/* ============================================================
   innovative Development GmbH — Stylesheet
   Brand: periwinkle blue + charcoal (IT) × warm spectrum (Kreativ)
   ============================================================ */

:root{
  /* IT / brand */
  --blue:        #6E92CB;
  --blue-light:  #8AA9D8;
  --blue-soft:   #A9C1E4;
  --blue-deep:   #3B5486;
  --blue-ink:    #26344f;

  /* charcoal / neutrals */
  --ink:   #2C2E33;
  --ink-2: #55585F;
  --ink-3: #8A8D94;
  --line:  #E6E9EF;
  --bg:      #FFFFFF;
  --bg-tint: #F4F6FA;
  --bg-dark: #21232A;
  --bg-dark2:#191B21;

  /* Kreativ spectrum */
  --cr-1: #6E5AF0;   /* violet */
  --cr-2: #D24C92;   /* magenta */
  --cr-3: #F5A24B;   /* amber */

  --grad-it: linear-gradient(120deg, var(--blue-deep), var(--blue));
  --grad-cr: linear-gradient(120deg, var(--cr-1), var(--cr-2) 55%, var(--cr-3));

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -20px rgba(30,40,70,.35);
  --shadow-lg: 0 30px 70px -25px rgba(30,40,70,.45);
  --maxw: 1180px;
  --ease: cubic-bezier(.2,.7,.2,1);

  --font-head: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ---------- base ---------- */
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; scroll-padding-top:92px; }
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-head); line-height:1.1; font-weight:700; letter-spacing:-.02em; color:var(--ink); }

.container{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:clamp(1.1rem,4vw,2.5rem); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem; font-family:var(--font-head); font-weight:600; font-size:1rem;
  padding:.85rem 1.6rem; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s;
}
.btn-sm{ padding:.55rem 1.15rem; font-size:.92rem; }
.btn-primary{ background:var(--ink); color:#fff; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow); background:var(--blue-deep); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.6); }
.btn-ghost:hover{ background:rgba(255,255,255,.14); transform:translateY(-2px); }

/* ---------- eyebrow / headings ---------- */
.eyebrow{
  display:inline-block; font-family:var(--font-head); font-weight:600;
  font-size:.78rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--blue-soft); margin-bottom:1rem;
}
.eyebrow-dark{ color:var(--blue-deep); }

.section{ padding:clamp(4rem,9vw,8rem) 0; }
.section-head{ max-width:720px; margin:0 auto clamp(2.5rem,5vw,4rem); text-align:center; }
.section-head h2{ font-size:clamp(1.9rem,4.5vw,3rem); }
.section-lead{ color:var(--ink-2); font-size:1.12rem; margin-top:1rem; }
.section-lead.light{ color:rgba(255,255,255,.75); }
h2{ font-size:clamp(1.8rem,4vw,2.8rem); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  backdrop-filter:saturate(1.4) blur(10px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid transparent;
  transition:background .3s, border-color .3s, box-shadow .3s;
}
.site-header.scrolled{ border-color:var(--line); box-shadow:0 6px 24px -18px rgba(0,0,0,.4); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand-logo{ height:38px; width:auto; }
.nav{ display:flex; align-items:center; gap:2rem; }
.nav a{ font-family:var(--font-head); font-weight:500; font-size:.98rem; color:var(--ink-2); transition:color .2s; }
.nav a:hover{ color:var(--ink); }
.nav a.btn-primary{ color:#fff; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.3s; }

/* ============================================================
   HERO — split screen (IT × Kreativ)
   ============================================================ */
.hero{ position:relative; min-height:100svh; overflow:hidden; }
.hero-split{ position:absolute; inset:0; display:flex; z-index:1; }
.hero-half{ flex:1; position:relative; display:flex; align-items:flex-end; overflow:hidden; }
.hero-half::before{ content:""; position:absolute; inset:0; z-index:1; }

