/* ─── Design Tokens ─────────────────────────────────── */
:root {
  --navy:       #1B2A4A;
  --navy-dark:  #111E35;
  --blue:       #3B82F6;
  --blue-hover: #2563EB;
  --white:      #FFFFFF;
  --gray-50:    #F8FAFC;
  --gray-100:   #F1F5F9;
  --gray-200:   #E2E8F0;
  --gray-400:   #94A3B8;
  --gray-600:   #475569;
  --gray-800:   #1E293B;
  --font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --radius:     8px;
  --shadow:     0 4px 24px rgba(0,0,0,.10);
  --shadow-sm:  0 2px 8px rgba(0,0,0,.07);
  --transition: .25s ease;
}

/* ─── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 132px; }
body { font-family: var(--font); color: var(--gray-800); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── Utility ────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 560px;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59,130,246,.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

/* ─── Navigation ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 132px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  transition: color var(--transition);
}
.nav.scrolled .nav-logo { color: var(--navy); }
.nav-logo-canvas {
  width: 120px;
  height: 120px;
  display: block;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav.scrolled .nav-links a { color: var(--gray-600); }
.nav.scrolled .nav-links a:hover { color: var(--blue); }
.nav-cta {
  padding: 9px 20px;
  border-radius: var(--radius);
  background: var(--blue);
  color: var(--white) !important;
  font-weight: 600;
  font-size: .88rem;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--blue-hover) !important; color: var(--white) !important; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav.scrolled .nav-hamburger span { background: var(--navy); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 99;
  padding: 20px 24px;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: block;
  padding: 12px 0;
  font-weight: 500;
  color: var(--gray-800);
  border-bottom: 1px solid var(--gray-100);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--blue); }

/* ─── Hero ───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 50%, #1e3a6e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(59,130,246,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59,130,246,.08) 0%, transparent 40%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative;
  padding: 120px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,.18);
  border: 1px solid rgba(59,130,246,.35);
  color: #93C5FD;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #3B82F6;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 10px;
}
.hero-name-accent { color: #93C5FD; }
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.75);
  margin-bottom: 24px;
  font-weight: 400;
}
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.hero-tag {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.8);
  padding: 5px 13px;
  border-radius: 20px;
  font-size: .82rem;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll svg { opacity: .5; }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ─── Leistungen ─────────────────────────────────────── */
.leistungen {
  padding: 48px 0 64px;
  background: var(--white);
}
.leistungen-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.leistungen-sub {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--navy);
  opacity: 0.5;
}
.leistungen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
  margin-top: 20px;
}
.leistung-card {
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.leistung-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--blue);
}
.leistung-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: #EFF6FF;
  color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.leistung-icon svg { width: 18px; height: 18px; }
.leistung-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.leistung-card p {
  font-size: .82rem;
  color: var(--gray-600);
  line-height: 1.45;
}
.leistung-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.leistung-tag {
  background: #EFF6FF;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

/* ─── Über mich ──────────────────────────────────────── */
.ueber {
  padding: 100px 0;
  background: var(--gray-50);
}
.ueber-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.ueber-text p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}
.ueber-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.ueber-stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--gray-200);
  text-align: center;
}
.ueber-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}
.ueber-stat-label {
  font-size: .82rem;
  color: var(--gray-600);
  margin-top: 4px;
}
.skills-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.skill-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), #60A5FA);
  transition: width 1.2s ease;
}
.skill-name {
  min-width: 160px;
  font-size: .9rem;
  color: var(--gray-800);
  font-weight: 500;
}
.skill-pct {
  min-width: 36px;
  font-size: .82rem;
  color: var(--gray-400);
  text-align: right;
}

/* ─── Referenzen ─────────────────────────────────────── */
.referenzen {
  padding: 100px 0;
  background: var(--white);
}
.referenz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}
.referenz-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.referenz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.referenz-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.referenz-body { padding: 24px; }
.referenz-badge {
  display: inline-block;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.referenz-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.referenz-card p {
  font-size: .88rem;
  color: var(--gray-600);
  line-height: 1.6;
}
.referenz-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.ref-tag {
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-200);
  padding: 2px 9px;
  border-radius: 10px;
}
.referenz-note {
  text-align: center;
  color: var(--gray-400);
  font-size: .88rem;
  margin-top: 40px;
  font-style: italic;
}

/* ─── Kontakt ────────────────────────────────────────── */
.kontakt {
  padding: 100px 0;
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 100%);
}
.kontakt-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
.kontakt-info .section-label { color: #93C5FD; }
.kontakt-info .section-title { color: var(--white); }
.kontakt-info .section-sub { color: rgba(255,255,255,.65); }
.kontakt-features {
  list-style: none;
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.kontakt-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: rgba(255,255,255,.75);
  font-size: .93rem;
}
.kontakt-feature-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(59,130,246,.2);
  color: #93C5FD;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--blue); margin-left: 2px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .92rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input.error,
.form-group textarea.error {
  border-color: #EF4444;
}
.dsgvo-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}
.dsgvo-check input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--blue);
  flex-shrink: 0;
  cursor: pointer;
}
.dsgvo-check label {
  font-size: .83rem;
  color: var(--gray-600);
  cursor: pointer;
}
.dsgvo-check label a { color: var(--blue); text-decoration: underline; }
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  visibility: hidden;
  height: 0;
  overflow: hidden;
}
.form-submit-row {
  display: flex;
  justify-content: flex-end;
}
.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 15px;
}
.btn-submit:disabled { opacity: .65; cursor: not-allowed; transform: none !important; }
.form-msg {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  margin-top: 16px;
}
.form-msg.success {
  background: #F0FDF4;
  color: #16A34A;
  border: 1px solid #BBF7D0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.form-msg.error {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─── Footer ─────────────────────────────────────────── */
.footer {
  background: var(--navy-dark);
  padding: 32px 24px;
  text-align: center;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo {
  width: 30px;
  height: 30px;
  opacity: 0.6;
  flex-shrink: 0;
}
.footer-copy { color: rgba(255,255,255,.4); font-size: .85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

/* ─── Impressum page ─────────────────────────────────── */
.impressum-page {
  padding: 120px 0 80px;
  min-height: 100vh;
}
.impressum-page h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}
.impressum-page .lead {
  color: var(--gray-600);
  margin-bottom: 48px;
}
.impressum-section { margin-bottom: 40px; }
.impressum-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-100);
}
.impressum-section p,
.impressum-section li {
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 8px;
}
.impressum-section ul { padding-left: 20px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 40px;
  transition: gap var(--transition);
}
.back-link:hover { gap: 12px; }

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .ueber-inner { grid-template-columns: 1fr; gap: 48px; }
  .kontakt-inner { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 22px; }
}
@media (max-width: 600px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .ueber-stats { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .referenz-grid { grid-template-columns: 1fr; }
  .leistungen-grid { grid-template-columns: 1fr; }
}