:root {
  --bg: #0b0f14;
  --bg-elevated: #111823;
  --bg-card: #141d29;
  --border: #23303f;
  --text: #e8edf2;
  --text-muted: #93a3b3;
  --accent: #4fd1c5;
  --accent-2: #7c9dff;
  --accent-soft: rgba(79, 209, 197, 0.12);
  --radius: 14px;
  --max-width: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 80% -10%, rgba(124,157,255,0.10), transparent),
              radial-gradient(1000px 500px at -10% 10%, rgba(79,209,197,0.08), transparent),
              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; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; margin: 0; }

h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 16px; }

.section-intro {
  max-width: 640px;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand img { height: 48px; width: auto; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem !important;
}

.nav-cta:hover { background: var(--accent-soft); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

.nav-right { display: flex; align-items: center; gap: 20px; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang-switch .lang-current { color: var(--text); }

.lang-switch .lang-sep { color: var(--border); }

.lang-switch .lang-link { color: var(--text-muted); }

.lang-switch .lang-link:hover { color: var(--accent); }

/* Hero */
.hero-section {
  padding: 120px 0 100px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.12;
}

.hero .highlight {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin: 24px 0 32px;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #05121a;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(79,209,197,0.25); }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-portrait {
  position: relative;
  justify-self: center;
}

.hero-portrait img {
  width: 280px;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px rgba(0,0,0,0.45);
}

.hero-portrait::after {
  content: "";
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  z-index: -1;
  opacity: 0.5;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 40px 0 0;
  border-top: 1px solid var(--border);
}

.stat .num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat .label { color: var(--text-muted); font-size: 0.95rem; }

/* Tech grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.tech-card:hover { transform: translateY(-4px); border-color: var(--accent); }

.tech-card img { height: 40px; width: auto; object-fit: contain; }

.tech-card img.on-light {
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  height: 32px;
}

.tech-card span { font-size: 0.85rem; color: var(--text-muted); }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.service-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }

.service-card p { color: var(--text-muted); font-size: 0.95rem; margin: 0; }

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-logo {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d141c;
  border-bottom: 1px solid var(--border);
  padding: 20px;
}

.project-logo img { max-height: 60px; width: auto; }

.project-logo img.on-light {
  background: #fff;
  border-radius: 10px;
  padding: 10px 18px;
  max-height: 40px;
}

.project-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.project-body .client { color: var(--accent); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }

.project-body h3 { font-size: 1.2rem; margin-bottom: 10px; }

.project-body p { color: var(--text-muted); font-size: 0.93rem; flex: 1; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.tag {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124,157,255,0.12);
  color: var(--accent-2);
  border: 1px solid rgba(124,157,255,0.25);
}

/* Contact CTA */
.contact-cta {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
}

.contact-cta h2 { margin-bottom: 12px; }

.contact-cta p { color: var(--text-muted); max-width: 500px; margin: 0 auto 32px; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links { display: flex; gap: 24px; }

.footer-links a:hover { color: var(--accent); }

/* Simple pages (Impressum, Datenschutz, Kontakt) */
.page-hero { padding: 80px 0 40px; border-bottom: 1px solid var(--border); }

.prose { max-width: 720px; color: var(--text-muted); }

.prose h2 { color: var(--text); font-size: 1.3rem; margin-top: 36px; margin-bottom: 12px; }

.prose p, .prose li { margin-bottom: 10px; }

.prose strong { color: var(--text); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info-card dt { color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 20px; }

.contact-info-card dt:first-child { margin-top: 0; }

.contact-info-card dd { margin: 4px 0 0; font-size: 1.05rem; color: var(--text); }

.contact-info-card dd a:hover { color: var(--accent); }

form.contact-form { display: flex; flex-direction: column; gap: 16px; }

.contact-form label { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 6px; display: block; }

.contact-form input, .contact-form textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea { resize: vertical; min-height: 140px; }

@media (max-width: 860px) {
  .hero-section { padding: 80px 0 60px; }
  .hero { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; }
  .hero-portrait img { width: 200px; height: 240px; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-cta { padding: 40px 24px; }
}

@media (max-width: 640px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  section { padding: 64px 0; }
}