/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.relative{position:relative}.static{position:static}.block{display:block}.contents{display:contents}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{color-scheme:dark;--bg:#0a0a0c;--surface:#141418;--text:#f7f7f8;--muted:#a0a0a5;--gold:#d4af37;--cyan:#00d8f0;--line:#ffffff1a;--glass:#ffffff09;--radius:18px;--shadow:0 18px 55px #0000004d;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(ellipse at 12% 8%,#d4af3717,transparent 30rem),radial-gradient(ellipse at 88% 25%,#00d8f00e,transparent 28rem),var(--bg);min-width:320px;color:var(--text);margin:0;line-height:1.65}body.menu-open{overflow:hidden}a{color:inherit}button,input,select,textarea{font:inherit}button,a,summary,select,input,textarea{outline-offset:4px}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--gold)}h1,h2,h3{letter-spacing:-.025em;font-family:Outfit,Inter,ui-sans-serif,system-ui,sans-serif;line-height:1.15}h1{color:#0000;background:linear-gradient(120deg,#fff,#b5b5bb);-webkit-background-clip:text;background-clip:text;margin:.1rem 0 1rem;font-size:clamp(2.5rem,6vw,4.35rem)}h2{margin:.25rem 0 .8rem;font-size:clamp(1.5rem,3vw,2.1rem)}p{margin:.5rem 0 1rem}.site-header,.page-container,.site-footer{width:min(1160px,100% - 40px);margin-inline:auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:86px;display:flex}.brand,.footer-brand{align-items:center;gap:.75rem;font-weight:700;text-decoration:none;display:inline-flex}.brand img,.footer-brand img{object-fit:contain}.desktop-nav,.footer-links{align-items:center;gap:1.4rem;display:flex}.desktop-nav a,.footer-links a{color:var(--muted);font-size:.94rem;text-decoration:none}.desktop-nav a:hover,.footer-links a:hover{color:var(--gold)}.menu-toggle,.menu-close{color:var(--text);cursor:pointer;background:0 0;border:0;font-size:1.6rem;display:none}.nav-scrim,.mobile-nav{display:none}.page-container{padding:3.4rem 0 1rem}.hero{text-align:center;max-width:850px;margin:0 auto 2.5rem}.eyebrow{color:var(--gold);letter-spacing:.15em;text-transform:uppercase;font-size:.73rem;font-weight:700}.hero-copy,.muted{color:var(--muted)}.hero-copy{max-width:720px;margin-inline:auto;font-size:1.08rem}.tool-grid{grid-template-columns:1fr 1fr;align-items:stretch;gap:1.5rem;display:grid}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(12px);padding:clamp(1.35rem,3.4vw,2.35rem)}.calculator-panel h2,.visualizer-panel h2{margin-bottom:.35rem}.calculator-panel>.muted,.visualizer-panel .muted{margin-bottom:1.5rem}.field-label{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;margin:.9rem 0 .4rem;font-size:.8rem;font-weight:650;display:block}.calculator-panel input,.calculator-panel select,.language-label+select,.contact-form input,.contact-form textarea{border:1px solid var(--line);width:100%;color:var(--text);background:#00000045;border-radius:9px;padding:.88rem 1rem}select option{background:#18181c}.result{border-left:4px solid var(--cyan);background:#0000004d;border-radius:12px;grid-template-columns:1fr auto;align-items:baseline;gap:0 .6rem;margin-top:1.5rem;padding:1.2rem;display:grid}.result-label{color:var(--muted);text-transform:uppercase;letter-spacing:.09em;grid-column:1/-1;font-size:.76rem}.result strong{font-family:Outfit,sans-serif;font-size:2.25rem}.result span:last-child{color:var(--gold);font-weight:600}.formula-hint{color:var(--muted);font-size:.86rem}.visualizer-panel{flex-direction:column;display:flex}.tank-wrap{flex:1;justify-content:center;align-items:flex-end;min-height:290px;padding:1rem;display:flex;position:relative}.tank{background:#00000040;border:2px solid #ffffff38;border-radius:14px 14px 5px 5px;width:160px;height:260px;position:relative;overflow:hidden;box-shadow:inset 0 0 24px #0008}.tank-fill{background:linear-gradient(180deg,var(--cyan),#000c);height:0;transition:height .5s;position:absolute;inset:auto 0 0}.tank-mark{background:#ffffff65;width:14px;height:1px;position:absolute;left:0}.mark-25{bottom:25%}.mark-50{width:20px;bottom:50%}.mark-75{bottom:75%}.tank-badge{white-space:nowrap;border:1px solid var(--cyan);color:var(--cyan);background:#08090bcc;border-radius:8px;padding:.45rem .75rem;font-size:.82rem;position:absolute;bottom:45%;left:calc(50% + 90px)}.tank-caption{text-align:center;color:var(--muted);margin:.8rem 