/* COE Ingenieure — Website · Design-Grundlage: Reinzeichnung Master (Locked)
   Anthrazit 60 · Warmweiß 35 · Oxidrot max 5 */

:root{
  --paper:#F4F0E8;--paper-2:#EDE8DE;--ink:#111318;--signal:#C94A2A;
  --graphit:#62626A;--rauch:#B4B4AE;--line:rgba(17,19,24,.16);--line-soft:rgba(17,19,24,.09);
  --sans:"DM Sans",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--serif:"Fraunces",Georgia,serif;
  --pad:clamp(20px,4vw,64px);--maxw:1640px;--gut:clamp(16px,1.8vw,28px);
  --nav-h:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
::selection{background:var(--ink);color:var(--paper)}
img,svg{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--signal)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}

/* ── Raster ─────────────────────────────────────────── */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut)}
.bleed-r{margin-right:calc(var(--pad)*-1)}

/* ── Typo ───────────────────────────────────────────── */
.display{font-weight:500;font-size:clamp(2.9rem,8.6vw,9rem);line-height:.86;letter-spacing:-.045em;text-wrap:balance}
.h2{font-weight:500;font-size:clamp(1.9rem,4.4vw,4rem);line-height:.98;letter-spacing:-.035em;text-wrap:pretty}
.h3{font-weight:500;font-size:clamp(1.3rem,2vw,1.9rem);line-height:1.12;letter-spacing:-.025em}
.lead{font-size:clamp(1.05rem,1.35vw,1.4rem);line-height:1.5;max-width:46ch;color:var(--ink)}
.body{max-width:62ch;color:var(--ink)}
.muted{color:var(--graphit)}
.mono{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase}
.quote{font-family:var(--serif);font-weight:300;font-style:italic;font-size:clamp(1.6rem,3.4vw,3rem);line-height:1.14;letter-spacing:-.02em;text-wrap:balance}
.sig{color:var(--signal)}

/* ── Navigation ─────────────────────────────────────── */
.nav{position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);display:flex;align-items:center;transition:background .35s,border-color .35s}
.nav::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:transparent;transition:background .35s}
.nav.stuck{background:rgba(244,240,232,.92);backdrop-filter:blur(12px)}
.nav.stuck::after{background:var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2vw,34px)}
.nav-links a{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;position:relative;padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{border:1px solid var(--ink);padding:11px 18px}
.nav-cta:hover{background:var(--ink);color:var(--paper)!important;border-color:var(--ink)}
.nav-cta::after{display:none}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center}
.burger span{display:block;width:22px;height:1.5px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:22px;height:1.5px;background:var(--ink)}
.burger span::before{top:-7px}.burger span::after{top:7px}

/* ── Hero ───────────────────────────────────────────── */
.hero{padding-top:calc(var(--nav-h) + clamp(24px,5vw,64px))}
.hero-grid{align-items:stretch;min-height:min(88vh,880px)}
.hero-copy{grid-column:1/span 5;display:flex;flex-direction:column;justify-content:space-between;padding-bottom:clamp(24px,4vw,56px);container-type:inline-size}
/* Überschrift folgt der Spaltenbreite, nicht dem Viewport — sonst läuft sie über */
.hero .display{font-size:clamp(2.9rem,15.5cqw,9rem)}
.hero-kicker{display:flex;align-items:center;gap:12px;color:var(--graphit)}
.hero-kicker::before{content:"";width:34px;height:1px;background:var(--signal)}
.hero h1{margin:clamp(20px,3vw,38px) 0 0}
.hero .lead{margin-top:clamp(20px,2.4vw,32px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(28px,3.4vw,44px)}
.hero-media{grid-column:6/span 7;position:relative;min-height:clamp(320px,54vw,880px)}
.hero-media .frame{position:absolute;inset:0}
.hero-tag{position:absolute;left:0;bottom:0;background:var(--paper);padding:14px 20px 0 0;color:var(--graphit);z-index:2}

.btn{display:inline-flex;align-items:center;white-space:nowrap;gap:12px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding:16px 26px;border:1px solid var(--ink);transition:background .28s,color .28s}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn .ar{transition:transform .28s}
.btn:hover .ar{transform:translateX(5px)}
.btn-fill{background:var(--ink);color:var(--paper)}
.btn-fill:hover{background:var(--signal);border-color:var(--signal);color:var(--paper)}

/* ── Faktenband ─────────────────────────────────────── */
.facts{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);margin-top:clamp(32px,4vw,60px)}
.facts-in{display:flex;flex-wrap:wrap;gap:0}
.fact{flex:1 1 200px;padding:22px 0;border-left:1px solid var(--line-soft);padding-left:22px}
.fact:first-child{border-left:0;padding-left:0}
.fact dt{color:var(--graphit);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase}
.fact dd{margin-top:7px;font-size:15px;font-weight:500;letter-spacing:-.01em}

