/* ===== Local fonts (self-hosted, no external requests) ===== */
@font-face{
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../assets/fonts/inter-variable.woff2') format('woff2');
}
@font-face{
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../assets/fonts/space-grotesk-variable.woff2') format('woff2');
}

/* ===== Tokens ===== */
:root{
  --bg: #0a0e14;
  --bg-alt: #10151d;
  --surface: #131a24;
  --surface-2: #1a2230;
  --line: #232c3a;
  --text: #eef1f6;
  --text-dim: #9aa6b8;
  --accent: #f39200;
  --accent-2: #ffb238;
  --accent-contrast: #16130a;
  --light-bg: #f6f4ee;
  --light-surface: #ffffff;
  --light-text: #14181f;
  --light-text-dim: #5b6472;
  --radius: 18px;
  --radius-sm: 12px;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.5);
  --ease: cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3{font-family: var(--font-head); line-height:1.15; letter-spacing:-0.02em;}
.container{width:100%; max-width:1180px; margin:0 auto; padding:0 24px;}
.container-narrow{max-width:820px;}

/* ===== Progress bar ===== */
.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index:1000; transition: width .1s linear;
}

/* ===== Reveal animation ===== */
.reveal{opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.is-visible{opacity:1; transform: translateY(0);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:15px 30px; border-radius: 999px; font-weight:600; font-size:.95rem;
  border:1px solid transparent; cursor:pointer; transition: all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  box-shadow: 0 10px 30px -8px rgba(243,146,0,.5);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 36px -8px rgba(243,146,0,.65); }
.btn-ghost{
  background: transparent; color: var(--text); border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn-block{ width:100%; }

/* ===== Header ===== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:900;
  padding:18px 0; transition: all .3s var(--ease);
  background: transparent;
}
.site-header.scrolled{
  background: rgba(10,14,20,.85); backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line); padding:12px 0;
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.logo{ display:flex; align-items:center; gap:8px; font-family: var(--font-head); font-weight:700; font-size:1.25rem; }
.logo-bolt{ color: var(--accent); font-size:1.3rem; filter: drop-shadow(0 0 8px rgba(243,146,0,.6)); }
.logo-dot{ color: var(--accent); }
.logo-img{
  height:30px; width:auto; background: var(--light-surface);
  padding:8px 14px; border-radius:10px;
}
.footer-brand .logo-img{ height:26px; }
.main-nav{ display:flex; gap:32px; }
.main-nav a{ font-size:.92rem; font-weight:500; color: var(--text-dim); transition: color .2s; position:relative; }
.main-nav a:hover{ color: var(--text); }
.header-actions{ display:flex; align-items:center; gap:16px; }
.phone-pill{
  display:flex; align-items:center; gap:8px; padding:10px 18px; border-radius:999px;
  background: var(--surface); border:1px solid var(--line); font-weight:600; font-size:.88rem;
  transition: border-color .2s;
}
.phone-pill:hover{ border-color: var(--accent); }
.pulse-dot{
  width:8px; height:8px; border-radius:50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(243,146,0,.7); animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(243,146,0,.6); }
  70%{ box-shadow: 0 0 0 8px rgba(243,146,0,0); }
  100%{ box-shadow: 0 0 0 0 rgba(243,146,0,0); }
}
.burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; cursor:pointer;
}
.burger span{ display:block; width:22px; height:2px; background: var(--text); margin:0 auto; transition: all .3s; }
.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); }

.mobile-nav{
  position:fixed; top:0; right:0; height:100vh; width:min(80vw,320px);
  background: var(--bg-alt); border-left:1px solid var(--line);
  display:flex; flex-direction:column; gap:8px; padding:100px 32px 32px;
  transform: translateX(100%); transition: transform .35s var(--ease); z-index:850;
}
.mobile-nav.open{ transform: translateX(0); }
.mobile-nav a{ font-size:1.1rem; font-weight:600; padding:12px 0; border-bottom:1px solid var(--line); }
.mobile-call{ margin-top:16px; text-align:center; background: var(--accent); color: var(--accent-contrast); border-radius:999px; border:none !important; padding:14px; }

