/* ============================================
   Euklio — Marketing Website Styles
   by Netajo s.r.o.
   ============================================ */

/* --- Self-hosted Inter font (no Google Fonts / no data transfer to Google) --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- CSS Custom Properties --- */
:root {
  --color-accent:        #18989C;
  --color-accent-hover:  #0D7A7D;
  --color-accent-light:  rgba(24, 152, 156, 0.12);
  --color-accent-border: rgba(24, 152, 156, 0.35);
  --color-dark:          #0F172A;
  --color-dark-2:        #1a2d3a;
  --color-surface:       #F9FAFB;
  --color-white:         #FFFFFF;
  --color-text:          #F8FAFC;
  --color-text-muted:    #94A3B8;
  --color-ink:           #1E293B;
  --color-ink-muted:     #64748B;
  --color-border-dark:   rgba(255, 255, 255, 0.1);
  --color-border-light:  #E2E8F0;
  --color-error:         #EF4444;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width:   1200px;
  --nav-height:  72px;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg:   0 10px 25px -3px rgba(0,0,0,0.12), 0 4px 6px -4px rgba(0,0,0,0.06);
  --transition:  0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section base --- */
.section { padding: 88px 0; }

.section--dark    { background: var(--color-dark);    color: var(--color-text); }
.section--white   { background: var(--color-white);   color: var(--color-ink); }
.section--surface { background: var(--color-surface); color: var(--color-ink); }
.section--teal    { background: var(--color-accent);  color: var(--color-white); }

.section__header { margin-bottom: 56px; }
.section__header--center { text-align: center; }

.section__title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section__title--light { color: var(--color-text); }

.section__subtitle {
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 640px;
}

.section__subtitle--muted { color: var(--color-text-muted); }
.section__subtitle--ink-muted { color: var(--color-ink-muted); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(24, 152, 156, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn--white {
  background: #fff;
  color: var(--color-accent);
}
.btn--white:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn--large {
  padding: 18px 36px;
  font-size: 1.125rem;
  border-radius: var(--radius);
}


/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-ink);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav__logo-img {
  width: 40px;
  height: 40px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav__link:hover,
.nav__link--active { color: var(--color-ink); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__lang {
  color: var(--color-ink-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav__lang:hover {
  color: var(--color-ink);
  border-color: var(--color-ink-muted);
}

.nav__cta {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  transition: all var(--transition);
  border-radius: 2px;
}
.nav__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ============================================
   HERO
   ============================================ */
.hero {
  padding-top: calc(var(--nav-height) + 88px);
  padding-bottom: 88px;
  background: var(--color-white);
  color: var(--color-ink);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(24, 152, 156, 0.04) 100%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-border);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 24px;
  letter-spacing: -1px;
  color: var(--color-ink);
}

.hero__title-accent { color: var(--color-accent); }

.hero__description {
  font-size: 1.1875rem;
  color: var(--color-ink-muted);
  margin-bottom: 40px;
  line-height: 1.75;
  max-width: 520px;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

.hero__stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  margin-top: 5px;
  line-height: 1.3;
}

.hero__stats-note {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  opacity: 0.6;
  font-style: italic;
}

/* --- Flow Diagram --- */
.flow-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  position: relative;
  z-index: 1;
}

.flow-diagram__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 130px;
}

.flow-diagram__col-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.flow-diagram__tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  white-space: nowrap;
  transition: all var(--transition);
}

.flow-diagram__tag--target {
  border-color: var(--color-accent-border);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* Bridge (center arrows + hub) */
.flow-diagram__bridge {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 0 8px;
  position: relative;
}

.flow-diagram__arrow-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  position: relative;
  height: 40px;
  justify-content: center;
}

.flow-diagram__arrow {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(24,152,156,0.25), transparent);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.flow-diagram__arrow::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -20px;
  width: 20px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 3px;
  animation: flowRight 2.4s linear infinite;
  box-shadow: 0 0 8px var(--color-accent);
}

.flow-diagram__arrow--back::after {
  animation: flowLeft 2.4s linear infinite;
}

