@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";
:root{--bg-base:#f7f5f0;--bg-surface:#fff;--bg-surface-elevated:#efeae2;--bg-card-glass:#fffc;--primary:#ca8a04;--primary-hover:#a16207;--primary-glow:#ca8a0414;--primary-glow-strong:#ca8a0429;--secondary:#059669;--secondary-hover:#047857;--secondary-glow:#05966914;--accent-blue:#1d4ed8;--accent-blue-glow:#1d4ed814;--text-primary:#2d261e;--text-secondary:#534c44;--text-muted:#857e75;--border:#8b5c1a1f;--border-hover:#8b5c1a38;--border-focus:#ca8a0466;--shadow-sm:0 1px 3px #2d261e0d;--shadow-md:0 4px 6px -1px #2d261e0f, 0 2px 4px -1px #2d261e08;--shadow-lg:0 10px 25px -3px #2d261e14, 0 4px 12px -2px #2d261e0a;--shadow-glow:0 0 20px #ca8a042e;--shadow-glow-secondary:0 0 20px #0596691f;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Outfit", var(--font-sans);--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:20px;--border-radius-full:9999px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;overflow-x:hidden}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;scroll-behavior:smooth;height:100%}body{background-color:var(--bg-base);min-height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle,#ca8a0414 0%,#0000 70%);width:min(600px,80vw);height:min(600px,80vw);position:fixed;top:0;left:10%}body:after{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle,#0596690d 0%,#0000 70%);width:min(500px,70vw);height:min(500px,70vw);position:fixed;bottom:10%;right:0}a{color:inherit;text-decoration:none}button,input,select,textarea{color:inherit;font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--bg-surface-elevated);border-radius:var(--border-radius-full);border:2px solid var(--bg-base)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-primary);font-weight:700;line-height:1.25}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-secondary);font-size:.875rem;font-weight:500;font-family:var(--font-display);margin-bottom:.5rem;display:block}.form-input{background-color:var(--bg-surface-elevated);border:1px solid var(--border);border-radius:var(--border-radius-md);width:100%;color:var(--text-primary);transition:var(--transition-fast);outline:none;padding:.75rem 1rem;font-size:.95rem}.form-input:hover{border-color:var(--border-hover)}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.text-gradient-primary{background:linear-gradient(135deg, var(--primary) 0%, #34d399 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.text-gradient-secondary{background:linear-gradient(135deg, var(--secondary) 0%, #fb923c 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.glass-panel{background-color:var(--bg-card-glass);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);overflow-wrap:break-word;word-break:break-word;max-width:100%}.glass-panel:hover{border-color:var(--border-hover)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1.5rem;overflow-x:hidden}@media (max-width:768px){.container{padding:0 1rem}}@media (max-width:400px){.container{padding:0 .75rem}}@media (max-width:960px){.main-grid-responsive{grid-template-columns:1fr!important}.main-grid-responsive>div:last-child{position:relative!important;top:0!important}.mobile-tabs-header,.mobile-floating-footer{display:flex!important}.inputs-column.tab-hidden,.results-column.tab-hidden{display:none!important}}.mobile-tabs-header{gap:.5rem;width:100%;margin-bottom:1.5rem;display:none}.mobile-tab-btn{background-color:var(--bg-surface-elevated);border:1px solid var(--border);border-radius:var(--border-radius-md);font-size:.85rem;font-weight:700;font-family:var(--font-display);color:var(--text-secondary);cursor:pointer;text-align:center;transition:all var(--transition-fast);-webkit-tap-highlight-color:transparent;outline:none;flex:1;justify-content:center;align-items:center;gap:.5rem;min-height:48px;padding:.85rem .5rem;display:flex;overflow:hidden}.mobile-tab-icon{width:28px;height:28px;transition:all var(--transition-fast);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.mobile-tab-btn:first-child .mobile-tab-icon{color:var(--primary);background:#ca8a041a}.mobile-tab-btn:last-child .mobile-tab-icon{color:var(--secondary);background:#0596691a}.mobile-tab-btn.active .mobile-tab-icon{background:var(--primary);color:#fff}.mobile-tab-btn:last-child.active .mobile-tab-icon{background:var(--secondary);color:#fff}.mobile-tab-btn.active{background-color:var(--bg-surface);border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow-sm)}.mobile-floating-footer{-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);z-index:1000;background-color:#fffffff2;justify-content:space-between;align-items:center;padding:.85rem 1.25rem;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;display:none;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #2d261e14}.category-pill{border-radius:var(--border-radius-full);cursor:pointer;transition:all var(--transition-fast);border:1px solid var(--border);font-size:.8rem;font-weight:600;font-family:var(--font-sans);-webkit-tap-highlight-color:transparent;background-color:var(--bg-surface);min-height:36px;color:var(--text-secondary);flex-shrink:0;align-items:center;gap:.4rem;padding:.4rem .85rem;display:flex}.category-pill:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}.category-pill.active{background-color:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-sm)}.category-pill-icon{width:20px;height:20px;transition:all var(--transition-fast);border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.category-pill:not(.active) .category-pill-icon{color:var(--text-muted)}.category-pill.active .category-pill-icon{color:#fff}.faq-item{border:1px solid var(--border);border-radius:var(--border-radius-md);background-color:var(--bg-surface);transition:all var(--transition-normal);overflow:hidden}.faq-item:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.faq-item.faq-open{box-shadow:0 0 0 3px var(--primary-glow), var(--shadow-sm);border-color:#ca8a0440}.faq-button{cursor:pointer;text-align:left;width:100%;font-size:.95rem;font-weight:600;font-family:var(--font-display);color:var(--text-primary);-webkit-tap-highlight-color:transparent;min-height:56px;transition:background-color var(--transition-fast);background-color:#0000;border:none;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem 1.25rem;display:flex}.faq-button:hover{background-color:var(--primary-glow)}.faq-chevron-wrapper{background-color:var(--primary-glow);width:32px;height:32px;color:var(--primary);transition:all var(--transition-normal);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.faq-open .faq-chevron-wrapper{background-color:var(--primary);color:#fff;transform:rotate(180deg)}.faq-answer{transition:max-height .35s cubic-bezier(.4,0,.2,1),opacity .25s;overflow:hidden}.faq-answer-inner{color:var(--text-secondary);border-top:1px solid var(--border);padding:1rem 1.25rem 1.25rem;font-size:.9rem;line-height:1.7}.walkthrough-step{border-radius:var(--border-radius-lg);background:var(--bg-surface);border:1px solid var(--border);transition:all var(--transition-normal);padding:1.75rem;position:relative;overflow:hidden}.walkthrough-step:hover{border-color:var(--border-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.walkthrough-step:before{content:"";border-radius:4px 0 0 4px;width:4px;height:100%;position:absolute;top:0;left:0}.walkthrough-step-1:before{background:linear-gradient(180deg, var(--primary) 0%, #fbbf24 100%)}.walkthrough-step-2:before{background:linear-gradient(180deg, var(--secondary) 0%, #34d399 100%)}.walkthrough-step-3:before{background:linear-gradient(180deg, var(--accent-blue) 0%, #60a5fa 100%)}.step-number-badge{width:36px;height:36px;font-size:.85rem;font-weight:800;font-family:var(--font-display);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.walkthrough-step-1 .step-number-badge{background:linear-gradient(135deg, var(--primary) 0%, #fbbf24 100%);box-shadow:0 0 12px #ca8a044d}.walkthrough-step-2 .step-number-badge{background:linear-gradient(135deg, var(--secondary) 0%, #34d399 100%);box-shadow:0 0 12px #0596694d}.walkthrough-step-3 .step-number-badge{background:linear-gradient(135deg, var(--accent-blue) 0%, #60a5fa 100%);box-shadow:0 0 12px #1d4ed84d}.formula-card{background:var(--bg-surface-elevated);border:1px solid var(--border);border-radius:var(--border-radius-sm);align-items:center;gap:.75rem;margin-top:1rem;padding:.75rem 1rem;display:flex}.formula-card code{color:var(--text-primary);letter-spacing:-.01em;font-size:.85rem;font-weight:600}.formula-icon{background:var(--primary-glow-strong);width:28px;height:28px;color:var(--primary);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;display:flex}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes expandIn{0%{opacity:0;max-height:0}to{opacity:1;max-height:500px}}.hide-scrollbar::-webkit-scrollbar{display:none}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}@media (max-width:480px){.mobile-hide-compact{display:none!important}}.inputs-column,.results-column{width:100%;min-width:0;max-width:100%;overflow:hidden}.appliance-icon-svg{width:32px;height:32px;transition:all var(--transition-fast)}@media (max-width:768px){.glass-panel{border-radius:var(--border-radius-md)}.walkthrough-step{padding:1.25rem}.faq-button{gap:.75rem;padding:1rem;font-size:.9rem}.faq-answer-inner{padding:0 1rem 1rem;font-size:.85rem}.faq-chevron-wrapper{width:28px;height:28px}}@media (max-width:600px){.main-grid-responsive{grid-template-columns:minmax(0,1fr)!important}.battery-grid-responsive{grid-template-columns:1fr!important;gap:.75rem!important}.hours-slider-span{grid-column:span 1!important}.chart-flex-container{gap:1.25rem!important}.seo-card{padding:1.25rem!important}.seo-grid-responsive{grid-template-columns:1fr!important;gap:1.25rem!important}.appliance-icon-svg{width:24px!important;height:24px!important}.appliance-selector-card{padding:.75rem .5rem!important}.appliance-selector-card span{font-size:.75rem!important}.appliance-selector-card span:last-child{font-size:.65rem!important}.walkthrough-step{padding:1rem 1rem 1rem 1.25rem}.formula-card{flex-direction:column;align-items:flex-start;gap:.5rem}.formula-card code{word-break:break-all;font-size:.78rem}.step-number-badge{width:30px;height:30px;font-size:.75rem}}@media (max-width:400px){.mobile-tab-btn{padding:.7rem .35rem;font-size:.78rem}.faq-button{gap:.5rem;min-height:50px;padding:.85rem .75rem;font-size:.85rem}.faq-answer-inner{padding:.85rem .75rem;font-size:.82rem}.faq-chevron-wrapper{width:26px;height:26px}}.site-header{z-index:10;border-top:none;border-radius:0 0 24px 24px;justify-content:space-between;align-items:center;gap:1rem;max-width:100%;margin-bottom:2rem;padding:.875rem clamp(1rem,4vw,2rem);display:flex;position:relative}.header-brand{color:inherit;flex-shrink:0;align-items:center;gap:.75rem;min-width:0;text-decoration:none;display:flex}.header-logo{width:36px;height:36px;box-shadow:var(--shadow-glow-secondary);background:radial-gradient(circle,#fbbf24 30%,#f59e0b 80%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.header-brand-text{min-width:0}.header-brand-name{letter-spacing:-.025em;font-size:clamp(.95rem,3vw,1.35rem);font-weight:800;font-family:var(--font-display);white-space:nowrap;text-overflow:ellipsis;margin:0;line-height:1.2;overflow:hidden}.header-brand-tld{color:var(--text-muted);font-size:.82rem;font-weight:500}.header-tagline{color:var(--text-secondary);margin:0;font-size:.72rem;line-height:1}.header-nav-desktop{align-items:center;gap:1.5rem;display:flex}.header-nav-link{color:var(--text-secondary);transition:color var(--transition-fast), border-color var(--transition-fast);white-space:nowrap;border-bottom:2px solid #0000;padding:.35rem 0;font-size:.88rem;font-weight:600;text-decoration:none}.header-nav-link:hover{color:var(--primary);border-bottom-color:var(--primary)}.hamburger{border:1px solid