:root{
  --primary:#4f46e5;
  --primary-dark:#3730a3;
  --accent:#f97316;
  --teal:#14b8a6;
  --bkash:#e2136e;
  --ink:#0f172a;
  --text:#475569;
  --bg:#ffffff;
  --alt:#f4f5ff;
  --card:#ffffff;
  --chip:#eef2ff;
  --border:#e2e8f0;
  --radius:20px;
  --shadow:0 12px 34px rgba(79,70,229,.14);
}
:root[data-theme="dark"]{
  --ink:#f1f5f9;
  --text:#a3b0c4;
  --bg:#0b1020;
  --alt:#0f1630;
  --card:#141b38;
  --chip:#1c2550;
  --border:#232d57;
  --shadow:0 12px 34px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:'Hind Siliguri',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
img{max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit}
.container{width:min(1160px,100% - 32px);margin-inline:auto}
.narrow{width:min(780px,100% - 32px)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25}
.grad{background:linear-gradient(90deg,var(--primary),var(--teal),var(--accent));background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font:600 1rem 'Hind Siliguri',sans-serif;border:2px solid transparent;cursor:pointer;transition:.25s}
.btn:disabled{opacity:.7;cursor:not-allowed;transform:none!important}
.btn-lg{padding:14px 28px;font-size:1.05rem}
.btn-primary{background:linear-gradient(135deg,var(--primary),#6d5dfc);color:#fff;box-shadow:0 10px 24px rgba(79,70,229,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(79,70,229,.42)}
.btn-ghost{border-color:var(--border);color:var(--ink);background:var(--card)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{filter:brightness(.93);transform:translateY(-2px)}
.btn-block{width:100%}

/* Header */
.header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 22px rgba(15,23,42,.09)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.3rem;color:var(--ink);font-family:'Poppins',sans-serif}
.logo b{color:var(--primary)}
.logo-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--teal));color:#fff;font:700 1rem 'Poppins',sans-serif;box-shadow:0 6px 14px rgba(79,70,229,.35)}
.menu{display:flex;align-items:center;gap:22px;font-weight:500}
.menu a:not(.btn){position:relative;padding:4px 0}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:.25s}
.menu a:not(.btn):hover::after{width:100%}
.menu-cta{padding:9px 20px}
.nav-right{display:flex;align-items:center;gap:6px}
.theme-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:1.1rem;transition:.25s}
.theme-btn:hover{transform:rotate(20deg)}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{position:relative;padding:72px 0 44px;overflow:hidden;background:radial-gradient(900px 420px at 92% -10%,rgba(79,70,229,.16),transparent),radial-gradient(700px 420px at -10% 35%,rgba(20,184,166,.14),transparent)}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;pointer-events:none}
.orb1{width:280px;height:280px;background:#818cf8;top:-60px;right:8%;animation:drift 12s ease-in-out infinite}
.orb2{width:240px;height:240px;background:#2dd4bf;bottom:10%;left:-60px;animation:drift 14s ease-in-out -4s infinite}
.orb3{width:300px;height:300px;background:#f97316;top:-100px;right:-60px;opacity:.28;animation:drift 12s ease-in-out infinite}
@keyframes drift{50%{transform:translate(30px,24px) scale(1.1)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:var(--chip);color:var(--primary);font-weight:600;font-size:.95rem;margin-bottom:18px}
:root[data-theme="dark"] .chip{color:#a5b4fc}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:pulse 1.4s infinite}
.pulse.red{background:#dc2626}
@keyframes pulse{50%{opacity:.3;transform:scale(1.6)}}
.hero h1{font-size:clamp(2rem,4.6vw,3.2rem);margin-bottom:16px}
.hero p{font-size:1.1rem;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.proof{display:flex;align-items:center;gap:14px;font-size:.98rem}
.proof b{color:var(--ink)}
.proof small{color:#94a3b8}
.faces{display:flex}
.faces i{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;margin-left:-10px;border:3px solid var(--bg);font:700 .9rem 'Hind Siliguri',sans-serif;color:#fff;background:linear-gradient(135deg,var(--primary),var(--teal))}
.faces i:first-child{margin-left:0}
.faces i:nth-child(2){background:linear-gradient(135deg,#f97316,#facc15)}
.faces i:nth-child(3){background:linear-gradient(135deg,#ec4899,#8b5cf6)}
.faces i:nth-child(4){background:linear-gradient(135deg,#14b8a6,#3b82f6)}

