:root{
  --navy:#0b2a55;--navy2:#123e73;--blue:#087dbd;--blue2:#0aa1d6;
  --pink:#d51f78;--pink2:#ed3f9c;--yellow:#f8cf37;--ink:#102d56;
  --muted:#607595;--line:#dfe8f3;--bg:#f6f9fd;--white:#fff;
  --shadow:0 22px 70px rgba(16,45,86,.12);--radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"DM Sans",sans-serif;background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.topline{background:linear-gradient(100deg,#cf176d,#9f3cbf 48%,#147dc1);color:#fff;font-size:13px;font-weight:700}.topinner{display:flex;justify-content:space-between;padding:9px 0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(12,42,85,.08)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;font-weight:800;color:var(--pink);font-size:18px}.brand img{width:58px;height:58px;object-fit:contain}.nav nav{display:flex;align-items:center;gap:28px;font-weight:700;font-size:14px}.nav nav>a:not(.btn):hover{color:var(--pink)}.nav-cta{margin-left:5px}
.nav-toggle{display:none;border:0;background:none;font-size:26px;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:15px;padding:14px 21px;font-weight:800;cursor:pointer;transition:.25s ease;min-height:48px}.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(13,125,189,.18)}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--pink),#be1970 55%,#8f3dbd);box-shadow:0 12px 26px rgba(213,31,120,.23)}.btn-secondary{background:#fff;border:1px solid #d8e4f1;color:var(--ink)}.btn-blue{color:#fff;background:linear-gradient(135deg,#087fbd,#0b4e8c)}.btn-yellow{background:linear-gradient(135deg,#ffd94e,#f5bc24);color:#142f58}.btn-block{width:100%}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 15%,rgba(216,31,120,.10),transparent 25%),radial-gradient(circle at 15% 55%,rgba(10,161,214,.12),transparent 30%),linear-gradient(120deg,#fff 0%,#fff7fb 45%,#f2f9ff 100%);padding:78px 0 56px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(.1px);pointer-events:none}.hero:before{width:330px;height:330px;right:-100px;top:-130px;background:rgba(11,157,209,.10)}.hero:after{width:250px;height:250px;left:-120px;bottom:-120px;background:rgba(213,31,120,.08)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid #f2b7d5;background:#fff;border-radius:999px;padding:7px 13px;font-size:12px;font-weight:800;color:var(--pink);box-shadow:0 10px 25px rgba(16,45,86,.06)}
h1,h2,h3,h4{font-family:"Manrope",sans-serif;line-height:1.04;margin:0 0 18px}h1{font-size:clamp(44px,5.4vw,76px);letter-spacing:-3px}h1 .pink{color:var(--pink)}h1 .blue{color:var(--blue)}h1 .yellow{color:#e5ae16}.lead{font-size:19px;color:#5e7290;max-width:690px;margin:0 0 25px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.chip{background:#fff;border:1px solid #e2eaf3;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800;box-shadow:0 8px 20px rgba(16,45,86,.05)}
.hero-card{position:relative;min-height:470px;display:flex;align-items:center;justify-content:center}.screen{width:min(530px,100%);border-radius:34px;padding:18px;background:linear-gradient(145deg,#0d3f73,#0b2a55 54%,#ca2176);box-shadow:0 35px 90px rgba(11,42,85,.24);transform:rotate(1.5deg);animation:float 5s ease-in-out infinite}.screen-inner{border-radius:24px;background:#f8fbff;min-height:380px;padding:24px;position:relative;overflow:hidden}.screenbar{display:flex;justify-content:space-between;align-items:center;color:#fff;background:#0d3e72;padding:12px 15px;border-radius:16px;margin:-2px -2px 22px}.live{font-weight:800;font-size:12px}.live:before{content:"";display:inline-block;width:8px;height:8px;background:#27db9a;border-radius:50%;margin-right:7px}.lesson{font-size:30px;font-weight:800}.lesson span{color:var(--pink)}.equation{margin:22px 0;padding:18px;border-radius:18px;background:#fff;border:1px solid #dfe9f4;font-size:24px;font-weight:800;color:#0d4b82}.minirow{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mini{padding:14px;border-radius:15px;background:#fff;border:1px solid #e4ebf3;font-size:12px;font-weight:800}.floatpill{position:absolute;background:#fff;padding:11px 14px;border-radius:14px;box-shadow:0 18px 40px rgba(16,45,86,.16);font-size:12px;font-weight:800}.p1{top:35px;left:0}.p2{right:-8px;top:42%}.p3{bottom:18px;left:10%}@keyframes float{0%,100%{transform:translateY(0) rotate(1.5deg)}50%{transform:translateY(-10px) rotate(-.5deg)}}
.trustbar{background:var(--navy);color:#fff;padding:18px 0}.trust{display:flex;justify-content:space-between;align-items:center;gap:20px}.logos{display:flex;gap:27px;align-items:center;font-size:20px;font-weight:900}
