/* =============================================================================
   ENAT — Varianta A | Prémiový B2B design systém (energetika, důvěra, konverze)
   ============================================================================= */

:root {
  /* —— Modrá s výraznější sytostí + teplejší oranžová (živější, stále B2B) —— */
  --navy-950: #081018;
  --navy-900: #0f1828;
  --navy-850: #142238;
  --blue-950: #0c1624;
  --blue-900: #0f2840;
  --blue-800: #153a5c;
  --blue-700: #1e5a82;
  --blue-600: #2178a8;
  --blue-500: #2a8fc9;
  --blue-400: #44a8db;
  --blue-300: #6bc0e8;
  --blue-200: #9fd4f0;
  --blue-100: #d4e9f7;
  --blue-50: #e8f3fb;
  --surface-0: #f7fbff;
  --surface-1: #ffffff;
  --surface-2: #edf3f9;

  /* Oranžová: sytější, „energetická“ */
  --accent: #f28c28;
  --accent-hover: #e07818;
  --accent-active: #c46312;
  --accent-muted: rgba(242, 140, 40, 0.18);
  --accent-ring: rgba(242, 140, 40, 0.48);
  --accent-surface: rgba(242, 140, 40, 0.12);
  --accent-surface-strong: rgba(242, 140, 40, 0.18);
  --accent-border-soft: rgba(242, 140, 40, 0.34);

  /* Modro-oranžové přechody (výraznější) */
  --grad-brand-h: linear-gradient(90deg, var(--accent) 0%, var(--blue-500) 100%);
  --grad-brand-h-soft: linear-gradient(90deg, rgba(242, 140, 40, 0.52) 0%, rgba(42, 143, 201, 0.52) 100%);
  --grad-brand-h-mid: linear-gradient(90deg, var(--accent) 0%, var(--blue-400) 55%, var(--blue-500) 100%);
  --grad-brand-fade-r: linear-gradient(90deg, var(--accent-muted), transparent);
  --grad-brand-v: linear-gradient(180deg, var(--accent) 0%, var(--blue-500) 100%);
  --grad-brand-diag-soft: linear-gradient(135deg, rgba(242, 140, 40, 0.38) 0%, rgba(42, 143, 201, 0.48) 100%);
  --grad-brand-diag-hover: linear-gradient(135deg, rgba(242, 140, 40, 0.52) 0%, rgba(42, 143, 201, 0.58) 100%);
  --grad-brand-glowline: linear-gradient(90deg, transparent 0%, rgba(242, 140, 40, 0.72) 35%, rgba(42, 143, 201, 0.68) 65%, transparent 100%);

  /* Hranice a dělení */
  --line-subtle: rgba(19, 49, 73, 0.09);
  --line: rgba(19, 49, 73, 0.14);
  --line-strong: rgba(19, 49, 73, 0.2);

  /* —— Stíny: měkké, modrošedé —— */
  --shadow-xs: 0 1px 2px rgba(14, 26, 40, 0.06);
  --shadow-sm: 0 2px 8px rgba(14, 26, 40, 0.08), 0 1px 2px rgba(14, 26, 40, 0.05);
  --shadow-md: 0 8px 24px rgba(14, 26, 40, 0.1), 0 2px 6px rgba(14, 26, 40, 0.06);
  --shadow-lg: 0 16px 40px rgba(14, 26, 40, 0.12), 0 4px 12px rgba(14, 26, 40, 0.07);
  --shadow-inset-light: inset 0 1px 0 rgba(255, 255, 255, 0.85);

  /* —— Radius —— */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* —— Spacing (rytmus 4 / 8) —— */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2.25rem;
  --space-9: 2.5rem;
  --space-10: 3rem;
  --space-11: 3.5rem;
  --space-12: 4rem;

  --container: min(1160px, calc(100% - 2rem));
  --container-narrow: min(720px, calc(100% - 2rem));
  /* Odsazení obsahu od okraje okna = jako u .container (pro zarovnání prvků k okrajům stránky) */
  --page-edge-inset: calc((100vw - min(1160px, calc(100vw - 2rem))) / 2);

