/*
  style.css — весь дизайн і всі анімації тут, окремо від тексту (index.html)
  і окремо від логіки (script.js). Системні шрифти навмисно (без Google Fonts,
  див. Anleitung, розділ 4.4 — GDPR).
*/

:root{
  --linen:#EFEAE0;
  --paper:#FAF7F1;
  --ink:#2A2119;
  --ink-soft:#5A4E42;
  --walnut:#5B3A22;
  --walnut-dark:#33200F;
  --brass:#A67C3D;
  --brass-dark:#7C5A26;
  --pine:#4B5D46;
  --line:#DCD3C2;
  --font-display: 'Iowan Old Style','Palatino Linotype',Georgia,serif;
  --font-body: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-mono: 'SF Mono','Cascadia Code',Consolas,'Courier New',monospace;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--linen);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0 0 .5em;line-height:1.15;}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-dark);margin:0 0 .8em;}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;}
section{padding:96px 0;}
.draft-mark{color:var(--brass-dark);font-family:var(--font-mono);font-size:.78em;}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{outline:2px solid var(--brass);outline-offset:2px;}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in-view{opacity:1;transform:none;}
.cards .card:nth-child(1){transition-delay:.02s;}
.cards .card:nth-child(2){transition-delay:.08s;}
.cards .card:nth-child(3){transition-delay:.14s;}
.cards .card:nth-child(4){transition-delay:.2s;}
.cards .card:nth-child(5){transition-delay:.26s;}
.cards .card:nth-child(6){transition-delay:.32s;}
.gallery .project-card:nth-child(1){transition-delay:.02s;}
.gallery .project-card:nth-child(2){transition-delay:.08s;}
.gallery .project-card:nth-child(3){transition-delay:.14s;}
.gallery .project-card:nth-child(4){transition-delay:.2s;}
.gallery .project-card:nth-child(5){transition-delay:.26s;}
.gallery .project-card:nth-child(6){transition-delay:.32s;}
.stats-row .stat:nth-child(2){transition-delay:.1s;}
.stats-row .stat:nth-child(3){transition-delay:.2s;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-bg{display:none;}
}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(239,234,224,.9);backdrop-filter:blur(6px);border-bottom:1px solid transparent;transition:box-shadow .3s var(--ease), border-color .3s var(--ease);}
header.scrolled{border-color:var(--line);box-shadow:0 6px 18px -14px rgba(43,33,25,.4);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1080px;margin:0 auto;}
.brand{font-family:var(--font-display);font-size:1.15rem;font-weight:600;text-decoration:none;color:var(--walnut-dark);}
.brand small{display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;color:var(--ink-soft);font-weight:400;text-transform:uppercase;margin-top:2px;}
.nav-links{display:flex;gap:32px;list-style:none;margin:0;padding:0;}
.nav-links a{text-decoration:none;font-size:.95rem;color:var(--ink);position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1.5px;background:var(--brass);transition:right .28s var(--ease);}
.nav-links a:hover::after{right:0;}
.nav-links a:hover{color:var(--walnut-dark);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .25s var(--ease), opacity .25s var(--ease);}
.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 ---------- */
.hero{position:relative;padding:110px 0 0;overflow:hidden;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.5;will-change:transform;}
.hero-bg-line{fill:none;stroke:var(--walnut);stroke-width:2;opacity:.35;}
.hero-bg-line--2{stroke:var(--brass);opacity:.25;}
.hero-inner{position:relative;z-index:1;max-width:640px;}
.hero h1{font-size:clamp(2.1rem,5vw,3.2rem);color:var(--walnut-dark);}
.hero .tagline{font-family:var(--font-display);font-style:italic;color:var(--brass-dark);font-size:1.15rem;margin-bottom:20px;}
.hero p.lead{font-size:1.05rem;color:var(--ink-soft);max-width:52ch;}
.cta-row{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.btn{display:inline-block;padding:13px 26px;border-radius:2px;text-decoration:none;font-size:.95rem;border:1px solid transparent;cursor:pointer;font-family:var(--font-body);transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease);}
.btn-primary{background:var(--walnut-dark);color:var(--linen);}
.btn-primary:hover{background:var(--brass-dark);transform:translateY(-2px);box-shadow:0 10px 20px -12px rgba(51,32,15,.5);}
.btn-ghost{border-color:var(--walnut-dark);color:var(--walnut-dark);background:transparent;}
.btn-ghost:hover{background:var(--walnut-dark);color:var(--linen);transform:translateY(-2px);}
.btn-block{width:100%;text-align:center;}

.scroll-cue{position:relative;z-index:1;display:flex;justify-content:center;margin-top:56px;}
.scroll-cue span{width:20px;height:32px;border:1.5px solid var(--walnut);border-radius:12px;position:relative;display:block;}
.scroll-cue span::before{content:"";position:absolute;top:6px;left:50%;width:3px;height:6px;margin-left:-1.5px;background:var(--brass);border-radius:2px;animation:cue 1.8s ease-in-out infinite;}
@media (prefers-reduced-motion: reduce){.scroll-cue span::before{animation:none;}}
@keyframes cue{0%,100%{transform:translateY(0);opacity:1;}60%{transform:translateY(8px);opacity:.3;}}

