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

body{
    font-family: Arial, Helvetica, sans-serif;
    background:#f5f7fb;
    color:#222;
    line-height:1.6;
}

.container{
    width:92%;
    max-width:1200px;
    margin:auto;
}

.hero{
    background:linear-gradient(135deg,#0f172a,#1e3a8a);
    color:white;
    padding:40px 20px;
    text-align:center;
}

.hero h1{
    font-size:42px;
    margin-bottom:18px;
    line-height: 1.3;
}

.hero h2{
    font-size:24px;
    font-weight:400;
    margin-bottom:25px;
}

.author{
    font-size:20px;
    font-weight:bold;
}

.subtitle{
    margin-top:12px;
    color:#dbeafe;
}

main{
    margin-top:50px;
    margin-bottom:60px;
}

section p{
    margin:10px 0;
}

ol li{
    margin:8px 0;
}

section{
    background:white;
    padding:35px;
    margin:35px 0;
    border-radius:10px;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
}

section h2{
    margin-bottom:20px;
    color:#1e3a8a;
}

section h3{
    margin-top:30px;
    margin-bottom:12px;
}

.results-table{
    width:100%;
    border-collapse:collapse;
    margin:25px 0;
}

.results-table th,
.results-table td{
    border:1px solid #ddd;
    padding:12px;
    text-align:center;
}

.results-table th{
    background:#1e3a8a;
    color:white;
}

.results-table tr:nth-child(even){
    background:#f8fafc;
}

.results-table tr:hover{
    background:#eef4ff;
}

.paper-info{
    margin-top:8px;
    color:#dbeafe;
    font-size:16px;
}

footer{
    background:#0f172a;
    color:white;
    text-align:center;
    padding:35px 20px;
    margin-top:60px;
}

footer p{
    margin:8px 0;
}

footer a{
    color:#93c5fd;
    text-decoration:none;
}

footer a:hover{
    text-decoration:underline;
}

/* ===== Results Chart ===== */

.chart {
    text-align: center;
    margin: 40px 0;
}

.chart img {
    width: 100%;
    max-width: 700px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.chart figcaption {
    margin-top: 12px;
    font-size: 15px;
    font-style: italic;
    color: #555;
    line-height: 1.6;
}

.timeline{
    background:#f8f9fc;
    border-left:5px solid #274690;
    padding:18px 22px;
    margin:20px 0;
    border-radius:8px;
}

.timeline p{
    margin:10px 0;
    font-size:17px;
}

.model-table{
    width:100%;
    border-collapse:collapse;
    margin:20px 0 35px;
}

.model-table th,
.model-table td{
    border:1px solid #ddd;
    padding:14px 18px;
    text-align:left;
}

.model-table th{
    background:#274690;
    color:white;
    font-weight:600;
}

.model-table tr:nth-child(even){
    background:#f7f9fc;
}

.model-table tr:hover{
    background:#eef4ff;
}