:root{
--bg:#0b0f14;
--surface:#11161c;
--card:#161b22;
--border:#2a2f36;
--text:#e6edf3;
--muted:#8b949e;
--primary:#2563eb;
--accent:#1f6feb;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1200px;margin:auto;padding:0 24px}


.hero{
position:relative;
height:90vh;
display:flex;
align-items:center;
background:url('images/hero.jpg') center/cover no-repeat;
overflow:hidden;
}

.hero-overlay{
position:absolute;
inset:0;

background:
linear-gradient(90deg, rgba(0,0,0,0.75) 20%, rgba(0,0,0,0.3) 100%),
linear-gradient(45deg, rgba(255,120,0,0.25), rgba(0,0,0,0));

z-index:1;
}

.hero-content{
position:relative;
z-index:3;
max-width:800px;
animation:fadeUp 1s ease both;
margin:0 auto;
text-align:center;
}

.hero h1{
font-size:52px;
line-height:1.1;
margin-bottom:20px;
text-align:center;
}

.hero p{
display:inline-block;
color:#d0d6dc;
max-width:600px;
text-align:center;
}

.hero-btn{
margin-top:25px;
background:#2563eb;
}

@keyframes fadeUp{
from{opacity:0;transform:translateY(30px)}
to{opacity:1;transform:translateY(0)}
}


.hero{
position:relative;
height:92vh;
display:flex;
align-items:center;
background:url('images/hero.jpg') center/cover no-repeat;
overflow:hidden;
}

.hero-overlay{
position:absolute;
inset:0;
background:
linear-gradient(90deg, rgba(0,0,0,0.8) 25%, rgba(0,0,0,0.3) 100%),
linear-gradient(120deg, rgba(0,60,255,0.15), rgba(255,0,0,0.15));
z-index:1;
}

.hero-overlay::after{
content:"";
position:absolute;
inset:0;
background:
radial-gradient(circle at 20% 30%, rgba(0,120,255,0.25), transparent 40%),
radial-gradient(circle at 80% 70%, rgba(255,0,0,0.25), transparent 40%);
animation:gyroMove 6s infinite alternate ease-in-out;
}

@keyframes gyroMove{
0%{
background-position:20% 30%, 80% 70%;
}
100%{
background-position:30% 40%, 70% 60%;
}
}

.hero-light{
position:absolute;
top:0;
left:-50%;
width:200%;
height:100%;
background:linear-gradient(120deg, transparent, rgba(255,255,255,0.08), transparent);
animation:lightSweep 6s infinite;
z-index:2;
}

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

.hero-content{
position:relative;
z-index:3;
max-width:700px;
}

.hero h1{
font-size:56px;
line-height:1.1;
margin-bottom:20px;
}

.hero p{
color:#d0d6dc;
max-width:600px;
}

.hero-btn{
margin-top:30px;
padding:14px 28px;
background:linear-gradient(135deg,#2563eb,#1f6feb);
box-shadow:0 10px 30px rgba(37,99,235,0.4);
transition:0.3s;
}

.hero-btn:hover{
transform:translateY(-3px);
box-shadow:0 15px 40px rgba(37,99,235,0.6);
}

.fade-in{
opacity:0;
transform:translateY(20px);
animation:fadeUp 0.8s forwards;
}

.delay-1{animation-delay:0.2s;}
.delay-2{animation-delay:0.5s;}
.delay-3{animation-delay:0.8s;}

@keyframes fadeUp{
to{
opacity:1;
transform:translateY(0);
}
}
.hero-overlay,
.hero-light{
pointer-events:none;
}

header{
position:sticky;
top:0;
background:rgba(255,255,255,1);
backdrop-filter:blur(10px);
border-bottom:1px solid var(--border);
z-index:20;
transition:all 0.6s ease;
}

header.scrolled{
background:rgba(11,15,20,0.95);
}

.header-inner{
display:flex;
justify-content:space-between;
align-items:center;
height:80px;
}

.logo{
height:52px;
transition:filter 0.8s ease;
}

nav{
display:flex;
align-items:center;
gap:20px;
}

.nav-box{
display:flex;
gap:25px;
padding:10px 18px;
background:rgba(0,0,0,0.35);
border-radius:10px;
backdrop-filter:blur(6px);
}