/* ===== Hero ===== */
.hero{
  --mx: 0; --my: 0;
  position:relative; min-height:100svh; display:flex; align-items:center;
  padding:140px 0 80px; overflow:hidden;
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 10%, transparent 70%);
}
.hero-glow{
  position:absolute; top:-10%; right:-10%; width:60%; height:60%;
  background: radial-gradient(circle, rgba(243,146,0,.18), transparent 70%);
  filter: blur(10px);
  transform: translate(calc(var(--mx) * 50px), calc(var(--my) * 50px));
  transition: transform .25s ease-out;
}
.circuit-svg{
  position:absolute; inset:0; width:100%; height:100%; opacity:.5;
  transform: translate(calc(var(--mx) * -24px), calc(var(--my) * -24px));
  transition: transform .3s ease-out;
}
.circuit-path{
  fill:none; stroke: var(--accent); stroke-width:1.5; stroke-linecap:round;
  stroke-dasharray: 6 10; opacity:.35; animation: dash 12s linear infinite;
}
.circuit-path--2{ stroke: #6ea8ff; animation-duration:16s; animation-direction:reverse; }
@keyframes dash{ to{ stroke-dashoffset: -400; } }
.circuit-node{ fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent)); }

.hero-wrap{
  position:relative; z-index:2; display:grid;
  grid-template-columns: 1.15fr 0.85fr; gap:32px; align-items:center;
}
.hero-content{ max-width:640px; }

.hero-visual{ position:relative; height:460px; justify-self:center; width:100%; max-width:420px; }
.hero-visual-blob{
  position:absolute; top:10%; left:10%; width:80%; height:80%; border-radius:50%;
  background: radial-gradient(circle, rgba(243,146,0,.25), transparent 70%);
  filter: blur(20px);
}
.hero-photo{
  position:absolute; border-radius: var(--radius); object-fit:cover;
  box-shadow: var(--shadow); border:4px solid var(--bg);
}
.hero-photo--back{
  width:62%; aspect-ratio:4/5; top:0; right:0;
  transform: rotate(4deg); z-index:1; filter: saturate(.9);
}
.hero-photo--front{
  width:64%; aspect-ratio:4/5; bottom:0; left:0;
  transform: rotate(-3deg); z-index:2;
}
.hero-badge{
  position:absolute; bottom:14px; right:6%; z-index:3; max-width:220px;
  display:flex; align-items:center; gap:10px; padding:12px 16px; border-radius:14px;
  background: rgba(19,26,36,.85); backdrop-filter: blur(10px); border:1px solid var(--line);
  font-size:.8rem; font-weight:600; box-shadow: var(--shadow);
}
.hero-badge-dot{
  width:9px; height:9px; border-radius:50%; background: var(--accent); flex-shrink:0;
  box-shadow: 0 0 0 0 rgba(243,146,0,.7); animation: pulse 2s infinite;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:.85rem; font-weight:600;
  color: var(--accent); background: rgba(243,146,0,.1); border:1px solid rgba(243,146,0,.3);
  padding:8px 16px; border-radius:999px; margin-bottom:24px;
}
.hero h1{ font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight:700; margin-bottom:24px; }
.text-gradient{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{ font-size:1.15rem; color: var(--text-dim); max-width:600px; margin-bottom:36px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:56px; }

.trust-strip{ display:flex; gap:40px; flex-wrap:wrap; border-top:1px solid var(--line); padding-top:28px; }
.trust-item{ display:flex; flex-direction:column; gap:2px; }
.trust-item strong{ font-family: var(--font-head); font-size:1.4rem; color: var(--accent); }
.trust-item span{ font-size:.82rem; color: var(--text-dim); }

/* ===== Stats band ===== */
.stats-band{
  position:relative; padding:56px 0; overflow:hidden;
  background: linear-gradient(135deg, var(--surface), var(--bg-alt));
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; text-align:center; position:relative; z-index:1; }
.stat-num{
  display:block; font-family: var(--font-head); font-weight:700;
  font-size: clamp(2.1rem, 4vw, 3rem); color: var(--accent); line-height:1;
  margin-bottom:8px;
}
.stat-label{ color: var(--text-dim); font-size:.88rem; }

/* ===== Sections ===== */
.section{ padding:120px 0; }
.section-alt{ background: var(--bg-alt); }
.bg-grid{ position:relative; }
.bg-grid::before{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 0%, black, transparent 75%);
}
.bg-grid > .container{ position:relative; z-index:1; }
.section-eyebrow{
  color: var(--accent); font-weight:700; font-size:.82rem; letter-spacing:.08em;
  text-transform:uppercase; margin-bottom:14px;
}
.section-title{ font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight:700; margin-bottom:20px; max-width:700px; }
.section-lead{ color: var(--text-dim); font-size:1.05rem; max-width:640px; margin-bottom:56px; }

