:root{

    --bg:#050505;
    --bg-soft:#0d0d0d;
    --card:#121212;

    --primary:#ff9800;
    --primary-hover:#ffb13b;

    --text:#f5f5f5;
    --text-soft:#bdbdbd;

    --border:#232323;

    --shadow:
        0 0 20px rgba(255,152,0,.10);

}

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

html{
    scroll-behavior:smooth;
}

body{

    background:var(--bg);
    color:var(--text);

    font-family:
        "Segoe UI",
        Tahoma,
        Geneva,
        Verdana,
        sans-serif;

    overflow-x:hidden;
}

a{
    text-decoration:none;
}

img{
    max-width:100%;
}

/* HEADER */

.main-header{

    position:fixed;
    top:0;
    left:0;

    width:100%;

    z-index:999;

    background:rgba(5,5,5,.88);

    backdrop-filter:blur(10px);

    border-bottom:1px solid rgba(255,255,255,.05);

}

.navbar{

    min-height:130px;

    padding:10px 0;

    display:flex;
    align-items:center;
}

.logo{

    height:170px;

    width:auto;

    display:block;
}

.nav-link{

    color:var(--text) !important;

    font-size:15px;
    font-weight:500;

    margin-left:18px;

    transition:.3s;
}

.nav-link:hover{
    color:var(--primary) !important;
}

.social-link{

    width:42px;
    height:42px;

    border-radius:50%;

    background:rgba(255,152,0,.10);

    border:1px solid rgba(255,152,0,.15);

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

    color:var(--primary);

    transition:.3s;
}

.social-link:hover{

    background:var(--primary);

    color:#000;

    transform:translateY(-3px);
}

/* HERO */

.hero-section{

    min-height:100vh;

    display:flex;
    align-items:center;

    position:relative;

    padding-top:190px;

    background:
        radial-gradient(circle at top right,
        rgba(255,152,0,.15),
        transparent 35%),

        radial-gradient(circle at bottom left,
        rgba(255,152,0,.08),
        transparent 30%),

        var(--bg);
}

.hero-content{
    position:relative;
    z-index:2;
}

.hero-badge{

    display:inline-block;

    padding:10px 20px;

    border-radius:50px;

    background:rgba(255,152,0,.12);

    border:1px solid rgba(255,152,0,.20);

    color:var(--primary);

    font-size:14px;
    font-weight:600;

    margin-bottom:25px;
}

.hero-content h1{

    font-size:58px;
    font-weight:800;

    line-height:1.1;

    margin-bottom:25px;
}

.hero-content p{

    color:var(--text-soft);

    font-size:18px;
    line-height:1.8;

    margin-bottom:35px;
}

.hero-buttons{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
}

.btn-primary-custom{

    background:var(--primary);
    color:#000;

    padding:14px 28px;

    border-radius:12px;

    font-weight:700;

    transition:.3s;

    border:none;
}

.btn-primary-custom:hover{

    background:var(--primary-hover);

    transform:translateY(-2px);

    color:#000;
}

.btn-outline-custom{

    border:1px solid rgba(255,152,0,.25);

    color:var(--primary);

    padding:14px 28px;

    border-radius:12px;

    font-weight:700;

    transition:.3s;
}

.btn-outline-custom:hover{

    background:var(--primary);

    color:#000;
}

.hero-logo{

    max-width:560px;

    animation:float 5s ease-in-out infinite;
}

@keyframes float{

    0%{
        transform:translateY(0px);
    }

    50%{
        transform:translateY(-12px);
    }

    100%{
        transform:translateY(0px);
    }
}

/* SECTIONS */

.section-dark,
.section-sistemas{

    padding:110px 0;

    position:relative;
}

.section-dark{
    background:var(--bg-soft);
}

.section-title{

    text-align:center;

    margin-bottom:60px;
}

.section-title h2{

    font-size:42px;
    font-weight:800;

