:root {
    /* Paleta Principal */
    --color-primary-accent: #F28705;
    --color-primary-accent-hover: #D97706;

    /* TEMA DIA (Light Mode) */
    --color-background-body: #F4F4F5; /* Fundo muito claro (Quase branco) */
    
    /* Textos */
    --color-text-primary: #1F2937; /* Texto escuro/preto */
    --color-text-secondary: #4B5563; /* Texto cinza escuro */
    
    /* Bordas */
    --color-border-light: #D1D5DB; /* Borda cinza claro */
    
    /* Efeitos "Glassmorphism" (Vidro) */
    --color-glass-bg: rgba(255, 255, 255, 0.7); /* Fundo de seção branco 70% opaco */
    --color-glass-border: rgba(209, 213, 219, 0.5); /* Borda cinza claro 50% opaca */
    --color-glass-bg-hover: rgba(255, 255, 255, 0.9);
    
    /* Efeitos de Interação */
    --header-bg: rgba(255, 255, 255, 0.9); /* Header branco opaco */
    --glow-effect: 0 0 15px rgba(242,135,5,0.4); 
    --shadow-effect: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
    
    /* Cores de formulário */
    --color-input-bg: #E5E7EB; /* Cinza claro para input */
    --color-input-text: #1F2937;
}

/* === ANIMAÇÕES GLOBAIS === */
@keyframes pulse-glow {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 15px rgba(242,135,5,0.4); 
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 0 0 22px rgba(242,135,5,0.6); 
    }
}
@keyframes subtle-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === CONFIGURAÇÃO BASE === */
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-background-body);
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-weight: 300; /* Light */
    opacity: 0; 
    transition: opacity .45s ease;
    padding-bottom: 3.5rem; /* Espaço para a barra de copyright fixa */
}
body.loaded { opacity: 1; }

h1, h2, h3, h4 { 
    font-family: 'Inter', sans-serif; 
    color: var(--color-text-primary); 
    font-weight: 600; /* Semibold */
    letter-spacing: -0.02em;
}
/* APLICAÇÃO DO TAMANHO DESEJADO (2.25rem) com !important */
h2 { font-size: 2.0rem !important; line-height: 3.0rem; } 
h3 { font-size: 1.10rem; line-height: 1.50rem; /* 18px */ }

p, li { font-size: 1rem; line-height: 1.75rem; font-weight: 300; }

strong {
    font-weight: 500; /* Medium */
    color: var(--color-text-primary);
}

/* Seções */
section { 
    position: relative;
    padding-top: 3.5rem; 
    padding-bottom: 3.5rem; 
}
@media (min-width:768px) {
    section { 
        padding-top: 5rem; 
        padding-bottom: 5rem; 
    }
}

.container { max-width: 1200px; }

/* === CABEÇALHO (Estilo Fixo) === */
#header {
    background: var(--header-bg);
    position: fixed; top:0; left:0; right:0;
    z-index:999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    backdrop-filter: blur(20px); /* Efeito névoa */
    border-bottom: 1px solid var(--color-glass-border);
}
#header a img {
   /* A LOGO DEVE SER CLARA PARA O TEMA DIA! (Você pode precisar trocar a URL da logo no HTML se a versão escura estiver embutida nela) */
}
.nav-link { 
    color: var(--color-text-secondary); /* Link escuro */
    transition: color .25s ease; 
    position: relative; 
    padding: .25rem; 
    font-weight: 500; /* Medium */
    font-size: 0.875rem; /* 14px */
}
.nav-link:hover { color: var(--color-primary-accent); }

/* CTA do Header */
.nav-link-cta {
    background-color: var(--color-primary-accent);
    color: var(--color-background-body) !important; /* Texto claro no CTA */
    padding: 0.5rem 1rem;
    border-radius: 999px;
    transition: all 0.25s ease, transform 0.15s ease-out;
    border: 2px solid var(--color-primary-accent);
    display: inline-block; 
    line-height: 1.25;
    font-weight: 500;
    box-shadow: var(--glow-effect);
}
.nav-link-cta:hover {
    background-color: var(--color-input-bg);
    color: var(--color-primary-accent) !important;
    border-color: var(--color-primary-accent);
    box-shadow: none;
}
.nav-link-cta:active {
    transform: scale(0.97);
}

