@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-ext-wght-normal.20g3-bbbhdq0_.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-wght-normal.2cxlyxah-fd35.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-ext-wght-normal.0mkxydxl0e43d.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-wght-normal.1rx9vjatjkdar.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-vietnamese-wght-normal.2kcj5i_8uff48.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-ext-wght-normal.3gdi_th3seg1n.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-wght-normal.0gsaq8ukbf34m.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@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-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--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;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--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]){-webkit-text-decoration:underline dotted;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;-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{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.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,)}.resize{resize:both}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.italic{font-style:italic}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.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,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#f0f7f7;--surface:#fff;--surface-2:#e3efef;--surface-soft:#f7fafa;--text:#0e1f22;--text-muted:#4c6266;--text-soft:#7d9094;--accent:#237680;--accent-light:#c5ddde;--accent-bg:#d7eaeb;--accent-strong:#145560;--brand-dot:#f4deb7;--amber:#c18a48;--amber-text:#815825;--amber-light:#f4deb7;--border:#d2dedf;--border-strong:#b0c0c2;--focus:#237680;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--container:1280px;--transition:.16s ease;--select-arrow:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234c6266' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E")}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--background:#091418;--surface:#121e22;--surface-2:#1a282d;--surface-soft:#0e1719;--text:#e8f0f1;--text-muted:#8fa1a4;--text-soft:#5f7073;--accent:#6fb6bf;--accent-light:#16363b;--accent-bg:#16363b;--accent-strong:#92cfd7;--brand-dot:#815825;--amber:#d9a879;--amber-text:#d9a879;--amber-light:#3a2d18;--border:#1f2d31;--border-strong:#2f4146;--focus:#92cfd7;--select-arrow:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238fa1a4' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E")}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{background:var(--background);min-height:100vh;color:var(--text);text-rendering:optimizelegibility;margin:0;font-family:Inter Variable,Inter,ui-sans-serif,system-ui,sans-serif;font-size:14px;line-height:1.5}.skip-link{z-index:1000;border:2px solid var(--accent);background:var(--surface);color:var(--text);border-radius:.4rem;padding:.65rem .9rem;position:fixed;inset-block-start:.75rem;inset-inline-start:.75rem;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}button,input,select{font:inherit}button,summary,select{cursor:pointer}a{color:inherit}:where(a,button,input,select,summary):focus-visible{outline:3px solid var(--focus);outline-offset:3px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{z-index:20;border-bottom:1px solid var(--border);background:var(--background);position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.site-header{background:color-mix(in srgb, var(--background) 92%, transparent)}}.site-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.site-header-inner,.site-footer-inner,.page-shell{width:min(calc(100% - 48px), var(--container));margin-inline:auto}.site-header-inner{align-items:center;gap:32px;min-height:64px;display:flex;position:relative}.brand{color:var(--text);letter-spacing:-.02em;flex:none;align-items:center;gap:9px;font-size:16px;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{background:var(--accent);width:28px;height:28px;color:var(--surface);letter-spacing:-.06em;border-radius:50%;justify-content:center;align-items:center;font-size:17px;font-weight:700;line-height:1;display:inline-flex}.brand-mark-letter{transform:translateY(-.5px)}.brand-mark-dot{color:var(--brand-dot);margin-left:2px;font-size:1.05em;transform:translateY(2px)}.desktop-navigation{flex:1;align-items:center;gap:20px;display:flex}.nav-topic{position:relative}.nav-topic-trigger{min-height:40px;color:var(--text-muted);cursor:pointer;transition:color