:root{--green:#0B6B4A;--green2:#0E8A5F;--green-dark:#065F46;--dark:#14201B;--muted:#5A6B62;--bg:#F7FAF8;--card:#fff;--line:#E3ECE7;--amber:#F5B301;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{width:100%}body{overflow-x:clip;margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.65}
a{color:var(--green)}a:hover{color:var(--green2)}:focus-visible{outline:3px solid rgba(14,138,95,.45);outline-offset:2px;border-radius:6px}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{position:static;background:var(--green);color:#fff;padding:8px 14px;display:block}
.site-header{background:#fff;border-bottom:1px solid #EEF2EF;position:sticky;top:0;z-index:50}.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--dark);line-height:1.15;white-space:nowrap}.logo-mark{display:inline-flex;align-items:center;justify-content:center;min-width:40px;width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,#0E8A5F,#0B6B4A);color:#fff;font-size:23px;font-weight:800;box-shadow:0 4px 10px rgba(11,107,74,.25)}.logo-text{font-weight:800;font-size:16.5px;white-space:nowrap;letter-spacing:-.2px}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:2px;flex-wrap:wrap}.main-nav a{padding:9px 14px;border-radius:999px;text-decoration:none;color:var(--dark);font-weight:600;font-size:15px}.main-nav a.active{background:var(--green);color:#fff!important}.main-nav a:hover{background:#EAF4EF;color:var(--green)}
.btn{display:inline-block;background:linear-gradient(135deg,#0E8A5F,#0B6B4A);color:#fff!important;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:700;border:2px solid var(--green);cursor:pointer;box-shadow:0 6px 16px rgba(11,107,74,.22);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn:hover{background:linear-gradient(135deg,#12A06E,#0B6B4A);border-color:var(--green2);transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,107,74,.28)}.btn.small{padding:9px 16px;font-size:14px}.btn .ic{vertical-align:-2px;margin-right:5px}.btn.outline{background:#fff;color:var(--green)!important}.btn.light{background:#fff;color:var(--green)!important;border-color:#fff}.btn.amber{background:var(--amber);border-color:var(--amber);color:#222!important}.btn.amber:hover{background:#FFC61A;border-color:#FFC61A}.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:18px;cursor:pointer}
.hero{position:relative;overflow:hidden;padding:32px 0 28px;background:url('/assets/images/covers/hero-banner.jpg') center/cover no-repeat,#063E2A;color:#fff}
.hero-copy{max-width:600px}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:700}
.hero h1{font-size:clamp(24px,3vw,30px);line-height:1.14;margin:18px 0 14px;font-weight:800;letter-spacing:-.3px}
.hero-yellow{color:#FDE047}
.hero-lead{font-size:16px;opacity:.92;max-width:560px;margin:0 0 14px}
.hero-search{display:flex;gap:8px;background:#fff;border-radius:999px;padding:7px 7px 7px 18px;max-width:560px;box-shadow:0 10px 24px rgba(0,0,0,.18);align-items:center}
.hero-search .search-ic{color:#6B7280;flex-shrink:0}
.hero-search input{flex:1;border:0;outline:0;font-size:15.5px;min-width:0;background:transparent}
.hero-search .btn{padding:11px 24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn-white{background:#fff;color:var(--green)!important;border-color:#fff}
.trust-bar{background:#fff;border-bottom:1px solid #EEF2EF;padding:22px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{display:flex;gap:13px;align-items:flex-start}
.trust-ic{flex-shrink:0;width:46px;height:46px;border-radius:50%;background:#E6F4EC;display:flex;align-items:center;justify-content:center;color:var(--green)}
.trust-item b{display:block;font-size:15.5px;line-height:1.3}
.trust-item small{color:var(--muted);font-size:13.5px}
.section{padding:52px 0}.section h2{font-size:30px;margin:0 0 8px}.section .sub{color:var(--muted);max-width:760px;margin:0 0 26px}
