:root{--ink:#132238;--muted:#617086;--line:#dce4ec;--soft:#f4f7fa;--accent:#087f5b;--accent-dark:#066a4c;--warm:#fff8e8;--white:#fff;--shadow:0 14px 40px rgba(22,37,56,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}main{min-height:70vh}.container{width:min(1120px,calc(100% - 36px));margin:0 auto}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:hsla(0,0%,100%,.92);border-bottom:1px solid rgba(220,228,236,.8);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{height:72px;justify-content:space-between}.brand,.header-inner{display:flex;align-items:center}.brand{gap:10px;font-size:1.2rem;font-weight:850;letter-spacing:-.03em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--accent);color:#fff}.site-header nav{display:flex;gap:28px;font-weight:650;color:#475569}.site-header nav a:hover{color:var(--accent)}.hero{padding:82px 0 66px;background:radial-gradient(circle at 85% 10%,#dff7ed 0,transparent 31%),linear-gradient(180deg,#f8fbfa,#fff)}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;grid-gap:64px;gap:64px;align-items:center}.eyebrow{display:inline-block;color:var(--accent);font-size:.78rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.guide-article h1,.hero h1,.tool-header h1{font-size:clamp(2.4rem,5vw,4.45rem);line-height:1.03;letter-spacing:-.055em;margin:15px 0 20px}.hero-copy,.lead{font-size:1.16rem;color:var(--muted);max-width:720px}.hero-actions{display:flex;align-items:center;gap:24px;margin:32px 0}.primary-button,.secondary-button{display:inline-flex;justify-content:center;border:0;border-radius:12px;padding:13px 20px;font-weight:800;cursor:pointer}.primary-button{background:var(--accent);color:#fff;box-shadow:0 9px 24px rgba(8,127,91,.2)}.primary-button:hover{background:var(--accent-dark)}.secondary-button{background:#e9f5f1;color:var(--accent-dark);margin-top:10px}.text-link{font-weight:800}.trust-row{display:flex;flex-wrap:wrap;gap:16px;color:#516174;font-size:.9rem}.hero-card{background:#fff;border:1px solid var(--line);border-radius:25px;padding:34px;box-shadow:var(--shadow);transform:rotate(1deg)}.hero-card-icon{font-size:2.6rem}.hero-card strong{display:block;font-size:1.45rem;margin:18px 0 8px}.hero-card p{color:var(--muted)}.mini-stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin-top:25px;padding-top:22px}.mini-stats div{display:flex;flex-direction:column}.mini-stats span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.mini-stats b{font-size:1.6rem}.ad-slot{margin:40px 0;border:1px dashed #b8c4d0;background:#fafbfc;border-radius:14px;min-height:95px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#728094;text-align:center;padding:20px}.ad-slot span{font-size:.78rem;font-weight:850;text-transform:uppercase;letter-spacing:.1em}.ad-slot small{margin-top:4px}.tools-section{padding:34px 0 80px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:28px}.disclosure h2,.related h2,.section-heading h2{font-size:clamp(1.8rem,3vw,2.65rem);letter-spacing:-.04em;margin:7px 0 0}.search-box input{width:min(370px,80vw);border:1px solid var(--line);border-radius:13px;padding:13px 16px;background:#fff;outline:none}.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(8,127,91,.1)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.tool-card{position:relative;display:block;border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;transition:.2s ease}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8d8ce}.tool-icon{font-size:1.8rem;display:inline-block;margin-right:8px}.tool-icon.large{font-size:3rem;margin-bottom:10px}.pill{display:inline-block;border-radius:999px;padding:5px 10px;background:#eaf6f2;color:var(--accent-dark);font-size:.72rem;font-weight:850;text-transform:uppercase;letter-spacing:.07em}.tool-card h3{font-size:1.25rem;margin:18px 0 7px;letter-spacing:-.025em}.guide-card p,.tool-card p{color:var(--muted);font-size:.94rem}.card-link{font-weight:800;color:var(--accent);font-size:.9rem}.soft-section{background:var(--soft);padding:78px 0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.guide-card{background:#fff;border-radius:18px;padding:28px;border:1px solid