.hero-visual{position:relative;min-height:380px}
.blob{position:absolute;inset:6% 4%;background:linear-gradient(135deg,var(--primary),var(--teal));border-radius:40% 60% 55% 45%/50% 40% 60% 50%;opacity:.18;animation:morph 9s ease-in-out infinite}
@keyframes morph{50%{border-radius:60% 40% 45% 55%/40% 60% 40% 60%;transform:rotate(8deg)}}
.card-float{position:absolute;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;z-index:1}
.code-card{top:10px;left:0;width:80%;font-family:'Poppins','Hind Siliguri',monospace;font-size:.92rem;color:var(--ink);animation:float 6s ease-in-out infinite}
.stat-card{bottom:6px;right:0;width:54%;animation:float 6s ease-in-out -3s infinite}
.badge-card{top:46%;left:-4px;display:flex;align-items:center;gap:10px;padding:12px 16px;font-size:1.5rem;animation:float 7s ease-in-out -1s infinite}
.badge-card b{display:block;font-size:.95rem;color:var(--ink);line-height:1.2}
.badge-card small{font-size:.8rem;color:var(--text)}
@keyframes float{50%{transform:translateY(-12px)}}
.dots{display:flex;gap:6px;margin-bottom:12px}
.dots i{width:10px;height:10px;border-radius:50%;background:#fca5a5}
.dots i:nth-child(2){background:#fde68a}.dots i:nth-child(3){background:#86efac}
.c1{color:#8b5cf6}.c2{color:#0ea5e9}.c3{color:#ea580c}
.live-pill{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:4px 12px;border-radius:999px;background:#fef2f2;color:#dc2626;font:600 .85rem 'Hind Siliguri',sans-serif}
.stat-card small{display:block;margin-bottom:10px}
.bars{display:flex;align-items:flex-end;gap:8px;height:70px;margin-bottom:8px}
.bars i{flex:1;height:var(--h);background:linear-gradient(var(--teal),var(--primary));border-radius:6px 6px 2px 2px;transform-origin:bottom;animation:grow 1.2s ease both}
.bars i:nth-child(2){animation-delay:.1s}.bars i:nth-child(3){animation-delay:.2s}.bars i:nth-child(4){animation-delay:.3s}.bars i:nth-child(5){animation-delay:.4s}
@keyframes grow{from{transform:scaleY(0)}}
.stat-card strong{color:var(--teal);font-size:1.2rem}

.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:54px;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}
.stats strong{display:block;font:700 1.9rem 'Poppins','Hind Siliguri',sans-serif;color:var(--primary)}
:root[data-theme="dark"] .stats strong{color:#a5b4fc}

/* Marquee */
.marquee{overflow:hidden;background:linear-gradient(90deg,var(--primary),#6d5dfc,var(--teal));color:#fff;padding:14px 0}
.marquee-track{display:flex;gap:44px;width:max-content;animation:scroll 32s linear infinite;font-weight:600;white-space:nowrap}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Sections */
.section{padding:88px 0}
.section.alt{background:var(--alt)}
.section-head{text-align:center;max-width:660px;margin:0 auto 46px}
.eyebrow{display:inline-block;padding:3px 14px;border-radius:999px;background:rgba(249,115,22,.12);color:var(--accent);font-weight:700;margin-bottom:10px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:10px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{position:relative;padding:28px 22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);transition:.3s}
.step:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.num{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--teal));color:#fff;font-weight:700;margin-bottom:14px}
.step h3{font-size:1.15rem;margin-bottom:6px}

