/* ==========================================================================
   Digitekten — homepage (front-page.php). Values match preview/index.html.
   Sections: hero, Das Problem, So arbeiten wir, Die Führung, logo band, Leistungen, Projekte, CTA.
   ========================================================================== */

/* ---------- page-long coral thread: one overlay per section, joined end to end (paths from home.js) ---------- */
.home>section{position:relative}
.home>section>.wrap{position:relative;z-index:1}
.thread-ov{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:0}
.thread-ov path{fill:none;stroke:var(--coral);stroke-width:2.5;stroke-linecap:butt;stroke-dasharray:1000 2000;stroke-dashoffset:1000}
.thread-ov circle{fill:var(--coral);opacity:0}
/* the hero underline sits in the same overlay, so it has exactly the thread's stroke and joins it tangent-continuous */
.thread-ov #t-u{stroke-linecap:round;stroke-dashoffset:1010;animation:digitek-draw 1.3s 1.05s cubic-bezier(.6,0,.2,1) forwards}
@keyframes digitek-draw{to{stroke-dashoffset:0}}

/* phones: fixed progress thread on the left screen edge (home.js), from section 2 to the end of the page */
.pthread{display:none;position:fixed;top:0;bottom:0;left:max(10px,env(safe-area-inset-left,0px));width:1px;z-index:15;pointer-events:none}
.pthread i{display:block;height:100%;background:var(--coral);transform:scaleY(0);transform-origin:50% 0;will-change:transform}

/* ---------- hero: navy with a slow cobalt glow; the header sits on top of it ---------- */
.hero{margin-top:calc(-1 * var(--hdr));color:var(--ivory);overflow:hidden;
  background:linear-gradient(162deg,var(--navy) 0%,#142057 45%,var(--navy-deep) 100%)}
.hero .wrap{padding-block:calc(72px + var(--hdr)) 110px}
.hero-glow{position:absolute;right:-18vw;top:-26vw;width:72vw;height:72vw;pointer-events:none;z-index:0}
.hero-glow i{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(49,91,255,.42) 0%,rgba(49,91,255,.14) 38%,transparent 66%);
  animation:digitek-drift 22s ease-in-out infinite alternate}
@keyframes digitek-drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-6vw,4vw) scale(1.08)}100%{transform:translate(-2vw,9vw) scale(.96)}}
.hero .k{color:var(--cobalt-light)}
.hero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.14em;margin-bottom:-.14em}
.hero h1 .wi{display:inline-block}
.hero h1{font-size:clamp(40px,6.4vw,84px);line-height:1.02;max-width:12ch;margin-bottom:28px}
.u{position:relative;white-space:nowrap}
.hero p.lead{font-size:18px;color:var(--on-dark);max-width:56ch;margin:0 0 32px}
.hint{font-size:13px;color:var(--on-dark-mute);display:flex;align-items:center;gap:10px;margin:56px 0 0}
.hint span{width:1px;height:36px;background:var(--coral)}

/* ---------- Das Problem: text left, diagram right; pinned while the diagram assembles ---------- */
.problem{background:var(--paper)}
.problem .wrap{min-height:100svh;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center;padding-block:48px}
.problem h2{font-size:clamp(28px,3.4vw,44px);line-height:1.12;margin-bottom:22px}
.problem p{color:var(--graphite);max-width:46ch;margin:0}
.problem .k,.ioana .k{margin:0 0 var(--k-gap)}
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:12px;border-left:1px solid var(--line)}
.steps li{padding-left:18px;font-size:15px;color:var(--mute);transition:color .4s;position:relative}
.steps li::before{content:"";position:absolute;left:-1px;top:4px;bottom:4px;width:2px;background:transparent;transition:background .4s}
.steps li.on{color:var(--night)}
.steps li.on::before{background:var(--coral)}
.stage{min-width:0}
.stage>svg{width:100%;height:auto;max-height:78svh;display:block;overflow:visible}
.node .pill{fill:var(--paper);stroke:var(--night);stroke-width:1}
.node .ico-bg{fill:#E6EBFF}
.node .ico{fill:none;stroke:var(--cobalt);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.node text{font-family:var(--body);text-anchor:start;dominant-baseline:central}
.node .t1{font-size:17px;font-weight:500;fill:var(--night)}
.node .t2{font-size:12.5px;fill:#6B7570}
.chip text{font-family:var(--body);font-size:12px;letter-spacing:.14em;fill:var(--graphite);text-anchor:middle;dominant-baseline:central}
.chip rect{fill:var(--ivory)}
.edge{fill:none;stroke:var(--cobalt);stroke-width:2;stroke-linecap:round}
.thread{fill:none;stroke:var(--coral);stroke-width:2.5;stroke-linecap:round}
.core circle{fill:var(--cobalt)}
.core-owl{color:#FFFDF8}
/* with JS the diagram starts empty (home.js builds it); without JS it is shown complete */
.js .problem .node,.js .problem .chip,.js .problem .core{opacity:0}

