:root{--bg-main:#0A0A0A;--bg-body:#0A0A0A;--bg-card:#171717;--bg-elevated:#1E1E1E;--primary:#D4AF37;--primary-hover:#C89B3C;--color-primary-light:rgba(212,175,55,0.12);--color-primary-glow:rgba(212,175,55,0.18);--text-main:#F5F5F5;--text-light:#C9C9C9;--text-muted:#8A8A8A;--border:rgba(255,255,255,0.08);--border-gold:rgba(212,175,55,0.25);--shadow-sm:0 1px 3px rgba(0,0,0,0.6);--shadow-md:0 4px 16px rgba(0,0,0,0.255);--shadow-card:0 4px 20px rgba(0,0,0,0.5);--shadow-card-hover:0 10px 35px rgba(212,175,55,0.18);--border-radius-sm:6px;--border-radius-md:12px;--border-radius-lg:18px;--border-radius-xl:24px;--transition-fast:0.15s ease-out;--transition-normal:0.3s ease-out;--max-width:1200px;--header-height:65px;--font-family:'Inter','Manrope','Sora','Poppins',system-ui,-apple-system,sans-serif;--font-mono:'Courier 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var(--transition-fast);display:flex;align-items:center;justify-content:center;margin-top:0;padding:0}.theme-toggle-btn:hover,#themeToggleBtn:hover{background-color:var(--color-primary-light);border-color:var(--primary)}.mobile-menu-btn{display:none;background:transparent;border:1.5px solid var(--border);color:var(--text-main);width:40px;height:40px;border-radius:var(--border-radius-sm);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast)}.mobile-nav{display:none;flex-direction:column;padding:12px 20px 16px;border-top:1px solid var(--border);background-color:var(--bg-card);gap:4px}.mobile-nav.is-open{display:flex}.mobile-nav-link{padding:12px 16px;border-radius:var(--border-radius-sm);font-size:0.95rem;font-weight:500;color:var(--text-light);text-decoration:none;transition:all var(--transition-fast);display:block}.mobile-nav-link:hover{background-color:var(--color-primary-light);color:var(--primary)}.hero-section{background:radial-gradient(circle at top,rgba(212,175,55,0.08),transparent 60%),linear-gradient(180deg,#0A0A0A,#111111);border-bottom:1px solid rgba(212,175,55,0.15);padding:70px 20px 50px;text-align:center;position:relative;overflow:hidden;content-visibility:auto;contain-intrinsic-size:1px 500px}.hero-content{position:relative;max-width:720px;margin:0 auto}.hero-badge{display:inline-block;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);color:#fff;padding:6px 16px;border-radius:999px;font-size:0.82rem;font-weight:500;letter-spacing:0.3px;margin-bottom:20px;backdrop-filter:blur(4px)}.hero-title{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;color:#ffffff;line-height:1.15;margin-bottom:16px;letter-spacing:-0.5px}.hero-highlight{background:linear-gradient(135deg,#D4AF37,#C89B3C);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 30px rgba(212,175,55,0.2)}.hero-subtitle{font-size:clamp(1rem,2.5vw,1.2rem);color:rgba(255,255,255,0.92);margin-bottom:30px;font-weight:400;max-width:560px;margin-left:auto;margin-right:auto}.hero-search-wrap{max-width:560px;margin:0 auto 20px}.search-box{display:flex;align-items:center;background:rgba(23,23,23,0.8);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:6px 16px 6px 20px;box-shadow:0 8px 32px rgba(0,0,0,0.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow var(--transition-normal),border-color var(--transition-normal)}.search-box:focus-within{box-shadow:0 0 25px rgba(212,175,55,0.25);border-color:var(--primary)}.search-icon{font-size:1.1rem;margin-right:10px;flex-shrink:0}#searchInput{flex:1;border:none;outline:none;font-family:var(--font-family);font-size:1rem;color:#fff;background:transparent;padding:10px 0;min-width:0}#searchInput::placeholder{color:#94a3b8}#searchInput:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.no-results-msg{color:#fca5a5;font-size:0.95rem;margin-top:12px}.hero-stats{max-width:400px;margin:36px auto 0;display:flex;align-items:center;justify-content:center;gap:0;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);border-radius:var(--border-radius-lg);padding:14px 24px;backdrop-filter:blur(4px)}.stat-item{flex:1;text-align:center}.stat-number{display:block;font-size:1.5rem;font-weight:800;color:#ffffff;line-height:1;margin-bottom:2px}.stat-label{font-size:0.75rem;color:rgba(255,255,255,0.65);text-transform:uppercase;letter-spacing:0.5px;font-weight:500}.stat-divider{width:1px;height:36px;background:rgba(255,255,255,0.2);flex-shrink:0}.section-header{text-align:center;margin-bottom:36px}.section-title{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700;color:var(--text-main);margin-bottom:8px;letter-spacing:-0.3px}.section-subtitle{color:var(--text-light);font-size:1rem;font-weight:400}.popular-section{max-width:var(--max-width);margin:0 auto;padding:60px 20px 40px}.popular-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.tool-card{background:#171717;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.06);border-radius:var(--border-radius-lg);padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-card);transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);position:relative;overflow:hidden;will-change:transform,box-shadow}.