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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Montserrat', sans-serif;
    background:#0b0b0b;
    color:white;
    overflow-x:hidden;
}

.container{
    width:90%;
    max-width:1400px;
    margin:auto;
}

a{
    text-decoration:none;
}

/* HEADER */

.header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    background:rgba(0,0,0,0.88);
    backdrop-filter:blur(12px);
    z-index:999;
    border-bottom:1px solid rgba(255,255,255,0.05);
}

.nav{
    height:100px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo img{
    height:78px;
}

nav ul{
    display:flex;
    gap:40px;
    list-style:none;
}

nav a{
    color:white;
    font-weight:600;
    font-size:15px;
    transition:0.3s;
}

nav a:hover{
    color:#ff6b00;
}

.btn-nav{
    background:#ff6b00;
    color:white;
    padding:16px 28px;
    border-radius:6px;
    font-weight:700;
    transition:0.3s;
}

.btn-nav:hover{
    background:#ff7d26;
}

/* HERO */

.hero{

    min-height:100vh;

    background:
    linear-gradient(
    rgba(0,0,0,0.72),
    rgba(0,0,0,0.78)
    ),

    url('https://transportemundial.com.ar/wp-content/uploads/2020/04/logistica-abastecimiento.jpg');

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

    display:flex;
    align-items:center;
}

.hero-content{
    max-width:760px;
    padding-top:60px;
    margin-left:40px;
}

.hero-tag{
    color:#ff6b00;
    font-weight:700;
    letter-spacing:2px;
    margin-bottom:25px;
    font-size:14px;
}

.hero h1{
    font-size:68px;
    line-height:1.08;
    margin-bottom:35px;
    font-weight:800;
    max-width:760px;
}

.hero-text{
    font-size:20px;
    line-height:1.9;
    color:#d7d7d7;
    margin-bottom:50px;
    max-width:620px;
    text-align:justify;
}

.hero-buttons{
    display:flex;
    gap:20px;
}

.btn-primary{
    background:#ff6b00;
    color:white;
    padding:18px 34px;
    border-radius:6px;
    font-weight:700;
    transition:0.3s;
}

.btn-primary:hover{
    background:#ff7d26;
}

.btn-secondary{
    border:2px solid rgba(255,255,255,0.7);
    color:white;
    padding:18px 34px;
    border-radius:6px;
    font-weight:700;
    transition:0.3s;
}

.btn-secondary:hover{
    border-color:#ff6b00;
    color:#ff6b00;
}

/* ABOUT */

.about{
    background:#f5f5f5;
    color:#111;
    padding:130px 0;
}

.about-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px;
    align-items:center;
}

.section-tag{
    color:#ff6b00;
    font-weight:700;
    margin-bottom:18px;
    letter-spacing:1px;
}

.about h2{
    font-size:54px;
    margin-bottom:30px;
    line-height:1.15;
}

.about p{
    line-height:1.9;
    font-size:18px;
    color:#333;
}

.features{
    margin-top:45px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
}

.feature-item{
    background:white;
    padding:18px;
    border-left:4px solid #ff6b00;
    border-radius:6px;
    font-weight:600;
    box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

.about-image{
    height:540px;
    border-radius:12px;

    background:
    url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?q=80&w=1974&auto=format&fit=crop');

    background-size:cover;
    background-position:center;
}

/* SERVICES */

.services{
    padding:130px 0;
    background:#080808;
}

.center{
    text-align:center;
}

.center-title{
    text-align:center;
    font-size:50px;
    margin-bottom:70px;
}

.services-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
}

.service-card{
    background:#111;
    border:1px solid #242424;
    padding:45px 35px;
    border-radius:12px;
    transition:0.35s;
}

.service-card:hover{
    transform:translateY(-10px);
    border-color:#ff6b00;
    box-shadow:0 20px 40px rgba(0,0,0,0.4);
}

