*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Arial,Helvetica,sans-serif;color:#25223a;background:#fff;line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:auto}
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid #eeeaf7}.nav-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:#5b43c6}.brand-icon{width:38px;height:38px;display:grid;place-items:center;background:#f0ebff;border-radius:12px}.nav-links{display:flex;gap:28px;color:#67627b;font-size:15px}.nav-links a:hover{color:#5b43c6}.nav-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;transition:.2s}.btn-primary{background:#684fd1;color:#fff;box-shadow:0 8px 20px rgba(104,79,209,.18)}.btn-primary:hover{transform:translateY(-2px)}.btn-outline{border:1px solid #d9d3ec;color:#5b43c6;background:#fff}.btn-light{background:#fff;color:#51486d;border:1px solid #e5e0f0}.btn-white{background:#fff;color:#5b43c6}.btn-large{padding:14px 22px}
.hero{background:linear-gradient(135deg,#f8f5ff,#f5f9ff);padding:78px 0 70px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px}.eyebrow{display:inline-block;margin-bottom:12px;color:#684fd1;font-size:12px;font-weight:800;letter-spacing:1.4px}.hero h1{font-size:clamp(45px,6vw,70px);line-height:1.05;letter-spacing:-2.5px;margin-bottom:22px}.hero h1 span{color:#684fd1}.hero-content>p{max-width:600px;color:#68647a;font-size:18px;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-stats{display:flex;gap:26px;margin-top:35px;flex-wrap:wrap}.hero-stats div{display:flex;align-items:center;gap:8px;color:#68647a;font-size:13px}.hero-stats strong{font-size:20px}.hero-card{min-height:390px;position:relative;display:grid;place-items:center}.book-illustration{position:relative;width:300px;height:280px}.book{position:absolute;width:210px;height:260px;left:45px;top:10px;border-radius:12px 20px 20px 12px;transform:rotate(-5deg)}.book-back{background:#dcd4f5;transform:rotate(8deg);left:62px;top:5px}.book-main{background:#684fd1;color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;box-shadow:0 25px 50px rgba(78,61,145,.2)}.book-main span{font-size:55px}.book-main strong{font-size:20px}.book-main small{opacity:.85}.floating-card{position:absolute;background:#fff;border:1px solid #ece8f5;box-shadow:0 14px 35px rgba(45,36,78,.1);padding:13px 17px;border-radius:12px;font-weight:700;font-size:13px}.card-top{top:15px;right:0}.card-bottom{bottom:10px;left:0}
.section{padding:85px 0}.section-heading{max-width:650px;margin:0 auto 42px;text-align:center}.section-heading h2,.about-grid h2,.practice-box h2{font-size:clamp(30px,4vw,43px);line-height:1.15;margin-bottom:12px}.section-heading p,.about-grid p,.practice-box p{color:#716c81}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{padding:30px;border:1px solid #ebe7f4;border-radius:18px;background:#fff;box-shadow:0 8px 30px rgba(43,35,76,.04)}.feature-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:14px;background:#f1edff;font-size:25px;margin-bottom:18px}.feature-card h3,.subject-card h3{margin-bottom:8px;font-size:19px}.feature-card p,.subject-card p{color:#777285;font-size:14px}.subjects-section{background:#faf9fd}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.subject-card{background:#fff;border:1px solid #ece8f5;border-radius:17px;padding:25px;transition:.2s}.subject-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(50,42,80,.08)}.subject-card>span{display:block;font-size:34px;margin-bottom:16px}.practice-section{padding:25px 0 80px}.practice-box{padding:48px;border-radius:24px;background:linear-gradient(135deg,#684fd1,#8068df);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.practice-box .eyebrow{color:#e9e4ff}.practice-box p{color:#eeeaff}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.about-grid p{font-size:17px}.footer{background:#211d32;color:#fff;padding:45px 0 20px}.footer-brand{color:#fff}.footer-inner{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px}.footer-inner p{color:#aaa5b7;margin-top:8px;font-size:14px}.footer-links{display:flex;gap:22px;color:#c8c3d1;font-size:14px}.footer-links a:hover{color:#fff}.copyright{padding-top:20px;border-top:1px solid #393449;color:#938d9f;font-size:13px}
@media(max-width:900px){.nav-links{display:none}.hero-grid{grid-template-columns:1fr}.hero-content{text-align:center}.hero-content>p{margin-left:auto;margin-right:auto}.hero-actions,.hero-stats{justify-content:center}.feature-grid{grid-template-columns:1fr}.subject-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr;gap:25px}.practice-box{flex-direction:column;align-items:flex-start}}
@media(max-width:600px){.container{width:min(100% - 28px,1120px)}.nav-inner{min-height:68px}.nav-actions .btn-outline{display:none}.hero{padding:55px 0}.hero h1{letter-spacing:-1.5px}.hero-card{min-height:320px}.book-illustration{transform:scale(.85)}.subject-grid{grid-template-columns:1fr}.practice-box{padding:32px 25px}.footer-inner{flex-direction:column}.footer-links{flex-wrap:wrap}}