@keyframes flowRight {
  0%   { left: -20px; }
  100% { left: 110%; }
}

@keyframes flowLeft {
  0%   { left: 110%; }
  100% { left: -20px; }
}

.flow-diagram__hub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px;
  background: var(--color-accent-light);
  border: 2px solid var(--color-accent-border);
  border-radius: var(--radius);
  position: relative;
  z-index: 2;
  min-width: 80px;
}

.flow-diagram__hub-img {
  width: 32px;
  height: 32px;
}

.flow-diagram__hub-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.5px;
}


/* ============================================
   HERO LOGO VISUAL
   ============================================ */
.hero-logo-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-visual__img {
  width: 320px;
  height: auto;
  opacity: 0.92;
}

/* ============================================
   TECH BAR
   ============================================ */
.tech-bar {
  background: var(--color-white);
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.tech-bar__header {
  margin-bottom: 40px;
}

.tech-bar__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-ink);
}

.tech-bar__subtitle {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  max-width: 560px;
}

.tech-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.tech-bar__group-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-ink-muted);
  margin-bottom: 10px;
}

.tech-bar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  display: inline-block;
  padding: 5px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink);
  transition: all var(--transition);
}

.tech-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.link-arrow {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition);
}
.link-arrow:hover { color: var(--color-accent-hover); }


/* ============================================
   PAIN SECTION
   ============================================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pain-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.pain-card__icon {
  width: 48px;
  height: 48px;
  background: #fef2f2;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pain-card__icon svg {
  width: 24px;
  height: 24px;
}

.pain-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.pain-card__text {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.65;
}


/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.solution__desc {
  font-size: 1.0625rem;
  color: var(--color-ink-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-ink);
}

.feature-list__check {
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.callout {
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 16px;
}

.callout--primary {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  color: var(--color-ink);
}

.callout--border {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  color: var(--color-ink-muted);
}

/* Hub diagram (solution section) */
.hub-diagram {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: visible;
  position: relative;
}

.hub-diagram__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.hub-node {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.3;
}

.hub-node span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.hub-node--machine {
  border-color: var(--color-accent-border);
  background: rgba(24, 152, 156, 0.04);
}

.hub-diagram__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Hub flow — horizontal animated lines */
.hub-flow-center {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: stretch;
  width: 120px;
  flex-shrink: 0;
  justify-content: space-around;
  overflow: visible;
}

.hub-flow-row {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
}

.hub-flow-line {
  width: 100%;
  height: 2px;
  background: rgba(24,152,156,0.18);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.hub-flow-line::after {
  content: '';
  position: absolute;
  top: 0;
  width: 35%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-accent) 50%, transparent);
  animation: sweepLTR 2.4s ease-in-out infinite;
}

.hub-flow-line--rtl::after {
  animation: sweepRTL 2.4s ease-in-out infinite;
  animation-delay: 1.2s;
}

.hub-flow-row:nth-child(2) .hub-flow-line--ltr::after { animation-delay: 0.8s; }
.hub-flow-row:nth-child(2) .hub-flow-line--rtl::after { animation-delay: 2.0s; }
.hub-flow-row:nth-child(3) .hub-flow-line--ltr::after { animation-delay: 1.6s; }
.hub-flow-row:nth-child(3) .hub-flow-line--rtl::after { animation-delay: 2.8s; }

@keyframes sweepLTR {
  0%   { left: -35%; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: 135%; opacity: 0; }
}

@keyframes sweepRTL {
  0%   { left: 135%; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: -35%; opacity: 0; }
}

.hub-flow-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.hub-flow-logo img {
  width: 147px;
  max-width: none;
  height: auto;
  display: block;
}


/* ============================================
   HUB-SPOKE DIAGRAM
   ============================================ */
.hub-spoke {
  position: relative;
  width: 520px;
  height: 420px;
  max-width: 100%;
  flex-shrink: 0;
}

.hub-spoke__svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.hub-spoke__center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--color-accent-light);
  border: 2px solid var(--color-accent-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.hub-spoke__center img {
  width: 48px;
  height: auto;
}

.hub-spoke__center span {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.5px;
}

.hub-spoke__node {
  position: absolute;
  left: var(--nx);
  top: var(--ny);
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}

.hub-spoke__node-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  margin: 0 auto 6px;
}

