/* ==========================================================================
   OpravaBytov.sk - Modern Design System & Stylesheet
   Verzia: 2.0 (2026 Edition)
   ========================================================================== */

:root {
  /* Farebná paleta */
  --bg-dark: #070a12;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-elevated: #0f172a;
  
  --primary: #f59e0b; /* Stavebný jantár / luxusný akcent */
  --primary-glow: rgba(245, 158, 11, 0.25);
  --primary-light: #fbbf24;
  
  --accent: #10b981; /* Úspora / garancia kvality */
  --accent-glow: rgba(16, 185, 129, 0.2);
  
  --cyan: #06b6d4; /* Presnosť a technologickosť */
  --cyan-glow: rgba(6, 182, 212, 0.2);
  
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(245, 158, 11, 0.4);
  
  /* Typografia */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Rozostupy a rádiusy */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Základ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

/* Lenis Kinetické Scrollovanie */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 45%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
    linear-gradient(to bottom, #070a12, #0b1120);
  min-height: 100vh;
}

/* Živá technická blueprint mriežka s laserovým skenerom */
.blueprint-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1400px;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blueprint-grid::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(245, 158, 11, 0.6) 30%, rgba(6, 182, 212, 0.8) 50%, rgba(245, 158, 11, 0.6) 70%, transparent 100%);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.4), 0 0 25px rgba(6, 182, 212, 0.3);
  opacity: 0.65;
  animation: blueprintScan 14s infinite ease-in-out;
}

@keyframes blueprintScan {
  0% { top: -2%; opacity: 0; }
  10% { opacity: 0.7; }
  85% { opacity: 0.7; }
  100% { top: 102%; opacity: 0; }
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }
}

/* Typografia & Utility */
h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Horný predajný pruh (Investor Acquisition Banner) */
.sale-banner {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.15), rgba(6, 182, 212, 0.15));
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  padding: 10px 16px;
  font-size: 0.88rem;
  text-align: center;
  position: relative;
  z-index: 100;
}

.sale-banner a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fef08a;
  font-weight: 600;
  flex-wrap: wrap;
  justify-content: center;
}

.sale-banner a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.sale-pill {
  background: #f59e0b;
  color: #0f172a;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigácia */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 10, 18, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 18px 0;
  transition: var(--transition);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  font-weight: 900;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text-main);
}

/* Mobilné menu toggle (hamburger tlačidlo) */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 960px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: rgba(7, 10, 18, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    z-index: 99;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 13px 4px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
  }

  .nav-links a:hover {
    color: var(--primary);
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.15rem;
    gap: 8px;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
  }
  .btn-header-cta {
    padding: 7px 14px;
    font-size: 0.8rem;
  }
  .nav-actions {
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .btn-header-cta {
    display: none !important;
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0b0f19;
  font-weight: 700;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.4);
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-glow:hover::after {
  opacity: 1;
}

/* Hero Sekcia */
.hero {
  padding: 70px 0 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fbbf24;
  margin-bottom: 24px;
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 10px #f59e0b;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  max-width: 960px;
  margin: 0 auto 20px;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 40px auto 0;
}

.stat-box {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  transition: var(--transition);
}

.stat-box:hover {
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-3px);
}

.stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Sekcia Kalkulačka */
.section-calc {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-tag {
  font-size: 0.82rem;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Kalkulačka Layout */
.calc-card {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  position: relative;
}

@media (max-width: 960px) {
  .calc-card {
    grid-template-columns: 1fr;
  }
}

.calc-controls {
  padding: 40px;
  border-right: 1px solid var(--border-subtle);
}

@media (max-width: 600px) {
  .calc-controls {
    padding: 24px;
  }
}

.calc-group {
  margin-bottom: 30px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--text-main);
}

.calc-hint {
  color: var(--primary);
  font-weight: 700;
}

/* Prepínače izieb */
.room-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.room-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.room-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.room-btn.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--primary);
  color: #fbbf24;
  box-shadow: 0 0 12px var(--primary-glow);
}

