/* ============================================================
   CSS VARIABLES & RESET
============================================================ */
:root {
  --blue-primary:   #1E88E5;
  --blue-deep:      #0D47A1;
  --blue-ice:       #E3F2FD;
  --blue-mid:       #42A5F5;
  --gray-soft:      #F5F7FA;
  --gray-border:    #E2E8F0;
  --text-dark:      #111827;
  --text-mid:       #6B7280;
  --white:          #FFFFFF;

  --gradient-cta:   linear-gradient(135deg, #1E88E5, #42A5F5);
  --gradient-hero:  linear-gradient(135deg, rgba(13,71,161,0.82) 0%, rgba(30,136,229,0.55) 100%);
  --gradient-dark:  linear-gradient(180deg, #0a2a5e 0%, #0D47A1 100%);

  --shadow-card:    0 4px 24px rgba(30,136,229,0.10);
  --shadow-hover:   0 8px 40px rgba(30,136,229,0.22);
  --shadow-btn:     0 4px 20px rgba(30,136,229,0.35);

  --radius-card:    16px;
  --radius-btn:     50px;

  --nav-height:     76px;
  --transition:     0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ============================================================
   TYPOGRAPHY
============================================================ */
h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  line-height: 1.2;
  color: var(--text-dark);
}
h1 { font-size: clamp(38px, 6vw, 56px); font-weight: 800; }
h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 700; }
h3 { font-size: 22px; font-weight: 600; }
p  { line-height: 1.75; color: var(--text-mid); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-primary);
  background: var(--blue-ice);
  border: 1px solid rgba(30,136,229,0.18);
  border-radius: 50px;
  padding: 6px 16px;
  margin-bottom: 18px;
}
.section-label i { font-size: 11px; }

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-cta);
  color: var(--white);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(30,136,229,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.55);
  backdrop-filter: blur(6px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}
.btn-outline-blue {
  background: transparent;
  color: var(--blue-primary);
  border: 2px solid var(--blue-primary);
}
.btn-outline-blue:hover {
  background: var(--blue-primary);
  color: var(--white);
}

/* ============================================================
   LAYOUT HELPERS
============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.text-center { text-align: center; }

/* ============================================================
   NAVIGATION
============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background 0.5s ease, backdrop-filter 0.5s ease;
}
#navbar.scrolled {
  background: rgba(7, 25, 60, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 48px;
  width: auto;
  /* logo has black bg — blend it away */
  mix-blend-mode: screen;
  filter: brightness(1.1);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--blue-mid);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { margin-left: 8px; }

/* Mobile hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--blue-deep);
  padding: var(--nav-height) 0 120px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/img/hero.jpg');
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.04);
  animation: heroPan 18s ease-in-out infinite alternate;
}
@keyframes heroPan {
  from { transform: scale(1.04) translateX(0); }
  to   { transform: scale(1.08) translateX(-2%); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 20, 55, 0.88) 0%,
    rgba(13, 71, 161, 0.52) 60%,
    rgba(13, 71, 161, 0.35) 100%
  );
}
/* smooth multi-stop fade into dark stats strip */
.hero-fade-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 260px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(7, 25, 60, 0.15) 25%,
    rgba(7, 25, 60, 0.55) 55%,
    rgba(7, 25, 60, 0.85) 78%,
    #07193c 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50px;
  padding: 7px 18px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.90);
  letter-spacing: 0.06em;
  margin-bottom: 28px;
  animation: fadeUp 0.7s ease both;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(1.4); }
}
.hero-content h1 {
  color: var(--white);
  margin-bottom: 22px;
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero-content h1 span {
  background: linear-gradient(90deg, #7ec8f8, #e0f4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.80);
  margin-bottom: 42px;
  max-width: 540px;
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.1em;
  animation: fadeIn 1.2s 1s ease both;
}
.hero-scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 0.4; transform: scaleY(1); }
  50%      { opacity: 1;   transform: scaleY(1.1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   STATS – seamless dark strip, no boxes
============================================================ */
#stats {
  background: linear-gradient(180deg, #07193c 0%, #0b2250 55%, #0e2d6b 100%);
  padding: 52px 0 72px;
  position: relative;
  z-index: 2;
}
/* faint dot grid texture */
#stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.stats-strip {
  display: flex;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}
.stats-strip-item {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 8px 40px 8px 0;
  position: relative;
}
/* vertical divider between items */
.stats-strip-item + .stats-strip-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.15) 30%, rgba(255,255,255,0.15) 70%, transparent);
}
.stats-strip-item + .stats-strip-item {
  padding-left: 40px;
}
.stats-strip-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(30,136,229,0.18);
  border: 1px solid rgba(66,165,245,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--blue-mid);
}
.stats-strip-text {}
.stats-strip-number {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 3px;
  margin-bottom: 5px;
}
.stats-strip-number .sfx {
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-mid);
}
.stats-strip-label {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  line-height: 1.2;
  white-space: nowrap;
}
.stats-strip-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.42);
  margin-top: 2px;
}