.section{padding:92px 0}.section.alt{background:#f3f7fc}.section-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:end;margin-bottom:42px}.kicker{color:var(--pink);font-size:12px;letter-spacing:2px;font-weight:900;text-transform:uppercase}.section h2{font-size:clamp(36px,4.3vw,58px);letter-spacing:-2px}.section-copy{font-size:17px;color:var(--muted);max-width:640px}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:27px;box-shadow:0 12px 35px rgba(16,45,86,.05);transition:.25s}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#f1c4dd}.icon{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;font-size:23px;background:linear-gradient(135deg,#fff0f7,#e8f7ff);margin-bottom:20px}.card h3{font-size:21px}.card p{color:var(--muted);margin:0}
.faculty-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faculty{display:flex;gap:18px;align-items:center;padding:22px;background:#fff;border:1px solid var(--line);border-radius:22px}.badge{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#0b4e88,#0c86bd);font-weight:900}.faculty h3{font-size:18px;margin-bottom:5px}.faculty p{margin:0;color:var(--muted);font-size:14px}
.subjects{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.subject{padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px;font-weight:800}.subject span{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:6px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{background:#fff;border-radius:24px;border:1px solid var(--line);padding:25px}.num{color:var(--pink);font-weight:900;font-size:13px}.step h3{font-size:20px;margin-top:12px}.step p{color:var(--muted)}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}.price-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;position:relative;box-shadow:0 14px 45px rgba(16,45,86,.06);display:flex;flex-direction:column}.price-card.featured{border:2px solid var(--pink);box-shadow:0 22px 60px rgba(213,31,120,.14);transform:translateY(-7px)}.ribbon{position:absolute;right:18px;top:18px;background:var(--pink);color:#fff;padding:7px 10px;border-radius:999px;font-size:10px;font-weight:900}.price{font-family:"Manrope";font-size:43px;font-weight:900;margin:12px 0}.price small{font-family:"DM Sans";font-size:14px;color:var(--muted);font-weight:700}.price-card p{color:var(--muted)}.ticks{padding:0;margin:17px 0 24px;list-style:none}.ticks li{margin:10px 0}.ticks li:before{content:"✓";color:#16a66d;font-weight:900;margin-right:8px}.price-card .btn{margin-top:auto}
.demo-banner{background:linear-gradient(120deg,#c81978,#a333bd 52%,#127dbd);color:#fff;border-radius:32px;padding:44px;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;box-shadow:0 28px 80px rgba(125,39,147,.25)}.demo-banner h2{font-size:clamp(34px,4vw,55px)}.demo-banner p{margin:0;max-width:720px;color:rgba(255,255,255,.86)}
.faq{max-width:900px;margin:auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;margin:12px 0;padding:18px 20px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted);margin-bottom:0}
.footer{background:#0a2548;color:#dbe8f7;padding:65px 0 22px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footerbrand{color:#fff}.footer a{display:block;margin:9px 0;color:#dbe8f7}.footer p{max-width:440px;color:#9fb4d0}.footer h4{color:#fff}.footbottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;margin-top:38px;display:flex;justify-content:space-between;color:#8fa8c7;font-size:13px}
.floating-wa,.to-top{position:fixed;right:22px;z-index:70;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;border:0;cursor:pointer;box-shadow:0 14px 30px rgba(16,45,86,.2)}.floating-wa{bottom:88px;background:#19cf7b;color:#fff;font-size:25px}.to-top{bottom:22px;background:#fff;color:var(--navy);font-size:24px}
.modal{position:fixed;inset:0;background:rgba(4,19,40,.68);backdrop-filter:blur(8px);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}.modal.show{display:flex}.modalbox{width:min(700px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:30px;padding:30px;box-shadow:0 35px 100px rgba(0,0,0,.25)}.modalhead{display:flex;justify-content:space-between;gap:20px}.close{border:0;background:#eef3f8;width:40px;height:40px;border-radius:50%;font-size:20px;cursor:pointer}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:14px 15px;border-radius:14px;border:1px solid #d7e2ef;background:#fbfdff;font:inherit;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#ca287a;box-shadow:0 0 0 4px rgba(202,40,122,.08)}.field.full{grid-column:1/-1}.summary{padding:15px 17px;border-radius:16px;background:#f5f8fc;border:1px solid #e0e8f1;margin:18px 0}.error{display:none;color:#c61b69;background:#fff0f6;border:1px solid #f3c0da;padding:11px 13px;border-radius:13px;font-size:13px;margin:12px 0}.error.show{display:block}.successbox{text-align:center;padding:25px}.successicon{font-size:55px}.loader{display:none}.busy .loader{display:inline-block}.busy .btntext{display:none}
