:root{
  --navy:#0A1F3D; --blue:#2B7FFF; --blue2:#0B5CFF;
  --orange:#FF6B0A; --orange2:#FF8A00; --bg:#F6F8FF; --card:#fff;
  --text:#0F1F3A; --muted:#5B6B8A; --line:#E6ECFA;
  --shadow-sm:0 2px 6px rgba(11,36,71,.14);
  --shadow-md:0 6px 22px rgba(11,36,71,.14);
  --r:18px;
}
/* Hard overflow lock: nothing may exceed viewport width */
*,*::before,*::after{box-sizing:border-box;max-width:100%}
html,body{overflow-x:hidden;overflow-x:clip;margin:0;padding:0;width:100%}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:Poppins,sans-serif;line-height:1.12;letter-spacing:-.3px;margin:0;overflow-wrap:break-word;word-break:break-word}
p,small,li,div{overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.container{max-width:1160px;margin:0 auto;padding-left:16px;padding-right:16px;width:100%;min-width:0}

.bg-illustration{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.blob-1{width:min(480px,80vw);height:min(480px,80vw);background:radial-gradient(circle,#BFD6FF,transparent 70%);top:-140px;left:-120px}
.blob-2{width:min(520px,85vw);height:min(520px,85vw);background:radial-gradient(circle,#FFE2C7,transparent 70%);top:20%;right:-200px}
.blob-3{width:min(380px,70vw);height:min(380px,70vw);background:radial-gradient(circle,#D6E6FF,transparent 70%);bottom:-120px;left:30%}
.dots{position:absolute;width:110px;height:70px;background-image:radial-gradient(var(--navy) 2.2px,transparent 2.3px);background-size:15px 15px;opacity:.15}
.dots-1{top:90px;right:5%}.dots-2{bottom:120px;left:3%}

.ticker{background:var(--navy);color:#fff;overflow:hidden;white-space:nowrap;font-size:12px;font-weight:700;padding:8px 0}
.ticker-track{display:inline-flex;gap:26px;animation:tick 26s linear infinite;will-change:transform}
@keyframes tick{to{transform:translateX(-50%)}}

/* HEADER — single, slim */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1160px;margin:0 auto;padding:10px 14px;display:flex;align-items:center;gap:10px;min-width:0}
.logo{display:flex;align-items:center;gap:9px;min-width:0;margin-right:auto;background:none;border:0;cursor:pointer;text-align:left;padding:0}
.logo-img{width:48px;height:48px;object-fit:contain;border-radius:13px;background:#fff;border:1px solid var(--line);flex:0 0 auto}
.logo-img.sm{width:40px;height:40px}
.mini-logo{width:28px;height:28px;object-fit:contain;border-radius:8px;background:#fff;flex:0 0 auto}
.logo-text{font-family:Poppins;font-weight:800;font-size:19px;letter-spacing:2px;color:var(--navy);line-height:1;white-space:nowrap}
.logo-text b{color:var(--orange)}
.logo-text small{display:block;font-size:7.5px;letter-spacing:2px;color:var(--blue);font-weight:700;margin-top:3px}
.logo-text.light{color:#fff;font-size:17px}
/* Class switcher */
.class-switch{display:flex;background:#EEF2FF;border:1px solid var(--line);border-radius:99px;padding:4px;gap:4px;flex:0 0 auto}
.class-switch button{border:0;background:transparent;font-weight:800;font-size:13.5px;padding:9px 14px;border-radius:99px;cursor:pointer;color:var(--navy);min-height:42px;white-space:nowrap}
.class-switch button.active{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.nav-cta{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:19px;box-shadow:var(--shadow-sm)}
.hamburger{display:none;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px;cursor:pointer;min-width:48px;min-height:48px;align-items:center;justify-content:center}
.hamburger span{width:22px;height:2.6px;background:var(--navy);border-radius:99px;display:block}
.mobile-menu{display:none;flex-direction:column;padding:10px 14px 14px;gap:8px;border-top:1px solid var(--line);max-height:70vh;overflow:auto}
.mobile-menu.open{display:flex}
.mobile-menu a,.mobile-menu button.mm-tab{background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 14px;font-weight:700;font-size:14.5px;text-align:left;min-height:50px;cursor:pointer;width:100%}
.mobile-menu button.mm-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.mm-label{font-size:11.5px;font-weight:800;letter-spacing:1px;color:var(--muted);margin:6px 2px 0}