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-hover));opacity:0;transition:opacity var(--transition-normal)}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(212,175,55,0.35)}.tool-card:hover::before{opacity:1}.tool-card-icon{font-size:1.6rem;line-height:1;width:52px;height:52px;background:var(--color-primary-light);border-radius:var(--border-radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--transition-normal)}.tool-card:hover .tool-card-icon{background:var(--primary)}.tool-card-body{flex:1}.tool-card-title{font-size:1.1rem;font-weight:700;color:#ffffff;margin-bottom:8px;line-height:1.3}.tool-card-desc{font-size:0.88rem;color:#94a3b8;line-height:1.55;margin-bottom:10px}.tool-card-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:0.73rem;font-weight:600;background:rgba(255,255,255,0.05);color:var(--text-light);border:1px solid var(--border);letter-spacing:0.3px;text-transform:uppercase}.tool-card-btn{display:flex;align-items:center;justify-content:center;width:100%;text-align:center;padding:12px 20px;background:linear-gradient(135deg,#D4AF37,#C89B3C);color:#0A0A0A !important;font-weight:700;font-size:0.9rem;border-radius:10px;text-decoration:none;transition:0.2s;letter-spacing:0.2px;min-height:48px}.tool-card-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.tool-card-btn:hover{transform:translateY(-2px);color:#0A0A0A !important;box-shadow:0 10px 20px rgba(212,175,55,0.3)}.all-tools-section{background:var(--bg-main);padding:60px 20px}.calculator-categories-grid{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.calculator-category[data-category="financial"]{--cat-color:var(--primary)}.calculator-category[data-category="math"]{--cat-color:var(--primary)}.calculator-category[data-category="health"]{--cat-color:var(--primary)}.calculator-category[data-category="utility"]{--cat-color:var(--primary)}.calculator-category{background:var(--bg-card);border:1px solid var(--border);border-top:4px solid var(--cat-color,var(--primary));border-radius:var(--border-radius-lg);padding:24px;box-shadow:var(--shadow-card);transition:transform var(--transition-normal),box-shadow var(--transition-normal)}.calculator-category:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,0.4)}.category-icon{font-size:1.8rem;margin-bottom:12px;line-height:1;color:var(--cat-color,var(--primary))}.calculator-category h3{font-size:1.15rem;font-weight:700;color:var(--text-main);margin-bottom:16px;border-bottom:none;padding-bottom:0}.calculator-category ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.calculator-category li a{display:flex;align-items:center;padding:8px 10px;border-radius:var(--border-radius-sm);font-size:0.9rem;color:#e2e8f0;text-decoration:none;transition:all 0.2s ease;font-weight:500}.calculator-category li a::before{content:"\2022";color:var(--cat-color,var(--primary));margin-right:12px;font-size:1.2rem}.calculator-category li a:hover{background:rgba(255,255,255,0.03);color:var(--cat-color,var(--primary));padding-left:14px;text-shadow:0 0 8px rgba(255,255,255,0.25)}.blog-section{max-width:var(--max-width);margin:0 auto;padding:60px 20px}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:32px}.blog-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--border-radius-lg);padding:24px;display:flex;gap:16px;box-shadow:var(--shadow-card);transition:transform var(--transition-normal),box-shadow var(--transition-normal)}.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.blog-card-icon{font-size:2rem;flex-shrink:0;width:48px;height:48px;background:var(--color-primary-light);border-radius:var(--border-radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem}.blog-card-body{flex:1;min-width:0}.blog-tag{display:inline-block;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--primary);background:var(--color-primary-light);padding:2px 8px;border-radius:999px;margin-bottom:8px}.blog-card-title{font-size:0.97rem;font-weight:700;color:var(--text-main);margin-bottom:8px;line-height:1.4}.blog-card-excerpt{font-size:0.84rem;color:var(--text-light);line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.blog-read-more{font-size:0.85rem;font-weight:600;color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}.blog-read-more:hover{color:var(--primary-hover)}.blog-cta-wrap{text-align:center}.blog-cta-btn{display:inline-flex;align-items:center;padding:13px 32px;background:transparent;border:2px solid var(--primary);color:var(--primary);font-weight:600;font-size:0.95rem;border-radius:var(--border-radius-md);text-decoration:none;transition:all var(--transition-fast);min-height:44px}.blog-cta-btn:hover{background:var(--primary);color:#fff}.site-footer{background:#050505;border-top:1px