#sluzby { 
  background: var(--gray-soft);
  position: relative;
}
.sluzby-divider {
  position: absolute;
  top: -2px; left: 0; right: 0;
  line-height: 0;
  overflow: hidden;
}
.sluzby-divider svg {
  display: block;
  width: 100%;
  height: 72px;
}
@media (max-width: 768px) {
  .sluzby-divider svg { height: 36px; }
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 0;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
/* Colored top stripe per card */
.service-card-inner {
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-card-top {
  height: 5px;
  background: var(--gradient-cta);
  opacity: 0.15;
  transition: opacity var(--transition);
}
.service-card:hover .service-card-top { opacity: 1; }
.service-icon {
  width: 58px; height: 58px;
  flex-shrink: 0;
  background: var(--blue-ice);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--blue-primary);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: var(--gradient-cta);
  color: var(--white);
  transform: scale(1.06);
}
.service-card h3 {
  font-size: 19px;
  margin-bottom: 0;
  margin-top: 6px;
}
.service-card-body {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 22px;
  flex: 1;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
}
.service-list li i {
  color: var(--blue-primary);
  font-size: 11px;
  flex-shrink: 0;
}
.service-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--gray-border);
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-primary);
  transition: gap var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.service-link i {
  font-size: 11px;
  transition: transform var(--transition);
}
.service-card:hover .service-link i { transform: translateX(4px); }

/* ============================================================
   ABOUT
============================================================ */
#o-nas { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
}
/* floating experience badge */
.about-badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: rgba(7, 20, 50, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 22px 28px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  text-align: center;
}
.about-badge .num {
  font-family: 'Poppins', sans-serif;
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.about-badge .num span {
  color: var(--white);
  background: none;
  -webkit-text-fill-color: var(--white);
}
.about-badge .lbl {
  font-size: 12px;
  font-family: 'Poppins', sans-serif;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}
.about-content h2 { margin-bottom: 20px; }
.about-content p  { margin-bottom: 20px; font-size: 16px; }
.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0 36px;
}
.about-value {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.about-value-icon {
  width: 42px; height: 42px;
  flex-shrink: 0;
  background: var(--blue-ice);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--blue-primary);
}
.about-value-text strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 3px;
}
.about-value-text span {
  font-size: 13px;
  color: var(--text-mid);
}

/* ============================================================
   WHY US
============================================================ */
#preco-my {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}
#preco-my::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 80px,
    rgba(255,255,255,0.025) 80px,
    rgba(255,255,255,0.025) 81px
  ),
  repeating-linear-gradient(
    0deg,
    transparent,
    transparent 80px,
    rgba(255,255,255,0.025) 80px,
    rgba(255,255,255,0.025) 81px
  );
}
.why-header { text-align: center; margin-bottom: 60px; }
.why-header h2 { color: var(--white); }
.why-header p   { color: rgba(255,255,255,0.65); max-width: 520px; margin: 16px auto 0; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  position: relative;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-card);
  padding: 36px 26px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.why-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(66,165,245,0.4);
  transform: translateY(-4px);
}
.why-card-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: var(--gradient-cta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--white);
  box-shadow: 0 6px 22px rgba(30,136,229,0.4);
}
.why-card h3 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 10px;
}
.why-card p {
  color: rgba(255,255,255,0.60);
  font-size: 14px;
  line-height: 1.65;
}

/* ============================================================
   REFERENCES – vertical slider
============================================================ */
#referencie {
  background: var(--white);
  overflow: hidden;
}
.ref-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
}

