*{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#155eef;--dark:#102a56;--text:#172033;--muted:#667085;--light:#f7f9fc;--border:#e4e7ec;--green:#16a34a}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{height:72px;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:100}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:flex;align-items:center;gap:9px;color:var(--dark)}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--primary);color:white;display:grid;place-items:center;font-size:22px;font-weight:800}
.logo strong{display:block;font-size:20px;line-height:18px}
.logo small{display:block;font-size:9px;letter-spacing:3px;color:var(--primary);font-weight:bold}
.desktop-nav{display:flex;gap:28px;font-size:14px;font-weight:600}
.desktop-nav a:hover,.view-link{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.login-btn{font-weight:600;padding:9px 16px}
.register-btn,.primary-btn{background:var(--primary);color:#fff;padding:11px 20px;border-radius:8px;font-weight:700}
.mobile-menu{display:none;border:0;background:none;font-size:26px}
.hero{background:linear-gradient(135deg,#f1f6ff,#fff 60%);padding:70px 0 65px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.badge,.eyebrow{color:var(--primary);font-size:12px;font-weight:800;letter-spacing:1px}
.badge{display:inline-block;background:#e9f1ff;padding:7px 12px;border-radius:30px;margin-bottom:18px}
.hero h1{font-size:52px;line-height:1.1;letter-spacing:-2px;color:var(--dark)}
.hero h1 span{color:var(--primary)}
.hero p{font-size:18px;color:var(--muted);max-width:600px;margin:20px 0 28px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.secondary-btn{border:1px solid #cbd5e1;padding:11px 20px;border-radius:8px;font-weight:700;background:#fff}
.hero-trust{display:flex;gap:30px;margin-top:38px}
.hero-trust strong{display:block;font-size:21px;color:var(--dark)}
.hero-trust span{font-size:12px;color:var(--muted)}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:25px;box-shadow:0 20px 50px #183b7415}
.hero-card-top{display:flex;justify-content:space-between;font-size:13px;font-weight:700}
.live-dot{color:#16a34a}
.study-illustration{height:210px;background:#eef4ff;border-radius:15px;margin:18px 0;display:flex;align-items:center;justify-content:center;gap:25px;font-size:60px}
.check{background:#dcfce7;color:var(--green);padding:10px;border-radius:50%;font-size:25px}
.hero-card h3{font-size:20px;color:var(--dark)}
.feature-row{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-top:10px}
.stats-strip{background:var(--dark);color:#fff;padding:25px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats-grid strong{display:block;font-size:24px}
.stats-grid span{font-size:12px;opacity:.75}
.section{padding:75px 0}
.light-section{background:var(--light)}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
.section-heading h2,.center-heading h2{font-size:32px;color:var(--dark);line-height:1.2;margin:6px 0}
.section-heading p,.center-heading p{color:var(--muted)}
.view-link{font-weight:700;font-size:14px}
.exam-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.exam-card{background:#fff;border:1px solid var(--border);padding:22px;border-radius:12px;transition:.2s}
.exam-card:hover,.course-card:hover,.test-card:hover,.why-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #17203312}
.exam-card span{font-size:27px;display:block;margin-bottom:12px}
.exam-card strong{display:block;color:var(--dark)}
.exam-card small{color:var(--muted);font-size:12px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.course-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:.2s}
.course-image{height:155px;display:grid;place-items:center;color:#fff;font-size:27px;font-weight:800}
.blue{background:linear-gradient(135deg,#155eef,#4f8cff)}
.purple{background:linear-gradient(135deg,#6941c6,#9e77ed)}
.green{background:linear-gradient(135deg,#079455,#32d583)}
.course-body{padding:20px}
.tag,.test-card>div>span,.material-card span{font-size:11px;color:var(--primary);font-weight:800}
.course-body h3{font-size:18px;margin:7px 0}
.course-body p,.test-card p,.material-card p{font-size:13px;color:var(--muted)}
.course-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:18px}
.course-bottom strong,.material-card strong{font-size:20px}
.course-bottom a,.test-card a{color:var(--primary);font-weight:700;font-size:13px}
