/* ============ Introductie en opdrachten ============ */
.intro-hero{position:relative;overflow:hidden;padding:150px 0 72px;background:linear-gradient(180deg,#E6F0F8 0%,#F2F7FB 45%,var(--paper) 100%)}
.intro-hero .container{position:relative;z-index:2}
.intro-hero h1{font-size:clamp(38px,6vw,76px);letter-spacing:-.035em;line-height:1;margin:18px 0 22px;max-width:16ch}
.intro-hero .lead{font-size:19px;line-height:1.55;color:var(--ink-700);max-width:44ch}
.intro-boog{position:absolute;right:-60px;bottom:-140px;width:min(52vw,440px);z-index:1;pointer-events:none;opacity:.55}
.intro-ankers{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding:0;list-style:none}
.intro-ankers a{display:inline-block;padding:11px 20px;border-radius:999px;background:rgba(255,255,255,.7);border:1px solid var(--ink-200);color:var(--ink-700);font-size:14px;font-weight:600;transition:background .2s,color .2s,border-color .2s}
.intro-ankers a:hover{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.intro-section{padding:88px 0}
.intro-section.tight{padding-top:0}
.intro-head{margin-bottom:34px}
.intro-head h2{font-size:clamp(28px,3.6vw,44px);margin-top:14px}
.intro-cards{display:grid;gap:20px}
.intro-card{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:30px;transition:transform .2s,box-shadow .2s}
.intro-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.intro-cards.vier .intro-card{transition:none}
.intro-cards.vier .intro-card:hover{transform:none;box-shadow:var(--shadow-sm)}
.intro-card img.ic{width:52px;height:52px;object-fit:contain;margin-bottom:18px}
.intro-card h3{font-size:19px;margin-bottom:8px}
.intro-card p{color:var(--ink-500);font-size:15px;line-height:1.6}
.intro-card .tool-link{display:inline-flex;align-items:center;gap:9px;margin-top:18px;padding:10px 16px;border-radius:999px;background:var(--ink-900);color:#fff;font-size:13px;font-weight:600;letter-spacing:.005em;text-decoration:none;transition:background .2s,gap .2s,box-shadow .2s}
.intro-card .tool-link svg{width:13px;height:13px;flex:0 0 auto;opacity:.75;transition:opacity .2s}
.intro-card .tool-link:hover{background:#000;color:#fff;gap:12px;box-shadow:0 4px 14px rgba(11,15,31,.18)}
.intro-card .tool-link:hover svg{opacity:1}
.intro-card .tool-link:focus-visible{outline:2px solid var(--ink-900);outline-offset:3px}
.intro-card u{text-decoration-thickness:2px;text-underline-offset:3px}
.intro-card strong{color:var(--ink-900)}
/* werkplek */
.intro-werkplek{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden;display:grid}
.intro-werkplek .tekst{padding:36px}
.intro-werkplek h3{font-size:clamp(24px,3vw,34px);margin-bottom:4px}
.intro-werkplek .adres{color:var(--ink-500);font-size:15px;font-weight:600;margin-bottom:26px}
.intro-werkplek ul{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.intro-werkplek li{position:relative;padding-left:26px;color:var(--ink-700);font-size:15px;line-height:1.6}
.intro-werkplek li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:50%;background:var(--c-blue)}
.intro-werkplek li:nth-child(2)::before{background:var(--c-green)}
.intro-werkplek li:nth-child(3)::before{background:var(--c-yellow)}
.intro-werkplek li:nth-child(4)::before{background:var(--c-orange)}
.intro-werkplek figure{margin:0}
.intro-werkplek img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
/* index */
.intro-index{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:26px 28px;margin-bottom:8px}
.intro-index h3{font-size:15px;letter-spacing:.01em;margin-bottom:16px}
.intro-index ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;grid-auto-rows:1fr}
.intro-index a{height:100%;display:flex;gap:10px;align-items:center;padding:11px 34px 11px 11px;border:1px solid var(--ink-200);background:#fff;border-radius:12px;box-shadow:var(--shadow-sm);color:var(--ink-700);font-size:14px;font-weight:500;position:relative;transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s}
.intro-index a::after{content:"\2192";position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--ink-300,#b9bcc6);font-size:15px;transition:transform .18s,color .18s}
.intro-index a:hover{color:var(--ink-900);border-color:var(--ink-400);transform:translateY(-2px);box-shadow:var(--shadow-md,0 6px 18px rgba(11,15,31,.08))}
.intro-index a:hover::after{color:var(--ink-900);transform:translateY(-50%) translateX(3px)}
.intro-index a:focus-visible{outline:2px solid var(--ink-900);outline-offset:2px}
.opdracht-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:600;letter-spacing:.06em}
.intro-index .opdracht-code,.opdracht>.opdracht-code{display:inline-flex;align-items:center;justify-content:center;padding:5px 9px;border-radius:8px;color:#fff}
.intro-index .opdracht-code{flex:0 0 auto;align-self:flex-start}
.opdracht-code.bitm{background:linear-gradient(135deg,#5E9145 0%,#3C6329 100%);color:#fff}
.opdracht-code.se{background:linear-gradient(135deg,#8F5DC0 0%,#653F8C 100%);color:#fff}
.intro-index a:has(.bitm){background:linear-gradient(135deg,rgba(76,122,56,.10) 0%,rgba(76,122,56,.02) 55%,#fff 100%);border-color:rgba(76,122,56,.22)}
