/* ============================================================
   D&S Electronics LTD — Design System
   Dark hightech · Cyan/Teal Akzent · Space Grotesk / Inter / JetBrains Mono
   ============================================================ */

/* ---------- Fonts (self-hosted, OFL) ---------- */
@font-face { font-family:"Space Grotesk"; src:url("../assets/fonts/sg-500.woff2") format("woff2"); font-weight:500; font-display:swap; }
@font-face { font-family:"Space Grotesk"; src:url("../assets/fonts/sg-600.woff2") format("woff2"); font-weight:600; font-display:swap; }
@font-face { font-family:"Space Grotesk"; src:url("../assets/fonts/sg-700.woff2") format("woff2"); font-weight:700; font-display:swap; }
@font-face { font-family:"Inter"; src:url("../assets/fonts/inter-400.woff2") format("woff2"); font-weight:400; font-display:swap; }
@font-face { font-family:"Inter"; src:url("../assets/fonts/inter-500.woff2") format("woff2"); font-weight:500; font-display:swap; }
@font-face { font-family:"Inter"; src:url("../assets/fonts/inter-600.woff2") format("woff2"); font-weight:600; font-display:swap; }
@font-face { font-family:"Inter"; src:url("../assets/fonts/inter-700.woff2") format("woff2"); font-weight:700; font-display:swap; }
@font-face { font-family:"JetBrains Mono"; src:url("../assets/fonts/jbm-400.woff2") format("woff2"); font-weight:400; font-display:swap; }
@font-face { font-family:"JetBrains Mono"; src:url("../assets/fonts/jbm-500.woff2") format("woff2"); font-weight:500; font-display:swap; }

/* ---------- Tokens ---------- */
:root{
  /* Helles, technisch-seriöses Theme · Stahlblau-Akzent */
  --canvas:#eceff3;
  --surface-1:#ffffff;
  --surface-2:#f6f8fb;
  --surface-3:#e8edf2;
  --surface-glass:rgba(255,255,255,.82);
  --hairline:rgba(18,38,64,.10);
  --hairline-strong:rgba(18,38,64,.17);

  --ink:#111820;
  --ink-muted:#3d4853;
  --ink-subtle:#657180;
  --ink-tertiary:#98a2ad;

  --primary:#14568f;
  --primary-bright:#1c6cb0;
  --primary-dim:#0e3f6b;
  --primary-ink:#ffffff;
  --primary-glow:rgba(20,86,143,.20);
  --primary-soft:rgba(20,86,143,.07);

  --heat:#b0703a;           /* Kupfer — sehr sparsam */
  --heat-glow:rgba(176,112,58,.20);
  --pcb:#1f7d59;

  --font-display:"Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body:"Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-xs:6px; --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px; --r-pill:999px;

  --sp-xs:8px; --sp-sm:12px; --sp-md:16px; --sp-lg:24px; --sp-xl:36px; --sp-2xl:56px; --sp-sec:110px;

  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 2px rgba(18,38,64,.06), 0 1px 3px rgba(18,38,64,.04);
  --shadow-md:0 2px 6px rgba(18,38,64,.06), 0 10px 26px -12px rgba(18,38,64,.16);
  --shadow-lift:0 26px 60px -26px rgba(18,38,64,.32);
}

/* ---------- Reset / Base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--canvas); color:var(--ink);
  font-family:var(--font-body); font-size:16px; line-height:1.6;
  letter-spacing:-.01em; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} *{animation-duration:.001ms !important; transition-duration:.001ms !important;} }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0; line-height:1.08; letter-spacing:-.03em; }
p{ margin:0; }
::selection{ background:var(--primary); color:var(--primary-ink); }

/* ---------- Layout helpers ---------- */
.container{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:24px; }
.section{ padding-block:var(--sp-sec); position:relative; }
.section--tight{ padding-block:calc(var(--sp-sec) * .62); }
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; font-weight:500; letter-spacing:.22em;
  text-transform:uppercase; color:var(--primary); display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:linear-gradient(90deg,transparent,var(--primary)); }
.section-head{ max-width:720px; margin-bottom:var(--sp-2xl); }
.section-head h2{ font-size:clamp(30px,4.6vw,50px); margin-top:18px; }
.section-head p{ color:var(--ink-muted); font-size:clamp(16px,1.6vw,19px); margin-top:18px; max-width:60ch; }
.text-primary{ color:var(--primary); }
.mono{ font-family:var(--font-mono); }

