/* ============================================================
   Lógica Contabilidade — logicacontabilidade.online
   Landing page de conversão | Mobile First
   Paleta "mar": Azul escuro / Azul / Azul claro / Branco
   ============================================================ */

:root {
    --azul-escuro: #0c2b45;
    --azul-escuro-2: #123c5e;
    --azul-escuro-3: #164c74;
    --azul: #1298d1;
    --azul-forte: #0f7fb4;
    --azul-claro: #5fc7f2;
    --azul-claro-bg: #eaf6fc;
    --branco: #ffffff;
    --cinza-borda: #d9e6f0;
    --texto: #16283a;
    --texto-suave: #55697c;
    --sombra: 0 18px 44px rgba(12, 43, 69, .16);
    --sombra-cartao: 0 10px 28px rgba(12, 43, 69, .1);
    --raio: 14px;
    --raio-pill: 999px;
    --transicao: .22s ease;
    --fonte: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    /* Exceção funcional: verde é a cor universal do WhatsApp */
    --whatsapp: #25d366;
    --whatsapp-escuro: #1eb955;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--fonte);
    color: var(--texto);
    background: var(--branco);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }

.container {
    width: min(100% - 2.5rem, 1160px);
    margin-inline: auto;
}

h1, h2, h3 { line-height: 1.22; color: var(--azul-escuro); font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5.2vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.6vw, 2.1rem); }
h3 { font-size: 1.15rem; font-weight: 700; }

.destaque { color: var(--azul); }

/* ===== Botões ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .85rem 1.6rem;
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: .98rem;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--transicao), border-color var(--transicao), color var(--transicao), transform var(--transicao), box-shadow var(--transicao);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primario { background: var(--azul); color: var(--branco); box-shadow: 0 10px 24px rgba(18, 152, 209, .35); }
.btn--primario:hover { background: var(--azul-forte); }

.btn--fantasma { background: transparent; color: var(--branco); border-color: rgba(255, 255, 255, .5); }
.btn--fantasma:hover { border-color: var(--branco); background: rgba(255, 255, 255, .08); }

.btn--grande { padding: 1rem 2rem; font-size: 1.05rem; }
.btn--bloco { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* ===== Header / Nav ===== */
.topo {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 var(--cinza-borda);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 1rem;
}

.nav__logo img { height: 42px; width: auto; }

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: 0;
    cursor: pointer;
}
.nav__toggle span {
    display: block;
    height: 2.5px;
    width: 100%;
    background: var(--azul-escuro);
    border-radius: 2px;
    transition: transform var(--transicao), opacity var(--transicao);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav__menu {
    position: fixed;
    inset: 72px 0 auto 0;
    display: flex;
    flex-direction: column;
    gap: .2rem;
    padding: 1rem;
    background: var(--branco);
    border-bottom: 1px solid var(--cinza-borda);
    box-shadow: var(--sombra);
    transform: translateY(-130%);
    transition: transform .28s ease;
}
.nav__menu.aberto { transform: translateY(0); }

.nav__link {
    display: block;
    padding: .8rem 1rem;
    color: var(--texto);
    font-weight: 600;
    border-radius: 8px;
    transition: background var(--transicao), color var(--transicao);
}
.nav__link:hover { background: var(--azul-claro-bg); color: var(--azul); }

.nav__cta { margin-top: .5rem; }

/* ===== Hero ===== */
.hero {
    position: relative;
    background: radial-gradient(120% 100% at 88% -10%, var(--azul-escuro-3) 0%, var(--azul-escuro) 55%), var(--azul-escuro);
    color: var(--branco);
    padding: 3.5rem 0 4rem;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -14%;
    top: -20%;
    width: 55vw;
    height: 55vw;
    max-width: 560px;
    max-height: 560px;
    background: radial-gradient(circle, rgba(95, 199, 242, .28) 0%, transparent 70%);
    filter: blur(10px);
    pointer-events: none;
}
.hero::before {
    content: "";
    position: absolute;
    left: -10%;
    bottom: -25%;
    width: 45vw;
    height: 45vw;
    max-width: 460px;
    max-height: 460px;
    background: radial-gradient(circle, rgba(18, 152, 209, .3) 0%, transparent 70%);
    filter: blur(10px);
    pointer-events: none;
}

