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

body{
    font-family:'Open Sans',sans-serif;
    background:#f5f7fa;
    color:#1f2937;
    line-height:1.6;
}

/* ===========================
   HEADER
=========================== */
.header{
    background:#0b1f33;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 2px 15px rgba(0,0,0,.1);
}

.container{
    max-width:1200px;
    margin:auto;
    padding:18px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo img{
    height:55px;
}

.nav{
    display:flex;
    gap:25px;
}

.nav a{
    color:#ffffff;
    text-decoration:none;
    font-weight:600;
    transition:.3s;https://github.com/ajaxorg/ace/wiki/Default-Keyboard-Shortcuts
}

.nav a:hover{
    color:#f4c542;
}

.language-switch{
    display:flex;
    gap:10px;
}

.language-switch button{
    background:white;
    color:#022a62;
    border:none;
    padding:8px 15px;
    border-radius:6px;
    cursor:pointer;
    font-weight:600;
}

.language-switch button:hover{
    background:#e8edf7;
}

/* ===========================
   HERO
=========================== */
.hero{
    position:relative;
    height:420px;
    background:url("../images/im3.jpg") center center/cover no-repeat;
    display:flex;
    justify-content:center;
    align-items:center;
}

.overlay{
    position:absolute;
    inset:0;
    background:rgba(11,31,51,.72);
}

.hero-content{
    position:relative;
    z-index:2;
    text-align:center;
    color:#fff;
    max-width:800px;
    padding:20px;
}

.hero-content h1{
    font-size:48px;
    margin-bottom:20px;
    font-weight:700;
}

.hero-content p{
    font-size:18px;
    opacity:.95;
}


/* ===========================
   LOGIN CARD
=========================== */
.login-section{
    margin-top:-90px;
    position:relative;
    z-index:5;
    padding:0 20px 80px;
}

.login-card{
    max-width:500px;
    margin:auto;
    background:#fff;
    border-radius:18px;
    padding:40px;
    box-shadow:0 20px 50px rgba(0,0,0,.12);
}

.login-card h2{
    text-align:center;
    color:#0b1f33;
    margin-bottom:10px;
}

.subtitle{
    text-align:center;
    color:#6b7280;
    margin-bottom:30px;
}

.error-message{
    background:#fde8e8;
    color:#b91c1c;
    padding:12px;
    border-radius:8px;
    margin-bottom:20px;
    text-align:center;
}

.form-group{
    margin-bottom:20px;
}

.form-group label{
    display:block;
    margin-bottom:8px;
    font-weight:600;
    color:#374151;
}

.form-group input{
    width:100%;
    height:55px;
    border:1px solid #d1d5db;
    border-radius:10px;
    padding:0 15px;
    font-size:15px;
    transition:.3s;
}

.form-group input:focus{
    outline:none;
    border-color:#005bac;
    box-shadow:0 0 0 4px rgba(0,91,172,.12);
}

.login-btn{
    width:100%;
    height:55px;
    border:none;
    border-radius:10px;
    background:#005bac;
    color:#fff;
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    transition:.3s;
}

.login-btn:hover{
    background:#00478a;
}

/* ===========================
   FOOTER
=========================== */
.footer{
    background:#0b1f33;
    color:#fff;
}

.footer-container{
    max-width:1200px;
    margin:auto;
    padding:60px 20px;
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:50px;
}

.footer-column h3{
    margin-bottom:20px;
}

.footer-column p{
    color:#d8e1ea;
}

.verify-btn{
    display:inline-block;
    margin-top:25px;
    padding:12px 25px;
    background:#005bac;
    color:#fff;
    text-decoration:none;
    border-radius:8px;
    font-weight:600;
    transition:.3s;
}

.verify-btn:hover{
    background:#00478a;
}

.footer-bottom{
    text-align:center;
    border-top:1px solid rgba(255,255,255,.1);
    padding:30px 20px;
}

.footer-logo{
    width:90px;
    margin-bottom:15px;
}

.copyright{
    color:#cbd5e1;
    font-size:14px;
}

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

    .container{
        flex-direction:column;
        gap:20px;
    }

    .nav{
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero{
        height:350px;
    }

    .hero-content h1{
        font-size:32px;
    }

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

    .login-card{
        padding:30px 25px;
    }

    .footer-container{
        grid-template-columns:1fr;
        text-align:center;
    }
}