.joint-divider{width:100%;height:22px;display:block;margin-top:56px;position:relative;z-index:1;}
.joint-divider polyline{fill:none;stroke:var(--walnut);stroke-width:3;}

/* ---------- stats ---------- */
#stats{background:var(--walnut-dark);padding:56px 0;}
.stats-row{display:flex;justify-content:space-around;flex-wrap:wrap;gap:28px;text-align:center;}
.stat b{display:block;font-family:var(--font-display);font-size:2.4rem;color:var(--linen);}
.stat span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(239,234,224,.7);}

/* ---------- leistungen ---------- */
#leistungen{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:560px;margin:0 auto 32px;text-align:center;}
.section-head h2{font-size:2rem;color:var(--walnut-dark);}
.values-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:48px;}
.tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--pine);border:1px solid var(--line);padding:6px 14px;border-radius:20px;background:var(--linen);}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--linen);border:1px solid var(--line);border-radius:2px;padding:28px;transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);}
.card:hover{transform:translateY(-4px);border-color:var(--brass);box-shadow:0 16px 28px -20px rgba(43,33,25,.35);}
.card-icon{width:34px;height:34px;stroke:var(--brass-dark);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px;}
.card-icon .dot{fill:var(--brass-dark);stroke:none;}
.card h3{font-size:1.1rem;color:var(--walnut-dark);}
.card p{margin:0;color:var(--ink-soft);font-size:.93rem;}

/* ---------- ueber uns ---------- */
.ueber-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
#ueber-uns p{color:var(--ink-soft);max-width:56ch;}
.mini-stat-row{display:flex;gap:36px;margin-top:28px;}
.mini-stat b{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--walnut-dark);}
.mini-stat span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);}
.about-panel{background:var(--paper);border:2px solid var(--brass);border-radius:2px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;}
.about-panel .eyebrow{margin-bottom:8px;}
.about-panel p{font-size:.85rem;color:var(--ink-soft);margin:0;}

/* ---------- referenzen ---------- */
#referenzen{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.project-card{border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--linen);transition:transform .22s var(--ease), box-shadow .22s var(--ease);}
.project-card:hover{transform:translateY(-4px);box-shadow:0 18px 30px -22px rgba(43,33,25,.4);}
.project-photo{aspect-ratio:4/3;border-bottom:1.5px dashed var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;transition:background .22s var(--ease);}
.project-card:hover .project-photo{background:rgba(166,124,61,.08);}
.project-info{padding:16px 18px;}
.project-info h3{font-size:1rem;margin:0 0 4px;color:var(--walnut-dark);}
.project-info p{margin:0;font-size:.85rem;color:var(--ink-soft);}

/* ---------- kontakt ---------- */
.kontakt-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;}
.contact-info dl{margin:24px 0 0;}
.contact-info dt{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-dark);margin-top:18px;}
.contact-info dd{margin:2px 0 0;font-size:1rem;}
.contact-info a{text-decoration:none;border-bottom:1px solid var(--brass);}
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:2px;padding:36px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.85rem;margin-bottom:6px;color:var(--ink-soft);}
.field input, .field textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:2px;font-family:var(--font-body);font-size:.95rem;background:#fff;color:var(--ink);transition:border-color .2s var(--ease), box-shadow .2s var(--ease);}
.field input:focus, .field textarea:focus{border-color:var(--brass);box-shadow:0 0 0 3px rgba(166,124,61,.15);}
.field textarea{resize:vertical;min-height:110px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--ink-soft);margin-bottom:20px;}
.consent a{color:var(--brass-dark);}
.consent input{margin-top:3px;}
.form-note{font-size:.78rem;color:var(--ink-soft);margin-top:14px;}
.honeypot{position:absolute;left:-9999px;}

/* ---------- footer ---------- */
footer{background:var(--walnut-dark);color:var(--linen);padding:56px 0 28px;}
footer .wrap{display:flex;flex-direction:column;gap:28px;}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;}
.footer-links a{text-decoration:none;font-size:.85rem;color:var(--linen);opacity:.85;}
.footer-links a:hover{opacity:1;}
.legal-block{border-top:1px solid rgba(239,234,224,.18);padding-top:24px;font-size:.85rem;line-height:1.75;color:rgba(239,234,224,.85);}
.legal-block h3{color:var(--linen);font-size:1rem;margin-bottom:10px;}
.legal-block .placeholder-note{display:inline-block;margin-top:10px;padding:8px 12px;border:1px dashed rgba(239,234,224,.4);font-family:var(--font-mono);font-size:.72rem;}
.copyright{font-size:.78rem;color:rgba(239,234,224,.6);}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .nav-links{position:fixed;inset:64px 0 0 0;background:var(--linen);flex-direction:column;padding:32px 24px;gap:20px;transform:translateX(100%);transition:transform .3s var(--ease);}
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .cards{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .ueber-grid{grid-template-columns:1fr;}
  .about-panel{order:-1;aspect-ratio:16/9;}
  .kontakt-grid{grid-template-columns:1fr;}
  .stats-row{gap:20px;}
  .stat b{font-size:1.9rem;}
  section{padding:64px 0;}
}