solid var(--border-gold);color:var(--text-light);margin-top:auto}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:48px 20px 32px;display:grid;grid-template-columns:1fr 2fr;gap:48px}.footer-brand{max-width:280px}.footer-logo{font-size:1.25rem;font-weight:800;background:linear-gradient(135deg,#D4AF37,#C89B3C);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px}.footer-tagline{font-size:0.875rem;color:var(--text-muted);line-height:1.5}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.footer-col h4{font-size:0.85rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:14px}.footer-col a{display:block;font-size:0.875rem;color:var(--text-light);text-decoration:none;margin-bottom:8px;transition:all var(--transition-fast);padding:1px 0}.footer-col a:hover,.footer-col a:focus-visible{color:var(--primary);padding-left:2px}.footer-bottom{border-top:1px solid rgba(255,255,255,0.05);padding:16px 20px;text-align:center}.footer-bottom a{color:var(--text-muted);text-decoration:none;transition:color var(--transition-fast)}.footer-bottom a:hover{color:var(--primary)}.footer-bottom p{font-size:0.8rem;color:var(--text-muted)}.calculator-content{max-width:800px;margin:30px auto;padding:30px;background:var(--bg-card);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border)}.calculator-content h1{font-size:1.8rem;font-weight:700;color:var(--text-main);margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--color-primary-light)}.calculator-content h2{font-size:1.35rem;font-weight:600;color:var(--text-main);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}.calculator-content h2 small{font-size:0.72em;color:var(--text-muted);font-weight:400}.calculator-content .calculator-section{margin-bottom:30px}.calculator-content .calculator-section:last-child{margin-bottom:0}.calculator-content .input-group{margin-bottom:18px}.calculator-content label{display:block;margin-bottom:7px;font-weight:500;font-size:0.9rem;color:var(--text-light)}.calculator-content input[type="text"],.calculator-content input[type="number"],.calculator-content input[type="date"],.calculator-content select,.gst-group input,.gst-group select{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--border-radius-md);font-size:1rem;font-family:var(--font-family);background:var(--bg-card);color:var(--text-main);box-sizing:border-box;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);min-height:48px}.calculator-content input:focus,.calculator-content select:focus,.gst-group input:focus,.gst-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--color-primary-glow)}.calculator-content button,.btn-primary{display:block;width:100%;padding:13px 20px;background:linear-gradient(135deg,#D4AF37,#C89B3C);color:#0A0A0A !important;border:none;border-radius:var(--border-radius-md);font-size:1rem;font-weight:700;font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);min-height:48px;letter-spacing:0.2px}.calculator-content button:hover,.btn-primary:hover{opacity:0.95;box-shadow:0 4px 16px rgba(212,175,55,0.35);transform:translateY(-1px)}.calculator-content button:active,.btn-primary:active{transform:translateY(0);opacity:1}.calculator-content .secondary-button{background:var(--bg-card);color:var(--text-main);border:1.5px solid var(--border-gold);display:inline-block;width:auto;margin-right:8px;margin-bottom:8px}.calculator-content .secondary-button:hover{background:var(--bg-elevated);color:var(--primary);border-color:var(--primary);transform:none;box-shadow:none;opacity:1}.calculator-content .remove-course-button{background:#fee2e2;color:#dc2626;border:none;padding:8px 14px;border-radius:var(--border-radius-sm);font-size:0.9rem;cursor:pointer;min-height:38px;display:inline-block;width:auto;margin-top:0}.calculator-content .remove-course-button:hover{background:#fecaca;transform:none;box-shadow:none;opacity:1}.calculator-content #calculate-gpa,.calculator-content #calculateVolume,.calculator-content #calculateTrig,.calculator-content #performUnitConversion,.calculator-content #calculate-tax,.calculator-content #calculate-molar-mass,.calculator-content #calculate-stoichiometry,.calculator-content #calculate-regression-btn{width:100%;margin-bottom:20px}.calculator-content .result,.result{margin-top:20px;padding:20px;border:1.5px solid var(--border-gold);border-radius:var(--border-radius-md);font-weight:500;font-size:1rem;color:var(--text-main);background:rgba(212,175,55,0.06);box-shadow:0 4px 20px rgba(0,0,0,0.3),inset 0 1px 0 rgba(255,255,255,0.03);transition:all var(--transition-normal);line-height:1.6}.calculator-content .result.error,.result.error{border-color:rgba(239,68,68,0.35);background:rgba(239,68,68,0.08);color:#FFA3A3}.result p{margin:0 0 8px}.result p:last-child{margin-bottom:0}.result ul{margin:0;padding-left:20px}.result ul li{margin-bottom:5px}.calculator-content hr{border:0;border-top:1px solid var(--border);margin:24px 0}.breadcrumbs{background:rgba(17,17,17,0.