.hero__grid { position: relative; display: grid; gap: 2.5rem; }

.hero h1 { color: var(--branco); margin: .8rem 0 1.1rem; }

.hero__sub {
    color: rgba(255, 255, 255, .8);
    font-size: 1.08rem;
    margin-bottom: 1.7rem;
    max-width: 34rem;
}

.hero__acoes { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 1.8rem; }

.hero__checklist { display: grid; gap: .5rem; }
.hero__checklist li {
    position: relative;
    padding-left: 1.7rem;
    color: rgba(255, 255, 255, .88);
    font-weight: 600;
    font-size: .95rem;
}
.hero__checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: -1px;
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--azul-claro);
    color: var(--azul-escuro);
    font-size: .7rem;
    font-weight: 800;
}

/* Painel flutuante de estatísticas */
.hero__painel {
    position: relative;
    background: var(--branco);
    border-radius: var(--raio);
    padding: 1.6rem;
    box-shadow: var(--sombra);
}
.hero__painel-titulo { color: var(--texto-suave); font-size: .92rem; margin-bottom: 1.1rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--cinza-borda); }
.hero__painel-titulo strong { color: var(--azul-escuro); }

.hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.stat {
    display: grid;
    gap: .15rem;
    padding: 1rem .6rem;
    background: var(--azul-claro-bg);
    border-radius: 10px;
    text-align: center;
}
.stat strong { color: var(--azul); font-size: 1.4rem; font-weight: 800; }
.stat span { color: var(--texto-suave); font-size: .78rem; }

/* ===== Seções genéricas ===== */
.secao__tag {
    display: inline-block;
    padding: .35rem .9rem;
    margin-bottom: .8rem;
    border-radius: var(--raio-pill);
    background: var(--azul-claro-bg);
    color: var(--azul-forte);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.secao__tag--claro { background: rgba(95, 199, 242, .18); color: var(--azul-claro); }

.secao__cabecalho h2 { margin-top: .3rem; }
.secao__cabecalho--centro { max-width: 40rem; margin: 0 auto 2.75rem; text-align: center; }
.secao__cabecalho--claro h2 { color: var(--branco); }
.secao__descricao { color: var(--texto-suave); margin-top: .6rem; }
.secao__cabecalho--claro .secao__descricao { color: rgba(255, 255, 255, .72); }

/* ===== Vantagens ===== */
.vantagens { padding: 4rem 0; }
.vantagens__grid { display: grid; gap: 1.5rem; }

.vantagem {
    display: grid;
    gap: .7rem;
    padding: 1.75rem 1.5rem;
    background: var(--branco);
    border: 1px solid var(--cinza-borda);
    border-radius: var(--raio);
    transition: transform var(--transicao), box-shadow var(--transicao), border-color var(--transicao);
}
.vantagem:hover { transform: translateY(-5px); box-shadow: var(--sombra-cartao); border-color: transparent; }

.vantagem__icone {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(140deg, var(--azul), var(--azul-claro));
    color: var(--branco);
    box-shadow: 0 10px 20px rgba(18, 152, 209, .3);
}

.vantagem p { color: var(--texto-suave); font-size: .93rem; }

/* ===== Sobre ===== */
.sobre { padding: 4rem 0; background: var(--azul-claro-bg); }
.sobre__grid { max-width: 46rem; }
.sobre p { color: var(--texto-suave); margin-top: 1rem; }
.sobre h2 { margin-top: .4rem; }

/* ===== Serviços ===== */
.servicos { padding: 4rem 0; }
.servicos__grid { display: grid; gap: 1.5rem; }