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--surface-2); --fg:var(--ink); --bd:var(--hairline-strong);
  display:inline-flex; align-items:center; gap:9px; font-family:var(--font-body);
  font-size:15px; font-weight:600; letter-spacing:-.01em; line-height:1;
  padding:14px 22px; border-radius:var(--r-sm); background:var(--bg); color:var(--fg);
  border:1px solid var(--bd); cursor:pointer; transition:all .25s var(--ease); white-space:nowrap;
}
.btn svg{ width:17px; height:17px; }
.btn--primary{
  --bg:var(--primary); --fg:var(--primary-ink); --bd:transparent;
  box-shadow:0 0 0 0 var(--primary-glow), 0 14px 34px -14px var(--primary-glow);
}
.btn--primary:hover{ background:var(--primary-bright); transform:translateY(-2px); box-shadow:0 0 34px -6px var(--primary-glow), 0 18px 40px -16px var(--primary-glow); }
.btn--ghost:hover{ border-color:var(--primary); color:var(--primary); transform:translateY(-2px); }
.btn--lg{ padding:17px 28px; font-size:16px; }

/* ---------- Chips / badges ---------- */
.chip{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.04em; color:var(--ink-muted);
  padding:6px 12px; border:1px solid var(--hairline); border-radius:var(--r-pill);
  background:var(--surface-1); display:inline-flex; align-items:center; gap:7px;
}
.chip .dot{ width:6px; height:6px; border-radius:50%; background:var(--primary); box-shadow:0 0 8px var(--primary); }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100; height:70px;
  display:flex; align-items:center;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{ background:var(--surface-glass); backdrop-filter:blur(16px) saturate(1.2); border-bottom-color:var(--hairline); }
.nav .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:center; gap:12px; font-family:var(--font-display); font-weight:700; font-size:19px; letter-spacing:-.02em; }
.brand .mark{ width:34px; height:34px; }
.brand small{ display:block; font-family:var(--font-mono); font-size:9.5px; font-weight:400; letter-spacing:.24em; color:var(--ink-subtle); text-transform:uppercase; margin-top:2px; }
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--ink-subtle); padding:9px 13px; border-radius:var(--r-xs);
  transition:color .2s, background .2s; position:relative;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active{ color:var(--primary); }
.nav-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; background:none; border:1px solid var(--hairline-strong); border-radius:var(--r-xs); width:42px; height:42px; cursor:pointer; align-items:center; justify-content:center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{ content:""; display:block; width:18px; height:2px; background:var(--ink); position:relative; transition:.25s; }
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }
body.menu-open .nav-toggle span{ background:transparent; }
body.menu-open .nav-toggle span::before{ transform:rotate(45deg); top:0; }
body.menu-open .nav-toggle span::after{ transform:rotate(-45deg); top:0; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ position:relative; min-height:100svh; display:flex; align-items:center; padding-top:70px; overflow:hidden; }
#hero-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:0; }
.hero::after{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(120% 90% at 80% 12%, rgba(20,86,143,.08), transparent 55%),
    linear-gradient(180deg, rgba(236,239,243,0) 55%, var(--canvas) 100%);
}
.hero .container{ position:relative; z-index:2; padding-block:60px; }
.hero-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center; }
.hero-copy{ max-width:660px; }
.hero-badges{ display:flex; flex-wrap:wrap; gap:9px; margin-bottom:26px; }
.hero h1{ font-size:clamp(38px,6.4vw,74px); font-weight:700; letter-spacing:-.045em; line-height:1.02; }
.hero h1 .grad{
  background:linear-gradient(120deg,var(--primary-bright),var(--primary) 45%,var(--primary-dim));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-lead{ color:var(--ink-muted); font-size:clamp(16px,1.9vw,20px); line-height:1.6; margin-top:24px; max-width:52ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero-stats{ display:flex; flex-wrap:wrap; gap:34px; margin-top:46px; padding-top:30px; border-top:1px solid var(--hairline); }
.hstat .num{ font-family:var(--font-display); font-size:clamp(24px,3vw,34px); font-weight:600; color:var(--ink); letter-spacing:-.02em; }
.hstat .num .u{ color:var(--primary); }
.hstat .lbl{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; color:var(--ink-subtle); text-transform:uppercase; margin-top:5px; }