/* Posuvník výmery */
.slider-wrap {
  position: relative;
  margin-top: 10px;
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #0f172a;
  box-shadow: 0 0 12px var(--primary-glow);
  cursor: pointer;
  transition: transform 0.15s;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Prepínače štandardu */
.standard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.standard-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.standard-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.standard-card.active {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--cyan);
  box-shadow: 0 0 14px var(--cyan-glow);
}

.standard-name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--text-main);
}

.standard-rate {
  font-size: 0.78rem;
  color: var(--text-dim);
}

@media (max-width: 480px) {
  .standard-grid {
    gap: 6px;
  }
  .standard-card {
    padding: 10px 4px;
  }
  .standard-name {
    font-size: 0.82rem;
  }
  .standard-rate {
    font-size: 0.68rem;
  }
}

@media (max-width: 400px) {
  .room-selector {
    gap: 6px;
  }
  .room-btn {
    padding: 10px 4px;
    font-size: 0.82rem;
  }
  .calc-controls, .calc-result-panel {
    padding: 18px 14px !important;
  }
}

/* Prepínače položiek prác (Checkboxes) */
.tasks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (max-width: 500px) {
  .tasks-grid {
    grid-template-columns: 1fr;
  }
}

.task-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.task-checkbox-label:hover {
  background: rgba(255, 255, 255, 0.05);
}

.task-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary);
  width: 17px;
  height: 17px;
  cursor: pointer;
}

.task-checkbox-label.checked {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.06);
}

/* Výsledkový panel kalkulačky */
.calc-result-panel {
  padding: 40px;
  background: linear-gradient(180deg, rgba(11, 17, 32, 0.95) 0%, rgba(7, 10, 18, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (max-width: 600px) {
  .calc-result-panel {
    padding: 24px;
  }
}

.result-badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.price-display {
  margin: 16px 0 24px;
}

.price-label {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.price-range {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.price-range span {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.breakdown-list {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  min-height: 28px;
}

.breakdown-row .label {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.breakdown-row .val {
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  min-width: 95px;
}

/* Interaktívny Before / After Slider */
.section-comparison {
  padding: 80px 0;
}

.compare-card {
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
  background: #000;
}

.compare-container {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  user-select: none;
}

@media (max-width: 600px) {
  .compare-container {
    height: 320px;
  }
}

.compare-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.compare-before {
  background-color: #1a1a1a;
  background-image: url('../images/before.jpg');
  background-size: cover;
  background-position: center;
}

.compare-after {
  background-color: #0f172a;
  background-image: url('../images/after.jpg');
  background-size: cover;
  background-position: center;
  width: 50%;
  border-right: 3px solid #f59e0b;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.6);
}

/* Trust Badges & Pečate */
.trust-badges-wrap {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 30px auto 0;
  max-width: 900px;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.trust-badge-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.compare-badge {
  position: absolute;
  top: 20px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 5;
}

.badge-before {
  right: 20px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #d1d5db;
}

.badge-after {
  left: 20px;
  background: rgba(245, 158, 11, 0.9);
  color: #090d16;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.compare-slider-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 10;
}

.compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: #f59e0b;
  border: 3px solid #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  box-shadow: 0 0 20px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 6;
}

/* Cenový Radar Miest */
.section-cities {
  padding: 80px 0;
}

.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.city-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.city-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.city-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.city-name {
  font-size: 1.25rem;
  font-weight: 700;
}

.city-demand {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.city-price-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.city-price-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.city-details {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Sprievodca krok za krokom (Timeline) */
.section-guide {
  padding: 80px 0;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-3px);
}

.step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
  margin-bottom: 12px;
}

.step-card:hover .step-num {
  color: var(--cyan);
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ Sekcia */
.section-faq {
  padding: 80px 0;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-q {
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-a {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

/* Pätička */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #04060a;
  padding: 60px 0 30px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

