:root{--ink:#17272b;--muted:#59676a;--orange:#eb722e;--cream:#f5f4ef;--line:#d9dedb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}a,button{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:5px}header{height:104px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:white;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:12px;line-height:1.2;font-size:22px;font-weight:700;letter-spacing:-.8px}.brand svg{height:43px;width:44px;fill:none;stroke:var(--ink);stroke-width:3}.brand svg .lane{stroke:var(--orange)}.brand small{display:block;letter-spacing:2px;font-size:8px;margin-top:7px;font-weight:500}.brand-dot{color:var(--orange)}nav{display:flex;align-items:center;gap:26px;font-size:13px;font-weight:600}.nav-portal{border:1px solid #b7c0be;padding:12px 16px;margin-left:8px}nav a:hover{color:#b54a13}.menu{display:none}.hero{min-height:660px;height:calc(100vh - 145px);max-height:850px;position:relative;background:#172c30;color:white;overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0}.hero-image{background:url('tunnel.jpg') center 54%/cover;filter:saturate(.5);transform:scale(1.025)}.hero-shade{background:linear-gradient(90deg,rgba(9,26,30,.97),rgba(9,26,30,.82) 35%,rgba(9,26,30,.2) 80%),linear-gradient(0deg,rgba(9,26,30,.7),transparent 30%)}.hero-copy{position:relative;max-width:1400px;margin:auto;padding:72px 5.55% 110px}.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:700;margin:0 0 25px;line-height:1.6}.hero .eyebrow{color:#d2dddb;display:flex;gap:12px;align-items:center}.hero .eyebrow span{width:7px;height:7px;background:var(--orange);border-radius:50%}h1{font-size:clamp(42px,4.8vw,76px);line-height:1.07;letter-spacing:-2.5px;font-weight:500;margin:0 0 26px}h1 span{color:var(--orange)}.intro{color:#c6d2d1;font-size:17px;line-height:1.8;margin:0}.actions{display:flex;gap:28px;align-items:center;margin-top:32px}.button{padding:15px 22px;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;font-size:12px;font-weight:700;border:0}.orange{background:var(--orange);color:#102327}.orange:hover{background:#ff914f}.light-link{font-size:12px;border-bottom:1px solid #a5b4b4;padding:9px 0}.hero-bottom{position:absolute;bottom:28px;left:5%;right:5%;display:flex;justify-content:space-between;border-top:1px solid #ffffff30;padding-top:20px;font-size:9px;letter-spacing:1.5px;color:#c4cdcb}.vertical{position:absolute;right:22px;top:30%;writing-mode:vertical-rl;letter-spacing:2px;font-size:8px;color:#b8c4c3}.principles{display:grid;grid-template-columns:repeat(3,1fr);background:var(--cream);padding:25px 6%;font-size:13px}.principles span{padding:5px 22px;border-right:1px solid #d2d6d2}.principles span:first-child{padding-left:0}.principles span:last-child{border:0}.principles i{color:#a6ada8;font-size:10px;letter-spacing:1px;font-style:normal;margin-right:17px}.section{padding:100px 6%;scroll-margin-top:20px}h2{font-weight:500;letter-spacing:-1.8px;font-size:clamp(32px,3.5vw,49px);line-height:1.16;margin:0 0 30px}p{margin:0 0 20px}h3{font-size:22px;font-weight:500;letter-spacing:-.6px;line-height:1.25;margin:20px 0}.about{display:grid;grid-template-columns:1fr 1fr;gap:8%}.about-copy{max-width:560px}.about-copy p,.responsibility p{color:var(--muted);font-size:14px}.about-copy .lead,.responsibility .lead{color:var(--ink);font-size:20px;line-height:1.55}.text-link{font-size:12px;font-weight:700;display:inline-flex;gap:35px;padding:14px 0 8px;border-bottom:1px solid #aeb9b4}.services{background:var(--cream)}.section-heading{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:40px}.section-heading p:not(.eyebrow){color:var(--muted);font-size:14px;margin-bottom:30px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #bfc9c2}.service-grid article{position:relative;padding:35px 34px 10px 0;margin-right:34px;border-right:1px solid #d8ddd7}.service-grid article:last-child{border:0;margin:0;padding-right:0}.number{display:block;color:#7c8b83;font-size:11px}.service-grid svg{width:42px;height:42px;fill:none;stroke:#677c70;stroke-width:1.4;display:block;margin:30px 0 22px}.service-grid p{font-size:14px;color:var(--muted);max-width:320px}.responsibility{display:grid;grid-template-columns:1fr 1fr;gap:8%;background:#e5ebe4}.responsibility-label p:last-child{max-width:300px}.responsibility details{border-top:1px solid #bdc9bc;border-bottom:1px solid #bdc9bc;margin-top:30px;padding:17px 0}.responsibility summary{cursor:pointer;list-style:none;font-size:13px;font-weight:600;display:flex;justify-content:space-between;gap:15px}.responsibility details[open] summary{margin-bottom:20px}.responsibility details p{font-size:13px}.source a{text-decoration:underline}.