:root{--evidya-primary:#4f46e5;--evidya-primary-dark:#3730a3;--evidya-secondary:#0ea5e9;--evidya-success:#16a34a;--evidya-success-bg:#dcfce7;--evidya-danger:#dc2626;--evidya-danger-bg:#fee2e2;--evidya-warning:#f59e0b;--evidya-text:#1f2937;--evidya-text-muted:#6b7280;--evidya-border:#e5e7eb;--evidya-bg:#f8f9fc;--evidya-card-bg:#fff;--evidya-radius:10px;--evidya-radius-sm:6px;--evidya-shadow:0 2px 8px rgba(0,0,0,.06);--evidya-shadow-hover:0 6px 18px rgba(0,0,0,.10);--evidya-container:1200px;--evidya-font:-apple-system , BlinkMacSystemFont , "Segoe UI" , Roboto , "Helvetica Neue" , Arial , sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family: var(--evidya-font);color:var(--evidya-text);background:var(--evidya-bg);margin:0;line-height:1.6;font-size:16px}img{max-width:100%;height:auto;display:block}a{color:var(--evidya-primary);text-decoration:none}a:hover{color:var(--evidya-primary-dark)}ul{margin:0;padding:0}h1,h2,h3,h4,h5,h6{margin:0 0 .5em;line-height:1.3;font-weight:700}.evidya-container{max-width:var(--evidya-container);margin:0 auto;padding:0 16px}.screen-reader-text{position:absolute!important;left:-9999px}.evidya-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:var(--evidya-radius-sm);background:var(--evidya-primary);color:#fff;font-weight:600;font-size:14px;border:none;cursor:pointer;transition:background .15s ease , transform .1s ease}.evidya-btn:hover{background:var(--evidya-primary-dark);color:#fff}.evidya-btn--outline{background:transparent;color:var(--evidya-primary);border:1px solid var(--evidya-primary)}.evidya-btn--outline:hover{background:var(--evidya-primary);color:#fff}.evidya-btn--ghost{background:var(--evidya-bg);color:var(--evidya-text);border:1px solid var(--evidya-border)}.evidya-btn--ghost:hover{background:#eef0f5}.evidya-btn--sm{padding:6px 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rgba(255,255,255,.6)}.evidya-btn--hero-outline:hover{background:rgba(255,255,255,.15);color:#fff}.evidya-hero-stats{display:flex;justify-content:center;gap:40px;margin-top:28px;flex-wrap:wrap}.evidya-hero-stat{text-align:center;color:#fff}.evidya-hero-stat strong{display:block;font-size:28px;font-weight:800;line-height:1.2}.evidya-hero-stat span{font-size:13px;opacity:.85;text-transform:uppercase;letter-spacing:.04em}@media (max-width:480px){.evidya-hero-stats{gap:24px}.evidya-hero-stat strong{font-size:22px}}.evidya-footer__social{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}.evidya-footer__social a{font-size:13px;font-weight:600}.evidya-section{padding:40px 16px}.evidya-section__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:8px}.evidya-section__head h2{font-size:24px}.evidya-section__head .evidya-section__link{font-weight:600;font-size:14px}.evidya-subjects-block{padding:40px 16px}.evidya-subject-group{margin-bottom:36px}.evidya-subject-group__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--evidya-border)}.evidya-subject-group__head h2{font-size:20px;display:flex;align-items:center;gap:10px;color:var(--evidya-primary-dark)}.evidya-subject-group__head h2::before{content:"";width:8px;height:22px;background:var(--evidya-primary);border-radius:3px;display:inline-block}.evidya-subject-group__view-all{font-size:13px;font-weight:600}.evidya-topics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media (max-width:599px){.evidya-topics-grid{grid-template-columns:1fr}}.evidya-ribbon-card{--ribbon-color:#4f46e5;display:flex;align-items:center;justify-content:space-between;background:var(--ribbon-color);border-radius:4px;overflow:hidden;min-height:60px;box-shadow:var(--evidya-shadow);transition:transform .15s ease , box-shadow .15s