var(--transition);background:0 0;border:0;align-items:center;gap:6px;padding:0 4px;font-family:inherit;font-size:13px;font-weight:500;display:inline-flex}.nav-topic-trigger:hover,.nav-topic[data-open=true] .nav-topic-trigger{color:var(--accent-strong)}.nav-topic-chevron{transition:transform var(--transition)}.nav-topic[data-open=true] .nav-topic-chevron{transform:rotate(180deg)}.nav-dropdown{z-index:50;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);flex-direction:column;gap:2px;min-width:220px;padding:6px;display:none;position:absolute;top:calc(100% + 2px);left:0}.nav-dropdown:before{content:"";height:8px;position:absolute;top:-8px;left:0;right:0}.nav-dropdown:not([hidden]){display:flex}.nav-dropdown-link{border-radius:var(--radius-sm);color:var(--text-muted);white-space:nowrap;transition:background var(--transition), color var(--transition);padding:8px 12px;font-size:13px;font-weight:500;text-decoration:none;display:block}.nav-dropdown-link:hover,.nav-dropdown-link:focus-visible{background:var(--accent-bg);color:var(--accent-strong)}.desktop-navigation a,.mobile-navigation a,.footer-links a{color:var(--text-muted);transition:color var(--transition);font-size:13px;font-weight:500;text-decoration:none}.desktop-navigation a:hover,.mobile-navigation a:hover,.footer-links a:hover{color:var(--accent-strong)}.header-actions{align-items:center;gap:8px;display:flex}.icon-button,.theme-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);min-height:40px;color:var(--text)}.icon-button{place-items:center;width:40px;padding:0;display:grid}.menu-button{display:none}.menu-icon{gap:4px;display:grid}.menu-icon span{background:currentColor;width:17px;height:1.5px;display:block}.theme-toggle{align-items:center;gap:8px;padding:0 10px;display:inline-flex}.theme-toggle-track,.switch-track{background:var(--border-strong);width:34px;height:20px;transition:background var(--transition);border-radius:999px;display:inline-block;position:relative}.theme-toggle-thumb,.switch-thumb{background:var(--surface);width:14px;height:14px;transition:transform var(--transition);border-radius:50%;position:absolute;top:3px;left:3px}:root[data-theme=dark] .theme-toggle-track,.switch[aria-checked=true] .switch-track{background:var(--accent)}:root[data-theme=dark] .theme-toggle-thumb,.switch[aria-checked=true] .switch-thumb{transform:translate(14px)}.theme-toggle-label{min-width:32px;color:var(--text-muted);font-size:12px;font-weight:600}.mobile-navigation{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-bottom:1px solid var(--border);background:var(--surface);max-height:calc(100dvh - 65px);padding:12px 24px 24px;position:absolute;top:calc(100% + 1px);left:0;right:0;overflow-y:auto}.mobile-nav-group{margin-bottom:16px}.mobile-nav-group:last-child{margin-bottom:0}.mobile-nav-heading{color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;padding:4px 0 2px;font-size:11px;font-weight:700;display:block}.mobile-navigation a{border-bottom:1px solid var(--border);min-height:40px;padding:10px 0;display:block}.mobile-nav-group:last-child a:last-child{border-bottom:0}.page-shell{min-height:calc(100vh - 193px);padding-block:56px 72px}.page-head{max-width:800px}.blog-page-head{max-width:none}.blog-page-head h1{max-width:800px}.blog-head-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.rss-link{border:1px solid var(--accent-light);background:var(--accent-bg);min-height:32px;color:var(--accent-strong);white-space:nowrap;border-radius:999px;align-items:center;padding:4px 12px;font-size:12px;font-weight:600;display:inline-flex}.eyebrow,.figure-label{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}h1,h2,p{overflow-wrap:break-word}h1{letter-spacing:-.04em;margin:0;font-size:clamp(34px,5vw,54px);font-weight:600;line-height:1.08}.lede{max-width:720px;color:var(--text-muted);margin:22px 0 0;font-size:17px;line-height:1.65}.home-page{gap:64px;padding-top:80px;display:grid}.home-hero .lede