:root{--accent:#f59e0b;--accent-dim:#f59e0b1f;--bg-dark:#050510;--bg-card:#0d0d1f;--bg-input:#111128;--card:#0d0d1ff2;--input-bg:#111128;--text-main:#fff;--text-dim:#88a;--text-muted:#557;--cyan:#00f3ff;--purple:#bc13fe;--green:#10b981;--red:#f43f5e;--amber:#f59e0b;--border:#ffffff14;--radius:12px;--font-mono:"JetBrains Mono","Courier New",monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-dark);color:var(--text-main);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.glass-navbar{z-index:1000;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#050510eb;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.nav-link.active{color:var(--accent)}.calc-breadcrumb{color:var(--text-muted);padding:10px 24px;font-size:.79rem}.calc-breadcrumb a{color:var(--text-dim)}.calc-breadcrumb a:hover{color:var(--accent)}.main-container{max-width:1200px;margin:0 auto;padding:24px}.calc-title{margin-bottom:8px;font-size:2rem;font-weight:700}.calc-subtitle{color:var(--text-dim);margin-bottom:24px;font-size:.95rem}.tab-nav{border-bottom:1px solid var(--border);flex-wrap:wrap;margin-bottom:24px;display:flex}.tab-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:all .2s}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:380px 1fr;align-items:start;gap:20px;display:grid}@media (width<=900px){.calc-layout{grid-template-columns:1fr}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:20px}.input-card{border-left:3px solid 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18px}.hero-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;font-size:.8rem}.hero-value{color:var(--accent);font-size:2.4rem;font-weight:800;font-family:var(--font-mono)}.savings-hero{color:var(--green)}.result-stats{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.stat-cell{border:1px solid var(--border);text-align:center;background:#ffffff08;border-radius:8px;flex-direction:column;align-items:center;padding:10px 6px;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px;font-size:.7rem}.stat-value{color:var(--text-main);font-size:1rem;font-weight:700;font-family:var(--font-mono)}.stat-value.accent{color:var(--accent);font-size:.85rem}.breakdown-list{flex-direction:column;gap:6px;display:flex}.breakdown-row{border:1px solid var(--border);background:#ffffff05;border-radius:8px;align-items:center;gap:10px;padding:8px 10px;display:flex}.breakdown-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.breakdown-name{color:var(--text-dim);flex:1;font-size:.84rem}.breakdown-val{color:var(--text-main);font-size:.88rem;font-weight:700;font-family:var(--font-mono)}.breakdown-pct{color:var(--text-muted);text-align:right;min-width:36px;font-size:.72rem}.comparison-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.comp-card{border:1px solid var(--border);text-align:center;background:#ffffff08;border-radius:10px;padding:12px}.comp-card.current{background:#f59e0b0f;border-color:#f59e0b66}.comp-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;font-size:.75rem}.comp-value{color:var(--text-main);font-size:1.2rem;font-weight:700;font-family:var(--font-mono)}.comp-savings{color:var(--green);margin-top:4px;font-size:.75rem}.action-bar{gap:8px;margin-top:4px;display:flex}.action-btn{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:8px;flex:1;padding:8px 12px;font-family:inherit;font-size:.82rem;font-weight:600;transition:all .2s}.action-btn:hover{color:var(--accent);background:#f59e0b12;border-color:#f59e0b47}.breakdown-layout{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=900px){.breakdown-layout{grid-template-columns:1fr}}.breakdown-table{border-collapse:collapse;width:100%;font-size:.85rem}.breakdown-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);padding:8px 10px;font-size:.72rem}.breakdown-table td{color:var(--text-dim);border-bottom:1px solid #ffffff0a;padding:9px 10px}.breakdown-table td:nth-child(2),.breakdown-table td:nth-child(3),.breakdown-table td:nth-child(4){font-family:var(--font-mono);text-align:right}.breakdown-table th:nth-child(2),.breakdown-table th:nth-child(3),.breakdown-table 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var(--green);padding:18px}.tip-category{color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:.72rem;font-weight:700}.tip-title{color:var(--text-main);margin-bottom:6px;font-size:.95rem;font-weight:700}.tip-desc{color:var(--text-dim);margin-bottom:8px;font-size:.82rem;line-height:1.6}.tip-savings{color:var(--green);font-size:.78rem;font-weight:700;font-family:var(--font-mono);background:#10b98114;border:1px solid #10b98133;border-radius:6px;padding:3px 10px;display:inline-block}.page-sections-outer{max-width:1200px;margin:0 auto;padding:0 1.5rem 3rem}.section-heading{color:var(--text-main);border-bottom:1px solid var(--border);margin-bottom:20px;padding-bottom:10px;font-size:1.3rem;font-weight:700}.how-section{margin:40px 