ease}.evidya-ribbon-card:hover{transform:translateY(-2px);box-shadow:var(--evidya-shadow-hover)}.evidya-ribbon-card__title{color:#fff;font-weight:800;text-transform:uppercase;font-size:14px;letter-spacing:.02em;padding:14px 16px;line-height:1.3}.evidya-ribbon-card__badge-wrap{flex-shrink:0;width:90px;height:60px;background:#fff;clip-path:polygon(35% 0,100% 0,100% 100%,0% 100%);display:flex;align-items:center;justify-content:center}.evidya-ribbon-card__badge{width:44px;height:44px;border-radius:50%;border:2px solid var(--ribbon-color);color:var(--ribbon-color);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;letter-spacing:.03em}@media 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var(--evidya-border);border-radius:var(--evidya-radius);padding:20px;box-shadow:var(--evidya-shadow)}.evidya-mcq-block__question{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;gap:10px}.evidya-mcq-block__qno{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--evidya-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}.evidya-mcq-options{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.evidya-mcq-option{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--evidya-border);border-radius:var(--evidya-radius-sm);cursor:pointer;background:#fff;font-size:14.5px;transition:border-color .12s ease , background .12s ease}.evidya-mcq-option:hover{border-color:var(--evidya-primary);background:#f5f6ff}.evidya-mcq-option__label{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--evidya-border);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:var(--evidya-bg)}.evidya-mcq-option.is-correct{background:var(--evidya-success-bg);border-color:var(--evidya-success);color:#14532d}.evidya-mcq-option.is-correct .evidya-mcq-option__label{background:var(--evidya-success);color:#fff;border-color:var(--evidya-success)}.evidya-mcq-option.is-wrong{background:var(--evidya-danger-bg);border-color:var(--evidya-danger);color:#7f1d1d}.evidya-mcq-option.is-wrong .evidya-mcq-option__label{background:var(--evidya-danger);color:#fff;border-color:var(--evidya-danger)}.evidya-mcq-feedback{font-weight:700;font-size:14px;margin-bottom:14px;display:none;padding:8px 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span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;border-radius:var(--evidya-radius-sm);border:1px solid var(--evidya-border);background:#fff;font-size:14px;font-weight:600;color:var(--evidya-text)}.evidya-pagination .current{background:var(--evidya-primary);color:#fff;border-color:var(--evidya-primary)}.evidya-pagination a:hover{border-color:var(--evidya-primary);color:var(--evidya-primary)}.evidya-breadcrumbs{padding:14px 0;font-size:13px}.evidya-breadcrumbs ol{list-style:none;display:flex;gap:6px;flex-wrap:wrap;padding:0}.evidya-breadcrumbs li:not(:last-child)::after {content:"›";margin-left:6px;color:var(--evidya-text-muted)}.evidya-breadcrumbs li{color:var(--evidya-text-muted)}.evidya-breadcrumbs a{color:var(--evidya-text-muted)}.evidya-breadcrumbs a:hover{color:var(--evidya-primary)}.evidya-single-wrap{padding:24px 16px 50px}.evidya-single-card{background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);padding:24px;box-shadow:var(--evidya-shadow);margin-bottom:24px}.evidya-share-buttons{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:16px 0}.evidya-share-buttons .share-label{font-weight:700;font-size:13px;margin-right:4px}.share-btn{font-size:12px;font-weight:600;padding:6px 12px;border-radius:50px;border:1px solid var(--evidya-border);background:#fff;cursor:pointer;color:var(--evidya-text)}.share-btn:hover{border-color:var(--evidya-primary);color:var(--evidya-primary)}.evidya-similar-block{margin-top:30px}.evidya-similar-block h3{font-size:18px;margin-bottom:14px}.evidya-practice-setup{max-width:640px;margin:0 auto}.evidya-practice-step{margin-bottom:24px}.evidya-practice-step