/* Sencurio 1.0 — theme-ui.css: základ tématu (tokeny z tokens.css). Importuje theme.css -> landing.css */
/* ─── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (max-width: 768px) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ─── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-scrollbar);
}
::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar-thumb);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ─── Navbar / Header ──────────────────────────────────────────────────────── */
.navbar,
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  min-height: var(--navbar-height, 68px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  gap: 1rem;
  background: var(--color-bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

/* Glass effect: semi-transparent nav so content blurs through */
.header.glass {
  background: var(--color-glass-bg);
  border: none;
  border-bottom: 1px solid var(--color-glass-border);
  border-radius: 0;
  box-shadow: none;
}

.navbar .navbar-logo,
.header .navbar-logo,
.header .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
}

.navbar .navbar-logo img,
.header .navbar-logo img {
  height: 32px;
  width: auto;
}

.header .logo-icon { width: 32px; height: 32px; flex-shrink: 0; color: var(--color-primary); }
.header .logo-text { color: var(--color-text-primary); }

.navbar .nav,
.header .nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.navbar .nav a,
.header .nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.navbar .nav a:hover,
.header .nav a:hover {
  color: var(--color-text-primary);
}

.header .hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text-primary);
}

.header .hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.header .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-weight: 600;
  text-decoration: none;
  border-radius: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.2s ease;
  box-shadow: var(--shadow-card);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
  background: var(--color-primary-light);
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  font-weight: 600;
  text-decoration: none;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.3s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
}

.btn-cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-cta);
  color: var(--color-cta-text);
  font-weight: 600;
  text-decoration: none;
  border-radius: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.2s ease;
  box-shadow:
    var(--shadow-card),
    0 0 0 1px color-mix(in srgb, var(--color-cta) 28%, transparent),
    0 6px 20px color-mix(in srgb, var(--color-cta) 18%, transparent);
}

.btn-cta:hover {
  transform: translateY(-2px);
  background: var(--color-cta-hover);
  box-shadow:
    var(--shadow-elevated),
    0 0 0 1px color-mix(in srgb, var(--color-cta) 22%, transparent),
    0 12px 32px color-mix(in srgb, var(--color-cta) 42%, transparent);
}

.btn-cta:focus {
  outline: none;
}

/* Klávesnice: bez modrého obrysu — jemný stisk + světlejší plocha */
.btn-cta:focus-visible {
  outline: none;
  transform: translateY(1px);
  background: var(--color-cta-hover);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--color-cta-text) 22%, transparent),
    inset 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.btn-cta:focus-visible:hover {
  transform: translateY(1px);
  background: var(--color-cta-hover);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--color-cta-text) 22%, transparent),
    inset 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.btn-cta:active {
  transform: translateY(1px);
  background: var(--color-cta-hover);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--color-cta-text) 18%, transparent),
    inset 0 2px 10px rgba(0, 0, 0, 0.12);
}

/* ─── Login button (navbar) ─────────────────────────────────────────────────── */
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full, 9999px);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm, 0.9375rem);
  font-weight: 500;
  text-decoration: none;
  background: transparent;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn-login:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(26, 111, 232, 0.05);
}

[data-theme="dark"] .btn-login:hover {
  background: rgba(74, 144, 240, 0.1);
}

/* ─── Card / Glass ─────────────────────────────────────────────────────────── */
.card,
.glass {
  background: var(--color-bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
}

/* ─── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 2rem 1rem;
  overflow: hidden;
  background: var(--color-bg-base);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-bg-base) 0%, var(--color-bg-elevated) 50%, var(--color-bg-base) 100%);
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
  z-index: 0;
}

.hero-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  overflow: hidden;
  z-index: 1;
}

/* Starý hero: tři přímo vložené <svg> — nový markup používá .hero-waves__* (landing.css). */
.hero-waves > svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: waves 12s ease-in-out infinite;
}

.hero-waves > svg:nth-child(2) { animation-delay: -4s; opacity: 0.5; }
.hero-waves > svg:nth-child(3) { animation-delay: -8s; opacity: 0.3; }

.hero-radar {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.radar-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse-ring 3s ease-out infinite;
}

.radar-ring:nth-child(1) { width: 80px; height: 80px; animation-delay: 0s; }
.radar-ring:nth-child(2) { width: 140px; height: 140px; animation-delay: 0.5s; }
.radar-ring:nth-child(3) { width: 200px; height: 200px; animation-delay: 1s; }
.radar-ring:nth-child(4) { width: 260px; height: 260px; animation-delay: 1.5s; }
.radar-ring:nth-child(5) { width: 320px; height: 320px; animation-delay: 2s; }

.hero-content {
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

.hero-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-logo-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
}