var(--line)}.guide-card>span{color:var(--accent);font-size:.75rem;font-weight:850;text-transform:uppercase}.guide-card h3{font-size:1.28rem;line-height:1.25;margin:13px 0}.guide-card b{color:var(--accent)}.disclosure{padding:70px 0;max-width:820px}.disclosure p{color:var(--muted);font-size:1.05rem}.article-shell,.page-shell{padding:32px 0 80px}.breadcrumb{display:flex;gap:9px;align-items:center;font-size:.86rem;color:var(--muted);margin-bottom:36px}.breadcrumb a:hover{color:var(--accent)}.tool-header{max-width:800px;margin-bottom:35px}.tool-header h1{font-size:clamp(2.2rem,5vw,3.7rem)}.tool-header p{font-size:1.12rem;color:var(--muted)}.calculator-grid{display:grid;grid-template-columns:1.05fr .95fr;grid-gap:22px;gap:22px;align-items:stretch}.content-card,.panel{border:1px solid var(--line);border-radius:22px;background:#fff;padding:30px;box-shadow:0 8px 28px rgba(22,37,56,.05)}.panel h2{margin:0 0 22px;font-size:1.35rem}.fields{display:grid;grid-template-columns:1fr 1fr;grid-gap:18px;gap:18px}.field>span{display:block;font-weight:750;font-size:.87rem;margin-bottom:7px}.input-wrap{position:relative}.input-wrap input,.input-wrap select{width:100%;border:1px solid #ccd6e1;border-radius:11px;padding:12px 44px 12px 13px;outline:none;background:#fff}.input-wrap select{padding-right:12px}.input-wrap input:focus,.input-wrap select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(8,127,91,.1)}.unit{position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem}.result-panel{background:linear-gradient(145deg,#0a7657,#075840);color:#fff}.result-panel .eyebrow{color:#b7f3df}.results{display:grid;grid-gap:10px;gap:10px}.result{background:hsla(0,0%,100%,.1);border:1px solid hsla(0,0%,100%,.16);border-radius:13px;padding:15px 17px;display:flex;justify-content:space-between;align-items:center;gap:15px}.result span{font-size:.88rem;color:#d7f2e9}.result strong{font-size:1.15rem;text-align:right}.primary-result{display:block;padding:22px}.primary-result span{display:block;margin-bottom:4px}.primary-result strong{font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.04em}.fine-print{font-size:.76rem;color:#d1ece3;margin:18px 0 0}.content-card{max-width:850px;margin:30px auto 0}.content-card h2{font-size:1.7rem;letter-spacing:-.035em;margin:32px 0 10px}.content-card h2:first-child{margin-top:0}.content-card p{color:#526174}.faq-list details{border-top:1px solid var(--line);padding:16px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{margin-bottom:0}.related{margin-top:55px}.tool-grid.compact{grid-template-columns:repeat(3,1fr)}.guide-article{padding:clamp(28px,5vw,58px);max-width:850px}.guide-article h1{font-size:clamp(2.15rem,5vw,3.6rem)}.guide-article section{margin-top:34px}.note{background:var(--warm);border-radius:14px;padding:20px;margin-top:35px}.note p{margin-bottom:0}.contact-email{font-size:1.25rem;font-weight:800}.site-footer{background:#102034;color:#d6dfe9;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:50px;gap:50px}.footer-brand{color:#fff}.footer-grid p{max-width:420px;color:#9fb0c3}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:9px}.footer-grid strong{color:#fff;margin-bottom:4px}.copyright{border-top:1px solid #2b3b4e;margin-top:35px;padding-top:22px;color:#8fa0b2;font-size:.82rem}.empty-page,.empty-state{text-align:center;padding:60px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:850px){.calculator-grid,.hero-grid{grid-template-columns:1fr}.hero-card{transform:none}.footer-grid,.guide-grid,.tool-grid,.tool-grid.compact{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.site-header nav a:last-child{display:none}}@media(max-width:590px){.container{width:min(100% - 24px,1120px)}.site-header nav{gap:15px;font-size:.86rem}.hero{padding:55px 0 45px}.hero h1{font-size:2.65rem}.hero-actions{align-items:flex-start;flex-direction:column;gap:13px}.section-heading{align-items:stretch;flex-direction:column}.search-box input{width:100%}.fields,.guide-grid,.tool-grid,.tool-grid.compact{grid-template-columns:1fr}.panel{padding:22px}.result{align-items:flex-start;flex-direction:column}.result strong{text-align:left}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}