/* ===== Cards grid (Leistungen) ===== */
.cards-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:24px; }
.card{
  position:relative;
  background: var(--surface); border:1px solid var(--line); border-radius: var(--radius);
  padding:32px; transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.card:hover{ border-color: rgba(243,146,0,.4); background: var(--surface-2); }
.cards-grid .card:nth-child(1){ transition-delay: 0s; }
.cards-grid .card:nth-child(2){ transition-delay: .08s; }
.cards-grid .card:nth-child(3){ transition-delay: .16s; }
.cards-grid .card:nth-child(4){ transition-delay: .24s; }
.cards-grid .card:nth-child(5){ transition-delay: .32s; }
.cards-grid .card:nth-child(6){ transition-delay: .4s; }
.card-icon{
  width:56px; height:56px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background: rgba(243,146,0,.1); color: var(--accent); margin-bottom:20px;
}
.card-icon svg{ width:28px; height:28px; }
.card h3{ font-size:1.15rem; margin-bottom:10px; }
.card p{ color: var(--text-dim); font-size:.95rem; }

/* ===== Steps (Ablauf) ===== */
.steps{ display:grid; grid-template-columns: repeat(5,1fr); gap:20px; }
.step{ position:relative; padding:28px 20px; border-radius: var(--radius); background: var(--surface); border:1px solid var(--line); }
.step-num{ font-family: var(--font-head); font-size:2rem; font-weight:700; color: var(--accent); opacity:.5; margin-bottom:14px; }
.step h3{ font-size:1.05rem; margin-bottom:8px; }
.step p{ color: var(--text-dim); font-size:.9rem; }
.steps .step:nth-child(1){ transition-delay: 0s; }
.steps .step:nth-child(2){ transition-delay: .08s; }
.steps .step:nth-child(3){ transition-delay: .16s; }
.steps .step:nth-child(4){ transition-delay: .24s; }
.steps .step:nth-child(5){ transition-delay: .32s; }

/* ===== Team ===== */
.team-features{ display:flex; flex-direction:column; gap:72px; margin-top:56px; }
.team-feature{ display:flex; align-items:center; gap:52px; }
.team-feature--reverse{ flex-direction:row-reverse; }
.team-feature-photo{ position:relative; flex:0 0 320px; transition: transform .3s var(--ease); will-change: transform; }
.team-feature-photo img{
  width:100%; aspect-ratio:4/5; object-fit:cover; object-position: top center;
  border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .4s var(--ease);
  will-change: transform;
}
.team-feature-quote{
  position:absolute; bottom:-18px; left:-18px; z-index:1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-contrast);
  padding:12px 20px; border-radius:14px; font-weight:700; font-style:italic; font-size:.95rem;
  box-shadow: 0 14px 28px -10px rgba(243,146,0,.55); max-width:220px;
}
.team-feature--reverse .team-feature-quote{ left:auto; right:-18px; }
.team-feature-text{ flex:1; min-width:0; }
.team-feature-role{
  color: var(--accent); font-weight:700; font-size:.8rem;
  letter-spacing:.06em; text-transform:uppercase;
}
.team-feature-text h3{ font-size:1.7rem; margin:10px 0 14px; }
.team-feature-text p{ color: var(--text-dim); font-size:1rem; max-width:440px; }

/* ===== FAQ ===== */
.faq-list{ display:flex; flex-direction:column; gap:14px; }
.faq-item{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-sm); overflow:hidden; }
.faq-question{
  width:100%; text-align:left; background:none; border:none; color: var(--text);
  font-family: var(--font-body); font-weight:600; font-size:1rem; padding:20px 24px;
  display:flex; align-items:center; justify-content:space-between; cursor:pointer; gap:16px;
}
.faq-icon{ font-size:1.4rem; color: var(--accent); transition: transform .3s var(--ease); flex-shrink:0; }
.faq-item.open .faq-icon{ transform: rotate(45deg); }
.faq-answer{ max-height:0; overflow:hidden; transition: max-height .35s var(--ease); }
.faq-answer p{ padding:0 24px 22px; color: var(--text-dim); font-size:.95rem; }
.faq-list .faq-item:nth-child(1){ transition-delay: 0s; }
.faq-list .faq-item:nth-child(2){ transition-delay: .06s; }
.faq-list .faq-item:nth-child(3){ transition-delay: .12s; }
.faq-list .faq-item:nth-child(4){ transition-delay: .18s; }
.faq-list .faq-item:nth-child(5){ transition-delay: .24s; }

