/* ============================================================
   STELVIO BUSINESS CONSULTANCY — site.css
   Design-systeem volgens de webstijlgids (sandwich-ritme).
   Tokens → componenten; pagina's gebruiken alleen deze classes.
   ============================================================ */
:root{
  --ink:#353231; --muted:#606161; --line:#e4e0df;
  --accent:#f05a28; --accent-ink:#c94517; --accent-soft:#fdeee7;
  --ground:#faf8f6; --card:#ffffff;
  --dark:#353231; --dark2:#2a2726; --dark-text:#f5f2ef; --dark-muted:#b3adaa;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,sans-serif;background:var(--ground);color:var(--ink);line-height:1.65;font-size:16px}
h1,h2,h3{font-family:'Poppins',sans-serif;line-height:1.14;margin:0}
img{max-width:100%;display:block}
.container{width:min(100% - 3rem,1200px);margin-inline:auto}
.smal{max-width:760px}
.eyebrow{font-family:'Poppins',sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:16px}

/* knoppen & links */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:.9rem;padding:.8rem 1.6rem;border-radius:6px;font-family:'Poppins',sans-serif}
.btn.ghost-d{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn.ghost-l{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.link{font-family:'Poppins',sans-serif;font-size:.86rem;font-weight:600;color:var(--accent-ink);text-decoration:none}
.link:hover{text-decoration:underline;text-underline-offset:4px}
.acties{display:flex;gap:14px;flex-wrap:wrap}

/* subpagina-kop: effen antraciet met hoogtelijnen-motief */
.paginakop{position:relative;background:var(--dark);color:var(--dark-text);overflow:hidden}
.paginakop .contour{position:absolute;right:-160px;top:-140px;width:640px;height:640px;opacity:.16;pointer-events:none}
.paginakop .container{position:relative;padding:84px 0 72px;max-width:820px;margin-inline:auto}
.paginakop .eyebrow{color:var(--accent)}
.paginakop h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:700;color:#fff;letter-spacing:-.012em}
.paginakop p{font-size:1.04rem;color:var(--dark-muted);max-width:56ch;margin:20px 0 0}
.paginakop .acties{margin-top:30px}

/* witte leessecties */
.sectie{padding:92px 0;background:var(--ground)}
.sectie--strak{padding:64px 0}
.sectie .kop{max-width:640px;margin-bottom:52px}
.sectie h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700;letter-spacing:-.01em}
.sectie .kop p{color:var(--muted);margin:16px 0 0}
.sectie p{max-width:70ch}

/* genummerd editorial-raster (A-stijl) */
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;border-top:1px solid var(--line)}
.item{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:36px 28px 42px}
.item:first-child{border-left:1px solid var(--line)}
.item .nr{font-family:'Poppins',sans-serif;font-size:.74rem;font-weight:600;color:var(--accent-ink);letter-spacing:.14em;display:block;margin-bottom:18px}
.item h3{font-size:1.24rem;font-weight:600;margin-bottom:10px}
.item p{font-size:.89rem;color:var(--muted);margin:0 0 18px}

/* tegels (expertise e.d.) */
.grid6{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.tegel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 26px 22px}
.tegel h3{font-size:1.05rem;font-weight:600;margin-bottom:6px}
.tegel .mod{font-family:'Poppins',sans-serif;font-size:.7rem;font-weight:600;color:var(--accent-ink);letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:12px}
.tegel p{font-size:.86rem;color:var(--muted);margin:0 0 14px}
.tegel p:last-child{margin:0}
.center-cta{text-align:center;margin-top:44px}

/* kaarten met beeldrand (cases, industries) */
.grid-c{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.kaart-b{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.kaart-b .beeld{height:130px;background:var(--dark2) center/cover;filter:saturate(.5)}
.kaart-b .body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:8px}
.kaart-b h3{font-size:1rem;font-weight:600}
.kaart-b p{font-size:.85rem;color:var(--muted);margin:0;flex:1}

/* donkere kernband */
.kern{background:var(--dark2);color:var(--dark-text)}
.kern .container{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:2px;padding:0}
.kern .cel{padding:40px 30px;border-left:1px solid #403c3a}
.kern .cel:first-child{border-left:none}
.kern b{display:block;font-family:'Poppins',sans-serif;font-size:2.2rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.kern span{font-size:.8rem;color:var(--dark-muted)}