label{display:block;font-weight:700;margin-bottom:8px}.evidya-practice-step select,.evidya-practice-step input[type="text"]{width:100%;padding:10px 14px;border:1px solid var(--evidya-border);border-radius:var(--evidya-radius-sm);font-size:14px;background:#fff}.evidya-timer-options{display:flex;gap:10px;flex-wrap:wrap}.evidya-timer-options label{font-weight:500;display:flex;align-items:center;gap:6px;border:1px solid var(--evidya-border);padding:8px 14px;border-radius:50px;cursor:pointer}.evidya-timer-options input{margin:0}.evidya-session-bar{display:flex;justify-content:space-between;align-items:center;background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);padding:14px 18px;margin-bottom:18px;position:sticky;top:70px;z-index:10}.evidya-session-timer{font-weight:800;font-size:18px;color:var(--evidya-primary)}.evidya-results-card{text-align:center;padding:30px}.evidya-results-score{font-size:42px;font-weight:800;color:var(--evidya-primary)}.evidya-results-grid{display:flex;gap:20px;justify-content:center;margin:20px 0;flex-wrap:wrap}.evidya-results-stat{background:var(--evidya-bg);border-radius:var(--evidya-radius);padding:16px 24px;min-width:120px}.evidya-results-stat strong{display:block;font-size:24px}.evidya-results-stat.correct strong{color:var(--evidya-success)}.evidya-results-stat.wrong strong{color:var(--evidya-danger)}#evidya-practice-restart{margin-top:10px}.evidya-mcq-option.is-selected{background:#eef0ff;border-color:var(--evidya-primary)}.evidya-mcq-option.is-selected .evidya-mcq-option__label{background:var(--evidya-primary);color:#fff;border-color:var(--evidya-primary)}.evidya-session-nav{display:flex;justify-content:space-between;gap:10px;margin-top:16px}.evidya-session-nav .evidya-btn:disabled{opacity:.5;cursor:not-allowed}.evidya-jumplist{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.evidya-jump-btn{width:36px;height:36px;border-radius:var(--evidya-radius-sm);border:1px solid var(--evidya-border);background:#fff;font-weight:700;font-size:13px;cursor:pointer;color:var(--evidya-text)}.evidya-jump-btn.is-answered{background:var(--evidya-success-bg);border-color:var(--evidya-success);color:var(--evidya-success)}.evidya-jump-btn.is-current{outline:2px solid var(--evidya-primary)}.evidya-session-progress{font-weight:700;font-size:14px}.evidya-paper-card{background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);padding:18px;box-shadow:var(--evidya-shadow);position:relative}.evidya-badge{display:inline-block;font-size:11px;font-weight:800;text-transform:uppercase;padding:3px 10px;border-radius:50px;letter-spacing:.04em}.evidya-badge--free{background:var(--evidya-success-bg);color:var(--evidya-success)}.evidya-badge--premium{background:#fef3c7;color:#b45309}.evidya-paywall{text-align:center;padding:40px 20px;background:var(--evidya-bg);border-radius:var(--evidya-radius);border:1px dashed var(--evidya-border)}.evidya-paywall h3{margin-bottom:8px}.evidya-paywall-price{font-size:28px;font-weight:800;color:var(--evidya-primary);margin:10px 0}.evidya-paywall-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}.evidya-auth-wrap{max-width:420px;margin:40px auto}.evidya-auth-card{background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);padding:30px;box-shadow:var(--evidya-shadow)}.evidya-auth-card h2{text-align:center;margin-bottom:20px}.evidya-form-row{margin-bottom:16px}.evidya-form-row label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}.evidya-form-row input{width:100%;padding:10px 14px;border:1px solid var(--evidya-border);border-radius:var(--evidya-radius-sm);font-size:14px}.evidya-form-error{background:var(--evidya-danger-bg);color:var(--evidya-danger);padding:10px 