/* ===========================================================================
   Jeroen Fiers BV — static site styles
   Palette: solar yellow / black / white
   =========================================================================== */

:root{
  --yellow:#ffcc00;
  --yellow-dk:#e6b800;
  --ink:#141414;
  --ink-2:#1d1d1d;
  --ink-3:#2a2a2a;
  --muted:#5d5d5d;
  --line:#e7e7e4;
  --paper:#ffffff;
  --paper-2:#f6f6f3;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --shadow-lg:0 24px 60px rgba(0,0,0,.18);
  --maxw:1200px;
  --pad:clamp(18px,5vw,40px);
  --header-h:74px;
  font-synthesis:none;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.12;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.7rem)}
h3{font-size:1.3rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.section{padding:clamp(56px,8vw,104px) 0}
.section--tight{padding:clamp(40px,6vw,72px) 0}
.bg-paper-2{background:var(--paper-2)}
.bg-ink{background:var(--ink);color:#fff}

/* eyebrow + headings ------------------------------------------------------ */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--yellow);border-radius:3px}
.bg-ink .eyebrow{color:#cfcfcf}
.section-head{max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
.section-head.center{margin-inline:auto;text-align:center}
.lead{font-size:1.12rem;color:var(--muted)}
.bg-ink .lead{color:#c7c7c7}

/* buttons ----------------------------------------------------------------- */
.btn{
  --b:var(--ink);
  display:inline-flex;align-items:center;gap:.6rem;
  font-weight:700;font-size:.98rem;letter-spacing:.01em;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid var(--b);
  background:var(--b);color:#fff;cursor:pointer;
  transition:transform .15s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{--b:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.btn--primary:hover{background:var(--yellow-dk);border-color:var(--yellow-dk)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:#fff;color:var(--ink);border-color:#fff}
.btn--on-dark.btn--ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.btn--on-dark.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

.textlink{
  display:inline-flex;align-items:center;gap:.4rem;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--yellow);padding-bottom:2px;
}
.textlink .arrow{transition:transform .2s ease}
.textlink:hover .arrow{transform:translateX(4px)}

/* ===========================  HEADER  ==================================== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.2rem;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:-.02em;font-size:1.18rem}
.brand-logo{display:block;height:42px;width:auto}
.foot-brand .brand-logo{height:52px}
.brand .mark{
  width:34px;height:34px;border-radius:9px;background:var(--ink);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand .mark span{display:block;width:16px;height:16px;background:var(--yellow);
  clip-path:polygon(50% 0,100% 100%,0 100%)}
.brand b{font-weight:800}
.brand .sub{display:block;font-size:.62rem;letter-spacing:.22em;color:var(--muted);font-weight:600;text-transform:uppercase;margin-top:-2px}

.nav{margin-left:auto;display:flex;align-items:center;gap:.25rem}
.nav a.navlink,.nav button.navlink{
  font:inherit;font-weight:600;font-size:.98rem;color:var(--ink);
  padding:.6rem .85rem;border-radius:9px;background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:.35rem;
}
.nav a.navlink:hover,.nav .has-menu:hover>.navlink,.nav a.navlink[aria-current="page"]{color:var(--ink);background:var(--paper-2)}
.nav a.navlink[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--yellow)}
.caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}

.has-menu{position:relative}
.menu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:300px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);
  padding:.5rem;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.18s ease;
}
.has-menu:hover .menu,.has-menu:focus-within .menu,.menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.menu a{display:block;padding:.7rem .8rem;border-radius:10px;font-weight:600;font-size:.95rem}
.menu a small{display:block;font-weight:500;color:var(--muted);font-size:.8rem;letter-spacing:0}
.menu a:hover{background:var(--paper-2)}
.menu a[aria-current="page"]{background:var(--paper-2);color:var(--ink);box-shadow:inset 3px 0 0 var(--yellow)}
.header-cta{display:flex;align-items:center;gap:.7rem;margin-left:.4rem}
.header-phone{font-weight:700;font-size:.95rem;white-space:nowrap}
.header-phone small{display:block;font-weight:500;color:var(--muted);font-size:.72rem}