/* Buttons: interactive hover lift, shadow glow and shimmer */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;font-weight:800;font-size:15px;padding:13px 18px;border-radius:14px;box-shadow:0 2px 6px rgba(11,36,71,.18);transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s ease,filter .18s;overflow:hidden;min-height:48px;width:auto}
.btn:hover{transform:translateY(-3px) scale(1.02);filter:brightness(1.05)}
.btn:active{transform:scale(.96) translateY(0)}
.btn::after{content:'';position:absolute;top:0;left:-120%;width:70%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);transition:left .6s ease;pointer-events:none}
.btn:hover::after{left:140%}
.btn-primary{background:linear-gradient(135deg,#12325F,var(--navy));color:#fff}
.btn-primary:hover{box-shadow:0 8px 24px rgba(11,92,255,.35)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{box-shadow:0 8px 24px rgba(10,31,61,.35)}
.btn-orange{background:linear-gradient(135deg,var(--orange2),var(--orange));color:#fff}
.btn-orange:hover{box-shadow:0 8px 24px rgba(255,107,10,.4)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--navy);box-shadow:0 6px 18px rgba(10,31,61,.12)}
.btn.small{font-size:13px;padding:10px 12px;min-height:44px;border-radius:12px}
.btn.full{width:100%;margin:12px 0 6px}

/* HERO */
.hero{padding:24px 0 6px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:24px;align-items:start}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-size:12px;font-weight:800;box-shadow:var(--shadow-sm);transition:transform .2s ease}
.badge:hover{transform:translateY(-2px)}
.badge .dot{width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 5px #dcfce7;flex:0 0 auto}
.hero h1{font-size:clamp(30px,4.4vw,52px);margin:14px 0 10px;font-weight:900}
.grad{background:linear-gradient(90deg,var(--blue2),#7C3AED,var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.orange{color:var(--orange)}
.sub{color:var(--muted);font-size:15.5px;line-height:1.6;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.trust-row{display:flex;gap:12px;align-items:center}
.avatars{display:flex;flex:0 0 auto}.avatars i{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-style:normal;border:3px solid #fff;margin-left:-8px;font-size:13px;transition:transform .2s ease}
.avatars:hover i{transform:scale(1.1)}
.avatars i:nth-child(1){background:#2B7FFF;margin-left:0}.avatars i:nth-child(2){background:#0A1F3D}.avatars i:nth-child(3){background:#FF6B0A}.avatars i:nth-child(4){background:#fff;color:var(--navy);border-color:var(--line);font-size:11px}
.trust-row small{display:block;color:var(--muted);font-size:12px}
.mini-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:16px}
.mini-stats div{background:#fff;border:1px solid var(--line);border-radius:15px;padding:11px 4px;text-align:center;box-shadow:var(--shadow-sm);min-width:0;transition:transform .22s cubic-bezier(.34,1.56,.64,1),border-color .2s,box-shadow .22s;cursor:default}
.mini-stats div:hover{transform:translateY(-4px) scale(1.02);border-color:var(--blue);box-shadow:0 8px 18px rgba(43,127,255,.15)}
.mini-stats b{display:block;font-size:18px}.mini-stats span{font-size:11px;color:var(--muted);font-weight:600}
.hero-right{min-width:0;width:100%;position:relative}