  /* —— Typografie —— */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --text-body: 1.0625rem;
  --text-body-sm: 0.9375rem;
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.55;
  --leading-relaxed: 1.65;

  /*
   * Card content alignment system
   * -----------------------------
   * When cards sit side-by-side in a grid, corresponding content levels
   * (media → meta → title → body → footer) must share the same baseline.
   * Reserve line boxes with N * 1lh (uses each element's own line-height).
   * Reset min-height to auto in single-column breakpoints.
   */
  --card-align-title-lines: 2;
  --card-align-meta-lines: 1;
  --card-align-role-lines: 2;

  /* —— Pohyb —— */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 140ms;
  --duration-base: 220ms;
  --duration-slow: 320ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--blue-950);
  background-color: var(--surface-2);
  background-image:
    radial-gradient(ellipse 90% 70% at 88% 8%, rgba(242, 140, 40, 0.1), transparent 48%),
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(42, 143, 201, 0.13), transparent 52%),
    linear-gradient(180deg, var(--surface-0) 0%, var(--blue-50) 42%, var(--surface-2) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern" 1, "liga" 1;
}

/* Prevent orphaned single-letter words at the end of lines (Czech typography) */
p {
  text-wrap: pretty;
}

::selection {
  background: rgba(242, 140, 40, 0.32);
  color: var(--blue-950);
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* —— Kontejner —— */
.container {
  width: var(--container);
  margin-inline: auto;
}

/* —— Sekce —— */
.section {
  padding: var(--space-10) 0;
}

.section.problems,
#sluzby,
#vysledky {
  position: relative;
  background: linear-gradient(180deg, var(--surface-1) 0%, var(--blue-50) 100%);
  border-top: none;
  border-bottom: 1px solid var(--line-subtle);
  box-shadow: var(--shadow-inset-light);
}

.section.problems::before,
#sluzby::before,
#vysledky::before,
.process::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(42, 143, 201, 0.11), transparent 70%);
  opacity: 1;
}

.section.problems::after,
#sluzby::after,
#vysledky::after,
.process::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--grad-brand-h-soft);
  opacity: 0.92;
  pointer-events: none;
  border-radius: 0 0 var(--radius-xs) var(--radius-xs);
}

.section.problems > .container,
#sluzby > .container,
#vysledky > .container,
.process > .container {
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =============================================================================
   Typografická hierarchie
   ============================================================================= */

h2 {
  font-size: clamp(1.5rem, 2.4vw + 0.5rem, 2.125rem);
  line-height: var(--leading-tight);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--blue-950);
}

h3 {
  font-size: 1.0625rem;
  line-height: var(--leading-snug);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--blue-950);
}

/* =============================================================================
   Header
   ============================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: none;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, var(--shadow-xs);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--grad-brand-h-soft);
  opacity: 0.82;
  pointer-events: none;
}

.site-header.nav-is-open {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  min-height: 4.5rem;
}

.logo {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  transition: opacity var(--duration-base) var(--ease-soft);
  text-decoration: none;
}

.logo__wordmark {
  display: inline-block;
  font-family: 'D-DIN Condensed';
  font-size: clamp(2rem, 1.25vw + 1.2rem, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 0.9;
  text-transform: uppercase;
  color: #f28c28;
}

.logo:hover {
  opacity: 0.92;
}

.main-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger — jen mobil */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  color: var(--blue-950);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition:
    background-color var(--duration-base) var(--ease-soft),
    border-color var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft);
}

.nav-toggle:hover {
  border-color: var(--line-strong);
  background: var(--blue-50);
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--surface-1), 0 0 0 4px var(--accent-ring);
}

.nav-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 1.25rem;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 1px;
  transition:
    transform var(--duration-base) var(--ease-out),
    opacity var(--duration-fast) var(--ease-soft);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.main-nav a {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--blue-900);
  padding: var(--space-2) 0;
  transition: color var(--duration-base) var(--ease-soft);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}