/* === HERO === */
#inicio {
    padding-top: 8rem; /* Mais espaço por causa do header fixo */
}
.hero-card {
    border-radius: 0.75rem; /* Mais arredondado */
    overflow:hidden; position:relative;
    min-height: 60vh; 
    display:flex; align-items:center;
    padding: 2rem;
    /* Fundo do card mais claro no tema dia, mas ainda contrastante */
    background-color: #E5E7EB; 
    border: 1px solid var(--color-glass-border);
}
.hero-bg-image { 
    position:absolute; inset:0; width:100%; height:100%; 
    object-fit:cover; 
    opacity: 0.8; /* Imagem mais visível no tema dia */
}
.hero-overlay { 
    position:absolute; 
    inset:0; 
    /* Gradiente para garantir que o texto seja legível sobre a imagem clara */
    background: linear-gradient(90deg, var(--color-background-body) 30%, rgba(244, 244, 245, 0.5) 60%, rgba(244, 244, 245, 0) 80%);
}

.hero-card h1 {
    font-weight: 600; /* Semibold */
    font-size: 2.5rem; /* 40px */
    line-height: 1.2;
    color: var(--color-text-primary);
}
@media (min-width:768px) {
    .hero-card h1 { font-size: 3.5rem; /* 56px */ }
}

/* Destaque do Hero com gradiente de texto */
.hero-accent-text { 
    background: linear-gradient(90deg, var(--color-primary-accent), #D97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700; /* Extra destaque */
}

/* === BOTÕES === */
.btn {
    border-radius:999px;
    font-weight: 500; /* Medium */
    font-size: 0.875rem; /* 14px */
    padding: 0.65rem 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease, transform 0.15s ease-out;
    will-change: transform;
}
.btn svg {
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Botão Primário (Laranja) */
.btn-primary {
    background: var(--color-primary-accent); 
    color: var(--color-background-body); /* Texto claro */
    border: 2px solid var(--color-primary-accent);
}
.btn-primary:hover { 
    background: var(--color-input-bg);
    color: var(--color-primary-accent); /* Texto laranja */
    border-color: var(--color-primary-accent);
    box-shadow: none; /* Remove o glow no hover */
}
.btn-primary:hover svg {
    transform: translateX(3px);
}
.btn:active {
    transform: scale(0.97);
}

/* Botão Outline (Laranja) */
.btn-outline-primary {
    color: var(--color-primary-accent); 
    border: 2px solid var(--color-primary-accent); 
    background: transparent;
}
.btn-outline-primary:hover { 
    background: var(--color-primary-accent); 
    color: var(--color-background-body);
}
.btn-outline-primary:hover svg {
    transform: translateY(2px);
}

/* Botão CTA do Hero com Animação */
#hero-cta-button {
    animation: pulse-glow 2.5s infinite;
}


/* === BOTÃO FLUTUANTE (WhatsApp) === */
.floating-action-button {
    position: fixed;
    bottom: 3.5rem; /* Acima da barra de copyright */
    right: 1.5rem;
    z-index: 1000;
    background-color: #25D366;
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-effect);
    transition: all 0.3s ease;
    transform: scale(1);
}
.floating-action-button:hover {
    transform: scale(1.08);
    background-color: var(--color-primary-accent-hover);
}

/* === EFEITO "VIDRO" (Glassmorphism) === */
.glass-card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-glass-border);
    border-radius: 0.75rem; /* 12px */
    transition: transform 0.3s ease, background-color 0.3s ease;
}
.glass-card:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-text-secondary);
}