.hero-it{
  background:#1c2740 url('../img/it-circuit.jpg') center/cover no-repeat;
}
.hero-it::before{
  background:linear-gradient(135deg, rgba(28,42,74,.86), rgba(59,84,134,.80) 60%, rgba(110,146,203,.62));
}
.hero-creative{
  background:#2a1436 url('../img/cr-anim.jpg') center/cover no-repeat;
}
.hero-creative::before{
  background:linear-gradient(225deg, rgba(110,90,240,.70), rgba(210,76,146,.68) 55%, rgba(245,162,75,.55));
}
.hero-half-inner{ position:relative; z-index:2; padding:clamp(1.5rem,4vw,3rem); max-width:50%; }
.hero-creative .hero-half-inner{ margin-left:auto; text-align:right; }
.hero-half .eyebrow{ color:rgba(255,255,255,.85); margin-bottom:.6rem; }
.hero-tags{ list-style:none; display:flex; flex-wrap:wrap; gap:.5rem; }
.hero-creative .hero-tags{ justify-content:flex-end; }
.hero-tags li{
  font-family:var(--font-head); font-weight:600; font-size:.9rem; color:#fff;
  padding:.35rem .85rem; border:1px solid rgba(255,255,255,.45); border-radius:999px;
  background:rgba(255,255,255,.10); backdrop-filter:blur(3px);
}
.hero-half-text{ color:rgba(255,255,255,.85); font-size:.98rem; margin-top:.9rem; max-width:34ch; }
.hero-creative .hero-half-text{ margin-left:auto; }

/* centre overlay */
.hero-center{
  position:relative; z-index:3; min-height:100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:6rem 1rem; pointer-events:none;
}
.hero-center .container{ display:flex; flex-direction:column; align-items:center; }
.hero-center a{ pointer-events:auto; }
.hero-puzzle{ margin-bottom:1.4rem; opacity:.88; filter:drop-shadow(0 8px 18px rgba(0,0,0,.28)); }
.hero-puzzle .pz{ transition:transform .8s var(--ease); }
.pz-it{ fill:rgba(169,193,228,.92); }
.pz-cr{ fill:rgba(232,143,181,.85); }

.hero-title{
  color:#fff; font-size:clamp(2.3rem,6vw,4.6rem); font-weight:800; max-width:16ch;
  text-shadow:0 6px 30px rgba(0,0,0,.45);
}
.grad-it{ color:var(--blue-soft); }
.grad-cr{
  background:linear-gradient(100deg,#f7b36b,#ec6fa6 60%,#a58cff);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  color:rgba(255,255,255,.9); font-size:clamp(1rem,2vw,1.22rem);
  max-width:52ch; margin:1.4rem auto 0; text-shadow:0 2px 16px rgba(0,0,0,.5);
}
.hero-sub strong{ color:#fff; }
.hero-cta{ display:flex; gap:1rem; flex-wrap:wrap; justify-content:center; margin-top:2.2rem; pointer-events:auto; }

/* scroll hint */
.scroll-hint{ position:absolute; left:50%; bottom:26px; transform:translateX(-50%); z-index:4; width:26px; height:42px; border:2px solid rgba(255,255,255,.6); border-radius:14px; }
.scroll-hint span{ position:absolute; left:50%; top:8px; width:4px; height:8px; background:#fff; border-radius:2px; transform:translateX(-50%); animation:scrolldot 1.8s infinite; }
@keyframes scrolldot{ 0%{opacity:0;transform:translate(-50%,0)} 30%{opacity:1} 60%{opacity:1;transform:translate(-50%,12px)} 100%{opacity:0;transform:translate(-50%,12px)} }

/* ============================================================
   LEISTUNGEN
   ============================================================ */
.duo{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(1.5rem,4vw,3rem); }
.duo-col-head{ margin-bottom:1.6rem; padding-bottom:1rem; border-bottom:2px solid var(--line); }
.duo-col-head h3{ font-size:1.5rem; }
.duo-col-head p{ font-family:var(--font-head); font-weight:500; font-size:.95rem; letter-spacing:.02em; margin-top:.25rem; }
.duo-it .duo-col-head h3{ color:var(--blue-deep); }
.duo-it .duo-col-head p{ color:var(--blue); }
.duo-it .duo-col-head{ border-color:var(--blue-soft); }
.duo-cr .duo-col-head h3{ background:var(--grad-cr); -webkit-background-clip:text; background-clip:text; color:transparent; }
.duo-cr .duo-col-head p{ color:var(--cr-2); }
.duo-cr .duo-col-head{ border-image:var(--grad-cr) 1; }