/* Hero visual card (right) */
.hero-visual{ position:relative; }
.board-card{
  position:relative; border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--hairline-strong);
  background:var(--surface-1); box-shadow:var(--shadow-lift); aspect-ratio:4/5;
}
.board-card svg{ width:100%; height:100%; display:block; }
.board-card .glass{
  position:absolute; left:16px; right:16px; bottom:16px; padding:14px 16px; border-radius:var(--r-md);
  background:var(--surface-glass); backdrop-filter:blur(10px); border:1px solid var(--hairline);
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.board-card .glass .t{ font-family:var(--font-mono); font-size:11px; color:var(--ink-subtle); letter-spacing:.06em; }
.board-card .glass .v{ font-family:var(--font-display); font-weight:600; font-size:15px; color:var(--primary); }
.hero-float{
  position:absolute; font-family:var(--font-mono); font-size:11.5px; color:var(--ink-muted);
  background:var(--surface-glass); backdrop-filter:blur(10px); border:1px solid var(--hairline-strong);
  border-radius:var(--r-pill); padding:8px 14px; display:flex; align-items:center; gap:8px; box-shadow:var(--shadow-lift);
}
.hero-float .dot{ width:7px;height:7px;border-radius:50%; background:var(--heat); box-shadow:0 0 10px var(--heat); animation:pulse 1.8s infinite; }
.hero-float--a{ top:8%; left:-28px; }
.hero-float--b{ bottom:16%; right:-24px; }
@keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:.35;} }

.scroll-hint{ position:absolute; bottom:24px; left:50%; transform:translateX(-50%); z-index:3; display:flex; flex-direction:column; align-items:center; gap:8px; font-family:var(--font-mono); font-size:10.5px; letter-spacing:.2em; color:var(--ink-subtle); text-transform:uppercase; }
.scroll-hint .line{ width:1px; height:34px; background:linear-gradient(var(--primary),transparent); animation:scrolldot 2s infinite; }
@keyframes scrolldot{ 0%{transform:scaleY(0); transform-origin:top;} 50%{transform:scaleY(1); transform-origin:top;} 51%{transform-origin:bottom;} 100%{transform:scaleY(0); transform-origin:bottom;} }

/* Marquee (Bauformen / Verfahren) */
.marquee{ border-block:1px solid var(--hairline); background:var(--surface-1); overflow:hidden; padding-block:20px; }
.marquee-track{ display:flex; gap:52px; width:max-content; animation:marquee 34s linear infinite; }
.marquee:hover .marquee-track{ animation-play-state:paused; }
.marquee-item{ font-family:var(--font-mono); font-size:14px; letter-spacing:.08em; color:var(--ink-subtle); display:flex; align-items:center; gap:52px; }
.marquee-item::after{ content:"›"; color:var(--primary); }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ============================================================
   LEISTUNGEN GRID
   ============================================================ */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.svc{
  position:relative; padding:26px; border-radius:var(--r-lg); background:var(--surface-1);
  border:1px solid var(--hairline); overflow:hidden; transition:border-color .3s var(--ease), transform .3s var(--ease), background .3s;
}
.svc::before{ content:""; position:absolute; inset:0; background:radial-gradient(140% 120% at 100% 0%, var(--primary-soft), transparent 55%); opacity:0; transition:opacity .35s; }
.svc:hover{ transform:translateY(-4px); border-color:var(--hairline-strong); background:var(--surface-2); }
.svc:hover::before{ opacity:1; }
.svc.featured{ grid-column:span 2; background:linear-gradient(140deg,var(--surface-2),var(--surface-1)); border-color:var(--hairline-strong); }
.svc-ico{ width:46px; height:46px; border-radius:var(--r-sm); display:grid; place-items:center; background:var(--primary-soft); border:1px solid var(--hairline-strong); margin-bottom:18px; }
.svc-ico svg{ width:24px; height:24px; stroke:var(--primary); fill:none; stroke-width:1.6; }
.svc h3{ font-size:20px; font-weight:600; letter-spacing:-.02em; }
.svc .num{ position:absolute; top:22px; right:24px; font-family:var(--font-mono); font-size:12px; color:var(--ink-tertiary); }
.svc p{ color:var(--ink-subtle); font-size:14.5px; line-height:1.6; margin-top:10px; }
.svc .tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:16px; }
.svc .tags span{ font-family:var(--font-mono); font-size:11px; color:var(--ink-muted); background:var(--surface-3); border:1px solid var(--hairline); border-radius:var(--r-xs); padding:4px 9px; }

/* ============================================================
   SPLIT FEATURE (Prototypen / Handbestückung)
   ============================================================ */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.split.reverse .split-media{ order:2; }
.split-copy h2{ font-size:clamp(28px,3.8vw,44px); margin-top:16px; }
.split-copy .lead{ color:var(--ink-muted); font-size:17px; line-height:1.7; margin-top:20px; }
.feature-list{ list-style:none; padding:0; margin:26px 0 0; display:grid; gap:14px; }
.feature-list li{ display:flex; gap:13px; align-items:flex-start; font-size:15px; color:var(--ink-muted); }
.feature-list svg{ flex:0 0 auto; width:20px; height:20px; margin-top:1px; stroke:var(--primary); fill:none; stroke-width:1.8; }
.feature-list b{ color:var(--ink); font-weight:600; }
.split-actions{ margin-top:30px; display:flex; gap:14px; flex-wrap:wrap; }

