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

body{
  font-family:Arial, Helvetica, sans-serif;
  background:#07111f;
  color:#fff;
  line-height:1.6;
}

a{
  text-decoration:none;
  color:inherit;
}

.container{
  width:92%;
  max-width:1180px;
  margin:auto;
}

header{
  position:sticky;
  top:0;
  z-index:99;
  background:rgba(7,17,31,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
}

.logo{
  font-size:24px;
  font-weight:800;
}

.logo span{
  color:#27f5a9;
}

.menu{
  display:flex;
  gap:22px;
  font-size:14px;
  color:#d9e6f2;
}

.menu a:hover,
.menu a.active{
  color:#27f5a9;
}

.nav-btn,
.btn-primary,
.btn-secondary{
  display:inline-block;
  padding:12px 22px;
  border-radius:36px;
  font-weight:bold;
  transition:.25s;
}

.nav-btn,
.btn-primary{
  background:linear-gradient(135deg,#27f5a9,#1aa7ff);
  color:#03101d;
  box-shadow:0 10px 30px rgba(39,245,169,.22);
}

.btn-secondary{
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
}

.nav-btn:hover,
.btn-primary:hover,
.btn-secondary:hover{
  transform:translateY(-3px);
}

.hero{
  min-height:86vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 20% 20%,rgba(39,245,169,.22),transparent 32%),
    radial-gradient(circle at 80% 25%,rgba(26,167,255,.22),transparent 32%),
    linear-gradient(135deg,#07111f,#0b2039);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}

.badge{
  display:inline-block;
  padding:8px 14px;
  border:1px solid rgba(39,245,169,.4);
  color:#27f5a9;
  border-radius:30px;
  margin-bottom:18px;
  background:rgba(39,245,169,.08);
}

.hero h1,
.page-title h1{
  font-size:56px;
  line-height:1.08;
  margin-bottom:18px;
}

.hero h1 span,
.page-title h1 span{
  background:linear-gradient(135deg,#27f5a9,#1aa7ff);
  -webkit-background-clip:text;
  color:transparent;
}

.hero p,
.page-title p{
  color:#c9d6e4;
  max-width:650px;
  margin-bottom:28px;
}

.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.sport-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:30px;
  padding:24px;
  backdrop-filter:blur(14px);
  box-shadow:0 25px 60px rgba(0,0,0,.3);
}

.cover{
  height:360px;
  border-radius:24px;
  background:
    linear-gradient(rgba(0,0,0,.1),rgba(0,0,0,.6)),
    url("https://images.unsplash.com/photo-1461896836934-ffe607ba8211?auto=format&fit=crop&w=900&q=80");
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:end;
  padding:22px;
}

.cover h3{
  font-size:28px;
}

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:16px;
}

.stat{
  background:rgba(255,255,255,.08);
  padding:14px;
  border-radius:16px;
  text-align:center;
}

.stat strong{
  display:block;
  color:#27f5a9;
  font-size:22px;
}

.stat span{
  font-size:12px;
  color:#b8c7d8;
}

section{
  padding:80px 0;
}

.page-title{
  padding:90px 0 50px;
  background:
    radial-gradient(circle at 20% 20%,rgba(39,245,169,.18),transparent 30%),
    linear-gradient(135deg,#07111f,#0b2039);
}

.section-title{
  text-align:center;
  margin-bottom:44px;
}

.section-title h2{
  font-size:38px;
  margin-bottom:10px;
}

.section-title p{
  color:#b8c7d8;
}

.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  padding:24px;
  border-radius:24px;
  transition:.25s;
}

.card:hover{
  transform:translateY(-6px);
  border-color:rgba(39,245,169,.45);
}

.icon{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,#27f5a9,#1aa7ff);
  color:#06111f;
  font-size:24px;
  margin-bottom:16px;
}

.card h3{
  margin-bottom:8px;
}

.card p{
  color:#b8c7d8;
  font-size:14px;
}

.book{
  background:#0d1b2e;
  border:1px solid rgba(255,255,255,.08);
  border-radius:26px;
  overflow:hidden;
  transition:.25s;
}

.book:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 50px rgba(0,0,0,.28);
}

.book-img{
  height:220px;
  background-size:cover;
  background-position:center;
}

.book-content{
  padding:22px;
}

.tag{
  display:inline-block;
  font-size:12px;
  color:#06111f;
  background:#27f5a9;
  padding:5px 10px;
  border-radius:20px;
  margin-bottom:12px;
  font-weight:bold;
}

.book h3{
  font-size:22px;
  margin-bottom:8px;
}

.book p{
  color:#b8c7d8;
  font-size:14px;
  margin-bottom:18px;
}

.info-box{
  background:linear-gradient(135deg,rgba(39,245,169,.13),rgba(26,167,255,.13));
  border:1px solid rgba(255,255,255,.12);
  border-radius:34px;
  padding:44px;
}

.list{
  display:grid;
  gap:14px;
}

.list div{
  padding:16px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
}

.form{
  display:grid;
  gap:16px;
  max-width:650px;
  margin:auto;
}

.form input,
.form textarea{
  width:100%;
  padding:15px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:#0d1b2e;
  color:#fff;
  outline:none;
}

.form textarea{
  min-height:140px;
  resize:none;
}

footer{
  border-top:1px solid rgba(255,255,255,.08);
  padding:28px 0;
  color:#9fb1c5;
  text-align:center;
  font-size:14px;
}

@media(max-width:900px){
  .hero-grid{
    grid-template-columns:1fr;
  }

  .hero h1,
  .page-title h1{
    font-size:42px;
  }

  .grid-4,
  .grid-3{
    grid-template-columns:repeat(2,1fr);
  }

  .menu{
    display:none;
  }
}

@media(max-width:560px){
  .hero{
    padding:55px 0;
  }

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

  .grid-4,
  .grid-3,
  .stats{
    grid-template-columns:1fr;
  }

  .cover{
    height:300px;
  }

  .info-box{
    padding:26px;
  }

  .nav-btn{
    padding:9px 14px;
    font-size:13px;
  }
}