.site-header[data-astro-cid-3ef6ksr2]{background:var(--header-bg);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #0003}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1.5rem;height:60px}.site-logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.5rem;color:#fff;font-weight:700;font-size:1.1rem;text-decoration:none;white-space:nowrap}.logo-icon[data-astro-cid-3ef6ksr2]{font-size:1.4rem;background:var(--brand);border-radius:6px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center}nav[data-astro-cid-3ef6ksr2]{margin-left:auto}nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{list-style:none;margin:0;padding:0;display:flex;gap:.25rem}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:#ffffffd9;text-decoration:none;padding:.4rem .75rem;border-radius:var(--radius);font-size:.9rem;transition:background .15s,color .15s}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:#ffffff1f;color:#fff}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none}@media (max-width:660px){.nav-toggle[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column;gap:5px;background:0 0;border:0;cursor:pointer;padding:.4rem;margin-left:auto}.nav-toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;width:22px;height:2px;background:#fff;border-radius:2px}nav[data-astro-cid-3ef6ksr2]{display:none;position:absolute;top:60px;left:0;right:0;background:var(--header-bg);padding:1rem;margin-left:0;box-shadow:0 4px 12px #0003}nav[data-astro-cid-3ef6ksr2].open{display:block}nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{flex-direction:column;gap:.25rem}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:.6rem .75rem}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--header-bg);color:#fffc;padding:2.5rem 0 1.5rem;margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:1.25rem}.footer-brand[data-astro-cid-sz7xmlte] strong[data-astro-cid-sz7xmlte]{color:#fff;font-size:1.05rem}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:.3rem 0 0;font-size:.9rem}nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:flex;gap:.5rem 1.25rem;flex-wrap:wrap}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#ffffffbf;font-size:.9rem;text-decoration:none}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-copy[data-astro-cid-sz7xmlte]{font-size:.8rem;color:#ffffff80;margin:0;border-top:1px solid rgba(255,255,255,.1);padding-top:1rem}@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-border-style:solid}}}@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-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;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{.absolute{position:absolute}.static{position:static}.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}.flex{display:flex}.hidden{display:none}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.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))}}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.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(/_astro/inter-cyrillic-wght-normal.DqGufNeO.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(/_astro/inter-greek-ext-wght-normal.DlzME5K_.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(/_astro/inter-greek-wght-normal.CkhJZR-_.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(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.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(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.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(/_astro/inter-latin-wght-normal.Dx4kXJAl.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}:root{--brand:#1e6fb5;--brand-dark:#1a5a9a;--brand-light:#e8f1fb;--header-bg:#1a3a6b;--bg:#f8faff;--text:#1a202c;--text-muted:#4a5568;--border:#d1ddf0;--radius:8px;--shadow:0 2px 8px #1e6fb514}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter Variable,Inter,system-ui,sans-serif;line-height:1.6}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{font-weight:700;line-height:1.25}.container{max-width:860px;margin:0 auto;padding:0 1.25rem}.container--wide{max-width:1100px;margin:0 auto;padding:0 1.25rem}.btn{border-radius:var(--radius);cursor:pointer;border:2px solid #0000;align-items:center;gap:.4rem;padding:.65rem 1.4rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);text-decoration:none}.btn-outline{color:var(--brand);border-color:var(--brand);background:0 0}.btn-outline:hover{background:var(--brand-light);text-decoration:none}.card{border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;padding:1.5rem}.badge{background:var(--brand-light);color:var(--brand);border-radius:20px;padding:.2rem .7rem;font-size:.8rem;font-weight:600;display:inline-block}.section{padding:3rem 0}.section-title{color:var(--header-bg);margin-bottom:.5rem;font-size:1.6rem}.section-lead{color:var(--text-muted);margin-bottom:2rem}.hero{background:linear-gradient(135deg,var(--header-bg) 0%,#1e6fb5 100%);color:#fff;text-align:center;padding:3rem 0 2.5rem}.hero h1{margin-bottom:.75rem;font-size:clamp(1.6rem,4vw,2.4rem)}.hero p{opacity:.9;margin-bottom:1.5rem;font-size:1.05rem}.calculator-section{padding:2.5rem 0}.calc-wrap{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:12px;padding:2rem}.calc-control{flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.calc-control label{color:var(--header-bg);font-weight:600}.calc-control select{border:2px solid var(--border);border-radius:var(--radius);color:var(--text);cursor:pointer;background:#fff;padding:.5rem .9rem;font-size:1rem}.calc-control select:focus{border-color:var(--brand);outline:0}.inputs-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.8rem;margin-bottom:1.5rem;display:grid}.input-item{flex-direction:column;gap:.3rem;display:flex}.input-item label{color:var(--text-muted);font-size:.85rem;font-weight:600}.input-item input{border:2px solid var(--border);border-radius:var(--radius);background:#fff;padding:.55rem .75rem;font-size:1rem;transition:border-color .15s}.input-item input:focus{border-color:var(--brand);outline:0}.calc-actions{flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem;display:flex}.calc-result{background:var(--brand-light);border:2px solid var(--brand);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex}.result-label{color:var(--header-bg);font-size:1.05rem;font-weight:600}.result-value{color:var(--brand);font-size:1.8rem;font-weight:700}.blog-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.blog-card{flex-direction:column;height:100%;display:flex}.blog-card__body{flex:1}.blog-card__title{color:var(--header-bg);margin:.5rem 0;font-size:1.1rem}.blog-card__date{color:var(--text-muted);font-size:.8rem}.blog-card__excerpt{color:var(--text-muted);margin:.5rem 0 1rem;font-size:.93rem}.blog-card__link{color:var(--brand);font-size:.9rem;font-weight:600}.prose h2{color:var(--header-bg);margin-top:2rem;font-size:1.4rem}.prose h3{color:var(--header-bg);margin-top:1.5rem;font-size:1.15rem}.prose p{margin:.9rem 0}.prose ul,.prose ol{margin:.9rem 0;padding-left:1.5rem}.prose li{margin:.3rem 0}.prose strong{color:var(--header-bg)}.prose table{border-collapse:collapse;width:100%;margin:1rem 0}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:.5rem .75rem}.prose th{background:var(--brand-light);color:var(--header-bg);font-weight:600}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--header-bg);margin-bottom:.4rem;font-weight:600;display:block}.form-group input,.form-group textarea,.form-group select{border:2px solid var(--border);border-radius:var(--radius);background:#fff;width:100%;padding:.65rem .9rem;font-family:inherit;font-size:1rem;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus{border-color:var(--brand);outline:0}#cookie-banner{color:#fff;z-index:999;background:#1a3a6b;flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex;position:fixed;bottom:0;left:0;right:0}#cookie-banner p{flex:1;margin:0;font-size:.9rem}#cookie-banner button{border-radius:var(--radius);cursor:pointer;border:0;padding:.5rem 1.1rem;font-weight:600}#cookie-accept{background:var(--brand);color:#fff}#cookie-decline{color:#fff;background:0 0;border:2px solid #fff6!important}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}