/* retrofit.leipzig — stylesheet
   Palette & shapes derived from the brand mark: dark ground, angular ascending bars,
   white on black, single red accent on the last (tallest) bar. */

:root{
  --bg:#0b0b0c;
  --bg-soft:#101012;
  --panel:#17171a;
  --panel-2:#1c1c20;
  --border:rgba(245,245,245,.09);
  --border-strong:rgba(245,245,245,.16);
  --text:#f5f5f5;
  --text-dim:#a8a8ae;
  --text-mute:#77777d;
  --red:#e8232a;
  --red-2:#ff3b42;
  --red-dark:#a3151a;
  --radius:16px;
  --radius-sm:10px;
  --container:1180px;
  --font:'Manrope', system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --ease:cubic-bezier(.16,.8,.28,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
select{font-family:inherit;}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

section[id]{scroll-margin-top:90px;}
.service-block{scroll-margin-top:100px;}

/* ---------- eyebrow / titles ---------- */
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  font-weight:700;
  color:var(--red);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(1.6rem, 2.6vw, 2.4rem);
  font-weight:800;
  letter-spacing:-.01em;
  max-width:820px;
  margin-bottom:16px;
}
.section-lead{
  color:var(--text-dim);
  max-width:640px;
  font-size:1.02rem;
  margin-bottom:40px;
}
.section{padding:96px 0;}
.section-alt{background:var(--bg-soft);}

/* ---------- mini bars (logo motif reused as decorative glyph) ---------- */
.mini-bars{
  display:inline-flex;
  align-items:flex-end;
  gap:4px;
  height:22px;
  margin-bottom:14px;
}
.mini-bars i{
  width:5px;
  border-radius:2px;
  background:var(--text-dim);
  display:block;
}
.mini-bars i:nth-child(1){height:40%;}
.mini-bars i:nth-child(2){height:65%;}
.mini-bars i:nth-child(3){height:85%;}
.mini-bars i.accent{height:100%;background:var(--red);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  transition:transform .2s var(--ease), background .2s, border-color .2s, color .2s;
  white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:.85rem;}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-2);transform:translateY(-2px);}
.btn-ghost{border:1.5px solid var(--border-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--red);color:var(--red-2);transform:translateY(-2px);}
.btn-link{color:var(--text-dim);text-decoration:underline;text-underline-offset:4px;}
.btn-link:hover{color:var(--text);}

/* ================= HEADER ================= */
.site-header{
  position:sticky;top:0;z-index:100;
  padding:16px 0;
  background:rgba(11,11,12,.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,padding .3s;
}
.site-header.scrolled{
  padding:10px 0;
  background:rgba(11,11,12,.92);
  border-bottom-color:var(--border);
}
.header-inner{display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;flex-shrink:0;}
.brand-mark{width:24px;height:24px;}
.brand-dot{color:var(--red);}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:8px;flex:1;}
.main-nav a{font-size:.88rem;color:var(--text-dim);font-weight:600;white-space:nowrap;transition:color .2s;}
.main-nav a:hover{color:var(--text);}
.header-actions{display:flex;align-items:center;gap:14px;}
.lang-switch{display:flex;border:1px solid var(--border-strong);border-radius:999px;overflow:hidden;}
.lang-switch button{padding:7px 13px;font-size:.78rem;font-weight:700;color:var(--text-mute);}
.lang-switch button.active{background:var(--text);color:#0b0b0c;}
.header-cta{white-space:nowrap;}
.burger{display:none;flex-direction:column;gap:5px;width:26px;padding:4px;}
.burger span{height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .25s;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ================= HERO ================= */
.hero{position:relative;padding:88px 0 0;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 10%, #000 40%, transparent 90%);
  opacity:.5;
}
.hero-bars{
  position:absolute;top:-40px;right:-60px;
  display:flex;align-items:flex-end;gap:22px;
  height:420px;
  transform:rotate(-14deg);
  opacity:.5;
}
.hero-bars .bar{width:46px;border-radius:4px;background:var(--panel-2);}
.hero-bars .b1{height:38%;}
.hero-bars .b2{height:58%;}
.hero-bars .b3{height:80%;}
.hero-bars .b4{height:100%;background:var(--red);opacity:.85;}
.hero-inner{position:relative;z-index:1;max-width:760px;}
.hero-title{
  font-size:clamp(2.2rem, 5vw, 3.6rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  margin:18px 0 22px;
}
.hero-subtitle{
  font-size:1.08rem;
  color:var(--text-dim);
  max-width:620px;
  margin-bottom:34px;
}
.hero-ctas{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:56px;}
.badge{
  border:1px solid var(--border-strong);
  border-radius:999px;
  padding:8px 16px;
  font-size:.82rem;
  color:var(--text-dim);
  background:rgba(255,255,255,.02);
}