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:10px 20px;border-bottom:1px solid var(--border);font-size:0.85rem}.breadcrumbs ul{list-style:none;max-width:var(--max-width);margin:0 auto;padding:0;display:flex;flex-wrap:wrap;gap:4px;align-items:center}.breadcrumbs li:not(:last-child)::after{content:'›';margin-left:8px;color:var(--text-muted)}.breadcrumbs a{color:var(--text-light);text-decoration:none}.breadcrumbs a:hover{color:var(--primary)}.google-style-calculator-container{padding:0;border:none;background:none;box-shadow:none}.google-style-calculator{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;max-width:400px;margin:20px auto;background-color:#171717;padding:15px;border-radius:var(--border-radius-xl);box-shadow:var(--shadow-md);border:1px solid rgba(212,175,55,0.15)}#calculator-history{grid-column:span 7;height:20px;text-align:right;color:#9aa0a6;font-size:0.8em;overflow:hidden;white-space:nowrap}#calculator-display-wrapper{grid-column:span 7;display:flex;align-items:center;justify-content:flex-end;height:60px;margin-bottom:10px;padding:0 10px;background-color:#0A0A0A;border:1px solid rgba(212,175,55,0.25);border-radius:var(--border-radius-md);color:#F5F5F5;font-size:1.6em;overflow-x:auto}#calculator-display{width:100%;background:none;border:none;color:inherit;font-size:inherit;text-align:right;padding:0;margin:0;font-family:var(--font-mono)}.google-style-calculator button{height:50px;font-size:1.1em;border:none;border-radius:50%;cursor:pointer;transition:background-color 0.1s ease,transform 0.05s;padding:0;margin:0;user-select:none;display:flex;align-items:center;justify-content:center}.google-style-calculator button:active{transform:scale(0.9)}.google-style-calculator .button-number,.google-style-calculator .button-decimal{background-color:#1A1A1A;color:#F5F5F5;border:1px solid rgba(255,255,255,0.05)}.google-style-calculator .button-number:hover,.google-style-calculator .button-decimal:hover{background-color:#262626;color:#D4AF37;border-color:rgba(212,175,55,0.35)}.google-style-calculator .button-operator{background-color:#222222;color:#D4AF37}.google-style-calculator .button-operator:hover{background-color:#2d2d2d}.google-style-calculator .button-clear{background-color:#222222;color:#D4AF37}.google-style-calculator .button-clear:hover{background-color:#2d2d2d}.google-style-calculator .button-equals{background:linear-gradient(135deg,#D4AF37,#C89B3C);color:#0A0A0A;font-weight:700}.google-style-calculator .button-equals:hover{box-shadow:0 0 15px rgba(212,175,55,0.4)}.google-style-calculator .button-function,.google-style-calculator .button-constant,.google-style-calculator .button-parenthesis,.google-style-calculator .button-ans,.google-style-calculator .button-toggle,.google-style-calculator .button-unit-toggle{background-color:#222222;color:#C9C9C9;font-size:0.9em;border:1px solid rgba(255,255,255,0.03)}.google-style-calculator .button-function:hover,.google-style-calculator .button-constant:hover,.google-style-calculator .button-parenthesis:hover,.google-style-calculator .button-ans:hover,.google-style-calculator .button-toggle:hover,.google-style-calculator .button-unit-toggle:hover{background-color:#2d2d2d;color:var(--primary);border-color:rgba(212,175,55,0.25)}.google-style-calculator .button-unit-toggle.active,.google-style-calculator .button-toggle.active{background-color:var(--primary);color:#0A0A0A}#button-zero{grid-column:span 2}#button-equals{grid-column:span 2;grid-row:span 2}.casio-style{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:300px;margin:20px auto;background-color:#171717;padding:20px;border-radius:10px;box-shadow:var(--shadow-md);border:1px solid rgba(212,175,55,0.15)}.casio-style input[type="text"]{grid-column:span 4;height:40px;font-size:1.2em;text-align:right;padding:5px 10px;background-color:#0A0A0A;border:1px solid rgba(212,175,55,0.25);color:#F5F5F5;border-radius:5px;margin-bottom:10px;width:100%;box-sizing:border-box}.casio-style button{height:40px;font-size:1em;background-color:#1A1A1A;color:#F5F5F5;border:1px solid rgba(255,255,255,0.05);border-radius:5px;cursor:pointer;transition:background-color 0.3s,color 0.3s,border-color 0.3s;padding:0;display:inline-block;width:100%;margin-top:0}.casio-style button:hover{background-color:#262626;color:#D4AF37;border-color:rgba(212,175,55,0.35)}#graph-display{margin-top:30px;border:1.5px solid var(--border);border-radius:var(--border-radius-lg);height:350px;background:var(--bg-card);box-sizing:border-box;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}#graph-display canvas{display:block}.calculator-content .course-row{display:flex;gap:12px;align-items:flex-end;margin-bottom:12px}.tab-container{display:flex;justify-content:center;border-bottom:2px solid var(--border);margin-bottom:28px;gap:8px}.tab-btn{background:none;border:none;padding:10px 22px;font-size:1rem;font-family:var(--font-family);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all var(--transition-fast);color:var(--text-light);font-weight:500;min-height:44px}.tab-btn:hover{color:var(--primary)}.tab-btn.