/* Hero card with floating levitation animation */
.hero-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:visible;box-shadow:var(--shadow-md);width:100%;animation:heroCardFloat 4.5s ease-in-out infinite;transition:box-shadow .3s ease}
.hero-card:hover{box-shadow:0 16px 42px rgba(11,36,71,.18)}
@keyframes heroCardFloat{
  0%,100%{transform:translateY(0px)}
  50%{transform:translateY(-9px)}
}
.hero-float-badge{position:absolute;top:-13px;right:16px;background:#fff;color:var(--navy);font-family:Poppins,sans-serif;font-size:11.5px;font-weight:800;padding:5px 13px;border-radius:99px;border:1.8px solid var(--navy);box-shadow:0 4px 14px rgba(10,31,61,.14);z-index:5;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;animation:badgeFloat 3.2s ease-in-out infinite alternate}
@keyframes badgeFloat{
  0%{transform:translateY(0px)}
  100%{transform:translateY(-4px)}
}
.hero-card-top{background:var(--navy);color:#fff;padding:12px 14px;font-weight:800;font-size:12.5px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;border-radius:20px 20px 0 0;overflow:hidden}
.hero-card-top b{color:var(--orange)}
.hero-card-body{padding:14px;min-width:0}
.check-list{display:grid;gap:8px;margin-bottom:12px}
.check-list div{background:#F6F8FF;border:1px solid var(--line);border-radius:12px;padding:9px 11px;font-weight:700;font-size:13px;transition:transform .22s cubic-bezier(.34,1.56,.64,1),background .2s,border-color .2s,box-shadow .22s;cursor:default}
.check-list div:hover{transform:translateX(6px);background:#EEF4FF;border-color:var(--blue);box-shadow:0 4px 14px rgba(43,127,255,.14)}
.check-list small{display:block;color:var(--muted);font-weight:500}
.pack-visual{display:flex;gap:10px;min-width:0}
.pack-box{flex:1;min-width:0;background:linear-gradient(135deg,#0A1F3D,#1a3a6b);color:#fff;border-radius:14px;padding:14px;font-family:Poppins;font-weight:900;font-size:19px;line-height:1.15;transition:transform .25s ease,box-shadow .25s ease}
.pack-box:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(10,31,61,.28)}
.pack-box span{display:block;margin-top:8px;font-size:10.5px;background:var(--orange);padding:6px 10px;border-radius:99px;width:fit-content}
.trophy{width:96px;flex:0 0 96px;background:linear-gradient(180deg,#FFF7ED,#FFEDD5);border:1px solid #FDBA74;border-radius:14px;display:grid;place-content:center;font-size:38px;text-align:center;transition:transform .3s cubic-bezier(.34,1.56,.64,1);cursor:default}
.trophy:hover{transform:scale(1.1) rotate(6deg)}
.trophy small{font-size:10px;font-weight:800}
.secure{display:block;text-align:center;color:var(--muted);font-size:12px}
.hero-strip{display:flex;gap:8px;overflow-x:auto;padding:14px 16px 16px;scrollbar-width:none;width:100%}
.hero-strip::-webkit-scrollbar{display:none}
.hero-strip div{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:99px;padding:9px 14px;font-weight:700;font-size:12.5px;box-shadow:var(--shadow-sm);white-space:nowrap;transition:transform .2s ease,border-color .2s ease,background .2s ease;cursor:default}
.hero-strip div:hover{transform:translateY(-3px);border-color:var(--blue);background:#EEF6FF;box-shadow:0 4px 12px rgba(43,127,255,.12)}

/* THE ONLY TAB BAR — big, high-attention, sticky */
.tabbar-wrap{position:sticky;top:66px;z-index:40;padding:10px 0 12px;background:linear-gradient(180deg,var(--bg) 78%,transparent)}
.tabbar{display:grid;gap:8px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:var(--shadow-sm);width:100%}
.tabbar.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tabbar.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.tabbar.cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.tab{border:1.5px solid transparent;background:#F1F5FF;border-radius:14px;padding:12px 6px;font-weight:800;font-size:20px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;min-height:66px;justify-content:center;transition:.2s;min-width:0}
.tab span{font-size:12px}
.tab small{font-size:10px;font-weight:600;color:inherit;opacity:.7}
.tab.active{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.tab:not(.active):hover{border-color:var(--blue)}

/* PANELS */
.panels{padding-bottom:26px;min-height:400px}
.panel{display:none;animation:panelIn .3s ease}
.panel.active{display:block}
@keyframes panelIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.sec-head{padding:18px 0 4px;min-width:0}
.sec-head h2{font-size:clamp(23px,3.2vw,34px)}
.sec-head h2 span{color:var(--blue2)}.sec-head h2 .orange-text{color:var(--orange)}
.sec-head p{color:var(--muted);margin-top:8px;line-height:1.6;font-size:14px}
.sec-head p a{color:var(--blue2);font-weight:700;text-decoration:underline}
.center{text-align:center}
.kicker{display:inline-block;background:var(--navy);color:#fff;font-size:11px;font-weight:800;letter-spacing:1px;padding:7px 13px;border-radius:99px;margin-bottom:10px}
.kicker.orange,.kicker.gold{background:linear-gradient(90deg,var(--orange),#ffb703);color:#1a1000}

