:root{--color-brand: #1B3A5C;--color-brand-hover: #2A5285;--color-brand-tint: #EAF1F8;--color-accent: #C8A158;--color-accent-hover: #B08D45;--color-text: #14181E;--color-text-muted: #5A6470;--color-text-on-brand: #FFFFFF;--color-bg: #FFFFFF;--color-bg-subtle: #F6F7F9;--color-bg-soft: #FAFBFC;--color-border: #E3E6EB;--color-border-strong: #C9CFD8;--color-success: #2D7A4A;--color-warning: #B5701B;--color-danger: #B0331E;--font-display: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--container-max: 1180px;--container-narrow: 760px;--header-h: 60px;--sp-1: .25rem;--sp-2: .5rem;--sp-3: .75rem;--sp-4: 1rem;--sp-5: 1.5rem;--sp-6: 2rem;--sp-7: 3rem;--sp-8: 4rem;--r-sm: 4px;--r-md: 8px;--r-lg: 12px;--r-xl: 20px;--r-pill: 999px;--shadow-1: 0 1px 2px rgba(20,24,30,.06);--shadow-2: 0 2px 8px rgba(20,24,30,.08);--shadow-3: 0 6px 20px rgba(20,24,30,.1);--ease: cubic-bezier(.2,.8,.2,1);--t-fast: .12s;--t-base: .18s;--t-slow: .28s;--z-header: 50;--z-overlay: 100}@media (prefers-color-scheme: dark){:root{--color-brand: #5A8FCB;--color-brand-hover: #7AAEE8;--color-brand-tint: #1A2533;--color-accent: #D9B879;--color-accent-hover: #E8C98C;--color-text: #E5E9EF;--color-text-muted: #97A1AF;--color-text-on-brand: #0B1118;--color-bg: #0E1318;--color-bg-subtle: #151B22;--color-bg-soft: #11161C;--color-border: #232A33;--color-border-strong: #323B47;--shadow-1: 0 1px 2px rgba(0,0,0,.5);--shadow-2: 0 2px 8px rgba(0,0,0,.55);--shadow-3: 0 6px 20px rgba(0,0,0,.6)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,video,picture,svg,iframe{max-width:100%;height:auto;display:block}.skip-to-content{position:absolute;left:-9999px;top:var(--sp-2);background:var(--color-brand);color:var(--color-text-on-brand);padding:var(--sp-2) var(--sp-4);border-radius:var(--r-md);z-index:var(--z-overlay);text-decoration:none;font-weight:600}.skip-to-content:focus{left:var(--sp-2)}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a{color:var(--color-brand);text-decoration:none;transition:color var(--t-fast) var(--ease)}a:hover{color:var(--color-brand-hover)}main p a,main li a,main td a,main details a,main blockquote a,.faq a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px;border-radius:3px}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.2;margin:1.4em 0 .5em;text-wrap:balance;letter-spacing:-.01em}h1{font-size:clamp(1.75rem,4vw + .25rem,2.5rem);margin-top:.4em}h2{font-size:clamp(1.4rem,2.5vw + .25rem,1.875rem)}h3{font-size:1.375rem}h4{font-size:1.125rem}p{margin:0 0 1em;text-wrap:pretty}ul,ol{padding-left:1.4em}li{margin-bottom:.3em}hr{border:0;height:1px;background:var(--color-border);margin:var(--sp-6) 0}code,kbd,samp{font-family:var(--font-mono);font-size:.92em;background:var(--color-bg-subtle);padding:.1em .35em;border-radius:var(--r-sm)}table{border-collapse:collapse;width:100%;margin:var(--sp-5) 0;font-size:.95rem}th,td{border-bottom:1px solid var(--color-border);padding:var(--sp-3) var(--sp-3);text-align:left;vertical-align:top}th{font-weight:600;background:var(--color-bg-subtle)}blockquote{border-left:3px solid var(--color-accent);margin:var(--sp-5) 0;padding:var(--sp-2) var(--sp-5);color:var(--color-text-muted);font-style:italic}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--sp-4)}.container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 var(--sp-4)}main{display:block;min-height:50vh}.section{padding:var(--sp-7) 0}.section-tight{padding:var(--sp-5) 0}.grid{display:grid;gap:var(--sp-5)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-auto{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}@media (max-width: 880px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 560px){.grid-3,.grid-2{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);padding:.65rem 1.2rem;background:var(--color-brand);color:var(--color-text-on-brand);border-radius:var(--r-md);font-weight:600;font-family:var(--font-body);font-size:1rem;border:1px solid