.card-servico {
    position: relative;
    display: grid;
    gap: .6rem;
    align-content: start;
    padding: 1.9rem 1.6rem;
    background: var(--branco);
    border: 1px solid var(--cinza-borda);
    border-radius: var(--raio);
    transition: transform var(--transicao), box-shadow var(--transicao);
}
.card-servico:hover { transform: translateY(-6px); box-shadow: var(--sombra-cartao); }

.card-servico--destaque {
    background: linear-gradient(160deg, var(--azul-escuro-2), var(--azul-escuro));
    border-color: transparent;
    box-shadow: var(--sombra);
}
.card-servico--destaque h3,
.card-servico--destaque p { color: var(--branco); }
.card-servico--destaque .card-servico__numero { color: var(--azul-claro); }
.card-servico--destaque .card-servico__link { color: var(--azul-claro); }

.card-servico__numero {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--azul);
}

.card-servico > p { color: var(--texto-suave); font-size: .94rem; }
.card-servico__link { color: var(--azul); font-weight: 700; font-size: .92rem; margin-top: .3rem; }
.card-servico__link:hover { text-decoration: underline; }

/* ===== Como funciona ===== */
.como-funciona { padding: 4rem 0; background: var(--azul-escuro); color: var(--branco); }

.passos { display: grid; gap: 2rem; }
.passos li { display: grid; gap: .5rem; }

.passos__numero {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--azul), var(--azul-claro));
    color: var(--branco);
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 8px 18px rgba(18, 152, 209, .4);
}

.passos h3 { color: var(--branco); }
.passos p { color: rgba(255, 255, 255, .72); font-size: .93rem; }

/* ===== Dúvidas frequentes ===== */
.duvidas { padding: 4rem 0; background: var(--azul-claro-bg); }
.faq { display: grid; gap: .9rem; max-width: 48rem; margin: 0 auto; }
.faq__item {
    background: var(--branco);
    border: 1px solid var(--cinza-borda);
    border-radius: 10px;
    padding: 1.1rem 1.3rem;
}
.faq__item summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--azul-escuro);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
    content: "+";
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--azul-claro-bg);
    color: var(--azul);
    font-weight: 800;
    transition: transform var(--transicao);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { color: var(--texto-suave); font-size: .93rem; margin-top: .8rem; }

/* ===== Contato ===== */
.contato {
    padding: 4rem 0;
    background: radial-gradient(90% 100% at 15% 0%, var(--azul-escuro-3) 0%, var(--azul-escuro) 55%), var(--azul-escuro);
    color: var(--branco);
}

.contato__grid { display: grid; gap: 2.25rem; align-items: start; }

.contato__texto h2 { color: var(--branco); margin: .4rem 0 .8rem; }
.contato__texto p { color: rgba(255, 255, 255, .78); margin-bottom: 1.4rem; }

.contato__dados { display: grid; gap: 1rem; margin-top: 2rem; }
.contato__dados dt { color: var(--azul-claro); font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; margin-bottom: .2rem; }
.contato__dados dd { color: rgba(255, 255, 255, .82); font-size: .93rem; }

.formulario {
    background: var(--branco);
    border-radius: var(--raio);
    padding: 1.85rem 1.5rem;
    box-shadow: var(--sombra);
    display: grid;
    gap: 1rem;
}

.campo-linha { display: grid; gap: 1rem; }

.campo { display: grid; gap: .3rem; }
.campo label { font-weight: 700; font-size: .87rem; color: var(--azul-escuro); }

.campo input,
.campo select {
    width: 100%;
    padding: .78rem .9rem;
    border: 1.5px solid var(--cinza-borda);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--texto);
    background: var(--azul-claro-bg);
    transition: border-color var(--transicao), background var(--transicao);
}
.campo input:focus,
.campo select:focus {
    outline: none;
    border-color: var(--azul);
    background: var(--branco);
    box-shadow: 0 0 0 3px rgba(18, 152, 209, .16);
}
.campo input.invalido,
.campo select.invalido { border-color: #d9414f; background: #fff6f6; }

.campo__erro { min-height: 1rem; color: #d9414f; font-size: .8rem; font-weight: 600; }

/* Honeypot invisível */
.campo--hp { position: absolute; left: -9999px; top: -9999px; }

