:root{
    --primary:#0F4C81;
    --secondary:#00B4D8;
    --dark:#071B2E;
    --text:#4A5568;
    --light:#F7F9FC;
    --white:#ffffff;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    color:var(--text);
    background:#fff;
    overflow-x:hidden;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

img{
    max-width:100%;
    display:block;
}

a{
    text-decoration:none;
}

/* TOP BAR */

.topbar{
    background:#071B2E;
    color:#fff;
    padding:10px 0;
    overflow:hidden;
}

.marquee{
    width:100%;
    overflow:hidden;
    white-space:nowrap;
}

.marquee-content{
    display:inline-block;
    padding-left:100%;
    animation:marquee 20s linear infinite;
    font-size:14px;
    font-weight:500;
}

@keyframes marquee{
    0%{
        transform:translateX(0);
    }
    100%{
        transform:translateX(-100%);
    }
}

/* NAVBAR */

.navbar{
    background:#fff;
    padding:18px 0;
    position:sticky;
    top:0;
    z-index:999;
    box-shadow:0 3px 15px rgba(0,0,0,.05);
}

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

.logo{
    font-size:32px;
    font-weight:800;
    color:var(--dark);
}

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

.menu{
    display:flex;
    gap:30px;
}

.menu a{
    color:var(--dark);
    font-weight:500;
}

.menu a:hover{
    color:var(--secondary);
}

.btn{
    display:inline-block;
    padding:14px 30px;
    border-radius:8px;
    font-weight:600;
    transition:.3s;
}

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

.btn-primary:hover{
    transform:translateY(-3px);
}

.btn-outline{
    border:2px solid #fff;
    color:#fff;
}

/* HERO */

.hero{
    background:
    linear-gradient(rgba(7,27,46,.85),rgba(15,76,129,.85)),
    url('https://images.unsplash.com/photo-1552664730-d307ca884978?q=80&w=1600');
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:120px 0;
}

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

.hero-tag{
    display:inline-block;
    background:rgba(255,255,255,.15);
    padding:8px 18px;
    border-radius:50px;
    margin-bottom:20px;
}

.hero h1{
    font-size:65px;
    line-height:1.1;
    margin-bottom:20px;
}

.hero p{
    font-size:18px;
    line-height:1.8;
    margin-bottom:35px;
    opacity:.9;
}

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

/* SECTION TITLE */

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    color:var(--dark);
    margin-bottom:10px;
}

.section-title p{
    max-width:700px;
    margin:auto;
}

/* ABOUT */

.about{
    padding:100px 0;
}

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

.about-images{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
}

.about-images img{
    border-radius:15px;
}

.about-content h2{
    color:var(--dark);
    font-size:42px;
    margin-bottom:20px;
}

.about-content p{
    line-height:1.8;
    margin-bottom:25px;
}

.about-content ul{
    list-style:none;
}

.about-content li{
    margin-bottom:12px;
}

/* SERVICES */

.services{
    background:var(--light);
    padding:100px 0;
}

.service-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.service-card{
    background:#fff;
    padding:40px 30px;
    border-radius:18px;
    text-align:center;
    transition:.3s;
    box-shadow:0 5px 25px rgba(0,0,0,.05);
}

.service-card:hover{
    transform:translateY(-10px);
}

.service-icon{
    font-size:45px;
    margin-bottom:20px;
}

.service-card h3{
    color:var(--dark);
    margin-bottom:15px;
}

/* STATS */

.stats{
    background:var(--dark);
    color:#fff;
    padding:80px 0;
}

.stats-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    text-align:center;
}

.stats-grid h2{
    font-size:50px;
    color:var(--secondary);
}

/* PORTFOLIO */

.portfolio{
    padding:100px 0;
}

.portfolio-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.portfolio-grid img{
    border-radius:15px;
    transition:.3s;
}

.portfolio-grid img:hover{
    transform:scale(1.03);
}

/* WHY CHOOSE */

.why{
    background:var(--light);
    padding:100px 0;
}

.why-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.why-card{
    background:#fff;
    padding:35px;
    border-radius:15px;
    box-shadow:0 5px 25px rgba(0,0,0,.05);
}

.why-card h3{
    margin-bottom:15px;
    color:var(--dark);
}

/* TESTIMONIAL */

.testimonial{
    padding:100px 0;
}

.testimonial-box{
    max-width:800px;
    margin:auto;
    background:#fff;
    padding:50px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.testimonial-box p{
    font-size:18px;
    line-height:1.8;
    margin-bottom:20px;
}

/* CTA */

.cta{
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#fff;
    text-align:center;
    padding:90px 0;
}

.cta h2{
    font-size:42px;
    margin-bottom:15px;
}

.cta p{
    margin-bottom:30px;
}

/* FOOTER */

footer{
    background:var(--dark);
    color:#fff;
    padding:70px 0 30px;
}

.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:40px;
}

.footer-grid h3{
    margin-bottom:20px;
}

.footer-grid a{
    display:block;
    color:#ddd;
    margin-bottom:10px;
}

.footer-grid p{
    color:#ddd;
    line-height:1.8;
}

.copyright{
    text-align:center;
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:40px;
    padding-top:20px;
}

/* MOBILE */

@media(max-width:991px){

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

.service-grid,
.stats-grid,
.portfolio-grid,
.why-grid,
.footer-grid{
    grid-template-columns:1fr 1fr;
}

.hero h1{
    font-size:45px;
}

.menu{
    display:none;
}

}

@media(max-width:768px){

.logo{
    font-size:28px;
}

.service-grid,
.stats-grid,
.portfolio-grid,
.why-grid,
.footer-grid{
    grid-template-columns:1fr;
}

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

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

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

.about-content h2{
    font-size:34px;
}

}