/* ============================================
   INFLUENGO.CZ — Design System & Theme CSS
   ============================================ */

/* --- THEME: Ivory (Warm Light) --- */
[data-theme="ivory"] {
  --t-bg-primary: #FDFBF7;
  --t-bg-secondary: #F5F0E8;
  --t-bg-card: #FFFFFF;
  --t-bg-elevated: #FFFFFF;
  --t-text-primary: #1A1614;
  --t-text-secondary: #5C534A;
  --t-text-tertiary: #9C9088;
  --t-text-inverse: #FFFFFF;
  --t-accent: #4338CA;
  --t-accent-hover: #3730A3;
  --t-accent-subtle: rgba(67, 56, 202, 0.08);
  --t-accent-secondary: #D97706;
  --t-accent-secondary-hover: #B45309;
  --t-border: #E8E0D4;
  --t-border-strong: #D4C9B8;
  --t-divider: #EDE7DB;
  --t-nav-bg: rgba(253, 251, 247, 0.80);
  --t-nav-bg-scrolled: rgba(253, 251, 247, 0.95);
  --t-nav-text: #5C534A;
  --t-nav-text-active: #4338CA;
  --t-dark-bg: #1E1B4B;
  --t-dark-text: #E0E7FF;
  --t-dark-text-secondary: #A5B4FC;
  --t-dark-accent: #818CF8;
  --t-btn-primary-bg: #4338CA;
  --t-btn-primary-text: #FFFFFF;
  --t-btn-primary-hover: #3730A3;
  --t-btn-secondary-bg: transparent;
  --t-btn-secondary-text: #4338CA;
  --t-btn-secondary-border: #4338CA;
  --t-btn-secondary-hover-bg: rgba(67, 56, 202, 0.06);
  --t-shadow-sm: 0 1px 2px rgba(140,120,100,0.06);
  --t-shadow-md: 0 4px 12px rgba(140,120,100,0.08);
  --t-shadow-lg: 0 12px 40px rgba(140,120,100,0.12);
  --t-focus-ring: #818CF8;
  --t-selection-bg: #C7D2FE;
  --t-selection-text: #1E1B4B;
  --t-glow: rgba(67, 56, 202, 0.25);
}

/* --- THEME: Arctic (Cool Light) --- */
[data-theme="arctic"] {
  --t-bg-primary: #F8FAFC;
  --t-bg-secondary: #F1F5F9;
  --t-bg-card: #FFFFFF;
  --t-bg-elevated: #FFFFFF;
  --t-text-primary: #0F172A;
  --t-text-secondary: #475569;
  --t-text-tertiary: #94A3B8;
  --t-text-inverse: #FFFFFF;
  --t-accent: #0D9488;
  --t-accent-hover: #0F766E;
  --t-accent-subtle: rgba(13, 148, 136, 0.08);
  --t-accent-secondary: #7C3AED;
  --t-accent-secondary-hover: #6D28D9;
  --t-border: #E2E8F0;
  --t-border-strong: #CBD5E1;
  --t-divider: #E2E8F0;
  --t-nav-bg: rgba(248, 250, 252, 0.80);
  --t-nav-bg-scrolled: rgba(248, 250, 252, 0.95);
  --t-nav-text: #475569;
  --t-nav-text-active: #0D9488;
  --t-dark-bg: #0F172A;
  --t-dark-text: #F1F5F9;
  --t-dark-text-secondary: #94A3B8;
  --t-dark-accent: #2DD4BF;
  --t-btn-primary-bg: #0D9488;
  --t-btn-primary-text: #FFFFFF;
  --t-btn-primary-hover: #0F766E;
  --t-btn-secondary-bg: transparent;
  --t-btn-secondary-text: #0D9488;
  --t-btn-secondary-border: #0D9488;
  --t-btn-secondary-hover-bg: rgba(13, 148, 136, 0.06);
  --t-shadow-sm: 0 1px 2px rgba(100,116,139,0.06);
  --t-shadow-md: 0 4px 12px rgba(100,116,139,0.08);
  --t-shadow-lg: 0 12px 40px rgba(100,116,139,0.12);
  --t-focus-ring: #5EEAD4;
  --t-selection-bg: #CCFBF1;
  --t-selection-text: #134E4A;
  --t-glow: rgba(13, 148, 136, 0.25);
}