transparent;cursor:pointer;text-decoration:none;min-height:44px;transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.btn:hover{background:var(--color-brand-hover);color:var(--color-text-on-brand);text-decoration:none}.btn:active{transform:translateY(1px)}.btn-accent{background:var(--color-accent);color:#1a1208}.btn-accent:hover{background:var(--color-accent-hover);color:#1a1208}.btn-ghost{background:transparent;color:var(--color-brand);border-color:var(--color-border-strong)}.btn-ghost:hover{background:var(--color-brand-tint);color:var(--color-brand)}.btn-sm{padding:.4rem .8rem;font-size:.92rem;min-height:36px}.chip{display:inline-flex;align-items:center;padding:.55rem .9rem;min-height:44px;background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--r-pill);font-size:.9rem;color:var(--color-text-muted);text-decoration:none}.chip:hover{background:var(--color-brand-tint);color:var(--color-brand);border-color:var(--color-brand)}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--r-lg);overflow:hidden;transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.card:hover{border-color:var(--color-border-strong);box-shadow:var(--shadow-2);transform:translateY(-2px)}.card-body{padding:var(--sp-4)}.card-title{font-family:var(--font-display);font-weight:700;font-size:1.125rem;margin:0 0 var(--sp-2);line-height:1.3;color:var(--color-text)}.card-meta{font-size:.85rem;color:var(--color-text-muted);margin:0}.hero{background:radial-gradient(ellipse at top right,rgba(200,161,88,.15),transparent 60%),linear-gradient(180deg,#1b3a5c,#14181e);color:#fff;padding:var(--sp-8) 0;position:relative;overflow:hidden}.hero--with-image .hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.55}.hero--with-image .hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,#14181e8c,#14181ed9),radial-gradient(ellipse at top right,rgba(200,161,88,.18),transparent 60%);z-index:1}.hero--with-image .hero__inner{position:relative;z-index:2}.hero h1{color:#fff;font-size:clamp(2rem,5vw + .5rem,3.25rem);max-width:18ch}.hero p{color:#c5ccd6;font-size:1.125rem;max-width:60ch;margin-bottom:var(--sp-5)}.hero-cta{display:flex;flex-wrap:wrap;gap:var(--sp-3)}.hero:after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");opacity:.6;pointer-events:none;mix-blend-mode:overlay}.spec-list{display:flex;flex-wrap:wrap;gap:var(--sp-2);list-style:none;padding:0;margin:var(--sp-3) 0}.spec-list li{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--r-md);padding:var(--sp-2) var(--sp-3);font-size:.875rem;margin:0}.spec-list strong{display:block;color:var(--color-text-muted);font-weight:500;font-size:.78rem}.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5);margin:var(--sp-5) 0}.pros-cons>div{border:1px solid var(--color-border);border-radius:var(--r-lg);padding:var(--sp-4);background:var(--color-bg-soft)}.pros h3{color:var(--color-success);margin-top:0}.cons h3{color:var(--color-danger);margin-top:0}.pros-cons ul{padding-left:1.2em;margin:0}.pros-cons li{margin-bottom:var(--sp-2)}@media (max-width: 640px){.pros-cons{grid-template-columns:1fr}}.faq details{border-bottom:1px solid var(--color-border);padding:var(--sp-3) 0}.faq details:first-of-type{border-top:1px solid var(--color-border)}.faq summary{font-weight:600;cursor:pointer;list-style:none;padding-right:1.5em;position:relative;font-family:var(--font-display)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;top:0;font-size:1.4rem;line-height:1;color:var(--color-text-muted);transition:transform var(--t-fast) var(--ease)}.faq details[open] summary:after{content:"−"}.faq details[open] summary{color:var(--color-brand)}.faq details>p,.faq details>div{padding-top:var(--sp-2);color:var(--color-text-muted)}.site-footer{background:var(--color-bg-subtle);border-top:1px solid var(--color-border);padding:var(--sp-7) 0 var(--sp-5);margin-top:var(--sp-8);font-size:.92rem;color:var(--color-text-muted)}.site-footer a{color:var(--color-text-muted)}.site-footer a:hover{color:var(--color-brand)}.site-footer h3{font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text);margin:0 0 var(--sp-3)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--sp-6);margin-bottom:var(--sp-6)}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin-bottom:var(--sp-2)}@media (max-width: 720px){.footer-grid li a{display:inline-block;min-height:44px;padding:10px 0;line-height:24px}}.footer-bottom{border-top:1px solid var(--color-border);padding-top:var(--sp-4);display:flex;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;font-size:.85rem}@media (max-width: 720px){.