.intro-index a:has(.se){background:linear-gradient(135deg,rgba(123,79,168,.10) 0%,rgba(123,79,168,.02) 55%,#fff 100%);border-color:rgba(123,79,168,.22)}
.intro-index a:has(.bitm):hover{background:linear-gradient(135deg,rgba(76,122,56,.20) 0%,rgba(76,122,56,.06) 60%,#fff 100%);border-color:rgba(76,122,56,.45);box-shadow:0 8px 20px rgba(76,122,56,.16)}
.intro-index a:has(.se):hover{background:linear-gradient(135deg,rgba(123,79,168,.20) 0%,rgba(123,79,168,.06) 60%,#fff 100%);border-color:rgba(123,79,168,.45);box-shadow:0 8px 20px rgba(123,79,168,.16)}
.intro-index a:has(.bitm)::after{color:#4C7A38}
.intro-index a:has(.se)::after{color:#7B4FA8}
.intro-index a:has(.bitm):hover .opdracht-code,.intro-index a:has(.se):hover .opdracht-code{box-shadow:0 2px 8px rgba(11,15,31,.22)}
.intro-index .opdracht-code{transition:box-shadow .18s}
/* opdrachtkaart */
.intro-groep{margin:56px 0 0;display:flex;align-items:center;gap:18px}
.intro-groep h3{font-size:clamp(20px,2.4vw,28px);white-space:nowrap;display:flex;align-items:center;gap:12px}
.intro-groep h3::before{content:"";width:12px;height:12px;border-radius:4px;background:var(--ink-300,#b9bcc6);flex:0 0 auto}
.intro-groep.bitm h3::before{background:#4C7A38}
.intro-groep.se h3::before{background:#7B4FA8}
.intro-groep .lijn{flex:1;height:1px;background:var(--ink-200)}
.opdracht{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:32px;margin-top:22px;scroll-margin-top:96px}
.opdracht h3{font-size:clamp(21px,2.6vw,30px);margin:8px 0 26px;max-width:34ch}
.opdracht-blok{margin-bottom:22px}
.opdracht-label{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-400);margin-bottom:10px}
.opdracht-blok table{width:100%;border-collapse:collapse;font-size:15px;background:var(--paper-2);border-radius:var(--radius-md);overflow:hidden}
.opdracht-blok th,.opdracht-blok td{text-align:left;padding:12px 18px;border-bottom:1px solid var(--ink-100);vertical-align:top}
.opdracht-blok tr:last-child th,.opdracht-blok tr:last-child td{border-bottom:0}
.opdracht-blok th{font-weight:500;color:var(--ink-500);width:38%}
.opdracht-blok td{font-weight:600;color:var(--ink-900)}
.opdracht-tekst p{color:var(--ink-700);font-size:15.5px;line-height:1.7}
.opdracht>img{display:block;width:100%;max-width:300px;height:auto;border-radius:var(--radius-md);background:var(--paper-2);aspect-ratio:16/9;object-fit:contain;margin-top:4px;opacity:.62}
.opdracht-nav{margin-top:26px;padding-top:20px;border-top:1px solid var(--ink-100);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.opdracht-nav a{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:9px 14px;border:1px solid var(--ink-200);border-radius:999px;background:#fff;color:var(--ink-700);font-size:13px;font-weight:600;text-decoration:none;transition:border-color .18s,color .18s,background .18s}
.opdracht-nav a:hover{border-color:var(--ink-400);color:var(--ink-900);background:var(--paper-2)}
.opdracht-nav a .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:24ch;font-weight:500;color:var(--ink-500)}
.opdracht-nav a:hover .t{color:var(--ink-700)}
.opdracht-nav .naar-index{margin-left:auto;border-style:dashed}
@media(max-width:720px){.opdracht-nav .naar-index{margin-left:0}.opdracht-nav a .t{display:none}}
/* aanmelden */
.intro-aanmelden{background:radial-gradient(ellipse 80% 70% at 25% 30%,#1A2138 0%,#0B0F1F 65%,#07091A 100%);border-radius:var(--radius-xl);padding:56px 40px;color:#fff}
.intro-aanmelden h2{color:#fff;font-size:clamp(26px,3.4vw,40px)}
.intro-aanmelden .eyebrow{color:var(--ink-300)}
.intro-aanmelden .eyebrow::before{background:var(--ink-500)}
.intro-aanmelden .intro-card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.intro-aanmelden .intro-card:hover{background:rgba(255,255,255,.05);box-shadow:none}
.intro-aanmelden .intro-card h3{color:#fff}
.intro-aanmelden .intro-card p{color:var(--ink-300)}
.intro-aanmelden .intro-card.start{background:#fff}
.intro-aanmelden .intro-card.start h3{color:var(--ink-900)}
.intro-aanmelden .intro-card.start p{color:var(--ink-500)}
.intro-aanmelden a.intro-card{display:block;text-decoration:none}
.intro-aanmelden .intro-cards.vier .intro-card{transition:transform .2s,box-shadow .2s,background .2s}
.intro-aanmelden .intro-cards.vier .intro-card:hover{transform:none}
.intro-aanmelden a.intro-card.start:hover{transform:translateY(-3px)}
.intro-aanmelden .intro-card.start:hover{background:#fff}
@media(min-width:721px){
.intro-cards.drie{grid-template-columns:repeat(3,1fr)}
.intro-cards.vier{grid-template-columns:repeat(2,1fr)}
.intro-index ul{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1041px){
.intro-cards.vier{grid-template-columns:repeat(4,1fr)}
.intro-werkplek{grid-template-columns:1.05fr 1fr}
.intro-werkplek .tekst{padding:52px}
.intro-index ul{grid-template-columns:repeat(3,1fr)}
.opdracht{padding:44px}
.opdracht-blok th{width:28%}
}
@media(max-width:720px){
.intro-hero{padding:110px 0 56px}
.intro-section{padding:64px 0}
.intro-aanmelden{padding:36px 22px}
.intro-groep h3{white-space:normal}
}