/* --- THEME: Obsidian (Dark) --- */
[data-theme="obsidian"] {
  --t-bg-primary: #09090B;
  --t-bg-secondary: #18181B;
  --t-bg-card: #1C1C20;
  --t-bg-elevated: #27272A;
  --t-text-primary: #FAFAFA;
  --t-text-secondary: #A1A1AA;
  --t-text-tertiary: #71717A;
  --t-text-inverse: #09090B;
  --t-accent: #3B82F6;
  --t-accent-hover: #60A5FA;
  --t-accent-subtle: rgba(59, 130, 246, 0.12);
  --t-accent-secondary: #A78BFA;
  --t-accent-secondary-hover: #C4B5FD;
  --t-border: #27272A;
  --t-border-strong: #3F3F46;
  --t-divider: #27272A;
  --t-nav-bg: rgba(9, 9, 11, 0.80);
  --t-nav-bg-scrolled: rgba(9, 9, 11, 0.95);
  --t-nav-text: #A1A1AA;
  --t-nav-text-active: #3B82F6;
  --t-dark-bg: #FAFAFA;
  --t-dark-text: #18181B;
  --t-dark-text-secondary: #52525B;
  --t-dark-accent: #2563EB;
  --t-btn-primary-bg: #3B82F6;
  --t-btn-primary-text: #FFFFFF;
  --t-btn-primary-hover: #60A5FA;
  --t-btn-secondary-bg: transparent;
  --t-btn-secondary-text: #3B82F6;
  --t-btn-secondary-border: #3B82F6;
  --t-btn-secondary-hover-bg: rgba(59, 130, 246, 0.10);
  --t-shadow-sm: 0 1px 2px rgba(0,0,0,0.30);
  --t-shadow-md: 0 4px 12px rgba(0,0,0,0.40);
  --t-shadow-lg: 0 12px 40px rgba(0,0,0,0.50);
  --t-focus-ring: #3B82F6;
  --t-selection-bg: #1E3A5F;
  --t-selection-text: #DBEAFE;
  --t-glow: rgba(59, 130, 246, 0.3);
}

/* --- BASE --- */
html, body {
  background-color: var(--t-bg-primary);
  color: var(--t-text-primary);
  transition: background-color 0.4s ease, color 0.4s ease;
}
::selection {
  background-color: var(--t-selection-bg);
  color: var(--t-selection-text);
}

/* --- THEME UTILITIES --- */
.bg-theme-primary { background-color: var(--t-bg-primary); }
.bg-theme-secondary { background-color: var(--t-bg-secondary); }
.bg-theme-card { background-color: var(--t-bg-card); }
.bg-theme-elevated { background-color: var(--t-bg-elevated); }
.bg-theme-dark { background-color: var(--t-dark-bg); }
.bg-theme-accent-subtle { background-color: var(--t-accent-subtle); }

.text-theme-primary { color: var(--t-text-primary); }
.text-theme-secondary { color: var(--t-text-secondary); }
.text-theme-tertiary { color: var(--t-text-tertiary); }
.text-theme-inverse { color: var(--t-text-inverse); }
.text-theme-accent { color: var(--t-accent); }
.text-theme-accent-secondary { color: var(--t-accent-secondary); }
.text-theme-dark { color: var(--t-dark-text); }
.text-theme-dark-secondary { color: var(--t-dark-text-secondary); }
.text-theme-dark-accent { color: var(--t-dark-accent); }

.border-theme { border-color: var(--t-border); }
.border-theme-strong { border-color: var(--t-border-strong); }
.shadow-theme-sm { box-shadow: var(--t-shadow-sm); }
.shadow-theme-md { box-shadow: var(--t-shadow-md); }
.shadow-theme-lg { box-shadow: var(--t-shadow-lg); }

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.75rem;
  padding: 0.875rem 2rem; border-radius: 9999px;
  font-weight: 600; font-size: 0.9375rem;
  background: var(--t-btn-primary-bg); color: var(--t-btn-primary-text);
  border: none; cursor: pointer; text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.btn-primary:hover {
  background: var(--t-btn-primary-hover);
  box-shadow: 0 8px 30px var(--t-glow);
  transform: translateY(-2px);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8125rem 1.75rem; border-radius: 9999px;
  font-weight: 500; font-size: 0.9375rem;
  background: var(--t-btn-secondary-bg); color: var(--t-btn-secondary-text);
  border: 2px solid var(--t-btn-secondary-border); cursor: pointer;
  text-decoration: none;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.btn-secondary:hover {
  background: var(--t-btn-secondary-hover-bg);
  transform: translateY(-1px);
}

