/* Gresnich Consulting — gedeelde opmaak voor alle pagina's.
   Bron van het ontwerp: artifact "Gresnich Consulting" (sep 2026).
   Lettertypes staan zelf gehost in /fonts (geen Google Fonts: geen IP-adres
   van bezoekers naar Google, en één verbinding minder). */

@font-face{font-family:"Archivo";font-style:normal;font-weight:400 800;font-stretch:100% 125%;font-display:swap;src:url(/fonts/archivo.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/plex-sans.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/plex-mono-500.woff2) format("woff2")}

:root{
  --paper:#EDF0F3;
  --surface:#F8FAFB;
  --ink:#111823;
  --ink-2:#3A4756;
  --ink-3:#66768A;
  --line:#C6D0DA;
  --line-soft:#DCE3E9;
  --accent:#1F4FD8;
  --accent-soft:#E0E7FC;
  --signal:#B36A05;
  --grid:rgba(17,24,35,.055);
  --shadow:0 1px 0 rgba(17,24,35,.04);
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0D1118;--surface:#141A23;--ink:#E8EDF3;--ink-2:#B2BDCB;--ink-3:#7C8B9C;
    --line:#2A3441;--line-soft:#1D2530;--accent:#88AAFF;--accent-soft:#1A2540;--signal:#E3A63C;
    --grid:rgba(232,237,243,.06);--shadow:0 1px 0 rgba(0,0,0,.3);color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0D1118;--surface:#141A23;--ink:#E8EDF3;--ink-2:#B2BDCB;--ink-3:#7C8B9C;
  --line:#2A3441;--line-soft:#1D2530;--accent:#88AAFF;--accent-soft:#1A2540;--signal:#E3A63C;
  --grid:rgba(232,237,243,.06);--shadow:0 1px 0 rgba(0,0,0,.3);color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-padding-top:76px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(16px,5vw,56px)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--display);font-stretch:112%;text-wrap:balance;margin:0;letter-spacing:-.02em;line-height:1.06}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:10}
.skip:focus{left:8px}

.mono{font-family:var(--mono);font-size:.735rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- masthead ---------- */
.masthead{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:5}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:62px}
.brand{display:flex;align-items:baseline;gap:10px;font-family:var(--display);font-stretch:112%;font-weight:700;font-size:1.02rem;letter-spacing:-.01em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand span{font-family:var(--mono);font-weight:400;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.navlinks{display:flex;gap:clamp(14px,2.4vw,30px);align-items:center;flex-wrap:wrap}
.navlinks a{font-family:var(--mono);font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2)}
.navlinks a:hover{color:var(--accent)}
.navlinks a.cta{color:var(--paper);background:var(--ink);padding:7px 13px;border-radius:2px}
.navlinks a.cta:hover{background:var(--accent);text-decoration:none}

/* ---------- hero ---------- */
.hero{border-bottom:1px solid var(--line);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:100% 34px,34px 100%;background-position:-1px -1px}
.hero .wrap{padding-top:clamp(48px,7vw,86px);padding-bottom:clamp(44px,6vw,72px);display:grid;grid-template-columns:minmax(0,1.55fr) minmax(230px,.85fr);gap:clamp(28px,5vw,60px);align-items:end}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow i{display:block;width:26px;height:1px;background:var(--signal)}
h1{font-size:clamp(2.2rem,6.4vw,4.15rem);font-weight:700}
h1 em{font-style:normal;color:var(--accent)}
.lede{margin-top:22px;max-width:56ch;font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-2)}
.heroactions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-block;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;padding:11px 18px;border:1px solid var(--ink);border-radius:2px;color:var(--ink)}
.btn:hover{text-decoration:none;background:var(--ink);color:var(--paper)}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent)}

.facts{border-top:1px solid var(--line);padding-top:14px}
.facts .mono{display:block;margin-bottom:10px}
.facts li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:.9rem;color:var(--ink-2)}
.facts li b{font-family:var(--mono);font-weight:500;font-size:.82rem;color:var(--ink);font-variant-numeric:tabular-nums;text-align:right}

/* ---------- werkvelden ---------- */
.fields{border-bottom:1px solid var(--line)}
.sectionhead{padding-top:clamp(40px,5vw,64px);display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sectionhead h2{font-size:clamp(1.35rem,2.6vw,1.7rem);font-weight:600}
.field{padding:clamp(34px,4.4vw,52px) 0;border-top:1px solid var(--line-soft);display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.9fr);gap:clamp(26px,4vw,54px)}
.sectionhead + .field{margin-top:clamp(20px,3vw,32px);border-top:1px solid var(--line)}
.fieldtag{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.fieldtag .code{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--accent);background:var(--accent-soft);padding:3px 7px;border-radius:2px}
.field h3{font-size:clamp(1.75rem,3.6vw,2.4rem);font-weight:700}
.kicker{margin-top:12px;font-family:var(--display);font-stretch:112%;font-size:clamp(1.02rem,1.7vw,1.22rem);font-weight:500;color:var(--ink);max-width:44ch;text-wrap:balance}
.field p.body{margin-top:14px;max-width:62ch;color:var(--ink-2)}
.doing{margin-top:22px;display:grid;gap:0}
.doing li{display:grid;grid-template-columns:18px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:.95rem;color:var(--ink-2)}
.doing li::before{content:"";width:7px;height:7px;margin-top:.55em;border:1px solid var(--signal);background:transparent}
.doing li:last-child{border-bottom:0}
.fieldlink{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.btn.ext::after{content:" \2197"}

