*{
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
    scroll-padding-top:85px;
}

body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    background:#f6f8f5;
    color:#263b35;
    line-height:1.7;
}

/* ================= HEADER ================= */

.header{
    position:sticky;
    top:0;
    z-index:999;
    background:#ffffff;
    border-bottom:1px solid #e5e8e3;
    box-shadow:0 2px 10px rgba(0,0,0,.04);
}

.header-inner{
    max-width:1250px;
    margin:auto;
    height:75px;
    padding:0 20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo{
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
    font-size:25px;
    font-weight:800;
    color:#12385a;
}

.logo img{
    width:50px;
    height:50px;
    object-fit:contain;
    border-radius:10px;
}

nav{
    display:flex;
    gap:28px;
}

nav a{
    text-decoration:none;
    color:#304b45;
    font-weight:600;
    transition:.2s;
}

nav a:hover{
    color:#e97900;
}

.menu-btn{
    display:none;
    background:none;
    border:0;
    font-size:27px;
    color:#12385a;
    cursor:pointer;
}


/* ================= HERO ================= */

.hero{
    padding:65px 20px 75px;
    text-align:center;
    color:white;

    background:
    radial-gradient(
        circle at center,
        #173b58 0%,
        #0d2c47 42%,
        #061923 100%
    );

    border-bottom:5px solid #ef8500;
}

.hero-content{
    max-width:950px;
    margin:auto;
}

.hero-logo{
    width:125px;
    height:125px;
    object-fit:contain;
    border-radius:25px;
    margin-bottom:20px;
    background:#ffffff;
    padding:5px;
}

.hero h1{
    font-size:48px;
    line-height:1.2;
    margin:10px 0 20px;

    background:
    linear-gradient(
        90deg,
        #ffffff,
        #ffb52b,
        #52b96a
    );

    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
}

.hero p{
    font-size:18px;
    max-width:800px;
    margin:0 auto 30px;
    color:#e2eee8;
}

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:15px;
    flex-wrap:wrap;
}

.primary-btn,
.secondary-btn{
    padding:15px 27px;
    border-radius:10px;
    text-decoration:none;
    font-weight:700;
    transition:.25s;
}

.primary-btn{
    background:linear-gradient(
        100deg,
        #e87500,
        #ffab18
    );
    color:white;
    box-shadow:0 7px 18px rgba(239,126,0,.28);
}

.primary-btn:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 24px rgba(239,126,0,.38);
}

.secondary-btn{
    border:1px solid #ef920f;
    color:white;
    background:#102d43;
}

.secondary-btn:hover{
    background:#ef8500;
    border-color:#ef8500;
}


/* ================= MAIN ================= */

.container{
    max-width:1250px;
    margin:auto;
    padding:35px 18px;
}


/* ================= CARDS ================= */

.card{
    background:#ffffff;
    border:1px solid #dce6df;
    border-radius:18px;
    padding:32px;
    margin-bottom:28px;

    box-shadow:
        0 3px 12px rgba(20,60,40,.06);
}

.card h2{
    font-size:30px;
    color:#12385a;
    margin:0 0 22px;
    padding-bottom:13px;
    border-bottom:2px solid #edf1ed;
}

.card p,
.card li{
    font-size:17px;
    color:#405b50;
}


/* ================= TABLE OF CONTENT ================= */

.toc{
    display:grid;
}

.toc a{
    text-decoration:none;
    color:#315b4c;
    font-size:16px;
    padding:5px 0;
    transition:.2s;
}

.toc a:hover{
    color:#e87900;
    padding-left:5px;
}


/* ================= INVITE CODE ================= */

.invite-box{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;

    padding:20px 25px;

    border:1px dashed #e88a08;
    border-radius:14px;

    background:
        linear-gradient(
            135deg,
            #fffaf1,
            #f2faf3
        );
}

.invite-box span{
    display:block;
    font-size:12px;
    color:#678174;
    font-weight:bold;
}

.invite-box strong{
    display:block;
    font-size:28px;
    letter-spacing:3px;
    color:#df7200;
}

.invite-box button{
    border:0;
    background:linear-gradient(
        100deg,
        #e87500,
        #f5a516
    );

    color:white;
    padding:12px 22px;
    border-radius:9px;
    font-weight:bold;
    cursor:pointer;
    transition:.2s;
}

.invite-box button:hover{
    transform:translateY(-1px);
    box-shadow:0 5px 15px rgba(225,115,0,.25);
}

.small-note{
    font-size:14px!important;
    color:#708278!important;
}


/* ================= DOWNLOAD ================= */

.download-btn{
    display:block;
    max-width:400px;
    margin:25px auto;

    padding:16px;

    text-align:center;
    text-decoration:none;

    color:white;
    font-weight:bold;
    font-size:18px;

    border-radius:12px;

    background:
        linear-gradient(
            100deg,
            #e66f00,
            #f59e16,
            #278a47
        );

    box-shadow:
        0 8px 20px rgba(208,111,0,.22);

    transition:.25s;
}

.download-btn:hover{
    transform:translateY(-2px);
    box-shadow:
        0 11px 25px rgba(208,111,0,.32);
}


/* ================= APP INFO ================= */

.app-info{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:15px;
    margin-top:25px;
}

.app-info div{
    padding:18px;

    background:#f7faf7;
    border:1px solid #dce7df;
    border-radius:12px;
    text-align:center;
}