.feat-head{display:flex;gap:20px;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;margin-bottom:24px}
.feat-head h2{margin:0}.feat-head .sub{margin:6px 0 0}
.feat-pills{display:flex;gap:8px;flex-wrap:wrap}
.feat-pill{border:1.5px solid var(--line);background:#fff;color:var(--dark);padding:8px 18px;border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s ease}
.feat-pill.active{background:var(--green);border-color:var(--green);color:#fff}
.feat-pill:hover{border-color:var(--green);color:var(--green)}
.feat-pill.active:hover{color:#fff}
.filters{display:flex;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);padding:16px;border-radius:var(--radius);margin-bottom:26px}.filters label{font-weight:700;font-size:14px;display:flex;flex-direction:column;gap:6px;flex:1;min-width:170px}.filters input,.filters select{padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px;background:#fff}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid #E7EFEA;border-radius:20px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 2px 12px rgba(20,32,27,.06);transition:transform .25s ease,box-shadow .25s ease}
.card-link{text-decoration:none;color:inherit;cursor:pointer}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(20,32,27,.14)}
.card-cover{position:relative;background:#F1F5F2}
.card-cover img{display:block;width:100%;height:auto;aspect-ratio:400/300;object-fit:cover}
/* 3D book (real cover on the front face + spine + page edges) */
.book-stage{position:relative;display:flex;align-items:center;justify-content:center;padding:30px 10px 34px;background:radial-gradient(120% 110% at 50% 0%,#FFFFFF 0%,#EDF5F0 55%,#DCEBE1 100%);overflow:hidden}
.book-stage::before{content:"";position:absolute;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.6);top:-80px;right:-50px}
.book-stage::after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(14,138,95,.10);bottom:-70px;left:-40px}
.book3d{position:relative;width:148px;height:198px;flex-shrink:0;transform-style:preserve-3d;transform:perspective(1000px) rotateY(-22deg) rotateX(2deg);transition:transform .45s cubic-bezier(.22,.8,.32,1),filter .45s ease;filter:drop-shadow(12px 16px 18px rgba(20,32,27,.30))}
.card:hover .book3d,.modal .book3d:hover{transform:perspective(1000px) rotateY(-11deg) rotateX(1deg) translateY(-6px);filter:drop-shadow(16px 24px 26px rgba(20,32,27,.34))}
.book3d-front{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;border-radius:2px 7px 7px 2px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.10);transform:translateZ(10px)}
.book3d-back{position:absolute;inset:0;background:#0B3D2B;border-radius:2px 7px 7px 2px;transform:translateZ(-10px)}
.book3d-spine{position:absolute;left:-10px;top:0;width:20px;height:100%;transform:rotateY(-90deg);background:linear-gradient(90deg,#053A28,#0B6B4A 55%,#0E8A5F);border-radius:2px 0 0 2px}
.book3d-pages{position:absolute;right:-10px;top:3px;width:20px;height:calc(100% - 6px);transform:rotateY(90deg);background:repeating-linear-gradient(90deg,#FFFDF4 0 2px,#E9E2C8 2px 3px);border-radius:0 2px 2px 0}
.book3d-shade{position:absolute;inset:0;transform:translateZ(11px);background:linear-gradient(90deg,rgba(0,0,0,.30),rgba(0,0,0,0) 20%,rgba(255,255,255,.14) 32%,rgba(0,0,0,0) 48%);border-radius:2px 7px 7px 2px;pointer-events:none}
.modal-book{border-radius:14px;margin-bottom:16px}
.modal-book .book3d{width:132px;height:176px}
@media(max-width:760px){.book3d{width:120px;height:160px}.book-stage{padding:24px 8px 28px}}
.live-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:#0B6B4A;font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;display:inline-flex;align-items:center;gap:5px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.live-badge i{width:7px;height:7px;border-radius:50%;background:#22C55E;display:inline-block;font-style:normal}