/* smalle oranje kernlijn (max 1× per pagina) */
.kernlijn{background:var(--accent);color:#fff;font-family:'Poppins',sans-serif;font-weight:600}
.kernlijn .container{padding:18px 0;display:flex;gap:30px;flex-wrap:wrap;justify-content:center;font-size:.9rem}
.kernlijn span{opacity:.9}

/* keten-diagram */
.keten{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:30px;font-family:'Poppins',sans-serif;font-weight:600;font-size:.86rem}
.keten span{border:1.5px solid var(--ink);border-radius:8px;padding:8px 16px}
.keten i{font-style:normal;color:var(--accent);align-self:center;font-weight:700}
.keten span.res{background:var(--accent);border-color:var(--accent);color:#fff}

/* foto-reveal-band */
.reveal-band{position:relative;min-height:56vh;display:flex;align-items:center;background:var(--dark2) center 45%/cover no-repeat fixed}
@media (max-width:900px), (prefers-reduced-motion: reduce){.reveal-band{background-attachment:scroll}}
.reveal-band::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(42,39,38,.8),rgba(42,39,38,.4) 55%,rgba(42,39,38,.55))}
.reveal-band .container{position:relative;max-width:720px;text-align:center;padding:84px 0}
.reveal-band blockquote{margin:0;font-family:'Poppins',sans-serif;font-size:clamp(1.25rem,2.7vw,1.85rem);font-weight:600;color:#fff;line-height:1.35}
.reveal-band cite{display:block;font-style:normal;font-size:.85rem;color:#d8d3cf;margin-top:16px}
.reveal-band cite b{color:var(--accent)}

/* consultant-band */
.mensen{padding:92px 0 76px;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mensen .kop{text-align:center;max-width:640px;margin:0 auto 40px}
.mensen .kop p{color:var(--muted);margin-top:14px}
.sb-band{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.sb-track{display:flex;gap:20px;width:max-content;padding:10px 0}
.sb-band--l .sb-track{animation:sb-l 55s linear infinite}
.sb-band--r .sb-track{animation:sb-r 55s linear infinite}
.sb-band:hover .sb-track{animation-play-state:paused}
@keyframes sb-l{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes sb-r{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@media (prefers-reduced-motion: reduce){.sb-track{animation:none!important;flex-wrap:wrap;width:auto;justify-content:center}}
.sb-kaart{width:230px;flex-shrink:0;background:var(--ground);border:1px solid var(--line);border-radius:14px;padding:20px 16px 16px;text-align:center}
.sb-foto{width:78px;height:78px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;font-family:'Poppins',sans-serif;font-weight:700;font-size:1.2rem;color:#fff;background:linear-gradient(135deg,#4a4645,#353231);border:3px solid var(--accent)}
.sb-kaart h3{font-size:.94rem;font-weight:600}
.sb-rol{display:inline-block;margin:6px 0 8px;padding:2px 10px;border-radius:99px;background:var(--accent-soft);color:var(--accent-ink);font-size:.68rem;font-weight:600;font-family:'Poppins',sans-serif}
.sb-spreuk{font-size:.78rem;color:var(--muted);font-style:italic;margin:0}

/* formulier */
.form{display:grid;gap:16px;max-width:560px}
.veld{display:grid;gap:6px}
.veld label{font-family:'Poppins',sans-serif;font-size:.84rem;font-weight:600}
.veld input,.veld textarea,.veld select{padding:.75rem .9rem;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--card);color:var(--ink)}
.veld textarea{min-height:130px;resize:vertical}
.veld input:focus,.veld textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.vinkgroep{display:flex;flex-wrap:wrap;gap:8px}
.vink{font-family:'Poppins',sans-serif;font-size:.8rem;font-weight:500;border:1.5px solid var(--line);border-radius:99px;padding:.4rem .9rem;cursor:pointer;background:var(--card);display:inline-flex;gap:6px;align-items:center}
.vink input{accent-color:var(--accent);margin:0}
.vink:has(input:checked){border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}

/* donkere CTA */
.cta{background:var(--dark);color:var(--dark-text);position:relative;overflow:hidden}
.cta .contour{position:absolute;right:-180px;bottom:-300px;width:700px;height:700px;opacity:.16}
.cta .container{position:relative;padding:88px 0;max-width:720px;text-align:center}
.cta h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700;color:#fff}
.cta p{color:var(--dark-muted);margin:18px auto 32px;max-width:52ch}

/* scroll-reveal (JS zet .js op <html>) */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .rv.aan{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.js .rv{opacity:1;transform:none;transition:none}}