/* ── Sektionen ──────────────────────────────────────── */
.sec{padding:clamp(72px,10vw,168px) 0}
.sec-head{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:start;padding-bottom:clamp(24px,3vw,40px);border-bottom:1px solid var(--ink)}
.sec-num{grid-column:1/span 2;color:var(--signal);padding-top:.55em}
.sec-title{grid-column:3/span 7}
.sec-aside{grid-column:10/span 3;color:var(--graphit);font-size:14.5px;line-height:1.55;align-self:end}
.dark{background:var(--ink);color:var(--paper)}
.dark a{color:var(--paper)}
.dark .muted{color:var(--rauch)}
.dark .sec-head{border-color:rgba(244,240,232,.28)}
.dark .btn{border-color:var(--paper)}
.dark .btn:hover{background:var(--paper);color:var(--ink)}

/* ── Projekte ───────────────────────────────────────── */
.prj{padding-top:clamp(40px,6vw,96px)}
.prj-media{position:relative;min-height:clamp(260px,42vw,700px)}
.prj-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.prj-media.has-img{align-self:start;min-height:0;position:static}
.frame.has-img .prj-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 42%}
.prj-media.has-img .prj-img{position:static;width:100%;height:auto}
.prj-lead .prj-media{grid-column:1/span 12;min-height:clamp(300px,52vw,820px)}
.prj-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-top:26px}
.prj-idx{color:var(--signal);font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em}
.prj-name{font-weight:500;font-size:clamp(1.6rem,3.4vw,3.1rem);line-height:1;letter-spacing:-.035em}
.prj-loc{color:var(--graphit);font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase}
.prj-body{margin-top:clamp(20px,2.6vw,34px)}
.beats{display:grid;gap:18px}
.beat{display:grid;grid-template-columns:132px 1fr;gap:18px;padding-top:14px;border-top:1px solid var(--line-soft)}
.beat dt{color:var(--graphit);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding-top:3px}
.beat dd p{margin:0}
.beat dd p+p{margin-top:10px}
.beat dd{font-size:15.5px;line-height:1.55;max-width:56ch}
.data{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 var(--gut)}
.data div{padding:13px 0;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 14px}
.data dt{color:var(--graphit);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.16em;text-transform:uppercase}
.data dd{font-family:var(--mono);font-size:12.5px;font-weight:500;text-align:right;margin-left:auto;min-width:0;overflow-wrap:anywhere}
.more{margin-top:22px;display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--graphit);border-bottom:1px solid var(--line);padding-bottom:5px}
.more:hover{color:var(--signal);border-color:var(--signal)}
.more .pm{color:var(--signal)}
.fold{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.22,1,.36,1),opacity .4s;opacity:0}
.fold>div{overflow:hidden}
.prj.open .fold{grid-template-rows:1fr;opacity:1}

/* ── Denkweise ──────────────────────────────────────── */
/* Projekt-Spalten */
.prj-lead .prj-tx{grid-column:1/span 6}
.prj-lead .prj-data{grid-column:8/span 5}
.prj-row .prj-media{grid-column:1/span 7}
.prj-row .prj-tx{grid-column:9/span 4}
.prj-row.rev .prj-media{grid-column:6/span 7;order:2}
.prj-row.rev .prj-tx{grid-column:1/span 4;order:1}
.prj-row .data{grid-template-columns:minmax(0,1fr)}
.plan-bg{position:relative}
.plan-bg::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(120% 80% at 70% 20%,#000 0%,transparent 72%)}
.persp{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gut);margin-top:clamp(36px,5vw,72px)}
.persp>div{border-top:2px solid var(--ink);padding-top:22px}
.persp .k{color:var(--signal);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.2em}
.persp h3{margin:14px 0 12px;font-weight:500;font-size:clamp(1.15rem,1.7vw,1.6rem);letter-spacing:-.02em;line-height:1.1}
.persp p{font-size:15px;line-height:1.55;color:var(--graphit)}
.leit{margin-top:clamp(48px,7vw,110px);display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut)}
.leit .q{grid-column:3/span 8}

/* ── Expertise ──────────────────────────────────────── */
.exp{margin-top:clamp(24px,3vw,44px)}
.exp-row{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:start;padding:clamp(26px,3.4vw,46px) 0;border-bottom:1px solid var(--line);position:relative;transition:padding-left .4s}
.exp-row:hover{padding-left:14px}
.exp-row .no{grid-column:1/span 1;color:var(--graphit);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.16em;padding-top:10px}
.exp-row .nm{grid-column:2/span 4}
.exp-row .nm b{display:block;font-weight:500;font-size:clamp(1.7rem,3.6vw,3.2rem);line-height:.96;letter-spacing:-.04em}
.exp-row .nm i{display:block;font-style:normal;margin-top:10px;color:var(--graphit);font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase}
.exp-row .tx{grid-column:6/span 4;font-size:15.5px;line-height:1.55;color:var(--ink)}
.exp-row .ls{grid-column:10/span 3;display:flex;flex-direction:column;gap:7px}
.exp-row .ls span{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--graphit)}
.exp-row:hover .nm b{color:var(--signal)}

