/* HV-ONTWERP-20261004 — homepage hydrovolt.nl. Lettertypes/variabelen in stroom.css. */
.hv{--g:#0b1220;--g2:#121c30;--c:#18b8d8;--v:#f5b82e;--m:#55627a;--l:#e2e8ee;--li:#f3f6f8;--e:cubic-bezier(.2,.8,.2,1);color:#0f1726}
.hv .wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.hv h1,.hv h2,.hv h3{margin:0;color:var(--g)}
.hv p{margin:0}
.hv-label{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#0e8aa3;margin-bottom:14px!important}
.hv-mono{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--v);font-weight:700}
.hv-live{width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 0 0 rgba(24,184,216,.6);animation:hv-p 2s infinite}
@keyframes hv-p{70%{box-shadow:0 0 0 9px rgba(24,184,216,0)}100%{box-shadow:0 0 0 0 rgba(24,184,216,0)}}
.hv-knop{display:inline-flex;align-items:center;justify-content:center;padding:16px 26px;border-radius:12px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:transform .25s var(--e),background .25s,color .25s,border-color .25s,box-shadow .25s;cursor:pointer;font-size:16px}
.hv-knop:hover{transform:translateY(-2px)}
.hv-knop.is-volt{background:var(--v);color:var(--g)!important;box-shadow:0 0 0 0 rgba(245,184,46,.5)}
.hv-knop.is-volt:hover{box-shadow:0 0 30px 0 rgba(245,184,46,.55)}
.hv-knop.is-lijn{color:#fff!important;border-color:rgba(255,255,255,.35)}
.hv-knop.is-lijn:hover{border-color:var(--c);color:var(--c)!important}
.hv-knop.is-donker{background:var(--g);color:#fff!important}

/* opening + energieschema */
.hv-hero{background:var(--g);color:#b8c4d8;padding:clamp(44px,6vw,88px) 0 clamp(52px,7vw,96px);position:relative;overflow:hidden}
.hv-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(24,184,216,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(24,184,216,.06) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 25%,transparent 75%);mask-image:radial-gradient(ellipse at 70% 40%,#000 25%,transparent 75%)}
.hv-hero-in{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,5vw,70px);align-items:center}
.hv-hero h1{color:#fff;font-size:clamp(2.8rem,6.4vw,5.4rem);line-height:.95;letter-spacing:-.05em}
.hv-hero h1 span{background:linear-gradient(90deg,var(--c),var(--v));-webkit-background-clip:text;background-clip:text;color:transparent}
.hv-lead{margin-top:22px!important;font-size:clamp(17px,1.5vw,19px);line-height:1.6;max-width:540px}
.hv-knoppen{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hv-schema{position:relative;aspect-ratio:1/1;border-radius:24px;background:var(--g2);border:1px solid rgba(24,184,216,.18);box-shadow:inset 0 0 80px rgba(24,184,216,.08),0 40px 80px -40px rgba(0,0,0,.8)}
.hv-schema svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.hv-draad{fill:none;stroke:rgba(24,184,216,.22);stroke-width:.9}
.hv-stroom{fill:none;stroke:var(--v);stroke-width:1;stroke-linecap:round;stroke-dasharray:3 9;animation:hv-vloei 2.4s linear infinite;filter:drop-shadow(0 0 1.5px rgba(245,184,46,.9))}
@keyframes hv-vloei{to{stroke-dashoffset:-24}}
.hv-knoop{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:6px;text-decoration:none;outline:0;z-index:2;margin:0}
.hv-knoop i{width:22px;height:22px;border-radius:7px;background:var(--g);border:2px solid var(--c);box-shadow:0 0 0 0 rgba(24,184,216,.5);transition:transform .25s var(--e),background .2s,border-color .2s}
.hv-knoop span{font-size:12.5px;font-weight:700;color:#d6e2f0;background:rgba(11,18,32,.85);padding:3px 9px;border-radius:7px;white-space:nowrap;border:1px solid rgba(255,255,255,.08)}
.hv-knoop:hover i,.hv-knoop:focus-visible i,.hv-knoop.is-aan i{background:var(--v);border-color:var(--v);transform:scale(1.25);box-shadow:0 0 18px rgba(245,184,46,.7)}
.hv-knoop:hover span,.hv-knoop:focus-visible span,.hv-knoop.is-aan span{background:var(--v);color:var(--g)}
