body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  color: #ffffff;
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
  scroll-behavior: smooth;
}
header h1 {
  margin-bottom: 0.5rem;
  color: #00c3ff;
}
header p {
  color: #cccccc;
}
section {
  padding: 4rem 1rem;
  max-width: 1000px;
  margin: 0 auto;
}
.section-title {
  font-size: 2.8rem;
  margin-bottom: 2.5rem;
  text-align: center;
  color: #00c3ff;
}
.team {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.member {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  text-align: center;
  width: 250px;
}
.member img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
}
.linkedin {
  display: inline-block;
  margin-top: 0.5rem;
}
.linkedin img {
  width: 24px;
  height: 24px;
}
.expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.expertise-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 10px;
  width: 280px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  text-align: center;
}

.reference p {
  color: #dddddd;
}
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #aaaaaa;
}

#stars {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
  display: block;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* Zvětšené logo */
header img {
  height: 160px;
  filter: drop-shadow(0 0 12px #00f2ff);
  transition: transform 0.3s ease;
}

/* Zvýraznění karty člena týmu */
.member {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  text-align: center;
  width: 250px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.member:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 242, 255, 0.4);
  background: rgba(0, 242, 255, 0.1);
}

header img {
  height: 180px;
  filter: drop-shadow(0 0 15px #00f2ff);
  transition: transform 0.3s ease;
  margin-bottom: 1rem;
}

header p {
  max-width: 700px;
  margin: 0 auto;
  color: #cccccc;
  font-size: 1.1rem;
}

.linkedin img {
  width: 28px;
  height: 28px;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 0 2px #00f2ff);
}
.linkedin img:hover {
  transform: scale(1.1);
}

.expertise {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  justify-items: center;
}


#contact-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.85);
  color: #00f2ff;
  padding: 1rem;
  width: 230px;
  font-size: 0.9rem;
  border-radius: 10px 0 0 10px;
  box-shadow: -2px 0 8px rgba(0,0,0,0.5);
  z-index: 999;
}
#contact-sidebar h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  color: #ffffff;
}
#contact-sidebar p {
  margin: 0.5rem 0;
}
@media (max-width: 900px) {
  #contact-sidebar {
    display: none;
  }
}


.expertise-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 10px;
  width: 100%;
  max-width: 280px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.expertise-item:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 242, 255, 0.3);
  background: rgba(0, 242, 255, 0.07);
}


#contact-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(20, 20, 20, 0.9);
  color: #00f2ff;
  padding: 1.5rem;
  width: 230px;
  font-size: 0.9rem;
  border-radius: 12px 0 0 12px;
  box-shadow: -2px 0 10px rgba(0,0,0,0.5);
  z-index: 999;
}
#contact-sidebar h4 {
  margin-top: 0;
  font-size: 1.3rem;
  border-bottom: 1px solid #00f2ff;
  padding-bottom: 0.5rem;
  color: #ffffff;
}
#contact-sidebar p {
  margin: 0.7rem 0;
  line-height: 1.3;
}
@media (max-width: 900px) {
  #contact-sidebar {
    display: none;
  }
}


header {
  position: sticky;
  top: 0;
  z-index: 1000;
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
  background: linear-gradient(135deg, #000000ee 0%, #0b1f30ee 100%);
  box-shadow: 0 4px 15px rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  transition: background 0.8s ease;
  animation: headerFadeIn 1.5s ease-in-out both;
}

@keyframes headerFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header img {
  height: 180px;
  filter: drop-shadow(0 0 15px #00f2ff);
  transition: transform 0.5s ease;
}
header img:hover {
  transform: scale(1.05) rotate(-1deg);
}