/* --- NAVIGATION --- */
.nav-main {
  background: var(--t-nav-bg);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav-main.scrolled {
  background: var(--t-nav-bg-scrolled);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--t-border);
}
.nav-link { color: var(--t-nav-text); transition: color 0.2s ease; }
.nav-link:hover, .nav-link.active { color: var(--t-nav-text-active); }

/* --- THEME SWITCHER --- */
.theme-switcher {
  display: inline-flex; align-items: center; gap: 2px; padding: 3px;
  border-radius: 9999px; background: var(--t-bg-secondary);
  border: 1px solid var(--t-border); position: relative;
}
.theme-switcher__btn {
  position: relative; z-index: 1; display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 9999px; border: none;
  background: transparent; cursor: pointer; transition: transform 0.15s ease; padding: 0;
}
.theme-switcher__btn:hover { transform: scale(1.1); }
.theme-switcher__btn:focus-visible { outline: 2px solid var(--t-focus-ring); outline-offset: 2px; }
.theme-switcher__swatch {
  display: block; width: 18px; height: 18px; border-radius: 9999px;
  border: 2px solid transparent; transition: all 0.2s ease;
}
.theme-switcher__swatch--ivory { background: linear-gradient(135deg, #FDFBF7 50%, #4338CA 50%); border-color: #E8E0D4; }
.theme-switcher__swatch--arctic { background: linear-gradient(135deg, #F8FAFC 50%, #0D9488 50%); border-color: #E2E8F0; }
.theme-switcher__swatch--obsidian { background: linear-gradient(135deg, #09090B 50%, #3B82F6 50%); border-color: #3F3F46; }
.theme-switcher__btn[aria-checked="true"] .theme-switcher__swatch {
  box-shadow: 0 0 0 2px var(--t-accent); border-color: var(--t-accent);
}
.theme-switcher__indicator {
  position: absolute; top: 3px; left: 3px; width: 28px; height: 28px;
  border-radius: 9999px; background: var(--t-bg-card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1); z-index: 0;
}
.theme-switcher__indicator[data-position="0"] { transform: translateX(0); }
.theme-switcher__indicator[data-position="1"] { transform: translateX(30px); }
.theme-switcher__indicator[data-position="2"] { transform: translateX(60px); }

/* --- PRELOADER --- */
.preloader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--t-bg-primary);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.preloader.loaded { transform: translateY(-100%); pointer-events: none; }
.preloader__inner {
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
}
.preloader__logo {
  font-size: 2rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--t-accent);
  animation: preloader-fade-in 0.4s ease-out;
}
@keyframes preloader-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.preloader__track {
  width: 160px; height: 3px;
  background: var(--t-border);
  border-radius: 9999px;
  overflow: hidden;
}
.preloader__bar {
  height: 100%; width: 0;
  background: var(--t-accent);
  border-radius: 9999px;
  animation: preloader-progress 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes preloader-progress {
  0% { width: 0; }
  100% { width: 100%; }
}

/* --- BENTO CARD --- */
.bento-card {
  background: var(--t-bg-card);
  border: 1px solid var(--t-border);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}
.bento-card .bento-grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.bento-card:hover {
  border-color: var(--t-accent);
  box-shadow: 0 8px 30px var(--t-glow);
}

/* --- DEMO CTA GLOW --- */
.demo-cta-glow {
  animation: demo-glow 2s ease-in-out infinite;
}
@keyframes demo-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--t-glow); }
  50% { box-shadow: 0 0 16px 4px var(--t-glow); }
}

/* --- DOODLE ARROW DRAW --- */
@keyframes doodle-draw {
  to { stroke-dashoffset: 0; }
}

/* --- HERO DASHBOARD VISUAL --- */
.hero-dashboard,
.hero-float-card {
  will-change: auto;
}
.hero-float-card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.hero-chart-line {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: hero-chart-draw 3.5s cubic-bezier(0.25, 0.1, 0.25, 1) 1.5s forwards;
}
.hero-chart-area {
  opacity: 0;
  animation: hero-chart-area-in 1s ease-out 4.5s forwards;
}
.hero-chart-dot {
  opacity: 0;
  animation: hero-chart-dot-in 0.4s ease-out 5s forwards;
}
@keyframes hero-chart-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes hero-chart-area-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes hero-chart-dot-in {
  from { opacity: 0; transform: scale(0); }
  to { opacity: 1; transform: scale(1); }
}
.hero-progress-bar {
  animation: hero-progress 3s ease-in-out infinite;
}
@keyframes hero-progress {
  0%, 100% { background: var(--t-border); }
  50% { background: var(--t-accent); opacity: 0.4; }
}
.hero-orb-glow {
  animation: hero-orb-pulse 4s ease-in-out infinite;
}
@keyframes hero-orb-pulse {
  0%, 100% { opacity: 0.12; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.2; transform: translate(-50%, -50%) scale(1.1); }
}
/* --- HERO FLOATING CARDS --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes float-delayed {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delayed { animation: float-delayed 5s ease-in-out 1s infinite; }
.animate-float-slow { animation: float 8s ease-in-out 0.5s infinite; }

