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

html{
scroll-behavior:smooth;
}

body{
background:#08131f;
color:#fff;
overflow-x:hidden;
}

#stars{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
z-index:-2;
background:
radial-gradient(circle at top,#12365d,#08131f 65%);
}

body::before{
content:"";
position:fixed;
inset:0;
background-image:
linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
background-size:60px 60px;
z-index:-1;
opacity:.25;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:22px 8%;
backdrop-filter:blur(12px);
position:sticky;
top:0;
background:rgba(5,15,28,.55);
border-bottom:1px solid rgba(255,255,255,.08);
z-index:100;
}

.brand{
display:flex;
align-items:center;
gap:15px;
}

.logo{
width:55px;
height:55px;
border-radius:18px;
display:flex;
justify-content:center;
align-items:center;
font-size:28px;
font-weight:bold;
background:linear-gradient(135deg,#00d4ff,#3f73ff);
box-shadow:0 0 25px #00d4ff55;
}

.brand h1{
font-size:27px;
}

.brand span{
opacity:.7;
font-size:14px;
}

nav{
display:flex;
gap:18px;
}

nav a{
color:white;
text-decoration:none;
transition:.3s;
}

nav a:hover{
color:#29d6ff;
}

.hero{
padding:80px 8%;
display:grid;
grid-template-columns:1fr 420px;
gap:60px;
align-items:center;
}

.badge{
display:inline-block;
padding:8px 18px;
background:#163e70;
border-radius:50px;
margin-bottom:15px;
color:#57d7ff;
}

.hero h2{
font-size:55px;
line-height:1.3;
margin-bottom:20px;
}

.hero p{
font-size:20px;
opacity:.8;
margin-bottom:35px;
}

.hero-actions{
display:flex;
gap:18px;
flex-wrap:wrap;
}

.btn{
padding:15px 28px;
border:none;
border-radius:14px;
cursor:pointer;
font-size:18px;
text-decoration:none;
transition:.35s;
display:inline-block;
}

.primary{
background:linear-gradient(135deg,#3f73ff,#00d4ff);
color:white;
}

.primary:hover{
transform:translateY(-5px);
box-shadow:0 0 35px #00d4ff66;
}

.ghost{
background:#18293e;
color:white;
}

.whatsapp{
background:#25D366;
color:white;
display:none;
}

.hero-card{
display:flex;
justify-content:center;
}

.screen{
width:100%;
padding:35px;
border-radius:30px;
background:rgba(255,255,255,.05);
backdrop-filter:blur(15px);
border:1px solid rgba(255,255,255,.08);
box-shadow:0 0 50px rgba(0,212,255,.15);
animation:float 4s infinite ease-in-out;
}

.screen span{
display:inline-block;
width:12px;
height:12px;
border-radius:50%;
background:#00d4ff;
margin-left:6px;
}

.screen h3{
margin-top:25px;
font-size:30px;
}

.screen p{
margin-top:15px;
opacity:.8;
}

.steps{
display:flex;
justify-content:center;
gap:18px;
margin:30px 0 60px;
flex-wrap:wrap;
}

.step{
width:95px;
height:95px;
border-radius:20px;
background:#16263d;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
font-size:24px;
opacity:.5;
transition:.3s;
}

.step span{
font-size:13px;
margin-top:8px;
}

.step.active{
opacity:1;
background:linear-gradient(135deg,#2b63ff,#00d4ff);
box-shadow:0 0 30px #00d4ff55;
}

.order-layout{
display:grid;
grid-template-columns:1fr 320px;
gap:35px;
padding:0 8% 80px;
}

.form-card,.side-card{
background:rgba(255,255,255,.05);
border:1px solid rgba(255,255,255,.08);
border-radius:28px;
padding:35px;
backdrop-filter:blur(15px);
}

.form-step{
display:none;
animation:fade .5s;
}

.form-step.active{
display:block;
}

.form-step h2{
font-size:35px;
margin-bottom:12px;
}

.form-step p{
opacity:.75;
margin-bottom:30px;
}

.cards-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:18px;
}

.option{
background:#11233a;
padding:22px;
border-radius:18px;
cursor:pointer;
transition:.3s;
border:2px solid transparent;
}

.option:hover{
transform:translateY(-5px);
border-color:#00d4ff;
}

.option input {
  display: none;
}

.option strong{
display:block;
font-size:22px;
margin-bottom:10px;
}

.option span{
opacity:.7;
font-size:15px;
}

textarea,input{
width:100%;
padding:18px;
border:none;
outline:none;
border-radius:16px;
background:#11233a;
color:white;
margin-bottom:18px;
font-size:17px;
}

textarea{
height:180px;
resize:none;
}

.buttons{
display:flex;
gap:15px;
margin-top:20px;
}

.summary{
background:#11233a;
padding:20px;
border-radius:15px;
line-height:2;
}

.side-card ul{
line-height:2;
margin-top:20px;
}

.gift{
margin-top:30px;
padding:18px;
border-radius:16px;
background:#16395e;
}

.why{
padding:70px 8%;
text-align:center;
}

.why h2{
font-size:42px;
margin-bottom:35px;
}

.why div{
display:flex;
justify-content:center;
gap:20px;
flex-wrap:wrap;
}

.why span{
padding:18px 24px;
background:#16304e;
border-radius:14px;
}

footer{
padding:40px 8%;
display:flex;
justify-content:space-between;
flex-wrap:wrap;
border-top:1px solid rgba(255,255,255,.08);
background:#071018;
}

@keyframes float{

0%{
transform:translateY(0px);
}

50%{
transform:translateY(-12px);
}

100%{
transform:translateY(0px);
}

}

@keyframes fade{

from{
opacity:0;
transform:translateY(20px);
}

to{
opacity:1;
transform:none;
}

}

@media(max-width:900px){

.hero{
grid-template-columns:1fr;
padding-top:40px;
}

.order-layout{
grid-template-columns:1fr;
}

.nav{
flex-direction:column;
gap:20px;
}

nav{
flex-wrap:wrap;
justify-content:center;
}

.hero h2{
font-size:38px;
}

.hero p{
font-size:17px;
}

.step{
width:70px;
height:70px;
font-size:20px;
}

.step span{
display:none;
}

.buttons{
flex-direction:column;
}

footer{
text-align:center;
justify-content:center;
gap:25px;
}

}
.option.selected {
  border-color: #00d4ff;
  background: linear-gradient(135deg, rgba(0,212,255,.22), rgba(63,115,255,.16));
  box-shadow: 0 0 24px rgba(0,212,255,.25);
}
.hero {
  padding: 45px 8%;
}

.hero h2 {
  font-size: 42px;
}

.hero p {
  font-size: 17px;
}

.screen {
  padding: 24px;
}

.steps {
  margin: 10px 0 35px;
}

.step {
  width: 70px;
  height: 70px;
  font-size: 20px;
}

.order-layout {
  padding: 0 8% 50px;
}

.form-card, .side-card {
  padding: 24px;
}

.form-step h2 {
  font-size: 28px;
}

textarea {
  height: 120px;
}