.nav-box a{
color:black;
text-decoration:none;
font-weight:500;
position:relative;
transition:.25s;
}

.nav-box a:hover{
color:#fff;
}

.nav-box a::after{
content:"";
position:absolute;
bottom:-5px;
left:0;
width:0;
height:2px;
background:var(--primary);
transition:.25s;
}

.nav-box a:hover::after{
width:100%;
}

header.scrolled .nav-box{
background:transparent;
}

header.scrolled .nav-box a{
color:var(--muted);
}

header.scrolled .nav-box a:hover{
color:white;
}

.hero{
height:88vh;
display:flex;
align-items:center;
position:relative;
background:url('images/hero.jpg') center/cover no-repeat;
}

.hero::before{
content:"";
position:absolute;
inset:0;
background:linear-gradient(180deg, rgba(0,0,0,.65), rgba(0,0,0,.75));
}

.hero-content{
position:relative;
z-index:2;
max-width:760px;
animation:fadeUp .9s ease both;
}

.hero h1{
font-size:48px;
margin:0 0 16px;
}

.hero p{
color:var(--muted);
}

.btn{
display:inline-block;
margin-top:20px;
padding:14px 28px;
background:var(--primary);
color:white;
border-radius:8px;
text-decoration:none;
}

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

@media(max-width:900px){
.hero h1{font-size:34px}
}

.product-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.btn.small {
  padding: 8px 14px;
  font-size: 14px;
  margin-top: 10px;
}

.contact-card {
  background: var(--card);
  padding: 30px;
  border-radius: 14px;
  border: 1px solid var(--border);
  max-width: 700px;
}

.form-row {
  display: flex;
  gap: 10px;
}

.form-row input,
.form-row select {
  flex: 1;
}


.product-grid{
display:grid;
grid-template-columns:1fr 1fr;
gap:50px;
align-items:start;
}

.product-gallery img{
width:100%;
border-radius:12px;
}

.thumbs{
display:flex;
gap:10px;
margin-top:10px;
}

.thumbs img{
width:80px;
cursor:pointer;
opacity:0.7;
transition:0.3s;
}

.thumbs img:hover{
opacity:1;
}

.product-info h1{
margin-top:10px;
font-size:32px;
}

.product-desc{
color:var(--muted);
margin:15px 0;
}

.product-tag{
background:#1a2332;
padding:6px 10px;
border-radius:6px;
font-size:12px;
display:inline-block;
}

.product-options{
margin:20px 0;
display:flex;
flex-direction:column;
gap:10px;
}

.color-options{
display:flex;
gap:10px;
}

.color{
width:20px;
height:20px;
border-radius:50%;
display:inline-block;
border:2px solid white;
}

.color.blue{background:#007bff;}
.color.orange{background:orange;}

.product-btn{
margin-top:20px;
display:inline-block;
}

.specs-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
}

.spec-box{
background:var(--card);
padding:20px;
border-radius:12px;
border:1px solid var(--border);
}

@media(max-width:900px){
.product-grid{
grid-template-columns:1fr;
}
}


.catalog-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
gap:30px;
}

.catalog-card{
position:relative;
background:var(--card);
border:1px solid var(--border);
border-radius:14px;
overflow:hidden;
transition:0.3s;
}

.catalog-card:hover{
transform:translateY(-6px);
border-color:var(--primary);
}

.catalog-card img{
width:100%;
height:220px;
object-fit:cover;
}

.catalog-tag{
position:absolute;
top:15px;
left:15px;
background:#2563eb;
padding:6px 10px;
font-size:12px;
border-radius:6px;
}

.catalog-card h3{
margin:15px;
font-size:20px;
}

.catalog-card p{
margin:0 15px 20px;
color:var(--muted);
}

.catalog-card a {
  color: inherit;
  text-decoration: none;
  display: block;
}

.catalog-card:hover {
  cursor: pointer;
}

.page-hero{
padding:100px 0 60px;
background:linear-gradient(180deg,#0b0f14,#11161c);
text-align:center;
}

.page-hero h1{
font-size:42px;
margin-bottom:10px;
}

.page-hero p{
color:var(--muted);
}

.about-intro{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
align-items:center;
}

