/* ========================================
   MJ Veranstaltungstechnik - Stylesheet
   ======================================== */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #141a23;
  --bg-card: #1c2433;
  --bg-card-hover: #222d3e;
  --accent: #2ea44f;
  --accent-light: #3fb950;
  --accent-dark: #238636;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --border: #30363d;
  --border-light: #3d444d;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 36px;
  width: auto;
}

.navbar.scrolled .nav-logo-img {
  height: 30px;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link--cta {
  background: var(--accent-dark);
  color: var(--text-primary);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 17, 23, 0.85) 0%, rgba(22, 27, 34, 0.75) 40%, rgba(26, 35, 50, 0.8) 70%, rgba(13, 17, 23, 0.9) 100%);
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(46, 164, 79, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(46, 164, 79, 0.05) 0%, transparent 50%);
  z-index: 2;
  animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-5%, 3%); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 4;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
}

.scroll-indicator {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  background: var(--accent-light);
  border-radius: 2px;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  letter-spacing: -0.01em;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 164, 79, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  transform: translateY(-2px);
}

/* ========================================
   Sections
   ======================================== */

.section {
  padding: 120px 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.section-title--left {
  text-align: left;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 64px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Leistungen / Services
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-dark);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-light);
  margin-bottom: 20px;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================
   Ueber mich / About
   ======================================== */

.ueber {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

.about-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.about-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-stats {
  display: flex;
  gap: 48px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   Referenzen
   ======================================== */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ref-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

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

.ref-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card-hover) 100%);
}

.ref-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.ref-card:hover .ref-img {
  transform: scale(1.05);
}

.ref-info {
  padding: 24px;
}

.ref-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.ref-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.ref-tag {
  display: inline-block;
  background: rgba(46, 164, 79, 0.1);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ========================================
   Kontakt
   ======================================== */

.kontakt {
  background: var(--bg-secondary);
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: start;
}

.kontakt-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group:last-child:not(.form-row .form-group) {
  margin-bottom: 24px;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input,
select,
textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font);
  transition: border-color var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 164, 79, 0.15);
}

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

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  margin-top: 16px;
  padding: 0;
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
  transition: all var(--transition);
}

.form-status.success {
  padding: 12px;
  background: rgba(46, 164, 79, 0.1);
  color: var(--accent-light);
  border: 1px solid var(--accent-dark);
}

.form-status.error {
  padding: 12px;
  background: rgba(248, 81, 73, 0.1);
  color: #f85149;
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.info-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 32px;
}

.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.info-item:last-child {
  margin-bottom: 0;
}

.info-item svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent-light);
  margin-top: 2px;
}

.info-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  font-weight: 500;
}

.info-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.info-item a {
  color: var(--text-secondary);
}

.info-item a:hover {
  color: var(--accent-light);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo-img {
  height: 32px;
  width: auto;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 0.9rem;
}

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

.footer-links a,
.footer-legal a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========================================
   Animations
   ======================================== */

.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
  .services-grid,
  .ref-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-img {
    max-width: 300px;
    margin: 0 auto;
    display: block;
  }

  .section-title--left {
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1rem;
    padding: 12px 16px;
  }

  .section {
    padding: 80px 0;
  }

  .services-grid,
  .ref-grid {
    grid-template-columns: 1fr;
  }

  .kontakt-grid {
    grid-template-columns: 1fr;
  }

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

  .kontakt-form {
    padding: 24px;
  }

  .about-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .footer-grid {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links,
  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}