.service-card h3{
    margin-bottom:20px;
    font-size:26px;
    line-height:1.3;
}

.service-card p{
    color:#bdbdbd;
    line-height:1.9;
}

/* CONTACT */

.contact{
    background:#f5f5f5;
    color:#111;
    padding:120px 0;
}

.contact-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:60px;
}

.contact h2{
    font-size:54px;
    margin-bottom:20px;
}

.contact p{
    font-size:18px;
    line-height:1.9;
    color:#444;
}

.mail-box{
    background:white;
    padding:45px;
    border-radius:12px;
    min-width:420px;
    box-shadow:0 20px 40px rgba(0,0,0,0.08);
}

.mail-box h3{
    margin-bottom:25px;
    color:#ff6b00;
    font-size:20px;
}

.mail-box p{
    margin-bottom:14px;
    font-weight:600;
    color:#111;
}

/* FOOTER */

footer{
    background:#050505;
    padding-top:90px;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:60px;
    padding-bottom:60px;
}

.footer-brand img{
    height:80px;
    margin-bottom:20px;
}

.footer-brand p{
    color:white;
    margin-bottom:12px;
    font-weight:600;
}

.footer-brand span{
    color:#ff6b00;
    font-weight:700;
}

footer h4{
    color:#ff6b00;
    margin-bottom:20px;
    font-size:18px;
}

footer ul{
    list-style:none;
}

footer li{
    margin-bottom:14px;
}

footer a{
    color:#cfcfcf;
    transition:0.3s;
}

footer a:hover{
    color:#ff6b00;
}

footer p{
    color:#cfcfcf;
    margin-bottom:14px;
}

.footer-bottom{
    border-top:1px solid #1d1d1d;
    padding:25px;
    text-align:center;
    color:#8d8d8d;
    font-size:14px;
}

/* RESPONSIVE */

@media(max-width:991px){

    nav{
        display:none;
    }

    .hero{
        padding:180px 0 120px;
    }

    .hero-content{
        margin-left:0;
        padding-top:0;
    }

    .hero h1{
        font-size:46px;
    }

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

    .hero-buttons{
        flex-direction:column;
    }

    .about-grid,
    .contact-container{
        grid-template-columns:1fr;
        display:grid;
    }

    .features{
        grid-template-columns:1fr;
    }

    .center-title,
    .about h2,
    .contact h2{
        font-size:38px;
    }

    .mail-box{
        min-width:100%;
    }

    .about-image{
        height:400px;
    }
}
/* =========================
   FORMULARIO
========================= */

.contact-form-box{
    max-width:950px;
    margin:auto;
    margin-top:60px;
    background:white;
    padding:50px;
    border-radius:14px;
    box-shadow:0 20px 40px rgba(0,0,0,0.08);
}

form{
    width:100%;
}

.form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:25px;
    margin-bottom:25px;
}

.input-group{
    display:flex;
    flex-direction:column;
}

.input-group label{
    margin-bottom:10px;
    color:#111;
    font-weight:600;
}

.input-group input,
.input-group textarea{
    width:100%;
    padding:18px;
    border:1px solid #dcdcdc;
    border-radius:8px;
    font-family:'Montserrat', sans-serif;
    font-size:16px;
    outline:none;
    transition:0.3s;
}

.input-group input:focus,
.input-group textarea:focus{
    border-color:#ff6b00;
}

.input-group textarea{
    resize:none;
    margin-top:10px;
}

.btn-form{
    background:#ff6b00;
    color:white;
    border:none;
    padding:18px 40px;
    border-radius:8px;
    font-weight:700;
    font-size:16px;
    cursor:pointer;
    transition:0.3s;
    margin-top:25px;
}

.btn-form:hover{
    background:#ff7d26;
}

@media(max-width:991px){

    .form-grid{
        grid-template-columns:1fr;
    }

    .contact-form-box{
        padding:30px;
    }

}