.media-frame{ position:relative; border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--hairline-strong); box-shadow:var(--shadow-lift); background:var(--surface-1); }
.media-frame img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; filter:saturate(1.02) contrast(1.03); transition:transform .8s var(--ease); }
.media-frame:hover img{ transform:scale(1.04); }
.media-frame video, .media-frame .media-video{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; display:block; }
.contact-cta{ display:flex; flex-direction:column; justify-content:center; }
.cta-card-lead{ color:var(--ink-muted); font-size:14.5px; line-height:1.65; margin-bottom:22px; }
.cta-or{ text-align:center; margin:12px 0; font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--ink-tertiary); }
.cta-inner > *{ min-width:0; }
.contact-cta .btn{ white-space:normal; line-height:1.25; text-align:center; padding-block:15px; }
.cline .v, .cline a.v{ overflow-wrap:anywhere; }

/* ============================================================
   Scroll-Progress · Back-to-Top · FAQ-Akkordeon
   ============================================================ */
.scroll-progress{ position:fixed; top:0; left:0; height:3px; width:0; z-index:200;
  background:linear-gradient(90deg,var(--primary-dim),var(--primary),var(--primary-bright)); transition:width .08s linear; box-shadow:0 0 8px var(--primary-glow); }

.to-top{ position:fixed; right:22px; bottom:22px; z-index:150; width:48px; height:48px; border-radius:50%;
  background:var(--primary); color:#fff; border:none; cursor:pointer; display:grid; place-items:center;
  box-shadow:var(--shadow-lift); opacity:0; transform:translateY(12px) scale(.9); pointer-events:none; transition:.3s var(--ease); }
.to-top svg{ width:20px; height:20px; }
.to-top.show{ opacity:1; transform:none; pointer-events:auto; }
.to-top:hover{ background:var(--primary-bright); transform:translateY(-3px); }

.faq{ max-width:880px; margin:0 auto; display:grid; gap:12px; }
.faq-item{ background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--r-md);
  box-shadow:var(--shadow-sm); overflow:hidden; transition:border-color .25s, box-shadow .25s; }
.faq-item[open]{ border-color:var(--hairline-strong); box-shadow:var(--shadow-md); }
.faq-item summary{ list-style:none; cursor:pointer; padding:20px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-family:var(--font-display); font-size:17px; font-weight:600; color:var(--ink); letter-spacing:-.01em; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary:hover{ color:var(--primary); }
.faq-ico{ flex:0 0 auto; width:20px; height:20px; color:var(--ink-subtle); transition:transform .3s var(--ease); }
.faq-item[open] .faq-ico{ transform:rotate(180deg); color:var(--primary); }
.faq-a{ padding:2px 24px 22px; color:var(--ink-muted); font-size:15px; line-height:1.65; max-width:72ch; animation:faqIn .35s var(--ease); }
@keyframes faqIn{ from{ opacity:0; transform:translateY(-6px); } to{ opacity:1; transform:none; } }
.media-frame::after{ content:""; position:absolute; inset:0; background:linear-gradient(200deg, transparent 45%, rgba(7,10,15,.55)); pointer-events:none; }
.media-frame .cap{
  position:absolute; left:16px; bottom:16px; z-index:2; display:flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.05em; color:var(--ink-muted);
  background:var(--surface-glass); backdrop-filter:blur(8px); border:1px solid var(--hairline); border-radius:var(--r-pill); padding:7px 13px;
}
.media-frame .cap .dot{ width:7px;height:7px;border-radius:50%; background:var(--primary); box-shadow:0 0 9px var(--primary); }
.media-stack{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.media-stack .media-frame:first-child{ grid-column:span 2; }
.media-stack .media-frame img{ aspect-ratio:16/10; }
.media-stack .media-frame:not(:first-child) img{ aspect-ratio:1; }