/* Left – vertical nav list */
.ref-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
/* vertical progress track */
.ref-nav-track {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-border);
  border-radius: 2px;
}
.ref-nav-progress {
  position: absolute;
  left: 0; top: 0;
  width: 2px;
  background: var(--gradient-cta);
  border-radius: 2px;
  transition: height 0.45s cubic-bezier(0.4,0,0.2,1);
}
.ref-nav-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 0 16px 28px;
  cursor: pointer;
  position: relative;
  border-radius: 0 12px 12px 0;
  transition: var(--transition);
}
.ref-nav-item:hover { background: var(--gray-soft); }
.ref-nav-item.active { background: var(--blue-ice); }

/* dot on track */
.ref-nav-dot {
  position: absolute;
  left: -5px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gray-border);
  border: 2px solid var(--white);
  transition: var(--transition);
  flex-shrink: 0;
}
.ref-nav-item.active .ref-nav-dot {
  background: var(--blue-primary);
  box-shadow: 0 0 0 4px rgba(30,136,229,0.18);
}
.ref-nav-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--gray-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-mid);
  transition: var(--transition);
}
.ref-nav-item.active .ref-nav-icon {
  background: var(--gradient-cta);
  color: var(--white);
}
.ref-nav-name {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition);
  line-height: 1.3;
}
.ref-nav-item.active .ref-nav-name {
  color: var(--blue-deep);
  font-weight: 600;
}
.ref-nav-tag {
  margin-left: auto;
  font-size: 11px;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  color: var(--blue-primary);
  background: var(--blue-ice);
  border-radius: 50px;
  padding: 3px 10px;
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition);
  white-space: nowrap;
}
.ref-nav-item.active .ref-nav-tag {
  opacity: 1;
  transform: translateX(0);
}

/* Right – detail panel */
.ref-detail {
  background: var(--gray-soft);
  border-radius: 24px;
  padding: 52px 48px;
  border: 1px solid var(--gray-border);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
/* decorative circles */
.ref-detail::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: var(--blue-ice);
  border-radius: 50%;
  opacity: 0.6;
}
.ref-detail::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 150px; height: 150px;
  background: rgba(30,136,229,0.06);
  border-radius: 50%;
}
.ref-detail-inner {
  position: relative;
  z-index: 1;
}
.ref-detail-panel {
  display: none;
  animation: refFadeIn 0.4s ease both;
}
.ref-detail-panel.active { display: block; }
@keyframes refFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ref-detail-icon {
  width: 72px; height: 72px;
  background: var(--gradient-cta);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--white);
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(30,136,229,0.30);
}
.ref-detail-panel h3 {
  font-size: 26px;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.ref-detail-category {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-primary);
  background: var(--blue-ice);
  border: 1px solid rgba(30,136,229,0.15);
  border-radius: 50px;
  padding: 5px 14px;
  margin-bottom: 20px;
}
.ref-detail-desc {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 28px;
}
.ref-detail-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.ref-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: 'Poppins', sans-serif;
  color: var(--text-mid);
}
.ref-meta-item i { color: var(--blue-primary); font-size: 12px; }

/* auto-play progress bar at bottom */
.ref-autoplay-bar {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: var(--gradient-cta);
  border-radius: 0 0 24px 24px;
  width: 0%;
  transition: width 0.1s linear;
}

/* counter badge top-right */
.ref-counter-badge {
  position: absolute;
  top: 24px; right: 24px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  z-index: 2;
}
.ref-counter-badge span { color: var(--blue-primary); }

/* arrow controls */
.ref-arrows {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}
.ref-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-border);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-mid);
  cursor: pointer;
  transition: var(--transition);
}
.ref-arrow:hover {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: var(--white);
}

/* mobile ref */
@media (max-width: 900px) {
  .ref-layout { grid-template-columns: 1fr; gap: 32px; }
  .ref-detail  { padding: 36px 28px; min-height: auto; }
}

/* ============================================================
   CTA SECTION
============================================================ */
#cta-section {
  background: var(--gradient-cta);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
#cta-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 320px; height: 320px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
#cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 260px; height: 260px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-text h2 {
  color: var(--white);
  font-size: clamp(26px, 3.5vw, 36px);
  margin-bottom: 12px;
}
.cta-text p {
  color: rgba(255,255,255,0.80);
  font-size: 17px;
  max-width: 480px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}
.btn-white {
  background: var(--white);
  color: var(--blue-primary);
}
.btn-white:hover {
  background: var(--blue-ice);
  transform: translateY(-2px);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.70);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ============================================================
   CONTACT PREVIEW
============================================================ */
#kontakt { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 18px; }
.contact-info p  { margin-bottom: 36px; }
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 18px;
}
.contact-item-icon {
  width: 50px; height: 50px;
  flex-shrink: 0;
  background: var(--blue-ice);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  color: var(--blue-primary);
}
.contact-item-text strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}
.contact-item-text span {
  font-size: 15px;
  color: var(--text-mid);
}

