:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--navy:#0b1f4d;--navy-dark:#071633;--navy-light:#17356f;--gold:#f4b942;--gold-dark:#d99a16;--gold-light:#fff5d6;--white:#fff;--background:#f8faff;--text-dark:#172033;--text-gray:#64748b;--border:#e2e8f0}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--background);color:var(--text-dark);font-family:Arial,Helvetica,sans-serif}.navbar{background:var(--navy);z-index:1000;justify-content:space-between;align-items:center;width:100%;min-height:72px;padding:0 7%;display:flex;position:sticky;top:0;box-shadow:0 3px 15px #07163333}.logo{color:var(--white);letter-spacing:.3px;font-size:24px;font-weight:700}.logo:first-letter{color:var(--gold)}.nav-links{align-items:center;gap:30px;display:flex}.nav-links a{color:var(--white);font-size:16px;font-weight:500;text-decoration:none;transition:all .25s}.nav-links a:hover{color:var(--gold)}.login-btn{background:var(--gold);color:var(--navy-dark);cursor:pointer;border:none;border-radius:8px;padding:11px 23px;font-size:15px;font-weight:700;transition:all .25s}.login-btn:hover{background:#ffd36a;transform:translateY(-1px)}.hero{text-align:center;background:radial-gradient(circle at 0 0,#e9f0ff 0%,#0000 35%),linear-gradient(135deg,#fff 0%,#f3f7ff 100%);justify-content:center;align-items:center;min-height:560px;padding:80px 20px;display:flex}.hero-content{max-width:850px}.hero h1{color:var(--navy-dark);margin-bottom:24px;font-size:58px;font-weight:800;line-height:1.15}.hero h1 span{color:var(--gold-dark)}.hero p{max-width:720px;color:var(--text-gray);margin:0 auto 35px;font-size:19px;line-height:1.7}.hero-buttons{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;display:flex}.primary-btn,.secondary-btn{cursor:pointer;border-radius:8px;padding:14px 27px;font-size:16px;font-weight:600;transition:all .25s}.primary-btn{border:2px solid var(--navy);background:var(--navy);color:var(--white)}.primary-btn:hover{background:var(--navy-light);transform:translateY(-2px)}.secondary-btn{border:2px solid var(--navy);background:var(--white);color:var(--navy)}.secondary-btn:hover{background:var(--gold-light);border-color:var(--gold-dark);transform:translateY(-2px)}.features{background:var(--white);text-align:center;padding:80px 7%}.features h2{color:var(--navy-dark);margin-bottom:45px;font-size:34px}.feature-container{grid-template-columns:repeat(3,1fr);gap:25px;max-width:1100px;margin:auto;display:grid}.feature-card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:35px 25px;transition:all .3s;box-shadow:0 8px 25px #0b1f4d14}.feature-card:hover{border-color:var(--gold);transform:translateY(-7px);box-shadow:0 12px 30px #0b1f4d21}.feature-card h3{color:var(--navy);margin-bottom:15px;font-size:21px}.feature-card p{color:var(--text-gray);line-height:1.6}@media (width<=768px){.navbar{padding:0 5%}.logo{font-size:20px}.nav-links{gap:12px}.nav-links a{display:none}.hero{min-height:500px;padding:60px 20px}.hero h1{font-size:40px}.hero p{font-size:17px}.feature-container{grid-template-columns:1fr}.features{padding:60px 5%}.features h2{font-size:28px}}@media (width<=450px){.hero h1{font-size:34px}.hero-buttons{flex-direction:column}.primary-btn,.secondary-btn{width:100%;max-width:280px}.login-btn{padding:9px 16px}}.notes-section{text-align:center;background:#f7f9fc;padding:80px 8%}.section-heading h2{color:#0b1f4b;margin-bottom:12px;font-size:38px}.section-heading p{color:#64748b;margin-bottom:45px;font-size:18px}.notes-container{grid-template-columns:repeat(3,1fr);gap:28px;max-width:1200px;margin:0 auto;display:grid}.note-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:30px 25px;transition:all .3s;box-shadow:0 8px 25px #0b1f4b14}.note-card:hover{transform:translateY(-6px);box-shadow:0 15px 35px #0b1f4b26}.note-icon{margin-bottom:15px;font-size:38px}.note-card h3{color:#0b1f4b;margin-bottom:10px;font-size:22px}.note-card p{color:#64748b;margin-bottom:25px;font-size:16px}.note-bottom{justify-content:space-between;align-items:center;display:flex}.note-price{color:#d99a00;font-size:22px;font-weight:700}.note-btn{color:#fff;cursor:pointer;background:#0b1f4b;border:none;border-radius:7px;padding:10px 16px;font-size:14px;font-weight:600;transition:all .2s}.note-btn:hover{color:#0b1f4b;background:#d99a00}.view-all-btn{color:#0b1f4b;cursor:pointer;background:#d99a00;border:none;border-radius:8px;margin-top:45px;padding:14px 30px;font-size:16px;font-weight:700;transition:all .2s}.view-all-btn:hover{color:#fff;background:#0b1f4b}@media (width<=900px){.notes-container{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.notes-container{grid-template-columns:1fr}.notes-section{padding:60px 5%}}.login-page{background:#f5f7fc;justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:40px 20px;display:flex}.login-card{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:430px;padding:40px;box-shadow:0 10px 35px #081f4e1f}.login-logo{color:#0b1f4d;margin-bottom:25px;font-size:24px;font-weight:700}.login-logo span{color:#f5b82e}.login-card h1{color:#0b1f4d;margin-bottom:8px;font-size:30px}.login-subtitle{color:#64748b;margin-bottom:30px;font-size:15px}.input-group{text-align:left;margin-bottom:20px}.input-group label{color:#0b1f4d;margin-bottom:8px;font-weight:600;display:block}.input-group input{box-sizing:border-box;border:1px solid #d6dce8;border-radius:8px;outline:none;width:100%;padding:13px 14px;font-size:15px}.input-group input:focus{border-color:#0b1f4d;box-shadow:0 0 0 3px #0b1f4d14}.login-options{justify-content:space-between;align-items:center;margin-bottom:25px;font-size:14px;display:flex}.remember{color:#475569;align-items:center;gap:6px;display:flex}.login-options a,.register-text a{color:#c88a00;font-weight:600;text-decoration:none}.login-options a:hover,.register-text a:hover{text-decoration:underline}.login-button{color:#fff;cursor:pointer;background:#0b1f4d;border:none;border-radius:8px;width:100%;padding:14px;font-size:16px;font-weight:700;transition:all .2s}.login-button:hover{background:#142d67}.register-text{color:#64748b;margin-top:25px;font-size:14px}.notes-page{background:#f7f9fc;min-height:100vh;padding-bottom:80px}.notes-header{text-align:center;padding:70px 20px 35px}.notes-header h1{color:#0b1f4d;margin-bottom:12px;font-size:44px}.notes-header p{color:#64748b;margin-bottom:30px;font-size:18px}.notes-search{max-width:600px;margin:0 auto}.notes-search input{background:#fff;border:1px solid #d8deea;border-radius:10px;outline:none;width:100%;padding:16px 20px;font-size:16px;box-shadow:0 5px 20px #0b1f4d0f}.notes-search input:focus{border-color:#0b1f4d;box-shadow:0 0 0 3px #0b1f4d14}.notes-categories{flex-wrap:wrap;justify-content:center;gap:12px;max-width:1200px;margin:0 auto 45px;padding:0 20px;display:flex}.notes-categories button{color:#0b1f4d;cursor:pointer;background:#fff;border:1px solid #d5dce8;border-radius:20px;padding:10px 18px;font-size:14px;font-weight:600;transition:all .2s}.notes-categories button:hover{background:#fff5d6;border-color:#f4b942}.notes-categories .category-active{color:#fff;background:#0b1f4d;border-color:#0b1f4d}.all-notes{grid-template-columns:repeat(3,1fr);gap:28px;max-width:1200px;margin:auto;padding:0 20px;display:grid}@media (width<=900px){.all-notes{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.notes-header{padding-top:50px}.notes-header h1{font-size:34px}.all-notes{grid-template-columns:1fr}}.note-details-page{background:#f7f9fc;min-height:100vh;padding:60px 20px 80px}.details-card{background:#fff;border-radius:18px;max-width:850px;margin:0 auto;padding:45px;box-shadow:0 10px 35px #0b1f4d1a}.back-link{color:#0b1f4d;margin-bottom:30px;font-weight:600;text-decoration:none;display:inline-block}.back-link:hover{color:#c88a00}.details-icon{background:#fff5d6;border-radius:15px;justify-content:center;align-items:center;width:75px;height:75px;margin-bottom:18px;font-size:38px;display:flex}.details-badge{color:#fff;background:#0b1f4d;border-radius:20px;margin-bottom:15px;padding:6px 12px;font-size:13px;font-weight:600;display:inline-block}.details-card h1{color:#0b1f4d;margin:5px 0 10px;font-size:38px}.details-subject{color:#c88a00;margin-bottom:20px;font-size:18px;font-weight:700}.details-description{color:#64748b;font-size:17px;line-height:1.7}.details-content{margin-top:35px}.details-content h2{color:#0b1f4d;margin-bottom:18px;font-size:24px}.details-content