/* ---------- So arbeiten wir: three stations on the thread ---------- */
.model{background:var(--ivory)}
.model .wrap{padding-block:120px 150px}
.m-head{max-width:780px;margin-bottom:84px}
.model h2{font-size:clamp(32px,4vw,56px);line-height:1.08}
.steps3{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px}
.step{position:relative;padding-top:44px}
.st{position:absolute;top:-8px;left:0;width:16px;height:16px;border-radius:50%;box-sizing:border-box;background:var(--ivory);border:2px solid var(--coral);transition:background .35s}
.step .num{font-size:12px;letter-spacing:.14em;color:var(--cobalt-text)}
.step h3{font-size:clamp(24px,2.4vw,32px);line-height:1.15;margin:10px 0 12px}
.step p{margin:0;color:var(--graphite);max-width:32ch}
.steps3.spy .step .num{color:var(--mute)}
.steps3.spy .step h3{color:#7A8079;transition:color .45s}
.steps3.spy .step p{color:#7E847D;transition:color .45s}
.steps3.spy .step.on .num{color:var(--cobalt-text)}
.steps3.spy .step.on h3{color:var(--night)}
.steps3.spy .step.on p{color:var(--graphite)}
.step.on .st,.steps3:not(.spy) .st{background:var(--coral)}

/* ---------- Die Führung: navy band, quote left, round portrait right ---------- */
.ioana{color:var(--ivory);background:linear-gradient(180deg,#142057 0%,var(--navy-deep) 100%)}
.ioana .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:64px;align-items:center;padding-block:130px}
.ioana .k{color:var(--cobalt-light)}
.i-quote{margin:0 0 34px}
.i-quote p{font-family:var(--display);font-size:clamp(28px,3.3vw,44px);line-height:1.18;margin:0 0 26px;max-width:21ch;text-wrap:balance}
.i-quote p .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.14em;margin-bottom:-.14em}
.i-quote p .wi{display:inline-block}
.i-quote footer{display:flex;flex-direction:column;gap:4px}
.i-quote footer strong{font-weight:500;font-size:16px;color:var(--ivory)}
.i-quote footer span{font-size:14px;color:var(--on-dark-mute)}
.i-rot{display:flex;align-items:center;gap:14px;margin:0 0 38px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mute)}
.rot{position:relative;display:inline-block;height:1.3em;overflow:hidden;font-family:var(--display);font-size:28px;letter-spacing:0;text-transform:none;color:var(--ivory);min-width:12ch}
.rot span{display:block;line-height:1.3;white-space:nowrap}
.i-link{display:inline-flex;gap:10px;color:var(--ivory);text-decoration:none;font-size:15px;padding-bottom:6px;border-bottom:1px solid var(--coral)}
.i-link:hover{color:var(--cobalt-light)}
.portrait{margin:0;justify-self:center;width:min(460px,100%);aspect-ratio:1;position:relative}
.disc{position:absolute;inset:0;border-radius:50%;background:var(--cobalt);overflow:hidden}
.disc img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- client band: one slow, endless row; pauses on hover ---------- */
.clients{background:#FFFFFF}
.clients .wrap{padding-block:56px;padding-left:0;padding-right:0;max-width:none}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.track{display:flex;width:max-content;animation:digitek-marq 48s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.set{display:flex;align-items:center}
/* logos: transparent WebP, grey and soft until hovered */
.lg-img{display:block;width:auto;max-width:none;margin-right:80px;filter:grayscale(1) contrast(1.15);opacity:.85;transition:filter .35s,opacity .35s}
.lg-img:hover{filter:none;opacity:1}
@keyframes digitek-marq{to{transform:translateX(-50%)}}