.hamburger{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);
  background:#fff;border-radius:11px;cursor:pointer;position:relative}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--ink);
  transform:translate(-50%,-50%);transition:.2s}
.hamburger span::before{transform:translate(-50%,-8px)}
.hamburger span::after{transform:translate(-50%,6px)}
body.nav-open .hamburger span{background:transparent}
body.nav-open .hamburger span::before{transform:translate(-50%,-50%) rotate(45deg)}
body.nav-open .hamburger span::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* ===========================  HERO  ===================================== */
.hero{position:relative;color:#fff;isolation:isolate;min-height:clamp(460px,72vh,720px);
  display:flex;align-items:flex-end;padding-bottom:clamp(40px,7vw,80px);padding-top:clamp(48px,8vw,90px)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(10,10,10,.30) 0%,rgba(10,10,10,.45) 45%,rgba(10,10,10,.82) 100%)}
.hero--home{min-height:clamp(560px,86vh,820px)}
.hero-content{max-width:780px}
.hero .eyebrow{color:#fff}
.hero .eyebrow::before{background:var(--yellow)}
.hero h1{color:#fff;margin-bottom:.4em}
.hero p{font-size:clamp(1.05rem,1.8vw,1.3rem);color:#eaeaea;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}

.page-hero{min-height:clamp(320px,46vh,440px)}
.crumbs{font-size:.85rem;color:#d9d9d9;margin-bottom:.8rem;display:flex;gap:.5rem;flex-wrap:wrap}
.crumbs a{color:#fff;opacity:.8}.crumbs a:hover{opacity:1}
.crumbs span{opacity:.6}

/* ===========================  STATS  ==================================== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:#fff;padding:clamp(24px,4vw,40px);text-align:center}
.stat .num{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.stat .num em{font-style:normal;color:var(--yellow-dk)}
.stat .lbl{margin-top:.5rem;color:var(--muted);font-weight:600;font-size:.92rem;letter-spacing:.02em}

/* ===========================  CARDS / GRID  ============================= */
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:16/11;overflow:hidden;background:var(--paper-2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;flex:1}
.card .body h3{margin-bottom:.4rem}
.card .body p{color:var(--muted);font-size:.96rem}
.card .body .textlink{margin-top:auto;padding-top:.6rem}
.tag{position:absolute;left:14px;top:14px;background:var(--yellow);color:var(--ink);
  font-weight:700;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;padding:.3rem .6rem;border-radius:7px}

/* project cover cards (image with overlay) */
.cover{position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;display:flex;
  align-items:flex-end;color:#fff;isolation:isolate}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s ease}
.cover::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.72))}
.cover:hover img{transform:scale(1.06)}
.cover .cover-body{padding:1.5rem}
.cover h3{color:#fff;margin-bottom:.2rem}
.cover p{color:#e2e2e2;font-size:.92rem;margin:0}
.cover .cover-go{margin-top:.8rem;display:inline-flex;align-items:center;gap:.4rem;font-weight:700;
  color:var(--yellow);font-size:.92rem}

/* feature list / checks */
.checks{list-style:none;padding:0;margin:1rem 0;display:grid;gap:.6rem}
.checks li{position:relative;padding-left:2rem;font-weight:500}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;
  background:var(--yellow)}
.checks li::after{content:"";position:absolute;left:6px;top:.62em;width:6px;height:3px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}

/* two-column media+text */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.split.rev .split-media{order:2}
.split-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.split-media.stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.split-media.stack img{aspect-ratio:1;object-fit:cover}
.split-media.stack img:first-child{grid-column:1/-1;aspect-ratio:16/9}

/* badge row */
.pill{display:inline-block;background:var(--ink);color:#fff;font-weight:700;font-size:.78rem;
  letter-spacing:.05em;padding:.4rem .8rem;border-radius:999px}
.pill--yellow{background:var(--yellow);color:var(--ink)}

/* ===========================  CTA BAND  ================================= */
.cta-band{background:var(--ink);color:#fff;border-radius:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;
  padding:clamp(40px,6vw,72px) 0}
.cta-inner h2{margin:0;max-width:18ch}
.cta-inner .accent{color:var(--yellow)}

/* ===========================  GALLERY  ================================= */
.gallery{columns:3;column-gap:16px}
.gallery a{display:block;margin:0 0 16px;border-radius:12px;overflow:hidden;break-inside:avoid;position:relative}
.gallery img{width:100%;transition:transform .5s ease,filter .3s ease}
.gallery a:hover img{transform:scale(1.04)}
.gallery a::after{content:"";position:absolute;inset:0;background:rgba(20,20,20,0);transition:.25s}
.gallery a:hover::after{background:rgba(20,20,20,.12)}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,8,8,.92);display:none;
  align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:8px;box-shadow:var(--shadow-lg)}
.lb-btn{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;width:52px;height:52px;
  border-radius:50%;font-size:1.5rem;cursor:pointer;display:grid;place-items:center;transition:.2s}
.lb-btn:hover{background:var(--yellow);color:var(--ink)}
.lb-close{top:20px;right:20px}
.lb-prev{left:20px;top:50%;transform:translateY(-50%)}
.lb-next{right:20px;top:50%;transform:translateY(-50%)}