ul{padding:0;list-style:none}.details-content li{color:#475569;border-bottom:1px solid #eef1f6;padding:10px 0;font-size:16px}.purchase-box{background:#f7f9fc;border-radius:12px;justify-content:space-between;align-items:center;margin-top:35px;padding:22px;display:flex}.price-label{color:#64748b;font-size:14px;display:block}.details-price{color:#0b1f4d;font-size:30px;font-weight:800}.buy-button{color:#0b1f4d;cursor:pointer;background:#d99a00;border:none;border-radius:8px;padding:14px 32px;font-size:16px;font-weight:700;transition:all .2s}.buy-button:hover{color:#fff;background:#0b1f4d}@media (width<=600px){.details-card{padding:28px 22px}.details-card h1{font-size:30px}.purchase-box{flex-direction:column;align-items:stretch;gap:20px}.buy-button{text-align:center;text-decoration:none;display:inline-block}}.checkout-page{background:#f7f9fc;min-height:100vh;padding:60px 20px 80px}.checkout-container{max-width:1000px;margin:0 auto}.checkout-container h1{color:#0b1f4d;margin:25px 0 5px;font-size:40px}.checkout-subtitle{color:#64748b;margin-bottom:35px;font-size:17px}.checkout-grid{grid-template-columns:1.4fr 1fr;gap:25px;display:grid}.checkout-form,.order-summary{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 30px #0b1f4d14}.checkout-form h2,.order-summary h2{color:#0b1f4d;margin-top:0;margin-bottom:25px}.checkout-form label{color:#334155;margin-top:18px;margin-bottom:7px;font-weight:600;display:block}.checkout-form input{box-sizing:border-box;border:1px solid #d7deea;border-radius:8px;outline:none;width:100%;padding:13px 14px;font-size:15px}.checkout-form input:focus{border-color:#0b1f4d}.continue-button{color:#0b1f4d;cursor:pointer;background:#d99a00;border:none;border-radius:8px;width:100%;margin-top:28px;padding:14px;font-size:16px;font-weight:700}.continue-button:hover{color:#fff;background:#0b1f4d}.order-summary{height:fit-content}.order-icon{background:#fff5d6;border-radius:12px;justify-content:center;align-items:center;width:65px;height:65px;margin-bottom:18px;font-size:32px;display:flex}.order-summary h3{color:#0b1f4d;margin-bottom:8px;font-size:22px}.order-summary p{color:#64748b;margin-bottom:25px}.summary-line{color:#475569;border-bottom:1px solid #eef1f6;justify-content:space-between;padding:14px 0;display:flex}.summary-line strong{color:#0b1f4d}.total-line{border-bottom:none;font-size:20px;font-weight:700}.total-line strong{color:#d18f00}@media (width<=700px){.checkout-grid{grid-template-columns:1fr}.checkout-container h1{font-size:32px}.checkout-form,.order-summary{padding:22px}}.payment-page{background:#f5f7fc;min-height:100vh;padding:50px 8%}.payment-page .back-link{color:#0b2458;margin-bottom:35px;font-weight:600;text-decoration:none;display:inline-block}.payment-header{text-align:center;margin-bottom:40px}.payment-header h1{color:#0b2458;margin:0;font-size:42px}.payment-header p{color:#60708f;margin-top:10px;font-size:18px}.payment-container{grid-template-columns:1.2fr .8fr;gap:30px;max-width:950px;margin:auto;display:grid}.payment-card,.payment-summary{background:#fff;border-radius:18px;padding:35px;box-shadow:0 10px 30px #0b245814}.payment-card h2,.payment-summary h2{color:#0b2458;margin-top:0;margin-bottom:25px}.payment-option{color:#0b2458;text-align:left;cursor:pointer;background:#fff;border:1px solid #d7deeb;border-radius:10px;width:100%;margin-bottom:15px;padding:18px;font-size:17px;font-weight:600}.payment-option:hover{background:#fffaf0;border-color:#e5a400}.payment-summary h3{color:#0b2458;margin-top:25px;font-size:22px}.payment-summary p{color:#60708f}.payment-total{border-top:1px solid #e1e5ed;justify-content:space-between;align-items:center;margin-top:30px;padding-top:20px;font-size:18px;display:flex}.payment-total strong{color:#e5a400;font-size:24px}.pay-button{color:#071a43;cursor:pointer;background:#e5a400;border:none;border-radius:10px;width:100%;margin-top:25px;padding:16px;font-size:18px;font-weight:700}.pay-button:hover{background:#f2b51b}@media (width<=768px){.payment-page{padding:30px 20px}.payment-header h1{font-size:34px}.payment-container{grid-template-columns:1fr}.payment-card,.payment-summary{padding:25px}}.payment-option.selected{background:#fff8df;border:2px solid #e5a400}