@media (max-width: 850px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h5, .footer-col .footer-heading {
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Špecifické štýly pre predaj.html (Investor Pitch Page) */
.pitch-hero {
  padding: 90px 0 60px;
  text-align: center;
}

.pitch-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  margin: 50px 0;
  align-items: start;
}

@media (max-width: 900px) {
  .pitch-grid {
    grid-template-columns: 1fr;
  }
}

.pitch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.pitch-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 30px 0;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.feature-title {
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cac-comparison-box {
  background: rgba(245, 158, 11, 0.05);
  border: 1px dashed rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
}

/* Modal Dialóg pre Kontakt / Dopyt */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: #0f172a;
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

@media (max-width: 480px) {
  .modal-content {
    padding: 26px 18px;
    max-height: 95vh;
  }
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Aceternity UI: Spotlight & Radial Mouse Lighting
   ========================================================================== */
.spotlight-card {
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(450px circle at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(245, 158, 11, 0.15), transparent 50%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 1;
}

.spotlight-card:hover::before {
  opacity: 1;
}

/* 3D Tilt Effect on Cards */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.tilt-card:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 20px var(--primary-glow);
}

/* ==========================================================================
   Plávajúci Sklenený Status Bar Kalkulačky (Glassmorphism Sticky Bar)
   ========================================================================== */
.calc-sticky-bar {
  position: fixed;
  bottom: 24px;
  left: 0;
  right: 0;
  z-index: 85;
  pointer-events: none;
  transform: translateY(140%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.calc-sticky-bar.visible {
  transform: translateY(0);
  opacity: 1;
}

.sticky-bar-inner {
  pointer-events: auto;
  max-width: 860px;
  margin: 0 auto;
  background: rgba(11, 17, 32, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65), 0 0 30px rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-full);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sticky-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sticky-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.sticky-bar-info {
  display: flex;
  flex-direction: column;
}

.sticky-bar-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 700;
}

.sticky-bar-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.sticky-bar-price span {
  color: var(--primary);
}

.sticky-bar-spec {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 14px;
  border-left: 1px solid var(--border-subtle);
}

.sticky-bar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-sm {
  padding: 7px 18px;
  font-size: 0.84rem;
}

@media (max-width: 720px) {
  .calc-sticky-bar {
    bottom: 12px;
    padding: 0 12px;
    box-sizing: border-box;
  }
  .sticky-bar-inner {
    border-radius: var(--radius-md);
    flex-direction: column;
    padding: 12px 16px;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
  }

@media (max-width: 380px) {
  .calc-sticky-bar {
    padding: 0 8px;
  }
  .sticky-bar-inner {
    padding: 10px 12px;
  }
}
  .sticky-bar-left {
    width: 100%;
    justify-content: space-between;
  }
  .sticky-bar-spec {
    display: none;
  }
  .sticky-bar-actions {
    width: 100%;
  }
  .sticky-bar-actions .btn {
    flex: 1;
  }
}

/* ==========================================================================
   11. Print Stylesheet (Reprezentatívny A4 tlačový protokol pre kalkulačku)
   ========================================================================== */
.print-sheet {
  display: none !important;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 15mm;
  }

  /* Reset pre tlač na čistý biely papier */
  html, body {
    background: #ffffff !important;
    background-color: #ffffff !important;
    color: #0f172a !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-size: 10pt !important;
    line-height: 1.4 !important;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Skryť všetky bežné webové sekcie, navigácie a interaktívne prvky */
  body > *:not(.print-sheet),
  .site-header,
  .sale-banner,
  .site-footer,
  .calc-sticky-bar,
  .modal-overlay,
  .blueprint-grid,
  .hero,
  .section-comparison,
  .section-calculator,
  .section-cities,
  .section-guide,
  .section-faq,
  button,
  .btn,
  a {
    display: none !important;
  }

