/* ==========================================================================
   DESIGN 1: HI-TECH CYBER & SECURITY (Dark Mode)
   ========================================================================== */

[data-theme="cyber"] {
  --bg-primary: #080c14;
  --bg-secondary: #0e1626;
  --bg-surface: #141e33;
  --bg-surface-glass: rgba(20, 30, 51, 0.75);
  --bg-card: rgba(20, 30, 52, 0.85);
  --border-color: rgba(56, 189, 248, 0.18);
  --border-glow: rgba(0, 240, 255, 0.4);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00f0ff;
  --accent-blue: #0284c7;
  --accent-glow: 0 0 25px rgba(0, 240, 255, 0.35);
  --accent-emerald: #10b981;
  --radius-theme: 14px;
}

[data-theme="cyber"] body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(14, 165, 233, 0.08) 0%, transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

/* Header & Navbar */
[data-theme="cyber"] .site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

[data-theme="cyber"] .top-bar {
  background: rgba(0, 240, 255, 0.06);
  border-bottom: 1px solid rgba(0, 240, 255, 0.12);
  padding: 0.4rem 0;
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

[data-theme="cyber"] .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

[data-theme="cyber"] .brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

[data-theme="cyber"] .brand-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #0284c7, #00f0ff);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
  color: #080c14;
}

[data-theme="cyber"] .brand-tagline {
  font-size: 0.72rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
}

[data-theme="cyber"] .nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

[data-theme="cyber"] .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.3rem 0;
}

[data-theme="cyber"] .nav-link:hover,
[data-theme="cyber"] .nav-link.active {
  color: var(--accent-cyan);
}

[data-theme="cyber"] .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width 0.25s ease;
  box-shadow: 0 0 8px var(--accent-cyan);
}

[data-theme="cyber"] .nav-link:hover::after {
  width: 100%;
}

[data-theme="cyber"] .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #0284c7, #00f0ff);
  color: #080c14;
  font-weight: 700;
  padding: 0.6rem 1.3rem;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
  transition: all 0.25s ease;
}

[data-theme="cyber"] .nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(0, 240, 255, 0.6);
}

/* ==========================================================================
   HERO SECTION - PARALLAX
   ========================================================================== */
[data-theme="cyber"] .hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 5rem 0;
}

/* Parallax background canvas / layers */
[data-theme="cyber"] .parallax-layer-bg {
  position: absolute;
  top: -15%;
  left: -10%;
  width: 120%;
  height: 130%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle at 75% 30%, rgba(0, 240, 255, 0.12) 0%, transparent 50%),
              radial-gradient(circle at 20% 70%, rgba(2, 132, 199, 0.12) 0%, transparent 60%);
  transform: translateY(calc(var(--scroll-offset, 0px) * 0.25));
  will-change: transform;
}

[data-theme="cyber"] .parallax-grid-lines {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: linear-gradient(0deg, rgba(0, 240, 255, 0.2) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0, 240, 255, 0.2) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(600px) rotateX(45deg) translateY(calc(var(--scroll-offset, 0px) * 0.45));
  transform-origin: center bottom;
  pointer-events: none;
}

[data-theme="cyber"] .hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

[data-theme="cyber"] .badge-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

[data-theme="cyber"] .badge-hero .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-cyber 2s infinite;
}

@keyframes pulse-cyber {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

[data-theme="cyber"] .hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

[data-theme="cyber"] .hero-title .highlight {
  background: linear-gradient(135deg, #00f0ff 20%, #38bdf8 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.3));
}

[data-theme="cyber"] .hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 580px;
}

[data-theme="cyber"] .hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

[data-theme="cyber"] .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #0284c7, #00f0ff);
  color: #080c14;
  font-weight: 700;
  padding: 0.9rem 1.8rem;
  border-radius: 8px;
  font-size: 1rem;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
  transition: all 0.25s ease;
}

[data-theme="cyber"] .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
}

[data-theme="cyber"] .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(20, 30, 52, 0.6);
  border: 1px solid var(--border-color);
  color: #f8fafc;
  font-weight: 600;
  padding: 0.9rem 1.8rem;
  border-radius: 8px;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

[data-theme="cyber"] .btn-outline:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
  color: var(--accent-cyan);
}

/* Quick contact pills */
[data-theme="cyber"] .quick-phones-pills {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

[data-theme="cyber"] .phone-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

[data-theme="cyber"] .phone-pill:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Floating interactive cyber visual with parallax */
[data-theme="cyber"] .hero-visual {
  position: relative;
  perspective: 1000px;
}

[data-theme="cyber"] .cyber-dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.1);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transform: translateY(calc(var(--scroll-offset, 0px) * -0.15));
  will-change: transform;
}

[data-theme="cyber"] .cyber-dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

[data-theme="cyber"] .cyber-telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
}

[data-theme="cyber"] .telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

[data-theme="cyber"] .telemetry-stat {
  background: rgba(8, 12, 20, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 8px;
  padding: 1rem;
}

[data-theme="cyber"] .telemetry-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

