/*==============================
  GOOGLE FONT & RESET
===============================*/

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f5f8ff;
    color:#222;
    line-height:1.7;
    overflow-x:hidden;
}

/*==============================
 LINKS
===============================*/

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

img{
    max-width:100%;
    display:block;
}

/*==============================
 NAVBAR
===============================*/

header{
    position:sticky;
    top:0;
    z-index:1000;
    background:#ffffff;
    box-shadow:0 2px 18px rgba(0,0,0,.08);
}

.navbar{

    max-width:1300px;

    margin:auto;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:16px 22px;

}

.logo a{

    font-size:28px;

    font-weight:700;

    color:#1565c0;

}

.logo span{

    color:#00b894;

}

.nav-links{

    display:flex;

    list-style:none;

    gap:20px;

}

.nav-links a{

    padding:10px 18px;

    border-radius:10px;

    font-weight:500;

    transition:.3s;

}

.nav-links a:hover{

    background:#1565c0;

    color:#fff;

}

.nav-links .active{

    background:#1565c0;

    color:#fff;

}

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

.hero{

    background:linear-gradient(135deg,#1565c0,#1e88e5,#42a5f5);

    color:#fff;

    padding:70px 20px;

}

.hero-content{

    max-width:1100px;

    margin:auto;

    text-align:center;

}

.hero h1{

    font-size:42px;

    line-height:1.3;

    margin-bottom:18px;

    font-weight:700;

}

.hero p{

    max-width:900px;

    margin:auto;

    font-size:18px;

    opacity:.95;

}

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

main{

    max-width:1200px;

    margin:45px auto;

    padding:0 18px;

}

/*==============================
 TABS
===============================*/

.tabs-section{

    background:#fff;

    border-radius:22px;

    box-shadow:0 12px 40px rgba(0,0,0,.08);

    overflow:hidden;

}

.tab-buttons{

    display:flex;

    justify-content:space-between;

    gap:12px;

    padding:18px;

    background:#eef4ff;

}

.tab-btn{

    flex:1;

    border:none;

    outline:none;

    cursor:pointer;

    padding:16px;

    border-radius:14px;

    background:#fff;

    color:#1565c0;

    font-size:17px;

    font-weight:600;

    transition:.35s;

}

.tab-btn:hover{

    background:#1565c0;

    color:#fff;

    transform:translateY(-2px);

}

.tab-btn.active{

    background:#1565c0;

    color:#fff;

    box-shadow:0 10px 22px rgba(21,101,192,.35);

}

/*==============================
 TAB CONTENT
===============================*/

.tab-content{

    display:none;

    padding:35px;

}

.tab-content.active{

    display:block;

    animation:fade .4s ease;

}

@keyframes fade{

    from{

        opacity:0;

        transform:translateY(20px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

.section-info{

    color:#666;

    margin:10px 0 30px;

    font-size:16px;

}
/*==================================
   OFFICIAL PYQ SECTION
===================================*/

.paper-list{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));

    gap:18px;

    margin-top:25px;

}

.paper-card{

    display:flex;

    align-items:center;

    justify-content:space-between;

    padding:18px 22px;

    background:#fff;

    border:1px solid #dfe8ff;

    border-radius:16px;

    color:#1565c0;

    font-weight:600;

    transition:.3s;

    box-shadow:0 6px 18px rgba(0,0,0,.05);

}

.paper-list a::before{

    content:"📄";

    font-size:22px;

    margin-right:12px;

}

.paper-list a::after{

    content:"→";

    font-size:22px;

    font-weight:700;

}

.paper-list a:hover{

    background:#1565c0;

    color:#fff;

    transform:translateY(-5px);

    box-shadow:0 18px 35px rgba(21,101,192,.25);

}

/*==================================
   STRATEGY ARTICLE
===================================*/

.strategy-article{

    background:#fff;

    border-radius:22px;

    padding:35px;

    box-shadow:0 10px 30px rgba(0,0,0,.06);

}

.strategy-article h2{

    color:#1565c0;

    font-size:32px;

    margin-bottom:20px;

}

.strategy-article p{

    color:#444;

    font-size:17px;

    margin-bottom:18px;

    text-align:justify;

}

.strategy-article ul{

    margin:25px 0;

    padding-left:22px;

}

.strategy-article li{

    margin-bottom:18px;

    color:#444;

    line-height:1.8;

}

.strategy-article strong{

    color:#1565c0;

}

/*==================================
   SECTION SPACING
===================================*/

#official-pyq,
#strategy{

    margin-top:10px;

}

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

.footer{

    margin-top:60px;

    background:#1565c0;

    color:#fff;

    text-align:center;

    padding:30px 20px;

}

.footer p{

    font-size:15px;

    letter-spacing:.4px;

}

/*==================================
   SCROLLBAR
===================================*/

::-webkit-scrollbar{

    width:8px;

}

::-webkit-scrollbar-track{

    background:#eef3ff;

}

::-webkit-scrollbar-thumb{

    background:#1565c0;

    border-radius:20px;

}

::-webkit-scrollbar-thumb:hover{

    background:#0d47a1;

}

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

@media(max-width:768px){

    .paper-list{

        grid-template-columns:1fr;

    }

    .paper-list a{

        font-size:15px;

        padding:16px;

    }

    .strategy-article{

        padding:22px;

    }

    .strategy-article h2{

        font-size:26px;

    }

    .strategy-article p{

        font-size:15px;

    }

    .strategy-article li{

        font-size:15px;

    }

    .footer{

        padding:24px 15px;

    }

}
.ripple{
position:absolute;
border-radius:50%;
transform:scale(0);
animation:ripple .6s linear;
background:rgba(255,255,255,.5);
pointer-events:none;
}

.mock-btn,
.pdf-btn{
position:relative;
overflow:hidden;
}

@keyframes ripple{

to{

transform:scale(4);

opacity:0;

}

}

.test-card,
.paper-card,
.strategy-article{

opacity:0;

transform:translateY(35px);

transition:.6s;

}

.show{

opacity:1;

transform:translateY(0);

}