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:700}.tab-content{display:none;animation:fadeIn 0.3s ease}.tab-content.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.gst-grid{display:grid;gap:16px;margin-bottom:20px}.gst-group label{display:block;margin-bottom:6px;font-weight:500;font-size:0.9rem;color:var(--text-light)}.gst-result-item{display:flex;justify-content:space-between;margin-bottom:10px;padding:12px 14px;background:rgba(255,255,255,0.04);border-radius:var(--border-radius-md);border:1px solid var(--border);font-size:0.95rem}.blog-article-content{max-width:740px;margin:0 auto;padding:40px 20px 60px;color:var(--text-main)}.blog-article-content h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;margin-bottom:16px;line-height:1.25;letter-spacing:-0.3px}.blog-article-content h2{font-size:1.4rem;font-weight:700;margin:36px 0 16px;color:var(--text-main)}.blog-article-content h3{font-size:1.1rem;font-weight:600;margin:24px 0 10px}.blog-article-content p{margin-bottom:16px;line-height:1.75;color:var(--text-light)}.blog-article-content ul,.blog-article-content ol{padding-left:24px;margin-bottom:16px}.blog-article-content li{margin-bottom:8px;line-height:1.65;color:var(--text-light)}.blog-article-content .highlight-box{background:var(--color-primary-light);border-left:4px solid var(--primary);padding:16px 20px;border-radius:0 var(--border-radius-md) var(--border-radius-md) 0;margin:24px 0}.blog-article-content code{background:rgba(255,255,255,0.08);padding:2px 7px;border-radius:4px;font-family:var(--font-mono);font-size:0.9em}.blog-article-content .article-meta{display:flex;align-items:center;gap:16px;font-size:0.83rem;color:var(--text-muted);margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border);flex-wrap:wrap}.blog-article-content .cta-box{background:linear-gradient(135deg,#D4AF37,#C89B3C);color:#0A0A0A;padding:28px 32px;border-radius:var(--border-radius-lg);text-align:center;margin:36px 0;box-shadow:0 10px 30px rgba(212,175,55,0.25)}.blog-article-content .cta-box h3{color:#0A0A0A;margin:0 0 10px;font-weight:800}.blog-article-content .cta-box a{display:inline-flex;align-items:center;background:#0A0A0A;color:var(--primary);padding:10px 26px;border-radius:var(--border-radius-md);font-weight:700;text-decoration:none;margin-top:14px;min-height:44px;box-shadow:0 4px 15px rgba(0,0,0,0.4);transition:all var(--transition-fast)}.blog-article-content .cta-box a:hover{background:#171717;color:var(--primary-hover);transform:translateY(-1px)}.page-header-simple{background:linear-gradient(135deg,#D4AF37,#C89B3C);padding:40px 20px 30px;text-align:center;box-shadow:0 4px 20px rgba(212,175,55,0.15)}.page-header-simple h1{color:#0A0A0A;font-size:clamp(1.5rem,4vw,2rem);font-weight:800;margin-bottom:8px}.page-header-simple p{color:rgba(10,10,10,0.85);font-size:1rem;font-weight:500}@media (max-width:768px){.site-header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.header-nav{display:none}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.hero-section{padding:50px 16px 40px}.hero-stats{max-width:100%;padding:12px 16px}.stat-number{font-size:1.2rem}.popular-grid,.calculator-categories-grid,.blog-grid{grid-template-columns:1fr}.popular-section{padding:40px 16px 30px}.all-tools-section{padding:40px 16px}.blog-section{padding:40px 16px}.tool-card-btn{padding:13px 16px}.calculator-content{margin:16px;padding:20px 16px}.footer-inner{grid-template-columns:1fr;gap:32px;padding:40px 20px 24px}.footer-links{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{max-width:100%}.calculator-content .course-row{flex-direction:column;gap:10px;align-items:stretch}.calculator-content .course-row .input-group{min-width:unset;flex:unset;width:100%;margin-bottom:0 !important}.calculator-content .remove-course-button{width:100%;margin-top:5px;min-height:44px;padding:10px}.calculator-content .button-group .secondary-button{width:100%;margin-right:0;margin-bottom:10px}.google-style-calculator{max-width:100%;margin:10px auto;padding:10px;gap:5px}#calculator-display-wrapper{height:50px;padding:0 5px}#calculator-display{font-size:1.4em}.google-style-calculator button{height:40px;font-size:0.9em}}@media (max-width:480px){.hero-title{font-size:1.75rem}.hero-subtitle{font-size:0.95rem}.stat-item .stat-number{font-size:1.1rem}.footer-links{grid-template-columns:1fr}.hero-stats{gap:0}.section-title{font-size:1.3rem}.blog-card{flex-direction:column}.blog-card-icon{width:40px;height:40px;font-size:1.2rem}}.tool-info-section{max-width:800px;margin:0 