/* ===== AD Gutachten – statischer Nachbau ===== */
:root {
  --bg: #020617;
  --bg-alt: #04121c;
  --panel: #0f172a;
  --panel-2: #1e293b;
  --line: rgba(148, 163, 184, 0.15);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #06b6d4;
  --accent-dark: #0891b2;
  --accent-soft: #a5f3fc;
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

img, svg { display: block; }

a { color: inherit; text-decoration: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #04121c;
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(34, 211, 238, 0.5); }
.btn-ghost {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-dark { background: #04121c; color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(2, 6, 23, 0.4); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(2, 6, 23, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.site-header.scrolled {
  background: rgba(2, 6, 23, 0.92);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark-img {
  width: 34px; height: 34px; object-fit: contain; border-radius: 6px;
}
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 28px;
  font-size: 15px; font-weight: 900; font-style: italic; letter-spacing: 1px;
  color: transparent;
  background: linear-gradient(135deg, #0ea5e9, var(--accent));
  -webkit-background-clip: text; background-clip: text;
  transform: skewX(-8deg);
}
.brand-text { font-size: 15px; letter-spacing: 2px; color: #fff; text-transform: uppercase; }
.brand-text-plain { font-size: 16px; color: #fff; }

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav > a:not(.btn) { font-size: 14px; color: var(--text); transition: color 0.2s; }
.main-nav > a:not(.btn):hover { color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 150px 0 110px;
  text-align: center;
  background:
    radial-gradient(700px 400px at 15% 15%, rgba(6, 182, 212, 0.16), transparent 65%),
    radial-gradient(700px 420px at 85% 75%, rgba(14, 165, 233, 0.13), transparent 65%),
    linear-gradient(180deg, #04121c 0%, var(--bg) 100%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.hero-glow-1 { width: 480px; height: 480px; top: -140px; left: -120px; background: rgba(34, 211, 238, 0.12); }
.hero-glow-2 { width: 520px; height: 520px; bottom: -180px; right: -140px; background: rgba(8, 145, 178, 0.14); }
.hero-inner { position: relative; z-index: 1; }

.hero-logo { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 20px; }
.hero-logo-img { width: 56px; height: 56px; object-fit: contain; border-radius: 10px; }
.hero-logo-mark {
  font-size: 44px; font-weight: 900; font-style: italic; letter-spacing: 2px;
  color: transparent;
  background: linear-gradient(135deg, #0ea5e9, var(--accent));
  -webkit-background-clip: text; background-clip: text;
  transform: skewX(-8deg);
}
.hero-logo-text {
  font-size: 38px; font-weight: 800; letter-spacing: 4px; color: #fff;
}
.hero-logo-text::first-letter { color: #fff; }

.hero h1 {
  font-size: clamp(38px, 6vw, 58px);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.45);
  margin-bottom: 10px;
}
.hero-sub { font-size: 19px; font-weight: 600; color: var(--text); margin-bottom: 22px; }

.hero-badge {
  display: inline-block;
  padding: 8px 22px;
  border: 1px solid rgba(34, 211, 238, 0.5);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-soft);
  background: rgba(34, 211, 238, 0.06);
  margin-bottom: 28px;
}

.hero-text { max-width: 620px; margin: 0 auto 32px; color: var(--muted); font-size: 16px; }

.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; max-width: 840px; margin: 0 auto; }
.hero-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 18px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: border-color 0.25s, transform 0.25s;
}
.hero-card:hover { border-color: rgba(34, 211, 238, 0.5); transform: translateY(-3px); }
.hc-icon svg, .cc-icon svg, .sc-icon svg, .ec-icon svg, .ac-icon svg {
  width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.hc-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.hc-value { font-size: 14px; font-weight: 600; color: #fff; }
.hc-value.accent, .accent { color: var(--accent); }

/* ===== Sections ===== */
.section { padding: 96px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: #fff; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 16px; }

.grad {
  color: transparent;
  background: linear-gradient(90deg, var(--accent), #0ea5e9);
  -webkit-background-clip: text; background-clip: text;
}
.grad-violet { background: linear-gradient(90deg, var(--accent), #818cf8); -webkit-background-clip: text; background-clip: text; }

/* ===== Leistungen ===== */
.services-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.service-card {
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.55), rgba(15, 23, 42, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  display: flex; flex-direction: column;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.service-card:hover {
  border-color: rgba(34, 211, 238, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(2, 6, 23, 0.6);
}
.sc-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-bottom: 18px;
}
.service-card h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
.service-card > p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.service-card ul { list-style: none; margin-bottom: 20px; flex: 1; }
.service-card li { position: relative; padding-left: 20px; font-size: 13.5px; color: var(--text); margin-bottom: 8px; }
.service-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.more { font-size: 14px; font-weight: 600; color: var(--accent); transition: color 0.2s; }
.more:hover { color: var(--accent-soft); }

