/* =========================================================
   HTSys — doplnkové štýly nad Tailwind CDN
   ========================================================= */

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

::selection {
  background-color: #00D2FF;
  color: #0A192F;
}

/* Visible keyboard focus everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #00D2FF;
  outline-offset: 2px;
  border-radius: 4px;
}

/* =========================================================
   NAVBAR
   ========================================================= */
#navbar.scrolled {
  box-shadow: 0 4px 24px rgba(10, 25, 47, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background-color: #00D2FF;
  transition: width 0.3s ease;
}

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

/* Hamburger icon */
.hamburger-line {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background-color: #0A192F;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.hamburger-top {
  top: 13px;
}

.hamburger-mid {
  top: 19px;
}

.hamburger-bottom {
  top: 25px;
}

#menu-toggle.open .hamburger-top {
  top: 19px;
  transform: rotate(45deg);
}

#menu-toggle.open .hamburger-mid {
  opacity: 0;
}

#menu-toggle.open .hamburger-bottom {
  top: 19px;
  transform: rotate(-45deg);
}

/* Mobile menu open state */
#mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-link {
  color: #1E293B;
  transition: color 0.2s ease;
}

.mobile-nav-link:hover {
  color: #00D2FF;
}

/* =========================================================
   REFERENCE — TABS
   ========================================================= */
.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748B;
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  border-color: #00D2FF;
  color: #0A192F;
}

.tab-btn.active {
  background-color: #0A192F;
  border-color: #0A192F;
  color: #FFFFFF;
}

.ref-panel {
  scroll-margin-top: 150px;
}

/* Reference logo blocks */
.ref-logo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #F1F5F9;
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter 0.3s ease, opacity 0.3s ease;
}

.ref-logo:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.ref-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

.ref-logo > i {
  color: #00D2FF;
  flex-shrink: 0;
}

.ref-logo > span {
  font-weight: 700;
  color: #0A192F;
  font-size: 1rem;
}

.ref-logo > span > small {
  font-weight: 400;
  color: #64748B;
  font-size: 0.75rem;
  margin-left: 0.35rem;
}

.ref-logo > p {
  width: 100%;
  font-size: 0.875rem;
  color: #64748B;
  margin: 0;
}

/* =========================================================
   GDPR MODAL
   ========================================================= */
#gdpr-modal.flex-visible {
  display: flex;
}

#gdpr-modal .relative {
  animation: modalPop 0.25s ease;
}

@keyframes modalPop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* =========================================================
   SUCCESS ALERT
   ========================================================= */
#success-alert.flex-visible {
  display: flex;
}

#success-alert.show {
  transform: translateY(0);
  opacity: 1;
}

/* =========================================================
   ACCESSIBILITY / MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* Custom scrollbar for the small disclaimer box */
.overflow-y-auto::-webkit-scrollbar {
  width: 6px;
}

.overflow-y-auto::-webkit-scrollbar-thumb {
  background-color: rgba(0, 210, 255, 0.4);
  border-radius: 9999px;
}

/* =========================================================
   COOKIE LIŠTA
   ========================================================= */
#cookie-banner {
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

#cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
}