.pillars-strip{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--border);
}
.pillar-card{
  padding:26px 24px;
  border-right:1px solid var(--border);
  display:flex;align-items:center;gap:14px;
}
.pillar-card:last-child{border-right:none;}
.pillar-bar{width:4px;height:34px;border-radius:2px;background:var(--text-dim);flex-shrink:0;}
.pillar-card.p4 .pillar-bar{background:var(--red);height:40px;}
.pillar-card strong{display:block;font-size:.98rem;}
.pillar-card small{display:block;color:var(--text-mute);font-size:.82rem;margin-top:3px;}

/* ================= STATS ================= */
.stats-band{background:var(--panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:52px 24px;gap:24px;
}
.stat{display:flex;flex-direction:column;gap:8px;}
.stat-n{font-size:2.6rem;font-weight:800;color:var(--red);letter-spacing:-.02em;}
.stat-l{color:var(--text-dim);font-size:.92rem;max-width:220px;}

/* ================= SERVICES TOC ================= */
.services-toc{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:80px;
}
.service-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 26px 64px;
  transition:border-color .25s, transform .25s, background .25s;
}
.service-card:hover{border-color:var(--border-strong);transform:translateY(-4px);background:var(--panel-2);}
.service-num{
  display:block;font-size:.8rem;font-weight:800;color:var(--text-mute);letter-spacing:.08em;margin-bottom:10px;
}
.service-card h3{font-size:1.15rem;font-weight:800;margin-bottom:8px;letter-spacing:-.01em;}
.service-tagline{color:var(--text-dim);font-size:.92rem;margin-bottom:16px;}
.service-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:.74rem;color:var(--text-mute);
  border:1px solid var(--border);border-radius:999px;padding:5px 10px;
}
.service-link{
  position:absolute;right:24px;bottom:24px;
  width:34px;height:34px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-strong);
  color:var(--text-dim);
  transition:background .2s,color .2s,border-color .2s;
}
.service-link svg{width:16px;height:16px;}
.service-card:hover .service-link{background:var(--red);border-color:var(--red);color:#fff;}

/* ================= SERVICES DETAIL ================= */
.service-block{
  padding:52px 0;border-top:1px solid var(--border);
}
.service-block:first-child{border-top:none;padding-top:0;}
.service-block-head{display:flex;gap:22px;align-items:flex-start;margin-bottom:32px;}
.service-num.lg{font-size:2.1rem;font-weight:800;color:var(--panel-2);-webkit-text-stroke:1px var(--border-strong);flex-shrink:0;line-height:1;}
.service-block-head h3{font-size:1.5rem;font-weight:800;margin-bottom:8px;}
.service-block-head p{color:var(--text-dim);}
.service-groups{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;
}
.service-group h4{
  font-size:.92rem;font-weight:700;color:var(--red);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;
}
.service-group ul li{
  position:relative;padding-left:16px;margin-bottom:9px;color:var(--text-dim);font-size:.94rem;
}
.service-group ul li::before{
  content:"";position:absolute;left:0;top:.55em;width:6px;height:2px;background:var(--red);
}

/* ================= PACKAGES ================= */
.packages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.package-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;display:flex;flex-direction:column;
}
.package-card h3{font-size:1.3rem;font-weight:800;margin-bottom:6px;}
.package-note{color:var(--text-dim);font-size:.9rem;margin-bottom:20px;}
.package-card ul{margin-bottom:26px;flex:1;}
.package-card ul li{
  padding:9px 0;border-top:1px solid var(--border);color:var(--text-dim);font-size:.94rem;
}
.package-card ul li:first-child{border-top:none;}
.package-card .btn{align-self:flex-start;}

/* ================= CAR SELECTOR ================= */
.car-selector{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px;
}
.car-selector-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:8px;}
.field label{display:block;font-size:.8rem;color:var(--text-mute);font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:9px;}
.field select{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--bg-soft);border:1px solid var(--border-strong);color:var(--text);
  font-size:.95rem;font-weight:600;
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8a8ae' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;
}
.field select:disabled{opacity:.45;cursor:not-allowed;}
.car-selector-result{margin-top:28px;}
.selector-empty{color:var(--text-mute);font-size:.94rem;padding:20px 0;}
.car-result-card{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:26px 28px;
}
.car-result-card h4{font-size:1.1rem;font-weight:800;margin-bottom:16px;}
.car-result-card ul{margin-bottom:16px;}
.car-result-card ul li{
  position:relative;padding-left:18px;margin-bottom:8px;color:var(--text-dim);font-size:.94rem;
}
.car-result-card ul li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:2px;background:var(--red);}
.car-result-note{color:var(--text-mute);font-size:.84rem;margin-bottom:18px;}
.vin-box{
  margin-top:24px;padding-top:24px;border-top:1px dashed var(--border-strong);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.vin-box p{color:var(--text-dim);font-size:.88rem;max-width:640px;}

/* ================= ARTICLES ================= */
.articles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.article-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 28px;
}
.article-card h3{font-size:1.15rem;font-weight:800;margin-bottom:12px;}
.article-card p{color:var(--text-dim);font-size:.94rem;}

