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

body{

    font-family:'Poppins', sans-serif;

    background:#f5f8ff;

}

nav{

    display:flex;

    justify-content:center;

    align-items:center;

    padding:25px 80px;

    background:rgb(7, 235, 228);

    box-shadow:0 2px 10px rgba(0,0,0,.08);

}

.logo{

    font-size:52px;

    font-weight:bold;

    color:#0f07f0;

}

ul{

    display:flex;

    list-style:none;

    gap:40px;

}

li{

    cursor:pointer;

    font-weight:600;

}

.hero{

    min-height:90vh;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:30px 150px;

}

.hero-text{

    width:600px;

}

.hero h1{

    font-size:60px;

    line-height:1.2;

    color:#1b1b1b;

}

.hero p{

    margin-top:25px;

    font-size:22px;

    color:#666;

    line-height:1.7;

}

button{

    margin-top:40px;

    padding:18px 35px;

    border:none;

    border-radius:10px;

    background:#1976D2;

    color:white;

    font-size:18px;

    cursor:pointer;

}

.buy{

    display:inline-block;

    background:#FF9800;

    color:#ffffff;

    text-decoration:none;

    padding:16px 36px;

    border-radius:12px;

    font-size:22px;

    font-weight:700;

    margin-left:20px;

    cursor:pointer;

    transition:.3s;

}
.subjects{

    padding:100px;

    background:white;

}

.subjects h2{

    text-align:center;

    font-size:45px;

    color:#222;

}

.subtitle{

    text-align:center;

    color:#666;

    font-size:20px;

    margin-top:20px;

    margin-bottom:60px;

}

.subject-grid{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:30px;

}

.card{

    background:#F7F9FC;

    padding:25px;

    border-radius:18px;

    text-align:center;

    transition: all 0.35s ease;

    cursor:pointer;

    font-size:55px;

    display:flex;

    flex-direction:column;

    justify-content:center;

    align-items:center;

    box-shadow:0 10px 30px rgba(0,0,0,.08);

}

.card:hover{

    transform:translateY(-12px) scale(1.03);

    box-shadow:0 25px 50px rgba(0,0,0,.18);


}

.card h3{

    margin-top:20px;

    font-size:28px;

}

.card p{

    margin-top:15px;

    color:#666;

    line-height:1.6;

    font-size:18px;

}
.hero-image img{

    width:360px;

    border-radius:20px;

    box-shadow:0 30px 60px rgba(0,0,0,.25);

    transition:all .4s ease;

    margin-top:30px;

}

.hero-image img{

    width:380px;

    transition:0.4s ease;

    filter:drop-shadow(0px 30px 40px rgba(0,0,0,.25));

}

.hero-image img:hover{

    transform:translateY(-15px) rotate(-3deg) scale(1.03);

}

.trust-badge{

    display:inline-flex;

    align-items:center;

    gap:12px;

    background:white;

    padding:12px 22px;

    border-radius:50px;

    box-shadow:0 10px 25px rgba(0,0,0,.08);

    margin-bottom:35px;

    font-size:18px;

    font-weight:600;

}

.trust-badge span{

    color:#444;

}

.hero-features{

    margin-top:30px;

    margin-bottom:40px;

}

.hero-features p{

    font-size:20px;

    margin-bottom:12px;

    color:#444;

    font-weight:500;

}

button:hover{

    transform:translateY(-4px);

    box-shadow:0 15px 30px rgba(0,0,0,.15);

}

.tick{
    color:#22c55e;
    margin-right:8px;
}

.hero-description{

    font-size:22px;

    line-height:1.7;

    color:#666;

    margin-top:25px;

    margin-bottom:35px;

    max-width:620px;

}

/* Popup Background */

.popup{

    display:none;

    position:fixed;

    top:0;

    left:0;

    width:100%;

    height:100%;

    background:rgba(0,0,0,.55);

    justify-content:center;

    align-items:center;

    z-index:9999;

}

/* Popup Box */

.popup-content{

    background:white;

    width:420px;

    padding:35px;

    border-radius:20px;

    text-align:center;

    box-shadow:0 30px 60px rgba(0,0,0,.25);

}

/* Close Button */

.close{

    float:right;

    font-size:30px;

    cursor:pointer;

}

/* Inputs */

.popup-content input,

.popup-content select{

    width:100%;

    padding:15px;

    margin-top:15px;

    border:1px solid #ddd;

    border-radius:10px;

    font-size:16px;