/* Bauform explorer */
.bauform{ margin-top:26px; padding:22px; border:1px solid var(--hairline); border-radius:var(--r-lg); background:var(--surface-1); }
.bauform-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.bauform-head .t{ font-family:var(--font-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-subtle); }
.bauform-tabs{ display:flex; gap:7px; flex-wrap:wrap; }
.bauform-tabs button{
  font-family:var(--font-mono); font-size:12.5px; color:var(--ink-subtle); background:var(--surface-3);
  border:1px solid var(--hairline); border-radius:var(--r-pill); padding:7px 14px; cursor:pointer; transition:.2s;
}
.bauform-tabs button.active{ color:var(--primary-ink); background:var(--primary); border-color:transparent; font-weight:600; }
.bauform-body{ display:flex; align-items:center; gap:22px; }
.bauform-scale{ flex:0 0 118px; height:118px; display:grid; place-items:center; border:1px dashed var(--hairline-strong); border-radius:var(--r-md); background:var(--surface-2); position:relative; }
.bauform-chip{ background:linear-gradient(150deg,#2a3340,#151c26); border:1px solid var(--hairline-strong); border-radius:2px; transition:all .4s var(--ease); box-shadow:0 0 0 1px rgba(37,224,198,.15); }
.bauform-info .size{ font-family:var(--font-display); font-weight:600; font-size:26px; color:var(--ink); }
.bauform-info .desc{ color:var(--ink-subtle); font-size:14px; margin-top:6px; max-width:38ch; }

/* ============================================================
   FERTIGUNG IN BEWEGUNG (Video)
   ============================================================ */
.video-frame{ position:relative; border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--hairline-strong);
  box-shadow:var(--shadow-lift); background:#05080b; aspect-ratio:16/9; margin-top:8px; }
.video-frame video{ width:100%; height:100%; object-fit:cover; display:block; }
.video-frame::after{ pointer-events:none; content:""; position:absolute; inset:0; box-shadow:inset 0 0 140px rgba(0,0,0,.55);
  border-radius:var(--r-xl); }
.video-badge{ position:absolute; top:16px; left:16px; z-index:2; font-family:var(--font-mono); font-size:11px;
  letter-spacing:.08em; color:var(--ink-muted); background:var(--surface-glass); backdrop-filter:blur(8px);
  border:1px solid var(--hairline); border-radius:var(--r-pill); padding:7px 13px; display:flex; align-items:center; gap:8px; }
.video-badge .dot{ width:7px;height:7px;border-radius:50%; background:var(--heat); box-shadow:0 0 9px var(--heat); animation:pulse 1.8s infinite; }
.video-meta{ position:absolute; right:16px; bottom:16px; z-index:2; display:flex; gap:8px; }
.video-meta span{ font-family:var(--font-mono); font-size:11px; color:var(--ink-muted); background:var(--surface-glass);
  backdrop-filter:blur(8px); border:1px solid var(--hairline); border-radius:var(--r-pill); padding:6px 12px; }
.video-meta span b{ color:var(--primary); font-weight:500; }

/* ============================================================
   PROZESS (Stepper)
   ============================================================ */
.process{ position:relative; }
.proc-rail{ display:grid; grid-template-columns:repeat(6,1fr); gap:16px; margin-top:24px; position:relative; }
.proc-rail::before{ content:""; position:absolute; top:26px; left:6%; right:6%; height:2px; background:linear-gradient(90deg,var(--hairline),var(--hairline)); z-index:0; }
.proc-rail .proc-line{ content:""; position:absolute; top:26px; left:6%; height:2px; width:0; background:linear-gradient(90deg,var(--primary-dim),var(--primary)); z-index:1; box-shadow:0 0 12px var(--primary-glow); transition:width 1.2s var(--ease); }
.pstep{ position:relative; z-index:2; text-align:left; }
.pstep .node{
  width:54px; height:54px; border-radius:14px; display:grid; place-items:center; background:var(--surface-2);
  border:1px solid var(--hairline-strong); margin-bottom:16px; position:relative; transition:.4s var(--ease);
}
.pstep .node svg{ width:24px; height:24px; stroke:var(--ink-subtle); fill:none; stroke-width:1.6; transition:.4s; }
.pstep.on .node{ background:var(--primary-soft); border-color:var(--primary); box-shadow:0 0 0 4px var(--primary-soft); }
.pstep.on .node svg{ stroke:var(--primary); }
.pstep .k{ font-family:var(--font-mono); font-size:11px; color:var(--primary); letter-spacing:.1em; }
.pstep h4{ font-family:var(--font-display); font-size:17px; font-weight:600; margin:6px 0 8px; letter-spacing:-.02em; }
.pstep p{ font-size:13.5px; color:var(--ink-subtle); line-height:1.55; }

/* ============================================================
   SPECS / Fähigkeiten
   ============================================================ */
.spec-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.spec{ padding:24px; border:1px solid var(--hairline); border-radius:var(--r-lg); background:var(--surface-1); }
.spec .k{ font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-subtle); }
.spec .v{ font-family:var(--font-display); font-weight:600; font-size:clamp(26px,3.4vw,38px); color:var(--ink); margin-top:12px; letter-spacing:-.03em; }
.spec .v .u{ color:var(--primary); font-size:.6em; }
.spec .d{ color:var(--ink-subtle); font-size:13.5px; margin-top:8px; line-height:1.5; }
.spec.wide{ grid-column:span 2; }