/* Courses */
.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:12px}
.filters{display:flex;flex-wrap:wrap;gap:10px}
.filter{padding:8px 20px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text);font:500 .98rem 'Hind Siliguri',sans-serif;cursor:pointer;transition:.25s}
.filter:hover{border-color:var(--primary);color:var(--primary)}
.filter.active{background:var(--primary);border-color:var(--primary);color:#fff}
.search{display:flex;align-items:center;gap:8px;padding:0 16px;border:1px solid var(--border);border-radius:999px;background:var(--card);min-width:240px}
.search input{flex:1;padding:10px 0;border:0;background:none;outline:none;font:1rem 'Hind Siliguri',sans-serif;color:var(--ink)}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.result-count{margin:6px 0 20px;font-size:.95rem}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.course{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
.course:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.thumb{position:relative;height:168px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,var(--c1),var(--c2))}
.thumb::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.35) 0 2px,transparent 3px) 0 0/22px 22px,radial-gradient(circle at 80% 90%,rgba(255,255,255,.35),transparent 55%)}
.thumb .emoji{position:relative;font-size:3.6rem;filter:drop-shadow(0 8px 12px rgba(0,0,0,.25));transition:transform .4s}
.course:hover .emoji{transform:scale(1.18) rotate(-6deg)}
.off{position:absolute;top:12px;right:12px;padding:3px 12px;border-radius:999px;background:#fff;color:#dc2626;font-weight:700;font-size:.85rem}
.level{position:absolute;bottom:12px;left:12px;padding:2px 12px;border-radius:999px;background:rgba(0,0,0,.35);color:#fff;font-size:.82rem;backdrop-filter:blur(4px)}
.badge-live,.badge-rec{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:.8rem;font-weight:700;color:#fff;background:rgba(0,0,0,.4);backdrop-filter:blur(4px)}
.badge-live i{width:7px;height:7px;border-radius:50%;background:#f87171;animation:pulse 1.4s infinite}
.play{position:absolute;right:14px;bottom:14px;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--primary);font-size:1rem;padding-left:3px;box-shadow:0 6px 14px rgba(0,0,0,.25);transition:.3s}
.course:hover .play{transform:scale(1.12)}
.course-body{display:flex;flex-direction:column;flex:1;padding:20px}
.cat-label{display:inline-block;align-self:flex-start;padding:2px 12px;border-radius:999px;background:var(--chip);color:var(--primary);font-size:.8rem;font-weight:600;margin-bottom:10px}
:root[data-theme="dark"] .cat-label{color:#a5b4fc}
.course-body h3{font-size:1.12rem;margin-bottom:10px;min-height:2.6em}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.88rem;margin-bottom:12px}
.rating{display:flex;align-items:center;gap:6px;font-size:.9rem;margin-bottom:12px}
.rating .star{color:#f59e0b}
.rating b{color:var(--ink)}
.teacher{display:flex;align-items:center;gap:10px;padding-top:12px;margin-top:auto;border-top:1px dashed var(--border);font-size:.9rem}
.teacher .t-av{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;font-weight:700;font-size:.8rem}
.rec .lifetime{margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);font-size:.9rem;color:var(--teal);font-weight:600}
.price{display:flex;align-items:baseline;gap:8px;margin:14px 0}
.price b{font:700 1.4rem 'Poppins','Hind Siliguri',sans-serif;color:var(--primary)}
:root[data-theme="dark"] .price b{color:#a5b4fc}
.price s{color:#94a3b8;font-size:.9rem}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.actions .btn{padding:10px 14px;font-size:.96rem}
.empty{text-align:center;padding:40px 0}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature{padding:26px 22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);transition:.3s}
.feature:hover{background:linear-gradient(135deg,var(--primary),#6d5dfc);transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.feature:hover h3,.feature:hover p{color:#fff}
.ico{display:grid;place-items:center;width:54px;height:54px;border-radius:15px;background:var(--alt);font-size:1.5rem;margin-bottom:14px}
.feature h3{font-size:1.1rem;margin-bottom:6px;transition:.3s}
.feature p{font-size:.96rem;transition:.3s}