/* BOOK CARDS + CHAPTERS */
.filter-bar{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap}
.fbtn{border:1px solid var(--line);background:#fff;padding:10px 16px;border-radius:99px;font-weight:800;cursor:pointer;min-height:44px;font-size:13.5px;transition:transform .2s cubic-bezier(.34,1.56,.64,1),border-color .2s ease,background .2s ease,box-shadow .2s ease}
.fbtn:hover:not(.active){transform:translateY(-2px);border-color:var(--blue);background:#F4F8FF;box-shadow:0 4px 12px rgba(43,127,255,.12)}
.fbtn.active{background:var(--navy);color:#fff}
.grid{display:grid;gap:12px;margin-top:14px}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.ncard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;min-width:0;width:100%}
.ncard::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--blue),var(--navy))}
.ncard .icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:#EEF4FF;margin-bottom:8px;transition:transform .22s ease}
.ncard:hover .icon{transform:scale(1.12)}
.ncard h3{font-size:15.5px;margin-bottom:4px;padding-right:4px}
.ncard p{font-size:13px;color:var(--muted);line-height:1.5;margin:0}
.ncard .meta{display:flex;gap:6px;margin:9px 0;flex-wrap:wrap}
.ncard .meta span{font-size:11px;font-weight:800;background:#F1F5FF;border:1px solid var(--line);padding:4px 9px;border-radius:99px;white-space:nowrap;transition:background .2s ease}
.ncard:hover .meta span{background:#E6EFFF}
.ncard .row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.ncard .row .btn{flex:1 1 140px;margin:0;min-width:0}
.chapters{display:none;margin-top:10px;border-top:1px dashed var(--line);padding-top:10px}
.ncard.open .chapters{display:block}
.chap-row{display:flex;align-items:center;gap:8px;padding:9px 8px;border-bottom:1px solid #F1F5FF;font-size:13px;min-width:0;border-radius:10px;transition:background .2s ease,transform .2s ease}
.chap-row:last-child{border-bottom:0}
.chap-row:hover{background:#F0F5FF;transform:translateX(4px)}
.chap-row .cn{flex:0 0 30px;width:30px;height:30px;border-radius:10px;background:#EEF4FF;display:grid;place-items:center;font-weight:800;font-size:12px;color:var(--navy);transition:transform .2s ease}
.chap-row:hover .cn{transform:scale(1.08)}
.chap-row .ct{flex:1;min-width:0;font-weight:600}
.chap-row .dl{flex:0 0 auto;border:0;background:var(--navy);color:#fff;font-weight:800;font-size:12px;padding:9px 13px;border-radius:11px;cursor:pointer;min-height:40px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;transition:transform .2s cubic-bezier(.34,1.56,.64,1),background .2s ease,box-shadow .2s ease}
.chap-row .dl:hover{transform:scale(1.06) translateY(-1px);background:var(--blue2);box-shadow:0 4px 12px rgba(11,92,255,.3)}
.chap-row .dl:active{transform:scale(.95)}
.dl-all{width:100%;margin-top:8px;border:1.5px dashed var(--blue);background:#F5F9FF;border-radius:12px;padding:11px;font-weight:800;font-size:13px;cursor:pointer;color:var(--navy);min-height:46px;display:flex;align-items:center;justify-content:center;text-decoration:none;text-align:center;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}
.dl-all:hover{transform:translateY(-2px);background:#EBF3FF;border-color:var(--blue2);box-shadow:0 4px 14px rgba(43,127,255,.14)}
.note-box{margin:16px 0 8px;background:#fff;border:1px dashed var(--blue);border-radius:14px;padding:13px 14px;font-size:13px;line-height:1.6;transition:transform .2s ease}
.note-box:hover{transform:translateY(-2px)}
.note-box a{color:var(--blue2);font-weight:700;text-decoration:underline}

/* PYQ */
.pyq-layout{display:grid;grid-template-columns:minmax(0,290px) minmax(0,1fr);gap:12px;margin-top:14px;align-items:start}
.pyq-years,.pyq-subjects{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;min-width:0;width:100%;transition:box-shadow .25s ease}
.pyq-years:hover,.pyq-subjects:hover{box-shadow:0 8px 24px rgba(11,36,71,.1)}
.pyq-years h3,.pyq-subjects h3{font-size:15px;margin-bottom:6px}
.exam-switcher{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}
.exam-switcher button{border:1.5px solid var(--line);background:#F8FAFF;padding:9px 13px;border-radius:12px;font-weight:800;cursor:pointer;min-height:42px;font-size:13px;display:inline-flex;align-items:center;gap:6px;transition:transform .2s cubic-bezier(.34,1.56,.64,1),border-color .2s ease,background .2s ease,box-shadow .2s ease}
.exam-switcher button:hover:not(.active){transform:translateY(-2px);border-color:var(--blue);background:#EEF4FF;box-shadow:0 4px 12px rgba(43,127,255,.12)}
.exam-switcher button.active{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 4px 14px rgba(10,31,61,.2)}
.year-pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.year-pills button{border:1.5px solid var(--line);background:#F8FAFF;padding:9px 13px;border-radius:12px;font-weight:800;cursor:pointer;min-height:44px;font-size:13.5px;transition:transform .2s cubic-bezier(.34,1.56,.64,1),border-color .2s ease,background .2s ease,box-shadow .2s ease}
.year-pills button:hover:not(.active){transform:translateY(-2px);border-color:var(--blue);background:#EEF4FF;box-shadow:0 4px 12px rgba(43,127,255,.12)}
.year-pills button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.official-links{display:grid;gap:8px;margin:10px 0}
.tip{background:#FFF7ED;border:1px solid #FED7AA;border-radius:12px;padding:11px;font-size:12.5px;line-height:1.5}

