.1);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px rgba(52, 211, 153, 0.3);
}

/* --- 2. Simulador de Economia (CORREÇÃO DE DESIGN - PREMIUM) --- */
.section-calculator {
    background-color: var(--color-dark-bg); 
    color: var(--color-text-light);
    padding: 6rem 0;
    text-align: center; /* Garantir centralização de H2 e P */
}

.section-calculator h2 {
    color: var(--color-accent);
}

.calculator-box {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(15, 23, 42, 0.9)); 
    padding: 50px;
    border-radius: var(--border-radius-base);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid rgba(52, 211, 153, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.input-group label {
    color: var(--color-light-bg);
    display: block;
    font-size: 1.1em;
    margin-bottom: 15px;
    font-weight: 600;
}

.input-group input[type="range"] {
    width: 90%;
    height: 10px;
    background: linear-gradient(to right, var(--color-accent), var(--color-primary));
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: grab;
    margin-bottom: 10px;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent); 
    cursor: pointer;
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.8);
    border: 4px solid var(--color-dark-bg);
}
.input-group input[type="range"]::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent); 
    cursor: pointer;
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.8);
    border: 4px solid var(--color-dark-bg);
}

.bill-display {
    display: block;
    font-size: 3.5em;
    font-weight: 800;
    color: var(--color-accent); 
    text-shadow: 0 0 10px rgba(52, 211, 153, 0.4);
    margin-top: 10px;
}

.promo-text {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--color-secondary); 
    margin: 40px 0 30px 0;
}

.results-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.result-card {
    background: rgba(30, 58, 138, 0.95); 
    border-left: 5px solid var(--color-accent);
    padding: 30px 40px;
    border-radius: var(--border-radius-base);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    min-width: 250px;
    transition: transform 0.4s ease, background 0.4s ease;
    /* Centralização de texto e itens dentro do card */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-card:hover {
    transform: translateY(-8px);
    background: var(--color-primary);
}

.result-card .savings-value {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 5px;
}
.result-card .savings-value i {
    font-size: 0.9em;
    margin-right: 5px;
}

.result-card .savings-label {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.8);
}

/* CTA do Simulador */
.cta-simulator-whatsapp {
    background: var(--color-secondary);
    box-shadow: 0 8px 20px rgba(217, 119, 6, 0.4);
}
.cta-simulator-whatsapp:hover {
    background: #c06c05;
    box-shadow: 0 12px 30px rgba(217, 119, 6, 0.6);
}

.section-calculator .disclaimer {
    font-size: 0.85em;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 25px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- 4. Benefícios (Refinado) --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 4rem;
}

.benefit-card {
    background: var(--color-light-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius-base);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-bottom: 3px solid var(--color-accent);
    text-align: left;
    transition: all 0.4s ease;
}
.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.benefit-card i {
    font-size: 2.8rem;
    color: var(--color-accent);
    margin-bottom: 1.2rem;
    background: rgba(52, 211, 153, 0.1);
    padding: 15px;
    border-radius: 50%;
}

.benefit-card h3 {
    color: var(--color-primary);
}


/* --- 6. Sustentabilidade (CORREÇÃO DE DESIGN - PREMIUM) --- */
.section-sustainability {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark-bg) 100%);
    padding: 8rem 0; 
    color: var(--color-text-light);
    text-align: center; /* Garantir centralização em geral */
}

.section-sustainability h2 {
    color: var(--color-accent);
    text-shadow: 0 0 5px rgba(52, 211, 153, 0.5);
}

.section-sustainability .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4rem;
}

.sustainability-fact,
.sustainability-metric,
.sustainability-example {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.05); 
    border-radius: var(--border-radius-base);
    padding: 40px;
    margin-bottom: 30px;
    border-left: 5px solid var(--color-secondary); 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    text-align: left;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    transition: transform 0.4s ease, background-color 0.4s ease, border-left-color 0.4s ease;
}

.sustainability-fact:hover,
.sustainability-metric:hover,
.sustainability-example:hover {
    transform: translateX(10px); 
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--color-accent);
}

.fact-icon, .metric-icon, .example-icon {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background-color: var(--color-accent);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 30px;
    box-shadow: 0 4px 20px rgba(52, 211, 153, 0.6);
}

.metric-icon { background-color: var(--color-secondary); }
.metric-icon i { color: var(--color-dark-bg); font-size: 2.5em; }