/* Mentors */
.mentor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.mentor{text-align:center;padding:30px 20px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);transition:.3s}
.mentor:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.m-avatar{display:grid;place-items:center;width:84px;height:84px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--a),var(--b));color:#fff;font-size:2rem;font-weight:700;box-shadow:0 0 0 5px var(--card),0 0 0 7px var(--border)}
.mentor h3{font-size:1.1rem}
.mentor span{display:block;color:var(--primary);font-weight:600;font-size:.92rem;margin:2px 0 6px}
:root[data-theme="dark"] .mentor span{color:#a5b4fc}
.mentor p{font-size:.92rem}

/* Slider */
.slider{max-width:780px;margin:0 auto;overflow:hidden}
.track{display:flex;transition:transform .5s ease}
.slide{flex:0 0 100%;padding:36px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.stars{color:#f59e0b;letter-spacing:3px;margin-bottom:10px}
.slide p{font-size:1.15rem;color:var(--ink);margin-bottom:22px}
.slide footer{display:flex;align-items:center;gap:14px}
.avatar{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--teal));color:#fff;font-weight:700}
.slide small{display:block;color:#94a3b8}
.slider-ctrl{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:22px}
.slider-ctrl>button{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:1.4rem;cursor:pointer;transition:.25s}
.slider-ctrl>button:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.dots-nav{display:flex;gap:8px}
.dots-nav button{width:10px;height:10px;padding:0;border-radius:50%;border:0;background:#cbd5e1;cursor:pointer;transition:.3s}
.dots-nav button.active{width:26px;border-radius:6px;background:var(--primary)}

/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:14px;margin-bottom:12px;background:var(--card);overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;width:100%;padding:18px 22px;background:none;border:0;text-align:left;font:600 1.05rem 'Hind Siliguri',sans-serif;color:var(--ink);cursor:pointer}
.plus{font-size:1.5rem;color:var(--primary);transition:transform .3s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 18px}

/* CTA */
.cta{position:relative;overflow:hidden;padding:84px 0;background:linear-gradient(135deg,var(--primary),#312e81);color:#e0e7ff;text-align:center}
.cta-inner{position:relative}
.cta h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:10px}
.contact-form{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px}
.contact-form input{flex:1 1 200px;max-width:260px;padding:13px 18px;border-radius:999px;border:0;font:1rem 'Hind Siliguri',sans-serif}
.form-msg{min-height:1.5em;margin-top:12px;font-weight:600}
.form-msg.ok{color:#86efac}.form-msg.err{color:#fca5a5}

/* Footer */
.footer{background:#080c1a;color:#94a3b8;padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding-bottom:30px}
.footer h4{color:#fff;margin-bottom:10px}
.footer a,.footer span{display:block;margin-bottom:6px}
.footer a:hover{color:#fff}
.footer .logo.light{display:flex}
.logo.light{color:#fff;margin-bottom:10px}
.logo.light b{color:var(--teal)}
.copy{padding:18px 0;border-top:1px solid #1e293b;font-size:.9rem}

/* Back to top */
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:50%;border:0;background:var(--primary);color:#fff;font-size:1.3rem;cursor:pointer;box-shadow:0 8px 20px rgba(79,70,229,.4);opacity:0;transform:translateY(16px);pointer-events:none;transition:.3s;z-index:60}
.to-top.show{opacity:1;transform:none;pointer-events:auto}