/* RECOMMENDED linktree style */
.reco-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}
.reco-card{background:#fff;border:3px solid #111;border-radius:20px;overflow:hidden;box-shadow:0 5px 0 #111;cursor:pointer;transition:transform .18s;display:flex;flex-direction:column;min-width:0;width:100%;text-align:left;padding:0;font:inherit;color:inherit}
.reco-card:hover{transform:translateY(-3px) !important}
.reco-card:active{transform:scale(.98) !important}
.reco-cover{position:relative;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end;padding:12px;overflow:hidden}
.reco-cover img.cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.reco-cover .emoji-bg{position:absolute;inset:0;display:grid;place-items:center;font-size:80px;opacity:.25}
.reco-ribbon{position:absolute;top:10px;left:10px;background:#111;color:#FFC531;font-size:10px;font-weight:800;padding:5px 10px;border-radius:99px;z-index:2;white-space:nowrap}
.reco-rating{position:absolute;top:10px;right:10px;background:#fff;border:2px solid #111;font-size:11px;font-weight:800;padding:4px 9px;border-radius:99px;z-index:2;white-space:nowrap}
.reco-cover h4{position:relative;z-index:1;font-size:15px;line-height:1.25;color:#111;background:rgba(255,255,255,.92);border:2px solid #111;border-radius:11px;padding:8px 10px}
.reco-cover small{position:relative;z-index:1;font-size:11.5px;color:#333;margin-top:6px;background:rgba(255,255,255,.85);border-radius:8px;padding:4px 8px;width:fit-content}
.reco-bar{background:#1E7AFF;color:#fff;padding:12px;display:flex;align-items:center;gap:8px;font-weight:800;font-size:13.5px;min-height:54px}
.reco-bar span.t{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reco-bar .buy{flex:0 0 auto;background:#fff;color:#1E7AFF;font-size:12px;padding:6px 11px;border-radius:99px;font-weight:800}
.reco-bar .dots3{opacity:.8}