.caps{ display:grid; grid-template-columns:1.1fr .9fr; gap:40px; margin-top:44px; align-items:center; }
.caps-list{ display:grid; gap:2px; }
.caps-row{ display:flex; align-items:center; justify-content:space-between; gap:20px; padding:16px 4px; border-bottom:1px solid var(--hairline); }
.caps-row .name{ font-weight:500; color:var(--ink); font-size:15.5px; }
.caps-row .val{ font-family:var(--font-mono); font-size:13px; color:var(--primary); }

/* ============================================================
   WARUM / Vorteile
   ============================================================ */
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.why{ padding:26px; border-radius:var(--r-lg); border:1px solid var(--hairline); background:linear-gradient(160deg,var(--surface-1),rgba(13,18,25,.4)); }
.why .ico{ width:40px;height:40px; margin-bottom:16px; stroke:var(--primary); fill:none; stroke-width:1.5; }
.why h4{ font-family:var(--font-display); font-size:17px; font-weight:600; letter-spacing:-.02em; }
.why p{ color:var(--ink-subtle); font-size:14px; line-height:1.6; margin-top:9px; }

/* ============================================================
   CTA / KONTAKT
   ============================================================ */
.cta-wrap{ position:relative; border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--hairline-strong); background:linear-gradient(140deg,var(--surface-2),var(--surface-1)); }
.cta-wrap::before{ content:""; position:absolute; inset:0; background:radial-gradient(90% 130% at 85% 0%, var(--primary-soft), transparent 55%); }
.cta-inner{ position:relative; display:grid; grid-template-columns:1fr .9fr; gap:48px; padding:clamp(30px,5vw,64px); align-items:start; }
.cta-inner h2{ font-size:clamp(28px,4vw,46px); }
.cta-inner .lead{ color:var(--ink-muted); font-size:17px; margin-top:18px; line-height:1.6; max-width:44ch; }
.contact-lines{ margin-top:30px; display:grid; gap:16px; }
.cline{ display:flex; align-items:center; gap:14px; }
.cline .ico{ width:42px;height:42px; flex:0 0 auto; border-radius:var(--r-sm); background:var(--surface-3); border:1px solid var(--hairline); display:grid; place-items:center; }
.cline .ico svg{ width:19px;height:19px; stroke:var(--primary); fill:none; stroke-width:1.6; }
.cline .t{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-subtle); }
.cline .v{ font-size:15.5px; color:var(--ink); font-weight:500; }
.cline a.v:hover{ color:var(--primary); }

.form-card{ background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--r-lg); padding:26px; }
.form-card .fh{ font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-subtle); margin-bottom:18px; }
.field{ margin-bottom:14px; }
.field label{ display:block; font-size:12.5px; color:var(--ink-subtle); margin-bottom:7px; font-weight:500; }
.field input, .field textarea, .field select{
  width:100%; background:var(--surface-2); border:1px solid var(--hairline); border-radius:var(--r-sm);
  color:var(--ink); font-family:var(--font-body); font-size:14.5px; padding:12px 14px; transition:.2s; resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-soft); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-note{ font-size:11.5px; color:var(--ink-tertiary); margin-top:6px; line-height:1.5; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ border-top:1px solid var(--hairline); background:var(--surface-1); padding-block:60px 34px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
.footer .brand{ font-size:18px; }
.footer p.about{ color:var(--ink-subtle); font-size:13.5px; line-height:1.6; margin-top:16px; max-width:34ch; }
.fcol h5{ font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-subtle); margin:0 0 16px; font-weight:500; }
.fcol a, .fcol span{ display:block; color:var(--ink-muted); font-size:14px; padding:5px 0; transition:color .2s; }
.fcol a:hover{ color:var(--primary); }
.footer-bottom{ margin-top:48px; padding-top:24px; border-top:1px solid var(--hairline); display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.footer-bottom small{ color:var(--ink-tertiary); font-size:12.5px; }
.footer-bottom .fb-links{ display:flex; gap:20px; }
.footer-bottom .fb-links a{ color:var(--ink-subtle); font-size:12.5px; }
.footer-bottom .fb-links a:hover{ color:var(--primary); }

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.08s; } .reveal[data-d="2"]{ transition-delay:.16s; }
.reveal[data-d="3"]{ transition-delay:.24s; } .reveal[data-d="4"]{ transition-delay:.32s; } .reveal[data-d="5"]{ transition-delay:.40s; }

/* Section divider tech-line */
.tech-divider{ height:1px; background:linear-gradient(90deg,transparent,var(--hairline-strong),transparent); position:relative; }
.tech-divider::after{ content:""; position:absolute; top:-2px; left:50%; transform:translateX(-50%); width:5px;height:5px;border-radius:50%; background:var(--primary); box-shadow:0 0 12px var(--primary); }