.hero-logo-text {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ─── Badge Status ─────────────────────────────────────────────────────────── */
.badge-status-ok { background: var(--color-status-ok); color: var(--color-text-on-primary); }
.badge-status-warning { background: var(--color-status-warning); color: var(--color-text-primary); }
.badge-status-danger { background: var(--color-status-danger); color: var(--color-text-on-primary); }
.badge-status-fall-suspect { background: var(--color-status-fall-suspect); color: var(--color-text-on-primary); }
.badge-status-fall-confirmed { background: var(--color-status-fall-confirmed); color: var(--color-text-on-primary); }
.badge-status-offline { background: var(--color-status-offline); color: var(--color-text-primary); }

/* ─── Layout ───────────────────────────────────────────────────────────────── */
.landing-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ─── Sections ────────────────────────────────────────────────────────────── */
/* Vyloučit plovoucí cookie lištu — jinak by globální padding vytvářel mezeru od spodní hrany viewportu.
 * .page-3d-demo je fullbleed pod navbar — bez svislého paddingu (viz demo/index.php). */
section:not(.cookie-consent):not(.page-3d-demo) {
  padding: 5rem 0;
}

.section-title {
  font-family: 'Poppins', 'Inter', system-ui, sans-serif;
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ─── Features Grid ────────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 1.5rem;
  transition: transform 0.3s ease;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem 0;
  color: var(--color-text-primary);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0;
}

/* ─── Timeline ────────────────────────────────────────────────────────────── */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-item:nth-child(odd) .timeline-content { text-align: right; }

.timeline-dot {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-surface);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  z-index: 2;
}

.timeline-dot svg { width: 24px; height: 24px; color: var(--color-primary); }

.timeline-content {
  flex: 1;
  padding: 1rem;
}

.timeline-content h3 { margin: 0 0 0.25rem 0; font-size: 1rem; color: var(--color-text-primary); }
.timeline-content p { margin: 0; color: var(--color-text-secondary); font-size: 0.875rem; }

/* ─── Stats ───────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stat-item {
  padding: 1.5rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ─── Tech Stack ───────────────────────────────────────────────────────────── */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  align-items: center;
}

.tech-item {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
}

.tech-item:hover { color: var(--color-text-primary); }
.tech-item svg { width: 32px; height: 32px; flex-shrink: 0; color: var(--color-primary); }

/* ─── CTA Section & Contact Form ──────────────────────────────────────────── */
.cta-section {
  text-align: center;
  padding: 4rem 0;
}

.contact-form {
  max-width: 480px;
  margin: 2rem auto 0;
  text-align: left;
  position: relative;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text-primary);
  font-size: 1rem;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
}

.contact-form textarea { min-height: 100px; resize: vertical; }

.contact-form .honeypot-wrap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

.contact-form .honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; }

.form-message { margin-top: 1rem; padding: 0.75rem; border-radius: 0.5rem; }
.form-message--success { background: var(--color-status-ok); color: var(--color-text-on-primary); }
.form-message--error { background: var(--color-status-danger); color: var(--color-text-on-primary); }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-secondary);
}

.footer p { margin: 0; font-size: 0.875rem; }

/* ─── Reveal Animations ───────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Úzké viewporty: žádný posun + kratší fade — méně vrstev kompozice než translate + transition. */
@media (max-width: 768px) {
  .reveal {
    transform: none;
    transition: opacity 0.35s ease;
  }

  .reveal.visible {
    transform: none;
  }
}

/* ─── Keyframes ───────────────────────────────────────────────────────────── */
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes waves {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-25px); }
}

@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0; }
}

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

/* ─── Mobile Menu ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .header .hamburger { display: flex; }
  .header .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: var(--color-bg-surface);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    gap: 0.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  }
  .header .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-logo-text { font-size: 1.5rem; }
  .hero-tagline { font-size: 1rem; }
  .section-title { font-size: 1.5rem; }
  .timeline::before { left: 24px; }
  .timeline-item { flex-direction: row !important; gap: 1rem; }
  .timeline-item .timeline-content { text-align: left !important; }
  .timeline-dot { width: 40px; height: 40px; }
  .timeline-dot svg { width: 20px; height: 20px; }
  .hero-radar { width: 250px; height: 250px; opacity: 0.2; }
  .radar-ring:nth-child(5) { width: 200px; height: 200px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }
}

/* ─── Theme Toggle ────────────────────────────────────────────────────────── */
.theme-toggle-pill {
  display: inline-flex;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: none;
  border-radius: 0;
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.2s ease, color 0.15s ease;
}

.theme-toggle-btn:hover {
  background: var(--color-bg-surface);
}

.theme-toggle-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  font-size: 1.25rem;
  transition: background-color 0.2s ease, color 0.15s ease;
}

.theme-toggle-icon:hover {
  background: var(--color-bg-elevated);
}

.footer .theme-toggle-pill {
  margin-top: 1rem;
  display: inline-flex;
}