/* ===== Qualifikationen ===== */
.expertise-grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.expertise-left { text-align: center; }
.exp-badge {
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 30px 44px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(8, 145, 178, 0.25), rgba(15, 23, 42, 0.8));
  border: 1px solid rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 45px rgba(34, 211, 238, 0.25);
  margin-bottom: 26px;
}
.exp-since { font-size: 12px; letter-spacing: 4px; text-transform: uppercase; color: var(--accent-soft); font-weight: 700; }
.exp-year {
  font-size: 52px; font-weight: 800;
  color: transparent;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  -webkit-background-clip: text; background-clip: text;
}
.exp-label { font-size: 14px; color: #fff; }
.expertise-left > p { color: var(--muted); font-size: 15px; text-align: left; }

.expertise-right { display: flex; flex-direction: column; gap: 18px; }
.exp-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.exp-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.25s, transform 0.25s;
}
.exp-card:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-3px); }
.ec-icon {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 11px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.exp-card h4 { font-size: 15.5px; color: #fff; margin-bottom: 6px; }
.exp-card p { font-size: 13.5px; color: var(--muted); }

/* ===== Über uns ===== */
.about-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.about-card {
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.25s, transform 0.25s;
}
.about-card:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-4px); }
.ac-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-bottom: 16px;
}
.about-card h3 { font-size: 17px; color: #fff; margin-bottom: 8px; }
.about-card p { font-size: 14px; color: var(--muted); }

/* ===== CTA Band ===== */
.cta-band {
  padding: 84px 0;
  text-align: center;
  background:
    radial-gradient(900px 400px at 80% 20%, rgba(165, 243, 252, 0.28), transparent 60%),
    linear-gradient(110deg, #0891b2 0%, #06b6d4 45%, #22d3ee 100%);
  color: #fff;
}
.cta-band h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; margin-bottom: 16px; }
.cta-band p { max-width: 700px; margin: 0 auto 30px; font-size: 16px; color: rgba(255, 255, 255, 0.92); }

/* ===== Ablauf ===== */
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.process-step {
  text-align: center;
  background: linear-gradient(160deg, rgba(30, 41, 59, 0.45), rgba(15, 23, 42, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 26px;
  transition: border-color 0.25s, transform 0.25s;
}
.process-step:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-4px); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121c; font-size: 22px; font-weight: 800;
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
  margin-bottom: 20px;
}
.process-step h3 { font-size: 18px; color: #fff; margin-bottom: 10px; }
.process-step p { font-size: 14px; color: var(--muted); }

/* ===== Einsatzgebiet ===== */
.area-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.area-chip {
  padding: 12px 26px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--line);
  font-size: 15px; font-weight: 600; color: var(--text);
  transition: border-color 0.25s, color 0.25s;
}
.area-chip:hover { border-color: rgba(34, 211, 238, 0.5); color: var(--accent); }
.area-chip.primary {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.5);
  color: var(--accent);
}

/* ===== Kontakt ===== */
.contact {
  background:
    radial-gradient(700px 400px at 12% 20%, rgba(6, 182, 212, 0.12), transparent 60%),
    radial-gradient(700px 420px at 90% 80%, rgba(14, 165, 233, 0.1), transparent 60%),
    var(--bg);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 32px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex; align-items: center; gap: 16px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.25s;
}
.contact-card:hover { border-color: rgba(34, 211, 238, 0.45); }
.cc-icon {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.cc-label { display: block; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.cc-value { display: block; font-size: 15px; font-weight: 600; color: #fff; line-height: 1.45; }

.hours-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.hours-card .cc-label { margin-bottom: 12px; }
.hours-row { display: flex; justify-content: space-between; font-size: 14px; padding: 7px 0; border-top: 1px solid var(--line); }
.hours-row:first-of-type { border-top: none; }
.hours-row span { color: var(--muted); }
.hours-row strong { color: #fff; }
.hours-row strong.accent { color: var(--accent); }

.contact-form {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(2, 6, 23, 0.6);
}
.contact-form h3 { font-size: 20px; color: #fff; margin-bottom: 22px; }
.contact-form label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  padding: 12px 14px;
  margin-bottom: 18px;
  transition: border-color 0.2s;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #64748b; }
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form textarea { resize: vertical; }
.form-note { margin-top: 14px; text-align: center; font-size: 12px; color: var(--muted); }
.form-note a { color: var(--accent); text-decoration: underline; }
.form-success { margin-top: 14px; text-align: center; font-size: 14px; color: var(--accent); font-weight: 600; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); background: #010409; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 48px; }
.footer-brand p { margin-top: 14px; font-size: 13.5px; color: var(--muted); max-width: 240px; }
.footer-col h4 { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 9px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 22px; padding-bottom: 22px;
  font-size: 12.5px; color: var(--muted);
}
.footer-bottom nav { display: flex; gap: 22px; }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Scroll-Reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start;
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 20px 24px; gap: 18px;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 120px 0 80px; }
  .hero-logo-mark { font-size: 32px; }
  .hero-logo-text { font-size: 26px; letter-spacing: 3px; }
  .hero-cards, .services-grid, .about-grid, .process-grid, .exp-row { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}