.hub-spoke__node-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.hub-spoke__node span {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
  white-space: nowrap;
  display: block;
}

/* ============================================
   BENEFITS
   ============================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.benefit-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-border);
}

.benefit-card__metric {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}

.benefit-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-ink);
}

.benefit-card__text {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.benefit-card__note {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 500;
}


/* ============================================
   CASE STUDIES CAROUSEL
   ============================================ */
.carousel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.carousel-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.carousel-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.carousel-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transition: all var(--transition);
  cursor: pointer;
}

.carousel-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

.case-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.case-card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.case-card__title {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 28px;
  color: var(--color-text);
}

.case-card__section {
  margin-bottom: 20px;
}

.case-card__section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.case-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.case-card__results {
  background: rgba(24, 152, 156, 0.1);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
}

.case-card__result-list {
  list-style: none;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-card__result-list li {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-card__result-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.case-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.spec-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--color-border-dark);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.case-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition);
}

.case-card__link:hover { gap: 10px; }


/* ============================================
   HOW IT WORKS — STEPS
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  display: none;
}

.step {
  position: relative;
  z-index: 1;
}

.step__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px var(--color-white), 0 0 0 7px var(--color-border-light);
}

.step__duration {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(24, 152, 156, 0.08);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--color-accent-border);
}

.step__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-ink);
}

.step__text {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.65;
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius);
  padding: 32px 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.cta-box__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-ink);
}

.cta-box__text {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
}


/* ============================================
   FAQ
   ============================================ */
.faq__list {
  max-width: 800px;
}

.faq__item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.faq__question:hover { color: var(--color-accent); }

.faq__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  transition: transform var(--transition);
}

.faq__item.active .faq__icon { transform: rotate(180deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq__answer-inner {
  padding-bottom: 22px;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.75;
}


/* ============================================
   CONTACT / FINAL CTA
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-headline {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.contact-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-persons {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.contact-person__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact-person__role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.contact-person__link {
  display: block;
  font-size: 0.875rem;
  color: var(--color-accent);
  transition: color var(--transition);
  margin-bottom: 2px;
}

.contact-person__link:hover { color: #5dcdd0; }

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form__required { color: var(--color-error); }

.form__input,
.form__textarea {
  padding: 13px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(148, 163, 184, 0.5);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(24, 152, 156, 0.18);
}

.form__input.error,
.form__textarea.error {
  border-color: var(--color-error);
}

.form__error {
  font-size: 0.8125rem;
  color: var(--color-error);
  display: none;
}

.form__error.visible { display: block; }

.form__textarea {
  resize: vertical;
  min-height: 110px;
}

.form__submit { width: 100%; margin-top: 4px; }

.form__footer-note {
  font-size: 0.8125rem;
  color: rgba(148, 163, 184, 0.6);
  text-align: center;
}

.form__success {
  display: none;
  text-align: center;
  padding: 40px 24px;
}

.form__success.visible { display: block; }

.form__success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: rgba(24, 152, 156, 0.15);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form__success-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.form__success-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form__success-desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}


/* ============================================
   PAGE HEADER (subpages)
   ============================================ */
.page-header {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 40px;
  background: var(--color-dark);
  color: var(--color-text);
}

.page-header__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.page-header__title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.page-header__desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
}


/* ============================================
   INTEGRACE PAGE — SPEC GRID
   ============================================ */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.spec-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.spec-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-ink-muted);
  margin-bottom: 20px;
}

.spec-protocol {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.spec-protocol:last-child { border-bottom: none; }

.spec-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
}

.spec-tag--accent {
  background: var(--color-accent-light);
  border-color: var(--color-accent-border);
  color: var(--color-accent);
}

.spec-protocol__desc {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

.spec-card__erp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.spec-card__note {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-top: 12px;
}

.spec-arch-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.spec-arch-item:last-child { border-bottom: none; }

.spec-arch-item__key {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-ink-muted);
}

.spec-arch-item__val {
  font-size: 0.9375rem;
  color: var(--color-ink);
}

/* HA Cluster detail */
.integrace-ha {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--color-ink);
}

.section-desc {
  font-size: 1rem;
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.integrace-ha__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.integrace-ha__list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.integrace-ha__bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 7px;
}