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auto}.evidya-article__title{font-size:28px;margin-bottom:10px}.evidya-article__meta{font-size:13px;color:var(--evidya-text-muted);margin-bottom:20px}.evidya-article__content{font-size:16px;line-height:1.8}.evidya-article__content img{border-radius:var(--evidya-radius)}.evidya-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width:991px){.evidya-blog-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:599px){.evidya-blog-grid{grid-template-columns:1fr}}.evidya-blog-card{background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);overflow:hidden;box-shadow:var(--evidya-shadow)}.evidya-blog-card__body{padding:16px}.evidya-blog-card h3{font-size:16px}.evidya-comments{margin-top:24px;padding-top:20px;border-top:1px solid var(--evidya-border);max-width:100%;overflow-x:hidden}.evidya-comments__title{font-size:18px;margin-bottom:16px}.evidya-comment-list,.evidya-comment-list ul.children{list-style:none;margin:0;padding:0}.evidya-comment-list>li{margin-bottom:14px}.evidya-comment-list ul.children{margin-top:14px;padding-left:16px;border-left:2px solid var(--evidya-border)}@media (max-width:480px){.evidya-comment-list ul.children{padding-left:10px}}.evidya-comment-list .comment-body{background:var(--evidya-card-bg);border:1px solid var(--evidya-border);border-radius:var(--evidya-radius);padding:14px 16px;box-shadow:var(--evidya-shadow);max-width:100%;overflow-wrap:break-word;word-break:break-word}.evidya-comment-list .comment-author{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;margin-bottom:4px}.evidya-comment-list .comment-author .avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0}.evidya-comment-list .comment-author .fn{font-style:normal}.evidya-comment-list .comment-metadata{font-size:12px;color:var(--evidya-text-muted);margin-bottom:8px}.evidya-comment-list .comment-metadata a{color:var(--evidya-text-muted)}.evidya-comment-list .comment-content{font-size:14px;line-height:1.6;max-width:100%;overflow-wrap:break-word;word-break:break-word}.evidya-comment-list .comment-content p{margin:0 0 .6em}.evidya-comment-list .comment-content img,.evidya-comment-list .comment-content iframe{max-width:100%;height:auto}.evidya-comment-list .reply{margin-top:8px}.evidya-comment-list .reply a,.evidya-comment-list .comment-reply-link{display:inline-block;font-size:12px;font-weight:700;color:var(--evidya-primary);border:1px solid var(--evidya-primary);border-radius:50px;padding:4px 12px}.evidya-comment-list .reply a:hover,.evidya-comment-list .comment-reply-link:hover{background:var(--evidya-primary);color:#fff}.evidya-comments-closed{font-size:14px;color:var(--evidya-text-muted);font-style:italic}#commentform{max-width:100%}#commentform p{margin:0 0 14px}#commentform label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}#commentform input[type="text"],#commentform input[type="email"],#commentform input[type="url"],#commentform textarea{width:100%;max-width:100%;box-sizing:border-box;padding:10px 14px;border:1px solid var(--evidya-border);border-radius:var(--evidya-radius-sm);font-size:14px;font-family:inherit}#commentform textarea{resize:vertical;min-height:100px}#commentform .comment-form-cookies-consent{display:flex;align-items:center;gap:8px}#commentform .comment-form-cookies-consent input{width:auto}#commentform #submit{cursor:pointer}.evidya-comments .evidya-pagination{margin-top:16px}@media (max-width:768px){.evidya-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--evidya-border)}.evidya-nav.is-open{display:block}.evidya-nav ul{flex-direction:column;gap:0;padding:10px 16px}.evidya-nav li{border-bottom:1px solid var(--evidya-border)}.evidya-nav a{display:block;padding:12px 0}.evidya-menu-toggle{display:block}.evidya-header__inner{position:relative}}