/* Contact form */
.contact-form {
  background: var(--gray-soft);
  border-radius: 20px;
  padding: 44px 40px;
  border: 1px solid var(--gray-border);
}
.contact-form h3 {
  margin-bottom: 28px;
  font-size: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}
.form-group label {
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
}
.form-group input,
.form-group textarea {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--text-dark);
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: 10px;
  padding: 13px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(30,136,229,0.12);
}
.form-group textarea {
  height: 120px;
  resize: vertical;
}
.form-submit { width: 100%; justify-content: center; border-radius: 10px; }

/* ============================================================
   FOOTER
============================================================ */
#footer {
  background: var(--blue-deep);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img {
  height: 42px;
  mix-blend-mode: screen;
  filter: brightness(1.1);
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}
.footer-col h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul li a:hover { color: var(--blue-mid); }
.footer-col ul li a i { font-size: 12px; }
.footer-bottom {
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.40);
}
.footer-bottom a {
  color: rgba(255,255,255,0.50);
  font-size: 13px;
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--blue-mid); }

/* ============================================================
   MOBILE MENU – slide-in drawer
============================================================ */
.mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(4, 12, 36, 0.65);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 1002;
  width: min(320px, 88vw);
  background: var(--white);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 48px rgba(0,0,0,0.22);
}
.mobile-menu.open { transform: translateX(0); }

/* Header strip inside drawer */
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--gray-border);
  background: var(--blue-deep);
}
.mobile-menu-header img {
  height: 36px;
  mix-blend-mode: screen;
  filter: brightness(1.1);
}
.mobile-close {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.10);
  color: var(--white);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.mobile-close:hover { background: rgba(255,255,255,0.20); }

/* Nav links inside drawer */
.mobile-nav-links {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  overflow-y: auto;
}
.mobile-nav-links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.mobile-nav-links a i {
  width: 18px;
  text-align: center;
  color: var(--text-mid);
  font-size: 14px;
  transition: color var(--transition);
}
.mobile-nav-links a:hover {
  background: var(--blue-ice);
  border-left-color: var(--blue-primary);
  color: var(--blue-primary);
}
.mobile-nav-links a:hover i { color: var(--blue-primary); }

/* Footer area of drawer */
.mobile-menu-footer {
  padding: 20px;
  border-top: 1px solid var(--gray-border);
  background: var(--gray-soft);
}
.mobile-menu-footer .btn {
  width: 100%;
  justify-content: center;
  border-radius: 12px;
}
.mobile-menu-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-mid);
  font-family: 'Inter', sans-serif;
}
.mobile-menu-contact i { color: var(--blue-primary); font-size: 13px; }

/* ============================================================
   SCROLL REVEAL (JS-driven)
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .services-grid  { grid-template-columns: 1fr 1fr; }
  .why-grid       { grid-template-columns: 1fr 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
  .about-grid     { gap: 48px; }
  .stats-strip    { flex-wrap: wrap; gap: 0; }
  .stats-strip-item { flex: 0 0 50%; padding: 20px 28px; }
  .stats-strip-item + .stats-strip-item::before { display: none; }
}

@media (max-width: 900px) {
  .ref-layout { grid-template-columns: 1fr; gap: 32px; }
  .ref-detail  { padding: 36px 28px; min-height: auto; }
}

@media (max-width: 768px) {
  /* Nav */
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }

  /* Hero */
  .hero-content { max-width: 100%; }
  .hero-sub     { font-size: 16px; }
  .hero-scroll  { display: none; }

  /* Stats */
  .stats-strip  { flex-wrap: wrap; }
  .stats-strip-item { flex: 0 0 50%; padding: 18px 20px; }

