:root{
    --primary:#0f4c81;
    --secondary:#1f2937;
    --accent:#2563eb;
    --light:#f5f7fb;
    --white:#ffffff;
    --border:#e5e7eb;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Segoe UI',sans-serif;
}

body{
    background:var(--light);
    color:#333;
}

/* HEADER */
header{
    background:#e6f9ff;
    box-shadow:0 2px 12px rgba(0,0,0,0.08);
    position:sticky;
    top:0;
    z-index:100;
}

.header-container{
    max-width:1400px;
    margin:auto;
    padding:15px 25px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo{
    max-width: 80px;
}

.company-info{
    text-align:center;
    flex:1;
}

.company-info h1{
    color:var(--primary);
    font-size:28px;
    font-weight:700;
}

.company-info p{
    color:#002f87;
    margin-top:5px;
    margin-bottom: 0;
    font-weight: 600;
}

/* HERO */
.hero{
    background:linear-gradient(135deg,#0f4c81,#2563eb);
    color:white;
    padding: 15px 20px;
}

.hero-inner{
    max-width:1400px;
    margin:auto;
}

.hero h2{
    font-size: 30px;
    margin-bottom: 10px;
    line-height: 30px;
}

.hero p{
    max-width:700px;
    font-size:18px;
    opacity:0.95;
    margin: 0;
}

/* MAIN */
.main-container{
    max-width:1400px;
    margin:30px auto;
    padding:0 20px;
    display:grid;
    grid-template-columns:350px 1fr;
    gap:25px;
}

/* CIRCULARS */
.circular-card{
    background:white;
    border-radius:16px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
}

.card-header{
    background:var(--primary);
    color:white;
    padding:18px 20px;
    font-size:20px;
    font-weight:600;
}

.circular-list{
    list-style:none;
}
.circular-card .circular-list {
    padding-left: 15px;
}
.circular-list li{
    border-bottom:1px solid var(--border);
}

.circular-list li:last-child{
    border-bottom:none;
}

.circular-list a{
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #1956b0;
    transition: 0.3s;
    font-weight: 500;
}

.circular-list a:hover{
    background:#f7faff;
    color:var(--accent);
}

.circular-date{
    display:block;
    margin-top:6px;
    color:#4d4d4d;
    font-size:13px;
}

/* CONTENT */
.content-card{
    background:white;
    border-radius:16px;
    padding:30px 35px;
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
}

.content-card h2{
    color:var(--primary);
    margin-bottom:20px;
}

.content-card p{
    line-height:1.8;
    margin-bottom:15px;
}

.info-grid{
    margin-top:30px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}

.info-box{
    background:#10b981;
    border:1px solid #dbeafe;
    padding:25px;
    border-radius:12px;
    text-decoration: none;
    color: #fff;
}
.info-box:hover {
    opacity: .95;
    text-decoration: underline;
}
.info-box h3{
    margin-bottom: 0;
    color: #fff;
    font-size: 19px;
    text-align: center;
}

.notice{
    margin:25px 0;
    background:#eef6ff;
    border-left:5px solid var(--accent);
    padding:20px;
    border-radius:10px;
}
.notice strong {
    margin-bottom: 10px;
    display: block;
    font-size: 18px;
    color: #f00;
}
.notice ul {
    margin: 0;
    padding-left: 20px;
    list-style-type: disclosure-closed;
    color: #051b8f;
    font-weight: 500;
}
.notice ul li:not(:last-child) {
    margin-bottom: 10px;
}
/* FOOTER */
footer{
    background:var(--secondary);
    color:white;
    text-align:center;
    padding:20px;
    margin-top:40px;
}

/* TABLET */
@media(max-width:992px){

    .main-container{
        grid-template-columns:1fr;
    }

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

    .hero h2{
        font-size:34px;
    }
}

/* MOBILE */
@media(max-width:768px){


    .header-container{
        gap:15px;
    }
    .logo {
        max-width: 64px;
    }
    .company-info h1{
        font-size:18px;
    }
    .company-info p {
        font-size: 14px;
    }
    .hero{
        text-align:center;
    }

    .hero h2{
        font-size:28px;
    }

    .hero p{
        font-size:16px;
    }

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

    .content-card{
        padding:25px;
    }
}