:root{--ink:#171713;--paper:#f7f4ec;--card:#fffefa;--line:#d8d1c4;--accent:#ff5a36;--accent-soft:#ffe1d8;--accent2:#17483d;--muted:#66635b;--shadow:0 10px 30px rgba(23,23,19,.08);--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.32;background-image:linear-gradient(rgba(23,23,19,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,23,19,.035) 1px,transparent 1px);background-size:32px 32px;z-index:-1}
a{color:inherit}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:1180px;margin:auto;padding:0 24px}
header{border-bottom:1px solid var(--ink);background:rgba(247,244,236,.94);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:1.55rem;font-weight:950;letter-spacing:-.07em;text-decoration:none}
.logo:before{content:"=";display:grid;place-items:center;width:31px;height:31px;border:2px solid var(--ink);border-radius:9px;background:var(--accent);font-size:1rem;line-height:1;transform:rotate(-3deg)}
.logo span{color:var(--accent)}
.navlinks{display:flex;gap:8px;font-size:.88rem;font-weight:800}
.navlinks a{padding:8px 11px;border-radius:9px;text-decoration:none}
.navlinks a:hover{background:var(--ink);color:var(--paper)}
main{padding:50px 0 90px}
.hero{border:1px solid var(--ink);border-radius:18px;background:var(--card);padding:48px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero:after{content:"%  ×  €";position:absolute;right:24px;bottom:-35px;font-size:7rem;font-weight:950;letter-spacing:-.12em;color:var(--accent-soft);transform:rotate(-7deg);pointer-events:none}
.hero-home{min-height:390px;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:.7rem;font-weight:950;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:11px}
.hero h1{position:relative;z-index:1;margin:0 0 16px;font-size:clamp(3rem,7vw,6.3rem);line-height:.91;letter-spacing:-.075em;max-width:850px}
.lead{position:relative;z-index:1;font-size:1.16rem;max-width:720px;color:#504d46}
.search{position:relative;z-index:2;width:100%;margin-top:27px;padding:16px 18px;border:1px solid var(--ink);border-radius:10px;background:#fff;font:inherit;font-size:1rem;outline:0}
.search:focus{box-shadow:0 0 0 3px var(--accent-soft),0 0 0 4px var(--accent)}
.quick{position:relative;z-index:2;display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.quick a{border:1px solid var(--ink);border-radius:999px;padding:7px 12px;background:#fff;text-decoration:none;font-size:.82rem;font-weight:800}
.quick a:hover{background:var(--accent);color:#fff}
.category-links{margin:0 0 6px}
.category-links a{padding:9px 13px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin:55px 0 20px;border-bottom:1px solid var(--ink);padding-bottom:12px}
.section-head h2{margin:0;font-size:2rem;letter-spacing:-.05em}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--ink);border-radius:var(--radius);padding:22px;min-height:190px;transition:transform .15s,box-shadow .15s,border-color .15s;box-shadow:0 2px 0 rgba(23,23,19,.08)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.card h3{margin:14px 0 8px;font-size:1.15rem;letter-spacing:-.025em}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.icon{display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid var(--ink);border-radius:11px;background:var(--accent-soft);font-weight:950;font-size:.9rem}
.callout{margin-top:34px;border:1px solid var(--accent2);border-radius:16px;background:var(--accent2);color:#fff;padding:34px;box-shadow:var(--shadow)}
.callout h2{margin:0 0 7px;font-size:2rem;letter-spacing:-.04em}
.callout p{color:#dbe6df;max-width:700px}
.button,.button-main{display:inline-block;border:1px solid var(--ink);border-radius:10px;padding:11px 16px;font-weight:900;background:var(--accent);color:#fff;text-decoration:none}
.button:hover,.button-main:hover{background:#e84928}
.tool{max-width:800px;margin:auto;background:var(--card);border:1px solid var(--ink);border-top:5px solid var(--accent);border-radius:16px;padding:34px;box-shadow:var(--shadow)}