.main-nav a:hover {
  color: var(--blue-950);
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Active page link — persistent underline on desktop */
.main-nav a[aria-current="page"] {
  color: var(--blue-950);
}

.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* =============================================================================
   Tlačítka — solidní, bez laciného glow
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-pill);
  padding: 0.8125rem 1.5rem;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  line-height: 1.25;
  cursor: pointer;
  transition:
    background-color var(--duration-base) var(--ease-soft),
    color var(--duration-base) var(--ease-soft),
    border-color var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft),
    transform var(--duration-fast) var(--ease-out);
}

.btn-primary {
  color: #fff;
  background-color: var(--accent);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 2px 4px rgba(242, 140, 40, 0.22),
    0 8px 20px rgba(242, 140, 40, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 4px 12px rgba(242, 140, 40, 0.28),
    0 12px 28px rgba(242, 140, 40, 0.36);
  transform: translateY(-1px);
}

.btn-primary:active {
  background-color: var(--accent-active);
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08) inset;
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 2px var(--surface-1),
    0 0 0 4px var(--accent-ring);
}

.site-header .btn-primary {
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.1) inset,
    0 2px 6px rgba(242, 140, 40, 0.26);
}

.site-header .btn-primary:hover {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 4px 14px rgba(242, 140, 40, 0.34);
}

.hero-actions .btn {
  padding: 0.9375rem 1.75rem;
  font-size: 1rem;
}

.btn-light {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.btn-light:active {
  transform: translateY(0);
}

.btn-light:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5), 0 0 0 4px rgba(19, 49, 73, 0.45);
}

/* =============================================================================
   Hero
   ============================================================================= */

.hero {
  position: relative;
  z-index: 0;
  isolation: isolate;
  padding: clamp(2.75rem, 6vw, 3.75rem) 0 clamp(2.5rem, 5vw, 3.25rem);
  background-color: var(--blue-900);
  background-image: image-set(url("hoverimage.webp") type("image/webp"), url("hoverimage.png") type("image/png"));
  background-size: 100% auto;
  background-position: center 32%;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(
      115deg,
      rgba(12, 40, 68, 0.85) 0%,
      rgba(25, 85, 128, 0.68) 40%,
      rgba(42, 143, 201, 0.45) 100%
    ),
    radial-gradient(ellipse 70% 55% at 78% 15%, rgba(242, 140, 40, 0.16), transparent 52%),
    radial-gradient(ellipse 55% 45% at 20% 85%, rgba(42, 143, 201, 0.12), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: 100%;
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: var(--space-4);
  text-align: center;
  color: var(--blue-50);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #fff8f0;
  background: rgba(242, 140, 40, 0.28);
  border: 1px solid rgba(255, 210, 160, 0.45);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 24px rgba(242, 140, 40, 0.15);
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw + 0.75rem, 3.125rem);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  text-wrap: balance;
  text-shadow: 0 2px 32px rgba(0, 0, 0, 0.25);
}

.lead {
  font-size: clamp(1.0625rem, 1.2vw + 0.85rem, 1.25rem);
  line-height: var(--leading-relaxed);
  font-weight: 400;
  color: rgba(219, 232, 240, 0.95);
  max-width: 42rem;
  margin-inline: auto;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.2);
}

.hero-actions {
  margin-top: var(--space-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* Dekorativní plovoucí ikony — pouze desktop (viz kompozice hero) */
.hero-floating-icons {
  display: none;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .hero-floating-icons {
    position: absolute;
    left: 0;
    right: 0;
    bottom: clamp(1rem, 3vh, 2.25rem);
    z-index: 2;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: flex-end;
    gap: var(--space-4);
    padding-inline: var(--page-edge-inset);
    box-sizing: border-box;
  }

  /* Původní „sklo“ na hero (ne styl .icon) — větší dlaždice a SVG */
  .hero-float {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: var(--radius-md);
    color: rgba(255, 252, 248, 0.96);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.38);
    box-shadow:
      0 0 0 1px rgba(255, 200, 150, 0.12) inset,
      0 4px 24px rgba(0, 20, 40, 0.2),
      0 0 32px rgba(80, 180, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: hero-float-y 5.5s ease-in-out infinite;
  }