/* PACK — fully fluid, no cut */
.mega{font-size:clamp(28px,4.4vw,48px)!important}
.tagline{font-weight:800;color:var(--navy);background:#fff;display:inline-block;padding:8px 15px;border-radius:99px;border:1px solid var(--line);margin-top:10px;font-size:12.5px}
.pack-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:12px;margin:16px 0 8px;align-items:start;width:100%}
.pack-left,.pack-right{min-width:0;width:100%}
.thumb-card{background:linear-gradient(135deg,#fff 55%,#E8EFFF 55%);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow-md);overflow:hidden;width:100%}
.thumb-top{display:flex;align-items:center;gap:8px;font-weight:800;font-size:12px;flex-wrap:wrap;letter-spacing:1px}
.crown{margin-left:auto;font-size:10px;background:var(--navy);color:#fff;padding:6px 10px;border-radius:99px;white-space:nowrap}
.thumb-card h3{font-size:clamp(24px,3.2vw,32px);margin:10px 0}
.thumb-card h3 span{background:linear-gradient(90deg,var(--blue2),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.feat-6{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:12px 0}
.feat-6 div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 4px;text-align:center;min-width:0;transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s ease,border-color .2s ease,background .2s ease;cursor:pointer}
.feat-6 div:hover{transform:translateY(-5px) scale(1.03);border-color:var(--blue);background:#F8FAFF;box-shadow:0 8px 22px rgba(43,127,255,.18)}
.feat-6 i{display:inline-block;font-style:normal;font-size:19px;transition:transform .25s cubic-bezier(.34,1.56,.64,1)}
.feat-6 div:hover i{transform:scale(1.22) rotate(-5deg)}
.feat-6 b{display:block;font-size:10px;margin:3px 0 2px}.feat-6 small{font-size:10px;color:var(--muted)}
.thumb-bottom{background:var(--navy);color:#fff;border-radius:12px;padding:11px 12px;font-size:12px;margin-top:8px;transition:transform .2s ease}
.thumb-bottom:hover{transform:translateY(-2px)}
.thumb-bottom b{color:#FFB703}.thumb-bottom span{display:block;margin-top:4px;opacity:.85}
.price-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;margin-top:12px;width:100%;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.price-card:hover{border-color:var(--blue);box-shadow:0 8px 26px rgba(43,127,255,.12);transform:translateY(-2px)}
.cta-line{font-size:14px;color:var(--navy)}
.price-btns{display:flex;gap:8px;margin:12px 0 0;flex-wrap:wrap}.price-btns .btn{margin:0;flex:1 1 150px;min-width:0}
.pack-right{background:linear-gradient(180deg,#0A1F3D,#0f2f5e);color:#fff;border-radius:18px;padding:16px;width:100%;overflow:hidden;transition:box-shadow .3s ease}
.pack-right:hover{box-shadow:0 14px 40px rgba(10,31,61,.3)}
.inside-title{background:#fff;color:var(--navy);display:inline-block;padding:8px 15px;border-radius:10px;font-size:14px;transition:transform .2s ease}
.inside-title:hover{transform:scale(1.03)}
.inside-list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.inside-list li{display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:9px 11px;min-width:0;transition:transform .24s cubic-bezier(.34,1.56,.64,1),background .2s ease,border-color .2s ease,box-shadow .24s ease;cursor:default}
.inside-list li:hover{transform:translateX(8px);background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.45);box-shadow:0 6px 20px rgba(0,0,0,.28)}
.inside-list i{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;background:#fff;border-radius:50%;font-style:normal;font-size:16px;transition:transform .25s cubic-bezier(.34,1.56,.64,1)}
.inside-list li:hover i{transform:scale(1.15) rotate(8deg)}
.inside-list b{font-size:13px}.inside-list b span{color:var(--orange2)}
.green{color:#4ade80!important}.red{color:#f87171!important}
.guarantee{margin-top:12px;background:#FF6B0A;text-align:center;font-weight:800;font-size:12px;padding:10px;border-radius:10px;transition:transform .22s cubic-bezier(.34,1.56,.64,1),filter .2s ease,box-shadow .22s ease;cursor:default}
.guarantee:hover{transform:translateY(-2px) scale(1.02);filter:brightness(1.08);box-shadow:0 6px 20px rgba(255,107,10,.35)}

/* MORE (streams etc) */
.stream-pills{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.stream-pills button{border:1.5px solid var(--line);background:#fff;padding:10px 16px;border-radius:99px;font-weight:800;font-size:13.5px;cursor:pointer;min-height:46px}
.stream-pills button.active{background:var(--navy);color:#fff;border-color:var(--navy)}

.footer{background:var(--navy);color:#CBD5E1;padding:34px 0 0;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:18px}
.footer h4{color:#fff;margin:0 0 8px;font-size:15px}.footer a,.footer button.ftab{display:block;padding:6px 0;background:none;border:0;color:#CBD5E1;cursor:pointer;font-size:14px;text-align:left}
.socials{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.socials .btn{margin:0}
.notify{display:flex;gap:8px;margin-top:8px}.notify input{flex:1;min-width:0;padding:12px;border-radius:12px;border:1px solid #334155;background:#0f2a52;color:#fff;outline:none;min-height:48px}
.copy{border-top:1px solid #1e3a63;margin-top:20px;padding:14px;text-align:center;font-size:12.5px}
.to-top{position:fixed;right:14px;bottom:16px;width:46px;height:46px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:20px;font-weight:900;cursor:pointer;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:.3s;z-index:55}
.to-top.show{opacity:1;pointer-events:auto}
.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;font-size:13px;font-weight:700;padding:11px 18px;border-radius:99px;opacity:0;pointer-events:none;transition:.3s;z-index:80;max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(min-width:1024px){.hero{padding-top:34px}}