auto 40px;padding:0 20px}.tool-info-section .tis-title{font-size:1.4rem;font-weight:800;color:var(--text-main);margin-bottom:12px;letter-spacing:-0.3px;padding-bottom:10px;border-bottom:2px solid var(--color-primary-light)}.tool-info-section .tis-subtitle{font-size:1.1rem;font-weight:700;color:var(--text-main);margin:26px 0 10px}.tool-info-section p{font-size:0.92rem;color:var(--text-light);line-height:1.8;margin-bottom:14px}.tool-info-section ul,.tool-info-section ol{padding-left:22px;margin-bottom:14px}.tool-info-section li{font-size:0.92rem;color:var(--text-light);line-height:1.7;margin-bottom:6px}.tis-formula{background:var(--bg-card);border-radius:var(--border-radius-md);padding:18px 20px;margin:16px 0;font-family:var(--font-mono);font-size:0.92rem;color:#e2e8f0;line-height:1.7;overflow-x:auto;border:1px solid var(--border-gold)}.tis-formula .formula-label{display:block;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.8px;color:#64748b;margin-bottom:8px;font-family:var(--font-family);font-weight:600}.tis-formula .formula-main{color:#7dd3fc;font-size:1rem;font-weight:600}.tis-formula .formula-vars{display:block;margin-top:10px;font-size:0.82rem;color:#94a3b8;font-family:var(--font-family)}.tis-example{background:rgba(30,41,59,0.5);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:0 var(--border-radius-md) var(--border-radius-md) 0;padding:18px 20px;margin:16px 0}.tis-example-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:var(--primary);margin-bottom:10px}.tis-example p{font-size:0.9rem;color:var(--text-light);margin-bottom:8px;line-height:1.7}.tis-example p:last-child{margin-bottom:0}.tis-example strong{color:var(--text-main)}.tis-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.tis-chip{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;background:var(--color-primary-light);color:var(--primary-hover);border-radius:999px;font-size:0.78rem;font-weight:600;border:1px solid rgba(37,99,235,0.15)}.tis-faq{margin-top:28px}.tis-faq-title{font-size:1.1rem;font-weight:800;color:var(--text-main);margin-bottom:14px;letter-spacing:-0.2px}.tis-faq-item{border:1px solid var(--border);border-radius:var(--border-radius-md);margin-bottom:8px;overflow:hidden;transition:border-color var(--transition-fast)}.tis-faq-item.open{border-color:var(--primary)}.tis-faq-q{width:100%;background:var(--bg-card);border:none;padding:16px 18px;text-align:left;font-family:var(--font-family);font-size:0.9rem;font-weight:600;color:var(--text-main);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background var(--transition-fast);min-height:52px}.tis-faq-q:hover{background:rgba(30,41,59,0.5)}.tis-faq-icon{color:var(--primary);font-size:1.2rem;font-weight:400;transition:transform var(--transition-fast);flex-shrink:0;line-height:1}.tis-faq-item.open .tis-faq-icon{transform:rotate(45deg)}.tis-faq-a{display:none;padding:4px 18px 16px;font-size:0.875rem;color:var(--text-light);line-height:1.75;border-top:1px solid var(--border);background:var(--bg-card)}.tis-faq-a p{margin:10px 0 0;font-size:0.875rem;color:var(--text-light);line-height:1.75}.tis-faq-item.open .tis-faq-a{display:block}.tis-related{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;padding-top:20px;border-top:1px solid var(--border)}.tis-related-label{width:100%;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted);margin-bottom:4px}.tis-related a{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;background:rgba(30,41,59,0.5);border:1px solid var(--border);border-radius:999px;font-size:0.8rem;color:var(--text-light);text-decoration:none;font-weight:500;transition:all var(--transition-fast)}.tis-related a:hover{background:var(--color-primary-light);color:var(--primary-hover);border-color:rgba(37,99,235,0.2)}@media (max-width:480px){.tool-info-section{padding:0 4px}.tis-formula{font-size:0.82rem;padding:14px}}.hero-bg{position:fixed;inset:0;pointer-events:none;z-index:-1}.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:0.35}.orb1{width:500px;height:500px;top:-100px;left:-200px;background:radial-gradient(circle,#7c3aed,transparent 70%);animation:orbFloat 8s ease-in-out infinite}.orb2{width:400px;height:400px;bottom:-100px;right:-150px;background:radial-gradient(circle,var(--primary-hover),transparent 70%);animation:orbFloat 10s ease-in-out infinite reverse}.orb3{width:300px;height:300px;top:20%;left:60%;background:radial-gradient(circle,var(--primary),transparent 70%);animation:orbFloat 12s ease-in-out infinite}.orb-finance{background:radial-gradient(circle,var(--primary),transparent 70%)}.orb-math{background:radial-gradient(circle,var(--primary),transparent 70%)}.orb-health{background:radial-gradient(circle,var(--primary),transparent 