.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.test-card{display:flex;gap:17px;border:1px solid var(--border);padding:22px;border-radius:14px;transition:.2s}
.test-icon{width:50px;height:50px;background:#eef4ff;border-radius:12px;display:grid;place-items:center;font-size:24px;flex-shrink:0}
.test-card h3{font-size:17px;margin:5px 0}
.test-card a{display:block;margin-top:12px}
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.material-card{background:#fff;border:1px solid var(--border);padding:20px;border-radius:14px;display:flex;align-items:center;gap:15px}
.material-card .pdf-icon{background:#fee4e2;color:#b42318;font-weight:800;font-size:11px;padding:10px 7px;border-radius:7px}
.material-card div:nth-child(2){flex:1}
.material-card h3{font-size:15px;margin:4px 0}
.material-card a{color:var(--primary);font-size:13px;font-weight:700}
.center-heading{text-align:center;max-width:700px;margin:0 auto 35px}
.why-section{background:#fff}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{border:1px solid var(--border);padding:25px;border-radius:14px;transition:.2s}
.why-card span{font-size:28px}
.why-card h3{margin:12px 0 5px;font-size:17px}
.why-card p{font-size:13px;color:var(--muted)}
.app-section{padding:50px 0}
.app-box{background:linear-gradient(135deg,#102a56,#155eef);color:#fff;border-radius:22px;padding:45px 55px;display:flex;justify-content:space-between;align-items:center}
.app-box h2{font-size:32px;margin:8px 0}
.app-box p{opacity:.85;max-width:600px}
.store-buttons{display:flex;gap:10px;margin-top:22px}
.store-buttons a{border:1px solid #ffffff50;border-radius:8px;padding:9px 15px;font-size:13px}
.phone{font-size:110px}
.updates{border:1px solid var(--border);border-radius:14px;overflow:hidden}
.updates a{display:flex;align-items:center;gap:20px;padding:18px 22px;border-bottom:1px solid var(--border)}
.updates a:last-child{border-bottom:0}
.date{background:#eef4ff;color:var(--primary);font-weight:800;text-align:center;padding:8px 13px;border-radius:8px;line-height:18px}
.date small{font-size:9px}
.updates div{flex:1}
.updates strong{font-size:15px}
.updates p{font-size:12px;color:var(--muted)}
.updates b{color:var(--primary)}
.faq-section{background:var(--light)}
.faq-wrap{max-width:850px}
details{background:#fff;border:1px solid var(--border);border-radius:10px;margin-bottom:10px;padding:17px 20px}
summary{font-weight:700;cursor:pointer}
details p{color:var(--muted);font-size:14px;padding-top:12px}
.final-cta{background:#eef4ff;text-align:center;padding:65px 20px}
.final-cta h2{font-size:34px;color:var(--dark)}
.final-cta p{color:var(--muted);margin:8px 0 25px}
.footer{background:#0b1f3a;color:#fff;padding:55px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:45px;padding-bottom:45px}
.footer-logo{color:#fff}
.footer p{color:#b8c2d1;font-size:13px;max-width:320px;margin-top:15px}
.footer h4{margin-bottom:15px}
.footer-grid>div:not(:first-child) a{display:block;color:#b8c2d1;font-size:13px;margin:8px 0}
.copyright{border-top:1px solid #ffffff15;padding:18px 0;color:#8f9bad;font-size:12px}
@media(max-width:900px){
 .desktop-nav{display:none}.mobile-menu{display:block}.nav-actions{margin-left:auto}
 .hero-grid{grid-template-columns:1fr;gap:35px}.hero h1{font-size:44px}
 .exam-grid{grid-template-columns:repeat(2,1fr)}.course-grid,.test-grid,.material-grid{grid-template-columns:1fr 1fr}
 .why-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
 .container{width:min(100% - 28px,1180px)}.site-header{height:62px}
 .nav-actions{display:none}.hero{padding:45px 0}.hero h1{font-size:37px}.hero p{font-size:16px}
 .hero-trust{gap:14px;justify-content:space-between}.hero-trust strong{font-size:17px}
 .stats-grid{grid-template-columns:1fr 1fr;gap:20px}.section{padding:55px 0}
 .section-heading{align-items:start;flex-direction:column}.section-heading h2,.center-heading h2{font-size:27px}
 .exam-grid{grid-template-columns:repeat(2,1fr);gap:10px}.exam-card{padding:17px}
 .course-grid,.test-grid,.material-grid,.why-grid{grid-template-columns:1fr}
 .material-card{align-items:flex-start}.app-box{padding:30px 25px;display:block}.phone{display:none}
 .app-box h2{font-size:27px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:420px){
 .logo strong{font-size:17px}.hero h1{font-size:33px}.hero-trust{display:grid;grid-template-columns:1fr 1fr}
 .hero-card{padding:17px}.study-illustration{height:160px;font-size:45px}
 .footer-grid{grid-template-columns:1fr}
}