:root{--gold:#c99700;--gold-dark:#9b7400;--gold-light:#fff8df;--gold-border:#e7cf83;--green:#16803c;--green-light:#eaf8ef;--green-border:#9ed4af;--red:#c62828;--red-light:#fff0f0;--red-border:#efaaaa;--text:#17191c;--text-2:#4b5563;--text-3:#737b87;--bg:#f7f8fa;--white:#fff;--border:#e3e7eb;--shadow-sm:0 2px 8px rgba(15,23,42,.05);--shadow-md:0 10px 30px rgba(15,23,42,.08);--radius:16px;--radius-lg:22px;--max-width:1180px}*{box-sizing:border-box}html{margin:0;padding:0;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text);font-family:"Noto Sans Telugu","Noto Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button:focus-visible{outline:rgba(201,151,0,.25) solid 3px;outline-offset:3px}img{display:block;max-width:100%}[hidden]{display:none!important}.app-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.header-inner{width:min(calc(100% - 32px),var(--max-width));min-height:76px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{appearance:none;border:0;background:0 0;margin:0;padding:4px;display:flex;align-items:center;gap:12px;color:var(--text);text-align:left;cursor:pointer}.brand-logo{width:50px;height:50px;flex:0 0 50px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--gold-border);border-radius:13px;background:#fff}.brand-logo img{width:100%;height:100%;object-fit:contain;padding:4px}.brand-text{display:flex;flex-direction:column}.brand-title{font-size:19px;line-height:1.25;font-weight:850}.brand-subtitle{margin-top:2px;color:var(--text-3);font-size:12px;line-height:1.3}.release-status{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:6px 13px;border:1px solid var(--gold-border);border-radius:999px;background:#fffdf6;color:var(--gold-dark);font-size:12px;font-weight:750}.release-status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}.main-container{width:min(calc(100% - 32px),var(--max-width));margin:0 auto;padding:42px 0 70px}.hero-card{min-height:230px;display:flex;align-items:center;justify-content:space-between;gap:35px;padding:42px;border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(circle at 90% 10%,rgba(201,151,0,.11),transparent 30%),var(--white);box-shadow:var(--shadow-sm)}.hero-content{max-width:780px}.eyebrow,.section-kicker{display:block;margin-bottom:9px;color:var(--gold-dark);font-size:11px;line-height:1.4;font-weight:850;letter-spacing:.1em}.hero-content h1{margin:0;color:var(--text);font-size:clamp(34px,5vw,56px);line-height:1.2;letter-spacing:-.03em;font-weight:850}.hero-content p{max-width:700px;margin:17px 0 0;color:var(--text-2);font-size:16px;line-height:1.9}.today-badge{flex:0 0 auto;min-width:150px;display:flex;align-items:center;justify-content:center;padding:18px 20px;border:1px solid var(--gold-border);border-radius:16px;background:var(--gold-light);color:var(--gold-dark);font-size:14px;font-weight:800;text-align:center}.course-days-section{margin-top:45px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{margin:0;font-size:30px;line-height:1.35;font-weight:820}.section-heading p{margin:7px 0 0;color:var(--text-3);font-size:13px}.days-count{flex:0 0 auto;padding:7px 13px;border:1px solid var(--border);border-radius:999px;background:var(--white);color:var(--text-2);font-size:12px;font-weight:750}.day-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:11px;padding:22px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--shadow-sm)}.day-button{position:relative;appearance:none;width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;padding:6px;border:1px solid var(--border);border-radius:12px;background:#f8f9fa;color:#a1a7af;font-size:14px;font-weight:800;transition:transform 160ms,border-color 160ms,background 160ms,color 160ms,box-shadow 160ms}.day-button.available{border-color:var(--gold-border);background:#fffdf6;color:var(--gold-dark);cursor:pointer}.day-button.available:hover{transform:translateY(-2px);border-color:var(--gold);background:var(--gold-light);box-shadow:0 7px 18px rgba(201,151,0,.14)}.day-button.current{border-color:var(--gold);background:var(--gold);color:#fff;box-shadow:0 5px 17px rgba(201,151,0,.28)}.day-button.current:hover{transform:translateY(-2px);background:var(--gold-dark);border-color:var(--gold-dark)}.day-button.locked{cursor:not-allowed;border-color:#eceef1;background:#f4f5f6;color:#b8bdc4}.day-button.locked:after{content:"•";position:absolute;top:3px;right:6px;color:#c5c9cf;font-size:10px}.days-legend{display:flex;align-items:center;gap:18px;margin-top:14px;color:var(--text-3);font-size:12px}.legend-item{display:inline-flex;align-items:center;gap:7px}.legend-dot{width:9px;height:9px;border-radius:50%}.legend-dot.available{background:var(--gold)}.legend-dot.locked{background:#c9cdd2}.lesson-view{width:100%;max-width:1050px;margin:0 