/* =============================================
   DATENWERKSTATT – Design System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary:    #ffffff;
  --bg-secondary:  #f8f9fc;
  --bg-card:       #ffffff;
  --bg-card-hover: #fcfcfc;
  --border:        #e5e7eb;
  --border-light:  #d1d5db;

  --text-primary:  #0f172a;
  --text-secondary:#475569;
  --text-muted:    #94a3b8;

  --accent:        #65b32e;
  --accent-light:  #84cc42;
  --accent-glow:   rgba(101, 179, 46, 0.08);
  --accent-dark:   #4a8a21;

  --success:       #10b981;
  --error:         #ef4444;

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-xl:     24px;

  --shadow-sm:     0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:     0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg:     0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-accent: 0 4px 14px rgba(101, 179, 46, 0.25);

  --transition:    0.2s ease;
  --transition-slow: 0.4s ease;

  --nav-height:    64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; font-weight: 600; }
p  { color: var(--text-secondary); }

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text-primary); }

code, .mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875em;
}

/* ---- Layout ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 64px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

/* ---- Navigation ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--transition);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
}


.nav-logo { border: none !important; }
.logo-icon { margin-right: 6px; margin-top: -3px; }
.text-daten { color: var(--text-primary); font-weight: 700; }
.text-werk { color: var(--accent); font-weight: 700; }
.nav-logo .logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  color: var(--accent);
  background: var(--bg-secondary);
}

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-sm) !important;
}
.nav-cta:hover {
  background: var(--accent-dark) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 7px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 12px;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- Hero ---- */
.hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(ellipse, rgba(101, 179, 46, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(101, 179, 46, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(101, 179, 46, 0); }
}

.hero h1 { margin-bottom: 20px; }

.hero h1 .accent { color: var(--accent-light); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(101, 179, 46, 0.3);
}
.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 24px rgba(101, 179, 46, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 12px 0;
}
.btn-ghost:hover { color: var(--text-primary); }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ---- Services Grid ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(101, 179, 46, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-accent);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 44px; height: 44px;
  background: var(--accent-glow);
  border: 1px solid rgba(101, 179, 46, 0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 16px;
  position: relative;
}

.service-card h3 {
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.service-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent-glow);
  color: var(--accent-light);
  border: 1px solid rgba(101, 179, 46, 0.2);
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 12px;
}

/* ---- Form ---- */
.form-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.form-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

input, textarea, select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 12px 16px;
  outline: none;
  transition: all var(--transition);
  appearance: none;
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea { resize: vertical; min-height: 130px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.form-success {
  display: none;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.3);
  border-radius: var(--radius-md);
  color: var(--success);
  padding: 16px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 16px;
  align-items: center;
  gap: 10px;
}

/* ---- Footer ---- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 10px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--text-primary); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border);
}

.page-hero .section-label { margin-bottom: 12px; }

/* ---- Prose (legal pages) ---- */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.prose h3 {
  font-size: 1rem;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-weight: 600;
}

.prose p, .prose li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.prose ul { padding-left: 20px; }
.prose ul li { list-style: disc; }

.prose a { color: var(--accent-light); }

/* ---- Über mich ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.trait-list { list-style: none; margin-top: 24px; }

.trait-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.trait-list li:last-child { border-bottom: none; }

.trait-icon {
  width: 36px; height: 36px;
  flex-shrink: 0;
  background: var(--accent-glow);
  border: 1px solid rgba(101, 179, 46, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.trait-list li div h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.trait-list li div p {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin: 0;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 300px; height: 300px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
}

.avatar-ring {
  width: 150px; height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 24px;
  position: relative;
}

.about-card h3 { margin-bottom: 4px; }

.about-card .title {
  font-size: 0.85rem;
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 16px;
}

.about-card .bio {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  justify-content: center;
}

.chip {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
}

/* ---- Contact page ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

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

.contact-info-card h3 { margin-bottom: 20px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child { border-bottom: none; }

.contact-item-icon {
  width: 40px; height: 40px;
  background: var(--accent-glow);
  border: 1px solid rgba(101, 179, 46, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item div span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-item div a, .contact-item div p {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
  }

  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: var(--radius-sm); }

  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ---- Animate in ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}