/* --- GRADIENT TEXT --- */
.text-gradient {
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 0.15em 0.05em 0.2em 0;
  margin: -0.15em 0 -0.2em 0;
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* --- PULSING DOT --- */
.pulse-dot {
  width: 8px; height: 8px; border-radius: 9999px;
  background: var(--t-accent);
  position: relative;
}
.pulse-dot::before {
  content: ''; position: absolute; inset: -3px;
  border-radius: 9999px; background: var(--t-accent);
  animation: pulse-ring 2s ease-out infinite; opacity: 0;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* --- CTA GRID GLOW --- */
.cta-grid {
  position: relative; overflow: hidden;
}
.cta-grid::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--t-border-strong) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.3;
  mask-image: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), black, transparent);
  -webkit-mask-image: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), black, transparent);
}

/* --- WORKFLOW DIAGRAM --- */
.workflow-node {
  background: var(--t-bg-card);
  border: 1px solid var(--t-border);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}
.workflow-line {
  stroke: var(--t-border-strong);
  stroke-width: 2;
  stroke-dasharray: 8 4;
  fill: none;
}

/* --- CHAT MOCKUP --- */
.chat-bubble {
  background: var(--t-bg-elevated);
  border: 1px solid var(--t-border);
  border-radius: 1rem 1rem 1rem 0.25rem;
  padding: 0.75rem 1rem;
}
.chat-bubble--bot {
  border-radius: 1rem 1rem 0.25rem 1rem;
  background: var(--t-accent-subtle);
  border-color: var(--t-accent);
}
.typing-indicator span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--t-text-tertiary);
  display: inline-block;
  animation: typing-bounce 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* --- STAT COUNTER --- */
.stat-number {
  color: var(--t-accent);
  line-height: 1;
}

/* --- STATS CONTAINER SCROLL --- */
.stats-scroll-section {
  position: relative;
}
.stats-scroll-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
}
.stats-scroll-header {
  text-align: center;
  max-width: 36rem;
  margin-bottom: 2rem;
}
.stats-scroll-card-wrapper {
  width: 100%;
  max-width: 56rem;
}
@media (min-width: 768px) {
  .stats-scroll-section {
    height: 60rem;
  }
  .stats-scroll-container {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    padding: 2rem 1.5rem;
  }
  .stats-scroll-card-wrapper {
    perspective: 1060px;
  }
}
@media (min-width: 1024px) {
  .stats-scroll-section { height: 70rem; }
}
.stats-scroll-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform-origin: top center;
  overflow: hidden;
  box-shadow:
    0 0 #0000004d, 0 9px 20px #0000004a, 0 37px 37px #00000042,
    0 84px 50px #00000026, 0 149px 60px #0000000a, 0 233px 65px #00000003,
    0 0 80px -20px var(--t-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.stats-scroll-grid .stats-scroll-stat {
  border: 0.5px solid rgba(255, 255, 255, 0.06);
}
[data-theme="obsidian"] .stats-scroll-grid .stats-scroll-stat {
  border-color: rgba(255, 255, 255, 0.04);
}
[data-theme="obsidian"] .stats-scroll-card {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.3),
    0 0 80px -20px var(--t-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* --- ANIMATION INITIAL STATES ---
   Set via JS only — no CSS hiding to ensure content always visible */

@media (prefers-reduced-motion: reduce) {
  .animate-float, .animate-float-delayed, .animate-float-slow { animation: none; }
  html, body { transition: none; }
  .preloader { display: none; }
  .stats-scroll-section { height: auto; }
  .stats-scroll-container { position: relative; height: auto; padding: 4rem 1.5rem; }
  .stats-scroll-card { transform: none !important; }
  .stats-scroll-header { transform: none !important; }
}