:root{
  --bg:#07121c;
  --card:#0f2233;
  --accent:#00c6ff;
  --accent2:#0072ff;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Inter',sans-serif;
}

body{
  background: radial-gradient(circle at top, #0d2a44, #07121c);
  color:#fff;
}

/* NAVBAR */
.navbar{
  position:fixed;
  width:100%;
  padding:15px 25px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:rgba(5,15,25,0.7);
  backdrop-filter:blur(10px);
  z-index:1000;
}

.logo{
  font-weight:600;
  color:var(--accent);
}

/* MENU ICON */
.menu-btn{
  font-size:22px;
  cursor:pointer;
  transition:0.3s ease;
}

.menu-btn.active{
  transform:rotate(180deg);
}

/* SIDEBAR */
.sidebar{
  position:fixed;
  top:0;
  right:0;
  width:260px;
  height:100%;
  background:#081826;
  padding:20px;
  z-index:2000;

  transform:translateX(100%);
  transition:transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar.active{
  transform:translateX(0);
}

/* SIDEBAR HEADER */
.sidebar-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:20px;
  font-weight:600;
}

.close-btn{
  font-size:20px;
  cursor:pointer;
  transition:0.3s;
}

.close-btn:hover{
  color:var(--accent);
  transform:rotate(90deg);
}

.sidebar a{
  display:block;
  padding:15px;
  color:#fff;
  text-decoration:none;
}

.sidebar a:hover{
  background:rgba(255,255,255,0.05);
}

/* OVERLAY */
#overlay{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.6);

  opacity:0;
  visibility:hidden;
  transition:opacity 0.4s ease;

  z-index:1500;
}

#overlay.active{
  opacity:1;
  visibility:visible;
}

/* HERO */
.hero{
  height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:
  linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.8)),
  url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f');
  background-size:cover;
}

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

.hero p{
  margin:15px 0;
  opacity:0.8;
}

.btn{
  padding:12px 20px;
  border:none;
  border-radius:6px;
  margin:5px;
  cursor:pointer;
  transition:0.3s;
}

.primary{
  background:linear-gradient(45deg,var(--accent),var(--accent2));
  box-shadow:0 0 15px rgba(0,198,255,0.6);
  color: white;
  font-weight: 500;
}

.secondary{
   background:linear-gradient(45deg,var(--accent),var(--accent2));
 font-weight:500;
  color: white;
}

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

/* STATS */
.stats{
  display:flex;
  justify-content:center;
  gap:60px;
  margin-top:30px;
}

.stats div{
  text-align:center;
}

/* SECTION */
.section{
  padding:80px 20px;
  text-align:center;
}

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

/* CARD */
.card{
  background:rgba(255,255,255,0.05);
  backdrop-filter:blur(12px);
  padding:25px;
  border-radius:15px;
  transition:0.3s;
  border:1px solid rgba(255,255,255,0.08);
}

.card:hover{
  transform:translateY(-8px);
  box-shadow:0 0 30px rgba(0,198,255,0.3);
}

.card i{
  font-size:30px;
  margin-bottom:10px;
  color:var(--accent);
}
a .card h3{
  color: #f8f7f7;
}
/* SERVICES */
.services{
  grid-template-columns:repeat(2,1fr);
}

/* APP */
.app{
  background:linear-gradient(135deg,#0072ff,#00c6ff);
  padding:60px;
  border-radius:20px;
  margin:40px;
}

.app img{
  width:230px;
  margin-top:20px;
}

/* TESTIMONIAL */
.testimonials{
  grid-template-columns:repeat(3,1fr);
}

/* FOOTER */
.footer{
  background:#050d14;
  padding:40px;
}

/* ANIMATION */
.fade{
  animation:fadeIn 1s ease-in;
}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(20px);}
  to{opacity:1;transform:translateY(0);}
}

/* MOBILE */
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr);}
}

@media(max-width:600px){
  .grid{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .stats{flex-direction:column;gap:20px;}
}