*{
  box-sizing:border-box;
}

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

body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:#f5f6fa;
  color:#252b4a;
  line-height:1.7;
}


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

.header{
  position:sticky;
  top:0;
  z-index:999;
  background:#ffffff;
  border-bottom:1px solid #e5e6ee;
  box-shadow:0 2px 12px rgba(28,30,75,.06);
}

.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:#20205f;
}

.logo img{
  width:48px;
  height:48px;
  object-fit:contain;
  border-radius:8px;
}

nav{
  display:flex;
  gap:26px;
  align-items:center;
}

nav a{
  text-decoration:none;
  color:#343957;
  font-weight:600;
  transition:.2s ease;
}

nav a:hover{
  color:#e92345;
}

.menu-btn{
  display:none;
  background:none;
  border:0;
  font-size:28px;
  color:#20205f;
  cursor:pointer;
}


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

.hero{
  position:relative;
  padding:70px 20px 80px;
  text-align:center;
  color:white;
  overflow:hidden;

  background:
  radial-gradient(
    circle at 50% 25%,
    #30307a 0%,
    #20205f 35%,
    #11143d 68%,
    #080b27 100%
  );

  border-bottom:5px solid #e92345;
}

.hero:before{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  background:rgba(233,35,69,.10);
  border-radius:50%;
  top:-120px;
  left:-80px;
}

.hero:after{
  content:"";
  position:absolute;
  width:300px;
  height:300px;
  background:rgba(255,255,255,.04);
  border-radius:50%;
  bottom:-180px;
  right:-80px;
}

.hero-content{
  position:relative;
  z-index:2;
  max-width:950px;
  margin:auto;
}

.hero-logo{
  width:125px;
  height:125px;
  object-fit:contain;
  background:#ffffff;
  border-radius:25px;
  padding:5px;
  margin-bottom:22px;
  box-shadow:
    0 12px 35px rgba(0,0,0,.30);
}

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

  background:
    linear-gradient(
      90deg,
      #ffffff 0%,
      #ffffff 55%,
      #ff5068 100%
    );

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

.hero p{
  font-size:18px;
  max-width:820px;
  margin:0 auto 32px;
  color:#e1e2f2;
}

.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:.2s ease;
}

.primary-btn{
  background:#e92345;
  color:#ffffff;
  box-shadow:0 8px 20px rgba(233,35,69,.25);
}

.primary-btn:hover{
  background:#cf1838;
  transform:translateY(-2px);
}

.secondary-btn{
  border:1px solid #ffffff;
  color:#ffffff;
  background:rgba(255,255,255,.08);
}

.secondary-btn:hover{
  background:#ffffff;
  color:#20205f;
}


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

.container{
  max-width:1250px;
  margin:auto;
  padding:38px 18px;
}


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

.card{
  background:#ffffff;
  border:1px solid #e1e3ec;
  border-radius:18px;
  padding:32px;
  margin-bottom:28px;

  box-shadow:
    0 4px 16px rgba(32,32,95,.06);
}

.card h2{
  font-size:30px;
  color:#20205f;
  margin:0 0 22px;
  padding-bottom:13px;
  border-bottom:2px solid #eeeeF4;
}

.card h2:after{
  content:"";
  display:block;
  width:55px;
  height:3px;
  background:#e92345;
  margin-top:10px;
  border-radius:5px;
}

.card p,
.card li{
  font-size:17px;
  color:#4b536d;
}


/* =========================
   TABLE OF CONTENTS
========================= */

.toc{
  display:grid;
}

.toc a{
  text-decoration:none;
  color:#303568;
  font-size:16px;
  padding:7px 0;
  transition:.2s ease;
}

.toc a:hover{
  color:#e92345;
  padding-left:5px;
}


/* =========================
   REFER / INVITE BOX
========================= */

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

  padding:20px 25px;

  border:1px dashed #e92345;
  border-radius:14px;

  background:#fff7f8;
}

.invite-box span{
  display:block;
  font-size:12px;
  color:#777d91;
  font-weight:bold;
}

.invite-box strong{
  display:block;
  font-size:28px;
  letter-spacing:3px;
  color:#20205f;
}

.invite-box button{
  border:0;
  background:#e92345;
  color:white;
  padding:12px 22px;
  border-radius:9px;
  font-weight:bold;
  cursor:pointer;
  transition:.2s ease;
}

.invite-box button:hover{
  background:#cf1838;
  transform:translateY(-1px);
}

.small-note{
  font-size:14px!important;
  color:#737b91!important;
}


/* =========================
   TELEGRAM BUTTON
========================= */

.telegram-btn{
  display:inline-block;
  padding:12px 24px;
  background:#20205f;
  color:#fff;
  text-decoration:none;
  border-radius:9px;
  font-weight:700;
  font-size:16px;
  transition:.2s ease;
}