.cards{ display:flex; flex-direction:column; gap:1.2rem; }
.card{
  background:var(--bg); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.card-media{ height:160px; background-size:cover; background-position:center; position:relative; }
.card-media::after{ content:""; position:absolute; inset:0; mix-blend-mode:multiply; opacity:.55; transition:opacity .35s; }
.duo-it .card-media::after{ background:linear-gradient(135deg,var(--blue-deep),var(--blue)); }
.duo-cr .card-media::after{ background:var(--grad-cr); }
.card:hover .card-media::after{ opacity:.28; }
.card-body{ padding:1.3rem 1.4rem 1.5rem; }
.card-body h4{ font-family:var(--font-head); font-size:1.15rem; font-weight:700; margin-bottom:.5rem; }
.card-body p{ color:var(--ink-2); font-size:.96rem; }

/* ============================================================
   SCHNITTMENGE (dark)
   ============================================================ */
.section-dark{ background:radial-gradient(1200px 600px at 20% -10%, #2b3348, var(--bg-dark) 55%) , var(--bg-dark); color:#fff; }
.section-dark h2{ color:#fff; }
.schnitt{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4rem); align-items:center; }
.schnitt-text h2{ font-size:clamp(1.8rem,4vw,2.7rem); }
.schnitt-text p{ color:rgba(255,255,255,.78); font-size:1.08rem; margin-top:1.1rem; }
.schnitt-text em{ color:var(--blue-soft); font-style:normal; font-weight:600; }
.check-list{ list-style:none; margin-top:1.6rem; display:flex; flex-direction:column; gap:.85rem; }
.check-list li{ position:relative; padding-left:2rem; color:rgba(255,255,255,.85); }
.check-list li::before{
  content:""; position:absolute; left:0; top:.35em; width:18px; height:18px; border-radius:50%;
  background:var(--grad-cr);
}
.check-list li::after{ content:"✓"; position:absolute; left:4px; top:.15em; font-size:.8rem; color:#fff; font-weight:700; }

.schnitt-visual{ display:flex; justify-content:center; }
.puzzle-big{ width:min(100%,360px); overflow:visible; opacity:.94; }
.big-pz{ transition:transform 1s var(--ease); }
.big-it{ fill:var(--blue); filter:drop-shadow(0 14px 22px rgba(0,0,0,.25)); }
.big-cr{ fill:url(#crgrad); filter:drop-shadow(0 14px 22px rgba(0,0,0,.2)); }
.schnitt-visual.pull .big-it{ transform:translateX(-26px); }
.schnitt-visual.pull .big-cr{ transform:translateX(26px); }
.pz-label{ font-family:var(--font-head); font-weight:700; fill:#fff; font-size:22px; text-anchor:middle; opacity:.92; }

/* ============================================================
   REFERENZEN
   ============================================================ */
.ref-cat{ font-size:1.15rem; color:var(--blue-deep); margin:0 0 1.1rem; display:flex; align-items:center; gap:.7rem; }
.ref-cat::after{ content:""; flex:1; height:2px; background:var(--line); }
.ref-cat-cr{ margin-top:3rem; background:var(--grad-cr); -webkit-background-clip:text; background-clip:text; color:transparent; }
.ref-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; }
.ref-card{
  display:flex; flex-direction:column; gap:.35rem; padding:1.4rem 1.5rem;
  background:var(--bg-tint); border:1px solid var(--line); border-radius:var(--radius-sm);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.ref-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--blue-soft); }
.ref-org{ font-family:var(--font-head); font-weight:700; font-size:1.1rem; color:var(--ink); }
.ref-role{ color:var(--ink-2); font-size:.94rem; }
.ref-link{ color:var(--blue-deep); font-weight:600; font-size:.9rem; margin-top:.3rem; }
.ref-grid-cr{ grid-template-columns:1fr 1fr; }
.ref-card-feature{ background:linear-gradient(135deg,#fff,#faf4f8); border-color:#f0d9e6; }
.ref-card-feature:hover{ border-color:var(--cr-2); }

