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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.presentation {
  background: white;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  animation: fadeIn 1s ease-out;
}

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

.header {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: white;
  padding: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.03) 2px,
    rgba(255, 255, 255, 0.03) 4px
  );
  animation: shimmer 20s linear infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.header h1 {
  font-size: 2.8em;
  margin-bottom: 10px;
  font-weight: 300;
  letter-spacing: 2px;
  position: relative;
  z-index: 2;
}

.header .subtitle {
  font-size: 1.3em;
  opacity: 0.9;
  font-weight: 300;
  position: relative;
  z-index: 2;
}

.contact-info {
  background: #34495e;
  padding: 20px;
  text-align: center;
  font-size: 1.1em;
  color: cyan;
}

.contact-info a {
  color: #3498db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-info a:hover {
  color: #2980b9;
}

.content {
  padding: 40px;
}

.section {
  margin-bottom: 50px;
  opacity: 0;
  transform: translateY(20px);
  animation: slideInUp 0.8s ease-out forwards;
}

.section:nth-child(1) {
  animation-delay: 0.1s;
}
.section:nth-child(2) {
  animation-delay: 0.2s;
}
.section:nth-child(3) {
  animation-delay: 0.3s;
}
.section:nth-child(4) {
  animation-delay: 0.4s;
}
.section:nth-child(5) {
  animation-delay: 0.5s;
}
.section:nth-child(6) {
  animation-delay: 0.6s;
}
.section:nth-child(7) {
  animation-delay: 0.7s;
}
.section:nth-child(8) {
  animation-delay: 0.8s;
}

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

.section h2 {
  color: #2c3e50;
  font-size: 2.2em;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 3px;
  background: linear-gradient(135deg, #3498db, #2980b9);
  border-radius: 2px;
}

.section h3 {
  color: #34495e;
  font-size: 1.4em;
  margin-bottom: 15px;
  margin-top: 25px;
}

.section p {
  font-size: 1.1em;
  margin-bottom: 15px;
  text-align: justify;
}

.highlight {
  background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
  padding: 25px;
  border-radius: 10px;
  margin: 25px 0;
  border-left: 5px solid #3498db;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 25px 0;
}

.skill-category {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 10px;
  border-left: 4px solid #3498db;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.skill-category h4 {
  color: #2c3e50;
  font-size: 1.3em;
  margin-bottom: 10px;
}

.achievements {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px;
  border-radius: 10px;
  margin: 25px 0;
}

.achievements h4 {
  font-size: 1.3em;
  margin-bottom: 15px;
  color: #fff;
}

.achievements ul {
  list-style: none;
  padding-left: 0;
}

.achievements li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.achievements li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: #a8edea;
}

.value-proposition {
  background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
  padding: 30px;
  border-radius: 10px;
  margin: 25px 0;
  text-align: center;
}

.value-proposition h3 {
  color: #2c3e50;
  font-size: 1.8em;
  margin-bottom: 20px;
}

.footer {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: white;
  padding: 40px;
  text-align: center;
}

.footer h2 {
  color: white;
  margin-bottom: 20px;
}

.footer p {
  font-size: 1.2em;
  margin-bottom: 15px;
}

.cta {
  background: #3498db;
  color: white;
  padding: 15px 30px;
  border-radius: 25px;
  text-decoration: none;
  display: inline-block;
  margin-top: 20px;
  transition: all 0.3s ease;
  font-weight: bold;
}

.cta:hover {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .header h1 {
    font-size: 2em;
  }

  .header .subtitle {
    font-size: 1.1em;
  }

  .content {
    padding: 20px;
  }

  .section h2 {
    font-size: 1.8em;
  }

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

.print-friendly {
  display: none;
}

@media print {
  body {
    background: white;
    color: black;
  }

  .presentation {
    box-shadow: none;
    border-radius: 0;
  }

  .header {
    background: #2c3e50 !important;
    -webkit-print-color-adjust: exact;
  }

  .print-friendly {
    display: block;
    page-break-before: always;
  }
}