/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --accent:         #7c3aed;
  --accent-hover:   #6d28d9;
  --text-primary:   #0f172a;
  --text-secondary: #64748b;
  --surface:        #ffffff;
  --surface-alt:    #f8fafc;
  --border:         #e2e8f0;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --nav-height: 64px;
  --radius: 6px;
  --section-py: 96px;
}

/* ============================================================
   BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

section[id] {
  scroll-margin-top: var(--nav-height);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#mainNav {
  background: var(--surface);
  height: var(--nav-height);
  padding: 0;
  border-bottom: 1px solid transparent;
}

#mainNav.scrolled {
  border-bottom-color: var(--border);
}

.navbar-brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary) !important;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.navbar-brand span {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  padding: 0.4rem 0.75rem !important;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary) !important;
}

.navbar-toggler {
  border: none;
  padding: 4px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.btn-nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent) !important;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.35rem 1rem !important;
}

.btn-nav-cta:hover {
  background: var(--accent);
  color: #fff !important;
}

.btn-lang-toggle {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  line-height: 1;
}

.btn-lang-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 96px;
  border-bottom: 1px solid var(--border);
}

.hero-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary-cta {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.65rem 1.5rem;
  text-decoration: none;
}

.btn-primary-cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-secondary-cta {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 1.5rem;
  text-decoration: none;
}

.btn-secondary-cta:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.hero-meta {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-meta-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-meta-item span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.hero-portrait {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  object-fit: cover;
}

/* ============================================================
   SHARED SECTION UTILITIES
   ============================================================ */
.section-header {
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0;
}

/* ============================================================
   SERVICES
   ============================================================ */
.section-services {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  border-bottom: 1px solid var(--border);
}

.service-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  height: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.06);
}

.service-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.65;
}

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  background: var(--surface-alt);
  border-top: 1px solid var(--border);
}

.contact-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-list li {
  display: flex;
  align-items: center;
}

.contact-label {
  display: inline-block;
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  width: 5.5rem;
}

.contact-list a {
  font-size: 0.9375rem;
  color: var(--text-primary);
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--accent);
}

.contact-socials {
  gap: 0.875rem;
  margin-top: 0.25rem;
}

.contact-social {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  opacity: 0.9;
  transition: opacity 0.15s ease;
}

.contact-social:hover {
  opacity: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--surface-alt);
  padding-bottom: 2.5rem;
}

.footer-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 0 2rem;
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.footer-legal a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.01em;
}

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

/* ============================================================
   LEGAL PAGES (Impressum, Datenschutz)
   ============================================================ */
.section-legal {
  padding-top: calc(var(--nav-height) + var(--section-py));
  padding-bottom: var(--section-py);
  min-height: 70vh;
}

.legal-content {
  max-width: 640px;
}

.legal-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
}

.legal-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.legal-block {
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.legal-block ul {
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}

.legal-block ul li {
  margin-bottom: 0.25rem;
}

.legal-block p {
  margin-bottom: 0.75rem;
}

.legal-block p:last-child {
  margin-bottom: 0;
}

.legal-block a {
  color: var(--text-primary);
  text-decoration: none;
}

.legal-block a:hover {
  color: var(--accent);
}