/* ===========================  CONTACT  ================================= */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,56px);align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.info-row{display:flex;gap:.9rem;padding:.9rem 0;border-bottom:1px solid var(--line);align-items:flex-start}
.info-row:last-child{border-bottom:0}
.info-row .ic{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--paper-2);
  display:grid;place-items:center;font-size:1.1rem}
.info-row b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.info-row a,.info-row span{font-weight:600}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.4rem}
.field input,.field textarea{width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:11px;
  font:inherit;background:var(--paper-2);transition:border .2s,background .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--yellow);background:#fff;
  box-shadow:0 0 0 3px rgba(255,204,0,.25)}
.field textarea{min-height:140px;resize:vertical}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.consent input{margin-top:.25rem}
.email-cta{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.8rem;margin-top:1.4rem}
.email-cta__label{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-bottom:.35rem}
a.email-cta__addr{font-size:clamp(1.25rem,3vw,1.85rem);font-weight:800;letter-spacing:-.02em;color:var(--ink);
  border-bottom:3px solid var(--yellow);display:inline-block;line-height:1.25;word-break:break-word}
a.email-cta__addr:hover{color:var(--yellow-dk)}
.btn.eml{cursor:pointer}

/* FAQ (native disclosure) */
.faq{max-width:820px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:1.15rem 2.4rem 1.15rem 0;position:relative;
  font-weight:700;font-size:1.08rem;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:.2rem;top:1.5rem;width:11px;height:11px;
  border-right:2.5px solid var(--ink);border-bottom:2.5px solid var(--ink);
  transform:rotate(45deg);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--yellow-dk)}
.faq-a{padding:0 0 1.25rem;color:var(--muted);max-width:72ch}
.faq-a p{margin:0}

/* ===========================  FOOTER  ================================= */
.site-footer{background:var(--ink);color:#cfcfcf;padding:clamp(48px,7vw,80px) 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:2rem}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem}
.site-footer a{color:#cfcfcf}.site-footer a:hover{color:var(--yellow)}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:.55rem;font-size:.95rem}
.foot-brand .brand{color:#fff;font-size:1.25rem}
.foot-brand .brand .sub{color:#9a9a9a}
.foot-brand p{margin-top:1rem;font-size:.95rem;max-width:34ch}
.foot-contact{font-style:normal;font-size:.95rem;display:grid;gap:.5rem}
.foot-contact b{color:#fff}
.social{display:inline-flex;gap:.6rem;margin-top:1rem}
.social a{width:40px;height:40px;border-radius:10px;background:var(--ink-3);display:grid;place-items:center;color:#fff}
.social a:hover{background:var(--yellow);color:var(--ink)}
.foot-bottom{border-top:1px solid #2c2c2c;margin-top:clamp(40px,5vw,60px);padding:1.4rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#9a9a9a}
.foot-bottom a:hover{color:var(--yellow)}

/* misc */
.prose{max-width:760px}
.prose h2{margin-top:2rem}
.prose ul{padding-left:1.2rem}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}

/* ===========================  RESPONSIVE  ============================== */
@media(max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:2rem 1.4rem}
  .foot-brand{grid-column:1/-1}
}
@media(max-width:860px){
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:1rem var(--pad) 1.6rem;gap:.2rem;
    margin:0;transform:translateY(-130%);transition:transform .28s ease;
    box-shadow:var(--shadow-lg);max-height:calc(100vh - var(--header-h));overflow:auto}
  body.nav-open .nav{transform:translateY(0)}
  .nav a.navlink,.nav button.navlink{width:100%;font-size:1.05rem;padding:.8rem .6rem}
  .has-menu{display:block}
  .menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    border-left:2px solid var(--line);border-radius:0;margin:0 0 .4rem .8rem;padding:.2rem 0;
    min-width:0;display:none}
  .menu.open{display:block}
  .has-menu:hover .menu{display:none}
  .has-menu.open .menu{display:block}
  .header-cta .header-phone{display:none}
  .hamburger{display:block}
  .split{grid-template-columns:1fr;gap:28px}
  .split.rev .split-media{order:0}
  .contact-grid{grid-template-columns:1fr}
  .gallery{columns:2}
}
@media(max-width:560px){
  body{font-size:16px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:1px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .gallery{columns:1}
  .foot-grid{grid-template-columns:1fr}
  .lb-prev{left:8px}.lb-next{right:8px}
}