/* WelkeSlijpschijf.site — mobile-first, no external dependencies */
:root{--bg:#f5f2ea;--panel:#fffdf8;--ink:#171916;--muted:#5f665d;--line:#d8d8cf;--accent:#ef5a31;--accent2:#173f35;--soft:#e9eee9;--danger:#8b2f22;--radius:18px;--shadow:0 10px 30px rgba(23,25,22,.08);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit;text-decoration-thickness:.08em;text-underline-offset:.16em}img,svg{max-width:100%;height:auto}.wrap{width:min(1120px,calc(100% - 32px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:10px 14px;z-index:99;border-radius:8px}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(216,216,207,.9);background:rgba(245,242,234,.94);backdrop-filter:blur(14px)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:850;letter-spacing:-.03em}.brand svg{width:30px}.menu{display:flex;gap:18px;align-items:center}.menu a{font-size:.93rem;text-decoration:none;color:var(--muted)}.menu a:hover,.menu a:focus{color:var(--ink)}.nav-cta{background:var(--accent2)!important;color:#fff!important;padding:8px 12px;border-radius:999px}.hero{padding:56px 0 24px}.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;font-size:.76rem;font-weight:800;letter-spacing:.12em;color:var(--accent2)}.dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}h1,h2,h3{line-height:1.07;letter-spacing:-.035em;margin:0 0 .55em}h1{font-size:clamp(2.55rem,9vw,5.4rem);max-width:12ch}h2{font-size:clamp(2rem,7vw,3.6rem)}h3{font-size:1.3rem}.lede{font-size:clamp(1.06rem,2.2vw,1.26rem);max-width:70ch;color:var(--muted)}.hero-grid{display:grid;gap:28px}.hero-aside{background:var(--accent2);color:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.hero-aside p{color:#dfe9e4}.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.kpi{padding:12px;border-radius:12px;background:rgba(255,255,255,.09)}.kpi strong{display:block;font-size:1.45rem}.kpi span{font-size:.76rem;color:#dfe9e4}.section{padding:54px 0}.section.tight{padding:32px 0}.grid{display:grid;gap:16px}.cards-3{grid-template-columns:1fr}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 3px 12px rgba(23,25,22,.03)}.card p:last-child{margin-bottom:0}.card a.stretch{text-decoration:none}.tag{display:inline-block;background:var(--soft);color:var(--accent2);border-radius:999px;padding:4px 9px;font-size:.78rem;font-weight:750}.selector{background:#151a17;color:white;border-radius:28px;padding:22px;box-shadow:var(--shadow)}.selector h2{max-width:13ch}.selector p{color:#d8e2dd}.steps{display:grid;gap:14px;margin-top:24px}.step{border:1px solid #3a423e;border-radius:16px;padding:16px;background:#1d2320}.step-head{display:flex;gap:10px;align-items:center;margin-bottom:10px}.num{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent);font-weight:800;font-size:.86rem}.choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.choice{appearance:none;border:1px solid #4c5751;background:#252d29;color:#fff;border-radius:12px;padding:12px 10px;text-align:left;font:inherit;font-weight:680;cursor:pointer}.choice:hover{border-color:#fff}.choice:focus-visible{border-color:#fff;outline:3px solid #ffd2c5;outline-offset:2px}.choice[aria-pressed="true"]{background:#fff;color:#171916;border-color:#fff}.field{display:grid;gap:6px}.field select,.field input{width:100%;border:1px solid #4c5751;background:#252d29;color:#fff;border-radius:12px;padding:12px;font:inherit}.result{margin-top:16px;border-radius:16px;padding:18px;background:#f9f2e8;color:#171916}.result[hidden]{display:none}.result h3{font-size:1.75rem}.result .warning{background:#fff0ec;border-left:4px solid var(--accent);padding:12px;border-radius:8px}.result ul{padding-left:20px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:11px 16px;font-weight:800;text-decoration:none;cursor:pointer}.btn-primary{background:var(--accent);color:#171916}.btn-light{background:#fff;color:#171916}.btn-outline{border:1px solid var(--line);background:transparent}.micro{font-size:.82rem;color:var(--muted)}.toc{background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:14px}.toc a{display:block;padding:5px 0}.prose{max-width:780px}.prose h2{margin-top:1.4em}.prose h3{margin-top:1.25em}.prose table{width:100%;border-collapse:collapse;font-size:.95rem}.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}.callout{border-left:4px solid var(--accent);background:#fff6ef;padding:16px;border-radius:0 12px 12px 0}.safety{border-left-color:var(--danger);background:#fff0ed}.source-list{padding:0;list-style:none}.source-list li{border-bottom:1px solid var(--line);padding:14px 0}.breadcrumbs{font-size:.85rem;color:var(--muted);padding-top:18px}.breadcrumbs a{color:inherit}.site-footer{background:#171916;color:#e9eee9;margin-top:56px;padding:44px 0 30px}.footer-grid{display:grid;gap:28px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px}.footer-links a{color:#d7ddd9;font-size:.92rem}.footer-note{color:#aeb8b2;font-size:.84rem}.affiliate-note{border:1px solid #3a423e;border-radius:12px;padding:12px;margin-top:16px;color:#bdc7c1;font-size:.82rem}.notice{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);background:var(--panel);padding:14px;border-radius:12px}.notice strong{display:block}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px}.faq details+details{margin-top:10px}.faq summary{font-weight:800;cursor:pointer}.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.metric{font-size:.82rem;color:var(--muted)}
@media(min-width:760px){.hero{padding:76px 0 32px}.hero-grid{grid-template-columns:1.55fr .75fr;align-items:end}.cards-3{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.selector{padding:32px}.steps{grid-template-columns:repeat(2,1fr)}.step.full{grid-column:1/-1}.choices{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:1.1fr 1fr}.footer-links{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.menu a:not(.nav-cta){display:none}.brand span{font-size:.97rem}.kpi-row{grid-template-columns:1fr}.selector{border-radius:20px}.section{padding:40px 0}.prose table{display:block;overflow-x:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

.hero-aside h2,.card h2{font-size:1.3rem}

a:focus-visible,.btn:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ef5a31;outline-offset:3px}