70%)}.orb-utility{background:radial-gradient(circle,var(--primary),transparent 70%)}.orb-conv{background:radial-gradient(circle,var(--primary),transparent 70%)}@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:-1}.hero-orb{will-change:transform;filter:blur(60px);opacity:0.3}.all-tools-section{}@media (max-width:768px){.hero-bg{display:none !important}.site-header,.tool-card,.blog-card,.calculator-category,.hero-stats,.search-box{backdrop-filter:blur(6px) !important;-webkit-backdrop-filter:blur(6px) !important;background:rgba(23,23,23,0.85)}.site-header{background:rgba(17,17,17,0.95);border-bottom:1px solid rgba(212,175,55,0.25)}}.about-hero,.contact-hero,.policy-hero{padding:80px 20px 60px;text-align:center;background:linear-gradient(180deg,var(--bg-body) 0%,rgba(212,175,55,0.04) 100%);border-bottom:1px solid var(--border)}.about-hero-content,.contact-hero-content,.policy-hero-content{max-width:800px;margin:0 auto}.about-hero h1,.contact-hero h1,.policy-hero h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;color:var(--text-main);margin:20px 0;line-height:1.1}.about-hero p,.contact-hero p,.policy-hero p{font-size:1.15rem;color:var(--text-light);line-height:1.6;max-width:650px;margin:0 auto}.about-stats-strip{background:var(--bg-card);border-bottom:1px solid var(--border);padding:40px 20px}.about-stats-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;text-align:center}.about-stat-num{font-size:2.5rem;font-weight:800;color:var(--primary);margin-bottom:8px}.about-stat-label{font-size:1rem;color:var(--text-light);font-weight:500;text-transform:uppercase;letter-spacing:1px}.about-section{max-width:1000px;margin:0 auto;padding:80px 20px}.about-section-title{font-size:2rem;font-weight:700;margin-bottom:12px;color:var(--text-main)}.about-section-sub{font-size:1.1rem;color:var(--primary);margin-bottom:40px;font-weight:500}.mission-card{background:linear-gradient(135deg,rgba(59,130,246,0.1),rgba(30,41,59,0.5));border:1px solid rgba(59,130,246,0.3);border-radius:var(--border-radius-xl);padding:50px;text-align:center;margin-bottom:80px}.mission-card h2{font-size:2rem;color:var(--text-main);margin-bottom:20px}.mission-card p{font-size:1.15rem;color:var(--text-light);line-height:1.8}.feature-grid,.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.feature-card,.value-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--border-radius-lg);padding:30px;transition:transform 0.3s}.feature-card:hover,.value-item:hover{transform:translateY(-5px);border-color:var(--primary)}.feature-icon,.value-icon{font-size:2rem;margin-bottom:20px;color:var(--primary)}.feature-title,.value-title{font-size:1.25rem;font-weight:700;color:var(--text-main);margin-bottom:12px}.feature-desc,.value-desc{color:var(--text-light);line-height:1.6}.values-strip{background:rgba(30,41,59,0.3);padding:80px 20px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.values-inner{max-width:1000px;margin:0 auto}.about-cta{text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--border-radius-xl);padding:60px 40px}.about-cta h2{font-size:2rem;margin-bottom:16px;color:var(--text-main)}.about-cta p{color:var(--text-light);margin-bottom:30px;font-size:1.1rem}.cta-btn-group{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.btn-cta-primary{background:var(--primary);color:#fff;padding:14px 32px;border-radius:var(--border-radius-md);font-weight:600;text-decoration:none;transition:0.2s}.btn-cta-primary:hover{background:var(--primary-hover);transform:translateY(-2px)}.btn-cta-outline{background:transparent;color:#fff;border:1px solid var(--border);padding:14px 32px;border-radius:var(--border-radius-md);font-weight:600;text-decoration:none;transition:0.2s}.btn-cta-outline:hover{border-color:var(--primary);background:rgba(59,130,246,0.1)}.policy-updated{display:inline-block;margin-top:20px;padding:6px 16px;background:rgba(30,41,59,0.8);border-radius:999px;font-size:0.9rem;color:var(--text-light);border:1px solid var(--border)}.policy-layout{max-width:1200px;margin:0 auto;padding:60px 20px;display:flex;gap:40px;align-items:flex-start}@media (max-width:900px){.policy-layout{flex-direction:column}}.policy-toc{flex:0 0 280px;position:sticky;top:100px;background:var(--bg-card);padding:30px;border-radius:var(--border-radius-lg);border:1px solid var(--border)}.policy-toc h3{color:var(--text-main);margin-bottom:20px;font-size:1.2rem}.policy-toc ol{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.policy-toc a{color:var(--text-light);text-decoration:none;transition:color 0.2s;font-size:0.95rem}.policy-toc a:hover{color:var(--primary)}.privacy-badge{margin-top:30px;padding:20px;background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.2);border-radius:var(--border-radius-md);text-align:center}.privacy-badge .badge-icon{font-size:1.5rem;margin-bottom:10px}.privacy-badge