var(--border);border-radius:var(--border-radius-sm);background:var(--bg-surface-elevated);cursor:pointer;-webkit-tap-highlight-color:transparent;width:40px;height:40px;transition:border-color var(--transition-fast), background var(--transition-fast);flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:5px;padding:0;display:none}.hamburger:hover{border-color:var(--primary);background:var(--primary-glow)}.hamburger-bar{background:var(--text-primary);width:18px;height:2px;transition:transform var(--transition-normal), opacity var(--transition-normal);transform-origin:50%;border-radius:2px;display:block}.hamburger-open .hamburger-bar:first-child{transform:translateY(7px)rotate(45deg)}.hamburger-open .hamburger-bar:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger-open .hamburger-bar:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.drawer-overlay{-webkit-backdrop-filter:blur(3px);z-index:300;opacity:0;pointer-events:none;transition:opacity var(--transition-normal);background:#2d261e73;display:block;position:fixed;inset:0}.drawer-overlay-open{opacity:1;pointer-events:auto}.mobile-drawer{background:var(--bg-surface);border-left:1px solid var(--border);z-index:400;will-change:transform;overscroll-behavior:contain;pointer-events:none;visibility:hidden;flex-direction:column;width:min(320px,85vw);transition:transform .32s cubic-bezier(.16,1,.3,1),visibility 0s linear .32s;display:flex;position:fixed;top:0;bottom:0;right:0;overflow-y:auto;transform:translate(100%);box-shadow:-8px 0 32px #2d261e1f}.mobile-drawer-open{pointer-events:auto;visibility:visible;transition:transform .32s cubic-bezier(.16,1,.3,1),visibility linear;transform:translate(0)}.drawer-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.drawer-close{border:1px solid var(--border);border-radius:var(--border-radius-sm);background:var(--bg-surface-elevated);cursor:pointer;width:36px;height:36px;color:var(--text-secondary);transition:border-color var(--transition-fast), color var(--transition-fast);-webkit-tap-highlight-color:transparent;flex-shrink:0;justify-content:center;align-items:center;display:flex}.drawer-close:hover{border-color:var(--primary);color:var(--primary)}.drawer-links{flex-direction:column;flex:1;gap:.25rem;padding:1rem;display:flex}.drawer-link{border-radius:var(--border-radius-md);color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);font-size:.95rem;font-weight:600;font-family:var(--font-display);-webkit-tap-highlight-color:transparent;align-items:center;gap:.75rem;min-height:48px;padding:.9rem 1rem;text-decoration:none;display:flex}.drawer-link:hover,.drawer-link:active{background:var(--primary-glow);color:var(--primary)}.drawer-link-icon{flex-shrink:0;font-size:1.1rem}.drawer-footer{border-top:1px solid var(--border);text-align:center;padding:1.25rem 1.5rem}@media (max-width:640px){.header-nav-desktop{display:none}.hamburger{display:flex}.header-tagline{display:none}.site-header{margin-bottom:1.25rem;padding:.75rem 1rem}.step-row{flex-direction:column!important}.blog-grid,.values-grid{grid-template-columns:1fr!important}table{font-size:.78rem!important}th,td{padding:.5rem .35rem!important}.sun-hours-grid{grid-template-columns:1fr 1fr!important}.formula-mono{word-break:break-word;white-space:normal!important;font-size:.8rem!important}.inner-hero{padding-top:1.75rem!important;padding-bottom:1.25rem!important}ul li,ol li{font-size:.88rem}}.site-footer{border-top:1px solid var(--border);text-align:center;margin-top:4rem;padding:2.5rem clamp(1rem,4vw,2rem)}.footer-inner{flex-direction:column;align-items:center;gap:1.25rem;max-width:900px;margin:0 auto;display:flex}.footer-nav{flex-wrap:wrap;justify-content:center;gap:.4rem 1.25rem;display:flex}.footer-nav a{color:var(--text-muted);transition:color var(--transition-fast);font-size:.82rem;font-weight:500;text-decoration:none}.footer-nav a:hover{color:var(--primary)}@media (max-width:480px){.footer-nav{gap:.35rem .85rem}.footer-nav a{font-size:.78rem}.site-footer{margin-top:2.5rem;padding:2rem 1rem}}