.example-icon { background-color: var(--color-primary); }
.example-icon i { color: var(--color-accent); font-size: 2.5em; }

.fact-icon i { font-size: 2.5em; color: var(--color-dark-bg); }

.fact-content h3, .metric-content h3, .example-content h3 {
    font-size: 1.8em;
    color: var(--color-text-light);
    margin-bottom: 10px;
    line-height: 1.3;
}

.fact-content p, .metric-content p, .example-content p {
    font-size: 1.1em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

.example-content p strong {
    color: var(--color-accent);
}

.sustainability-cta {
    margin-top: 60px;
}


/* --- 5. Clientes Carousel --- */
.client-carousel {
    overflow: hidden;
    position: relative;
    width: 100%;
    margin-top: 3rem;
    padding: 10px 0;
}
.client-carousel::before, .client-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
}
.client-carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--color-light-bg), rgba(248, 250, 252, 0));
}
.client-carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--color-light-bg), rgba(248, 250, 252, 0));
}
.client-logos {
    display: flex;
    width: fit-content;
    animation: scroll 30s linear infinite;
}
.client-logos img {
    height: 40px;
    margin: 0 40px;
    min-width: 120px;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: filter var(--transition-speed), opacity var(--transition-speed);
}
.client-logos:hover img {
    filter: grayscale(0%);
    opacity: 1;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}


/* --- 8. Regiões Atendidas --- */
#regioes .container {
    text-align: center;
}
.map-image {
    display: inline-block;
    max-width: 100%;
    height: auto;
    margin-top: 3rem;
    border-radius: var(--border-radius-base);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* --- 9. Representantes (CORREÇÃO DE DESIGN - PREMIUM) --- */
.section-representatives {
    background-color: var(--color-dark-bg);
    padding: 8rem 0;
}

.representative-content {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1280px;
    margin: 0 auto;
    flex-wrap: wrap; 
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-base);
    padding: 40px 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border-top: 5px solid var(--color-secondary);
}

.representative-text {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.representative-text h2 {
    font-size: 3em;
    color: var(--color-secondary);
    margin-bottom: 25px;
    line-height: 1.2;
}

.representative-text p {
    font-size: 1.2em;
    line-height: 1.7;
    margin-bottom: 35px;
    color: rgba(255, 255, 255, 0.9);
}

.representative-text ul {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}
.representative-text ul li {
    display: flex;
    align-items: center;
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}
.representative-text ul li i {
    color: var(--color-accent);
    margin-right: 15px;
    font-size: 1.5em;
}

.representative-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.representative-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-base);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    transition: transform 0.5s ease;
}

.representative-image img:hover {
    transform: scale(1.02);
}

.section-representatives .cta-button.large {
    background: var(--color-accent);
    box-shadow: 0 8px 20px rgba(52, 211, 153, 0.4);
}
.section-representatives .cta-button.large:hover {
    background: #2cb583;
    box-shadow: 0 12px 30px rgba(52, 211, 153, 0.6);
}

/* --- 10. Condições para Aderir --- */
.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 4rem;
}
.condition-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: var(--color-light-bg);
    padding: 2.5rem 1.5rem;
    border-radius: var(--border-radius-base);
    border: 1px solid #e5e7eb;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}
.condition-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}
.condition-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.condition-item p { 
    color: var(--color-text-dark);
    font-weight: 600;
}

/* --- 11. FAQ (Corrigido para '+' / 'x') --- */
.faq-accordion {
    max-width: 800px;
    margin: 3rem auto 0 auto;
    background-color: var(--color-text-light);
    border-radius: var(--border-radius-base);
    box-shadow: 0 5px 25px rgba(0,0,0,0.05);
}

.faq-item {
    border-bottom: 1px solid #e5e7eb;
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-item.active {
    background-color: #f0f4f9; /* Fundo leve para o item ativo */
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex; 
    justify-content: space-between;
    align-items: center;
    color: var(--color-primary); 
}

.faq-question i {
    font-size: 1.5em;
    color: var(--color-secondary); 
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg); 
    color: var(--color-accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}
.faq-answer p {
    padding: 0 2rem 1.5rem 2rem;
    font-size: 1em;
    line-height: 1.6;
    color: var(--color-text-dark);
}


