:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f5;
  --bg-dark: #0a0a0a;
  --bg-darker: #000000;
  --text: #0a0a0a;
  --text-soft: #555555;
  --text-muted: #999999;
  --text-on-dark: #ffffff;
  --text-on-dark-soft: #b5b5b5;
  --accent: #ff3d57;
  --accent-glow: rgba(255, 61, 87, 0.18);
  --border: #e5e5e5;
  --border-dark: #1a1a1a;
  --radius: 4px;
  --radius-lg: 14px;
  --transition: 220ms cubic-bezier(.2,.7,.2,1);
  --max: 1240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
h1 { font-size: clamp(2.6rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); margin-bottom: 1rem; }
h3 { font-size: 1.4rem; line-height: 1.2; margin-bottom: .5rem; }
p { color: var(--text-soft); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.brand .dot {
  width: 9px; height: 9px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 3px;
}
.nav { display: flex; gap: 36px; align-items: center; }
.nav a {
  font-size: .92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: 0;
  border: 1px solid var(--bg-dark);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--text); }
.btn-outline:hover { background: var(--text); color: #fff; }
.btn-light { background: #fff; color: var(--text); border-color: #fff; }
.btn-light:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-arrow::after { content: '→'; font-size: 1.05rem; transition: transform var(--transition); }
.btn-arrow:hover::after { transform: translateX(4px); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.5rem; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px;
    gap: 14px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
  }
  .nav.open { transform: translateY(0); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 120px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 50%; left: 70%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; max-width: 920px; margin-bottom: 32px; }
.hero h1 .accent { color: var(--accent); }
.hero p.lead {
  font-size: 1.2rem;
  color: var(--text-on-dark-soft);
  max-width: 620px;
  margin-bottom: 40px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.eyebrow::before {
  content: '';
  width: 22px; height: 1px;
  background: var(--accent);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-dark);
}
.hero-stats .stat .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: #fff;
}
.hero-stats .stat .label { font-size: .9rem; color: var(--text-muted); }

/* ---------- Sections ---------- */
section { padding: 110px 0; }
.section-head { max-width: 760px; margin: 0 auto 64px; }
.section-head.center { text-align: center; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.1rem; }

.bg-soft { background: var(--bg-alt); }
.bg-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.bg-dark h2, .bg-dark h3 { color: #fff; }
.bg-dark p { color: var(--text-on-dark-soft); }

/* ---------- Service grid ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: #fff;
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}
.service-card:hover {
  background: var(--bg-dark);
  color: #fff;
  transform: scale(1.02);
  z-index: 2;
  box-shadow: 0 30px 80px rgba(0,0,0,0.18);
}
.service-card:hover h3 { color: #fff; }
.service-card:hover p { color: var(--text-on-dark-soft); }
.service-card:hover .service-num { color: var(--accent); }
.service-card .service-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .05em;
  margin-bottom: 28px;
  display: block;
}
.service-card p { font-size: .95rem; }
.service-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .04em;
}
.service-card .read-more::after {
  content: '→';
  transition: transform var(--transition);
}
.service-card:hover .read-more::after { transform: translateX(3px); }

/* ---------- Service detail (leistungen page) ---------- */
.service-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }
.service-block .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.service-block h3 { font-size: 1.8rem; margin-bottom: 0; }
.service-block .meta { color: var(--text-muted); font-size: .85rem; margin-top: 14px; }
.service-block ul { list-style: none; }
.service-block ul li {
  position: relative;
  padding: 8px 0 8px 22px;
  color: var(--text-soft);
}
.service-block ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 16px;
  width: 8px; height: 1px;
  background: var(--accent);
}
@media (max-width: 760px) {
  .service-block { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
}

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}
.portfolio-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.10);
  border-color: var(--accent);
}
.portfolio-card .preview {
  aspect-ratio: 16/10;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}
.portfolio-card .preview img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.portfolio-card:hover .preview img { transform: scale(1.05); }
.portfolio-card .body { padding: 24px 28px 28px; }
.portfolio-card .tag {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.portfolio-card h3 { font-size: 1.4rem; margin-bottom: 6px; }
.portfolio-card p { font-size: .92rem; }
.portfolio-card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text);
}
.portfolio-card .link::after { content: '↗'; }
.portfolio-card:hover .link { color: var(--accent); }

/* ---------- Process / steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  counter-reset: step;
}
.process-step { counter-increment: step; }
.process-step .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
}
.process-step .num::before { content: '0' counter(step); }
.process-step h3 { margin-bottom: 8px; }
.process-step p { font-size: .95rem; }

/* ---------- Marquee / logo strip ---------- */
.marquee {
  background: var(--bg-darker);
  color: var(--text-on-dark-soft);
  padding: 28px 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 64px;
  animation: scroll 30s linear infinite;
  white-space: nowrap;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 64px; }
.marquee-track .sep { color: var(--accent); }
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- CTA banner ---------- */
.cta {
  background: var(--bg-dark);
  color: #fff;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta .container { position: relative; z-index: 1; text-align: center; }
.cta h2 { color: #fff; max-width: 720px; margin: 0 auto 18px; }
.cta p { color: var(--text-on-dark-soft); max-width: 540px; margin: 0 auto 36px; }

/* ---------- Form ---------- */
form { display: grid; gap: 20px; }
form label {
  display: block;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
form input, form select, form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  font: inherit;
  color: var(--text);
  transition: border-color var(--transition);
}
form input:focus, form select:focus, form textarea:focus {
  outline: none;
  border-color: var(--text);
}
form textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.checkbox-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}
.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-transform: none;
  letter-spacing: 0;
  font-size: .9rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0;
  transition: all var(--transition);
}
.checkbox-row label:hover { border-color: var(--text); }
.checkbox-row input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}
.checkbox-row input[type="checkbox"]:checked + span { color: var(--accent); }

/* ---------- Contact grid ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 48px; } }

.info-block { margin-bottom: 28px; }
.info-block h4 {
  font-family: 'Inter', sans-serif;
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.info-block p, .info-block a { font-size: 1.05rem; color: var(--text); }

/* ---------- Page header ---------- */
.page-header {
  background: var(--bg-dark);
  color: #fff;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}
.page-header .container { position: relative; }
.page-header h1 { color: #fff; max-width: 800px; margin-bottom: 16px; }
.page-header h1 .accent { color: var(--accent); }
.page-header p { font-size: 1.15rem; color: var(--text-on-dark-soft); max-width: 600px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-darker);
  color: var(--text-on-dark-soft);
  padding: 80px 0 28px;
}
.site-footer h4 {
  font-family: 'Inter', sans-serif;
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}
.site-footer a { color: var(--text-on-dark-soft); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-grid ul { list-style: none; display: grid; gap: 8px; }
.footer-grid p { color: var(--text-on-dark-soft); }
.footer-grid .brand { color: #fff; font-size: 1.4rem; }
.footer-bottom {
  border-top: 1px solid #1f1f1f;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: .82rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Helpers ---------- */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 40px; } section { padding: 80px 0; } }

.feature-list { list-style: none; display: grid; gap: 16px; }
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  margin-top: 2px;
}