.live-badge.soon{color:#8A5A00}.live-badge.soon i{background:#F59E0B}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.subj-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:800;padding:5px 11px;border-radius:8px;width:fit-content;background:#EAF4EF;color:#0B6B4A}
.subj-tag.sindhi{background:#F3E8FF;color:#7C3AED}.subj-tag.urdu{background:#E9F9EC;color:#0B6B4A}.subj-tag.english{background:#FDE8EF;color:#BE185D}.subj-tag.arabic{background:#E0F2FE;color:#1D4ED8}.subj-tag.math{background:#FFF7CC;color:#92400E}.subj-tag.science{background:#E0F7FA;color:#0E7490}.subj-tag.social-studies{background:#E8EAF6;color:#4338CA}.subj-tag.islamiat{background:#DBEAFE;color:#1E40AF}.subj-tag.mazhabi-taleemat{background:#E0F2F1;color:#00695C}.subj-tag.computer{background:#EDE9FE;color:#5B21B6}.subj-tag.physics{background:#FFEDD5;color:#C2410C}.subj-tag.chemistry{background:#FCE7F3;color:#9D174D}.subj-tag.biology{background:#DCFCE7;color:#15803D}.subj-tag.pakistan-studies{background:#D1FAE5;color:#065F46}
.card-body h3{margin:0;font-size:17.5px;line-height:1.35}
.card-meta{display:flex;gap:6px;flex-wrap:wrap;margin:0}
.card-desc{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.card-body .actions{margin-top:auto;padding-top:4px}
.btn-open{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,#0E8A5F,#065F46);color:#fff!important;text-decoration:none;padding:10px 20px;border-radius:999px;font-weight:700;font-size:14.5px;box-shadow:0 6px 14px rgba(11,107,74,.24);transition:transform .2s ease,box-shadow .2s ease}.btn-open:hover{background:linear-gradient(135deg,#12A06E,#065F46);transform:translateY(-1px);box-shadow:0 10px 20px rgba(11,107,74,.30)}
.modal-cover{width:100%;max-height:260px;object-fit:contain;background:#F1F5F2;border-radius:8px;margin-bottom:12px}
.chip{display:inline-block;background:#EAF4EF;color:var(--green);padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700}.chip.soon{background:#FFF4DE;color:#8A5A00}.chip.live{background:#E3F7EC;color:#0B6B4A}
.pdf-banner{display:flex;align-items:center;gap:18px;background:#EAF6EF;border:1px solid #D3EBDC;border-radius:18px;padding:22px 26px;flex-wrap:wrap;margin-top:10px}
.pdf-banner-icon{width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pdf-banner h3{margin:0;font-size:19px}.pdf-banner p{margin:2px 0 0;color:var(--muted);font-size:14.5px}
.pdf-banner .btn.whatsapp{margin-left:auto}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.step .num{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin-bottom:12px}
.subject-strip{display:flex;gap:10px;flex-wrap:wrap}.subject-strip a{background:#fff;border:1px solid var(--line);padding:9px 16px;border-radius:999px;text-decoration:none;color:var(--dark);font-weight:600}
.testimonials{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}.testi p{font-style:italic}.testi b{display:block;margin-top:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:700}
.newsletter{background:var(--dark);color:#fff;border-radius:18px;padding:34px;text-align:center}.newsletter h2{color:#fff}.newsletter input{padding:13px 16px;border-radius:10px;border:0;min-width:260px;font-size:15px}.newsletter form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.post{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}.post h1{font-size:32px;line-height:1.25}.post h2{font-size:24px;margin-top:34px}.post-meta{color:var(--muted)}.post-hero{background:var(--green);color:#fff;border-radius:12px;padding:34px 26px;display:flex;justify-content:space-between;align-items:flex-end;margin:20px 0}.post-hero-num{font-size:52px;font-weight:800}.lead{font-size:18px}
.post-thumb{width:100%;height:auto;border-radius:12px;margin:20px 0;display:block}
