/* TeDaCo Premium - Main CSS */
/* Mobile-First Responsive Design */

/* Hero Section */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 50%, #1e293b 100%);
  z-index: -1;
}

.network-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(56, 189, 248, 0.05) 0%, transparent 50%);
  animation: network-pulse 8s ease-in-out infinite;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
}

.hero-text {
  text-align: center;
  z-index: 10;
}

.hero-title {
  margin-bottom: var(--space-8);
}

.company-name {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--primary);
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

.typewriter {
  overflow: hidden;
  border-right: 3px solid var(--primary);
  white-space: nowrap;
  animation: typewriter 3s steps(20) 1s forwards, blink 1s infinite;
  width: 0;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-100);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 48px;
  min-width: 160px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  z-index: 5;
}

.hero-video-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(56, 189, 248, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(0, 212, 255, 0.1));
  padding: var(--space-3);
}

.hero-video {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
}

/* Services Section */
.services {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--white), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-100);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  background: rgba(56, 189, 248, 0.1);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-6);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.service-description {
  color: var(--gray-100);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  padding: 0;
  text-align: left;
}

.service-features li {
  color: var(--white);
  margin-bottom: var(--space-3);
  padding-left: var(--space-6);
  position: relative;
  font-size: var(--font-size-sm);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* About Section */
.about {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--secondary-light) 0%, var(--secondary) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  margin-top: var(--space-16);
}

.about-text {
  color: var(--gray-100);
}

.about-intro h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-6);
}

.about-intro p {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.about-features {
  display: grid;
  gap: var(--space-6);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.feature-content p {
  color: var(--gray-100);
  line-height: 1.6;
}

.about-stats {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  backdrop-filter: blur(10px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  text-align: center;
  padding: var(--space-4);
}

.stat-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-100);
  line-height: 1.4;
}

.certifications h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-4);
  text-align: center;
}

.cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.cert-item {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--primary);
  font-weight: 500;
}

/* Portfolio Section */
.portfolio {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  border: 2px solid rgba(56, 189, 248, 0.3);
  background: transparent;
  color: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.portfolio-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.portfolio-item:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  position: relative;
  height: 250px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Portfolio-Bilder sind jetzt verfügbar - keine temporären Hintergründe mehr nötig */

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

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(56, 189, 248, 0.6) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  padding: var(--space-6);
  text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-info h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.portfolio-info p {
  color: var(--gray-100);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.portfolio-tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.tag {
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid var(--primary);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--primary);
  font-weight: 500;
}

.portfolio-btn {
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.portfolio-btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

/* Animations */
@keyframes network-pulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

@keyframes typewriter {
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 50% {
    border-color: var(--primary);
  }
  51%, 100% {
    border-color: transparent;
  }
}

/* Contact Section */
.contact {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--secondary-light) 0%, var(--secondary) 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  margin-top: var(--space-16);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.contact-details p {
  color: var(--gray-100);
  line-height: 1.6;
}

.contact-details a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Tablet Responsive */
@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  
  .hero-text {
    text-align: left;
  }
  
  .hero-actions {
    justify-content: flex-start;
  }
  
  .company-name {
    font-size: var(--font-size-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-3xl);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop Responsive */
@media (min-width: 1024px) {
  .hero-content {
    gap: var(--space-20);
  }

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

  .hero-video-container {
    max-width: 600px;
  }

  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Desktop */
@media (min-width: 1200px) {
  .hero-description {
    font-size: var(--font-size-xl);
  }
}

/* Fullscreen Video Intro */
.fullscreen-intro {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 10001;
  display: none;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.fullscreen-intro.hidden {
  opacity: 0;
  pointer-events: none;
}

.fullscreen-intro video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-skip {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 10002;
}

.skip-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.skip-btn:hover {
  background: rgba(56, 189, 248, 0.8);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.skip-btn svg {
  width: 16px;
  height: 16px;
}

.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    rgba(0, 0, 0, 0.3) 0%,
    transparent 50%,
    rgba(56, 189, 248, 0.1) 100%
  );
  pointer-events: none;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  padding: 0.75rem;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
  display: block;
}

/* Mobile Navigation Toggle - Always Available */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  padding: 0.75rem;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
  display: block;
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex !important;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--space-12);
    transition: left var(--transition-base);
  }

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

  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-4) 0;
    width: 100%;
    text-align: center;
  }

  .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(7px, -6px);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--dark-blue) 0%, #0a0f1c 100%);
  color: var(--text-light);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-top {
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
  padding-bottom: 3rem;
  margin-bottom: 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  grid-column: span 2;
}

.footer-logo img {
  height: 60px;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 400px;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 50%;
  color: var(--cyan);
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-link:hover {
  background: var(--cyan);
  color: var(--dark-blue);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-column h4 {
  color: var(--cyan);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin-bottom: 0.8rem;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column ul li a:hover {
  color: var(--cyan);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Footer Mobile Responsive */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: span 1;
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }
}