/* ================= MATERIALS ================= */
.materials-section{position:relative;}
.materials-layers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:28px;}
.material-layer{
  border:1px solid var(--border);border-radius:var(--radius);padding:26px;
  background:linear-gradient(180deg, rgba(232,35,42,.06), transparent 60%);
}
.layer-num{display:block;font-weight:800;color:var(--red);font-size:.85rem;margin-bottom:10px;}
.material-layer h4{font-size:1.05rem;font-weight:800;margin-bottom:8px;}
.material-layer p{color:var(--text-dim);font-size:.9rem;}
.materials-note{color:var(--text-mute);font-size:.86rem;max-width:760px;}

/* ================= FAQ ================= */
.faq-list{max-width:820px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:1.02rem;font-weight:700;
}
.faq-q svg{width:20px;height:20px;color:var(--text-mute);flex-shrink:0;transition:transform .25s;}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--red);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{color:var(--text-dim);padding-bottom:22px;max-width:680px;}
.faq-item.open .faq-a{max-height:240px;}

/* ================= CONTACTS ================= */
.contacts-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch;
}
.contact-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px;display:flex;flex-direction:column;gap:6px;
  transition:border-color .2s, transform .2s;
}
a.contact-card:hover{border-color:var(--red);transform:translateY(-3px);}
.contact-icon{width:26px;height:26px;color:var(--red);margin-bottom:6px;}
.contact-icon svg{width:100%;height:100%;}
.contact-label{font-size:.78rem;color:var(--text-mute);text-transform:uppercase;letter-spacing:.06em;}
.contact-value{font-size:1.02rem;font-weight:700;}
.contact-main-cta{grid-column:1 / -1;justify-self:start;margin-top:8px;}
.contacts-note{grid-column:1 / -1;color:var(--text-mute);font-size:.85rem;margin-top:-8px;}

/* ================= FOOTER ================= */
.site-footer{background:var(--panel);border-top:1px solid var(--border);padding:64px 0 32px;}
.footer-inner{display:flex;flex-direction:column;align-items:flex-start;gap:18px;}
.footer-tagline{color:var(--text-dim);font-size:.95rem;}
.footer-nav{display:flex;flex-wrap:wrap;gap:20px;}
.footer-nav a{color:var(--text-dim);font-size:.9rem;font-weight:600;}
.footer-nav a:hover{color:var(--text);}
.footer-social{display:flex;gap:14px;}
.footer-social a{
  width:38px;height:38px;border:1px solid var(--border-strong);border-radius:999px;
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);
  transition:border-color .2s,color .2s;
}
.footer-social a svg{width:17px;height:17px;}
.footer-social a:hover{border-color:var(--red);color:var(--red-2);}
.footer-bottom{width:100%;border-top:1px solid var(--border);padding-top:24px;color:var(--text-mute);font-size:.82rem;}

/* ================= MOBILE STICKY CTA ================= */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--border-strong);
  background:rgba(11,11,12,.96);backdrop-filter:blur(10px);
}
.mobile-cta-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 0;font-weight:700;font-size:.9rem;color:var(--text);
}
.mobile-cta-btn svg{width:18px;height:18px;}
.mobile-cta-btn.accent{background:var(--red);color:#fff;}

/* ================= SCROLL TOP ================= */
.scroll-top{
  position:fixed;right:24px;bottom:24px;z-index:95;
  width:46px;height:46px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--border-strong);color:var(--text);
  font-size:1.1rem;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s,transform .25s,background .2s;
}
.scroll-top.visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.scroll-top:hover{background:var(--red);}

/* ================= RESPONSIVE ================= */
@media (max-width:1100px){
  .main-nav{display:none;}
  .burger{display:flex;}
  .main-nav.open{
    display:flex;flex-direction:column;gap:0;
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg);padding:12px 24px;z-index:99;overflow-y:auto;
  }
  .main-nav.open a{padding:16px 0;border-bottom:1px solid var(--border);font-size:1.05rem;}
  .pillars-strip{grid-template-columns:repeat(2,1fr);}
  .pillar-card:nth-child(2){border-right:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .services-toc{grid-template-columns:repeat(2,1fr);}
  .packages-grid{grid-template-columns:1fr 1fr;}
  .articles-grid{grid-template-columns:1fr;}
  .materials-layers{grid-template-columns:1fr;}
  .contacts-grid{grid-template-columns:1fr 1fr;}
  .car-selector-controls{grid-template-columns:1fr;}
  .hero-bars{opacity:.25;height:320px;}
  .mobile-cta{display:grid;}
  body{padding-bottom:64px;}
}
@media (max-width:640px){
  .section{padding:64px 0;}
  .services-toc{grid-template-columns:1fr;}
  .packages-grid{grid-template-columns:1fr;}
  .contacts-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;padding:36px 24px;}
  .pillars-strip{grid-template-columns:1fr;}
  .pillar-card{border-right:none;border-bottom:1px solid var(--border);}
  .hero-ctas{flex-direction:column;align-items:stretch;}
  .hero-ctas .btn{width:100%;}
  .header-cta{display:none;}
  .car-selector{padding:24px;}
  .vin-box{flex-direction:column;align-items:flex-start;}
}