/* ---------- Leistungen: sticky intro left, rows right; the row crossing the middle of the screen is "on" ---------- */
.services .wrap{padding-block:120px;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:64px}
.s-sticky{position:sticky;top:calc(var(--hdr) + 56px)}
.services h2{font-size:clamp(30px,3.4vw,46px);line-height:1.1;margin-bottom:22px}
.s-intro{color:var(--graphite);max-width:34ch;margin:0 0 28px}
.s-all,.p-all{display:inline-flex;gap:10px;color:var(--night);text-decoration:none;font-size:15px;padding-bottom:6px;border-bottom:1px solid var(--coral)}
.s-all:hover,.p-all:hover,.plink:hover{color:var(--cobalt-text)}
.rows{display:grid}
.row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px 28px;padding-block:40px;border-top:1px solid var(--line);text-decoration:none;color:inherit}
.row:last-child{border-bottom:1px solid var(--line)}
.row h3,.row p,.row .res{grid-column:1}
.row h3{font-size:clamp(26px,2.8vw,38px);line-height:1.12;transition:color .45s}
.row p{margin:0;color:var(--graphite);font-size:16px;max-width:48ch;transition:color .45s}
.row .res{display:grid;grid-template-rows:1fr;transition:grid-template-rows .5s ease,opacity .5s ease}
.row .res>div{overflow:hidden;padding-top:6px;font-size:15px;color:var(--night)}
.row .res span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt-text);margin-right:12px}
.row .arr{grid-column:2;grid-row:1;align-self:center;font-style:normal;font-size:24px;color:var(--cobalt);transition:transform .3s,color .45s}
.row:hover .arr{transform:translateX(6px)}
.tag{display:inline-block;vertical-align:middle;margin-left:12px;font-family:var(--body);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);border:1px solid var(--line);border-radius:999px;padding:3px 9px}
/* with JS: only the active row is fully lit and shows its result */
.rows.spy .row h3{color:#7A8079}
.rows.spy .row p{color:#7E847D}
.rows.spy .row .arr{color:#9AA097}
.rows.spy .row .res{grid-template-rows:0fr;opacity:0}
.rows.spy .row.on h3{color:var(--night)}
.rows.spy .row.on p{color:var(--graphite)}
.rows.spy .row.on .arr{color:var(--cobalt)}
.rows.spy .row.on .res{grid-template-rows:1fr;opacity:1}

/* ---------- Projekte: cards stack while scrolling (sticky), the one underneath shrinks a little ---------- */
.projects{background:var(--paper)}
.projects .wrap{padding-block:120px 130px}
.p-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px 48px;flex-wrap:wrap;margin-bottom:64px}
.p-head h2{font-size:clamp(32px,4vw,56px);line-height:1.08;max-width:17ch}
.pstack{display:grid;gap:56px}
.pcard{position:sticky;top:calc(var(--hdr) + 28px);display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);min-height:480px;
  background:var(--ivory);border-radius:20px;overflow:hidden;transform-origin:50% 0}
.pcard:nth-child(2){top:calc(var(--hdr) + 48px)}
.pcard:nth-child(3){top:calc(var(--hdr) + 68px)}
.pcard:nth-child(4){top:calc(var(--hdr) + 88px)}
.pcard:nth-child(5){top:calc(var(--hdr) + 108px)}
.pimg{display:block;position:relative;min-height:300px;overflow:hidden;background:linear-gradient(150deg,var(--navy) 0%,var(--navy-deep) 100%)}
/* case-study photo treatment (brief): 1.30:1 crop, ~22% less saturation, a navy/cobalt veil;
   on hover the veil thins and colour comes back */
.pimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--fp,50% 50%);
  filter:saturate(.78) contrast(1.03) brightness(.98);transition:filter .6s ease,transform 1.2s cubic-bezier(.2,.7,.2,1)}
.pimg::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(160deg,rgba(26,42,108,.22) 0%,rgba(49,91,255,.14) 100%);transition:opacity .6s ease}
.pcard:hover .pimg img{filter:saturate(.95) contrast(1.02);transform:scale(1.03)}
.pcard:hover .pimg::after{opacity:.35}
.pbody{padding:44px 44px 40px;display:flex;flex-direction:column;gap:14px;min-width:0}
.ptag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt-text)}
.pclient{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.pcard h3{font-size:clamp(26px,2.6vw,36px);line-height:1.12}
.pcard p{margin:0;color:var(--graphite);max-width:40ch}
.pres{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:baseline;gap:8px 16px;flex-wrap:wrap}
.pres b{font-family:var(--display);font-weight:400;font-size:48px;line-height:1;color:var(--night);font-variant-numeric:tabular-nums}
.pres b.t{font-size:28px;line-height:1.15}
.pres small{font-size:14px;color:var(--graphite)}
.plink{align-self:flex-start;color:var(--night);text-decoration:none;font-size:15px;padding-bottom:5px;border-bottom:1px solid var(--coral)}
.ptesti{margin-top:120px;display:grid;grid-template-columns:minmax(0,2fr) minmax(0,7fr);gap:32px;align-items:start}
.ptesti .qm{font-family:var(--display);font-size:140px;line-height:.75;color:var(--coral)}
.ptesti blockquote{margin:0}
.ptesti blockquote p{font-family:var(--display);font-size:clamp(22px,2.3vw,32px);line-height:1.35;margin:0 0 24px;max-width:36ch}
.ptesti footer strong{display:block;font-weight:500}
.ptesti footer span{font-size:14px;color:var(--mute)}