/* ===== Partner marquee ===== */
.marquee{
  overflow:hidden; width:100%;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track{
  display:flex; gap:20px; width:max-content;
  animation: marquee-scroll 32s linear infinite;
}
.marquee:hover .marquee-track{ animation-play-state: paused; }
@keyframes marquee-scroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
.marquee-item{
  flex:0 0 auto; display:flex; align-items:center; gap:16px;
  background: var(--light-surface); border-radius: var(--radius-sm);
  padding:16px 26px; min-width:250px; border:1px solid transparent;
  transition: border-color .2s, transform .2s var(--ease);
}
a.marquee-item:hover{ border-color: rgba(243,146,0,.5); transform: translateY(-3px); }
.marquee-item img{ height:38px; width:auto; max-width:120px; object-fit:contain; }
.marquee-item span{ color: var(--light-text-dim); font-size:.85rem; font-weight:600; white-space:nowrap; }

.knx-badge{
  position:absolute; top:20px; right:20px; width:52px; height:52px;
  background: var(--light-surface); border-radius:10px; padding:6px;
  display:flex; align-items:center; justify-content:center;
}
.knx-badge img{ width:100%; height:100%; object-fit:contain; }

/* ===== Kontakt ===== */
.contact-grid{ display:grid; grid-template-columns: 1.2fr 1fr; gap:40px; align-items:start; }
.contact-form{
  background: var(--surface); border:1px solid var(--line); border-radius: var(--radius);
  padding:36px; display:flex; flex-direction:column; gap:18px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:.85rem; font-weight:600; color: var(--text-dim); }
.form-row input, .form-row textarea{
  background: var(--bg); border:1px solid var(--line); border-radius: var(--radius-sm);
  padding:13px 16px; color: var(--text); font-family: var(--font-body); font-size:.95rem;
  resize: vertical; transition: border-color .2s;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color: var(--accent); }
.form-row-check input{ max-width:120px; }
.form-row-hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-note{ font-size:.88rem; color: var(--accent); min-height:1.2em; }

.contact-info{ display:flex; flex-direction:column; gap:18px; }
.info-block{
  background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-sm);
  padding:20px 22px; font-weight:500;
}
.info-block a:hover{ color: var(--accent); }
.map-frame{
  position:relative; border-radius: var(--radius); overflow:hidden;
  border:1px solid var(--line); height:260px; background: var(--surface-2);
}
.map-frame iframe{ width:100%; height:100%; border:0; filter: invert(92%) hue-rotate(180deg) contrast(90%); }
.map-consent{
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center;
  justify-content:center; text-align:center; gap:16px; padding:24px;
  background:
    linear-gradient(rgba(19,26,36,.75), rgba(19,26,36,.75)),
    repeating-linear-gradient(45deg, var(--surface), var(--surface) 10px, var(--surface-2) 10px, var(--surface-2) 20px);
}
.map-consent p{ color: var(--text-dim); font-size:.85rem; max-width:320px; }

/* ===== Footer ===== */
.site-footer{ background: var(--bg-alt); border-top:1px solid var(--line); padding:36px 0; padding-bottom:110px; }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
.footer-brand{ display:flex; align-items:center; gap:8px; font-family: var(--font-head); font-weight:700; }
.footer-nav{ display:flex; gap:24px; }
.footer-nav a{ color: var(--text-dim); font-size:.9rem; }
.footer-nav a:hover{ color: var(--accent); }
.footer-copy{ color: var(--text-dim); font-size:.82rem; }

/* ===== Mobile CTA bar ===== */
.mobile-cta-bar{
  display:none; position:fixed; bottom:0; left:0; right:0; z-index:800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-contrast);
  text-align:center; font-weight:700; padding:16px; font-size:.95rem;
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .cards-grid{ grid-template-columns: repeat(2,1fr); }
  .steps{ grid-template-columns: repeat(3,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
  .hero-wrap{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; height:340px; max-width:320px; margin:0 auto 16px; }
  .hero-content{ max-width:100%; }
  .stats-grid{ grid-template-columns: repeat(2,1fr); gap:32px; }
  .team-feature, .team-feature--reverse{ flex-direction:column; gap:32px; }
  .team-feature-photo{ flex-basis:auto; width:100%; max-width:320px; }
}
@media (max-width: 768px){
  .main-nav{ display:none; }
  .phone-pill{ display:none; }
  .burger{ display:flex; }
  .cards-grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns: repeat(2,1fr); }
  .section{ padding:80px 0; }
  .mobile-cta-bar{ display:block; }
  .site-footer{ padding-bottom:100px; }
  .hero-visual{ height:280px; max-width:260px; }
  .stats-grid{ grid-template-columns: repeat(2,1fr); }
  .marquee-item{ min-width:200px; padding:14px 20px; }
}