strong{color:var(--text)}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:40px;display:grid}.home-page .calculator-grid{margin-top:0}.calculator-card,.placeholder-card,.card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface)}.calculator-card,.placeholder-card{padding:24px}.calculator-card{transition:border-color var(--transition), background var(--transition);flex-direction:column;text-decoration:none;display:flex}.calculator-card-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.calculator-card-arrow{color:var(--accent-strong);transition:transform var(--transition);font-size:22px;line-height:1}.calculator-card:hover .calculator-card-arrow{transform:translate(3px)}.calculator-card:hover{border-color:var(--accent);background:var(--surface-soft)}.calculator-card h2,.placeholder-card h2,.card h2{letter-spacing:-.015em;margin:0;font-size:17px;font-weight:600;line-height:1.3}.calculator-card p,.placeholder-card p{color:var(--text-muted);margin:10px 0 0}.calculator-card .calculator-example{border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text-muted);font-variant-numeric:tabular-nums;margin-top:16px;padding:12px;font-size:12px}.calculator-example strong{color:var(--text);font-weight:700}.home-section{gap:28px;display:grid}.section-heading{max-width:720px}.section-heading h2{letter-spacing:-.035em;margin:0;font-size:clamp(28px,4vw,40px);font-weight:600;line-height:1.1}.principles-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.principle-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);grid-template-columns:auto minmax(0,1fr);gap:18px;padding:24px;display:grid}.principle-number{border:1px solid var(--accent);width:34px;height:34px;color:var(--accent-strong);border-radius:50%;place-items:center;font-weight:700;display:grid}.principle-card h3{margin:3px 0 0;font-size:17px}.principle-card p{color:var(--text-muted);margin:9px 0 0}.principle-card strong{color:var(--text)}.about-strip{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);grid-template-columns:minmax(0,1.5fr) minmax(250px,.7fr);gap:48px;padding:30px;display:grid}.about-strip h2{margin:0;font-size:21px}.about-strip p{max-width:720px;color:var(--text-muted);margin:12px 0 0}.about-strip .text-link{margin-top:18px;display:inline-block}.about-meta{gap:14px;margin:0;display:grid}.about-meta div{border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1fr) auto;gap:16px;padding-bottom:12px;display:grid}.about-meta div:last-child{border-bottom:0;padding-bottom:0}.about-meta dt{color:var(--text-muted)}.about-meta dd{font-variant-numeric:tabular-nums;text-align:right;margin:0;font-weight:600}.narrow-page{max-width:860px}.content-page-head .lede{white-space:pre-line}.content-page-head .lede>p{margin:0}.long-form-content{gap:38px;margin-top:52px;display:grid}.long-form-content>section{border-top:1px solid var(--border);padding-top:30px}.long-form-content h2{letter-spacing:-.02em;margin:0;font-size:20px}.long-form-content p,.long-form-content li{color:var(--text-muted);font-size:15px;line-height:1.75}.long-form-content p{margin:13px 0 0}.long-form-content ul{gap:10px;margin:15px 0 0;padding-left:22px;display:grid}.long-form-content strong{color:var(--accent-strong)}.long-form-content .principle-card{margin-top:13px}.blog-list{gap:20px;margin-top:36px;display:grid}.blog-card{gap:12px;padding:24px;display:grid}.blog-card-meta,.blog-post-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.blog-title-link{color:var(--text);transition:var(--transition);text-decoration:none}.blog-title-link:hover{color:var(--accent-strong)}.blog-card h2{letter-spacing:-.015em;margin:0;font-size:19px;line-height:1.35}.blog-subtitle{color:var(--text-muted);margin:0;font-size:14px;line-height:1.5}.breadcrumb-nav{margin-bottom:20px}.breadcrumb-nav a{font-size:13px;font-weight:500}.not-found-link{width:fit-content;margin-top:30px;text-decoration:none;display:inline-flex}.placeholder-card{max-width:800px;margin-top:40px}.site-footer{border-top:1px solid var(--border)}.site-footer-inner{justify-content:space-between;align-items:center;gap:24px;min-height:128px;display:flex}.footer-brand{color:var(--text-muted);align-items:center;gap:18px;font-size:12px;display:flex}.footer-links{gap:20px;display:flex}.button{border-radius:var(--radius-sm);min-height:42px;transition:background