:root{--ink:#182942;--muted:#63728a;--blue:#2563eb;--softblue:#eaf1ff;--bg:#f6f8fc;--border:#e3e8f0;--white:#fff;--shadow:0 12px 32px rgba(31,55,92,.045)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.55 'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #9dbaff;outline-offset:3px}p{margin:0}svg{flex-shrink:0}h1,h2,h3{letter-spacing:-.045em;line-height:1.18;margin:0;font-weight:800}h1{font-size:clamp(2.2rem,5vw,3.3rem)}h2{font-size:clamp(1.45rem,3vw,1.85rem)}.container{width:min(1150px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-999px;top:0;padding:12px;background:#fff;z-index:10}.skip-link:focus{left:8px}.site-header{background:#fff;border-bottom:1px solid var(--border)}.header-inner{height:82px;display:flex;align-items:center;gap:42px}.brand{display:flex;align-items:center;gap:12px;font-size:1.4rem;font-weight:800;letter-spacing:-.05em;white-space:nowrap}.brand-blue{color:var(--blue)}.brand-mark{width:43px;height:43px;display:grid;place-items:center;border-radius:12px;color:white;background:var(--blue);box-shadow:0 7px 17px #2563eb24}.main-nav{display:flex;gap:27px;margin-left:auto}.main-nav a{font-size:.9rem;color:#506079;font-weight:600}.main-nav a:hover,.footer-links a:hover{color:var(--blue)}.locale-switch{display:flex;align-items:center;gap:7px;font-size:.86rem;color:#9aa5b4}.locale-switch a{color:#8793a7;font-weight:600}.locale-switch a[aria-current]{color:var(--blue)}.hero{background:radial-gradient(ellipse at 86% 12%,#e4edff 0,transparent 38%),linear-gradient(165deg,#f6f9ff,#f8faff);border-bottom:1px solid #edf1f8}.hero-content{padding:83px 0 78px;text-align:center;display:flex;flex-direction:column;align-items:center}.eyebrow,.page-eyebrow{display:inline-flex;align-items:center;gap:6px;color:#2764d9;background:#e8f0ff;border-radius:30px;padding:7px 13px;font-size:.78rem;font-weight:800;letter-spacing:.01em}.hero h1{max-width:800px;margin:18px auto 15px}.hero p{font-size:1.08rem;color:var(--muted);max-width:610px}.search-box{margin-top:33px;width:min(615px,100%);height:62px;display:flex;gap:15px;align-items:center;text-align:left;color:#8e9bb1;background:#fff;border:1px solid #dce4ef;border-radius:14px;box-shadow:0 12px 26px #234f9812;padding:0 20px}.search-box:focus-within{border-color:#96b9f9}.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:var(--ink);font-size:.96rem}.search-box input:focus-visible{outline:0}.search-box input::placeholder{color:#9aa5b5}.section{padding:54px 0 85px}.section-tight{padding-bottom:5px}.section-header{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}.section-label{display:block;color:var(--blue);font-size:.77rem;font-weight:800;text-transform:uppercase;letter-spacing:.11em;margin-bottom:9px}.tool-count{color:var(--muted);font-size:.86rem}.category-grid,.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.category-card{display:flex;align-items:center;gap:18px;padding:24px;border:1px solid var(--border);border-radius:17px;box-shadow:var(--shadow);background:#fff;transition:box-shadow .18s,border-color .18s,transform .18s}.category-card:hover,.tool-card:hover{box-shadow:0 17px 32px #283e6520;transform:translateY(-2px);border-color:#bed0f1}.category-icon,.tool-icon{width:52px;height:52px;background:var(--softblue);color:var(--blue);display:grid;place-items:center;border-radius:13px;flex-shrink:0}.category-content{display:flex;flex-direction:column;gap:4px;flex:1}.category-content strong{font-size:1rem;line-height:1.3}.category-content small{color:var(--muted);font-size:.82rem}.category-arrow{color:#6c87bb}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-card{display:flex;flex-direction:column;align-items:flex-start;min-height:228px;padding:25px;border:1px solid var(--border);border-radius:17px;background:#fff;box-shadow:var(--shadow);transition:box-shadow .18s,border-color .18s,transform .18s}.tool-name{font-weight:800;font-size:1.07rem;letter-spacing:-.025em;margin-top:18px}.tool-summary{color:var(--muted);font-size:.87rem;margin-top:5px;line-height:1.6;flex:1}.tool-bottom{display:flex;justify-content:space-between;align-items:center;gap:5px;width:100%;font-size:.75rem;color:#8996a8;margin-top:24px}.tool-bottom>span:last-child{color:var(--blue)}.no-results{margin:20px 0;color:var(--muted)}[hidden]{display:none!important}.site-footer{background:#f8fafd;border-top:1px solid var(--border)}.footer-inner{padding:38px 0;display:flex;justify-content:space-between;gap:30px}.footer-brand{font-size:1.2rem;font-weight:800}.footer-inner p{font-size:.84rem;margin-top:5px;color:var(--muted)}.footer-links{display:flex;gap:26px;align-items:start;font-size:.85rem;color:var(--muted)}.footer-copy{padding:0 0 22px;color:#96a3b2;font-size:.78rem}.page-head{background:linear-gradient(145deg,#f6f9ff,#f9fbff);padding:44px 0 42px;border-bottom:1px solid #edf1f7}.page-head h1{font-size:clamp(2rem,4vw,2.75rem);margin:16px 0 11px}.page-head p{max-width:670px;color:var(--muted);font-size:.99rem}.page-eyebrow{padding:5px 11px;margin-top:23px;font-size:.75rem}.crumbs{display:flex;align-items:center;gap:9px;font-size:.77rem;color:#8290a3}.crumbs a:hover,.breadcrumb:hover{color:var(--blue)}.breadcrumb{color:var(--blue);font-size:.84rem;font-weight:700}.calculator-section{background:#fafbfd;padding-top:37px}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:27px;align-items:start}.main-content{min-width:0}.tool-panel,.content-card,.sidebar-card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.tool-panel{padding:32px}.panel-head{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;letter-spacing:-.025em;margin-bottom:25px}.panel-head svg{color:var(--blue)}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:21px 18px}.field{display:flex;flex-direction:column;gap:9px}.field label{font-weight:700;font-size:.86rem}.field-control{position:relative}.field input{border:1px solid #dae2ed;outline:0;width:100%;height:51px;border-radius:10px;padding:0 57px 0 14px;background:#fbfcff;color:var(--ink);font-weight:600}.field input:focus{border-color:#7aa9fa;box-shadow:0 0 0 3px #e2eeff}.field .unit{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:#9ca7b7;font-size:.84rem;pointer-events:none}.field-help{font-size:.76rem;color:var(--muted)}.btn-primary{border:0;background:var(--blue);color:#fff;border-radius:11px;font-weight:800;padding:15px 25px;transition:background .15s}.btn-primary:hover{background:#1854dd}.tool-panel .btn-primary{width:100%;margin-top:26px}.form-error{margin-top:14px;color:#b42318;font-size:.87rem;font-weight:700}.result-panel{margin-top:18px;background:#eaf2ff;border:1px solid #d9e8ff;padding:27px 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p+p{margin-top:14px}
@media(max-width:820px){.main-nav{display:none}.header-inner{height:70px}.hero-content{padding:68px 0}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-column{grid-template-columns:1fr}.sidebar{display:none}.related .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:570px){.container{width:min(100% - 30px,1150px)}.header-inner{gap:10px}.brand{font-size:1.27rem}.brand-mark{width:39px;height:39px}.locale-switch{margin-left:auto}.hero-content{padding:58px 0 56px}.hero p{font-size:.96rem}.search-box{height:56px;margin-top:26px}.section{padding:37px 0 55px}.section-tight{padding-bottom:0}.section-header{margin-bottom:18px}.category-grid,.tool-grid,.related .tool-grid{grid-template-columns:1fr;gap:12px}.category-card{padding:18px}.tool-card{min-height:195px;padding:21px}.page-head{padding:30px 0}.calculator-section{padding-top:20px}.tool-panel{padding:21px}.field-grid{grid-template-columns:1fr;gap:15px}.content-card{padding:22px}.result-panel{padding:22px}.footer-inner{flex-direction:column;gap:20px}.footer-links{gap:18px}}