/* --- 12. Final CTA & Condições (Refinado) --- */
.final-cta-section {
    background: var(--color-primary);
    padding: 6rem 0;
}

.final-cta-section h2 { 
    color: var(--color-text-light); 
    font-size: 3em; 
    font-weight: 800;
}

.conditions-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-base);
    padding: 30px;
    max-width: 700px;
    margin: 0 auto 3rem auto;
    width: 100%;
    border: 1px solid rgba(52, 211, 153, 0.4);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.4);
    text-align: left;
}
.conditions-box h3 { 
    color: var(--color-accent); 
    font-size: 1.8em;
    text-align: center;
    margin-bottom: 20px;
}
.conditions-box ul { list-style: none; padding: 0; margin-bottom: 1rem; }
.conditions-box ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    font-size: 1.1em;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}
.conditions-box ul li i {
    color: var(--color-accent);
    margin-right: 15px;
    font-size: 1.4em;
    position: relative;
    top: 3px;
}
.conditions-box .transparency-focus { 
    text-align: center;
    margin-top: 30px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95em;
}

.final-cta-section .cta-button.large {
    background: var(--color-secondary);
    box-shadow: 0 8px 20px rgba(217, 119, 6, 0.4);
}
.final-cta-section .cta-button.large:hover {
    background: #c06c05;
    box-shadow: 0 12px 30px rgba(217, 119, 6, 0.6);
}

/* --- 13. Footer --- */
.footer {
    background-color: var(--color-dark-bg);
    color: var(--color-text-light);
    padding: 3rem 0 0;
}
.footer-content {
    display: flex;
    flex-direction: row; /* Alterado para row em desktop */
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    gap: 2rem;
}
.footer-info { flex: 1; min-width: 200px; }
.footer-links { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.footer-social { flex: 1; text-align: right; }
.footer-logo { max-width: 180px; margin-bottom: 0.5rem; }
.slogan { color: var(--color-light-bg); opacity: 0.8; }
.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-speed);
}
.footer-links a:hover { color: var(--color-secondary); }
.footer-social p { margin-bottom: 10px; }
.footer-social a {
    color: var(--color-text-light);
    font-size: 1.5rem;
    margin-left: 15px;
    transition: color var(--transition-speed);
}
.footer-social a:hover { color: var(--color-secondary); }
.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid #374151;
    font-size: 0.9rem;
    opacity: 0.7;
}


/* --- Responsividade (Mobile First Ajustes) --- */
@media (max-width: 992px) {
    .navbar-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-dark-bg);
        transform: translateX(100%);
        transition: transform 0.4s ease-in-out;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.4);
        padding-top: var(--navbar-height);
    }
    .navbar-menu.active {
        transform: translateX(0);
    }
    .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 20px;
    }
    .nav-link {
        color: var(--color-text-light);
        width: 100%;
    }
    .nav-cta {
        margin-top: 15px;
    }
    .navbar-toggler { display: block; }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-links {
        align-items: center;
        margin-top: 15px;
    }
    .footer-social {
        text-align: center;
        margin-top: 15px;
    }
    .footer-social a { margin: 0 10px; }
    
    .representative-content {
        flex-direction: column;
        padding: 30px;
        text-align: center;
    }
    .representative-text, .representative-image {
        text-align: center;
    }
    .representative-text ul {
        align-items: flex-start;
        display: inline-block; /* Centraliza a lista */
        text-align: left;
    }
    
    .sustainability-fact,
    .sustainability-metric,
    .sustainability-example {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
    .fact-icon, .metric-icon, .example-icon {
        margin: 0 auto 20px auto;
    }
    .fact-content, .metric-content, .example-content {
        text-align: center;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-section h1 { font-size: 2.8rem; }
    
    .section-calculator .bill-display { font-size: 2.5em; }
    .results-grid {
        gap: 20px;
        /* CORREÇÃO CRÍTICA: Força centralização dos cards do simulador */
        justify-content: center;
    }
    .result-card {
        min-width: 80%;
    }
    .final-cta-section h2 { font-size: 2.2em; }
    
    .cta-button.large { 
        padding: 15px 30px; 
        font-size: 1.1rem; 
        width: 100%;
        justify-content: center;
    }
    
    .conditions-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 992px) {
    .navbar-toggler { display: none; }
    .navbar-menu { display: block; }
}