0 0;font-size:.88rem}.content-stack{gap:1.35rem;margin-top:2rem;display:grid}.content-panel>p:not(.eyebrow){color:var(--muted)}.formula-card{background:#00d8f00a;border:1px solid #00d8f044;border-radius:10px;flex-wrap:wrap;gap:.35rem 1rem;margin:1rem 0;padding:1rem;display:flex}.formula-card span{color:var(--muted)}.formula-card strong{color:var(--cyan)}.feature-list{color:var(--muted);padding-left:1.25rem}.feature-list li{margin:.5rem 0}.note{border-top:1px solid var(--line);padding-top:.75rem;font-size:.9rem}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;padding:1rem 2rem 1rem 0;font-weight:600;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--gold);font-size:1.3rem;position:absolute;right:.3rem}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);padding:0 2rem 1rem 0}.table-scroll{overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%}th,td{border-bottom:1px solid var(--line);padding:.7rem .8rem}thead th{color:var(--gold);text-transform:uppercase;letter-spacing:.06em;font-size:.8rem}.site-footer{border-top:1px solid var(--line);text-align:center;color:var(--muted);margin-top:2rem;padding:2rem 0 1.5rem}.footer-brand{color:var(--text)}.footer-links{flex-wrap:wrap;justify-content:center;margin:1rem}.site-footer small{margin-top:1.25rem;display:block}.language-label{margin:1rem .5rem 0 0;font-size:.84rem;display:inline-block}.language-label+select{width:auto;padding:.45rem .7rem}.social-links{justify-content:center;gap:.6rem;display:flex}.social-links a{border:1px solid var(--line);border-radius:50%;place-items:center;width:35px;height:35px;text-decoration:none;display:grid}.page-hero{max-width:820px;margin:0 auto 2rem}.page-hero h1{font-size:clamp(2.25rem,5vw,3.4rem)}.plain-content{max-width:820px;margin:auto}.plain-content p,.plain-content li{color:var(--muted)}.contact-form{gap:.65rem;max-width:660px;display:grid}.contact-form label{font-weight:600}.contact-form textarea{resize:vertical;min-height:170px}.button{background:linear-gradient(130deg,var(--gold),#b8932c);color:#090909;cursor:pointer;border:0;border-radius:8px;justify-self:start;padding:.75rem 1.2rem;font-weight:700}.form-status{min-height:1.6rem}.post-grid{grid-template-columns:repeat(3,1fr);gap:1.2rem;display:grid}.post-card{padding:0;overflow:hidden}.post-card img{aspect-ratio:1.9;object-fit:cover;background:#222;width:100%}.post-card-content{padding:1.2rem}.post-meta{color:var(--gold);font-size:.8rem}.post-card h2{font-size:1.35rem}.post-card p{color:var(--muted)}.pagination{justify-content:center;align-items:center;gap:.55rem;margin:2rem 0;display:flex}.pagination a,.pagination span{border:1px solid var(--line);border-radius:6px;padding:.45rem .75rem;text-decoration:none}.pagination .current{background:var(--gold);color:#111}.pagination .disabled{opacity:.45}.article-hero img{object-fit:cover;border-radius:var(--radius);width:100%;max-height:420px}.article-body{max-width:800px;margin:2rem auto}.article-body h2{margin-top:2rem}.article-body p,.article-body li{color:#d0d0d5}.article-body a{color:var(--cyan)}.sitemap-list{columns:2}.sitemap-list li{margin:.4rem 0}@media (width<=800px){.site-header,.page-container,.site-footer{width:min(100% - 28px,680px)}.desktop-nav{display:none}.menu-toggle{display:block}.nav-scrim{opacity:0;pointer-events:none;z-index:20;background:#0009;transition:opacity .2s;display:block;position:fixed;inset:0}.nav-scrim.is-open{opacity:1;pointer-events:auto}.mobile-nav{z-index:21;border-left:1px solid var(--line);background:#141418;flex-direction:column;gap:1.1rem;width:min(82vw,340px);padding:4.5rem 1.5rem 2rem;transition:transform .25s;display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(105%)}.mobile-nav.is-open{transform:translate(0)}.mobile-nav a{color:var(--text);font-size:1.1rem;text-decoration:none}.menu-close{display:block;position:absolute;top:.7rem;right:1rem}.tool-grid{grid-template-columns:1fr}.tank-wrap{min-height:280px}.post-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=540px){.page-container{padding-top:2.2rem}.post-grid{grid-template-columns:1fr}.sitemap-list{columns:1}.tank-badge{font-size:.75rem;left:calc(50% + 76px)}.result strong{font-size:1.9rem}}@media (width>=1440px){.page-container{max-width:1160px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