/* ============================================================
   Legal pages
   ============================================================ */
.legal{ padding-top:130px; padding-bottom:80px; }
.legal h1{ font-size:clamp(30px,5vw,46px); margin-bottom:10px; }
.legal .updated{ font-family:var(--font-mono); font-size:12px; color:var(--ink-subtle); margin-bottom:40px; }
.legal h2{ font-size:22px; margin:38px 0 14px; color:var(--ink); }
.legal h3{ font-size:16px; margin:24px 0 10px; color:var(--primary); font-family:var(--font-display); }
.legal p, .legal li{ color:var(--ink-muted); font-size:14.5px; line-height:1.75; max-width:80ch; }
.legal ul{ padding-left:20px; }
.legal a{ color:var(--primary); }
.legal .backlink{ display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:13px; color:var(--ink-subtle); margin-bottom:30px; }
.legal .backlink:hover{ color:var(--primary); }
.legal .card{ background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--r-lg); padding:24px 28px; margin:20px 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .hero-visual{ max-width:440px; }
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .svc.featured{ grid-column:span 2; }
  .spec-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .proc-rail{ grid-template-columns:repeat(3,1fr); row-gap:34px; }
  .proc-rail::before, .proc-rail .proc-line{ display:none; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:820px){
  :root{ --sp-sec:76px; }
  .nav-links{ position:fixed; inset:70px 0 auto 0; flex-direction:column; align-items:stretch; gap:0;
    background:var(--surface-glass); backdrop-filter:blur(20px); border-bottom:1px solid var(--hairline);
    padding:12px 24px 20px; transform:translateY(-140%); transition:transform .35s var(--ease); }
  body.menu-open .nav-links{ transform:none; }
  .nav-links a{ padding:14px 4px; font-size:16px; border-bottom:1px solid var(--hairline); }
  .nav-toggle{ display:flex; }
  .nav-cta .btn:not(.nav-toggle){ display:none; }
  .split{ grid-template-columns:1fr; gap:34px; }
  .split.reverse .split-media{ order:0; }
  .caps{ grid-template-columns:1fr; gap:26px; }
  .cta-inner{ grid-template-columns:1fr; gap:30px; }
  .hero-float{ display:none; }
}
@media (max-width:560px){
  .container{ padding-inline:18px; }
  .svc-grid{ grid-template-columns:1fr; }
  .svc.featured{ grid-column:span 1; }
  .spec-grid{ grid-template-columns:1fr 1fr; }
  .spec.wide{ grid-column:span 2; }
  .why-grid{ grid-template-columns:1fr; }
  .proc-rail{ grid-template-columns:1fr 1fr; }
  .field-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .hero-stats{ gap:22px; }
  .brand small{ display:none; }
}

/* ============================================================
   HELLES THEME — Elevation, Blueprint-Grid & Feinschliff
   ============================================================ */
.nav.scrolled{ box-shadow:0 1px 0 var(--hairline), var(--shadow-sm); }
.svc, .spec, .why, .form-card, .bauform{ box-shadow:var(--shadow-sm); }
.svc.featured{ box-shadow:var(--shadow-md); }
.svc:hover{ box-shadow:var(--shadow-md); }
.media-frame, .board-card, .video-frame, .cta-wrap{ box-shadow:var(--shadow-lift); }
.btn--primary{ box-shadow:0 1px 2px rgba(18,38,64,.14); }
.btn--primary:hover{ box-shadow:0 6px 18px -6px var(--primary-glow); }
.chip{ box-shadow:var(--shadow-sm); }
.media-frame::after{ background:linear-gradient(200deg, transparent 55%, rgba(10,20,35,.34)); }

/* dezentes Blueprint-Raster im Hero */
.hero{
  background-color:var(--canvas);
  background-image:
    linear-gradient(rgba(20,86,143,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,86,143,.045) 1px, transparent 1px);
  background-size:36px 36px, 36px 36px;
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(120% 80% at 50% 0%, transparent 60%, var(--canvas));
}

/* Marquee dezent */
.marquee{ background:var(--surface-2); }
.marquee-item{ color:var(--ink-subtle); }

/* Board-Card: heller Rahmen + komplexe Platine als Bild + dezenter Scan */
.board-card{ background:var(--surface-1); }
.board-card img{ width:100%; height:100%; object-fit:cover; display:block; }
.board-card video, .board-card .board-video{ width:100%; height:100%; object-fit:cover; display:block; }
.board-card .glass{ background:var(--surface-glass); }
.board-card .scanline{ position:absolute; left:0; right:0; top:-40%; height:34%; z-index:1; pointer-events:none;
  background:linear-gradient(180deg, transparent, rgba(79,148,214,.15), transparent); animation:scan 6s var(--ease) infinite; }
@keyframes scan{ 0%{ top:-40% } 100%{ top:112% } }

