*{box-sizing:border-box}
html{scroll-behavior:smooth}

:root{
  --navy:#032b4d;
  --navy-dark:#011b31;
  --blue:#087fe5;
  --blue-light:#28b8ff;
  --cyan:#67dcff;
  --white:#fff;
  --text:#17324a;
  --muted:#5d7285;
  --glass:rgba(3,43,77,.88);
  --border:rgba(40,184,255,.45);
  --shadow:0 10px 30px rgba(0,25,50,.18);
}

body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:#f4f9fc;
  line-height:1.6;
}

header{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(1,27,49,.97);
  color:var(--white);
  border-bottom:2px solid var(--blue);
  box-shadow:0 4px 18px rgba(0,30,60,.25);
}

.nav{
  max-width:1100px;
  margin:auto;
  padding:13px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.logo{
  font-size:1.35rem;
  font-weight:900;
  letter-spacing:2.5px;
  color:#fff;
  text-transform:uppercase;
}

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

nav a{
  color:#fff;
  text-decoration:none;
  margin-left:18px;
  font-size:.95rem;
  font-weight:700;
  transition:.2s ease;
}

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

.hero{
  min-height:78vh;
  display:flex;
  align-items:center;
  color:#fff;
  background:
    linear-gradient(120deg,rgba(1,27,49,.97),rgba(3,43,77,.82) 52%,rgba(0,113,190,.62)),
    radial-gradient(circle at 80% 20%,rgba(40,184,255,.35),transparent 35%);
  position:relative;
  overflow:hidden;
}

.hero:after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:45px;
  background:linear-gradient(90deg,#032b4d,#087fe5,#032b4d);
  clip-path:polygon(0 55%,15% 20%,35% 55%,55% 25%,75% 55%,100% 10%,100% 100%,0 100%);
  opacity:.9;
}

.hero-inner{
  max-width:1100px;
  margin:auto;
  padding:80px 20px;
  position:relative;
  z-index:1;
}

.kicker{
  color:var(--blue-light);
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:2px;
}

h1{
  font-size:clamp(2.6rem,7vw,5.2rem);
  line-height:1.02;
  margin:15px 0;
  text-transform:uppercase;
  letter-spacing:1px;
}

h2{
  font-size:2.1rem;
  margin:0 0 18px;
  color:var(--navy);
}

.hero h1{
  text-shadow:0 3px 18px rgba(0,0,0,.25);
}

.hero p{
  font-size:1.25rem;
  max-width:700px;
  color:#e8f6ff;
}

.btn{
  display:inline-block;
  background:linear-gradient(135deg,var(--blue),#0068c9);
  color:#fff;
  padding:13px 22px;
  border-radius:7px;
  text-decoration:none;
  font-weight:800;
  margin-top:14px;
  border:1px solid rgba(103,220,255,.7);
  box-shadow:0 5px 18px rgba(0,126,229,.3);
  transition:.2s ease;
}

.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,126,229,.42);
}

.btn.alt{
  background:transparent;
  border:1px solid #fff;
  margin-left:8px;
}

.btn.alt:hover{
  background:rgba(255,255,255,.1);
}

section{
  padding:75px 20px;
}

.container{
  max-width:1100px;
  margin:auto;
}

.intro{
  text-align:center;
  max-width:780px;
  margin:0 auto 40px;
}

.intro h2{
  position:relative;
  display:inline-block;
  padding-bottom:12px;
}

.intro h2:after{
  content:"";
  position:absolute;
  height:3px;
  width:75px;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  background:linear-gradient(90deg,var(--blue),var(--cyan));
}

.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.card{
  border:1px solid var(--border);
  border-radius:12px;
  padding:25px;
  background:linear-gradient(145deg,#fff,#eef8fd);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:.25s ease;
}

.card:before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
}

.card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 34px rgba(0,70,120,.22);
}

.card h3{
  margin-top:0;
  color:var(--navy);
}

.card .icon{
  font-size:2rem;
  color:var(--blue);
}

.dark{
  background:
    radial-gradient(circle at 15% 10%,rgba(8,127,229,.22),transparent 30%),
    linear-gradient(135deg,var(--navy-dark),var(--navy));
  color:#fff;
}

.dark h2{
  color:#fff;
}

.dark .card{
  background:linear-gradient(145deg,rgba(4,53,88,.96),rgba(1,27,49,.96));
  border-color:rgba(40,184,255,.38);
  color:#eaf7ff;
  box-shadow:0 12px 30px rgba(0,0,0,.22);
}

.dark .card h3{
  color:#fff;
}

.two{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:45px;
  align-items:center;
}

ul{
  padding-left:20px;
}

li::marker{
  color:var(--blue);
}

.contact{
  background:linear-gradient(135deg,#eaf7fd,#f7fbfd);
}

.contact-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
}

footer{
  background:var(--navy-dark);
  color:#b9d5e7;
  text-align:center;
  padding:30px 20px;
  font-size:.9rem;
  border-top:2px solid var(--blue);
}

footer strong{
  color:#fff;
}

@media(max-width:800px){
  .grid,.two,.contact-box{grid-template-columns:1fr}
  nav{display:none}
  .hero{min-height:70vh}
  .btn.alt{margin-left:0}
}