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

html {
  scroll-behavior: smooth;
}

:root {
  --primary-blue: #0c254b;
  --gradient-start: #122d63;
  --gradient-end: #143c73;
  --accent-blue: #1eb4f3;
  --btn-purple: #9c6edc;
  --background-purple: #685286;
  --background-blue: #2c5d72;
  --text-light: #ffffff;
  --font-main: "Poppins", "Segoe UI", sans-serif;
}

body {
  font-family: var(--font-main);
  background: linear-gradient(90deg, var(--background-purple), var(--background-blue));
  color: var(--text-light);
  overflow-x: hidden;
}

.navbar {
  background: transparent;
  padding: 18px 0;
  transition: background 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 25, 50, 0.85);
  backdrop-filter: blur(6px);
}

.navbar-brand span {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

.navbar-nav .nav-link {
  color: #b4c3df !important;
  margin-left: 18px;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--accent-blue) !important;
}

.hero {
  padding: 160px 0 100px;
  text-align: left;
  position: relative;
}

.hero-content {
  z-index: 2;
}

.subtitle {
  font-size: 20px;
  font-weight: 300;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 28px;
}

.hero .highlight {
  color: var(--accent-blue);
}

.hero .btn {
  background-color: var(--btn-purple);
  color: white;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.3s ease;
  border: none;
}

.hero .btn:hover {
  background-color: #b084f0;
}

.hero-image img {
  max-width: 200%; 
  height: auto;
  filter: drop-shadow(0 0 15px rgba(30, 180, 243, 0.6));
  animation: float 5s ease-in-out infinite;
  transform: rotate(0deg); /* odstráni otočenie */
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.services {
  padding: 100px 0;
  color: #fff;
}

.services-header h2 {
  font-size: 32px;
  font-weight: 700;
}

.services-header .line {
  width: 70px;
  height: 4px;
  background-color: var(--btn-purple);
  border-radius: 2px;
  margin: 10px auto;
}

.service h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service p {
  font-size: 15px;
  color: #d9e1f2;
  line-height: 1.6;
}

.blue {
  color: var(--accent-blue);
  font-weight: 700;
}

.about {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.about h2 {
  font-size: 32px;
  font-weight: 700;
}

.about .line {
  width: 70px;
  height: 4px;
  background-color: var(--btn-purple);
  border-radius: 2px;
  margin-bottom: 28px;
}

.about p {
  color: #d9e1f2;
  font-size: 15px;
  line-height: 1.6;
}

.about .img-wrap {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.about .neon-bg {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -25%) rotate(0%);
  width: 280px;
  opacity: 0.9;
  filter: drop-shadow(0 0 25px rgba(30, 180, 243, 0.7));
  z-index: 0;
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.9;
    filter: drop-shadow(0 0 25px rgba(30, 180, 243, 0.7));
  }
  50% {
    opacity: 0.7;
    filter: drop-shadow(0 0 40px rgba(30, 180, 243, 0.9));
  }
}

.contact {
  padding: 100px 0;
}

.contact h2 {
  font-size: 30px;
  font-weight: 700;
}

.contact .line {
  width: 70px;
  height: 4px;
  background-color: var(--btn-purple);
  border-radius: 2px;
  margin-bottom: 28px;
}

.contact-info a {
  color: #ffffff;
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

.contact-info .label {
  font-weight: 600;
  color: var(--accent-blue);
}

.contact-form .form-control {
  background: transparent;
  border: 2px solid var(--btn-purple);
  border-radius: 8px;
  color: #fff;
}

.contact-form .form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: none;
}

.contact-form .btn {
  background: var(--btn-purple);
  border: none;
  border-radius: 6px;
  padding: 10px 30px;
  color: #fff;
  font-weight: 600;
  transition: 0.3s;
}

.contact-form .btn:hover {
  background: #b488f1;
}

.footer {
  padding: 60px 0 30px;
  color: #d9e1f2;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-column h3 {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
}

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

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: #d9e1f2;
  text-decoration: none;
  font-size: 15px;
}

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

.footer-bottom {
  margin-top: 30px;
  text-align: center;
  font-size: 15px;
}

.footer .blue {
  color: var(--accent-blue);
  font-weight: 700;
}

@media (max-width: 992px) {
  .hero {
    text-align: center;
    padding-top: 120px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-image img {
    transform: rotate(0deg);
    width: 80%;
  }

  .about .neon-bg {
    width: 200px;
    top: 50%;
    transform: translate(-50%, -50%) rotate(-5deg);
  }

  .footer {
    text-align: center;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 28px;
  }
  .btn {
    padding: 12px 24px;
  }
}

@media (max-width: 768px) {
  section,
  .hero,
  .services,
  .about,
  .contact,
  .footer {
    padding-top: 50px !important;
    padding-bottom: 50px !important;
  }

  .hero {
    padding-top: 60px !important;
    padding-bottom: 60px !important;
  }

  .services-header,
  .about-left,
  .contact h2 {
    margin-bottom: 25px !important;
  }

  .footer {
    padding-top: 40px !important;
    padding-bottom: 25px !important;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: linear-gradient(90deg, var(--background-purple), var(--background-blue));
    padding: 20px;
    position: relative;
    z-index: 1000;
  }

  .navbar-nav .nav-link {
    color: #fff !important;
    font-size: 18px;
    margin-bottom: 10px;
    text-align: center;
  }

  .navbar-nav .nav-link:hover {
    color: var(--accent-blue) !important;
  }
}

.hero,
.services,
.about,
.contact {
  position: relative;
  z-index: 1;
}