.aside{display:flex;flex-direction:column;gap:18px}
.plate{border:1px solid var(--line);background:var(--surface);border-radius:2px;box-shadow:var(--shadow);margin:0}
.plate .drawing{padding:16px 16px 6px;display:block}
.plate svg{display:block;width:100%;height:auto;color:var(--ink-3)}
.plate figcaption{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:0 16px 14px}
dl.spec{margin:0;border:1px solid var(--line);border-radius:2px;overflow:hidden}
dl.spec div{display:grid;grid-template-columns:minmax(84px,.62fr) 1fr;border-top:1px solid var(--line-soft)}
dl.spec div:first-child{border-top:0}
dl.spec dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:11px 12px;background:var(--surface);border-right:1px solid var(--line-soft)}
dl.spec dd{margin:0;padding:11px 12px;font-size:.88rem;color:var(--ink-2)}

/* ---------- rode draad ---------- */
.thread .wrap{padding-top:clamp(44px,5.5vw,72px);padding-bottom:clamp(44px,5.5vw,72px)}
.thread .inner{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(26px,4vw,54px)}
.thread h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;max-width:22ch}
.thread .note{margin-top:14px;color:var(--ink-3);font-size:.95rem;max-width:34ch}
.principles{display:grid;gap:0}
.principles li{padding:18px 0;border-top:1px solid var(--line-soft);display:grid;grid-template-columns:minmax(0,.5fr) minmax(0,1fr);gap:clamp(14px,3vw,32px)}
.principles li:first-child{border-top:1px solid var(--line)}
.principles h3{font-size:1.02rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.principles p{color:var(--ink-2);font-size:.94rem;max-width:52ch}

/* ---------- contact ---------- */
.contact{border-top:1px solid var(--line);background:var(--surface)}
.contact .wrap{padding-top:clamp(46px,6vw,78px);padding-bottom:clamp(46px,6vw,78px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(230px,.8fr);gap:clamp(26px,4vw,54px);align-items:start}
.contact h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700;max-width:24ch}
.contact p{margin-top:16px;color:var(--ink-2);max-width:50ch}
.mailrow{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.maillink{font-family:var(--mono);font-size:.95rem;padding:12px 16px;border:1px solid var(--accent);border-radius:2px;color:var(--accent);background:var(--paper);overflow-wrap:anywhere}
.maillink:hover{background:var(--accent);color:var(--paper);text-decoration:none}

/* ---------- subpagina's (per werkveld) ---------- */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs span[aria-hidden]{color:var(--line)}
.pagehero{border-bottom:1px solid var(--line);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:100% 34px,34px 100%;background-position:-1px -1px}
.pagehero .wrap{padding-top:clamp(36px,5vw,64px);padding-bottom:clamp(36px,5vw,60px);display:grid;grid-template-columns:minmax(0,1.55fr) minmax(230px,.85fr);gap:clamp(28px,5vw,60px);align-items:end}
.pagehero h1{font-size:clamp(2rem,5vw,3.3rem)}
.block{border-bottom:1px solid var(--line)}
.block .wrap{padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(40px,5vw,64px);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(26px,4vw,54px)}
.block.alt{background:var(--surface)}
.block h2{font-size:clamp(1.4rem,2.8vw,1.9rem);font-weight:700;max-width:22ch}
.block .note{margin-top:14px;color:var(--ink-3);font-size:.95rem;max-width:36ch}
.block .content > p{color:var(--ink-2);max-width:62ch}
.block .content > p + p{margin-top:12px}
.steps{counter-reset:stap;display:grid;gap:0}
.steps li{counter-increment:stap;display:grid;grid-template-columns:46px minmax(0,1fr);gap:14px;padding:18px 0;border-top:1px solid var(--line-soft)}
.steps li:first-child{border-top:1px solid var(--line)}
.steps li::before{content:counter(stap,decimal-leading-zero);font-family:var(--mono);font-size:.8rem;color:var(--accent);padding-top:.25em}
.steps h3,.situations h3{font-size:1.05rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.steps p,.situations p{margin-top:6px;color:var(--ink-2);font-size:.95rem;max-width:58ch}
.situations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(20px,3vw,36px)}
.situations li{padding:18px 0;border-top:1px solid var(--line-soft)}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{display:block;border:1px solid var(--line);background:var(--paper);border-radius:2px;padding:16px 16px 14px;color:var(--ink)}
.block.alt .card{background:var(--surface)}
.card:hover{border-color:var(--accent);text-decoration:none}
.card b{display:block;font-family:var(--display);font-stretch:112%;font-size:1.02rem;font-weight:600;letter-spacing:-.01em}
.card span{display:block;margin-top:6px;font-size:.9rem;color:var(--ink-2)}
.card.ext b::after{content:" \2197";font-family:var(--mono);font-size:.8rem;color:var(--ink-3)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips a,.chips span{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;padding:6px 10px;border:1px solid var(--line);border-radius:2px;color:var(--ink-2)}
.chips a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.faq details{border-top:1px solid var(--line-soft);padding:14px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-family:var(--display);font-stretch:112%;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin-top:10px;color:var(--ink-2);font-size:.95rem;max-width:62ch}