/* ── Haltung (dunkel) ───────────────────────────────── */
.aud{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(30px,4vw,52px)}
.aud span{display:inline-block;border:1px solid rgba(244,240,232,.3);padding:11px 17px;font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;line-height:1.3}

/* ── Potenzial-Check ────────────────────────────────── */
.chk{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);margin-top:clamp(30px,4vw,56px)}
.chk-info{grid-column:1/span 4}
.chk-form{grid-column:6/span 7}
.steps{margin-top:30px;display:grid;gap:0}
.steps div{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line-soft)}
.steps b{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--signal);letter-spacing:.12em}
.steps p{font-size:14.5px;line-height:1.5;color:var(--graphit)}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 var(--gut)}
.f{position:relative;padding:20px 0 12px;border-bottom:1px solid var(--line)}
.f.full{grid-column:1/-1}
.f label{display:block;color:var(--graphit);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;margin-bottom:9px}
.f input,.f select,.f textarea{width:100%;background:none;border:0;outline:none;font-size:16px;letter-spacing:-.01em;padding:2px 0}
.f textarea{resize:vertical;min-height:74px;line-height:1.5}
.f input::placeholder,.f textarea::placeholder{color:var(--rauch)}
.f:focus-within{border-color:var(--signal)}
.f select{appearance:none;cursor:pointer}
.f .chev{position:absolute;right:2px;bottom:18px;color:var(--graphit);font-family:var(--mono);font-size:11px;pointer-events:none}
.drop{grid-column:1/-1;margin-top:24px;border:1px dashed var(--line);padding:24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;transition:border-color .3s,background .3s}
.drop:hover{border-color:var(--signal);background:rgba(201,74,42,.03)}
.drop p{font-size:14.5px;color:var(--graphit)}
.drop .mono{color:var(--ink)}
.f-foot{grid-column:1/-1;margin-top:30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.f-foot small{color:var(--graphit);font-size:12.5px;max-width:40ch;line-height:1.5}

/* ── COE / Team ─────────────────────────────────────── */
.about{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:start}
.about .tx{grid-column:1/span 6}
.about .im{grid-column:8/span 5;position:relative;min-height:clamp(280px,38vw,560px)}
.mark-wm{position:absolute;right:0;top:-8%;width:min(30%,260px);opacity:.1;pointer-events:none}
.team{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gut);margin-top:clamp(40px,5vw,80px)}
.team figure{position:relative}
.team .ph{position:relative;aspect-ratio:4/5;min-height:clamp(240px,26vw,400px)}
.team .ph-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 18%;display:block}
.team figcaption{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.team figcaption b{display:block;font-weight:500;font-size:19px;letter-spacing:-.02em}
.team figcaption span{display:block;margin-top:6px;color:var(--graphit);font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase}

/* ── Insights ───────────────────────────────────────── */
.ins a{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:baseline;padding:clamp(22px,2.8vw,36px) 0;border-bottom:1px solid var(--line);transition:padding-left .4s}
.ins a:hover{padding-left:14px}
.ins .dt{grid-column:1/span 2;color:var(--graphit);font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.14em}
.ins .cat{grid-column:3/span 2;color:var(--signal);font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase}
.ins .ti{grid-column:5/span 6;font-weight:500;font-size:clamp(1.05rem,1.7vw,1.55rem);line-height:1.16;letter-spacing:-.025em}
.ins .ar{grid-column:12/span 1;text-align:right;font-family:var(--mono);font-size:13px;color:var(--graphit);transition:transform .3s}
.ins a:hover .ar{transform:translateX(5px);color:var(--signal)}

/* ── Kontakt / Footer ───────────────────────────────── */
.kon{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:end}
.kon .st{grid-column:1/span 7}
.kon .ad{grid-column:9/span 4;display:grid;gap:22px}
.kon .ad div{padding-top:14px;border-top:1px solid rgba(244,240,232,.28)}
.kon .ad dt{color:var(--rauch);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;margin-bottom:7px}
.kon .ad dd{font-size:16px;line-height:1.5}
.foot{border-top:1px solid rgba(244,240,232,.28);margin-top:clamp(56px,8vw,120px);padding-top:34px;display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.foot img{height:44px;width:auto}
.foot .lk{display:flex;gap:26px;flex-wrap:wrap}
.foot .lk a,.foot .cp{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--rauch)}
.foot .lk a:hover{color:var(--paper)}
.foot .soc{display:flex;gap:16px;align-items:center}
.foot .soc a{color:var(--rauch);display:grid;place-items:center;width:34px;height:34px;border:1px solid rgba(244,240,232,.24);transition:color .25s,border-color .25s}
.foot .soc a svg{width:15px;height:15px;display:block}
.foot .soc a:hover{color:var(--paper);border-color:var(--paper)}