auto}.lesson-navigation{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.back-button{appearance:none;display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:7px 13px;border:1px solid var(--border);border-radius:10px;background:var(--white);color:var(--text-2);font-size:13px;font-weight:750;cursor:pointer}.back-button:hover{border-color:var(--gold-border);color:var(--gold-dark);background:#fffdf7}.lesson-day-badge{display:inline-flex;align-items:center;min-height:34px;padding:6px 12px;border:1px solid var(--gold-border);border-radius:999px;background:var(--gold-light);color:var(--gold-dark);font-size:12px;font-weight:850}.lesson-container{width:100%}.lesson-hero{padding:38px;border:1px solid var(--gold-border);border-radius:var(--radius-lg);background:radial-gradient(circle at 90% 5%,rgba(201,151,0,.1),transparent 30%),var(--white);box-shadow:var(--shadow-md)}.lesson-day-label{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--gold-light);color:var(--gold-dark);font-size:11px;font-weight:850}.lesson-title{max-width:900px;margin:15px 0 8px;color:var(--text);font-size:clamp(30px,5vw,50px);line-height:1.3;letter-spacing:-.025em;font-weight:850}.lesson-subtitle{margin:0;color:var(--text-2);font-size:15px;line-height:1.8}.content-section{margin-top:28px}.content-card{padding:26px;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow-sm)}.content-card h2{margin:0 0 12px;color:var(--text);font-size:23px;line-height:1.4;font-weight:820}.content-card p{margin:0;color:var(--text-2);font-size:15px;line-height:2}.lesson-text{white-space:pre-line}.examples-list{display:flex;flex-direction:column;gap:14px}.example-card{padding:20px 22px;border:1px solid var(--border);border-radius:14px;background:#fff}.example-number{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;margin-bottom:9px;border-radius:9px;background:var(--gold-light);color:var(--gold-dark);font-size:12px;font-weight:850}.example-card p{margin:0}.why-card{border-color:var(--gold-border);background:var(--gold-light)}.misunderstanding-card{border-color:var(--red-border);background:var(--red-light)}.misunderstanding-card h2{color:var(--red)}.reference-card{border-color:var(--gold-border);background:#fffdf7}.reference-group{margin-top:16px}.reference-group:first-child{margin-top:0}.reference-label{margin-bottom:6px;color:var(--gold-dark);font-size:12px;font-weight:850}.reference-list{margin:0;padding-left:20px;color:var(--text-2);font-size:14px;line-height:1.8}.mcqs-section{margin-top:32px}.mcqs-header{margin-bottom:16px}.mcqs-header h2{margin:0;color:var(--text);font-size:28px;line-height:1.4;font-weight:820}.mcqs-header p{margin:5px 0 0;color:var(--text-3);font-size:13px}.mcq-list{display:flex;flex-direction:column;gap:18px}.mcq-card{position:relative;padding:24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow-sm)}.mcq-number{display:inline-flex;margin-bottom:10px;color:var(--gold-dark);font-size:12px;font-weight:850}.mcq-question{margin:0 0 17px;padding-right:55px;color:var(--text);font-size:17px;line-height:1.8;font-weight:750}.mcq-options{display:flex;flex-direction:column;gap:9px}.mcq-option{width:100%;display:flex;align-items:flex-start;gap:11px;padding:13px 15px;border:1px solid var(--border);border-radius:12px;background:#fafbfc;color:var(--text-2);text-align:left;cursor:pointer;transition:background 160ms,border-color 160ms,transform 160ms}.mcq-option:hover:not(:disabled){transform:translateY(-1px);border-color:var(--gold-border);background:#fffdf6}.mcq-option:disabled{cursor:default}.mcq-option.correct{border-color:var(--green-border);background:var(--green-light);color:#125c2e}.mcq-option.wrong{border-color:var(--red-border);background:var(--red-light);color:#9f2020}.option-letter{width:27px;height:27px;flex:0 0 27px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#fff;border:1px solid var(--border);font-size:11px;font-weight:850}.mcq-feedback{margin-top:15px;padding:16px;border-radius:13px;background:#fafbfc;border:1px solid