/* ==========================================================================
   DESKTOP NAV LINKS (old-site style text nav — PC only)
   ========================================================================== */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 2px;
  flex: 1;
  margin: 0 12px;
}
.desktop-nav a {
  font-family: Poppins,sans-serif;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  border: 0;
  background: transparent;
  white-space: nowrap;
  position: relative;
  transition: color .18s, background .18s;
  text-decoration: none;
  display: inline-block;
}
.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 12px;
  right: 12px;
  height: 2.5px;
  background: var(--blue2);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s cubic-bezier(.4,0,.2,1);
}
.desktop-nav a:hover { color: var(--blue2); background: #EEF6FF; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.desktop-nav a.active { color: var(--navy); background: #EEF2FF; }
.desktop-nav a.active::after { transform: scaleX(1); background: var(--navy); }

/* "Get Notes Pack" nav CTA */
.nav-pack-btn { display: none; white-space: nowrap; }
@keyframes navBtnGlow {
  from { box-shadow: 0 2px 6px rgba(11,36,71,.18); }
  to   { box-shadow: 0 4px 20px rgba(43,127,255,.38), 0 2px 6px rgba(11,36,71,.14); }
}
@media(min-width:900px) {
  .desktop-nav  { display: flex; }
  .nav-pack-btn { display: inline-flex; animation: navBtnGlow 2.4s ease-in-out infinite alternate; }
}

/* ==========================================================================
   HERO — BIGGER H1 ON PC + ENTRANCE ANIMATIONS
   ========================================================================== */
@media(min-width:900px) {
  .hero h1 { font-size: clamp(40px,5vw,64px); }
}
.hero-left  { animation: heroFadeUp .65s cubic-bezier(.22,1,.36,1) both; }
.hero-right { animation: heroFadeUp .75s .15s cubic-bezier(.22,1,.36,1) both; }
@keyframes heroFadeUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:none; }
}

/* Badge live pulse */
.badge .dot { animation: dotPulse 1.8s ease-in-out infinite; }
@keyframes dotPulse {
  0%,100% { box-shadow: 0 0 0 5px #dcfce7; }
  50%      { box-shadow: 0 0 0 9px rgba(34,197,94,.16); }
}

/* Mini-stat boxes pop in staggered */
.mini-stats div { animation: statPop .5s cubic-bezier(.34,1.4,.64,1) both; }
.mini-stats div:nth-child(1){animation-delay:.40s}
.mini-stats div:nth-child(2){animation-delay:.52s}
.mini-stats div:nth-child(3){animation-delay:.64s}
.mini-stats div:nth-child(4){animation-delay:.76s}
@keyframes statPop {
  from { opacity:0; transform:scale(.75); }
  to   { opacity:1; transform:scale(1); }
}

/* Tabbar slides down */
.tabbar-wrap { animation: tabbarSlide .5s .3s cubic-bezier(.22,1,.36,1) both; }
@keyframes tabbarSlide {
  from { opacity:0; transform:translateY(-10px); }
  to   { opacity:1; transform:none; }
}

/* Ticker sweeps in */
.ticker { animation: tickerIn .55s cubic-bezier(.22,1,.36,1) both; }
@keyframes tickerIn {
  from { opacity:0; clip-path: inset(0 100% 0 0); }
  to   { opacity:1; clip-path: inset(0 0% 0 0); }
}

/* ==========================================================================
   SCROLL-REVEAL — JS adds .reveal / .reveal-stagger; CSS drives transitions
   ========================================================================== */
.reveal {
  opacity:0;
  transform:translateY(24px);
  transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1);
}
.reveal.in { opacity:1; transform:none; }

.reveal-stagger > * {
  opacity:0;
  transform:translateY(16px);
  transition:opacity .45s cubic-bezier(.22,1,.36,1),transform .45s cubic-bezier(.22,1,.36,1);
}
.reveal-stagger.in > *:nth-child(1)  { opacity:1;transform:none;transition-delay:.04s }
.reveal-stagger.in > *:nth-child(2)  { opacity:1;transform:none;transition-delay:.10s }
.reveal-stagger.in > *:nth-child(3)  { opacity:1;transform:none;transition-delay:.16s }
.reveal-stagger.in > *:nth-child(4)  { opacity:1;transform:none;transition-delay:.22s }
.reveal-stagger.in > *:nth-child(5)  { opacity:1;transform:none;transition-delay:.28s }
.reveal-stagger.in > *:nth-child(6)  { opacity:1;transform:none;transition-delay:.34s }
.reveal-stagger.in > *:nth-child(n+7){ opacity:1;transform:none;transition-delay:.40s }

/* Card hover lift (books, reco, ncard) */
.ncard { transition: transform .18s,box-shadow .18s; }
.ncard:hover { transform:translateY(-3px); box-shadow:0 10px 28px rgba(11,36,71,.14); }