.integrace-ha__list strong {
  display: block;
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--color-ink);
}

.integrace-ha__list p {
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

.ha-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ha-server {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}

.ha-server__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ha-server__dot--green { background: #22c55e; }
.ha-server__dot--yellow { background: #eab308; }

.ha-server__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.ha-server__desc {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-left: auto;
}

.ha-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  gap: 8px;
}

.ha-connector::before,
.ha-connector::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-accent-border);
}


/* ============================================
   REFERENCE PAGE
   ============================================ */
.case-studies__grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.case-card--full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  padding: 40px;
}

.case-studies__note {
  text-align: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
}

.case-studies__note p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border-dark);
  padding: 48px 0 0;
  color: var(--color-text-muted);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer__logo-img { width: 40px; height: 40px; filter: brightness(0) invert(1); }

.footer__logo-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 6px;
}

.footer__brand-by {
  font-size: 0.8125rem;
  color: rgba(148, 163, 184, 0.5);
}

.footer__nav-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(148, 163, 184, 0.6);
  margin-bottom: 16px;
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-link {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__nav-link:hover { color: var(--color-text); }

.footer__contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.875rem;
}

.footer__contact-link {
  color: var(--color-accent);
  transition: color var(--transition);
}

.footer__contact-link:hover { color: #5dcdd0; }

.footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding: 20px 0;
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__bottom-inner p {
  font-size: 0.8125rem;
}

.footer__bottom-link {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__bottom-link:hover { color: var(--color-text); }

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-ink);
  color: #fff;
  z-index: 9999;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: 0 -2px 16px rgba(0,0,0,0.15);
}
.cookie-banner__text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  flex: 1;
  min-width: 200px;
}
.cookie-banner__text a {
  color: var(--color-accent);
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.cookie-banner__btn {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
}
.cookie-banner__btn--accept {
  background: var(--color-accent);
  color: #fff;
}
.cookie-banner__btn--decline {
  background: transparent;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.2);
}
.cookie-banner.hidden { display: none; }

/* ============================================
   RESPONSIVE — 1024px
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .flow-diagram { max-width: 560px; margin: 0 auto; }
  .solution-grid { grid-template-columns: 1fr; gap: 40px; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .integrace-ha { grid-template-columns: 1fr; }
  .tech-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   RESPONSIVE — 768px
   ============================================ */
@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .section__title { font-size: 1.75rem; }

  /* Nav */
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0; bottom: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-border-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 999;
  }
  .nav__links.active { display: flex; }
  .nav__link { font-size: 1.25rem; }
  .nav__hamburger { display: flex; }
  .nav__cta-desktop { display: none; }

  /* Hero */
  .hero { padding-top: calc(var(--nav-height) + 48px); padding-bottom: 64px; }
  .hero__title { font-size: 2.125rem; }
  .hero__description { font-size: 1.0625rem; }
  .hero__buttons { flex-direction: column; }
  .hero__stats { gap: 20px; }
  .hero__stat-value { font-size: 1.5rem; }

  /* Flow diagram mobile */
  .flow-diagram {
    flex-direction: column;
    gap: 16px;
    max-width: 320px;
  }
  .flow-diagram__bridge {
    flex-direction: row;
    justify-content: center;
    width: 100%;
  }
  .flow-diagram__arrow-group { height: 24px; }
  .flow-diagram__col { flex-direction: row; flex-wrap: wrap; justify-content: center; }

  /* Sections */
  .pain-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .case-card { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .case-card--full { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .steps-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .tech-bar__grid { grid-template-columns: 1fr 1fr; }

  /* Form */
  .form__row { grid-template-columns: 1fr; }

  /* Contact */
  .contact-headline { font-size: 1.625rem; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; gap: 12px; text-align: center; }

  /* Page header */
  .page-header__title { font-size: 2rem; }

  /* CTA box */
  .cta-box { flex-direction: column; padding: 28px; }
}

/* ============================================
   RESPONSIVE — 480px
   ============================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__title { font-size: 1.75rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .tech-bar__grid { grid-template-columns: 1fr; }
  .contact-persons { flex-direction: column; gap: 20px; }
  .carousel-header { flex-direction: column; gap: 16px; }
}