/* Video-Overlay auf hellem Theme abschwächen */
.video-frame::after{ box-shadow:inset 0 0 90px rgba(18,38,64,.18); }

/* ============================================================
   INTERAKTIVER 3D-FERTIGUNGSPROZESS
   ============================================================ */
.pcb3d-wrap{ margin-top:10px; }
.pcb3d-stage{ position:relative; border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--hairline-strong);
  box-shadow:var(--shadow-lift); aspect-ratio:16/9;
  background:radial-gradient(120% 110% at 50% -10%, #ffffff, #e6ebf1 62%, #d9e1eb); }
/* Video-Prozess-Bühne */
.proc-stage{ background:#0a0e14; }
.proc-video{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; background:#0a0e14; }
#pcb3d{ position:absolute; inset:0; width:100%; height:100%; touch-action:none; }
#pcb3d canvas{ width:100% !important; height:100% !important; display:block; }
.pcb3d-fallback{ position:absolute; inset:0; width:100%; height:100%; object-fit:contain; padding:5%; opacity:.92; }
#pcb3d.ready .pcb3d-fallback{ display:none; }
.pcb3d-hint{ position:absolute; right:16px; top:16px; z-index:3; display:flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--ink-subtle); background:var(--surface-glass);
  backdrop-filter:blur(8px); border:1px solid var(--hairline); border-radius:var(--r-pill); padding:7px 13px; box-shadow:var(--shadow-sm); }
.pcb3d-hint svg{ width:15px; height:15px; color:var(--primary); }
.pcb3d-caption{ position:absolute; left:16px; bottom:16px; z-index:3; max-width:min(54%,430px); display:flex; gap:12px; align-items:flex-start;
  background:rgba(9,14,20,.40); backdrop-filter:blur(7px); border:1px solid rgba(255,255,255,.15); border-radius:var(--r-md);
  padding:11px 15px; box-shadow:0 10px 26px -12px rgba(0,0,0,.5); }
.pcb3d-num{ font-family:var(--font-display); font-weight:700; font-size:23px; color:#8fbdea; line-height:1; }
.pcb3d-title{ font-family:var(--font-display); font-weight:600; font-size:15.5px; color:#ffffff; letter-spacing:-.01em; }
.pcb3d-desc{ font-size:12.5px; color:rgba(228,235,243,.78); line-height:1.5; margin-top:5px; }
.pcb3d-progress-track{ position:absolute; left:0; right:0; bottom:0; height:3px; background:var(--hairline); z-index:3; }
.pcb3d-progress{ height:100%; width:16%; background:linear-gradient(90deg,var(--primary-dim),var(--primary)); transition:width .6s var(--ease); }
.pcb3d-steps{ display:grid; grid-template-columns:repeat(6,1fr); gap:10px; margin-top:16px; }
.pcb3d-steps button{ font-family:var(--font-body); font-size:13.5px; font-weight:600; color:var(--ink-subtle);
  background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--r-sm); padding:13px 14px; cursor:pointer;
  display:flex; flex-direction:column; gap:7px; align-items:flex-start; text-align:left; transition:.2s var(--ease); box-shadow:var(--shadow-sm); }
.pcb3d-steps button .k{ font-family:var(--font-mono); font-size:11px; font-weight:400; color:var(--ink-tertiary); }
.pcb3d-steps button:hover{ border-color:var(--hairline-strong); color:var(--ink); transform:translateY(-2px); }
.pcb3d-steps button.active{ background:var(--primary); border-color:transparent; color:#fff; box-shadow:0 8px 20px -8px var(--primary-glow); }
.pcb3d-steps button.active .k{ color:rgba(255,255,255,.72); }
@media (max-width:820px){ .pcb3d-steps{ grid-template-columns:repeat(3,1fr); } .pcb3d-stage{ aspect-ratio:4/3; } .pcb3d-caption{ max-width:calc(100% - 36px); } }
@media (max-width:680px){
  .pcb3d-desc{ display:none; }
  .pcb3d-caption{ max-width:calc(100% - 24px); left:12px; bottom:12px; padding:9px 14px; gap:11px; align-items:center; }
  .pcb3d-num{ font-size:19px; } .pcb3d-title{ font-size:14px; }
}
@media (max-width:560px){ .pcb3d-steps{ grid-template-columns:repeat(2,1fr); } .pcb3d-hint{ display:none; } }