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width: 480px){.footer-grid{grid-template-columns:1fr}}.site-header{position:sticky;top:0;z-index:var(--z-header);background:var(--color-bg);border-bottom:1px solid var(--color-border);height:var(--header-h);display:flex;align-items:center;backdrop-filter:saturate(180%) blur(8px)}.site-header .container{display:flex;align-items:center;gap:var(--sp-4);width:100%}.site-logo{display:inline-flex;align-items:center;gap:var(--sp-2);text-decoration:none;color:var(--color-text);font-family:var(--font-display);font-weight:800;font-size:1.05rem;letter-spacing:-.01em;padding:.4rem 0;min-height:44px}.site-logo img,.site-logo svg{width:32px;height:32px}.site-nav{margin-left:auto;display:flex;gap:var(--sp-5);align-items:center}.site-nav a{color:var(--color-text);font-weight:500;font-size:.95rem;padding:var(--sp-2) 0;position:relative}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--color-brand)}.site-nav a[aria-current=page]:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--color-brand)}.nav-toggle{display:none;background:transparent;border:0;width:44px;height:44px;cursor:pointer;padding:0}.nav-toggle svg{width:24px;height:24px}@media (max-width: 760px){.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}.site-nav{position:absolute;top:var(--header-h);left:0;right:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-direction:column;align-items:stretch;padding:var(--sp-3) var(--sp-4);gap:0;margin:0;box-shadow:var(--shadow-2);display:none}.site-nav.is-open{display:flex}.site-nav a{padding:var(--sp-3) 0;border-bottom:1px solid var(--color-border)}.site-nav a:last-child{border-bottom:0}}.breadcrumbs{font-size:.85rem;color:var(--color-text-muted);padding:var(--sp-3) 0}.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.4em}.breadcrumbs li{margin:0}.breadcrumbs li+li:before{content:"/";color:var(--color-border-strong);margin-right:.4em}.breadcrumbs a{color:var(--color-text-muted)}.breadcrumbs a:hover{color:var(--color-brand)}.breadcrumbs [aria-current=page]{color:var(--color-text);font-weight:500}@media (max-width: 720px){.breadcrumbs ol{gap:.6em}.breadcrumbs a,.breadcrumbs [aria-current=page]{display:inline-block;min-height:44px;padding:12px 0;line-height:20px}}.pagination{display:flex;gap:var(--sp-2);justify-content:center;padding:var(--sp-6) 0}.pagination a,.pagination span{min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:var(--r-md);text-decoration:none;font-weight:500;color:var(--color-text);padding:0 .8rem}.pagination a:hover{background:var(--color-bg-subtle);color:var(--color-brand)}.pagination [aria-current=page]{background:var(--color-brand);color:var(--color-text-on-brand);border-color:var(--color-brand)}.calc-form{display:grid;gap:var(--sp-4);background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--r-lg);padding:var(--sp-5)}.calc-form label{display:block;font-weight:500;margin-bottom:var(--sp-2);font-size:.92rem}.calc-form input,.calc-form select{width:100%;padding:var(--sp-3);border:1px solid var(--color-border-strong);border-radius:var(--r-md);font-size:1rem;background:var(--color-bg);color:var(--color-text);font-family:inherit;min-height:44px}.calc-form input:focus,.calc-form select:focus{outline:2px solid var(--color-brand);outline-offset:1px;border-color:var(--color-brand)}.calc-result{margin-top:var(--sp-5);padding:var(--sp-4);background:var(--color-brand-tint);border-radius:var(--r-md);font-size:1rem}.calc-result .big{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--color-brand);display:block}