:root{
    --navy:#071526;
    --blue:#1769e0;
    --blue2:#0f57c7;
    --bg:#f4f7fb;
    --text:#172638;
    --muted:#647387;
    --line:#dce5ef;
    --white:#fff;
    --max:1180px;
}

*{box-sizing:border-box}

html{
    scroll-behavior:smooth;
}

body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    color:var(--text);
    line-height:1.6;
    background:#fff;
}

a{
    text-decoration:none;
    color:inherit;
}

.container{
    width:min(var(--max),calc(100% - 40px));
    margin:auto;
}

/* TOP BAR */

.topbar{
    background:var(--navy);
    color:#d8e4f1;
    font-size:13px;
}

.topbar .container{
    display:flex;
    justify-content:space-between;
    padding:9px 0;
}

/* HEADER */

header{
    position:sticky;
    top:0;
    z-index:100;
    background:#fff;
    box-shadow:0 1px 0 var(--line);
}

nav{
    height:76px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo{
    font-size:25px;
    font-weight:900;
    color:var(--navy);
}

.logo span{
    color:var(--blue);
}

.nav-links{
    display:flex;
    gap:22px;
    align-items:center;
    font-size:14px;
    font-weight:800;
}

.nav-links a:hover{
    color:var(--blue);
}

/* BUTTONS */

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    padding:13px 20px;
    font-weight:800;
    border:0;
    cursor:pointer;
    font-size:15px;
}

.btn-primary{
    background:var(--blue);
    color:#fff;
}

.btn-primary:hover{
    background:var(--blue2);
}

.btn-outline{
    border:1px solid #7890aa;
    color:#fff;
    background:transparent;
}

/* HERO */

.hero{
    background:linear-gradient(115deg,#071526,#12304f 60%,#18508d);
    color:#fff;
}

.hero-grid{
    min-height:650px;
    display:grid;
    grid-template-columns:1.08fr .92fr;
    gap:60px;
    align-items:center;
}

.eyebrow{
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:1.7px;
    font-weight:900;
    color:#6faeff;
    margin-bottom:16px;
}

h1{
    font-size:clamp(43px,5.5vw,70px);
    line-height:1.02;
    letter-spacing:-3px;
    margin:0 0 22px;
}

.hero p{
    font-size:19px;
    color:#d4e1ef;
    max-width:670px;
}

.actions{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    margin-top:28px;
}

.hero-card{
    background:#fff;
    color:var(--text);
    padding:28px;
    border-radius:24px;
    box-shadow:0 25px 70px #0005;
}

.hero-card h3{
    margin-top:0;
}

.specs{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
}

.spec{
    background:var(--bg);
    padding:17px;
    border-radius:12px;
}

.spec strong{
    display:block;
    font-size:21px;
    color:var(--navy);
}

.spec small{
    color:var(--muted);
}

/* SECTIONS */

section{
    padding:90px 0;
}

.section-head{
    max-width:760px;
    margin-bottom:40px;
}

.section-head h2{
    font-size:clamp(32px,4vw,48px);
    line-height:1.08;
    letter-spacing:-1.6px;
    margin:0 0 13px;
}

.section-head p{
    color:var(--muted);
    font-size:17px;
}

/* CARDS */

.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
}

.card,
.audience,
.route,
.contact-item{
    border:1px solid var(--line);
    border-radius:18px;
    padding:27px;
    background:#fff;
}

.icon{
    width:45px;
    height:45px;
    border-radius:12px;
    background:#eaf2ff;
    color:var(--blue);
    display:grid;
    place-items:center;
    font-size:20px;
    margin-bottom:16px;
}

.card h3,
.audience h3{
    margin:0 0 7px;
}

.card p,
.audience p,
.route p{
    margin:0;
    color:var(--muted);
}

/* DARK SECTION */

.light{
    background:var(--bg);
}

.split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}

.dark{
    background:var(--navy);
    color:#fff;
    border-radius:28px;
    padding:42px;
}

.dark h2{
    font-size:40px;
    line-height:1.1;
}

.dark p{
    color:#c7d5e4;
}

.checks{
    list-style:none;
    padding:0;
    display:grid;
    gap:9px;
}

.checks li:before{
    content:"✓";
    color:#66aaff;
    font-weight:900;
    margin-right:10px;
}

/* AUDIENCES */

.audiences{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
}

/* CONTACT */

.contact{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:15px;
}

.contact-item small{
    display:block;
    color:var(--muted);
    margin-bottom:4px;
}

.contact-item strong{
    display:block;
}

/* FORM */

.quote{
    background:linear-gradient(135deg,#eaf2ff,#f8fbff);
}

form{
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    padding:32px;
    box-shadow:0 18px 50px #0a1e3c12;
}

.form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:15px;
}

label{
    font-size:13px;
    font-weight:800;
    display:block;
    margin-bottom:5px;
}

input,
select,
textarea{
    width:100%;
    border:1px solid #cbd7e4;
    border-radius:9px;
    padding:12px 13px;
    font:inherit;
}

input:focus,
select:focus,
textarea:focus{
    outline:2px solid #b9d3fa;
}

textarea{
    min-height:120px;
    resize:vertical;
}

.full{
    grid-column:1/-1;
}

.form-note{
    color:var(--muted);
    font-size:13px;
    margin-top:12px;
}

/* FOOTER */

footer{
    background:var(--navy);
    color:#c9d7e6;
    padding:48px 0 22px;
}

.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr;
    gap:45px;
}

.footer-grid h3{
    color:#fff;
}

.footer-grid p{
    color:#aebed0;
}

.bottom{
    border-top:1px solid #24374b;
    margin-top:35px;
    padding-top:18px;
    font-size:13px;
    display:flex;
    justify-content:space-between;
}

.mobile-btn{
    display:none;
}

/* MOBILE */

@media(max-width:850px){

    .nav-links{
        display:none;
    }

    .mobile-btn{
        display:inline-flex;
    }

    .hero-grid,
    .split{
        grid-template-columns:1fr;
    }

    .hero-grid{
        padding:75px 0;
        min-height:auto;
    }

    .cards,
    .audiences,
    .footer-grid,
    .form-grid{
        grid-template-columns:1fr;
    }

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

    .full{
        grid-column:auto;
    }

    .topbar .container{
        justify-content:center;
    }

    .topbar .container span:first-child{
        display:none;
    }

    section{
        padding:68px 0;
    }
}