var(--border)}.mcq-feedback.correct{border-color:var(--green-border);background:var(--green-light)}.mcq-feedback.wrong{border-color:var(--red-border);background:var(--red-light)}.mcq-feedback-title{margin:0 0 5px;font-size:14px;font-weight:850}.mcq-feedback p{margin:0;color:var(--text-2);font-size:14px;line-height:1.8}.mcq-share-button{position:absolute;top:18px;right:18px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--gold-border);border-radius:11px;background:#fffdf6;color:var(--gold-dark);font-size:18px;cursor:pointer}.mcq-share-button:hover{background:var(--gold-light);border-color:var(--gold)}.mcq-share-button:disabled{opacity:.55;cursor:wait}.reflection-card{border-color:var(--gold-border);background:radial-gradient(circle at 90% 10%,rgba(201,151,0,.1),transparent 35%),#fff}.reflection-card p{font-size:17px;line-height:2;font-weight:650;color:var(--text)}.error-state,.loading-state{padding:45px 0}.error-card,.loading-card{max-width:560px;margin:0 auto;padding:38px;text-align:center;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--shadow-sm)}.loading-spinner{width:38px;height:38px;margin:0 auto 18px;border:4px solid var(--gold-light);border-top-color:var(--gold);border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-card h2,.loading-card h2{margin:0 0 8px;font-size:22px}.error-card p,.loading-card p{margin:0;color:var(--text-2);font-size:14px}.error-icon{width:44px;height:44px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--red-light);color:var(--red);font-size:22px;font-weight:850}.retry-button{margin-top:20px;padding:10px 18px;border:1px solid var(--gold-border);border-radius:10px;background:var(--gold);color:#fff;font-weight:750;cursor:pointer}.site-footer{border-top:1px solid var(--border);background:#fff}.footer-inner{width:min(calc(100% - 32px),var(--max-width));min-height:90px;margin:0 auto;display:flex;align-items:center}.footer-brand{display:flex;align-items:center;gap:11px;color:var(--text)}.footer-brand img{width:38px;height:38px;object-fit:contain}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-size:14px}.footer-brand span{margin-top:2px;color:var(--text-3);font-size:11px}.install-button{position:fixed;right:18px;bottom:18px;z-index:1200;display:flex;align-items:center;gap:10px;padding:10px 15px;border:1px solid var(--gold-border);border-radius:14px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.16);color:var(--text);cursor:pointer}.install-icon{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:var(--gold);color:#fff;font-size:20px;font-weight:800}.install-text{display:flex;flex-direction:column;text-align:left}.install-text strong{font-size:12px}.install-text small{margin-top:1px;color:var(--text-3);font-size:10px}@media(max-width:900px){.day-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.hero-card,.lesson-hero{padding:32px}}@media(max-width:680px){.header-inner{width:min(calc(100% - 20px),var(--max-width));min-height:68px}.brand-logo{width:44px;height:44px;flex-basis:44px}.brand-title{font-size:16px}.release-status{padding:5px 10px;font-size:11px}.main-container{width:min(calc(100% - 20px),var(--max-width));padding:25px 0 50px}.hero-card{min-height:auto;display:block;padding:25px}.hero-content h1{font-size:36px}.hero-content p{font-size:14px;line-height:1.85}.today-badge{margin-top:20px;width:100%;min-width:0}.section-heading{display:block}.days-count{display:inline-flex;margin-top:12px}.day-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;padding:13px;border-radius:17px}.day-button{border-radius:10px;font-size:12px}.days-legend{gap:12px;font-size:11px}.lesson-navigation{margin-bottom:12px}.lesson-hero{padding:25px;border-radius:18px}.lesson-title{font-size:30px;line-height:1.4}.content-card{padding:20px}.content-card h2{font-size:20px}.content-card p,.example-card p{font-size:14px;line-height:1.9}.mcq-card{padding:19px}.mcqs-header h2{font-size:24px}.mcq-question{font-size:15px;line-height:1.8;padding-right:50px}.mcq-option{padding:11px 12px;font-size:14px}.mcq-share-button{top:15px;right:15px;width:37px;height:37px;font-size:16px}.install-button{right:12px;bottom:12px}.footer-inner{min-height:78px}}@media(max-width:420px){.brand-subtitle,.release-status:before{display:none}.release-status{font-size:10px;padding:5px 8px}.day-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.hero-content h1{font-size:32px}.lesson-title{font-size:27px}.install-button{padding:9px 11px}.install-text small{display:none}}