.hv-uitleg{position:absolute;left:5%;right:5%;bottom:-38px;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:14px 18px;border-radius:14px;background:#fff;color:var(--m);box-shadow:0 20px 40px -16px rgba(0,0,0,.5);z-index:3}
.hv-uitleg b{font-family:'Sora',sans-serif;color:var(--g);font-size:19px}
.hv-uitleg .hv-mono{color:#0e8aa3;width:100%}
.hv-uitleg span:not(.hv-mono){flex:1;font-size:14.5px;line-height:1.45}
.hv-uitleg a{color:#0e8aa3;font-weight:700;text-decoration:none}
.hv-uitleg.is-wissel b,.hv-uitleg.is-wissel span{animation:hv-w .4s var(--e)}
@keyframes hv-w{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

/* secties */
.hv-sec{padding:clamp(64px,9vw,112px) 0}
.hv-storing{background:var(--li);padding-top:clamp(84px,10vw,130px)}
.hv-donker{background:var(--g);color:#b8c4d8}
.hv-donker h2,.hv-donker h3{color:#fff}
.hv-kop{max-width:760px;margin-bottom:40px}
.hv-kop h2,.hv-twee h2{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1;letter-spacing:-.04em}
.hv-twee{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,70px);align-items:center}
.hv-twee p:not(.hv-label){margin-top:14px!important;font-size:18px}
.hv-smal{max-width:880px}
.hv-meer{margin-top:28px!important;font-weight:700}
.hv-meer a{color:var(--g);text-decoration:underline;text-decoration-color:var(--c);text-decoration-thickness:3px;text-underline-offset:4px}
.hv-stappen{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.hv-stappen li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--l);border-radius:14px;padding:16px 18px;font-size:16px;line-height:1.5}
.hv-stappen b{font-family:'Sora',sans-serif;color:#0e8aa3;font-size:15px;padding-top:1px}
.hv-stappen a{color:var(--g);font-weight:700}
.hv-diensten{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hv-dienst{position:relative;display:block;padding:26px 26px 60px;border-radius:18px;border:1px solid var(--l);background:#fff;text-decoration:none;color:#0f1726;overflow:hidden;transition:transform .35s var(--e),box-shadow .35s var(--e),border-color .3s}
.hv-dienst::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 100% 0,rgba(24,184,216,.12),transparent 60%);opacity:0;transition:opacity .35s}
.hv-dienst:hover{transform:translateY(-5px);box-shadow:0 26px 50px -28px rgba(11,18,32,.55);border-color:var(--c)}
.hv-dienst:hover::before{opacity:1}
.hv-nr{font-family:'Sora',sans-serif;font-weight:800;font-size:14px;color:#0e8aa3}
.hv-dienst h3{font-size:24px;margin:10px 0 8px}
.hv-dienst p{color:var(--m);line-height:1.55}
.hv-pijl{position:absolute;right:20px;bottom:18px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--li);color:var(--g);font-weight:700;transition:background .25s,color .25s,transform .35s var(--e)}
.hv-dienst:hover .hv-pijl{background:var(--v);transform:translateX(3px)}
.hv-fotos{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-rows:auto auto;gap:14px}
.hv-fotos figure{position:relative;margin:0;border-radius:18px;overflow:hidden;aspect-ratio:4/3;background:var(--g2)}
.hv-fotos figure:first-child{grid-row:span 2;aspect-ratio:auto}
.hv-fotos figure:nth-child(4){grid-column:2/4;aspect-ratio:2.4/1}
.hv-fotos img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--e)}
.hv-fotos figure:hover img{transform:scale(1.05)}
.hv-fotos figcaption{position:absolute;left:12px;bottom:12px;padding:8px 12px;border-radius:10px;background:rgba(11,18,32,.82);color:#fff;font-size:13.5px;font-weight:600}
.hv-reviews{display:grid;grid-template-columns:.8fr repeat(3,1fr);gap:14px}
.hv-score{font-family:'Sora',sans-serif;font-size:clamp(4.5rem,9vw,7rem);font-weight:800;line-height:.85;color:var(--g);letter-spacing:-.05em}
.hv-sterren{color:var(--v);font-size:20px;margin-top:8px!important}
.hv-klein{font-size:14px;color:var(--m);margin:12px 0 18px!important}