  .hero-float--primary {
    width: 4.375rem;
    height: 4.375rem;
    animation-delay: 0s;
  }

  .hero-float--secondary {
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1.5rem;
    animation-delay: -2.75s;
  }

  .hero-float__svg {
    width: 1.9rem;
    height: 1.9rem;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
  }

  .hero-float--primary .hero-float__svg {
    width: 2.15rem;
    height: 2.15rem;
  }

  .hero-float__svg :is(path, circle, rect, line, polyline, polygon) {
    stroke: currentColor;
  }
}

@keyframes hero-float-y {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@media (min-width: 1024px) and (prefers-reduced-motion: reduce) {
  .hero-float {
    animation: none;
  }
}

/* =============================================================================
   Problémové karty
   ============================================================================= */

.problems h2 {
  text-align: center;
  margin-bottom: var(--space-7);
  position: relative;
  padding-bottom: var(--space-5);
}

.problems h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin: var(--space-4) auto 0;
  border-radius: var(--radius-pill);
  background: var(--grad-brand-h);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}

.problem-grid article {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5) var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-out);
}

.problem-grid article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 3px;
  border-radius: 0 0 var(--radius-xs) var(--radius-xs);
  background: linear-gradient(90deg, transparent, var(--accent-muted), transparent);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-soft);
}

.problem-grid article:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
}

.problem-grid article:hover::before {
  opacity: 1;
}

.problem-grid h3 {
  margin-bottom: var(--space-4);
  font-size: 1.0625rem;
}

.problem-grid article p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--blue-800);
}

/* Skrytý SVG blok s gradienty pro tahy ikon (varianta A) */
.enat-svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  margin: 0 auto var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  background:
    linear-gradient(165deg, #fff 0%, rgba(238, 243, 248, 0.98) 100%) padding-box,
    linear-gradient(135deg, var(--accent) 0%, var(--blue-500) 100%) border-box;
}

.icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.icon svg :is(path, circle, rect, line, polyline, polygon) {
  stroke: url(#enat-icon-stroke);
}

.problem-grid article:hover .icon {
  background:
    linear-gradient(165deg, #fff 0%, #fffbf6 100%) padding-box,
    linear-gradient(135deg, #ffe2c4 0%, #d2f0ff 100%) border-box;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.95) inset,
    0 6px 22px rgba(120, 195, 255, 0.28),
    0 2px 8px rgba(255, 170, 90, 0.12);
}

.problem-grid article:hover .icon svg :is(path, circle, rect, line, polyline, polygon) {
  stroke: url(#enat-icon-stroke-hover);
}

/*
 * Reserve space for up to 2 title lines so single- and double-line headings
 * occupy the same height — keeps the paragraphs below them on one baseline
 * across cards in a row. Robust, no box-model side effects.
 */
@media (min-width: 841px) {
  .problem-grid h3 {
    min-height: calc(2 * 1.0625rem * var(--leading-snug, 1.25));
    display: flex;
    align-items: flex-start;
    justify-content: center;
  }
}

/* =============================================================================
   Claim bar
   ============================================================================= */

.claim-bar {
  position: relative;
  background:
    radial-gradient(ellipse 100% 120% at 100% 50%, rgba(242, 140, 40, 0.14), transparent 45%),
    linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 40%, var(--blue-600) 100%);
  color: var(--blue-50);
  padding: var(--space-5) 0;
  text-align: center;
  font-weight: 500;
  font-size: clamp(1rem, 1vw + 0.85rem, 1.125rem);
  line-height: var(--leading-snug);
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-md);
}

.claim-bar::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--grad-brand-glowline);
  opacity: 0.9;
}

.claim-bar p {
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.claim-bar strong {
  font-weight: 700;
  color: #ffc978;
}

/* =============================================================================
   Řešení (statement)
   ============================================================================= */