.app-info span{
    display:block;
    font-size:11px;
    color:#73847b;
}

.app-info strong{
    font-size:16px;
    color:#12385a;
}


/* ================= FEATURES ================= */

.features{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
}

.feature{
    padding:25px;

    border:1px solid #dce5df;
    border-radius:15px;

    background:
        linear-gradient(
            135deg,
            #ffffff,
            #f8fbf8
        );

    transition:.25s;
}

.feature:hover{
    transform:translateY(-3px);

    box-shadow:
        0 8px 20px rgba(30,70,45,.08);

    border-color:#e9a13a;
}

.feature-icon{
    font-size:30px;
}

.feature h3{
    color:#df7300;
    margin:8px 0;
}


/* ================= TABLE ================= */

table{
    width:100%;
    border-collapse:collapse;
}

th,
td{
    border:1px solid #dce5df;
    padding:15px;
    text-align:left;
}

th{
    background:#f5f8f5;
    color:#12385a;
}


/* ================= SCREENSHOTS ================= */

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

.screenshots div{
    border:1px solid #dce5df;
    border-radius:14px;
    overflow:hidden;
    text-align:center;
    background:#ffffff;
}

.screenshots img{
    width:100%;
    height:400px;
    object-fit:contain;

    background:
        linear-gradient(
            135deg,
            #f8f8f8,
            #eef4ef
        );

    display:block;
}

.screenshots p{
    font-weight:bold;
    font-size:15px;
    color:#12385a;
}


/* ================= NOTICE ================= */

.notice,
.warning{
    padding:20px;
    border-radius:12px;

    background:#f1f8f3;
    border-left:5px solid #278447;
}

.warning{
    background:#fff8ed;
    border-left-color:#ed8608;
}


/* ================= FAQ ================= */

details{
    border:1px solid #dce5df;
    border-radius:12px;
    margin:12px 0;
    padding:0 18px;
    background:#ffffff;
}

details[open]{
    border-color:#e8a03b;
}

summary{
    cursor:pointer;
    font-weight:bold;
    padding:17px 0;
    color:#12385a;
}

details p{
    padding-bottom:12px;
}


/* ================= FOOTER ================= */

footer{
    background:
        linear-gradient(
            135deg,
            #061923,
            #0c2c43
        );

    color:#a9c2b5;
    padding:50px 20px 25px;

    border-top:5px solid #e77c00;
}

.footer-inner{
    max-width:1000px;
    margin:auto;

    display:grid;
    grid-template-columns:1.3fr 1fr 1fr;

    gap:50px;
}

footer h3{
    color:white;
}

footer a{
    display:block;
    color:#a9c2b5;
    text-decoration:none;
    margin:6px 0;
    transition:.2s;
}

footer a:hover{
    color:#ffad27;
}

.copyright{
    max-width:1000px;
    margin:35px auto 0;
    padding-top:22px;

    border-top:1px solid #294352;

    text-align:center;
    color:#91aaa0;
}


/* ================= MOBILE ================= */

@media(max-width:760px){

    .header-inner{
        height:65px;
    }

    .logo{
        font-size:21px;
    }

    .logo img{
        width:42px;
        height:42px;
    }

    .menu-btn{
        display:block;
    }

    nav{
        display:none;

        position:absolute;
        left:0;
        right:0;
        top:65px;

        background:white;

        padding:12px 20px;

        flex-direction:column;
        gap:0;

        border-bottom:1px solid #ddd;

        box-shadow:0 5px 15px rgba(0,0,0,.06);
    }

    nav.active{
        display:flex;
    }

    nav a{
        padding:11px 0;
    }

    nav a:hover{
        padding-left:5px;
    }


    .hero{
        padding:45px 17px 55px;
    }

    .hero-logo{
        width:95px;
        height:95px;
    }

    .hero h1{
        font-size:34px;
    }

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

    .container{
        padding:25px 13px;
    }

    .card{
        padding:23px 17px;
    }

    .card h2{
        font-size:25px;
    }

    .card p,
    .card li{
        font-size:16px;
    }


    .invite-box{
        align-items:flex-start;
        flex-direction:column;
    }

    .invite-box button{
        width:100%;
    }


    .app-info,
    .features,
    .screenshots,
    .footer-inner{
        grid-template-columns:1fr;
    }

    .screenshots img{
        height:450px;
    }


    table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
    }

}

.telegram-btn{
    padding:15px 27px;
    border-radius:10px;
    text-decoration:none;
    font-weight:700;
    color:white;
    background:linear-gradient(135deg,#168bd9,#087ee8);
    border:1px solid #39a9f5;
    box-shadow:0 6px 18px rgba(0,130,240,.20);
    transition:.25s ease;
}

.telegram-btn:hover{
    transform:translateY(-2px);
    background:linear-gradient(135deg,#087ee8,#168bd9);
}

.telegram-download-btn{
    display:block;
    max-width:400px;
    margin:15px auto;
    padding:15px;
    text-align:center;
    text-decoration:none;
    color:white;
    font-weight:bold;
    font-size:17px;
    border-radius:12px;
    background:linear-gradient(135deg,#168bd9,#087ee8);
    box-shadow:0 7px 18px rgba(0,130,240,.20);
    transition:.25s ease;
}

.telegram-download-btn:hover{
    transform:translateY(-2px);
}