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:55px;gap:30px}.steps article{border-top:1px solid var(--line);padding-top:20px}.steps b{color:#bb4e19;font-size:11px;font-weight:400}.steps h3{font-size:19px}.steps p{font-size:13px;color:var(--muted)}.portal{background:var(--ink);color:white;display:grid;grid-template-columns:1.1fr 1fr;gap:12%}.portal .eyebrow{color:#ec975e}.portal p:not(.eyebrow){color:#b5c3c3;font-size:14px;max-width:440px}.status{display:inline-flex;gap:9px;align-items:center;color:#c3ceca;border:1px solid #52625f;border-radius:3px;padding:9px 12px;font-size:10px;margin-top:14px}.status i{background:#e5a263;width:5px;height:5px;border-radius:50%}.portal-plan{border:1px solid #415053;padding:32px}.small-label{font-size:9px;letter-spacing:2px;color:#aebbb8}.portal ol{padding-left:22px;margin:26px 0}.portal li{padding-left:12px;margin:20px 0;color:#e5945b;font-size:12px}.portal li b{display:block;color:#f1f4ef;font-size:14px;font-weight:500}.portal li span{display:block;color:#a9b9b8;font-size:12px;margin-top:5px}.portal-plan p{font-size:11px!important;border-top:1px solid #415053;padding-top:20px;margin-bottom:0}.contact{display:grid;grid-template-columns:1fr 1fr;gap:10%}.contact p{font-size:14px;color:var(--muted);max-width:380px}.contact-note{margin-top:30px;padding-left:17px;border-left:2px solid var(--orange);font-size:12px;color:var(--muted);max-width:350px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-size:11px;font-weight:700;margin-bottom:19px}input,textarea{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #bdc7c3;background:white;border-radius:0;font-size:14px;resize:vertical;color:var(--ink)}.contact .form-note{font-size:11px;max-width:none}.dark{background:var(--ink);color:white}.dark:hover{background:#385047}#form-status{font-size:12px;margin-top:15px}footer{background:var(--cream);padding:38px 6% 22px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-bottom:28px}.footer-brand{font-size:23px;font-weight:600;letter-spacing:-1px}.footer-brand span{color:#bb4e19}.footer-top p{font-size:11px;color:var(--muted);margin:0}.footer-top>a:last-child{font-size:10px}.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.footer-bottom button{background:none;border:0;font-size:10px;color:var(--muted);margin-left:15px}dialog{border:0;padding:45px;max-width:650px;width:calc(100% - 35px);color:var(--ink)}dialog::backdrop{background:#0f2029b8}dialog h2{font-size:32px}dialog p{font-size:14px}dialog a{text-decoration:underline}.close{position:absolute;right:15px;top:8px;font-size:28px;border:0;background:none}.skip{position:absolute;top:-100px;left:20px;background:white;z-index:50;padding:10px}.skip:focus{top:10px}@media(min-width:1550px){.section{padding-left:max(6%,calc((100vw - 1320px)/2));padding-right:max(6%,calc((100vw - 1320px)/2))}}@media(max-width:1000px){header{height:86px}.brand{font-size:19px}nav{gap:15px;font-size:11px}.nav-portal{padding:10px}.hero-copy{padding-top:75px}h1{font-size:56px}.section{padding:75px 6%}.service-grid article{margin-right:22px;padding-right:22px}.portal{gap:6%}.hero{min-height:650px}}@media(max-width:760px){header{height:83px;padding:0 6%}.brand{font-size:19px}.brand small{font-size:6px;letter-spacing:1.5px}.brand svg{width:35px}.menu{display:block;border:1px solid #d5ddda;background:white;font-size:11px;padding:9px}nav{display:none;position:absolute;left:0;right:0;top:83px;background:white;padding:20px 6%;box-shadow:0 15px 20px #0002;flex-direction:column;align-items:stretch;gap:0}nav.open{display:flex}nav a{padding:13px 0;font-size:14px}.nav-portal{margin:10px 0 0;padding:12px}h1{font-size:clamp(39px,9vw,58px);letter-spacing:-1.7px}.hero{height:auto;min-height:650px}.hero-copy{padding:65px 6% 130px}.hero .eyebrow{font-size:8px;letter-spacing:1.1px}.intro{font-size:15px}.actions{align-items:start;gap:17px;flex-direction:column}.hero-bottom{font-size:7px;letter-spacing:.8px;left:6%;right:6%}.hero-bottom