:root{
--green:#1b8f3c;
--light-green:#4caf50;
--dark:#1f2933;
--light:#f4f7f6;
--grey:#6b7280;
}

*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:'Montserrat',sans-serif;
color:var(--dark);
background:white;
line-height:1.6;
}

.container{
max-width:1200px;
margin:auto;
padding:0 20px;
}

/* NAVBAR */

.navbar{
background:white;
box-shadow:0 2px 10px rgba(0,0,0,0.05);
padding:15px 0;
position:sticky;
top:0;
}

.nav-content{
display:flex;
justify-content:space-between;
align-items:center;
}

.logo{
font-weight:700;
font-size:1.4rem;
}

.logo img {
    height: 100px;
    width: auto;
    display: block;
}

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

.nav-links a{
margin-left:20px;
text-decoration:none;
color:var(--dark);
font-weight:500;
}

.nav-btn{
background:var(--green);
color:white;
padding:8px 15px;
border-radius:5px;
}

/* HERO */

.hero{
background:linear-gradient(135deg,#1b8f3c,#4caf50);
color:white;
padding:100px 0;
}

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

.hero-text h1{
font-size:2.5rem;
margin-bottom:20px;
}

.hero-buttons{
margin:20px 0;
}

.btn-primary{
background:white;
color:var(--green);
padding:12px 22px;
border-radius:5px;
text-decoration:none;
font-weight:600;
display:inline-block;
}

.btn-outline{
border:2px solid white;
color:white;
padding:10px 20px;
margin-left:10px;
text-decoration:none;
border-radius:5px;
}

/* ENERGY SCALE */

.energy-scale{
display:flex;
height:45px;
border-radius:5px;
overflow:hidden;
margin-bottom:20px;
}

.energy-scale div{
flex:1;
display:flex;
align-items:center;
justify-content:center;
font-weight:700;
color:white;
}

.a{background:#1b8f3c;}
.b{background:#4caf50;}
.c{background:#8bc34a;}
.d{background:#fbc02d;color:black;}
.e{background:#f57c00;}
.f{background:#e64a19;}
.g{background:#d32f2f;}

.approval{
background:white;
color:var(--dark);
padding:15px;
border-radius:8px;
font-weight:600;
text-align:center;
}

/* SECTIONS */

.section{
padding:80px 0;
}

.section.light{
background:var(--light);
}

h2{
text-align:center;
margin-bottom:50px;
font-size:2rem;
}

.grid-4{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

.grid-2{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
}

.card,.service-box{
background:white;
padding:30px;
border-radius:10px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
}

/* TABLE */

.pricing{
width:100%;
border-collapse:collapse;
background:white;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
}

.pricing th{
background:var(--green);
color:white;
padding:15px;
}

.pricing td{
padding:15px;
text-align:center;
border-bottom:1px solid #eee;
}

.center{
text-align:center;
margin-top:30px;
}

.small{
text-align:center;
font-size:0.85rem;
margin-top:10px;
color:var(--grey);
}

/* FORM */

.contact-form{
display:flex;
flex-direction:column;
gap:15px;
max-width:600px;
margin:auto;
}

.contact-form input,
.contact-form textarea{
padding:12px;
border-radius:5px;
border:1px solid #ddd;
}

/* FOOTER */

footer a{
color:#9ca3af;
text-decoration:none;
}

footer a:hover{
color:white;
}

footer{
background:#111827;
color:white;
padding:50px 0;
}

.footer-grid{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
}

/* RESPONSIVE */

@media(max-width:900px){

.hero-grid,
.grid-2,
.footer-grid{
grid-template-columns:1fr;
}

.hero-text h1{
font-size:2rem;
}

}