figure.diagram{margin:22px 0 8px;border:1px solid var(--line);border-radius:12px;padding:14px;background:#F7FAF8}figure.diagram img{width:100%;height:auto;display:block;border-radius:8px}figure.diagram figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px}
.key-points li{margin-bottom:10px}.steps li{margin-bottom:12px}.related{background:#F7FAF8;border:1px solid var(--line);border-radius:12px;padding:20px;margin-top:30px}
.crumbs{padding:18px 0 6px;color:var(--muted);font-size:14px}.crumbs a{color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}.modal-backdrop.open{display:flex}.modal{background:#fff;border-radius:16px;max-width:640px;width:100%;max-height:88vh;overflow:auto;padding:26px}.modal .close{float:right;background:none;border:0;font-size:24px;cursor:pointer}.modal.pdf-modal{max-width:960px;width:96%}.modal-pdf{width:100%;height:70vh;border:1px solid var(--line);border-radius:12px;background:#fff}
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:50px;padding:36px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.site-footer ul{list-style:none;padding:0}.site-footer li{margin-bottom:8px}.site-footer a{text-decoration:none;color:var(--muted)}.copyright{text-align:center;color:var(--muted);font-size:13.5px;border-top:1px solid var(--line);padding-top:16px}
.pagination{display:flex;gap:12px;align-items:center;justify-content:center;margin:30px 0}.form-box{max-width:640px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}.form-box label{display:block;font-weight:700;margin:14px 0 6px}.form-box input,.form-box textarea,.form-box select{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;font-size:15px}
.notice{background:#FFF4DE;border:1px solid #F2D492;border-radius:10px;padding:14px 18px}
@media(max-width:1020px){.grid{grid-template-columns:repeat(3,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.logo{white-space:normal}.logo-text{white-space:normal}.main-nav{display:none;width:100%;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.nav-toggle{display:block}.footer-grid{grid-template-columns:1fr}.post{padding:20px}.hero{padding:24px 0 20px}.section{padding:32px 0}.grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:1fr 1fr}.pdf-banner{flex-direction:column;align-items:flex-start}.pdf-banner .btn.whatsapp{margin-left:0}.feat-head{flex-direction:column;align-items:flex-start}}
@media(max-width:520px){.hero h1{font-size:22px}.grid{grid-template-columns:1fr}.hero-search{flex-direction:column;background:transparent;padding:0;box-shadow:none;gap:10px}.hero-search input{background:#fff;border-radius:999px;padding:13px 18px;width:100%}.hero-search .btn{width:100%}}
.pdf-frame{width:100%;height:78vh;border:1px solid var(--line);border-radius:12px;background:#fff}.btn.whatsapp{background:#25D366;border-color:#25D366;color:#fff!important}.btn.whatsapp:hover{background:#1FB857;border-color:#1FB857}.preview-meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.pdf-controls{display:flex;gap:8px;align-items:center;margin:12px 0;flex-wrap:wrap}.pdf-controls .btn{padding:8px 16px;cursor:pointer}.pdf-viewer{overflow:auto;background:#F1F5F2;border:1px solid var(--line);border-radius:12px;padding:12px}.pdf-viewer canvas{display:block;margin:0 auto 12px;box-shadow:0 2px 10px rgba(0,0,0,.12);background:#fff}.pdf-viewer .pdf-page{margin:0 auto 12px;box-shadow:0 2px 10px rgba(0,0,0,.12);background:#fff;max-width:none}.pdf-viewer .pdf-page canvas{margin:0;box-shadow:none}.modal .pdf-viewer{max-height:68vh}
@media(max-width:760px){.pdf-frame{height:68vh}}

/* ---- Responsive hardening (mobile / tablet) ---- */
/* Global media containment: no image, svg, video or iframe may ever exceed its container */
img,svg,video,iframe{max-width:100%}
img{height:auto}
/* Long words / URLs in article bodies must wrap instead of overflowing narrow screens */
.post{overflow-wrap:break-word}