span{max-width:180px}.hero-image{background-position:65%}.hero-shade{background:linear-gradient(90deg,#091a1ef2,#091a1e90)}.vertical{display:none}.principles{grid-template-columns:1fr;padding:15px 6%;font-size:12px}.principles span{border-right:0;border-bottom:1px solid #d9ded7;padding:11px 0}.section{padding:65px 6%}.about,.responsibility,.portal,.contact{grid-template-columns:1fr;gap:25px}.about-copy{max-width:none}.section-heading{display:block;margin-bottom:30px}.service-grid{grid-template-columns:1fr}.service-grid article{border-right:0;border-bottom:1px solid #d8ddd7;padding:25px 0;margin:0;display:grid;grid-template-columns:55px 1fr;column-gap:15px}.service-grid .number{grid-column:1}.service-grid svg{grid-column:1;grid-row:2;margin:18px 0}.service-grid h3{grid-column:2;grid-row:2;margin:12px 0;font-size:23px}.service-grid p{grid-column:2;max-width:none}.steps{grid-template-columns:1fr 1fr;gap:25px;margin-top:30px}.portal-plan{padding:24px}.footer-top{align-items:start;flex-direction:column;gap:14px}.footer-bottom{gap:10px}.form-row{grid-template-columns:1fr}.desktop{display:none}h2{font-size:36px}dialog{padding:35px 25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{header,footer,.actions,form,.hero-image,.hero-shade,.vertical,.hero-bottom{display:none}.hero{height:auto;min-height:0;background:white;color:#17272b}.hero-copy{padding:20px 0}.intro{color:#17272b}.section{padding:25px 0;break-inside:avoid}.portal{background:white;color:#17272b}.portal p,.portal li b,.portal li span{color:#17272b}.status{color:#17272b}h1{font-size:36px}h2{font-size:28px}details>*{display:block!important}}
/* Samenwerking tussen onderhoudsdisciplines */
.disciplines{background:#fafaf7}.discipline-intro{max-width:800px;color:var(--muted);font-size:16px;margin-bottom:45px}.discipline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.discipline-grid article{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.discipline-grid h3{font-size:23px;min-height:58px}.discipline-grid p{font-size:14px;color:var(--muted)}.coordination{border-top:1px solid var(--line);padding-top:17px;color:var(--muted);font-size:12px}.coordination b{display:block;color:var(--ink);font-size:11px;margin-bottom:7px}.collaboration{display:grid;grid-template-columns:1fr 1fr;gap:8%;background:#f0ece4}.collaboration>div>p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:400px}.scenario{background:white;border-top:3px solid var(--orange);padding:35px}.scenario h3{font-size:25px;line-height:1.3}.scenario>p{font-size:14px!important}.scenario .small-label{color:#737c75;font-size:8px;letter-spacing:1px}.scenario ol{padding-left:20px}.scenario li{color:#bd5b25;font-size:12px;margin:20px 0;padding-left:8px}.scenario li b{display:block;color:var(--ink);font-size:13px}.scenario li span{display:block;color:var(--muted);margin-top:5px}.scenario-end{border-top:1px solid var(--line);padding-top:20px;margin-bottom:0;color:var(--ink)!important}nav{gap:20px}@media(max-width:1050px){nav{gap:12px;font-size:11px}.discipline-grid{grid-template-columns:repeat(2,1fr)}.discipline-grid h3{min-height:0}}@media(max-width:760px){.discipline-grid,.collaboration{grid-template-columns:1fr}.discipline-grid article{padding:25px}.collaboration{gap:20px}.scenario{padding:25px}nav{gap:0}nav a{font-size:14px}}@media print{.discipline-grid{grid-template-columns:repeat(2,1fr)}.discipline-grid article{break-inside:avoid}.collaboration{display:block}}
.contact-pending{padding:35px;border:1px solid var(--line);align-self:center}.contact-pending .small-label{color:#84634a}.contact-pending h3{font-size:27px;margin-top:24px}.contact-pending p{font-size:14px}.contact-coming{display:block;border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}
.safety{display:grid;grid-template-columns:1fr 1fr;gap:8%;background:#fafaf7}.safety>div>p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:440px}.safety-points article{padding:0 0 20px;margin-bottom:20px;border-bottom:1px solid var(--line)}.safety-points h3{font-size:20px;margin:0 0 12px}.safety-points article p{font-size:14px;color:var(--muted);margin:0}.safety-points .safety-role{font-size:12px!important;color:var(--muted)}@media(max-width:760px){.safety{grid-template-columns:1fr;gap:25px}}