/* ============================================
   KOMPLETT NEUES MODERNES DESIGN
   ============================================ */

/* Base Variables */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent-color: #10b981;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-white: #ffffff;
  --bg-light: #f9fafb;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-gradient-alt: linear-gradient(135deg, #2563eb 0%, #10b981 100%);
  --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --glass: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  font-family: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  scroll-behavior: smooth;
  overflow-x: hidden;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

h1 {
  letter-spacing: 2px;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: 1px;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

/* ============================================
   MODERNE NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.nav-logo:hover {
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: all var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--primary-color);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-gradient);
  padding: 120px 2rem 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  color: white;
  animation: fadeInUp 0.8s ease-out;
}

.hero-text .subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.9;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
  color: white;
  line-height: 1.1;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-text .tagline {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-text .decorative-text {
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.7;
  margin-top: 1rem;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-image {
  position: relative;
  animation: fadeInRight 0.8s ease-out 0.4s both;
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  border: 5px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-slow);
}

.hero-image:hover img {
  transform: scale(1.05) rotate(2deg);
}

.hero-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  background: var(--accent-color);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: 100px 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-header .section-subtitle {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--bg-gradient-alt);
  border-radius: 2px;
}

.section-header .decorative-text {
  font-size: 1rem;
  color: var(--text-light);
  font-style: italic;
  margin-top: 1rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--bg-gradient-alt);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-gradient-alt);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: white;
}

.card h3 {
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* Feature List */
.feature-list {
  list-style: none;
  margin-top: 1.5rem;
}

.feature-list li {
  padding: 0.75rem 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.feature-list li:hover {
  color: var(--text-dark);
  transform: translateX(5px);
}

.feature-list li i {
  color: var(--accent-color);
  font-size: 1.2rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.about-card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.about-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.about-card h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.about-card h3 i {
  font-size: 1.5rem;
}

/* Contact Section */
.contact-section {
  background: var(--bg-gradient);
  color: white;
  border-radius: 30px;
  padding: 4rem 2rem;
  margin: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 1.2rem;
}

.contact-item i {
  font-size: 1.5rem;
  opacity: 0.9;
}

.contact-item a {
  color: white;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact-item a:hover {
  text-decoration: underline;
  transform: translateX(5px);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-link {
  color: white;
  text-decoration: none;
  transition: all var(--transition-fast);
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.footer-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.footer-text {
  opacity: 0.7;
  font-size: 0.9rem;
  margin-top: 1rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* ============================================
   TOP BUTTON
   ============================================ */

#myBtn {
  display: none;
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  background: var(--primary-color);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  font-size: 1.2rem;
}

#myBtn:hover {
  background: var(--primary-dark);
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-xl);
}

#myBtn:active {
  transform: translateY(-2px) scale(1.05);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media only screen and (max-width: 968px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 3rem;
    gap: 2rem;
    transition: left var(--transition-fast);
    box-shadow: var(--shadow-lg);
  }

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

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-image {
    order: -1;
  }

  .hero-badge {
    top: 10px;
    right: 10px;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  .section {
    padding: 60px 1.5rem;
  }

  .card-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-section {
    padding: 3rem 1.5rem;
    border-radius: 20px;
  }

  .nav-container {
    padding: 1rem 1.5rem;
  }

  #myBtn {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media only screen and (max-width: 600px) {
  .hero {
    padding: 100px 1rem 60px;
    min-height: auto;
  }

  .hero-text .subtitle {
    font-size: 0.9rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text .tagline {
    font-size: 1.1rem;
  }

  .section-header .section-subtitle {
    font-size: 0.8rem;
  }

  .card {
    padding: 2rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* Legacy W3.CSS Compatibility */
.w3-content {
  max-width: 1400px;
  margin: 0 auto;
}

.w3-container {
  padding: 0;
}

.w3-center {
  text-align: center;
}