.formulario__retorno { min-height: 1.3rem; font-size: .92rem; font-weight: 700; text-align: center; }
.formulario__retorno.ok { color: #0f7fb4; }
.formulario__retorno.erro { color: #d9414f; }

/* ===== Rodapé ===== */
.rodape { background: #081b2c; color: rgba(255, 255, 255, .55); padding: 2.5rem 0 0; font-size: .89rem; }
.rodape__grid { display: grid; gap: 1.8rem; padding-bottom: 2rem; }
.rodape__coluna { display: grid; gap: .55rem; align-content: start; }
.rodape__logo-img { height: 38px; width: auto; filter: brightness(0) invert(1); opacity: .92; margin-bottom: .3rem; }
.rodape h4 { color: var(--branco); font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; margin-bottom: .2rem; }
.rodape__coluna a { transition: color var(--transicao); }
.rodape__coluna a:hover { color: var(--azul-claro); }
.rodape__base { border-top: 1px solid rgba(255, 255, 255, .1); padding: 1.1rem 0; text-align: center; font-size: .82rem; display: grid; gap: .4rem; }
.rodape__links span { cursor: default; }
.rodape__credito { opacity: .75; }
.rodape__credito a { font-weight: 700; transition: color var(--transicao); }
.rodape__credito a:hover { color: var(--azul-claro); }

/* ===== WhatsApp flutuante (verde mantido: cor universal do app) ===== */
.whats-flutuante {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 60;
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--whatsapp);
    color: #fff;
    box-shadow: 0 10px 24px rgba(37, 211, 102, .45);
    transition: transform var(--transicao), background var(--transicao);
    animation: pulsar 2.6s ease-in-out infinite;
}
.whats-flutuante:hover { transform: scale(1.08); background: var(--whatsapp-escuro); animation: none; }
@keyframes pulsar {
    0%, 100% { box-shadow: 0 10px 24px rgba(37, 211, 102, .45), 0 0 0 0 rgba(37, 211, 102, .4); }
    60% { box-shadow: 0 10px 24px rgba(37, 211, 102, .45), 0 0 0 16px rgba(37, 211, 102, 0); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ============================================================
   TABLET — ≥ 620px
   ============================================================ */
@media (min-width: 620px) {
    .campo-linha { grid-template-columns: 1fr 1fr; }
    .hero__stats { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   TABLET — ≥ 720px
   ============================================================ */
@media (min-width: 720px) {
    .vantagens__grid { grid-template-columns: repeat(2, 1fr); }
    .servicos__grid { grid-template-columns: repeat(2, 1fr); }
    .passos { grid-template-columns: repeat(2, 1fr); }
    .formulario { padding: 2.2rem 2rem; }
}

/* ============================================================
   DESKTOP — ≥ 1024px
   ============================================================ */
@media (min-width: 1024px) {
    .nav__toggle { display: none; }

    .nav__menu {
        position: static;
        flex-direction: row;
        align-items: center;
        gap: .3rem;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
        transform: none;
    }
    .nav__link { padding: .55rem .9rem; }
    .nav__cta { margin: 0 0 0 .8rem; }

    .hero { padding: 5.5rem 0 6rem; }
    .hero__grid { grid-template-columns: 1.2fr .8fr; align-items: center; gap: 3rem; }
    .hero__stats { grid-template-columns: repeat(2, 1fr); }

    .vantagens__grid { grid-template-columns: repeat(4, 1fr); }

    .servicos__grid { grid-template-columns: repeat(3, 1fr); }

    .passos { grid-template-columns: repeat(4, 1fr); }

    .contato__grid { grid-template-columns: .9fr 1.1fr; gap: 3.5rem; }
    .contato__texto { position: sticky; top: 110px; }

    .rodape__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

/* ============================================================
   ULTRAWIDE — ≥ 1600px
   ============================================================ */
@media (min-width: 1600px) {
    .container { width: min(100% - 4rem, 1320px); }
    .hero { padding: 7rem 0 7.5rem; }
}