:root {
    --primary: #0077ff;
    --dark: #111;
    --light: #f5f7fa;
    --text: #333;
    --whatsapp: #25d366;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text);
    line-height: 1.6;
    background: #fff;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* HEADER */
.header {
    background: var(--dark);
    color: #fff;
    padding: 15px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
}

/* BOTÕES */
.btn {
    background: var(--whatsapp);
    color: #fff;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 6px;
    display: inline-block;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary);
}

/* HERO */
.hero {
    background: var(--light);
    padding: 70px 0;
}

.hero-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    margin-bottom: 20px;
    font-size: 34px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
}

/* SEÇÕES GERAIS */
.section {
    padding: 70px 0;
    text-align: center;
}

.section-gray {
    background: #f1f1f1;
}

h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

p {
    font-size: 17px;
    margin-bottom: 15px;
}

/* PROBLEMA, SOLUÇÃO, OFERTA */
.cont-problema,
.cont-solucao,
.cont-oferta-box {
    display: flex;
    gap: 40px;
    align-items: center;
}

.text-problema,
.text-solucao,
.oferta-box {
    flex: 1;
}

.problema-img,
.solucao-img,
.oferta-img {
    flex: 1;
}

.problema-img img,
.solucao-img img,
.oferta-img img {
    width: 100%;
    border-radius: 12px;
}

/* CARDS */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    font-weight: bold;
}

/* PORTFÓLIO */
.portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.portfolio-item {
    text-decoration: none;
    color: var(--text);
    transition: 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item img {
    width: 100%;
    border-radius: 10px;
}

/* OFERTA */
.oferta {
    background: var(--primary);
    color: #fff;
    padding: 70px 0;
}

.oferta-preco {
    font-size: 34px;
    margin: 20px 0;
    font-weight: bold;
}

/* FOOTER */
.footer {
    background: var(--dark);
    color: #fff;
    text-align: center;
    padding: 25px 0;
}

.copy {
    font-size: 14px;
}

.link-site {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

/* RESPONSIVO */
@media (max-width: 992px) {
    .hero-content,
    .cont-problema,
    .cont-solucao,
    .cont-oferta-box {
        flex-direction: column;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        text-align: center;
    }

    h2 {
        font-size: 24px;
    }

    .oferta-preco {
        font-size: 28px;
    }
}
