html{scroll-behavior:smooth;}

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

body{
background:#070707;
color:#f3f3f3;
line-height:1.6;
overflow-x:hidden;
}

.container{
width:90%;
max-width:1150px;
margin:auto;
}

section{
padding:60px 0;
position:relative;
}

h1,h2,h3{
font-weight:600;
letter-spacing:0.5px;
}

h2{color:#d6b25e;}

p{color:#bfbfbf;}

a{text-decoration:none;}

:root{
--gold:#d6b25e;
--card:#111;
--border:#202020;
}

/* HEADER */
header{
position:sticky;
top:0;
z-index:999;
backdrop-filter:blur(12px);
background:rgba(8,8,8,0.75);
border-bottom:1px solid var(--border);
}

.brand{
display:flex;
align-items:center;
gap:14px;
padding:12px 0;
flex-wrap:wrap;
}

.brand img{width:44px;}

.subtitle{
font-size:13px;
color:#9a9a9a;
}

/* HERO */
.hero{
text-align:center;
padding-top:40px;
padding-bottom:10px;
overflow:hidden;
}

.hero::before{
content:"";
position:absolute;
top:-300px;
left:50%;
transform:translateX(-50%);
width:85vw;
max-width:550px;
height:260px;
background:radial-gradient(circle, rgba(214,178,94,0.15), transparent 70%);
filter:blur(60px);
z-index:-1;
}

.hero h1{
font-size:26px;
margin-bottom:12px;
line-height:1.25;
}

.hero p{
max-width:600px;
margin:auto;
margin-bottom:16px;
font-size:15px;
}

/* BUTTON */
.btn{
display:inline-block;
padding:11px 20px;
margin:6px;
border-radius:8px;
border:1px solid var(--gold);
color:var(--gold);
transition:0.35s;
font-size:14px;
}

.btn:hover{
background:var(--gold);
color:#000;
box-shadow:
0 0 18px rgba(214,178,94,0.45),
0 0 45px rgba(214,178,94,0.2);
transform:translateY(-2px);
}

/* WHATSAPP DEMO */
.wa-demo{
padding:20px 0 0 0;
}

.wa-grid{
display:flex;
flex-direction:column;
gap:30px;
align-items:center;
}

.wa-video video{
width:205px;
border-radius:16px;
border:1px solid var(--border);
box-shadow:0 0 25px rgba(0,0,0,0.6);
}

.wa-content{
text-align:center;
max-width:520px;
}

.wa-content h2{
margin-bottom:12px;
}

.wa-content p{
margin-bottom:12px;
}

.wa-points p{
margin:5px 0;
color:#e0e0e0;
}

/* PROJECTS */
.projects-grid{
display:grid;
grid-template-columns:1fr;
gap:30px;
margin-top:36px;
}

.card{
background:linear-gradient(180deg,#111,#0b0b0b);
border:1px solid var(--border);
border-radius:14px;
overflow:hidden;
transition:0.35s;
}

.card:hover{
transform:translateY(-8px);
border-color:var(--gold);
box-shadow:0 0 30px rgba(214,178,94,0.1);
}

/* ✅ PERFECT RESPONSIVE VIDEO RATIO FIX */
.card-media{
position:relative;
width:100%;
padding-top:56.25%;
overflow:hidden;
}

.card-media iframe{
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
border:0;
}

.card-content{
padding:24px;
}

.card-content h3{
margin-bottom:12px;
color:#fff;
}

/* BENEFITS */
.benefits{text-align:center;}

.benefit-list{
margin-top:24px;
}

.benefit-list p{
margin:7px 0;
color:#e0e0e0;
}

/* CONTACT */
.contact{text-align:center;}

/* FLOAT */
.whatsapp-float{
position:fixed;
bottom:22px;
right:22px;
width:58px;
height:58px;
background:#25D366;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
box-shadow:0 0 20px rgba(0,0,0,0.5);
z-index:999;
}

.whatsapp-float img{
width:28px;
}

/* FOOTER */
footer{
border-top:1px solid var(--border);
text-align:center;
padding:36px 0;
color:#888;
font-size:14px;
}

/* DESKTOP */
@media(min-width:900px){

.hero h1{
font-size:34px;
}

.hero{
padding-top:50px;
padding-bottom:18px;
}

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

.wa-grid{
flex-direction:row;
justify-content:center;
gap:80px;
}

.wa-video video{
width:260px;
}

.wa-content{
text-align:left;
}

}