/* ---------- over mij ---------- */
.portrait{margin:0;border:1px solid var(--line);background:var(--surface);border-radius:2px;box-shadow:var(--shadow);padding:10px}
.portrait img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:1px;filter:saturate(.92)}
.portrait figcaption{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:10px 2px 2px}
.timeline{display:grid;gap:0}
.timeline li{display:grid;grid-template-columns:minmax(118px,.32fr) minmax(0,1fr);gap:clamp(12px,3vw,28px);padding:16px 0;border-top:1px solid var(--line-soft)}
.timeline li:first-child{border-top:1px solid var(--line)}
.timeline .when{font-family:var(--mono);font-size:.76rem;letter-spacing:.04em;color:var(--ink-3);padding-top:.2em}
.timeline h3{font-size:1.02rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.timeline h3 span{font-family:var(--body);font-weight:400;color:var(--ink-3)}
.timeline p{margin-top:5px;color:var(--ink-2);font-size:.94rem;max-width:60ch}
.timeline .group{display:block;padding:22px 0 4px;border-top:0}
.timeline .group:first-child{padding-top:0}
.timeline .group span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--signal)}

.badges{display:flex;flex-wrap:wrap;gap:clamp(14px,3vw,28px);margin:0 0 22px;padding:0;list-style:none}
.badges li{display:flex;flex-direction:column;align-items:center;gap:8px;width:112px;text-align:center}
.badges img{display:block;width:96px;height:96px}
.badges span{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);line-height:1.35}
.badge-inline{display:flex;align-items:center;gap:10px}
.badge-inline img{width:40px;height:40px;flex:0 0 auto}
.clients{display:grid;gap:22px}
.clients .chips{margin-top:10px}

/* ---------- tekstpagina's (privacy, 404, later: over mij e.d.) ---------- */
.page .wrap{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(48px,7vw,88px)}
.prose{max-width:68ch}
.prose h1{font-size:clamp(1.9rem,4.6vw,2.8rem)}
.prose .meta{margin-top:12px}
.prose h2{font-size:clamp(1.15rem,2.2vw,1.35rem);font-weight:600;margin:36px 0 10px}
.prose p,.prose li{color:var(--ink-2)}
.prose p + p{margin-top:12px}
.prose ul{margin:10px 0;padding-left:20px;list-style:square}
.prose li{margin:6px 0}
.prose li::marker{color:var(--signal)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:var(--paper)}
footer .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr);gap:24px;padding-top:28px;padding-bottom:28px}
footer .mono{display:block;margin-bottom:8px}
footer p,footer li{font-size:.85rem;color:var(--ink-2);line-height:1.7}
footer .legal{grid-column:1/-1;border-top:1px solid var(--line-soft);padding-top:16px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:860px){
  .hero .wrap,.field,.thread .inner,.contact .wrap,.pagehero .wrap,.block .wrap{grid-template-columns:minmax(0,1fr)}
  .pagehero .wrap{align-items:start}
  .situations,.cards{grid-template-columns:minmax(0,1fr)}
  .timeline li{grid-template-columns:minmax(0,1fr);gap:4px}
  .portrait{max-width:420px}
  .hero .wrap{align-items:start}
  .principles li{grid-template-columns:minmax(0,1fr);gap:6px}
  .masthead{position:static}
  html{scroll-padding-top:0}
  /* Geen JavaScript op deze site, dus geen uitklapmenu: op smalle schermen
     schuiven de links naar een tweede regel in plaats van te verdwijnen
     (anders zijn de werkveldpagina's op mobiel onvindbaar). */
  .masthead .wrap{flex-wrap:wrap;gap:6px 24px;padding-top:10px;padding-bottom:10px}
  .navlinks{gap:6px 12px}
  .navlinks a{font-size:.7rem;letter-spacing:.04em}
  .navlinks a.cta{padding:5px 9px}
  footer .wrap{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){.brand span{display:none}}
a,.btn{transition:background-color .16s ease,color .16s ease,border-color .16s ease}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}