  /* Sections */
  .services-grid { grid-template-columns: 1fr; }
  .about-grid    { grid-template-columns: 1fr; gap: 32px; }
  .about-img     { height: 300px; }
  .about-badge   { bottom: 16px; right: 16px; }
  .about-values  { grid-template-columns: 1fr 1fr; }
  .why-grid      { grid-template-columns: 1fr 1fr; }

  /* CTA */
  .cta-inner    { flex-direction: column; text-align: center; gap: 28px; }
  .cta-buttons  { flex-direction: column; width: 100%; align-items: center; }
  .cta-buttons .btn { width: 100%; justify-content: center; max-width: 320px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row     { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 24px; }

  /* Footer */
  .footer-grid   { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
}

@media (max-width: 480px) {
  .section  { padding: 60px 0; }
  .container { padding: 0 16px; }

  /* Hero */
  h1 { font-size: 32px; }
  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-buttons .btn { width: 100%; justify-content: center; }

  /* Stats */
  .stats-strip-number { font-size: 32px; }
  .stats-strip-icon { width: 40px; height: 40px; font-size: 16px; }

  /* Services */
  .service-card-inner { padding: 24px 20px 20px; }

  /* Why */
  .why-grid { grid-template-columns: 1fr; }
  .why-card { padding: 28px 20px; }

  /* About */
  .about-values { grid-template-columns: 1fr; }
  .about-badge  { padding: 14px 18px; }
  .about-badge .num { font-size: 30px; }

  /* CTA */
  .cta-buttons .btn { max-width: 100%; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom p { font-size: 12px; }
}

/* ============================================================
   PAGE HERO (subpages)
============================================================ */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + 60px) 0 64px;
  overflow: hidden;
  background: var(--gradient-dark);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/img/hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,25,60,0.92) 0%, rgba(13,71,161,0.75) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.page-hero-content h1 { color: var(--white); margin: 16px 0 20px; }
.page-hero-content h1 span { color: var(--blue-mid); }
.page-hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.70);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--blue-mid); }
.breadcrumb i { font-size: 11px; }

/* ============================================================
   SERVICE DETAIL LAYOUT
============================================================ */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}
.service-detail-grid--reverse { direction: rtl; }
.service-detail-grid--reverse > * { direction: ltr; }

.service-detail-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.service-detail-icon-wrap {
  width: 160px;
  height: 160px;
  border-radius: 36px;
  background: var(--gradient-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  color: var(--white);
  box-shadow: 0 20px 60px rgba(30,136,229,0.30);
}
.service-detail-stats {
  display: flex;
  gap: 24px;
}
.sds-item {
  text-align: center;
  background: var(--gray-soft);
  border: 1px solid var(--gray-border);
  border-radius: 14px;
  padding: 16px 24px;
}
.sds-num {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-primary);
}
.sds-lbl {
  font-size: 12px;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.service-detail-content p { margin-bottom: 16px; }
.service-detail-content .btn { margin-top: 8px; }

.service-detail-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}
.sdl-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.sdl-item > i {
  color: var(--blue-primary);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.sdl-item strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 2px;
}
.sdl-item span { font-size: 14px; color: var(--text-mid); }

/* Alternate section background */
.section-alt { background: var(--gray-soft); }

/* ============================================================
   PRICE CARDS (cenník)
============================================================ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.price-card {
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.price-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.price-card--featured {
  border-color: var(--blue-primary);
  box-shadow: var(--shadow-card);
}
.price-card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-cta);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-card-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-ice);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--blue-primary);
}
.price-card--featured .price-card-icon {
  background: var(--gradient-cta);
  color: var(--white);
}
.price-card h3 {
  font-size: 20px;
  color: var(--text-dark);
}
.price-from {
  font-size: 15px;
  color: var(--text-mid);
}
.price-from strong {
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  color: var(--blue-primary);
}
.price-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.price-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
}
.price-list li i { color: var(--blue-primary); font-size: 13px; }
.price-card .btn { width: 100%; justify-content: center; margin-top: auto; }

/* Responsive – subpage */
@media (max-width: 1024px) {
  .service-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-grid--reverse { direction: ltr; }
  .service-detail-visual { flex-direction: row; justify-content: center; }
  .price-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .page-hero { padding: calc(var(--nav-height) + 32px) 0 48px; }
  .page-hero-sub { font-size: 16px; }
  .service-detail-icon-wrap { width: 100px; height: 100px; font-size: 40px; border-radius: 24px; }
  .price-grid { grid-template-columns: 1fr; }
}