.section.solution {
  padding: var(--space-9) 0;
  background: transparent;
}

.section.solution .container::after {
  content: "";
  display: block;
  width: 6rem;
  height: 2px;
  margin: var(--space-7) auto 0;
  border-radius: var(--radius-pill);
  background: var(--grad-brand-h);
  opacity: 0.85;
}

.section.solution h2 {
  text-align: center;
  max-width: 46rem;
  margin-inline: auto;
  font-size: clamp(1.25rem, 1.8vw + 0.65rem, 1.65rem);
  line-height: var(--leading-snug);
  font-weight: 600;
  color: var(--blue-900);
  letter-spacing: -0.02em;
}

/* =============================================================================
   Section head + odkazy
   ============================================================================= */

.section-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: none;
}

.section-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(242, 140, 40, 0.35) 0%, rgba(42, 143, 201, 0.4) 100%);
  opacity: 0.85;
  pointer-events: none;
}

.section-head h2 {
  flex: 1 1 min(100%, 28rem);
  margin: 0;
}

.section-head a {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--blue-900);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface-1);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--duration-base) var(--ease-soft),
    color var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft),
    transform var(--duration-fast) var(--ease-out);
}

.section-head a:hover {
  color: var(--accent-hover);
  border-color: transparent;
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.section-head a::after {
  content: "→";
  font-size: 0.9em;
  transition: transform var(--duration-base) var(--ease-out);
}

.section-head a:hover::after {
  transform: translateX(3px);
}

/* =============================================================================
   Služby
   ============================================================================= */

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
  align-items: stretch;
}

.service-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* 4-col grid — alias for the default, explicit for clarity */
.service-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card {
  position: relative;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-out);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
}

.service-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-brand-h-mid);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-soft);
}

a.service-card {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

a.service-card:hover {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-hover) border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

a.service-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a.service-card:hover::after {
  opacity: 1;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.service-visual {
  height: 6.5rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
  background:
    linear-gradient(145deg, var(--blue-100) 0%, var(--accent-surface) 100%) padding-box,
    linear-gradient(135deg, rgba(242, 140, 40, 0.35) 0%, rgba(42, 143, 201, 0.45) 100%) border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-inset-light), var(--shadow-xs);
}

.service-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--duration-slow) var(--ease-out);
}

a.service-card:hover .service-visual img {
  transform: scale(1.03);
}

.service-card p {
  flex-grow: 1;
  color: var(--blue-800);
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.service-card a {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--duration-base) var(--ease-soft);
}

.service-card a:hover {
  color: var(--accent-hover);
}

.service-card a::after {
  content: "→";
  font-size: 0.9em;
  transition: transform var(--duration-base) var(--ease-out);
}

.service-card a:hover::after {
  transform: translateX(4px);
}

.center-cta {
  text-align: center;
  margin-top: var(--space-7);
}

.center-cta .btn-primary {
  padding: 0.9375rem 2rem;
  font-size: 1rem;
}

/* =============================================================================
   Proces — vertikální časová osa (jedna vrstva, krok = karta)
   ============================================================================= */


.process {
  position: relative;
  padding: var(--space-9) 0;
  background:
    radial-gradient(ellipse 70% 60% at 12% 20%, rgba(242, 140, 40, 0.06), transparent 55%),
    linear-gradient(180deg, var(--blue-100) 0%, var(--blue-50) 100%);
}

.process-panel {
  position: relative;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  box-shadow: var(--shadow-md), var(--shadow-inset-light);
  background:
    linear-gradient(165deg, var(--surface-1) 0%, rgba(238, 243, 248, 0.98) 100%) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
}

.process-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto var(--space-8);
}

.process-header h2 {
  margin-bottom: var(--space-4);
}

.process-lead {
  margin: 0;
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--blue-800);
}

.process-timeline {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: min(42rem, 100%);
  overflow: visible;
}

.process-step {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: var(--space-5);
  align-items: stretch;
  margin: 0;
  padding: 0;
}

.process-step + .process-step {
  margin-top: var(--space-5);
}

.process-rail {
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  min-height: 100%;
}