.telegram-btn:hover{
  background:#e92345;
  transform:translateY(-1px);
}


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

.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,
      #20205f,
      #30307c
    );

  box-shadow:
    0 8px 20px rgba(32,32,95,.22);

  transition:.2s ease;
}

.download-btn:hover{
  background:
    linear-gradient(
      100deg,
      #e92345,
      #d7193c
    );

  transform:translateY(-2px);
}


/* =========================
   APP INFORMATION
========================= */

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

.app-info div{
  padding:18px;
  background:#f7f7fb;
  border:1px solid #e1e3ec;
  border-radius:12px;
  text-align:center;
}

.app-info span{
  display:block;
  font-size:11px;
  color:#777e94;
}

.app-info strong{
  font-size:16px;
  color:#20205f;
}


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

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

.feature{
  padding:25px;
  border:1px solid #e0e2eb;
  border-radius:15px;
  background:#ffffff;
  transition:.2s ease;
}

.feature:hover{
  border-color:#e92345;
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(32,32,95,.08);
}

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

.feature h3{
  color:#20205f;
  margin:8px 0;
}


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

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

th,
td{
  border:1px solid #dfe1e9;
  padding:15px;
  text-align:left;
}

th{
  background:#f3f3f8;
  color:#20205f;
}

td{
  color:#4b536d;
}


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

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

.screenshots div{
  border:1px solid #dfe1e9;
  border-radius:14px;
  overflow:hidden;
  text-align:center;
  background:#ffffff;
}

.screenshots img{
  width:100%;
  height:400px;
  object-fit:contain;
  background:#f5f5f7;
  display:block;
}

.screenshots p{
  font-weight:bold;
  font-size:15px;
  color:#20205f;
}


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

.notice,
.warning{
  padding:20px;
  border-radius:12px;
  background:#f4f4fb;
  border-left:5px solid #20205f;
}

.warning{
  background:#fff5f6;
  border-left-color:#e92345;
}


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

details{
  border:1px solid #dfe1e9;
  border-radius:12px;
  margin:12px 0;
  padding:0 18px;
  background:#ffffff;
}

details[open]{
  border-color:#e92345;
}

summary{
  cursor:pointer;
  font-weight:bold;
  padding:17px 0;
  color:#20205f;
}

details p{
  padding-bottom:12px;
}


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

footer{
  background:
    linear-gradient(
      135deg,
      #090b27,
      #151744,
      #20205f
    );

  color:#b9bdd2;
  padding:50px 20px 25px;
}

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

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

  gap:50px;
}

footer .logo{
  color:#ffffff;
}

footer .logo img{
  background:#ffffff;
}

footer h3{
  color:#ffffff;
}

footer a{
  display:block;
  color:#b9bdd2;
  text-decoration:none;
  margin:7px 0;
  transition:.2s ease;
}

footer a:hover{
  color:#ff405c;
}

.copyright{
  max-width:1000px;
  margin:35px auto 0;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.15);
  text-align:center;
  color:#9da2ba;
}


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

@media(max-width:760px){

  .header-inner{
    height:65px;
  }

  .logo{
    font-size:21px;
  }

  .logo img{
    width:40px;
    height:40px;
  }

  .menu-btn{
    display:block;
  }

  nav{
    display:none;

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

    background:#ffffff;

    padding:12px 20px;

    flex-direction:column;
    gap:0;

    border-bottom:1px solid #ddd;

    box-shadow:
      0 8px 18px rgba(20,25,70,.10);
  }

  nav.active{
    display:flex;
  }

  nav a{
    padding:12px 0;
    border-bottom:1px solid #f0f0f4;
  }

  nav a:last-child{
    border-bottom:0;
  }


  /* HERO */

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

  .hero-logo{
    width:95px;
    height:95px;
    border-radius:20px;
  }

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

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


  /* MAIN */

  .container{
    padding:25px 13px;
  }

  .card{
    padding:23px 17px;
    border-radius:15px;
  }

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

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


  /* REFER CODE */

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

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


  /* TELEGRAM */

  .telegram-btn{
    width:100%;
    text-align:center;
  }


  /* GRIDS */

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


  /* SCREENSHOTS */

  .screenshots img{
    height:450px;
  }


  /* TABLE */

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


  /* HERO BUTTONS */

  .hero-buttons{
    flex-direction:column;
  }

  .primary-btn,
  .secondary-btn{
    width:100%;
    text-align:center;
  }

}