.ph-empty{background:var(--paper-2)}

/* ── Reveal ─────────────────────────────────────────── */
/* Reveal — Transition ausschließlich auf .in, damit keine dauerhaften
   Kompositionsebenen über das gesamte Dokument bestehen bleiben */
.rv{opacity:0;transform:translateY(22px)}
.rv.in{opacity:1;transform:none;transition:opacity .85s cubic-bezier(.22,1,.36,1),transform .85s cubic-bezier(.22,1,.36,1)}
.rv-m{position:relative;overflow:hidden;opacity:0}
.rv-m.in,.rv-m.done{opacity:1}
.rv-m.in{transition:opacity 1.05s cubic-bezier(.22,1,.36,1)}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.rv-m{opacity:1}}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width:1180px){
  .nav-links{gap:clamp(12px,1.5vw,22px)}
  .nav-links a{font-size:10px;letter-spacing:.14em}
  .nav-cta{padding:10px 14px}
  .prj-row .prj-media{grid-column:1/span 6}
  .prj-row .prj-tx{grid-column:7/span 6}
  .prj-row.rev .prj-media{grid-column:7/span 6}
  .prj-row.rev .prj-tx{grid-column:1/span 6}
  .data{grid-template-columns:minmax(0,1fr)}
  .prj-lead .prj-tx{grid-column:1/span 7}
  .prj-lead .prj-data{grid-column:9/span 4}
  /* Headline aus der Spaltenbreite statt aus der Viewport-Breite ableiten */
  .hero h1{font-size:clamp(2.4rem,5.2vw,4.4rem)}
  .hero .lead{font-size:1.05rem}
}
@media (max-width:1080px){
  .sec-aside{grid-column:1/span 12;margin-top:18px}
  .sec-title{grid-column:3/span 10}
  .exp-row .nm{grid-column:2/span 11}
  .exp-row .tx{grid-column:2/span 6;margin-top:18px}
  .exp-row .ls{grid-column:9/span 4;margin-top:18px}
  .about .tx{grid-column:1/span 12}
  .about .im{grid-column:1/span 12;margin-top:32px}
  .chk-info,.chk-form{grid-column:1/span 12}
  .chk-form{margin-top:40px}
  .kon .st,.kon .ad{grid-column:1/span 12}
  .kon .ad{margin-top:36px}
}
@media (max-width:860px){
  body{font-size:16px}
  .nav-links{position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;align-items:flex-start;gap:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:8px var(--pad) 22px;transform:translateY(-130%);transition:transform .45s cubic-bezier(.22,1,.36,1)}
  .nav-links.open{transform:none}
  .nav-links a{width:100%;padding:15px 0;border-top:1px solid var(--line-soft);font-size:12px}
  .nav-cta{border:1px solid var(--ink);text-align:center;margin-top:16px;padding:15px}
  .burger{display:flex}
  .hero-copy,.hero-media{grid-column:1/span 12}
  .hero-media{margin-top:36px;min-height:62vw}
  .persp{grid-template-columns:1fr}
  .persp>div+div{margin-top:8px}
  .leit .q{grid-column:1/span 12}
  .exp-row .no{grid-column:1/span 12;padding-top:0}
  .exp-row .nm,.exp-row .tx,.exp-row .ls{grid-column:1/span 12}
  .f-grid{grid-template-columns:1fr}
  .team{grid-template-columns:1fr}
  .beat{grid-template-columns:1fr;gap:8px}
  .data{grid-template-columns:minmax(0,1fr)}
  .prj-lead .prj-tx,.prj-lead .prj-data,.prj-row .prj-media,.prj-row .prj-tx,.prj-row.rev .prj-media,.prj-row.rev .prj-tx{grid-column:1/span 12}
  .prj-row.rev .prj-media,.prj-row.rev .prj-tx{order:0}
  .prj-lead .prj-data,.prj-row .prj-tx{margin-top:30px}
  .ins .dt,.ins .cat{grid-column:1/span 6}
  .ins .cat{text-align:right}
  .ins .ti{grid-column:1/span 11;margin-top:10px}
  .ins .ar{grid-column:12/span 1}
  .fact{flex:1 1 46%;border-left:0;padding-left:0}
}