var(--transition), border-color var(--transition), color var(--transition);border:1px solid #0000;padding:9px 16px;font-weight:600}.button-primary{background:var(--accent-strong);color:var(--surface)}.button-primary:hover{background:var(--accent)}.button-secondary{border-color:var(--border-strong);background:var(--surface);color:var(--text)}.button-secondary:hover,.button-quiet:hover{background:var(--surface-2)}.button-quiet{color:var(--accent-strong);background:0 0}.button:disabled,.switch:disabled{cursor:not-allowed;opacity:.5}.field{gap:7px;display:grid}.field-label-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.field label{color:var(--text);font-size:13px;font-weight:600}.tooltip-hint-wrapper{align-items:center;display:inline-flex;position:relative}.tooltip-trigger{border:1px solid var(--border-strong);background:var(--surface-2);width:18px;height:18px;color:var(--text-muted);transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:11px;font-weight:600;line-height:1;display:inline-flex}.tooltip-trigger:hover,.tooltip-trigger:focus-visible{border-color:var(--accent);background:var(--surface);color:var(--accent-strong)}.tooltip-popover{z-index:50;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);width:max-content;max-width:260px;color:var(--text);padding:10px 12px;font-size:12px;font-weight:400;line-height:1.45;position:absolute;top:calc(100% + 6px);right:0}.field input,.field select{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);width:100%;min-height:42px;color:var(--text);padding:9px 12px}.field input:hover,.field select:hover{border-color:var(--accent)}.field select{appearance:none;background-image:var(--select-arrow);background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}.input-frame{display:block;position:relative}.input-affix{z-index:1;color:var(--text-muted);position:absolute;top:50%;transform:translateY(-50%)}.input-affix-prefix{left:12px}.input-affix-suffix{right:12px}.field input.input-prefix{padding-left:28px}.field input.input-suffix{padding-right:56px}.field input[type=number]::-webkit-inner-spin-button{margin-right:6px}.field input.input-suffix[type=number]::-webkit-inner-spin-button{display:none}.field-message{color:var(--text-muted);margin:0;font-size:12px}.field-error input,.field-error select{border-color:var(--amber);background:var(--amber-light)}.field-error .field-message{color:var(--amber-text);font-weight:500}.segmented-control{border:1px solid var(--border);background:var(--surface-2);border-radius:8px;grid-auto-columns:1fr;grid-auto-flow:column;padding:3px;display:grid}.segment{min-width:0;min-height:34px;color:var(--text-muted);text-align:center;white-space:nowrap;background:0 0;border:0;border-radius:5px;justify-content:center;align-items:center;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex}.segment-active{background:var(--surface);color:var(--accent-strong)}.switch{min-height:40px;color:var(--text);background:0 0;border:0;align-items:center;gap:9px;padding:0;font-weight:500;display:inline-flex}.tab-list{border-bottom:1px solid var(--border);gap:20px;display:flex;overflow-x:auto}.tab{min-height:42px;color:var(--text-muted);white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;padding:9px 2px;font-size:13px;font-weight:600}.tab-active{border-bottom-color:var(--accent);color:var(--accent-strong)}.tab-panel{padding-top:20px}.chart-legend{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--surface-soft);min-height:26px;color:var(--text-muted);border-radius:999px;align-items:center;gap:7px;padding:4px 9px;font-size:11px;font-weight:600;display:inline-flex}.chip-accent{border-color:var(--accent-light);background:var(--accent-bg);color:var(--accent-strong)}.metric-grid{border-top:1px solid var(--border);grid-template-columns:repeat(3,minmax(0,1fr));margin:24px 0 0;display:grid}.metric-grid-four{grid-template-columns:repeat(4,minmax(0,1fr))}.metric{border-right:1px solid var(--border);padding:20px 18px 0 0}.metric+.metric{padding-left:18px}.metric:last-child{border-right:0}.metric dt,.metric span{color:var(--text-muted);font-size:11px}.metric dd{font-variant-numeric:tabular-nums;margin:4px 0 