.tool h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:.95;letter-spacing:-.07em;margin:0 0 12px}
.tool-intro{color:var(--muted);margin-bottom:26px}
.field{margin:16px 0}
.field label{display:block;font-weight:900;margin-bottom:6px}
.field input,.field select{width:100%;padding:12px;border:1px solid var(--ink);border-radius:9px;background:#fff;font:inherit}
.field input:focus,.field select:focus{outline:3px solid var(--accent-soft);border-color:var(--accent)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.button-main{width:100%;cursor:pointer;font:inherit}
.result{margin-top:20px;padding:20px;border:1px solid var(--ink);border-radius:12px;background:#f0eadf}
.result strong{font-size:1.65rem}
.formula{margin-top:25px;padding:17px;border-left:4px solid var(--accent);border-radius:0 10px 10px 0;background:#f0eadf}
.breadcrumb{font-size:.84rem;font-weight:800;margin-bottom:18px;color:var(--muted)}
.article{max-width:850px;margin:auto;background:var(--card);border:1px solid var(--ink);border-radius:16px;padding:38px;box-shadow:var(--shadow)}
.article h1{font-size:clamp(2.6rem,6vw,4.8rem);line-height:.95;letter-spacing:-.07em}
.article h2{margin-top:34px}
footer{border-top:1px solid var(--ink);padding:30px 0;background:#eee9df}
.footerlinks{display:flex;gap:20px;flex-wrap:wrap;font-weight:700}
.related-tools{max-width:1180px;margin:45px auto 0;padding:0 24px}
.related-tools>div:first-child{border-top:1px solid var(--ink);padding-top:24px}
.related-tools h2{margin:0;font-size:2rem;letter-spacing:-.05em}
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.related-link{display:block;border:1px solid var(--ink);border-radius:11px;background:var(--card);padding:15px;font-weight:900;text-decoration:none}.related-link strong{display:block;line-height:1.25}.related-link span{display:block;margin-top:6px;color:var(--muted);font-size:.82rem;font-weight:500;line-height:1.4}.related-link:hover span{color:inherit}
.related-link:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.status-note{font-size:.82rem;color:var(--muted);margin-top:10px}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.nav{align-items:flex-start;padding-top:14px;padding-bottom:14px}.navlinks{gap:3px;flex-wrap:wrap;justify-content:flex-end}.navlinks a{padding:7px 8px}.hero{padding:30px 22px}.hero h1{font-size:3.2rem}.hero:after{font-size:4rem}.row,.grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-bottom:0}.tool{padding:25px 20px}.article{padding:25px 20px}.related-links{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.related-link{transition:none}}

.result-main{font-size:1.05rem}
.takeaway{margin-top:18px;padding:18px;border:1px solid var(--accent2);border-radius:12px;background:#edf3ef}
.takeaway-title,.scenario-title{font-size:.72rem;font-weight:950;letter-spacing:.14em;text-transform:uppercase}
.takeaway-title{color:var(--accent2)}
.takeaway-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.takeaway-item{padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff}
.takeaway-item small{display:block;color:var(--muted);font-size:.76rem}
.takeaway-item strong{display:block;margin-top:2px;font-size:1.05rem}
.scenario{margin-top:14px;padding:17px;border:1px solid var(--line);border-radius:12px;background:#fff}
.scenario-title{color:var(--accent)}
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}
.scenario-item{padding:9px 11px;background:#f7f4ec;border-radius:8px}
.scenario-item small{display:block;color:var(--muted)}
.scenario-item strong{font-size:.98rem}
@media(max-width:650px){.takeaway-grid,.scenario-grid{grid-template-columns:1fr}}

.popular-grid .popular-card{min-height:205px;position:relative;border-width:2px}.popular-grid .popular-card:first-child,.popular-grid .popular-card:nth-child(2){border-top:5px solid var(--accent)}.popular-card:after{content:"";position:absolute;top:13px;right:13px;width:7px;height:7px;border-radius:50%;background:var(--accent)}