@media(max-width:980px){.nav nav{gap:16px}.hero-grid{grid-template-columns:1fr}.hero-card{max-width:650px;margin:auto}.cards4{grid-template-columns:1fr 1fr}.subjects{grid-template-columns:1fr 1fr}.pricing{grid-template-columns:1fr 1fr}.section-head{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.topinner{flex-direction:column;gap:3px}.nav{height:68px}.brand img{width:50px;height:50px}.nav-toggle{display:block}.nav nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--line);box-shadow:0 15px 30px rgba(16,45,86,.1);flex-direction:column;align-items:stretch}.nav nav.open{display:flex}.nav nav a{padding:10px}.nav-cta{text-align:center}.hero{padding:50px 0 40px}h1{font-size:45px;letter-spacing:-2px}.lead{font-size:17px}.hero-card{min-height:400px}.screen{min-height:0}.floatpill{display:none}.trust{flex-direction:column;align-items:flex-start}.logos{gap:15px;flex-wrap:wrap;font-size:16px}.section{padding:65px 0}.cards4,.faculty-grid,.subjects,.steps,.pricing{grid-template-columns:1fr}.pricing .featured{transform:none}.demo-banner{grid-template-columns:1fr;padding:30px}.footergrid{grid-template-columns:1fr 1fr}.footbottom{flex-direction:column;gap:5px}.formgrid{grid-template-columns:1fr}.field.full{grid-column:auto}.modalbox{padding:22px}.floating-wa{right:16px}.to-top{right:16px}}

/* Premium visual refinement — content and functionality preserved */
.hero{isolation:isolate}
.hero-grid{gap:64px}
.hero:before{box-shadow:0 0 100px rgba(10,161,214,.08)}
.hero:after{box-shadow:0 0 90px rgba(213,31,120,.08)}
.hero h1{max-width:760px;text-wrap:balance}
.hero h1 .pink,.hero h1 .blue,.hero h1 .yellow{position:relative;display:inline-block}
.hero h1 .pink:after,.hero h1 .blue:after,.hero h1 .yellow:after{content:"";position:absolute;left:3px;right:3px;bottom:-3px;height:6px;border-radius:99px;background:currentColor;opacity:.12;transform:rotate(-1deg)}
.hero-actions .btn{position:relative;overflow:hidden}
.hero-actions .btn-primary:before,.demo-banner .btn-yellow:before,.nav-cta:before{content:"";position:absolute;inset:0;transform:translateX(-120%);background:linear-gradient(100deg,transparent,rgba(255,255,255,.34),transparent);transition:transform .7s ease}
.hero-actions .btn-primary:hover:before,.demo-banner .btn-yellow:hover:before,.nav-cta:hover:before{transform:translateX(120%)}
.section-head>div:first-child{position:relative}
.section-head>div:first-child:before{content:"";position:absolute;left:-16px;top:5px;width:4px;height:42px;border-radius:8px;background:linear-gradient(180deg,var(--pink),var(--blue));opacity:.8}
.section h2{max-width:820px;text-wrap:balance}
.section h2 span[style*="var(--pink)"],.section h2 span[style*="var(--blue)"]{background:linear-gradient(90deg,currentColor,currentColor);-webkit-background-clip:text;background-clip:text}
.kicker{display:inline-flex;align-items:center;gap:8px}
.kicker:before{content:"";width:24px;height:2px;border-radius:4px;background:currentColor;opacity:.45}
.card,.faculty,.subject,.step,.price-card,.faq details{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.price-card .btn{min-height:52px}
.demo-banner{position:relative;overflow:hidden}
.demo-banner:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-100px;top:-130px;background:rgba(255,255,255,.09);pointer-events:none}
.modal{animation:none}
.modalbox{border:1px solid rgba(255,255,255,.5);position:relative}
.modalbox:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;border-radius:30px 30px 0 0;background:linear-gradient(90deg,var(--pink),#9f3cbf,var(--blue))}
.modalhead h2{font-size:clamp(30px,4vw,48px);letter-spacing:-1.5px}
.close{transition:.2s ease}
.close:hover{transform:rotate(90deg);background:#ffeaf4;color:var(--pink)}
#checkoutBtn{position:relative;overflow:hidden}
#checkoutBtn:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent,rgba(255,255,255,.25),transparent);transform:translateX(-120%);transition:transform .65s ease}
#checkoutBtn:hover:after{transform:translateX(120%)}
@media(max-width:760px){
  .section-head>div:first-child:before{left:-9px;height:34px}
  .hero-grid{gap:34px}
}