/* Modals */
.modal{position:fixed;inset:0;display:none;place-items:center;background:rgba(8,12,26,.65);backdrop-filter:blur(4px);z-index:100;padding:16px;overflow-y:auto}
.modal.open{display:grid}
.modal-box{position:relative;width:min(760px,100%);margin:auto;background:var(--card);border-radius:var(--radius);overflow:hidden;animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px)}}
.modal-close{position:absolute;top:12px;right:14px;z-index:3;width:36px;height:36px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#0f172a;font-size:1.5rem;line-height:1;cursor:pointer;transition:.2s}
.modal-close:hover{transform:rotate(90deg)}
.m-head{height:130px;display:grid;place-items:center;font-size:3.6rem;background:linear-gradient(135deg,var(--c1,#4f46e5),var(--c2,#14b8a6))}
.m-body{padding:26px 28px 30px}
.m-body h3{font-size:1.5rem;margin:6px 0 10px}
.m-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.92rem;margin-bottom:18px}
.m-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:20px}
.m-cols h4{margin-bottom:10px}
.check li{position:relative;padding-left:26px;margin-bottom:8px;font-size:.96rem}
.check li::before{content:"✓";position:absolute;left:0;top:0;display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--teal);color:#fff;font-size:.7rem;margin-top:5px}
.modules{counter-reset:m}
.modules li{counter-increment:m;position:relative;padding:8px 12px 8px 40px;margin-bottom:8px;border-radius:10px;background:var(--alt);font-size:.94rem}
.modules li::before{content:counter(m);position:absolute;left:10px;top:9px;display:grid;place-items:center;width:22px;height:22px;border-radius:7px;background:var(--primary);color:#fff;font-size:.78rem;font-weight:700}
.m-price{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.m-price b{font:700 1.8rem 'Poppins','Hind Siliguri',sans-serif;color:var(--primary)}
.m-price s{color:#94a3b8}
.m-price em{font-style:normal;padding:2px 12px;border-radius:999px;background:#fef2f2;color:#dc2626;font-weight:700;font-size:.85rem}

/* Enroll form */
.enroll-box{width:min(580px,100%)}
.e-head{display:flex;align-items:center;gap:16px;padding:24px 64px 22px 26px;color:#fff;background:linear-gradient(135deg,var(--c1,#4f46e5),var(--c2,#14b8a6))}
.e-head small{opacity:.9;font-size:.9rem}
.e-head h3{color:#fff;font-size:1.2rem;margin-top:2px}
.e-emoji{display:grid;place-items:center;flex:none;width:58px;height:58px;border-radius:16px;background:rgba(255,255,255,.25);font-size:1.9rem;backdrop-filter:blur(4px)}
.e-body{padding:24px 26px 26px}
.e-title{display:flex;align-items:center;gap:10px;margin:4px 0 14px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.e-title i{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--primary);color:#fff;font-style:normal;font-size:.9rem}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-weight:600;color:var(--ink);font-size:.93rem;margin-bottom:6px}
.hint{font-weight:400;color:#94a3b8;font-size:.82rem}
.auto-tag{font-style:normal;margin-left:6px;padding:1px 10px;border-radius:999px;background:rgba(20,184,166,.15);color:var(--teal);font-size:.75rem;font-weight:700}
.field input,.field select{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:12px;background:var(--bg);color:var(--ink);font:1rem 'Hind Siliguri',sans-serif;transition:.2s}
.field select{cursor:pointer}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.field .err{display:none;color:#ef4444;font-size:.84rem;margin-top:4px}
.field.invalid input{border-color:#ef4444}
.field.invalid .err{display:block}
.field.valid input{border-color:var(--teal)}

.fee-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;margin:4px 0 22px;border-radius:14px;background:var(--alt);border:1px dashed var(--primary)}
.fee-card small{display:block;font-size:.82rem}
.fee-card b{font:700 1.6rem 'Poppins','Hind Siliguri',sans-serif;color:var(--primary)}
:root[data-theme="dark"] .fee-card b{color:#a5b4fc}
.fee-old{text-align:right}
.fee-old s{display:block;color:#94a3b8;font-size:.9rem}
.fee-old em{font-style:normal;font-weight:700;color:#dc2626;font-size:.85rem}