.process-rail::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 3rem;
  bottom: calc(-1 * var(--space-5));
  width: 2px;
  transform: translateX(-50%);
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, rgba(242, 140, 40, 0.55) 0%, var(--blue-300) 100%);
  opacity: 0.9;
  pointer-events: none;
}

.process-step:last-child .process-rail::after {
  display: none;
}

.process-step__num {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 4px 14px rgba(242, 140, 40, 0.28);
}

.process-step__card {
  margin: 0;
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-subtle);
  background: var(--surface-1);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-base) var(--ease-soft),
    box-shadow var(--duration-base) var(--ease-soft);
}

.process-step:hover .process-step__card {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
}

.process-step__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.process-step__titles h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.125rem;
  line-height: var(--leading-snug);
}

.process-step__outcome {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: var(--leading-snug);
  color: var(--blue-800);
}

.process-step__outcome strong {
  font-weight: 700;
  color: var(--accent-hover);
}

.process-step__text {
  margin: 0;
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--blue-800);
}

.process-step__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background:
    linear-gradient(165deg, #fff 0%, rgba(238, 243, 248, 0.98) 100%) padding-box,
    linear-gradient(135deg, var(--accent) 0%, var(--blue-500) 100%) border-box;
  box-shadow: var(--shadow-xs);
}

.process-step:hover .process-step__icon {
  background:
    linear-gradient(165deg, #fff 0%, #fffbf6 100%) padding-box,
    linear-gradient(135deg, #ffe2c4 0%, #d2f0ff 100%) border-box;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.95) inset,
    0 6px 22px rgba(120, 195, 255, 0.28),
    0 2px 8px rgba(255, 170, 90, 0.12);
}

.process-step__icon svg {
  width: 1.375rem;
  height: 1.375rem;
}

.process-step__icon svg :is(path, circle, rect, line, polyline, polygon) {
  stroke: url(#enat-icon-stroke);
}

.process-step:hover .process-step__icon svg :is(path, circle, rect, line, polyline, polygon) {
  stroke: url(#enat-icon-stroke-hover);
}

/* =============================================================================
   Reference + Hub
   ============================================================================= */

.ref-grid,
.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.ref-grid article,
.ref-grid a.ref-card,
.hub-grid a {
  position: relative;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-sm);
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
  transition:
    box-shadow var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-out);
}

.hub-grid a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.ref-grid article::before,
.ref-grid a.ref-card::before,
.hub-grid a::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-5);
  bottom: var(--space-5);
  width: 3px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: var(--grad-brand-v);
  opacity: 0.35;
  transition: opacity var(--duration-base) var(--ease-soft);
}

.ref-grid article:hover,
.ref-grid a.ref-card:hover,
.hub-grid a:hover {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-1), var(--surface-1)) padding-box,
    var(--grad-brand-diag-hover) border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.ref-grid article:hover::before,
.ref-grid a.ref-card:hover::before,
.hub-grid a:hover::before {
  opacity: 1;
}

.ref-grid .ref-card__client {
  margin: 0 0 0.35rem;
  color: var(--blue-700);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.ref-grid h3,
.hub-grid h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.ref-grid p,
.hub-grid p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--blue-800);
}

.ref-grid .ref-logo {
  margin: 0 0 var(--space-3);
  min-height: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.ref-grid .ref-logo img {
  height: 3.1rem;
  width: auto;
  max-height: 3.1rem;
  max-width: 13.5rem;
  object-fit: contain;
  object-position: left center;
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.ref-grid .ref-logo__fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 143, 201, 0.28);
  background: rgba(42, 143, 201, 0.08);
  color: var(--blue-800);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ref-grid a.ref-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.ref-grid a.ref-card:hover,
.ref-grid a.ref-card:focus-visible {
  text-decoration: none;
}

.ref-grid a.ref-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ref-grid a.ref-card .ref-link {
  margin-top: auto;
}

.ref-grid .ref-link {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 700;
}

