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

body {
    font-family: "Inter", Arial, sans-serif;
    background: #0c1117;
    color: #ffffff;
    line-height: 1.6;
}

/* =========================
   CONTAINER
========================= */
.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* =========================
   HEADER
========================= */
.topo {
    background: linear-gradient(135deg, #001018, #0f1f2e);
    padding: 60px 0;
    text-align: center;
    border-bottom: 3px solid #00cfff;
}

.topo h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #00cfff;
}

.btn-voltar {
    display: inline-block;
    padding: 12px 25px;
    background: #00cfff;
    color: #001018;
    font-weight: bold;
    text-decoration: none;
    border-radius: 40px;
    transition: 0.3s;
}

.btn-voltar:hover {
    background: #007cff;
    color: #fff;
}

/* =========================
   GALERIA GRID
========================= */
.galeria {
    padding: 70px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

/* =========================
   ITENS
========================= */
.item {
    background: #141a22;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.item:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 207, 255, 0.2);
}

/* =========================
   IMAGENS E VÍDEOS
========================= */
.item img,
.item video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* =========================
   FOOTER
========================= */
footer {
    text-align: center;
    padding: 25px;
    background: #06090d;
    font-size: 0.9rem;
    color: #aaa;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* =========================
   RESPONSIVO
========================= */
@media (max-width: 768px) {
    .topo h1 {
        font-size: 1.8rem;
    }

    .galeria {
        gap: 18px;
    }
}