.post a{overflow-wrap:anywhere}
.crumbs{overflow-wrap:break-word}
/* Pagination links may wrap on small screens instead of clipping */
.pagination{flex-wrap:wrap}
/* Keep the header on one line a little longer on small tablets */
@media(max-width:900px){.main-nav a{padding:8px 11px;font-size:14px}.logo-text{font-size:15px}}
/* Article hero: stack title + number on mobile */
@media(max-width:760px){.post-hero{flex-direction:column;align-items:flex-start;gap:6px;padding:26px 20px}.post-hero-num{font-size:36px;line-height:1}}
/* Small phones: smaller headings, single-column trust grid, full-width newsletter form */
@media(max-width:520px){.section h2{font-size:24px}.post h1{font-size:26px}.post h2{font-size:21px}.trust-grid{grid-template-columns:1fr}.newsletter{padding:24px 18px}.newsletter input{min-width:0;width:100%}.newsletter form{flex-direction:column}.newsletter .btn{width:100%}}

/* ===== Premium Book Card (SchoolifyBookCard) — book cards only (.book-card) ===== */
.book-card{border-radius:32px;border:1px solid #E5F0EB;box-shadow:0 12px 40px rgba(0,80,60,.10);transition:transform .3s ease,box-shadow .3s ease}
.book-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(0,80,60,.16)}
/* Hero ("thumbnail") = the user's supplied theme image, shown in full and
   exactly as-is (it carries the Free pill, headline, decorations, desk and
   wave). The ONLY dynamic part: each book's own real cover is seated on the
   scene book's front face via a tuned 3D transform. */
.bk-hero{position:relative;aspect-ratio:1672/941;background:url('/assets/images/covers/thumb-theme.jpg') center/cover no-repeat;overflow:hidden}
.bk-cover{position:absolute;left:40.35%;top:9.3%;width:33%;height:82.4%;object-fit:fill;transform:perspective(750px) rotateY(5deg) rotate(-1.9deg);filter:drop-shadow(4px 6px 8px rgba(0,40,20,.30));border-radius:2px}
.bk-cover[src$=".svg"]{object-fit:cover}/* SVG subject placeholders (400x300) letterbox under fill; cover seats them fully */
/* Content section */
.book-card .card-body{padding:26px 26px 24px;gap:12px;position:relative}
.book-card .subj-tag{font-size:13.5px;padding:6px 13px;border-radius:24px}
.book-card .card-body h3{font-size:21px;font-weight:800;color:#0F172A;line-height:1.3}
.bk-tags{display:flex;gap:6px;flex-wrap:wrap;margin:0}
.bk-tag{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:700}
.bk-tag.t-class{background:#D1FAE5;color:#047857}
.bk-tag.t-subj{background:#DBEAFE;color:#2563EB}
.bk-tag.t-med{background:#F3E8FF;color:#7C3AED}
.bk-tag.t-board{background:#FEF3C7;color:#92400E}
.bk-board{margin:0;font-size:13px;font-weight:700;color:#475569}
.book-card .card-desc{font-size:15px;color:#64748B;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.book-card .actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.book-card .btn-open{background:linear-gradient(135deg,#00A878,#047857);padding:13px 28px;font-size:15.5px;border-radius:50px;box-shadow:0 12px 30px rgba(0,168,120,.25);border:0;font-family:inherit;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.book-card .btn-open:hover{background:linear-gradient(135deg,#00B386,#047857);transform:scale(1.03);box-shadow:0 16px 40px rgba(0,168,120,.35)}
.bk-better{margin-left:auto;display:inline-flex;flex-direction:column;align-items:center;gap:1px;color:#047857;font-size:11px;font-weight:700;font-style:italic;line-height:1.2;opacity:.85;text-align:center}
/* Book grids get roomier 3-column layout (blog grid untouched) */
.featured-grid,.books-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.featured-grid,.books-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.featured-grid,.books-grid{grid-template-columns:1fr}.book-card .card-body{padding:18px}.book-card .card-body h3{font-size:19px}.book-card .card-desc{font-size:14.5px}}