:root {
    --azul: #0a2a43;
    --azul-escuro: #071d2d;
    --amarelo: #ffcc00;
    --verde-whats: #25d366;
    --cinza-bg: #f7f8fa;
    --cinza-txt: #333;
    --radius: 10px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Reset base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--cinza-txt);
    background: var(--cinza-bg);
    line-height: 1.6;
}

/* Containers */
.wrap {
    width: 100%;
    max-width: 1120px;
    margin-inline: auto;
    padding-inline: 20px;
}

/* Topo */
.topo {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--azul);
    color: #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.topo__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}
.brand__logo {
    width: 40px;
    height: auto;
    object-fit: contain;
}
.brand__name {
    font-weight: 700;
    letter-spacing: 0.2px;
}

.menu {
    display: flex;
    gap: 22px;
}
.menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 6px;
    border-radius: 6px;
    transition: background 0.25s, color 0.25s;
}
.menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* Toggle mobile */
.nav-toggle {
    display: none;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 8px 10px;
    border-radius: 8px;
    font-weight: 700;
}

/* Hero */
.hero {
    background: linear-gradient(180deg, rgba(10, 42, 67, 0.92), rgba(10, 42, 67, 0.82)),
        url("banner.jpg") center/cover no-repeat;
    color: #fff;
}
.hero__content {
    padding: 96px 20px;
    text-align: center;
}
.hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    margin-bottom: 14px;
}
.hero p {
    font-size: clamp(16px, 2.2vw, 20px);
    opacity: 0.95;
    margin-bottom: 26px;
}

.cta-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    border-radius: 10px;
    padding: 12px 20px;
    font-weight: 700;
    border: 2px solid transparent;
    transition: transform 0.06s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:active {
    transform: translateY(1px);
}
.btn--primary {
    background: var(--amarelo);
    color: var(--azul-escuro);
    box-shadow: var(--shadow);
}
.btn--primary:hover {
    filter: brightness(0.95);
}
.btn--outline {
    background: transparent;
    color: var(--azul);
    border-color: var(--azul);
}
.btn--outline:hover {
    background: var(--azul);
    color: #fff;
}
.btn--whatsapp {
    background: var(--verde-whats);
    color: #fff;
}
.btn--whatsapp:hover {
    filter: brightness(0.95);
}

/* Seções */
section {
    padding: 60px 0;
}
.sobre p {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
}

/* Serviços */
.servicos {
    background: #fff;
}
.servicos h2,
.sobre h2,
.contato h2 {
    color: var(--azul);
    text-align: center;
    margin-bottom: 24px;
}
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    background: var(--cinza-bg);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease;
}
.card:hover {
    transform: translateY(-4px);
}
.card h3 {
    margin-bottom: 8px;
    color: var(--azul);
}

/* Contato */
.contato {
    background: linear-gradient(180deg, #fff, #f3f5f8);
}
.contato__grid {
    display: grid;
    gap: 28px;
    align-items: start;
    grid-template-columns: 1.1fr 0.9fr;
}
.contato__texto p {
    margin-bottom: 16px;
}
.contato__form {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    display: grid;
    gap: 12px;
}
label {
    display: grid;
    gap: 6px;
    font-weight: 600;
    color: var(--azul);
}
input,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9dee6;
    border-radius: 8px;
    font: inherit;
    background: #fff;
}
input:focus,
textarea:focus {
    outline: 2px solid #b5c7d9;
    border-color: #b5c7d9;
}

/* Rodapé */
.rodape {
    background: var(--azul);
    color: #fff;
}
.rodape__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    gap: 12px;
    flex-wrap: wrap;
}
.rodape a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}
.rodape a:hover {
    text-decoration: underline;
}

/* ---------- Responsividade ---------- */

/* <= 992px (tablet landscape) */
@media (max-width: 992px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .contato__grid {
        grid-template-columns: 1fr;
    }
}

/* <= 768px (tablet portrait / celular grande) */
@media (max-width: 768px) {
    .topo__inner {
        min-height: 60px;
    }
    .brand__name {
        font-size: 16px;
    }
    .nav-toggle {
        display: inline-block;
    }
    .menu {
        position: fixed;
        top: 60px;
        right: 0;
        left: 0;
        background: var(--azul);
        display: none;
        flex-direction: column;
        gap: 0;
        padding: 10px 20px 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .menu a {
        padding: 12px 8px;
    }
    .menu.menu--open {
        display: flex;
    }
    .hero__content {
        padding: 72px 20px;
    }
    section {
        padding: 44px 0;
    }
}

/* <= 520px (celular) */
@media (max-width: 520px) {
    .cards {
        grid-template-columns: 1fr;
    }
    .cta-group .btn {
        width: 100%;
        text-align: center;
    }
    .brand__logo {
        width: 34px;
    }
}