* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    background: linear-gradient(180deg, #0f0f0f, #1a1a1a);
    color: #f2f2f2;
    line-height: 1.6;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

/* HEADER */
header {
    background: rgba(20,20,20,0.95);
    padding: 14px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

header img {
    height: 120px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav ul li a {
    text-decoration: none;
    color: #f2f2f2;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 8px;
    transition: 0.3s;
}

nav ul li a:hover {
    background: #00bfff;
    color: #000;
}

/* MAIN */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 140px 20px 0 20px;
    text-align: center;
}

/* HERO */
.hero {
    height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero img {
    width: 100%;
    max-width: 820px;
    height: auto;
    border-radius: 24px;
    margin: 25px 0;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.hero h1 {
    font-size: 38px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: #cfcfcf;
    max-width: 700px;
}

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

.card {
    background: linear-gradient(145deg, #1c1c1c, #262626);
    padding: 35px 25px;
    border-radius: 20px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.6);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.card p {
    color: #bfbfbf;
}

/* CONTATO */
.contact-box {
    background: linear-gradient(145deg, #1c1c1c, #262626);
    padding: 45px 30px;
    border-radius: 25px;
    max-width: 520px;
    margin: 40px auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.btn {
    display: block;
    width: 100%;
    padding: 16px;
    margin-top: 15px;
    border-radius: 14px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s;
}

.btn-whatsapp {
    background: #25d366;
    color: #000;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
}

.btn-instagram {
    background: #00bfff;
    color: #000;
}

.btn-instagram:hover {
    background: #009acd;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 25px;
    background: #121212;
    color: #888;
    font-size: 14px;
    margin-top: 80px;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
    }

    header img {
        height: 75px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero {
        min-height: auto;
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .hero img {
        max-width: 420px;
    }
}

body.home {
    overflow: hidden;
}

body.home header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
}