/* ============================================================
   ÜBER MICH
   ============================================================ */
.section-tint{ background:var(--bg-tint); }
.about{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.about-photo{ position:relative; }
.about-photo img{ width:100%; border-radius:var(--radius); box-shadow:var(--shadow-lg); }
.about-photo::before{
  content:""; position:absolute; inset:-14px -14px 20px 20px; z-index:-1;
  border-radius:var(--radius); background:var(--grad-it); opacity:.25;
}
.about-badge{
  position:absolute; right:-18px; bottom:-18px; width:74px; height:74px; border-radius:50%;
  display:grid; place-items:center; font-family:var(--font-head); font-weight:800; font-size:1.6rem;
  color:#fff; background:var(--ink); border:4px solid var(--bg-tint);
  box-shadow:var(--shadow);
}

/* two portraits: IT vs. Kreativität */
.about-duo{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.about-duo::before{ display:none; }
.about-duo .portrait{ position:relative; margin:0; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-lg); }
.about-duo .portrait img{ width:100%; aspect-ratio:1/1; object-fit:cover; display:block; border-radius:0; box-shadow:none; }
.about-duo .portrait::after{ content:""; position:absolute; inset:0; mix-blend-mode:multiply; opacity:.30; transition:opacity .4s var(--ease); pointer-events:none; }
.about-duo .portrait:hover::after{ opacity:.12; }
.portrait-it::after{ background:linear-gradient(160deg,var(--blue-deep),var(--blue)); }
.portrait-cr::after{ background:var(--grad-cr); }
.about-duo figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:1.4rem .7rem .7rem;
  font-family:var(--font-head); font-weight:600; font-size:.8rem; letter-spacing:.04em;
  color:#fff; text-align:center;
  background:linear-gradient(to top, rgba(0,0,0,.6), transparent);
}
.about-duo .about-badge{ right:auto; bottom:auto; left:50%; top:50%; transform:translate(-50%,-50%); border-color:#fff; }
.about-role{ font-family:var(--font-head); font-weight:600; color:var(--blue-deep); margin:.4rem 0 1.2rem; }
.about-text p{ color:var(--ink-2); margin-bottom:1rem; }
.about-text a{ color:var(--blue-deep); font-weight:600; border-bottom:1px solid var(--blue-soft); }
.stat-row{ list-style:none; display:flex; gap:2.5rem; margin:1.6rem 0; flex-wrap:wrap; }
.stat-row li{ display:flex; flex-direction:column; }
.stat-row strong{ font-family:var(--font-head); font-size:1.8rem; color:var(--ink); line-height:1; }
.stat-row span{ font-size:.88rem; color:var(--ink-3); margin-top:.3rem; }
.about-links{ display:flex; gap:1.4rem; }
.about-links a{ font-family:var(--font-head); font-weight:600; color:var(--ink); border:0; }
.about-links a:hover{ color:var(--blue-deep); }

/* ============================================================
   KONTAKT
   ============================================================ */
.contact-head{ text-align:center; max-width:640px; margin:0 auto 3rem; }
.contact-head h2{ color:#fff; }
.contact-grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:clamp(2rem,5vw,4rem); align-items:start; }
.contact-form{ display:flex; flex-direction:column; gap:1.1rem; }
.field{ display:flex; flex-direction:column; gap:.4rem; }
.field label{ font-family:var(--font-head); font-weight:500; font-size:.9rem; color:rgba(255,255,255,.8); }
.field input, .field textarea{
  font-family:var(--font-body); font-size:1rem; color:#fff;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-sm); padding:.8rem 1rem; resize:vertical;
  transition:border-color .25s, background .25s;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--blue-light); background:rgba(255,255,255,.1); }
.contact-form .btn{ align-self:flex-start; margin-top:.4rem; background:#fff; color:var(--ink); }
.contact-form .btn:hover{ background:var(--blue-light); color:#fff; }
.form-hint{ font-size:.85rem; color:rgba(255,255,255,.6); margin-top:.3rem; }
.form-hint a{ color:var(--blue-soft); border-bottom:1px solid rgba(169,193,228,.4); }