[data-theme="cyber"] .telemetry-value {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: #ffffff;
}

[data-theme="cyber"] .cyber-signal-monitor {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid rgba(0, 240, 255, 0.15);
}

[data-theme="cyber"] .waveform-bar {
  height: 36px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

[data-theme="cyber"] .waveform-bar span {
  flex: 1;
  background: var(--accent-cyan);
  opacity: 0.8;
  border-radius: 2px;
  animation: wave-anim 1.5s infinite ease-in-out alternate;
}

[data-theme="cyber"] .waveform-bar span:nth-child(2n) { animation-delay: 0.2s; }
[data-theme="cyber"] .waveform-bar span:nth-child(3n) { animation-delay: 0.4s; }
[data-theme="cyber"] .waveform-bar span:nth-child(4n) { animation-delay: 0.6s; }

@keyframes wave-anim {
  0% { height: 20%; opacity: 0.3; }
  100% { height: 95%; opacity: 1; filter: drop-shadow(0 0 6px var(--accent-cyan)); }
}

/* Floating badge layered parallax */
[data-theme="cyber"] .floating-security-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: rgba(14, 22, 38, 0.95);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.25);
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  z-index: 3;
  transform: translateY(calc(var(--scroll-offset, 0px) * -0.3));
  will-change: transform;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
[data-theme="cyber"] .section-services {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
}

[data-theme="cyber"] .section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem auto;
}

[data-theme="cyber"] .section-pretitle {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

[data-theme="cyber"] .section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

[data-theme="cyber"] .section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

[data-theme="cyber"] .services-grid {
  display: grid;
  /* Dva sloupce, ne tri. Sluzby jsou ctyri, takze pri trech sloupcich
     zbyla ctvrta karta sama na druhem radku vedle dvou prazdnych mist.
     Zmeneno 7. 9. 2026 pri doplneni grafiky a webu. */
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

[data-theme="cyber"] .service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-theme);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.35s ease;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

[data-theme="cyber"] .service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-cyan);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.2);
}

[data-theme="cyber"] .service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

[data-theme="cyber"] .service-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

[data-theme="cyber"] .service-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

[data-theme="cyber"] .service-feature-list {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

[data-theme="cyber"] .service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: #cbd5e1;
}

[data-theme="cyber"] .service-feature-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* ==========================================================================
   PARALLAX STATS BANNER
   ========================================================================== */
[data-theme="cyber"] .parallax-banner {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(8, 12, 20, 0.8) 0%, rgba(14, 22, 38, 0.95) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="cyber"] .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 2;
}

[data-theme="cyber"] .stat-card {
  text-align: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
}

[data-theme="cyber"] .stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

[data-theme="cyber"] .stat-title {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

/* ==========================================================================
   WHY CHOOSE US / ADVANTAGES
   ========================================================================== */
[data-theme="cyber"] .section-about {
  padding: 6rem 0;
}

[data-theme="cyber"] .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

[data-theme="cyber"] .about-badges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

[data-theme="cyber"] .about-badge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

[data-theme="cyber"] .about-badge-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.15);
}

[data-theme="cyber"] .badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

[data-theme="cyber"] .badge-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

[data-theme="cyber"] .badge-copy {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ==========================================================================
   INQUIRY & CONTACT SECTION
   ========================================================================== */
[data-theme="cyber"] .section-contact {
  padding: 6rem 0;
  background: var(--bg-secondary);
  position: relative;
  border-top: 1px solid var(--border-color);
}

[data-theme="cyber"] .contact-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}

[data-theme="cyber"] .inquiry-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-theme);
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="cyber"] .form-group {
  margin-bottom: 1.3rem;
}

[data-theme="cyber"] .form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

[data-theme="cyber"] .form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(8, 12, 20, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 8px;
  color: #ffffff;
  transition: all 0.25s ease;
}

[data-theme="cyber"] .form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

[data-theme="cyber"] .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

[data-theme="cyber"] .contact-info-card {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

[data-theme="cyber"] .company-data-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-theme);
  padding: 2rem;
}

[data-theme="cyber"] .company-data-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="cyber"] .company-data-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

[data-theme="cyber"] .company-data-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="cyber"] .company-data-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

[data-theme="cyber"] .company-data-val {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
}

[data-theme="cyber"] .company-data-val a:hover {
  color: var(--accent-cyan);
}

[data-theme="cyber"] .site-footer {
  background: #04070c;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 3rem 0 2rem 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

[data-theme="cyber"] .footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
}

/* Responsive tweaks for Cyber */
@media (max-width: 992px) {
  [data-theme="cyber"] .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  [data-theme="cyber"] .services-grid {
    grid-template-columns: 1fr;
  }
  [data-theme="cyber"] .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  [data-theme="cyber"] .about-grid {
    grid-template-columns: 1fr;
  }
  [data-theme="cyber"] .contact-wrapper {
    grid-template-columns: 1fr;
  }
  [data-theme="cyber"] .nav-links {
    display: none;
  }
}