.hv-rev{margin:0;background:var(--li);border-radius:18px;padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.hv-rev blockquote{margin:0;font-size:17px;line-height:1.55}
.hv-rev figcaption b{display:block;color:var(--g)}
.hv-rev figcaption span{font-size:13px;color:var(--m)}
.hv-vraag{border-bottom:1px solid var(--l)}
.hv-vraag summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:20px 0;font-family:'Sora',sans-serif;font-size:20px;font-weight:700;color:var(--g)}
.hv-vraag summary::-webkit-details-marker{display:none}
.hv-vraag summary::after{content:"+";color:#0e8aa3;font-size:24px;transition:transform .3s var(--e)}
.hv-vraag[open] summary::after{transform:rotate(45deg)}
.hv-vraag p{padding:0 0 20px;color:var(--m);line-height:1.65}
.hv-vraag a{color:#0e8aa3;text-decoration:underline}
.hv-tel{display:inline-block;margin-top:22px;font-family:'Sora',sans-serif;font-size:clamp(2.2rem,4vw,3.2rem);font-weight:800;color:var(--v)!important;text-decoration:none;letter-spacing:-.04em}
.hv-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:#fff;color:var(--g);padding:clamp(22px,3vw,32px);border-radius:20px}
.hv-form label{font-size:13px;font-weight:700}
.hv-form small{font-weight:500;color:var(--m)}
.hv-form input,.hv-form textarea,.hv-form select{display:block;width:100%;margin-top:6px;padding:13px 14px;border:1.5px solid var(--l);border-radius:10px;background:var(--li);font:inherit;font-size:16px;font-weight:400;color:#0f1726}
.hv-form input:focus,.hv-form textarea:focus,.hv-form select:focus{outline:0;border-color:var(--c);background:#fff}
.hv-breed{grid-column:1/-1}
.hv-vink{display:flex;align-items:center;gap:10px}
.hv-vink input{width:auto!important;margin:0!important}
.hv-form .hv-knop{grid-column:1/-1;border:0}
.hv-proef{grid-column:1/-1;background:#fff7e0;border:1px dashed #d49a00;color:#7a5700;padding:9px 12px;border-radius:10px;font-size:13px}
.hv-js .hv-op{opacity:0;transform:translateY(22px);transition:opacity .8s var(--e),transform .8s var(--e)}
.hv-js .hv-op.is-zichtbaar{opacity:1;transform:none}
.hv-v1{transition-delay:.08s!important}.hv-v2{transition-delay:.16s!important}.hv-v3{transition-delay:.24s!important}
@media(max-width:1000px){.hv-hero-in,.hv-twee{grid-template-columns:1fr}.hv-diensten{grid-template-columns:1fr 1fr}.hv-reviews{grid-template-columns:1fr 1fr}.hv-reviews>div:first-child{grid-column:1/-1}.hv-schema{max-width:560px;width:100%;margin:0 auto}}
@media(max-width:600px){.hv-diensten,.hv-form,.hv-reviews{grid-template-columns:1fr}.hv-fotos{grid-template-columns:1fr 1fr}.hv-fotos figure:first-child{grid-row:auto;grid-column:1/-1;aspect-ratio:4/3}.hv-fotos figure:nth-child(4){grid-column:1/-1}.hv-knoop span{font-size:10.5px;padding:2px 6px}.hv-uitleg{position:relative;left:auto;right:auto;bottom:auto;margin:14px 0 0}.hv-knoppen .hv-knop{flex:1 1 100%}.hv-storing{padding-top:64px}}
@media(prefers-reduced-motion:reduce){.hv *,.hv *::before,.hv *::after{animation:none!important;transition:none!important}.hv-js .hv-op{opacity:1!important;transform:none!important}}
/* A11Y-CONTRAST-20261004 — kleine tekst donkerder voor leesbaarheid (WCAG AA) */
.hv-label,li>b,.hv-op p a,.hv-kop p a{color:#08697d!important}.call-bar .cb-wa{background:#128043!important}.call-bar .cb-quote{background:#0c766c!important}

/* PF-FOTOS-A11Y-20261004 — tweede fotorij (4 echte werkfoto's) + label leesbaar op donkere vlakken */
.hv-fotos.hv-fotos-2{grid-template-columns:repeat(4,1fr);margin-top:14px}
.hv-fotos.hv-fotos-2 figure,.hv-fotos.hv-fotos-2 figure:first-child,.hv-fotos.hv-fotos-2 figure:nth-child(4){grid-row:auto;grid-column:auto;aspect-ratio:3/4}
@media(max-width:760px){.hv-fotos.hv-fotos-2{grid-template-columns:1fr 1fr}}
.hv-donker .hv-label{color:#5fd0e6!important}