:root{
  --pine:#0f2e22;        /* diep dennengroen */
  --moss:#2f5d44;        /* mosgroen */
  --sand:#f3efe4;        /* warm zandbeige */
  --paper:#fbfaf5;       /* lichte achtergrond */
  --lime:#a8e02d;        /* kalkgroen accent */
  --lime-deep:#7bb814;   /* donkerder accent */
  --ink:#13231b;         /* tekst */
  --muted:#5c6b62;       /* gedempte tekst */
  --line:#d9d4c5;        /* hairlines */
  --radius:14px;
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  font-family:"Inter","Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,.display{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.08;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.eyebrow{
  font-family:"Inter",sans-serif;
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--moss);
  font-weight:600;
}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,245,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-family:Georgia,serif;font-weight:600;font-size:1.35rem;
  color:var(--pine);
}
.logo .mark{
  width:30px;height:30px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,var(--lime),var(--lime-deep));
  box-shadow:0 0 0 4px rgba(168,224,45,.18);
}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:.94rem;color:var(--ink);cursor:pointer;transition:color .2s}
.nav-links a:hover{color:var(--lime-deep)}
.nav-cta{
  background:var(--pine);color:var(--paper);cursor:pointer;
  padding:10px 20px;border-radius:999px;font-size:.9rem;font-weight:500;
  transition:transform .2s,background .2s;
}
.nav-cta:hover{background:var(--moss);transform:translateY(-1px)}
.burger{display:none;background:none;border:0;cursor:pointer;font-size:1.5rem;color:var(--pine)}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 500px at 85% -10%,rgba(168,224,45,.18),transparent 60%),
    linear-gradient(180deg,var(--paper),var(--sand));
  padding:84px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.hero h1{font-size:clamp(2.6rem,5vw,4rem);color:var(--pine)}
.hero h1 em{font-style:italic;color:var(--lime-deep)}
.hero p.lead{
  margin-top:22px;font-size:1.18rem;color:var(--muted);max-width:30em;
}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:500;font-size:1rem;
  cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-primary{background:var(--lime);color:var(--pine);font-weight:600}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(123,184,20,.32)}
.btn-ghost{border-color:var(--moss);color:var(--pine)}
.btn-ghost:hover{background:var(--pine);color:var(--paper)}

.hero-stats{
  display:flex;gap:30px;margin-top:46px;flex-wrap:wrap;
}
.hero-stats .stat strong{
  font-family:Georgia,serif;font-size:1.7rem;color:var(--pine);display:block;
}
.hero-stats .stat span{font-size:.82rem;color:var(--muted)}

/* ---------- Signatuur: energielabel-meter ---------- */
.meter-card{
  background:var(--pine);color:var(--paper);
  border-radius:22px;padding:30px;
  box-shadow:0 28px 60px -24px rgba(15,46,34,.6);
  position:relative;overflow:hidden;
}
.meter-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 220px at 80% 0%,rgba(168,224,45,.2),transparent 60%);
  pointer-events:none;
}
.meter-card .eyebrow{color:var(--lime)}
.meter-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px}
.meter-head h3{font-size:1.25rem;color:var(--paper)}
.meter-grade{
  font-family:Georgia,serif;font-size:2.4rem;font-weight:700;color:var(--lime);
  line-height:1;
}
.label-bars{display:flex;flex-direction:column;gap:7px;position:relative;z-index:1}
.bar{
  display:flex;align-items:center;height:34px;border-radius:6px;
  color:#fff;font-size:.82rem;font-weight:600;padding-left:14px;position:relative;
}
.bar span.g{margin-right:auto}
.bar .arrow{
  position:absolute;right:-1px;top:0;height:100%;display:flex;align-items:center;
  padding-right:12px;font-weight:700;
}
.bar.a{background:#1a9850;width:46%}
.bar.b{background:#5cb648;width:54%}
.bar.c{background:#a6d435;width:62%}
.bar.d{background:#fce91d;width:70%;color:#3a3a00}
.bar.e{background:#fcb31d;width:78%;color:#3a2400}
.bar.f{background:#f8731d;width:86%}
.bar.g{background:#e63329;width:94%}
.bar.active{outline:2px solid var(--lime);outline-offset:3px;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{outline-color:rgba(168,224,45,.4)}50%{outline-color:rgba(168,224,45,1)}}
.meter-foot{margin-top:20px;font-size:.85rem;color:rgba(251,250,245,.75);position:relative;z-index:1}

/* ---------- Categorieën ---------- */
section{padding:80px 0}
.sec-head{max-width:34em;margin-bottom:46px}
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);color:var(--pine);margin-top:10px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:1.05rem}

.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:transform .25s,box-shadow .25s,border-color .25s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px -22px rgba(15,46,34,.4);border-color:var(--lime)}
.card .icon{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  background:var(--sand);margin-bottom:20px;
}
.card .icon svg{width:26px;height:26px;stroke:var(--moss);fill:none;stroke-width:1.7}
.card h3{font-size:1.3rem;color:var(--pine);margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem}
.card .tag{
  display:inline-block;margin-top:16px;font-size:.74rem;font-weight:600;
  letter-spacing:.04em;color:var(--lime-deep);
  border:1px solid var(--lime);border-radius:999px;padding:4px 12px;
}

/* ---------- Waarom strook ---------- */
.why{background:var(--pine);color:var(--paper)}
.why .eyebrow{color:var(--lime)}
.why h2{color:var(--paper)}
.why .sec-head p{color:rgba(251,250,245,.72)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.why-item{border-top:2px solid var(--lime);padding-top:18px}
.why-item h3{font-size:1.15rem;color:var(--paper);margin-bottom:8px;font-family:Georgia,serif}
.why-item p{color:rgba(251,250,245,.72);font-size:.95rem}
.why-num{font-family:Georgia,serif;font-size:.9rem;color:var(--lime);font-weight:700}

/* ---------- CTA-band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--moss),var(--pine));
  color:var(--paper);border-radius:24px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  box-shadow:0 24px 60px -30px rgba(15,46,34,.7);
}
.cta-band h2{color:var(--paper);font-size:clamp(1.7rem,3vw,2.3rem);max-width:14em}
.cta-band p{color:rgba(251,250,245,.8);margin-top:10px;max-width:30em}

/* ---------- Footer ---------- */
footer{background:var(--sand);border-top:1px solid var(--line);padding:60px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.foot-grid h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--moss);margin-bottom:16px}
.foot-grid a{display:block;color:var(--muted);font-size:.92rem;padding:5px 0;cursor:pointer;transition:color .2s}
.foot-grid a:hover{color:var(--lime-deep)}
.foot-about p{color:var(--muted);font-size:.92rem;margin-top:12px;max-width:26em}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;border-top:1px solid var(--line);
  color:var(--muted);font-size:.85rem;flex-wrap:wrap;gap:12px;
}

/* ---------- Responsive ---------- */
@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .cat-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .burger{display:block}
}
@media(max-width:560px){
  .cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:36px}
  .hero{padding:56px 0 48px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid var(--lime-deep);outline-offset:2px;border-radius:4px}