p{font-size:0.85rem;color:#a7f3d0;margin:0}.policy-content{flex:1;min-width:0}.policy-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:60px}.summary-card{background:var(--bg-card);border:1px solid var(--border);padding:24px;border-radius:var(--border-radius-lg);border-top:4px solid var(--primary)}.summary-card.good{border-top-color:#22c55e}.summary-card.neutral{border-top-color:#3b82f6}.summary-icon{font-size:1.5rem;margin-bottom:12px}.summary-title{font-weight:700;color:var(--text-main);margin-bottom:8px}.summary-desc{font-size:0.9rem;color:var(--text-light);line-height:1.5}.policy-block{margin-bottom:60px}.policy-block h2{font-size:1.8rem;color:var(--text-main);margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.policy-block h2 span{color:var(--primary)}.policy-block p{color:var(--text-light);line-height:1.7;margin-bottom:16px;font-size:1.05rem}.policy-block ul{color:var(--text-light);line-height:1.7;margin-bottom:24px;padding-left:20px}.policy-block li{margin-bottom:10px}.policy-block a{color:var(--primary);text-decoration:none}.policy-block a:hover{text-decoration:underline}.policy-highlight{background:rgba(59,130,246,0.1);border-left:4px solid var(--primary);padding:20px;border-radius:0 var(--border-radius-md) var(--border-radius-md) 0;margin:24px 0;color:var(--text-main);line-height:1.6}.policy-highlight.green{background:rgba(34,197,94,0.1);border-color:#22c55e}.contact-wrap{max-width:1200px;margin:0 auto;padding:60px 20px;display:flex;gap:60px;align-items:flex-start}@media (max-width:900px){.contact-wrap{flex-direction:column}}.contact-info{flex:0 0 350px;display:flex;flex-direction:column;gap:20px}.contact-info-card{background:var(--bg-card);border:1px solid var(--border);padding:24px;border-radius:var(--border-radius-lg);display:flex;gap:20px;align-items:flex-start}.contact-info-icon{width:48px;height:48px;background:rgba(59,130,246,0.1);color:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.contact-info-body h3{font-size:1.1rem;color:var(--text-main);margin-bottom:4px}.contact-info-body a{color:var(--primary);text-decoration:none;font-weight:500;display:block;margin-bottom:8px}.contact-info-body p{color:var(--text-light);font-size:0.9rem;line-height:1.5}.response-badge{background:linear-gradient(135deg,rgba(34,197,94,0.1),rgba(30,41,59,0.5));border:1px solid rgba(34,197,94,0.3);padding:24px;border-radius:var(--border-radius-lg);text-align:center;margin-top:10px}.response-badge .badge-icon{font-size:2rem;margin-bottom:10px}.response-badge h3{color:#4ade80;margin-bottom:8px}.response-badge p{color:var(--text-light);font-size:0.9rem}.contact-form-wrap{flex:1;background:var(--bg-card);border:1px solid var(--border);padding:40px;border-radius:var(--border-radius-xl)}.contact-form-wrap > h2{font-size:2rem;color:var(--text-main);margin-bottom:10px}.form-subtitle{color:var(--text-light);margin-bottom:30px;font-size:1.05rem}#contactForm{display:flex;flex-direction:column;gap:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width:600px){.form-row{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{color:var(--text-main);font-weight:500;font-size:0.95rem}.form-group input,.form-group select,.form-group textarea{background:rgba(15,23,42,0.6);border:1px solid var(--border);padding:14px 16px;border-radius:var(--border-radius-md);color:#fff;font-family:inherit;font-size:1rem;transition:all 0.2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,0.15)}.form-group textarea{height:160px;resize:vertical}.submit-btn{background:var(--primary);color:#fff;border:none;padding:16px;border-radius:var(--border-radius-md);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all 0.2s;margin-top:10px}.submit-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 5px 15px rgba(59,130,246,0.3)}.form-msg{padding:16px;border-radius:var(--border-radius-md);margin-top:20px;display:none;font-weight:500}.form-msg.success{background:rgba(34,197,94,0.1);color:#4ade80;border:1px solid rgba(34,197,94,0.3)}.form-msg.error{background:rgba(239,68,68,0.1);color:#f87171;border:1px solid rgba(239,68,68,0.3)}.faq-section{background:rgba(30,41,59,0.3);padding:80px 20px;border-top:1px solid var(--border)}.faq-inner{max-width:800px;margin:0 auto}.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--border-radius-md);margin-bottom:16px;overflow:hidden}.faq-q{width:100%;text-align:left;padding:20px;background:none;border:none;color:var(--text-main);font-size:1.1rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-icon{font-size:1.5rem;color:var(--primary);transition:transform 0.3s}.faq-a{padding:0 20px;color:var(--text-light);line-height:1.6;max-height:0;overflow:hidden;transition:max-height 0.3s ease-out,padding 0.3s ease-out}.faq-item.open .faq-icon{transform:rotate(45deg)}.faq-item.open .faq-a{max-height:500px;padding:0 20px 20px}