/* ---------- final CTA ---------- */
.cta{background:var(--navy);color:var(--ivory)}
.cta .wrap{padding-block:96px;display:grid;gap:22px;justify-items:start}
.cta .k{color:var(--cobalt-light);margin:0 0 calc(var(--k-gap) - 22px)}   /* the grid gap (22px) adds the rest */
.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.1;max-width:20ch}
.cta p{color:var(--on-dark);margin:0 0 10px;max-width:50ch}

/* ---------- phones ---------- */
@media (max-width:820px){
  /* the page thread is replaced by the fixed progress thread; only the hero underline stays */
  .thread-ov path:not(#t-u),.thread-ov circle{display:none}
  .pthread{display:block}
  .stage #thread{display:none}
  .problem .wrap{grid-template-columns:minmax(0,1fr);gap:20px;align-content:center;padding-block:24px}
  .problem h2{font-size:26px;margin-bottom:12px}
  .problem p{font-size:15px}
  .steps{display:none}
  .stage>svg{max-height:52svh;margin:0 auto}
  .problem .stage{order:-1}   /* diagram first, text below */
  .st{display:none}
  .model .wrap{padding-block:80px}
  .m-head{margin-bottom:48px}
  .steps3{grid-template-columns:minmax(0,1fr);gap:24px}
  .step{padding-top:22px}   /* stations are hidden on phones, so half the space is enough */
  .ioana .wrap{grid-template-columns:minmax(0,1fr);gap:36px;padding-block:80px 64px}
  .portrait{order:-1;width:min(260px,70vw);justify-self:start}
  .rot{font-size:22px}
  .i-rot{flex-wrap:wrap;gap:6px 14px}
  .lg-img{margin-right:48px;transform:scale(.8)}
  .services .wrap{grid-template-columns:minmax(0,1fr);gap:24px;padding-block:80px}
  .s-sticky{position:static}
  .row{padding-block:28px}
  .rows.spy .row h3{color:var(--night)} .rows.spy .row p{color:var(--graphite)}
  .rows.spy .row .res{grid-template-rows:1fr;opacity:1} .rows.spy .row .arr{color:var(--cobalt)}
  .projects .wrap{padding-block:80px}
  /* same stacking as desktop, tighter offsets and a compact card so each one fits under the header */
  .pcard{top:calc(var(--hdr) + 12px);grid-template-columns:minmax(0,1fr);min-height:0}
  .pcard:nth-child(2){top:calc(var(--hdr) + 22px)}
  .pcard:nth-child(3){top:calc(var(--hdr) + 32px)}
  .pcard:nth-child(4){top:calc(var(--hdr) + 42px)}
  .pcard:nth-child(5){top:calc(var(--hdr) + 52px)}
  .pstack{gap:32px}
  .pimg{min-height:150px}
  .pbody{padding:22px 22px 24px;gap:10px}
  .pcard h3{font-size:24px}
  .pres{padding-top:14px}
  .pres b{font-size:38px}
  .ptesti{grid-template-columns:minmax(0,1fr);margin-top:72px;gap:8px}
  .ptesti .qm{font-size:90px}
}
@media (max-width:820px) and (max-height:700px){
  .pimg{min-height:110px}   /* short phones: the tallest card still fits under the header while stacked */
}

@media (prefers-reduced-motion:reduce){
  .hero-glow i{animation:none}
  .track{animation:none;flex-wrap:wrap;justify-content:center;width:auto}
  .set[aria-hidden]{display:none}
  .set{flex-wrap:wrap;justify-content:center;row-gap:18px}
  .thread-ov #t-u{animation:none;stroke-dashoffset:0}
  .thread-ov path{stroke-dashoffset:0}
  .thread-ov circle{opacity:1}
}