.contact-info{ display:flex; flex-direction:column; gap:1rem; }
.ci-item{ display:flex; flex-direction:column; gap:.2rem; padding:1.2rem 1.3rem; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-sm); transition:border-color .25s, transform .25s; }
a.ci-item:hover{ border-color:var(--blue-light); transform:translateY(-3px); }
.ci-label{ font-family:var(--font-head); font-size:.78rem; letter-spacing:.15em; text-transform:uppercase; color:var(--blue-soft); }
.ci-value{ color:#fff; font-weight:500; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--bg-dark2); color:rgba(255,255,255,.7); padding:3rem 0; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:1.4rem; text-align:center; }
.footer-logo{ height:52px; width:auto; }
.footer-nav{ display:flex; gap:1.8rem; flex-wrap:wrap; justify-content:center; }
.footer-nav a{ font-family:var(--font-head); font-weight:500; font-size:.95rem; color:rgba(255,255,255,.75); transition:color .2s; }
.footer-nav a:hover{ color:#fff; }
.footer-legal{ font-size:.85rem; color:rgba(255,255,255,.45); }

/* ============================================================
   LEGAL PAGES (Impressum / Datenschutz)
   ============================================================ */
.legal-page{ padding-top:96px; }
.legal{ max-width:820px; margin-inline:auto; padding-block:clamp(2.5rem,6vw,4.5rem); }
.legal h1{ font-size:clamp(2rem,5vw,2.9rem); margin-bottom:1.6rem; }
.legal h2{ font-size:1.1rem; margin:2.1rem 0 .5rem; color:var(--blue-deep); }
.legal p{ color:var(--ink-2); margin-bottom:.35rem; }
.legal a{ color:var(--blue-deep); border-bottom:1px solid var(--blue-soft); }
.legal .muted{ color:var(--ink-3); font-size:.9rem; margin-top:2.5rem; }
.todo{ background:#FFF3CF; color:#8a6400; padding:.05em .45em; border-radius:5px; font-weight:600; white-space:nowrap; }
.legal-note{
  background:var(--bg-tint); border:1px solid var(--line); border-left:4px solid var(--blue);
  border-radius:12px; padding:1.1rem 1.3rem; margin-bottom:2.5rem; color:var(--ink-2); font-size:.94rem;
}
.legal-note strong{ color:var(--ink); }
.back-link{ display:inline-block; margin-top:2.5rem; font-family:var(--font-head); font-weight:600; color:var(--ink-2); border:0; }
.back-link:hover{ color:var(--blue-deep); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in{ opacity:1; transform:none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:860px){
  .nav{
    position:fixed; inset:72px 0 auto 0; flex-direction:column; gap:0;
    background:rgba(255,255,255,.98); border-bottom:1px solid var(--line);
    padding:1rem 1.5rem 1.5rem; transform:translateY(-120%); transition:transform .35s var(--ease);
    box-shadow:var(--shadow);
  }
  .nav.open{ transform:none; }
  .nav a{ padding:.85rem 0; width:100%; border-bottom:1px solid var(--line); }
  .nav a.btn-primary{ margin-top:.8rem; border:0; justify-content:center; }
  .nav-toggle{ display:flex; }
  .nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  /* hero stacks: IT top, Kreativ bottom */
  .hero-split{ flex-direction:column; }
  .hero-half{ align-items:center; }
  .hero-it{ align-items:flex-start; }
  .hero-creative{ align-items:flex-end; }
  .hero-half-inner{ max-width:100%; width:100%; text-align:center; padding:1.3rem; }
  .hero-creative .hero-half-inner{ text-align:center; margin:0; }
  .hero-tags, .hero-creative .hero-tags{ justify-content:center; }
  .hero-half-text, .hero-creative .hero-half-text{ margin-inline:auto; }

  .duo{ grid-template-columns:1fr; }
  .schnitt{ grid-template-columns:1fr; }
  .schnitt-visual{ order:-1; }
  .ref-grid{ grid-template-columns:1fr 1fr; }
  .ref-grid-cr{ grid-template-columns:1fr; }
  .about{ grid-template-columns:1fr; }
  .about-photo{ max-width:360px; margin:0 auto; }
  .contact-grid{ grid-template-columns:1fr; }
}
@media (max-width:520px){
  .ref-grid{ grid-template-columns:1fr; }
  .stat-row{ gap:1.6rem; }
  .hero-half-text{ display:none; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
  [data-reveal]{ opacity:1; transform:none; }
}