:root {
    --cor-fundo: #ffffff;
    --cor-fundo-alt: #f8fafc;
    --cor-texto: #0f172a;
    --cor-texto-suave: #475569;
    --cor-borda: #e2e8f0;
    --cor-acento: #0f172a;
    --cor-acento-hover: #1e293b;

    --sombra-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --sombra-card-hover: 0 10px 25px rgba(15, 23, 42, 0.08), 0 4px 10px rgba(15, 23, 42, 0.04);

    --raio: 10px;
    --transicao: 200ms ease;

    --largura-max: 1120px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--cor-texto);
    background: var(--cor-fundo);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: var(--largura-max);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--cor-texto);
}

p {
    color: var(--cor-texto-suave);
}

/* ============ Topo ============ */
.topo {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--cor-borda);
    z-index: 10;
}

.topo-conteudo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo-marca {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--cor-texto);
}

.nav-topo {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-topo a {
    font-size: 15px;
    font-weight: 500;
    color: var(--cor-texto-suave);
    transition: color var(--transicao);
}

.nav-topo a:hover {
    color: var(--cor-texto);
}

.nav-cta {
    background: var(--cor-acento);
    color: var(--cor-fundo) !important;
    padding: 8px 18px;
    border-radius: var(--raio);
    transition: background var(--transicao);
}

.nav-cta:hover {
    background: var(--cor-acento-hover);
}

/* ============ Hero ============ */
.hero {
    padding: 96px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    margin-bottom: 24px;
}

.hero-lead {
    font-size: clamp(16px, 2vw, 20px);
    max-width: 620px;
    margin: 0 auto 40px;
    color: var(--cor-texto-suave);
}

.hero-acoes {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--raio);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transicao);
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primario {
    background: var(--cor-acento);
    color: var(--cor-fundo);
}

.btn-primario:hover {
    background: var(--cor-acento-hover);
    transform: translateY(-1px);
}

.btn-secundario {
    background: transparent;
    color: var(--cor-texto);
    border-color: var(--cor-borda);
}

.btn-secundario:hover {
    border-color: var(--cor-texto);
    background: var(--cor-fundo-alt);
}

/* ============ Seções ============ */
.secao {
    padding: 88px 0;
    border-top: 1px solid var(--cor-borda);
}

.secao-alt {
    background: var(--cor-fundo-alt);
}

.secao h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
    text-align: center;
}

.secao-lead {
    font-size: 17px;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

/* ============ Grid Serviços ============ */
.grid-servicos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 28px;
    box-shadow: var(--sombra-card);
    transition: transform var(--transicao), box-shadow var(--transicao);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-card-hover);
}

.card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.card p {
    font-size: 15px;
    line-height: 1.65;
}

/* ============ Processo ============ */
.processo {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    counter-reset: processo;
}

.processo li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.processo-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    background: var(--cor-acento);
    color: var(--cor-fundo);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.processo h3 {
    font-size: 17px;
    margin-bottom: 6px;
}

.processo p {
    font-size: 15px;
    line-height: 1.6;
}

/* ============ Contato ============ */
.secao-contato {
    text-align: center;
}

.contato-canais {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.canal {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px 32px;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    transition: all var(--transicao);
}

.canal:hover {
    border-color: var(--cor-texto);
    transform: translateY(-1px);
    box-shadow: var(--sombra-card-hover);
}

.canal-rotulo {
    font-size: 13px;
    color: var(--cor-texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.canal-valor {
    font-size: 17px;
    font-weight: 600;
    color: var(--cor-texto);
}

/* ============ Rodapé ============ */
.rodape {
    border-top: 1px solid var(--cor-borda);
    padding: 40px 0;
    background: var(--cor-fundo-alt);
}

.rodape-conteudo {
    text-align: center;
}

.rodape-marca {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--cor-texto);
    margin-bottom: 6px;
}

.rodape-info {
    font-size: 14px;
    margin-bottom: 12px;
}

.rodape-copy {
    font-size: 13px;
    color: var(--cor-texto-suave);
}

/* ============ Botao WhatsApp flutuante ============ */
.wpp-flutuante {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4), 0 2px 6px rgba(0, 0, 0, 0.12);
    transition: transform var(--transicao), box-shadow var(--transicao);
    z-index: 20;
}

.wpp-flutuante:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5), 0 4px 10px rgba(0, 0, 0, 0.15);
}

.wpp-flutuante svg {
    display: block;
}

@media (max-width: 640px) {
    .wpp-flutuante {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
}

/* ============ Responsivo ============ */
@media (max-width: 640px) {
    .nav-topo {
        gap: 16px;
    }

    .nav-topo a:not(.nav-cta) {
        display: none;
    }

    .hero {
        padding: 64px 0 56px;
    }

    .secao {
        padding: 64px 0;
    }

    .secao-lead {
        margin-bottom: 40px;
    }

    .btn {
        width: 100%;
    }
}

/* ============ Acessibilidade ============ */
:focus-visible {
    outline: 2px solid var(--cor-acento);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}