.ref-grid .ref-link::after {
  content: "→";
  font-size: 0.9em;
}

/*
 * Reference cards — side-by-side from 841px (2–3 columns).
 * Fixed logo band + reserved title lines keep descriptions aligned.
 * Footer uses margin-top: auto (see .ref-grid a.ref-card .ref-link).
 */
@media (min-width: 841px) {
  .ref-grid > article,
  .ref-grid > a.ref-card {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .ref-grid .ref-card__client {
    min-height: calc(var(--card-align-meta-lines, 1) * 1lh);
  }

  .ref-grid h3 {
    min-height: calc(var(--card-align-title-lines, 2) * 1lh);
  }

  .ref-grid .ref-link {
    margin-top: auto;
  }
}

@media (max-width: 840px) {
  .ref-grid .ref-card__client,
  .ref-grid h3 {
    min-height: auto;
  }
}

/* =============================================================================
   CTA blok
   ============================================================================= */

#kontakt {
  padding: var(--space-9) 0;
}

#kontakt h2 {
  text-align: center;
  max-width: 38rem;
  margin-inline: auto;
}

#kontakt .cta-intro {
  max-width: 36rem;
  margin: var(--space-5) auto 0;
  text-align: center;
  color: var(--blue-800);
  font-size: 1.0625rem;
  line-height: var(--leading-relaxed);
}

#kontakt .container {
  position: relative;
  padding: var(--space-7) var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  box-shadow: var(--shadow-md);
  background:
    linear-gradient(165deg, var(--surface-1) 0%, rgba(238, 243, 248, 0.88) 100%) padding-box,
    var(--grad-brand-diag-soft) border-box;
  background-clip: padding-box, border-box;
}

#kontakt .container::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(14rem, 50%);
  height: 2px;
  border-radius: 0 0 var(--radius-xs) var(--radius-xs);
  background: linear-gradient(90deg, transparent, rgba(242, 140, 40, 0.55), transparent);
  opacity: 0.95;
  pointer-events: none;
}

/* =============================================================================
   Footer — tmavá autorita
   ============================================================================= */

.site-footer {
  position: relative;
  padding: var(--space-7) 0;
  border-top: none;
  background: linear-gradient(180deg, var(--blue-900) 0%, var(--navy-900) 55%, var(--navy-950) 100%);
  color: var(--blue-200);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--grad-brand-glowline);
  opacity: 0.4;
  pointer-events: none;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
}

.footer-inner strong {
  color: #fff;
  font-weight: 700;
}

.footer-inner a {
  color: var(--blue-200);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition:
    color var(--duration-base) var(--ease-soft),
    border-color var(--duration-base) var(--ease-soft);
}

.footer-inner a:hover {
  color: #fff;
  border-bottom-color: rgba(242, 140, 40, 0.72);
}

/* =============================================================================
   Responzivita
   ============================================================================= */

@media (max-width: 1024px) {
  .problem-grid,
  .service-grid,
  .ref-grid,
  .hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  /* 4-col → 2-col on tablet */
  .service-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/*
 * Homepage / multi-column service cards — 2+ columns from 561px
 * (--3/--4 stay 2-col until 560px). Uses shared title-line token.
 */
@media (min-width: 561px) {
  .service-grid--4 > .service-card > h3,
  .service-grid--3 > .service-card > h3 {
    min-height: calc(var(--card-align-title-lines, 2) * 1lh);
  }
}

@media (max-width: 560px) {
  .service-grid--4 > .service-card > h3,
  .service-grid--3 > .service-card > h3 {
    min-height: auto;
  }
}

@media (max-width: 840px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .service-grid,
  .problem-grid,
  .ref-grid,
  .hub-grid {
    grid-template-columns: 1fr;
  }

  /* 3-col and 4-col service grids step down to 2 cols at tablet, not 1 */
  .service-grid--3,
  .service-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /*
   * On single-column mobile, full-width cards read far better left-aligned
   * than centered. Move the icon to the left and align all text left.
   */
  .problem-grid article {
    text-align: left;
  }