/* === Seção "SOLUÇÕES" (Abas de Vidro) === */
#solucoes {
    background: var(--color-background-body); /* Garante o fundo para o efeito */
    border-top: none;
}
.tab-list {
    display: flex;
    gap: 1.5rem; 
    margin-bottom: 2rem;
    position: relative; 
    padding: 0.5rem; /* Espaço para o slider e o efeito */
    /* Efeito Vidro Aplicado */
    background: rgba(229, 231, 235, 0.8); /* Fundo claro para o tab-list */
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-glass-border);
    border-radius: 0.75rem;
}
.tab-button { 
    padding: 0.5rem 1rem; 
    font-weight: 500;
    cursor:pointer; 
    background:transparent; 
    border:none; 
    color: var(--color-text-secondary); /* Texto escuro */
    transition: all .25s ease;
    position: relative; 
    z-index: 10; 
    border-radius: 0.5rem; /* 8px */
}
.tab-button.active { 
    color: var(--color-background-body); /* Texto branco (ou muito claro) quando ativo */
}
#tab-slider {
    position: absolute;
    top: 0.5rem; 
    left: 0.5rem; 
    height: calc(100% - 1rem); 
    z-index: 5; 
    background-color: var(--color-primary-accent);
    border-radius: 0.5rem;
    box-shadow: var(--glow-effect);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.tab-container { overflow: hidden; position: relative; }
#tab-content-wrapper {
    display: flex; 
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1); 
}
.tab-panel {
    width: 100%; 
    flex-shrink: 0; 
    /* Efeito Vidro no painel de conteúdo */
    padding: 1.5rem;
}
@media (min-width:768px) {
    .tab-panel { padding: 2.5rem; }
}
.tab-panel img {
    border-radius: 0.5rem;
    box-shadow: var(--shadow-effect);
}


/* === Seção "DIFERENCIAIS" (Cards Premium) === */
/* Estilo base do card premium */
.premium-card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-glass-border);
    border-radius: 0.75rem; /* 12px */
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, background-color 0.3s ease;
}
/* Efeito de brilho no hover */
.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    /* Brilho branco suave no hover */
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.05), transparent); 
    transform: skewX(-20deg);
    transition: left 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}
.premium-card:hover {
    transform: translateY(-5px);
    background: var(--color-glass-bg-hover);
    border-color: var(--color-text-secondary);
}
.premium-card:hover::before {
    left: 150%;
}
/* Ícone */
.premium-card-icon {
    width: 3rem; /* 48px */
    height: 3rem; /* 48px */
    margin-bottom: 1rem;
    color: var(--color-primary-accent);
}
.premium-card h3 {
    color: var(--color-text-primary);
    font-weight: 500;
}


/* === FAQ === */
#faq {
    background-color: var(--color-background-body);
}
.faq-item {
    /* Efeito Vidro */
    background: var(--color-glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-glass-border);
    border-radius: 0.75rem; /* 12px */
    transition: background-color .25s ease;
}
.faq-item:hover {
    background: var(--color-glass-bg-hover);
}
.faq-item summary {
    font-weight: 500; /* Medium */
    cursor: pointer;
    list-style: none; /* Remove seta padrão */
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-primary);
    padding: 1.25rem 1.5rem; /* Mais espaçado */
}
.faq-item summary::-webkit-details-marker { display: none; }

/* Ícone +/- customizado */
.faq-icon {
    position: relative;
    width: 1.25rem;
    height: 1.25rem;
    transition: transform .3s ease;
    color: var(--color-primary-accent);
}
.faq-icon-line {
    position: absolute;
    background: currentColor;
    border-radius: 2px;
}
.faq-icon-horizontal {
    width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%);
}
.faq-icon-vertical {
    width: 2px; height: 100%; top: 0; left: 50%; transform: translateX(-50%);
    transition: transform 0.3s ease;
}

.faq-item[open] summary {
    font-weight: 500; /* Medium */
}
/* Animação do ícone */
.faq-item[open] .faq-icon-vertical {
    transform: translateX(-50%) scaleY(0);
}