0;font-size:20px;font-weight:600}.metric dd.metric-value-amber{color:var(--amber-text)}.metric span{margin-top:2px;display:block}.table-scroll{overflow-x:auto}.table-scroll:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.data-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.data-table th,.data-table td{border-bottom:1px solid var(--border);text-align:left;padding:11px 12px}.data-table thead th{color:var(--text-muted);font-size:11px;font-weight:600}.data-table tbody th{font-weight:500}.data-table .numeric-cell{text-align:right}.table-row-highlighted{background:var(--accent-bg)}.table-row-total{font-weight:700}.table-row-contextual th,.table-row-contextual td{color:var(--text-muted);border-bottom:0;padding-top:16px}.expander{overflow:hidden}.expander summary{justify-content:space-between;align-items:center;gap:16px;min-height:52px;padding:13px 18px;font-weight:600;list-style:none;display:flex}.expander summary::-webkit-details-marker{display:none}.expander-summary-end{align-items:center;gap:10px;display:flex}.expander-chevron{transition:transform var(--transition)}.expander[open] .expander-chevron{transform:rotate(180deg)}.expander-content{border-top:1px solid var(--border);padding:18px}.expander-content>:first-child{margin-top:0}.expander-content>:last-child{margin-bottom:0}.disclosure{border:1px solid var(--accent-light);border-radius:var(--radius-md);background:var(--accent-bg);gap:13px;padding:18px;display:flex}.disclosure-icon{border:1px solid var(--accent);width:22px;height:22px;color:var(--accent-strong);border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:700;display:grid}.disclosure h2{margin:0 0 5px;font-size:13px}.disclosure-copy,.disclosure-copy p{color:var(--text-muted);margin:0;font-size:12px}.chart-figure{margin:0}.line-chart{width:100%;height:auto;display:block;overflow:visible}.donut-figure{align-items:center;gap:20px;display:flex}.donut-chart{width:min(180px,45%);display:block;overflow:visible}.donut-track,.chart-grid-line,.chart-axis-line,.chart-guide-line{stroke:var(--border)}.chart-grid-line{stroke-dasharray:3 5}.chart-axis-line{stroke:var(--border-strong)}.chart-guide-line{stroke:var(--border-strong);stroke-dasharray:4 5}.chart-marker{fill:var(--surface);stroke:var(--accent);stroke-width:3px}.chart-line{stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.chart-line-dashed,.legend-line-dashed{stroke-dasharray:7 6}.chart-stroke-accent{stroke:var(--accent)}.chart-stroke-accent-light{stroke:var(--accent-light)}.chart-stroke-amber{stroke:var(--amber)}.chart-stroke-border{stroke:var(--border-strong)}.chart-fill-accent{background:var(--accent)}.chart-fill-accent-light{background:var(--accent-light)}.chart-fill-amber{background:var(--amber)}.chart-fill-border{background:var(--border-strong)}.donut-centre-label{fill:var(--text);font-size:10px;font-weight:700}.chart-axis-label{fill:var(--text-muted);font-size:10px}.chart-end-label{font-variant-numeric:tabular-nums;font-size:10px;font-weight:600}.chart-text-accent{fill:var(--accent-strong)}.chart-text-amber{fill:var(--amber-text)}.chart-legend{color:var(--text-muted);margin-top:14px;font-size:11px}.chart-legend>span{align-items:center;gap:6px;display:inline-flex}.legend-swatch{border-radius:2px;width:9px;height:9px}.legend-line{border-top:2px solid;width:18px;height:0}.legend-line.chart-stroke-accent{border-color:var(--accent)}.legend-line.chart-stroke-amber{border-color:var(--amber)}.calculator-page-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.calculator-page-head h1{font-size:clamp(30px,4vw,42px)}.calculator-page-head p{max-width:680px;color:var(--text-muted);margin:9px 0 0;font-size:15px}.calculator-layout{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:24px;display:grid}.calculator-layout>*,.result-stack>*{min-width:0}.calculator-sidebar{top:min(88px, calc(100vh - var(--sidebar-height,0px) - 24px));position:sticky}.sidebar-panel,.hero-card,.content-card{padding:22px}.sidebar-panel-head,.hero-card-head,.card-head{justify-content:space-between;align-items:start;gap:16px;display:flex}.hero-control{flex-shrink:0}.text-link{color:var(--accent);text-underline-offset:3px;overflow-wrap:anywhere;transition:color var(--transition), text-decoration-thickness