.bkash-card{padding:18px 20px;border-radius:16px;color:#fff;background:linear-gradient(135deg,#e2136e,#b30e57);box-shadow:0 10px 24px rgba(226,19,110,.3)}
.bk-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.bk-logo{padding:2px 12px;border-radius:8px;background:#fff;color:var(--bkash);font:700 1rem 'Poppins',sans-serif}
.bk-type{font-size:.85rem;opacity:.95}
.bk-label{font-size:.88rem;opacity:.9}
.bk-num{font:700 1.8rem 'Poppins',sans-serif;letter-spacing:2px;margin:2px 0 12px;user-select:all}
.bk-actions{display:flex;flex-wrap:wrap;gap:8px}
.copy-btn{padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.16);color:#fff;font:600 .9rem 'Hind Siliguri',sans-serif;cursor:pointer;transition:.2s}
.copy-btn:hover{background:#fff;color:var(--bkash)}
.copy-btn.done{background:#fff;color:#16a34a}
.pay-steps{counter-reset:p;margin:16px 0 18px}
.pay-steps li{counter-increment:p;position:relative;padding:4px 0 4px 34px;margin-bottom:6px;font-size:.95rem}
.pay-steps li::before{content:counter(p);position:absolute;left:0;top:5px;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:var(--chip);color:var(--primary);font-weight:700;font-size:.8rem}
.pay-steps b{color:var(--ink)}
.agree{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;font-size:.93rem;cursor:pointer}
.agree input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:none}
.agree.invalid{color:#ef4444}
#enrollModal .form-msg{margin-top:10px;text-align:center}
#enrollModal .form-msg.ok{color:#16a34a}
#enrollModal .form-msg.err{color:#ef4444}
.secure-note{margin-top:6px;text-align:center;font-size:.84rem;color:#94a3b8}

/* Success */
.e-done{padding:34px 26px 30px;text-align:center}
.done-icon{display:grid;place-items:center;width:78px;height:78px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#22c55e);color:#fff;font-size:2.4rem;font-weight:700;box-shadow:0 10px 24px rgba(20,184,166,.4);animation:pop .5s ease}
.e-done h3{font-size:1.5rem;margin-bottom:6px}
.done-note{max-width:440px;margin:0 auto 18px;font-size:.98rem}
.receipt{text-align:left;margin-bottom:20px;border:1px solid var(--border);border-radius:16px;overflow:hidden}
.receipt>div{display:flex;justify-content:space-between;gap:14px;padding:10px 16px;border-bottom:1px solid var(--border);font-size:.94rem}
.receipt>div:last-child{border-bottom:0}
.receipt>div:nth-child(odd){background:var(--alt)}
.receipt span{flex:none}
.receipt b{color:var(--ink);text-align:right;word-break:break-word}
.status-pill{color:#b45309!important}
.done-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}

/* Responsive */
@media(max-width:1060px){
  .menu{gap:16px;font-size:.95rem}
}
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{min-height:340px;max-width:500px;margin:10px auto 0;width:100%}
  .steps,.feature-grid,.mentor-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .burger{display:flex}
  .menu{position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);padding:8px 16px 18px;box-shadow:0 14px 24px rgba(15,23,42,.12);max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:.3s;font-size:1rem}
  .menu.open{max-height:560px;opacity:1;pointer-events:auto}
  .menu a:not(.btn){padding:12px 4px;border-bottom:1px solid var(--border)}
  .menu-cta{margin-top:12px}
}
@media(max-width:760px){
  .section{padding:62px 0}
  .footer-grid{grid-template-columns:1fr}
  .m-cols{grid-template-columns:1fr}
  .search{width:100%}
}
@media(max-width:560px){
  .steps,.feature-grid,.mentor-grid,.course-grid{grid-template-columns:1fr}
  .slide{padding:24px}
  .m-body,.e-body{padding:22px 18px 24px}
  .e-head{padding:20px 58px 18px 18px}
  .badge-card{display:none}
  .bk-num{font-size:1.5rem}
  .receipt>div{flex-direction:column;gap:0}
  .receipt b{text-align:left}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}