  /* Zobraziť výhradne dedikovaný A4 certifikát */
  .print-sheet {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
    color: #0f172a !important;
    box-sizing: border-box !important;
  }

  .print-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    padding-bottom: 12px !important;
    border-bottom: 2.5px solid #0284c7 !important;
    margin-bottom: 14px !important;
  }

  .print-logo-text {
    font-size: 20pt !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    letter-spacing: -0.5px !important;
  }

  .print-logo-text span {
    color: #0284c7 !important;
  }

  .print-tagline {
    font-size: 8.5pt !important;
    color: #64748b !important;
    margin-top: 3px !important;
  }

  .print-meta {
    text-align: right !important;
    font-size: 8.5pt !important;
    color: #334155 !important;
    line-height: 1.45 !important;
  }

  .print-section {
    margin-bottom: 13px !important;
  }

  .print-section-title {
    font-size: 10pt !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    margin-bottom: 7px !important;
    padding-bottom: 3px !important;
    border-bottom: 1px solid #e2e8f0 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
  }

  .print-grid-2 {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px 14px !important;
  }

  .print-param-box {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    padding: 6px 10px !important;
    border-radius: 4px !important;
    font-size: 8.5pt !important;
  }

  .print-param-label {
    color: #64748b !important;
  }

  .print-param-val {
    font-weight: 700 !important;
    color: #0f172a !important;
  }

  .print-tasks-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 4px 14px !important;
  }

  .print-task-item {
    font-size: 8.5pt !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 2.5px 0 !important;
  }

  .print-task-item.active {
    color: #0f172a !important;
    font-weight: 600 !important;
  }

  .print-task-item.inactive {
    color: #94a3b8 !important;
    text-decoration: line-through !important;
  }

  .print-task-icon {
    font-size: 9pt !important;
    font-weight: 800 !important;
    display: inline-block !important;
    width: 14px !important;
  }

  .print-task-item.active .print-task-icon {
    color: #16a34a !important;
  }

  .print-task-item.inactive .print-task-icon {
    color: #cbd5e1 !important;
  }

  .print-table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin-top: 4px !important;
    font-size: 8.5pt !important;
  }

  .print-table th {
    background: #f1f5f9 !important;
    border: 1px solid #cbd5e1 !important;
    padding: 6px 10px !important;
    text-align: left !important;
    font-weight: 700 !important;
    color: #334155 !important;
  }

  .print-table td {
    border: 1px solid #e2e8f0 !important;
    padding: 6px 10px !important;
  }

  .print-subtext {
    font-size: 7.5pt !important;
    color: #64748b !important;
    margin-top: 2px !important;
  }

  .print-table-total {
    background: #f8fafc !important;
  }

  .print-table-total td {
    border-top: 2px solid #0f172a !important;
    border-bottom: 2px solid #0f172a !important;
    padding: 8px 10px !important;
    font-weight: 700 !important;
    font-size: 9pt !important;
  }

  .print-total-price {
    font-size: 12pt !important;
    font-weight: 800 !important;
    color: #0284c7 !important;
  }

  .print-info-box {
    background: #f8fafc !important;
    border-left: 3.5px solid #0284c7 !important;
    border-right: 1px solid #e2e8f0 !important;
    border-top: 1px solid #e2e8f0 !important;
    border-bottom: 1px solid #e2e8f0 !important;
    padding: 7px 10px !important;
    font-size: 7.5pt !important;
    line-height: 1.4 !important;
    color: #475569 !important;
    margin-top: 8px !important;
    border-radius: 0 4px 4px 0 !important;
  }

  .print-info-box h4 {
    font-size: 8pt !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    margin: 0 0 3px 0 !important;
  }

  .print-info-box p {
    margin: 0 !important;
  }

  .print-footer {
    margin-top: 12px !important;
    padding-top: 8px !important;
    border-top: 1px solid #e2e8f0 !important;
    display: flex !important;
    justify-content: space-between !important;
    font-size: 7.5pt !important;
    color: #64748b !important;
  }
}