}

/* Popup Button */

.popup-content button{

    width:100%;

    margin-top:25px;

}

/* ===========================================
   THANK YOU PAGE
=========================================== */

.thankyou-container{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    background:linear-gradient(135deg,#f7fbff,#eef6ff);
    padding:40px;
}

.thankyou-card{
    background:#fff;
    width:100%;
    max-width:700px;
    border-radius:20px;
    padding:60px;
    text-align:center;
    box-shadow:0 20px 60px rgba(0,0,0,.12);
}

.success-icon{
    font-size:70px;
    margin-bottom:20px;
}

.thankyou-card h1{
    font-size:42px;
    margin-bottom:20px;
    color:#1f2937;
}

.thankyou-text{
    font-size:22px;
    color:#555;
    margin-bottom:15px;
}

.download-text{
    font-size:18px;
    color:#666;
}
.home-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 30px;
    background: #2d7ff9;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    transition: 0.3s;
}

.home-btn:hover {
    background: #1d5fd0;
    transform: translateY(-2px);
}
/* ===========================
   SUBJECT GALLERY
=========================== */

.subject-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:35px;
    margin-top:50px;
}

.subject-card{

    background:#fff;

    border-radius:20px;

    padding:25px;

    box-shadow:0 15px 40px rgba(0,0,0,.08);

    transition:.35s;

    overflow:hidden;

    cursor:pointer;

}

.subject-card:hover{

    transform:translateY(-10px);

}

.subject-card:hover .worksheet-preview{

    max-height:2500px;

    opacity:1;

    margin-top:20px;

}

.subject-card h3{

    text-align:center;

    margin-bottom:20px;

    font-size:26px;

}

.worksheet-preview{

    display:flex;

    flex-direction:column;

    gap:12px;

    max-height:0;

    overflow:hidden;

    opacity:0;

    transition:all .5s ease;

}

.worksheet-preview img{

    width:100%;

    border-radius:12px;

    transition:.35s;

    box-shadow:0 8px 20px rgba(0,0,0,.15);

}

.subject-card:hover img{

    transform:scale(1.03);

}
/* ===============================
   WORKBOOK FLIP EFFECT
================================ */

.subject-card:hover .page2{

transform:rotate(-5deg) translateX(55px);

transition-delay:.08s;

}

.subject-card:hover .page3{

transform:rotate(-2deg) translateX(80px);

transition-delay:.16s;

}

.subject-card:hover .page4{

transform:rotate(2deg) translateX(105px);

transition-delay:.24s;

}

.subject-card:hover .page5{

transform:rotate(5deg) translateX(130px);

transition-delay:.32s;

}

.subject-card:hover .page6{

transform:rotate(8deg) translateX(155px);

transition-delay:.40s;

}

.preview-frame{

    width:220px;
    height:310px;
    margin:20px auto;

    overflow:hidden;

    border-radius:12px;

    box-shadow:0 12px 25px rgba(0,0,0,.15);

}

.preview-frame img{

    width:100%;
    height:100%;

    object-fit:cover;

    transition:opacity .25s ease;

}

.english-card{

    cursor:pointer;

}
/* ==========================
   WHY CHOOSE US
========================== */

.why-us{
    padding:80px 8%;
    background:#f8fbff;
}

.why-us h2{
    text-align:center;
    font-size:42px;
    margin-bottom:60px;
}

.why-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:30px;
}

.why-card{
    background:#ffffff;
    padding:35px;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transition:.3s;
}

.why-card:hover{
    transform:translateY(-8px);
}

.why-card h3{
    font-size:26px;
    margin-bottom:18px;
}

.why-card p{
    font-size:18px;
    line-height:1.7;
    color:#555;
}
.no-underline{
    text-decoration: none;
    color: inherit;
}
/* ===========================
   SUBJECT PAGE
=========================== */

.subject-page{

    max-width:1200px;
    margin:60px auto;
    padding:20px;

}

.back-button{

    display:inline-block;
    margin-bottom:40px;
    padding:12px 22px;
    background:#0d6efd;
    color:#fff;
    text-decoration:none;
    border-radius:10px;
    font-weight:600;
    transition:.3s;

}

.back-button:hover{

    background:#084fc7;

}

.subject-container{

    display:flex;
    gap:60px;
    align-items:flex-start;