  .problem-grid .icon {
    margin-left: 0;
    margin-right: auto;
  }

  /* Section intros: left-aligned multi-line copy reads better than centered */
  .process-header {
    text-align: left;
    max-width: none;
  }

  .process-step {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: var(--space-4);
  }

  .process-step__num {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }

  .process-rail::after {
    top: 2.5rem;
  }

  .process-step__card {
    padding: var(--space-4) var(--space-5);
  }
}

@media (max-width: 560px) {
  .service-grid--3,
  .service-grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  /* Mobile header: logo + hamburger only; CTA and desktop lang-switcher hidden */
  .header-actions {
    display: none;
  }

  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: var(--space-4);
    row-gap: 0;
    min-height: 3.75rem;
    padding-block: var(--space-3);
  }

  .logo {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    align-self: center;
  }

  .logo__wordmark {
    font-size: clamp(1.85rem, 4.9vw + 0.6rem, 2.45rem);
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .nav-toggle-bars {
    gap: 5px;
    width: 1.35rem;
  }

  .nav-toggle-bars span {
    height: 2px;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .main-nav {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
    flex-direction: column;
    align-items: stretch;
    align-self: stretch;
    gap: var(--space-2);
    width: 100%;
    margin: var(--space-4) 0 0;
    padding: var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
      linear-gradient(165deg, var(--surface-1) 0%, var(--blue-50) 100%);
    box-shadow: var(--shadow-md), var(--shadow-inset-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    position: relative;
    padding: 0.9375rem 1rem;
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--blue-950);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition:
      background-color var(--duration-base) var(--ease-soft),
      border-color var(--duration-base) var(--ease-soft),
      color var(--duration-base) var(--ease-soft);
  }

  .main-nav a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
    background: var(--accent);
    opacity: 0;
    transition:
      height var(--duration-base) var(--ease-out),
      opacity var(--duration-base) var(--ease-soft);
  }

  .main-nav a:hover,
  .main-nav a:focus-visible,
  .main-nav a[aria-current="page"] {
    background: var(--accent-surface);
    border-color: var(--accent-border-soft);
    color: var(--blue-950);
    outline: none;
  }

  .main-nav a:hover::before,
  .main-nav a:focus-visible::before,
  .main-nav a[aria-current="page"]::before {
    height: 60%;
    opacity: 1;
  }

  .main-nav a:active {
    background: rgba(242, 140, 40, 0.12);
  }

  .main-nav a::after {
    display: none;
  }

  .section {
    padding: var(--space-8) 0;
  }

  .hero {
    background-size: cover;
    background-position: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* =============================================================================
   Client logo strip (home #vysledky + /reference)
   One row, full color, continuous horizontal scroll (make.com-style)
   ============================================================================= */

.client-logo-strip {
  margin-top: var(--space-7, 2.5rem);
  padding-top: var(--space-5, 1.25rem);
  border-top: 1px solid color-mix(in srgb, var(--border, #d7dde8) 70%, transparent);
}

.client-logo-strip__viewport {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}

.client-logo-strip__track {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  width: max-content;
  animation: client-logo-strip-scroll 42s linear infinite;
  animation-play-state: paused;
}

.client-logo-strip.is-in-view .client-logo-strip__track {
  animation-play-state: running;
}

.client-logo-strip.is-in-view .client-logo-strip__track:hover {
  animation-play-state: paused;
}

.client-logo-strip__item {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  height: 4.25rem;
  max-width: 11rem;
}

.client-logo-strip__item img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 3.75rem;
  object-fit: contain;
  filter: none;
}

.client-logo-strip__item--on-dark {
  background: #111827;
  border-radius: 0.5rem;
  padding: 0.45rem 0.7rem;
  height: auto;
}

.client-logo-strip__item--on-dark img {
  max-height: 2.75rem;
}

@keyframes client-logo-strip-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .client-logo-strip__viewport {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .client-logo-strip__track {
    animation: none;
    padding-inline: var(--space-4, 1rem);
  }

  .client-logo-strip__track > li[aria-hidden="true"] {
    display: none;
  }
}