    margin-bottom:18px;

    color:#fff;
}

.section-title p{

    max-width:820px;

    margin:auto;

    color:var(--text-soft);

    font-size:18px;
    line-height:1.8;
}

/* SISTEMAS */

.sistema-card{

    background:var(--card);

    border:1px solid var(--border);

    border-radius:22px;

    overflow:hidden;

    transition:.4s;

    height:100%;

    box-shadow:var(--shadow);
}

.sistema-card:hover{

    transform:translateY(-8px);

    border-color:rgba(255,152,0,.25);
}

.sistema-imagem{

    width:100%;
    height:240px;

    object-fit:cover;

    background:#000;
}

.sistema-body{
    padding:28px;
}

.sistema-body h3{

    font-size:24px;
    font-weight:700;

    margin-bottom:15px;
}

.sistema-body p{

    color:var(--text-soft);

    line-height:1.7;

    margin-bottom:25px;
}

.btn-card{

    background:var(--primary);

    color:#000;

    border:none;

    padding:12px 22px;

    border-radius:10px;

    font-weight:700;

    transition:.3s;
}

.btn-card:hover{

    background:var(--primary-hover);

    color:#000;
}

/* MODAL */

.modal-dark{

    background:#101010;

    border:1px solid rgba(255,152,0,.15);

    border-radius:20px;

    color:#fff;
}

.modal-imagem{

    width:100%;

    border-radius:18px;

    margin-bottom:30px;
}

.modal-descricao{

    color:var(--text-soft);

    line-height:1.9;

    font-size:17px;
}

/* EMPTY */

.empty-sistemas{

    background:#101010;

    border:1px dashed rgba(255,152,0,.20);

    border-radius:18px;

    padding:50px;

    text-align:center;

    color:var(--text-soft);
}

/* FOOTER */

.main-footer{

    background:#040404;

    border-top:1px solid rgba(255,255,255,.05);

    padding:80px 0 40px;
}

.footer-top{

    display:flex;
    flex-direction:column;
    align-items:center;

    text-align:center;

    margin-bottom:40px;
}

.footer-logo img{
    height:170px;
}

.footer-slogan{

    margin-top:20px;

    color:var(--primary);

    font-size:18px;
    font-weight:600;
}

.footer-menu,
.footer-links{

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

    gap:20px;

    flex-wrap:wrap;

    margin-bottom:22px;
}

.footer-menu a,
.footer-links a{

    color:var(--text-soft);

    transition:.3s;
}

.footer-menu a:hover,
.footer-links a:hover{

    color:var(--primary);
}

.footer-copy{

    text-align:center;

    color:#8a8a8a;

    margin-top:30px;

    font-size:14px;
}

/* RESPONSIVO */

@media(max-width:991px){

    .hero-section{

        text-align:center;

        padding-top:170px;
    }

    .hero-content h1{
        font-size:42px;
    }

    .hero-logo{

        margin-top:50px;

        max-width:380px;
    }

    .hero-buttons{
        justify-content:center;
    }

    .navbar-collapse{

        background:#0a0a0a;

        padding:20px;

        border-radius:18px;

        margin-top:20px;
    }

    .nav-link{
        margin-left:0;
        margin-bottom:12px;
    }

    .social-link{
        margin-top:10px;
    }
}

@media(max-width:768px){

    .hero-content h1{
        font-size:34px;
    }

    .section-title h2{
        font-size:34px;
    }

    .section-dark,
    .section-sistemas{
        padding:90px 0;
    }

    .logo{
        height:60px;
    }

    .hero-logo{
        max-width:300px;
    }
}

@media(max-width:576px){

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

    .hero-content p{
        font-size:16px;
    }

    .hero-badge{
        font-size:12px;
    }

    .btn-primary-custom,
    .btn-outline-custom{

        width:100%;
    }

    .footer-logo img{
        height:70px;
    }
}