}

.subject-image img{

    width:420px;
    border-radius:18px;
    box-shadow:0 20px 45px rgba(0,0,0,.15);

}

.subject-details{

    flex:1;

}

.subject-details h1{

    font-size:46px;
    margin-bottom:20px;

}

.subject-description{

    font-size:20px;
    color:#555;
    line-height:1.8;
    margin-bottom:35px;

}

.subject-details h2{

    margin-bottom:20px;

}

.feature-list{

    list-style:none;
    padding:0;
    margin-bottom:40px;

}

.feature-list li{

    margin-bottom:15px;
    font-size:19px;

}

.price-box{

    background:#fff;
    padding:30px;
    border-radius:18px;
    box-shadow:0 12px 30px rgba(0,0,0,.08);
    max-width:350px;

}

.price-box h3{

    font-size:42px;
    color:#ff7b00;
    margin-bottom:10px;

}

.price-box p{

    color:#666;
    margin-bottom:25px;

}

.buy-now-btn{

    width:100%;
    padding:18px;
    border:none;
    border-radius:12px;
    background:#ff9800;
    color:#fff;
    font-size:20px;
    font-weight:700;
    cursor:pointer;
    transition:.3s;

}

.buy-now-btn:hover{

    background:#e68900;
    transform:translateY(-3px);

}

@media(max-width:900px){

.subject-container{

    flex-direction:column;
    align-items:center;

}

.english-cover{

    width:120px;
    border-radius:18px;
    display:block;
    margin:auto;
    box-shadow:0 18px 35px rgba(0,0,0,.18);

}

.thumbnail-grid{

    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:12px;
    margin-top:25px;

}

.thumbnail-grid img{

    width:100%;
    border-radius:10px;
    cursor:pointer;
    transition:.3s;
    box-shadow:0 6px 15px rgba(0,0,0,.15);

}

.thumbnail-grid img:hover{

    transform:scale(1.08);

}

.subject-details{

    text-align:center;

}

.price-box{

    margin:auto;

}

}

/* ==========================================
   ENGLISH PRODUCT PAGE
========================================== */

.english-page{

    max-width:1300px;
    margin:50px auto;
    padding:20px;

}

.back-home{

    text-decoration:none;
    color:#0d6efd;
    font-weight:bold;
    font-size:18px;

}

.page-title{

    text-align:center;
    font-size:48px;
    margin-top:30px;
    margin-bottom:15px;

}

.page-subtitle{

    text-align:center;
    max-width:800px;
    margin:auto;
    color:#666;
    line-height:1.8;
    font-size:20px;

}

.english-main{

    display:grid;

    grid-template-columns:40% 60%;

    gap:60px;

    margin-top:60px;

}

.english-left{

    text-align:center;

}

.english-cover{

    width:320px;

    border-radius:18px;

    box-shadow:0 20px 45px rgba(0,0,0,.15);

}

.sample-heading{

    margin-top:35px;

    font-size:24px;

    font-weight:700;

}

.sample-grid{

    display:grid;

    grid-template-columns:repeat(3,90px);

    justify-content:center;

    gap:15px;

    margin-top:25px;

}

.sample-grid img{

    width:90px;

    height:120px;

    object-fit:cover;

    border-radius:10px;

    cursor:pointer;

    transition:.3s;

    box-shadow:0 8px 20px rgba(0,0,0,.12);

}

.sample-grid img:hover{

    transform:scale(1.12);

}

.english-right h2{

    font-size:34px;

    margin-bottom:30px;

}

.english-right ul{

    list-style:none;

    padding:0;

}

.english-right li{

    font-size:21px;

    margin-bottom:18px;

}

.english-price{

    margin-top:45px;

    background:#fff;

    padding:35px;

    border-radius:18px;

    box-shadow:0 15px 35px rgba(0,0,0,.08);

    width:340px;

}

.english-price h3{

    font-size:52px;

    color:#ff7b00;

}

.buy-btn{

    width:100%;

    margin-top:20px;

    padding:18px;

    border:none;

    border-radius:12px;

    background:#ff9800;

    color:white;

    font-size:22px;

    font-weight:700;

    cursor:pointer;

}

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

.faq-section{

padding:80px 20px;

background:#ffffff;

}

.faq-container{

max-width:1000px;

margin:auto;