@media(max-width:900px){
  /* Header */
  .hamburger{display:flex}
  .logo-text{font-size:16px}
  .logo-img{width:42px;height:42px}
  .class-switch button{padding:8px 11px;font-size:12.5px}
  
  /* Hero */
  .hero{padding:16px 0 6px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .hero h1{font-size:32px;line-height:1.2;margin:16px 0 12px}
  .sub{font-size:15px;line-height:1.55}
  .hero-btns .btn{flex:1 1 100%;min-height:52px;font-size:15.5px}
  .hero-card{border-radius:18px}
  .hero-card-top{padding:14px;font-size:13px}
  .hero-card-body{padding:16px}
  
  /* Mini stats - 2 cols on mobile for breathing room */
  .mini-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .mini-stats b{font-size:17px}.mini-stats span{font-size:11.5px}

  /* Restore Large Tab Bar */
  .tabbar-wrap{top:63px;padding:8px 0 14px}
  .tabbar{display:flex;overflow-x:auto;scrollbar-width:none;padding:8px;gap:8px;border-radius:18px;scroll-snap-type:x mandatory}
  .tabbar::-webkit-scrollbar{display:none}
  .tab{flex:1 0 auto;min-width:76px;scroll-snap-align:start;min-height:64px;font-size:20px;padding:10px 4px}
  .tab span{font-size:12px;font-weight:800}

  /* Filter & General Grids */
  .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}
  .fbtn{white-space:nowrap;flex:0 0 auto}
  .grid, .cards-2{grid-template-columns:minmax(0,1fr);gap:18px}
  .ncard{padding:20px}
  .ncard h3{font-size:17px;margin-bottom:6px}

  /* PYQ Layout */
  .pyq-layout,.pack-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .pyq-years, .pyq-subjects{padding:20px}
  
  /* Reco */
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .reco-cover{min-height:160px;padding:12px}
  .reco-cover .emoji-bg{font-size:55px}
  .reco-cover h4{font-size:13px}
  .reco-bar{font-size:12px;min-height:50px}
  .reco-bar .buy{display:none}

  /* Pack Section Decluttering */
  .pack-right{padding:22px 18px}
  .pack-box{padding:18px;font-size:18px}
  .feat-6{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .feat-6 div{padding:12px 8px}
  .inside-list li{padding:12px 14px}
  .price-card{padding:20px}
  .price-btns .btn{flex:1 1 100%;min-height:52px}

  /* Footer */
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer{padding-top:40px}
}
@media(max-width:380px){
  .hero h1{font-size:28px}
  .reco-grid{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ==========================================================================
   VISUAL CMS STUDIO — LIVE EDITOR CANVAS STYLING
   ========================================================================== */
body.in-editor {
  cursor: default;
}
body.in-editor [data-book],
body.in-editor .reco-card,
body.in-editor .hero,
body.in-editor .ticker,
body.in-editor .pyq-layout,
body.in-editor .thumb-card,
body.in-editor .price-card,
body.in-editor .pack-right,
body.in-editor #panel-more .ncard {
  position: relative;
  transition: outline 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}
body.in-editor [data-book]:hover,
body.in-editor .reco-card:hover,
body.in-editor #panel-more .ncard:hover {
  outline: 2.5px dashed #2B7FFF !important;
  outline-offset: 3px;
}
body.in-editor .hero:hover {
  outline: 2.5px dashed #2B7FFF !important;
  outline-offset: -2px;
}
body.in-editor .ticker:hover {
  outline: 2px dashed #F59E0B !important;
  outline-offset: -2px;
}
body.in-editor .thumb-card:hover,
body.in-editor .price-card:hover,
body.in-editor .pack-right:hover {
  outline: 2.5px dashed #10B981 !important;
  outline-offset: 3px;
}
body.in-editor .pyq-layout:hover {
  outline: 2px dashed #2B7FFF !important;
  outline-offset: 3px;
}
body.in-editor [data-book]::after {
  content: "✎ Edit";
  position: absolute;
  top: 8px;
  right: 8px;
  background: #1e293b;
  color: #60a5fa;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid #3b82f6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 20;
}
body.in-editor .reco-card::after {
  content: "✎ Edit";
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: #1e293b;
  color: #60a5fa;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid #3b82f6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 20;
}
body.in-editor [data-book]:hover::after,
body.in-editor .reco-card:hover::after {
  opacity: 1;
}