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

/* =========================
   VARIÁVEIS
========================= */
:root {
    --bg-main: #0b1118;
    --bg-soft: #141c27;
    --bg-card: #182231;
    --primary: #3aa0ff;
    --text-main: #ffffff;
    --text-soft: #b6c0d1;
    --border-soft: rgba(255,255,255,0.08);
}

/* =========================
   BASE
========================= */
body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-main), var(--bg-soft));
    color: var(--text-main);
    min-height: 100vh;
}

/* =========================
   TOP BAR
========================= */
.topbar {
    position: relative; /* 🔑 IMPORTANTE */
    z-index: 50; /* 🔑 GARANTE CLIQUE */
    border-bottom: 1px solid var(--border-soft);
    padding: 48px 8%;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* BRAND */
.brand {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    width: 104px;
}

.brand-text {
    line-height: 1.05;
}

.brand-motion,
.brand-sync {
    font-size: 2.2rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.brand-motion {
    font-weight: 500;
}

.brand-sync {
    font-weight: 800;
    color: var(--primary);
}

/* CONTATO */
.topbar-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 1.15rem;
}

.contact-line {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-contact a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    position: relative;
    z-index: 100;
    pointer-events: auto;
}

.topbar * {
    pointer-events: auto;
}

.contact-location {
    font-size: 0.95rem;
    color: var(--text-soft);
    padding-left: 22px;
}

/* =========================
   INTRO
========================= */
.intro {
    padding: 64px 8% 48px;
}

    .intro h1 {
        font-size: clamp(2rem, 2.6vw, 2.4rem);
        font-weight: 500;
        line-height: 1.25;
        margin-bottom: 18px;
    }

.subtitle {
    font-size: 1.05rem;
    color: var(--text-soft);
    max-width: 560px;
}

/* =========================
   SERVICES
========================= */
.services {
    padding: 70px 8% 90px;
}

    .services h2 {
        font-size: 1.9rem;
        margin-bottom: 46px;
        position: relative;
    }

        .services h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -14px;
            width: 56px;
            height: 3px;
            background: var(--primary);
        }

/* =========================
   CARDS (GRID)
========================= */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

/* =========================
   CARD BASE
========================= */
.card {
    position: relative;
    background: linear-gradient(180deg, var(--bg-card), #121a25);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-soft);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.35s ease;
}

    .card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(0,0,0,0.45);
    }

    /* DESTAQUE */
    .card.destaque {
        border-color: rgba(58,160,255,0.7);
    }

    /* TEXTO */
    .card h3 {
        margin-bottom: 14px;
    }

    .card p {
        font-size: 0.95rem;
        color: var(--text-soft);
    }

/* =========================
   CARD EXPANSÍVEL
========================= */
.card-extra {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
    transition: max-height 0.45s ease, opacity 0.35s ease, margin-top 0.35s ease;
}

/* ABERTO */
.card.active .card-extra {
    max-height: 360px;
    opacity: 1;
    margin-top: 18px;
}

/* SETA */
.card::after {
    content: "▼";
    position: absolute;
    bottom: 18px;
    right: 22px;
    font-size: 0.75rem;
    color: var(--text-soft);
    transition: transform 0.3s ease;
    pointer-events: none;
}

.card.active::after {
    transform: rotate(180deg);
}

/* DESTAQUE AO ABRIR */
.card.active {
    border-color: rgba(58,160,255,0.7);
    box-shadow: 0 26px 52px rgba(0,0,0,0.55);
}

/* =========================
   FOOTER
========================= */
footer {
    background: rgba(255,255,255,0.06);
    border-top: 1px solid var(--border-soft);
    padding: 32px 8%;
    text-align: center;
    font-size: 0.9rem;
    color: #ffffff;
}
    footer a {
        color: rgba(255,255,255,0.90) !important;
        text-decoration: none;
        font-weight: 700;
    }

        footer a:hover {
            color: var(--primary) !important;
            text-decoration: underline;
        }

/* =========================
   MOBILE
========================= */
@media (max-width: 900px) {

    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 22px;
    }

    .logo {
        width: 80px;
    }

    .brand-motion,
    .brand-sync {
        font-size: 1.6rem;
        letter-spacing: 0.18em;
    }

    .topbar-contact {
        font-size: 1rem;
    }

    .intro {
        padding: 48px 8% 36px;
    }

        .intro h1 {
            font-size: 1.9rem;
        }

    .services {
        padding: 56px 8% 72px;
    }

    .card {
        padding: 26px;
    }

}