.about-intro img{
width:100%;
border-radius:12px;
}

.features{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.feature{
background:var(--card);
padding:25px;
border-radius:12px;
border:1px solid var(--border);
transition:0.3s;
}

.feature:hover{
transform:translateY(-5px);
border-color:var(--primary);
}

.process{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:25px;
}

.step{
background:var(--card);
padding:25px;
border-radius:12px;
border:1px solid var(--border);
}

.step span{
font-size:24px;
color:var(--primary);
font-weight:bold;
}

.cta-box{
text-align:center;
background:var(--card);
padding:40px;
border-radius:14px;
border:1px solid var(--border);
}

.cta-box h2{
margin-bottom:10px;
}

@media(max-width:900px){
.about-intro{
grid-template-columns:1fr;
}
}


.contact-layout{
display:grid;
grid-template-columns:1fr 1fr;
gap:60px;
align-items:start;
}

.contact-info h1{
font-size:36px;
margin-bottom:15px;
}

.contact-info p{
color:var(--muted);
max-width:400px;
}

.contact-points{
margin-top:30px;
display:flex;
flex-direction:column;
gap:20px;
}

.contact-points strong{
display:block;
margin-bottom:5px;
}

.contact-card{
background:var(--card);
padding:35px;
border-radius:14px;
border:1px solid var(--border);
box-shadow:0 10px 30px rgba(0,0,0,0.2);
}

.form-group{
display:flex;
flex-direction:column;
margin-bottom:18px;
}

.form-group label{
font-size:14px;
margin-bottom:6px;
color:var(--muted);
}

.form-group input,
.form-group select,
.form-group textarea{
padding:12px;
border-radius:8px;
border:1px solid var(--border);
background:var(--surface);
color:white;
outline:none;
transition:0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{
border-color:var(--primary);
box-shadow:0 0 0 2px rgba(37,99,235,0.2);
}

.submit-btn{
width:100%;
margin-top:10px;
font-size:16px;
}


@media(max-width:900px){

  .nav-box{
    display:none;
  }

}


.mobile-menu{
position:fixed;
top:0;
left:0;
width:100%;
height:100vh;
background:#0b0f14;
display:flex;
flex-direction:column;
align-items:center;
justify-content:center;
gap:30px;
transform:translateY(-100%);
transition:0.4s;
z-index:100;
}

.mobile-menu a{
font-size:24px;
color:white;
text-decoration:none;
}

.mobile-menu{
transform:translateY(-100%);
}

.mobile-menu.active{
transform:translateY(0);
}

@media(max-width:900px){

.nav-box{
display:none;
}

}



header{
z-index:900;
position:sticky;
}

.mobile-menu{
z-index:150;
}




.burger{
display:none;
flex-direction:column;
gap:6px;
cursor:pointer;
position:relative;
z-index:1000;
}

.burger span{
width:26px;
height:3px;
background:#0b0f14;
border-radius:2px;
transition:0.3s ease;
}

.burger.active span:nth-child(1){
transform:rotate(45deg) translate(5px,5px);
}

.burger.active span:nth-child(2){
opacity:0;
}

.burger.active span:nth-child(3){
transform:rotate(-45deg) translate(6px,-6px);
}

@media(max-width:900px){

.nav-box{
display:none;
}

.burger{
display:flex;
}

}

header.scrolled .burger span{
background:white;
}

.product-page{
margin-top:60px;
}

.section.container{
padding-top:20px;
}

.about-intro img{
margin-top:20px;
}

.contact-layout{
margin-top:50px;
}

@media(max-width:900px){

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

.contact-info{
order:1;
}

.contact-card{
margin-top:20px;
order:2;
}

}


.product-page{
position:relative;
}

.product-close{
position:absolute;
top:20px;
right:20px;
}

.product-close a{
font-size:22px;
color:var(--muted);
text-decoration:none;
background:var(--card);
border:1px solid var(--border);
width:40px;
height:40px;
display:flex;
align-items:center;
justify-content:center;
border-radius:8px;
transition:0.25s;
}

.product-close a:hover{
color:white;
border-color:var(--primary);
transform:scale(1.1);
}

.product-close a{
backdrop-filter:blur(6px);
background:rgba(22,27,34,0.8);
}