/* ---------- Lokale Schriften (DSGVO-konform, kein Google) ---------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/poppins-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/poppins-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('assets/fonts/poppins-800.woff2') format('woff2');
}

/* ---------- Design tokens ---------- */
:root {
  --color-dark: #12161c;
  --color-dark-2: #1c222b;
  --color-accent: #12161c;
  --color-accent-dark: #000000;
  --color-accent-light: #eef0f3;
  --color-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #12161c;
  --color-text-muted: #5b6472;
  --color-border: #e4e8ee;

  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(18, 22, 28, 0.06);
  --shadow-md: 0 12px 32px rgba(18, 22, 28, 0.10);
  --shadow-lg: 0 24px 60px rgba(18, 22, 28, 0.16);
  --container-w: none;
  --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; margin: 0 0 .6em; color: var(--color-dark); }
p { margin: 0 0 1em; color: var(--color-text-muted); }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-accent); color: #fff; padding: 10px 16px; z-index: 200;
}
.skip-link:focus { left: 10px; top: 10px; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(24px, 4vw, 80px);
}

.section { padding: 96px 0; }
@media (max-width: 720px) { .section { padding: 64px 0; } }

.eyebrow {
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .8em;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-lead { color: var(--color-text-muted); max-width: 620px; }
.center { text-align: center; margin-inline: auto; }

.text-accent {
  color: var(--color-dark);
  text-decoration: underline;
  text-decoration-thickness: 5px;
  text-underline-offset: 7px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(18, 22, 28, .25);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-dark); transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 9px 20px; font-size: .85rem; }
.btn-block { width: 100%; }

.icon-check {
  width: 18px; height: 18px; flex: none;
  fill: none; stroke: var(--color-accent); stroke-width: 3;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 112px;
}

.logo { display: flex; align-items: center; color: var(--color-dark); }
.logo-full { height: 96px; width: auto; display: block; }

html { scroll-padding-top: 130px; }

.main-nav ul { display: flex; align-items: center; gap: 32px; }
.main-nav a:not(.btn) {
  font-weight: 500;
  color: var(--color-dark);
  position: relative;
  padding: 4px 0;
}
.main-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--color-accent); transition: right var(--transition);
}
.main-nav a:not(.btn):hover::after { right: 0; }

.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--color-dark);
  transition: transform var(--transition), opacity var(--transition);
  margin-inline: auto;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .header-inner { height: 92px; }
  .logo-full { height: 76px; }
  html { scroll-padding-top: 110px; }
  .main-nav {
    position: fixed; top: 92px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 20px 24px; gap: 18px; }
  .main-nav .btn { align-self: flex-start; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 195px 0 100px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, #fff 100%);
  position: relative;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-lead { font-size: 1.1rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 32px 0; }
.hero-trust { display: flex; gap: 24px; flex-wrap: wrap; }
.hero-trust li { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--color-text-muted); font-weight: 500; }

.hero-visual { position: relative; height: 420px; }
.hero-photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  clip-path: polygon(15% 0, 100% 0, 100% 85%, 85% 100%, 0 100%, 0 15%);
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  z-index: 2;
}
.hero-card-1 {
  top: 12%; left: -6%;
  width: 200px;
  display: flex; align-items: center; gap: 12px;
}
.hero-card-1 svg { width: 32px; height: 32px; color: var(--color-accent); flex: none; }
.hero-card-1 p { margin: 0; font-weight: 600; color: var(--color-dark); font-size: .9rem; }
.hero-card-2 {
  bottom: 10%; right: -4%;
  display: flex; flex-direction: column; gap: 2px;
  text-align: center;
}
.hero-card-2 strong { font-family: var(--font-heading); font-size: 2rem; color: var(--color-accent); }
.hero-card-2 span { font-size: .8rem; color: var(--color-text-muted); font-weight: 500; }

@media (max-width: 900px) {
  .hero { padding: 140px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 260px; order: -1; margin-bottom: 8px; }
  .hero-card-1 { left: 0; }
  .hero-card-2 { right: 0; }
}

/* ---------- Stats ---------- */
.stats { background: var(--color-dark); padding: 48px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.stat strong { display: block; font-family: var(--font-heading); font-size: 2rem; color: #fff; }
.stat span { color: #b7bfca; font-size: .9rem; }
@media (max-width: 720px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Services ---------- */
.services { background: var(--color-bg); }
.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--color-accent-dark); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 1.1rem; margin-bottom: .5em; }
.service-card p { margin: 0; font-size: .93rem; }

