*{
margin:0;
padding:0;
box-sizing:border-box;
}

:root{
--PRIMARY:#1f2937;
--ACCENT:#2563eb;
--SUCCESS:#dcfce7;
--WARNING:#fff7cc;
--LIGHT:#f8fafc;
--BORDER:#d1d5db;
--bg:#111827;
--header-bg:rgba(17,24,39,.92);
--accent:#3b82f6;
--accent-hover:#60a5fa;
--text:#f9fafb;
--border:rgba(255,255,255,.12);
}


/* ================ OLD buttons ========================= */
/*

.menu {
 display: flex;
 justify-content: flex-end;
 gap: 15px;
 margin: 10px 0;
}

.BUTTON {
 display: inline-block;
 padding: 12px 24px;
 border: none;
 border-radius: 6px;
 background: #2563eb;
 color: white;
 text-decoration: none;
 font-size: 16px;
 text-align: center;
 cursor: pointer;
 transition: all 0.3s ease;
}

.BUTTON:hover {
 transform: translateY(-4px) scale(1.05);
 background: #1d4ed8;
 box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.BUTTON:active {
 transform: scale(0.95);
log}
*/
/* ================ OLD buttons end ========================= */



/* ============== New  menu ==============*/


.site-header{
position:fixed;
top:0;
left:0;
width:100%;
z-index:9999;

background:var(--header-bg);
backdrop-filter:blur(12px);

border-bottom:1px solid var(--border);
}

.nav-container{
max-width:1400px;
margin:auto;
display:flex;
justify-content:space-between;
align-items:center;
padding:12px 18px;
}

/* Logo / Site Name */

.logo{
color:white;
font-weight:700;
font-size:1rem;
text-decoration:none;
letter-spacing:.5px;
}

/* Desktop Menu */

.nav-links{
display:flex;
gap:10px;
list-style:none;
}

.nav-links a{
text-decoration:none;
color:var(--text);

padding:9px 16px;
border-radius:999px;

border:1px solid rgba(255,255,255,.10);

background:rgba(255,255,255,.03);

transition:
transform .25s ease,
background .25s ease,
border-color .25s ease,
box-shadow .25s ease;
}

/* Hover animation */

.nav-links a:hover{
transform:translateY(-2px);

background:rgba(59,130,246,.18);

border-color:rgba(96,165,250,.5);

box-shadow:
0 0 12px rgba(59,130,246,.35);
}

/* Active page */

.nav-links a.active{
background:var(--accent);
border-color:var(--accent);
}

/* ======================================================
   MOBILE MENU BUTTON
====================================================== */

.menu-toggle{
display:none;
flex-direction:column;
gap:5px;
cursor:pointer;
}

.menu-toggle span{
width:26px;
height:3px;
background:white;
border-radius:3px;
transition:.3s;
}

/* ======================================================
   MOBILE RESPONSIVE
====================================================== */

@media (max-width:768px){

.menu-toggle{
display:flex;
}

.nav-links{
position:absolute;
top:100%;
left:0;
width:100%;

flex-direction:column;

background:#111827;

padding:12px;

border-bottom:1px solid var(--border);

display:none;
}

.nav-links.show{
display:flex;
}

.nav-links a{
width:100%;
text-align:center;
}
}

/* =================menu end=================*/


body{
font-family: Arial, sans-serif;
background:linear-gradient(135deg,#05070d,#111827,#090f1f);
padding:30px;
}
/*
header{
position:sticky;
top:0;
z-index:100;
background:rgba(0,0,0,.7);
backdrop-filter:blur(12px);
border-bottom:1px solid rgba(255,255,255,.08);
padding:15px 25px;
display:flex;
justify-content:space-between;
align-items:center;
letter-spacing:2px;
}
*/

h1{
margin-bottom:25px;
text-align: start;
color:var(--text);
}

#CONTROL_PANEL{
display:flex;
flex-wrap:wrap;
justify-content:center;
align-items:center;
gap:20px;
margin-bottom:30px;
margin-top: 30px;
}

.SELECT_GROUP{
display:flex;
flex-direction:column;
}

label{
margin-bottom:5px;
font-weight:bold;
color:var(--text);
}

select{
padding:10px;
min-width:220px;
border:1px solid var(--BORDER);
border-radius:6px;
font-size: large;
}

#DIFFERENCE_CONTAINER{
display:flex;
align-items:center;
gap:10px;
}

#COMPARISON_CONTAINER{
max-width:1200px;
margin:auto;
}

#STATE_HEADER{
display:grid;
grid-template-columns:1fr 1fr;
gap:20px;
margin-bottom:25px;
}

.STATE_CARD{
background:white;
border-radius:12px;
overflow:hidden;
box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.STATE_CARD img{
width:100%;
height:250px;
object-fit:cover;
display:block;
}

.STATE_TITLE{
text-align:center;
font-size:22px;
padding:15px;
font-weight:bold;
color:var(--PRIMARY);
}

#COMPARISON_TABLE{
width:100%;
border-collapse:collapse;
background:white;
box-shadow:0 4px 12px rgba(0,0,0,.08);
}

#COMPARISON_TABLE th{
/*background:var(--PRIMARY);*/
color:var(--PRIMARY);
/*padding:15px;*/
display: none;
}

#COMPARISON_TABLE td{
border:1px solid var(--BORDER);
padding:14px;
max-width: 319px;
}

.PROPERTY_COLUMN{
font-weight:bold;
width:25%;
background:#f3f4f6;
}

.DIFFERENT{
background:var(--WARNING);
font-weight:bold;
color:#b45309;
}

.SAME{
background:var(--SUCCESS);
}

@media(max-width:768px){

#STATE_HEADER{
grid-template-columns:1fr;
}

select{
min-width:100%;
}

#CONTROL_PANEL{
flex-direction:column;
}

}

input[type="checkbox" i] {
margin-top: 20px;
height: 25px;
width: 25px;
}

img{
    filter: brightness(.75);
}

img:hover{
    filter: brightness(1);
}