:root{
  --orange:#F39200;
  --orange-dark:#D97E00;
  --navy:#1F2D4A;
  --navy-light:#2c3e64;
  --red:#E53935;
  --red-light:#ffe5e3;
  --green:#43A047;
  --green-light:#e3f5e4;
  --blue:#1E88E5;
  --blue-light:#e3f0fb;
  --bg:#fafbfc;
  --text:#222;
  --muted:#5a6478;
  --border:#e6e8ee;
  --shadow:0 4px 20px rgba(31,45,74,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Nunito',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange);text-decoration:none;font-weight:600}
a:hover{color:var(--orange-dark)}
h1,h2,h3,h4{color:var(--navy);font-weight:800;line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-top:0}
h3{font-size:1.25rem}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.nav .logo img{height:38px}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--navy);font-weight:700}
.nav ul a:hover{color:var(--orange)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer}

/* Hero */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  color:#fff;padding:90px 0 110px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(243,146,0,.25),transparent 65%);
}
.hero h1{color:#fff}
.hero h1 span{color:var(--orange)}
.hero p.lead{font-size:1.2rem;max-width:680px;color:#dbe1ee}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.three-p{
  margin-top:36px;display:flex;flex-wrap:wrap;gap:14px 36px;
  font-weight:900;font-size:clamp(1.6rem,3.6vw,2.6rem);line-height:1.1;
  color:#fff;letter-spacing:-.5px;
}
.three-p span{position:relative;padding-bottom:6px}
.three-p span::after{
  content:"";position:absolute;left:0;bottom:0;width:42px;height:4px;
  background:var(--orange);border-radius:2px;
}
.three-p span:nth-child(2){color:#ffd9a8}
.three-p span:nth-child(3){color:var(--orange)}
@media (max-width:560px){.three-p{font-size:1.5rem;gap:8px 24px}}
.btn{
  display:inline-block;padding:14px 28px;border-radius:8px;font-weight:800;
  transition:transform .15s ease,box-shadow .15s ease;cursor:pointer;border:0;font-size:1rem;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(243,146,0,.4)}
.btn-secondary{background:transparent;color:#fff;border:2px solid #fff}
.btn-secondary:hover{background:#fff;color:var(--navy)}

/* Sections */
section{padding:80px 0}
section.alt{background:#fff}
.section-intro{max-width:760px;margin:0 auto 50px;text-align:center}
.section-intro p{color:var(--muted);font-size:1.1rem}

/* Phases */
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.phase{padding:36px 28px;border-radius:14px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.phase h3{color:#fff;font-size:1.5rem}
.phase .num{position:absolute;top:14px;right:18px;font-size:3.4rem;font-weight:900;opacity:.18}
.phase.warmup{background:linear-gradient(160deg,#ff6b67,var(--red))}
.phase.run{background:linear-gradient(160deg,#66bb6a,var(--green))}
.phase.cool{background:linear-gradient(160deg,#42a5f5,var(--blue))}
.phase ul{padding-left:18px;margin:12px 0 0}
.phase li{margin-bottom:6px}

/* Roles */
.roles{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.role{background:#fff;border:1px solid var(--border);border-radius:12px;padding:26px;border-top:4px solid var(--orange);transition:transform .2s,box-shadow .2s}
.role:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.role h3{color:var(--navy);margin-bottom:8px}
.role p{margin:0;color:var(--muted);font-size:.95rem}

/* Why */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.why-card{background:var(--bg);padding:28px;border-radius:12px;border-left:4px solid var(--orange)}
.why-card h3{color:var(--navy)}
.why-card p{margin:0;color:var(--muted)}

/* Timeline image block */
.timeline-block{background:#fff;padding:30px;border-radius:14px;box-shadow:var(--shadow);text-align:center}
.timeline-block img{margin:0 auto;border-radius:8px}

/* CTA */
.cta{
  background:linear-gradient(135deg,var(--orange) 0%,#ff7e2d 100%);
  color:#fff;text-align:center;
}
.cta h2{color:#fff}
.cta p{font-size:1.15rem;max-width:640px;margin:0 auto 30px}
.cta .btn-primary{background:#fff;color:var(--navy)}
.cta .btn-primary:hover{background:var(--navy);color:#fff}

/* Footer */
.site-footer{background:var(--navy);color:#cdd4e3;padding:50px 0 30px;text-align:center}
.site-footer img{height:40px;margin:0 auto 18px;filter:brightness(0) invert(1)}
.site-footer a{color:var(--orange)}
.site-footer .small{font-size:.85rem;color:#8b95ae;margin-top:18px}

/* Begeleiding page */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.split .illu{background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.split p{color:var(--muted);font-size:1.05rem;margin:0 0 1.1em}
.split p strong{color:var(--text)}
.contact-box{
  margin-top:36px;padding:28px;border-radius:14px;
  background:linear-gradient(135deg,var(--orange) 0%,#ff7e2d 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.contact-box p{color:#fff;margin:0;font-size:1.1rem;font-weight:700}
.contact-box .btn-primary{background:#fff;color:var(--navy)}
.contact-box .btn-primary:hover{background:var(--navy);color:#fff}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:30px}}

/* Downloads page */
.page-header{background:var(--navy);color:#fff;padding:60px 0 50px;text-align:center}
.page-header h1{color:#fff;margin-bottom:8px}
.page-header p{color:#cdd4e3;max-width:640px;margin:0 auto;font-size:1.1rem}

.dl-search{max-width:520px;margin:0 auto 40px;position:relative}
.dl-search input{
  width:100%;padding:14px 18px 14px 46px;border:2px solid var(--border);border-radius:10px;
  font-size:1rem;font-family:inherit;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%231F2D4A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") no-repeat 14px center;
}
.dl-search input:focus{outline:0;border-color:var(--orange)}

.dl-group{margin-bottom:42px}
.dl-group h2{display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--border);padding-bottom:10px}
.dl-group h2::before{content:"";width:6px;height:28px;border-radius:3px;background:var(--orange)}
.dl-group.warmup h2::before{background:var(--red)}
.dl-group.run h2::before{background:var(--green)}
.dl-group.cool h2::before{background:var(--blue)}

.dl-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;list-style:none;padding:0;margin:0}
.dl-item{
  background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 18px;
  display:flex;align-items:center;gap:14px;transition:border-color .15s,transform .15s,box-shadow .15s;
}
.dl-item:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow)}
.dl-item .ext{
  flex-shrink:0;width:44px;height:44px;border-radius:8px;display:grid;place-items:center;
  font-size:.7rem;font-weight:800;color:#fff;letter-spacing:.5px;
}
.ext.pdf{background:#e74c3c}
.ext.docx{background:#2b579a}
.ext.xlsx,.ext.xlsm,.ext.xls{background:#217346}
.ext.pptx{background:#d24726}
.ext.png,.ext.jpg{background:#8e44ad}
.ext.zip{background:#7f8c8d}
.dl-item .meta{flex:1;min-width:0}
.dl-item .meta .title{
  display:block;color:var(--navy);font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dl-item .meta .sub{font-size:.82rem;color:var(--muted)}
.dl-item .arrow{color:var(--orange);flex-shrink:0;font-size:1.4rem}

@media (max-width:760px){
  .nav ul{display:none;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;padding:20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav ul.open{display:flex}
  .nav-toggle{display:block}
  .phases{grid-template-columns:1fr}
  section{padding:60px 0}
  .hero{padding:60px 0 80px}
}