var(--transition);font-weight:600;text-decoration:underline;text-decoration-thickness:1px}.text-link:hover{color:var(--accent-strong);text-decoration-thickness:2px}.quiet-link{min-height:32px;color:var(--accent-strong);background:0 0;border:0;padding:5px;font-size:12px;font-weight:600}.form-stack,.result-stack{gap:16px;display:grid}.form-stack{margin-top:22px}.hero-card{border-color:var(--accent-light)}.hero-figure{color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.045em;margin:0;font-size:clamp(38px,6vw,58px);font-weight:600;line-height:1}.hero-prefix,.hero-suffix{color:var(--text-muted);letter-spacing:-.01em;font-size:.48em}.hero-prefix{vertical-align:.42em;margin-right:3px}.hero-suffix{margin-left:7px}.hero-detail,.card-caption{color:var(--text-muted);margin-top:9px;font-size:12px}.switch-field{gap:2px;display:grid}.switch-field>p,.inline-note,.result-note{color:var(--text-muted);margin:0;font-size:12px}.result-note{margin-top:12px}.calculator-invalid-state{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:28px 22px}.calculator-invalid-state h2{margin:0;font-size:20px}.calculator-invalid-state p{color:var(--text-muted);margin:8px 0 0}.breakdown-legend,.assumption-list{gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.breakdown-legend li,.assumption-list li{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;display:grid}.breakdown-legend strong,.assumption-list strong{font-variant-numeric:tabular-nums;text-align:right}.assumption-list li{border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1fr) auto;padding-bottom:9px}.assumption-list li:last-child{border-bottom:0;padding-bottom:0}.source-metadata{margin-top:20px}.source-metadata h3{margin:0;font-size:13px}.source-metadata-list{gap:12px;margin:10px 0 0;padding:0;list-style:none;display:grid}.source-metadata-entry{border-bottom:1px solid var(--border);gap:3px;padding-bottom:10px;display:grid}.source-metadata-entry:last-child{border-bottom:0;padding-bottom:0}.source-metadata-label{color:var(--accent-strong);font-weight:600}.source-metadata-entry time,.source-metadata-detail,.source-metadata-note{color:var(--text-muted);font-size:12px}.source-metadata-note{margin:2px 0 0}.zero-value{color:var(--text-muted)}.chart-annotation{color:var(--text-muted);text-align:center;margin:12px 0 0;font-size:12px}.disclosure-copy p+p{margin-top:10px}.loan-detail-grid,.projection-detail-grid{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:start;gap:28px;display:grid}.loan-detail-grid>*,.projection-detail-grid>*{min-width:0}.breakdown-total{border-top:1px solid var(--border);padding-top:10px}.card-body{margin-top:20px}@media (max-width:1000px){.calculator-layout{grid-template-columns:1fr}.calculator-sidebar{position:static}.loan-detail-grid,.projection-detail-grid{grid-template-columns:1fr}}@media (max-width:800px){.site-header-inner,.site-footer-inner,.page-shell{width:min(calc(100% - 32px), var(--container))}.desktop-navigation{display:none}.header-actions{margin-left:auto}.menu-button{display:grid}.mobile-navigation:not([hidden]){display:block}.page-shell{padding-block:40px 56px}.home-page{gap:48px;padding-top:56px}.calculator-grid,.principles-grid,.about-strip{grid-template-columns:1fr}.about-strip{gap:30px}}@media (max-width:700px){.calculator-page-head,.blog-head-row,.hero-card-head,.site-footer-inner,.footer-brand{flex-direction:column;align-items:flex-start}.metric-grid{grid-template-columns:1fr}.metric,.metric+.metric{border-right:0;border-bottom:1px solid var(--border);padding:14px 0}.metric:last-child{border-bottom:0;padding-bottom:0}.donut-figure{flex-direction:column;align-items:flex-start}.donut-chart{width:160px}.site-footer-inner{justify-content:center;padding-block:32px}}@media (max-width:480px){.brand-name-optional,.theme-toggle-label{display:none}.theme-toggle{justify-content:center;width:44px;padding-inline:4px}.calculator-card,.placeholder-card,.principle-card,.about-strip,.sidebar-panel,.hero-card,.content-card{padding:18px}.footer-links{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@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-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@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}