0}.how-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.how-step{background:#f59e0b0d;border:1px solid #f59e0b2e;border-radius:12px;padding:20px}.step-num{background:var(--accent);color:#000;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:10px;font-size:.9rem;font-weight:800;display:inline-flex}.how-step h3{color:var(--text-main);margin-bottom:6px;font-size:.95rem;font-weight:700}.how-step p{color:var(--text-dim);font-size:.82rem;line-height:1.6}.faq-section{margin:40px 0}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--text-main);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--font-mono);color:var(--text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--accent)}.faq-item__answer{color:var(--text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}.related-section{margin:40px 0}.related-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;display:grid}.related-card{border:1px solid var(--border);background:#ffffff06;border-radius:10px;padding:16px;text-decoration:none;transition:all .2s}.related-card:hover{background:#f59e0b0d;border-color:#f59e0b40}.related-card h3{color:var(--text-main);margin-bottom:4px;font-size:.9rem;font-weight:700}.related-card p{color:var(--text-dim);font-size:.78rem}.toast{z-index:9999;color:#fff;backdrop-filter:blur(12px);border-radius:10px;max-width:340px;padding:12px 20px;font-size:.85rem;animation:.3s toastIn;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #0000004d}.toast-success{background:#10b981e6}.toast-warn{background:#f59e0be6}.toast-error{background:#f43f5ee6}@keyframes toastIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}[data-theme=light]{--accent:#b45309;--accent-dim:#b453091a;--bg-dark:#e8edf5;--bg-card:#fff;--bg-input:#e8eef4;--card:#fffffff2;--input-bg:#e8eef4;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--cyan:#0e7490;--purple:#7c3aed;--green:#065f46;--red:#dc2626;--amber:#b45309;--border:#0000001a}[data-theme=light] .glass-navbar{backdrop-filter:blur(12px);background:#f8fafceb;border-bottom:1px solid #00000014}[data-theme=light] .card{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #0000000f}[data-theme=light] .input-card{border-left-color:#0e7490}[data-theme=light] .result-card{border-left-color:#7c3aed}[data-theme=light] .form-input,[data-theme=light] .form-select{color:#0f172a;background:#e8eef4;border-color:#0000001f}[data-theme=light] .form-select 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.breakdown-name{color:#334155}[data-theme=light] .breakdown-val{color:#0f172a}[data-theme=light] .breakdown-pct{color:#64748b}[data-theme=light] .comp-card{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .comp-card.current{background:#fffbeb;border-color:#b453094d}[data-theme=light] .comp-title{color:#64748b}[data-theme=light] .comp-value{color:#0f172a}[data-theme=light] .comp-savings{color:#065f46}[data-theme=light] .action-btn{color:#334155;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .action-btn:hover{color:#b45309;background:#b453090f;border-color:#b4530940}[data-theme=light] .breakdown-table th{color:#64748b;border-bottom-color:#0000001a}[data-theme=light] .breakdown-table td{color:#334155;border-bottom-color:#0000000f}[data-theme=light] .breakdown-table tr:hover{background:#f0f4f9}[data-theme=light] .largest-callout{color:#334155;background:#fffbeb;border-color:#b4530933}[data-theme=light] .largest-callout strong{color:#b45309}[data-theme=light] .tip-card{background:#fff;border-color:#0000001a #0000001a #0000001a #065f46;box-shadow:0 1px 4px #0000000f}[data-theme=light] .tip-category{color:#b45309}[data-theme=light] .tip-title{color:#0f172a}[data-theme=light] .tip-desc{color:#334155}[data-theme=light] .tip-savings{color:#065f46;background:#f0fdf4;border-color:#065f4633}[data-theme=light] .savings-hero{color:#065f46}[data-theme=light] .how-step{background:#fffbeb;border-color:#b4530926}[data-theme=light] .how-step h3{color:#0f172a}[data-theme=light] .how-step p{color:#334155}[data-theme=light] .step-num{color:#fff;background:#b45309}[data-theme=light] .section-heading{color:#0f172a;border-bottom-color:#0000001a}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#b4530959;box-shadow:0 2px 10px #b4530914}[data-theme=light] .faq-item[open]{border-color:#b4530966 #b4530966 #b4530966 #b45309;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #b453091a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#b45309}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}[data-theme=light] .related-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .related-card:hover{background:#fffbeb;border-color:#b4530940}[data-theme=light] .related-card h3{color:#0f172a}[data-theme=light] .related-card p{color:#334155}[data-theme=light] .toast{box-shadow:0 4px 20px #00000026}@media (width<=600px){.calc-title{font-size:1.5rem}.hero-value{font-size:1.8rem}.result-stats,.comparison-grid,.breakdown-layout,.tips-grid{grid-template-columns:1fr}}