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- About ---------- */
.about { background: var(--color-bg-alt); }
.about-inner {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center;
}
.about-visual { position: relative; height: 380px; }
.about-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.about-badge {
  position: absolute; bottom: -24px; right: -18px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 14px 18px;
}
.about-badge-logo { width: 110px; height: auto; color: var(--color-dark); display: block; }
.checklist { margin: 24px 0 32px; display: grid; gap: 14px; }
.checklist li { display: flex; align-items: center; gap: 10px; font-weight: 500; color: var(--color-dark); }

@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-visual { height: 260px; margin-bottom: 28px; }
  .about-badge { right: 8px; bottom: -20px; }
  .about-badge-logo { width: 84px; }
}

/* ---------- Process ---------- */
.process-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.process-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.step-number {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}
@media (max-width: 860px) { .process-grid { grid-template-columns: 1fr; } }

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
}
.cta-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.cta-banner::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(18,22,28,.92) 20%, rgba(18,22,28,.65) 100%);
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-inner p { color: #cfd6de; max-width: 520px; margin-inline: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.cta-actions .btn-primary {
  background: #fff;
  color: var(--color-dark);
  box-shadow: none;
}
.cta-actions .btn-primary:hover { background: #e6e9ed; }
.btn-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.btn-light:hover { background: rgba(255,255,255,.15); border-color: #fff; transform: translateY(-2px); }

/* ---------- Kunden-Referenzen ---------- */
.clients-row { text-align: center; margin: 36px 0 48px; }
.clients-label {
  color: #b7bfca;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.clients-chips { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.client-chip {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff;
  padding: 16px 30px;
  border-radius: var(--radius-sm);
  min-height: 88px;
}
.client-chip img { height: 46px; width: auto; display: block; }
a.client-chip { transition: transform var(--transition), box-shadow var(--transition); }
a.client-chip:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* ---------- Testimonials ---------- */
.testimonials { background: var(--color-dark); color: #fff; }
.testimonials .eyebrow { color: #b7bfca; }
.testimonials .section-title { color: #fff; }
.testimonials-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: var(--color-dark-2);
  border-radius: var(--radius);
  padding: 28px;
  margin: 0;
}
.testimonial p { color: #dbe1e8; font-style: italic; margin-bottom: 1.2em; }
.testimonial footer { color: #fff; font-weight: 600; font-size: .9rem; }
@media (max-width: 860px) { .testimonials-grid { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */
.contact { background: var(--color-bg); }
.contact-inner {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px;
}
.contact-list { margin-top: 28px; display: grid; gap: 18px; }
.contact-list li { display: flex; align-items: center; gap: 14px; font-weight: 500; }
.contact-list svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--color-accent); stroke-width: 1.8; }
.contact-list span { display: flex; flex-direction: column; }
.contact-list a:hover { color: var(--color-accent); }
.contact-list small { color: var(--color-text-muted); font-weight: 400; font-size: .8rem; }

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 18px;
}
.form-row { display: grid; gap: 6px; }
.form-row label { font-size: .85rem; font-weight: 600; color: var(--color-dark); }
.form-row input, .form-row select, .form-row textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.form-status { margin: 0; min-height: 1.2em; font-size: .9rem; font-weight: 600; color: var(--color-accent-dark); }

@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-dark); color: #b7bfca; padding: 48px 0 16px; }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 24px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
}
.footer-logo .logo-full { height: 72px; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a:hover, .footer-legal a:hover { color: #fff; }
.footer-legal { display: flex; gap: 20px; }
.footer-copy { text-align: center; font-size: .82rem; margin: 20px 0 0; color: #6d7686; }

/* ---------- Floating action button (mobile) ---------- */
.fab {
  display: none;
  position: fixed; bottom: 20px; right: 20px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-accent); color: #fff;
  border: 2px solid rgba(255,255,255,.85);
  align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.fab svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }
@media (max-width: 720px) { .fab { display: flex; } }

/* ---------- Legal pages (Impressum / Datenschutz) ---------- */
.legal-page { padding: 175px 0 80px; }
.legal-page h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 1em; }
.legal-page h2 { font-size: 1.15rem; margin-top: 2em; }
.legal-page a { color: var(--color-accent-dark); text-decoration: underline; }
.legal-page .container { max-width: 800px; }
.site-footer .footer-copy a { color: #b7bfca; text-decoration: underline; }
.site-footer .footer-copy a:hover { color: #fff; }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}