.faq-item p {
    margin: 0 1.5rem 1.25rem 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
}


/* === FORMULÁRIO DE CONTATO === */
#contato {
    background-color: var(--color-background-body);
}
.form-card-bg {
     /* Efeito Vidro */
    background: var(--color-glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-glass-border);
    border-radius: 0.75rem; /* 12px */
    padding: 1.5rem;
}
@media (min-width:768px) {
    .form-card-bg { padding: 2.5rem; }
}

/* Inputs (Claros para legibilidade) */
input, textarea { 
    background: var(--color-input-bg);
    border: 1px solid var(--color-input-bg); 
    color: var(--color-input-text); /* Texto escuro */
    padding:.75rem 1rem; 
    border-radius:.5rem; 
    width:100%; 
    transition: box-shadow .25s, border-color .25s; 
    font-weight: 300;
}
input:focus, textarea:focus { 
    box-shadow: 0 0 0 3px rgba(242, 135, 5, 0.25);
    border-color: var(--color-primary-accent) !important; 
    outline:none; 
}
::placeholder {
    color: #9CA3AF; /* Cinza mais claro para placeholder */
    font-weight: 300;
    opacity: 1;
}

/* Botão Enviar com Glow */
#submit-button {
     box-shadow: var(--glow-effect);
}
#submit-button[disabled] { opacity: .7; cursor:not-allowed; transform:none; box-shadow:none; }

/* === FOOTER === */
footer { 
    background: var(--color-background-body);
    color: var(--color-text-secondary);
    padding-top: 2.5rem; 
    padding-bottom: 1.5rem; 
    font-weight: 300;
    border-top: 1px solid var(--color-primary-accent); /* Borda laranja */
}
footer h3 { 
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}
footer a { 
    color: var(--color-text-secondary);
    transition: color .25s ease;
}
footer a:hover { 
    color: var(--color-primary-accent); 
}

/* Barra de Copyright Fixa com Efeito Névoa */
#copyright-bar {
    background: var(--header-bg); /* Mesmo do header */
    backdrop-filter: blur(20px);
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 990;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--color-glass-border);
}
#copyright-bar p {
    color: var(--color-text-secondary);
    text-align: center;
    font-size: 0.75rem; /* 12px */
    margin: 0;
}

/* === ANIMAÇÃO DE ENTRADA (Scroll) === */
.animated-element { 
    opacity:0;
    transition: opacity .6s ease-out, transform .6s ease-out; 
    transform: translateY(20px);
}
.animated-element.is-visible { 
    opacity:1; 
    transform: translateY(0); 
}

/* === ANIMAÇÃO ÍCONE MOBILE (Hambúrguer -> X) === */
#mobile-menu-button[aria-expanded="true"] #menu-line-top {
    transform: rotate(45deg) translate(5px, 6px);
}
#mobile-menu-button[aria-expanded="true"] #menu-line-middle {
    opacity: 0;
}
#mobile-menu-button[aria-expanded="true"] #menu-line-bottom {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Ajustes Mobile */
@media (max-width:767px) {
    /* APLICAÇÃO DO TAMANHO DESEJADO (2.25rem) com !important */
    h2 { font-size: 2.0rem !important; line-height: 3.0rem; } 
    .hero-card h1 { font-size: 2rem; line-height: 1.3; /* 32px */ }
    #mobile-menu[aria-hidden="false"] { display:block; }
    .hero-card { min-height: 70vh; }
    .hero-overlay { 
        /* Ajuste do gradiente para o tema dia */
        background: linear-gradient(90deg, var(--color-background-body) 70%, rgba(244, 244, 245, 0.7) 90%, rgba(244, 244, 245, 0) 100%); 
    }
    .tab-list {
        overflow-x: auto;
        white-space: nowrap;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    .tab-list::-webkit-scrollbar { display: none; }
}