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

html {
    scroll-behavior: smooth;
}

body {
    background: #070B14;
    color: white;
    font-family: 'Inter', sans-serif;
}

/* HEADER */

header {
    width: 100%;

    padding: 22px 8%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    position: fixed;

    background: rgba(7, 11, 20, 0.85);

    backdrop-filter: blur(12px);

    z-index: 999;
}

/* LOGO */

.logo-area {
    display: flex;
    align-items: center;
}

.logo-area img {
    width: 150px;

    display: block;

    filter: drop-shadow(0 0 12px rgba(255,153,0,0.25));

    transition: 0.3s;
}

.logo-area img:hover {
    transform: scale(1.05);
}

/* MENU */

nav {
    display: flex;
    gap: 28px;
}

nav a {
    color: white;

    text-decoration: none;

    font-weight: 500;

    transition: 0.3s;
}

nav a:hover {
    color: #FF9900;
}

/* HERO */

.hero {
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    text-align: center;

    padding: 0 8%;
}

.hero-content {
    max-width: 900px;
}

.hero h2 {
    font-size: 68px;

    line-height: 1.1;

    margin-bottom: 24px;
}

.hero p {
    font-size: 22px;

    color: #B8C1D1;

    margin-bottom: 40px;
}

/* BUTTONS */

.buttons {
    display: flex;
    justify-content: center;

    gap: 18px;

    flex-wrap: wrap;
}

.btn-primary {
    background: #FF9900;

    color: black;

    padding: 16px 32px;

    border-radius: 12px;

    text-decoration: none;

    font-weight: 700;

    transition: 0.3s;
}

.btn-primary:hover {
    transform: translateY(-4px);

    background: #ffad29;
}

.btn-secondary {
    border: 1px solid #2B3245;

    color: white;

    padding: 16px 32px;

    border-radius: 12px;

    text-decoration: none;

    transition: 0.3s;
}

.btn-secondary:hover {
    border-color: #FF9900;
}

/* SERVICES */

.services {
    padding: 120px 8%;
}

.services h3 {
    text-align: center;

    font-size: 42px;

    margin-bottom: 60px;
}

.cards {
    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));

    gap: 28px;
}

.card {
    background: #101726;

    padding: 32px;

    border-radius: 18px;

    border: 1px solid #1F2937;

    transition: 0.3s;
}

.card:hover {
    transform: translateY(-6px);

    border-color: #FF9900;
}

.card h4 {
    margin-bottom: 18px;

    font-size: 22px;
}

.card p {
    color: #AAB3C5;

    line-height: 1.6;
}

/* ABOUT */

.about {
    padding: 120px 8%;

    text-align: center;
}

.about h3 {
    font-size: 42px;

    margin-bottom: 30px;
}

.about p {
    max-width: 800px;

    margin: auto;

    color: #B8C1D1;

    line-height: 1.8;

    font-size: 20px;
}

/* CONTACT */

.contact {
    padding: 120px 8%;

    text-align: center;
}

.contact h3 {
    font-size: 48px;

    margin-bottom: 24px;
}

.contact p {
    color: #B8C1D1;

    margin-bottom: 40px;

    font-size: 20px;
}

/* SOCIALS */

.socials {
    margin-top: 40px;

    display: flex;
    justify-content: center;

    gap: 20px;
}

.socials a {
    width: 62px;
    height: 62px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #101726;

    border: 1px solid #1F2937;

    color: white;

    font-size: 24px;

    text-decoration: none;

    transition: 0.3s;

    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.socials a:hover {
    transform: translateY(-6px) scale(1.08);

    background: #FF9900;

    color: black;

    border-color: #FF9900;
}

/* FOOTER */

footer {
    padding: 30px;

    text-align: center;

    border-top: 1px solid #1F2937;

    color: #7B8598;
}

/* BOTÃO VOLTAR TOPO */

.back-to-top {
    position: fixed;

    bottom: 30px;
    right: 30px;

    width: 60px;
    height: 60px;

    background: #FF9900;

    color: black;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    text-decoration: none;

    font-size: 30px;
    font-weight: bold;

    z-index: 99999;

    box-shadow: 0 8px 25px rgba(0,0,0,0.45);

    transition: 0.3s;
}

.back-to-top:hover {
    transform: translateY(-6px) scale(1.08);

    background: #ffad29;
}

/* WHATSAPP FLOAT */

.whatsapp-float {
    position: fixed;

    bottom: 30px;
    left: 30px;

    width: 68px;
    height: 68px;

    background: #25D366;

    color: white;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    text-decoration: none;

    font-size: 34px;

    z-index: 999999;

    box-shadow: 0 10px 30px rgba(0,0,0,0.35);

    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: translateY(-6px) scale(1.08);

    background: #2af071;
}

/* RESPONSIVO */

@media(max-width: 768px) {

    nav {
        display: none;
    }

    .hero h2 {
        font-size: 44px;
    }

    .hero p {
        font-size: 18px;
    }

    .services h3,
    .about h3,
    .contact h3 {
        font-size: 34px;
    }

    .logo-area img {
        width: 120px;
    }

    .back-to-top {
        width: 52px;
        height: 52px;

        font-size: 24px;
    }

    .whatsapp-float {
        width: 58px;
        height: 58px;

        font-size: 28px;
    }

}