}

.faq-container h2{

font-size:42px;

text-align:center;

margin-bottom:15px;

color:#17285d;

}

.faq-subtitle{

text-align:center;

font-size:18px;

color:#666;

margin-bottom:45px;

line-height:1.6;

}

.faq-container details{

background:#f9fbff;

margin-bottom:18px;

padding:20px;

border-radius:12px;

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

transition:.3s;

}

.faq-container details:hover{

transform:translateY(-2px);

}

.faq-container summary{

font-size:20px;

font-weight:600;

cursor:pointer;

}

.faq-container p{

margin-top:15px;

font-size:17px;

line-height:1.7;

color:#555;

}

/* ======================
      CONTACT SECTION
====================== */

.contact-section{

    padding:90px 20px;

    background:#eef5ff;

}

.contact-container{

    max-width:1200px;

    margin:auto;

    text-align:center;

}

.contact-container h2{

    font-size:42px;

    color:#17285d;

    margin-bottom:15px;

}

.contact-subtitle{

    font-size:18px;

    color:#666;

    margin-bottom:50px;

}

.contact-cards{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:30px;

}

.contact-card{

    background:#fff;

    padding:35px;

    border-radius:18px;

    box-shadow:0 10px 25px rgba(0,0,0,.08);

    transition:.3s;

}

.contact-card:hover{

    transform:translateY(-8px);

}

.contact-card .icon{

    font-size:50px;

    margin-bottom:20px;

}

.contact-card h3{

    font-size:28px;

    margin-bottom:15px;

}

.contact-card p{

    font-size:17px;

    color:#666;

    line-height:1.6;

    margin-bottom:25px;

}

.contact-btn{

    display:inline-block;

    background:#2D74D7;

    color:#fff;

    text-decoration:none;

    padding:14px 28px;

    border-radius:10px;

    font-weight:700;

    transition:.3s;

}

.contact-btn:hover{

    background:#1f5bb8;

}

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

.site-footer{

    background:#17285d;

    color:#fff;

    margin-top:80px;

    padding:60px 0 25px;

}

.footer-container{

    max-width:1300px;

    margin:auto;

    display:grid;

    grid-template-columns:2fr 1fr 1fr;

    gap:60px;

    padding:0 30px;

}

.footer-left h3{

    font-size:32px;

    margin-bottom:20px;

}

.footer-left p{

    color:#d7d7d7;

    line-height:1.8;

    font-size:17px;

}

.footer-middle h4,
.footer-right h4{

    margin-bottom:20px;

    font-size:24px;

}

.footer-middle ul{

    list-style:none;

    padding:0;

}

.footer-middle li{

    margin-bottom:14px;

}

.footer-middle a,
.footer-right a{

    color:white;

    text-decoration:none;

    transition:.3s;

}

.footer-middle a:hover,
.footer-right a:hover{

    color:#4da6ff;

}

.footer-right p{

    margin-bottom:14px;

    color:#d7d7d7;

}

.site-footer hr{

    border:none;

    border-top:1px solid rgba(255,255,255,.15);

    margin:40px 0 20px;

}

.footer-bottom{

    text-align:center;

    color:#bbb;

    font-size:15px;

}


.hero-buttons{
    display:flex;
    gap:24px;
    margin-top:45px;
}

.hero-btn{
    width:500px;
    height:72px;

    display:flex;
    justify-content:center;
    align-items:center;

    border-radius:14px;

    text-decoration:none;

    font-size:24px;
    font-weight:700;

    color:#fff;

    transition:.3s;

    box-shadow:0 10px 25px rgba(0,0,0,.15);
}

.hero-btn-blue{
    background:#2E7BD6;
}

.hero-btn-blue:hover{
    background:#2469ba;
    transform:translateY(-3px);
}

.hero-btn-orange{
    background:#FF9800;
}

.hero-btn-orange:hover{
    background:#F57C00;
    transform:translateY(-3px);
}

.buy{

    display:inline-flex;

    justify-content:center;

    align-items:center;

    text-align:center;  

    padding:0;

    width:340px;

    height:78px;

    background:#FF9800;

    color:#fff;

    border-radius:14px;

    text-decoration:none;

    font-size:24px;

    font-weight:700;

    white-space:nowrap;

    box-shadow:0 10px 25px rgba(255,152,0,.30);

    transition:.3s;

}

.buy:hover{

    background:#f57c00;

    transform:translateY(-3px);

}