:root {
    --cor-primaria: #1d4ed8;
    --cor-primaria-escura: #1e3a8a;
    --cor-secundaria: #0f172a;
    --cor-destaque: #facc15;
    --cor-fundo: #ffffff;
    --cor-fundo-claro: #f8fafc;
    --cor-texto: #1e293b;
    --cor-texto-suave: #64748b;
    --cor-borda: #e2e8f0;
    --sombra: 0 20px 45px rgba(15, 23, 42, 0.12);
    --raio: 22px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

.container {
    width: min(1180px, 92%);
    margin: 0 auto;
}

.topo {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--cor-borda);
}

.topo-conteudo {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
}

.logo-marca {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    box-shadow: var(--sombra);
}

.logo-texto {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-texto small {
    color: var(--cor-texto-suave);
    font-size: 0.78rem;
    font-weight: 600;
}

.menu {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.95rem;
    font-weight: 600;
}

.menu a {
    color: var(--cor-texto-suave);
}

.menu a:hover {
    color: var(--cor-primaria);
}

.botao-menu {
    background: var(--cor-primaria);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 999px;
}

.botao-menu:hover {
    background: var(--cor-primaria-escura);
}

.hero {
    padding: 90px 0;
    background:
        radial-gradient(circle at top left, rgba(29, 78, 216, 0.16), transparent 32%),
        linear-gradient(135deg, #eff6ff 0%, #ffffff 55%, #f8fafc 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.etiqueta {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 7px 14px;
    border-radius: 999px;
    background: #dbeafe;
    color: var(--cor-primaria-escura);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
}

.etiqueta.clara {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
}

.hero h1 {
    max-width: 760px;
    font-size: clamp(2.2rem, 5vw, 4.4rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
    color: var(--cor-secundaria);
    margin-bottom: 24px;
}

.hero p {
    max-width: 700px;
    font-size: 1.16rem;
    color: var(--cor-texto-suave);
    margin-bottom: 30px;
}

.hero-acoes {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
}

.botao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 800;
    transition: 0.2s ease;
}

.botao.primario {
    background: var(--cor-primaria);
    color: #fff;
    box-shadow: 0 14px 30px rgba(29, 78, 216, 0.24);
}

.botao.primario:hover {
    background: var(--cor-primaria-escura);
    transform: translateY(-2px);
}

.botao.secundario {
    background: #ffffff;
    color: var(--cor-secundaria);
    border: 1px solid var(--cor-borda);
}

.botao.secundario:hover {
    border-color: var(--cor-primaria);
    color: var(--cor-primaria);
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-info div {
    min-width: 140px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--cor-borda);
    border-radius: 18px;
}

.hero-info strong {
    display: block;
    color: var(--cor-secundaria);
    font-size: 1rem;
}

.hero-info span {
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
}

.hero-card {
    background: #ffffff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 34px;
    box-shadow: var(--sombra);
}

.hero-card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--cor-secundaria);
}

.hero-card li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
    color: var(--cor-texto);
}

.hero-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 900;
    color: var(--cor-primaria);
}

.secao {
    padding: 82px 0;
}

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

.fundo-escuro {
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: #ffffff;
}

.secao-centro {
    text-align: center;
    max-width: 880px;
}

.secao h2 {
    font-size: clamp(1.9rem, 3.4vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--cor-secundaria);
    margin-bottom: 18px;
}

.fundo-escuro h2 {
    color: #ffffff;
}

.secao p {
    color: var(--cor-texto-suave);
    font-size: 1.05rem;
}

.fundo-escuro p {
    color: #dbeafe;
}

.cabecalho-secao {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 42px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    background: #ffffff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 28px;
    transition: 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra);
}

.icone {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    background: #eff6ff;
    border-radius: 18px;
    font-size: 1.6rem;
    margin-bottom: 18px;
}

.card h3 {
    color: var(--cor-secundaria);
    font-size: 1.22rem;
    margin-bottom: 10px;
}

.card p {
    font-size: 0.96rem;
}

.planos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.plano-card {
    position: relative;
    background: #ffffff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 32px;
    min-height: 340px;
    display: flex;
    flex-direction: column;
}

.plano-card.destaque {
    border: 2px solid var(--cor-primaria);
    box-shadow: var(--sombra);
    transform: translateY(-8px);
}

.plano-selo {
    position: absolute;
    top: 18px;
    right: 18px;
    background: var(--cor-destaque);
    color: #422006;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 900;
}

.plano-card h3 {
    color: var(--cor-secundaria);
    font-size: 1.45rem;
    margin-bottom: 16px;
}

.plano-card p {
    margin-bottom: 22px;
}

.preco {
    margin-top: auto;
    font-size: 2rem;
    font-weight: 900;
    color: var(--cor-primaria);
    margin-bottom: 22px;
}

.plano-botao {
    width: 100%;
    background: var(--cor-secundaria);
    color: #ffffff;
}

.plano-botao:hover {
    background: var(--cor-primaria);
}

.biblioteca-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 42px;
    align-items: center;
}

.biblioteca-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--raio);
    padding: 32px;
}

.biblioteca-box h3 {
    font-size: 1.5rem;
    margin-bottom: 18px;
}

.biblioteca-box li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.biblioteca-box li:last-child {
    border-bottom: 0;
}

.chamada-final {
    background: #ffffff;
}

.rodape {
    background: var(--cor-secundaria);
    color: #cbd5e1;
    padding: 28px 0;
}

.rodape-conteudo {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 0.92rem;
}

/* Responsividade */

@media (max-width: 960px) {
    .topo-conteudo {
        flex-direction: column;
        padding: 18px 0;
    }

    .menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-grid,
    .biblioteca-grid {
        grid-template-columns: 1fr;
    }

    .cards-grid,
    .planos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .plano-card.destaque {
        transform: none;
    }
}

@media (max-width: 640px) {
    .menu {
        gap: 12px;
        font-size: 0.88rem;
    }

    .hero {
        padding: 58px 0;
    }

    .hero-acoes,
    .hero-info {
        flex-direction: column;
    }

    .botao,
    .hero-info div {
        width: 100%;
    }

    .cards-grid,
    .planos-grid {
        grid-template-columns: 1fr;
    }

    .secao {
        padding: 58px 0;
    }

    .rodape-conteudo {
        flex-direction: column;
        text-align: center;
    }
}

.plano-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.plano-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.18);
}